A pressure vessel welding platform and method

Abstract

The present application belongs to the technical field of high-altitude welding operation, and particularly relates to a pressure vessel welding platform and method. The pressure vessel welding platform comprises a supporting mechanism, a platform plate horizontally fixed on the upper surface of the supporting mechanism, and two sets of magnetic force adsorption mechanisms respectively arranged on opposite corners of the supporting mechanism and used for adsorbing and fixing the pressure vessel to be welded. By arranging the two sets of magnetic force adsorption mechanisms, the present application can be stably placed on cylinder bodies with different diameters within a certain range, so that the present application has universality, the application range is expanded, and the use cost is reduced. By adjusting the magnetic force adsorption mechanisms, the magnets in the magnetic force adsorption mechanisms can be reliably adsorbed on cylinder bodies with different diameters, so that the present application can be fixed on cylinder bodies with different diameters and does not slide. The arrangement of the platform protection mechanism in the present application effectively prevents the falling of the construction personnel and ensures the construction safety of the personnel.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of high-altitude welding operation, and particularly relates to a pressure vessel welding platform and method. BACKGROUND

[0002] At present, when high-altitude welding operation of a pressure vessel is performed, a ladder or a scaffold is usually used for protection.

[0003] When a ladder is used, the labor intensity of a worker will increase due to the limited position during welding or cutting, and the worker is prone to high-altitude falling due to the instability of the ladder; when a scaffold is used, the operation is time-consuming, laborious, and costly, and the scaffold is not easy to move, and needs to be frequently built and removed, which may affect the construction progress. SUMMARY

[0004] The present application provides a pressure vessel welding platform and method, and aims to provide a welding platform which is safe and stable in structure, convenient to use, can improve the safety guarantee of a worker, and has universality.

[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0006] A pressure vessel welding platform comprises

[0007] a support mechanism;

[0008] a platform plate, which is horizontally fixed on the upper surface of the support mechanism;

[0009] a magnetic adsorption mechanism, which is provided in two sets and is arranged on opposite corners of the support mechanism, and is used for adsorbing and fixing a pressure vessel to be welded.

[0010] Further comprising a platform protection mechanism, which is vertically fixed around the support mechanism.

[0011] The platform protection mechanism comprises a fence, a foot guard, and four lifting lugs; the fence is vertically arranged around the support mechanism; the fence is provided with a movable door; the foot guard is vertically connected at the joint of the fence and the support mechanism; and the four lifting lugs are arranged on the four symmetrical corners of the support mechanism.

[0012] The support mechanism comprises two sets of platform frames, a plurality of inclined supports, two lower crossbeams, two support plates, a plurality of rib plates, two arc plates, two shaft sleeves, and two horizontal baffles; the two arc plates are arranged in parallel and the bending arcs of the two arc plates are both upward; the two lower crossbeams are arranged in parallel and the two ends of each lower crossbeam are fixedly connected with the lower ends of the two arc plates respectively; the two sets of platform frames are horizontally and symmetrically arranged on the two sides of the two arc plates and the two ends of each platform frame on one side are fixedly connected with the two arc plates respectively; the upper ends of the plurality of inclined supports are evenly distributed along the outer sides of the platform frames and the lower ends are fixedly connected with the lower crossbeams; the two support plates are fixedly connected on the inner sides of the two platform frames respectively and each support plate is arranged at an inclined angle of 110-130° with the lower surface of the connected platform frame; the plurality of rib plates are evenly fixed at the junctions of each platform frame and support plate and are located on the lower surface of the support plate; the two shaft sleeves are fixedly connected at the inner side end of the junction of the two platform frames and the support plate and are diagonally arranged; the two horizontal baffles are used for limiting the rotation of the magnetic adsorption mechanism and are fixed on the outer side wall of the arc plate above the end of each shaft sleeve.

[0013] The platform frame is an integrated structure comprising a rectangular frame made of profile steel and at least two support crossbeams evenly arranged inside the rectangular frame; the inclined support is made of profile steel; the support plate is made of a strip-shaped steel plate; the rib plate is made of a steel plate; the arc plate is made of an arc-shaped steel plate; the shaft sleeve is made of a circular steel tube; and the horizontal baffle is made of a rectangular steel plate.

[0014] The magnetic adsorption mechanism comprises a rotating shaft, a vertical baffle, a connecting part, a positioning sleeve, a connecting rod, a magnetic fixing nut, and a magnet with a magnetic operating rod; one end of the rotating shaft is rotatably connected to the support mechanism, the other end of the rotating shaft is connected to one end of the connecting part, the other end of the connecting part is fixedly connected to one end of the connecting rod, the other end of the connecting rod penetrates through the magnet with the magnetic operating rod vertically and is fixed by the magnetic fixing nut; the vertical baffle is used for limiting the rotation of the rotating shaft and is vertically connected to the middle part of the rotating shaft at one end, and the vertical baffle and the connecting part are arranged on the two sides of the rotating shaft respectively; the positioning sleeve is sleeved on the connecting rod and is located between the connecting part and the magnet with the magnetic operating rod.

[0015] The connecting part comprises a rotating arm, a support baffle, two pairs of wing plates, bolts, and nuts; one end of the rotating arm is fixedly connected to the other end of the rotating shaft; the two pairs of wing plates are movably connected to the other end of the rotating arm by the bolts and the nuts; the support baffle is fixedly connected to the rotating arm and is located below the two pairs of wing plates and is used for limiting the rotation of the wing plates.

[0016] The rotating arm is a right angle component made of steel plate, with a circular through hole at each end, one end is fixedly connected with the rotating shaft, and the other end is rotatably connected with the two pairs of wing plates.

[0017] The rotating shaft is made of a circular steel pipe, one end of which is provided with a circular through hole, and the other end is fixedly connected with the rotating arm in the connecting part through the shaft sleeve provided on the supporting mechanism.

[0018] The connecting rod is a circular steel rod provided with threads at one end, and the other end without threads is fixedly connected with the two pairs of wing plates in the connecting part to form an integral body, and the end provided with threads penetrates the magnet with a magnetic operating rod and is fixed.

[0019] The vertical baffle is made of steel plate; the supporting baffle is made of rectangular steel plate; and the positioning sleeve is made of circular steel pipe.

[0020] A method for using a pressure vessel welding platform, comprising the following steps,

[0021] Step 1: Place the pressure vessel welding platform on the pressure vessel to be welded, and keep the platform plate horizontal;

[0022] Step 2: Adjust the magnetic adsorption mechanism, so that the magnet with a magnetic operating rod in the magnetic adsorption mechanism is in complete contact with the pressure vessel to be welded, and move and lock the magnetic operating rod on the magnet with a magnetic operating rod, so that it is magnetically adsorbed and fixed to the pressure vessel to be welded;

[0023] Step 3: Perform welding operation on the platform plate, after the welding operation is completed, the magnet with a magnetic operating rod in the magnetic adsorption mechanism is released from the magnetic adsorption of the pressure vessel to be welded, and the pressure vessel welding platform is removed from the pressure vessel to be welded.

[0024] Beneficial effects:

[0025] (1) The adjustable magnetic adsorption mechanism is provided, so that the magnet with a magnetic operating rod can be reliably adsorbed on various diameter cylinders, ensuring that the present application is fixed firmly on different diameter cylinders, and solving the safety of the present application.

[0026] (2) The supporting mechanism is provided, so that the platform plate and the cylinder have a certain gap, which can make the present application stably placed on different cylinders within a certain range, so that the present application has universality, expands its application range, and reduces the cost.

[0027] (3) In the present application, since the platform plate is provided, the operator can perform welding operation on the platform plate, effectively reducing the labor intensity of the operator and improving the safety protection of the operator.

[0028] (4) The platform protection mechanism of the present application is provided with a fence and a foot guard, which effectively prevent the falling of the construction personnel and improve the safety.

[0029] (5) The magnetic attraction mechanism of the present application is provided with a magnet, which enables the platform to be fixed on the cylinder to be welded by magnetic attraction, so as to ensure that the operation platform does not shake and the safety of the construction personnel is ensured.

[0030] (6) The magnetic attraction mechanism of the present application is provided with vertical and horizontal support baffles, which, in cooperation with the horizontal baffles and wing plates, enable the pressure vessel welding platform to be well positioned when it is idle.

[0031] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application and to implement the content of the description, the following will describe the preferred embodiments of the present application in detail. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical scheme of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0033] Figure 1 is a structural schematic diagram of the operation platform of the present application;

[0034] Figure 2 is a schematic diagram of the state of each component of the operation platform of the present application in use;

[0035] Figure 3 is a schematic diagram of the support mechanism of the present application;

[0036] Figure 4 is a schematic diagram of the magnetic attraction mechanism of the present application.

[0037] In the figure: 1-platform protection mechanism; 2-support mechanism; 3-magnetic attraction mechanism; 4-platform plate; 5-fence; 6-foot guard; 7-lifting lug; 8-platform frame; 9-inclined support; 10-lower crossbeam; 11-support plate; 12-rib plate; 13-arc plate; 14-axle sleeve; 15-horizontal baffle; 16-rotation shaft; 17-vertical baffle; 18-rotation arm; 19-support baffle; 20-wing plate; 21-bolt; 22-nut; 23-positioning sleeve; 24-connecting rod; 25-magnetic fixing nut; 26-magnet with magnetic operating rod.

[0038] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following will be described in detail through the preferred embodiment of the present application. DETAILED DESCRIPTION

[0039] The technical scheme of the present application will be described clearly and completely in combination with the embodiments below. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0040] Embodiment one:

[0041] Referring to Figures 1-4 The pressure vessel welding platform shown in the figure comprises

[0042] A support mechanism 2;

[0043] A platform plate 4 is horizontally fixed on the upper surface of the support mechanism 2;

[0044] Two sets of magnetic adsorption mechanisms 3 are arranged on opposite corners of the support mechanism 2, which are used for adsorbing and fixing the pressure vessel to be welded.

[0045] In specific application, the pressure vessel welding platform is placed on the pressure vessel to be welded, so that the pressure vessel welding platform is horizontally placed on the pressure vessel to be welded through the support mechanism 2, and the platform plate 4 is kept horizontal. Then the magnetic adsorption mechanism 3 is adjusted to adsorb and fix the pressure vessel to be welded. Then the operator can perform welding operation on the platform plate 4. After the welding operation is completed, the operator removes the platform plate 4, adjusts the magnetic adsorption mechanism 3 to release the magnetism, so as to release the magnetic adsorption of the magnetic adsorption mechanism 3 on the pressure vessel to be welded. Then, the pressure vessel welding platform is removed from the pressure vessel to be welded.

[0046] In the present application, the support mechanism 2 is arranged to have a certain gap with the platform plate 4 and the cylinder, so that the pressure vessel welding platform of the present application can be stably placed on cylinders with different diameters within a certain range, and the pressure vessel welding platform of the present application has universality, expands its application range, and saves cost.

[0047] The magnetic adsorption mechanism 3 of the present application is adsorbed on cylinders with different diameters by magnetic force, which ensures the firm fixation of the pressure vessel welding platform of the present application on cylinders with different diameters, and ensures the safety of its use.

[0048] Embodiment two:

[0049] Referring to Figure 1 and Figure 2 A pressure vessel welding platform as shown in Figure 1, based on the first embodiment, further comprises a platform protection mechanism 1; the platform protection mechanism 1 is vertically fixed around the support mechanism 2.

[0050] Further, the platform protection mechanism comprises a fence 5, a toe guard 6 and four lifting lugs 7; the fence 5 is vertically arranged around the support mechanism 2; the fence 5 is provided with a movable door; the toe guard 6 is vertically connected at the junction of the fence 5 and the support mechanism 2; the four lifting lugs 7 are respectively arranged on the four symmetrical corners of the support mechanism 2.

[0051] In specific application, the arrangement of the fence 5 makes it difficult for the operator to fall. The arrangement of the movable door makes it convenient for the operator to enter and exit the fence 5, and the number and position of the movable door can also be set according to the actual situation. The lifting lugs 7 are used for convenient and safe movement when installing and dismounting the pressure vessel welding platform. The arrangement of the toe guard 6 can prevent the operator from slipping and falling from the gap of the fence 5 when falling accidentally, so that the safety factor of the pressure vessel welding platform is higher.

[0052] In this embodiment, the fence 5 is provided with handrails, waist supports, uprights and pivots, which are all made of steel pipes, so that the pressure vessel welding platform not only ensures its protection function, but also ensures the light structure of the pressure vessel welding platform.

[0053] The movable door in this embodiment is provided with two, which are respectively arranged on the front and rear sides of the platform plate 4, so as to facilitate the up and down of the operator and the welding operation.

[0054] Embodiment three:

[0055] Referring to Figure 1 , Figure 2 and Figure 3The pressure vessel welding platform shown in the embodiment is based on the support mechanism 2, which comprises two sets of platform frames 8, a plurality of inclined supports 9, two lower cross beams 10, two support plates 11, a plurality of rib plates 12, two arc plates 13, two shaft sleeves 14, and two horizontal baffles 15. The two arc plates 13 are arranged in parallel, and the bending arcs of the two arc plates 13 are both upward. The two lower cross beams 10 are arranged in parallel, and the two ends of each lower cross beam 10 are fixedly connected with the lower ends of the two arc plates 13, respectively. The two sets of platform frames 8 are horizontally and symmetrically arranged on the two sides of the two arc plates 13, and the two ends of each set of platform frame 8 on one side are fixedly connected with the two arc plates 13, respectively. The upper ends of the plurality of inclined supports 9 are evenly distributed along the outer sides of the platform frames 8, and the lower ends are fixedly connected with the lower cross beams 10. The two support plates 11 are fixedly connected on the inner sides of the two platform frames 8, respectively, and each support plate 11 is arranged at an inclined angle of 110-130° with the lower surface of the connected platform frame 8. The plurality of rib plates 12 are fixedly arranged at the junctions of each platform frame 8 and support plate 11, and are located on the lower surface of the support plate 11. The two shaft sleeves 14 are fixedly connected on the inner side end heads of the junctions of the two platform frames 8 and support plates 11, and are diagonally arranged. The two horizontal baffles 15 are used for limiting the rotation of the magnetic attraction mechanism 3, and are fixedly arranged on the outer side walls of the arc plates 13 above the ends of each shaft sleeve 14.

[0056] Further, the platform frame 8 is an integrated structure comprising a rectangular frame made of profile steel and at least two support cross beams, and the support cross beams are evenly arranged inside the rectangular frame. The inclined support 9 is made of profile steel. The support plate 11 is made of a strip-shaped steel plate. The rib plate 12 is made of a steel plate. The arc plate 13 is made of an arc-shaped steel plate. The shaft sleeve 14 is made of a circular steel tube. The horizontal baffle 15 is made of a rectangular steel plate.

[0057] In specific application, the two sets of platform frames 8 are horizontally arranged symmetrically left and right, the two arc plates 13 are arranged in parallel at the front and rear ends of the two sets of platform frames 8, and the platform frames 8, lower cross beams 10, and support plates 11 on the left and right sides are connected into a whole. When the pressure vessel welding platform is placed on the pressure vessel to be welded, the pressure vessel welding platform can be horizontally placed on the pressure vessel to be welded through the support mechanism 2, so that the welding operator can conveniently perform the welding operation on the required part of the pressure vessel to be welded.

[0058] The support mechanism 2 plays the role of supporting the platform plate 4 and the platform protection mechanism, and also plays the role of fixing the magnetic attraction mechanism 3.

[0059] In this embodiment, the support plate 11 forms an angle of 110°-130° with the lower surface of the platform frame 8, which makes the support plate 11 basically perpendicular to the surface of the pressure vessel to be welded. This is beneficial to improving the pressure condition of the pressure vessel to be welded on the pressure vessel welding platform of the present invention, and can effectively avoid damage to the surface of the pressure vessel to be welded by the support plate 11. At the same time, it is also beneficial to clean up the debris at the contact surface between the support plate 11 and the pressure vessel to be welded.

[0060] In this embodiment, the diagonal support 9 is made of structural steel and can safely support the platform frame 8 and platform plate 4. The diagonal support 9 is arranged at a 45° angle to the platform frame 8, which can effectively increase the usable area of ​​the pressure vessel welding platform of the present invention, while reducing the weight of the pressure vessel welding platform to a certain extent and saving manufacturing costs.

[0061] Multiple steel plate stiffeners 12 are provided to enhance the connection strength between the support plate 11 and the platform frame 8.

[0062] Example 4:

[0063] Reference Figure 1 , Figure 2 and Figure 4 The pressure vessel welding platform shown, based on Embodiment 1, includes a magnetic adsorption mechanism 3 comprising a rotating shaft 16, a vertical baffle 17, a connecting part, a positioning sleeve 23, a connecting rod 24, a magnetic fixing nut 25, and a magnet 26 with a magnetic operating lever. One end of the rotating shaft 16 is rotatably connected to the support mechanism 2, and the other end of the rotating shaft 16 is connected to one end of the connecting part. The other end of the connecting part is fixedly connected to one end of the connecting rod 24, and the other end of the connecting rod 24 passes vertically through the magnet 26 with the magnetic operating lever and is fixed by the magnetic fixing nut 25. The vertical baffle 17 is used to limit the rotation of the rotating shaft 16, and one end of it is vertically connected to the middle of the rotating shaft 16. The vertical baffle 17 and the connecting part are respectively placed on both sides of the rotating shaft 16. The positioning sleeve 23 is sleeved on the connecting rod 24 and is located between the connecting part and the magnet 26 with the magnetic operating lever.

[0064] Furthermore, the rotating shaft 16 is made of a circular steel tube, with a circular through hole at one end and a cotter pin inside the circular through hole, and its other end is fixedly connected to the rotating arm 18 in the connecting part through a bushing 14 provided on the support mechanism 2.

[0065] Furthermore, the connecting part includes a rotating arm 18, a support baffle 19, two wing plates 20, bolts 21, and nuts 22; one end of the rotating arm 18 is fixed to the other end of the rotating shaft 16; the two wing plates 20 are movably connected to the other end of the rotating arm 18 by bolts 21 and nuts 22; the support baffle 19 is fixedly connected to the rotating arm 18 and located below the two wing plates 20, and is used to limit the rotation of the wing plates 20.

[0066] Further, the rotating arm 18 is a right-angle shaped member made of steel plate with a circular through hole at each end, one end of which is fixedly connected with the rotating shaft 16, and the other end of which is rotatably connected with the two pairs of wing plates 20.

[0067] Further, the connecting rod 24 is a circular steel rod with a thread at one end, the other end of which is fixedly connected with the two pairs of wing plates 20 in the connecting part as a whole, and the end with the thread penetrates through the magnet 26 with a magnetic operating rod and is fixed.

[0068] In actual use, the end of the rotating shaft 16 with the circular through hole penetrates into the magnetic attraction mechanism sleeve shaft 14 arranged diagonally, and can rotate flexibly, and the other end extends to the outside of the supporting mechanism 2 and is fixedly connected with one end of the rotating arm 18; the other end of the rotating arm 18 is connected with the magnet 26 with a magnetic operating rod through the two pairs of wing plates 20 and the connecting rod 24, so that the magnet 26 with a magnetic operating rod can rotate flexibly, thereby reliably attracting the magnet 26 with a magnetic operating rod on the cylinder with various diameters, ensuring that the pressure vessel welding platform of the present application is firmly attracted on the cylinder with various diameters, ensuring the use safety of the pressure vessel welding platform, and at the same time expanding its application range and saving cost.

[0069] When the pressure vessel welding platform is placed on the pressure vessel to be welded, the magnetic attraction mechanism 3 is centrally and symmetrically arranged on the opposite corners of the pressure vessel welding platform, ensuring that the pressure vessel welding platform can be firmly fixed on the cylinder with various diameters, and further ensuring the use safety of the pressure vessel welding platform of the present application.

[0070] The split pin arranged in the circular through hole at one end of the rotating shaft 16 in the embodiment is used to prevent the rotating shaft 16 from moving along the axial direction.

[0071] The magnetic attraction mechanism 3 in the embodiment is arranged in two sets, and is fixedly connected with the supporting mechanism 2 through the sleeve shaft 14, and uses the magnet 26 with a magnetic operating rod to fix the pressure vessel welding platform on the cylinder to be welded by magnetic force, ensuring that the pressure vessel welding platform of the present application does not shake, and ensuring the safety of the operator.

[0072] The connecting part is composed of the rotating arm 18, the supporting baffle 19, the two pairs of wing plates 20, the bolts 21 and the nuts 22, and has a simple structure.

[0073] The magnet 26 with the magnetic joystick in the embodiment adopts the prior art, which at least comprises a shell, a magnetic joystick and a magnetic core, the magnetic core is arranged in the shell, one end of the magnetic joystick is connected with the magnetic core, and the other end of the magnetic joystick extends out of the shell; the lower surface of the shell is arc-shaped. When the magnet 26 with the magnetic joystick is adsorbed on the pressure vessel to be welded, the arc-shaped lower surface of the shell is in close contact with the pressure vessel.

[0074] In specific application, the threaded end of the connecting rod 24 is fixed through the magnet 26 with the magnetic joystick and the magnetic fixing nut 25.

[0075] The positioning sleeve 23 is used for positioning the magnet 26 with the magnetic joystick.

[0076] Embodiment five:

[0077] Referring to Figure 4 The vertical baffle 17 is made of a steel plate, the supporting baffle 19 is made of a rectangular steel plate, and the positioning sleeve 23 is made of a circular steel tube.

[0078] In specific application, the vertical baffle 17 is made of a steel plate with a circular hole at one end, is fixed at the middle of the rotating shaft 16 and is located directly below the horizontal baffle 15, cooperates with the horizontal baffle 15 and is used for limiting the rotation of the rotating shaft 16.

[0079] The supporting baffle 19 is made of a rectangular steel plate, is connected with the rotating arm 18 and is integrated, effectively meets the strength requirement of limiting the rotation of the wing plate 20.

[0080] Embodiment six:

[0081] Referring to Figures 1-4The pressure vessel welding platform shown in the embodiment one further comprises a platform protection mechanism 1; the platform protection mechanism 1 is vertically fixed around the support mechanism 2; the platform protection mechanism 1 comprises a fence 5, a toe guard 6 and four lifting lugs 7; the fence 5 is vertically arranged around the support mechanism 2; the fence 5 is provided with a movable door; the toe guard 6 is vertically connected at the joint of the fence 5 and the support mechanism 2; the four lifting lugs 7 are respectively arranged on the four symmetrical corners of the support mechanism 2; the support mechanism 2 comprises two sets of platform frames 8, a plurality of inclined supports 9, two lower cross beams 10, two support plates 11, a plurality of rib plates 12, two arc plates 13, two shaft sleeves 14 and two horizontal baffles 15; the two arc plates 13 are arranged in parallel and the bending arcs of the two arc plates 13 are both upward; the two lower cross beams 10 are arranged in parallel and the two ends of each lower cross beam 10 are respectively fixedly connected with the lower ends of the two arc plates 13; the two sets of platform frames 8 are horizontally and symmetrically arranged on the two sides of the two arc plates 13 and the two ends of each set of platform frame 8 are respectively fixedly connected with the two arc plates 13; the upper ends of the plurality of inclined supports 9 are evenly distributed along the outer side edges of the platform frames 8 and the lower ends are fixedly connected with the lower cross beams 10; the two support plates 11 are respectively fixedly connected on the inner sides of the two platform frames 8 and the lower surfaces of each support plate 11 and the connected platform frame 8 are arranged at an inclined angle of 110-130°; the plurality of rib plates 12 are evenly fixed at the joint of each platform frame 8 and the support plate 11 and are located on the lower surface of the support plate 11; the two shaft sleeves 14 are respectively fixedly connected on the inner side ends of the joint of the two platform frames 8 and the support plate 11 and are diagonally arranged; the two horizontal baffles 15 are both used for limiting the rotation of the magnetic adsorption mechanism 3 and are respectively fixed on the outer side walls of the arc plates 13 above the ends of each shaft sleeve 14; the platform frame 8 adopts an integrated structure comprising a rectangular frame made of profile steel and at least two support cross beams supporting the rectangular frame, and the support cross beams are evenly distributed inside the rectangular frame; the inclined support 9 is made of profile steel; the support plate 11 is made of a strip-shaped steel plate; the rib plate 12 is made of a steel plate; the arc plate 13 is made of an arc-shaped steel plate; the shaft sleeve 14 is made of a circular steel tube; the horizontal baffle 15 is made of a rectangular steel plate; the magnetic adsorption mechanism 3 comprises a rotating shaft 16, a vertical baffle 17, a connecting part, a positioning sleeve 23, a connecting rod 24, a magnetic fixing nut 25 and a magnet with a magnetic operating rod 26; one end of the rotating shaft 16 is rotatably connected to the support mechanism 2, the other end of the rotating shaft 16 is connected to one end of the connecting part, the other end of the connecting part is fixedly connected to one end of the connecting rod 24, the other end of the connecting rod 24 penetrates through the magnet with the magnetic operating rod 26 vertically and is fixed through the magnetic fixing nut 25; the vertical baffle 17 is used for limiting the rotation of the rotating shaft 16 and one end thereof is vertically connected to the middle part of the rotating shaft 16, and the vertical baffle 17 and the connecting part are respectively arranged on the two sides of the rotating shaft 16;The positioning sleeve 23 is sleeved on the connecting rod 24 and is located between the connecting part and the magnet 26 with the magnetic operating rod; the connecting part comprises the rotating arm 18, the supporting baffle 19, the two pairs of wing plates 20, the bolt 21 and the nut 22; one end of the rotating arm 18 is fixed with the other end of the rotating shaft 16; the two pairs of wing plates 20 are movably connected with the other end of the rotating arm 18 through the bolt 21 and the nut 22; the supporting baffle 19 is fixedly connected with the rotating arm 18 and is located below the two pairs of wing plates 20, and is used for limiting the rotation of the wing plates 20; the rotating arm 18 is a right-angle component made of a steel plate and having a circular through hole at each end, one end of which is fixedly connected with the rotating shaft 16, and the other end of which is movably connected with the two pairs of wing plates 20; the rotating shaft 16 is made of a circular steel pipe, one end of which is provided with a circular through hole in which a split pin is arranged, and the other end of which is fixedly connected with the rotating arm 18 in the connecting part through the shaft sleeve 14 arranged on the supporting mechanism 2; the connecting rod 24 is a circular steel rod provided with a thread at one end, and the other end without the thread is fixedly connected with the two pairs of wing plates 20 in the connecting part to form an integral body, and the end provided with the thread penetrates through the magnet 26 with the magnetic operating rod and is fixed; the vertical baffle 17 is made of a steel plate; the supporting baffle 19 is made of a rectangular steel plate; and the positioning sleeve 23 is made of a circular steel pipe.

[0082] In actual use, first, the pressure container welding platform is placed on the pressure container to be welded, so that the platform plate 4 is kept horizontal; then the magnet 26 with the magnetic operating rod on the magnetic adsorption mechanism 3 is adjusted, the magnet 26 with the magnetic operating rod is in full contact with the pressure container to be welded, the magnetic operating rod on the magnet 26 with the magnetic operating rod is moved and locked, so that the magnetic adsorption of the magnet 26 with the magnetic operating rod on the pressure container to be welded is fixed, and then the operator performs welding operation on the platform plate 4. When the welding operation is completed, the operator removes the platform plate 4, moves the magnetic operating rod on the magnet 26 with the magnetic operating rod to release the magnetic adsorption of the magnet 26 with the magnetic operating rod on the pressure container to be welded, and then the pressure container welding platform is removed from the pressure container to be welded.

[0083] The application can reliably adsorb the magnet with the magnetic operating rod on the cylinder with various diameters, ensures the fixing of the application on the cylinder with different diameters, and solves the safety of the application. The support mechanism is arranged, the platform plate has a certain gap with the cylinder, the application can be steadily placed on different cylinders within a certain range, the application has universality, the application range is expanded, and the cost is reduced. In the application, the platform plate is arranged, the operator can perform welding operation on the platform plate, the labor intensity of the operator is effectively reduced, and the safety of the operator is improved. The fence and the foot guard are arranged in the platform protection mechanism, the falling of the construction personnel is effectively prevented, and the safety is improved. The magnet is arranged in the magnetic adsorption mechanism, the platform can be fixed on the cylinder to be welded by magnetic adsorption, the shaking of the operation platform is avoided, and the safety of the construction personnel is ensured. The vertical baffle and the horizontal support baffle are arranged in the magnetic adsorption mechanism, the horizontal baffle and the wing plate are cooperated, and the magnetic adsorption mechanism is well positioned when the pressure container welding platform is idle.

[0084] Example seven:

[0085] A use method of the pressure container welding platform, comprising the following steps,

[0086] Step one: placing the pressure container welding platform on the pressure container to be welded, so that the platform plate 4 is kept horizontal;

[0087] Step two: adjusting the magnetic adsorption mechanism 3, so that the magnetic adsorption mechanism 3 is in complete contact with the pressure container to be welded and the magnetic adsorption mechanism 3 is magnetically adsorbed and fixed on the pressure container to be welded;

[0088] Step three: the operator performs welding operation on the platform plate 4, after the welding operation is completed, the operator removes the platform plate 4, adjusts the magnetic adsorption mechanism 3, releases the magnetic adsorption of the magnetic adsorption mechanism 3 on the pressure container to be welded, and removes the pressure container welding platform from the pressure container to be welded.

[0089] The application of the technical scheme of the application is convenient, safe, and has a wide application range, and greatly saves the cost.

[0090] The above description is only a preferred embodiment of the application, and is not used to limit the application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the application should be included in the protection scope of the application.

[0091] In the case of no conflict, the skilled in the art can combine the related technical features in the above examples according to the actual situation to achieve the corresponding technical effect, and the specific combinations are not described here.

[0092] It should be noted that all directional directions (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, motion condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional directions will also change accordingly.

[0093] The above is only the preferred embodiment of the present application, and the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still falls within the scope of the technical scheme of the present application.

Claims

1. A pressure vessel welding platform characterized by: Comprising supporting mechanism (2); platform plate (4) is horizontally fixed on the upper surface of the supporting mechanism (2); magnetic force adsorption mechanism (3) is provided with two sets, and the two sets of magnetic force adsorption mechanism (3) are arranged on the opposite corners of the supporting mechanism (2) and are used for adsorbing and fixing the pressure vessel to be welded; The supporting mechanism (2) comprises two sets of platform frames (8), a plurality of inclined supports (9), two lower cross beams (10), two support plates (11), a plurality of rib plates (12), two arc plates (13), two shaft sleeves (14) and two horizontal baffle plates (15); the two arc plates (13) are arranged in parallel, and the bending arcs of the two arc plates (13) are both upward; the two lower cross beams (10) are arranged in parallel, and the two ends of each lower cross beam (10) are fixedly connected with the lower ends of the two arc plates (13) respectively; the two sets of platform frames (8) are horizontally and symmetrically arranged on the two sides of the two arc plates (13), and the two ends of each platform frame (8) on one side are fixedly connected with the two arc plates (13) respectively; the upper ends of the plurality of inclined supports (9) are uniformly distributed along the outer sides of the platform frames (8), and the lower ends are fixedly connected with the lower cross beams (10); the two support plates (11) are fixedly connected on the inner sides of the two platform frames (8) respectively, and each support plate (11) is arranged at an inclined angle of 110-130° with the lower surface of the connected platform frame (8); the plurality of rib plates (12) are uniformly fixed at the junctions of each platform frame (8) and support plate (11), and are located on the lower surface of the support plate (11); the two shaft sleeves (14) are fixedly connected on the inner side end heads of the junctions of the two platform frames (8) and support plates (11) respectively and are arranged diagonally; the two horizontal baffle plates (15) are used for limiting the rotation of the magnetic force adsorption mechanism (3) and are fixed on the outer side walls of the arc plates (13) above the ends where each shaft sleeve (14) is located; The magnetic force adsorption mechanism (3) comprises a rotating shaft (16), a vertical baffle (17), a connecting part, a positioning sleeve (23), a connecting rod (24), a magnetic fixing nut (25) and a magnet (26) with a magnetic operating rod; one end of the rotating shaft (16) is rotatably connected to the supporting mechanism (2), the other end of the rotating shaft (16) is connected to one end of the connecting part, the other end of the connecting part is fixedly connected to one end of the connecting rod (24), the other end of the connecting rod (24) penetrates through the magnet (26) with a magnetic operating rod vertically and is fixed through the magnetic fixing nut (25); the vertical baffle (17) is used for limiting the rotation of the rotating shaft (16), one end of the vertical baffle (17) is connected to the middle part of the rotating shaft (16) vertically, and the vertical baffle (17) and the connecting part are respectively arranged on the two sides of the rotating shaft (16); the positioning sleeve (23) is sleeved on the connecting rod (24) and is located between the connecting part and the magnet (26) with a magnetic operating rod; the welding platform is firmly adsorbed on the cylinder with different diameters.

2. A pressure vessel welding platform as claimed in claim 1, characterised in that: It also comprises a platform protection mechanism; the platform protection mechanism is vertically fixed around the supporting mechanism (2).

3. A pressure vessel welding platform as claimed in claim 2, characterised in that: The platform protection mechanism (1) comprises a fence (5), a foot guard (6) and four hangers (7); the fence (5) is vertically arranged around the support mechanism (2); the fence (5) is provided with a movable door; the foot guard (6) is vertically connected at the joint of the fence (5) and the support mechanism (2); and the four hangers (7) are respectively arranged on the four symmetrical corners of the support mechanism (2).

4. A pressure vessel welding platform as claimed in claim 1, characterised in that: The platform frame (8) is an integrated structure comprising a rectangular frame made of profile steel and at least two supporting beams; the supporting beams are uniformly arranged inside the rectangular frame; the inclined support (9) is made of profile steel; the supporting plate (11) is made of a strip-shaped steel plate; the rib plate (12) is made of a steel plate; the arc plate (13) is made of an arc-shaped steel plate; the shaft sleeve (14) is made of a circular steel tube; and the horizontal baffle (15) is made of a rectangular steel plate.

5. A pressure vessel welding platform as claimed in claim 1, characterised in that: The connecting part comprises a rotating arm (18), a supporting baffle (19), two pairs of wing plates (20), bolts (21) and nuts (22); one end of the rotating arm (18) is fixed to the other end of the rotating shaft (16); the two pairs of wing plates (20) are movably connected to the other end of the rotating arm (18) through the bolts (21) and the nuts (22); and the supporting baffle (19) is fixedly connected to the rotating arm (18) and located below the two pairs of wing plates (20) for limiting the rotation of the wing plates (20).

6. A pressure vessel welding platform as claimed in claim 5, characterised in that: The rotating arm (18) is a right-angle-shaped component made of a steel plate and having a circular through hole at each end; one end of the rotating arm (18) is fixedly connected to the rotating shaft (16), and the other end is rotatably connected to the two pairs of wing plates (20).

7. A pressure vessel welding platform as claimed in claim 1, wherein: The rotating shaft (16) is made of a circular steel tube, has a circular through hole at one end, and is provided with a split pin in the circular through hole; the other end of the rotating shaft (16) is fixedly connected to the rotating arm (18) in the connecting part through the shaft sleeve (14) arranged on the support mechanism (2).

8. A pressure vessel welding platform as claimed in claim 1, characterised in that: The connecting rod (24) is a circular steel rod provided with a thread at one end, and is fixedly connected to the two pairs of wing plates (20) in the connecting part at the other end without the thread, and is fixed to the magnet (26) provided with a magnetic operating rod at the end provided with the thread.

9. A pressure vessel welding platform as claimed in claim 5, characterised in that: The vertical baffle (17) is made of a steel plate; the supporting baffle (19) is made of a rectangular steel plate; and the positioning sleeve (23) is made of a circular steel tube.

10. A method of using a pressure vessel welding platform, characterized by, The pressure vessel welding platform comprises the following steps, Step one: place the pressure vessel welding platform on the pressure vessel to be welded, so that the platform plate (4) is kept horizontal; Step two: adjust the magnetic attraction mechanism (3) so that the magnet (26) provided with a magnetic operating rod in the magnetic attraction mechanism (3) is in complete contact with the pressure vessel to be welded, move and lock the magnetic operating rod on the magnet (26) provided with a magnetic operating rod, so that the magnetic attraction of the magnet (26) is fixed to the pressure vessel to be welded; Step three: after the welding operation is completed, the magnet (26) with the magnetic operating rod in the magnetic attraction mechanism (3) is removed from the magnetic attraction of the pressure vessel to be welded, and the pressure vessel welding platform is removed from the pressure vessel to be welded.

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