CN204938840U

CN204938840U - A kind of scissor aerial work platform

Info

Publication number: CN204938840U
Application number: CN201520539538.XU
Authority: CN
Inventors: 许树根
Original assignee: Zhejiang Dingli Machinery Co Ltd
Current assignee: Zhejiang Dingli Machinery Co Ltd
Priority date: 2015-07-23
Filing date: 2015-07-23
Publication date: 2016-01-06
Anticipated expiration: 2025-07-23

Abstract

The utility model relates to a kind of scissor aerial work platform, comprise and travel chassis and jacking system, travel chassis and comprise chassis, mobile devices, hole hole protection mechanism and leg structure, leg structure comprises vehicle frame plate, supporting leg seat board, supporting leg adapter plate, support outer tube, pipe and feet in supporting, jacking system comprises scissor type elevating structure and workplatform, scissor type elevating structure comprises scissor unit, lower scissor unit and hoist cylinder, described scissor type elevating structure is provided with Wiring duct structure, workplatform comprises platform fixed base plate, railing frame and handrail door, the utility model provides a kind of lifting stable, travel flexibly, efficiency easy and simple to handle is high, high and the lower-cost scissor aerial work platform of safety performance.

Description

A kind of scissor aerial work platform

Technical field

The utility model relates to a kind of scissor aerial work platform.

Background technology

High-altitude operation platform (Aerialworkplatform) is the product of serving the mobility aloft work such as every profession and trade aloft work, equipment installation, maintenance.High-altitude operation platform Related product mainly contains: the large class of scissor aerial work platform, in-vehicle high-altitude operation platform, crank type aerial working platform, self-propelled aloft working platform, aluminum alloy high-altitude operation platform, double-cylinder type high-altitude operation platform six.

The scissor jack up unit of high-altitude operation platform is assembled by the scissor pipe superposition in layer of mutual cross-articulation, wherein the most the lower layer of scissor pipe is hinged on rail wheel, and rail wheel can slidably reciprocate along track the oscilaltion coordinating scissor pipe on chassis.Existing high-altitude operation platform due to operation height more and more higher, cause the weight of jacking system also increasing, cause hoist cylinder needs to bear larger operation pressure, in order to ensure the stable of work, need to arrange an auxiliary hoist cylinder and carry out supplemental support, cause equipment cost to raise.Control button on the job platform of scissor aerial work platform connects the control module on bottom chassis by control line, and in existing mounting structure, control line is not protected by the shell of hard, and control line is vulnerable to damage.

In high-altitude operation platform operation process, platform operations requires higher mobile alerting ability, the steering structure of existing drive wheel, the stability of steering procedure and synchronism poor, and the limited angle rotated, affects experience.

The high-altitude operation platform of existing structure can install the stability that stay bearing plate realizes aloft work usually in the both sides of base; can in the unbalanced process of tire height; play a supporting role; but because stay bearing plate adopts fixed type to install; owing to being fixed mounting structure, stay bearing plate can produce certain negative effect to the walking crossing ability of tire.

In order to ensure platform operations aloft work state under stability, need by leg structure for job platform provides more stable support, but existing leg structure is installed comparatively complicated, causes its efficiency of assembling low, the process of overhauling dismounting supporting leg also can be caused thus comparatively complicated.

In order to ensure the safety of operating personal on workplatform, the entrance of workplatform need arrange handrail door, and the door-lock opening more complicated of existing handrail door, enters in the process of workplatform at operating personal cat ladder, causes larger inconvenience.

In order to improve the activity space on workplatform, workplatform generally includes can the platform fixed base plate of relative sliding and sliding floor, and it is relatively fixing to realize between sliding floor and platform fixed base plate by movable decking lock, existing movable decking latching operation is complicated, some even needs to plug set pin, and therefore operating efficiency is lower.

Summary of the invention

In order to solve above-mentioned technical matters, the purpose of this utility model is to provide a kind of lifting and stablizes, travels that efficiency flexible, easy and simple to handle is high, safety performance is high and lower-cost scissor aerial work platform.

In order to realize above-mentioned object, the utility model have employed following technical scheme:

A kind of scissor aerial work platform, comprise and travel chassis and jacking system, described traveling chassis comprises chassis, mobile devices, hole hole protection mechanism and leg structure, described mobile devices comprise left steering wheel, right steering is taken turns, revolver frame, right wheel carrier, linkage rack, steering cylinder and turn to bent plate, described left steering wheel, right steering wheel is rotatably installed in revolver frame respectively, on right wheel carrier, left steering is taken turns, right steering wheel is respectively by the left CD-ROM drive motor be fixed on revolver frame, the right CD-ROM drive motor be fixed on right wheel carrier realizes driving, revolver frame, right wheel carrier is rotatably installed on chassis by wheel frame axle, the axis vertical of wheel frame axle is arranged, linkage rack is made up of linkage rack main body and two the linkage rack linkage sections being separately fixed at linkage rack main body two ends, steering cylinder is between two linkage rack linkage sections, steering cylinder adopts dual-rod hydraulic cylinder, two portable bars of steering cylinder are connected on two linkage rack linkage sections, and two turn to one end of bent plate to be hinged on revolver frame respectively, on right wheel carrier, two two ends turning to the other end of bent plate to be hinged on linkage rack main body respectively, steering cylinder is fixed on chassis, turns on bent plate and the side of wheel frame axle is provided with one section of recess, hole, described hole protection mechanism comprises Zuo Keng hole plate, You Keng hole plate, hole, two first holes connecting panel, hole, two second holes connecting panel, hole, two the 3rd holes connecting panel, hole, one the 4th hole connecting panel, two sliding seat, two axis of guides, two positioning plates and two sliding seat stage clips, wherein, described Zuo Keng hole plate, You Keng hole plate is rotatably installed in the left and right sides of tray bottom respectively, the two ends of Zuo Keng hole plate lay respectively at the rear and front end of tray bottom, the two ends of You Keng hole plate lay respectively at the rear and front end of tray bottom, two axis of guides are vertically slidably mounted on chassis, two sliding seat are separately fixed on two axis of guides, two sliding seat compression spring sleeve are located on the lower end and chassis that on two axis of guides and the two ends up and down of sliding seat stage clip are against sliding seat respectively respectively, thus applied sliding seat thrust upwards by sliding seat stage clip, the upper end of the axis of guide is positioned at the below of the jacking system of job platform, the two ends of the 4th hole, hole connecting panel are separately fixed in two sliding seat, two sliding seat are arranged left and right respectively, one end hinged sliding seat respectively of hole, two first holes connecting panel, one end of hole, other end difference hinged two the second holes connecting panel of hole, two first holes connecting panel, the middle part of hole, two second holes connecting panel is hinged on chassis, one end of hole, other end difference hinged two the 3rd holes connecting panel of hole, two second holes connecting panel, the other end of hole, two the 3rd holes connecting panel is hinged on Zuo Keng hole plate, on the plate of You Keng hole, one end of one end of positioning plate and the 3rd hole, hole connecting panel is coaxially hinged on the second hole, hole connecting panel, the other end of one of them positioning plate and the other end of one of them the 3rd hole, hole connecting panel are coaxially hinged on the plate of Zuo Keng hole, the other end of another positioning plate and the other end of another hole, the 3rd hole connecting panel are coaxially hinged on the plate of You Keng hole, one end of positioning plate is provided with for being against on the second hole, hole connecting panel to limit Zuo Keng hole plate, the limited post of You Keng hole plate slewing area, described leg structure comprises vehicle frame plate, supporting leg seat board, supporting leg adapter plate, supports outer tube, supports interior pipe and feet, vehicle frame plate is fixed on chassis, supporting leg seat board is fixed on vehicle frame plate, be respectively arranged with for snapping in the upper draw-in groove of upper fastening axle and the lower blocked slot for snapping in lower fastening axle above and below supporting leg seat board, supporting leg adapter plate is fixed on the both sides supporting outer tube, supporting leg adapter plate is fixed upper fastening axle and lower fastening axle, support outer tube internal fixtion and have support cylinder, in the expansion link of support cylinder is fixed on and supports on pipe, in supporting, feet is installed in the lower end of pipe, described jacking system comprises scissor type elevating structure and workplatform, described scissor type elevating structure comprises scissor unit, lower scissor unit and hoist cylinder, multiple upper scissor unit is hinged successively from bottom to top, multiple lower scissor unit is hinged successively from bottom to top, scissor unit is wherein descended to comprise two first outer scissor pipes, two are arranged on scissor pipe and the lower scissor axle for connecting scissor pipe in the first outer scissor pipe and first in first between two first outer scissor pipes, the lower end of the first outer scissor pipe, middle part and upper end all offer the lower scissor axle fixed orifice inserted for lower scissor axle, the upper end of scissor pipe in first, middle part and lower end all offer clutch shaft bearing mounting hole, clutch shaft bearing mounting hole is built with clutch shaft bearing, in same scissor unit once, the lower scissor axle hinge being positioned at jacking system midway location is successively through the lower scissor axle fixed orifice in the middle part of a wherein first outer scissor pipe, the wherein endoporus of the supermedial clutch shaft bearing of scissor pipe in one first, lower scissor axle fixed orifice in the middle part of clutch shaft bearing endoporus in another root first in the middle part of scissor pipe and another root first outer scissor pipe, in neighbouring two lower scissor unit, the lower scissor axle being positioned at jacking system anterior position is successively through the lower scissor axle fixed orifice of a wherein first outer scissor pipe lower end of lower scissor unit being positioned at top, be positioned at the endoporus of the wherein clutch shaft bearing of a first scissor pipe upper end of the lower scissor unit of below, the lower scissor axle fixed orifice of another root first outer scissor pipe lower end of the endoporus being positioned at the clutch shaft bearing of another root first scissor pipe upper end of the lower scissor unit of below and the lower scissor unit being positioned at top, the lower scissor axle being positioned at jacking system rear position is successively through the lower scissor axle fixed orifice of a wherein first outer scissor pipe lower end of lower scissor unit being positioned at below, be positioned at the endoporus of the wherein clutch shaft bearing of a first scissor pipe upper end of the lower scissor unit of top, the lower scissor axle fixed orifice of another root first outer scissor pipe lower end of the endoporus being positioned at the clutch shaft bearing of another root first scissor pipe upper end of the lower scissor unit of top and the lower scissor unit being positioned at top, lower scissor axle and clutch shaft bearing are fixed, lower scissor axle is installed with the first screw rod, the two ends of the first screw rod are arranged with the first lockplate, first lockplate is pressed abd fixed on the outer wall of the first outer scissor pipe by the first nut be arranged on the first screw rod, the the first scissor pipe being positioned at the lower scissor unit of bottom is hinged on chassis, chassis is provided with two tracks, two the first outer scissor Guan Jun being positioned at the lower scissor unit of bottom are rotatablely equipped with rail wheel, described two rail wheels are arranged on two tracks, two the first scissor pipes being positioned at the lower scissor unit of the top are fixed with cylinder installation seat, the cylinder body of hoist cylinder is hinged on cylinder installation seat, upper scissor unit comprises two second outer scissor pipes, one is arranged on scissor pipe and the upper scissor axle for connecting scissor pipe in the second outer scissor pipe and second in first between two second outer scissor pipes, the expansion link of hoist cylinder is hinged on the first scissor pipe of the upper scissor unit being positioned at bottom, the lower end of the second outer scissor pipe, middle part and upper end all offer the upper scissor axle fixed orifice kept supplying scissor axle and insert, the upper end of scissor pipe in second, middle part and lower end all offer the second bearing mounting hole, second bearing mounting hole is built with the second bearing, in same upper scissor unit, the upper scissor axle hinge being positioned at jacking system midway location is successively through the upper scissor axle fixed orifice in the middle part of a wherein second outer scissor pipe, upper scissor axle fixed orifice in second in the middle part of the endoporus of supermedial second bearing of scissor pipe and another root second outer scissor pipe, in neighbouring two upper scissor unit, the upper scissor axle being positioned at jacking system anterior position is successively through the upper scissor axle fixed orifice of a wherein second outer scissor pipe lower end of upper scissor unit being positioned at top, the upper scissor axle fixed orifice of another root second outer scissor pipe lower end of the endoporus being positioned at the second bearing of the second scissor pipe upper end of the upper scissor unit of below and the upper scissor unit being positioned at top, the upper scissor axle being positioned at jacking system rear position is successively through the upper scissor axle fixed orifice of a wherein second outer scissor pipe lower end of upper scissor unit being positioned at below, the upper scissor axle fixed orifice of another root second outer scissor pipe lower end of the endoporus being positioned at the second bearing of the second scissor pipe upper end of the upper scissor unit of top and the upper scissor unit being positioned at top, upper scissor axle and the second bearing are fixed, upper scissor axle is installed with the second screw rod, the two ends of the second screw rod are arranged with the second lockplate, second lockplate is pressed abd fixed on the outer wall of the second outer scissor pipe by the second nut be arranged on the second screw rod, the the second scissor pipe being positioned at the upper scissor unit of the top is hinged on bottom workplatform, two rail grooves are provided with on bottom workplatform, the the second outer scissor Guan Jun being positioned at the upper scissor unit of the top is rotatablely equipped with rail groove roller, described two rail groove rollers are arranged in two rail grooves, between the upper end being arranged on two the first outer scissor pipes of the lower scissor unit in the top in the lower end of two the second outer scissor pipes of the upper scissor unit of bottom, the lower end being positioned at two the second outer scissor pipes of the upper scissor unit of bottom realizes coaxially hinged with the upper end of two the first outer scissor pipes of the lower scissor unit being positioned at the top by the middle scissor axle of jacking system anterior position, in second of the upper scissor unit of bottom, the lower end of scissor pipe is arranged on the upper end in two first of the lower scissor unit of the top between scissor pipe, in second of the upper scissor unit of bottom the lower end of scissor pipe and the upper end in two first of the lower scissor unit of the top between scissor pipe coaxially hinged by the middle scissor axle straight line being positioned at jacking system rear position, described scissor type elevating structure is provided with Wiring duct structure, described Wiring duct structure comprises wiring hard tube, wiring flexible pipe and the control line for controlling workplatform work, wiring hard tube is fixed on scissor type elevating structure, wherein connected by wiring hard tube between adjacent wire hard tube, wiring hard tube, the Wiring duct that wiring flexible pipe is formed is set to workplatform from chassis, control line is arranged on wiring hard tube, in the Wiring duct that wiring flexible pipe is formed, wiring hard tube is fixed on scissor type elevating structure by hard tube fixed mount, wherein, hard tube fixed mount comprises fixed plate and the installation sheet of Ω shape, wiring hard tube passes from the fixed plate of Ω shape, and the two ends of the fixed plate of Ω shape are screwed on installation sheet, thus wiring hard tube is fixed on hard tube fixed mount, described installation sheet is fixed on scissor type elevating structure, described workplatform comprises platform fixed base plate, railing frame and handrail door, the side of described handrail door is rotatably installed on railing frame, handrail door can be rotated around the axis of vertical direction, handrail door is locked on railing frame by the realization of railing lock, described railing lock comprises door lock rod, movable button and door latch, one end of described door lock rod is hinged on the side of handrail door, the opposite side of handrail door fixes movable button and door latch, the activity space of limiting door locking bar action radius is provided with between movable button and handrail door, described door lock rod is through activity space, door latch is fixed on railing frame, door latch is positioned at the below of the other end of door lock rod, door latch is arranged the locked groove with upper shed, described platform fixed base plate is slidably fitted with sliding floor, the left side of described platform fixed base plate and right side are provided with two platform chutes, the left side of sliding floor and right side are provided with two platform roller, platform roller is arranged in platform chute, platform fixed base plate and sliding floor are all provided with railing frame, railing frame on described sliding floor realizes being connected by movable decking lock with the railing frame on platform fixed base plate, movable decking lock comprises fixing fork, first platform jam plate and the second platform jam plate, fixing fork is hinged on the railing frame on sliding floor, one end of fixing fork is fixed with anticreep pressing plate, first platform jam plate and the second platform jam plate are one in front and one in back fixed on the railing frame on platform fixed base plate, first platform jam plate and the second platform jam plate all arrange jam plate groove.

Preferably: in a pair neighbouring two upper scissor unit, second outer scissor pipe of the upper scissor unit above being positioned at is provided with maintenance pole, one end of maintenance pole is hinged on the second outer scissor pipe, the other end of maintenance pole is fixed with fixing bayonet socket, the the second outer scissor pipe being positioned at the upper scissor unit of top is fixed with Fixing clamp-seat for connecting and fixing bayonet socket, the second outer scissor pipe with overhaul pin-and-hole pole offered for inserting set pin.

Preferably: the end of described wiring hard tube is provided with outside thread, the end winding support of wiring flexible pipe has dop, and dop is fixed in mounting pipe, and mounting pipe is provided with negative thread, thus mounting pipe is tightened to the end of wiring hard tube.

Preferably: described 4th hole, hole connecting panel is made up of left section of the 4th hole, hole connecting panel, the 4th right section of hole, hole connecting panel and linkage section, the two ends of linkage section are separately fixed on left section of the 4th hole, hole connecting panel, right section of the 4th hole, hole connecting panel.

Preferably: described fixing fork is L-shaped, the first platform jam plate is vertical with the second platform jam plate to be arranged, and the middle part of fixing fork is hinged on the railing frame on platform fixed base plate.

Preferably: described feet is rotatably installed on feet mounting blocks by feet axle, feet mounting blocks is rotatably installed in by mounting blocks axle and supports interior pipe lower end, the axis of feet axle is arranged with the axis horizontal of mounting blocks axle and mutually vertical, and the lower end supporting interior pipe is provided with the support spring plate be positioned at above feet mounting blocks.

Preferably: described linkage rack main body and two linkage rack linkage sections are integral structure.

The utility model adopts said structure, by the upper scissor unit that width is narrower, reduces the weight that lifting hydraulic cylinder will carry, and ensure that the stability of support by the lower scissor unit of wider width; By Wiring duct, make control line can protect preferably in wiring hard tube; Steering cylinder of the present utility model adopts dual-rod hydraulic cylinder to not only simplify linkage structure, and improves stability and the synchronism of steering procedure; Turn to the depression on bent plate, make to turn to bent plate more near wheel frame axle, thus can improve the angle limit turned to, enhance in-use performance.

The utility model also by the cooperation of axis draw-in groove, makes the handling of supporting leg more convenient, easy access; Hole, hole fender guard uses and does not affect normal vehicle operation flexibly, and the activity space expansion of workplatform is convenient, and the handrail door of workplatform is opened conveniently, and effectively can prevent accidental release, and safety is high.

Accompanying drawing explanation

Fig. 1 is the perspective view of the utility model embodiment scissor aerial work platform.

Fig. 2 is the Facad structure schematic diagram of the utility model embodiment scissor aerial work platform.

Fig. 3 is the construction profile schematic diagram of the utility model embodiment scissor aerial work platform.

Fig. 4 is the mounting structure schematic diagram of scissor unit in the utility model embodiment.

Fig. 5 is the mounting structure schematic diagram of scissor unit under the utility model embodiment.

Fig. 6 is the sectional structure schematic diagram of scissor unit under the utility model embodiment.

Fig. 7 is the structural representation of the utility model embodiment leg structure.

Fig. 8 is the structural representation on another visual angle of the utility model embodiment leg structure.

Fig. 9 is the Facad structure schematic diagram under the utility model embodiment mobile devices are in craspedodrome state.

Figure 10 is the perspective view under the utility model embodiment mobile devices are in craspedodrome state.

Figure 11 is the plan structure schematic diagram under the utility model embodiment mobile devices are in craspedodrome state.

Figure 12 is the plan structure schematic diagram under the utility model embodiment mobile devices are in steering state.

Figure 13 is the perspective view of hole, the utility model embodiment hole protection mechanism.

Figure 14 is the planar structure schematic diagram of hole, the utility model embodiment hole protection mechanism.

Figure 15 is the mounting structure schematic diagram of the utility model embodiment maintenance pole.

Figure 16 is the structural representation of the utility model embodiment Wiring duct structure.

Figure 17 is the mounting structure schematic diagram of the utility model embodiment wiring flexible pipe.

Figure 18 is the structural representation of the utility model embodiment hard tube fixed mount.

Figure 19 is the structural representation of the utility model embodiment workplatform.

Figure 20 is the mounting structure schematic diagram of one end of the utility model embodiment door lock rod.

Figure 21 is the structural representation of the installation of the other end of the utility model embodiment door lock rod.

Figure 22 is the mounting structure schematic diagram that the utility model embodiment fixes fork.

Detailed description of the invention

Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.

See Fig. 1-Figure 22, the present embodiment scissor aerial work platform, comprise and travel chassis 1 and jacking system 2, described traveling chassis 1 comprises chassis 11, mobile devices 12, hole, hole protection mechanism 13 and leg structure 14, described mobile devices 12 comprise left steering wheel 121, right steering wheel 122, revolver frame 123, right wheel carrier 124, linkage rack 125, steering cylinder 126 and turn to bent plate 127, described left steering wheel 121, right steering wheel 122 is rotatably installed in revolver frame 123 respectively, on right wheel carrier 124, left steering wheel 121, right steering wheel 122 is respectively by the left CD-ROM drive motor be fixed on revolver frame 123, the right CD-ROM drive motor be fixed on right wheel carrier 124 realizes driving, revolver frame 123, right wheel carrier 124 is rotatably installed on chassis 11 by wheel frame axle 128, the axis vertical of wheel frame axle 128 is arranged, linkage rack 125 is made up of linkage rack main body 1251 and two the linkage rack linkage sections 1252 being separately fixed at linkage rack main body 1251 two ends, steering cylinder 126 is between two linkage rack linkage sections 1252, steering cylinder 126 adopts dual-rod hydraulic cylinder, two portable bars of steering cylinder 126 are connected on two linkage rack linkage sections 1252, two turn to one end of bent plate 127 to be hinged on revolver frame 123 respectively, on right wheel carrier 124, two two ends turning to the other end of bent plate 127 to be hinged on linkage rack main body 1251 respectively, steering cylinder 126 is fixed on chassis 11, turn on bent plate 127 and the side of wheel frame axle 128 is provided with one section of recess 1271.Adopt this structure, can pass through, steering cylinder 126 drives linkage rack 125 to move linearly, thus drive turns to bent plate 127, make to turn to that bent plate 127 pulls revolver frame 123, right wheel carrier 124 rotates, realize turning to, in this structure, steering cylinder 126 adopts dual-rod hydraulic cylinder to not only simplify linkage structure, and improves stability and the synchronism of steering procedure; By arranging recess 1271 turning on bent plate 127, making to turn to bent plate 127 more near wheel frame axle 128, thus can improve the angle limit turned to, enhancing in-use performance.Linkage rack main body 1251 and two linkage rack linkage sections 1252 are in integral structure.

Hole, described hole protection mechanism 13 comprises Zuo Keng hole plate 131, You Keng hole plate 132, hole, two first holes connecting panel 133, hole, two second holes connecting panel 134, hole, two the 3rd holes connecting panel 135, hole, one the 4th hole connecting panel 136, two sliding seat 1310, two axis of guides 137, two positioning plates 138 and two sliding seat stage clips 139, wherein, described Zuo Keng hole plate 131, You Keng hole plate 132 is rotatably installed in the left and right sides bottom chassis 11 respectively, the two ends of Zuo Keng hole plate 131 lay respectively at the rear and front end bottom chassis 11, the two ends of You Keng hole plate 132 lay respectively at the rear and front end bottom chassis 11, two axis of guides 137 are vertically slidably mounted on chassis 11, two sliding seat 1310 are separately fixed on two axis of guides 137, two sliding seat stage clips 139 overlap and to be located at respectively on two axis of guides 137 and on the lower end that is against sliding seat 1310 respectively, the two ends up and down of sliding seat stage clip 139 and chassis 11, thus apply sliding seat 1310 thrust upwards by sliding seat stage clip 139, the upper end of the axis of guide 137 is positioned at the below of the jacking system 2 of job platform, the two ends of the 4th hole, hole connecting panel 136 are separately fixed in two sliding seat 1310, two sliding seat 1310 are arranged left and right respectively, one end hinged sliding seat 1310 respectively of hole, two first holes connecting panel 133, one end of hole, other end difference hinged two the second holes connecting panel 134 of hole, two first holes connecting panel 133, the middle part of hole, two second holes connecting panel 134 is hinged on chassis 11, one end of hole, other end difference hinged two the 3rd holes connecting panel 135 of hole, two second holes connecting panel 134, the other end of hole, two the 3rd holes connecting panel 135 is hinged on Zuo Keng hole plate 131, on You Keng hole plate 132, one end of one end of positioning plate 138 and the 3rd hole, hole connecting panel 135 is coaxially hinged on the second hole, hole connecting panel 134, the other end of one of them positioning plate 138 and the other end of one of them the 3rd hole, hole connecting panel 135 are coaxially hinged on Zuo Keng hole plate 131, the other end of another positioning plate 138 and the other end of another hole, the 3rd hole connecting panel 135 are coaxially hinged on You Keng hole plate 132, one end of positioning plate 138 is provided with for being against on the second hole, hole connecting panel 134 to limit Zuo Keng hole plate 131, the limited post 1381 of You Keng hole plate 132 slewing area.Adopt this structure, make when jacking system 2 puts down, the axis of guide 137 can be depressed, thus drive sliding seat 1310 to move down, first hole, hole connecting panel 133 pulls the second hole, hole connecting panel 134, second hinged place of hole, hole connecting panel 134 in the middle part of it is rotated forward, the other end of the second hole, hole connecting panel 134 drives the 3rd hole, hole connecting panel 135, the 3rd hole, hole connecting panel 135 is made to pull Zuo Keng hole plate 131, You Keng hole plate 132 rotates forward, make the Zuo Keng hole plate 131 originally vertically propped, You Keng hole plate 132 rotates forward, thus be retracted to contraction state, can by sliding seat stage clip 139 jack-up sliding seat 1310 when jacking system 2 rises, sliding seat 1310 is moved up, first hole, hole connecting panel 133 oppositely pulls the second hole, hole connecting panel 134, second hinged place of hole, hole connecting panel 134 in the middle part of it is rotated backward, the other end of the second hole, hole connecting panel 134 drives the 3rd hole, hole connecting panel 135, the 3rd hole, hole connecting panel 135 is made to pull Zuo Keng hole plate 131, You Keng hole plate 132 rotates backward, make the Zuo Keng hole plate 131 of contraction state, You Keng hole plate 132 returns to vertical mode of operation.Wherein, second hole, hole connecting panel 134, 3rd hole, hole connecting panel 135, Zuo Keng hole plate 131, chassis 11 constitutes four-bar mechanism, second hole, hole connecting panel 134, 3rd hole, hole connecting panel 135, You Keng hole plate 132, chassis 11 also constitutes four-bar mechanism, when the straight line that the hinged place that the straight line and the 3rd that the hinged place of cheating hole connecting panel 134 other end when the hinged place, middle part and second of the second hole hole connecting panel 134 is formed cheats the two ends of hole connecting panel 135 is formed is close to collinear position, now close to the position, dead angle of four-bar mechanism, and respective design Zuo Keng hole plate 131, You Keng hole plate 132 is now perpendicular to the ground, and the position arranging limited post 1381 is against on the second hole, hole connecting panel 134 just, make hole, hole connecting panel cannot continue to rotate backward, keep Zuo Keng hole plate 131, the vertical state of You Keng hole plate 132, and now because four-bar mechanism is close to position, dead angle, make Zuo Keng hole plate 131, the impact can resisting stronger side direction strength of You Keng hole plate 132, keep great stability.

Described 4th hole hole connecting panel 136 is made up of the 4th hole, hole connecting panel left section 1361, the 4th hole, hole connecting panel right section 1362 and linkage section 1363, and the two ends of linkage section 1363 are separately fixed on the 4th hole, hole connecting panel left section 1361, the 4th hole, hole connecting panel right section 1362.

Described leg structure 14 comprises vehicle frame plate 141, supporting leg seat board 142, supporting leg adapter plate 143, support outer tube 144, pipe 145 and feet 146 in supporting, vehicle frame plate 141 is fixed on chassis 11, supporting leg seat board 142 is fixed on vehicle frame plate 141, the upper draw-in groove 1472 for snapping in upper fastening axle 1471 and the lower blocked slot 1482 for snapping in lower fastening axle 1481 is respectively arranged with above and below supporting leg seat board 142, supporting leg adapter plate 143 is fixed on the both sides supporting outer tube 144, supporting leg adapter plate 143 is fixed upper fastening axle 1471 and lower fastening axle 1481, support outer tube 144 internal fixtion and have support cylinder 149, in the expansion link of support cylinder 149 is fixed on and supports on pipe 145, in supporting, feet 146 is installed in the lower end of pipe 145.Adopt this structure, supporting leg adapter plate 143 can be realized install on supporting leg seat board 142 by first lower fastening axle 1481 being snapped in lower blocked slot 1482 and upper fastening axle 1471 being snapped in upper draw-in groove 1472, thus support outer tube 144 is fixed on supporting leg seat board 142, not only easy to assembly, and for convenience detach, easy access.

Described feet 146 is rotatably installed on feet mounting blocks 1411 by feet axle 1410, feet mounting blocks 1411 is rotatably installed in by mounting blocks axle 1412 and supports interior pipe 145 lower end, the axis of feet axle 1410 is arranged with the axis horizontal of mounting blocks axle 1412 and mutually vertical, and the lower end supporting interior pipe 145 is provided with the support spring plate be positioned at above feet mounting blocks 1411.Adopt this structure, feet 146 can realize two degree of freedom rotated, and in feet 146 rotation process, can be subject to the elastic force of support spring plate, can keep good elastic effect, prevent rigid collision.

Described jacking system 2 comprises scissor type elevating structure 21 and workplatform 22,

Described scissor type elevating structure 21 comprises cuts fork unit 211, under cut fork unit 212 and hoist cylinder 213, fork unit 211 is cut hinged successively from bottom to top on multiple, fork unit 212 is cut hinged successively from bottom to top under multiple, wherein cut down fork unit 212 and comprise the two first outer breeches pipes 2121 of cutting, two are arranged on two first outer cutting and in first between breeches pipe 2121, cut breeches pipe 2122 and in breeches pipe 2121 and first, cut breeches pipe cut fork shaft 2,123 2122 times for connecting the first outer cutting, the lower end of cutting breeches pipe 2121 outside first, middle part and upper end are cut fork shaft 2123 under all offering confession and are inserted down and cut fork shaft fixing hole 2124, the upper end of breeches pipe 2122 is cut in first, middle part and lower end all offer clutch shaft bearing installing hole 2125, clutch shaft bearing installing hole 2125 is built with clutch shaft bearing 2126, with once cutting in fork unit 212, under being positioned at lowering or hoisting gear 2 centre position, cut fork shaft 2123 cut with scissors successively through wherein one first cut fork shaft fixing hole 2124 under cutting breeches pipe 2121 middle part outward, wherein cut the endoporus of the supermedial clutch shaft bearing 2126 of breeches pipe 2122 in one first, clutch shaft bearing 2126 endoporus at breeches pipe 2122 middle part is cut and another root first is outer cuts fork shaft fixing hole 2124 under cutting breeches pipe 2121 middle part in another root first, under neighbouring two, cut in fork unit 212, under being positioned at lowering or hoisting gear 2 anterior position, cut fork shaft 2123 successively through under being positioned at top, cut fork unit 212 wherein one first outer cut fork shaft fixing hole 2124 under cutting breeches pipe 2121 lower end, the wherein endoporus of one first clutch shaft bearing 2126 of cutting breeches pipe 2122 upper end of fork unit 212 is cut under being positioned at below, another root first of cutting fork unit 212 under being positioned at below cut breeches pipe 2122 upper end clutch shaft bearing 2126 endoporus and cut fork shaft fixing hole 2124 under cutting that another root first of fork unit 212 is outer under being positioned at top and cutting breeches pipe 2121 lower end, under being positioned at lowering or hoisting gear 2 rear position, cut fork shaft 2123 successively through under being positioned at below, cut fork unit 212 wherein one first outer cut fork shaft fixing hole 2124 under cutting breeches pipe 2121 lower end, the wherein endoporus of one first clutch shaft bearing 2126 of cutting breeches pipe 2122 upper end of fork unit 212 is cut under being positioned at top, another root first of cutting fork unit 212 under being positioned at top cut breeches pipe 2122 upper end clutch shaft bearing 2126 endoporus and cut fork shaft fixing hole 2124 under cutting that another root first of fork unit 212 is outer under being positioned at top and cutting breeches pipe 2121 lower end, under to cut fork shaft 2123 fixing with clutch shaft bearing 2126, under cut fork shaft 2123 and be installed with the first screw rod 2128, the two ends of the first screw rod 2128 are arranged with the first lockplate 2127, the first lockplate 2127 is pressed abd fixed on the first outer cutting on the outer wall of breeches pipe 2121 by the first nut 2129 being arranged on the first screw rod 2128, be positioned at and under bottom, cut first of fork unit 212 and cut breeches pipe 2122 and be hinged on chassis 11, chassis 11 is provided with two tracks 214Be positioned at that two first of cutting fork unit 212 under bottom are outer to cut breeches pipe 2121 and be all rotatablely equipped with rail wheel 215, described two rail wheels 215 are arranged on two tracks 214, be positioned at two first of cutting fork unit 212 under the top to cut and on breeches pipe 2122, be fixed with cylinder installation seat 216, the cylinder body of hoist cylinder 213 is hinged on cylinder installation seat 216, on cut fork unit 211 and comprise the two second outer breeches pipes 2111 of cutting, one be arranged on two second outer cut in first between breeches pipe 2111, cut breeches pipe 2122 and for connect second outer cut in breeches pipe 2111 and second, cut breeches pipe on cut fork shaft, the expansion link of hoist cylinder 213 be hinged on be positioned at bottom on cut first cutting on breeches pipe 2122 of fork unit 211, the lower end of cutting breeches pipe 2111 outside second, middle part and upper end all offer keep supplying cut fork shaft insertion on cut fork shaft fixing hole, the upper end of breeches pipe is cut in second, middle part and lower end all offer the second bearing mounting hole, the second bearing mounting hole is built with the second bearing, on same, cut in fork unit 211, be positioned at lowering or hoisting gear 2 centre position on cut fork shaft hinge successively through wherein one second outer cut breeches pipe 2111 middle part on cut fork shaft fixing hole, in second, cut the endoporus of supermedial the second bearing of breeches pipe and another root second outer cut breeches pipe 2111 middle part on cut fork shaft fixing hole, neighbouring two are cut in fork unit 211, be positioned at lowering or hoisting gear 2 anterior position on cut fork shaft successively through be positioned at top on cut fork unit 211 wherein one second outer cut breeches pipe 2111 lower end on cut fork shaft fixing hole, be positioned at below on cut the second bearing that breeches pipe upper end is cut in second of fork unit 211 endoporus and be positioned at top on cut another root second of fork unit 211 outer cut breeches pipe 2111 lower end on cut fork shaft fixing hole, be positioned at lowering or hoisting gear 2 rear position on cut fork shaft successively through be positioned at below on cut fork unit 211 wherein one second outer cut breeches pipe 2111 lower end on cut fork shaft fixing hole, be positioned at top on cut the second bearing that breeches pipe upper end is cut in second of fork unit 211 endoporus and be positioned at top on cut another root second of fork unit 211 outer cut breeches pipe 2111 lower end on cut fork shaft fixing hole, on cut fork shaft and the second bearing is fixed, on cut fork shaft and be installed with the second screw rod 2114, the two ends of the second screw rod 2114 are arranged with the second lockplate 2116, the second lockplate 2116 is pressed abd fixed on the second outer cutting on the outer wall of breeches pipe 2111 by the second nut 2115 being arranged on the second screw rod 2114, be positioned at the top on cut second of fork unit 211 and cut breeches pipe and be hinged on workbench 22 bottom, workbench 22 bottom is provided with two track 214 grooves, be positioned at the top on cut second of fork unit 211 and outer cut breeches pipe 2111 and be all rotatablely equipped with track 214 grooved roller, described two track 214 grooved roller are arranged in two track 214 grooves.

Between the upper end being arranged on two the first outer scissor pipes 2121 of the lower scissor unit 212 in the top in the lower end of two the second outer scissor pipes 2111 of the upper scissor unit 211 of bottom, the lower end being positioned at two the second outer scissor pipes 2111 of the upper scissor unit 211 of bottom realizes coaxially hinged with the upper end of two the first outer scissor pipes 2121 of the lower scissor unit 212 being positioned at the top by the middle scissor axle 2117 of jacking system 2 anterior position, in second of the upper scissor unit 211 of bottom, the lower end of scissor pipe is arranged on the upper end in two first of the lower scissor unit 212 of the top between scissor pipe 2122, in second of the upper scissor unit 211 of bottom the lower end of scissor pipe and the upper end in two first of the lower scissor unit 212 of the top between scissor pipe 2122 coaxially hinged by middle scissor axle 2117 straight line being positioned at jacking system 2 rear position.Adopt this structure, by the upper scissor unit 211 that width is narrower, not only under the prerequisite ensureing wicking height, the weight that lifting hydraulic cylinder will carry is reduced by the thickness reducing upper scissor unit 211, improve plant efficiency and safety, and ensure that the stability of support by the lower scissor unit 212 of wider width.

In a pair neighbouring two upper scissor unit 211, second outer scissor pipe 2111 of the upper scissor unit 211 above being positioned at is provided with maintenance pole 2118, one end of maintenance pole 2118 is hinged on the second outer scissor pipe 2111, the other end of maintenance pole 2118 is fixed with fixing bayonet socket 21181, the the second outer scissor pipe 2111 being positioned at the upper scissor unit 211 of top be fixed with the outer scissor pipe 2111 of Fixing clamp-seat 2119, second for connecting and fixing bayonet socket 21181 and overhaul the pin-and-hole 21110 pole 2118 offered for inserting set pin.Adopt this structure, when needs overhaul, extract set pin, rotate maintenance pole 2118, fixing bayonet socket 21181 is aimed at Fixing clamp-seat 2119, and operates jacking system 2 and decline, maintenance pole 2118 is withstood on Fixing clamp-seat 2119, thus preventing in maintenance process, lifting hydraulic cylinder loses suddenly oil pressure and causes jacking system 2 to continue situation about declining, and decreases security risk.

Described scissor type elevating structure 21 is provided with Wiring duct structure, described Wiring duct structure comprises wiring hard tube 2171, wiring flexible pipe 2172 and the control line for controlling workplatform 22 work, wiring hard tube 2171 is fixed on scissor type elevating structure 21, wherein connected by wiring hard tube 2171 between adjacent wire hard tube 2171, wiring hard tube 2171, the Wiring duct that wiring flexible pipe 2172 is formed is set to workplatform 22 from chassis 11, control line is arranged on wiring hard tube 2171, in the Wiring duct that wiring flexible pipe 2172 is formed, wiring hard tube 2171 is fixed on scissor type elevating structure 21 by hard tube fixed mount 2173, wherein, hard tube fixed mount 2173 comprises fixed plate 2174 and the installation sheet 2175 of Ω shape, wiring hard tube 2171 passes from the fixed plate 2174 of Ω shape, and the two ends of the fixed plate 2174 of Ω shape are screwed on installation sheet 2175, thus wiring hard tube 2171 is fixed on hard tube fixed mount 2173, described installation sheet 2175 is fixed on scissor type elevating structure 21.Adopt this structure; by the Wiring duct that wiring hard tube 2171, wiring flexible pipe 2172 are formed; not only make control line can protect preferably in wiring hard tube 2171; and connected by wiring hard tube 2171 between adjacent wire hard tube 2171 and make in scissor type elevating structure 21 oscilaltion process, the activity that adjacent wire hard tube 2171 can comply with scissor type elevating structure 21 is rotated.

The end of wiring hard tube 2171 is provided with outside thread, and the end winding support of wiring flexible pipe 2172 has dop 2176, and dop 2176 is fixed in mounting pipe, and mounting pipe is provided with negative thread, thus mounting pipe is tightened to the end of wiring hard tube 2171.Adopt this structure, wiring hard tube 2171 and wiring flexible pipe 2172 can be very easy to throw off, thus facilitate installation and the maintenance of control line.

Described workplatform 22 comprises platform fixed base plate 221, railing frame 222 and handrail door 223,

The side of described handrail door 223 is rotatably installed on railing frame 222, handrail door 223 can be rotated around the axis of vertical direction, handrail door 223 is locked on railing frame 222 by the realization of railing lock, described railing lock comprises door lock rod 2241, movable button 2242 and door latch 2243, one end of described door lock rod 2241 is hinged on the side of handrail door 223, the opposite side of handrail door 223 fixes movable button 2242 and door latch 2243, the activity space 22421 of limiting door locking bar 2241 action radius is provided with between movable button 2242 and handrail door 223, described door lock rod 2241 is through activity space 22421, door latch 2243 is fixed on railing frame 222, door latch 2243 is positioned at the below of the other end of door lock rod 2241, door latch 2243 is arranged the locked groove 22431 with upper shed.Adopt this structure to make door lock rod 2241 due to the effect of gravity, the other end of door lock rod 2241 to be dropped down onto in locked groove 22431, handrail door 223 cannot be opened, when handrail door 223 opened by needs, only need to lift door lock rod 2241.This structure is by from across the door lock rod 2241 in the side of handrail door 223 to the opposite side of handrail door 223, operator only needs hand to be goed deep into handrail door 223 medium position, i.e. liftable door lock rod 2241, due to operator enter workplatform 22 time, need to want cat ladder and on, therefore can open handrail door 223 at the midway location of door lock rod 2241, make simple, convenient.

Described platform fixed base plate 221 is slidably fitted with sliding floor 224, the left side of described platform fixed base plate 221 and right side are provided with two platform chutes 2211, the left side of sliding floor 224 and right side are provided with two platform roller, platform roller is arranged in platform chute 2211, platform fixed base plate 221 and sliding floor 224 are all provided with railing frame 222, railing frame 222 on described sliding floor 224 realizes being connected by movable decking lock with the railing frame 222 on platform fixed base plate 221, movable decking lock comprises fixing fork 2251, first platform jam plate 2252 and the second platform jam plate 2253, fixing fork 2251 is hinged on the railing frame 222 on sliding floor 224, one end of fixing fork 2251 is fixed with anticreep pressing plate 2254, first platform jam plate 2252 and the second platform jam plate 2253 are one in front and one in back fixed on the railing frame 222 on platform fixed base plate 221, first platform jam plate 2252 and the second platform jam plate 2253 all arrange jam plate groove 2255.Adopt this structure, when needing the activity space 22421 expanding workplatform 22, sliding floor 224 is moved forward, when fixing fork 2251 moves to the first platform jam plate 2252 position, rotate fixing fork 2251, fixing fork 2251 inserts in jam plate groove 2255 and anticreep pressing plate 2254 is pressed in the first platform jam plate 2252, and fixing fork 2251 can be prevented due to deadweight reversion, thus prevent fork from throwing off jam plate groove 2255, thus implementation platform fixed base plate 221 and sliding floor 224 is fixing.When needing the activity space 22421 reducing workplatform 22, move after sliding floor 224, when fixing fork 2251 moves to the second platform jam plate 2253 position, rotate fixing fork 2251, fixing fork 2251 inserts in jam plate groove 2255 and anticreep pressing plate 2254 is pressed in the second platform jam plate 2253, fixing fork 2251 can be prevented due to deadweight reversion, thus prevent fork from throwing off jam plate groove 2255, thus implementation platform fixed base plate 221 and sliding floor 224 is fixing.

Described fixing fork 2251 is L-shaped, and the first platform jam plate 2252 is vertical with the second platform jam plate 2253 to be arranged, and the middle part of fixing fork 2251 is hinged on the railing frame 222 on platform fixed base plate 221.Adopt this structure, the other end of fixing fork 2251 can be used as the handle of force, and after the other end of fixing fork 2251 enters jam plate groove 2255, the other end of fixing fork 2251 is vertical setting, and therefore can not counteract the freedom of action of operating personal.

Above content described in this specification sheets is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of the utility model specification sheets or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.

Claims

1. a scissor aerial work platform, is characterized in that: comprise and travel chassis and jacking system, described traveling chassis comprises chassis, mobile devices, hole hole protection mechanism and leg structure, described mobile devices comprise left steering wheel, right steering is taken turns, revolver frame, right wheel carrier, linkage rack, steering cylinder and turn to bent plate, described left steering wheel, right steering wheel is rotatably installed in revolver frame respectively, on right wheel carrier, left steering is taken turns, right steering wheel is respectively by the left CD-ROM drive motor be fixed on revolver frame, the right CD-ROM drive motor be fixed on right wheel carrier realizes driving, revolver frame, right wheel carrier is rotatably installed on chassis by wheel frame axle, the axis vertical of wheel frame axle is arranged, linkage rack is made up of linkage rack main body and two the linkage rack linkage sections being separately fixed at linkage rack main body two ends, steering cylinder is between two linkage rack linkage sections, steering cylinder adopts dual-rod hydraulic cylinder, two portable bars of steering cylinder are connected on two linkage rack linkage sections, and two turn to one end of bent plate to be hinged on revolver frame respectively, on right wheel carrier, two two ends turning to the other end of bent plate to be hinged on linkage rack main body respectively, steering cylinder is fixed on chassis, turns on bent plate and the side of wheel frame axle is provided with one section of recess, hole, described hole protection mechanism comprises Zuo Keng hole plate, You Keng hole plate, hole, two first holes connecting panel, hole, two second holes connecting panel, hole, two the 3rd holes connecting panel, hole, one the 4th hole connecting panel, two sliding seat, two axis of guides, two positioning plates and two sliding seat stage clips, wherein, described Zuo Keng hole plate, You Keng hole plate is rotatably installed in the left and right sides of tray bottom respectively, the two ends of Zuo Keng hole plate lay respectively at the rear and front end of tray bottom, the two ends of You Keng hole plate lay respectively at the rear and front end of tray bottom, two axis of guides are vertically slidably mounted on chassis, two sliding seat are separately fixed on two axis of guides, two sliding seat compression spring sleeve are located on the lower end and chassis that on two axis of guides and the two ends up and down of sliding seat stage clip are against sliding seat respectively respectively, thus applied sliding seat thrust upwards by sliding seat stage clip, the upper end of the axis of guide is positioned at the below of the jacking system of job platform, the two ends of the 4th hole, hole connecting panel are separately fixed in two sliding seat, two sliding seat are arranged left and right respectively, one end hinged sliding seat respectively of hole, two first holes connecting panel, one end of hole, other end difference hinged two the second holes connecting panel of hole, two first holes connecting panel, the middle part of hole, two second holes connecting panel is hinged on chassis, one end of hole, other end difference hinged two the 3rd holes connecting panel of hole, two second holes connecting panel, the other end of hole, two the 3rd holes connecting panel is hinged on Zuo Keng hole plate, on the plate of You Keng hole, one end of one end of positioning plate and the 3rd hole, hole connecting panel is coaxially hinged on the second hole, hole connecting panel, the other end of one of them positioning plate and the other end of one of them the 3rd hole, hole connecting panel are coaxially hinged on the plate of Zuo Keng hole, the other end of another positioning plate and the other end of another hole, the 3rd hole connecting panel are coaxially hinged on the plate of You Keng hole, one end of positioning plate is provided with for being against on the second hole, hole connecting panel to limit Zuo Keng hole plate, the limited post of You Keng hole plate slewing area, described leg structure comprises vehicle frame plate, supporting leg seat board, supporting leg adapter plate, supports outer tube, supports interior pipe and feet, vehicle frame plate is fixed on chassis, supporting leg seat board is fixed on vehicle frame plate, be respectively arranged with for snapping in the upper draw-in groove of upper fastening axle and the lower blocked slot for snapping in lower fastening axle above and below supporting leg seat board, supporting leg adapter plate is fixed on the both sides supporting outer tube, supporting leg adapter plate is fixed upper fastening axle and lower fastening axle, support outer tube internal fixtion and have support cylinder, in the expansion link of support cylinder is fixed on and supports on pipe, in supporting, feet is installed in the lower end of pipe, described jacking system comprises scissor type elevating structure and workplatform, described scissor type elevating structure comprises scissor unit, lower scissor unit and hoist cylinder, multiple upper scissor unit is hinged successively from bottom to top, multiple lower scissor unit is hinged successively from bottom to top, scissor unit is wherein descended to comprise two first outer scissor pipes, two are arranged on scissor pipe and the lower scissor axle for connecting scissor pipe in the first outer scissor pipe and first in first between two first outer scissor pipes, the lower end of the first outer scissor pipe, middle part and upper end all offer the lower scissor axle fixed orifice inserted for lower scissor axle, the upper end of scissor pipe in first, middle part and lower end all offer clutch shaft bearing mounting hole, clutch shaft bearing mounting hole is built with clutch shaft bearing, in same scissor unit once, the lower scissor axle hinge being positioned at jacking system midway location is successively through the lower scissor axle fixed orifice in the middle part of a wherein first outer scissor pipe, the wherein endoporus of the supermedial clutch shaft bearing of scissor pipe in one first, lower scissor axle fixed orifice in the middle part of clutch shaft bearing endoporus in another root first in the middle part of scissor pipe and another root first outer scissor pipe, in neighbouring two lower scissor unit, the lower scissor axle being positioned at jacking system anterior position is successively through the lower scissor axle fixed orifice of a wherein first outer scissor pipe lower end of lower scissor unit being positioned at top, be positioned at the endoporus of the wherein clutch shaft bearing of a first scissor pipe upper end of the lower scissor unit of below, the lower scissor axle fixed orifice of another root first outer scissor pipe lower end of the endoporus being positioned at the clutch shaft bearing of another root first scissor pipe upper end of the lower scissor unit of below and the lower scissor unit being positioned at top, the lower scissor axle being positioned at jacking system rear position is successively through the lower scissor axle fixed orifice of a wherein first outer scissor pipe lower end of lower scissor unit being positioned at below, be positioned at the endoporus of the wherein clutch shaft bearing of a first scissor pipe upper end of the lower scissor unit of top, the lower scissor axle fixed orifice of another root first outer scissor pipe lower end of the endoporus being positioned at the clutch shaft bearing of another root first scissor pipe upper end of the lower scissor unit of top and the lower scissor unit being positioned at top, lower scissor axle and clutch shaft bearing are fixed, lower scissor axle is installed with the first screw rod, the two ends of the first screw rod are arranged with the first lockplate, first lockplate is pressed abd fixed on the outer wall of the first outer scissor pipe by the first nut be arranged on the first screw rod, the the first scissor pipe being positioned at the lower scissor unit of bottom is hinged on chassis, chassis is provided with two tracks, two the first outer scissor Guan Jun being positioned at the lower scissor unit of bottom are rotatablely equipped with rail wheel, described two rail wheels are arranged on two tracks, two the first scissor pipes being positioned at the lower scissor unit of the top are fixed with cylinder installation seat, the cylinder body of hoist cylinder is hinged on cylinder installation seat, upper scissor unit comprises two second outer scissor pipes, one is arranged on scissor pipe and the upper scissor axle for connecting scissor pipe in the second outer scissor pipe and second in first between two second outer scissor pipes, the expansion link of hoist cylinder is hinged on the first scissor pipe of the upper scissor unit being positioned at bottom, the lower end of the second outer scissor pipe, middle part and upper end all offer the upper scissor axle fixed orifice kept supplying scissor axle and insert, the upper end of scissor pipe in second, middle part and lower end all offer the second bearing mounting hole, second bearing mounting hole is built with the second bearing, in same upper scissor unit, the upper scissor axle hinge being positioned at jacking system midway location is successively through the upper scissor axle fixed orifice in the middle part of a wherein second outer scissor pipe, upper scissor axle fixed orifice in second in the middle part of the endoporus of supermedial second bearing of scissor pipe and another root second outer scissor pipe, in neighbouring two upper scissor unit, the upper scissor axle being positioned at jacking system anterior position is successively through the upper scissor axle fixed orifice of a wherein second outer scissor pipe lower end of upper scissor unit being positioned at top, the upper scissor axle fixed orifice of another root second outer scissor pipe lower end of the endoporus being positioned at the second bearing of the second scissor pipe upper end of the upper scissor unit of below and the upper scissor unit being positioned at top, the upper scissor axle being positioned at jacking system rear position is successively through the upper scissor axle fixed orifice of a wherein second outer scissor pipe lower end of upper scissor unit being positioned at below, the upper scissor axle fixed orifice of another root second outer scissor pipe lower end of the endoporus being positioned at the second bearing of the second scissor pipe upper end of the upper scissor unit of top and the upper scissor unit being positioned at top, upper scissor axle and the second bearing are fixed, upper scissor axle is installed with the second screw rod, the two ends of the second screw rod are arranged with the second lockplate, second lockplate is pressed abd fixed on the outer wall of the second outer scissor pipe by the second nut be arranged on the second screw rod, the the second scissor pipe being positioned at the upper scissor unit of the top is hinged on bottom workplatform, two rail grooves are provided with on bottom workplatform, the the second outer scissor Guan Jun being positioned at the upper scissor unit of the top is rotatablely equipped with rail groove roller, described two rail groove rollers are arranged in two rail grooves, between the upper end being arranged on two the first outer scissor pipes of the lower scissor unit in the top in the lower end of two the second outer scissor pipes of the upper scissor unit of bottom, the lower end being positioned at two the second outer scissor pipes of the upper scissor unit of bottom realizes coaxially hinged with the upper end of two the first outer scissor pipes of the lower scissor unit being positioned at the top by the middle scissor axle of jacking system anterior position, in second of the upper scissor unit of bottom, the lower end of scissor pipe is arranged on the upper end in two first of the lower scissor unit of the top between scissor pipe, in second of the upper scissor unit of bottom the lower end of scissor pipe and the upper end in two first of the lower scissor unit of the top between scissor pipe coaxially hinged by the middle scissor axle straight line being positioned at jacking system rear position, described scissor type elevating structure is provided with Wiring duct structure, described Wiring duct structure comprises wiring hard tube, wiring flexible pipe and the control line for controlling workplatform work, wiring hard tube is fixed on scissor type elevating structure, wherein connected by wiring hard tube between adjacent wire hard tube, wiring hard tube, the Wiring duct that wiring flexible pipe is formed is set to workplatform from chassis, control line is arranged on wiring hard tube, in the Wiring duct that wiring flexible pipe is formed, wiring hard tube is fixed on scissor type elevating structure by hard tube fixed mount, wherein, hard tube fixed mount comprises fixed plate and the installation sheet of Ω shape, wiring hard tube passes from the fixed plate of Ω shape, and the two ends of the fixed plate of Ω shape are screwed on installation sheet, thus wiring hard tube is fixed on hard tube fixed mount, described installation sheet is fixed on scissor type elevating structure, described workplatform comprises platform fixed base plate, railing frame and handrail door, the side of described handrail door is rotatably installed on railing frame, handrail door can be rotated around the axis of vertical direction, handrail door is locked on railing frame by the realization of railing lock, described railing lock comprises door lock rod, movable button and door latch, one end of described door lock rod is hinged on the side of handrail door, the opposite side of handrail door fixes movable button and door latch, the activity space of limiting door locking bar action radius is provided with between movable button and handrail door, described door lock rod is through activity space, door latch is fixed on railing frame, door latch is positioned at the below of the other end of door lock rod, door latch is arranged the locked groove with upper shed, described platform fixed base plate is slidably fitted with sliding floor, the left side of described platform fixed base plate and right side are provided with two platform chutes, the left side of sliding floor and right side are provided with two platform roller, platform roller is arranged in platform chute, platform fixed base plate and sliding floor are all provided with railing frame, railing frame on described sliding floor realizes being connected by movable decking lock with the railing frame on platform fixed base plate, movable decking lock comprises fixing fork, first platform jam plate and the second platform jam plate, fixing fork is hinged on the railing frame on sliding floor, one end of fixing fork is fixed with anticreep pressing plate, first platform jam plate and the second platform jam plate are one in front and one in back fixed on the railing frame on platform fixed base plate, first platform jam plate and the second platform jam plate all arrange jam plate groove.

2. a kind of scissor aerial work platform according to claim 1, it is characterized in that: in a pair neighbouring two upper scissor unit, second outer scissor pipe of the upper scissor unit above being positioned at is provided with maintenance pole, one end of maintenance pole is hinged on the second outer scissor pipe, the other end of maintenance pole is fixed with fixing bayonet socket, the the second outer scissor pipe being positioned at the upper scissor unit of top is fixed with Fixing clamp-seat for connecting and fixing bayonet socket, the second outer scissor pipe with overhaul pin-and-hole pole offered for inserting set pin.

3. a kind of scissor aerial work platform according to claim 1, it is characterized in that: the end of described wiring hard tube is provided with outside thread, the end winding support of wiring flexible pipe has dop, dop is fixed in mounting pipe, mounting pipe is provided with negative thread, thus mounting pipe is tightened to the end of wiring hard tube.

4. a kind of scissor aerial work platform according to claim 1, it is characterized in that: described 4th hole, hole connecting panel is made up of left section of the 4th hole, hole connecting panel, the 4th right section of hole, hole connecting panel and linkage section, the two ends of linkage section are separately fixed on left section of the 4th hole, hole connecting panel, right section of the 4th hole, hole connecting panel.

5. a kind of scissor aerial work platform according to claim 1, is characterized in that: described fixing fork is L-shaped, and the first platform jam plate is vertical with the second platform jam plate to be arranged, and the middle part of fixing fork is hinged on the railing frame on platform fixed base plate.

6. a kind of scissor aerial work platform according to claim 1, it is characterized in that: described feet is rotatably installed on feet mounting blocks by feet axle, feet mounting blocks is rotatably installed in by mounting blocks axle and supports interior pipe lower end, the axis of feet axle is arranged with the axis horizontal of mounting blocks axle and mutually vertical, and the lower end supporting interior pipe is provided with the support spring plate be positioned at above feet mounting blocks.

7. a kind of scissor aerial work platform according to claim 1, is characterized in that: described linkage rack main body and two linkage rack linkage sections are integral structure.