A boiler overhauling device for a thermal power plant building

Abstract

The utility model provides a kind of thermal power plant boiler overhauling device, it is related to thermal power plant boiler overhauling technical field, and it includes: adjusting mechanism, hoisting mechanism and stabilizing mechanism;The hoisting mechanism includes lifting block, the bottom fixed mounting sling of the lifting block, the bottom fixed connection mounting plate of the sling, the bottom fixed mounting maintenance box of the mounting plate, the side hinged connection door plate of the maintenance box.In the utility model, by the inside fixed mounting fixed foot cover of maintenance box, two safety ropes are fixedly installed on the inner wall of maintenance box, a buckle is fixedly installed on one end of one safety rope, a clamping block is fixedly installed on one end of another safety rope, during overhauling, foot is inserted into fixed foot cover, which is convenient for auxiliary fixing, maintains the balance and stability of body, safety rope is looped around waist, and the staff is fixed by using buckle and clamping block, which improves safety and reduces safety hazards during overhauling.

Description

Technical Field

[0001] This utility model relates to the field of boiler maintenance technology in thermal power plants, and in particular to a boiler maintenance device for thermal power plants. Background Technology

[0002] A power plant boiler, also known as a "power turbine boiler," refers to a medium-to-large-sized boiler in a power plant that provides a specified quantity and quality of steam to the steam turbine. It is one of the main thermal power equipment in a thermal power plant. It is often paired with a steam turbine generator set of a certain capacity, primarily for power generation, but in some special circumstances, it can also be used for external heating. During long-term use, boilers in thermal power plants require maintenance. Typically, a maintenance vehicle equipped with a hydraulic system is used to transport maintenance personnel to the boiler's external surface for repair work.

[0003] In the existing technology, when overhauling boilers in thermal power plants, the maintenance box has few connection points with the hydraulic system, which affects the stability of the maintenance box. During the hoisting process, the maintenance box will shake, which will affect the standing balance and pose a certain safety hazard. In addition, some maintenance equipment has poor stability. When using it to overhaul thermal power boilers, it will shake and require repeated adjustment of the equipment position, which affects the efficiency of maintenance. Utility Model Content

[0004] The purpose of this utility model is to solve the problems in the existing technology where, when overhauling boilers in thermal power plants, the maintenance box has few connection points with the hydraulic system, affecting its stability. During hoisting, the maintenance box will shake, affecting its balance and posing a safety hazard. Furthermore, some maintenance equipment has poor stability, causing shaking when used to overhaul thermal power boilers, requiring repeated adjustments to the equipment's position and affecting maintenance efficiency. Therefore, this utility model proposes a boiler maintenance device for thermal power plants.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: It includes an adjustment mechanism, a hoisting mechanism, and a stabilizing mechanism; the hoisting mechanism includes a hoisting block, a hoisting rope fixedly installed at the bottom of the hoisting block, a mounting plate fixedly connected to the bottom of the hoisting rope, a maintenance box fixedly installed at the bottom of the mounting plate, a door panel hinged to one side of the maintenance box, a fixing foot sleeve fixedly installed inside the maintenance box, a spring fixedly installed at one end of the fixing foot sleeve, one end of the spring connected to the bottom interior of the maintenance box, and two safety ropes fixedly installed on the inner wall of the maintenance box, one end of one safety rope fixedly installed with a buckle, and the other end of the safety rope fixedly installed with a locking block, the buckle engaging with the locking block.

[0006] Preferably, the stabilizing mechanism includes a first connecting plate, the interior of which is rotatably connected to a first rotating shaft, the outer wall of which is fixedly fitted with a first support plate, the interior of which is rotatably connected to a second rotating shaft, and the outer wall of which is fixedly connected to a second support plate.

[0007] Preferably, a third rotating shaft is inserted through the interior of the second support plate, and the two ends of the third rotating shaft are rotatably connected to the second connecting plate. Positioning ropes are fixedly connected to both sides of the first support plate.

[0008] Preferably, the adjustment mechanism includes a maintenance vehicle, the top of which is fixedly mounted with a mounting base, and a motor is fixedly mounted inside the mounting base.

[0009] Preferably, a turntable is fixedly installed at the output end of the motor, and a first telescopic rod is fixedly installed on the top of the turntable.

[0010] Preferably, a connecting block is fixedly installed at the telescopic end of the first telescopic rod, and a second telescopic rod is fixedly installed on one side of the connecting block.

[0011] Preferably, the telescopic end of the second telescopic rod is fixedly connected to one side of the lifting block, one end of the first connecting plate is fixedly connected to the outer wall of the first telescopic rod, and one end of the second connecting plate is fixedly connected to one end of the maintenance box.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. In this utility model, fixed foot covers are fixedly installed inside the maintenance box, and two safety ropes are fixedly installed on the inner wall of the maintenance box. A buckle is fixedly installed at one end of one safety rope, and a locking block is fixedly installed at one end of the other safety rope. During maintenance, the feet are inserted into the fixed foot covers for easy fixation, maintaining the body's balance and stability. The safety ropes are wrapped around the waist and secured with the buckle and locking block to fix the workers, improving safety and reducing safety hazards during maintenance.

[0014] 2. In this utility model, when adjusting the length of the first telescopic rod and the second telescopic rod to control the position of the maintenance box, the first rotating shaft and the first connecting plate will be rotated and connected, the second rotating shaft will be rotated and connected to the first support plate, and the third rotating shaft will be rotated and connected to the second connecting plate, which facilitates the fixation of the maintenance box and increases the stability of the device during use. Attached Figure Description

[0015] Figure 1 This utility model provides a perspective view of a boiler maintenance device for a thermal power plant.

[0016] Figure 2 A perspective view of the regulating mechanism in a boiler maintenance device for a thermal power plant is provided for this utility model.

[0017] Figure 3 A perspective view of a hoisting mechanism in a boiler maintenance device for a thermal power plant is provided for this utility model.

[0018] Figure 4 This utility model presents a perspective view of a stabilizing mechanism in a boiler maintenance device for a thermal power plant.

[0019] Legend: 1. Adjustment mechanism; 101. Repair vehicle; 102. Mounting base; 103. Motor; 104. Turntable; 105. First telescopic rod; 106. Connecting block; 107. Second telescopic rod; 2. Lifting mechanism; 201. Lifting block; 202. Lifting rope; 203. Mounting plate; 204. Repair box; 205. Door panel; 206. Fixed foot cover; 207. Spring; 208. Safety rope; 209. Buckle; 210. Locking block; 3. Stabilizing mechanism; 301. First connecting plate; 302. First rotating shaft; 303. First support plate; 304. Second rotating shaft; 305. Second support plate; 306. Third rotating shaft; 307. Second connecting plate; 308. Positioning rope. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1, such as Figures 1-4 As shown, this utility model provides a boiler maintenance device for a thermal power plant, including: an adjustment mechanism 1, a hoisting mechanism 2, and a stabilizing mechanism 3; the hoisting mechanism 2 includes a hoisting block 201, a hoisting rope 202 fixedly installed at the bottom of the hoisting block 201, a mounting plate 203 fixedly connected to the bottom of the hoisting rope 202, a maintenance box 204 fixedly installed at the bottom of the mounting plate 203, a door panel 205 hinged to one side of the maintenance box 204, a fixing foot sleeve 206 fixedly installed inside the maintenance box 204, a spring 207 fixedly installed at one end of the fixing foot sleeve 206, one end of the spring 207 connected to the bottom interior of the maintenance box 204, two safety ropes 208 fixedly installed on the inner wall of the maintenance box 204, a buckle 209 fixedly installed at one end of one safety rope 208, and a locking block 210 fixedly installed at one end of the other safety rope 208, with the buckle 209 engaging with the locking block 210.

[0023] The overall effect of Embodiment 1 is that, during Class B maintenance of the boiler, the hoisting mechanism 2 is lifted to the top of the boiler by connecting the hoisting block 201 to the hydraulic system. The maintenance box 204 adopts a fully enclosed design, with a door panel 205 on one side to facilitate the entry and exit of personnel. After the personnel enter the maintenance box 204, the buckles 209 and the locking blocks 210 installed at one end of the two safety ropes 208 are used to fix the personnel. The maintenance box 204 is equipped with fixed foot covers 206. By inserting the shoe upper into the fixed foot covers 206, the feet are fixed to help the personnel stand stably. After the safety is guaranteed, tools are used to clean the inner wall of the boiler and monitor the sealing of the furnace wall. A lifting block 201 is fixedly installed at the telescopic end of the second telescopic rod 107. A lifting rope 202 is fixedly installed at the bottom of the lifting block 201. A mounting plate 203 is fixedly connected to the bottom of the lifting rope 202. The bottom of the mounting plate 203 is fixedly connected to the top of the maintenance box 204 to facilitate support and fixation of the maintenance box 204. A door panel 205 is hinged to one side of the maintenance box 204 to facilitate entry and exit. A fixing foot sleeve 206 is fixedly installed inside the maintenance box 204. A spring 207 is fixedly installed at one end of the fixing foot sleeve 206. The bottom of the spring 207 is connected to the top of the maintenance box 204. The inner wall of the maintenance box 204 is fixedly connected with two safety ropes 208. A buckle 209 is fixedly installed at one end of one safety rope 208, and a block 210 is fixedly installed at one end of the other safety rope 208. The block 210 is set to engage with the buckle 209. During maintenance, the feet are inserted into the fixed foot sleeves 206 for auxiliary fixation, to maintain the body's balance and stability. The safety rope 208 is wrapped around the waist and engaged with the block 210 using the buckle 209 to fix the worker, improve safety, and reduce safety hazards during maintenance.

[0024] Example 2, as Figures 1-4As shown, the stabilizing mechanism 3 includes a first connecting plate 301, with a first rotating shaft 302 rotatably connected inside the first connecting plate 301. A first support plate 303 is fixedly sleeved on the outer wall of the first rotating shaft 302. A second rotating shaft 304 is rotatably connected inside the first support plate 303, and a second support plate 305 is fixedly connected to the outer wall of the second rotating shaft 304. A third rotating shaft 306 is inserted through the second support plate 305, with the two ends of the third rotating shaft 306 rotatably connected to the second connecting plate 307. Positioning ropes 308 are fixedly connected to both sides of the first support plate 303. The adjusting mechanism 1 includes a maintenance vehicle 101, with the top of the maintenance vehicle 101... A mounting base 102 is fixedly installed, and a motor 103 is fixedly installed inside the mounting base 102. A turntable 104 is fixedly installed at the output end of the motor 103, and a first telescopic rod 105 is fixedly installed on the top of the turntable 104. A connecting block 106 is fixedly installed at the telescopic end of the first telescopic rod 105, and a second telescopic rod 107 is fixedly installed on one side of the connecting block 106. The telescopic end of the second telescopic rod 107 is fixedly connected to one side of the lifting block 201, one end of the first connecting plate 301 is fixedly connected to the outer wall of the first telescopic rod 105, and one end of the second connecting plate 307 is fixedly connected to one end of the maintenance box 204.

[0025] The overall effect of Embodiment 2 is that, during boiler Class B maintenance hoisting operations, since the outer wall of the first connecting plate 301 is fixed to the first telescopic rod 105, and the second support plate 305 is rotatably connected to the first support plate 303, as the height of the maintenance box 204 rises during hoisting, the included angles between the second support plate 305 and the first support plate 303, and between the second support plate 305 and the second connecting block 307 change accordingly, increasing the connection between the second support plate 305 and the maintenance box 204, and assisting the maintenance box 204 in achieving stability during hoisting operations; the second support plate 305 adopts an adjustable design, and its length can be adjusted to adapt to the hoisting height and extension length of the maintenance box 204. A mounting base 102 is fixedly installed on the top of the maintenance vehicle 101. A motor 103 is fixedly installed inside the mounting base 102. A turntable 104 is fixedly installed at the output end of the motor 103. A first telescopic rod 105 is fixedly installed on the top of the turntable 104. The motor 103 drives the turntable 104 to rotate, facilitating the adjustment of the maintenance angle. Next, a connecting block 106 is fixedly installed at the telescopic end of the first telescopic rod 105. A second telescopic rod 107 is fixedly installed on one side of the connecting block 106. A lifting block 201 is fixedly installed at the telescopic end of the second telescopic rod 107. A first connecting plate 301 is fixedly installed on the outer wall of the first telescopic rod 105. A first rotating shaft 302 is rotatably connected inside the first connecting plate 301. A first support plate 303 is fixedly sleeved on the outer wall of the first rotating shaft 302. A second rotating shaft 304 is inserted, and a second support plate 305 is fixedly connected to the outer wall of the second rotating shaft 304. A third rotating shaft 306 is inserted inside the second support plate 305, and a second connecting plate 307 is rotatably connected to both ends of the third rotating shaft 306. One end of the second connecting plate 307 is fixedly connected to one side of the maintenance box 204. Positioning ropes 308 are fixedly installed on both sides of the first support plate 303, and one end of the positioning ropes 308 is fixedly connected to the outer wall of the first telescopic rod 105. When adjusting the length of the first telescopic rod 105 and the second telescopic rod 107, the first rotating shaft 302 and the first connecting plate 301 will be rotated and connected. The second rotating shaft 304 is rotatably connected to the first support plate 303, and the third rotating shaft 306 is rotatably connected to the second connecting plate 307, which facilitates the fixation of the maintenance box 204 and increases the stability of the device during use.

[0026] Working principle: When using this device, firstly, the maintenance vehicle 101 is set up to facilitate the mounting of the maintenance equipment. The maintenance vehicle 101 is a customized boiler maintenance vehicle, which can operate safely in the high temperature and high pressure environment of the boiler. The inspection vehicle 101 is equipped with a hydraulic system and auxiliary fixing devices to improve the safety and stability of the lifting and maintenance function.In use, the maintenance vehicle 101 is moved to the side of the boiler. A mounting base 102 is fixedly installed on the top of the maintenance vehicle 101. A motor 103 is fixedly installed inside the mounting base 102. A turntable 104 is fixedly installed at the output end of the motor 103. A first telescopic rod 105 is fixedly installed on the top of the turntable 104. The motor 103 drives the turntable 104 to rotate, facilitating the adjustment of the maintenance angle. Next, a connecting block 106 is fixedly installed at the telescopic end of the first telescopic rod 105. A second telescopic rod 107 is fixedly installed on one side of the connecting block 106. A lifting block 201 is fixedly installed at the telescopic end of the second telescopic rod 107. A lifting rope 202 is fixedly installed at the bottom of the lifting block 201. A mounting plate 203 is fixedly connected to the bottom of the inspection box 204, and the bottom of the mounting plate 203 is fixedly connected to the top of the inspection box 204 to facilitate the support and fixation of the inspection box 204. A door panel 205 is hinged to one side of the inspection box 204 to facilitate entry and exit. A fixing foot sleeve 206 is fixedly installed inside the inspection box 204, and a spring 207 is fixedly installed at one end of the fixing foot sleeve 206. The bottom of the spring 207 is fixedly connected to the inner wall of the inspection box 204. Two safety ropes 208 are fixedly installed on the inner wall of the inspection box 204. A buckle 209 is fixedly installed at one end of one safety rope 208, and a locking block 210 is fixedly installed at one end of the other safety rope 208. The locking block 210 and the buckle 209 are set to be connected. 09. During maintenance, the feet are inserted into the fixed foot sleeves 206 for auxiliary fixation, maintaining body balance and stability. The safety rope 208 is wrapped around the waist and secured with the buckle 209 and the locking block 210 to fix the worker, improving safety and reducing safety hazards during maintenance. Then, a first connecting plate 301 is fixedly installed on the outer wall of the first telescopic pole 105. A first rotating shaft 302 is rotatably connected inside the first connecting plate 301. A first support plate 303 is fixedly sleeved on the outer wall of the first rotating shaft 302. A second rotating shaft 304 is inserted inside the first support plate 303. A second support plate 305 is fixedly connected to the outer wall of the second rotating shaft 304. A third rotating shaft 306 is inserted inside the device. A second connecting plate 307 is rotatably connected to both ends of the third rotating shaft 306. One end of the second connecting plate 307 is fixedly connected to one side of the maintenance box 204. Positioning ropes 308 are fixedly installed on both sides of the first support plate 303. One end of the positioning rope 308 is fixedly connected to the outer wall of the first telescopic rod 105. When adjusting the length of the first telescopic rod 105 and the second telescopic rod 107, the first rotating shaft 302 and the first connecting plate 301 will be rotated and connected. The second rotating shaft 304 is rotatably connected to the first support plate 303, and the third rotating shaft 306 is rotatably connected to the second connecting plate 307. This facilitates the fixation of the maintenance box 204 and increases the stability of the device during use.

[0027] The wiring diagrams of the maintenance vehicle 101, motor 103, first telescopic rod 105, and second telescopic rod 107 in this utility model are common knowledge in the field. Their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control methods and wiring layouts of the maintenance vehicle 101, motor 103, first telescopic rod 105, and second telescopic rod 107 will not be explained in detail.

[0028] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A boiler maintenance device for a thermal power plant, characterized in that, include: Adjustment mechanism (1), hoisting mechanism (2) and stabilizing mechanism (3); The hoisting mechanism (2) includes a hoisting block (201), a hoisting rope (202) is fixedly installed at the bottom of the hoisting block (201), a mounting plate (203) is fixedly connected to the bottom of the hoisting rope (202), a maintenance box (204) is fixedly installed at the bottom of the mounting plate (203), a door panel (205) is hinged to one side of the maintenance box (204), a fixing foot sleeve (206) is fixedly installed inside the maintenance box (204), a spring (207) is fixedly installed at one end of the fixing foot sleeve (206), one end of the spring (207) is connected to the bottom interior of the maintenance box (204), two safety ropes (208) are fixedly installed on the inner wall of the maintenance box (204), a buckle (209) is fixedly installed at one end of one safety rope (208), and a locking block (210) is fixedly installed at one end of the other safety rope (208), and the buckle (209) is engaged with the locking block (210).

2. The boiler maintenance device for thermal power plants according to claim 1, characterized in that: The stabilizing mechanism (3) includes a first connecting plate (301), the interior of the first connecting plate (301) is rotatably connected to a first rotating shaft (302), the outer wall of the first rotating shaft (302) is fixedly sleeved with a first support plate (303), the interior of the first support plate (303) is rotatably connected to a second rotating shaft (304), and the outer wall of the second rotating shaft (304) is fixedly connected to a second support plate (305).

3. The boiler maintenance device for thermal power plants according to claim 2, characterized in that: A third rotating shaft (306) is inserted through the interior of the second support plate (305). The two ends of the third rotating shaft (306) are rotatably connected to the second connecting plate (307). Positioning ropes (308) are fixedly connected to both sides of the first support plate (303).

4. The boiler maintenance device for thermal power plants according to claim 3, characterized in that: The adjustment mechanism (1) includes a maintenance vehicle (101), a mounting base (102) is fixedly installed on the top of the maintenance vehicle (101), and a motor (103) is fixedly installed inside the mounting base (102).

5. The boiler maintenance device for thermal power plants according to claim 4, characterized in that: The output end of the motor (103) is fixedly mounted with a turntable (104), and the top of the turntable (104) is fixedly mounted with a first telescopic rod (105).

6. The boiler maintenance device for thermal power plants according to claim 5, characterized in that: A connecting block (106) is fixedly installed at the telescopic end of the first telescopic rod (105), and a second telescopic rod (107) is fixedly installed on one side of the connecting block (106).

7. The boiler maintenance device for thermal power plants according to claim 6, characterized in that: The telescopic end of the second telescopic rod (107) is fixedly connected to one side of the lifting block (201), one end of the first connecting plate (301) is fixedly connected to the outer wall of the first telescopic rod (105), and one end of the second connecting plate (307) is fixedly connected to one end of the maintenance box (204).

Images