CN219334503U - Air inlet dustproof air door structure of coal mill - Google Patents
Air inlet dustproof air door structure of coal mill Download PDFInfo
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- CN219334503U CN219334503U CN202223082655.7U CN202223082655U CN219334503U CN 219334503 U CN219334503 U CN 219334503U CN 202223082655 U CN202223082655 U CN 202223082655U CN 219334503 U CN219334503 U CN 219334503U
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- air door
- air inlet
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Abstract
The utility model provides an air inlet dustproof air door structure of a coal mill. The dustproof air door structure of coal pulverizer air inlet includes: an air duct; the installation block is fixedly arranged at the top of the air pipe; the air door is arranged in the air pipe; the driving mechanism is arranged on the air door; the manual mechanism is arranged on the air pipe. The air inlet dustproof air door structure of the coal mill has the advantages that the air door can be manually opened under the condition that electric driving equipment of the air door is damaged, and the air inlet requirement is guaranteed.
Description
Technical Field
The utility model relates to the technical field of air doors of coal mills, in particular to an air inlet dustproof air door structure of a coal mill.
Background
The coal mill refers to a machine for crushing and grinding coal blocks into coal powder, is an important auxiliary device of a coal powder furnace, and consists of a plurality of parts, and the air door is one of the parts of the coal mill.
The air door is generally installed in corresponding wind channel, when needs open certain angle with the air door, needs through driving the air door, and a large amount of hot-blast entering wind channel at the time can lead to the temperature in the wind channel higher, often can damage the actuating device of some air doors.
Therefore, it is necessary to provide a new structure of the air inlet dust-proof air door of the coal mill to solve the above technical problems.
Disclosure of Invention
The utility model solves the technical problem of providing the air inlet dustproof air door structure of the coal mill, which can manually open the air door under the condition that electric driving equipment of the air door is damaged, and ensures the air inlet demand.
In order to solve the technical problems, the air inlet dustproof air door structure of the coal mill provided by the utility model comprises: an air duct; the installation block is fixedly arranged at the top of the air pipe; the air door is arranged in the air pipe; the driving mechanism is arranged on the air door; the manual mechanism is arranged on the air pipe.
Preferably, the driving mechanism comprises a first rotating shaft, a second rotating shaft, a base, a locking block, a motor and a mounting shell, wherein the first rotating shaft is rotatably mounted on the air pipe, the first rotating shaft is fixedly connected with the air door, the second rotating shaft is rotatably mounted on the air pipe, the second rotating shaft is fixedly connected with the air door, the base is fixedly mounted on the top end of the second rotating shaft, the mounting shell is arranged on the mounting block, the motor is fixedly mounted on the mounting shell, the locking block is fixedly mounted on an output shaft of the motor, and the locking block is in contact with the base.
Preferably, a clamping groove is formed in the base, and the clamping groove is matched with the locking block.
Preferably, the mounting shell is fixedly connected with the mounting block through a lock rod.
Preferably, the manual mechanism comprises a third rotating shaft, two circular gears, a mounting disc, a connecting block and a driving rod, wherein the third rotating shaft is rotatably mounted on the air pipe, the two circular gears are fixedly sleeved on the third rotating shaft and the first rotating shaft respectively, the two circular gears are meshed with each other, the mounting disc is fixedly mounted at the bottom end of the third rotating shaft, the connecting block is fixedly mounted at the bottom of the mounting disc, a slot is formed in the connecting block, and the driving rod is slidably mounted in the slot.
Preferably, a connecting rod is fixedly arranged at the bottom of the air pipe, and a bolt is arranged on the connecting rod in a threaded manner.
Compared with the related art, the air inlet dustproof air door structure of the coal mill has the following beneficial effects:
the utility model provides an air inlet dustproof air door structure of a coal mill, which comprises the following parts: through tuber pipe and installation piece easy to assemble subassembly, the demand of the convenient air inlet of air door can rotate the air door through actuating mechanism, thereby satisfy different air inlet demands, through the draw-in groove and the mutual accompanying of locking piece, make things convenient for the motor to drive the second pivot, and then drive the air door, also make the motor break away from the base simultaneously, it is convenient when the motor damages, manual regulation to the air door, through the effect of locking lever, the convenience is fixed the installation shell on the installation piece, the convenience is taken off the installation shell from the installation piece simultaneously, through manual mechanism, can be under the circumstances that the damage appears in the motor, manual rotation to the air door, satisfy the air inlet demand, through the mutually supporting of connecting rod and bolt, can be after manual to the air door regulation, the condition that the air door rocks appears in the time of avoiding the air inlet is convenient to be fixed to the air door.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional front view of a preferred embodiment of a coal pulverizer air inlet and dust damper structure provided by the present utility model;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the portion B shown in FIG. 1;
fig. 4 is a left side cutaway assembly schematic of the present utility model.
Reference numerals in the drawings: 1. an air duct; 2. a mounting block; 3. a damper; 4. a first rotating shaft; 5. a second rotating shaft; 6. a base; 7. a locking piece; 8. a motor; 9. a mounting shell; 10. a lock lever; 11. a third rotating shaft; 12. a circular gear; 13. a mounting plate; 14. a connecting block; 15. a driving rod; 16. a connecting rod; 17. and (5) a bolt.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to fig. 4 in combination, fig. 1 is a schematic front sectional view of a preferred embodiment of an air inlet and dust prevention damper structure of a coal mill according to the present utility model; FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1; FIG. 3 is an enlarged schematic view of the portion B shown in FIG. 1; fig. 4 is a left side cutaway assembly schematic of the present utility model. The dustproof air door structure of coal pulverizer air inlet includes: an air duct 1; the installation block 2 is fixedly arranged at the top of the air pipe 1; a damper 3, wherein the damper 3 is arranged in the air pipe 1; a driving mechanism provided on the damper 3; the manual mechanism is arranged on the air pipe 1, and is convenient to install the assembly through the air pipe 1 and the installation block 2, and the air door 3 is convenient to air inlet.
The driving mechanism comprises a first rotating shaft 4, a second rotating shaft 5, a base 6, a locking block 7, a motor 8 and a mounting shell 9, wherein the first rotating shaft 4 is rotatably mounted on the air pipe 1, the first rotating shaft 4 is fixedly connected with the air door 3, the second rotating shaft 5 is rotatably mounted on the air pipe 1, the second rotating shaft 5 is fixedly connected with the air door 3, the base 6 is fixedly mounted at the top end of the second rotating shaft 5, the mounting shell 9 is arranged on the mounting block 2, the motor 8 is fixedly mounted on the mounting shell 9, the locking block 7 is fixedly mounted on an output shaft of the motor 8, the locking block 7 is in contact with the base 6, and the air door 3 can be rotated through the driving mechanism, so that different air inlet demands are met.
The clamping groove is formed in the base 6, the clamping groove is matched with the locking piece 7, and the motor 8 is convenient to drive the second rotating shaft 5 through the clamping groove and the mutual accompanying of the locking piece 7, so that the air door 3 is driven, the motor 8 is conveniently separated from the base 6, and the air door 3 is conveniently adjusted manually when the motor 8 is damaged.
The installation shell 9 is fixedly connected with the installation block 2 through the lock rod 10, the installation shell 9 is conveniently fixed on the installation block 2 through the action of the lock rod 10, and meanwhile, the installation shell 9 is conveniently taken down from the installation block 2.
The manual mechanism comprises a third rotating shaft 11, two circular gears 12, a mounting disc 13, a connecting block 14 and a driving rod 15, wherein the third rotating shaft 11 is rotatably installed on the air pipe 1, the two circular gears 12 are fixedly sleeved on the third rotating shaft 11 and the first rotating shaft 4 respectively, the two circular gears 12 are meshed with each other, the mounting disc 13 is fixedly installed at the bottom end of the third rotating shaft 11, the connecting block 14 is fixedly installed at the bottom of the mounting disc 13, a slot is formed in the connecting block 14, the driving rod 15 is slidably installed in the slot, and the air door 3 can be manually rotated under the condition that a motor 8 is damaged through the manual mechanism, so that the air inlet requirement is met.
The bottom fixed mounting of tuber pipe 1 has connecting rod 16 the screw thread is installed on connecting rod 16 bolt 17, through the cooperation of connecting rod 16 and bolt 17, can be after manual regulation to air door 3, conveniently fix mounting plate 13, when avoiding the inlet air, the condition that air door 3 appears rocking.
It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods.
The working principle of the air inlet dustproof air door structure of the coal mill provided by the utility model is as follows:
the scheme is also provided with an electric control cabinet, the electric control cabinet is arranged on the equipment, when the electric control cabinet is used, each electric equipment can be started to operate respectively, the power connection mode of each electric equipment is the prior mature technology, is a well-known technology of the person in the field, and is not redundant;
when the device is used, as shown in figure 1, the relevant components are arranged on an air pipe 1 of the coal mill;
when the air door 3 is required to be opened, the motor 8 is started under the interaction of the first rotating shaft 4 and the second rotating shaft 5, so that the air door 3 is driven to rotate, the air door 3 is opened, and the air inlet requirement is further met;
when the motor 8 fails and can not be maintained timely, the lock rod 10 is rotated firstly, the lock rod 10 is taken down from the mounting block 2 and the mounting shell 9, the mounting shell 9 is moved, the motor 8 drives the motor 8 to move upwards, the motor 8 drives the lock block 7 to move upwards, and then the lock block 7 is separated from the base 6, the mounting plate 13 is possibly heated due to hot air entering in the air pipe 1, the driving rod 15 is placed in a slot on the connecting block 14 at the moment, the driving rod 15 is rotated, the driving rod 15 drives the third rotating shaft 11 to rotate, under the interaction of the two circular gears 12, the first rotating shaft 4 is driven to rotate, the air door 3 is opened, the air inlet requirement can be ensured, the air door can be met even if the motor 8 is damaged, after the air door is rotated, the bolt 17 is installed on the connecting rod 16, the bolt 17 is propped against the mounting plate 13, and therefore the air inlet condition of the air door 3 is avoided when the air inlet is performed.
Compared with the related art, the air inlet dustproof air door structure of the coal mill has the following beneficial effects:
the utility model provides an air inlet dustproof air door structure of a coal mill, which is characterized in that an assembly is conveniently installed through an air pipe 1 and an installation block 2, an air door 3 is convenient to air inlet, the air door 3 can be rotated through a driving mechanism, so that different air inlet requirements are met, a motor 8 is convenient to drive a second rotating shaft 5 through mutual accompanying of a clamping groove and a locking block 7, the air door 3 is further driven, the motor 8 is conveniently separated from a base 6, when the motor 8 is damaged, the air door 3 is conveniently and manually regulated, an installation shell 9 is conveniently fixed on the installation block 2 through the action of a locking rod 10, the installation shell 9 is conveniently and simultaneously taken off from the installation block 2, the air door 3 can be manually rotated under the condition that the motor 8 is damaged through a manual mechanism, the air inlet requirements are met, the air door 13 can be conveniently fixed after the air door 3 is manually regulated through the mutual matching of a connecting rod 16 and a bolt 17, and the condition that the air door 3 shakes during air inlet is avoided.
The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a dustproof air door structure of coal pulverizer air inlet which characterized in that includes:
an air duct;
the installation block is fixedly arranged at the top of the air pipe;
the air door is arranged in the air pipe;
the driving mechanism is arranged on the air door;
the manual mechanism is arranged on the air pipe.
2. The air inlet and dust prevention air door structure of a coal mill according to claim 1, wherein the driving mechanism comprises a first rotating shaft, a second rotating shaft, a base, a locking block, a motor and a mounting shell, the first rotating shaft is rotatably mounted on the air pipe, the first rotating shaft is fixedly connected with the air door, the second rotating shaft is rotatably mounted on the air pipe, the second rotating shaft is fixedly connected with the air door, the base is fixedly mounted at the top end of the second rotating shaft, the mounting shell is arranged on the mounting block, the motor is fixedly mounted on the mounting shell, the locking block is fixedly mounted on an output shaft of the motor, and the locking block is in contact with the base.
3. The air inlet and dust prevention air door structure of the coal mill according to claim 2, wherein a clamping groove is formed in the base, and the clamping groove is matched with the locking block.
4. The air inlet and dust prevention throttle structure of the coal mill according to claim 2, wherein the mounting shell is fixedly connected with the mounting block through a lock rod.
5. The air inlet and dust prevention air door structure of a coal mill according to claim 2, wherein the manual mechanism comprises a third rotating shaft, two circular gears, a mounting disc, a connecting block and a driving rod, the third rotating shaft is rotatably mounted on the air pipe, the two circular gears are fixedly sleeved on the third rotating shaft and the first rotating shaft respectively, the two circular gears are meshed with each other, the mounting disc is fixedly mounted at the bottom end of the third rotating shaft, the connecting block is fixedly mounted at the bottom of the mounting disc, a slot is formed in the connecting block, and the driving rod is slidably mounted in the slot.
6. The air inlet and dust prevention air door structure of the coal mill according to claim 1, wherein a connecting rod is fixedly arranged at the bottom of the air pipe, and bolts are arranged on the connecting rod in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223082655.7U CN219334503U (en) | 2022-11-21 | 2022-11-21 | Air inlet dustproof air door structure of coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223082655.7U CN219334503U (en) | 2022-11-21 | 2022-11-21 | Air inlet dustproof air door structure of coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219334503U true CN219334503U (en) | 2023-07-14 |
Family
ID=87110073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223082655.7U Active CN219334503U (en) | 2022-11-21 | 2022-11-21 | Air inlet dustproof air door structure of coal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219334503U (en) |
-
2022
- 2022-11-21 CN CN202223082655.7U patent/CN219334503U/en active Active
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