CN104591052B - Oil electric mixed dynamic walking aerial work platform - Google Patents

Oil electric mixed dynamic walking aerial work platform Download PDF

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Publication number
CN104591052B
CN104591052B CN201510035126.7A CN201510035126A CN104591052B CN 104591052 B CN104591052 B CN 104591052B CN 201510035126 A CN201510035126 A CN 201510035126A CN 104591052 B CN104591052 B CN 104591052B
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CN
China
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arm
underarm
hydraulic cylinder
hinged
control box
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CN201510035126.7A
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Chinese (zh)
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CN104591052A (en
Inventor
陈从广
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河南亿翔专用汽车有限公司
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Publication of CN104591052A publication Critical patent/CN104591052A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting 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
    • B66F11/044Working platforms suspended from booms
    • B66F11/046Working platforms suspended from booms of the telescoping type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F2700/00Lifting apparatus
    • B66F2700/09Other lifting devices

Abstract

The present invention relates to a kind of oil electric mixed dynamic walking aerial work platforms;Including vehicle frame, the rotary working platform being located on vehicle frame and the fixed arm being located on rotary working platform, fixed arm is equipped with elevating mechanism, the elevating mechanism includes underarm, upper underarm connector, upper arm and forearm, one end of underarm is hinged with fixed arm, the other end of underarm is hinged by underarm connecting pin and one end of upper underarm connector, the other end of upper underarm connector is hinged by one end of upper arm connecting pin and upper arm, telescopic arm is set in the upper arm, upper telescopic arm is hinged by one end of pin and forearm, the other end of forearm is hinged by pin and working bucket;With reasonable in design, be readily transported, clean environment firendly reduces noise pollution, save production cost and can increase operation span and height and it is energy saving the advantages of.

Description

Oil electric mixed dynamic walking aerial work platform

Technical field

The invention belongs to technical field of engineering machinery, and in particular to a kind of oil electric mixed dynamic walking working at height is put down Platform.

Background technology

Aerial work platform serves primarily in power communication wiring maintenance, roadway lighting system safeguards installation, gardens municipal administration The industry for the relatively low working depths such as maintenance, advertisement are installed, outdoor is kept a public place clean.At present, domestic aerial work platform maximum operation height Generally at 8~35 meters, 35 meters or more of aerial work platform relies on import substantially.Aerial work platform is broadly divided into following several Kind:1st, crank type aerial working platform:The main lifting that work jibs are realized using hydraulic system and electromagnetic valve controlling system, is had Telescopic arm, can overhang operation, and may span across certain obstacle or lifted at one can carry out multiple spot operation, can carry out 360 ° of rotations, Platform loading capacity is big, and certain equipment can be simultaneously carried for two people or more people operation simultaneously;2nd, scissor-type lifting platform:Its advantage It is that mobility is good, transfer place is convenient, aesthetic in appearance, suitable for indoor and outdoor operation and storage;3rd, straight arm type aerial work platform: Its present technology and equipment relies primarily on external import, and the main straight-arm made using hydraulic system and special steel material is stretched Operation carries out overhanging operation using full telescopic arm, the advantage is that vehicle body is small, and conveniently moving is quick, and loading capacity is big, operation Height higher, operating radius is compared with crank type aerial working platform also bigger.All there is skills for three of the above aerial work platform Art is complicated, and production cost is high, it is expensive the shortcomings that, and its energy source is mainly diesel oil or storage battery power supply, form It is single, it is impossible to meet the needs of certain special occasions.

Invention content

The purpose of the present invention is to overcome the defects in the prior art, and offer is a kind of reasonable in design, can effectively carry The low oil electric mixed dynamic walking aerial work platform of the height and span and production cost of high job platform.

The object of the present invention is achieved like this:Including vehicle frame, the rotary working platform being located on vehicle frame and it is located at rotation Fixed arm on workbench, fixed arm be equipped with elevating mechanism, the elevating mechanism include underarm, upper underarm connector, Upper arm and forearm, one end and the fixed arm of underarm are hinged, and the other end of underarm passes through underarm connecting pin and upper underarm connector One end be hinged, the other end of upper underarm connector is hinged by one end of upper arm connecting pin and upper arm, the upper arm inner sleeve Equipped with upper telescopic arm, the base end of Innerscoping cylinder is fixed on the inner wall of upper arm, and the tailpiece of the piston rod of Innerscoping cylinder is fixed on On the inner wall of upper telescopic arm, the outer surface side of upper telescopic arm is equipped with roller groove, is located at the idler wheel and idler wheel on upper arm side top The corresponding setting of slot, upper telescopic arm are hinged by one end of pin and forearm, and the other end of forearm is cut with scissors by pin and working bucket It connects;On the centre position of the underarm between fixed arm be equipped with lower arm hydraulic cylinder, the hydraulic cylinder base end of lower arm hydraulic cylinder with Fixed arm is fixedly connected, and the tailpiece of the piston rod of lower arm hydraulic cylinder is connected with the centre position of underarm, upper underarm connector and fixation Lower arm rod is equipped between arm, lower arm rod is arranged in parallel with underarm, and one end of lower arm rod is connected by pin with upper underarm connector, The other end of lower arm rod is hinged with fixed arm, and upper arm hydraulic cylinder, upper arm hydraulic pressure are equipped between the upper underarm connector and upper arm The hydraulic cylinder base end of cylinder is hinged by upper arm hydraulic cylinder pin and upper underarm connector, the tailpiece of the piston rod of upper arm hydraulic cylinder with it is upper Arm is hinged, and the first working bucket is additionally provided between upper underarm connector and upper arm and adjusts hydraulic cylinder, the first working bucket adjusts hydraulic cylinder Hydraulic cylinder base end by upper arm adjust pin be hinged with upper underarm connector, the first working bucket adjusting hydraulic cylinder piston rod End is hinged with upper arm, small arm hydraulic cylinder is equipped between the telescopic arm and forearm, the hydraulic cylinder base end of small arm hydraulic cylinder is with stretching Contracting arm is hinged, and tailpiece of the piston rod is hinged with forearm, and the second working bucket is additionally provided between the telescopic arm and forearm and adjusts hydraulic cylinder, Second working bucket adjusts hydraulic cylinder and small arm hydraulic cylinder heteropleural and sets, the second working bucket adjust the hydraulic cylinder base end of hydraulic cylinder with Telescopic arm is hinged, and tailpiece of the piston rod is hinged with forearm;The lower part of the vehicle frame is equipped with engine, is connected in engine by threeway Have a diesel driven gear pump and electric drive gear pump, diesel driven gear pump and electric drive gear pump with hydraulic oil pipe phase It connects, is respectively equipped with spider supporting leg on four angles of vehicle frame, spider supporting leg passes through Driven by Hydraulic Cylinder.

The fixed arm is equipped with speed reducer, hydraulic electronic transferring box and lower control box.

The working bucket is equipped with upper control box.

On the underarm upper arm supporting rack is equipped with close to one end of fixed arm.

The front end of the fixed arm is equipped with driver's seat, steering wheel and front protection cover successively, and the rear end of fixed arm is equipped with supporting leg Control box.

The lower arm rod is located at the homonymy of lower arm hydraulic cylinder, and is arranged in parallel with underarm, fixed arm, lower arm rod, up and down Arm connector and underarm form parallelogram.

Telescopic arm, two small armed levers on forearm and the working bucket forms parallelogram.

Hydraulic tube drag chain is connected on the idler wheel.

The advantage of the invention is that:

1st, using underarm, upper arm and forearm three-level folding mode so that the present invention occupies little space, convenient transportation, operation When radius can be extended to 9.5 meters, it is all bigger than similar product highly up to 16.5 meters;

2nd, upper underarm connector is provided between upper and lower arms, underarm connector is arranged to triangle on this, effectively solves Determined working at height when swing and the problem of vibration, enhance the stability of aerial work platform;

3rd, spider supporting leg is respectively provided on four angles of vehicle frame, spider supporting leg uses Driven by Hydraulic Cylinder, increases height The bearing area of working platform bottom further ensures stability and the safety of aerial work platform;

4th, engine is connect by threeway with diesel driven gear pump and electric drive gear pump realizes double acting power drive, makees Can power flexibly be selected according to environment during industry, in the normal mode that electric power may be used and be operated alone of power supply so that It is more cleaned during operation, environmental protection, and noise pollution can be reduced;It is independent that diesel engine can be used in the case where not having electric drive The mode of driving has the advantages that applied widely, energy saving;

5th, the present invention makes elevating mechanism using import H-type special steel material so that flexibility is more preferable, and bearing capacity is stronger, peace Overall coefficient higher, internal hydraulic pressure oil cylinder and oil pipe oil circuit use Germany's DAS board import seal assemblies, it can be achieved that upper arm it is steady Parallel flexible and steady elevating function;

6th, the present invention can save a large amount of section bars, so as to save production cost, with similar product phase using three-level folding mode Than cheap.

7th, the rotary working platform set on vehicle frame of the present invention can realize 360 ° of rotations on vehicle frame.

In conclusion the present invention have it is reasonable in design, be readily transported, clean environment firendly, reduce noise pollution, save life Production cost and can increase operation span and height and it is energy saving the advantages of.

Description of the drawings

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is upper arm of the present invention and upper telescopic arm connection diagram.

Fig. 3 is circuit control schematic diagram of the present invention.

Specific embodiment

In order to which the technical features, objects and effects to invention are more clearly understood, now control description of the drawings is of the invention Specific embodiment, in the various figures identical label represent identical component.To make simplified form, in each figure only schematically Ground indicates part related to the present invention, they do not represent its practical structures as product.

As shown in Figure 1, 2, 3, it is of the invention for oil electric mixed dynamic walking aerial work platform, the aerial work platform packet Vehicle frame 1 is included, the rotary working platform 2 being located on vehicle frame 1 and the fixed arm 3 being located on rotary working platform 2 are set on fixed arm 3 There is elevating mechanism, the elevating mechanism includes underarm 4, upper underarm connector 7, upper arm 5 and forearm 6, and one end of underarm 4 is with consolidating Fixed arm 3 is hinged, and the other end of underarm 4 is hinged by underarm connecting pin 12 and one end of upper underarm connector 7, upper underarm connection The other end of part 7 is hinged by upper arm connecting pin 13 with upper 5 one end, and telescopic arm 18 is set in the upper arm 5, built-in The base end of hydraulic cylinder 36 is fixed on the inner wall of upper arm 5, and the tailpiece of the piston rod of Innerscoping cylinder 36 is fixed on telescopic arm 18 On inner wall, the outer surface side of upper telescopic arm 18 is equipped with roller groove, and the idler wheel 19 for being located at 5 side top of upper arm is opposite with roller groove It should set, upper telescopic arm 18 is hinged by one end of pin and forearm 6, and the other end of forearm 6 is cut with scissors by pin and working bucket 8 It connects;Lower arm hydraulic cylinder 9, the hydraulic cylinder base of lower arm hydraulic cylinder 9 are equipped on the centre position of the underarm 4 between fixed arm 3 End is fixedly connected with fixed arm 3, and the tailpiece of the piston rod of lower arm hydraulic cylinder 9 is connected with the centre position of underarm 4, upper underarm connector Lower arm rod 10 is equipped between 7 and fixed arm 3, lower arm rod 10 is arranged in parallel with underarm 4, one end of lower arm rod 10 by pin 11 and Upper underarm connector 7 is connected, and the other end and fixed arm 3 of lower arm rod 10 are hinged, between the upper underarm connector 7 and upper arm 5 Equipped with upper arm hydraulic cylinder 14, the hydraulic cylinder base end of upper arm hydraulic cylinder 14 passes through upper arm hydraulic cylinder pin 15 and upper underarm connector 7 is hinged, and the tailpiece of the piston rod of upper arm hydraulic cylinder 14 is hinged with upper arm 5, and the first work is additionally provided between upper underarm connector 7 and upper arm 5 Make bucket adjust hydraulic cylinder 32, the first working bucket adjust hydraulic cylinder 32 hydraulic cylinder base end by upper arm adjust pin 16 with up and down Arm connector 7 is hinged, and the first working bucket adjusts the tailpiece of the piston rod of hydraulic cylinder 32 and upper arm 5 is hinged, the telescopic arm 18 and forearm 6 Between be equipped with small arm hydraulic cylinder 17, the hydraulic cylinder base end of small arm hydraulic cylinder 17 is hinged with telescopic arm 18, tailpiece of the piston rod with it is small Arm 6 is hinged, and the second working bucket is additionally provided between the telescopic arm 18 and forearm 6 and adjusts hydraulic cylinder 35, the second working bucket adjusts liquid Cylinder pressure 35 is set with small 17 heteropleural of arm hydraulic cylinder, and the hydraulic cylinder base end that the second working bucket adjusts hydraulic cylinder 35 is cut with scissors with telescopic arm 18 It connects, tailpiece of the piston rod is hinged with forearm 6;The lower part of the vehicle frame 1 is equipped with engine 21, is connected in engine 21 by threeway Diesel driven gear pump and electric drive gear pump, diesel driven gear pump and electric drive gear pump are connected with hydraulic oil pipe It is logical, spider supporting leg 22 is respectively equipped on four angles of vehicle frame 1, spider supporting leg 22 passes through Driven by Hydraulic Cylinder.

The fixed arm 3 is equipped with speed reducer 24, hydraulic electronic transferring box 25 and lower control box 26.

The working bucket 8 is equipped with upper control box 27.

On the underarm 4 upper arm supporting rack 28 is equipped with close to one end of fixed arm 3.

The front end of the fixed arm 3 is equipped with driver's seat 29, steering wheel 30 and front protection cover 31, the rear end of fixed arm 3 successively Equipped with supporting leg control box 23.

The lower arm rod 10 is located at the homonymy of lower arm hydraulic cylinder 9, and is arranged in parallel with underarm 4, fixed arm 3, lower arm rod 10th, upper underarm connector 7 and underarm 4 form parallelogram.

Telescopic arm 18, two small armed levers on forearm 6 and the working bucket 8 forms parallelogram.

Hydraulic tube drag chain 20 is connected on the idler wheel 19.

Underarm 4, upper arm 5 and forearm 6 in the present invention use three-level folding mode, and quadrangle filleted section folds postbrachium Long to be less than 5m, whole length size is small, is readily transported, the upper telescopic arm 18 of setting in upper arm 5, and for the stroke that stretches up to 2.7m, upper arm 5 is complete Operating radius maximum is stretched out up to 9.5m;Full arm stretches out maximum operation height up to 16.5m entirely.Luffing and fold mechanism are using single Gang Qianzhi mechanisms, the hinge joint on hydraulic cylinder are placed in below arm support, make power transmission relatively reliable.On four angles of vehicle frame 1 respectively Equipped with spider supporting leg 22, spider supporting leg 22 increases operation amplitude, operation stability is stronger by Driven by Hydraulic Cylinder.

The present invention, equipped with limit switch, limits the angle of upper arm 5, when upper arm 5 and the angle of horizontal plane are on upper arm 5 It at 70 °, switchs under the action of collision block, the alarm lamp on the control box panel of lower part is bright, buzzer warning, while working connection Overflow, luffing action stop, and when the operating angle of upper arm 5 is less than 70 ° of degree according to safe directional control, luffing action just can be into Row.

In order to facilitate the operation, the present invention is respectively divided into down respectively equipped with a set of control box on fixed arm 3 and in working bucket 8 Control box 26 and upper control box 27, the power switch closed on the electric switch and electrohydraulic proportional control valve on lower control box 26 are i.e. red After color indicator light is bright, then that selecting switch pulled out " lower part control " i.e. green indicator light is bright, pulls at this time on lower control box 26 Handle, just can realize required action, and personnel operate motionless in working bucket 8, when elevating mechanism reaches certain position, need work When making personnel's manipulation in bucket 8, selecting switch is just pulled out " top control " pattern by lower part operator, at this time on upper control box 27 Green indicator light is bright, and the green indicator light on lower control box 26 goes out, and upper operating person can control various actions.

Lower control box 26, upper control box 27 and the supporting leg control box 23 of the present invention is interlocked in hydraulic system, i.e., After closing the electric switch on lower control box 26, then selecting switch pulled out into " equipment control ", pull lower control box 26 at this time On handle, just can realize required various actions, and spider supporting leg 22 can be motionless.

The present invention circuit control principle be:When the two-position switch S100 on control panel is rotated to diesel engine position, KAD coils obtain electric, startup diesel engine;When the two-position switch S100 on control panel is rotated to motor position, KAE coils obtain Electricity, system electrification;When diesel engine is as power source, two-position switch S101 is rotated to position is started, and diesel engine circuit connects at this time It is logical;When two-position switch S101 is rotated to closed position, diesel engine circuit is closed at this time;When selecting motor as power source When, two-position switch S101 is rotated to position is started, and KA2 coils obtain electric, normally opened contact closure, and KM1 obtains electric, normally opened contact closure, Pump startup;When two-position switch S101 is rotated to closed position, KA1 coils obtain electric, normally-closed contact disconnection, pump closing, and equipment is stopped Only run;When diesel engine is as power source, accumulator is as control loop power supply, when motor is as power source, system The power supply of 220V after the power is turned on, by power conversion module, is converted into power supply of the 24V direct currents as control loop, KA3 by engineering Obtain electric, normally opened contact closure, normally-closed contact disconnection so that diesel engine and motor cannot work at the same time.

12 horsepower diesel engine system of use of the invention is, it can be achieved that aerial work platform is walked certainly, in engine Diesel driven gear pump 33 and electric drive gear pump 34 be installed on 21, diesel driven gear pump and electric drive gear pump with Hydraulic oil pipe is connected, and engine 21 is exactly a diesel engine, and power is provided for vehicle traveling and diesel driven gear pump 33, this The electric drive of invention can only be completed by electric drive gear pump, the external 380 volts of power supplys of electric drive gear pump, it can be achieved that Electric drive operation completes the operations such as upgrading, flexible, realizes the noiseless operation of clean environment firendly.

It is to be noted that herein, " first ", " second " etc. are only used for mutual differentiation rather than represent their weight Want degree and sequence etc..In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of the instructions such as " outer " or position close It is based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplifying description rather than instruction Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore be not understood that For limitation of the present invention.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, be integrally connected or removable Unload connection;It can also be the connection inside two elements;It can be directly connected, can also be indirectly connected by intermediary, For the ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains as the case may be Justice.

It should be appreciated that above-described specific embodiment is only used for explaining the present invention, it is not intended to limit the present invention, by The spiritual changes and variations that derived from of the present invention are still in the protection scope of this invention.

Claims (6)

1. a kind of oil electric mixed dynamic walking aerial work platform, including vehicle frame (1), the rotary work being located on vehicle frame (1) Platform (2) and the fixed arm (3) being located on rotary working platform (2), it is characterised in that:Fixed arm (3) is equipped with elevating mechanism, The elevating mechanism includes underarm (4), upper underarm connector (7), upper arm (5) and forearm (6), and one end of underarm (4) is with consolidating Fixed arm (3) is hinged, and the other end of underarm (4) is hinged by underarm connecting pin (12) and one end of upper underarm connector (7), on The other end of underarm connector (7) is hinged by upper arm connecting pin (13) and one end of upper arm (5), upper arm (5) inner sleeve Equipped with upper telescopic arm (18), the base end of Innerscoping cylinder (36) is fixed on the inner wall of upper arm (5), Innerscoping cylinder (36) Tailpiece of the piston rod is fixed on the inner wall of telescopic arm (18), and the outer surface side of upper telescopic arm (18) is equipped with roller groove, is located at Idler wheel (19) setting corresponding with roller groove on arm (5) side top, one end that upper telescopic arm (18) passes through pin and forearm (6) Hinged, the other end of forearm (6) is hinged by pin and working bucket (8);On the centre position of the underarm (4) with fixed arm (3) lower arm hydraulic cylinder (9) is equipped between, the hydraulic cylinder base end of lower arm hydraulic cylinder (9) is fixedly connected with fixed arm (3), underarm The tailpiece of the piston rod of hydraulic cylinder (9) is connected with the centre position of underarm (4), is set between upper underarm connector (7) and fixed arm (3) There is lower arm rod (10), lower arm rod (10) is arranged in parallel with underarm (4), and one end of lower arm rod (10) passes through pin (11) and upper underarm Connector (7) is connected, and the other end and fixed arm (3) of lower arm rod (10) are hinged, the upper underarm connector (7) and upper arm (5) Between be equipped with upper arm hydraulic cylinder (14), the hydraulic cylinder base end of upper arm hydraulic cylinder (14) by upper arm hydraulic cylinder pin (15) with it is upper Underarm connector (7) is hinged, and the tailpiece of the piston rod and upper arm (5) of upper arm hydraulic cylinder (14) are hinged, upper underarm connector (7) and upper arm (5) the first working bucket is additionally provided between and adjusts hydraulic cylinder (32), the first working bucket adjusts the hydraulic cylinder base end of hydraulic cylinder (32) Pin (16) is adjusted by upper arm to be hinged with upper underarm connector (7), the first working bucket adjusts the tailpiece of the piston rod of hydraulic cylinder (32) It is hinged with upper arm (5), small arm hydraulic cylinder (17) is equipped between the telescopic arm (18) and forearm (6), small arm hydraulic cylinder (17) Hydraulic cylinder base end is hinged with telescopic arm (18), and tailpiece of the piston rod is hinged with forearm (6), the telescopic arm (18) and forearm (6) Between be additionally provided with the second working bucket adjust hydraulic cylinder (35), the second working bucket adjust hydraulic cylinder (35) and small arm hydraulic cylinder (17) it is different Side is set, and hydraulic cylinder base end and the telescopic arm (18) that the second working bucket adjusts hydraulic cylinder (35) are hinged, tailpiece of the piston rod with it is small Arm (6) is hinged;The lower part of the vehicle frame (1) is equipped with engine (21), and engine (21) is interior to be connected with diesel driven by threeway Gear pump and electric drive gear pump, diesel driven gear pump and electric drive gear pump are connected with hydraulic oil pipe, vehicle frame (1) spider supporting leg (22) is respectively equipped on four angles, spider supporting leg (22) passes through Driven by Hydraulic Cylinder;The fixed arm (3) It is equipped with speed reducer (24), hydraulic electronic transferring box (25) and lower control box (26);The working bucket (8) is equipped with upper operation Case (27);Equipped with limit switch, the angle of limitation upper arm (5), when the angle of upper arm (5) and horizontal plane is 70 ° on upper arm (5) When, limit switch is under the action of collision block, and the alarm lamp on lower part control box (26) panel is bright, buzzer warning, simultaneously Working connection overflow, luffing action stop, and when the operating angle of upper arm (5) is less than 70 ° of degree according to safe directional control, are become Width acts;The power switch i.e. red indicating light closed on the electric switch and electrohydraulic proportional control valve on lower control box (26) is bright Afterwards, then by selecting switch it is bright to pull out " lower part control " i.e. green indicator light, pulls the handle on lower control box (26) at this time, just can Realize needed for act, and working bucket (8) interior personnel operate it is motionless, when elevating mechanism reach certain position, need working bucket (8) When interior personnel manipulate, selecting switch is just pulled out " top control " pattern by lower part operator, green on upper control box (27) at this time Color indicator light is bright, and the green indicator light on lower control box (26) goes out, and upper operating person controls various actions;Lower control box (26), upper control box (27) and supporting leg control box (23) are interlocked in hydraulic system, that is, are closed on lower control box (26) After electric switch, then selecting switch pulled out into " equipment control ", pull the handle on lower control box (26) at this time, just can realize Required various actions, and spider supporting leg (22) is motionless;
Circuit control principle is:When the two-position switch S100 on control panel is rotated to diesel engine position, KAD coils obtain it is electric, Start diesel engine;When the two-position switch S100 on control panel is rotated to motor position, KAE coils obtain electric, system electrification; When diesel engine is as power source, two-position switch S101 is rotated to position is started, and diesel engine circuit is connected at this time;Work as two-position switch When S101 is rotated to closed position, diesel engine circuit is closed at this time;When selecting motor as power source, two-position switch S101 Rotation obtains electric, normally opened contact closure to position, KA2 coils is started, and KM1 obtains electric, normally opened contact closure, pump startup;It is opened when two S101 is closed when rotating to closed position, KA1 coils obtain electric, and normally-closed contact disconnects, and pump is closed, and equipment is out of service;Work as diesel engine During as power source, accumulator is as control loop power supply, and when motor is as power source, system engineering after the power is turned on, passes through The power supply of 220V is converted into power supply of the 24V direct currents as control loop by power conversion module, and KA3 obtains electric, and normally opened contact closes It closes, normally-closed contact disconnects so that diesel engine and motor cannot work at the same time.
2. oil electric mixed dynamic walking aerial work platform according to claim 1, it is characterised in that:The underarm (4) on upper arm supporting rack (28) is equipped with close to one end of fixed arm (3).
3. oil electric mixed dynamic walking aerial work platform according to claim 1, it is characterised in that:The fixation The front end of arm (3) is equipped with driver's seat (29), steering wheel (30) and front protection cover (31) successively, and the rear end of fixed arm (3) is equipped with supporting leg Control box (23).
4. oil electric mixed dynamic walking aerial work platform according to claim 1, it is characterised in that:The underarm Bar (10) and is arranged in parallel, fixed arm (3), lower arm rod (10), upper underarm positioned at the homonymy of lower arm hydraulic cylinder (9) with underarm (4) Connector (7) and underarm (4) form parallelogram.
5. oil electric mixed dynamic walking aerial work platform according to claim 1, it is characterised in that:Described is flexible Two small armed levers and working bucket (8) on arm (18), forearm (6) form parallelogram.
6. oil electric mixed dynamic walking aerial work platform according to claim 1, it is characterised in that:The idler wheel (19) hydraulic tube drag chain (20) is connected on.
CN201510035126.7A 2015-01-19 2015-01-19 Oil electric mixed dynamic walking aerial work platform CN104591052B (en)

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CN105036020A (en) * 2015-08-19 2015-11-11 浙江鼎力机械股份有限公司 Crank-arm-type aerial work platform flexible in work range
CN105236329A (en) * 2015-10-28 2016-01-13 国网北京市电力公司 High-altitude operating vehicle
CN105470839A (en) * 2015-11-25 2016-04-06 国网河南洛宁县供电公司 Support used for isolation switch overhauling
ITUB20155900A1 (en) * 2015-11-25 2017-05-25 Magni Telescopic Handlers S R L self-propelled aerial platform
CN106144978B (en) * 2016-08-17 2018-09-25 徐州海伦哲专用车辆股份有限公司 A kind of mixing arm high-altitude operation vehicle
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CN111017838A (en) * 2019-12-31 2020-04-17 北谷电子有限公司上海分公司 Control system and control method for arm type aerial work platform

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