A kind of elevator for lead of power overhauling tower
Technical field
The present invention relates to technical field of power rush-repair more particularly to a kind of elevator for lead of power overhauling tower.
Background technique
In recent years, China attaches great importance to the development of national grid, when leading to the damage of electric wire because of special circumstances, needs
Special repair personnel carries out repairing work, and during repairing, technical staff needs to carry new loop to repair
Work, and conducting wire is at higher position, and a stable lifting device is particularly important, and traditional loop compared with
How weight, in the process of ascension, guarantee that the stability of loop is also extremely important, and in a practical situation, it needs sometimes
It will fall off conducting wire on the ground and be promoted at the tie point of conducting wire again and is attached again, traditional lifting device can not
It plays fixed well to conducting wire and promotes effect, we devise a kind of elevator for lead of power overhauling tower to solve thus
Problem above.
Summary of the invention
The purpose of the present invention is to solve existing lifting device, stability is insufficient in the process of ascension, gives technology people
The safety of member threatens, existing lifting device is insufficient to the limit clamping effect of loop, causes loop easily to slide, is existing
Some lifting devices the conducting wire fallen on ground can not be played well promoted and fixed effect, and propose a kind of electric power
Emergent repairing tower wire lifting device can not only realize the stability in lifting process, guarantee the safety of technical staff, and
Effect that is fixed well and being promoted can be played with the conducting wire on ground is fallen to loop, so as to the people that develops skill
The maintenance efficiency of member.
To achieve the goals above, present invention employs following technical solutions:
A kind of elevator for lead of power overhauling tower, including first base and second base, the first base and second
The bottom sidewall of pedestal is equipped with traveling wheel, and the first base and the opposite one end side wall of second base are equipped with localization machine
The opposite side wall of structure, the first base and second base is equipped with telescoping mechanism, and the telescoping mechanism includes being fixed on first
Round bar on base side wall and the shield being fixed on second base side wall, the round bar is internally threaded chamber, described
The inside of shield is equipped with protection chamber, and the inner sidewall of the protection chamber is rotatably connected to the first threaded rod, first threaded rod
It sequentially passes through the side wall of shield, the side wall of round bar and is threadedly coupled with thread cavity, the upper end side wall of the second base is fixed
It is connected with first motor, the side wall of the shield, which runs through, is equipped with the opening interconnected with protection chamber, the first motor
Output shaft end, which extends to, to be protected intracavitary and is fixedly connected with the first driving wheel, and first threaded rod, which is located at, protects intracavitary one
Section lateral wall be fixedly connected with intermeshing first driven wheel of the first driving wheel, the first base and second base it is upper
End is equipped with support plate vertically, and the upper end side wall of two support plates is fixedly connected to the first fixed plate, and two described the
The side wall of one fixed plate runs through equipped with threading hole, and the upper end side wall of two first fixed plates is equipped with support rod, and two
The side wall of the support rod is equipped with pulley, and two opposite side walls of the support plate are fixedly connected to the second fixed plate, and two
The opposite side wall of a second fixed plate is equipped with the first T shape sliding slot, slidably connects in two the first T shape sliding slots
First T-shaped slider, the upper end side wall of two first T-shaped sliders are fixedly connected to the first fixed block, and two described first
The upper end side wall of fixed block is equipped with drawstring, and the upper end side wall of the first base and second base is equipped with pull rope mechanism, and two
A drawstring passes sequentially through the threading hole of the same side, pulley and connect with pull rope mechanism, two first T-shaped sliders it
Between be equipped with bindiny mechanism, the upper end sidewalls vertical of the bindiny mechanism is equipped with vertical bar, and the upper end side wall of the vertical bar is fixedly connected
There is a U-shaped protection plate, the upper end sidewalls vertical of the bindiny mechanism is equipped with riser, and the upper end side wall of the riser is fixedly connected with the
Three fixed plates, the sidewall symmetry of the third fixed plate are set there are two the second threaded rod, and two second threaded rods run through
The side wall of third fixed plate is simultaneously connect with its sidewall thread, and the upper end side wall of two second threaded rods is fixedly connected to biography
Driving wheel is connected with transmission belt between two driving wheels, and the lateral wall of one of them second threaded rod is fixedly connected with
Second driven wheel, the upper end side wall of the third fixed plate are fixedly connected with the second motor, the output shaft end of second motor
End be fixedly connected with intermeshing second driving wheel of the second driven wheel, be symmetrically arranged with two below the third fixed plate
4th fixed plate, two second threaded rods run through the side wall of the 4th fixed plate of the same side and connect with its sidewall thread
It connects, the bottom sidewall of the third fixed plate is symmetrically arranged with two position-limit mechanisms, and the side wall of two position-limit mechanisms is fixed
It is connected with the first limit card block, upper end of the bottom sidewall of two the 4th fixed plates with first limit card block of the same side
Side wall is fixedly connected, and the side wall of two position-limit mechanisms is fixedly connected to the second limit card block, two first limits
The fixture block side wall opposite with second limit card block of the same side offsets, two first limit card blocks and two the second limiting cards
Loop is connected between block, the side wall of one of them the 4th fixed plate is fixedly connected with clamping device.
Preferably, the positioning mechanism includes the level board being arranged on first base side wall, the side wall of the level board
Through be equipped with inserted link, and the sidewall thread of the inserted link and level board connect.
Preferably, the pull rope mechanism includes that the supporting block of the upper end of first base is arranged in, the upper end of the supporting block
Side wall is fixedly connected with third motor, and the output shaft end of the third motor is fixedly connected with third driving wheel, the support
Rotating bar is rotatably connected between the block side wall opposite with support plate, the lateral wall of the rotating bar is fixedly connected with third actively
Intermeshing third driven wheel is taken turns, the lateral wall of the rotating bar is fixedly connected with take-up pulley, and the take-up pulley and drawstring are solid
Fixed connection.
Preferably, the bindiny mechanism includes connecting plate, and the upper end side wall of the connecting plate is equipped with non-slip mat, the connection
The both ends side wall of plate is equipped with the first limiting slot, sliding panel is slidably connected in two first limiting slots, described in two
Sliding panel is fixedly connected with the second fixed block far from one end side wall of the first limiting slot, the bottom sidewall of second fixed block with
The upper end side wall of first T-shaped slider is fixedly connected, and the bottom sidewall of the connecting plate is fixedly connected with limit plate, the limit plate
Bottom sidewall be equipped with the 2nd T shape sliding slot, slidably connect the second T-shaped slider, the 2nd T shape in the 2nd T shape sliding slot
The bottom sidewall of sliding block is fixedly connected with connecting rod, and the side wall of the connecting rod is fixedly connected with the side wall of the first T-shaped slider, and
The bottom sidewall of the vertical bar and riser is fixedly connected with the upper end side wall of connecting plate.
Preferably, the first motor, the second motor and third motor are servo motor.
Preferably, the position-limit mechanism includes the gag lever post that third fixed plate bottom sidewall is arranged in, the gag lever post
Side wall is equipped with the second limiting slot, slidably connects limited block in second limiting slot, the side wall of the limited block is fixedly connected
There is third fixed block, the side wall of the third fixed block is fixedly connected with the side wall of the first limit card block.
Preferably, the clamping device includes the 5th fixed plate being arranged on the 4th fixed plate side wall, and the described 5th is solid
The bottom sidewall of fixed board is symmetrically arranged with two third threaded rods, the bottom sidewall of two the third threaded rods and the 5th fixed plate
Rotation connection, the lateral wall of two third threaded rods are threaded with elevating lever, the bottom side of two elevating levers
Wall is fixedly connected with lifter plate, and two third threaded rods run through the side wall of lifter plate and connect with its side walls, institute
It states the 5th fixed plate and the opposite side wall of lifter plate is correspondingly provided with multiple first arc fixture blocks, first arc of opposite two
It is symmetrically arranged with two the second arc fixture blocks between clevis block, connects between the second arc fixture block and the first opposite arc fixture block
Multiple springs are connected to, the bottom sidewall of two third threaded rods is fixedly connected to rotating block.
Preferably, the lateral wall of two elevating levers is fixedly connected to pointer, the bottom side of the 5th fixed plate
Wall is symmetrically fixedly connected there are two scale plate, and the side wall of two pointers is connect with the side walls of opposite scale plate.
In the present invention, when needs, which will fall off the conducting wire on ground, to be promoted, the fracture head of conducting wire is extended to two
Between second arc fixture block, rotating two rotating blocks respectively can be realized the lifting of lifter plate under the action of rotating block,
During lifter plate is lifted, can be realized two the second arc fixture blocks can play good clamping effect to conducting wire, refer to
Under the action of needle and scale plate, the vertical lifting of lifter plate can be realized, when needing to carry out new loop clamping limit,
Loop is placed in two the second limit card blocks, the second motor is started, drives the second driving wheel and the rotation of the second driven wheel,
During the rotation of the second driven wheel, the rotation of one of them the second threaded rod can be realized, due to two the second threaded rods
Upper end be fixedly connected to driving wheel, and be connected with transmission belt between two driving wheels, therefore two the second spiral shells may be implemented
Rotated while rasp bar, two the second threaded rods simultaneously rotate when, due to two the 4th fixed plates with the first limit card block
Side wall be fixedly connected, and have the effect of that position-limit mechanism plays limit to the first limit card block, therefore may be implemented two
It falls while first limit card block, so as to realize the abundant clamping to loop, guarantees the stability of loop, by
One pedestal and second base are moved to helpdesk, when needing to adjust the distance between first base and second base, Ke Yiqi
Dynamic first motor drives the first driving wheel and the rotation of the first driven wheel, to realize the separation of the first threaded rod and round bar, when the
When the distance between one pedestal and second base increase, two sliding panels are slided in the first limiting slot, can guarantee in this way
The stability of connecting plate, and two the second T-shaped sliders are slided in the 2nd opposite T shape sliding slot, can be realized connecting plate
Stability in lifting is limited first base and second base by two inserted links, and technical staff stands in non-slip mat, opens
Two third motors are moved, two third driving wheels and two third driven wheel rotations are driven respectively, in two driven rotation of third
When dynamic, it can be realized two rotating bars and two take-up pulleies carry out take-up work, so that drawstring can be to the first fixed block
The effect of lifting is played, promotion work is carried out, when two the first fixed blocks are in lifting, two the first T-shaped sliders are opposite
The first T shape sliding slot in sliding, thus stablizing effect when enhancing lifting.Structure of the invention design rationally, can not only be realized
Stability in lifting process guarantees the safety of technical staff, and can rise to loop and the conducting wire fallen on ground
To effect that is good fixed and being promoted, so as to the maintenance efficiency for the personnel of developing skill.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of elevator for lead of power overhauling tower proposed by the present invention;
Fig. 2 is schematic enlarged-scale view at a kind of A of elevator for lead of power overhauling tower proposed by the present invention;
Fig. 3 is schematic enlarged-scale view at a kind of B of elevator for lead of power overhauling tower proposed by the present invention;
Fig. 4 is schematic enlarged-scale view at a kind of C of elevator for lead of power overhauling tower proposed by the present invention;
Fig. 5 is schematic enlarged-scale view at a kind of D of elevator for lead of power overhauling tower proposed by the present invention;
Fig. 6 is a kind of first T-shaped slider of elevator for lead of power overhauling tower proposed by the present invention and the first T shape sliding slot
Connection schematic diagram;
Fig. 7 be a kind of elevator for lead of power overhauling tower proposed by the present invention position-limit mechanism and the first limit card block,
The connection side view of second limit card block;
Fig. 8 is a kind of top view of the U-shaped protection plate of elevator for lead of power overhauling tower proposed by the present invention.
In figure: 1 first base, 2 second bases, 3 first threaded rods, 4 round bars, 5 inserted links, 6 level boards, 7 supporting blocks, 8
Three motors, 9 take-up pulleies, 10 third driven wheels, 11 rotating bars, 12 third driving wheels, 13 risers, 14 loops, 15 U-shaped protections
Plate, 16 drawstrings, 17 second fixed plates, 18 support plates, 19 pulleys, 20 support rods, 21 first driving wheels, 22 shields, 23 first
Motor, 24 first driven wheels, 25 connecting plates, 26 second fixed blocks, 27 first fixed blocks, 28 first T-shaped sliders, 29 connecting rods,
30 second T-shaped sliders, 31 limit plates, 32 non-slip mats, 33 first limiting slots, 34 vertical bars, 35 sliding panels, 36 the 5th fixed plates, 37
4th fixed plate, 38 scale plates, 39 pointers, 40 third threaded rods, 41 rotating blocks, 42 springs, 43 lifter plates, 44 elevating levers, 45
First arc fixture block, 46 second arc fixture blocks, 47 transmission belts, 48 driving wheels, 49 third fixed plates, 50 second threaded rods, 51
One limit card block, 52 gag lever posts, 53 second limit card blocks, 54 third fixed blocks, 55 limited blocks, 56 second limiting slots, 57 second
Motor, 58 second driven wheels, 59 second driving wheels, 60 first fixed plates.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-8, a kind of elevator for lead of power overhauling tower, including first base 1 and second base 2, the first bottom
The bottom sidewall of seat 1 and second base 2 is equipped with traveling wheel, and first base 1 and the opposite one end side wall of second base 2 are equipped with
The opposite side wall of positioning mechanism, first base 1 and second base 2 is equipped with telescoping mechanism, and the purpose of telescoping mechanism is for reality
The adjusting of distance between existing first base 1 and second base 2, so that it is able to satisfy the actual demand of different situations, telescoping mechanism packet
The shield 22 for including the round bar 4 being fixed on 1 side wall of first base and being fixed on 2 side wall of second base, the inside of round bar 4 are set
There is thread cavity, the inside of shield 22 is equipped with protection chamber, the inner sidewall of chamber is protected to be rotatably connected to the first threaded rod 3, the first spiral shell
Rasp bar 3 sequentially passes through the side wall of shield 22, the side wall of round bar 4 and is threadedly coupled with thread cavity, the upper end side wall of second base 2
It is fixedly connected with first motor 23, the side wall of shield 22, which runs through, is equipped with the opening interconnected with protection chamber, first motor 23
Output shaft end to extend to protection intracavitary and be fixedly connected with the first driving wheel 21, the first threaded rod 3 be located at protect it is intracavitary
One section of lateral wall be fixedly connected with intermeshing first driven wheel 24 of the first driving wheel 21, the setting of shield 22 be in order to
When preventing the first driving wheel 21 and the second driving wheel 24 from rotating, external influence will receive, and avoid the peace to technical staff
It threatens entirely, the upper end of first base 1 and second base 2 is equipped with support plate 18, the upper end side of two support plates 18 vertically
Wall is fixedly connected to the first fixed plate 60, and the side wall of two the first fixed plates 60 runs through equipped with threading hole, and threading hole can
The effect of limit is played to drawstring 16, the upper end side wall of two the first fixed plates 60 is equipped with support rod 20, two support rods 20
Side wall be equipped with pulley 19, two opposite side walls of support plate 18 are fixedly connected to the second fixed plate 17, and two second are solid
The opposite side wall of fixed board 17 is equipped with the first T shape sliding slot, slidably connects the first T-shaped slider 28 in two the first T shape sliding slots,
The upper end side wall of two the first T-shaped sliders 28 is fixedly connected to the first fixed block 27, the upper end side of two the first fixed blocks 27
Wall is equipped with drawstring 16, and the upper end side wall of first base 1 and second base 2 is equipped with pull rope mechanism, and two drawstrings 16 are successively
It connect by the threading hole of the same side, pulley 19 and with pull rope mechanism, bindiny mechanism is equipped between two the first T-shaped sliders 28,
The upper end sidewalls vertical of bindiny mechanism is equipped with vertical bar 34, and the upper end side wall of vertical bar 34 is fixedly connected with U-shaped protection plate 15, and U-shaped is anti-
Backplate 15 can provide the effect of protection to technical staff, guarantee the safety of technical staff, the upper end sidewalls vertical of bindiny mechanism
Equipped with riser 13, the upper end side wall of riser 13 is fixedly connected with third fixed plate 49, and the sidewall symmetry of third fixed plate 49 is equipped with
Two the second threaded rods 50, two the second threaded rods 50 are connect through the side wall of third fixed plate 49 and with its sidewall thread,
The upper end side wall of two the second threaded rods 50 is fixedly connected to driving wheel 48, is connected with transmission belt between two driving wheels 48
47, the lateral wall of one of them the second threaded rod 50 is fixedly connected with the second driven wheel 58, the upper end side wall of third fixed plate 49
It is fixedly connected with the second motor 57, the output shaft end of the second motor 57 is fixedly connected with intermeshing with the second driven wheel 58
Second driving wheel 59, the lower section of third fixed plate 49 are symmetrically arranged with two the 4th fixed plates 37, and two the second threaded rods 50 pass through
It wears the side wall of the 4th fixed plate 37 of the same side and is connect with its sidewall thread, the bottom sidewall of third fixed plate 49 is symmetrically arranged with
Two position-limit mechanisms, the setting of position-limit mechanism be in order to guarantee that two the first limit card blocks 15 can be vertically moved up or down and will not deviate,
The side wall of two position-limit mechanisms is fixedly connected to the first limit card block 51, and the bottom sidewall of two the 4th fixed plates 37 is and together
The upper end side wall of first limit card block 51 of side is fixedly connected, and the side wall of two position-limit mechanisms is fixedly connected to the second limit
Fixture block 53, two the first limit card block 51 side walls opposite with second limit card block 53 of the same side offset, two first limits
It is connected with loop 14 between fixture block 51 and two the second limit card blocks 53, the side wall of one of them the 4th fixed plate 37 is fixed to be connected
It is connected to clamping device, clamping device can play the effect of clamping and fixation to the conducting wire fallen on ground.
In the present invention, positioning mechanism includes the level board 6 being arranged on 1 side wall of first base, and the side wall of level board 6 runs through
Equipped with inserted link 5, and inserted link 5 is connect with the sidewall thread of level board 6, can guarantee the stabilization of first base 1 and second base 1
Property, pull rope mechanism includes that the supporting block 7 of the upper end of first base 1 is arranged in, and the upper end side wall of supporting block 7 is fixedly connected with third
Motor 8, the output shaft end of third motor 8 are fixedly connected with third driving wheel 12, the side wall opposite with support plate 18 of supporting block 7
Between be rotatably connected to rotating bar 11, the lateral wall of rotating bar 11 be fixedly connected with the intermeshing third of third driving wheel 12 from
Driving wheel 10, the lateral wall of rotating bar 11 are fixedly connected with take-up pulley 9, and take-up pulley 9 is fixedly connected with drawstring 16, when starting rope draging machine
When structure, the effect that two the first fixed blocks 27 are played with promotion can be realized, guarantee the progress for promoting work, bindiny mechanism includes
The upper end side wall of connecting plate 25, connecting plate 25 is equipped with non-slip mat 32, and non-slip mat 32 can enhance the protection to technical staff, connects
The both ends side wall of plate 25 is equipped with the first limiting slot 33, slidably connects sliding panel 35 in two the first limiting slots 33, and two
Sliding panel 35 is fixedly connected with the second fixed block 26, the bottom side of the second fixed block 26 far from one end side wall of the first limiting slot 33
Wall is fixedly connected with the upper end side wall of the first T-shaped slider 28, and the bottom sidewall of connecting plate 25 is fixedly connected with limit plate 31, limit
The bottom sidewall of plate 31 is equipped with the 2nd T shape sliding slot, slidably connects the second T-shaped slider 30, the 2nd T in the 2nd T shape sliding slot
The bottom sidewall of shape sliding block 30 is fixedly connected with connecting rod 29, and the side wall of connecting rod 29 and the side wall of the first T-shaped slider 28 are fixed
Connection, and the bottom sidewall of vertical bar 34 and riser 13 is fixedly connected with the upper end side wall of connecting plate 25, when first base 1 and the
When two pedestals 2 separate, two sliding panels 35 slide in the first limiting slot 33, and two the second T-shaped sliders 30 are respectively opposite
Sliding in 2nd T shape sliding slot, such purpose is the stability in order to guarantee connecting plate 25, and so that it will not due to first base 1
It separates and impacts with second base 2, guarantee stability when its promotion, first motor 23, the second motor 57 and third electricity
Machine 8 is servo motor, and position-limit mechanism includes the gag lever post 52 that 49 bottom sidewall of third fixed plate is arranged in, the side of gag lever post 52
Wall is equipped with the second limiting slot 56, slidably connects limited block 55 in the second limiting slot 56, the side wall of limited block 55 is fixedly connected with
Third fixed block 54, the side wall of third fixed block 54 are fixedly connected with the side wall of the first limit card block 51, can guarantee the first limit
Position fixture block 52 can be vertically moved up or down, and clamping device includes the 5th fixed plate 36 being arranged on 37 side wall of the 4th fixed plate, and the 5th
The bottom sidewall of fixed plate 36 is symmetrically arranged with two third threaded rods 40, the bottom of two third threaded rods 40 and the 5th fixed plate 36
The rotation connection of portion's side wall, the lateral wall of two third threaded rods 40 are threaded with elevating lever 44, the bottom of two elevating levers 44
Portion's side wall is fixedly connected with lifter plate 43, and two third threaded rods 40 connect through the side wall of lifter plate 43 and with its side walls
It connecing, the 5th fixed plate 36 and the opposite side wall of lifter plate 43 are correspondingly provided with multiple first arc fixture blocks 45, and opposite two
Two the second arc fixture blocks 46, the second arc fixture block 46 and the first opposite arc fixture block are symmetrically arranged between one arc fixture block 45
Multiple springs 42 are connected between 45, the bottom sidewall of two third threaded rods 40 is fixedly connected to rotating block 41, clamping machine
Structure is in order to clamp to the conducting wire fallen on ground, convenient for the promotion work of next step, the lateral wall of two elevating levers 44
It is fixedly connected to pointer 39, the bottom sidewall of the 5th fixed plate 36 is symmetrically fixedly connected with that there are two scale plate 38, two pointers
39 side wall is connect with the side walls of opposite scale plate 38, can guarantee two 44 synchronization liftings of elevating lever.
In the present invention, when needs, which will fall off the conducting wire on ground, to be promoted, the fracture head of conducting wire is extended to two
Between second arc fixture block 46, rotating two rotating blocks 41 respectively can be realized lifter plate 43 under the action of rotating block 41
Lifting, during lifter plate 43 is lifted, can be realized two the second arc fixture blocks 46 can play good folder to conducting wire
Holding effect fruit can be realized the vertical lifting of lifter plate 43 under the action of pointer 39 and scale plate 38, when needing new conducting wire
When circle 14 carries out clamping limit, loop 14 is placed in two the second limit card blocks 53, starts the second motor 57, drives the
Two driving wheels 59 and the second driven wheel 58 rotation, the second driven wheel 58 rotation during, can be realized one of them second
The rotation of threaded rod 50, since the upper end of two the second threaded rods 50 is fixedly connected to driving wheel 48, and two driving wheels 48
Between be connected with transmission belt 47, therefore rotation while two the second threaded rod 50 may be implemented, in two the second threaded rods 50
When rotating simultaneously, since two the 4th fixed plates 37 are fixedly connected with the side wall of the first limit card block 51, and there is limit
Mechanism plays the effect of limit to the first limit card block 51, therefore whereabouts while two the first limit card block 51 may be implemented,
So as to realize the abundant clamping to loop 14, guarantee the stability of loop 14, by first base 1 and second base 2
It is moved to helpdesk, when needing to adjust the distance between first base 1 and second base 2, can star first motor 23, band
Dynamic first driving wheel 21 and the rotation of the first driven wheel 24, so that the separation of the first threaded rod 3 and round bar 4 is realized, when first base 1
When the distance between second base 2 increases, two sliding panels 35 are slided in the first limiting slot 33, can guarantee to connect in this way
The stability of fishplate bar 25, and two the second T-shaped sliders 30 are slided in the 2nd opposite T shape sliding slot, can be realized connection
Stability of the plate 25 in lifting, is limited first base 1 and second base 2 by two inserted links 5, technical staff stands anti-skidding
On pad 32, start two third motors 8, drives two third driving wheels 12 and two third driven wheels 10 to rotate respectively, two
When a third driven wheel 10 rotates, it can be realized two rotating bars 11 and two take-up pulleies 9 carry out take-up work, so that drawing
The effect that rope 16 can play lifting to the first fixed block 27, carries out promotion work, when two the first fixed blocks 27 are in lifting,
Two the first T-shaped sliders 28 are slided in the first opposite T shape sliding slot, thus stablizing effect when enhancing lifting.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.