CN218403573U

CN218403573U - Thermal power boiler overhauls elevating platform

Info

Publication number: CN218403573U
Application number: CN202222629899.6U
Authority: CN
Inventors: 陈捷
Original assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Current assignee: Huaneng Jinan Huangtai Power Generation Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-31
Anticipated expiration: 2032-10-08

Abstract

The utility model belongs to the technical field of thermal power boiler, especially, thermal power boiler overhauls elevating platform is when using to current maintenance platform, because gyro wheel and ground contact for whole platform fixed effect is poor, leads to easily that the swift current slides and rocks the phenomenon, thereby influences the problem of maintainer's safety, proposes following scheme now, and it includes the bottom plate, the top of bottom plate is rotated and is connected with the bracing piece that four symmetries set up, and the top of four bracing pieces is rotated and is connected with same locating rack, the top fixed mounting of locating rack has the motor, the output shaft of motor and the bracing piece fixed connection who corresponds, the bottom of bottom plate is rotated and is connected with the runner that four symmetries set up, be equipped with supporting mechanism on the bottom plate. The utility model is simple in operation, convenient to use can carry out the fixed stay to the device when going up and down to operate for personnel stably go up and down when overhauing thermal power boiler, and be convenient for carry when not overhauing.

Description

Thermal power boiler overhauls elevating platform

Technical Field

The utility model relates to a thermal power boiler technical field especially relates to a thermal power boiler overhauls elevating platform.

Background

Utility boilers are, in popular terms, boilers used by power plants to generate electricity. The general capacity is large, the main unit is 600MW, the advanced is an ultra-supercritical boiler, and the capacity can reach 1000MW. Utility boilers mainly have two types: pulverized coal furnaces and circulating fluidized bed boilers. These two types of boilers are the main types used in power stations. The most different between the fluidized bed furnace and the pulverized coal furnace is the different state of the fuel, namely liquid and pulverized coal, and the service life is long, the whole workload is large, and therefore when the furnace is damaged, the furnace needs to be repaired in time. However, the overall height of the conventional electric-thermal boiler is high, and the electric-thermal boiler needs to be repaired by overhauling the lifting platform.

When the existing maintenance platform is used, the roller is in contact with the ground, so that the fixing effect of the whole platform is poor, slipping and shaking are easily caused, and the safety of maintenance personnel is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current maintenance platform when using, because gyro wheel and ground contact for whole platform fixed effect is poor, leads to the swift current smooth phenomenon of rocking easily, thereby influences the shortcoming of maintainer's safety, and the fossil power boiler that provides overhauls the elevating platform.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a thermal power boiler overhauls elevating platform, includes the bottom plate, the top of bottom plate is rotated and is connected with the bracing piece that four symmetries set up, and the top of four bracing pieces is rotated and is connected with same locating rack, the top fixed mounting of locating rack has the motor, the output shaft of motor and the bracing piece fixed connection who corresponds, the bottom of bottom plate is rotated and is connected with the runner that four symmetries set up, be equipped with supporting mechanism on the bottom plate, supporting mechanism is connected with the bracing piece transmission, be equipped with drive mechanism on the bottom plate, drive mechanism is connected with the bracing piece transmission, and drive mechanism is connected with the support mechanism transmission, threaded connection has the connecting seat on the bracing piece, and fixed mounting has same landing slab between four connecting seats, the top fixed mounting of landing slab has the protecting box.

Preferably, the supporting mechanism comprises four symmetrically arranged supporting legs, the four supporting legs are slidably mounted on the bottom plate, a base plate is fixedly mounted at the bottom ends of the supporting legs, and a top plate is fixedly mounted at the tops of the supporting legs.

Preferably, drive mechanism includes the wedge briquetting that four symmetries set up, and four wedge briquetting slidable mounting are at the top of bottom plate, and fixed mounting has same connecting rod between two wedge briquetting of same one side, and the wedge briquetting is mutually supported with the roof that corresponds, and the connecting rod is connected with two bracing piece transmissions that correspond.

Preferably, set up the sliding hole that four symmetries set up on the bottom plate, the supporting leg all has seted up the spacing groove with the sliding hole sliding connection who corresponds on the both sides inner wall of sliding hole, and sliding connection has the stopper on the inner wall of spacing groove, stopper and the supporting leg fixed connection who corresponds, and the bottom fixed mounting of stopper has spacing spring, the bottom of spacing spring and the bottom inner wall fixed connection of spacing groove.

Preferably, the top fixed mounting of bottom plate has the fixed box that four symmetries set up, and sliding connection has the rack on the fixed box, with two racks and the connecting rod fixed connection that corresponds of one side, the one end fixed mounting of rack has the baffle, one side fixed mounting of baffle has reset spring, reset spring's one end and the fixed box fixed connection who corresponds, fixed mounting has the gear on the bracing piece, gear and the rack intermeshing that corresponds.

Preferably, the supporting rod is fixedly sleeved with a chain wheel, and the four chain wheels are engaged with the same chain.

Preferably, four sliding grooves are symmetrically formed in the top of the bottom plate, sliding rods are fixedly mounted on the inner walls of the sliding grooves, moving blocks are connected to the sliding rods in a sliding mode, and the moving blocks are fixedly connected with the corresponding wedge-shaped pressing blocks.

Compared with the prior art, the utility model has the advantages of:

(1) According to the scheme, the four chain wheels are meshed with the chains, so that the output shaft of the motor can drive the four support rods to rotate simultaneously, and the support rods are connected with the connecting seat through threads to drive the platform plate to lift;

(2) Because the mutually supporting of gear and rack, and the mutually supporting of wedge briquetting and roof for pivoted bracing piece can drive the wedge briquetting and remove, and then drives the supporting leg and carry out fixed stay, the fixed use of the device of being convenient for to the bottom plate.

The utility model is simple in operation, convenient to use can carry out the fixed stay to the device when going up and down to operate for personnel stably go up and down when overhauing thermal power boiler, and be convenient for carry when not overhauing.

Drawings

Fig. 1 is a schematic structural view of a thermal power boiler maintenance lifting platform provided by the utility model;

fig. 2 is a schematic view of a top view structure of a thermal power boiler maintenance lifting platform provided by the utility model;

FIG. 3 is a schematic view of a cross-sectional structure of a bottom plate of a thermal power boiler maintenance lifting platform provided by the utility model;

fig. 4 is a schematic three-dimensional structure diagram of a wedge-shaped pressing block and a connecting rod of a thermal power boiler overhaul lifting platform provided by the utility model;

fig. 5 is the utility model provides a partial structure schematic diagram of a thermal power boiler overhauls elevating platform.

In the figure: 1. a base plate; 2. a support bar; 3. a positioning frame; 4. a motor; 5. a connecting seat; 6. a platform plate; 7. a protective box; 8. a slide hole; 9. supporting legs; 10. a base plate; 11. a limiting groove; 12. a limiting block; 13. a limiting spring; 14. a top plate; 15. a wedge-shaped pressing block; 16. a rotating wheel; 17. a rack; 18. a gear; 19. a fixing box; 20. a baffle plate; 21. a return spring; 22. a sliding groove; 23. a slide bar; 24. a moving block; 25. a connecting rod.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Examples

Referring to fig. 1-5, a thermal power boiler overhauls elevating platform, including bottom plate 1, the top of bottom plate 1 is rotated and is connected with four bracing pieces 2 that the symmetry set up, the top of four bracing pieces 2 is rotated and is connected with same locating rack 3, the top fixed mounting of locating rack 3 has motor 4, the output shaft of motor 4 and 2 fixed connection of bracing piece that correspond, the bottom of bottom plate 1 is rotated and is connected with four runners 16 that the symmetry set up, be equipped with supporting mechanism on bottom plate 1, supporting mechanism is connected with the transmission of bracing piece 2, be equipped with drive mechanism on bottom plate 1, drive mechanism is connected with the transmission of bracing piece 2, and drive mechanism is connected with the supporting mechanism transmission, threaded connection has connecting seat 5 on the bracing piece 2, fixed mounting has same landing slab 6 between four connecting seats 5, the top fixed mounting of landing slab 6 has protecting box 7.

In this embodiment, supporting mechanism includes supporting leg 9 that four symmetries set up, four supporting leg 9 slidable mounting are on bottom plate 1, the bottom fixed mounting of supporting leg 9 has backing plate 10, the top fixed mounting of supporting leg 9 has roof 14, set up the slip hole 8 that four symmetries set up on bottom plate 1, supporting leg 9 and the 8 sliding connection of slip hole that correspond, spacing groove 11 has all been seted up on the both sides inner wall of slip hole 8, sliding connection has stopper 12 on the inner wall of spacing groove 11, stopper 12 and the supporting leg 9 fixed connection that corresponds, and the bottom fixed mounting of stopper 12 has spacing spring 13, the bottom of spacing spring 13 and the bottom inner wall fixed connection of spacing groove 11, the supporting leg 9 that removes can support bottom plate 1, and when supporting leg 9 is not atress, spacing spring 13 drives supporting leg 9 rebound through stopper 12, make backing plate 10 break away from ground, prevent touching the ground convex object.

In this embodiment, the transmission mechanism includes four symmetrically-arranged wedge-shaped press blocks 15, four wedge-shaped press blocks 15 are slidably mounted at the top of the bottom plate 1, the same connecting rod 25 is fixedly mounted between two wedge-shaped press blocks 15 on the same side, the wedge-shaped press blocks 15 are mutually matched with the corresponding top plate 14, the connecting rod 25 is in transmission connection with two corresponding supporting rods 2, the top of the bottom plate 1 is fixedly mounted with four symmetrically-arranged fixing boxes 19, the fixing boxes 19 are slidably connected with racks 17, two racks 17 on the same side are fixedly connected with the corresponding connecting rods 25, one end of each rack 17 is fixedly mounted with a baffle 20, one side of each baffle 20 is fixedly mounted with a return spring 21, one end of each return spring 21 is fixedly connected with the corresponding fixing box 19, the supporting rods 2 are fixedly mounted with gears 18, the gears 18 are mutually engaged with the corresponding racks 17, the supporting rods 2 are fixedly provided with chain wheels, the four chain wheels are engaged with one another, four sliding grooves 22 symmetrically-arranged at the top of the bottom plate 1, sliding grooves 22 are fixedly mounted with sliding rods 23 on the inner walls of the sliding grooves 22, the sliding rods 23 are slidably connected with sliding blocks 24, the sliding blocks 24 are fixedly connected with the corresponding wedge-shaped press blocks 15, output shafts of the motor 4 are mutually engaged with the supporting rods through the four chain wheels, and the supporting rods, the supporting rods are driven by the sliding blocks 15 to move through the sliding blocks 15, and the supporting blocks 14, and the supporting blocks 2, and the supporting blocks are driven by the supporting rods, and the supporting blocks 15.

Working principle, when needing to overhaul the thermal power boiler, start the switch of the motor 4, the output shaft of the motor 4 drives four support rods 2 to rotate simultaneously through the intermeshing of four sprockets and the chain, the rotating support rod 2 drives the platform board 6 to go up and down through the threaded connection with the connecting seat 5, thereby driving the maintainer in the protective box 7 to go up and down to the overhaul position, at the same time, the rotating support rod 2 drives the wedge-shaped press block 15 to move through the intermeshing of the gear 18 and the rack 17, the moving wedge-shaped press block 15 drives the support leg 9 to move downwards through the mutual cooperation with the top board 14, and then drives the backing board 10 to carry out fixed support on the bottom board 1, so that the runner 16 breaks away from the ground, when the wedge-shaped press block 15 moves to a certain position, the teeth on the rack 17 end, and the rack 17 and the gear 18 break away from the meshing state, when the support rod 2 is static, the gear 18 has a locking effect on the rack 17, and further the wedge-shaped press block 15 keeps the top pressing effect on the top board 14, when the motor 4 rotates reversely, the reset spring 21 drives the rack 17 to form the meshing state with the gear 18 again, and then drives the wedge-shaped press block 15 to move out of the top board 14, and the support leg 9 is convenient for moving out of the limit block 12 and moving out of the ground under the limit block 12.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides a thermal power boiler overhauls elevating platform, includes bottom plate (1), its characterized in that, the top of bottom plate (1) is rotated and is connected with bracing piece (2) that four symmetries set up, and the top of four bracing pieces (2) is rotated and is connected with same locating rack (3), the top fixed mounting of locating rack (3) has motor (4), the output shaft of motor (4) and bracing piece (2) fixed connection that correspond, the bottom of bottom plate (1) is rotated and is connected with runner (16) that four symmetries set up, be equipped with supporting mechanism on bottom plate (1), supporting mechanism is connected with bracing piece (2) transmission, be equipped with drive mechanism on bottom plate (1), drive mechanism is connected with bracing piece (2) transmission, and drive mechanism is connected with supporting mechanism transmission, threaded connection has connecting seat (5) on bracing piece (2), and fixed mounting has same landing slab (6) between four connecting seats (5), the top fixed mounting of landing slab (6) has protecting box (7).

2. The thermal power boiler overhaul lifting platform as claimed in claim 1, wherein the supporting mechanism comprises four symmetrically arranged supporting legs (9), the four supporting legs (9) are slidably mounted on the bottom plate (1), a base plate (10) is fixedly mounted at the bottom ends of the supporting legs (9), and a top plate (14) is fixedly mounted at the tops of the supporting legs (9).

3. The thermal power boiler overhauls elevating platform of claim 1, characterized in that, drive mechanism includes four wedge briquetting (15) that the symmetry set up, and four wedge briquetting (15) slidable mounting have same connecting rod (25) at the top of bottom plate (1) between two wedge briquetting (15) of same side, and wedge briquetting (15) and corresponding roof (14) mutually support, and connecting rod (25) are connected with two bracing piece (2) transmission that correspond.

4. The thermal power boiler overhauls elevating platform according to claim 2, characterized in that, set up four symmetrical sliding holes (8) that set up on bottom plate (1), supporting leg (9) and corresponding sliding hole (8) sliding connection have all seted up spacing groove (11) on the both sides inner wall of sliding hole (8), sliding connection has stopper (12) on the inner wall of spacing groove (11), stopper (12) and corresponding supporting leg (9) fixed connection, and the bottom fixed mounting of stopper (12) has spacing spring (13), the bottom of spacing spring (13) and the bottom inner wall fixed connection of spacing groove (11).

5. A thermal power boiler overhauls elevating platform according to claim 3, characterized in that, the top fixed mounting of bottom plate (1) has four fixed boxes (19) that the symmetry set up, sliding connection has rack (17) on fixed box (19), with two rack (17) of one side and corresponding connecting rod (25) fixed connection, the one end fixed mounting of rack (17) has baffle (20), one side fixed mounting of baffle (20) has reset spring (21), the one end of reset spring (21) and the fixed box (19) fixed connection that corresponds, fixed mounting has gear (18) on bracing piece (2), gear (18) and the rack (17) intermeshing that corresponds.

6. The thermal power boiler maintenance lifting platform as claimed in claim 1, wherein the supporting rod (2) is fixedly sleeved with chain wheels, and four chain wheels are engaged with the same chain.

7. The thermal power boiler overhaul lifting platform as claimed in claim 3, wherein the top of the bottom plate (1) is provided with four symmetrically arranged sliding grooves (22), a sliding rod (23) is fixedly mounted on the inner wall of each sliding groove (22), a moving block (24) is slidably connected onto each sliding rod (23), and each moving block (24) is fixedly connected with the corresponding wedge-shaped pressing block (15).