阅读说明：本技术 一种选煤厂沫煤溜槽自动清理防堵机 (Automatic cleaning and anti-blocking machine for foam coal chute of coal preparation plant ) 是由 李显荣 于 2020-07-13 设计创作，主要内容包括：本发明公开了一种选煤厂沫煤溜槽自动清理防堵机,包括溜槽,溜槽的上表面依次设置有积煤感应装置和积煤清理装置,积煤清理装置由电机和软轴绞龙组成,软轴绞龙呈弯曲状设置于溜槽的内腔,电机与溜槽的上表面活动穿插连接,且软轴绞龙的一端与电机的输出轴传动连接,积煤感应装置包括封堵门,封堵门与溜槽的上表面活动穿插连接,封堵门上表面固定连接有动触头,封堵门的上方设有行程开关,且行程开关的上表面固定连接有凹型固定架。本发明利用积煤感应装置以及电机和软轴绞龙组成的积煤清理装置的设置能够自动根据溜槽的积煤堵塞情况自动控制软轴绞龙转动清理堵塞的积煤,保证煤炭在溜槽内的运行,结构简单,清理效果好,运行费用较低。(The invention discloses an automatic cleaning and anti-blocking machine for a coal preparation plant foam chute, which comprises a chute, wherein a coal accumulation sensing device and a coal accumulation cleaning device are sequentially arranged on the upper surface of the chute, the coal accumulation cleaning device is composed of a motor and a flexible shaft auger, the flexible shaft auger is arranged in an inner cavity of the chute in a bending shape, the motor is movably and alternately connected with the upper surface of the chute, one end of the flexible shaft auger is in transmission connection with an output shaft of the motor, the coal accumulation sensing device comprises a blocking door, the blocking door is movably and alternately connected with the upper surface of the chute, the upper surface of the blocking door is fixedly connected with a movable contact, a concave travel switch is arranged above the blocking door, and the upper surface of the travel switch is fixedly connected with. The invention utilizes the arrangement of the accumulated coal cleaning device consisting of the accumulated coal sensing device, the motor and the flexible shaft packing auger to automatically control the flexible shaft packing auger to rotate to clean the blocked accumulated coal according to the accumulated coal blocking condition of the chute, ensures the operation of the coal in the chute, and has simple structure, good cleaning effect and lower operation cost.)

1. The utility model provides a coal preparation plant foam coal chute is automatic to be cleared up and prevents stifled machine, includes chute (1), its characterized in that: the upper surface of chute (1) has set gradually long-pending coal induction system and long-pending coal cleaning device, long-pending coal cleaning device comprises motor (3) and flexible axle auger (12), flexible axle auger (12) are crooked form and set up in the inner chamber of chute (1), motor (3) alternate with the upper surface activity of chute (1) and are connected, just the one end of flexible axle auger (12) is connected with the output shaft transmission of motor (3).

2. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 1 is characterized in that: the coal accumulation sensing device comprises a blocking door (2), wherein the blocking door (2) is movably and alternately connected with the upper surface of a chute (1), a moving contact (4) is fixedly connected with the upper surface of the blocking door (2), a travel switch (5) is arranged above the blocking door (2), a concave fixing frame (6) is fixedly connected with the upper surface of the travel switch (5), and the bottoms of the inner walls of two sides of the concave fixing frame (6) are fixedly connected with the outer walls of two sides of the chute (1) through bolts.

3. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 2 is characterized in that: bar through-hole (7) have been seted up to the both sides of concave type mount (6), the bottom of bar through-hole (7) inner chamber is equipped with slide bar (8), one end of slide bar (8) and one side fixed connection of shutoff door (2), the top fixedly connected with reset spring (9) of bar through-hole (7) inner chamber, the bottom of reset spring (9) and the outer wall fixed connection of slide bar (8).

4. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 1 is characterized in that: the middle part fixedly connected with protruding type fixed block (11) of shutoff door (2) lower surface, the fixed interlude in middle part of protruding type fixed block (11) is connected with elastic rubber pad (10), just elastic rubber pad (10) upper surface sets up with the top laminating of chute (1) inner wall.

5. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 1 is characterized in that: the accumulated coal sensing device is arranged at a position 12m above the easy-blocking position of the chute (1), and the accumulated coal cleaning device is arranged at a position 15m above the easy-blocking position of the chute (1).

6. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 1 is characterized in that: the outside cover of motor (3) is equipped with fixed frame (13), just the bottom of fixed frame (13) is connected with the last fixed surface of chute (1), both sides fixedly connected with semicircle board (14) of fixed frame (13) upper surface, the both sides fixedly connected with pivot (15) of motor (3), just the middle part rotation that the bearing was passed through to the one end of pivot (15) is connected with semicircle board (14).

7. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 6 is characterized in that: the avris of fixed frame (13) upper surface articulates there is first bracing piece (16), the top interlude of first bracing piece (16) is connected with second bracing piece (17), just the top of second bracing piece (17) is articulated with the lower surface of motor (3), the top of first bracing piece (16) is provided with adjusting nut (19) through rectangle through-hole (18) activity of seting up, just the thread groove threaded connection that the inner wall of adjusting nut (19) and second bracing piece (17) outside were seted up.

8. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 1 is characterized in that: the flexible shaft packing auger (12) is made of soft spiral steel.

9. The automatic cleaning and anti-blocking machine for the foam coal chute of the coal preparation plant according to claim 1 is characterized in that: the motor (3) is electrically connected with an external power supply through a travel switch (5).

Technical Field

The invention relates to the field of coal chute conveying, in particular to an automatic cleaning and anti-blocking machine for a foam coal chute of a coal preparation plant.

Background

Coal deposit causes the chute to block up in the coal preparation plant foam coal chute because the moisture of coal is high or chute frictional force increases, influences the normal clear-up of washing production, adopts the vibration chute mode prevention under the general condition, but in the in-service use, chute vibration amplitude is little can not effectively be with the long-pending coal clearance of adhering to in the chute, and generally shake 5 seconds every 20 seconds, and the charges of electricity is high, and the effect is poor, and most chutes of coal preparation plant all rely on self frictional force to prevent that stifled effect is worse, often takes place the jam accident.

Disclosure of Invention

The invention aims to provide an automatic cleaning anti-blocking machine for a foam coal chute of a coal preparation plant, which aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic clearance of coal preparation plant foam chute prevents stifled machine, includes the chute, the upper surface of chute has set gradually long-pending coal induction system and long-pending coal cleaning device, long-pending coal cleaning device comprises motor and flexible axle auger, the flexible axle auger is crooked form and sets up in the inner chamber of chute, the motor alternates with the upper surface activity of chute to be connected, just the one end of flexible axle auger is connected with the output shaft transmission of motor.

Preferably, the coal accumulation sensing device comprises a plugging door, the plugging door is movably and alternately connected with the upper surface of the chute, the upper surface of the plugging door is fixedly connected with a moving contact, a travel switch is arranged above the plugging door, a concave fixing frame is fixedly connected with the upper surface of the travel switch, and the bottoms of the inner walls on two sides of the concave fixing frame are fixedly connected with the outer walls on two sides of the chute through bolts.

Preferably, the strip-shaped through holes are formed in two sides of the concave fixing frame, the bottom end of the inner cavity of each strip-shaped through hole is provided with a sliding rod, one end of each sliding rod is fixedly connected with one side of the plugging door, the top end of the inner cavity of each strip-shaped through hole is fixedly connected with a reset spring, and the bottom end of each reset spring is fixedly connected with the outer wall of each sliding rod.

Preferably, the middle part fixedly connected with protruding type fixed block of shutoff door lower surface, the middle part fixed interlude of protruding type fixed block is connected with elastic rubber pad, just elastic rubber pad upper surface sets up with the top laminating of chute inner wall.

Preferably, the accumulated coal sensing device is arranged at a position m above the chute blockage prone position, and the accumulated coal cleaning device is arranged at a position m above the chute blockage prone position.

Preferably, the outside cover of motor is equipped with fixed frame, just the bottom of fixed frame is connected with the last fixed surface of chute, the both sides fixedly connected with semicircle board of fixed frame upper surface, the both sides fixedly connected with pivot of motor, just the middle part rotation that the bearing was passed through to the one end of pivot is connected with the semicircle board.

Preferably, the avris of fixed frame upper surface articulates there is first bracing piece, the top of first bracing piece alternates and is connected with the second bracing piece, just the top of second bracing piece is articulated with the lower surface of motor, the top of first bracing piece is provided with adjusting nut through the rectangle through-hole activity of seting up, just the thread groove threaded connection that adjusting nut's inner wall and second bracing piece outside were seted up.

Preferably, the flexible shaft packing auger is made of soft spiral steel.

Preferably, the motor is electrically connected with an external power supply through a travel switch.

The invention has the technical effects and advantages that:

1. according to the invention, the accumulated coal cleaning device consisting of the accumulated coal sensing device, the motor and the flexible shaft packing auger is arranged, so that the flexible shaft packing auger can be automatically controlled to rotate to clean the blocked accumulated coal according to the accumulated coal blocking condition of the chute, the running of the coal in the chute is ensured, the structure is simple, the cleaning effect is good, and the running cost is low;

2. according to the invention, the arrangement of the strip-shaped through hole, the slide rod and the reset spring is utilized, the plugging door can be driven to automatically return to the initial position after accumulated coal in the chute is cleaned by the flexible shaft auger, and the disconnection of the switch is realized, so that the automatic control of the switch of the motor is realized, unnecessary power waste is eliminated, the use cost is reduced, and the economic benefit is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a front sectional structural view of the present invention.

FIG. 3 is a side view, partially in section, of FIG. 1 in accordance with the present invention.

Fig. 4 is a schematic view of the enlarged structure at a of fig. 2 according to the present invention.

Fig. 5 is a front partial structure schematic view of the fixing frame of the present invention.

Fig. 6 is a partial enlargement of the invention at B of fig. 5.

In the figure: 1. a chute; 2. plugging the door; 3. a motor; 4. a moving contact; 5. a travel switch; 6. a concave fixing frame; 7. a strip-shaped through hole; 8. a slide bar; 9. a return spring; 10. an elastic rubber pad; 11. a convex fixed block; 12. a flexible shaft auger; 13. a fixing frame; 14. a semicircular plate; 15. a rotating shaft; 16. a first support bar; 17. a second support bar; 18. a rectangular through hole; 19. and adjusting the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an automatic cleaning and anti-blocking machine for a coal preparation plant foam chute, which comprises a chute 1, wherein a coal accumulation sensing device and a coal accumulation cleaning device are sequentially arranged on the upper surface of the chute 1, the coal accumulation sensing device is arranged at a position 12m above a position easily blocked by the chute 1, the coal accumulation cleaning device is arranged at a position 15m above the position easily blocked by the chute 1, so that the coal accumulation sensing device and the coal accumulation cleaning device can be arranged at accurate positions of the chute 1, the sensing efficiency and the cleaning efficiency of the coal accumulation in the chute 1 are improved, the coal accumulation cleaning device comprises a motor 3 and a flexible shaft auger 12, the motor 3 is used for driving the flexible shaft auger 12 to rotate to drive the coal accumulation in the chute 1 to move, the cleaning flexible shaft of the coal accumulation is realized, the auger 12 is arranged in a bent shape in an inner cavity of the chute 1, the auger 12 is made of flexible spiral steel, so that the auger 12 can be bent and placed in the chute 1 to a certain degree, the installation convenience of the flexible shaft packing auger 12 is improved, meanwhile, the flexible shaft packing auger 12 is convenient to drive accumulated coal to move and convey, the motor 3 is movably and alternately connected with the upper surface of the chute 1, and one end of the flexible shaft packing auger 12 is in transmission connection with an output shaft of the motor 3.

Coal accumulation induction system includes shutoff door 2, shutoff door 2 alternates with the upper surface activity of chute 1 and is connected, fixed surface is connected with moving contact 4 on shutoff door 2, the top of shutoff door 2 is equipped with travel switch 5, and travel switch 5's upper surface is fixedly connected with concave type mount 6, the bottom of concave type mount 6 both sides inner wall all is through bolt and chute 1's both sides outer wall fixed connection, motor 3 passes through travel switch 5 and external power source electric connection, utilize the coal in chute 1 stifled a certain position of stifled propping of a certain position of chute to shutoff door 2, the contact on moving contact 4 on the time shutoff door 2 and the travel switch 5, thereby can be according to the switch of the coal accumulation condition control motor 3 in chute 1, realize the automatic clearance to the coal accumulation.

Strip through-hole 7 has been seted up to the both sides of concave type mount 6, the bottom of the 7 inner chambers of strip through-hole is equipped with slide bar 8, one end of slide bar 8 and one side fixed connection of shutoff door 2, the top fixedly connected with reset spring 9 of the 7 inner chambers of strip through-hole, reset spring 9's bottom and slide bar 8's outer wall fixed connection, reset spring 9 compresses when utilizing shutoff door 2 to be extrudeed to shift up, after long-pending coal clearance, the extrusion force efficiency of shutoff door 2, utilize reset spring 9's elastic restoring force to drive shutoff door 2 automatic re-setting, so that long-lasting the use of long-pending coal induction system.

The middle part fixedly connected with protruding type fixed block 11 of 2 lower surfaces of shutoff door, the fixed interlude in middle part of protruding type fixed block 11 is connected with elastic rubber pad 10, and the top laminating setting of elastic rubber pad 10 upper surface and chute 1 inner wall can be when shutoff door 2 shifts up, and elastic rubber pad 10 bending deformation seals the junction of shutoff door 2 and chute 1, prevents that the long-pending coal that blocks up from revealing.

The outside cover of motor 3 is equipped with fixed frame 13, and the bottom of fixed frame 13 is connected with the last fixed surface of chute 1, the both sides fixedly connected with semicircle board 14 of fixed frame 13 upper surface, the both sides fixedly connected with pivot 15 of motor 3, and the one end of pivot 15 is passed through the bearing and is connected with the middle part rotation of semicircle board 14, the installation of motor 3 can be convenient for in the setting of fixed frame 13, semicircle board 14 and pivot 15's setting can make motor 3 rotate simultaneously, thereby the inserted position of adjustment motor 3 and flexible axle auger 12, so that the better 1 inner chamber of chute that inserts of flexible axle auger 12, improve the clearance effect to the long-pending coal.

The avris of fixed frame 13 upper surface articulates there is first bracing piece 16, the top of first bracing piece 16 alternates and is connected with second bracing piece 17, and the top of second bracing piece 17 is articulated with the lower surface of motor 3, the top of first bracing piece 16 is provided with adjusting nut 19 through the rectangle through-hole 18 activity of seting up, and adjusting nut 19's inner wall and the thread groove threaded connection that second bracing piece 17 outside was seted up, through clockwise or anticlockwise rotation adjusting nut 19, the length that second bracing piece 17 stretched out or retracted first bracing piece 16 is controlled, the turned angle of motor 3 is controlled, reach the effect of accurate adjustment, can also be after the adjustment automatic maintenance motor 3 position fixed simultaneously.

The working principle of the invention is as follows: when the coal in the chute 1 is blocked to a certain position, the blocking door 2 is opened, the blocking door 2 drives the movable contact 4 to move upwards, the movable contact 4 is in contact with and extrudes the contact of the travel switch 5, the travel switch 5 is closed, the motor 3 is communicated with an external power supply, the output shaft of the motor 3 drives the flexible shaft packing auger 12 to rotate, so that the flexible shaft packing auger 12 drives the coal accumulated in the chute 1 to move and clean, after the blocked coal is conveyed by the flexible shaft packing auger 12 in a rotating mode, the chute 1 is recovered to be unblocked again, after the blocking door 2 loses the extrusion of the coal, the reset spring 9 resets and extrudes the slide rod 8 downwards, the slide rod 8 drives the blocking door 2 to move back to the initial position, at the moment, the movable contact 4 is separated from the contact of the travel switch 5, the travel switch 5 is disconnected, the motor 3 stops rotating, and therefore, the accumulated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.