CN220277223U

CN220277223U - Coal pulverizer export division door

Info

Publication number: CN220277223U
Application number: CN202321509439.8U
Authority: CN
Inventors: 欧阳国勤; 徐桥辉; 皮杰波; 吴家旭; 崔光美; 苏玉梅
Original assignee: Jiangxi Ganneng Co ltd
Current assignee: Jiangxi Ganneng Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-02
Anticipated expiration: 2033-06-14

Abstract

The utility model discloses an outlet isolation door of a coal mill, which belongs to the technical field of coal block processing and comprises an outlet, wherein an opening and closing mechanism is arranged on the side wall of the outlet, a cleaning mechanism is arranged at the bottom end of the outlet, a jack is formed in a through channel on the top surface of the outlet, a groove I is formed in the bottom surface of the outlet, the groove I is communicated with the through hole, the opening and closing mechanism comprises a fixed block, the fixed block is fixedly connected with the side wall of the outlet, a pneumatic push rod is arranged on the top surface of the fixed block, a connecting rod is fixedly connected with the other end of the pneumatic push rod, a door plate is fixedly connected to the bottom surface of the connecting rod, and the door plate is in sliding sleeve joint with the jack. This picture peg door can open and close the export, need not to adopt temporarily to install the steel sheet additional and keep apart, labour saving and time saving has also avoided furnace to emit positive tempering damage operating personnel, has improved factor of safety, and can clear up the coal ash fast for the door plant can normally be opened and close, the normal operation of the device of being convenient for.

Description

Coal pulverizer export division door

Technical Field

The utility model relates to the technical field of coal briquette processing, in particular to an outlet isolation door of a coal mill.

Background

The electric flashboard door is a valve with a flashboard and a valve seat which are always in tight contact and seal, an opening and closing piece of the electric flashboard door is a flashboard, the moving direction of the flashboard is vertical to the fluid direction, and the electric flashboard door can only be fully opened and fully closed and cannot be adjusted and throttled;

the general coal pulverizer export in the market is mostly kept apart with the steel sheet that installs additional temporarily, but this kind of mode is time consuming and power consuming, and the security is also lower, and generally inserts the gap of door plant and be easily blockked up by the coal ash to make insert the door plant unable normal start and stop, make the unable normal work of device, later stage clearance is also comparatively complicated simultaneously, has brought the problem of device defect, and for this reason, we propose a coal pulverizer export division gate.

Disclosure of Invention

The utility model aims to provide an outlet isolation door of a coal mill, which aims to solve the problems that the outlet of a general coal mill provided in the background art is mostly isolated by temporarily additionally arranging a steel plate, but the mode is time-consuming and labor-consuming, the safety is lower, and the gap of a general plug door plate is easy to be blocked by coal ash, so that the plug door plate cannot be normally opened and closed, the device cannot normally work, and the later cleaning is complex, and the defect of the device is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the coal mill outlet isolation door comprises an outlet, wherein an opening and closing mechanism is arranged on the side wall of the outlet, and a cleaning mechanism is arranged at the bottom end of the outlet;

the jack is formed in the top surface through channel of the outlet, the first groove is formed in the bottom surface of the outlet, and the first groove is communicated with the through hole.

Preferably, the opening and closing mechanism comprises a fixed block, the fixed block is fixedly connected with the side wall of the outlet, the top surface of the fixed block is provided with a pneumatic push rod, the other end of the pneumatic push rod is fixedly connected with a connecting rod, the bottom surface of the connecting rod is fixedly connected with a door plate, and the door plate is in sliding sleeve joint with the jack.

Preferably, the width of the door plate is equal to the diameter of the through hole, the height of the door plate is larger than the diameter of the through hole, and the pneumatic push rod drives the door plate to move through the fixing block and the connecting rod.

Preferably, the cleaning mechanism comprises a rotating shaft, the rotating shaft is rotationally connected with one end of the first groove, the rotating rod is fixedly connected with the outer surface of the rotating shaft, the rotating rod is in sliding sleeve joint with the first groove, the inserting rod is fixedly connected with the top surface of the rotating rod, the second groove is formed in the other end of the inserting rod, the first spring is installed on the side wall of the second groove, the clamping block is fixedly connected with the other end of the first spring, the clamping block is in sliding sleeve joint with the second groove, and the other end of the clamping block extends out of the inserting rod.

Preferably, the rotating shaft and the inserted bar are respectively located at two ends of the rotating rod, the first springs and the clamping blocks are respectively provided with two springs, and the first springs and the clamping blocks are respectively symmetrically arranged about the inserted bar.

Preferably, the draw-in groove one has been seted up to the right-hand member top surface of recess one, draw-in groove two has been seted up to the top lateral wall of draw-in groove one, the cavity has been seted up in the lateral wall of draw-in groove two, and draw-in groove one and inserted bar gomphosis cup joint, the fixture block cup joints with the gomphosis of draw-in groove two, and the terminal surface of fixture block is connected with the ejector pin on the contact, the other end of ejector pin extends to in the cavity, and the rigid coupling has the depression bar on the end of stretching into of ejector pin, the bottom of depression bar extends to outside the export, and installs spring two between the lateral wall of depression bar and cavity.

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

the flashboard door drives the door plate to ascend through the connecting rod on the pneumatic push rod, so that the outlet is opened, the pneumatic push rod is reversely started, the door plate is downwards moved by the connecting rod, the outlet is reclosed, a temporary steel plate is not required to be additionally arranged for isolation, time and labor are saved, operators are prevented from being damaged by fire in a hearth, and the safety coefficient is improved;

this picture peg door passes through the depression bar and drives ejector pin extrusion fixture block for in the fixture block shrink recess two, and extrusion spring one, thereby make fixture block and draw-in groove two break away from, the constraint of inserted bar has been removed, and then can stimulate the bull stick and rotate around the pivot, make the bull stick open recess one, the coal ash in recess one and the jack of being convenient for drops, reaches the purpose of quick clearance coal ash, and the door plant can normally be opened and close, the normal operation of the device of being convenient for.

Drawings

FIG. 1 is a semi-sectional view of the overall structure of the present utility model;

FIG. 2 is a right-side view partially in section of the structure of the present utility model;

FIG. 3 is an enlarged view of the portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the rotating rod of the present utility model.

In the figure: 1. an outlet; 2. an opening and closing mechanism; 21. a fixed block; 22. a pneumatic push rod; 23. a connecting rod; 24. a door panel; 3. a cleaning mechanism; 31. a rotating shaft; 32. a rotating rod; 33. a rod; 34. a first spring; 35. a clamping block; 36. a push rod; 37. a compression bar; 38. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1, the present utility model provides a technical solution: the utility model provides a coal pulverizer export division door, includes export 1, and opening and closing mechanism 2 is installed to the lateral wall of export 1, and clearance mechanism 3 is installed to the bottom of export 1;

referring to fig. 1, a jack is formed in a through channel on the top surface of the outlet 1, a groove one is formed in the bottom surface of the outlet 1, the groove one is communicated with the through hole, the opening and closing mechanism 2 comprises a fixed block 21, the fixed block 21 is fixedly connected with the side wall of the outlet 1, a pneumatic push rod 22 is mounted on the top surface of the fixed block 21, a connecting rod 23 is fixedly connected to the other end of the pneumatic push rod 22, a door plate 24 is fixedly connected to the bottom surface of the connecting rod 23, the door plate 24 is in sliding sleeve connection with the jack, the width of the door plate 24 is equal to the diameter of the through hole, the height of the door plate 24 is greater than the diameter of the through hole, and the pneumatic push rod 22 drives the door plate 24 to move through the fixed block 21 and the connecting rod 23.

Specifically, in the process of opening and closing the outlet 1, the pneumatic push rod 22 on the fixed block 21 is started, so that the pneumatic push rod 22 drives the door plate 24 to ascend through the connecting rod 23, the outlet 1 is opened, when the door plate 24 needs to be closed, the pneumatic push rod 22 is reversely started, so that the pneumatic push rod 22 moves down the door plate 24 through the connecting rod 23, the outlet 1 is closed again, the temporary additional steel plates are not needed to be adopted for isolation, time and labor are saved, operators are prevented from being damaged by fire back of a hearth, and the safety coefficient is improved.

Example 2:

referring to fig. 2-4, the cleaning mechanism 3 includes a rotating shaft 31, the rotating shaft 31 is rotationally connected with one end of a groove one, the outer surface of the rotating shaft 31 is fixedly connected with a rotating rod 32, the rotating rod 32 is slidably sleeved with the groove one, the top surface of the rotating rod 32 is fixedly connected with a plug rod 33, the other end of the plug rod 33 is provided with a groove two, a spring one 34 is mounted on the side wall of the groove two, the other end of the spring one 34 is fixedly connected with a clamping block 35, the clamping block 35 is slidably sleeved with the groove two, the other end of the clamping block 35 extends out of the plug rod 33, the rotating shaft 31 and the plug rod 33 are respectively positioned at two ends of the rotating rod 32, the spring one 34 and the clamping block 35 are respectively provided with two springs, the two springs one 34 and the clamping block 35 are respectively symmetrically arranged about the plug rod 33, a clamping groove one is provided with a clamping groove one on the top surface of the right end of the groove, a clamping groove two is provided with a clamping groove two on the top side wall, a cavity is formed in the side wall of the clamping groove two, the clamping groove one is sleeved with the clamping groove two, the clamping groove one is sleeved with the clamping groove two, the end of the clamping groove 35 is contacted and connected with a top rod 36 on the end face of the clamping block 35, the top rod 36 extends into the cavity, the other end of the clamping rod 36 extends into the cavity 37, and is fixedly connected with the bottom end 37 extends out of the bottom end 37 of the compression rod 37 and extends out of the cavity 37.

Specifically, in the process of cleaning the coal ash, the pressing rod 37 is pulled, the pressing rod 37 drives the ejector rod 36 to squeeze the clamping block 35, the clamping block 35 is contracted into the groove II, and the spring I34 is squeezed, so that the clamping block 35 is separated from the clamping groove II, the constraint of the inserting rod 33 is relieved, the rotating rod 32 can be pulled to rotate around the rotating shaft 31, the groove I is opened by the rotating rod 32, the coal ash in the groove I and the inserting hole is convenient to drop, the aim of cleaning the coal ash rapidly is achieved, the door plate 24 can be normally opened and closed, and the normal operation of the device is facilitated.

Working principle: when the outlet 1 needs to be opened, the pneumatic push rod 22 on the fixed block 21 is started, the door plate 24 is driven to ascend by the pneumatic push rod 22 through the connecting rod 23, so that the outlet 1 is opened, when the door plate 24 needs to be closed, the pneumatic push rod 22 is reversely started, the door plate 24 is downwards moved by the connecting rod 23, the outlet 1 is reclosed, a temporary steel plate is not required to be additionally arranged for isolation, time and labor are saved, operators are prevented from being tempered and damaged by a hearth, the safety factor is improved, when a gap of the door plate 24 is blocked by coal ash, the compression rod 37 is pulled, the compression rod 37 drives the ejector rod 36 to squeeze the clamping block 35, the clamping block 35 is contracted into the groove II, the spring 34 is squeezed, the clamping block 35 is separated from the clamping groove II, the constraint of the inserting rod 33 is relieved, the rotation of the rotary rod 32 around the rotary shaft 31 is pulled, the groove I is opened by the rotary rod 32, the purpose of quickly cleaning the coal ash in the groove I and the jack is achieved, the door plate 24 can be normally opened and closed, normal operation of the device is facilitated, and operation is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Coal pulverizer export division door, including export (1), its characterized in that: an opening and closing mechanism (2) is arranged on the side wall of the outlet (1), and a cleaning mechanism (3) is arranged at the bottom end of the outlet (1);

the jack is formed in the through channel on the top surface of the outlet (1), the first groove is formed in the bottom surface of the outlet (1), and the first groove is communicated with the through hole.

2. The coal pulverizer outlet isolation door of claim 1, wherein: the opening and closing mechanism (2) comprises a fixed block (21), the fixed block (21) is fixedly connected with the side wall of the outlet (1), a pneumatic push rod (22) is mounted on the top surface of the fixed block (21), a connecting rod (23) is fixedly connected with the other end of the pneumatic push rod (22), a door plate (24) is fixedly connected on the bottom surface of the connecting rod (23), and the door plate (24) is in sliding sleeve joint with the jack.

3. The coal pulverizer outlet isolation door of claim 2, wherein: the width of the door plate (24) is equal to the diameter of the through hole, the height of the door plate (24) is larger than the diameter of the through hole, and the pneumatic push rod (22) drives the door plate (24) to move through the fixing block (21) and the connecting rod (23).

4. The coal pulverizer outlet isolation door of claim 1, wherein: the cleaning mechanism (3) comprises a rotating shaft (31), the rotating shaft (31) is rotationally connected with one end of a first groove, a rotating rod (32) is fixedly connected to the outer surface of the rotating shaft (31), the rotating rod (32) is in sliding sleeve joint with the first groove, an inserting rod (33) is fixedly connected to the top surface of the rotating rod (32), a second groove is formed in the other end of the inserting rod (33), a first spring (34) is arranged on the side wall of the second groove, a clamping block (35) is fixedly connected to the other end of the first spring (34), the clamping block (35) is in sliding sleeve joint with the second groove, and the other end of the clamping block (35) extends out of the inserting rod (33).

5. The coal pulverizer outlet isolation door of claim 4, wherein: the rotary shaft (31) and the inserting rod (33) are respectively located at two ends of the rotary rod (32), the first springs (34) and the clamping blocks (35) are respectively arranged in two, and the first springs (34) and the clamping blocks (35) are respectively symmetrically arranged relative to the inserting rod (33).

6. The coal pulverizer outlet isolation door of claim 4, wherein: the right-end top surface of recess one has seted up draw-in groove one, draw-in groove two has been seted up to the top lateral wall of draw-in groove one, seted up the cavity in the lateral wall of draw-in groove two, and draw-in groove one and inserted bar (33) gomphosis cup joint, fixture block (35) and draw-in groove two gomphosis cup joint.

7. The coal pulverizer outlet isolation door of claim 4, wherein: the end face of the clamping block (35) is connected with a push rod (36) in a contact manner, the other end of the push rod (36) extends into the cavity, a compression rod (37) is fixedly connected to the extending end of the push rod (36), the bottom end of the compression rod (37) extends out of the outlet (1), and a second spring (38) is arranged between the compression rod (37) and the side wall of the cavity.