CN210319980U

CN210319980U - Fixing device for heating surface in supercritical tower boiler

Info

Publication number: CN210319980U
Application number: CN201921273741.1U
Authority: CN
Inventors: 张超; 王晓飞; 王鑫
Original assignee: Datang Yuncheng Power Generation Co Ltd
Current assignee: Datang Yuncheng Power Generation Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-14
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a heating surface fixing device in supercritical tower boiler stove, including heated pipe way, connecting device and connecting bolt, be provided with fixed mobile jib on the heated pipe way, and the outside of fixed mobile jib installs spacing fixed block, the tight piece of first clamp and the tight piece of second clamp, spacing fixed block is located between the tight piece of first clamp and the tight piece of second clamp, and the front end centre gripping of the tight piece of first clamp and the tight piece of second clamp has the heated pipe way, be provided with the connection fixture block on the tight piece of first clamp and the tight piece of second clamp, the connection screw has been seted up on the spacing fixed block, and the internally mounted who connects the screw has connecting bolt. According to the fixing device for the heating surface in the supercritical tower type boiler, the heating pipeline can be clamped through the first clamping block and the second clamping block, the disassembly and assembly performance of the heating pipeline can be facilitated, the fixing position of the heating pipeline can be changed through the limiting fixing blocks with different thicknesses, and therefore the using function of the fixing device can be improved.

Description

Fixing device for heating surface in supercritical tower boiler

Technical Field

The utility model relates to a tower boiler technical field specifically is heating surface fixing device in supercritical tower boiler stove.

Background

The heating surface in the supercritical tower boiler is generally formed by assembling pipelines, and in the process of assembling the pipelines, a fixing device is required to be used to ensure the stable state of the heating surface in the boiler, but certain problems exist in the use of the existing fixing device;

for example, some fixing devices cannot effectively change the fixing position of the heating surface in the boiler, so that the heating surface in the boiler is affected, and some fixing devices are inconvenient to disassemble and assemble the heating surface in the boiler and replace the heating surface in the boiler, so that the fixing device for the heating surface in the supercritical tower type boiler is provided, so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating surface fixing device in supercritical tower boiler stove to some can't carry out effectual changes to stove heating surface fixed position on solving the existing market that above-mentioned background art provided, fixing device in addition is still inconvenient carries out the problem of dismouting work to the heating surface in the boiler stove.

In order to achieve the above object, the utility model provides a following technical scheme: the fixing device for the heating surface in the supercritical tower type boiler comprises a heated pipeline, a connecting device and a connecting bolt, wherein the connecting device is installed at two ends of the heated pipeline, a fixed main rod is arranged on the heated pipeline, a limiting fixed block, a first clamping block and a second clamping block are installed on the outer side of the fixed main rod, the limiting fixed block is located between the first clamping block and the second clamping block, the heated pipeline is clamped at the front ends of the first clamping block and the second clamping block, a connecting clamping block is arranged on the first clamping block and the second clamping block, a connecting clamping groove is formed in the limiting fixed block, a connecting screw hole is formed in the limiting fixed block, and the connecting bolt is installed inside the connecting screw hole.

Preferably, the fixed main rod penetrates through the limiting fixed block, the first clamping block and the second clamping block, and the width sizes of the limiting fixed block, the first clamping block and the second clamping block are equal.

Preferably, the front ends of the first clamping block and the second clamping block are circular arc structures, and the size of the circular arc structures is equal to the external size of the heated pipeline.

Preferably, the connecting clamping blocks on the outer sides of the first clamping block and the second clamping block are embedded in the connecting clamping grooves in the limiting fixing blocks, and the limiting fixing blocks, the first clamping block and the second clamping block are in contact connection with each other.

Preferably, the front end of the connecting bolt penetrates through the limiting fixing block through a connecting screw hole, and a part in extrusion contact is arranged between the front end of the connecting bolt and the fixing main rod.

Compared with the prior art, the beneficial effects of the utility model are that: the fixing device for the heating surface in the supercritical tower type boiler;

(1) the fixing device is provided with the fixing main rod, so that the whole fixing device can form an integrated structure, the fixed state of the heating surface in the boiler can be ensured to be stable, and the heating surface in the boiler can work safely;

(2) the fixed main rod is provided with a limiting fixed block, a first clamping block and a second clamping block, the heated pipeline can be clamped through the first clamping block and the second clamping block, the disassembly and assembly performance of the heated pipeline can be facilitated, and the fixed position of the heated pipeline can be changed by using the limiting fixed blocks with different thicknesses, so that the use function of the fixing device can be improved;

(3) still be provided with between spacing fixed block, first clamp piece and the second clamp piece and connect fixture block and connecting slot, through connecting fixture block and connecting slot's setting, can guarantee the steadiness of connection state between spacing fixed block, first clamp piece and the second clamp piece to can guarantee the stable operating condition of this fixing device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention.

In the figure: 1. a heat receiving pipe; 2. a connecting device; 3. fixing the main rod; 4. a limit fixing block; 5. a first clamping block; 6. a second clamping block; 7. connecting a clamping block; 8. a connecting clamping groove; 9. a connecting screw hole; 10. and connecting the bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a fixing device for a heating surface in a supercritical tower boiler comprises a heated pipeline 1, a connecting device 2, a fixed main rod 3, a limiting fixed block 4, a first clamping block 5, a second clamping block 6, a connecting clamping block 7, a connecting clamping groove 8, a connecting screw hole 9 and a connecting bolt 10, wherein the connecting device 2 is arranged at two ends of the heated pipeline 1, the fixed main rod 3 is arranged on the heated pipeline 1, and the outer side of the fixed main rod 3 is provided with a limit fixed block 4, a first clamping block 5 and a second clamping block 6, the limit fixed block 4 is positioned between the first clamping block 5 and the second clamping block 6, the front ends of the first clamping block 5 and the second clamping block 6 are clamped with the heated pipeline 1, the first clamping block 5 and the second clamping block 6 are provided with connecting clamping blocks 7, the limiting fixing block 4 is provided with connecting clamping grooves 8, the limiting fixing block 4 is provided with connecting screw holes 9, and the connecting screw holes 9 are internally provided with connecting bolts 10.

Fixed mobile jib 3 runs through spacing fixed block 4, first clamp piece 5 and the tight piece 6 of second clamp, and spacing fixed block 4, the width dimension that first clamp piece 5 and the tight piece 6 of second clamp equals, can guarantee each group's spacing fixed block 4, first clamp piece 5 and the tight piece 6 of second clamp can constitute a unified main part, thereby make whole fixing device can keep stable operating condition, also can avoid spacing fixed block 4 simultaneously, the tight piece 6 of first clamp and the tight piece 6 of second clamp is because of the inconvenient condition that the size difference caused.

The front ends of the first clamping block 5 and the second clamping block 6 are of circular arc structures, the size of the circular arc structures is equal to the external size of the heated pipeline 1, the heated pipeline 1 can be stably clamped between the first clamping block 5 and the second clamping block 6, the heated pipeline 1 is stably fixed, meanwhile, the first clamping block 5 and the second clamping block 6 can be conveniently connected with the heated pipeline 1, and the use efficiency of the fixing device is improved.

The connecting clamping block 7 outside the first clamping block 5 and the second clamping block 6 is embedded in the connecting clamping groove 8 on the limiting fixing block 4, the limiting fixing block 4 is arranged, the first clamping block 5 and the second clamping block 6 are in contact connection with each other, and through the connecting clamping block 7 and the connecting clamping groove 8, the stable connection state between the limiting fixing block 4 and the first clamping block 5 and the second clamping block 6 can be ensured, so that the displacement of the limiting fixing block 4 between the first clamping block 5 and the second clamping block 6 is effectively avoided, and the working stability of the fixing device is improved.

The front end of the connecting bolt 10 penetrates through the limiting fixing block 4 through the connecting screw hole 9, and the front end of the connecting bolt 10 and the fixing main rod 3 are in extrusion contact with each other, so that the position of the limiting fixing block 4 on the fixing main rod 3 can be kept unchanged, the fixing state of the heated pipeline 1 can be stable, and the stable working state of the fixing device is improved.

The working principle is as follows: firstly, the heated pipelines 1 and the connecting device 2 are required to be arranged in the supercritical tower boiler, then the distribution positions of the heated pipelines 1 are fixed by the fixing device (as shown in figure 1), when the fixing device is used, the fixed size among the heated pipelines 1 can be firstly determined, then the limit fixing block 4 with proper thickness is selected, then a limit fixing block 4 can be arranged at a proper position on the fixed main rod 3, then the limit fixing block 4 can be fixed on the fixed main rod 3 by the connecting bolt 10 through the connecting screw hole 9 on the limit fixing block 4, then the first clamping block 5 and the second clamping block 6 are arranged on the fixed main rod 3, the positions of the first clamping block 5 and the second clamping block 6 on the fixed main rod 3 can be limited under the action of the limit fixing block 4, and the heated pipelines 1 can be arranged between the front ends of the first clamping block 5 and the second clamping block 6, the heat-receiving pipeline 1 is clamped by the first clamping block 5 and the second clamping block 6, finally, the limiting fixing block 4 is installed again, and the first clamping block 5 and the second clamping block 6 can be in a stable clamping state (as shown in figures 2-3) for the heat-receiving pipeline 1 through the clamping state of the limiting fixing blocks 4 on the upper side and the lower side of the first clamping block 5 and the second clamping block 6, so that the fixing work of the heat-receiving pipeline 1 is completed;

according to the above manner, the fixed position of the heated pipe 1 can be fixed by sequentially fixing the limiting fixed block 4, the first clamping block 5 and the second clamping block 6 on the fixed main rod 3, and when the limiting fixed block 4, the first clamping block 5 and the second clamping block 6 are in superposition contact, the connecting position can be fixed by the connecting clamping block 7 and the connecting clamping groove 8, so that a stable connecting state among the limiting fixed block 4, the first clamping block 5 and the second clamping block 6 is ensured, and the use work of the fixing device is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Heating surface fixing device in supercritical tower boiler stove, including heated pipe way (1), connecting device (2) and connecting bolt (10), its characterized in that: connecting devices (2) are installed at two ends of the heated pipeline (1), a fixed main rod (3) is arranged on the heated pipeline (1), a limiting fixed block (4), a first clamping block (5) and a second clamping block (6) are installed on the outer side of the fixed main rod (3), the limiting fixed block (4) is located between the first clamping block (5) and the second clamping block (6), the heated pipeline (1) is clamped at the front end of the first clamping block (5) and the front end of the second clamping block (6), a connecting clamping block (7) is arranged on the first clamping block (5) and the second clamping block (6), a connecting clamping groove (8) is formed in the limiting fixed block (4), a connecting screw hole (9) is formed in the limiting fixed block (4), and a connecting bolt (10) is installed inside the connecting screw hole (9).

2. The fixing device for the heating surface in the supercritical tower boiler according to claim 1, characterized in that: the fixed main rod (3) penetrates through the limiting fixed block (4), the first clamping block (5) and the second clamping block (6), and the width sizes of the limiting fixed block (4), the first clamping block (5) and the second clamping block (6) are equal.

3. The fixing device for the heating surface in the supercritical tower boiler according to claim 1, characterized in that: the front ends of the first clamping block (5) and the second clamping block (6) are of circular arc structures, and the size of the circular arc structures is equal to the external size of the heated pipeline (1).

4. The fixing device for the heating surface in the supercritical tower boiler according to claim 1, characterized in that: the connecting clamping block (7) on the outer sides of the first clamping block (5) and the second clamping block (6) are embedded in a connecting clamping groove (8) in the limiting fixing block (4), and the limiting fixing block (4), the first clamping block (5) and the second clamping block (6) are in contact connection with each other.

5. The fixing device for the heating surface in the supercritical tower boiler according to claim 1, characterized in that: the front end of the connecting bolt (10) penetrates through the limiting fixing block (4) through the connecting screw hole (9), and a part in extrusion contact is arranged between the front end of the connecting bolt (10) and the fixing main rod (3).