Positioning device between boiler tube screens

Abstract

The utility model discloses a boiler tube screen inter-screen positioning device, and relates to the technical field of tube screen inter-screen positioning, the boiler tube screen inter-screen positioning device comprises a left fixing tube clamp and a right fixing tube clamp, the left fixing tube clamp comprises a first wave-shaped side edge, a first fixing seat and a fixing block, and the right fixing tube clamp comprises a second wave-shaped side edge, a second fixing seat and a strip-shaped hole for the fixing block to penetrate through. The second wave-shaped side edge is matched with the first wave-shaped side edge, the second fixing seat is matched with the first fixing seat, the second wave-shaped side edge is matched with the first wave-shaped side edge to form a first channel for the tube panel to penetrate through, and the second fixing seat is matched with the first fixing seat to form a second channel for the positioning tube to penetrate through. The left fixing pipe clamp and the right fixing pipe clamp can be connected in a matched mode to form a hoop type positioning device, a vertical pipe panel is clamped, the fixing pipe clamps are positioned through the transverse positioning pipe, and therefore the purpose that the fixing pipe clamps position the pipe panel is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the tube screen interposition positioning technical field, specifically a boiler tube screen interposition positioning device. BACKGROUND

[0002] The reheater and the superheater tube bank of each furnace type pulverized coal power boiler are prone to deformation and misalignment after long-term operation. To fix the position between the boiler tube screens, prevent misalignment and disorder, the traditional screen interposition positioning device generally adopts a combination of a steel plate and an L-shaped fixed plate for fixation and positioning. Although this device can achieve temporary positioning, it is prone to deformation, falling off and failure after long-term operation of the boiler. A handcuff type cast pipe clamp can also be used for fixation, but this device does not use bolts and welding to fix and connect the left and right ends of the pipe clamp, and it is also prone to connection damage and falling off after long-term operation of the boiler, resulting in device failure. Therefore, a boiler tube screen interposition positioning device is designed, which is formed by the cooperation and connection of the left and right fixed pipe clamps, and functions as a hoop type positioning device that clamps the vertical tube screens and positions the horizontal positioning pipes to fix the tube screens. Bolts and welding are used for connection to strengthen the stability of the connection and reduce the incidence of deformation, falling off and failure of the positioning device after long-term operation of the boiler. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art and providing a boiler tube screen interposition positioning device. The left and right fixed pipe clamps are cooperatively connected to form a hoop type positioning device that clamps the vertical tube screens and positions the horizontal positioning pipes to fix the tube screens. Bolts and welding are used for connection to strengthen the stability of the connection and reduce the incidence of deformation, falling off and failure of the positioning device after long-term operation of the boiler.

[0004] The utility model aims at overcoming the defects of the prior art and providing a boiler tube screen interposition positioning device. The left and right fixed pipe clamps are cooperatively connected to form a hoop type positioning device that clamps the vertical tube screens and positions the horizontal positioning pipes to fix the tube screens. Bolts and welding are used for connection to strengthen the stability of the connection and reduce the incidence of deformation, falling off and failure of the positioning device after long-term operation of the boiler.

[0005] The right fixed pipe clamp comprises a second wavy side and a second fixed base, the bottom of the second wavy side is connected with the top of the second fixed base, and the second wavy side is matched with the first wavy side and the second fixed base is matched with the first fixed base, strip-shaped holes for the fixed blocks to penetrate are arranged at the crests of the second wavy side, the second fixed base is provided with a second semicylindrical groove matched with the first semicylindrical groove, the first channel for the tube panel to penetrate is formed after the second wavy side is matched with the first wavy side, and the second channel for the positioning pipe to penetrate is formed after the first semicylindrical groove is matched with the second semicylindrical groove.

[0006] The tube panel is provided with the first positioning round steel for preventing the fixed pipe clamp from falling off.

[0007] Further, the tube panel is provided with two first positioning round steels located on the same horizontal plane, and the top of the two first positioning round steels is in contact with the bottom of the fixed pipe clamp.

[0008] The positioning pipe is provided with the second positioning round steel for limiting the fixed pipe clamp.

[0009] Further, the positioning pipe is provided with two second positioning round steels located on the same horizontal plane, and the two second positioning round steels are distributed on the two sides of the fixed pipe clamp.

[0010] The first fixed base and the second fixed base are provided with holes for the bolts to penetrate, and the positions of the holes of the first fixed base correspond to the positions of the holes of the second fixed base.

[0011] The bolt penetrates through the holes of the first fixed base and the holes of the second fixed base in sequence and is fixed by being screwed by the nut.

[0012] The utility model discloses the beneficial effects are:

[0013] 1, the utility model discloses a left fixed pipe clamp and right fixed pipe clamp cooperation connection form the positioning device of the hoop style, and the vertical tube panel is clamped, and the transverse positioning pipe is positioned to the fixed pipe clamp, so as to play the purpose that the fixed pipe clamp is positioned to the tube panel, and the bolt and welding connection are used simultaneously, strengthen the stability of connection, reduce the deformation, the falling off, the failure problem's incidence of the positioning device after the long -term operation of boiler.

[0014] 2, the utility model discloses the first positioning round steel and second positioning round steel play the positioning and prevent the falling off effect to the fixed pipe clamp. DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is Figure 1 the overhead structural schematic diagram;

[0017] Figure 3 Structure diagram of left fixed pipe clamp;

[0018] Figure 4 Structure diagram of Figure 3 Structure diagram of

[0019] Figure 5 Structure diagram of right fixed pipe clamp;

[0020] Figure 6 Structure diagram of Figure 5 Structure diagram of

[0021] In the figure: 1-left fixed pipe clamp, 2-right fixed pipe clamp, 3-first positioning round steel, 4-second positioning round steel, 5-bolt, 6-nut, 7-first channel, 8-tube screen, 9-positioning tube, 10-second channel, 11-first wavy side, 12-fixed block, 13-first fixed seat, 21-second wavy side, 22-second fixed seat. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] The present application will be further described below in combination with the drawings and specific embodiments.

[0024] In an embodiment of the present application:

[0025] As shown in Figures 1 to 6 A boiler tube screen interpositioning device, the device comprises a fixed pipe clamp, the fixed pipe clamp comprises a left fixed pipe clamp 1 and a right fixed pipe clamp 2 matched with each other, the left fixed pipe clamp 1 comprises a first wavy side 11 and a first fixed seat 13, the bottom of the first wavy side 11 is connected with the top of the first fixed seat 13, the fixed blocks 12 are arranged at the wave crests of the first wavy side 11, and the first fixed seat 13 is provided with a first semicylindrical groove.

[0026] The right fixed pipe clamp 2 comprises a second wavy side 21 and a second fixed seat 22, the bottom of the second wavy side 21 is connected with the top of the second fixed seat 22, and the second wavy side 21 cooperates with the first wavy side 11 and the second fixed seat 22 cooperates with the first fixed seat 13, the peaks of the second wavy side 21 are provided with strip-shaped holes for the fixed block 12 to penetrate, the second fixed seat 22 is provided with a second semi-cylindrical groove cooperating with the first semi-cylindrical groove, and the second wavy side 21 cooperates with the first wavy side 11 to form four first channels 7 for the tube panel 8 to penetrate, and the first semi-cylindrical groove cooperates with the second semi-cylindrical groove to form a second channel 10 for the positioning pipe 9 to penetrate.

[0027] The left fixed pipe clamp 1 and the right fixed pipe clamp 2 cooperate to form a hoop-shaped positioning device, and the connection and fixing strength of the positioning device is strengthened, the first fixed seat 13 and the second fixed seat 22 are provided with holes for the bolt 5 to penetrate, the positions of the holes of the first fixed seat 13 correspond to the positions of the holes of the second fixed seat 22, the bolt 5 penetrates the holes of the first fixed seat 13 and the holes of the second fixed seat 22 in sequence and is fixed by the nut 6. When the tube panel 8 is placed vertically, the tube panel 8 is clamped by the left fixed pipe clamp 1 and the right fixed pipe clamp 2, the fixed block 12 of the left fixed pipe clamp 1 penetrates the strip-shaped hole of the right fixed pipe clamp 2, then the bolt 5 penetrates the holes of the first fixed seat 13 and the second fixed seat 22, and the nut 6 is tightened to fix the position of the tube panel 8 so that the tube panel 8 does not move, then the positioning pipe 9 penetrates the second channel 10 for secondary positioning, and the fixed block 12 of the left fixed pipe clamp 1 can penetrate the strip-shaped hole of the right fixed pipe clamp 2 for fixation, or the fixed block 12 and the strip-shaped hole can be directly welded and fixed, and then Figure 2 The rightmost end of the first wavy side 11 and the rightmost end of the second wavy side 21 are welded and fixed.

[0028] In another embodiment of the present application:

[0029] On the basis of the previous embodiment, the tube panel 8 and the positioning pipe 9 are improved, two first positioning round steels 3 are welded on the outer surface of the tube panel 8 and are located on the same horizontal plane, and the position clamped by the fixed pipe clamp is above the two first positioning round steels 3, so that the fixed pipe clamp is pushed by the two first positioning round steels 3 and cannot fall off.

[0030] Two second positioning round steels 4 are welded on the outer surface of the positioning pipe 9 and are located on the same horizontal plane, and the position clamped by the fixed pipe clamp is in the middle of the two second positioning round steels 4, so that the fixed pipe clamp is limited in position by the two second positioning round steels 4 and cannot move randomly.

[0031] The above merely illustrates the embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall fall within the protection scope of the claims of the present application.

Claims

1. A boiler panel-to-panel positioning device, characterized by: The utility model provides a fixing pipe clamp, which comprises a left fixing pipe clamp (1) and a right fixing pipe clamp (2), the left fixing pipe clamp (1) comprises a first wavy side (11) and a first fixing base (13), the bottom of the first wavy side (11) is connected with the top of the first fixing base (13), a fixing block (12) is arranged at the crest of the first wavy side (11), and the first fixing base (13) is provided with a first semicylindrical groove; The right fixing pipe clamp (2) comprises a second wavy side (21) and a second fixing base (22), the bottom of the second wavy side (21) is connected with the top of the second fixing base (22), the second wavy side (21) is matched with the first wavy side (11), and the second fixing base (22) is matched with the first fixing base (13), a strip-shaped hole for the fixing block (12) to penetrate is arranged at the crest of the second wavy side (21), the second fixing base (22) is provided with a second semicylindrical groove matched with the first semicylindrical groove, the first channel (7) for the tube panel (8) to penetrate is formed after the second wavy side (21) is matched with the first wavy side (11), and the second channel (10) for the positioning pipe (9) to penetrate is formed after the first semicylindrical groove is matched with the second semicylindrical groove.

2. A boiler panel-to-panel positioning device according to claim 1, wherein: The tube panel (8) is provided with a first positioning round steel (3).

3. A boiler panel-to-panel positioning device according to claim 2, wherein: The tube panel (8) is provided with two first positioning round steels (3) located on the same horizontal plane, and the top of the two first positioning round steels (3) is in contact with the bottom of the fixing pipe clamp.

4. A boiler panel-to-panel positioning device as defined in claim 1 wherein: The positioning pipe (9) is provided with a second positioning round steel (4).

5. A boiler panel-to-panel positioning device as defined in claim 4 wherein: The positioning pipe (9) is provided with two second positioning round steels (4) located on the same horizontal plane, and the two second positioning round steels (4) are distributed on the two sides of the fixing pipe clamp.

6. A boiler panel-to-panel positioning device as defined in claim 1 wherein: The first fixing base (13) and the second fixing base (22) are provided with holes for the bolt (5) to penetrate, and the position of the hole of the first fixing base (13) corresponds to the position of the hole of the second fixing base (22).

7. A boiler panel-to-panel positioning device as defined in claim 6 wherein: The bolt (5) penetrates the hole of the first fixing base (13) and the hole of the second fixing base (22) in sequence and is fixed by being screwed with the nut (6).

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