CN104591052A - Oil-electricity hybrid power walking type aloft working platform - Google Patents
Oil-electricity hybrid power walking type aloft working platform Download PDFInfo
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- CN104591052A CN104591052A CN201510035126.7A CN201510035126A CN104591052A CN 104591052 A CN104591052 A CN 104591052A CN 201510035126 A CN201510035126 A CN 201510035126A CN 104591052 A CN104591052 A CN 104591052A
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- arm
- underarm
- hinged
- hydraulic cylinder
- upper arm
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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
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
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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
- B66F2700/00—Lifting apparatus
- B66F2700/09—Other lifting devices
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to an oil-electricity hybrid power walking type aloft working platform. The oil-electricity hybrid power walking type aloft working platform comprises a frame, a rotary working platform arranged on the frame and a fixed arm arranged on the rotary working platform, wherein the fixed arm is provided with a hoisting mechanism; the hoisting mechanism comprises a lower arm, an upper arm and lower arm connection piece, an upper arm and a small arm; one end of the lower arm is hinged to the fixed arm and the other end of the lower arm is hinged to the upper arm and lower arm connection piece by a lower arm connection pin; the other end of the upper arm and lower arm connection piece is hinged to one end of the upper arm by an upper arm connection pin; the upper arm sleeves an upper retractable arm; the upper retractable arm is hinged to one end of the small arm by a pin; the other end of the small pin is hinged to a working bucket by a pin. The oil-electricity hybrid power walking type aloft working platform has the advantages of reasonable structure design, convenience for transportation, cleanness and environmental friendliness; noise pollution is reduced, the production cost is saved, the working span and height can be increased and energy sources are saved.
Description
Technical field
The invention belongs to technical field of engineering machinery, be specifically related to a kind of oil electric mixed dynamic walking high-altitude operation platform.
Background technology
The industry that high-altitude operation platform serves primarily in power communication wiring maintenance, roadway lighting system safeguards lower operating altitudes such as installing, keep a public place clean in gardens municipal administration maintenance, advertisement installation, outdoor.At present, domestic high-altitude operation platform maximum operation height is generally at 8 ~ 35 meters, and the high-altitude operation platform of more than 35 meters relies on import substantially.High-altitude operation platform is mainly divided into following several: 1, crank type aerial working platform: mainly utilize hydraulic efficiency pressure system and electromagnetic valve controlling system to realize the lifting of work jibs, there is telescopic boom, can be overhang operation, certain obstacle can be crossed over or can multiple spot operation be carried out in place lifting, 360 ° of rotations can be carried out, platform load carrying ability is large, also can carry certain equipment for two people or many people operation simultaneously; 2, scissor-type lifting platform: its advantage is that movability is good, transfer place is convenient, aesthetic in appearance, is suitable for indoor and outdoor operation and deposits; 3, straight arm type high-altitude operation platform: its technology and equipment mainly relies on external import now, the straight-arm mainly utilizing hydraulic efficiency pressure system and special steel material to make carries out flexible operation, full telescopic boom is utilized to carry out overhanging operation, its advantage is that vehicle body volume is little, conveniently moving is quick, load carrying ability is large, and operation height is higher, and operating radius is also larger than crank type aerial working platform.Above three kinds of high-altitude operation platforms all also exist technical sophistication, and productive costs is high, expensive shortcoming, and its energy source mainly diesel oil or storage battery power supply, form is single, can not meet the needs of some special occasions.
Summary of the invention
The object of the invention is to overcome defect of the prior art, and a kind of reasonable in design is provided, effectively can improve the height of job platform and span and the low oil electric mixed dynamic walking high-altitude operation platform of productive costs.
The object of the present invention is achieved like this: comprise vehicle frame, the fixed arm being located at the rotary working platform on vehicle frame and being located on rotary working platform, fixed arm is provided with lifting mechanism, described lifting mechanism comprises underarm, upper underarm attaching parts, upper arm and forearm, one end and the fixed arm of underarm are hinged, one end that the other end of underarm connects pin and upper underarm attaching parts by underarm is hinged, one end that the other end of upper underarm attaching parts connects pin and upper arm by upper arm is hinged, telescopic boom is set with in described upper arm, the base end of Innerscoping cylinder is fixed on the inwall of upper arm, the rod end of Innerscoping cylinder is fixed on the inwall of telescopic boom, the outside face side of upper telescopic boom is provided with roller groove, be located at the roller setting corresponding with roller groove on top, upper arm side, upper telescopic boom is hinged by one end of pin and forearm, the other end of forearm by pin and working bucket hinged, lower arm hydraulic cylinder is provided with on the midway location of described underarm and between fixed arm, the hydraulic cylinder base end of lower arm hydraulic cylinder is fixedly connected with fixed arm, the lower rod end of arm hydraulic cylinder is connected with the midway location of underarm, lower arm rod is provided with between upper underarm attaching parts and fixed arm, lower arm rod and underarm be arranged in parallel, one end of lower arm rod is connected with upper underarm attaching parts by pin, the other end and the fixed arm of lower arm rod are hinged, arm hydraulic cylinder is provided with between described upper underarm attaching parts and upper arm, the hydraulic cylinder base end of upper arm hydraulic cylinder by upper arm hydraulic cylinder pin and upper underarm attaching parts hinged, rod end and the upper arm of upper arm hydraulic cylinder are hinged, the first working bucket regulator solution cylinder pressure is also provided with between upper underarm attaching parts and upper arm, the hydraulic cylinder base end of the first working bucket regulator solution cylinder pressure by upper arm regulate pin and upper underarm attaching parts hinged, rod end and the upper arm of the first working bucket regulator solution cylinder pressure are hinged, little arm hydraulic cylinder is provided with between described telescopic boom and forearm, the hydraulic cylinder base end of little arm hydraulic cylinder and telescopic boom hinged, its rod end and forearm hinged, the second working bucket regulator solution cylinder pressure is also provided with between described telescopic boom and forearm, second working bucket regulator solution cylinder pressure and little arm hydraulic cylinder heteropleural are arranged, hydraulic cylinder base end and the telescopic boom of the second working bucket regulator solution cylinder pressure are hinged, its rod end and forearm hinged, the bottom of described vehicle frame is provided with engine, diesel driven gear type pump and driven by power gear type pump is connected with by threeway in engine, diesel driven gear type pump is all connected with hydraulic oil pipe with driven by power gear type pump, four angles of vehicle frame are respectively equipped with spider supporting leg, and spider supporting leg passes through Driven by Hydraulic Cylinder.
Described fixed arm is provided with reductor, hydraulic electronic transferring box and lower control box.
Described working bucket is provided with control box.
One end near fixed arm on described underarm is provided with upper arm bracing frame.
The front end of described fixed arm is provided with driver's seat, bearing circle and front protection cover successively, and the rear end of fixed arm is provided with supporting leg control box.
Described lower arm rod is positioned at the homonymy of lower arm hydraulic cylinder, and be arranged in parallel with underarm, and fixed arm, lower arm rod, upper underarm attaching parts and underarm form parallelogram.
Two little armed levers on described telescopic boom, forearm and working bucket form parallelogram.
Described roller is connected with hydraulic pipe drag chain.
The invention has the advantages that:
1, adopt underarm, upper arm and forearm three grades of folding modes, the present invention is taken up room little, convenient transportation, during operation, radius can be extended to 9.5 meters, highly reaches 16.5 meters, all larger than like product;
2, be provided with underarm attaching parts between upper arm and underarm, on this, underarm attaching parts is arranged to triangle, and the problem swinging and vibrate when efficiently solving aloft work, enhances the stability of high-altitude operation platform;
3, on four angles of vehicle frame, be provided with spider supporting leg respectively, spider supporting leg adopts Driven by Hydraulic Cylinder, adds the Area of bearing bottom high-altitude operation platform, further ensures stability and the safety of high-altitude operation platform;
4, engine to be connected with diesel driven gear type pump and driven by power gear type pump by threeway and to realize double dynamical driving, environmentally power can be selected flexibly during operation, the mode that electric power can be adopted to drive separately in the normal situation of power supply, more clean, environmental protection when making operation, and can noise pollution be reduced; Do not possessing the mode that diesel engine can be adopted to drive separately in power-actuated situation, there is advantage that is applied widely, economize energy;
5, the present invention adopts import H type special steel material to make lifting mechanism, and make elasticity better, bearing capacity is stronger, safety factor is higher, internal hydraulic pressure oil cylinder and oil pipe oil circuit all adopt German DAS board inlet seal assembly, can realize the steady parallel flexible of upper arm, and steady elevating function;
6, the present invention adopts three grades of folding modes, can save a large amount of section bar, thus save production cost, compared with similar products, cheap.
7, rotary working platform vehicle frame of the present invention arranged can realize 360 ° of rotations on vehicle frame.
In sum, the present invention has reasonable in design, is convenient to transport, clean environment firendly, reduces noise pollution, saves production cost and can increase operation span and height and the advantage of economize energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is upper arm of the present invention and upper telescopic boom connection diagram.
Fig. 3 is control circui schematic diagram of the present invention.
Detailed description of the invention
In order to the technical characteristic to invention, object and effect have understanding clearly, now contrast accompanying drawing and the specific embodiment of the present invention is described, label identical in the various figures represents identical parts.For making simplified form, only schematically show part related to the present invention in each figure, they do not represent its practical structures as product.
As Fig. 1, 2, shown in 3, the present invention is oil electric mixed dynamic walking high-altitude operation platform, this high-altitude operation platform comprises vehicle frame 1, the fixed arm 3 being located at the rotary working platform 2 on vehicle frame 1 and being located on rotary working platform 2, fixed arm 3 is provided with lifting mechanism, described lifting mechanism comprises underarm 4, upper underarm attaching parts 7, upper arm 5 and forearm 6, one end and the fixed arm 3 of underarm 4 are hinged, one end that the other end of underarm 4 connects pin 12 and upper underarm attaching parts 7 by underarm is hinged, one end that the other end of upper underarm attaching parts 7 connects pin 13 and upper 5 by upper arm is hinged, telescopic boom 18 is set with in described upper arm 5, the base end of Innerscoping cylinder 36 is fixed on the inwall of upper arm 5, the rod end of Innerscoping cylinder 36 is fixed on the inwall of telescopic boom 18, the outside face side of upper telescopic boom 18 is provided with roller groove, be located at roller 19 setting corresponding with roller groove on top, upper arm 5 side, upper telescopic boom 18 is hinged by one end of pin and forearm 6, the other end of forearm 6 by pin and working bucket 8 hinged, lower arm hydraulic cylinder 9 is provided with on the midway location of described underarm 4 and between fixed arm 3, the hydraulic cylinder base end of lower arm hydraulic cylinder 9 is fixedly connected with fixed arm 3, the rod end of lower arm hydraulic cylinder 9 is connected with the midway location of underarm 4, lower arm rod 10 is provided with between upper underarm attaching parts 7 and fixed arm 3, lower arm rod 10 and underarm 4 be arranged in parallel, one end of lower arm rod 10 is connected with upper underarm attaching parts 7 by pin 11, the other end and the fixed arm 3 of lower arm rod 10 are hinged, arm hydraulic cylinder 14 is provided with between described upper underarm attaching parts 7 and upper arm 5, the hydraulic cylinder base end of upper arm hydraulic cylinder 14 is hinged with upper underarm attaching parts 7 by upper arm hydraulic cylinder pin 15, rod end and the upper arm 5 of upper arm hydraulic cylinder 14 are hinged, the first working bucket regulator solution cylinder pressure 32 is also provided with between upper underarm attaching parts 7 and upper arm 5, the hydraulic cylinder base end of the first working bucket regulator solution cylinder pressure 32 regulates pin 16 and upper underarm attaching parts 7 hinged by upper arm, rod end and the upper arm 5 of the first working bucket regulator solution cylinder pressure 32 are hinged, little arm hydraulic cylinder 17 is provided with between described telescopic boom 18 and forearm 6, hydraulic cylinder base end and the telescopic boom 18 of little arm hydraulic cylinder 17 are hinged, its rod end and forearm 6 hinged, the second working bucket regulator solution cylinder pressure 35 is also provided with between described telescopic boom 18 and forearm 6, second working bucket regulator solution cylinder pressure 35 is arranged with little arm hydraulic cylinder 17 heteropleural, hydraulic cylinder base end and the telescopic boom 18 of the second working bucket regulator solution cylinder pressure 35 are hinged, its rod end and forearm 6 hinged, the bottom of described vehicle frame 1 is provided with engine 21, diesel driven gear type pump and driven by power gear type pump is connected with by threeway in engine 21, diesel driven gear type pump is all connected with hydraulic oil pipe with driven by power gear type pump, four angles of vehicle frame 1 are respectively equipped with spider supporting leg 22, and spider supporting leg 22 passes through Driven by Hydraulic Cylinder.
Described fixed arm 3 is provided with reductor 24, hydraulic electronic transferring box 25 and lower control box 26.
Described working bucket 8 is provided with control box 27.
One end near fixed arm 3 on described underarm 4 is provided with upper arm bracing frame 28.
The front end of described fixed arm 3 is provided with driver's seat 29, bearing circle 30 and front protection cover 31 successively, and the rear end of fixed arm 3 is provided with supporting leg control box 23.
Described lower arm rod 10 is positioned at the homonymy of lower arm hydraulic cylinder 9, and be arranged in parallel with underarm 4, and fixed arm 3, lower arm rod 10, upper underarm attaching parts 7 and underarm 4 form parallelogram.
Two little armed levers on described telescopic boom 18, forearm 6 and working bucket 8 form parallelogram.
Described roller 19 is connected with hydraulic pipe drag chain 20.
Underarm 4 in the present invention, upper arm 5 and forearm 6 adopt three grades of folding modes, quadrangle filleted section, and after folding, brachium is less than 5m, whole length size is little, is convenient to transport, arranges telescopic boom 18 in upper arm 5, flexible stroke reaches 2.7m, and upper arm 5 stretches out that operating radius is maximum reaches 9.5m entirely; Full arm stretches out maximum operation height entirely can reach 16.5m.Luffing and fold mechanism adopt single cylinder Qian Zhi mechanism, and the hinge-point on hydraulic actuating cylinder is all placed in below jib, makes power transmission more reliable.Four angles of vehicle frame 1 are respectively equipped with spider supporting leg 22, and spider supporting leg 22 is by Driven by Hydraulic Cylinder, and increase operation amplitude, job stabilization is stronger.
The present invention is equipped with limit switch on upper arm 5, the angle of restriction upper arm 5, when upper arm 5 is 70 ° with the angle of horizontal surface, switch is under the effect of collision block, and the warning indicator lamp on the control box panel of bottom is bright, buzzer warning, working connection overflow simultaneously, luffing action stops, 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 carried out.
Conveniently operate, the present invention is respectively equipped with a set of control box on fixed arm 3 He in working bucket 8, be divided into lower control box 26 and upper control box 27 respectively, close the electric switch on down operation case 26 and the source switch on electrohydraulic proportional control valve and red indicating light bright after, namely green indicating lamp is bright select switch to be pulled out " bottom control " again, now pull the handle on lower control box 26, just required action can be realized, and personnel operate motionless in working bucket 8, when lifting mechanism arrives certain position, when needing that in working bucket 8, personnel handle, pattern that select switch just pulls out by bottom operator " top control ", the green indicating lamp now gone up on control box 27 is bright, and the green indicating lamp on lower control box 26 goes out, upper operating person just can control various action.
Lower control box 26 of the present invention, upper control box 27 and supporting leg control box 23 interlock in hydraulic efficiency pressure system, namely after closing the electric switch on down operation case 26, again select switch is pulled out " equipment control ", now pull the handle on lower control box 26, just can realize required various actions, and spider supporting leg 22 can be motionless.
Circuit control principle of the present invention is: when the two-position switch S100 on control panel rotates to diesel engine position, KAD coil obtains electric, starts diesel engine; When the two-position switch S100 on control panel rotates to motor position, KAE coil obtains electric, system electrification; When diesel engine is as propulsion source, two-position switch S101 rotates to enable position, now diesel engine circuit ON; When two-position switch S101 rotates to off position, now diesel engine circuit is closed; When selecting electrical motor as propulsion source, two-position switch S101 rotates to enable position, and KA2 coil obtains electric, and open contact closes, and KM1 obtains electric, and open contact closes, pump startup; When two-position switch S101 rotates to off position, KA1 coil obtains electric, and normally closed contact disconnects, and pump cuts out, and equipment is out of service; When diesel engine is as propulsion source, storage battery is as control loop power supply, when electrical motor is as propulsion source, after system engineering powers on, by power transfer module, become 24V direct current (DC) as the power supply of control loop the Power convert of 220V, KA3 obtains electric, open contact closes, and normally closed contact disconnects, and diesel engine and electrical motor can not be worked simultaneously.
Employing 12 horsepower diesel engine system of the present invention, the walking certainly of high-altitude operation platform can be realized, engine 21 is installed diesel driven gear type pump 33 and driven by power gear type pump 34, diesel driven gear type pump is all connected with hydraulic oil pipe with driven by power gear type pump, engine 21 is exactly a diesel engine, for vehicle traveling and diesel driven gear type pump 33 provide power, driven by power of the present invention can only have been come by driven by power gear type pump, the external 380 volts of power supplys of driven by power gear type pump, driven by power operation can be realized, complete upgrading, stretch and wait operation, realize the operation of clean environment firendly noiselessness.
It is to be noted in this article, " first ", " second " etc. only for differentiation each other, but not represent they significance level and order etc.In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, connect integratedly, also can be removably connect; Also can be the connection of two element internals; Can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Should be appreciated that above-described detailed description of the invention only for explaining the present invention, being not intended to limit the present invention, be still among protection scope of the present invention by spirit institute's apparent change of amplifying out of the present invention or change.
Claims (8)
1. an oil electric mixed dynamic walking high-altitude operation platform, comprise vehicle frame (1), the fixed arm (3) being located at the rotary working platform (2) on vehicle frame (1) and being located on rotary working platform (2), it is characterized in that: fixed arm (3) is provided with lifting mechanism, described lifting mechanism comprises underarm (4), upper underarm attaching parts (7), upper arm (5) and forearm (6), one end and the fixed arm (3) of underarm (4) are hinged, one end that the other end of underarm (4) connects pin (12) and upper underarm attaching parts (7) by underarm is hinged, one end that the other end of upper underarm attaching parts (7) connects pin (13) and upper arm (5) by upper arm is hinged, telescopic boom (18) is set with in described upper arm (5), the base end of Innerscoping cylinder (36) is fixed on the inwall of upper arm (5), the rod end of Innerscoping cylinder (36) is fixed on the inwall of telescopic boom (18), the outside face side of upper telescopic boom (18) is provided with roller groove, be located at roller (19) setting corresponding with roller groove on upper arm (5) top, side, upper telescopic boom (18) is hinged by one end of pin and forearm (6), the other end of forearm (6) by pin and working bucket (8) hinged, lower arm hydraulic cylinder (9) is provided with on the midway location of described underarm (4) and between fixed arm (3), the hydraulic cylinder base end of lower arm hydraulic cylinder (9) is fixedly connected with fixed arm (3), the rod end of lower arm hydraulic cylinder (9) is connected with the midway location of underarm (4), lower arm rod (10) is provided with between upper underarm attaching parts (7) and fixed arm (3), lower arm rod (10) and underarm (4) be arranged in parallel, one end of lower arm rod (10) is connected with upper underarm attaching parts (7) by pin (11), the other end and the fixed arm (3) of lower arm rod (10) are hinged, arm hydraulic cylinder (14) is provided with between described upper underarm attaching parts (7) and upper arm (5), the hydraulic cylinder base end of upper arm hydraulic cylinder (14) is hinged by upper arm hydraulic cylinder pin (15) and upper underarm attaching parts (7), rod end and the upper arm (5) of upper arm hydraulic cylinder (14) are hinged, the first working bucket regulator solution cylinder pressure (32) is also provided with between upper underarm attaching parts (7) and upper arm (5), the hydraulic cylinder base end of the first working bucket regulator solution cylinder pressure (32) regulates pin (16) and upper underarm attaching parts (7) hinged by upper arm, rod end and the upper arm (5) of the first working bucket regulator solution cylinder pressure (32) are hinged, little arm hydraulic cylinder (17) is provided with between described telescopic boom (18) and forearm (6), hydraulic cylinder base end and the telescopic boom (18) of little arm hydraulic cylinder (17) are hinged, its rod end and forearm (6) hinged, the second working bucket regulator solution cylinder pressure (35) is also provided with between described telescopic boom (18) and forearm (6), second working bucket regulator solution cylinder pressure (35) and little arm hydraulic cylinder (17) heteropleural are arranged, hydraulic cylinder base end and the telescopic boom (18) of the second working bucket regulator solution cylinder pressure (35) are hinged, its rod end and forearm (6) hinged, the bottom of described vehicle frame (1) is provided with engine (21), diesel driven gear type pump and driven by power gear type pump is connected with by threeway in engine (21), diesel driven gear type pump is all connected with hydraulic oil pipe with driven by power gear type pump, four angles of vehicle frame (1) are respectively equipped with spider supporting leg (22), and spider supporting leg (22) passes through Driven by Hydraulic Cylinder.
2. oil electric mixed dynamic walking high-altitude operation platform according to claim 1, is characterized in that: described fixed arm (3) is provided with reductor (24), hydraulic electronic transferring box (25) and lower control box (26).
3. oil electric mixed dynamic walking high-altitude operation platform according to claim 1, is characterized in that: described working bucket (8) is provided with control box (27).
4. oil electric mixed dynamic walking high-altitude operation platform according to claim 1, is characterized in that: the upper one end near fixed arm (3) of described underarm (4) is provided with upper arm bracing frame (28).
5. oil electric mixed dynamic walking high-altitude operation platform according to claim 1, it is characterized in that: the front end of described fixed arm (3) is provided with driver's seat (29), bearing circle (30) and front protection cover (31) successively, and the rear end of fixed arm (3) is provided with supporting leg control box (23).
6. oil electric mixed dynamic walking high-altitude operation platform according to claim 1, it is characterized in that: described lower arm rod (10) is positioned at the homonymy of lower arm hydraulic cylinder (9), and be arranged in parallel with underarm (4), fixed arm (3), lower arm rod (10), upper underarm attaching parts (7) and underarm (4) form parallelogram.
7. oil electric mixed dynamic walking high-altitude operation platform according to claim 1, is characterized in that: two little armed levers on described telescopic boom (18), forearm (6) and working bucket (8) form parallelogram.
8. oil electric mixed dynamic walking high-altitude operation platform according to claim 1, is characterized in that: described roller (19) is connected with hydraulic pipe drag chain (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510035126.7A CN104591052B (en) | 2015-01-19 | 2015-01-19 | Oil electric mixed dynamic walking aerial work platform |
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| CN201510035126.7A CN104591052B (en) | 2015-01-19 | 2015-01-19 | Oil electric mixed dynamic walking aerial work platform |
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| CN104591052B CN104591052B (en) | 2018-07-03 |
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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 |
| CN105036016A (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 with high stability |
| 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 |
| CN106144978A (en) * | 2016-08-17 | 2016-11-23 | 徐州海伦哲专用车辆股份有限公司 | A kind of mixing arm high-altitude operation vehicle |
| CN107934862A (en) * | 2017-12-13 | 2018-04-20 | 冯广吉 | A kind of electric power apparatus for examination and repair |
| CN108290727A (en) * | 2015-11-25 | 2018-07-17 | 马格尼自动操作机有限公司 | self-propelled aerial platform |
| CN108946560A (en) * | 2018-08-14 | 2018-12-07 | 国网安徽省电力有限公司广德县供电公司 | A kind of intelligence carries the device of lift maintaining |
| CN109019455A (en) * | 2018-08-14 | 2018-12-18 | 国网安徽省电力有限公司广德县供电公司 | A kind of folding intelligence carrying lifting device |
| CN109795967A (en) * | 2019-03-22 | 2019-05-24 | 舟山万邦永跃船舶修造有限公司 | Aerial lift device |
| 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 |
| CN111170239A (en) * | 2019-12-31 | 2020-05-19 | 中联重科股份有限公司 | Rapid lifting mechanism, lifting control method thereof and aerial work platform |
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