High-temperature-resistant multi-layer composite boiler steel structure protective cover

Abstract

The utility model provides a high-temperature-resistant multilayer composite boiler steel structure protective cover, which relates to the field of boiler steel protective covers and comprises a base ring and a top ring, a fixed rod and a movable rod are connected in the base ring, and the upper end and the lower end of the fixed rod are fixedly connected in the base ring and the top ring. The upper end and the lower end of the movable rod are movably connected into the base ring and the top ring, the outer side of the fixed rod is slidably connected with a lifting table, the middle of the lifting table is in threaded connection with a lead screw, the upper end of the lead screw is connected with a motor, the inner side of the top ring is connected with a guide rail plate, and the inner side of the guide rail plate is slidably connected with a movable plate; and the upper side of the moving plate is connected with a pull rope. The utility model solves the problem that the existing boiler protection device is inconvenient to disassemble and climb, so that the boiler cannot be comprehensively overhauled in a short distance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of boiler steel protective cover, concretely relates to a high temperature resistant multilayer composite boiler steel structure protective cover. BACKGROUND

[0002] At present, in the industrial production process, many industries need to use the boiler, the outer wall of the boiler generally has high temperature in the use process, however, there is no protective device specially used for the boiler on the market, so once the human body touches the outer wall of the boiler, it will cause the scald of the personnel, and there is great safety hazard.

[0003] After searching, the prior art (publication number: CN209655266U) records "a boiler protective device, including two support rings for being sleeved on the outside of the boiler, the two support rings are distributed upwards and downwards, after the support ring is sleeved to the outside of the boiler, the inner circumferential wall of the support ring and the outer wall of the boiler leave a gap, a plurality of circumferentially uniform distribution connecting rods are arranged between the two support rings, the two ends of each connecting rod are fixed with one of the support rings, four circumferentially uniform distribution support feet are welded and fixed on the outer wall of the lower support ring, the lower part of each support foot is gradually expanded outward from top to bottom, the lower end of each support foot is provided with an outwardly extending horizontal edge, the horizontal edge is provided with an assembly hole through which a bolt can pass to fix the horizontal edge on the ground; the utility model can protect the boiler, so as to avoid the phenomenon of scalding when the personnel touches the boiler, and avoid the phenomenon of damaging the boiler when the object hits the boiler."

[0004] Although the boiler protective device in the prior art achieves the protection effect, there are still some deficiencies: the existing boiler protective device involves the circular protective device composed of the support ring and the connecting rod, which has the defect of not being easy to disassemble, leading to the inconvenience of entering the protective device to overhaul the boiler equipment, secondly, the height of the general industrial boiler is three to five meters, or more than five meters, and the protective device is not convenient for the maintenance personnel to climb to the top to overhaul the top of the boiler. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects of the prior art, a high temperature resistant multilayer composite boiler steel structure protective cover is provided to solve the defects of the existing boiler protective device, such as not being easy to disassemble and not being easy to climb, leading to the problem that the boiler cannot be overhauled closely.

[0006] In order to achieve the above object, a high-temperature-resistant multi-layer composite boiler steel structure protective cover is provided, comprising: a base ring and a top ring, the inside of the base ring is connected with a fixed rod and a movable rod, the upper and lower ends of the fixed rod are fixedly connected inside the base ring and the top ring, and the upper and lower ends of the movable rod are movably connected inside the base ring and the top ring, the outer side of the fixed rod is slidably connected with a lifting platform, the middle part of the lifting platform is screwed with a lead screw, and the upper end of the lead screw is connected with a motor, the inner side of the top ring is connected with a guide rail plate, the inner side of the guide rail plate is slidably connected with a moving plate, and the upper side of the moving plate is connected with a pull rope.

[0007] Further, the outer edge of the base ring is welded with a support foot, and the support foot is fixed to the ground through an expansion bolt.

[0008] Further, the inside of the base ring and the top ring is provided with a movable slot corresponding in upper and lower directions, and the upper end of the movable slot is provided with equidistantly arranged limiting grooves.

[0009] Further, the lower end of the movable rod passes through the lower movable slot and is fixed by a bolt, while the upper end of the movable rod is connected with a limiting block, and the limiting block is embedded in the limiting groove.

[0010] Further, the lower end of the lead screw is rotatably connected to the upper end of the base ring, the upper end of the lead screw is rotatably connected to the motor through the top ring, and the motor is fixed to the upper end of the top ring.

[0011] Further, the upper side of the lifting platform is provided with a standing groove, the inside of the lifting platform is provided with a guide hole and a threaded hole, the fixed rod is slidably connected inside the guide hole, and the lead screw is screwed in the threaded hole.

[0012] Further, the outer end of the moving plate is connected with a connecting rod, the outer end of the connecting rod is connected with a hook, and the hook is hung with a hanging ring welded to the inner wall of the top ring.

[0013] The beneficial effects of the utility model lie in:

[0014] 1. When it is necessary to enter the inside of the base ring to overhaul the boiler, first, the bolt at the lower end of the movable rod is loosened, then the movable rod is lifted upward so that the limiting block is separated from the limiting groove, at this time, the movable rod is moved away to the two sides, a space is left between the base ring and the top ring, and thus the overhaul personnel can approach the boiler after the convenient disassembly;

[0015] 2、When the upper side of the boiler needs to be overhauled, the overhaul personnel can stand in the standing groove of the lifting platform at this time, and then start the motor to make the drive screw rotate, and then make the drive lifting platform move up under the cooperation of the guide rod and the guide hole, and then take the overhaul personnel to the top ring, and then the overhaul personnel cross the top ring to enter the moving plate, at this time the hook is separated from the hanging ring, and then the moving plate moves on the diameter path of the top ring through the pull rope and the guide rail plate, thereby conveniently climbing to the upper side of the boiler for overhaul. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view structural schematic diagram of the utility model embodiment.

[0017] Figure 2 It is a front view structural schematic diagram of the utility model embodiment.

[0018] Figure 3 It is a lifting platform three-dimensional structural schematic diagram of the utility model embodiment.

[0019] Figure 4 It is a lifting platform front view structural schematic diagram of the utility model embodiment.

[0020] Figure 5 It is a Figure 1 structure schematic diagram of the utility model embodiment.

[0021] In the figure: 1, base ring; 2, top ring; 3, fixed rod; 4, movable rod; 41, limit block; 42, limit groove; 43, movable groove; 5, motor; 6, screw rod; 7, lifting platform; 71, standing groove; 72, guide hole; 73, threaded hole; 8, moving plate; 81, connecting rod; 82, hook; 83, hanging ring; 9, guide rail plate; 10, pull rope. DETAILED DESCRIPTION

[0022] Referring to Figures 1 to 5 As shown in the figure, the utility model provides a high-temperature-resistant multilayer composite boiler steel structure protective cover, include: base ring 1 and top ring 2, base ring 1 inside connection has fixed rod 3 and movable rod 4, and the upper and lower ends of fixed rod 3 are fixedly connected inside base ring 1 and top ring 2, and the upper and lower ends of movable rod 4 are movably connected inside base ring 1 and top ring 2, the outer side of fixed rod 3 is slidably connected with lifting platform 7, the middle part of lifting platform 7 is screwed with screw rod 6, the upper end of screw rod 6 is connected with motor 5, the inner side of top ring 2 is connected with guide rail plate 9, the inner side of guide rail plate 9 is slidably connected with moving plate 8, and the upper side of moving plate 8 is connected with pull rope 10.

[0023] In the embodiment, the base ring 1 and the top ring 2 and the fixed rods 3 and the movable rods 4 connected therebetween constitute the main structure of the high-temperature-resistant multi-layer composite boiler steel structure protective cover involved in the application, which is used for the outer protection of the high-temperature-resistant multi-layer composite boiler.

[0024] In the embodiment, the base ring 1 and the top ring 2 and the fixed rods 3 and the movable rods 4 connected therebetween are all made of steel, and the fixed rods 3 and the movable rods 4 are arranged at equal intervals in the circumferential direction of the base ring 1 and the top ring 2.

[0025] Specifically, the upper and lower ends of the fixed rod 3 are both provided with threaded segments, and a threaded rod passes through the base ring 1 and the top ring 2 and is then fixedly connected through a nut. The part of the fixed rod 3 located below the top ring 2 is provided with an outward protruding structure, which realizes the limiting support of the top ring 2. The lower end of the movable rod 4 is provided with a threaded segment, which passes downward through the base ring 1 and is then locked and connected through a nut.

[0026] As shown in Figure 1 and Figure 2 , a support leg is welded to the outer edge of the base ring 1, and the support leg is fixed to the ground through an expansion bolt. The inside of the base ring 1 and the top ring 2 is provided with upper and lower corresponding movable grooves 43, and the upper end of the movable groove 43 is provided with equidistantly arranged limiting grooves 42. The lower end of the movable rod 4 passes through the lower movable groove 43 and is fixed through a bolt, and the upper end of the movable rod 4 is connected with a limiting block 41, and the limiting block 41 is embedded in the limiting groove 42.

[0027] Specifically, the movable groove 43 is arranged in the upper and lower corresponding half circles of the base ring 1 and the top ring 2, and the diameter of the limiting groove 42 is greater than the width of the movable groove 43. The limiting block 41 maintains a certain pressure after being locked by the nut at the lower end of the movable rod 4.

[0028] Specifically, when the movable rods 4 are opened, the movable rods 4 near the two ends of the movable groove 43 are first disassembled, and then moved to the two ends of the movable groove 43. Then, the movable rods 4 in the middle of the movable groove 43 are disassembled and moved to the two sides in turn, so as to realize the opening of the spacing between the movable rods 4, thereby facilitating the maintenance personnel to enter close to the boiler.

[0029] It should be noted that the maintenance of the boiler is in the state that the boiler has stopped working and has completely cooled down.

[0030] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5The lower end of the screw rod 6 is rotatably connected to the upper end of the base ring 1, the upper end of the screw rod 6 is rotatably connected to the motor 5 through the top ring 2, and the motor 5 is fixed to the upper end of the top ring 2. The upper side of the lifting platform 7 is provided with a standing groove 71, the inside of the lifting platform 7 is provided with a guide hole 72 and a threaded hole 73, the fixed rod 3 is slidably connected to the inside of the guide hole 72, the screw rod 6 is screwed in the threaded hole 73, the outer end of the moving plate 8 is connected with a connecting rod 81, the outer end of the connecting rod 81 is connected with a hook 82, and the hook 82 is hung with a hanging ring 83 welded to the inner wall of the top ring 2.

[0031] Specifically, the lifting platform 7 is connected to the outer sides of the two adjacent fixed rods 3, and the screw rod 6 is located between the two fixed rods 3. The lifting platform 7 protrudes outward on the circumference outside of the base ring 1 and the top ring 2.

[0032] Specifically, the inside of the moving plate 8 is provided with a recessed pit, which is convenient for the standing of the maintenance personnel, and a row of rollers is arranged on the two side edges of the moving plate 8, the rollers are rotatably connected in the guide groove arranged on the opposite side wall of the guide rail plate 9, and the upper side edge of the moving plate 8 is provided with a guide sleeve in the direction of the pull rope 10. The pull rope 10 passes through the guide sleeve, and the guide sleeve is connected with a locking bolt outside.

[0033] When in operation, the maintenance personnel climbs over the top ring 2 to the moving plate 8, then contacts the connection of the hook 82 and the hanging ring 83, at this time the maintenance personnel moves the moving plate 8 by pulling the pull rope 10, realizes the movement of the moving plate 8, and realizes the patrol on the upper side of the boiler. When the moving plate 8 needs to stop at a certain position, the bolt outside the guide sleeve is locked at this time, and the pull rope 10 inside the guide sleeve is locked, so that the moving plate 8 can keep stable and stop.

[0034] When in use, when it is needed to enter the inside of the base ring to maintain the boiler, first, the bolt at the lower end of the movable rod is loosened, then the movable rod is lifted upward, so that the limiting block is separated from the limiting groove, at this time the movable rod is moved away to the two sides, so that a space is left between the base ring and the top ring, and then the movable rod is removed, so that the maintenance personnel can approach the boiler. When the upper side of the boiler needs to be maintained, the maintenance personnel can stand in the standing groove of the lifting platform at this time, then the motor is started to make the driving screw rod rotate, and then the driving lifting platform moves upward under the cooperation of the guide rod and the guide hole, so that the maintenance personnel is brought to the top ring, then the maintenance personnel climbs over the top ring to the moving plate, at this time the hook is separated from the hanging ring, and then the moving plate moves on the diameter path of the top ring through the pull rope and the guide rail plate, so that the maintenance personnel can conveniently climb to the upper side of the boiler to maintain it.

[0035] The utility model discloses a high -temperature -resistant multilayer composite boiler steel structure protective cover can effectively solve the defect that the existing boiler protection device does not inconvenient dismantling and does not inconvenient to climb, leads to the problem that cannot close distance to the comprehensive overhaul of boiler, realized on the high -temperature -resistant multilayer composite boiler steel structure protective cover technical basis of existing, convenient to dismantle after approaching boiler outside and convenient to climb to the top of boiler, realizes the comprehensive overhaul and the tour of boiler.

Claims

1. A high temperature resistant multilayer composite boiler steel structure shield comprising: The base ring (1) and the top ring (2) are characterized in that: the inside of the base ring (1) is connected with a fixed rod (3) and a movable rod (4), the upper and lower ends of the fixed rod (3) are fixedly connected inside the base ring (1) and the top ring (2), and the upper and lower ends of the movable rod (4) are movably connected inside the base ring (1) and the top ring (2), the outer side of the fixed rod (3) is slidably connected with a lifting platform (7), the middle part of the lifting platform (7) is screwed with a lead screw (6), the upper end of the lead screw (6) is connected with a motor (5), the inner side of the top ring (2) is connected with a guide rail plate (9), the inner side of the guide rail plate (9) is slidably connected with a moving plate (8), and the upper side of the moving plate (8) is connected with a pull rope (10).

2. A high temperature resistant multilayer composite boiler steel structure shield according to claim 1, characterized in that, The outer edge of the base ring (1) is welded with a supporting leg, and the supporting leg is fixed to the ground through an expansion bolt.

3. A high temperature resistant multilayer composite boiler steel structure shield according to claim 1, characterized in that, The inside of the base ring (1) and the top ring (2) is provided with an upper and lower corresponding movable slot (43), and the upper end of the movable slot (43) is provided with equidistantly arranged limiting grooves (42).

4. A high temperature resistant multilayer composite boiler steel structure shield according to claim 1, characterized in that, The lower end of the movable rod (4) passes through the lower movable slot (43) and is fixed by a bolt, and the upper end of the movable rod (4) is connected with a limiting block (41), and the limiting block (41) is embedded in the limiting groove (42).

5. A high temperature resistant multilayer composite boiler steel structure shield according to claim 1, characterized in that, The lower end of the lead screw (6) is rotatably connected to the upper end of the base ring (1), the upper end of the lead screw (6) is rotatably connected to the motor (5) through the top ring (2), and the motor (5) is fixed to the upper end of the top ring (2).

6. A high temperature resistant multilayer composite boiler steel structure shield according to claim 1, characterized in that, The upper side of the lifting platform (7) is provided with a standing groove (71), the inside of the lifting platform (7) is provided with a guide hole (72) and a threaded hole (73), the fixed rod (3) is slidably connected inside the guide hole (72), and the lead screw (6) is screwed in the threaded hole (73).

7. A high temperature resistant multilayer composite boiler steel structure shield according to claim 1, characterized in that, The outer end of the moving plate (8) is connected with a connecting rod (81), the outer end of the connecting rod (81) is connected with a hook (82), and the hook (82) is hung with a hanging ring (83) welded with the inner wall of the top ring (2).

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