CN106241628A - Truss arm structure and crane - Google Patents
Truss arm structure and crane Download PDFInfo
- Publication number
- CN106241628A CN106241628A CN201610723080.2A CN201610723080A CN106241628A CN 106241628 A CN106241628 A CN 106241628A CN 201610723080 A CN201610723080 A CN 201610723080A CN 106241628 A CN106241628 A CN 106241628A
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- Prior art keywords
- connecting portion
- oil cylinder
- truss arm
- link
- amplitude oil
- Prior art date
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- 238000005452 bending Methods 0.000 claims description 17
- 230000005484 gravity Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 57
- 229910000831 Steel Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000844 transformation Methods 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
- B66C23/64—Jibs
- B66C23/66—Outer or upper end constructions
-
- 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 invention discloses a kind of truss arm structure and crane, relate to engineering machinery field, in order to optimize existing truss arm structure.This truss arm structure includes link, swivel mount and amplitude oil cylinder；Link includes the first connecting portion being positioned at top and is positioned at the second connecting portion of bottom, and swivel mount includes the 3rd connecting portion being positioned at top and is positioned at the 4th connecting portion of bottom；First connecting portion and the 3rd connecting portion are rotatably connected, and one end of the second connecting portion and amplitude oil cylinder is rotatably connected, and the other end and the 4th connecting portion of amplitude oil cylinder are rotatably connected.First connecting portion in the second connecting portion near the side of swivel mount, the 3rd connecting portion in the 4th connecting portion near the side of link.Above-mentioned cylinder pressure formula truss arm version, changes the structure of swivel mount and link so that amplitude oil cylinder can be arranged on bottom, and in hoisting operation, amplitude oil cylinder bears pressure rather than pulling force, will not produce potential safety hazard because letting out in hydraulic jack.
Description
Technical field
The present invention relates to engineering machinery field, be specifically related to a kind of truss arm structure and crane.
Background technology
Along with architecture storey height is continuously increased, need crane to have higher lifting altitude during roof operation, work as floor
When highly exceeding principal arm maximum lifting height, need to use truss arm operation.Seeing Fig. 1 to Fig. 3, truss arm is arranged on principal arm end
Portion, is mainly made up of seamless steel pipe, and its length regulates by extension 104 is increased or decreased, for expanding the work of boom system
Make scope, promote car load lifting altitude.For increasing working condition, truss arm jib typically can realize different angular transformations, angle
Degree conversion has mainly been combined by swivel mount 102 and stepless amplitude oil cylinder 103.Telescopic arm is provided with link 101, link
101 are rotatably connected with swivel mount 102, and its rotation is driven by the stepless amplitude oil cylinder 103 being located between the two.Concrete and
Speech, the lower hinge of 102 times hinges 108 of swivel mount and link 101 is rotatably connected, and i.e. forms the rotation of whole truss arm structure
Point A.Stretch out towards link 101 bottom swivel mount 102, set between upper hinge and the upper hinge of swivel mount 102 of link 101
There is stepless amplitude oil cylinder 103.Arrange according to industry, when truss arm structure level is positioned over ground, towards skyward one side be
Top, is bottom towards the one side on ground.Point of rotation A designed by existing truss arm structure is positioned at bottom jib, stepless luffing
Oil cylinder 103 is positioned at jib top, as depicted in figs. 1 and 2.Extension 104 top is provided with a joint auxiliary 105, and a joint auxiliary 105 pushes up
End is provided with two joint auxiliarys 106.Main chord 107 is shown in Figure 2.
Inventor finds, at least there is following problems: stepless amplitude oil cylinder 103 is located at arm by prior art in prior art
Shelf structure top, though design difficulty is little, but during crane hoisting operation, the stepless amplitude oil cylinder in top 103 bears pulling force, and this can increase
Add the potential safety hazard that stepless amplitude oil cylinder 103 causes because of the interior problem of letting out, affect the safety of crane gear work.
Summary of the invention
One of them purpose of the present invention is to propose a kind of truss arm structure and crane, in order to optimize existing truss arm
Structure.
For achieving the above object, the invention provides techniques below scheme:
The invention provides a kind of truss arm structure, including link, swivel mount and amplitude oil cylinder；
Described link includes the first connecting portion being positioned at top and is positioned at the second connecting portion of bottom, described swivel mount bag
Include the 3rd connecting portion being positioned at top and the 4th connecting portion being positioned at bottom；Described first connecting portion and described 3rd connecting portion can
Being rotationally connected, one end of described second connecting portion and described amplitude oil cylinder is rotatably connected, the other end of described amplitude oil cylinder with
Described 4th connecting portion is rotatably connected；
When described truss arm structure is in installment state and keeps flat, on gravity direction, described first connecting portion is in institute
State second connecting portion side near described swivel mount, the 3rd connecting portion in the 4th connecting portion near the side of link.
In an alternate embodiment of the invention, described link includes that the first joint and the first pipe fitting, described first joint are provided with
One connecting hole, described first connecting hole is at least two as described first connecting portion, the quantity of described first pipe fitting, each described
One end of first pipe fitting is all connected with described first joint, and the other end of each described first pipe fitting is for being connected with telescopic arm.
In an alternate embodiment of the invention, described first joint includes the first bending plate and the first riser, described first riser
Quantity is at least two pieces, the parallel side being located at described first bending plate indent of each described first riser, each described first riser
It is provided with described first connecting hole.
In an alternate embodiment of the invention, the other end of each described first pipe fitting is separated from each other.
In an alternate embodiment of the invention, described swivel mount includes that the second joint and the second pipe fitting, described second joint are provided with
Two connecting holes, described second connecting hole is at least two as described 3rd connecting portion, the quantity of described second pipe fitting, each described
One end of second pipe fitting is all connected with described second joint, and the other end of each described second pipe fitting is for being connected with auxiliary.
In an alternate embodiment of the invention, the other end of each described second pipe fitting is separated from each other.
In an alternate embodiment of the invention, described second joint includes the second bending plate and the second riser, described second riser
Quantity is at least two pieces, the parallel side being located at described second bending plate indent of each described second riser, each described second riser
It is provided with described second connecting hole.
In an alternate embodiment of the invention, the top of described link is uiform section structure；And/or, the bottom of described link
For variable section structure.
In an alternate embodiment of the invention, described swivel mount generally variable section structure.
In an alternate embodiment of the invention, described amplitude oil cylinder quantity at least two, each described amplitude oil cylinder is arranged side by side.
The embodiment of the present invention also provides for a kind of crane, the truss arm structure provided including the arbitrary technical scheme of the present invention.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Above-mentioned cylinder pressure formula truss arm version, uses the stepless luffing of hydraulic jack, changes the structure of swivel mount so that
Amplitude oil cylinder can be arranged on bottom, and in hoisting operation, amplitude oil cylinder bears pressure rather than pulling force, fully avoids because of hydraulic oil
Let out in cylinder and produce potential safety hazard, make jib have good stability in the large.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of truss arm structure in prior art；
Fig. 2 is the close-up schematic view of Fig. 1；
Fig. 3 is another angle schematic diagram of position shown in Fig. 2；
The truss arm structural representation that Fig. 4 provides for the embodiment of the present invention；
Fig. 5 be amplitude oil cylinder full reduced time truss arm structure partial schematic diagram；
Fig. 6 is amplitude oil cylinder partial schematic diagram of truss arm structure when entirely stretching；
Fig. 7 is the partial structurtes schematic diagram of link；
Fig. 8 is the partial structurtes schematic diagram of swivel mount；
Fig. 9 is the partial structurtes schematic diagram of link；
Figure 10 is the structural representation of link.
Reference:
1, link；2, swivel mount；3, amplitude oil cylinder；4, extension；5, a joint auxiliary；6, two joint auxiliary；7, main chord；
8, bending plate；11, the first joint；12, the first pipe fitting；13, the first connecting hole；14, the first bending plate；15, the first riser；16、
First connecting portion；17, the second connecting portion；21, the second joint；22, the second pipe fitting；23, the second connecting hole；24, the second bending plate；
25, the second riser；26, the 3rd connecting portion；27, the 4th connecting portion；101, link；102, swivel mount；103, amplitude oil cylinder；
104, extension；105, a joint auxiliary；106, two joint auxiliary；107, main chord；108, lower hinge.
Detailed description of the invention
The technical scheme provided the present invention below in conjunction with Fig. 4～Figure 10 illustrates in more detail.
The noun used in the present embodiment or term are explained.
Truss arm: one is arranged on crane arm end, for increasing lifting brachium, lifting altitude, the structure of lift heavy amplitude
Form, truss arm is mainly made up of seamless steel pipe.
Swivel mount: a kind of truss structure, it is connected with front member (i.e. auxiliary) with stepless amplitude oil cylinder by hinge, logical
Overregulate stepless amplitude oil cylinder collapsing length and realize the conversion of truss arm operating angle.
Link: a kind of truss structure, front/rear end sectional dimension differs, and is connected with crane arm.
Stepless amplitude oil cylinder: a kind of hydraulic jack, between truss arm swivel mount and link, is used for realizing truss arm
Lifting angular transformation.
In the present embodiment, arrange according to industry, when truss arm jib structure is placed horizontally at ground, towards skyward one
Face is top, is bottom towards the one side on ground.
The embodiment of the present invention provides a kind of truss arm structure for being connected with telescopic arm by auxiliary, to extend the work of crane
Make scope.Each joint auxiliary of truss arm structure can use box steel plate structure.
Seeing Fig. 4 and Fig. 5, the embodiment of the present invention provides a kind of truss arm structure, including link 1, swivel mount 2 and luffing
Oil cylinder 3.Link 1 includes the first connecting portion 16 being positioned at top and is positioned at the second connecting portion 17 of bottom.Swivel mount 2 includes position
The 3rd connecting portion 26 and the 4th connecting portion 27 being positioned at bottom in top.First connecting portion 16 and the 3rd connecting portion 26 are rotatable
Connecting, one end of the second connecting portion 17 and amplitude oil cylinder 3 is rotatably connected, the other end of amplitude oil cylinder 3 and the 4th connecting portion 27
It is rotatably connected.When truss arm structure is in installment state and keeps flat, on gravity direction, the first connecting portion 16 is positioned at second even
Connecing the side near swivel mount 2, the portion 17, the 3rd connecting portion 26 is positioned at the 4th connecting portion 27 near the side of link 1, so that
Between the second connecting portion 17 and the 4th connecting portion 27, there is enough spaces and amplitude oil cylinder 3 can be set.
As it is shown in figure 5, this truss arm structure amplitude oil cylinder 3 exocoel end connector is rotatable with link 1 second connecting portion 17
Connecting, cylinder rod end connector is rotatably connected with swivel mount 2 the 4th connecting portion 27, link 1 first connecting portion 16 and swivel mount 2 the
Three connecting portions 26 are connected, as luffing hinge.The flexible frame 2 that can be rotated of amplitude oil cylinder 3 rotates relative to luffing hinge, with
Realize luffing.
Amplitude oil cylinder 3 is assemblied in bottom jib by above-mentioned truss arm structure, in the present embodiment as a example by meeting following relation,
When amplitude oil cylinder 3 is stretched entirely, auxiliary change angle is 0 degree；When amplitude oil cylinder 3 is full reduced, auxiliary change angle is 30 degree；Amplitude oil cylinder
3 half when stretching, and auxiliary change angle is 15 degree.Change angle i.e. principal arm length direction and a joint auxiliary 5/ 2 save auxiliary 6 length side
To angle.
Technique scheme, the when that amplitude oil cylinder 3 being positioned at bottom, jib is from 0 degree of luffing to 30 degree, and oil cylinder gradually contracts
Short, link 1 use bottom indent, the structure of top arcuate, be arranged on for amplitude oil cylinder 3 that bottom is flexible provides enough skies
Between.Amplitude oil cylinder 3 is located at bottom link 1 and swivel mount 2, and in amplitude changing process, amplitude oil cylinder 3 is primarily subjected to pressure, relatively
The amplitude oil cylinder of tension in prior art, solves the security hidden trouble produced because of interior letting out from system principle, it is possible to
Give full play to the high pressure resistance energy of weld seam, improve jib performance；Under equal performance, the action oil cylinder that is stressed is than tension power effect oil
Cylinder is light.Technique scheme makes truss arm structure be optimised, and crane stability increases.
Seeing Fig. 6 and Fig. 7, link 1 includes the first joint 11 and the first pipe fitting 12.First joint 11 is provided with the first connection
Hole 13, the first connecting hole 13 is as the first connecting portion 16.The quantity of the first pipe fitting 12 is at least two, the one of each first pipe fitting 12
End is all connected with the first joint 11, and the other end of each first pipe fitting 12 is for being connected with telescopic arm.
Further, the other end of each first pipe fitting 12 is separated from each other so that link 1 stress equalization.
The size being smaller in size than telescopic arm of the first joint 11, this makes each first pipe fitting 12 be divergence expression structure, respectively
One end that first pipe fitting 12 is connected with the first joint 11 each other close together, compares concentration；Each first pipe fitting 12 another
One end ratio is relatively decentralized, shown in Figure 7.Link 1 stress of this structure more equalizes.
The stability problem of main chord 7, stress form determine version, and the link of said structure is rotatably connected place
Interior receipts, single-point divergence expression structure can be with amplitude oil cylinder 3 perfect cooperations bearing pressure so that the link 1 of said structure is more
Add stress equalization.
Seeing Fig. 7, the first joint 11 includes the first bending plate 14 and the first riser 15, and the quantity of the first riser 15 is at least
Two pieces.The parallel side being located at the first bending plate 14 indent of each first riser 15, each first riser 15 is provided with the first connecting hole 13.
Above-mentioned first joint 11 is half-packaging structure, it is possible to the structure at the 3rd connecting portion 26 encased.Link 1 and rotation
Pivoted frame 2 is designed to fork double with oil cylinder and is connected half be connected with seamless steel pipe single-point divergence expression with amplitude oil cylinder 3 junction joint
Packet mode cramped construction, is reinforced by bending plate 8, sees Fig. 9, strengthens its stability, through local optimum, when solving cylinder pressure luffing
The difficult problem that oil cylinder is interfered with joint, as it is shown in figure 5, effective joint form that this joint form is cylinder pressure formula truss arm.
Seeing Fig. 8, swivel mount 2 specifically can use following structure, and swivel mount 2 includes the second joint 21 and the second pipe fitting 22,
Second joint 21 is provided with the second connecting hole 23, and the second connecting hole 23 is as the 3rd connecting portion 26.Bearing pin passes the first connecting hole 13
And second connecting hole 23 make between swivel mount 2 and link 1 formed be rotatably connected.The quantity of the second pipe fitting 22 is at least two
Root, one end of each second pipe fitting 22 is all connected with the second joint 21, and the other end of each second pipe fitting 22 is for being connected with auxiliary.
Specifically, one end of each second pipe fitting 22 is concentrated, and the other end of each second pipe fitting 22 is separated from each other.
Above-mentioned second joint 21, receives in the place of being rotationally connected, single-point divergence expression structure can be with the amplitude oil cylinder 3 bearing pressure
Perfect cooperation.
When link 1 and swivel mount 2 design, it then follows the design of truss structure producing balanced forces and restriction pressurized tubular length is former
Then, receive in amplitude oil cylinder 3 junction, on the one hand improve the strength and stability of truss structure, be on the other hand amplitude oil cylinder 3
Create extendable room, improve luffing efficiency.
Seeing Fig. 8, the second joint 21 includes the second bending plate 24 and the second riser 25, and the quantity of the second riser 25 is at least
Two pieces, the parallel side being located at the second bending plate 24 indent of each second riser 25, each second riser 25 is provided with the second connecting hole 23.
One end of each second pipe fitting 22 is all connected with the second bending plate 24, forms the structure comparing concentration, the second pipe fitting 22
The other end dispersion stress can be made more to equalize.
Seeing Fig. 6, the top of link 1 is uiform section structure.And/or, the bottom of link 1 is variable section structure.
Link 1 top is uiform section structure, and at luffing hinge, joint upwarps, and bottom is variable cross-section, receives in bottom fitting,
On the one hand create assembly space for amplitude oil cylinder 3, on the other hand can reduce the length of pressurized main chord 7, coordinate other chord members,
Web member structure, forms optimized truss structure and arranges.
Above-mentioned truss arm structure, swivel mount 2 the 3rd connecting portion 26 evagination, upwarps, the 4th connecting portion 27 indent, for luffing oil
Cylinder 3 be located at bottom leave space, it is ensured that truss arm structure connect stability, give full play to truss structure from heavy and light,
The advantages such as intensity is high, wind load is little, improve overall lift heavy performance.
Swivel mount 2 generally variable cross-section truss structure, during design, the multiple spot such as height, length, rear cross-sectional sizes optimizes simultaneously,
Realize the truss structure of the overall producing balanced forces of swivel mount 2；Bottom with amplitude oil cylinder 3 junction joint in receipts and under convex, can subtract
The length of little pressurized main chord 7, improves critical force；Coordinate reasonable pressurized direction and optimum arm of force design, the shape of amplitude oil cylinder 3
Become the truss-like force structure at cylinder pressure formula truss arm luffing position.
Link 1 and swivel mount 2 are all truss structure, and this makes above-mentioned truss arm version be full truss structure,
Replace the box version of original steel plate, give full play to truss structure from heavy and light, intensity is high, wind load is little, processing technique is easy
Etc. advantage.
Further, amplitude oil cylinder 3 quantity at least can be two, and each amplitude oil cylinder 3 is arranged side by side, and such stress is more steady
Fixed.
Technique scheme, designs fork double with oil cylinder and is connected compact with the half-packaging that seamless steel pipe single-point divergence expression is connected
Structure, single-point divergence expression connects and amplitude oil cylinder 3 pressure dissipation can be transferred to the many seamless steel pipes of layout in divergent state,
All seamless steel pipe producing balanced forces, give full play to the bearing capacity of all seamless steel pipes, are greatly enhanced the stability of structure.This knot
Structure is as effective joint form of cylinder pressure formula truss arm, and when not only making amplitude oil cylinder 3 luffing bearing pressure, amplitude oil cylinder 3 is not
Can interfere with joint, make joint have more preferable strength and stability, also make oil cylinder working-pressure to equalize and be delivered to truss knot
Structure, it is to avoid the phenomenon that overall structure local pressure is excessive, promotes jib overall performance.
The embodiment of the present invention also provides for a kind of crane, the truss arm structure provided including the arbitrary technical scheme of the present invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be only for ease of describing the present invention and simplifying the device describing rather than indicating or infer indication
Or element must have specific orientation, for specific azimuth configuration and operation, thus it is not intended that in protecting the present invention
The restriction held.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent,
But these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (11)
1. a truss arm structure, it is characterised in that include link (1), swivel mount (2) and amplitude oil cylinder (3)；
Described link (1) includes the first connecting portion (16) being positioned at top and is positioned at second connecting portion (17) of bottom, described
Swivel mount (2) includes the 3rd connecting portion (26) being positioned at top and is positioned at the 4th connecting portion (27) of bottom；Described first connects
Portion (16) and described 3rd connecting portion (26) are rotatably connected, described second connecting portion (17) and the one of described amplitude oil cylinder (3)
End is rotatably connected, and the other end of described amplitude oil cylinder (3) is rotatably connected with described 4th connecting portion (27)；
When described truss arm structure is in installment state and keeps flat, on gravity direction, described first connecting portion (16) is positioned at institute
Stating the second connecting portion (17) side near described swivel mount (2), described 3rd connecting portion (26) is positioned at described 4th connecting portion
(27) near the side of described link (1).
Truss arm structure the most according to claim 1, it is characterised in that described link (1) includes the first joint (11)
With the first pipe fitting (12), described first joint (11) is provided with the first connecting hole (13), and described first connecting hole (13) is as described
First connecting portion (16), the quantity of described first pipe fitting (12) is at least two, one end of each described first pipe fitting (12) all with
Described first joint (11) connects, and the other end of each described first pipe fitting (12) is for being connected with telescopic arm.
Truss arm structure the most according to claim 2, it is characterised in that described first joint (11) includes the first bending plate
(14) and the first riser (15), the quantity of described first riser (15) is at least two pieces, and each described first riser (15) is parallel to be set
In the side of described first bending plate (14) indent, each described first riser (15) is provided with described first connecting hole (13).
Truss arm structure the most according to claim 2, it is characterised in that the other end of each described first pipe fitting (12) is mutual
Separately.
Truss arm structure the most according to claim 1, it is characterised in that described swivel mount (2) includes the second joint (21)
With the second pipe fitting (22), described second joint (21) is provided with the second connecting hole (23), and described second connecting hole (23) is as described
3rd connecting portion (26)；The quantity of described second pipe fitting (22) is at least two, one end of each described second pipe fitting (22) all with
Described second joint (21) connects, and the other end of each described second pipe fitting (22) is for being connected with auxiliary.
Truss arm structure the most according to claim 5, it is characterised in that the other end of each described second pipe fitting (22) is mutual
Separately.
Truss arm structure the most according to claim 2, it is characterised in that described second joint (21) includes the second bending plate
(24) and the second riser (25), the quantity of described second riser (25) is at least two pieces, and each described second riser (25) is parallel to be set
In the side of described second bending plate (24) indent, each described second riser (25) is provided with described second connecting hole (23).
Truss arm structure the most according to claim 1, it is characterised in that the top of described link (1) is uiform section knot
Structure；And/or, the bottom of described link (1) is variable section structure.
Truss arm structure the most according to claim 1, it is characterised in that described swivel mount (2) generally variable section structure.
Truss arm structure the most according to claim 1, it is characterised in that described amplitude oil cylinder (3) quantity is at least two
Individual, each described amplitude oil cylinder (3) is arranged side by side.
11. 1 kinds of cranes, it is characterised in that include the arbitrary described truss arm structure of claim 1-10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723080.2A CN106241628A (en) | 2016-08-25 | 2016-08-25 | Truss arm structure and crane |
| PCT/CN2017/081276 WO2018036181A1 (en) | 2016-08-25 | 2017-04-20 | Lattice boom structure and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723080.2A CN106241628A (en) | 2016-08-25 | 2016-08-25 | Truss arm structure and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106241628A true CN106241628A (en) | 2016-12-21 |
Family
ID=57596087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610723080.2A Pending CN106241628A (en) | 2016-08-25 | 2016-08-25 | Truss arm structure and crane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106241628A (en) |
| WO (1) | WO2018036181A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036181A1 (en) * | 2016-08-25 | 2018-03-01 | 徐州重型机械有限公司 | Lattice boom structure and crane |
| CN109305630A (en) * | 2018-12-11 | 2019-02-05 | 中联重科股份有限公司 | Combined auxiliary arm of crane, arm support and crane |
| CN112919340A (en) * | 2021-02-26 | 2021-06-08 | 徐州建机工程机械有限公司 | Automobile type fast-assembling tower crane for small-sized residential building |
| CN115258982A (en) * | 2022-06-30 | 2022-11-01 | 山东济钢型材有限公司 | Heavy tower crane jib loading boom structure based on improvement steel pipe |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170179B (en) * | 2018-11-12 | 2025-04-08 | 广东庞源工程机械有限公司 | Tower crane boom reinforcing frame |
| CN111252680A (en) * | 2020-03-17 | 2020-06-09 | 浙江三一装备有限公司 | Super-lifting counterweight amplitude changing device and crane |
| CN113173524B (en) * | 2021-05-28 | 2022-04-22 | 广东工业大学 | Method, device, equipment and medium for hydraulic dynamic weighing of telescopic arm forklift |
| CN115477238A (en) * | 2022-07-27 | 2022-12-16 | 武汉船用机械有限责任公司 | Arm support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103318785B (en) * | 2013-07-08 | 2015-06-17 | 徐州重型机械有限公司 | Crane and fixed auxiliary jib amplitude-changing device thereof |
| CN106241628A (en) * | 2016-08-25 | 2016-12-21 | 徐州重型机械有限公司 | Truss arm structure and crane |
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| US20050011850A1 (en) * | 2003-05-13 | 2005-01-20 | Jan Hinrichs | Folding pinnacle bending device |
| CN203382420U (en) * | 2013-07-08 | 2014-01-08 | 徐州重型机械有限公司 | Crane and fixed jib luffing device for same |
| CN203474324U (en) * | 2013-10-14 | 2014-03-12 | 中联重科股份有限公司 | Crane boom system and crane |
| CN103626058A (en) * | 2013-12-17 | 2014-03-12 | 三一汽车起重机械有限公司 | Secondary boom amplitude variation device, crane and secondary boom amplitude variation method |
| CN204057774U (en) * | 2014-08-15 | 2014-12-31 | 中联重科股份有限公司 | Crane auxiliary arm and crane |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036181A1 (en) * | 2016-08-25 | 2018-03-01 | 徐州重型机械有限公司 | Lattice boom structure and crane |
| CN109305630A (en) * | 2018-12-11 | 2019-02-05 | 中联重科股份有限公司 | Combined auxiliary arm of crane, arm support and crane |
| CN112919340A (en) * | 2021-02-26 | 2021-06-08 | 徐州建机工程机械有限公司 | Automobile type fast-assembling tower crane for small-sized residential building |
| CN115258982A (en) * | 2022-06-30 | 2022-11-01 | 山东济钢型材有限公司 | Heavy tower crane jib loading boom structure based on improvement steel pipe |
| CN115258982B (en) * | 2022-06-30 | 2025-03-21 | 山东济钢型材有限公司 | A heavy tower crane boom structure based on improved steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018036181A1 (en) | 2018-03-01 |
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