CN108502752A - A kind of multistage luffing and flexible foldable arm support - Google Patents
A kind of multistage luffing and flexible foldable arm support Download PDFInfo
- Publication number
- CN108502752A CN108502752A CN201810502970.XA CN201810502970A CN108502752A CN 108502752 A CN108502752 A CN 108502752A CN 201810502970 A CN201810502970 A CN 201810502970A CN 108502752 A CN108502752 A CN 108502752A
- Authority
- CN
- China
- Prior art keywords
- arm
- telescopic arm
- eagle
- foundation frame
- mouth type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 210000002221 olecranon process Anatomy 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The present invention relates to a kind of multistage luffings and flexible foldable arm support.The setting of second telescopic arm in the present invention is exaggerated the work range and change angle of a whole set of boom system under the premise of not reducing the first telescopic arm height.When arm support is unfolded, if free space is limited at low latitude, the first jib lubbing mechanism can be first used to increase the angle of the first telescopic arm and horizontal plane, each joint arm sequence in the first telescopic arm is controlled again to stretch out, the second jib lubbing mechanism is controlled later increases angle between the second telescopic arm and the first telescopic arm, each joint arm sequence finally controlled in the second telescopic arm is stretched out, to realize the complete opening of foldable arm support.Thus, the setting of the second jib lubbing mechanism reduces the flexible required space of foldable arm support so that the present invention can realize big luffing in small space.
Description
Technical field
The present invention relates to a kind of multistage luffings and flexible foldable arm support.
Background technology
Arm support equipment by luffing realize amplitude and angular adjustment, special installation or certain equipment because height, space and
Using needs, multiple continuous amplitude transforming is needed（As high-altitude operation vehicle, folding-jib lorry-mounted crane, road and bridge detection vehicle, military unmanned air vehicle return
Receiving unit etc.）With it is flexible, simultaneously because bulk（Such as vehicle traveling and transport）It limits.Road driving country should be met
Standard requirement when realizing big luffing in small space again, is needed to consider dead point, torque, installation and stability etc., is often not easy
It realizes.
Invention content
The purpose of the present invention is to provide a kind of multistage luffings that big luffing can be realized in small space and flexible can
Foldable arm rack.
To achieve the above object, multistage luffing of the invention uses following technical scheme with flexible foldable arm support：
Multistage luffing and flexible foldable arm support, including turntable, the first telescopic arm, the second telescopic arm, the first jib lubbing mechanism with
Second jib lubbing mechanism, the first telescopic arm are hinged on turntable, and the first jib lubbing mechanism is for driving the first telescopic arm in vertical plane
The angle of the first telescopic arm and horizontal plane is rotated and adjusts, the both ends of the first jib lubbing mechanism are respectively hinged at the base of the first telescopic arm
For this arm on turntable, the basic arm of the second telescopic arm is mounted on the end of the first telescopic arm by the second jib lubbing mechanism, and second becomes
Width mechanism is used to drive the second telescopic arm in vertical rotation in surface and adjusts the angle between the second telescopic arm and horizontal plane.
Second jib lubbing mechanism is link mechanism, specifically includes pulling plate, supporting rack, tripod, Eagle-mouth type truss foundation frame, pushes away
Bar and amplitude oil cylinder, the head end of Eagle-mouth type truss foundation frame are mounted on the end of the first telescopic arm, Eagle-mouth type truss foundation frame
End is hinged with tripod and supporting rack respectively at different location, and one end of push rod is hinged in the second telescopic arm basic arm
Pulling plate is hinged between portion, the other end and tripod, the end of the second telescopic arm basic arm is hinged on Eagle-mouth type truss foundation frame
Olecranon end, supporting rack is hinged between pull rod and Eagle-mouth type truss foundation frame, and amplitude oil cylinder is hinged on another angle of tripod
Between the head end of Eagle-mouth type truss foundation frame；Amplitude oil cylinder, the first side of tripod, amplitude oil cylinder and Eagle-mouth type truss foundation frame
Hinge constitute a variable delta link to line between tripod and the hinge of Eagle-mouth type truss foundation frame；Triangle
Frame constitutes a fixed triangle shape connecting rod；Push rod, the second telescopic arm basic arm and Eagle-mouth type truss foundation frame hinge are to push rod
With the second telescopic arm basic arm hinge line, the second telescopic arm basic arm and Eagle-mouth type truss foundation frame hinge to supporting rack and hawk
Line, the supporting rack of mouth formula truss foundation frame arm head hinge constitute a quadrilateral connecting rod；Supporting rack, pulling plate, tripod
On one side, tripod and Eagle-mouth type truss foundation frame hinge are constituted to the line of supporting rack and Eagle-mouth type truss foundation frame arm head hinge
Another quadrilateral connecting rod..
First telescopic arm includes single oil cylinder with the second telescopic arm and single oil cylinder sequence is stretched out or that retracts stretches for driving
Contracting mechanism, telescoping mechanism are set to the outside of corresponding telescopic arm.
The luffing of first jib lubbing mechanism and the second jib lubbing mechanism by hydraulic control, telescoping mechanism it is flexible also by hydraulic pressure system
System control.
Beneficial effects of the present invention are as follows：The first telescopic arm height is not being reduced in the setting of second telescopic arm in the present invention
Under the premise of, it is exaggerated the work range and change angle of a whole set of boom system.When arm support is unfolded, if free space at low latitude
It is limited, it can first use the first jib lubbing mechanism to increase the angle of the first telescopic arm and horizontal plane, then control and respectively saved in the first telescopic arm
Arm sequence is stretched out, and is controlled the second jib lubbing mechanism later and is increased angle between the second telescopic arm and the first telescopic arm, finally controls the
Each joint arm sequence in two telescopic arms is stretched out, to realize the complete opening of foldable arm support.Thus, the second jib lubbing mechanism
Setting reduce the flexible required space of foldable arm support so that the present invention can realize big luffing in small space.
Description of the drawings
When Fig. 1 is installed on the car body for one embodiment of a kind of multistage luffing and flexible foldable arm support of the present invention
Structural schematic diagram；
Fig. 2 is the structural schematic diagram after the foldable arm rack in Fig. 1 folds completely；
Fig. 3 is the vertical view of Fig. 2；
Fig. 4 is the structural schematic diagram that multi link amplifies jib lubbing mechanism in Fig. 1；
Fig. 5 is the structure rough schematic view of Fig. 4.
In figure, 1 first telescopic arm, 11 5 joint arms, 12 4 joint arms, 13 three joint arms, 14 2 joint arms, 15 1 joint arms,
16 telescoping mechanisms, 17 arm head pulley blocks, 18 suspension hooks, 19 turntables；
2 second telescopic arms, 21 Top Crossbeam basic arms, 22 Top Crossbeam, two joint arm, 23 Top Crossbeam telescoping mechanisms；
3 first jib lubbing mechanisms；4 second jib lubbing mechanisms；5 car bodies；41 pulling plates, 42 supporting racks, 43 tripods, 44 olecranons
Formula truss foundation frame, 45 push rods, 46 amplitude oil cylinders.
Specific implementation mode
The embodiment of the multistage luffing of the present invention and flexible foldable arm support：
The multistage luffing of the present invention and the concrete structure of the foldable arm support to stretch are as shown in Figures 1 to 5, and when use can be mounted on
Using car body 5 as carrier on car body 5.Foldable arm support meets vehicle road driving requirements when being in full retracted state, at this time structure
As shown in Figures 2 and 3.Foldable arm support is in complete and meets use environment and working condition requirement when stretching out state, and structure is as schemed at this time
Shown in 1.
As shown in Figure 1, multistage luffing and flexible foldable arm support include the first telescopic arm 1 and the second telescopic arm 2, also wrap
Include the first jib lubbing mechanism 3 and the second jib lubbing mechanism 4.First jib lubbing mechanism 3 is for driving the first telescopic arm 1 in vertical rotation in surface
To change the angle of the first telescopic arm 1 and horizontal plane, the second jib lubbing mechanism 4 turns for driving the second telescopic arm 1 in vertical plane
The dynamic angle with the second telescopic arm of change 2 and horizontal plane.
First telescopic arm 1 is hinged on turntable 19, including five joint arms 11, four joint arms 12, three joint arms 13, two joint arms 14, one
Joint arm 15 and telescoping mechanism 16, per joint arm by the hydraulic oil cylinder driving in telescoping mechanism 16, telescoping mechanism 16 is placed in the first telescopic arm
Outside.Telescoping mechanism 16 can drive the sequence of each joint arm in the first telescopic arm 1 to stretch out or sequentially retract.First telescopic arm 1
Five joint arms, 11 end is equipped with the arm head pulley blocks 17 for hanging suspension hook 18.
First jib lubbing mechanism 3 has two groups and 19 both sides of turntable that are placed in, and the both ends of the first jib lubbing mechanism 3, which are respectively hinged at, to be turned
On 19 bottom of platform and a joint arm 15.In the present embodiment, the first jib lubbing mechanism 3 is hydraulic cylinder, and effect is to adjust the first luffing
The work range of mechanism 3.
Second telescopic arm 2 includes two joint arm 22 of Top Crossbeam basic arm 21 and Top Crossbeam, further includes for driving Top Crossbeam two
The Top Crossbeam telescoping mechanism 23 of 22 stretching motion of joint arm.Top Crossbeam telescoping mechanism 23 is arranged in the outside of the second telescopic arm 2.
Second jib lubbing mechanism 4 is by pulling plate 41, supporting rack 42, tripod 43, Eagle-mouth type truss foundation frame 44, push rod 45 and becomes
Width oil cylinder 46 is constituted, and the head end of Eagle-mouth type truss foundation frame 44 is mounted on the end of five joint arms 11, Eagle-mouth type truss foundation frame 44
End be hinged with tripod 43 and supporting rack 42 respectively at different location, one end of push rod 45 is hinged on Top Crossbeam basic arm
Hinged pulling plate 41 between 21 middle part, the other end and tripod 43, the end of Top Crossbeam basic arm 21 is hinged on Eagle-mouth type truss
The olecranon end of foundation frame 44, supporting rack 42 are hinged between pulling plate 41 and Eagle-mouth type truss foundation frame 44, and amplitude oil cylinder 46 is hinged
Between another angle of tripod 43 and the head end of Eagle-mouth type truss foundation frame 44.Specific connection type between each parts is such as
Shown in Fig. 4 and Fig. 5.
In Figure 5, it is the hinge axes of push rod 45 and pulling plate 41 at A, is the articulated shaft of tripod 43 and push rod 45 at B
Line, is the hinge axes of tripod 43 and Eagle-mouth type truss foundation frame 44 at C, and the places D are Eagle-mouth type truss foundation frame 44 and upper cross
The hinge axes of arm basic arm 21, are the hinge axes of tripod 43 and amplitude oil cylinder 46 at E, are Top Crossbeam basic arm 21 at F
It is the hinge axes of Eagle-mouth type truss foundation frame 44 and amplitude oil cylinder 46 at G with the hinge axes of pulling plate 41, is supporting rack at H
42 with the hinge axes of Eagle-mouth type truss foundation frame 44.
Second jib lubbing mechanism 4 is multi-connecting-rod mechanism, specifically includes a variable delta link, a fixed triangle
Shape connecting rod, two variable quadrilateral connecting rods.One of them variable delta link（Triangle CGE) three sides are respectively by luffing
Oil cylinder 46,43 first side of tripod, amplitude oil cylinder 46 and Eagle-mouth type truss foundation frame 44 hinge to tripod 43 and Eagle-mouth type
Line is constituted between the hinge of truss foundation frame 44；Fixed triangle shape connecting rod（Triangle BCE）As tripod；First variable
Quadrangle（Quadrangle AHDF）First side is push rod 45（AF）, the second side be Top Crossbeam basic arm 21 and Eagle-mouth type truss foundation frame
44 hinges are to push rod 45 and Top Crossbeam basic arm hinge line（FD）, third side be Top Crossbeam basic arm 21 and Eagle-mouth type truss base
Line of 44 hinge of plinth frame to supporting rack 42 and 44 arm head hinge of Eagle-mouth type truss foundation frame（DH）, the 4th side be supporting rack
（AH）；Second variable quadrangle（Quadrangle ABCH）First side is supporting rack（AH）, the second side be pulling plate（41）, third side be
One side of tripod 43（BC）, the 4th side be tripod 43 and 44 hinge of Eagle-mouth type truss foundation frame to supporting rack 42 and Eagle-mouth type
The line of 44 arm head hinge of truss foundation frame（CH）.
For the foldable arm support of the present invention under retracted state, amplitude oil cylinder 46 is in stretches state entirely.Amplitude oil cylinder 46 is stretched out
When, push tripod 43 to be rotated at C, tripod 43 pushes Top Crossbeam basic arm 21 around D by pushing pulling plate 41, push rod 45
The linear movement of amplitude oil cylinder 46, is converted to the rotary motion of Top Crossbeam basic arm 21 by place's rotation.When shifting terminal onto, second
Telescopic arm 2 is folded back on completely, parallel with the first telescopic arm 1.When amplitude oil cylinder 46 is retracted, tripod 43 is pulled to be revolved at C
Turn, tripod 43 pulls the second telescopic arm 2 to be rotated at D by pulling pulling plate 41, push rod 45.When amplitude oil cylinder 46 contracts
When returning to terminal, 2 change angle of the second telescopic arm is maximum, when the first telescopic arm 1 reaches maximum change angle, the second telescopic arm
2 is parallel with horizontal plane.During no matter opening or withdrawing, supporting rack 42 is both supported upon the hinged place of pulling plate 41 and push rod 45, can
It is rotated at H.
The setting of second telescopic arm 2 is exaggerated a whole set of boom system under the premise of not reducing the first 1 height of telescopic arm
Work range and change angle.When arm support is unfolded, if free space is limited at low latitude, the first jib lubbing mechanism 3 can be first used
Increase the angle of the first telescopic arm 1 and horizontal plane, then control each joint arm in the first telescopic arm 1 and stretch out successively, controls second later
Jib lubbing mechanism 4 increases angle between the second telescopic arm 2 and the first telescopic arm 1, finally controls the Top Crossbeam base in the second telescopic arm 2
This arm 21 stretches out the full extension for realizing foldable arm support.Thus, the setting of the second jib lubbing mechanism 4 reduce it is flexible can
The required space of foldable arm rack so that the present invention can realize big luffing in small space.
And the concrete structure design of the second jib lubbing mechanism 4 keeps its intensity high, can safely and reliably realize the luffing of arm support, put
The change angle of big second telescopic arm 2.
In the present embodiment, when amplitude oil cylinder 46 is fully extended, the second telescopic arm 2 is parallel with the first telescopic arm 1, and makes folding
Folded arm may contract to state shown in Fig. 2.
First telescopic arm is made of the 15, second to the 5th joint arm 14,13,12,11 of basic arm, per joint arm telescopic arm respectively by
Hydraulic oil cylinder driving, telescoping mechanism 16 are placed on the outside of telescopic arm.
Second telescopic arm is made of basic arm 2 and the second joint arm 1, is driven by telescopic oil cylinder 3.The basic arm of second telescopic arm
It is hinged with the olecranon end of truss foundation frame.
Claims (4)
1. multistage luffing and flexible foldable arm support, it is characterised in that：Including turntable, the first telescopic arm, the second telescopic arm,
One jib lubbing mechanism and the second jib lubbing mechanism, the first telescopic arm are hinged on turntable, and the first jib lubbing mechanism stretches for driving first
Arm is in vertical rotation in surface and adjusts the angle of the first telescopic arm and horizontal plane, and the both ends of the first jib lubbing mechanism are respectively hinged at the
On the basic arm and turntable of one telescopic arm, the basic arm of the second telescopic arm is mounted on the first telescopic arm by the second jib lubbing mechanism
End, the second jib lubbing mechanism is for driving the second telescopic arm in vertical rotation in surface and adjusting between the second telescopic arm and horizontal plane
Angle.
2. multistage luffing according to claim 1 and flexible foldable arm support, it is characterised in that：Second jib lubbing mechanism is
Link mechanism specifically includes pulling plate, supporting rack, tripod, Eagle-mouth type truss foundation frame, push rod and amplitude oil cylinder, Eagle-mouth type purlin
The head end of frame foundation frame is mounted on the end of the first telescopic arm, and the end of Eagle-mouth type truss foundation frame is cut with scissors respectively at different location
It is connected to tripod and supporting rack, one end of push rod is hinged between middle part, the other end and the tripod of the second telescopic arm basic arm
It is hinged with pulling plate, the end of the second telescopic arm basic arm is hinged on the olecranon end of Eagle-mouth type truss foundation frame, and supporting rack is hinged on
Between pull rod and Eagle-mouth type truss foundation frame, amplitude oil cylinder is hinged on the head at another angle and Eagle-mouth type truss foundation frame of tripod
Between end；Amplitude oil cylinder, the first side of tripod, amplitude oil cylinder and Eagle-mouth type truss foundation frame hinge to tripod and Eagle-mouth type
Line constitutes a variable delta link between the hinge of truss foundation frame；Tripod constitutes a fixed triangle shape
Connecting rod；Push rod, the second telescopic arm basic arm and Eagle-mouth type truss foundation frame hinge are to push rod and the second telescopic arm basic arm hinge
Line, the second telescopic arm basic arm and Eagle-mouth type truss foundation frame hinge are to supporting rack and Eagle-mouth type truss foundation frame arm head hinge
Line, supporting rack constitute a quadrilateral connecting rod；Supporting rack, pulling plate, one side of tripod, tripod and Eagle-mouth type truss
The line of foundation frame hinge to supporting rack and Eagle-mouth type truss foundation frame arm head hinge constitutes another quadrilateral connecting rod.
3. multistage luffing according to claim 1 and flexible foldable arm support, it is characterised in that：First telescopic arm and
Two telescopic arms include that single oil cylinder and the telescoping mechanism for driving single oil cylinder sequence to stretch out or retract, telescoping mechanism are set to phase
Answer the outside of telescopic arm.
4. multistage luffing according to claim 3 and flexible foldable arm support, it is characterised in that：First jib lubbing mechanism with
The luffing of second jib lubbing mechanism by hydraulic control, telescoping mechanism it is flexible also by HYDRAULIC CONTROL SYSTEM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502970.XA CN108502752A (en) | 2018-05-23 | 2018-05-23 | A kind of multistage luffing and flexible foldable arm support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502970.XA CN108502752A (en) | 2018-05-23 | 2018-05-23 | A kind of multistage luffing and flexible foldable arm support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108502752A true CN108502752A (en) | 2018-09-07 |
Family
ID=63401190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810502970.XA Pending CN108502752A (en) | 2018-05-23 | 2018-05-23 | A kind of multistage luffing and flexible foldable arm support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108502752A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761153A (en) * | 2019-01-26 | 2019-05-17 | 湖南维尔力德科技有限公司 | The stacker crane body of foldable telescopic arm |
| CN111112185A (en) * | 2019-12-26 | 2020-05-08 | 中船重工双威智能装备有限公司 | Position adjusting system for heliostat cleaning equipment |
| CN113928936A (en) * | 2021-09-30 | 2022-01-14 | 中船重工海为郑州高科技有限公司 | A unwrapping wire arm for high-speed railway cable lays |
| CN109748216B (en) * | 2019-03-19 | 2023-08-18 | 威海怡和专用设备制造有限公司 | Vehicle-mounted hydraulic lifting mechanism |
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