CN107827046B - A kind of teaching is erased the board auxiliary device with pupil - Google Patents
A kind of teaching is erased the board auxiliary device with pupil Download PDFInfo
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- CN107827046B CN107827046B CN201710983692.XA CN201710983692A CN107827046B CN 107827046 B CN107827046 B CN 107827046B CN 201710983692 A CN201710983692 A CN 201710983692A CN 107827046 B CN107827046 B CN 107827046B
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- pupil
- connecting rod
- strut
- sliding
- sliding block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
Abstract
The present invention relates to a kind of teaching auxiliary devices more particularly to a kind of teaching to be erased the board auxiliary device with pupil.Pupil capable of being assisted to wipe the technical problem to be solved in the present invention is to provide one kind, blackboard, safe and reliable, conveniently imparting knowledge to students is erased the board auxiliary device with pupil.In order to solve the above-mentioned technical problems, the present invention provides such a teaching to be erased the board auxiliary device with pupil, includes bottom plate etc.；Rear side left and right ends at the top of bottom plate are equipped with support rod vertically, it is equipped with cross bar between left and right sides support bar top, lifting device is installed between support rod, mobile device is installed on the moving parts of lifting device, connecting rod is connected on the moving parts of mobile device vertically, connecting rod is equipped with pedal.The present invention is by the mutual cooperation of lifting device and mobile device, while using the protection of auxiliary device and buffer unit, having reached can assist pupil to wipe blackboard, safe and reliable, conveniently effect.
Description
Technical field
The present invention relates to a kind of teaching auxiliary devices more particularly to a kind of teaching to be erased the board auxiliary device with pupil.
Background technique
Teaching is a kind of distinctive personnel training activity of the mankind composed by the religion of teacher and student.Pass through this work
Dynamic, teacher guides student to learn and grasp cultural and technical knowledge and technical ability purposeful, planned and organizedly, promotes student's element
Matter improves, them is made to become people required for society.
It is appropriate to temper the manipulative ability that can be improved student, but since pupil develops unsound, height and blackboard
Height gap it is larger, make its wiped when erasing the board it is unclean, need it is padded oneself, when wiping, is dangerous, therefore needs to grind
Send out one kind pupil can be assisted to wipe blackboard, safe and reliable, conveniently imparting knowledge to students is erased the board auxiliary device with pupil.
Summary of the invention
(1) technical problems to be solved
The present invention is unsound in order to overcome pupil's development, and the height gap of height and blackboard is larger, it is made to erase the board
When wiping is not clean, need it is padded oneself, when wiping unsafe disadvantage, the technical problem to be solved in the present invention is to provide one kind
Pupil can be assisted to wipe, and blackboard, safe and reliable, conveniently imparting knowledge to students is erased the board auxiliary device with pupil.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides such a teaching to be erased the board auxiliary device with pupil,
It include bottom plate, support rod, cross bar, lifting device, mobile device, connecting rod and pedal, the rear side left and right ends at the top of bottom plate are equal
It is equipped with support rod vertically, cross bar is equipped between left and right sides support bar top, lifting device, lifting device are installed between support rod
Moving parts on mobile device is installed, be connected with connecting rod on the moving parts of mobile device vertically, connecting rod is equipped with pedal.
Preferably, lifting device includes the first sliding rail, the first sliding block, connecting rod, electronic reel and bracing wire, left and right two
It holds and is equipped with the first sliding rail on the opposite position of support rod vertically, slidingtype is equipped with the first sliding block, the left and right sides on the first sliding rail
The first sliding block between be connected with connecting rod, electronic reel is mounted at left and right sides of cross bar bottom, on electronic reel
It is wound with bracing wire, is connected at the top of the other end and connecting rod of bracing wire.
Preferably, mobile device includes the second sliding block, the first rack gear, motor and first gear, on front side of connecting rod in
Portion is provided with sliding slot, and slidingtype is equipped with multiple second sliding blocks on sliding slot, and the bottom of connecting rod is both connected to the front side of the second sliding block, pedal
The centre of bottom is equipped with motor, and first gear is connected on the output shaft of motor, and the top horizontal of connecting rod is equipped with and first
First rack gear of gear engagement.
Preferably, further include having buffer unit, buffer unit be installed at the top of bottom plate, buffer unit include pressure box,
Second rack gear, piston, aqueduct, water tank, the first strut, rotary shaft, second gear and auxiliary device, the middle part at the top of bottom plate are inclined
Right position is equipped with pressure box, and the middle part on the right side of pressure box is provided with through-hole, and the second rack gear is equipped in through-hole, and the left end of the second rack gear connects
It is connected to the piston that can be slided in pressure box, the left side of pressure box is equipped with water tank, and the left end of pressure box is connected with aqueduct, water guide
The other end of pipe is extend into water tank, and the support rod on right side and the right vertical of back plate connections are connected with the first strut, and first
The top of strut is equipped with rotary shaft, and rotary shaft is equipped with the second gear engaged with the second rack gear, the right side of the support rod on right side
Auxiliary device is installed.
It preferably, further include having auxiliary device, auxiliary device includes fixed block, the second strut, the first sprocket wheel, the second chain
The right vertical of the junction of wheel and chain, cross bar and Right side support bar is connected with the second strut, and the second strut is equipped with first
Sprocket wheel, rotary shaft are equipped with the second sprocket wheel, and the second sprocket wheel is located at the front side of second gear, the spaced winding of the second sprocket wheel and the first sprocket wheel
There is the chain being engaged with, fixed block is connected on the chain of left side, the left end of fixed block is connected with first sliding block on right side, Gu
Determine the front side that block is located at Right side support bar.
Preferably, further include having auxiliary stabilizing device, auxiliary stabilizing device, auxiliary stabilizing device are installed at the top of cross bar
It include the second sliding rail, third sliding block and hand-held pole, cross bar top horizontal is equipped with the second sliding rail, and slidingtype is equipped on the second sliding rail
The top vertical of third sliding block, third sliding block is connected with hand-held pole.
It preferably, further include having third strut and sliding sleeve, the support rod on right side and the left side vertical of back plate connections are equipped with
Third strut, third strut are equipped with sliding sleeve, and the second rack tube is in sliding sleeve.
It preferably, further include having travel switch, the middle part of the support rod on right side is on the upper side and middle part position on the lower side is equipped with row
There is circuit connection between Cheng Kaiguan, travel switch and motor and electronic reel.
It preferably, further include having valve, aqueduct is equipped with valve.
Working principle: when pupil needs to erase the board, lifting device work can be started, control lifting device drives movement
Device drops to suitable position, and mobile device drives pedal also to drop to suitable position, primary school after dropping to suitable position
Life can stand on pedal, pupil station rear control lifting device and mobile device work on pedal, and pass through pedal and drive
Pupil is moved to the different location of blackboard, and such pupil can constantly wipe blackboard, after wiping
Control lifting device and mobile device, which close lifting device and mobile device, pupil after resetting, to get off from pedal.
Because lifting device includes the first sliding rail, the first sliding block, connecting rod, electronic reel and bracing wire, left and right ends
The first sliding rail is equipped on the opposite position of support rod vertically, slidingtype is equipped with the first sliding block on the first sliding rail, the left and right sides
Be connected with connecting rod between first sliding block, be mounted on electronic reel at left and right sides of cross bar bottom, on electronic reel around
There is bracing wire, is connected at the top of the other end and connecting rod of bracing wire.When pupil needs to erase the board, electronic reel can be started
Bracing wire is put, electronic reel, which puts bracing wire, moves down connecting rod under gravity, when connecting rod drops to suitable position
It postpones and closes electronic reel, mobile device drives pedal to decline therewith at this time, and pupil can stand on pedal, at this time
Electronic reel operating thread is constantly controlled, while starting mobile device work, pupil can be driven to carry out position control in this way
System is controlled electronic reel after wiping and puts bracing wire and decline pedal again so that pupil be made to wipe blackboard
Electronic reel is closed after to certain position, pupil can get off from pedal.
Because mobile device includes the second sliding block, the first rack gear, motor and first gear, the middle part on front side of connecting rod is opened
There is sliding slot, slidingtype is equipped with multiple second sliding blocks on sliding slot, and the bottom of connecting rod is both connected to the front side of the second sliding block, pedal bottom
Centre motor is installed, first gear is connected on the output shaft of motor, the top horizontal of connecting rod is equipped with and first gear
First rack gear of engagement.Pupil stands when erasing the board on pedal, starting lifting device work, while controlling motor work, electricity
Machine work first gear rotation, first gear rotation drive pedal to move left and right along the first rack gear, and pedal moves left and right drive
Pupil carries out left and right wiping to blackboard, while lifting device is also in the height of control pupil, pupil to blackboard not
Motor can be closed after being wiped with position, and control pupil after lifting device resets to get off from blackboard.
Because further including having buffer unit, buffer unit is installed at the top of bottom plate, buffer unit includes pressure box, second
Rack gear, piston, aqueduct, water tank, the first strut, rotary shaft, second gear and auxiliary device, the middle part position to the right at the top of bottom plate
Pressure box is installed, the middle part on the right side of pressure box is provided with through-hole, is equipped with the second rack gear in through-hole, the left end of the second rack gear is connected with
The left side of the piston that can be slided in pressure box, pressure box is equipped with water tank, and the left end of pressure box is connected with aqueduct, aqueduct
The other end is extend into water tank, and the support rod on right side and the right vertical of back plate connections are connected with the first strut, the first strut
Top be equipped with rotary shaft, rotary shaft is equipped with the second gear that engage with the second rack gear, and the right side of the support rod on right side is installed
There is auxiliary device.Pupil stands when wiping on pedal to blackboard, when pupil moves up, first sliding block on right side
Auxiliary device work is driven, auxiliary device work drives rotary shaft rotation, and rotary shaft rotation drives second gear rotation, the second tooth
Wheel rotation drives the second rack gear to move right, and the second rack gear moves right to move right with piston, and piston moves right water
Water in case enters in pressure box through aqueduct, and when pupil moves down, auxiliary device drives rotary shaft opposite direction to turn
It is dynamic, push the water in pressure box to re-enter into water tank through aqueduct so that piston is moved to the left, since water is not compressible, water
During water tank and pressure box mobile by aqueduct, thrust is slowly varying, and buffer function so can be realized, and protects
The personal safety of pupil.
Because further including having auxiliary device, auxiliary device includes fixed block, the second strut, the first sprocket wheel, the second sprocket wheel
And chain, the right vertical of the junction of cross bar and Right side support bar are connected with the second strut, the second strut is equipped with the first chain
Wheel, rotary shaft are equipped with the second sprocket wheel, and the second sprocket wheel is located at the front side of second gear, is wound between the second sprocket wheel and the first sprocket wheel
The chain being engaged with is connected with fixed block on the chain of left side, and the left end of fixed block is connected with first sliding block on right side, fixed
Block is located at the front side of Right side support bar.When pupil moves up and down, fixed block, which moves up and down, drives chain mobile, the mobile band of chain
Dynamic second sprocket wheel rotation, the rotation of the second sprocket wheel can drive buffer unit to work.
Because further including having auxiliary stabilizing device, auxiliary stabilizing device, auxiliary stabilizing device packet are installed at the top of cross bar
The second sliding rail, third sliding block and hand-held pole are included, cross bar top horizontal is equipped with the second sliding rail, and slidingtype is equipped with the on the second sliding rail
The top vertical of three sliding blocks, third sliding block is connected with hand-held pole.Pupil stands when on pedal, and can be stopped holding rod with holding, this
The inertia that sample generates when can prevent motor from starting to walk suddenly makes the center of gravity suddenly change of pupil, and pupil is easy to topple over and make to anticipate
Outer accident occurs, and improves safety of the invention.
Because further including having third strut and sliding sleeve, the support rod on right side and the left side vertical of back plate connections are equipped with third
Strut, third strut are equipped with sliding sleeve, and the second rack tube is in sliding sleeve.Second rack gear can slide in sliding sleeve, make the second rack gear
It runs more steady.
Because further including having travel switch, the middle part of the support rod on right side is on the upper side and middle part position on the lower side is equipped with stroke and opens
It closes, has circuit connection between travel switch and motor and electronic reel.When fixed block moves up and touches top
When travel switch, travel switch controls electronic reel and closes, and pupil has gone up and down to highest point at this time, can not continue on
It rises, ensure that the safety of pupil and the stabilization of whole device, when fixed block moves down and touches the travel switch of lower section
When, electronic reel and motor simultaneously close off, and pupil can get off from pedal at this time, eliminate the trouble of manual control.
Because further including having valve, aqueduct is equipped with valve.Valve can control the water flow of aqueduct, can
The more preferable stabilization for maintaining pupil in raising and lowering.
(3) beneficial effect
The present invention passes through the mutual cooperation of lifting device and mobile device, and primary school can be assisted to be adequately exposed to the version of blackboard
Face, while using the protection of auxiliary device and buffer unit, having reached can assist pupil to wipe blackboard, safe and reliable, side
Just efficiently effect.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the invention.
Fig. 2 is the schematic view of the front view of lifting device of the present invention.
Fig. 3 is the schematic view of the front view of mobile device of the present invention.
Fig. 4 is second of schematic view of the front view of the invention.
Fig. 5 is the schematic view of the front view of servicing unit of the present invention.
Fig. 6 is the third schematic view of the front view of the invention.
The label in accompanying drawing is: 1- bottom plate, 2- support rod, 3- cross bar, 4- lifting device, the first sliding rail of 41-, 42- first
Sliding block, 43- connecting rod, the electronic reel of 44-, 45- bracing wire, 5- mobile device, 51- sliding slot, the second sliding block of 52-, the first tooth of 53-
Item, 54- motor, 55- first gear, 6- connecting rod, 7- pedal, 8- buffer unit, 81- pressure box, 82- through-hole, the second tooth of 83-
Item, 84- piston, 85- aqueduct, 86- water tank, the first strut of 87-, 88- rotary shaft, 89- second gear, 80- auxiliary device,
801- fixed block, the second strut of 802-, the first sprocket wheel of 803-, the second sprocket wheel of 804-, 805- chain, 9- auxiliary stabilizing device, 91-
Second sliding rail, 92- third sliding block, 93- hand-held pole, 10- third strut, 11- sliding sleeve, 12- travel switch, 13- valve.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of teaching is erased the board auxiliary device with pupil, as shown in figures 1 to 6, include bottom plate 1, support rod 2, cross bar 3,
The rear side left and right ends of lifting device 4, mobile device 5, connecting rod 6 and pedal 7,1 top of bottom plate are equipped with support rod 2 vertically, left
It is equipped with cross bar 3 between the top of Right side support bar 2, lifting device 4 is installed between support rod 2, on the moving parts of lifting device 4
Mobile device 5 is installed, is connected with connecting rod 6 on the moving parts of mobile device 5 vertically, connecting rod 6 is equipped with pedal 7.
Embodiment 2
A kind of teaching is erased the board auxiliary device with pupil, as shown in figures 1 to 6, include bottom plate 1, support rod 2, cross bar 3,
The rear side left and right ends of lifting device 4, mobile device 5, connecting rod 6 and pedal 7,1 top of bottom plate are equipped with support rod 2 vertically, left
It is equipped with cross bar 3 between the top of Right side support bar 2, lifting device 4 is installed between support rod 2, on the moving parts of lifting device 4
Mobile device 5 is installed, is connected with connecting rod 6 on the moving parts of mobile device 5 vertically, connecting rod 6 is equipped with pedal 7.
Lifting device 4 includes the first sliding rail 41, the first sliding block 42, connecting rod 43, electronic reel 44 and bracing wire 45, a left side
The first sliding rail 41 is equipped on the opposite position of right both ends support rod 2 vertically, slidingtype is equipped with the first sliding block on the first sliding rail 41
42, connecting rod 43 is connected between the first sliding block 42 of the left and right sides, and cross bar is mounted on electronic coiling at left and right sides of 3 bottom
44 are taken turns, is wound with bracing wire 45 on electronic reel 44, the other end of bracing wire 45 is connected with the top of connecting rod 43.
Embodiment 3
A kind of teaching is erased the board auxiliary device with pupil, as shown in figures 1 to 6, include bottom plate 1, support rod 2, cross bar 3,
The rear side left and right ends of lifting device 4, mobile device 5, connecting rod 6 and pedal 7,1 top of bottom plate are equipped with support rod 2 vertically, left
It is equipped with cross bar 3 between the top of Right side support bar 2, lifting device 4 is installed between support rod 2, on the moving parts of lifting device 4
Mobile device 5 is installed, is connected with connecting rod 6 on the moving parts of mobile device 5 vertically, connecting rod 6 is equipped with pedal 7.
Lifting device 4 includes the first sliding rail 41, the first sliding block 42, connecting rod 43, electronic reel 44 and bracing wire 45, a left side
The first sliding rail 41 is equipped on the opposite position of right both ends support rod 2 vertically, slidingtype is equipped with the first sliding block on the first sliding rail 41
42, connecting rod 43 is connected between the first sliding block 42 of the left and right sides, and cross bar is mounted on electronic coiling at left and right sides of 3 bottom
44 are taken turns, is wound with bracing wire 45 on electronic reel 44, the other end of bracing wire 45 is connected with the top of connecting rod 43.
Mobile device 5 includes the second sliding block 52, the first rack gear 53, motor 54 and first gear 55,43 front side of connecting rod
Middle part be provided with sliding slot 51, on sliding slot 51 slidingtype be equipped with multiple second sliding blocks 52, the bottom of connecting rod 6 is both connected to the second sliding block
52 front side, the centre of 7 bottom of pedal are equipped with motor 54, first gear 55, connecting rod are connected on the output shaft of motor 54
43 top horizontal is equipped with the first rack gear 53 engaged with first gear 55.
Embodiment 4
A kind of teaching is erased the board auxiliary device with pupil, as shown in figures 1 to 6, include bottom plate 1, support rod 2, cross bar 3,
The rear side left and right ends of lifting device 4, mobile device 5, connecting rod 6 and pedal 7,1 top of bottom plate are equipped with support rod 2 vertically, left
It is equipped with cross bar 3 between the top of Right side support bar 2, lifting device 4 is installed between support rod 2, on the moving parts of lifting device 4
Mobile device 5 is installed, is connected with connecting rod 6 on the moving parts of mobile device 5 vertically, connecting rod 6 is equipped with pedal 7.
Lifting device 4 includes the first sliding rail 41, the first sliding block 42, connecting rod 43, electronic reel 44 and bracing wire 45, a left side
The first sliding rail 41 is equipped on the opposite position of right both ends support rod 2 vertically, slidingtype is equipped with the first sliding block on the first sliding rail 41
42, connecting rod 43 is connected between the first sliding block 42 of the left and right sides, and cross bar is mounted on electronic coiling at left and right sides of 3 bottom
44 are taken turns, is wound with bracing wire 45 on electronic reel 44, the other end of bracing wire 45 is connected with the top of connecting rod 43.
Mobile device 5 includes the second sliding block 52, the first rack gear 53, motor 54 and first gear 55,43 front side of connecting rod
Middle part be provided with sliding slot 51, on sliding slot 51 slidingtype be equipped with multiple second sliding blocks 52, the bottom of connecting rod 6 is both connected to the second sliding block
52 front side, the centre of 7 bottom of pedal are equipped with motor 54, first gear 55, connecting rod are connected on the output shaft of motor 54
43 top horizontal is equipped with the first rack gear 53 engaged with first gear 55.
Further include having buffer unit 8, buffer unit 8 is installed at the top of bottom plate 1, buffer unit 8 includes pressure box 81,
Two rack gears 83, piston 84, aqueduct 85, water tank 86, the first strut 87, rotary shaft 88, second gear 89 and auxiliary device 80, bottom
The middle part position to the right at the top of plate 1 is equipped with pressure box 81, and the middle part on 81 right side of pressure box is provided with through-hole 82, and the is equipped in through-hole 82
Two rack gears 83, the left end of the second rack gear 83 are connected with the piston 84 that can be slided in pressure box 81, and the left side of pressure box 81 is equipped with
Water tank 86, the left end of pressure box 81 are connected with aqueduct 85, and the other end of aqueduct 85 is extend into water tank 86, the support on right side
Bar 2 and the right vertical of 1 junction of bottom plate are connected with the first strut 87, and the top of the first strut 87 is equipped with rotary shaft 88, rotation
Axis 88 is equipped with the second gear 89 engaged with the second rack gear 83, and the right side of the support rod 2 on right side is equipped with auxiliary device 80.
Further include having auxiliary device 80, auxiliary device 80 include fixed block 801, the second strut 802, the first sprocket wheel 803,
The right vertical of the junction of second sprocket wheel 804 and chain 805, cross bar 3 and Right side support bar 2 is connected with the second strut 802, the
Two struts 802 are equipped with the first sprocket wheel 803, and rotary shaft 88 is equipped with the second sprocket wheel 804, and the second sprocket wheel 804 is located at second gear
89 front side is wound with the chain 805 being engaged with, connects on left side chain 805 between the second sprocket wheel 804 and the first sprocket wheel 803
There is fixed block 801, the left end of fixed block 801 is connected with first sliding block 42 on right side, and fixed block 801 is located at Right side support bar 2
Front side.
It further include having auxiliary stabilizing device 9, the top of cross bar 3 is equipped with auxiliary stabilizing device 9, and auxiliary stabilizing device 9 wraps
The second sliding rail 91, third sliding block 92 and hand-held pole 93 are included, 3 top horizontal of cross bar is equipped with the second sliding rail 91, on the second sliding rail 91
Slidingtype is equipped with third sliding block 92, and the top vertical of third sliding block 92 is connected with hand-held pole 93.
It further include having third strut 10 and sliding sleeve 11, the left side vertical of the support rod 2 on right side and 1 junction of bottom plate is equipped with the
Three struts 10, third strut 10 are equipped with sliding sleeve 11, and the second 83 sets of rack gear is in sliding sleeve 11.
It further include having travel switch 12, the middle part of the support rod 2 on right side is on the upper side and middle part position on the lower side is equipped with stroke and opens
12 are closed, has circuit connection between travel switch 12 and motor 54 and electronic reel 44.
It further include having valve 13, aqueduct 85 is equipped with valve 13.
Working principle: when pupil needs to erase the board, the work of lifting device 4 can be started, control lifting device 4, which drives, to be moved
Dynamic device 5 drops to suitable position, and mobile device 5 drives pedal 7 also to drop to suitable position after dropping to suitable position,
Pupil can stand on pedal 7, and pupil station rear control lifting device 4 and mobile device 5 on pedal 7 work, and pass through
The drive pupil of pedal 7 is moved to the different location of blackboard, and such pupil can constantly wipe blackboard, wipe
I.e. controllable lifting device 4 and mobile device 5 close lifting device 4 and mobile device 5 after finishing after resetting, and pupil can be from stepping on
Get off on plate 7.
Because lifting device 4 includes the first sliding rail 41, the first sliding block 42, connecting rod 43, electronic reel 44 and bracing wire
45, the first sliding rail 41 is equipped on the opposite position of left and right ends support rod 2 vertically, slidingtype is equipped with first on the first sliding rail 41
Sliding block 42 is connected with connecting rod 43 between first sliding block 42 of the left and right sides, is mounted at left and right sides of 3 bottom of cross bar electronic
Reel 44 is wound with bracing wire 45 on electronic reel 44, and the other end of bracing wire 45 is connected with the top of connecting rod 43.Work as primary school
When life needs to erase the board, electronic reel 44 can be started and put bracing wire 45, electronic reel 44, which puts bracing wire 45, makes connecting rod 43 in weight
It is moved down under the action of power, electronic reel 44 is closed after connecting rod 43 drops to suitable position, at this time mobile device 5
Pedal 7 is driven to decline therewith, pupil can stand on pedal 7, can constantly control electronic 44 operating thread of reel at this time
45, at the same start mobile device 5 work, can drive in this way pupil carry out position control, thus make pupil to blackboard into
Row wiping controls electronic reel 44 again after wiping and puts closing electricity after pedal 7 is dropped to certain position by bracing wire 45
Dynamic reel 44, pupil can get off from pedal 7.
Because mobile device 5 includes the second sliding block 52, the first rack gear 53, motor 54 and first gear 55, connecting rod 43
Sliding slot 51 is provided in the middle part of front side, slidingtype is equipped with multiple second sliding blocks 52 on sliding slot 51, and the bottom of connecting rod 6 is both connected to second
The front side of sliding block 52, the centre of 7 bottom of pedal are equipped with motor 54, and first gear 55 is connected on the output shaft of motor 54, even
The top horizontal of extension bar 43 is equipped with the first rack gear 53 engaged with first gear 55.Pupil stands when erasing the board on pedal 7, opens
Dynamic lifting device 4 works, while controlling the work of motor 54, and the work first gear 55 of motor 54 rotates, and first gear 55 rotates band
Dynamic pedal 7 is moved left and right along the first rack gear 53, and pedal 7, which moves left and right, drives pupil to carry out left and right wiping to blackboard, simultaneously
Lifting device 4 also in the height of control pupil, can close motor after different location of the pupil to blackboard wipes
54, and control lifting device 4 reset after pupil can get off from blackboard.
Because further including having buffer unit 8, buffer unit 8 is installed at the top of bottom plate 1, buffer unit 8 includes pressure box
81, the second rack gear 83, piston 84, aqueduct 85, water tank 86, the first strut 87, rotary shaft 88, second gear 89 and auxiliary device
80, the middle part position to the right at the top of bottom plate 1 is equipped with pressure box 81, and the middle part on 81 right side of pressure box is provided with through-hole 82, in through-hole 82
Equipped with the second rack gear 83, the left end of the second rack gear 83 is connected with the piston 84 that can be slided in pressure box 81, a left side for pressure box 81
Side is equipped with water tank 86, and the left end of pressure box 81 is connected with aqueduct 85, and the other end of aqueduct 85 is extend into water tank 86, right side
Support rod 2 and the right vertical of 1 junction of bottom plate be connected with the first strut 87, the top of the first strut 87 is equipped with rotary shaft
88, rotary shaft 88 is equipped with the second gear 89 engaged with the second rack gear 83, and the right side of the support rod 2 on right side is equipped with auxiliary dress
Set 80.Pupil stands when wiping on pedal 7 to blackboard, when pupil moves up, 42 band of the first sliding block on right side
Dynamic auxiliary device 80 works, and the work of auxiliary device 80 drives rotary shaft 88 to rotate, and the rotation of rotary shaft 88 drives 89 turns of second gear
Dynamic, the rotation of second gear 89 drives the second rack gear 83 to move right, and the second rack gear 83 moves right to move right with piston 84,
Piston 84, which moves right, enters the water in water tank 86 in pressure box 81 through aqueduct 85, auxiliary when pupil moves down
It helps device 80 to drive the rotation of 88 opposite direction of rotary shaft, pushes the water in pressure box 81 through aqueduct 85 so that piston 84 is moved to the left
It re-enters into water tank 86, since water is not compressible, water passes through the mobile process of aqueduct 85 in water tank 86 and pressure box 81
In, thrust is slowly varying, and buffer function so can be realized, and protects the personal safety of pupil.
Because further including having auxiliary device 80, auxiliary device 80 includes fixed block 801, the second strut 802, the first sprocket wheel
803, the right vertical of the junction of the second sprocket wheel 804 and chain 805, cross bar 3 and Right side support bar 2 is connected with the second strut
802, the second strut 802 is equipped with the first sprocket wheel 803, and rotary shaft 88 is equipped with the second sprocket wheel 804, and the second sprocket wheel 804 is located at the
The front side of two gears 89 is wound with the chain 805 being engaged with, left side chain 805 between second sprocket wheel 804 and the first sprocket wheel 803
On be connected with fixed block 801, the left end of fixed block 801 is connected with first sliding block 42 on right side, and fixed block 801 is located at right side branch
The front side of strut 2.When pupil moves up and down, fixed block 801, which moves up and down, drives chain 805 mobile, and chain 805 is mobile to be driven
The rotation of second sprocket wheel 804, the rotation of the second sprocket wheel 804 can drive buffer unit 8 to work.
Because further including having auxiliary stabilizing device 9, the top of cross bar 3 is equipped with auxiliary stabilizing device 9, auxiliary stabilizing device
9 include the second sliding rail 91, third sliding block 92 and hand-held pole 93, and 3 top horizontal of cross bar is equipped with the second sliding rail 91, the second sliding rail 91
Upper slidingtype is equipped with third sliding block 92, and the top vertical of third sliding block 92 is connected with hand-held pole 93.Pupil stands on pedal 7
When, can be stopped holding rod 93 with holding, and the inertia that can prevent motor 54 from generating when starting to walk suddenly in this way keeps the center of gravity of pupil prominent
So variation, pupil are easy to topple over and make contingency, improve safety of the invention.
Because further including having third strut 10 and sliding sleeve 11, the support rod 2 on right side and the left side vertical of 1 junction of bottom plate are set
There is third strut 10, third strut 10 is equipped with sliding sleeve 11, and the second 83 sets of rack gear is in sliding sleeve 11.Second rack gear 83 can be in sliding sleeve
Sliding in 11 keeps the operation of the second rack gear 83 more steady.
Because further including having travel switch 12, the middle part of the support rod 2 on right side is on the upper side and middle part position on the lower side is equipped with row
Cheng Kaiguan 12 has circuit connection between travel switch 12 and motor 54 and electronic reel 44.When fixed block 801 moves up
And when touching the travel switch 12 of top, travel switch 12 controls electronic reel 44 and closes, and pupil has gone up and down at this time
To highest point, it can not continue to rise, ensure that the safety of pupil and the stabilization of whole device, when fixed block 801 is to moving down
When moving and touching the travel switch 12 of lower section, electronic reel 44 and motor 54 are simultaneously closed off, and pupil can be from stepping at this time
Get off on plate 7, eliminates the trouble of manual control.
Because further including having valve 13, aqueduct 85 is equipped with valve 13.Valve 13 can water flow to aqueduct 85 into
Row control, can more preferably maintain stabilization of the pupil in raising and lowering.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of teaching is erased the board auxiliary device with pupil, which is characterized in that include bottom plate (1), support rod (2), cross bar
(3), lifting device (4), mobile device (5), connecting rod (6) and pedal (7), the rear side left and right ends at the top of bottom plate (1) are vertical
Equipped with support rod (2), left and right side support bar (2) is equipped with cross bar (3) between top, and support rod is equipped with lifting device between (2)
(4), it is connected with vertically connecting rod (6) on the moving parts of mobile device (5), connecting rod (6) is equipped with pedal (7)；Lifting device (4)
It include the first sliding rail (41), the first sliding block (42), connecting rod (43), electronic reel (44) and bracing wire (45), left and right ends
The first sliding rail (41) are equipped with vertically on the opposite position of support rod (2), slidingtype is equipped with the first sliding block on the first sliding rail (41)
(42), it is connected with connecting rod (43) between the first sliding block (42) of the left and right sides, is mounted at left and right sides of cross bar (3) bottom
Electronic reel (44) is wound with bracing wire (45) on electronic reel (44), the other end of bracing wire (45) and the top of connecting rod (43)
Portion is connected；Mobile device (5) includes the second sliding block (52), the first rack gear (53), motor (54) and first gear (55), is connected
Middle part on front side of extension bar (43) is provided with sliding slot (51), and slidingtype is equipped with multiple second sliding blocks (52) on sliding slot (51), connecting rod (6)
Bottom is both connected to the front side of the second sliding block (52), and the centre of pedal (7) bottom is equipped with motor (54), the output of motor (54)
It is connected on axis first gear (55), the top horizontal of connecting rod (43) is equipped with the first rack gear engaged with first gear (55)
(53)；Further include having buffer unit (8), is equipped with buffer unit (8) at the top of bottom plate (1), buffer unit (8) includes pressure box
(81), the second rack gear (83), piston (84), aqueduct (85), water tank (86), the first strut (87), rotary shaft (88), the second tooth
(89) and auxiliary device (80) are taken turns, the middle part position to the right at the top of bottom plate (1) is equipped with pressure box (81), on the right side of pressure box (81)
Middle part is provided with through-hole (82), is equipped with the second rack gear (83) in through-hole (82), the left end of the second rack gear (83) is connected with can be airtight
The left side of the piston (84) slided in case (81), pressure box (81) is equipped with water tank (86), and the left end of pressure box (81), which is connected with, leads
Water pipe (85), the other end of aqueduct (85) are extend into water tank (86), support rod (2) and bottom plate (1) junction on right side
Right vertical is connected with the first strut (87), and the top of the first strut (87) is equipped with rotary shaft (88), and rotary shaft (88) is equipped with
The second gear (89) engaged with the second rack gear (83) is equipped with auxiliary device (80) on the right side of the support rod (2) on right side；Auxiliary
Device (80) includes fixed block (801), the second strut (802), the first sprocket wheel (803), the second sprocket wheel (804) and chain
(805), the right vertical of the junction of cross bar (3) and Right side support bar (2) is connected with the second strut (802), the second strut
(802) the first sprocket wheel (803) are equipped with, rotary shaft (88) is equipped with the second sprocket wheel (804), and the second sprocket wheel (804) is located at second
The front side of gear (89) is wound with the chain (805) being engaged with, left side chain between the second sprocket wheel (804) and the first sprocket wheel (803)
It is connected on item (805) fixed block (801), the left end of fixed block (801) is connected with first sliding block (42) on right side, fixed block
(801) it is located at the front side of Right side support bar (2).
2. a kind of teaching according to claim 1 is erased the board auxiliary device with pupil, which is characterized in that further include have it is auxiliary
It helps stabilising arrangement (9), is equipped at the top of cross bar (3) auxiliary stabilizing device (9), auxiliary stabilizing device (9) includes second sliding
Rail (91), third sliding block (92) and hand-held pole (93), cross bar (3) top horizontal are equipped with the second sliding rail (91), the second sliding rail (91)
Upper slidingtype is equipped with third sliding block (92), and the top vertical of third sliding block (92) is connected with hand-held pole (93).
3. a kind of teaching according to claim 2 is erased the board auxiliary device with pupil, which is characterized in that further include having the
Three struts (10) and sliding sleeve (11), the support rod (2) on right side and the left side vertical of bottom plate (1) junction are equipped with third strut
(10), third strut (10) is equipped with sliding sleeve (11), and the second rack gear (83) covers in sliding sleeve (11).
4. a kind of teaching according to claim 3 is erased the board auxiliary device with pupil, which is characterized in that further include having row
Cheng Kaiguan (12), the middle part of the support rod (2) on right side is on the upper side and middle part position on the lower side is equipped with travel switch (12), travel switch
(12) there is circuit connection between motor (54) and electronic reel (44).
5. a kind of teaching according to claim 4 is erased the board auxiliary device with pupil, which is characterized in that further include having valve
Door (13), aqueduct (85) are equipped with valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983692.XA CN107827046B (en) | 2017-10-20 | 2017-10-20 | A kind of teaching is erased the board auxiliary device with pupil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710983692.XA CN107827046B (en) | 2017-10-20 | 2017-10-20 | A kind of teaching is erased the board auxiliary device with pupil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107827046A CN107827046A (en) | 2018-03-23 |
| CN107827046B true CN107827046B (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710983692.XA Active CN107827046B (en) | 2017-10-20 | 2017-10-20 | A kind of teaching is erased the board auxiliary device with pupil |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200416992Y1 (en) * | 2005-12-29 | 2006-05-24 | 김영수 | An apparatus for controlling the height of a blackboard |
| CN201388705Y (en) * | 2009-04-22 | 2010-01-27 | 孙芳芳 | Platform with adjustable height |
| CN102826487A (en) * | 2012-05-15 | 2012-12-19 | 云南昆船设计研究院 | Energy-saving roadway stacker |
| CN106829810A (en) * | 2015-12-03 | 2017-06-13 | 天津诚强机械制造有限公司 | Rack-and-pinion lowering or hoisting gear |
| CN205653115U (en) * | 2016-05-24 | 2016-10-19 | 林孝久 | A crawl material loading machine for plank |
| CN106585232B (en) * | 2017-02-06 | 2018-06-05 | 陕西国际商贸学院 | A kind of Accounting Course blackboard cleaning device |
| CN106629530B (en) * | 2017-02-19 | 2018-09-28 | 徐雄剑 | A kind of building high and medium implement |
| CN107839379A (en) * | 2017-10-12 | 2018-03-27 | 李建云 | The practical small blackboard of one kind teaching |
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| CN107827046A (en) | 2018-03-23 |
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Effective date of registration: 20181120 Address after: 362000 No. 734, Longcang Village, Dongyuan Town, Taiwanese Business Investment District, Quanzhou City, Fujian Province Applicant after: Zhuang Weilong Address before: Room S14, 4th floor, Lab Building 156 Hakka Avenue, Zhanggong District, Ganzhou City, Jiangxi Province, 341000 Applicant before: Ganzhou research and Design Institute of Machinery Co., Ltd. billion research |
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Effective date of registration: 20191024 Address after: 314500 room 1-402, building 647, Shiji Avenue, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Juteng Information Technology Co., Ltd. Address before: 362000 No. 734, Longcang Village, Dongyuan Town, Taiwanese Business Investment District, Quanzhou City, Fujian Province Patentee before: Zhuang Weilong |
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