CN219432095U - Anti-blocking control system for fan - Google Patents

Abstract

The utility model discloses a fan anti-blocking control system, which comprises a device body, wherein a coal grinding fan and an air pipe are arranged in the device body, an upper clamping plate and a lower clamping plate are movably arranged on the outer side of the air pipe, a first motor and a second motor are respectively connected with one side of the upper clamping plate and one side of the lower clamping plate in a driving way, an access hole is formed in one side of the coal grinding fan, a notch is formed in one side of the access hole, an access door is arranged in the access hole, an insertion block is arranged on the inner side of the access door, the insertion block corresponds to the notch, a gear is arranged in the insertion block, a group of rack bars are respectively meshed on two sides of the gear, and the rack bars correspond to the insertion hole.

Description

Anti-blocking control system for fan

Technical Field

The utility model relates to an anti-blocking control system, in particular to a fan anti-blocking control system, and belongs to the technical field of coal grinding fans.

Background

When the coal grinding fan is used, the motor is stopped in a steal way, the motor is stopped in a fault-free state, the motor stops running due to reasons such as power grid electricity interference, misoperation of control signals or improper manual operation, and the like, and the motor stops running to cause blockage of a coal grinding bin and a coal grinding air pipe of the coal grinding fan, so that the coal grinding fan needs to be manually cleaned in a coal dust bin and an air pipe.

The prior art has the following publication numbers: the utility model patent of CN 213206037U proposes a coal mill exhaust fan of amortization and noise reduction, it has realized shock attenuation sound insulation effect through installing gypsum board, sound insulation felt and fixed silk screen, through installing cooling tube, first water pipe and water pump, circulation cooling effect has been played, through installing heating panel, first pivot and second pivot, play through radiating effect, but it does not possess the sealed protection effect to the coal mill fan, when the motor stops the operation, will lead to coal mill fan and tuber pipe to block up, influence follow-up use and safety, it is clear up to need the workman to get into inside, simultaneously it does not possess the quick maintenance ability to the coal mill fan, a plurality of electrical parts of its fan inside sets up, need often maintain and overhaul it, but it does not reserve suitable maintenance position, workman's operation has inconvenience, consequently, we need upgrade and reform on the basis of prior art.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the fan anti-blocking control system, which can realize the closed protection of the air pipe and the coal grinding fan, avoid the problems of blocking of the coal grinding fan and the air pipe caused by accumulation of coal blocks, improve the reliability of the use of the fan, realize the quick opening and closing of an access door, facilitate the overhaul of the inside of the fan and avoid the problems of time and labor waste in overhaul of the fan.

In order to solve the problems, the following technical scheme is provided:

the design fan anti-blocking control system comprises a device body, this internal coal grinding fan and the tuber pipe of being provided with of device, the activity of tuber pipe outside is provided with cardboard and lower cardboard, go up cardboard and cardboard one side down and drive respectively and be connected with first motor and second motor, the access hole has been seted up to coal grinding fan one side, access hole one side is equipped with the breach and has seted up the spliced eye on the breach, be equipped with access door and access door inboard in the access hole and be equipped with the spliced block, the spliced block corresponds and inside is equipped with the gear with the breach, the gear both sides meshing respectively has a set of rack bar and rack bar to correspond with the spliced eye.

Further, two groups of mounting grooves are formed in the side wall of the air pipe, and the first motor and the second motor are respectively located in the two groups of mounting grooves.

Furthermore, the outer sides of the first motor and the second motor are respectively sleeved with a fixing frame, and the fixing frames are fixed on the outer sides of the air pipes.

Further, the front end of the first motor is provided with a first cone pulley, one side of the upper clamping plate is provided with a second cone pulley, and the second cone pulley is meshed with the first cone pulley.

Further, the front end of the second motor is provided with a first cone pulley, one side of the lower clamping plate is provided with a second cone pulley, and the second cone pulley is meshed with the first cone pulley.

Furthermore, the first cone pulley and the second cone pulley are sleeved with a protective cover outside, and the protective cover is fixed on the outer wall of the air pipe.

Further, one side of the gear is connected with an anti-slip knob, and the anti-slip knob is rotationally positioned at the outer side of the access door.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first motor, the second motor, the upper clamping plate and the lower clamping plate are arranged in the device, when the device is used, the first motor and the second motor are used for respectively driving the two groups of cone pulley structures to move, the cone pulley structures respectively drive the upper clamping plate and the lower clamping plate to move oppositely, so that the air pipe opening is closed, the air pipe and the coal grinding fan can be sealed and protected, the problems of blockage of the coal grinding fan and the air pipe caused by accumulation of coal blocks are avoided, and the use reliability of the fan is improved.

2. According to the utility model, the access hole, the access door, the plug-in block, the gear and the rack bar are arranged in the device, when in use, the access door is pulled and corresponds to the access hole, the plug-in block corresponds to the notch, the gear is controlled to rotate through the anti-slip knob, the gear drives the rack bar to move, the rack bar stretches in the plug-in block and corresponds to the plug-in hole, the rapid opening and closing of the access door can be realized, the inside of the fan is conveniently overhauled, and the problem that the time and the labor are wasted when the fan is overhauled is avoided.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a fan anti-clogging control system in accordance with the present utility model;

FIG. 2 is a schematic view of the duct structure of the fan anti-clogging control system in accordance with the present utility model;

FIG. 3 is an exploded view of the duct structure of the fan anti-clogging control system in accordance with the present utility model;

FIG. 4 is a schematic view of an access door structure of a fan anti-blocking control system according to the present utility model;

fig. 5 is an exploded view of the plug structure of the fan anti-clogging control system in accordance with the present utility model.

In the figure: 1. a device body; 2. a coal grinding fan; 3. an air duct; 4. an upper clamping plate; 5. a lower clamping plate; 6. a first motor; 7. a second motor; 8. a first cone pulley; 9. a second cone pulley; 10. a protective cover; 11. a mounting groove; 12. a fixing frame; 13. an access opening; 14. a notch; 15. a plug hole; 16. an access door; 17. a plug block; 18. a gear; 19. a rack bar; 20. an anti-slip knob.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-5, the fan anti-blocking control system provided in this embodiment includes a device body 1, a coal grinding fan 2 and an air duct 3 are provided in the device body 1, an upper clamping plate 4 and a lower clamping plate 5 are movably provided at the outer side of the air duct 3, one sides of the upper clamping plate 4 and the lower clamping plate 5 are respectively connected with a first motor 6 and a second motor 7 in a driving manner, an access hole 13 is provided at one side of the coal grinding fan 2, a gap 14 is provided at one side of the access hole 13, a plug hole 15 is provided at the gap 14, an access door 16 is provided in the access hole 13, a plug block 17 is provided at the inner side of the access door 16, a gear 18 is provided at the inner side of the plug block 17 corresponding to the gap 14, a group of rack bars 19 are respectively meshed at two sides of the gear 18, and the rack bars 19 correspond to the positions of the plug hole 15.

Preferably, two groups of mounting grooves 11 are formed in the side wall of the air pipe 3, the first motor 6 and the second motor 7 are respectively located in the two groups of mounting grooves 11, the first motor 6 and the second motor 7 are convenient to install, and occupied space is saved.

Preferably, the outer sides of the first motor 6 and the second motor 7 are respectively sleeved with a fixing frame 12, and the fixing frames 12 are fixed on the outer sides of the air pipes 3, so that the two groups of motors can be conveniently fixed.

Preferably, the front end of the first motor 6 is provided with a first cone pulley 8, one side of the upper clamping plate 4 is provided with a second cone pulley 9, the second cone pulley 9 is meshed with the first cone pulley 8, the transmission direction is convenient to change, and the upper clamping plate 4 can be driven to rotate through the first motor 6.

Preferably, the front end of the second motor 7 is provided with a first cone pulley 8, one side of the lower clamping plate 5 is provided with a second cone pulley 9, the second cone pulley 9 is meshed with the first cone pulley 8, the transmission direction is convenient to change, and the lower clamping plate 5 can be driven to rotate through the second motor 7.

Preferably, the first cone pulley 8 and the second cone pulley 9 are sleeved with a protective cover 10 outside, and the protective cover 10 is fixed on the outer wall of the air pipe 3, so that two groups of cone pulleys can be protected conveniently.

Preferably, one side of the gear 18 is connected with an anti-slip knob 20, and the anti-slip knob 20 is rotatably positioned outside the access door 16, so that the gear 18 can be manually controlled to rotate.

The application principle and the application flow of the utility model are as follows: when the motor stops running, the first motor 6 and the second motor 7 can be turned reversely and respectively drive the two groups of first cone wheels 8 to rotate, the first cone wheels 8 drive the second cone wheels 9 to rotate, the two groups of second cone wheels 9 respectively drive the upper clamping plate 4 and the lower clamping plate 5 to rotate and block the opening of the air pipe 3, so that the air pipe 3 enters a closed state, the air pipe 3 and the inside of the coal grinding fan 2 are prevented from being blocked, when the inside of the coal grinding fan 2 needs cleaning or overhauling, the anti-slip knob 20 can be rotated, the gear 18 drives the gear 18 to rotate, the gear 18 drives the rack rod 19 to move and enable the rack rod to shrink into the plug block 17, the door 16 can be opened to operate at the moment, and the anti-slip knob 20 is fixed after overhauling.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The fan anti-blocking control system is characterized by comprising a device body (1), be provided with in the device body (1) and grind coal fan (2) and blast pipe (3), the activity of blast pipe (3) outside is provided with cardboard (4) and lower cardboard (5), it is connected with first motor (6) and second motor (7) to go up cardboard (4) and lower cardboard (5) one side respectively the drive, access hole (13) have been seted up to grind coal fan (2) one side, access hole (15) have been seted up on breach (14) and breach (14) are equipped with on one side of access hole (13), be equipped with access door (16) and access door (16) inboard is equipped with spliced block (17) in access hole (13), spliced block (17) correspond and inside be equipped with gear (18) with breach (14), gear (18) both sides have meshed respectively a set of rack bar (19) and rack bar (19) correspond with spliced eye (15) position.

2. The fan anti-blocking control system according to claim 1, wherein two groups of mounting grooves (11) are formed in the side wall of the air duct (3), and the first motor (6) and the second motor (7) are respectively located in the two groups of mounting grooves (11).

3. The fan anti-blocking control system according to claim 1, wherein the outer sides of the first motor (6) and the second motor (7) are respectively sleeved with a fixing frame (12), and the fixing frames (12) are fixed on the outer sides of the air pipes (3).

4. The fan anti-blocking control system according to claim 1, wherein a first cone pulley (8) is arranged at the front end of the first motor (6), a second cone pulley (9) is arranged on one side of the upper clamping plate (4), and the second cone pulley (9) is meshed with the first cone pulley (8).

5. The fan anti-blocking control system according to claim 1, wherein a first cone pulley (8) is arranged at the front end of the second motor (7), a second cone pulley (9) is arranged on one side of the lower clamping plate (5), and the second cone pulley (9) is meshed with the first cone pulley (8).

6. The fan anti-blocking control system according to claim 5, wherein the first cone pulley (8) and the second cone pulley (9) are sleeved with a protective cover (10) outside, and the protective cover (10) is fixed on the outer wall of the air pipe (3).

7. The fan anti-clogging control system of claim 1, wherein an anti-slip knob (20) is connected to one side of the gear (18), the anti-slip knob (20) being rotatably located outside the access door (16).