A kind of efficient flattening device of construction ground
Technical field
The present invention relates to a kind of efficient flattening device of construction ground, more particularly to a kind of construction ground height
Imitate flattening device.
Background technology
Construction refers to the production activity of engineering construction implementation phase, is the building course of all kinds of buildings, can also
Say it is various lines on design drawing, in specified place, become process in kind.It includes basic engineering construction, master
Body structure construction, roof construction, decorative engineering construction etc..The place of construction operation is referred to as " construction site " or cried
" job site ", is also named building site.
Ground refers to the soil body or rock mass of supporting base below building.Soil layer as building lot is divided into rock, broken
Stone soil, sand, silt, cohesive soil and artificial earth fill.Ground has subsoil and artificial foundation's (composite foundation)Two classes.Natively
Base is the natural soil layer for being not required to very important person's reinforcing.Artificial foundation needs people's consolidation process, common to have aggregate chips bed course, sand bedding course, mixing
Grey earthen backfill is tamped again.
Existing construction ground flattening device exist ground it is smooth it is uneven, smooth speed is slow, wastes time and energy
Shortcoming, thus need badly and research and develop a kind of ground even uniform, smooth speed is fast, time saving and energy saving construction it is efficiently smooth with ground
Device.
The content of the invention
(1)Technical problems to be solved
The present invention in order to overcome existing construction ground flattening device ground it is smooth it is uneven, smooth speed is slow, time-consuming
The shortcomings that laborious, the technical problem to be solved in the present invention is to provide a kind of ground even uniform, smooth speed are fast, time saving and energy saving
The efficient flattening device of construction ground.
(2)Technical scheme
In order to solve the above-mentioned technical problem, the invention provides such a efficient flattening device of construction ground, including
There are bottom plate, wheel, n shapes frame, lowering or hoisting gear, flattening device, guide rail, guide block and fixed plate, bottom base plate to be arranged with wheel, bottom
N shape framves are provided with the top of plate, n shape framves inner top is provided with lowering or hoisting gear, and n shape frame inner left walls and inner right wall are arranged with guide rail, guide rail
Guide block is provided with, fixed plate is provided between the guide block of left and right two, fixed plate bottom is provided with flattening device, is provided among bottom plate logical
Hole.
Preferably, lowering or hoisting gear includes head rod, the second connecting rod, cylinder, the 3rd connecting rod, the 4th connection
Bar, the first slide rail, the first sliding block and the first spring, be hingedly connected at left and right sides of n shape framves inner top head rod and
Second connecting rod, the right of the second connecting rod are hingedly connected with cylinder, and the bottom of cylinder is articulated and connected with the 3rd connecting rod, and first
The bottom of connecting rod is hingedly connected with the 4th connecting rod, and the bottom of the second connecting rod is hingedly connected with the 3rd connecting rod, fixed plate
Top is provided with the first slide rail, and slidingtype is provided with two the first sliding blocks on the first slide rail, and the both ends of the first slide rail are equipped with the first bullet
Spring, the first spring are connected with the first sliding block, the bottom of the 3rd connecting rod and the 4th connecting rod respectively with the first sliding block of left and right two
It is articulated and connected.
Preferably, flattening device includes mounting bracket, the first motor, roller, bearing block and rotating shaft, and fixed plate bottom is provided with
Mounting bracket, the interior front side of mounting bracket are provided with the first motor, and the output shaft of the first motor is provided with rotating shaft, and rotating shaft is provided with roller, peace
The rear side shelved is provided with bearing block, and rotating shaft rear end is connected with bearing block.
Preferably, mobile device is also included, mobile device includes the second slide rail, the second sliding block, second spring, electronic
Reel and bracing wire, fixed plate bottom are provided with the second slide rail, and slidingtype is provided with the second sliding block, the second slider bottom on the second slide rail
It is connected with mounting bracket, is provided with electronic reel on front side of the left end of the second slide rail, bracing wire, the tail end of bracing wire are wound with electronic reel
It is connected with the second sliding block, second spring is provided between the right-hand member of the right-hand member of the second slide rail and the second sliding block.
Preferably, also include paving device, paving device include fix bar, the second motor, sector gear, riser,
3rd slide rail, the 3rd sliding block, rack and movable block, bottom base plate left side are provided with fix bar, second are provided with the left of bottom of fixed
Motor, gear is connected with the output shaft of the second motor, riser is provided among bottom of fixed, the 3rd cunning is provided with the left of riser
Rail, slidingtype is provided with the 3rd sliding block on the 3rd slide rail, and rack is provided with the left of the 3rd sliding block, and wheel and rack engages, rack bottom
If due to movable block.
Preferably, also include the first electric pushrod and transverse slat, first is arranged with left and right sides of bottom base plate and electronic is pushed away
Bar, the first electric pushrod bottom are provided with transverse slat, are provided with guide hole at left and right sides of transverse slat, guide hole is corresponding with wheel.
Preferably, clamping bar and the second electric pushrod are also included, the top and bottom of bearing block are provided with the second electric pushrod,
The expansion link of second electric pushrod is provided with clamping bar.
Preferably, the first motor and the second motor are servomotor.
Operation principle:When needing to carry out smooth to ground, first, the present apparatus, which is pushed to, needs smooth place, so
Start lowering or hoisting gear work afterwards, drive flattening device to move downwardly through through hole, when flattening device touches ground, lifting dress
Put and be stopped, restart flattening device work to ground carry out it is smooth, at the same time, the present apparatus is slowly promoted, to large area
Ground carry out it is smooth.
Because lowering or hoisting gear includes head rod, the second connecting rod, cylinder, the 3rd connecting rod, the 4th connecting rod,
One slide rail, the first sliding block and the first spring, the n shape framves inner top left and right sides have been hingedly connected head rod and second and connected
Extension bar, the right of the second connecting rod are hingedly connected with cylinder, and the bottom of cylinder is articulated and connected with the 3rd connecting rod, head rod
Bottom be hingedly connected with the 4th connecting rod, the bottom of the second connecting rod is hingedly connected with the 3rd connecting rod, is set at the top of fixed plate
There is the first slide rail, slidingtype is provided with two the first sliding blocks on the first slide rail, and the both ends of the first slide rail are equipped with the first spring, and first
Spring is connected with the first sliding block, and the bottom of the 3rd connecting rod and the 4th connecting rod is hinged with the first sliding block of left and right two respectively to be connected
Connect.So when starting cylinder elongation, the 3rd connecting rod and the 4th connection is driven to move down, two the first sliding blocks move to centre
Dynamic, the first spring is stretched, and then drives guide block and fixed plate to move down, and flattening device moves down therewith, then over the ground
Face carries out smooth.
Because flattening device includes mounting bracket, the first motor, roller, bearing block and rotating shaft, fixed plate bottom is provided with peace
Shelve, front side is provided with the first motor in mounting bracket, and the output shaft of the first motor is provided with rotating shaft, and rotating shaft is provided with roller, installation
The rear side of frame is provided with bearing block, and rotating shaft rear end is connected with bearing block.So when flattening device is moved downward to contact ground, open
Dynamic first motor work, drives roller rotation, and ground is carried out to roll smooth and compacting, when not needing ground grading, closed
First motor.
Because also including mobile device, mobile device include the second slide rail, the second sliding block, second spring, it is electronic around
Line wheel and bracing wire, fixed plate bottom are provided with the second slide rail, and slidingtype is provided with the second sliding block on the second slide rail, the second slider bottom with
Mounting bracket is connected, and electronic reel is provided with front side of the left end of the second slide rail, is wound with bracing wire on electronic reel, the tail end of bracing wire and
Second sliding block is connected, and second spring is provided between the right-hand member of the second slide rail and the right-hand member of the second sliding block.Ground is carried out when
When smooth, start electronic reel operating thread, drive the second sliding block to move left and right, now second spring is stretched, and then band
Dynamic flattening device moves left and right, so can be to ground more uniform ground.
Because also including paving device, paving device includes fix bar, the second motor, sector gear, riser, the 3rd
Slide rail, the 3rd sliding block, rack and movable block, bottom base plate left side are provided with fix bar, the second motor are provided with the left of bottom of fixed,
It is connected with gear on the output shaft of second motor, is provided with riser among bottom of fixed, riser left side is provided with the 3rd slide rail, and the 3rd
Slidingtype is provided with the 3rd sliding block on slide rail, rack is provided with the left of the 3rd sliding block, wheel and rack engagement, rack bottom is set due to moving
Motion block.So starting the rotation of the second motor positive and negative alternate, the rotation of sector gear positive and negative alternate is driven, rack moves forward and backward therewith,
And then drive movable block to move forward and backward, so ground can tentatively be paved, accelerate the speed paved.
Because also including the first electric pushrod and transverse slat, the first electric pushrod is arranged with left and right sides of bottom base plate,
First electric pushrod bottom is provided with transverse slat, is provided with guide hole at left and right sides of transverse slat, guide hole is corresponding with wheel.So working as to make
During with the present apparatus, starting the elongation of the first electric pushrod, band motion plate moves down, when wheel is located just in guide hole, first
Electric pushrod stops elongation, and wheel, which will be fixed, can so prevent the present apparatus from no longer moving.
Because also including clamping bar and the second electric pushrod, the top and bottom of bearing block are provided with the second electric pushrod, the
The expansion link of two electric pushrods is provided with clamping bar.So when needing to change roller, the second electric pushrod can be controlled to shorten, clamping bar
Do not reclamp rotating shaft, you can change roller.
(3)Beneficial effect
Invention achieves the side that ground even uniform, the effect that smooth speed is fast, time saving and energy saving, the present apparatus are flattened using rolling
Formula, make ground is smooth more uniformly can also be lifted and be moved, regulation is more convenient.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is the right side structural representation of flattening device of the present invention.
Fig. 3 is the main structure diagram of lowering or hoisting gear of the present invention.
Fig. 4 is second of main structure diagram of the present invention.
Fig. 5 is the main structure diagram of paving device of the present invention.
Fig. 6 is the present invention looks up structural representation of paving device of the present invention.
Fig. 7 is the third main structure diagram of the present invention.
Fig. 8 is the main structure diagram of bearing block of the present invention.
Mark in accompanying drawing for:1- bottom plates, 2- wheels, 3-n shape framves, 4- lowering or hoisting gears, 41- head rods, 42- second
Connecting rod, 43- cylinders, the connecting rods of 44- the 3rd, the connecting rods of 45- the 4th, the slide rails of 46- first, the sliding blocks of 47- first, the bullets of 48- first
Spring, 5- flattening devices, 51- mounting brackets, the motors of 52- first, 53- rollers, 54- bearing blocks, 55- rotating shafts, 6- through holes, 7- movement dresses
Put, the slide rails of 71- second, the sliding blocks of 72- second, 73- second springs, the electronic reels of 74-, 75- bracing wires, 8- paving devices, 81- is solid
Fixed pole, the motors of 82- second, 83- sector gears, 84- risers, the slide rails of 85- the 3rd, the sliding blocks of 86- the 3rd, 87- racks, 88- movements
Block, 9- guide rails, 10- guide blocks, 11- fixed plates, the electric pushrods of 12- first, 13- transverse slats, 14- guide holes, 15- clamping bars, the electricity of 16- second
Dynamic push rod.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of efficient flattening device of construction ground, as shown in figures 1-8, include bottom plate 1, wheel 2, n shapes frame 3, lifting
Device 4, flattening device 5, guide rail 9, guide block 10 and fixed plate 11, the bottom symmetrical of bottom plate 1 are provided with wheel 2, and the top of bottom plate 1 is provided with n
Shape frame 3, the inner top of n shapes frame 3 are provided with lowering or hoisting gear 4, and the inner left wall of n shapes frame 3 and inner right wall are arranged with guide rail 9, and guide rail 9 is provided with
Guide block 10, fixed plate 11 is provided between the guide block 10 of left and right two, the bottom of fixed plate 11 is provided with flattening device 5, is provided among bottom plate 1
Through hole 6.
Embodiment 2
A kind of efficient flattening device of construction ground, as shown in figures 1-8, include bottom plate 1, wheel 2, n shapes frame 3, lifting
Device 4, flattening device 5, guide rail 9, guide block 10 and fixed plate 11, the bottom symmetrical of bottom plate 1 are provided with wheel 2, and the top of bottom plate 1 is provided with n
Shape frame 3, the inner top of n shapes frame 3 are provided with lowering or hoisting gear 4, and the inner left wall of n shapes frame 3 and inner right wall are arranged with guide rail 9, and guide rail 9 is provided with
Guide block 10, fixed plate 11 is provided between the guide block 10 of left and right two, the bottom of fixed plate 11 is provided with flattening device 5, is provided among bottom plate 1
Through hole 6.
Lowering or hoisting gear 4 includes head rod 41, the second connecting rod 42, cylinder 43, the connection of the 3rd connecting rod the 44, the 4th
Bar 45, the first slide rail 46, the first sliding block 47 and the first spring 48, the inner top of n shapes frame 3 left and right sides have been hingedly connected first
The connecting rod 42 of connecting rod 41 and second, the right of the second connecting rod 42 are hingedly connected with cylinder 43, the bottom of cylinder 43 and the 3rd
Connecting rod 44 is articulated and connected, and the bottom of head rod 41 is hingedly connected with the 4th connecting rod 45, the bottom of the second connecting rod 42
The 3rd connecting rod 44 is hingedly connected with, the top of fixed plate 11 is provided with the first slide rail 46, and slidingtype is provided with two on the first slide rail 46
First sliding block 47, the both ends of the first slide rail 46 are equipped with the first spring 48, and the first spring 48 is connected with the first sliding block 47, and the 3rd connects
The bottom of the connecting rod 45 of extension bar 44 and the 4th is articulated and connected with the first sliding block 47 of left and right two respectively.
Embodiment 3
A kind of efficient flattening device of construction ground, as shown in figures 1-8, include bottom plate 1, wheel 2, n shapes frame 3, lifting
Device 4, flattening device 5, guide rail 9, guide block 10 and fixed plate 11, the bottom symmetrical of bottom plate 1 are provided with wheel 2, and the top of bottom plate 1 is provided with n
Shape frame 3, the inner top of n shapes frame 3 are provided with lowering or hoisting gear 4, and the inner left wall of n shapes frame 3 and inner right wall are arranged with guide rail 9, and guide rail 9 is provided with
Guide block 10, fixed plate 11 is provided between the guide block 10 of left and right two, the bottom of fixed plate 11 is provided with flattening device 5, is provided among bottom plate 1
Through hole 6.
Lowering or hoisting gear 4 includes head rod 41, the second connecting rod 42, cylinder 43, the connection of the 3rd connecting rod the 44, the 4th
Bar 45, the first slide rail 46, the first sliding block 47 and the first spring 48, the inner top of n shapes frame 3 left and right sides have been hingedly connected first
The connecting rod 42 of connecting rod 41 and second, the right of the second connecting rod 42 are hingedly connected with cylinder 43, the bottom of cylinder 43 and the 3rd
Connecting rod 44 is articulated and connected, and the bottom of head rod 41 is hingedly connected with the 4th connecting rod 45, the bottom of the second connecting rod 42
The 3rd connecting rod 44 is hingedly connected with, the top of fixed plate 11 is provided with the first slide rail 46, and slidingtype is provided with two on the first slide rail 46
First sliding block 47, the both ends of the first slide rail 46 are equipped with the first spring 48, and the first spring 48 is connected with the first sliding block 47, and the 3rd connects
The bottom of the connecting rod 45 of extension bar 44 and the 4th is articulated and connected with the first sliding block 47 of left and right two respectively.
Flattening device 5 includes mounting bracket 51, the first motor 52, roller 53, bearing block 54 and rotating shaft 55, the bottom of fixed plate 11
Portion is provided with mounting bracket 51, and front side is provided with the first motor 52 in mounting bracket 51, and the output shaft of the first motor 52 is provided with rotating shaft 55, turns
Axle 55 is provided with roller 53, and the rear side of mounting bracket 51 is provided with bearing block 54, and the rear end of rotating shaft 55 is connected with bearing block 54.
Embodiment 4
A kind of efficient flattening device of construction ground, as shown in figures 1-8, include bottom plate 1, wheel 2, n shapes frame 3, lifting
Device 4, flattening device 5, guide rail 9, guide block 10 and fixed plate 11, the bottom symmetrical of bottom plate 1 are provided with wheel 2, and the top of bottom plate 1 is provided with n
Shape frame 3, the inner top of n shapes frame 3 are provided with lowering or hoisting gear 4, and the inner left wall of n shapes frame 3 and inner right wall are arranged with guide rail 9, and guide rail 9 is provided with
Guide block 10, fixed plate 11 is provided between the guide block 10 of left and right two, the bottom of fixed plate 11 is provided with flattening device 5, is provided among bottom plate 1
Through hole 6.
Lowering or hoisting gear 4 includes head rod 41, the second connecting rod 42, cylinder 43, the connection of the 3rd connecting rod the 44, the 4th
Bar 45, the first slide rail 46, the first sliding block 47 and the first spring 48, the inner top of n shapes frame 3 left and right sides have been hingedly connected first
The connecting rod 42 of connecting rod 41 and second, the right of the second connecting rod 42 are hingedly connected with cylinder 43, the bottom of cylinder 43 and the 3rd
Connecting rod 44 is articulated and connected, and the bottom of head rod 41 is hingedly connected with the 4th connecting rod 45, the bottom of the second connecting rod 42
The 3rd connecting rod 44 is hingedly connected with, the top of fixed plate 11 is provided with the first slide rail 46, and slidingtype is provided with two on the first slide rail 46
First sliding block 47, the both ends of the first slide rail 46 are equipped with the first spring 48, and the first spring 48 is connected with the first sliding block 47, and the 3rd connects
The bottom of the connecting rod 45 of extension bar 44 and the 4th is articulated and connected with the first sliding block 47 of left and right two respectively.
Flattening device 5 includes mounting bracket 51, the first motor 52, roller 53, bearing block 54 and rotating shaft 55, the bottom of fixed plate 11
Portion is provided with mounting bracket 51, and front side is provided with the first motor 52 in mounting bracket 51, and the output shaft of the first motor 52 is provided with rotating shaft 55, turns
Axle 55 is provided with roller 53, and the rear side of mounting bracket 51 is provided with bearing block 54, and the rear end of rotating shaft 55 is connected with bearing block 54.
Also include mobile device 7, mobile device 7 includes the second slide rail 71, the second sliding block 72, second spring 73, electricity
Dynamic reel 74 and bracing wire 75, the bottom of fixed plate 11 are provided with the second slide rail 71, and slidingtype is provided with the second sliding block on the second slide rail 71
72, the bottom of the second sliding block 72 is connected with mounting bracket 51, and electronic reel 74, electronic coiling are provided with front side of the left end of the second slide rail 71
Bracing wire 75 is wound with wheel 74, the tail end of bracing wire 75 is connected with the second sliding block 72, the right-hand member of the second slide rail 71 and the second sliding block 72
Second spring 73 is provided between right-hand member.
Also include paving device 8, paving device 8 includes fix bar 81, the second motor 82, sector gear 83, riser
84th, the 3rd slide rail 85, the 3rd sliding block 86, rack 87 and movable block 88, the bottom left of bottom plate 1 are provided with fix bar 81, fix bar 81
Bottom left is provided with the second motor 82, and gear is connected with the output shaft of the second motor 82, is provided among the bottom of fix bar 81 perpendicular
Plate 84, the left side of riser 84 are provided with the 3rd slide rail 85, and slidingtype is provided with the 3rd sliding block 86, the left side of the 3rd sliding block 86 on the 3rd slide rail 85
Provided with rack 87, wheel and rack 87 is engaged, and the bottom of rack 87 is set due to movable block 88.
Also include the first electric pushrod 12 and transverse slat 13, the first electric pushrod is arranged with left and right sides of the bottom of bottom plate 1
12, the bottom of the first electric pushrod 12 is provided with transverse slat 13, and the left and right sides of transverse slat 13 is provided with guide hole 14, and guide hole 14 is corresponding with wheel 2.
Also include the electric pushrod 16 of clamping bar 15 and second, the top and bottom of bearing block 54 are provided with the second electric pushrod
16, the expansion link of the second electric pushrod 16 is provided with clamping bar 15.
First motor 52 and the second motor 82 are servomotor.
Operation principle:When needing to carry out smooth to ground, first, the present apparatus, which is pushed to, needs smooth place, so
Start lowering or hoisting gear 4 afterwards to work, drive flattening device 5 to move downwardly through through hole 6, when flattening device 5 touches ground, rise
Falling unit 4 is stopped, restart flattening device 5 work to ground carry out it is smooth, at the same time, slowly promote the present apparatus, it is right
The ground of large area carries out smooth.
Because lowering or hoisting gear 4 includes head rod 41, the second connecting rod 42, cylinder 43, the 3rd connecting rod the 44, the 4th
Connecting rod 45, the first slide rail 46, the first sliding block 47 and the first spring 48, the inner top of n shapes frame 3 left and right sides have been hingedly connected
The connecting rod 42 of head rod 41 and second, the right of the second connecting rod 42 are hingedly connected with cylinder 43, the bottom of cylinder 43 with
3rd connecting rod 44 is articulated and connected, and the bottom of head rod 41 is hingedly connected with the 4th connecting rod 45, the second connecting rod 42
Bottom is hingedly connected with the 3rd connecting rod 44, and the top of fixed plate 11 is provided with the first slide rail 46, and slidingtype is provided with the first slide rail 46
Two the first sliding blocks 47, the both ends of the first slide rail 46 are equipped with the first spring 48, and the first spring 48 is connected with the first sliding block 47, the
The bottom of three connecting rods 44 and the 4th connecting rod 45 is articulated and connected with the first sliding block of left and right two respectively.So start cylinder 43
During elongation, the 3rd connecting rod 44 and the 4th connection is driven to move down, two the first sliding blocks 47 are mobile to centre, the first spring 48
It is stretched, and then drives guide block 10 and fixed plate 11 to move down, flattening device 5 is moved down therewith, and then ground is carried out
It is smooth.
Because flattening device 5 includes mounting bracket 51, the first motor 52, roller 53, bearing block 54 and rotating shaft 55, fixed plate
11 bottoms are provided with mounting bracket 51, and front side is provided with the first motor 52 in mounting bracket 51, and the output shaft of the first motor 52 is provided with rotating shaft
55, rotating shaft 55 is provided with roller 53, and the rear side of mounting bracket 51 is provided with bearing block 54, and the rear end of rotating shaft 55 is connected with bearing block 54.Institute
When flattening device 5 is moved downward to contact ground, to start the first motor 52 and work, drive roller 53 to rotate, ground is entered
Row rolls smooth and compacting, when not needing ground grading, closes the first motor 52.
Because also including mobile device 7, mobile device 7 includes the second slide rail 71, the second sliding block 72, second spring
73rd, electronic reel 74 and bracing wire 75, the bottom of fixed plate 11 are provided with the second slide rail 71, and slidingtype is provided with second on the second slide rail 71
Sliding block 72, the bottom of the second sliding block 72 are connected with mounting bracket 51, and electronic reel 74 is provided with front side of the left end of the second slide rail 71, electronic
Bracing wire 75 is wound with reel 74, the tail end of bracing wire 75 is connected with the second sliding block 72, the right-hand member and the second sliding block of the second slide rail 71
Second spring 73 is provided between 72 right-hand member.When carrying out smooth to ground, start the electronic operating thread 75 of reel 74,
The second sliding block 72 is driven to move left and right, now second spring 73 is stretched, and then drives flattening device 5 to move left and right, and so may be used
With to ground more uniform ground.
Because also including paving device 8, paving device 8 include fix bar 81, the second motor 82, sector gear 83,
Riser 84, the 3rd slide rail 85, the 3rd sliding block 86, rack 87 and movable block 88, the bottom left of bottom plate 1 are provided with fix bar 81, fixed
The bottom left of bar 81 is provided with the second motor 82, is connected with gear on the output shaft of the second motor 82, fix bar 81 is set among bottom
There is riser 84, the left side of riser 84 is provided with the 3rd slide rail 85, and slidingtype is provided with the 3rd sliding block 86, the 3rd sliding block 86 on the 3rd slide rail 85
Left side is provided with rack 87, and wheel and rack 87 is engaged, and the bottom of rack 87 is set due to movable block 88.So start the second motor 82 just
It is counter to be alternately rotated, the rotation of the positive and negative alternate of sector gear 83 is driven, rack 87 moves forward and backward therewith, and then before and after drive movable block 88
It is mobile, so ground can tentatively be paved, accelerate the speed paved.
It is electronic that first is arranged with because also including the first electric pushrod 12 and transverse slat 13, at left and right sides of the bottom of bottom plate 1
Push rod 12, the bottom of the first electric pushrod 12 are provided with transverse slat 13, and the left and right sides of transverse slat 13 is provided with guide hole 14, guide hole 14 and wheel 2
It is corresponding.So when the present apparatus need not be used, start the first electric pushrod 12 and extend, band motion plate 13 moves down, and works as car
When wheel 2 is located just in guide hole 14, the first electric pushrod 12 stops elongation, and wheel 2, which will be fixed, can so prevent this
Device no longer moves.
Because also including the electric pushrod 16 of clamping bar 15 and second, the top and bottom of bearing block 54 are provided with second and electronic pushed away
Bar 16, the expansion link of the second electric pushrod 16 are provided with clamping bar 15.So when needing to change roller 53, can control second electronic
Push rod 16 shortens, and clamping bar 15 does not reclamp rotating shaft 55, you can changes roller 53.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.