Tube panel hoisting device

Abstract

The utility model relates to the technical field of tube panel hoisting, and belongs to a tube panel hoisting device which comprises a hoisting outer frame, the hoisting outer frame comprises a plurality of cross beams and a plurality of longitudinal beams, the cross beams are fixedly connected with the longitudinal beams, and a left connecting seat and a right connecting seat are arranged at the two ends of the upper portion of each cross beam respectively. The left connecting base and the right connecting base are connected with a telescopic hanging bracket with the adjustable length, and the telescopic hanging bracket is provided with a lifting lug assembly. The telescopic hanging bracket has the function of changing the length of the telescopic hanging bracket, and adaptive adjustment can be conducted according to the overall width size of different tube panels. The lifting lug assemblies are used for fixing the single tubes on the two sides of the tube panel, and therefore stable lifting of the tube panel is achieved. Furthermore, when the lifting lug assemblies fix the single tubes on the two sides of the tube panel, the fixed calibers of the lifting lug assemblies can also be independently adjusted, and then the lifting lug assemblies can adapt to the calibers of the single tubes of different specifications. Through the design, the applicability and functionality of the tube panel hoisting device are obviously enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tube panel hoisting technical field belongs to a tube panel hoisting device. BACKGROUND

[0002] In a power station boiler, the tube panel is a screen type heating surface arranged in the furnace, usually including a water-cooled screen type heating surface (belonging to a water circulation system) and a screen type superheater. These heating surfaces are arranged in the form of a screen in the furnace, so they are collectively referred to as tube panels. Their main function is to absorb heat in the furnace and transfer it to the working medium (such as water or steam), thereby generating steam or increasing the temperature and pressure of the steam to drive the steam turbine to generate electricity.

[0003] The actual size and weight of the tube panel are often large, and a tube panel hoisting device is usually needed to lift the tube panel when handling or installing the tube panel. In the prior art, the width of the tube panel and the single tube caliber size of the tube panel are usually considered to facilitate the stable connection of the tube panel and the tube panel hoisting device. Different specifications of tube panels have different overall widths and single tube caliber sizes. However, most of the existing tube panel hoisting devices have poor adjustability of the hoisting connection part with the tube panel, do not have the function of adaptively adjusting to the overall width and tube caliber size of the tube panel, and can only lift a certain specific specification of tube panel, which has great limitations. SUMMARY

[0004] To solve the above technical problems, the utility model provides a tube panel hoisting device.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The present application provides a tube panel hoisting device, which comprises a hoisting outer frame, the hoisting outer frame comprises a plurality of cross beams and a plurality of longitudinal beams, the cross beams and the longitudinal beams are fixedly connected, the upper ends of the cross beams are respectively provided with left and right connecting seats, adjustable length telescopic hangers are connected to the left and right connecting seats, and lug assemblies are arranged on the telescopic hangers.

[0007] As a preferred embodiment, the telescopic hanger comprises a left lifting rod, a right lifting rod and an adjusting rod, the left lifting rod is connected to the left connecting seat, the right lifting rod is connected to the right connecting seat, a left ladder hole is formed in the left lifting rod, a right ladder hole is formed in the right lifting rod, and the adjusting rod is connected to the left and right ladder holes through shaft holes.

[0008] As preferred, the left stepped hole is provided with a left internal thread segment, the right stepped hole is provided with a right internal thread segment, the left internal thread segment and the right internal thread segment are oppositely arranged, the adjusting rod is provided with a left external thread segment and a right external thread segment, the middle part of the adjusting rod is provided with a limiting block, the left external thread segment and the right external thread segment are respectively located on the two sides of the limiting block, the left external thread segment is connected with the left internal thread segment through thread cooperation, and the right external thread segment is connected with the right internal thread segment through thread cooperation.

[0009] As preferred, the adjusting rod is provided with a limiting ring at both ends, and a servo motor is connected to one end of the adjusting rod through a shaft coupling.

[0010] As preferred, the lifting lug assembly comprises a left lifting lug support and a right lifting lug support, the left lifting lug support is connected with a left lifting rod, the right lifting lug support is connected with a right lifting rod, a left fixed clamping plate is fixedly connected to the left lifting lug support, a left lifting lug is arranged on the left fixed clamping plate, a left movable clamping plate is connected to the side wall of the left lifting lug, a right fixed clamping plate is fixedly connected to the right lifting lug support, a right lifting lug is arranged on the right fixed clamping plate, and a right movable clamping plate is connected to the side wall of the right lifting lug.

[0011] As preferred, the left movable clamping plate and the right movable clamping plate are both connected with a sliding block, the left lifting lug and the right lifting lug are both provided with a sliding groove, the sliding block and the sliding groove are movably connected, a left telescopic rod is connected to the left lifting lug through a connecting plate, a right telescopic rod is connected to the right lifting lug through a connecting plate, the output end of the left telescopic rod is connected with the left movable clamping plate, and the output end of the right telescopic rod is connected with the right movable clamping plate.

[0012] As preferred, the left fixed clamping plate and the left movable clamping plate are correspondingly arranged, the right fixed clamping plate and the right movable clamping plate are correspondingly arranged, and an anti-skid layer is arranged in the left fixed clamping plate, the left movable clamping plate, the right fixed clamping plate and the right movable clamping plate.

[0013] Compared with the prior art, the utility model provides a tube panel hoisting device, which has the following beneficial effects:

[0014] The utility model discloses a telescopic hanger and a lifting lug assembly, wherein the telescopic hanger has the function of changing its length and can be adaptively adjusted according to the overall width size of different tube panels. The lifting lug assembly is used for fixing the single tubes on the two sides of the tube panel, thereby realizing the stable hoisting of the tube panel. Furthermore, the fixed caliber of the lifting lug assembly when fixing the single tubes on the two sides of the tube panel can also be independently adjusted, thereby being suitable for single tube calibers of different specifications. Through such design, the applicability and functionality of the tube panel hoisting device are significantly enhanced.

[0015] The features and advantages of the utility model will be described in detail in conjunction with the drawings. DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 、 Figure 3 It is the structure schematic view of the utility model telescopic hanger;

[0018] Figure 4 It is the structure schematic view of the utility model lifting lug assembly;

[0019] Figure 5 It is Figure 4 The local enlarged view of A in the figure;

[0020] In the figure: 1, hoisting outer frame;2, left connecting seat;3, right connecting seat;4, telescopic hanger;5, lifting lug assembly;11, crossbeam;12, longitudinal beam;41, left lifting rod;42, right lifting rod;43, adjusting rod;44, left ladder hole;45, right ladder hole;46, servo motor;431, left outer threaded section;432, right outer threaded section;433, limit block;434, limit ring;441, left inner threaded section;451, right inner threaded section;51, left lifting lug support;52, right lifting lug support;53, left fixed clamping plate;54, left lifting lug;55, left movable clamping plate;56, right fixed clamping plate;57, right lifting lug;58, right movable clamping plate;59, antiskid layer;541, sliding groove;551, sliding block;552, left telescopic rod;553, right telescopic rod. DETAILED DESCRIPTION

[0021] To make the purpose, technical scheme and advantage of the utility more clear and obvious, the utility is further explained in detail below by means of drawings and examples. However, it should be understood that the specific examples described herein are only used to explain the utility, and are not used to limit the scope of the utility. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility.

[0022] Referring to Figure 1 The application provides a tube panel hoisting device, which comprises a hoisting outer frame 1, the hoisting outer frame 1 comprises a plurality of crossbeams 11 and a plurality of longitudinal beams 12, the crossbeams 11 and the longitudinal beams 12 are fixedly connected, the upper two ends of each crossbeam 11 are respectively provided with a left connecting seat 2 and a right connecting seat 3, the left connecting seat 2 and the right connecting seat 3 are connected with a telescopic hanger 4 with adjustable length, and the telescopic hanger 4 is provided with a lifting lug assembly 5.

[0023] Referring to Figures 2-3, specifically, the telescopic hanger 4 includes a left hanger rod 41, a right hanger rod 42 and an adjusting rod 43, the left hanger rod 41 is connected to the left connecting seat 2, the right hanger rod 42 is connected to the right connecting seat 3, a left ladder hole 44 is arranged in the left hanger rod 41, a right ladder hole 45 is arranged in the right hanger rod 42, and the adjusting rod 43 is connected with the left ladder hole 44 and the right ladder hole 45 through shaft holes.

[0024] Referring to Figure 3 , specifically, the left ladder hole 44 is provided with a left internal thread section 441, the right ladder hole 45 is provided with a right internal thread section 451, the left internal thread section 441 and the right internal thread section 451 are oppositely arranged in screw, the adjusting rod 43 is provided with a left external thread section 431 and a right external thread section 432, the adjusting rod 43 is provided with a limiting block 433 in the middle, the left external thread section 431 and the right external thread section 432 are respectively arranged on the two sides of the limiting block 433, the left external thread section 431 is connected with the left internal thread section 441 in thread, the right external thread section 432 is connected with the right internal thread section 451 in thread, the left internal thread section 441 and the right internal thread section 451 are oppositely arranged in screw, thereby the left hanger rod 41 and the right hanger rod 42 can be driven to move away from each other or move close to each other through thread transmission, so that the distance between the lug assemblies 5 can be adapted to the overall width size of different tube panels.

[0025] Referring to Figure 2 , specifically, the adjusting rod 43 is provided with a limiting ring 434 at both ends, and a servo motor 46 is connected to one end of the adjusting rod 43 through a shaft coupling.

[0026] Referring to Figure 4 , specifically, the lug assembly 5 includes a left lug bracket 51 and a right lug bracket 52, the left lug bracket 51 is connected with the left hanger rod 41, the right lug bracket 52 is connected with the right hanger rod 42, the left lug bracket 51 is fixedly connected with a left fixed clamping plate 53, the left fixed clamping plate 53 is provided with a left lug 54, a left movable clamping plate 55 is connected to the side wall of the left lug 54, the right lug bracket 52 is fixedly connected with a right fixed clamping plate 56, the right fixed clamping plate 56 is provided with a right lug 57, and a right movable clamping plate 58 is connected to the side wall of the right lug 57.

[0027] Referring to Figures 4-5Specifically, the left movable clamping plate 55 and the right movable clamping plate 58 are connected with sliding blocks 551, the left lifting lug 54 and the right lifting lug 57 are provided with sliding grooves 541, the sliding blocks 551 are movably connected with the sliding grooves 541, the left lifting lug 54 is connected with a left telescopic rod 552 through a connecting plate, the right lifting lug 57 is connected with a right telescopic rod 553 through a connecting plate, the output end of the left telescopic rod 552 is connected with the left movable clamping plate 55, and the output end of the right telescopic rod 553 is connected with the right movable clamping plate 58.

[0028] Referring to Figure 4 Specifically, the left fixed clamping plate 53 is correspondingly arranged with the left movable clamping plate 55, the right fixed clamping plate 56 is correspondingly arranged with the right movable clamping plate 58, and the left fixed clamping plate 53, the left movable clamping plate 55, the right fixed clamping plate 56 and the right movable clamping plate 58 are all provided with anti-skid layers 59, and the anti-skid layers 59 can avoid rigid contact between the tube panel and the fixed clamping plate.

[0029] The utility model works as follows: firstly, according to the overall width size of the tube panel, the length of the telescopic hanger 4 is adjusted, so that the distance between the left lifting lug support 51 and the right lifting lug support 52 is adjusted. In this process, firstly, the servo motor 46 is started, the adjusting rod 43 is driven to rotate, and then the left outer thread section 431 and the right outer thread section 432 arranged on the adjusting rod 43 are threaded, the left lifting rod 41 and the right lifting rod 42 are driven to move away from each other or move close to each other, so that the length of the telescopic hanger 4 is changed, and the distance between the left lifting lug support 51 and the right lifting lug support 52 is adjusted. Then the single tubes on both sides of the tube panel are respectively placed into the left fixed clamping plate 53 and the right fixed clamping plate 56, after the placement is completed, the left telescopic rod 552 and the right telescopic rod 553 are started, the left telescopic rod 552 and the right telescopic rod 553 drive the left movable clamping plate 55 and the right movable clamping plate 58 connected with them respectively to displace, until the movable clamping plate 55 and the right movable clamping plate 58 press the single tubes on both sides of the tube panel, and the fixing is completed.

[0030] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement or improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pipe screen hoisting device, characterized in that: The utility model provides a lifting frame, which comprises a lifting outer frame (1) comprising a plurality of cross beams (11) and a plurality of longitudinal beams (12), the cross beams (11) and the longitudinal beams (12) are fixedly connected, the upper ends of the two ends of the cross beams (11) are respectively provided with a left connecting seat (2) and a right connecting seat (3), the left connecting seat (2) and the right connecting seat (3) are connected with telescopic lifting frames (4) with adjustable length, and the telescopic lifting frames (4) are provided with lifting lug assemblies (5).

2. A fuel channel hanger as defined in claim 1, wherein: The telescopic lifting frame (4) comprises a left lifting rod (41), a right lifting rod (42) and an adjusting rod (43), the left lifting rod (41) is connected to the left connecting seat (2), the right lifting rod (42) is connected to the right connecting seat (3), the left lifting rod (41) is provided with a left ladder hole (44), the right lifting rod (42) is provided with a right ladder hole (45), and the adjusting rod (43) is connected with the left ladder hole (44) and the right ladder hole (45) through shaft holes.

3. A fuel channel hanger as defined in claim 2, wherein: The left ladder hole (44) is provided with a left internal thread section (441), the right ladder hole (45) is provided with a right internal thread section (451), the left internal thread section (441) and the right internal thread section (451) are oppositely arranged in a screw manner, the adjusting rod (43) is provided with a left external thread section (431) and a right external thread section (432), the middle part of the adjusting rod (43) is provided with a limiting block (433), the left external thread section (431) and the right external thread section (432) are located on the two sides of the limiting block (433) respectively, the left external thread section (431) is connected with the left internal thread section (441) in a threaded manner, and the right external thread section (432) is connected with the right internal thread section (451) in a threaded manner.

4. A fuel channel hanger as defined in claim 2, wherein: The two ends of the adjusting rod (43) are provided with limiting rings (434), and one end of the adjusting rod (43) is connected with a servo motor (46) through a shaft coupling.

5. A fuel channel support assembly as set forth in claim 2 further characterized by: The lifting lug assembly (5) comprises a left lifting lug support (51) and a right lifting lug support (52), the left lifting lug support (51) is connected with the left lifting rod (41), the right lifting lug support (52) is connected with the right lifting rod (42), the left lifting lug support (51) is fixedly connected with a left fixed clamping plate (53), the left fixed clamping plate (53) is provided with a left lifting lug (54), the side wall of the left lifting lug (54) is connected with a left movable clamping plate (55), the right lifting lug support (52) is fixedly connected with a right fixed clamping plate (56), the right fixed clamping plate (56) is provided with a right lifting lug (57), and the side wall of the right lifting lug (57) is connected with a right movable clamping plate (58).

6. A fuel channel hanger as defined in claim 5, wherein: The left movable clamping plate (55) and the right movable clamping plate (58) are connected with sliding blocks (551), the left lifting lug (54) and the right lifting lug (57) are provided with sliding grooves (541), the sliding blocks (551) are movably connected with the sliding grooves (541), the left lifting lug (54) is connected with a left telescopic rod (552) through a connecting plate, the right lifting lug (57) is connected with a right telescopic rod (553) through a connecting plate, the left telescopic rod (552) is connected with the left movable clamping plate (55) at an output end, and the right telescopic rod (553) is connected with the right movable clamping plate (58) at an output end.

7. A fuel channel support assembly as set forth in claim 5 further characterized by: The left fixed clamping plate (53) is correspondingly arranged with the left movable clamping plate (55), the right fixed clamping plate (56) is correspondingly arranged with the right movable clamping plate (58), and the left fixed clamping plate (53), the left movable clamping plate (55), the right fixed clamping plate (56) and the right movable clamping plate (58) are all provided with anti-skid layers (59).

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