Power construction site operation multifunctional dolly
Technical field
The present invention relates to a kind of small handcart, more particularly to a kind of power construction site operation multifunctional dolly.
Background technology
With China's expanding economy, electricity needs is continuously increased, and causes power construction engineering to be continuously increased.Some compared with
Remote electric power construction scene.Due to being influenceed by means of transportation, geographical environment, cause its presence of electric power construction
Problems with:1st, because the construction material and electric power tool that are related to during power construction are very more, job site operation is caused
Personnel's instrument and construction material etc. need to be carried individually, and individually storage, easily causes construction area more random.2nd, make at cloudy day or evening
When industry needs light, staff's temporary erection power supply and temporary lighting equipment are also needed, which not only adds construction operation amount
Reduce operating efficiency simultaneously.3rd, in work progress, for some operations of ascending a height, it is necessary to independent extra some chairs of carrying
Or ladder etc. carrys out less important work, cause site operation inconvenient.
The content of the invention
Can not collective conveyance and construction work more than construction material, power tool for the presence of above-mentioned power construction site operation
The problems such as temporary erection power supply is needed during industry, the invention provides a kind of power construction site operation multifunctional dolly, the dolly
With the functions such as tool storage, transport of materials, illumination and a certain degree of operation of ascending a height are provided, it can largely meet existing
The job requirements of field operating personnel.
The present invention is adopted the technical scheme that to solve its above-mentioned technical problem:A kind of many work(of power construction site operation
Energy dolly, the dolly includes wheel, cart base plate, dolly push rod, jack up unit, tool box, pallet and lighting device.
The cart base plate left and right sides is respectively symmetrically provided with four groups of stable supporting mechanisms, the stable supporting mechanism bag
Screw rod and supporting plate are included, the screw rod is located in the tapped through hole opened up in the supporting plate;The dolly push rod is articulated and connected
At the cart base plate rear;
The jack up unit includes raising bottom plate, raising top plate and lifting mechanism, and the lifting mechanism is arranged on described rise
Rise between bottom plate and the raising top plate;The raising bottom plate and the raising roof perimeter be provided with four it is symmetrical
Otic placode with through hole, the jack up unit is fixedly mounted on the dolly by bearing pin through the through hole on the raising bottom plate
On bottom plate;
The tool box includes support and the drawer being arranged on support, is provided with the bottom and top of the support
Otic placode with through hole, the tool box is arranged on above jack up unit;
The tray bottom is provided with the one-to-one otic placode with through hole of otic placode with the cradle top;
The lighting device include battery, protective cover, lamp socket, coiled pipe, power line, controlling switch, microgenerator and
Lamp stand adjusting means, the protective cover is fixedly mounted on the cart base plate rear and filled on the protective cover provided with battery
Electric hole, the battery and microgenerator are located in the protective cover, and two trailing wheels of the cart base plate pass through axletree
Connection, the microgenerator is connected by transmission belt with axletree;The lamp stand adjusting means includes expansion link and lamp stand bottom
Seat;The lamp stand base is arranged on above the protective cover and the cylindrical power outlet of projection is provided with lamp stand base;
The expansion link lower end is provided with attaching plug that is recessed and coordinating with the cylindrical power outlet;The coiled pipe is arranged on
The expansion link top and it is connected with lamp socket, the lamp socket and the power outlet pass through power line and the battery phase respectively
Even, a controlling switch being fixed on the outside of the expansion link is concatenated with the power line of the battery in the connection lamp socket.
It is preferred that, the symmetrical rectangle groove of two-phase is provided with the cart base plate and in rectangle groove two ends difference
It is provided with spherical groove;The ball corresponding with the spherical groove is provided with the raising bottom plate bottom surface.
It is preferred that, the support front edge of board has a U-type groove, and otic placode is symmetrical arranged on the cart base plate both sides, described U-shaped
Groove fits through bearing pin with the otic placode and is connected;One is provided near each described supporting plate is used to fix the stabilization
The elastic neck of the L-type of supporting mechanism, the elastic neck of the L-type is fixedly installed on the cart base plate left and right sides.
It is preferred that, the lifting mechanism includes jack, four rectangle hollow guide rails and four elevating levers, the jack
It is fixedly mounted at the top of the raising bottom plate center and jack and is connected with the raising top plate;Four rectangle hollows
Guide rail is symmetricly set on the raising bottom plate, and the elevating lever part is nested with the rectangle hollow guide rail and elevating lever
One end is fixedly linked with raising top plate, and some diameter identicals are provided with the rectangle hollow guide rail and the elevating lever and are led to
Hole;The rectangle hollow guide rail is fixedly connected with the elevating lever by bearing pin.
It is preferred that, the lifting mechanism includes connecting rod fixed support, connecting rod, mobile sliding block, guide rail and adjusting bolt, described
Connecting rod fixed support is fixed on the raising bottom plate, and the connecting rod in hinged way moves the connecting rod fixed support with described
Movable slider is connected, and the mobile sliding block, which is located at, to be arranged on the guide rail below the raising top plate, and the adjusting bolt is by setting
The tapped through hole put on the mobile sliding block is connected with the mobile sliding block.
It is preferred that, small pallet apparatus is provided with the instrument box bracket rear, the small pallet apparatus includes small pallet, consolidated
Determine neck, adjusting rod and position fixing handle, the fixed card slot is fixed on the instrument box bracket rear and fixed card slot rear is set
Have and equally distributed through hole is provided with a tapped through hole, the adjusting rod, the position fixing handle passes through the fixed card slot
The adjusting rod is fixed in the fixed card slot by the through hole on tapped through hole and the adjusting rod, and the small pallet fixes peace
At the top of the adjusting rod.
Further, mobile device is provided with four corners of the raising bottom plate and the tool box bottom plate,
The mobile device includes rotary pin shaft, locating rod, wheel bar, wheel and shrinks support, and the mobile device passes through the rotation
Axle of shipping and reselling on another market is respectively hinged on the raising bottom plate and the tool box bottom plate, and the locating rod and the wheel bar are hinged on institute
State on rotary pin shaft, the wheel is fixedly mounted on the wheel bar, the contraction support is separately fixed at the raising bottom
Four corners of plate and the tool box bottom plate and adjacent with the rotary pin shaft.
It is preferred that, the lamp stand base also includes flexible collar and pressure ring, and the flexible collar is included in round platform annular row
The elastic claw of row;Round platform type groove is provided with the lamp stand base, the taper of the flexible collar is less than the round platform type groove
Taper;The cylindrical power outlet is arranged on the circular platform type trench bottom, and the circular platform type trench bottom is provided with stage clip;
The flexible collar is fixed in the round platform type groove;The expansion link lower end is reverse frustoconic, when attaching plug and the circle
After cylindricality power outlet is plugged together, the reverse frustoconic upper surface of the expansion link lower end is stuck in the lower end of the flexible collar;It is described
Pressure ring is nested with the expansion link lower end.
Further, it is provided with high voltage magnetic field alarm on the lamp socket.
The beneficial effects of the invention are as follows:
1st, the multifunctional dolly, which is carried, carries several drawers on tool box, tool box, therefore, it is possible to disposable carrying
Compared with multiple types power tool and power tool can be concentrated to reasonable storage, be that operating personnel carries instrument and replacing instrument is provided
Convenience.
2nd, the multifunctional dolly is provided with jack up unit so that operating personnel is when ascending a height operation, without extra carrying
Ascend a height power tool, operating personnel stands directly on just adjustable using the jack up unit on the dolly on tool box or jack up unit
Operation height is saved, job task of ascending a height is completed with this, is that construction operation is provided convenience.
3rd, the multifunctional dolly is provided with pallet, is that staff needs interim storage in grading operation or operation of ascending a height
Some construction materials or power tool are provided convenience, without extra work personnel in construction aside assisted delivery instrument
Or construction material.
The equipment such as jack up unit, tool box, pallet, lighting device and dolly push rod the 4, on the multifunctional dolly are used
Bearing pin is fixed, and very easily can be dismantled said apparatus, therefore after said apparatus is dismantled, the dolly can be for fortune
The construction material of some defeated larger builds, while the integral demounting of the said equipment causes dolly to be easy to transport.
5th, the telescoping tube that the multifunctional dolly is provided with lighting device, lighting device can arbitrarily stretch so that operation
Personnel can arbitrarily adjust the height of lamp socket in operation process according to operation height;Coiled pipe on lighting device, can cause
Operating personnel adjusts the angle of lamp socket according to job requirements with purpose any direction;Expansion link uses the side of clamping with lamp stand base
Formula, facilitates the dismounting and assembling of expansion link;The high voltage magnetic field inductor set simultaneously on lamp socket, is the construction safety of operating personnel
There is provided guarantee.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is overall structure diagram of the present invention;
Fig. 2 is overall structure side view of the present invention;
Fig. 3 is cart base plate structural representation;
Fig. 4 is jack up unit first embodiment overall structure diagram;
Fig. 5 is jack up unit second embodiment overall structure diagram;
Fig. 6 is tool box overall structure diagram;
Fig. 7 is lighting device overall structure diagram;
Fig. 8 is flexible collar structure schematic diagram;
Fig. 9 is mobile device overall structure diagram;
Figure 10 is Telescopic rod structure schematic diagram;
Figure 11 is that expansion link is connected partial sectional view with lamp stand base clamping;
In figure:The elastic neck of 1 cart base plate, 11 cart base plate otic placodes, 12 spherical grooves, 13 rectangle grooves, 14L types, 2 stabilizations
Supporting mechanism, 21 studdles, 22 supporting plates, 3 dolly push rods, 31 dolly push rod risers, 4 wheels, 5 jack up units, 51 raisings
Top plate, 52 raising bottom plates, 53 jack, 54 raising bottom plate otic placodes, 55 rectangle hollow guide rails, 56 elevating levers, 57 raising top plate ears
Plate, 58 balls, 52 ' guide rails, 53 ' adjusting bolts, 54 ' mobile sliding blocks, 56 ' connecting rod fixed supports, 58 ' connecting rods, 6 tool boxes, 61
Small pallet apparatus, 612 small pallets, 613 adjusting rods, 614 position fixing handles, 615 fixed card slots, 62 instrument roof box, 63 drawers, 64
Tool box bottom plate, 65 tool box bottom plate otic placodes, 66 instrument box brackets, 67 instrument roof box otic placodes, 7 pallets, 71 tray substrate ears
Plate, 8 lighting devices, 81 protective covers, 82 lamp stand adjusting meanss, 821 pressure rings, 822 expansion links, 823 flexible collars, 8231 elasticity
Pawl, 824 lamp stand bases, 8241 round platform type grooves, 825 stage clips, 83 coiled pipes, 84 lamp sockets, 85 batteries, 86 microgenerators, 87 controls
Make switch, 88 power lines, 9 mobile devices, 91 contraction supports, 92 wheel bars, 921 cross bars, 93 wheels, 94 locating rods, 95 rotations
Bearing pin, 10 high voltage magnetic field inductors.
Embodiment
The specific embodiment of the invention is described in further detail with reference to Fig. 1-Figure 11:Apply at a kind of power construction scene
Work multifunctional dolly, the dolly includes wheel 4, cart base plate 1 and dolly push rod 3, jack up unit 5, tool box 6, pallet 7 and photograph
Bright device 8 (as shown in Figure 1), dolly push rod 3, jack up unit 5, tool box 6, pallet 7 and lighting device 8 are arranged at small underbody
On plate 1.
The left and right sides of cart base plate 1 is respectively symmetrically provided with four groups of stable supporting mechanisms 2, and stable supporting mechanism 2 includes branch
Screw rod 21 and supporting plate 22 are supportted, studdle 21 is located in the tapped through hole opened up in supporting plate 22, here, we can be by four
Group stable supporting mechanism 2 is directly welded on cart base plate 1, while we can also will stablize support machine by the way of being hinged
Structure 2 links together with cart base plate 1.When using articulated manner stable connection supporting mechanism 2 with cart base plate 1, it will need to prop up
The front end of fagging 22 sets a U-type groove, and the relative riser of U-type groove two is provided with the through hole of identical latus rectum, on the periphery pair of cart base plate 1
Claim to set the cart base plate otic placode 11 with same via, bearing pin will through the through hole on cart base plate otic placode 11 and supporting plate 21
Stable supporting mechanism 2 is hinged on cart base plate 1, when packing up stable supporting mechanism 2, for convenience fixing-stable supporting mechanism
2, we are fixedly installed one on cart base plate 1 is used for the elastic neck 14 of L-type of fixing-stable supporting mechanism 2.Make in construction
During industry, four studdles 21 of regulation cause car wheel 4 to depart from ground, are improved using studdle 21 come supporting trolley small
Safety and stability performance of the car when ascending a height operation, while under conditions of some construction ground out-of-flatnesses, individually regulation supports spiral shell
Bar 21 can be with leveling cart base plate 1.
The rear of cart base plate 1 is provided with two groups of fixing devices of dolly push rod 3, and each group of dolly push rod fixing device is by two pieces
Opposed dolly push rod riser 31 is constituted, and the through hole of two identical latus rectums is offered on dolly push rod riser 31, and bearing pin passes through
Dolly push rod 3 is fixed on small underbody through the two through hole on the two through hole and dolly push rod riser 31 of the lower end of dolly push rod 3
On plate 1, dolly push rod 3 is fixed by two, one side bearing pin, and so when promoting dolly, dolly push rod 3 will not be with cart base plate 1
Generation relative motion.When needing to pack up dolly push rod 3, a pin of on dolly push rod riser 31 through hole of can choosing
Axle so that dolly push rod 3 is that radial type is linked with cart base plate 1, and such dolly push rod 3 can be with folding and unfolding in the upper of cart base plate 1
In plane.
Jack up unit 5 includes raising bottom plate 52, raising top plate 51 and lifting mechanism, and lifting mechanism is arranged on raising bottom plate 52
Between raising top plate 51;Raising bottom plate 52 and the periphery of raising top plate 51 are provided with four symmetrical raising bottom plate otic placodes
54 and raising top plate otic placode 57, offer the through hole of identical latus rectum, raising in raising bottom plate otic placode 54 and raising top plate otic placode 57
Device 5 is fixedly mounted on cart base plate 1 by bearing pin through the through hole of raising bottom plate 52.Due to the heavier-weight of jack up unit 5,
Some are painstaking when on cart base plate 1, here, we will set the symmetrical rectangle groove of two-phase on the cart base plate 1
13 and it is respectively arranged with spherical groove 12, the bottom surface of raising bottom plate 52 and is provided with and the spherical groove 12 at the two ends of rectangle groove 13
Corresponding ball 58, when assembling jack up unit 5 so that ball 58 is slided in rectangle groove 13, when ball 58 reaches ball
During shape 12 position of groove, jack up unit 5 reaches installation site simultaneously, and the work for installing jack up unit 5 is reduced using such a mode
Intensity.
Here, our preferred two kinds of specific embodiments of lifting mechanism, lifting mechanism first embodiment (as shown in Figure 4)
Embodiment is:Lifting mechanism includes jack 53, four rectangle hollow guide rails 55 and four elevating levers 56, jack 53
The center of raising bottom plate 52 and the top of jack 53 is fixedly mounted on raising top plate 51 to be connected;Four rectangle hollow guide rails 55
It is symmetricly set on raising bottom plate 52, the part of elevating lever 56 is nested with rectangle hollow guide rail 55 and the one end of elevating lever 56 is with rising
Rise top plate 51 to be fixedly linked, some diameter identical through holes are provided with rectangle hollow guide rail 55 and elevating lever 56;Rectangle is empty
Heart guide rail 55 is fixedly connected with elevating lever 56 by bearing pin.When construction operation needs to ascend a height, pull out be fixedly connected with rectangle first
The bearing pin of hollow guide rail 55 and elevating lever 56, then operates jack 53 to promote raising top plate 52 to rise, when reaching required height
Afterwards, elevating lever 56 is fixed on rectangle hollow guide rail 55 by bearing pin, that is, completes rise task;When not needing raising, then
It is secondary to pull out the bearing pin for being fixedly connected with rectangle hollow guide rail 55 and elevating lever 56, jack 53 is then operated, raising top plate 53 is in weight
Begun to decline in the presence of power, after raising top plate 53 falls in place, elevating lever 56 is fixed on by rectangle hollow by bearing pin and led
On rail 55, complete lifting mechanism and pack up task.
Lifting mechanism second embodiment (as shown in Figure 5) embodiment is:Lifting mechanism includes connecting rod fixed support
56', four connecting rod 58', two pieces of mobile sliding block 54', guide rail 52 ' and adjusting bolt 53 ', fixed support 56 ' is by four pieces of riser structures
Into and every two pieces of risers be divided into one group it is opposed be welded on raising bottom plate 52, two identical latus rectums are offered on riser
Fixed support 56 ' is connected by through hole, connecting rod 58' with mobile sliding block 54' in hinged way by the through hole on riser, two pieces of movements
Sliding block 54' is symmetricly set on the guide rail of the lower section of raising top plate 53, and adjusting bolt 53 ' is by being arranged on mobile sliding block 54'
Tapped through hole is connected with two pieces of mobile sliding block 54'.When construction operation needs to ascend a height, turn clockwise adjusting bolt 53 ', with
Adjusting bolt 53 ' rotates, and two pieces of mobile sliding blocks 54 ' do relatively close motion along guide rail 52 ', and two pieces of mobile sliding blocks 54 ' drive
Connecting rod 58 ' is packed up, that is, promotes raising top plate 53 to lift, when reaching demand height, adjusting bolt 53 ' of stopping the rotation;
When needing to pack up this lifting mechanism, rotate counterclockwise adjusting bolt 53 ' can reduce height.
In order to which structure organization relation on tool box 6 is further described in detail, tool box is divided into tool box by us herein
Bottom plate 64, instrument box bracket 66, drawer 63 and instrument roof box 62, tool box bottom plate 64 and the periphery of instrument roof box 62 are respectively provided with
There are four symmetrical tool box bottom plate otic placodes 65 and instrument roof box otic placode 67 and identical latus rectum is offered on above-mentioned otic placode
Through hole, tool box 6 is consolidated by bearing pin through the through hole on the through hole and raising top plate otic placode 57 on tool box bottom plate otic placode 65
Dingan County is mounted in the top of jack up unit 5;Instrument box bracket 66 is fixedly mounted on the medium position of tool box bottom plate 64, drawer 63 and instrument
Roof box 62 is fixedly mounted on instrument box bracket 66.When ascending a height operation, construction material is taken nearby for convenience of operating personnel
Material and instrument, strengthen device 61, small pallet apparatus 61 includes small pallet 612, fixed at the rear of instrument box bracket 66 provided with small pallet
Neck 615, adjusting rod 613 and position fixing handle 614, fixed card slot 615 are fixed on the rear of instrument box bracket 66 and neck rear and set
Have and equally distributed through hole is provided with a tapped through hole, adjusting rod 613, position fixing handle 614 passes through the spiral shell on fixed card slot 615
Adjusting rod 613 is fixed in fixed card slot 615 by the through hole on line through hole and adjusting rod 613, and small pallet 612 is fixedly mounted on tune
The top of pole 613, the height of small pallet 612 is adjusted by adjusting adjusting rod 613 with the relative position of fixed card slot 615.
The floor peripheral of pallet 7 is provided with four symmetrical tray substrate otic placodes 71 and phase is offered on otic placode
With the through hole of latus rectum, bearing pin is through the through hole on the through hole and instrument roof box otic placode 62 on tray substrate otic placode 71 by pallet 7
It is fixedly mounted on the top of tool box 6.
Lighting device 8 includes battery 85, protective cover 81, lamp socket 84, coiled pipe 83, power line 88, controlling switch 87, miniature
Generator 86 and lamp stand adjusting means 82, protective cover 81 are fixedly mounted on the rear of cart base plate 1 and in protective cover 81 by bearing pin
It is that battery 85 charges by battery charging hole when not constructing provided with battery charging hole, battery 85 and miniature hair
Motor 86 is located in the protective cover 81, and two trailing wheels of the cart base plate 1 are connected by axletree, and microgenerator 86 leads to
Transmission belt is crossed with axletree to be connected;When pushing dolly, wheel 4 drives microgenerator 86 to generate electricity and microgenerator 86 will production
Raw electrical energy transportation is interior in case being used when illuminating to battery 85;Lamp stand adjusting means 82 includes expansion link 822 and lamp stand base
824;Lamp stand base 824 is fixedly mounted on the top of protective cover 81 by screw and raised cylindrical power supply is provided with top and inserts
Seat 882, expansion link 822 is fixedly mounted on lamp stand base 824 by screw and the lower end of expansion link 822 is provided with recessed power supply
Plug 881, coiled pipe 83 is arranged on flexible 822 bar top and is connected with lamp socket 84, lamp socket 84 and attaching plug 881, power outlet
882 are connected by power line 88 respectively with battery 85, and one is concatenated on power line 88 of the connection lamp socket 84 with attaching plug 881
The controlling switch 87 in the outside of expansion link 822 is fixed on, coiled pipe 83 has certain weight capacity and deformability, in job execution
When, the profile of coiled pipe 83 can be adjusted according to lighting demand, optimal lighting condition is reached with this.Expansion link for convenience
822 are removed and installed, and the connected mode of expansion link 822 and lamp stand base 824 is set to clamping by us, i.e., expansion link 822 can
It is that this adds flexible collar 823 and pressure ring 821 in lamp stand adjusting means 82 to be directly clamped among on lamp stand base 824, it is described
Flexible collar 823 includes the elastic claw 8231 in round platform annular array;Round platform type groove is provided with the lamp stand base 824
8241, the taper of the flexible collar 823 is less than the taper of the round platform type groove 8241, so, when pressure ring 821 is pushed, bullet
Property pawl 8231 can be expanded outwardly, so that the lower end of expansion link 822 is separated with elastic claw 8231;The cylindrical power outlet
882 are arranged on the bottom of round platform type groove 8241, and the bottom of round platform type groove 8241 is provided with stage clip 825;The elastic card
Hoop 823 is fixed in the round platform type groove 8241;The lower end of expansion link 822 be reverse frustoconic, when attaching plug 881 with it is described
After cylindrical power outlet 882 is plugged together, the reverse frustoconic upper surface of the lower end of expansion link 822 is stuck in the flexible collar 823
Lower end.Flexible collar 823 is fixedly mounted on the lamp stand base 824 by screw, and expansion link 822 passes through flexible collar
823 are connected on lamp stand base 824, and pressure ring 821 is nested with the lower end of expansion link 822, when needing dismounting expansion link 822, use hand
Pressure ring 821 is pushed, descending pressure ring 821 struts elastic claw 8231, stage clip 825 is with i.e. by the jack-up of expansion link 822, now vertically
Expansion link 822 of choosing can take out it out of flexible collar 823, and expansion link 822 shrinks power line required during with extended position
88 are deposited in inside the hollow cylinder of expansion link 822, and high voltage magnetic field alarm, high voltage magnetic field alarm 10 are additionally provided with lamp socket 84
Alarm signal is sent when sensing high pressure, safety guarantee is provided for construction operation.
Jack up unit 5, tool box 6, pallet 7 and the lighting device 8 of the multifunctional dolly are fixed on its phase using bearing pin
On corresponding position, and jack up unit 5, tool box 6 are identical with the installation location dimension of pallet 7, when ascending a height operation, dismantle
Rise device 5, tool box 6 and any device of pallet 7 and have no effect on installation positioning of other devices on dolly, such operation people
Member can be selected be station on instrument roof box 62 according to operation height or station carries out construction work of ascending a height on raising top plate 51
Industry.
Due to jack up unit 5 and the heavier-weight of tool box 6, carry cumbersome after disassembling, we can divide
Mobile device 9 is not set in four corners of the bottom plate in jack up unit 5 and tool box 6, mobile device 9 includes rotary pin shaft
95th, locating rod 94, wheel bar 92, wheel 93 and contraction support 91, mobile device 9 are respectively hinged at raising by rotary pin shaft 95
On bottom plate 52 and tool box bottom plate 64, locating rod 94 and wheel bar 92 are hinged on rotary pin shaft 95, and wheel 93 is fixedly mounted on
On wheel bar 92.The front end of locating rod 94 is a U-type groove, and rear end is the straight-bar of a buckle, is offered on relative two risers of U-type groove
Through hole, the front end of wheel bar 92 is a U-type groove, and rear end is a L-type bar and a cross bar is provided with the middle part of L-type bar, relative in U-type groove
Through hole is offered on two risers, wheel 93 is fixed on L-type bar front end, shrink support 91 and raising bottom plate 52 and tool box are set respectively
64 4 corners of bottom plate and adjacent with rotary pin shaft 95, shrinking support 91 includes a riser and two L-type transverse slats, in mobile device
9 when packing up, for fixing vehicle wheel bar 92 and locating rod 94, wheel bar 92 and locating rod 94 be located at shrink support 91 two L-types it is horizontal
On plate.When using mobile device 9, by wheel bar 92 and locating rod 94 under contraction support gets on, then around rotary pin shaft 95
Spin out, lift jack up unit 5 or tool box 6 so that the front end of locating rod 94 in each corner is hooked on wheel bar 92
The cross bar 921 of stretching, such jack up unit 5 or tool box 6 are just held up by four wheels 93 in four groups of mobile devices 9, are being moved
It is convenient and swift when dynamic jack up unit 5 or tool box 6.