Anti-falling device for vertical steam pipeline of thermal power plant

Abstract

The utility model relates to the field of steam pipelines, in particular to a thermal power plant vertical steam pipeline anti-falling device which comprises an inner tooth groove anti-falling half cylinder, an outer tooth groove anti-falling half cylinder, a steel plate, a fixing arch plate and a reinforcing plate. The outer side wall of the inner tooth groove anti-disengagement half cylinder and the steel plate are fixedly installed in a welded mode, the reinforcing plates are installed on the front side wall and the rear side wall of the steel plate, the fixing arch plates are installed outside the reinforcing plates, the inner tooth groove anti-disengagement half cylinder and the outer tooth groove anti-disengagement half cylinder are arranged on the outer wall of a steam pipe in a sleeving mode, and the outer tooth groove anti-disengagement half cylinder is rotated to enable the second clamping teeth and the first clamping teeth to be clamped. And the effect of firm connection can be achieved, and the situation of falling off caused by looseness is avoided.

Description

Technical Field

[0001] This utility model relates to the field of steam pipelines, specifically to a device for preventing vertical steam pipelines in thermal power plants from falling off. Background Technology

[0002] The main methods for preventing vertical steam pipes from falling off include the support fixing method, the hanger fixing method, and the combined support and hanger method. Each method has its own characteristics and is suitable for different scenarios and needs. The support fixing method often uses L-shaped brackets in conjunction with fixing clamps for fixation. This fixing structure is prone to loosening, posing certain safety hazards. Therefore, those skilled in the art have provided a device for preventing vertical steam pipes in thermal power plants from falling off, to solve the problems mentioned in the background art. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a device for preventing the vertical steam pipeline of a thermal power plant from falling off, including an inner toothed anti-falling half cylinder, an outer toothed anti-falling half cylinder, a steel plate, a fixed bow plate and a reinforcing plate. The inner toothed anti-falling half cylinder and the outer toothed anti-falling half cylinder are rotatably installed together. The outer wall of the inner toothed anti-falling half cylinder is welded and fixedly installed between the outer side wall of the inner toothed anti-falling half cylinder and the steel plate. Reinforcing plates are installed on the front and rear side walls of the steel plate, and a fixed bow plate is installed outside the reinforcing plates.

[0004] Preferably, the inner sidewall of the inner tooth groove anti-detachment half cylinder is provided with multiple No. 1 locking teeth at equal intervals, and No. 2 locking teeth can be rotatably engaged between the No. 1 locking teeth. The No. 2 locking teeth are installed on the outer sidewall of the outer tooth groove anti-detachment half cylinder. The inner tooth groove anti-detachment half cylinder is provided with a central shaft groove in the middle position. A No. 1 rotating groove is provided at the upper end of the central shaft groove, and a No. 2 rotating groove is provided at the lower end of the central shaft groove.

[0005] Preferably: a central shaft ring is rotatably installed in the central shaft groove, the central shaft ring is installed in the middle position of the anti-detachment half cylinder of the outer tooth groove, a first ring plate is installed at the upper end of the central shaft ring, a second ring plate is installed at the lower end of the central shaft ring, and the first ring plate, the second ring plate and the central shaft ring are connected by a limiting plate;

[0006] Preferably, the inner tooth groove anti-detachment half-cylinder is equipped with a No. 1 fixing ear plate on both the upper and lower side walls, and the outer tooth groove anti-detachment half-cylinder is equipped with a No. 2 fixing ear plate on both the upper and lower side walls. The No. 1 fixing ear plate and the No. 2 fixing ear plate are fixedly installed together by fixing bolts.

[0007] Preferably, the steel plate has multiple rib holes, and reinforcing plates are installed on the front and rear side walls of the steel plate. The reinforcing plates have bow grooves, and fixed bow plates are installed in the bow grooves. Fixed plates are installed at both the upper and lower ends of the fixed bow plates.

[0008] The technical effects and advantages of this utility model are as follows:

[0009] 1. Insert the inner toothed groove anti-detachment half cylinder and the outer toothed groove anti-detachment half cylinder into the outer wall of the steam pipe. Rotate the outer toothed groove anti-detachment half cylinder to make the No. 2 locking tooth and the No. 1 locking tooth engage, which can play a role in a firm connection and prevent loosening and falling off.

[0010] 2. The rotating connection structure has a rotation gap between the No. 2 tooth and the No. 1 ring plate, and the No. 2 ring plate. The No. 1 ring plate, the No. 2 ring plate and the central shaft ring are connected and installed by the limiting plate, so that the outer tooth groove anti-detachment half cylinder will not be blocked by rotation when rotating.

[0011] 3. The steel plate has multiple rib holes, through which steel bars can be inserted for stable installation with the wall. Reinforcing plates are installed on the front and rear side walls of the steel plate. The reinforcing plates have arch grooves, in which fixed arch plates are installed. Fixed plates are installed at the top and bottom of the fixed arch plates. The installation of multiple fixed structures improves the safety of the steam pipe installation to prevent it from falling off. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of an anti-fall-off device for vertical steam pipelines in thermal power plants provided in an embodiment of this application;

[0013] Figure 2 This is a schematic diagram of the structure of a vertical steam pipeline anti-falling device in a thermal power plant after rotation, provided in an embodiment of this application.

[0014] Figure 3 This is a schematic diagram of the explosion structure of an anti-fall-off device for vertical steam pipes in a thermal power plant, provided in an embodiment of this application. Figure 1 ;

[0015] Figure 4 This is a schematic diagram of the structure of an explosion prevention device for vertical steam pipes in thermal power plants, provided in an embodiment of this application. Figure 2 ;

[0016] Figure 5 This is a cross-sectional structural schematic diagram of a vertical steam pipeline anti-falling device for thermal power plants provided in an embodiment of this application.

[0017] In the diagram: 1. Inner tooth groove anti-detachment half cylinder; 2. Outer tooth groove anti-detachment half cylinder; 3. Steel plate; 4. Fixed bow plate; 5. Fixed bolt; 101. First fixed ear plate; 102. First locking tooth; 103. First rotating groove; 104. Second rotating groove; 105. Central shaft groove; 201. Second fixed ear plate; 202. Second locking tooth; 203. First ring plate; 204. Second ring plate; 205. Central shaft ring; 206. Limiting plate; 301. Rib hole; 302. Reinforcing plate; 303. Bow groove; 401. Fixed plate. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose. Example

[0019] Please see Figures 1-5 This embodiment provides a device for preventing the vertical steam pipeline of a thermal power plant from falling off, including an inner toothed anti-falling half cylinder 1, an outer toothed anti-falling half cylinder 2, a steel plate 3, a fixed bow plate 4, and a reinforcing plate 302. The inner toothed anti-falling half cylinder 1 and the outer toothed anti-falling half cylinder 2 are rotatably installed together. The outer side wall of the inner toothed anti-falling half cylinder 1 and the steel plate 3 are welded and fixedly installed together. The reinforcing plates 302 are installed on the front and rear side walls of the steel plate 3, and the fixed bow plate 4 is installed on the outside of the reinforcing plates 302.

[0020] Specifically, the inner sidewall of the inner toothed groove anti-detachment half-cylinder 1 is provided with multiple first-order locking teeth 102 at equal intervals. Second-order locking teeth 202 can be rotatably engaged between the first-order locking teeth 102. Second-order locking teeth 202 are installed on the outer sidewall of the outer toothed groove anti-detachment half-cylinder 2. A central shaft groove 105 is provided in the middle of the inner toothed groove anti-detachment half-cylinder 1. A first-order rotating groove 103 is provided at the upper end of the central shaft groove 105, and a second-order rotating groove 104 is provided at the lower end of the central shaft groove 105. A central shaft ring 205 is rotatably installed within the central shaft groove 105. The central shaft ring 205 is installed in the middle of the outer toothed groove anti-detachment half-cylinder 2. A first-order ring plate 203 is installed at the upper end of the central shaft ring 205, and a second-order rotating groove 104 is installed at the lower end of the central shaft ring 205. A second ring plate 204 is installed at the end position. The first ring plate 203, the second ring plate 204 and the central shaft ring 205 are connected by a limiting plate 206. The first fixing ear plate 101 is installed on the upper and lower side walls of the inner tooth groove anti-detachment half cylinder 1. The second fixing ear plate 201 is installed on the upper and lower side walls of the outer tooth groove anti-detachment half cylinder 2. The first fixing ear plate 101 and the second fixing ear plate 201 are fixedly installed by a fixing bolt 5. The steel plate 3 has multiple rib holes 301. The front and rear side walls of the steel plate 3 are equipped with reinforcing plates 302. The reinforcing plates 302 have bow grooves 303. The bow grooves 303 are installed with fixed bow plates 4. The upper and lower ends of the fixed bow plates 4 are equipped with fixing plates 401.

[0021] The working principle of this utility model is as follows:

[0022] In a vertical steam pipe anti-detachment device for a thermal power plant, the inner toothed anti-detachment half-cylinder 1 and the outer toothed anti-detachment half-cylinder 2 are fitted onto the outer wall of the steam pipe. Rotating the outer toothed anti-detachment half-cylinder 2 engages the second locking tooth 202 with the first locking tooth 102, providing a secure connection and preventing loosening and detachment. This rotating connection structure has a rotational gap between the second locking tooth 202 and the first ring plate 203 and the second ring plate 204. The first ring plate 203 is secured by a limiting plate 206. The second ring plate 204 and the central shaft ring 205 are connected and installed so that the outer toothed groove anti-detachment half cylinder 2 will not be blocked by rotation when rotating. The steel plate 3 is provided with multiple rib holes 301, through which steel bars can be inserted for stable installation with the wall. Reinforcing plates 302 are installed on the front and rear side walls of the steel plate 3. The reinforcing plates 302 are provided with bow grooves 303. Fixed bow plates 4 are installed in the bow grooves 303. Fixed plates 401 are installed at the upper and lower ends of the fixed bow plates 4. The installation of multiple fixed structures improves the safety of the steam pipe anti-detachment installation.

[0023] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A device for preventing a vertical steam pipe of a thermal power plant from falling off, characterized in that, Including inner tooth groove anti-off half cylinder (1), outer tooth groove anti-off half cylinder (2), steel plate (3), fixed bow plate (4) and reinforcing plate (302), inner tooth groove anti-off half cylinder (1) and outer tooth groove anti-off half cylinder (2) are rotatably installed, the outer side wall of inner tooth groove anti-off half cylinder (1) and steel plate (3) are welded and fixedly installed, the front and rear side walls of steel plate (3) are installed with reinforcing plate (302), and reinforcing plate (302) is installed with fixed bow plate (4) outside.

2. The device for preventing the vertical steam pipe from falling off in the thermal power plant according to claim 1, characterized in that, The inner side wall of the inner tooth groove anti-off half cylinder (1) is provided with a plurality of first clamping teeth (102) at equal intervals, the first clamping teeth (102) are rotatably clamped into the second clamping teeth (202), and the second clamping teeth (202) are installed on the outer side wall of the outer tooth groove anti-off half cylinder (2).

3. The device according to claim 2, wherein, The inner tooth groove anti-off half cylinder (1) is provided with a middle shaft groove (105) at the middle position of the inside, a first rotating groove (103) is arranged at the upper end position of the middle shaft groove (105), and a second rotating groove (104) is arranged at the lower end position of the middle shaft groove (105).

4. The device for preventing the vertical steam pipe from falling off in the thermal power plant according to claim 3, characterized in that, The middle shaft ring (205) is rotatably installed in the middle shaft groove (105), and the middle shaft ring (205) is installed at the middle position of the outer tooth groove anti-off half cylinder (2).

5. The device for preventing the vertical steam pipe from falling off in the thermal power plant according to claim 4, characterized in that, The upper end position of the middle shaft ring (205) is provided with a first ring plate (203), the lower end position of the middle shaft ring (205) is provided with a second ring plate (204), and the first ring plate (203), the second ring plate (204) and the middle shaft ring (205) are installed through the limiting plate (206).

6. The device for preventing the vertical steam pipe from falling off in the thermal power plant according to claim 3, characterized in that, The upper and lower side walls of the inner tooth groove anti-off half cylinder (1) are provided with a first fixed lug plate (101), the upper and lower side walls of the outer tooth groove anti-off half cylinder (2) are provided with a second fixed lug plate (201), and the first fixed lug plate (101) and the second fixed lug plate (201) are fixedly installed through the fixed bolt (5).

7. The device according to claim 1, wherein, The steel plate (3) is provided with a plurality of rib holes (301), the front and rear side walls of the steel plate (3) are provided with reinforcing plates (302), and the reinforcing plates (302) are provided with bow grooves (303).

8. The device according to claim 7, characterized in that, The fixed bow plate (4) is installed in the bow groove (303), and the fixed bow plate (4) is provided with a fixed plate (401) at the upper and lower ends.

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