Device for automatically replacing air filter element in control room of thermal power plant

Abstract

The utility model discloses a thermal power plant control room air filter element automatic replacing device which comprises an air filter element installation shell and a bottom plate which are arranged on a control room filtering system, an air filter element is arranged at the lower end of the air filter element installation shell, a third pulley is installed above the inner side of a rope, a tooth-shaped belt is fixedly connected to the inner side of the rope, and the tooth-shaped belt is fixedly connected with the bottom plate. A first servo motor is installed at the rear end of a gear, a lifting plate is fixedly installed on the lower side of the left end of a rope, a second servo motor drives a threaded rod and a threaded sleeve to move, and then the threaded sleeve drives a push plate to enable the leftmost air filter element to be installed on the lifting plate; a first servo motor is started to drive a gear and a toothed belt to move, then a rope is driven to move, the rope drives a lifting plate to ascend and descend, an air filter element is inserted into an air filter element mounting plate, an old part is ejected out for replacement, replacement of the air filter element can be rapidly completed, a power source does not need to be cut off for complex operation, and the replacement efficiency is improved. And the replacement efficiency of the air filter element is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air filter element replacement in thermal power plants, in particular to an automatic air filter element replacement device in a control room of a thermal power plant. Background Art

[0002] In order to ensure the safety and reliability of thermal power plant equipment operation and to protect the environment and personnel health, air filters are required in many thermal power plant equipment, control rooms, work buildings and other places.

[0003] However, since there are many places where air filters are needed in thermal power plants and their installation and disassembly are complicated, an automatic air filter replacement device is needed that can quickly complete the replacement without cutting off the power supply.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes an automatic replacement device for air filter element in the control room of a thermal power plant to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] The automatic replacement device for air filter element in the control room of a thermal power plant comprises an air filter element mounting shell and a bottom plate arranged on the control room filtering system, the upper and lower ends of the air filter element mounting shell are fixedly installed with positioning pieces, the inner bottom end of the air filter element mounting shell is rotatably installed with a baffle, the lower end of the air filter element mounting shell is provided with an air filter element, the top of the bottom plate is fixedly installed with an equipment box, the right end of the bottom plate is rotatably installed with a first pulley, the left end of the bottom plate is rotatably installed with a second pulley, a rope is installed on the outer side of the first pulley and the second pulley, a third pulley is installed on the inner upper side of the rope, the inner side of the rope is fixedly connected with a toothed belt, the outer side of the toothed belt is meshedly connected with a gear, a first servo motor is installed at the rear end of the gear, a lifting plate is fixedly installed on the lower side of the left end of the rope, a mounting column is fixedly installed on the top of the lifting plate, a second servo motor is fixedly installed on the right end of the equipment box, a threaded rod is fixedly connected to the main shaft end of the second servo motor, a threaded sleeve is spirally installed on the outer side of the threaded rod, and a push plate is fixedly connected to the top of the threaded sleeve.

[0008] As a further solution of the utility model, the positioning pieces are arranged symmetrically front and back, a rotating shaft is fixedly mounted on the end of the baffle, and a torsion spring is mounted on the outer side of the end of the rotating shaft.

[0009] As a further solution of the utility model, slide grooves are provided on the inner sides of the front and rear ends of the air filter element, a positioning lifting hole is provided on the inner side of the lower end of the air filter element, and a semicircular positioning hole is provided on the inner wall of the positioning lifting hole.

[0010] As a further solution of the utility model, a controller and a battery are arranged on the inner side of the equipment box, a laser locator is installed on the outer side of the equipment box, and the first servo motor is fixedly connected to the equipment box.

[0011] As a further solution of the utility model, the first pulley, the second pulley and the third pulley are each provided with two groups, and a support rod is installed on the outer side of the third pulley, and the support rod is fixedly connected to the equipment box.

[0012] As a further solution of the utility model, the installation columns are provided with 3 groups, and telescopic marbles are installed on the inner side of the installation columns.

[0013] As a further solution of the utility model, a positioning piece is fixedly installed on the top edge of the equipment box, a hand handle is fixedly connected to the right end of the bottom plate, and a traveling wheel is installed on the bottom end of the bottom plate.

[0014] The beneficial effects of the utility model are:

[0015] The utility model arranges an air filter element installation shell, an air filter element, a rope, a lifting plate, a first servo motor, a toothed belt, a threaded rod, etc., and drives the threaded rod and the threaded sleeve to move through the second servo motor, and then the threaded sleeve drives the push plate so that the leftmost air filter element is installed on the lifting plate. By turning on the first servo motor to drive the gear and the toothed belt to move, and then drive the rope to move, the rope drives the lifting plate to rise and fall, so that the air filter element is inserted into the air filter element installation plate to push out the old part and replace it. The device can quickly complete the replacement of the air filter element without disconnecting the power supply for complicated operations, which greatly improves the replacement efficiency of the air filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the automatic air filter replacement device for the control room of a thermal power plant according to an embodiment of the utility model;

[0018] Figure 2It is a bottom view of an air filter element installation shell and an air filter element installation of an automatic air filter element replacement device for a thermal power plant control room according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall structure of the baffle of the automatic air filter replacement device in the control room of a thermal power plant according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the installation of the installation column and the lifting plate of the automatic replacement device for the air filter element in the control room of a thermal power plant according to the embodiment of the utility model;

[0021] Figure 5 The utility model is a schematic diagram of the installation structure of the first servo motor and the gear of the automatic replacement device of the air filter element in the control room of a thermal power plant according to the embodiment of the utility model.

[0022] In the figure:

[0023] 1. Air filter element mounting shell; 2. Positioning plate; 3. Baffle; 31. Rotating shaft; 32. Torsion spring; 4. Air filter element; 41. Slide groove; 42. Positioning lifting hole; 5. Bottom plate; 6. Equipment box; 7. First pulley; 8. Second pulley; 9. Rope; 10. Third pulley; 11. Toothed belt; 12. Gear; 13. First servo motor; 14. Support rod; 15. Lifting plate; 16. Mounting column; 17. Telescopic marble; 18. Second servo motor; 19. Threaded rod; 20. Threaded sleeve; 21. Push plate; 22. Positioning piece; 23. Hand push handle. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a device for automatically replacing air filters in a control room of a thermal power plant is provided.

[0026] Please refer to the instruction manual Figure 1-5According to the automatic replacement device of the air filter element in the control room of a thermal power plant in the embodiment of the utility model, the device comprises an air filter element installation shell 1 and a bottom plate 5 arranged on the filter system of the control room, the upper and lower ends of the air filter element installation shell 1 are fixedly installed with positioning pieces 2, the inner bottom end of the air filter element installation shell 1 is rotatably installed with a baffle 3, the lower end of the air filter element installation shell 1 is provided with an air filter element 4, the top of the bottom plate 5 is fixedly installed with an equipment box 6, the right end of the bottom plate 5 is rotatably installed with a first pulley 7, the left end of the bottom plate 5 is rotatably installed with a second pulley 8, the outer sides of the first pulley 7 and the second pulley 8 are installed with ropes 9, and the ropes 9 A third pulley 10 is installed on the upper inner side, a toothed belt 11 is fixedly connected to the inner side of the rope 9, a gear 12 is meshedly connected to the outer side of the toothed belt 11, a first servo motor 13 is installed at the rear end of the gear 12, a lifting plate 15 is fixedly installed on the lower left end of the rope 9, a mounting column 16 is fixedly installed on the top of the lifting plate 15, a second servo motor 18 is fixedly installed on the right end of the equipment box 6, a threaded rod 19 is fixedly connected to the end of the main shaft of the second servo motor 18, a threaded sleeve 20 is spirally installed on the outer side of the threaded rod 19, and a push plate 21 is fixedly connected to the top of the threaded sleeve 20.

[0027] When the device is in use, the device is pushed to move to the bottom of the air filter installation shell 1 in the control room, and the position is accurately adjusted by the laser locator on the equipment box 6. The second servo motor 18 is turned on to drive the threaded rod 19 to rotate, and the threaded rod 19 drives the threaded sleeve 20 to rotate and move in the equipment box 6. The threaded sleeve 20 drives the push plate 21 to move the air filter 4 on the far left to just below the air filter installation shell 1. The air filter 4 is engaged with the mounting column 16 on the lifting plate 15. The first servo motor 13 is turned on to drive the gear 12 to rotate, and the gear 12 drives the toothed belt 11 to move, so that the rope 9 moves, and the rope 9 then drives the lifting plate 15 to rise and fall. The lifting plate 15 drives the air filter 4 to rise and insert it into the air filter installation shell 1, and the old air filter is pushed out and replaced. After the baffle 3 flips over and automatically falls, the rope 9 descends, drives the air filter 4 to descend, and the mounting column 16 is separated from the air filter 4, completing the rapid replacement and installation process of the air filter.

[0028] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the positioning piece 2 is symmetrically arranged front and back, a rotating shaft 31 is fixedly installed at the end of the baffle 3, a torsion spring 32 is installed on the outer side of the end of the rotating shaft 31, a slide groove 41 is provided on the inner side of the front and rear ends of the air filter element 4, a positioning lifting hole 42 is provided on the inner side of the lower end of the air filter element 4, and a semicircular positioning hole is provided on the inner wall of the positioning lifting hole 42.

[0029] Therefore, under the action of the torsion spring 32 , the baffle 3 can automatically fall back after being turned over, and the positioning sheet 2 can position the baffle 3 and the air filter element 4 .

[0030] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the utility model, a controller and a battery are arranged on the inner side of the equipment box 6 , a laser locator is installed on the outer side of the equipment box 6 , and the first servo motor 13 is fixedly connected to the equipment box 6 .

[0031] This provides energy and control to the electrical components within the device, allowing the equipment to operate stably.

[0032] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the first pulley 7, the second pulley 8 and the third pulley 10 are each provided with 2 groups, a support rod 14 is installed on the outer side of the third pulley 10, and the support rod 14 is fixedly connected to the equipment box 6, and the mounting column 16 is provided with 3 groups, and a telescopic marble 17 is installed on the inner side of the mounting column 16.

[0033] The first pulley 7 , the second pulley 8 and the third pulley 10 position and constrain the rope 9 and adjust the direction of the rope 9 . The pulleys also reduce the wear of the rope 9 . The support rod 14 provides a positioning installation for the third pulley 10 .

[0034] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the utility model, a positioning member 22 is fixedly installed on the top edge of the equipment box 6, a hand handle 23 is fixedly connected to the right end of the bottom plate 5, and a traveling wheel is installed on the bottom end of the bottom plate 5.

[0035] Thereby, the device can be freely moved conveniently, and the air filter element 4 is positioned by means of the positioning member 22 , so that the air filter element falls on the lifting plate 15 and engages with the mounting column 16 after being moved.

[0036] When in use, push the device to move to the bottom of the air filter installation shell 1 in the control room, and accurately adjust the position through the laser locator on the equipment box 6, turn on the second servo motor 18 to drive the threaded rod 19 to rotate, the threaded rod 19 drives the threaded sleeve 20 to rotate and move in the equipment box 6, the threaded sleeve 20 drives the push plate 21 to move the air filter 4 on the far left to just below the air filter installation shell 1, the air filter 4 is engaged with the mounting column 16 on the lifting plate 15, turn on the first servo motor 13 to drive the gear 12 to rotate, the gear 12 drives the toothed belt 11 to move, so that the rope 9 moves, the rope 9 then drives the lifting plate 15 to rise and fall, the lifting plate 15 drives the air filter 4 to rise and insert it into the air filter installation shell 1, push out the old air filter and replace it, after the baffle 3 flips over and automatically falls, the rope 9 descends, drives the air filter 4 to descend, and the mounting column 16 is separated from the air filter 4, completing the rapid replacement and installation process of the air filter.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic air filter replacement device for a control room of a thermal power plant, comprising an air filter installation shell (1) and a bottom plate (5) arranged on a control room filtration system, characterized in that: Positioning plates (2) are fixedly mounted at the upper and lower ends of the air filter element mounting shell (1); a baffle (3) is rotatably mounted on the inner bottom end of the air filter element mounting shell (1); an air filter element (4) is arranged at the lower end of the air filter element mounting shell (1); an equipment box (6) is fixedly mounted on the top of the bottom plate (5); a first pulley (7) is rotatably mounted on the right end of the bottom plate (5); a second pulley (8) is rotatably mounted on the left end of the bottom plate (5); ropes (9) are mounted on the outer sides of the first pulley (7) and the second pulley (8); a third pulley (10) is mounted on the inner upper side of the rope (9); and the inner side of the rope (9) is fixedly connected to the A toothed belt (11) is provided, the outer side of the toothed belt (11) is meshedly connected with a gear (12), a first servo motor (13) is installed at the rear end of the gear (12), a lifting plate (15) is fixedly installed on the lower side of the left end of the rope (9), a mounting column (16) is fixedly installed on the top of the lifting plate (15), a second servo motor (18) is fixedly installed on the right end of the equipment box (6), a threaded rod (19) is fixedly connected to the end of the main shaft of the second servo motor (18), a threaded sleeve (20) is spirally installed on the outer side of the threaded rod (19), and a push plate (21) is fixedly connected to the top of the threaded sleeve (20).

2. The automatic air filter replacement device for the control room of a thermal power plant according to claim 1 is characterized in that: The positioning piece (2) is arranged symmetrically in front and back, a rotating shaft (31) is fixedly mounted on the end of the baffle (3), and a torsion spring (32) is mounted on the outer side of the end of the rotating shaft (31).

3. The automatic air filter replacement device for the control room of a thermal power plant according to claim 1 is characterized by: The front and rear ends of the air filter element (4) are provided with sliding grooves (41) on the inner side, the lower end of the air filter element (4) is provided with a positioning lifting hole (42) on the inner side, and the inner wall of the positioning lifting hole (42) is provided with a semicircular positioning hole.

4. The automatic air filter replacement device for the control room of a thermal power plant according to claim 1 is characterized by: A controller and a battery are arranged on the inner side of the equipment box (6), a laser locator is installed on the outer side of the equipment box (6), and the first servo motor (13) is fixedly connected to the equipment box (6).

5. The automatic air filter replacement device for the control room of a thermal power plant according to claim 1 is characterized in that: The first pulley (7), the second pulley (8) and the third pulley (10) are each provided with two groups, and a support rod (14) is installed on the outer side of the third pulley (10), and the support rod (14) is fixedly connected to the equipment box (6).

6. The automatic air filter replacement device for the control room of a thermal power plant according to claim 1 is characterized by: The installation columns (16) are provided with three groups, and telescopic marbles (17) are installed inside the installation columns (16).

7. The automatic air filter replacement device for the control room of a thermal power plant according to claim 1 is characterized by: A positioning piece (22) is fixedly installed on the top edge of the equipment box (6), a hand handle (23) is fixedly connected to the right end of the bottom plate (5), and a traveling wheel is installed on the bottom end of the bottom plate (5).

Images