Furnace door opening and closing device of efficient tilting rotary furnace

Abstract

The utility model relates to the technical field of rotary furnaces, in particular to a furnace door opening and closing device of an efficient tilting rotary furnace, which comprises a furnace door, a furnace door arm, a furnace door shaft, a furnace door shaft mounting flange, a hydraulic motor, a rotary speed reducer, a furnace door support, a door shaft seat plate, a door shaft supporting bearing, a limit switch and a furnace door rotating limit block. The hydraulic motor is started to rotate, the hydraulic motor drives the outer ring top plate of the rotary speed reducer to rotate, the furnace door shaft rotates along with the rotary speed reducer through the furnace door shaft mounting flange, the furnace door shaft drives the furnace door to move in the circumferential direction through the furnace door arm, and opening and closing of the furnace door are achieved. The opening and closing positions of the furnace door are controlled through the limiting switch and the furnace door rotating limiting block, the furnace door can be accurately in place, the furnace door assembly is driven by the hydraulic rotary speed reducer to rotate, furnace door opening and closing are achieved, space is saved, and the furnace door resetting precision is high.

Description

Technical Field

[0001] This utility model relates to the field of rotary furnace technology, specifically to a high-efficiency tilting rotary furnace door opening and closing device. Background Technology

[0002] The furnace door plays a crucial role in a tilting rotary furnace. By opening and closing the door, combustion temperature can be controlled, ash and slag can be cleaned, and fuel can be added. Currently, the existing opening and closing device for the furnace door of a high-temperature smelting tilting rotary furnace is hydraulic, using a hydraulic cylinder as the driving force to push connecting rods and forks to open and close. This structure is complex, expensive, and occupies a large space. Utility Model Content

[0003] The purpose of this invention is to solve the problems of low furnace door reset accuracy and large space occupation in the existing technology, and to propose an efficient tilting rotary furnace door opening and closing device.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] Design an efficient tilting rotary furnace door opening and closing device, including furnace door, furnace door arm, furnace door shaft, furnace door shaft mounting flange, hydraulic motor, rotary reducer, furnace door support, door shaft seat plate, door shaft support bearing, limit switch and furnace door rotation limit block;

[0006] The furnace door, furnace door arm, furnace door hinge, and furnace door hinge mounting flange are fixedly connected to form a furnace door assembly. A rotary reducer is provided in the middle section of the furnace door hinge. The connecting shaft of the rotary reducer is connected to the output shaft of the hydraulic motor. The rotary reducer is mounted on the furnace door support. A door hinge support bearing is installed on one side of the furnace door hinge. A door hinge seat plate is provided in the middle section of the door hinge support bearing. The door hinge seat plate is fixed to the furnace door support on all four sides. Limit switches are provided on both sides of the furnace door support. A furnace door rotation limit block is provided on one side of the outer ring surface of the furnace door hinge mounting flange. The furnace door is provided at the end of the furnace door arm away from the furnace door hinge.

[0007] Preferably, the furnace door hinge mounting flange is connected to the outer ring top plate of the rotary reducer by bolts and nuts, and the axis of the furnace door hinge and the axis of the furnace door hinge mounting flange are on the same straight line.

[0008] Preferably, the limit switch and the furnace door rotation limit block control the opening and closing positions of the furnace door, so that the furnace door can be accurately positioned.

[0009] The limit switches on both sides are connected to the wiring terminals of the hydraulic motor to control the hydraulic motor to shut down;

[0010] When the furnace door rotation limit block comes into contact with the limit switch on one side, the furnace door is closed;

[0011] When the furnace door rotation limit block comes into contact with the limit switch on the other side, the furnace door opens.

[0012] Preferably, the end of the furnace door support is fixedly mounted on one side of the frame.

[0013] Preferably, a furnace body is provided above the frame, and the axis of the furnace door is aligned with the axis of the furnace body.

[0014] The present invention proposes a high-efficiency tilting rotary furnace door opening and closing device, the advantages of which are as follows: by starting the hydraulic motor to rotate the direction, the hydraulic motor drives the outer ring top plate of the rotary reducer to rotate, so that the furnace door shaft rotates with the rotary reducer through the furnace door shaft mounting flange. The furnace door shaft drives the furnace door to move circumferentially through the furnace door arm, realizing the opening and closing of the furnace door. The opening and closing position of the furnace door is controlled by the limit switch and the furnace door rotation limit block, so that the furnace door can be accurately positioned. The use of a hydraulic rotary reducer to drive the furnace door assembly to rotate realizes the opening and closing of the furnace door, saves space, and has high furnace door reset accuracy. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a top view of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the furnace door hinge, furnace door arm, and furnace door hinge mounting flange of this utility model.

[0018] In the diagram: 1. Furnace body, 2. Frame, 3. Furnace door support, 4. Door hinge seat plate, 5. Door hinge support bearing, 6. Furnace door hinge mounting flange, 7. Furnace door hinge, 8. Furnace door, 9. Furnace door arm, 10. Limit switch, 11. Furnace door rotation limit block, 12. Hydraulic motor, 13. Rotary reducer. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings:

[0020] This embodiment proposes a high-efficiency tilting rotary furnace door opening and closing device, such as... Figure 1 , Figure 2 and Figure 3As shown, the furnace door assembly includes a furnace door 8, a furnace door arm 9, a furnace door hinge 7, a furnace door hinge mounting flange 6, a hydraulic motor 12, a rotary reducer 13, a furnace door support 3, a door hinge seat plate 4, a door hinge support bearing 5, a limit switch 10, and a furnace door rotation limit block 11. The furnace door 8, furnace door arm 9, furnace door hinge 7, and furnace door hinge mounting flange 6 are fixedly connected to form a furnace door assembly. A rotary reducer 13 is installed in the middle section of the furnace door hinge. The connecting shaft of the rotary reducer 13 is connected to the output shaft of the hydraulic motor 12. The hydraulic motor 12 has a self-locking function to prevent the furnace door from locking. The 8-body mechanism prevents accidental opening, thus increasing safety. The rotary reducer 13 is mounted on the furnace door support 3. A door shaft support bearing 5 is installed on one side of the furnace door shaft 7. A door shaft seat plate 4 is installed in the middle of the door shaft support bearing 5. The door shaft seat plate 4 is fixed to the furnace door support 3 on all four sides. Limit switches 10 are installed on both sides of the furnace door support 3. A furnace door rotation limit block 11 is installed on one side of the outer ring surface of the furnace door shaft mounting flange 6. A furnace door 8 is installed at the end of the furnace door arm 9 away from the furnace door shaft 7. The hydraulic motor 12 drives the outer ring top plate of the rotary reducer 13 to rotate.

[0021] The furnace door hinge mounting flange 6 is connected to the outer ring top plate of the rotary reducer 13 via bolts and nuts. The axis of the furnace door hinge 7 is collinear with the axis of the furnace door hinge mounting flange 6. The outer ring top plate of the rotary reducer 13 drives the furnace door hinge mounting flange 6 to rotate, which in turn drives the furnace door hinge 7 to rotate. The furnace door hinge 7 drives the furnace door arm 9 to move circumferentially. Simultaneously, the furnace door hinge mounting flange 6 drives the furnace door rotation limit block 11 to move circumferentially. The furnace door hinge 7 can rotate along the door hinge support bearing 5. 5 is a square seat ball bearing with a boss and a set screw. The square seat of the door shaft support bearing 5 is installed on the door shaft seat plate 4. The limit switch 10 and the furnace door rotation limit block 11 control the opening and closing position of the furnace door 8, so that the furnace door 8 can be accurately positioned. The limit switches 10 on both sides are connected to the wiring terminals of the hydraulic motor 12 to control the hydraulic motor 12 to close. When the furnace door rotation limit block 11 contacts the limit switch 10 on one side, the furnace door 8 is closed. When the furnace door rotation limit block 11 contacts the limit switch 10 on the other side, the furnace door 8 is opened.

[0022] The end of the furnace door support 4 is fixedly installed on one side of the frame 2. The furnace body 1 is installed above the frame 2. The axis of the furnace door 8 can be aligned with the axis of the furnace body 1 to ensure that the furnace door 8 closes the furnace body 1.

[0023] Specifically, the hydraulic motor 12 is started to rotate. The output shaft of the hydraulic motor 12 drives the outer ring top plate of the rotary reducer 13 to rotate, causing the furnace door shaft 7 to rotate along with the rotary reducer 13 via the furnace door shaft mounting flange 6. The furnace door shaft 7 drives the furnace door 8 to move circumferentially via the furnace door arm 9. At the same time, the furnace door shaft mounting flange 6 causes the furnace door rotation limit block 11 to contact the limit switch 10 on one side, causing the hydraulic motor 12 to stop working. At this time, the furnace door 8 is in the open state. When the hydraulic motor 12 is controlled to rotate in the reverse direction, the furnace door rotation limit block 11 contacts the limit switch 10 on the other side, and the hydraulic motor 12 stops working. At this time, the furnace door is in the closed state. The opening and closing positions of the furnace door 8 are controlled by the limit switch 10 and the furnace door rotation limit block 11, so that the furnace door 8 can be accurately positioned. The hydraulic motor 12 has a self-locking function to prevent the door from being opened accidentally, thereby increasing the safety guarantee.

[0024] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A high-efficiency tilting rotary furnace door opening and closing device, characterized in that: Includes furnace door, furnace door arm, furnace door hinge, furnace door hinge mounting flange, hydraulic motor, rotary reducer, furnace door support, door hinge seat plate, door hinge support bearing, limit switch and furnace door rotation limit block; The furnace door, furnace door arm, furnace door hinge, and furnace door hinge mounting flange are fixedly connected to form a furnace door assembly. A rotary reducer is provided in the middle section of the furnace door hinge. The connecting shaft of the rotary reducer is connected to the output shaft of the hydraulic motor. The rotary reducer is mounted on the furnace door support. A door hinge support bearing is installed on one side of the furnace door hinge. A door hinge seat plate is provided in the middle section of the door hinge support bearing. The door hinge seat plate is fixed to the furnace door support on all four sides. Limit switches are provided on both sides of the furnace door support. A furnace door rotation limit block is provided on one side of the outer ring surface of the furnace door hinge mounting flange. The furnace door is provided at the end of the furnace door arm away from the furnace door hinge.

2. The high-efficiency tilting rotary furnace door opening and closing device according to claim 1, characterized in that: The furnace door hinge mounting flange is connected to the outer ring top plate of the rotary reducer by bolts and nuts, and the axis of the furnace door hinge and the axis of the furnace door hinge mounting flange are in the same straight line.

3. The high-efficiency tilting rotary furnace door opening and closing device according to claim 1, characterized in that: The limit switch and the furnace door rotation limit block control the opening and closing position of the furnace door, enabling the furnace door to be precisely positioned. The limit switches on both sides are connected to the wiring terminals of the hydraulic motor to control the hydraulic motor to shut down; When the furnace door rotation limit block comes into contact with the limit switch on one side, the furnace door is closed; When the furnace door rotation limit block comes into contact with the limit switch on the other side, the furnace door opens.

4. The high-efficiency tilting rotary furnace door opening and closing device according to claim 1, characterized in that: The end of the furnace door support is fixedly mounted on one side of the frame.

5. The high-efficiency tilting rotary furnace door opening and closing device according to claim 4, characterized in that: A furnace body is installed above the frame, and the axis of the furnace door is aligned with the axis of the furnace body.

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