CN102311075A - Aerial platform - Google Patents

Aerial platform Download PDF

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Publication number
CN102311075A
CN102311075A CN2011101861729A CN201110186172A CN102311075A CN 102311075 A CN102311075 A CN 102311075A CN 2011101861729 A CN2011101861729 A CN 2011101861729A CN 201110186172 A CN201110186172 A CN 201110186172A CN 102311075 A CN102311075 A CN 102311075A
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CN
China
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arm
oil cylinder
working cabin
suspension rod
shake
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CN2011101861729A
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CN102311075B (en
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落合健二
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Aichi Corp
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Aichi Corp
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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

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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

A kind of aerial platform comprises: moving body; The suspension rod 30 of tilt adjustable; The tilt adjustment oil cylinder that suspension rod 30 is gone up and down; Arm 40, it can vertically joltily be contained in the end of suspension rod 30; Arm shakes oil cylinder, and it vertically shakes arm 40 with respect to suspension rod 30; Working cabin 50, it can vertically joltily be contained in the end of arm 40; Working cabin shakes oil cylinder, and it vertically shakes Working cabin 50 with respect to arm 40; The leveling control setup, it is according to the operation of tilt adjustment of suspension rod 30, makes arm shake oil cylinder and Working cabin and shakes one of oil cylinder and have precedence over that arm shakes oil cylinder and Working cabin shakes another action in the oil cylinder, with control operation cabin 50 maintenance horizontalitys.

Description

Aerial platform
Technical field
The present invention relates to a kind of aerial platform, it has the variable pitch suspension rod, is positioned at the arm that suspension rod is terminal and can fluctuate with respect to suspension rod, is positioned at the terminal Working cabin of arm, is used for stablizing the leveling equipment of Working cabin dimensional orientation.
Background technology
As an example of above-mentioned aerial platform, aerial platform comprises: suspension rod, and it is positioned at the moving body top, can move up and down, stretch and rotation; Arm, it is positioned at the end of suspension rod, can fluctuate; Working cabin, it is positioned at the end of arm, is taken by operating personal, and the operating personal of taking in it carries out work through Working cabin being moved to the aloft work position that needs.This Operation Van for example is used for electrician's operation and constructions work.Have leveling equipment in the aerial platform, no matter the inclination angle of suspension rod how, keeps the base plate of Operation Van to be in horizontality at any time, the Working cabin that makes operating personal take not to tilt with the up-down of suspension rod.
For example; C/LOOP hydraulic leveling equipment can be; Make leveling cyclinder that Working cabin fluctuates with the stretching of the variable pitch oil cylinder that suspension rod is gone up and down, thereby, no matter the inclination angle of suspension rod is how; Keep the base plate of Operation Van to be in horizontality (for example, with reference to patent documentation 1) at any time.
Yet, also having a kind of aerial platform, it comprises: horizontal balance handling device and vertical motion action device, it is operated to Working cabin and moves in the horizontal direction or on the vertical direction; Level/vertical motion control device, it through the tilt adjustment and the expanding-contracting action of control suspension rod, comes the control operation cabin to move in the horizontal direction with on the vertical direction according to the operation of aforesaid operations device.In the aerial platform that can carry out this HV (level/vertical) control; Usually; Arm keeps constant with respect to the pivot angle of suspension rod, and Working cabin only moves with flexible with the tilt adjustment of suspension rod, adopts leveling cyclinder to make Working cabin fluctuate the leveling Working cabin with respect to arm.Yet, in recent years, and though with boom angle regulate arm is shaken with respect to suspension rod and the inclination angle of suspension rod how all the constant aerial platform that carries out the Working cabin leveling in the elevation angle of keeping arm (for example, with reference to patent documentation 2) also appears.The advantage of this aerial platform is when mobile operating cabin in the horizontal direction, can guarantee quite wide operating range, this be because, when moving in the horizontal direction, always the elevation angle of arm is constant even Working cabin is regulated with boom angle.
Patent documentation 1: Japanese Patent discloses 2001-220098 (A) number
Patent documentation 2: Japanese Patent discloses 2001-206694 (A) number
As stated; There are two kinds of Working cabin leveling systems; Promptly; No matter the inclination angle of suspension rod is the constant system that carries out the Working cabin leveling in the elevation angle of keeping arm and constant and make Working cabin move up and down the system that carries out the Working cabin leveling with respect to arm with respect to the pivot angle of suspension rod with the leveling cyclinder keeping arm how all.The problem that these two kinds of systems exist is, as such through the constant level/when vertically controlling of carrying out in the elevation angle of keeping arm in the last system, can guarantee the operating range of broad down in level control, but the operating altitude under vertically controlling is lower; As in one system of back such through keeping arm with respect to the constant level/when vertically controlling of carrying out of the pivot angle of suspension rod, operating altitude can be higher down in vertical control, but the operating range of level under controlling narrows down.
For addressing the above problem, the elevation angle and the arm that is necessary to make arm all changes with respect to the pivot angle of suspension rod, with widen level control down operating range and improve the operating altitude under the vertically control, but can produce the problem of the burden increase of control setup.And in being similar to the conventional leveling equipment of above-mentioned C/LOOP hydraulic efficiency pressure system, problem is a kind of configuration mode that can only adopt in above-mentioned two kinds of systems, can not utilize the advantage of above-mentioned two kinds of systems simultaneously.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of aerial platform, its can enlarge Working cabin in the horizontal direction with the moving range of vertical direction, and under the situation of the burden that does not increase control setup, improve the working ability of operating personal.
Aerial platform of the present invention comprises: moving body, for example, the moving body 10 in the specific embodiment; Suspension rod is contained on the car body to its tilt adjustable; Boom angle is regulated oil cylinder, for example, the tilt adjustment oil cylinder 22 in the specific embodiment, it makes suspension rod go up and down with respect to car body; Arm, it can vertically joltily be contained in the end of suspension rod; Arm shakes oil cylinder, and it vertically shakes arm with respect to suspension rod; Working cabin, it can vertically joltily be contained in the end of arm; Working cabin shakes oil cylinder, and it vertically shakes Working cabin with respect to arm; The leveling control setup; For example, the controller 80 in the specific embodiment, it is according to the tilt adjustment operation of suspension rod; Make arm shake oil cylinder and Working cabin and shake one of oil cylinder and have precedence over that arm shakes oil cylinder and Working cabin shakes another action in the oil cylinder, keep horizontality with the control operation cabin.
Preferably, aerial platform of the present invention comprises the selection operation device, for example, the leveling select switch 94 in the specific embodiment, it is operated to select arm to shake oil cylinder or Working cabin and shakes oil cylinder and preferentially move.Preferably, the suspension rod telescopically is contained on the car body, and aerial platform also comprises: the suspension rod telescopic oil cylinder, for example, and the telescopic oil cylinder 23 in the specific embodiment, it makes suspension rod flexible; The horizontal balance handling device, for example, the suspension rod control lever 91 in the specific embodiment, it is operated to the Working cabin along continuous straight runs and moves; Vertical motion action device, for example, the suspension rod control lever 91 in the specific embodiment, it is operated to Working cabin and vertically moves; And level/vertical motion control device; For example; Controller 80 in the specific embodiment, it is when the horizontal balance handling device or when vertically the motion action device is operated, according to operated horizontal balance handling device or the vertically operation of motion action device; Make boom angle regulate oil cylinder and the action of suspension rod telescopic oil cylinder, move with control operation cabin along continuous straight runs or vertical direction; Wherein, the leveling control setup can be selected arm to shake oil cylinder or Working cabin to shake oil cylinder and preferentially move, then to level/vertically all directions in motion control device mobile operating cabin are preferentially moved selecteed oil cylinder, keep horizontality with the control operation cabin.
Preferably; Aerial platform of the present invention comprises the selection setting device; For example, XYZ in specific embodiment control selector switch 95, its all directions to the mobile operating cabin preestablish to be selected arm to shake oil cylinder and Working cabin by the leveling control setup to shake in the oil cylinder which.Preferably, when the horizontal balance handling device was operated, the leveling control setup was selected arm to shake oil cylinder and makes arm shake oil cylinder to have precedence over Working cabin and shake cylinder action, keeps horizontality with the control operation cabin; When vertical motion action device was operated, the leveling control setup was selected Working cabin to shake oil cylinder and makes Working cabin shake oil cylinder to have precedence over arm and shake cylinder action, keeps horizontality with the control operation cabin.
In above-mentioned aerial platform of the present invention; Operation makes arm shake oil cylinder and Working cabin to shake one of oil cylinder and have precedence over another action the leveling control setup according to the tilt adjustment of suspension rod; Can realize the switching between following two kinds of systems; Promptly; How all the elevation angle of keeping arm is constant in carrying out the system of Working cabin leveling to make arm shake the preferential action of oil cylinder and boom angle, and make Working cabin shake the preferential action of oil cylinder and keeping arm constant with respect to the pivot angle of suspension rod to carry out the system of Working cabin leveling.This shows, because confirm the preferential oil cylinder that moves, so can between above-mentioned two kinds of leveling systems, switch under the prerequisite that does not increase the control setup burden according to Working cabin leveling control.
Comprise at aerial platform of the present invention under the situation of selection operation device; Can allow operating personal to carry out the leveling system blocked operation; Thereby can carry out the switching of leveling system according to the preference of operating personal, for example, under the situation that new hand operates; Switch to the constant system in the elevation angle that makes arm shake preferential action of oil cylinder and keeping arm, make new hand be easier to recognize the shake track of Working cabin with respect to arm.
Carry out under the situation of Working cabin HV control at level/vertical motion control device; The all directions that the leveling control setup moves Working cabin are selected to make arm to shake oil cylinder or Working cabin and are shaken oil cylinder and preferentially move; Select realizing Working cabin leveling control, thereby can expand or reduce the operating range on all directions that Working cabin moves.Aerial platform of the present invention can switch leveling system for all directions that above-mentioned Working cabin moves through comprising the selection setting device.Carry out leveling through when the Working cabin along continuous straight runs moves, making arm shake the preferential action of oil cylinder, Working cabin operating range in the horizontal direction can be expanded because of the elevation angle of arm is constant.Carry out leveling through when Working cabin vertically moves, making Working cabin shake the preferential action of oil cylinder, the operating range of Working cabin in the vertical direction can be expanded with respect to the pivot angle of suspension rod is constant because of arm.
Through following detailed description, concrete field of application of the present invention will be clearly.Yet, being referred to do preferred implementation of the present invention though should be appreciated that following detailed description and specific embodiment, it provides nothing but the mode with example.Within the spirit and scope of the present invention various distortion and modification being carried out in following detailed description, will be conspicuous to those skilled in the art.
Description of drawings
Through following detailed description and accompanying drawing, can more fully understand the present invention.These detailed descriptions and accompanying drawing provide nothing but the mode with example, thereby are not construed as limiting the invention.
Fig. 1 is the lateral plan of aerial platform of the present invention.
Fig. 2 is the enlarged side view of suspension rod tip, arm and the Working cabin of above-mentioned aerial platform.
Fig. 3 is the block diagram of leveling control in the above-mentioned aerial platform.
Fig. 4 be in the above-mentioned aerial platform when arm shakes with respect to suspension rod the lateral plan of the operation of arm and Working cabin.
Fig. 5 is the scheme drawing that vertically moves control of Working cabin in the above-mentioned aerial platform; Fig. 5 (A) is the scheme drawing that in suspension rod/arm interlock leveling pattern, vertically moves control, and Fig. 5 (B) is the scheme drawing that in suspension rod/arm independence leveling pattern, vertically moves control.
Fig. 6 is the scheme drawing of the parallel motion control of Working cabin in the above-mentioned aerial platform; Fig. 6 (A) is the scheme drawing of parallel motion control in suspension rod/arm independence leveling pattern, and Fig. 6 (B) is the scheme drawing that vertically moves control in suspension rod/arm interlock leveling pattern.
The specific embodiment
Below, the preferred implementation that present invention will be described in detail with reference to the accompanying.The integral structure of aerial platform of the present invention at first, is described with reference to lateral plan Fig. 1.Aerial platform 1 comprises: truck-type moving body 10, and it has wheel fetalism wheel 11, can in operator's compartment 12, be driven by operating personal; Rotating basis 20, it is arranged on moving body 10 tops; The flexible suspension rod (being designated hereinafter simply as suspension rod) 30 that can vertically shake, its bottom is connected in the mounting pin 21 of rotating basis 20 pivotly; Extensile arm (being designated hereinafter simply as arm) 40, it is connected in the end of suspension rod 30, can fluctuate with respect to suspension rod 30; And Working cabin 50, it is connected in the end of arm 40.
The supporting leg 13 of stable support moving body 10 is arranged on each position, front, rear, left and right of moving body 10 during work, and when carrying out aloft work, supporting leg 13 stretches out downwards, rises and support moving body 10.Rotating basis 20 is located at moving body 10 tops, can rotate with the rotating machine (not shown).Tilt adjustment oil cylinder 22 is arranged between rotating basis 20 and the suspension rod 30, and suspension rod 30 can be regulated the inclination angle with respect to rotating basis 20 with stretching of tilt adjustment oil cylinder 22.Suspension rod 30 comprises mutually nested bottom suspension rod 30a, middle suspension rod 30b and terminal suspension rod 30c, can stretch with the action that is positioned at suspension rod 30 in-to-in telescopic oil cylinders 23.
As shown in Figure 2, arm 40 comprises: the davit head 41 that is connected in suspension rod 30 ends pivotly; Support the supporting member 42 of Working cabin 50; And arm body 43, the one of which end is connected in davit head 41 pivotly fluctuating, and its other end is connected in supporting member 42 pivotly fluctuating.Hydraulically powered arm shakes oil cylinder 44 and is arranged between terminal suspension rod 30c and the arm body 43, and the flexible arm 40 that makes that arm shakes oil cylinder 44 can shake with respect to suspension rod 30 on above-below direction.
One end of first carrier bar 45 is connected in supporting member 42 pivotly fluctuating, and an end of second carrier bar 46 is connected in arm body 43 pivotly fluctuating.The other end of the other end of first carrier bar 45 and second carrier bar 46 is connected can shaking relatively pivotly, and hydraulically powered Working cabin shakes between the pivot point of connection on the above-mentioned other end that oil cylinder 47 is arranged on arm body 43 and first carrier bar 45, second carrier bar 46.Working cabin shakes oil cylinder 47 flexiblely can shake Working cabin 50 and can keep Working cabin 50 always to be in horizontality with respect to arm 40 on above-below direction.
The arm that above-mentioned arm shakes oil cylinder 44 shakes Working cabin that oil cylinder control cock 48 and Working cabin shake oil cylinder 47 and shakes oil cylinder control cock 49 and interconnect (with reference to Fig. 3) via the hydraulic circuit (not shown).Arm shakes oil cylinder control cock 48 and shakes oil cylinder control cock 49 with Working cabin and be connected in the controller 80 of explanation after a while via the signal wire (SW) (not shown), and moves based on the signal that comes self-controller 80 and to shake oil cylinder 47 flexible (detailed description will provide below) so that arm shakes oil cylinder 44 with Working cabin.
Column 60 is connected in supporting member 42; The end that Working cabin shakes oil cylinder 47 is connected in supporting member 42 pivotly; Make to keep column 60 always to be in vertical state through making Working cabin shake oil cylinder 47 actions, and make Working cabin 50 supported with can around the axis rotation of column 60 and can be because of column 60 in the action of the beat motor 61 that is provided with around the axis horizontal rotation of column 60.Working cabin 50 can be taken by operating personal; Operating personal can be operated the following handling device that specifies 90; So that suspension rod 30 goes up and down, flexible and rotation; And arm 40 is shaken, and when the HV pattern that specifies below adopting with Working cabin 50 levels and the position that vertically moves to needs.
Between davit head 41 and arm body 43, be provided with arm swing angle detection device 71, between supporting member 42 and arm body 43, be provided with Working cabin swing angle detection device 72.Arm swing angle detection device 71 detection arm 40 with respect to the pivot angle of suspension rod 30 (below; Be called arm pivot angle α); Working cabin swing angle detection device 72 detect Working cabins 50 with respect to the pivot angle of arm 40 (below; Be called Working cabin pivot angle β), detected arm pivot angle α and Working cabin pivot angle β are outputed to controller 80.In suspension rod 30, be provided with and be used to detect the boom angle detecting device 73 of suspension rod 30 with respect to the inclination angle of rotating basis 20; In Working cabin 50, be provided with the Working cabin elevation angle detecting device 74 at the elevation angle that is used to detect Working cabin 50, the boom angle and the Working cabin elevation angle are also outputed to controller 80.
In aforesaid aerial platform 1, be provided with handling device 90 (with reference to Fig. 2) near arm 40 1 sides at Working cabin 50.As shown in Figure 3, handling device 90 comprises suspension rod control lever 91, arm control lever 92, Pattern Select Switch 93 and leveling selector switch 94.Suspension rod control lever 91 comprises the handle (not shown) that is positioned at its top, its can be around the center to forward and backward, left and right any one direction pendulum that inclines, in addition, handle can be by cw or conter clockwise turn-knob.For example, arm control lever 92 can be a rocking bar, and can be forward, recede.
The tumbler switch that can locate forward or backward can be used as Pattern Select Switch 93, Pattern Select Switch 93 is positioned at anterior position can selects general mode, this switch 93 is positioned at the rear position can selects HV pattern (level/vertical Move Mode).General mode can make suspension rod 30 go up and down, stretch and rotation respectively according to incline pendulum and turn-knob suspension rod control lever 91; The HV pattern can be through inclining pendulum suspension rod control lever 91 and mobile operating cabin 50 in the horizontal direction, and can be through turn-knob suspension rod control lever 91 in the vertical direction mobile operating cabin 50 (detailed description will provide below).
The pendulum suspension rod control lever 91 that inclines is exported suspension rod operation signal and arm operation signal respectively with arm control lever 92, turn-knob suspension rod control lever 91 output rotating signals, and these signals are input to controller 80.When forward when retreating swing arm control lever 92; Controller 80 receives the arm operation signal; At this moment, controller 80 shakes oil cylinder control cock 48 to arm and shakes oil cylinder control cock 49 output signals with Working cabin, shakes oil cylinder 47 and stretches or contract so that arm shakes oil cylinder 44 and Working cabin.Then, arm shakes oil cylinder 44 and inclines pendulum operation and stretch or contract in response to above-mentioned, and arm 40 shakes with respect to suspension rod 30, and simultaneously, Working cabin shakes oil cylinder 47 and stretches or contract, and also keeps the base plate of Working cabin 50 to be in horizontality although make arm 40 shake.Therefore, as shown in Figure 4, for example, when arm 40 increased γ with respect to the pivot angle of suspension rod 30, Working cabin 50 reduced γ with respect to the Working cabin pivot angle β of arm 40, and the horizontality of Working cabin 50 is able to keep.
In handling device 90, be provided with the identical beat control lever (not shown) of form and arm control lever 92, its can about the pendulum that inclines, impel the beat motor to rotate forward the beat control lever pendulum that inclines to the left, make that Working cabin 50 can the cw beat; Impel beat motor 61 to rotate in the opposite direction to the Right deviation pendulum beat control lever, make that Working cabin 50 can the conter clockwise beat.
When to general mode or HV mode switch, the cooresponding signal of pattern that Pattern Select Switch 93 outputs and switch are selected, this signal is input to controller 80.Be chosen as general mode through Pattern Select Switch 93 and putting under the situation of suspension rod control lever 91 in the fore-and-aft direction updip; The signal that controller 80 makes tilt adjustment oil cylinder 22 stretch or contract to tilt adjustment oil cylinder control cock (not shown) output makes the pendulum operation of inclining according to above-mentioned fore-and-aft direction make tilt adjustment oil cylinder 22 stretch or contract and makes 30 liters on suspension rod or fall.When at left and right directions updip pendulum suspension rod control lever 91; The signal that controller 80 makes telescopic oil cylinder 23 stretch or contract to telescopic oil cylinder control cock (not shown) output makes the pendulum operation of inclining according to above-mentioned left and right directions make telescopic oil cylinder 23 stretch or contract and makes suspension rod 30 stretch or contract.When the handle of cw or conter clockwise turn-knob suspension rod control lever 91; Controller 80 makes and operates the driven in rotation motor and make rotating basis 20 rotations according to above-mentioned cw or conter clockwise turn-knob to the signal of rotating machine control cock (not shown) output driven in rotation motor (not shown).
Be chosen as through Pattern Select Switch 93 under the situation of HV pattern; Suspension rod control lever 91 only can be to forward and backward, the left and right pendulum that inclines; Handle only can cw or conter clockwise turn-knob, and through at fore-and-aft direction updip pendulum suspension rod control lever 91, Working cabin 50 can move by in the vertical direction; Through putting suspension rod control lever 91 in the left and right directions updip, Working cabin 50 can move in the horizontal direction, especially can move up in the front and back of moving body 10; Through the handle of cw or conter clockwise turn-knob suspension rod control lever 91, Working cabin 50 can move in the horizontal direction, especially can move up at the right and left of moving body 10.Like this, in the HV pattern, Working cabin 50 can move on six direction, that is, upper and lower, left and right, preceding and after.As shown in Figure 1; The horizontal direction parallel with the longitudinal axis of moving body 10 is as directions X (among Fig. 1 left direction); Vertical direction is as Y direction (direction that makes progress among Fig. 1), and the horizontal direction vertical with the longitudinal axis of moving body is as Z direction (depth direction among Fig. 1).But strict difinition directions X, Y direction and Z direction only are for the ease of explanation.
In the HV pattern, output Z operation signal when output X operation signal when left and right directions updip pendulum suspension rod control lever 91, the handle of cw or conter clockwise turn-knob suspension rod control lever 91, output Y operation signal when fore-and-aft direction updip pendulum suspension rod control lever 91.The operation signal of each output all is input to controller 80.In case receive above-mentioned X operation signal, Y operation signal or Z operation signal, controller 80 will calculate rotation amount, the tilt adjustment amount of suspension rod 30 and the beat amount of stroke and Working cabin 50 of rotating basis 20 based on relevant operation signal.Then; Controller 80 outputs to the corresponding control cock (not shown) that the operation of tilt adjustment oil cylinder 22 and the telescopic oil cylinder 23 and the beat motor 61 of rotating machine to rotating basis 20, suspension rod 30 is controlled respectively with drive signal, controls the rotation of rotating basis 20, the tilt adjustment of suspension rod 30 and the beat of flexible and Working cabin 50 respectively.Like this, in the HV pattern, through at left and right directions or fore-and-aft direction updip pendulum suspension rod control lever 91, suspension rod 30 can lifting/lowering with stretch/contract, Working cabin 50 can move on directions X or Y direction; And, in the HV pattern,, can make rotating basis 20 rotations through the handle of cw or conter clockwise turn-knob suspension rod control lever, can make suspension rod 30 stretch/contract, can also carry out the beat of Working cabin 50, with mobile operating cabin 50 on the Z direction.
Aforesaid aerial platform 1 comprises two kinds of leveling patterns; It adopts aforesaid arm to shake oil cylinder 44 and shakes 47 two kinds of oil cylinders of oil cylinder and make a kind of preferential action in these two kinds of oil cylinders with Working cabin; Carry out leveling control, how all to keep Working cabin 50 to be in horizontality with the tilt adjustment state of suspension rod 30.Specifically, can between suspension rod/arm interlock leveling pattern and suspension rod/arm independence leveling pattern, switch.Shown in Fig. 5 (A), for example, suspension rod/arm interlock leveling pattern comes the constant Working cabin pivot angle β that makes of keeping arm pivot angle α to change through making Working cabin shake oil cylinder 47 preferential actions.Shown in Fig. 5 (B), for example, suspension rod/arm independence leveling pattern keeps the constant arm pivot angle α that makes of Working cabin pivot angle β to change through making arm shake oil cylinder 44 preferential actions.Below, provide two embodiment, so that the changing method of these two kinds of leveling patterns to be described.
Embodiment 1
Embodiment 1 is the situation that has switched to the above-mentioned leveling pattern of manual switchover under the state of general mode at Pattern Select Switch 93.In embodiment 1, utilize leveling selector switch 94 manual switchovers suspension rod shown in Figure 3/arm interlock leveling pattern and suspension rod/arm independence leveling pattern.Near leveling selector switch 94, be provided with the display lamp (not shown),, can know and learn and selected any in suspension rod/arm interlock leveling pattern and the suspension rod/arm independence leveling pattern through this display lamp.For example, the tumbler switch that can locate forward or backward as Pattern Select Switch 93 that kind can be used as leveling selector switch 94.Below, the relation between the leveling model selection state that explanation leveling selector switch 94 is selected and the operation of suspension rod control lever 91 and arm control lever 92, and action described.
At first; When in general mode during at fore-and-aft direction updip pendulum suspension rod control lever 91, controller 80 goes up and down the flexible so that suspension rod 30 of tilt adjustment oil cylinder 22, still; At the selection mode of inspection leveling selector switch 94 and selected this moment under the situation of suspension rod/arm interlock leveling pattern; Up-down according to suspension rod 30 makes Working cabin 50 shake with respect to arm 40, that is to say, carries out the leveling of Working cabin 50 through making Working cabin shake oil cylinder 47 preferential actions.In this case, no matter the up-down what state of suspension rod 30, α is constant for the arm pivot angle.Utilizing leveling selector switch 94 to select under the situation of suspension rod/arm independence leveling pattern, arm 40 is being shaken with respect to suspension rod 30, that is to say, carrying out the leveling of Working cabin 50 through making arm shake oil cylinder 44 preferential actions according to the up-down of suspension rod 30.In this case, no matter the up-down what state of suspension rod 30, β is constant for the Working cabin pivot angle.In general mode; Because put suspension rod control lever 91 or carry out the flexible or rotation that the turn-knob operation only causes suspension rod 30 in the left and right directions updip; The elevation angle of Working cabin 50 does not change, so, do not carry out and shake oil cylinder 44 or Working cabin according to arm and shake the leveling control that the operation of oil cylinder 47 is carried out.
When in the general mode during at fore-and-aft direction updip swing arm control lever 92; Controller 80 makes arm shake the flexible so that arm 40 of oil cylinder 44 and shakes with respect to suspension rod 30; But, though through this moment leveling selector switch 94 selection mode how all to make Working cabin shake oil cylinder 47 actions, and shake with respect to suspension rod 30 according to arm 40 Working cabin 50 shaken with respect to arm 40; Carry out the leveling (for example, with reference to Fig. 4) of Working cabin 50.Even in general mode under the situation of pendulum suspension rod control lever 91 and arm control lever 92 of inclining simultaneously on the fore-and-aft direction; No matter how controller 80 all makes Working cabin shake oil cylinder 47 actions through the selection mode of leveling selector switch 94; And up-down and shaking of arm 40 according to suspension rod 30 make Working cabin 50 shake with respect to arm 40, carry out the leveling of Working cabin 50.
In the foregoing description 1; Can utilize leveling selector switch 94 between suspension rod/arm interlock leveling pattern and suspension rod/arm independence leveling pattern, to carry out manual switchover; Can come suitably to select for use the leveling pattern according to the characteristics of aloft work, the condition of working space or the preference of operating personal; Therefore, working ability improves.Because operating personal can switch the leveling pattern; So; At operating personal is under new hand's the situation, and for example, operating personal can be selected suspension rod/arm independence leveling pattern; No matter how the tilt adjustment state with suspension rod 30 all keeps the Working cabin pivot angle β elevation angle constant and keeping arm 40 constant, thereby make operating personal be easy to expect Working cabin 50 moving and working ability is improved with respect to arm 40.
In embodiment 1; Under the situation of the pendulum operation of inclining of following arm control lever 92; How leveling model selection state all makes arm shake oil cylinder 44 actions and arm 40 is shaken with respect to suspension rod 30, and always carries out the leveling of Working cabin 50 through making Working cabin shake oil cylinder 47 actions, thereby can make the orientation of Working cabin 50 remain on horizontality; And, even when swing arm 40, also can guarantee the safety of operating personal.The manual switchover system of embodiment 1 even can be applied in the following aerial platform; This aerial platform does not have the Pattern Select Switch 93 that can switch to the HV pattern, but only comprises suspension rod handling device that makes suspension rod 30 up-downs and the arm handling device that arm 40 is shaken with respect to suspension rod 30.
Embodiment 2
Embodiment 2 is the situation that switched to the above-mentioned leveling pattern that automaticallyes switch under the state of HV pattern at Pattern Select Switch 93.At first, as shown in Figure 5, in the HV pattern at fore-and-aft direction updip pendulum suspension rod control lever 91 so that Working cabin 50 under situation about moving on the Y direction, controller 80 automatically switches to suspension rod/arm interlock leveling pattern.Specifically, when suspension rod control lever 91 inclines pendulum forward or backward, as stated; To controller 80 output Y operation signals, in a single day controller 80 is transfused to the Y operation signal, will make 30 liters on suspension rod or falls and stretch or contract; So that Working cabin 50 moves on the Y direction; And, will make Working cabin shake oil cylinder 47 and have precedence over arm and shake oil cylinder 44 action and Working cabin 50 is shaken with respect to arm 40, constant with keeping arm 40 with respect to the pivot angle of suspension rod 30.Therefore, in this case, shown in Fig. 5 (A), according to Working cabin 50 moving on the Y direction, Working cabin pivot angle β is varied down to β ' from β, but arm pivot angle α maintenance is constant.
Shown in Fig. 5 (B); As stated when at fore-and-aft direction updip pendulum suspension rod control lever 91 so that Working cabin 50 set under the situation of suspension rod/arm independence leveling pattern when on the Y direction, moving; According to Working cabin 50 moving on the Y direction, be varied down to α ' with respect to the pivot angle of suspension rod 30 from α through keeping the constant arm 40 that makes of Working cabin pivot angle β.
As stated; In suspension rod/arm interlock leveling pattern (referring to Fig. 5 (A)); Even identical in the tilt adjustment amount of suspension rod 30 and stroke and the suspension rod/arm independence leveling pattern (referring to Fig. 5 (B)), the position of Working cabin 50 on the Y direction be also than the high h in suspension rod/arm independence leveling pattern, and; In hypothesis suspension rod/arm independence leveling pattern is under the situation of H2 in the operating range on the Y direction, and the operating range H1 that obtains in suspension rod/arm interlock leveling pattern is than the high h of H2.Therefore, in the HV pattern, put suspension rod control lever 91 so that Working cabin 50 under situation about moving on the Y direction, through switching to suspension rod/arm interlock leveling pattern, can obtain the operating range of broad in the fore-and-aft direction updip.
As shown in Figure 6, in the HV pattern, make suspension rod control lever 91 carry out turn-knob so that Working cabin 50 is gone up under the situation about moving at directions X or Z direction (being horizontal direction) at left and right directions updip pendulum or to handle, controller 80 automatically switches to suspension rod/arm independence leveling pattern.Specifically, in the HV pattern when incline to the left or to the right pendulum or when handle carried out turn-knob, of suspension rod control lever 91 to controller 80 output X operation signal or Z operation signals.In a single day controller 80 is transfused to the X operation signal, will make 30 liters on suspension rod or falls and stretch or contract so that Working cabin 50 moves on directions X, and can make arm shake oil cylinder 44 to have precedence over Working cabin and shake oil cylinder 47 actions.In addition, in a single day controller 80 is transfused to the Z operation signal, will make rotating basis 20 rotation, make 30 liters on suspension rod or fall and stretch or contract, make Working cabin 50 beats, and also can make arm shake oil cylinder 44 in this case to have precedence over Working cabin and shake oil cylinder 47 actions.That is to say; Controller 80 makes arm shake oil cylinder 44 when being transfused to X operation signal or Z operation signal and preferentially moves, and, shown in Fig. 6 (A); According to Working cabin 50 moving on directions X or Z direction; For example, constant through arm pivot angle α being become greater to α ' with maintenance Working cabin pivot angle β, the leveling that comes control operation cabin 50.
Shown in Fig. 6 (B); As stated when carrying out turn-knob at left and right directions updip pendulum suspension rod control lever 91 or to handle so that Working cabin 50 set under the situation of suspension rod/arm interlock leveling pattern when on directions X or Z direction, moving; According to Working cabin 50 moving on directions X or Z direction, make arm pivot angle α keep constant and Working cabin pivot angle β is changed.In suspension rod/arm interlock leveling pattern, constant and make Working cabin 50 become greater to β ' from β through keeping arm pivot angle α with respect to the pivot angle of arm 40, carry out the leveling of Working cabin 50.
As stated; In suspension rod/arm independence leveling pattern (referring to Fig. 6 (A)); Even identical in the tilt adjustment amount of suspension rod 30 and stroke and the suspension rod/arm independence leveling pattern (referring to Fig. 6 (B)), the position of Working cabin 50 on directions X or Z direction be also than the long w in suspension rod/arm interlock leveling pattern, and; In the hypothesis suspension rod/operating range of arm interlock leveling pattern on directions X or Z direction is under the situation of W2, and the operating range W1 that obtains in suspension rod/arm independence leveling pattern is than the long w of W2.Therefore, in the HV pattern, carry out turn-knob so that Working cabin 50 under situation about moving on directions X or the Z direction, through switching to suspension rod/arm independence leveling pattern, can obtain the operating range of broad at left and right directions updip pendulum suspension rod control lever 91 or to handle.
In the foregoing description 2, to each moving direction of Working cabin 50, that is, directions X, Y direction or Z direction are switched between suspension rod/arm interlock leveling pattern and suspension rod/arm independence leveling pattern automatically.Suspension rod/arm interlock leveling pattern makes Working cabin shake oil cylinder 47 and preferentially move, and is constant and Working cabin pivot angle β is changed with keeping arm pivot angle α.Suspension rod/arm independence leveling pattern makes arm shake oil cylinder 44 and preferentially moves, and is constant and make arm pivot angle α change to keep Working cabin pivot angle β.Therefore,, compare, can guarantee that Working cabin 50 moves the operating range with broad in the horizontal direction with vertical direction with existing aerial platform for the HV control ability of Working cabin 50.
For the switching between embodiment 2 middle hangers/arm interlock leveling pattern and the suspension rod/arm independence leveling pattern; For example; XYZ control selector switch 95 (referring to Fig. 3) can also be set, on directions X, Y direction and Z direction, can carry out the switching of suspension rod/arm interlock leveling pattern and suspension rod/arm independence leveling pattern respectively.In view of the above, for example, dwindle at needs under the situation of operating range, controller 80 can switch to suspension rod/arm interlock leveling pattern (referring to Fig. 6 (B)) to directions X and Z direction, and the Y direction is switched to suspension rod/arm independence leveling pattern (referring to Fig. 5 (B)).
In the aerial platform of above-mentioned embodiment; Can between suspension rod/arm interlock leveling pattern and suspension rod/arm independence leveling pattern, carry out manual switchover and automatic switchover respectively in embodiment 1 and among the embodiment 2; And can determine arm to shake oil cylinder 44 and shake which preferential action in the oil cylinder 47 with Working cabin; Therefore, under the situation of the burden that does not increase controller 80, can enlarge or dwindle the operating range of Working cabin 50.For example; Roughly be set at Working cabin pivot angle β under the situation of right angle and employing suspension rod/arm independence leveling pattern; Because it is constant that Working cabin pivot angle β can keep, so the what is called that moves up and down Working cabin 50 in the narrow and small in the horizontal direction operating area is rolled up operation and can be carried out efficiently.
The embodiment of aerial platform of the present invention has been described above, but scope of the present invention is not limited to above-mentioned embodiment.For example; In the above-described embodiment; Explained that mode selector (Pattern Select Switch 93) and leveling shifter (leveling selector switch 94) are the embodiment of tumbler switch, as long as but can carry out corresponding switching manipulation, other structure also can be adopted.The embodiment of the input media of when the HV pattern, suspension rod control lever 91 being imported as Working cabin 50 is moved on directions X, Y direction and Z direction has been described; But can use arm control lever 92 to wait the level in other control lever control operation cabins 50 mobile, the control lever that directions X control lever, Y steering rod and Z steering rod etc. are used for HV control can also be set respectively with vertically.In addition, handling device and nonessential be control lever, can also adopt other structure, for example switch etc.
In the above-described embodiment, illustrated example is that controller 80 is as control setup; The tilt adjustment of control suspension rod 30 moves with flexible so that Working cabin 50; And Control arm shakes oil cylinder 44 and Working cabin shakes oil cylinder 47 actions so that Working cabin 50 leveling still, also can be that Working cabin mobile controller and Working cabin leveling control setup are set respectively; Move in Working cabin mobile controller control operation cabin 50, cabin 50 leveling of Working cabin leveling control setup control operation.
In the aerial platform of above-mentioned embodiment; Illustrated example is; Suspension rod 30 is by bottom suspension rod 30a, middle suspension rod 30b and mutually nested the forming of terminal suspension rod 30c; Arm 40 comprises davit head 41, supporting member 42, arm body 43, first carrier bar 45 and second carrier bar 46, and still, suspension rod 30 also can be not limited to above-mentioned explanation with arm 40.In above-mentioned explanation; Illustrated example is; The arm that arm 40 is shaken with respect to suspension rod 30 is shaken oil cylinder 44 shake oil cylinder 47 with the Working cabin that Working cabin 50 is shaken with respect to arm 40 and be respectively equipped with control cock (arm shakes oil cylinder control cock 48 and shakes oil cylinder control cock 49 with Working cabin), still, the present invention is not limited to this; For example, arm shake oil cylinder 44 shake oil cylinder 47 with Working cabin can a shared control cock.
In addition; In the above-described embodiment, wheel fetalism aerial platform has been described, its moving body 10 comprises wheel fetalism wheel 11; But; Moving body is also nonessential to be to take turns the fetalism vehicle, for example, and the vehicle that the wheel that the present invention can also be applied to utilize the vehicle of crawler attachment walking or have walking is in orbit also walked in orbit.
The present invention of explanation obviously can be out of shape in many ways above.Such distortion is not counted as and deviates from the spirit and scope of the present invention, and conspicuous to those skilled in the art all modifications all should be included within the protection domain of claim.

Claims (5)

1. an aerial platform is characterized in that, comprising:
Moving body;
Suspension rod is contained in to its tilt adjustable on the said car body;
Boom angle is regulated oil cylinder, and it makes said suspension rod go up and down with respect to said car body;
Arm, it can vertically joltily be contained in the end of said suspension rod;
Arm shakes oil cylinder, and it vertically shakes said arm with respect to said suspension rod;
Working cabin, it can vertically joltily be contained in the end of said arm;
Working cabin shakes oil cylinder, and it vertically shakes said Working cabin with respect to said arm;
The leveling control setup; It is according to the tilt adjustment operation of said suspension rod; Make said arm shake oil cylinder and said Working cabin and shake one of oil cylinder and have precedence over that said arm shakes oil cylinder and said Working cabin shakes another action in the oil cylinder, keep horizontality to control said Working cabin.
2. aerial platform according to claim 1 is characterized in that, comprises the selection operation device, and it is operated to select said arm to shake oil cylinder or said Working cabin and shakes oil cylinder and preferentially move.
3. aerial platform according to claim 1 is characterized in that,
Said suspension rod telescopically is contained on the said car body,
Said aerial platform also comprises:
The suspension rod telescopic oil cylinder, it makes said suspension rod flexible;
The horizontal balance handling device, it is operated to said Working cabin along continuous straight runs and moves;
Vertical motion action device, it is operated to said Working cabin and vertically moves; And
Level/vertical motion control device; It is when said horizontal balance handling device or when vertically the motion action device is operated; According to said operated horizontal balance handling device or the vertically operation of motion action device; Make said boom angle regulate oil cylinder and the action of said suspension rod telescopic oil cylinder, move to control said Working cabin along continuous straight runs or vertical direction;
Wherein,
Said leveling control setup is selected said arm to shake oil cylinder or said Working cabin to shake oil cylinder and preferentially move; To all directions that said level/vertical motion control device moves said Working cabin said selecteed oil cylinder is preferentially moved then, keep horizontality to control said Working cabin.
4. aerial platform according to claim 3; It is characterized in that; Comprise the selection setting device, it preestablishes all directions that move said Working cabin and selects said arm to shake oil cylinder and said Working cabin by said leveling control setup to shake in the oil cylinder which.
5. aerial platform according to claim 3 is characterized in that,
When said horizontal balance handling device was operated, said leveling control setup was selected said arm to shake oil cylinder and makes said arm shake oil cylinder to have precedence over said Working cabin and shake cylinder action, keeps said horizontality to control said Working cabin; And
When said vertical motion action device was operated, said leveling control setup was selected said Working cabin to shake oil cylinder and makes said Working cabin shake oil cylinder to have precedence over said arm and shake cylinder action, keeps said horizontality to control said Working cabin.
CN201110186172.9A 2010-07-05 2011-07-05 Aerial lift vehicle Expired - Fee Related CN102311075B (en)

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JP5596442B2 (en) 2014-09-24

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