CN104724646A - Shear-fork type lifting device for aerial work platform - Google Patents
Shear-fork type lifting device for aerial work platform Download PDFInfo
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- CN104724646A CN104724646A CN201510149400.3A CN201510149400A CN104724646A CN 104724646 A CN104724646 A CN 104724646A CN 201510149400 A CN201510149400 A CN 201510149400A CN 104724646 A CN104724646 A CN 104724646A
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- scissor
- pipe
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- axle
- wiring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a shear-fork type lifting device for an aerial work platform. The shear-fork type lifting device for the aerial work platform is characterized by comprising a shear-fork type lifting structure and a work platform. The shear-fork type lifting structure comprises upper shear-fork units, lower shear-fork units and a lifting oil cylinder. The multiple upper shear-fork units are sequentially hinged from bottom to top, and the multiple lower shear-fork units are sequentially hinged from bottom to top. A wiring pipeline structure is arranged on the shear-fork type lifting structure. The wiring pipeline structure comprises wiring hard pipes, wiring flexible pipes and control wires used for controlling the work platform. The wiring hard pipes are fixed on the shear-fork type lifting structure. On the premise of guaranteeing the lifting height, by reducing the thickness of the upper shear-fork units, the weight borne by a lifting hydraulic cylinder is lowered, the efficiency and the safety of a device are improved, and the control wires can be well protected in the wiring hard pipes.
Description
Technical field
The present invention relates to a kind of jacking system 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.Existing a kind of high-altitude operation platform comprises traveling chassis and jacking system, described traveling chassis comprises chassis, mobile devices and leg structure, described jacking system comprises scissor type elevating structure and workplatform, there is following problem in the jacking system of existing high-altitude operation platform: 1) scissor jack up unit 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.
2) 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
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art; and a kind of reasonable in design is provided; the weight of jacking system is low, and it is little that hoist cylinder bears operation pressure, can by the jacking system of the scissor aerial work platform of the shell protecting control line of hard.
The present invention's adopted technical scheme that solves the problem is:
A kind of jacking system of scissor aerial work platform, it is characterized in that: comprise 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.Adopt this structure, by the upper scissor unit 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, improve plant efficiency and safety, and ensure that the stability of support by the lower scissor unit of wider width; By the Wiring duct that wiring hard tube, wiring flexible pipe are formed; not only make control line can protect preferably in wiring hard tube; and connected by wiring hard tube between adjacent wire hard tube and make in scissor type elevating structure oscilaltion process, the activity that adjacent wire hard tube can comply with scissor type elevating structure is rotated.
As 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.Adopt this structure, when needs overhaul, extract set pin, rotate maintenance pole, bayonet socket will be fixed and aim at Fixing clamp-seat, and operate jacking system decline, maintenance pole is withstood on Fixing clamp-seat, thus preventing in maintenance process, lifting hydraulic cylinder loses suddenly oil pressure and causes jacking system to continue situation about declining, and decreases security risk.
As preferably, the end of wiring hard tube is provided with outside thread, and 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.Adopt this structure, wiring hard tube and wiring flexible pipe can be very easy to throw off, thus facilitate installation and the maintenance of control line.
The present invention compared with prior art, have the following advantages and effect: by the upper scissor unit 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, improve plant efficiency and safety, and ensure that the stability of support by the lower scissor unit of wider width; By the Wiring duct that wiring hard tube, wiring flexible pipe are formed; not only make control line can protect preferably in wiring hard tube; and connected by wiring hard tube between adjacent wire hard tube and make in scissor type elevating structure oscilaltion process, the activity that adjacent wire hard tube can comply with scissor type elevating structure is rotated.
Accompanying drawing explanation
Fig. 1 is the perspective view of embodiment of the present invention scissor aerial work platform.
Fig. 2 is the Facad structure schematic diagram of embodiment of the present invention scissor aerial work platform.
Fig. 3 is the construction profile schematic diagram of embodiment of the present invention scissor aerial work platform.
Fig. 4 is the mounting structure schematic diagram of scissor unit in the embodiment of the present invention.
Fig. 5 is the mounting structure schematic diagram of scissor unit under the embodiment of the present invention.
Fig. 6 is the sectional structure schematic diagram of scissor unit under the embodiment of the present invention.
Fig. 7 is the Facad structure schematic diagram under embodiment of the present invention mobile devices are in craspedodrome state.
Fig. 8 is the perspective view under embodiment of the present invention mobile devices are in craspedodrome state.
Fig. 9 is the plan structure schematic diagram under embodiment of the present invention mobile devices are in craspedodrome state.
Figure 10 is the plan structure schematic diagram under embodiment of the present invention mobile devices are in steering state.
Figure 11 is the mounting structure schematic diagram of embodiment of the present invention maintenance pole.
Figure 12 is the structural representation of embodiment of the present invention Wiring duct structure.
Figure 13 is the mounting structure schematic diagram of embodiment of the present invention wiring flexible pipe.
Figure 14 is the structural representation of embodiment of the present invention hard tube fixed mount.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
See Fig. 1-Figure 14, 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 and leg structure 14, and described jacking system 2 comprises scissor type elevating structure 21 and workplatform 22.
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.
Described scissor type elevating structure 21 comprises scissor unit 211, lower scissor unit 212 and hoist cylinder 213, multiple upper scissor unit 211 is hinged successively from bottom to top, multiple lower scissor unit 212 is hinged successively from bottom to top, scissor unit 212 is wherein descended to comprise two first outer scissor pipes 2121, two are arranged in first between two first outer scissor pipes 2121 scissor pipe 2122 and lower scissor axle 2123 for connecting scissor pipe 2122 in the first outer scissor pipe 2121 and first, the lower end of the first outer scissor pipe 2121, middle part and upper end all offer the lower scissor axle fixing hole 2124 for the insertion of lower scissor axle 2123, the upper end of scissor pipe 2122 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 in scissor unit 212 once, the lower scissor axle 2123 being positioned at lowering or hoisting gear 2 centre position cuts with scissors lower scissor axle fixing hole 2124 in the middle part of a wherein first outer scissor pipe 2121 successively, the wherein endoporus of the supermedial clutch shaft bearing 2126 of scissor pipe 2122 in one first, clutch shaft bearing 2126 endoporus in the middle part of scissor pipe 2122 and the lower scissor axle fixing hole 2124 in the middle part of another root first outer scissor pipe 2121 in another root first, in the lower scissor unit 212 of neighbouring two, the lower scissor axle 2123 being positioned at lowering or hoisting gear 2 anterior position is successively through the lower scissor axle fixing hole 2124 of wherein first outer scissor pipe 2121 lower end of the lower scissor unit 212 being positioned at top, it is positioned at the endoporus of the wherein clutch shaft bearing 2126 of first scissor pipe 2122 upper end of the lower scissor unit 212 of lower section, it is positioned at the endoporus of the clutch shaft bearing 2126 of another root first scissor pipe 2122 upper end of the lower scissor unit 212 of lower section and it is positioned at the lower scissor axle fixing hole 2124 of another root first outer scissor pipe 2121 lower end of the lower scissor unit 212 of top, the lower scissor axle 2123 being positioned at lowering or hoisting gear 2 rear position is successively through the lower scissor axle fixing hole 2124 of wherein first outer scissor pipe 2121 lower end of the lower scissor unit 212 being positioned at lower section, it is positioned at the endoporus of the wherein clutch shaft bearing 2126 of first scissor pipe 2122 upper end of the lower scissor unit 212 of top, it is positioned at the endoporus of the clutch shaft bearing 2126 of another root first scissor pipe 2122 upper end of the lower scissor unit 212 of top and it is positioned at the lower scissor axle fixing hole 2124 of another root first outer scissor pipe 2121 lower end of the lower scissor unit 212 of top, lower scissor axle 2123 is fixed with clutch shaft bearing 2126, lower scissor axle 2123 is installed with the first screw rod 2128, the two ends of the first screw rod 2128 are arranged with the first lockplate 2127, first lockplate 2127 is pressed abd fixed on the outer wall of the first outer scissor pipe 2121 by the first nut 2129 being arranged on the first screw rod 2128, first scissor pipe 2122 of the lower scissor unit 212 being positioned at bottom is hinged on chassis 11, chassis 11 is provided with two tracks 214Two the first outer scissor pipes 2121 of the lower scissor unit 212 being positioned at bottom are all rotatablely equipped with rail wheel 215, described two rail wheels 215 are arranged on two tracks 214, be positioned at the top lower scissor unit 212 two the first scissor pipes 2122 on be fixed with cylinder installation seat 216, the cylinder body of hoist cylinder 213 is hinged on cylinder installation seat 216, upper scissor unit 211 comprises two second outer scissor pipes 2111, one is arranged in first between two second outer scissor pipes 2111 scissor pipe 2122 and upper scissor axle for connecting scissor pipe in the second outer scissor pipe 2111 and second, the expansion link of hoist cylinder 213 is hinged on the first scissor pipe 2122 of the upper scissor unit 211 being positioned at bottom, the lower end of the second outer scissor pipe 2111, middle part and upper end all offer the upper scissor axle fixing hole keeping supplying the insertion of scissor axle, 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 211, the upper scissor axle hinge being positioned at lowering or hoisting gear 2 centre position upper scissor axle fixing hole in the middle part of a wherein second outer scissor pipe 2111 successively, upper scissor axle fixing hole in the middle part of the endoporus of supermedial second bearing of scissor pipe and another root second outer scissor pipe 2111 in second, in the upper scissor unit 211 of neighbouring two, the upper scissor axle being positioned at lowering or hoisting gear 2 anterior position is successively through the upper scissor axle fixing hole of wherein second outer scissor pipe 2111 lower end of the upper scissor unit 211 being positioned at top, it is positioned at the endoporus of the second bearing of the second scissor pipe upper end of the upper scissor unit 211 of lower section and it is positioned at the upper scissor axle fixing hole of another root second outer scissor pipe 2111 lower end of the upper scissor unit 211 of top, the upper scissor axle being positioned at lowering or hoisting gear 2 rear position is successively through the upper scissor axle fixing hole of wherein second outer scissor pipe 2111 lower end of the upper scissor unit 211 being positioned at lower section, it is positioned at the endoporus of the second bearing of the second scissor pipe upper end of the upper scissor unit 211 of top and it is positioned at the upper scissor axle fixing hole of another root second outer scissor pipe 2111 lower end of the upper scissor unit 211 of top, upper scissor axle and the second bearing are fixed, upper scissor axle is installed with the second screw rod 2114, the two ends of the second screw rod 2114 are arranged with the second lockplate 2116, second lockplate 2116 is pressed abd fixed on the outer wall of the second outer scissor pipe 2111 by the second nut 2115 being arranged on the second screw rod 2114, second scissor pipe of the upper scissor unit 211 being positioned at the top is hinged on bottom workbench 22, two track 214 grooves it are provided with on bottom workbench 22, second outer scissor pipe 2111 of the upper scissor unit 211 being positioned at the top is 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.
Above content described in this specification sheets is only casehistory made for the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification sheets of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (3)
1. the jacking system of a scissor aerial work platform, it is characterized in that: comprise 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.
2. the jacking system 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. the jacking system of scissor aerial work platform according to claim 1, it is characterized in that: the end of 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149400.3A CN104724646A (en) | 2015-03-31 | 2015-03-31 | Shear-fork type lifting device for aerial work platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149400.3A CN104724646A (en) | 2015-03-31 | 2015-03-31 | Shear-fork type lifting device for aerial work platform |
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| Publication Number | Publication Date |
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| CN104724646A true CN104724646A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510149400.3A Pending CN104724646A (en) | 2015-03-31 | 2015-03-31 | Shear-fork type lifting device for aerial work platform |
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| CN105000513A (en) * | 2015-07-23 | 2015-10-28 | 浙江鼎力机械股份有限公司 | Aerial work platform with easily-operated platform locking structure |
| CN105016246A (en) * | 2015-07-23 | 2015-11-04 | 浙江鼎力机械股份有限公司 | Scissors aerial work platform |
| CN105016263A (en) * | 2015-07-23 | 2015-11-04 | 浙江鼎力机械股份有限公司 | Aerial work platform allowing users to get in easily |
| CN111960344A (en) * | 2020-08-24 | 2020-11-20 | 泉州市东艾机械制造有限公司 | Aerial working platform with self-cleaning system |
| CN112299332A (en) * | 2020-11-19 | 2021-02-02 | 济南大学 | Liftable formula electric mobile platform |
| CN114475410A (en) * | 2021-12-31 | 2022-05-13 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Containerized material supply vehicle for large ship |
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| CN114475410A (en) * | 2021-12-31 | 2022-05-13 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Containerized material supply vehicle for large ship |
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