Membrane type narrow tube panel back shore correcting device

Abstract

The utility model provides a membrane type narrow tube panel back shore correction device, including correction platform, connecting plate, drag hook, steel plate, adjusting block and hydraulic jack, the correction platform is set to be inverted trapezoid shape, the drag hook is set at the both ends of correction platform, the connecting plate is set at the drag hook bottom and is located the correction platform front portion, and the hydraulic jack is set at the both ends of correction platform. A steel plate is arranged on the front portion of the drag hook, the adjusting block is arranged in the drag hook, and the hydraulic jack is installed in the middle of the correction platform. The side-bending pipe panel rapid jacking and correcting device has the advantages that the adjusting block installed on the drag hook is matched with the hydraulic jack in the correction platform, rapid jacking and correcting operation on a local area of a side-bending pipe panel can be achieved, and the correcting efficiency is improved. The S-shaped sidewise bending wave phenomenon of the product tube panel is improved, and the manufacturing period of the product is remarkably shortened while the product quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to tube panel correction device technical field especially relates to a membrane type narrow tube panel top support correction device. BACKGROUND

[0002] At present, with the improvement of boiler parameters, the tube panel material grade in the boiler is also gradually improved, when the alloy steel, stainless steel type product tube panel appears, for the above structure type alloy steel, stainless steel tube panel product, adopts the conventional gantry horizontal row welding mode, after welding, the tube panel is extremely easy to appear "S" type side bending in the axial direction, wherein the side bending value is S1, the S1 value range is 5~30mm, the tube panel product still needs to be corrected subsequently, which leads to long tube panel product manufacturing cycle, high manufacturing cost and is not conducive to workshop production and manufacturing. SUMMARY

[0003] In order to overcome the above problems in the prior art, the utility model provides a membrane type narrow tube panel top support correction device.

[0004] The utility model discloses a membrane type narrow tube panel top support correction device, including correction platform, connecting plate, drag hook, steel sheet, adjusting block and hydraulic jack, the correction platform is set as "inverted trapezoidal" shape, the drag hook sets up at both ends of correction platform, the connecting plate number sets up in the drag hook bottom, and is located the front part of correction platform, the steel sheet is equipped in the drag hook front part, the adjusting block sets up in the drag hook, the hydraulic jack is installed in the middle position of correction platform.

[0005] On this basis, the correction platform includes a main plate, side plates, end plates and reinforcing plates, the main plate is "inverted trapezoidal" shape, the side plates are two, respectively arranged on the upper and lower sides of the main plate, the end plates are two, respectively arranged on the left and right sides of the main plate, the reinforcing plates are arranged inside the main plate, and a recess is arranged on one side of the middle of the main plate.

[0006] On this basis, the drag hook is in the shape of a round hook, and the drag hook is formed into a round hook shape by bending a steel plate.

[0007] On this basis, the adjusting block is in the shape of a "U".

[0008] On this basis, the arc size of the outside of the adjusting block is the same as the arc size of the inside of the drag hook.

[0009] On this basis, the hydraulic jack is connected to a control line and passes out of the recess in the main plate.

[0010] On this basis, the center of the inner arc of the adjusting block and the center of the hydraulic jack are at the same horizontal height.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: through the adjusting block installed on the pull hook, cooperating with the hydraulic jack in the correction platform, the local area of the product tube screen with side bending can be quickly supported and corrected, the "S" type side bending wave phenomenon of the product tube screen is improved, the manufacturing cycle of the product is significantly shortened while the product quality is ensured; the device has the advantages of simple design structure, low manufacturing cost, convenient use, and can be used for supporting and correcting different specifications of tube screens by replacing different specifications of adjusting blocks, has high universality and practicality, and is convenient for large-scale use in production workshops. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 、 Figure 2 It is a product tube screen structure schematic view;

[0013] Figure 3 It is a product tube screen with local area side bending;

[0014] Figure 4 It is a main view structure schematic view of the membrane type narrow tube screen supporting and correcting device of the utility model;

[0015] Figure 5 It is a side view structure schematic view of the membrane type narrow tube screen supporting and correcting device of the utility model;

[0016] Figure 6 It is a correction platform structure schematic view of the utility model;

[0017] Figure 7 It is a connecting plate structure schematic view of the utility model;

[0018] Figure 8 It is a pull hook structure schematic view of the utility model;

[0019] Figure 9 It is an adjusting block structure schematic view of the utility model;

[0020] Figure 10 It is a main view structure schematic view of the product tube screen and the membrane type narrow tube screen supporting and correcting device of the embodiment;

[0021] Figure 11 It is a side view structure schematic view of the product tube screen and the membrane type narrow tube screen supporting and correcting device of the embodiment;

[0022] In the drawing: 0, tube screen, 1, correction platform, 2, connecting plate, 3, pull hook, 4, steel plate, 5, adjusting block, 6, hydraulic jack, 1-1, main plate, 1-2, side plate, 1-3, end plate, 1-4, reinforcing plate, 1-5, groove. DETAILED DESCRIPTION

[0023] The utility model is further explained in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0024] Reference Figure 1 , Figure 2 and Figure 3 The tube screen 0 is composed of a plurality of tubes, the tubes are welded and connected through flat steel between the tubes, the width of the tube screen 0 is L1, the value range of L1 is 500-1500 mm; the length of the tube screen 0 is L2, the value range of L2 is 10-15 m; the outer circle of the tube in the tube screen 0 is Φ1, the value range of Φ1 is 15-80 mm.

[0025] Reference Figures 4-9 The utility model discloses a membrane type narrow tube screen jacking correction device, including correction platform 1, connecting plate 2, draw hook 3, steel sheet 4, adjusting block 5 and hydraulic jack 6,

[0026] Correction platform 1 is set as " inverted trapezoidal " shape, and correction platform 1 includes main body board 1-1, side plate 1-2, end plate 1-3 and reinforcing plate 1-4,

[0027] In the embodiment, the number of main body board 1-1 is two, and each is set as " inverted trapezoidal " shape;The number of side plate 1-2 is two, and each is arranged on the upper and lower ends of main body board 1-1;The number of end plate (1-3) is two, and each is arranged on the left and right ends of main body board 1-1. The upper and lower sides of main body board 1-1 are connected by side plate 1-2, and the left and right sides are connected by end plate (1-3) to form a closed cavity, form correction platform 1, and reinforcing plate 1-4 is arranged in the inside of main body board 1-1 and in the inside of correction platform 1 to reinforce the bottom of correction platform 1. The parts are fixed by welding, and a groove 1-5 is arranged on one side of the middle of main body board 1-1.

[0028] In the embodiment, the number of draw hook 3 is two, and each is arranged on the two ends of correction platform 1, the number of connecting plate 2 is two, and each is arranged on the bottom position of draw hook 3 and located in the front of correction platform 1, connecting plate 2 is used to reinforce and connect correction platform 1 and draw hook 3, steel sheet 4 is arranged on the front of draw hook 3, and steel sheet 4 is used to further reinforce and connect correction platform 1 and draw hook 3, and the parts of correction platform 1, connecting plate 2, draw hook 3 and steel sheet 4 are fixed by welding.

[0029] Draw hook 3 is set as round hook shape, draw hook 3 is formed into round arc hook shape by bending three layers of steel plates, the parts are formed by stacking and welding, and draw hook 3 is internally provided with a round arc R1.

[0030] The number of adjusting blocks 5 is two, which are arranged in the pull hook 3. The adjusting block 5 is in the shape of "U". The adjusting block 5 is internally provided with a circular arc R2, wherein the value of R2 is Φ12. The adjusting block 5 is externally provided with a circular arc R1, wherein the value of R1 is the same as the value of the internal circular arc R1 in the pull hook 3.

[0031] The hydraulic jack 6 is arranged in the middle of the correction platform 1. The hydraulic jack 6 is externally connected with the control line, which is arranged in the groove 1-5 in the main plate 1-1, so as to be connected with the hydraulic controller, thereby realizing the function of controlling the extension or contraction of the end of the hydraulic jack.

[0032] The center of the internal circular arc R2 in the adjusting block 5 is arranged at the same horizontal height as the center of the hydraulic jack 6. That is, when the end of the hydraulic jack 6 is extended, the center of the product tube panel 0 can be directly supported and corrected.

[0033] Therefore, when the end of the hydraulic jack 6 in the membrane type narrow tube panel supporting and correcting device is extended, the product tube panel 0 at the position is pushed outward, thereby realizing the function of correcting the lateral bending of the product tube panel 0. In this way, the local position of the product tube panel 0 can be supported, and the local area of the tube panel with lateral bending can be finally corrected.

[0034] Reference Figure 10 and Figure 11 In use, the device is cleaned, the parts in the device are matched, the adjusting block 5 corresponding to the size of the tube in the product tube panel 0 is selected, the area to be corrected is marked on the tube panel 0 according to the deflection of the product tube panel 0, and the adjusting block is arranged in the pull hook 3. The product tube panel 0 is placed on the correction platform 1. The electromagnetic induction heating mechanism is arranged in the correction area or the flame temperature control heating method is adopted, so as to heat the correction area of the tube panel 0. When the end of the hydraulic jack 6 is extended, the product tube panel at the position is pushed outward, thereby realizing the function of correcting the lateral bending of the product tube panel 0. Finally, the local area of the tube panel 0 with lateral bending is corrected. The hydraulic controller is operated to control the extension or contraction of the end of the hydraulic jack 6, so as to support the product tube panel 0 at different positions, thereby realizing the purpose of correcting the "S" type lateral bending wave of the product tube panel. The end of the hydraulic jack 6 is contracted by operating the hydraulic controller, so as to quickly lift the product tube panel 0 out of the correction device, thereby realizing the function of quickly separating the product tube panel 0 from the correction device.

[0035] In the description of the utility model, it is understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0036] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection", "pad setting" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the person skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0037] The above description shows and describes the preferred embodiments of the utility model, as mentioned before, it should be understood that the utility model is not limited to the form disclosed herein, should not be regarded as excluding other embodiments, and can be used in various other combinations, modifications and environments, and can be changed by the above teaching or related technical or knowledge within the scope of the utility model conceived in the present application.The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the claims attached to the utility model.

Claims

1. A membrane-type narrow tube screen top support correction device, characterized by: The device comprises a correction platform (1), a connecting plate (2), a draw hook (3), a steel plate (4), an adjusting block (5) and a hydraulic jack (6), the correction platform (1) is shaped as an "inverted trapezoid", the draw hook (3) is arranged at both ends of the correction platform (1), the connecting plate (2) is arranged at the bottom of the draw hook (3) and in front of the correction platform (1), the steel plate (4) is arranged in front of the draw hook (3), the adjusting block (5) is arranged in the draw hook (3), and the hydraulic jack (6) is arranged in the middle of the correction platform (1).

2. The membrane narrow tube screen top support correction device of claim 1, wherein: The correction platform (1) comprises a main plate (1-1), side plates (1-2), end plates (1-3) and reinforcing plates (1-4), the main plate (1-1) is shaped as an "inverted trapezoid", the side plates (1-2) are arranged on the upper and lower sides of the main plate (1-1), the end plates (1-3) are arranged on the left and right sides of the main plate (1-1), the reinforcing plates (1-4) are arranged inside the main plate (1-1), and a recess (1-5) is arranged on one side of the middle of the main plate (1-1).

3. The membrane narrow tube screen top support correction device of claim 1, wherein: The draw hook (3) is shaped as a round hook, and the draw hook (3) is formed by bending a steel plate into a round hook shape.

4. The membrane narrow tube screen top support correction device of claim 1, wherein: The adjusting block (5) is shaped as a "U" shape.

5. The membrane narrow tube screen top support correction device of claim 1, wherein: The size of the arc on the outside of the adjusting block (5) is the same as the size of the arc in the draw hook (3).

6. The membrane narrow tube screen top support correction device of claim 2, wherein: The hydraulic jack (6) is connected to a control line and passes through the recess (1-5) in the main plate (1-1).

7. The membrane narrow tube screen top support correction device of claim 6, wherein: The center of the arc in the adjusting block (5) and the center of the hydraulic jack (6) are arranged at the same horizontal height.

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