CN105036017A - Crank arm type aerial work platform - Google Patents
Crank arm type aerial work platform Download PDFInfo
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- CN105036017A CN105036017A CN201510511312.3A CN201510511312A CN105036017A CN 105036017 A CN105036017 A CN 105036017A CN 201510511312 A CN201510511312 A CN 201510511312A CN 105036017 A CN105036017 A CN 105036017A
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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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- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a crank arm type aerial work platform. The crank arm type aerial work platform comprises a traveling chassis, a driving device and a lifting device. The lifting device comprises a lifting arm assembly and a working platform. The lifting arm assembly comprises a folding arm assembly, a telescopic arm assembly and a four-bar linkage leveling arm assembly. The working platform is further provided with a horizon sensor. According to the aerial work platform, it can be guaranteed that the work platform is maintained to be balanced in the lifting process all the time. In addition, on the basis of guaranteeing the stability, the lifting height of the work platform is increased, the function of aerial horizontal swinging adjusting of the work platform is also additionally provided, and entire use is more flexible. In addition, the entire driving device of the crank arm type aerial work platform can rotate, the work platform is driven to rotate, and the working radius is increased.
Description
Technical field
The present invention relates to a kind of crank type aerial working 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 crank arm type jack up unit of high-altitude operation platform is by attaching parts, many connecting arms are hinged successively, by cylinder or oil cylinder by connecting arm jack-up, make it be inclined upwardly, thus realize the object of job platform rising, when but existing crank arm type jack up unit rises on the connecting arm or declines, the inclination shaking amplitude of platform is comparatively large, is unfavorable for the safety of operating personal.
Because the lifting of crank type aerial working platform is completely by cylinder or oil cylinder pushing connecting arm, the rise height of job platform is subject to the restriction of connecting arm, the volume of highly higher connecting arm is larger, also higher to the requirement of cylinder or oil cylinder, the High Altitude Stability of job platform is also poorer, therefore how while the hoisting depth improving existing crank type aerial working platform, not increase equipment cost and volume again, can ensure that again the High Altitude Stability of job platform has become those skilled in the art's urgent problem.
In addition, in order to ensure the safety of aloft work, the job platform of existing crank type aerial working platform generally all adopts the fixed form being directly hinged on connecting arm end, make job platform can not carry out the fine setting of position in high-altitude, and the horizontal tilt of job platform adjustment regulates only by oil cylinder or cylinder, degree of regulation is not high, uses dumb.
Existing crank type aerial working platform is in order to ensure stability and the processing safety of aloft work, have employed the connection mode that actuating device and chassis are fixing, such structure makes high-altitude operation platform operating radius greatly reduce, if vehicle location does not stop at the beginning, when later stage job platform rises, position of platform just can not adjust in the horizontal direction, or adjusting range is less, use dumb.
Summary of the invention
In order to solve above-mentioned technical matters, the object of this invention is to provide a kind of crank type aerial working platform, this high-altitude operation platform, can ensure that job platform remains balance in lifting process, and adds the adjustable height of job platform on the basis ensureing stability, too increase the function of job platform overhead horizontal oscillation adjustment, overall use is more flexible, and in addition, the whole actuating device of this device can rotate, thus drive the rotation of job platform, improve operating radius.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of crank type aerial working platform, comprise and travel chassis, actuating device and jacking system, described traveling chassis comprises the fixed cross beam being provided with four wheels, described fixed cross beam upper surface is rotatably connected to toothed disc, the bottom of the upper surface of described toothed disc and the fixed flat planar of actuating device fixes, described fixed cross beam upper surface is also fixed with drive screw by permanent seat, and described drive screw is meshed with toothed disc, described jacking system comprises rising arm assembly and workplatform, described rising arm assembly comprises folding arm assembly, telescopic boom assembly and double leval jib leveling arm assembly, described folding arm assembly comprises the first attaching parts, second attaching parts, 3rd attaching parts, first connecting arm, second connecting arm, 3rd connecting arm, first trammel beam, second trammel beam and lift cylinder, described first attaching parts is fixed on fixed flat planar central authorities, and the first attaching parts becomes channel-shaped, described second attaching parts becomes long groove shape, described 3rd attaching parts also becomes channel-shaped, and centre is provided with shim, described first connecting arm and the equal inner hollow of the second connecting arm and two ends are all fixed with hinged ear, the outer end of described hinged ear is inclined upwardly contraction, the hinged ear at the two ends of described first connecting arm is hinged on the upper end of the first attaching parts and the bottom of the second attaching parts respectively, one end of described second connecting arm is hinged on the upper end of the second attaching parts, the other end is hinged on the upper end of the 3rd attaching parts, and between shim and front side plate, one end of described 3rd connecting arm is hinged on the upper end of the 3rd attaching parts, and between shim and rear quarter panel, after described first trammel beam runs through the first connecting arm, two ends to be hinged on the first attaching parts and the second attaching parts below corresponding hinged ear respectively, and four hinge-point lines of the first connecting arm and the first trammel beam form parallelogram, after described second trammel beam runs through the second connecting arm, two ends to be hinged on the second attaching parts and the 3rd attaching parts below corresponding hinged ear respectively, and four hinge-point lines of the second connecting arm and the second trammel beam form parallelogram, the bottom of described first attaching parts and the middle part of the second attaching parts are hinged with one end of lift cylinder respectively, bottom on described 3rd attaching parts between shim and rear quarter panel is also hinged with one end of lift cylinder, described first connecting arm, the middle part of the second connecting arm and the 3rd connecting arm is all fixed with the first hinged block, the other end of three lift cylinders is hinged on the first corresponding hinged block respectively, described telescopic boom assembly comprises air pressure telescopic link and telescopic boom, one end of described expansion link is fixed in the 3rd connecting arm, the other end and telescopic boom fix, the lateral wall upper end of described telescopic boom is parallel is fixed with the first reinforcing channel-section steel, the lower end of described 3rd connecting arm lateral wall is fixed with the second reinforcing channel-section steel, described first reinforcing channel-section steel and second is reinforced channel-section steel and is connected by conveyer chain near one end of the 3rd attaching parts, the front portion of described telescopic boom is also fixed with push-and-pull cylinder, and the upper front end of telescopic boom extends to form forward hinged dog, described double leval jib leveling arm assembly comprises connecting rod, lower link, leveling cylinders and the second hinged block, one end of described upper connecting rod and lower link is hinged on the top and bottom of the second hinged block side respectively, the other end is hinged on the top and bottom of workplatform respectively, one end of described leveling cylinders and upper rod hinge connection, the other end and the second hinged block are hinged, and position is identical with the position of lower link on the second hinged block, the top and bottom of the opposite side of described second hinged block are hinged with the rod end of hinged dog and push-and-pull cylinder respectively, described workplatform comprises oscillation adjustment part and operator's station, described oscillation adjustment part comprises regulating part main body, horizontally rotate oil cylinder ectosome and horizontally rotate oil cylinder inner core, one end of described regulating part main body is provided with the upper articulated column and lower articulated column that are hinged with upper connecting rod and lower link respectively, the other end of described regulating part main body is provided with the groove of cross section camber, bearing of trend and the horizontal surface of groove are perpendicular, the described oil cylinder ectosome that horizontally rotates is fixed in groove, and horizontally rotate oil cylinder inner core and rotate and be arranged on and horizontally rotate in oil cylinder ectosome, the bottom of described operator's station is fixed with oscillation adjustment frame, oscillation adjustment frame and oscillation adjustment part are fixedly connected, described workplatform is also provided with horizon sensor.
Preferably: the side plate triangularity of described second attaching parts, and the notch bearing of trend of the second attaching parts and horizontal surface perpendicular.
Preferably: the front end of described actuating device is made up of left body and right body two parts, leaves the space of accommodation first connecting arm between left body and right body.
Preferably: described first reinforcing channel-section steel and second is reinforced channel-section steel and is parallel to each other, and the first length of reinforcing channel-section steel is greater than the length of the second reinforcing channel-section steel.
Preferably: the described hinge-point at upper connecting rod two ends and the hinge-point line at lower link two ends form parallelogram.
Preferably: described oscillation adjustment puts up triangle frame-type structure, and one of them bight stretches out, the two ends up and down forming upper connection raised line and lower connection raised line and lower connection raised line fix.
The present invention is provided with trammel beam in the inside of two connecting arms, trammel beam and connecting arm four hinge-points on attaching parts form parallelogram, ensure that connecting arm is when being elevated, the end horizontal position of connecting arm can not run-off the straight, the present invention simultaneously have employed telescopic boom on the 3rd connecting arm, further increase the hoisting depth of workplatform, push-and-pull cylinder and double leval jib leveling arm is provided with between telescopic boom and workplatform, by the horizontal sensor signals of workplatform, push-and-pull cylinder and double leval jib leveling arm can in the processes of workbench lifting, the level attitude of workplatform is adjusted in real time, further increase the stability of workbench lifting.
In addition, oscillation adjustment part is provided with between workplatform of the present invention and double leval jib leveling arm, make workplatform also can carry out the fine setting of position in high-altitude, use more flexible, actuating device of the present invention is rotatably connected on by toothed disc and travels on chassis, and by screw drive, achieves the rotation of actuating device, thus drive the rotation of workplatform, further increase operating radius.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Facad structure schematic diagram of the present invention.
Fig. 3, Fig. 4 are the structural representations of jacking system of the present invention.
Fig. 5 is the structural representation of folding arm assembly of the present invention.
Fig. 6, Fig. 7 are the structural representations of telescopic boom assembly of the present invention.
Fig. 8 is workplatform leveling structural representation of the present invention.
Fig. 9 is the structural representation of double leval jib leveling arm assembly of the present invention.
Figure 10 is the structural representation of workplatform of the present invention.
Figure 11 is the structural representation of oscillation adjustment part of the present invention.
Figure 12, Figure 13 are the structural representations that platform of the present invention rotates.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
A kind of crank type aerial working platform as Figure 1-Figure 13, comprise and travel chassis 1, actuating device 2 and jacking system 3, described traveling chassis 1 comprises the fixed cross beam 11 being provided with four wheels, described fixed cross beam 11 upper surface is rotatably connected to toothed disc 24, the bottom of the upper surface of described toothed disc 24 and the fixed flat planar 21 of actuating device 2 fixes, described fixed cross beam 11 upper surface is also fixed with drive screw 22 by permanent seat 23, and described drive screw 22 is meshed with toothed disc 24, described jacking system 3 comprises rising arm assembly and workplatform 34, described rising arm assembly comprises folding arm assembly 31, telescopic boom assembly 32 and double leval jib leveling arm assembly 33, described folding arm assembly 31 comprises the first attaching parts 311, second attaching parts 312, 3rd attaching parts 313, first connecting arm 314, second connecting arm 315, 3rd connecting arm 316, first trammel beam 3110, second trammel beam 3111 and lift cylinder 317, described first attaching parts 311 is fixed on fixed flat planar 21 central authorities, and the first attaching parts 311 one-tenth channel-shaped, described second attaching parts 312 one-tenth long groove shapes, described 3rd attaching parts 313 also becomes channel-shaped, and centre is provided with shim, described first connecting arm 314 and the second connecting arm 315 all inner hollow and two ends are all fixed with hinged ear 319, the outer end of described hinged ear 319 is inclined upwardly contraction, the hinged ear 319 at the two ends of described first connecting arm 314 is hinged on the upper end of the first attaching parts 311 and the bottom of the second attaching parts 312 respectively, one end of described second connecting arm 315 is hinged on the upper end of the second attaching parts 312, the other end is hinged on the upper end of the 3rd attaching parts 312, and between shim and front side plate, one end of described 3rd connecting arm 316 is hinged on the upper end of the 3rd attaching parts 312, and between shim and rear quarter panel, described first trammel beam 3110 runs through two ends after the first connecting arm 314 and to be hinged on the first attaching parts 311 and the second attaching parts 312 below corresponding hinged ear 319 respectively, and four hinge-point lines of the first connecting arm 314 and the first trammel beam 3110 form parallelogram, described second trammel beam 3111 runs through two ends after the second connecting arm 315 and to be hinged on the second attaching parts 312 and the 3rd attaching parts 313 below corresponding hinged ear 319 respectively, and four hinge-point lines of the second connecting arm 315 and the second trammel beam 3111 form parallelogram, the bottom of described first attaching parts 311 and the middle part of the second attaching parts 312 are hinged with one end of lift cylinder 317 respectively, bottom on described 3rd attaching parts 313 between shim and rear quarter panel is also hinged with one end of lift cylinder 317, described first connecting arm 314, the middle part of the second connecting arm 315 and the 3rd connecting arm is all fixed with the first hinged block 318, the other end of three lift cylinders 317 is hinged on the first corresponding hinged block 318 respectively, described telescopic boom assembly 32 comprises air pressure telescopic link 321 and telescopic boom 322, one end of described expansion link 321 is fixed in the 3rd connecting arm 316, the other end and telescopic boom 322 fix, the lateral wall upper end of described telescopic boom 322 is parallel is fixed with the first reinforcing channel-section steel 323, the lower end of described 3rd connecting arm lateral wall is fixed with the second reinforcing channel-section steel 325, described first reinforcing channel-section steel 323 and second is reinforced channel-section steel 325 and is connected by conveyer chain 324 near one end of the 3rd attaching parts 313, the front portion of described telescopic boom 322 is also fixed with push-and-pull cylinder 326, and the upper front end of telescopic boom 322 extends to form forward hinged dog 327, described double leval jib leveling arm assembly 33 comprises connecting rod 331, lower link 332, leveling cylinders 333 and the second hinged block 334, one end of described upper connecting rod 331 and lower link 332 is hinged on the top and bottom of the second hinged block 334 side respectively, the other end is hinged on the top and bottom of workplatform 34 respectively, one end and the upper connecting rod 331 of described leveling cylinders 333 are hinged, the other end and the second hinged block 334 are hinged, and position is identical with the position of lower link 332 on the second hinged block 334, the top and bottom of the opposite side of described second hinged block 334 are hinged with the rod end of hinged dog 327 and push-and-pull cylinder 326 respectively, described workplatform 34 comprises oscillation adjustment part 341 and operator's station 342, described oscillation adjustment part 341 comprises regulating part main body 3413, horizontally rotate oil cylinder ectosome 3414 and horizontally rotate oil cylinder inner core 3415, one end of described regulating part main body 3413 is provided with the upper articulated column 3411 and lower articulated column 3412 that are hinged with upper connecting rod 331 and lower link 332 respectively, the other end of described regulating part main body 3413 is provided with the groove of cross section camber, bearing of trend and the horizontal surface of groove are perpendicular, the described oil cylinder ectosome 3414 that horizontally rotates is fixed in groove, and horizontally rotate oil cylinder inner core 3415 and rotate and be arranged on and horizontally rotate in oil cylinder ectosome 3414, the bottom of described operator's station 342 is fixed with oscillation adjustment frame, oscillation adjustment frame and oscillation adjustment part 341 are fixedly connected, described workplatform 34 is also provided with horizon sensor.
The side plate triangularity of described second attaching parts 312, and the notch bearing of trend of the second attaching parts 312 and horizontal surface perpendicular.The front end of described actuating device 2 is made up of left body and right body two parts, leaves the space of accommodation first connecting arm between left body and right body.Described first reinforcing channel-section steel 323 and the second reinforcing channel-section steel 325 are parallel to each other, and the first length of reinforcing channel-section steel 323 is greater than the length of the second reinforcing channel-section steel 325.The hinge-point at described upper connecting rod 331 two ends and the hinge-point line at lower link 332 two ends form parallelogram.Described oscillation adjustment puts up triangle frame-type structure, and one of them bight stretches out, formation is upper connects raised line 3421 and lower connection raised line 3422), described upper connection raised line 3421 and lower connection raised line 3422) fix with the two ends up and down horizontally rotating oil cylinder inner core 3415 respectively.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a crank type aerial working platform, it is characterized in that: comprise and travel chassis (1), actuating device (2) and jacking system (3), described traveling chassis (1) comprises the fixed cross beam (11) being provided with four wheels, described fixed cross beam (11) upper surface is rotatably connected to toothed disc (24), the bottom of the upper surface of described toothed disc (24) and the fixed flat planar (21) of actuating device (2) fixes, described fixed cross beam (11) upper surface is also fixed with drive screw (22) by permanent seat (23), described drive screw (22) is meshed with toothed disc (24), described jacking system (3) comprises rising arm assembly and workplatform (34), described rising arm assembly comprises folding arm assembly (31), telescopic boom assembly (32) and double leval jib leveling arm assembly (33), described folding arm assembly (31) comprises the first attaching parts (311), second attaching parts (312), 3rd attaching parts (313), first connecting arm (314), second connecting arm (315), 3rd connecting arm (316), first trammel beam (3110), second trammel beam (3111) and lift cylinder (317), described first attaching parts (311) is fixed on fixed flat planar (21) central authorities, and the first attaching parts (311) becomes channel-shaped, described second attaching parts (312) becomes long groove shape, described 3rd attaching parts (313) also becomes channel-shaped, and centre is provided with shim, described first connecting arm (314) and the second connecting arm (315) all inner hollow and two ends are all fixed with hinged ear (319), the outer end of described hinged ear (319) is inclined upwardly contraction, the hinged ear (319) at the two ends of described first connecting arm (314) is hinged on the upper end of the first attaching parts (311) and the bottom of the second attaching parts (312) respectively, one end of described second connecting arm (315) is hinged on the upper end of the second attaching parts (312), the other end is hinged on the upper end of the 3rd attaching parts (312), and between shim and front side plate, one end of described 3rd connecting arm (316) is hinged on the upper end of the 3rd attaching parts (312), and between shim and rear quarter panel, described first trammel beam (3110) is run through the first connecting arm (314) and is hinged on the first attaching parts (311) and upper corresponding hinged ear (319) below of the second attaching parts (312) respectively in two ends afterwards, and four hinge-point lines of the first connecting arm (314) and the first trammel beam (3110) form parallelogram, described second trammel beam (3111) is run through the second connecting arm (315) and is hinged on the second attaching parts (312) and upper corresponding hinged ear (319) below of the 3rd attaching parts (313) respectively in two ends afterwards, and four hinge-point lines of the second connecting arm (315) and the second trammel beam (3111) form parallelogram, the bottom of described first attaching parts (311) and the middle part of the second attaching parts (312) are hinged with one end of lift cylinder (317) respectively, the upper bottom between shim and rear quarter panel of described 3rd attaching parts (313) is also hinged with one end of lift cylinder (317), described first connecting arm (314), the middle part of the second connecting arm (315) and the 3rd connecting arm is all fixed with the first hinged block (318), the other end of three lift cylinders (317) is hinged on corresponding the first hinged block (318) respectively, described telescopic boom assembly (32) comprises air pressure telescopic link (321) and telescopic boom (322), one end of described expansion link (321) is fixed in the 3rd connecting arm (316), the other end and telescopic boom (322) fix, the lateral wall upper end of described telescopic boom (322) is parallel is fixed with the first reinforcing channel-section steel (323), the lower end of described 3rd connecting arm lateral wall is fixed with the second reinforcing channel-section steel (325), described first one end reinforcing channel-section steel (323) and close 3rd attaching parts (313) of the second reinforcing channel-section steel (325) is connected by conveyer chain (324), the front portion of described telescopic boom (322) is also fixed with push-and-pull cylinder (326), and the upper front end of telescopic boom (322) extends to form forward hinged dog (327), described double leval jib leveling arm assembly (33) comprises connecting rod (331), lower link (332), leveling cylinders (333) and the second hinged block (334), one end of described upper connecting rod (331) and lower link (332) is hinged on the top and bottom of the second hinged block (334) side respectively, the other end is hinged on the top and bottom of workplatform (34) respectively, one end and the upper connecting rod (331) of described leveling cylinders (333) are hinged, the other end and the second hinged block (334) are hinged, and position is identical with the position of lower link (332) on the second hinged block (334), the top and bottom of the opposite side of described second hinged block (334) are hinged with the rod end of hinged dog (327) and push-and-pull cylinder (326) respectively, described workplatform (34) comprises oscillation adjustment part (341) and operator's station (342), described oscillation adjustment part (341) comprises regulating part main body (3413), horizontally rotate oil cylinder ectosome (3414) and horizontally rotate oil cylinder inner core (3415), one end of described regulating part main body (3413) is provided with the upper articulated column (3411) and lower articulated column (3412) that are hinged with upper connecting rod (331) and lower link (332) respectively, the other end of described regulating part main body (3413) is provided with the groove of cross section camber, bearing of trend and the horizontal surface of groove are perpendicular, the described oil cylinder ectosome (3414) that horizontally rotates is fixed in groove, and horizontally rotate oil cylinder inner core (3415) and rotate and be arranged on and horizontally rotate in oil cylinder ectosome (3414), the bottom of described operator's station (342) is fixed with oscillation adjustment frame, oscillation adjustment frame and oscillation adjustment part (341) are fixedly connected, (34) are also provided with horizon sensor to described workplatform.
2. a kind of crank type aerial working platform according to claim 1, is characterized in that: the side plate triangularity of described second attaching parts (312), and the notch bearing of trend of the second attaching parts (312) and horizontal surface perpendicular.
3. a kind of crank type aerial working platform according to claim 1, is characterized in that: the front end of described actuating device (2) is made up of left body and right body two parts, leaves the space of accommodation first connecting arm between left body and right body.
4. a kind of crank type aerial working platform according to claim 1, it is characterized in that: described first reinforcing channel-section steel (323) and second is reinforced channel-section steel (325) and is parallel to each other, and the first length of reinforcing channel-section steel (323) is greater than the length of the second reinforcing channel-section steel (325).
5. a kind of crank type aerial working platform according to claim 1, is characterized in that: the described hinge-point at upper connecting rod (331) two ends and the hinge-point line at lower link (332) two ends form parallelogram.
6. a kind of crank type aerial working platform according to claim 1, it is characterized in that: described oscillation adjustment puts up triangle frame-type structure, and one of them bight stretches out, formation connects raised line (3421) and lower connection raised line (3422), described upper connection raised line (3421) and lower connection raised line (3422) fix with the two ends up and down horizontally rotating oil cylinder inner core (3415) respectively.
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| CN201510511312.3A CN105036017A (en) | 2015-08-19 | 2015-08-19 | Crank arm type aerial work platform |
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| CN201510511312.3A CN105036017A (en) | 2015-08-19 | 2015-08-19 | Crank arm type aerial work platform |
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| CN104908841A (en) * | 2015-06-16 | 2015-09-16 | 浙江中烟工业有限责任公司 | Folding multifunctional patrol platform car for cloud computer house |
| CN106586918A (en) * | 2016-11-11 | 2017-04-26 | 徐州海伦哲专用车辆股份有限公司 | Folding-jib overhead working truck control method capable of realizing automatic amplitude limiting |
| CN106629525A (en) * | 2016-12-20 | 2017-05-10 | 徐州海伦哲专用车辆股份有限公司 | Rotation device capable of automatically limiting rotation angle of working platform, and control method |
| CN106698278A (en) * | 2015-11-17 | 2017-05-24 | 深圳市山尼安防科技有限公司 | Swing arm type balancing and lifting device |
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