CN107253695A - Aerial lift device and its fly jib system - Google Patents
Aerial lift device and its fly jib system Download PDFInfo
- Publication number
- CN107253695A CN107253695A CN201710706619.8A CN201710706619A CN107253695A CN 107253695 A CN107253695 A CN 107253695A CN 201710706619 A CN201710706619 A CN 201710706619A CN 107253695 A CN107253695 A CN 107253695A
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- fly jib
- leveling
- hinged
- luffing
- oil cylinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000002035 prolonged effect Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 31
- 230000008859 change Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 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
- B66F11/044—Working platforms suspended from booms
-
- 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
- B66F13/00—Common constructional features or accessories
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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)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of fly jib system of aerial lift device, including principal arm, fly jib main body, platform assembly, amplitude oil cylinder, luffing bindiny mechanism, leveling cyclinder and leveling bindiny mechanism, the head end of amplitude oil cylinder is hinged principal arm, luffing bindiny mechanism is hinged the end of principal arm simultaneously, the end of amplitude oil cylinder and the head end of fly jib main body, the head end of leveling cyclinder is hinged fly jib main body, leveling bindiny mechanism is hinged the end of fly jib main body simultaneously, the end of leveling cyclinder and the bottom of platform assembly, the rod chamber of amplitude oil cylinder connects the rodless cavity of leveling cyclinder, the rodless cavity of amplitude oil cylinder is connected with the rod chamber of leveling cyclinder.Platform is set to rise act space and the scope of height operation and region wider bigger.Avoid controlling using sensor power-up gas system program, simplied system structure, it is ensured that personal security.Fly jib light structure, structural strength has good stability.Include the aerial lift device of above-mentioned fly jib system the invention also discloses a kind of.
Description
Technical field
The present invention relates to field of aerial work, the fly jib system of more particularly to a kind of aerial lift device.In addition, this hair
It is bright to further relate to a kind of include the aerial lift device of above-mentioned fly jib system.
Background technology
Application of the high-altitude operation engineering machinery such as social aerial work platform, high-altitude operation vehicle in production, life now
It is more and more extensive.High-altitude operation engineering machinery, which generally all has, is used for manned or loading workbench, and people or object are sent
The position height of upper needs.Fly jib main body can be connected between principal arm and platform assembly, be a kind of small-sized back work arm,
Workbench can be manipulated do and move up and down by a small margin, make descending operation more accurate, flexibly.
In lifting process, platform is rotated relative to fly jib, platform is remained horizontality, because four-bar mechanism is special
Property limitation, the change angle of fly jib is small, rises platform and lifts space and height is restricted.Fly jib needs to be connected with leveling system
Connect.Principal arm and fly jib are in luffing, and both must have relative linkage, are to ensure by horizon sensor, if sensor failure can be led
Cause workbench run-off the straight, reduction operational comfort and the safety for threatening operating personnel.Fly jib present position is to structure light weight
Change and require higher, the anti-side sway ability of structure is weak, and deflection is big.Fly jib up and down luffing in place when it is small by structure hinge displacement,
Area sensitive, the comfortableness of operating personnel is reduced during operation in this region easily by greater impact.
Therefore, how to provide a kind of fly jib system of stable safety is the technology that those skilled in the art need to solve at present
Problem.
The content of the invention
It is an object of the invention to provide a kind of fly jib system of aerial lift device, change angle and stable safety are improved.
Include the aerial lift device of above-mentioned fly jib system it is a further object of the present invention to provide a kind of, improve change angle and stable peace
Entirely.
In order to solve the above technical problems, the present invention provides a kind of fly jib system of aerial lift device, including principal arm, fly jib
Main body, platform assembly, amplitude oil cylinder, luffing bindiny mechanism, leveling cyclinder and leveling bindiny mechanism, the head end of the amplitude oil cylinder
It is hinged the principal arm, the luffing bindiny mechanism is hinged the end of the principal arm, the end of the amplitude oil cylinder and described simultaneously
The head end of fly jib main body, the head end of the leveling cyclinder is hinged the fly jib main body, and the leveling bindiny mechanism is hinged institute simultaneously
State the bottom of the end, the end of the leveling cyclinder and the platform assembly of fly jib main body, the rod chamber of the amplitude oil cylinder
The rodless cavity of the leveling cyclinder is connected, the rodless cavity of the amplitude oil cylinder is connected with the rod chamber of the leveling cyclinder.
Preferably, the luffing bindiny mechanism connects including principal arm extension, fly jib extension, luffing connecting rod and luffing two
The head end of the fly jib main body is fixedly connected with the middle part of bar, the fly jib extension, the head end of the principal arm extension, which is fixed, to be connected
The end of the principal arm is connect, the end of the principal arm extension is hinged the head end of the fly jib extension, the connecting rod of luffing two
Head end be hinged the end of the amplitude oil cylinder, the end of the connecting rod of luffing two is hinged the end of the fly jib extension, institute
The one end for stating luffing connecting rod is hinged the middle part of the principal arm extension, and the other end of the luffing connecting rod is hinged the company of luffing two
The middle part of bar.
Preferably, the leveling bindiny mechanism connects including body extending portion, prolonged plateau portion, leveling linkage and leveling two
Bar, the head end in the body extending portion is fixedly connected with the end of the fly jib main body, and the end in the body extending portion is hinged institute
The head end in prolonged plateau portion is stated, the end in the prolonged plateau portion is fixedly connected with the bottom of the platform assembly, the leveling two
The head end of connecting rod is hinged the end of the leveling cyclinder, and the end of the connecting rod of leveling two is hinged in the prolonged plateau portion
Portion, one end of the leveling linkage is hinged the middle part in the body extending portion, and the other end of the leveling linkage is hinged the tune
The middle part of flat two connecting rods.
Preferably, the external part of the amplitude oil cylinder is hinged the head end of the connecting rod of luffing two, and the leveling cyclinder is stretched
Go out the head end that end is hinged the connecting rod of leveling two.
Preferably, the amplitude oil cylinder is arranged at the inside of the principal arm end, and the leveling cyclinder is arranged at described fly
The inside of arm body ends.
Preferably, it is respectively provided with the middle part of the fly jib main body, in the middle part of the connecting rod of the luffing two and in the middle part of the connecting rod of the leveling two
There is bending.
Preferably, it is provided with angle detector in the luffing bindiny mechanism and the leveling bindiny mechanism.
The present invention also provides a kind of aerial lift device, including arm support and the fly jib system for being installed on the arm support, institute
It is specially the fly jib system described in above-mentioned any one to state fly jib system.
The present invention provides a kind of fly jib system of aerial lift device, including principal arm, fly jib main body, platform assembly, luffing
Oil cylinder, luffing bindiny mechanism, leveling cyclinder and leveling bindiny mechanism, the head end of amplitude oil cylinder are hinged principal arm, luffing bindiny mechanism
The head end of the end of principal arm, the end of amplitude oil cylinder and fly jib main body is hinged simultaneously, and the head end of leveling cyclinder is hinged fly jib main body,
Leveling bindiny mechanism is hinged the bottom of the end of fly jib main body, the end of leveling cyclinder and platform assembly simultaneously, amplitude oil cylinder
Rod chamber connects the rodless cavity of leveling cyclinder, and the rodless cavity of amplitude oil cylinder is connected with the rod chamber of leveling cyclinder.
By the mode of communicating and the articulated position of Liang Ge bindiny mechanisms of two oil cylinders, wide-angle automatic leveling is realized, is flown
The change angle of arm is wider bigger up in a big way, making platform rise act space and the scope of height operation and region.Avoid making
Controlled with sensor power-up gas system program, simplied system structure, it is ensured that personal security.Fly jib light structure, structural strength is steady
It is qualitative good.
The present invention also provide it is a kind of include the aerial lift device of above-mentioned fly jib system, due to above-mentioned fly jib system have it is upper
Technique effect is stated, above-mentioned aerial lift device should also have same technique effect, no longer be discussed in detail herein.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of fly jib system provided by the present invention；
Fig. 2 is a kind of different working condition schematic diagram of embodiment of fly jib system provided by the present invention.
Embodiment
The core of the present invention is to provide a kind of fly jib system of aerial lift device, improves change angle and stable safety.
Another core of the present invention be to provide it is a kind of include the aerial lift device of above-mentioned fly jib system, improve change angle and stable pacify
Entirely.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 and Fig. 2 are refer to, Fig. 1 shows for a kind of structure of embodiment of fly jib system provided by the present invention
It is intended to；Fig. 2 is a kind of different working condition schematic diagram of embodiment of fly jib system provided by the present invention.
In the fly jib system that the specific embodiment of the invention is provided, including principal arm 1, fly jib main body 2, platform assembly 3, change
Width oil cylinder 4, luffing bindiny mechanism, leveling cyclinder 5 and leveling bindiny mechanism, the head end of amplitude oil cylinder 4 are hinged principal arm 1, and luffing connects
Connection mechanism is hinged the head end of the end, the end of amplitude oil cylinder 4 and fly jib main body 2 of principal arm 1, the head end hinge of leveling cyclinder 5 simultaneously
Fly jib main body 2 is connect, leveling bindiny mechanism is hinged the end, the end of leveling cyclinder 5 and platform assembly 3 of fly jib main body 2 simultaneously
Bottom, the rod chamber of amplitude oil cylinder 4 connects the rodless cavity of leveling cyclinder 5, the rodless cavity of amplitude oil cylinder 4 and having for leveling cyclinder 5
Rod cavity connects pressure source.The wherein each one end of part away from platform assembly 3 is head end, is end close to one end of platform assembly 3.
Specifically, luffing bindiny mechanism includes principal arm extension 6, fly jib extension 7, luffing connecting rod 8 and the connecting rod of luffing two
9, the middle part of fly jib extension 7 is fixedly connected with the head end of fly jib main body 2, and the head end of principal arm extension 6 is fixedly connected with the end of principal arm 1
End, the end of principal arm extension 6 is hinged the head end of fly jib extension 7, and pin joint is F, and the head end of the connecting rod 9 of luffing two is hinged luffing
The end of oil cylinder 4, pin joint is B, and the head end of amplitude oil cylinder 4 is hinged principal arm 1, and pin joint is A, the end hinge of the connecting rod 9 of luffing two
The end of fly jib extension 7 is connect, pin joint is E, and one end of luffing connecting rod 8 is hinged the middle part of principal arm extension 6, and pin joint is D,
The other end of luffing connecting rod 8 is hinged the middle part of the connecting rod 9 of luffing two, and pin joint is C.Pin joint A, B, C and E form one it is variable
Quadrilateral structure ABCE, pin joint C, E, F and D-shaped pass through stretching for amplitude oil cylinder 4 into another variable quadrilateral structure CEFD
Contracting changes the distance between A and B so as to change quadrangle ABCE shape, and then changes CEFD shape, E is turned around F
It is dynamic, so that fly jib main body 2 is rotated, reach the purpose of lifting.
Leveling bindiny mechanism includes body extending portion 10, prolonged plateau portion 11, leveling linkage 12 and the connecting rod 13 of leveling two, main
The head end in body extension portion 10 is fixedly connected with the end of fly jib main body 2, the end articulated platform extension 11 in body extending portion 10
Head end, pin joint is M, and the end in prolonged plateau portion 11 is fixedly connected with the bottom of platform assembly 3, the head end hinge of the connecting rod 13 of leveling two
The end of leveling cyclinder 5 is connect, pin joint is I, and the head end of leveling cyclinder 5 is hinged fly jib main body 2, and pin joint is H, the connecting rod of leveling two
The middle part of 13 end articulated platform extension 11, during pin joint is L, one end hinge body extension 10 of leveling linkage 12
Portion, pin joint is K, and the other end of leveling linkage 12 is hinged the middle part of the connecting rod 13 of leveling two, and pin joint is J.Pin joint H, I, J and
K forms a variable quadrilateral structure HIJK, and pin joint J, L, M and K form another variable quadrilateral structure JLMK, leads to
The distance between flexible change H and I of leveling cyclinder 5 is crossed so as to change quadrangle HIJK shape, and then changes JLMK shape
Shape, enables L to be rotated around M, so that platform assembly 3 is rotated.
Further, the external part of amplitude oil cylinder 4 is hinged the head end of the connecting rod 9 of luffing two, and the external part of leveling cyclinder 5 is hinged
The head end of the connecting rod 13 of leveling two, or Opposite direction connection is used, adjust control method.
Due to ABCE and two quadrangles of CEFD structure similar in appearance to HIJK and two quadrangles of JLMK structure, and due to
The mode of communicating of two oil cylinders, forms series relationship, when amplitude oil cylinder 4 is stretched out, the hydraulic oil in the rod chamber of amplitude oil cylinder 4
It can enter in the rodless cavity of leveling cyclinder 5, both volumetric ratios are consistent, cause amplitude oil cylinder 4 and the overhang phase of leveling cyclinder 5
Together, and because quadrilateral structure is similar, the change angle that amplitude oil cylinder 4 stretches out driving fly jib main body 2 stretches out equal to leveling cyclinder 5
Drive the rotational angle of platform assembly 3, it is possible to which when ensureing that fly jib main body 2 is rotated, its platform assembly 3 can be remained automatically
Level, realizes automatic leveling, principle is consistent when oil cylinder is retracted.
Wherein each extension can be set with corresponding arm support integral type, and also detachable is set, in order to realize above-mentioned functions,
Need to be provided with bending at the middle part of fly jib main body 2, the middle part of two connecting rod of luffing 9 and the middle part of two connecting rod of leveling 13, and control each bar
The length of part, also can according to circumstances adjust the size and dimension of each part, within protection scope of the present invention.
Also the luffing bindiny mechanism and leveling bindiny mechanism of other structures can be used, pin joint formation can be made similar two-by-two
Quadrilateral structure.
By the mode of communicating and the articulated position of Liang Ge bindiny mechanisms of two oil cylinders, wide-angle automatic leveling is realized, is flown
The change angle of arm main body 2 is wider more up in a big way, making 3 liters of platform assembly lift space and the scope of height operation and region
Greatly.Avoid controlling using sensor power-up gas system program, simplied system structure, it is ensured that personal security.The structure of fly jib main body 2 is light
Ingeniously, structural strength has good stability.The bottom of principal arm 1 can be gone back to, can luffing in the larger context, while being not take up vehicle
Length.
In order to further improve device security, amplitude oil cylinder 4 is arranged at the inside of the end of principal arm 1, and leveling cyclinder 5 is set
Inside in the end of fly jib main body 2.
On the basis of the fly jib system that above-mentioned each embodiment is provided, luffing bindiny mechanism and leveling bindiny mechanism
On be provided with angle detector, operation angle can be detected, stability and security is further improved.
Except above-mentioned fly jib system, embodiment of the invention, which is also provided, a kind of includes the high-altitude of above-mentioned fly jib system
Implement, the structure of other each several parts of the aerial lift device refer to prior art, repeat no more herein.
Aerial lift device provided by the present invention and its fly jib system are described in detail above.It is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands
The method and its core concept of the present invention.It should be pointed out that for those skilled in the art, not departing from this
On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the present invention
In scope of the claims.
Claims (8)
1. the fly jib system of a kind of aerial lift device, it is characterised in that including principal arm (1), fly jib main body (2), platform assembly
(3), amplitude oil cylinder (4), luffing bindiny mechanism, leveling cyclinder (5) and leveling bindiny mechanism, the head end of the amplitude oil cylinder (4)
The principal arm (1) is hinged, the luffing bindiny mechanism is hinged end, the end of the amplitude oil cylinder (4) of the principal arm (1) simultaneously
End and the head end of the fly jib main body (2), the head end of the leveling cyclinder (5) are hinged the fly jib main body (2), and the leveling connects
Connection mechanism is hinged the end, the end of the leveling cyclinder (5) and the platform assembly (3) of the fly jib main body (2) simultaneously
Bottom, the rod chamber of the amplitude oil cylinder (4) connects the rodless cavity of the leveling cyclinder (5), the amplitude oil cylinder (4) without bar
Chamber is connected with the rod chamber of the leveling cyclinder (5).
2. fly jib system according to claim 1, it is characterised in that the luffing bindiny mechanism includes principal arm extension
(6) it is fixedly connected in the middle part of, fly jib extension (7), luffing connecting rod (8) and the connecting rod of luffing two (9), the fly jib extension (7)
The head end of the fly jib main body (2), the head end of the principal arm extension (6) is fixedly connected with the end of the principal arm (1), the master
The end of arm extension (6) is hinged the head end of the fly jib extension (7), and the head end of the connecting rod of luffing two (9) is hinged described
The end of amplitude oil cylinder (4), the end of the connecting rod of luffing two (9) is hinged the end of the fly jib extension (7), the luffing
One end of connecting rod (8) is hinged the middle part of the principal arm extension (6), and the other end of the luffing connecting rod (8) is hinged the luffing
The middle part of two connecting rods (9).
3. fly jib system according to claim 2, it is characterised in that the leveling bindiny mechanism includes body extending portion
(10), prolonged plateau portion (11), leveling linkage (12) and the connecting rod of leveling two (13), the head end of the body extending portion (10) are fixed
The end of the fly jib main body (2) is connected, the end of the body extending portion (10) is hinged the head of the prolonged plateau portion (11)
End, the end of the prolonged plateau portion (11) is fixedly connected with the bottom of the platform assembly (3), the connecting rod of leveling two (13)
Head end is hinged the end of the leveling cyclinder (5), and the end of the connecting rod of leveling two (13) is hinged the prolonged plateau portion (11)
Middle part, one end of the leveling linkage (12) is hinged the middle part of the body extending portion (10), the leveling linkage (12)
The other end is hinged the middle part of the connecting rod of leveling two (13).
4. fly jib system according to claim 3, it is characterised in that the external part of the amplitude oil cylinder (4) is hinged described
The head end of the connecting rod of luffing two (9), the external part of the leveling cyclinder (5) is hinged the head end of the connecting rod of leveling two (13).
5. fly jib system according to claim 4, it is characterised in that the amplitude oil cylinder (4) is arranged at the principal arm (1)
The inside of end, the leveling cyclinder (5) is arranged at the inside of fly jib main body (2) end.
6. fly jib system according to claim 5, it is characterised in that fly jib main body (2) middle part, the luffing two connect
Bending is provided with the middle part of bar (9) and in the middle part of the connecting rod of leveling two (13).
7. the fly jib system according to claim 1 to 6 any one, it is characterised in that the luffing bindiny mechanism and institute
State and be provided with angle detector in leveling bindiny mechanism.
8. a kind of aerial lift device, including arm support and the fly jib system for being installed on the arm support, it is characterised in that described to fly
Arm system is specially the fly jib system described in claim 1 to 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706619.8A CN107253695B (en) | 2017-08-17 | 2017-08-17 | Aerial working equipment and fly arm system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706619.8A CN107253695B (en) | 2017-08-17 | 2017-08-17 | Aerial working equipment and fly arm system thereof |
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| Publication Number | Publication Date |
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| CN107253695A true CN107253695A (en) | 2017-10-17 |
| CN107253695B CN107253695B (en) | 2023-11-17 |
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| CN201710706619.8A Active CN107253695B (en) | 2017-08-17 | 2017-08-17 | Aerial working equipment and fly arm system thereof |
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Cited By (2)
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| CN112723268A (en) * | 2020-12-28 | 2021-04-30 | 湖南中联重科智能高空作业机械有限公司 | High-altitude operation machine load and overload determining method and device and high-altitude operation machine |
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| CN112723268A (en) * | 2020-12-28 | 2021-04-30 | 湖南中联重科智能高空作业机械有限公司 | High-altitude operation machine load and overload determining method and device and high-altitude operation machine |
| CN114457734A (en) * | 2022-04-13 | 2022-05-10 | 徐州徐工环境技术有限公司 | Multi-degree-of-freedom foldable arm support device for wall surface cleaning |
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