CN105347274B - A kind of aerial work platform - Google Patents
A kind of aerial work platform Download PDFInfo
- Publication number
- CN105347274B CN105347274B CN201510920632.4A CN201510920632A CN105347274B CN 105347274 B CN105347274 B CN 105347274B CN 201510920632 A CN201510920632 A CN 201510920632A CN 105347274 B CN105347274 B CN 105347274B
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- arm
- principal arm
- leveling
- hinged
- leveling cyclinder
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- 230000000694 effects Effects 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a kind of aerial work platform, including successively hinged turntable, arm, principal arm and workbench are folded, further includes leveling cyclinder under leveling cyclinder, principal arm on leveling hitch and principal arm, fold leveling cyclinder on arm and fold leveling cyclinder under arm.It folds leveling cyclinder under arm to be connected to the rod chamber for folding leveling cyclinder on arm, and the rodless cavity of the two is connected；Leveling cyclinder is connected to the rod chamber of leveling cyclinder on principal arm under principal arm, and the rodless cavity of the two is connected.Weight is replaced and big connected body using the leveling hitch of small structure, and it is convenient that the hinge of principal arm amplitude oil cylinder is arranged, cylinder diameter and bar diameter can significantly reduce.Meanwhile being leveled by the way of Double-hydraulic levelling mechanism, error is effectively reduced, levelling effect is improved, thus overall structure simple and stable, cost of manufacture reduces and has good levelling effect.
Description
Technical field
The present invention relates to field of aerial work, more particularly to a kind of aerial work platform.
Background technique
Aerial work platform is the lifting device for high altitude operation, crank type aerial working platform be it is one such,
It is designed using Multi-stage folding combination, is had the characteristics that compact-sized, steering is flexible, be may span across obstacle and carry out high-altitude work
Industry is therefore widely used in the fields such as architectural engineering, venue construction maintenance.During aerial working platform operation, in order to
Ensure operating efficiency and personal safety, workbench requires to be in horizontality always, it is therefore desirable to level to its folding arm.
Referring to FIG. 1, Fig. 1 is the structural schematic diagram of aerial work platform in the prior art.In the prior art, high-altitude
Job platform includes connector 01, connector leveling cyclinder 02 and folds arm amplitude oil cylinder 07, and when work makes connector 01 and ground
Face angle remains unchanged, and then principal arm 04 and workbench 06 is made to be maintained at horizontality.Connector 01 and connector leveling oil
02 structure size of cylinder must be sufficiently large, to carry the gravity and load of principal arm 04 and its above section, causes principal arm amplitude oil cylinder
08 installation site is limited, and cylinder diameter and bar diameter are larger.Simultaneously by the way of electrically leveling, detection angles, control leveling oil
Cylinder stretches, and keeps workbench holding horizontal, but this mode has leveling process and miss since sensor values are drifted about
Difference causes the huge structure of entire aerial work platform complicated, and leveling inaccuracy, manufacture difficulty is big, at high cost.
Therefore how to make aerial work platform simple and stable structure and there is good levelling effect to be those skilled in the art
The current technical issues that need to address of member.
Summary of the invention
The object of the present invention is to provide a kind of aerial work platform, makes its simple and stable structure and there is good leveling effect
Fruit.
In order to solve the above technical problems, the present invention provides a kind of aerial work platform, including successively hinged turntable, fold
Arm, principal arm and workbench further include amplitude oil cylinder for controlling the folding arm and principal arm rotation and described for leveling
The leveling cyclinder of workbench；
It further include being articulated with the leveling hitch for folding arm and the principal arm hinged place, the leveling cyclinder includes master
Leveling cyclinder under leveling cyclinder, principal arm on arm folds leveling cyclinder on arm and folds leveling cyclinder under arm；
The both ends of leveling cyclinder are respectively articulated with the workbench and the principal arm on the principal arm, level under the principal arm
The both ends of oil cylinder are respectively articulated with the principal arm and the leveling hitch, and the both ends for folding leveling cyclinder on arm are respectively articulated with
The leveling hitch and the folding arm, the both ends for folding leveling cyclinder under arm are respectively articulated with the folding arm and described
Turntable；
Leveling cyclinder is connected to the rod chamber of leveling cyclinder on the folding arm under the folding arm, and the rodless cavity of the two
It is connected；Leveling cyclinder is connected to the rod chamber of leveling cyclinder on the principal arm under the principal arm, and the rodless cavity of the two is connected
It is logical.
Preferably, the arm that folds includes first basic arm hinged with the turntable and hinged with the principal arm and can
Stretch out in the first telescopic arm of first basic arm；
One end of leveling cyclinder and the turntable are hinged under the folding arm, and the other end and first basic arm are hinged,
One end of leveling cyclinder and the leveling hitch are hinged on the folding arm, and the other end and first telescopic arm are hinged.
Preferably, the principal arm includes second basic arm hinged with the folding arm and hinged with the fly jib and can
Stretch out in the second telescopic arm of second basic arm；
One end of leveling cyclinder and the leveling hitch are hinged under the principal arm, and the other end and second basic arm are cut with scissors
It connects, one end of leveling cyclinder and second telescopic arm are hinged on the principal arm, and the other end and the workbench are hinged.
Preferably, described one end for folding the closely described principal arm of arm rest is hinged with the first luffing connecting rod, and the principal arm is close to institute
The one end for stating folding arm is hinged with the second luffing connecting rod, and the amplitude oil cylinder includes principal arm amplitude oil cylinder, the principal arm luffing oil
One end of cylinder and the principal arm are hinged, the other end while hingedly the first luffing connecting rod and the second luffing connecting rod.
Preferably, the workbench by fly jib and the principal arm it is hinged, on the principal arm one end of leveling cyclinder and
The principal arm is hinged, and the other end and the fly jib are hinged.
It preferably, further include chassis, turntable setting and the chassis top can simultaneously rotate, institute on the chassis
It states and is provided with transport wheel below chassis.
Preferably, the obliquity sensor for detecting the principal arm rotation angle is additionally provided on the principal arm.
Aerial work platform provided by the invention including successively hinged turntable, folds arm, principal arm and workbench, also
Including leveling cyclinder under leveling cyclinder, principal arm on leveling hitch and principal arm, folds on arm leveling cyclinder and fold arm and lower
Flat oil cylinder.It folds leveling cyclinder under arm to be connected to the rod chamber for folding leveling cyclinder on arm, and the rodless cavity of the two is connected；It is main
Leveling cyclinder is connected to the rod chamber of leveling cyclinder on principal arm under arm, and the rodless cavity of the two is connected.
In this way, fold arm up and down luffing when, fold arm under leveling cyclinder and fold arm on leveling cyclinder one
A contraction is extended, and extended length is equal to retraction length, folds leveling cyclinder on arm and drive leveling hitch rotation identical
Angle, and the rotation angle for leveling hitch is offset by the luffing of control principal arm amplitude oil cylinder, to guarantee principal arm and water
Plane included angle remains unchanged.When principal arm rotates luffing, one receipts of leveling cyclinder one elongation on leveling cyclinder and principal arm under principal arm
Contracting, and extended length is equal to retraction length, leveling cyclinder drives workbench to rotate identical angle on principal arm, so that work is flat
Platform angle with horizontal plane remains unchanged.Weight is replaced and big connected body using the leveling hitch of small structure, principal arm amplitude oil cylinder
Hinge arrange convenient, cylinder diameter and bar diameter can significantly reduce.Meanwhile being leveled by the way of Double-hydraulic levelling mechanism,
Error is effectively reduced, levelling effect is improved, thus overall structure simple and stable, cost of manufacture reduces and has good leveling
Effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of aerial work platform in the prior art；
Fig. 2 is a kind of structural schematic diagram of specific embodiment of aerial work platform provided by the present invention；
Fig. 3 is a kind of partial sectional view of specific embodiment of aerial work platform provided by the present invention.
Specific embodiment
Core of the invention is to provide a kind of aerial work platform, makes its simple and stable structure and has good leveling effect
Fruit.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 2 and Fig. 3 are please referred to, Fig. 2 is a kind of knot of specific embodiment of aerial work platform provided by the present invention
Structure schematic diagram；Fig. 3 is a kind of partial sectional view of specific embodiment of aerial work platform provided by the present invention.
The aerial work platform that the specific embodiment of the invention provides including successively hinged turntable 2, folds arm 3, principal arm
4 and workbench 6, further include both ends respectively with turntable 2 and fold the hinged folding arm amplitude oil cylinder 7 of arm 3, both ends respectively with folding
Folded arm 3 and the hinged principal arm amplitude oil cylinder 8 of principal arm 4.
Further include being articulated with the leveling hitch 13 for folding arm 3 and 4 hinged place of principal arm, further includes leveling cyclinder on principal arm
12, leveling cyclinder 11 under principal arm, fold leveling cyclinder 10 on arm and fold leveling cyclinder 9 under arm.Wherein, leveling cyclinder on principal arm
12 both ends are respectively articulated with workbench 6 and principal arm 4, and the both ends of leveling cyclinder 11 are respectively articulated with principal arm 4 and leveling connection under principal arm
Frame 13 is connect, the both ends for folding leveling cyclinder 10 on arm are respectively articulated with leveling hitch 13 and fold arm 3, fold leveling cyclinder under arm
9 both ends, which are respectively articulated with, folds arm 3 and turntable 2.
It folds the rod chamber of leveling cyclinder 9 under arm to be connected to the rod chamber for folding leveling cyclinder 10 on arm, and the nothing of the two
Rod cavity is connected；The rod chamber of leveling cyclinder 11 is connected to the rod chamber of leveling cyclinder 12 on principal arm under principal arm, and the nothing of the two
Rod cavity is connected.
In this way, it when folding the rotation luffing of arm 3, folds leveling cyclinder 9 under arm and folds leveling cyclinder 10 on arm
One elongation, one contraction, and extended length is equal to retraction length, folds leveling cyclinder 10 on arm and leveling hitch 13 is driven to revolve
Turn identical angle, and offset the rotation angle of leveling hitch 13 by the luffing of control principal arm amplitude oil cylinder 8, thus main
4 angle with horizontal plane of arm remains unchanged.Wherein, the control to principal arm amplitude oil cylinder 8 can be realized by setting obliquity sensor 16,
Obliquity sensor 16 is capable of the angle of real-time measurement principal arm 4 and ground, and then passes through the luffing of electrical control principal arm amplitude oil cylinder 8
Come offset leveling hitch 13 rotation angle, remain unchanged workbench 6 and the relative angle of horizontal plane.In hydraulic leveling
While electrically leveled, and pass through the adaptive leveling of leveling cyclinder 12 on leveling cyclinder 11 under concatenated principal arm and principal arm
The error of sensor is modified.Displacement sensor can also be used and realize electrical detection by calculating, of the invention
Within protection scope.
And folding 3 rotation position of arm only has minimum change angle and maximum change angle two states, only when folding arm 3
Just allow 4 luffing of principal arm when in the two positions.So folding 3 constant amplitude of arm when 4 luffing of principal arm, a set of of arm 3 is folded
Hydraulic leveling mechanism does not work, and a set of hydraulic leveling mechanism of only principal arm 4 works, when principal arm 4 rotates luffing, under principal arm
One contraction of leveling cyclinder 12 1 elongations on leveling cyclinder 11 and principal arm, and extended length is equal to retraction length, principal arm up-regulation
Flat oil cylinder 12 drives workbench 6 to rotate identical angle, so that 6 angle with horizontal plane of workbench remains unchanged.
Weight is replaced and big connected body using the leveling hitch 13 of small structure, the hinge arrangement side of principal arm amplitude oil cylinder 8
Just, cylinder diameter and bar diameter can significantly reduce.Meanwhile being leveled by the way of Double-hydraulic levelling mechanism, effectively reduce mistake
Difference improves levelling effect, thus overall structure simple and stable, cost of manufacture reduces and has good levelling effect.
In the aerial work platform that the specific embodiment of the invention provides, folding arm 3 may include the first basic arm 31
With the first telescopic arm 32, wherein the first basic arm 31 and turntable 2 are hinged, the first telescopic arm 32 and principal arm 4 are hinged, the first telescopic arm
32 can be flexible with respect to the first about 31 basic arm, then when aerial working platform operation, folds the not only amplitude-variable of arm 3, but also can freely stretch
Contracting, increases the height and flexibility of operation.Certainly, the cantilever crane that folds arm 3 or cannot stretch up and down, as long as being able to satisfy
Work requirements, it is within the scope of the present invention.
At this point, folding, one end of leveling cyclinder 9 and turntable 2 under arm are hinged, and the other end and the first basic arm 31 are hinged, fold
One end of leveling cyclinder 10 and leveling hitch 13 are hinged on arm, and the other end is located on the first telescopic arm 32.
In the aerial work platform that the specific embodiment of the invention provides, principal arm 4 may include 41 He of the second basic arm
Second telescopic arm 42, wherein the second basic arm 41 and folding arm 3 are hinged, the second telescopic arm 42 is hinged with workbench 6, and second stretches
Contracting arm 42 can be flexible with respect to the second about 41 basic arm, then when aerial working platform operation, the not only amplitude-variable of principal arm 3, but also can be free
It is flexible, increase the height and flexibility of operation.Certainly, principal arm 4 or non-retractable cantilever crane, in guarantor of the invention
Within the scope of shield.
At this point, one end of leveling cyclinder 11 and leveling hitch 13 are hinged under principal arm, the other end is located at the second basic arm 41
On, one end of leveling cyclinder 12 and workbench are hinged on principal arm, and the other end is located on 41 on the second telescopic arm.
It, can in order to keep the luffing of principal arm 4 more stable in the aerial work platform that the specific embodiment of the invention provides
To be hinged with the first luffing connecting rod 14 close to one end of principal arm 4 in folding arm 3, it is hinged in principal arm 4 close to the one end for folding arm 3
Second luffing connecting rod 15, one end of principal arm amplitude oil cylinder 8 and principal arm 4 are hinged, and the other end and the first luffing connecting rod 14 and second become
Width connecting rod 15 is articulated with a bit, i.e., principal arm amplitude oil cylinder 8 passes through the first luffing connecting rod 14 and the second luffing connecting rod 15 and folding arm 3
Connection.It is of course also possible to the first luffing connecting rod 14 and the second luffing connecting rod 15 are not provided with, directly by the another of principal arm amplitude oil cylinder 8
One end setting is on folding arm 3, within the scope of the present invention as long as can guarantee the normal luffing work of principal arm 4.
In the aerial work platform that the specific embodiment of the invention provides, turntable 2 can be mounted on chassis 1, be turned
Platform 2 can rotate on chassis 1, and turntable 2 can make aerial work platform relative to chassis 1 with wide-angle even 360 ° of rotations
At one can multi-faceted operation, operating area is bigger, more efficient；It is convenient in order to shift place, faster reach working region, it can
With the installation and transportation wheel under chassis.It can certainly be not provided with transport wheel, it is within the scope of the present invention.
In addition, can also be arranged between principal arm 4 and workbench 6 to improve the flexibility of complete machine small range operation
Fly jib 5, the both ends of fly jib 5 are hinged with principal arm 4 and workbench 6 respectively；At this point, one end of leveling cyclinder 12 and principal arm on principal arm
4 is hinged, the other end then be arranged on fly jib 5 and with fly jib 5 hingedly.In principal arm 4 and fold the case where 3 position of arm remains unchanged
Under, the position of workbench 6 is adjusted by the rotation energy small range of fly jib 5, adjustment more frame is fine and saves the energy.Certainly
It can be not provided with fly jib 4, it is within the scope of the present invention.
Aerial work platform provided by the present invention is described in detail above.Specific case pair used herein
The principle of the present invention and embodiment are expounded, method of the invention that the above embodiments are only used to help understand
And its core concept.It should be pointed out that for those skilled in the art, before not departing from the principle of the invention
It puts, can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the guarantor of the claims in the present invention
It protects in range.
Claims (6)
1. a kind of aerial work platform including successively hinged turntable, folds arm, principal arm and workbench, further includes for controlling
Make the amplitude oil cylinder of the folding arm and principal arm rotation and the leveling cyclinder for leveling the workbench；
It is characterized in that, further include being articulated with the leveling hitch for folding arm and the principal arm hinged place, the leveling oil
Cylinder includes leveling cyclinder on principal arm, leveling cyclinder under principal arm, folds leveling cyclinder on arm and fold leveling cyclinder under arm；
The both ends of leveling cyclinder are respectively articulated with the workbench and the principal arm, leveling cyclinder under the principal arm on the principal arm
Both ends be respectively articulated with the principal arm and the leveling hitch, the both ends for folding leveling cyclinder on arm are respectively articulated with described
Hitch and the folding arm are leveled, the both ends for folding leveling cyclinder under arm are respectively articulated with the folding arm and described turn
Platform；
Leveling cyclinder is connected to the rod chamber of leveling cyclinder on the folding arm under the folding arm, and the rodless cavity of the two is connected
It is logical；Leveling cyclinder is connected to the rod chamber of leveling cyclinder on the principal arm under the principal arm, and the rodless cavity of the two is connected；Institute
Stating amplitude oil cylinder includes principal arm amplitude oil cylinder, and the inclination angle sensing for detecting the principal arm rotation angle is additionally provided on the principal arm
Device；The obliquity sensor is capable of the angle of principal arm and ground described in real-time measurement, and then is become by principal arm described in electrical control
The luffing of width oil cylinder come offset it is described leveling hitch rotation angle, make the relative angle of the workbench and horizontal plane protect
It holds constant.
2. aerial work platform according to claim 1, which is characterized in that the folding arm includes hinged with the turntable
The first basic arm and the first telescopic arm hinged with the principal arm and that first basic arm can be stretched out in；
One end of leveling cyclinder and the turntable are hinged under the folding arm, and the other end and first basic arm are hinged, described
One end of leveling cyclinder and the leveling hitch are hinged on folding arm, and the other end and first telescopic arm are hinged.
3. aerial work platform according to claim 2, which is characterized in that the principal arm includes hinged with the folding arm
The second basic arm and the second telescopic arm hinged with fly jib and that second basic arm can be stretched out in；
One end of leveling cyclinder and the leveling hitch are hinged under the principal arm, and the other end and second basic arm are hinged,
One end of leveling cyclinder and second telescopic arm are hinged on the principal arm, and the other end and the workbench are hinged.
4. aerial work platform according to claim 3, which is characterized in that described one end for folding the closely described principal arm of arm rest
It is hinged with the first luffing connecting rod, the principal arm is hinged with the second luffing connecting rod close to described one end for folding arm, and the principal arm becomes
One end of width oil cylinder and the principal arm are hinged, the other end while hingedly the first luffing connecting rod and the second luffing connecting rod.
5. aerial work platform according to claim 4, which is characterized in that the workbench passes through fly jib and the master
Arm is hinged, and one end of leveling cyclinder and the principal arm are hinged on the principal arm, and the other end and the fly jib are hinged.
6. aerial work platform according to claim 1, which is characterized in that it further include chassis, the turntable setting and institute
It states above chassis and can be rotated on the chassis, transport wheel is provided with below the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920632.4A CN105347274B (en) | 2015-12-11 | 2015-12-11 | A kind of aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920632.4A CN105347274B (en) | 2015-12-11 | 2015-12-11 | A kind of aerial work platform |
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| CN105347274A CN105347274A (en) | 2016-02-24 |
| CN105347274B true CN105347274B (en) | 2019-03-05 |
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| CN201510920632.4A Active CN105347274B (en) | 2015-12-11 | 2015-12-11 | A kind of aerial work platform |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553972A (en) * | 2017-01-22 | 2017-04-05 | 徐州徐工施维英机械有限公司 | turntable and engineering machinery |
| CN108275587A (en) * | 2018-03-26 | 2018-07-13 | 浙江三装备有限公司 | Super-starting balance weight luffing device and crane |
| CN108394847A (en) * | 2018-05-11 | 2018-08-14 | 浙江鼎力机械股份有限公司 | It is capable of the aerial work platform and its fast lifting method of fast lifting |
| CN109760757A (en) * | 2018-12-18 | 2019-05-17 | 湖北省农业机械工程研究设计院 | One kind is transported for Hills woods fruit, can self-leveling trolley |
| CN112960614B (en) * | 2021-03-22 | 2022-08-23 | 徐工消防安全装备有限公司 | Leveling method of aerial work platform and aerial work platform |
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| US4754840A (en) * | 1987-10-07 | 1988-07-05 | Jlg Industries, Inc. | Leveling assembly for work platforms on articulating booms |
| US4754840B1 (en) * | 1987-10-07 | 1997-01-14 | Jlg Ind Inc | Leveling assembly for work platforms on articulating booms |
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| Publication number | Publication date |
|---|---|
| CN105347274A (en) | 2016-02-24 |
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