CN106114020A - A kind of blackboard eraser - Google Patents

Abstract

The invention relates to a blackboard cleaning machine. The upper and lower rods are detachably fixed to the upper left, upper right, lower left and lower right fixing seats respectively, and the upper left, upper right, lower left and lower right fixing seats are respectively fixed outside the four corners of the blackboard, and the upper and lower rods pass through the upper and lower sleeves respectively Fix the trolley frame, fix the trolley on the trolley frame, fix the blackboard erasing motor on the trolley, fix the rotary eraser on the blackboard erasing motor; fix the first left and right moving motor on the lower right fixing seat, and fix the first wire winch on the first left and right moving motor , one end of the first left-moving steel wire and the first right-moving steel wire is fixed on the first steel wire winch, and the other end of the first left-moving steel wire is fixed to the left end of the trolley frame after bypassing the first fixed pulley on the fixed left lower fixing seat, The other end of the first right-moving steel wire is fixed with the right end of the trolley frame; the upper end of the trolley frame fixes the motor for moving up and down, and the motor for moving up and down fixes the upper and lower wire winches, and the upper and lower wire winches drive the dolly.

Description

A blackboard cleaning machine

technical field

The invention belongs to an automatic cleaning device, in particular to a blackboard cleaning machine.

Background technique

Wiping the blackboard between teaching classes often leaves a layer of white dust on hands, sleeves, even hair and shoulders, and it is inevitable to inhale some dust. Chalk dust is made of gypsum, and its main chemical component is calcium sulfate. Inhalation of chalk can easily damage the respiratory system, induce respiratory diseases, and lead to decreased respiratory function of the lungs.

Contents of the invention

In order to overcome the disadvantages of the prior art, the invention provides a blackboard cleaning machine, which is simple in structure, easy to use, clean and hygienic, and good in environment.

The technical solution adopted by the present invention to solve its technical problems is: the upper and lower rods are detachably fixed with the upper left fixing seat, the upper right fixing seat, the lower left fixing seat, and the lower right fixing seat respectively, and the upper left fixing seat, the upper right fixing seat, and the lower left fixing seat , The lower right fixing seats are respectively fixed outside the four corners of the blackboard, the upper and lower rods are parallel, the upper and lower rods respectively fix the trolley frame through the upper and lower sleeves, and the trolley frame is fixed by the upper and lower sleeves, The blackboard wiping motor is fixed on the trolley, the rotating wiper is fixed on the output shaft of the blackboard wiping motor, and the dust collection cover is fixed on the dolly between the rotating wiper and the motor, and the dust collection cover is sealed and communicated with the exhaust fan fixed outside through a hose; The first left and right moving motor is fixed on the lower right fixing base of the first left and right moving motor, and the first steel wire capstan is fixed on the output shaft of the first left and right moving motor, and the first steel wire winch is fixed on the first steel wire that is wound in the opposite direction. One end, the other end of the first left-moving steel wire is fixed with the left end of the trolley frame after bypassing the first fixed pulley on the fixed left lower fixing seat, and the other end of the first right-moving steel wire is fixed with the right end of the trolley frame; The upper end of the trolley frame is fixed to move up the motor, and the output shaft of the up and down motor is fixed to the upper and lower steel wire capstans, and one end of the up and down steel wires is fixed on the upper and lower steel wire capstans, and the other end of the up and down steel wires is fixed to the described dolly.

The knot of the invention has the advantages of simple structure, convenient use, cleanliness and sanitation, and good environment.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic diagram of the structure of the present invention.

detailed description

As shown in Figure 1, the upper and lower rods 8, 29 are detachably fixed with the upper left fixed seat 6, the upper right fixed seat 14, the lower left fixed seat 2, and the lower right fixed seat 24 respectively, and the upper left fixed seat 6, the upper right fixed seat 14, the lower left fixed seat Fixed seat 2, lower right fixed seat 24 are respectively fixed outside the four corners of blackboard 3, parallel between upper and lower rods 8,29, upper and lower rods 8,29 are respectively fixed trolley frame 23 by upper and lower sleeves, On the dolly frame 23, the dolly 19 is fixed by upper and lower sleeves, the blackboard motor 22 is fixed on the dolly 19, the rotating wiper 21 is fixed on the output shaft of the blackboard motor 22, and the dolly 19 between the rotating wiper 21 and the motor 22 is fixed to absorb Dust cover 20, dust collection cover 20 is sealed and communicated with the exhaust fan (not shown in the figure) that is fixed on outdoor by hose 9; The first left and right moving motor 25 is fixed on the described right lower fixing seat 24, and the first left and right moves On the output shaft of motor 25, the first wire winch 26 is fixed, and on the first wire winch 26, one end of the first left shift steel wire 27 and the first right shift steel wire 28 is fixedly wound, and the other end of the first left shift steel wire 27 is wound around Fixed with the left end of described trolley frame 23 behind the first fixed pulley 1 on the fixing seat 2 on the left lower side, the other end of the first right-moving steel wire 28 is fixed with the right end of trolley frame 23; The upper end fixes the motor 10 to move up and down, and the output shaft of the motor 10 to move up and down fixes a steel wire capstan 11 up and down, an end of the steel wire 17 that moves up and down on the wire capstan 11, and the other end of the steel wire 17 that moves up and down is fixed with the described dolly 19.

The second left and right moving motor 15 is fixed on the upper right fixed seat 14, and the second steel wire winch 16 is fixed on the output shaft of the second left and right moving motor 15, and the second steel wire winch 16 is fixed on the second steel wire winch 16 and is wound to the opposite second left moving steel wire 27. and one end of the second right-moving steel wire 28, the other end of the second left-moving steel wire 27 is fixed with the left end of the trolley frame 23 after the second fixed pulley 5 on the upper left fixed seat 6 is fixed, and the second right-moving steel wire The other end of 28 is fixed with the right end of trolley frame 23.

The flexible pipe 9 coils on the horizontal rod 7, and the horizontal rod 7 is fixed above the blackboard 3.

The left positioning rod 4 and the positioning rod 18 are respectively fixed between the lower left and upper left fixing seats 2,6 and the lower right and upper right fixing seats 14,19. To ensure parallel between the upper and lower rods 8,29, easy to install.

Claims (4)

1. a blackboard eraser, it is characterised in that: upper and lower slide bar (8,29) respectively with left upper fixed seat (6), right upper fixed seat (14), left lower fixed seat (2), right lower fixed seat (24) be detachably fixed, left upper fixed seat (6), right upper fixed seat (14), lower-left Fixing seat (2), right lower fixed seat (24) are separately fixed at outside four angles of blackboard (3), parallel between upper and lower slide bar (8,29), Upper and lower slide bar (8,29) fixes trolley frame (23) by upper and lower sliding sleeve respectively, and trolley frame is fixed by upper and lower sliding sleeve on (23) Dolly (19), the upper fixing motor (22) that erases the board of dolly (19), on the output shaft of the motor that erases the board (22), fixing rotation wipes (21), Rotating the upper fixing dust shield (20) of the dolly (19) wiped between (21) and motor (22), dust shield (20) passes through flexible pipe (9) with solid Extraction fan (being not drawn in the figure) sealing being scheduled on outdoor communicates；Fix first on described right lower fixed seat (24) and move left and right electricity Machine (25), first moves left and right and fixes the first steel wire winch (26) on the output shaft of motor (25), on the first steel wire winch (26) Fixing moving to right one end of steel wire (28) around moving to left steel wire (27) and first to contrary first, first moves to left another of steel wire (27) End is walked around the left end afterwards with described trolley frame (23) of the first fixed pulley (1) on fixing left lower fixed seat (2) and is fixed, and first moves to right The right-hand member of the other end of steel wire (28) and trolley frame (23) is fixed；The upper end of described trolley frame (23) is fixing moves up and down motor (10), moving up and down and fix upper and lower steel wire winch (11) on the output shaft of motor (10), upper and lower steel wire winch (11) is upper to be fixed One end of lower mobile steel wire (17), the other end moving up and down steel wire (17) is fixed with described dolly (19).

Blackboard eraser the most according to claim 1, it is characterised in that: fix second on described right upper fixed seat (14) Moving left and right motor (15), second moves left and right and fixes the second steel wire winch (16), the second steel wire on the output shaft of motor (15) Capstan winch (16) is upper fixing moves to right one end of steel wire (28) around moving to left steel wire (27) and second to contrary second, and second moves to left steel wire (27) it is solid with the left end of described trolley frame (23) afterwards that the other end walks around the second fixed pulley (5) on fixing left upper fixed seat (6) Fixed, the right-hand member of second other end and trolley frame (23) moving to right steel wire (28) is fixed.

Blackboard eraser the most according to claim 1, it is characterised in that: described flexible pipe (9) dish on horizon bar (7), Horizon bar (7) is fixed on the top of described blackboard (3).

Blackboard eraser the most according to claim 1, it is characterised in that: between described lower-left, left upper fixed seat (2,6) And fix left location bar (4) and right location bar (18) respectively between bottom right, right upper fixed seat (14,19).