CN115199168A

CN115199168A - Access door device of coal mill

Info

Publication number: CN115199168A
Application number: CN202210776857.7A
Authority: CN
Inventors: 刘晓峰; 曲舒杨; 刘新宇; 李林; 罗健; 姚忠科; 刘云龙; 魏浩文; 孙浩维; 李景栋; 李瀚文
Original assignee: Huaneng Yingkou Thermal Power Co Ltd
Current assignee: Huaneng Yingkou Thermal Power Co Ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-18
Anticipated expiration: 2042-07-04
Also published as: CN115199168B

Abstract

The invention discloses an access door device of a coal mill, which relates to the field of coal processing and comprises a machine body, wherein a door frame, first transverse plates, a clamping sleeve and a positioning assembly are respectively arranged on the machine body, a first rotating shaft is connected between the two first transverse plates, the positioning assembly comprises a movable shaft and a fixed plate, a movable groove is formed in the fixed plate, a movable rod is arranged in the movable groove, the top end of the movable rod is connected with a gear, and a rotating plate is connected to the movable shaft. According to the invention, the positioning assembly is arranged, when the door plate is closed, a user can loosen the rotating plate, the return spring recovers elasticity and stretches to drive the rotating plate to reset, and the rotating plate can drive the clamping plate to reset after resetting, so that the clamping plate is clamped between the gears, the gears can be limited, the gears are prevented from moving randomly, the clamping sleeve can be limited, the clamping sleeve is prevented from rotating randomly, and the stability of the movable frame and the clamping sleeve is improved.

Description

Access door device of coal mill

Technical Field

The invention relates to the field of coal processing, in particular to an access door device of a coal mill.

Background

The coal pulverizer is one of the essential main equipment in the thermal power factory, and is equipped with the access door on the coal pulverizer to can open the access door fast and get into inside when the inside problem that appears of coal pulverizer, thereby can overhaul the coal pulverizer.

According to the chinese patent with publication number CN213391821U, an access door device of a coal mill is disclosed, the utility model discloses structural design is simple reasonable, can easily quick open and close the door plant, brings the convenience for the coal mill is overhauld.

To the above-mentioned patent content that discloses, the inventor thinks that card external member and cutting ferrule accessible pivot rotate, and when the door plant closed back cutting ferrule and cutting ferrule were in same horizontal straight line, because of being difficult to carry on spacing fixed to the card external member, lead to the cutting ferrule easily to drive the moving part and rotate at will, and then reduced the stability of card external member to reduce the steadiness after the door plant closed.

Disclosure of Invention

Based on the above, the invention aims to provide an access door device of a coal mill, which aims to solve the technical problem that a clamping sleeve part is easy to rotate randomly so as to reduce the stability of the clamping sleeve part.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an access door device of coal pulverizer, includes the organism, be equipped with door frame, first diaphragm, cutting ferrule and locating component, two on the organism respectively be connected with first pivot between the first diaphragm, locating component includes loose axle and fixed plate, the activity groove has been seted up on the fixed plate, the inside in activity groove is equipped with the movable rod, the top of movable rod is connected with the gear, be connected with the commentaries on classics board on the loose axle, one side of commentaries on classics board is connected with the cardboard, the bottom of cardboard is connected with reset spring, be equipped with the door plant on the door frame, be provided with firm subassembly on the organism.

Through adopting above-mentioned technical scheme, the subassembly that stabilizes can play the supporting role to door plant and link, and then stability when improving the door plant and rotating.

Furthermore, two second transverse plates are mounted on the outer surface of the door plate, a second rotating shaft is connected between the two second transverse plates, and a connecting frame is connected between the second rotating shaft and the first rotating shaft.

Through adopting above-mentioned technical scheme, can drive the door plant when the link rotates and rotate, and then be convenient for open or close the door plant.

Further, the rotating plate and the clamping plate are rotatably connected with the machine body through a movable shaft, and the clamping plate is in contact with the gear.

Through adopting above-mentioned technical scheme, the cardboard can be spacing to the gear rotates at will.

Furthermore, the stabilizing assembly comprises a first stabilizing plate and a second stabilizing plate, a rotating groove penetrates through the top of the first stabilizing plate, a rotating rod is arranged inside the rotating groove, a ball groove is formed in the top of the second stabilizing plate, balls are arranged inside the ball groove, and a connecting rod is connected to the tops of the balls.

Through adopting above-mentioned technical scheme, it can drive bull stick and connecting rod rotation when the link rotates, and the connecting rod then drives the ball and rotates for the ball slides in ball groove inside.

Furthermore, the top end of the connecting rod and the bottom end of the rotating rod are both connected with the connecting frame, and the balls are connected with the ball grooves in a sliding mode.

Through adopting above-mentioned technical scheme, can make the ball roll in ball groove inside, can drive connecting rod and bull stick rotation when the link rotates simultaneously.

Furthermore, the cutting ferrule is connected with the card external member through the connecting axle, two install the adjustable shelf between the card external member, the inside of adjustable shelf is equipped with the lead screw.

Through adopting above-mentioned technical scheme to the cutting ferrule rotates, can drive the adjustable shelf after the cutting ferrule rotates and rotate.

Furthermore, one end of the screw rod is provided with an aligning block, a bolt hole and a screw rod hole are respectively formed in the aligning block, and the screw rod is connected with the aligning block through the screw rod hole.

Through adopting above-mentioned technical scheme, the lead screw can be spacing to the aligning block, and one side of aligning block can with second pivot in close contact with.

Furthermore, an inner bolt is arranged inside the bolt hole, one end of the inner bolt penetrates through the screw rod, and the bolt hole is communicated with the screw rod hole.

By adopting the technical scheme, the bolt can be conveniently installed through the arrangement of the bolt hole, and the stability of the inner bolt is further improved.

Furthermore, door plant and link rotate with first diaphragm through first pivot and be connected, the height of door plant is less than the interval between two blocks of sheathes.

Through adopting above-mentioned technical scheme to door plant and link rotate, thereby can open or close the door plant, and the setting of cutting ferrule can not hinder the door plant to open or close.

In summary, the invention mainly has the following beneficial effects:

1. according to the invention, by arranging the positioning assembly, after the door plate is closed, a user can loosen the rotating plate, the return spring recovers elasticity and stretches to drive the rotating plate to reset, and the rotating plate can drive the clamping plate to reset after resetting, so that the clamping plate is clamped between the gears, the gears can be limited, the gears are prevented from moving randomly, the clamping sleeve can be limited, the clamping sleeve is prevented from rotating randomly, and the stability of the movable frame and the clamping sleeve is improved;

2. according to the invention, the connecting frame is provided with the stabilizing component, when rotating, the connecting frame can drive the rotating rod and the connecting rod to rotate, the connecting rod drives the ball to rotate, so that the ball slides in the ball groove, meanwhile, the rotating rod can slide in the rotating groove, and the matching of the rotating rod and the connecting rod can share the pressure borne by the connecting frame, thereby avoiding the fracture and damage of the connecting frame and improving the stability of the connecting frame during rotation.

Drawings

FIG. 1 is a schematic overall front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic perspective view of a partial structure of the connecting frame of the present invention;

FIG. 5 is a schematic perspective view of a portion of the movable frame of the present invention;

FIG. 6 is a top view of a portion of the fixing plate according to the present invention;

fig. 7 is a schematic side-sectional partial structure view of the aligning block of the present invention.

In the figure: 1. a body; 2. a door frame; 3. a door panel; 4. a first transverse plate; 5. a first rotating shaft; 6. a second transverse plate; 7. a second rotating shaft; 8. a positioning assembly; 801. a movable shaft; 802. rotating the plate; 803. a return spring; 804. a fixing plate; 805. clamping a plate; 806. a gear; 807. a movable groove; 808. a movable rod; 9. a stabilizing assembly; 901. a first stabilizing plate; 902. a second stabilizing plate; 903. a connecting rod; 904. a rotating rod; 905. a rotating groove; 906. a ball groove; 907. a ball bearing; 10. a card sleeve; 11. a card kit; 12. a screw rod; 13. a turntable; 14. a screw hole; 15. a threaded hole; 16. an inner bolt; 17. a movable frame; 18. a connecting frame; 19. and (7) adjusting the center block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

An access door device of a coal mill is shown in figures 1, 2, 3, 4, 5 and 6 and comprises a machine body 1, wherein a door frame 2, a first transverse plate 4, a clamping sleeve 10 and a positioning component 8 are respectively arranged on the machine body 1, a first rotating shaft 5 is connected between the two first transverse plates 4, a door plate 3 is arranged on the door frame 2, a stabilizing component 9 is arranged on the machine body 1, and the stabilizing component 9 can support the door plate 3 and a connecting frame 18.

Specifically, the positioning assembly 8 includes a movable shaft 801 and a fixed plate 804, a movable groove 807 is formed in the fixed plate 804, a movable rod 808 is disposed inside the movable groove 807, the bottom end of the movable rod 808 is connected to the sleeve 11, the sleeve 11 can drive the movable rod 808 to rotate when rotating, so that the movable rod 808 can slide on the movable groove 807, a gear 806 is connected to the top end of the movable rod 808, a rotating plate 802 is connected to the movable shaft 801, the rotating plate 802 and the clamping plate 805 are rotatably connected to the machine body 1 through the movable shaft 801, the clamping plate 805 is in contact with the gear 806, the clamping plate 805 can limit the gear 806, so that the gear 806 can rotate freely, a clamping plate 805 is connected to one side of the rotating plate 802, a return spring 803 is connected to the bottom of the clamping plate 805, one end of the return spring 803 is connected to the machine body 1, so that the return spring 803 can be stretched or squeezed when the rotating plate 802 rotates, and the return spring 803 can be pulled to return quickly to return by the return spring 803.

Specifically, the stabilizing assembly 9 includes a first stabilizing plate 901 and a second stabilizing plate 902, a rotation groove 905 penetrates through the top of the first stabilizing plate 901, a rotation rod 904 is arranged inside the rotation groove 905, the top end of the rotation rod 904 is connected with a limiting plate, the bottom of the limiting plate contacts with the top of the first stabilizing plate 901, the limiting plate can slide on the first stabilizing plate 901, and further stability of the rotation rod 904 in rotation is improved, a ball groove 906 is formed in the top of the second stabilizing plate 902, a ball 907 is arranged inside the ball groove 906, when the connecting frame 18 rotates, the rotating rod 904 and the connecting rod 903 can be driven to rotate, the connecting rod 903 drives the ball 907 to rotate, the ball 907 slides inside the ball groove 906, the top end of the ball 903 is connected with the connecting rod 903, the top end of the connecting rod 903 and the bottom end of the rotation rod 904 are both connected with the connecting frame 18, the ball 907 can roll inside the ball groove 906, and the ball 907 is connected with the ball groove 906 in a sliding manner.

Referring to fig. 1, 2, 3, 4 and 5, two second transverse plates 6 are installed on the outer surface of a door panel 3, a second rotating shaft 7 is connected between the two second transverse plates 6, a connecting frame 18 is connected between the second rotating shaft 7 and a first rotating shaft 5, the connecting frame 18 can drive the door panel 3 to rotate when rotating, and further the door panel 3 can be opened or closed conveniently, a clamping sleeve 10 is connected with a clamping sleeve 11 through a connecting shaft, a movable frame 17 is installed between the two clamping sleeve 11, a lead screw 12 is arranged inside the movable frame 17, one end of the lead screw 12 is connected with a rotating disc 13, so that the lead screw 12 can be rotated through the rotating disc 13, so that the clamping sleeve 11 can drive the movable frame 17 to rotate after the clamping sleeve 11 rotates, one end of the lead screw 12 is provided with an aligning block 19, a bolt hole 15 and a screw rod hole 14 are respectively formed inside the aligning block 19, the lead screw 12 can limit the aligning block 19, one side of the aligning block 19 can be in close contact with the second rotating shaft 7, a bolt hole 16 is formed inside the clamping sleeve 15, one end of the bolt hole 12 penetrates through the bolt hole 12, the bolt hole 15 and the bolt hole 14 is communicated with the door panel 3, and the door panel 3 can not be opened, and the door panel 3 can be closed conveniently, and the door panel 3 can be closed through the connecting shaft 18, and the door panel 3, and the door plate 10, and the door.

The implementation principle of the embodiment is as follows: firstly, when a user needs to open the door panel 3, the screw rod 12 is moved out of the screw rod hole 14 by rotating the rotary disc 13, then the rotary plate 802 is rotated upwards, the return spring 803 is stretched after the rotary plate 802 rotates, and the clamping plate 805 is driven to rotate, so that the clamping plate 805 is moved out of the gear 806, the gear 806 is not limited by the clamping plate 805 any more, and the door panel 3 can be rotated to open the door panel 3, so that the maintenance of the user is facilitated;

the door panel 3 can drive the clamping piece 11 to rotate after rotating, meanwhile, the connecting frame 18 rotates, when the connecting frame 18 rotates, the connecting rod 903 can drive the rotating rod 904 and the connecting rod 903 to rotate, the connecting rod 903 drives the ball 907 to rotate, so that the ball 907 slides in the ball groove 906, meanwhile, the rotating rod 904 slides in the rotating groove 905, and the matching of the rotating rod 904 and the connecting rod 903 can share the pressure born by the connecting frame 18, so that the breakage and the damage of the connecting frame 18 are avoided;

when the door panel 3 is closed, the user can loosen the rotating plate 802, the return spring 803 recovers elasticity and stretches to drive the rotating plate 802 to reset, the rotating plate 802 can drive the clamping plate 805 to reset after resetting, the clamping plate 805 is clamped between the gears 806, the gears 806 can be limited, the gears 806 can be prevented from moving at will, the clamping sleeve 11 can be limited, and the clamping sleeve 11 can be prevented from rotating at will.

Although embodiments of the present invention have been shown and described, it is intended that the present invention should not be limited thereto, that the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and that modifications, substitutions, variations or the like, which are not inventive and may be made by those skilled in the art without departing from the principle and spirit of the present invention and without departing from the scope of the claims.

Claims

1. The utility model provides an access door device of coal pulverizer, includes organism (1), its characterized in that: be equipped with door frame (2), first diaphragm (4), cutting ferrule (10) and locating component (8) on organism (1) respectively, two be connected with first pivot (5) between first diaphragm (4), locating component (8) include loose axle (801) and fixed plate (804), movable groove (807) have been seted up on fixed plate (804), the inside of movable groove (807) is equipped with movable rod (808), the top of movable rod (808) is connected with gear (806), be connected with on loose axle (801) and change board (802), one side of changeing board (802) is connected with cardboard (805), the bottom of cardboard (805) is connected with reset spring (803), be equipped with door plant (3) on door frame (2), be provided with firm subassembly (9) on organism (1).

2. The access door apparatus of a coal pulverizer as defined in claim 1, wherein: the outer surface mounting of door plant (3) has two second diaphragms (6), two be connected with second pivot (7) between second diaphragm (6), be connected with link (18) between second pivot (7) and first pivot (5).

3. The access door apparatus of a coal pulverizer as defined in claim 1, wherein: the rotating plate (802) and the clamping plate (805) are rotatably connected with the machine body (1) through a movable shaft (801), and the clamping plate (805) is in contact with the gear (806).

4. The access door apparatus of a coal pulverizer as defined in claim 1, wherein: the stabilizing assembly (9) comprises a first stabilizing plate (901) and a second stabilizing plate (902), a rotating groove (905) penetrates through the top of the first stabilizing plate (901), a rotating rod (904) is arranged inside the rotating groove (905), a ball groove (906) is formed in the top of the second stabilizing plate (902), a ball (907) is arranged inside the ball groove (906), and the top of the ball (907) is connected with a connecting rod (903).

5. The access door apparatus of the coal pulverizer as defined in claim 4, wherein: the top end of the connecting rod (903) and the bottom end of the rotating rod (904) are both connected with the connecting frame (18), and the ball (907) is in sliding connection with the ball groove (906).

6. The access door apparatus of a coal pulverizer as defined in claim 1, wherein: the clamp sleeve (10) is connected with a clamp sleeve piece (11) through a connecting shaft, a movable frame (17) is installed between the clamp sleeve pieces (11), and a screw rod (12) is arranged inside the movable frame (17).

7. The access door apparatus of the coal pulverizer as defined in claim 6, wherein: one end of the screw rod (12) is provided with a centering block (19), a bolt hole (15) and a screw rod hole (14) are respectively formed in the centering block (19), and the screw rod (12) is connected with the centering block (19) through the screw rod hole (14).

8. The access door apparatus of a coal pulverizer as defined in claim 7, wherein: an inner bolt (16) is arranged inside the bolt hole (15), one end of the inner bolt (16) penetrates through the screw rod (12), and the bolt hole (15) is communicated with the screw rod hole (14).

9. The access door apparatus for a coal pulverizer as defined in claim 1, wherein: the door plate (3) and the connecting frame (18) are rotatably connected with the first transverse plate (4) through the first rotating shaft (5), and the height of the door plate (3) is smaller than the distance between the two clamping sleeves (10).