CN111115475A - Super-lifting device and crane - Google Patents
Super-lifting device and crane Download PDFInfo
- Publication number
- CN111115475A CN111115475A CN201911365775.8A CN201911365775A CN111115475A CN 111115475 A CN111115475 A CN 111115475A CN 201911365775 A CN201911365775 A CN 201911365775A CN 111115475 A CN111115475 A CN 111115475A
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- CN
- China
- Prior art keywords
- super
- lift
- superlift
- telescopic
- crane
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- 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.)
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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
- B66C23/82—Luffing gear
- B66C23/821—Bracing equipment for booms
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- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/42—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a super-lift device, which comprises a super-lift fixed end and a super-lift telescopic end, wherein the super-lift fixed end is connected with the super-lift telescopic end; super-lift stiff end and super-lift flexible end connected mode contain: the super-lift fixed end is connected with the super-lift telescopic end through a telescopic mechanism or an extension section; the super-lifting fixed end is connected with the super-lifting telescopic end through a rotary connecting part; the crane comprises a suspension arm, a frame chassis and a rotary table, wherein the rotary table is arranged at the end part of the frame chassis, the suspension arm is connected with the rotary table, and a super-lift device is connected with the suspension arm. The method for realizing length adjustment increases the working length of the super-lifting device under the condition that the layout space of the whole crane is limited, and improves the rigidity of the boom system, thereby improving the lifting performance of the crane to a great extent.
Description
Technical Field
The invention relates to a super-lift device and a crane, and belongs to the technical field of cranes.
Background
With the continuous development of social science and technology, the engineering crane as a major equipment is widely used, wherein the use of the engineering crane in wind power projects and large petrochemical projects is increasing day by day. The super lifting device is used as a key part of the crane and plays an important role in improving the performance of the crane. However, due to the limitation of the overall layout of the crane, the design of the overall length of the super-lift device is seriously influenced, so that in order to solve the problem, the invention provides the novel super-lift device with adjustable length, which can increase the effective length of the super-lift device during working on the basis of the limited overall layout of the crane, and further improve the hoisting performance of the whole crane.
The super lifting device comprises: a structural device for reducing the deformation of a crane boom is added on a suspension arm, and the deformation comprises two planes of crane rotation and amplitude variation. The main form is a box-shaped or truss-shaped structure which is vertical to the suspension arm and connected with the suspension arm, the lifting performance of the crane can be well improved, and the crane comprises main components such as a steel wire rope, a mast, a rear balancing device and the like.
At present, the technology does not exist in the field of crane industry in international and domestic fields, and the crane industry has the defects that the length of a super lifting device is limited due to the influences of the layout, the length and the like of the whole crane, the length cannot be adjusted, the super lifting length cannot be optimized, and the reinforcing effect on a boom system is limited.
Disclosure of Invention
The invention aims to provide a super-lift device and a crane, and aims to overcome the defects that the length of the super-lift device is limited and cannot be adjusted in the prior art.
A super-lift device comprises a super-lift fixed end and a super-lift telescopic end; super-lift stiff end and super-lift flexible end connected mode contain:
a: the super-lift fixed end is connected with the super-lift telescopic end through a telescopic mechanism or an extension section;
b: the super-lift fixed end and the super-lift telescopic end are connected through a rotary connecting part.
Preferably, the output end of the telescoping mechanism is connected to the super-lift telescopic end, and the other end of the telescoping mechanism is connected to the super-lift fixed end, and the telescoping mechanism telescopes to drive the super-lift telescopic end to telescope.
Preferably, the rotary connecting part comprises a first fixing hole and a second fixing hole, the first fixing hole is arranged at the end part of the super-lifting fixing end, and the second fixing hole is arranged at the end part of the super-lifting telescopic end.
Preferably, the first fixing hole and the second fixing hole are locked by a pin.
Preferably, the super-lift fixed end and the super-lift telescopic end are provided with fixing devices at the connecting ends of the rotary connecting parts.
Preferably, the rotary connection part and the telescopic mechanism are locked by a pin shaft during operation.
Preferably, the fixing device is provided with a matched pin shaft.
A crane is provided with the superlift device.
Preferably, the crane comprises a suspension arm, a frame chassis and a rotary table, wherein the rotary table is arranged at the end part of the frame chassis, the suspension arm is connected with the rotary table, and the super-lift device is connected with the suspension arm.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a novel super-lift device with adjustable length and a method for realizing length adjustment, which are used for increasing the working length of the super-lift device and improving the rigidity of an arm support system under the condition of limited overall layout space of a crane, so that the hoisting performance of the crane can be improved to a great extent.
Drawings
FIG. 1 is a schematic view of a crane according to the present invention;
FIG. 2 is a schematic view of the telescopic structure of the super lift apparatus of the present invention;
FIG. 3 is a schematic view of the telescopic mechanism of the present invention;
FIG. 4 is a schematic view of a super lift jack folding crane according to the present invention;
FIG. 5 is a schematic view of the present invention showing the side-to-side folding of the super lift apparatus;
FIG. 6 is a schematic view of the present invention in an extended left and right folded configuration;
FIG. 7 is a schematic view of the present invention in an extended, upwardly and downwardly folded configuration;
FIG. 8 is a schematic view of the present invention in an extended, upwardly and downwardly folded configuration;
FIG. 9 is a schematic view of a super lift apparatus assembly crane of the present invention;
FIG. 10 is a schematic view of the super lift apparatus of the present invention without the extension section installed;
FIG. 11 is a schematic view of an installation extension section of the super lift device of the present invention.
In the figure: 1. a suspension arm; 2. a super lift device; 21. the fixed end is overhung; 22. a super-lift telescopic end; 23. a rotation connection part; 24. a telescoping mechanism; 25. lengthening the section; 3. a frame chassis; 4. a turntable.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 2-11, a super lift apparatus comprises a super lift fixing end 21 and a super lift telescopic end 22; the connection mode of the super-lifting fixed end 21 and the super-lifting telescopic end 22 comprises the following steps:
a: the super-lifting fixed end 21 is connected with the super-lifting telescopic end 22 through a telescopic mechanism 2 or an extension section 25;
b: the super-lift fixed end 21 and the super-lift telescopic end 22 are connected through a rotary connecting part 23.
a 1: the super-lift device is telescopic, as shown in fig. 2 and fig. 3, the super-lift device 2 comprises a super-lift fixed end 21 and a super-lift telescopic end 22, one end of the super-lift fixed end 21 is hinged to the suspension arm 1, the other end of the super-lift fixed end is connected with the super-lift telescopic end 22 through a telescopic mechanism 24 or an extension section 25, the length of the super-lift device is adjusted through the telescopic mechanism 24 or the extension section 25, one end of the telescopic mechanism 24 is connected to the super-lift telescopic end 22, the other end of the telescopic mechanism 24 is connected to the super-lift fixed end 21, the telescopic mechanism 24 stretches and retracts to drive the super-lift telescopic end 22 to retract, and the rotary connecting part 23 and the telescopic mechanism 24 are locked through; the locking of the telescopic joint and the fixed joint is realized in the modes of a pin shaft and the like during operation.
a 1: assembled, as shown in fig. 9-11, disclose a super device that rises, the one end that surpasses stiff end 21 is articulated with davit 1, and the other end passes through lengthened festival 24 and surpasss to rise flexible end 22 and be connected, realizes surpassing stiff end 21 and surpassing the function of stretching out and drawing back end length adjustment through lengthened festival 25, when selecting vehicle hoist and mount performance according to actual conditions and need use longer super device 2 that rises, can connect lengthened festival 25 and surpass and rise between stiff end 21 and the flexible end 22 that rises, realize the regulation of super device 2 length, reach the requirement that satisfies vehicle hoist and mount performance.
b 1: left and right folding type: as shown in fig. 4-6, a super-lift apparatus is disclosed, which comprises a super-lift fixed end 21 and a super-lift telescopic end 22, wherein one end of the super-lift telescopic end 22 is connected with the super-lift fixed end 21 through a rotary connecting part 23. The connection ends of the super-lift telescopic end 22, the super-lift fixed end 21 and the rotary connection part 23 are provided with fixing devices, the super-lift telescopic end 22 and the super-lift fixed end 21 are stretched and contracted through the rotary connection part 23, so that the length of the super-lift device 2 is adjusted, when a vehicle is folded, the super-lift telescopic end 22 is folded on the side surface of the super-lift fixed end 21, and when the vehicle works under working conditions, the super-lift telescopic end 22 rotates to be flush with the super-lift fixed end 21, so that the length of the super-lift device 2 is adjusted; the locking of the telescopic joint and the fixed joint is realized in the modes of a pin shaft and the like during operation.
b 2: folding up and down: as shown in fig. 7-8, a super lift apparatus is disclosed; one end of the super-lift telescopic end 22 is connected with the super-lift telescopic end 22 through a rotary connecting part 23; when the vehicle is folded, the super-lift telescopic end 22 is folded above the super-lift fixed end 21, and when the vehicle works under working conditions, the super-lift telescopic end 22 rotates to be flush with the super-lift fixed end 21, so that the length of the super-lift device 2 is adjusted; the locking of the telescopic joint and the fixed joint is realized in the modes of a pin shaft and the like during operation.
As shown in fig. 6, in the present embodiment, the rotation connection portion 23 includes a first fixing hole and a second fixing hole, the first fixing hole is disposed at the end of the super-lift fixing end 21, the second fixing hole is disposed at the end of the super-lift telescopic end 22, and the first fixing hole and the second fixing hole are overlapped and fixed by a pin when extending.
As shown in fig. 1, the crane is provided with the superlift device; the crane comprises a suspension arm 1, a frame chassis 3 and a rotary table 4, wherein the rotary table 4 is arranged at the end part of the frame chassis 3, and the suspension arm 1 is connected with the rotary table 4; the lifting arm 1 is provided with a super lifting device 2; the suspension arm 1 and the rotary table 4 are both arranged on the frame chassis 3, wherein one end of the super lifting device 2 is hinged on the suspension arm 1, and the other end is freely placed. The suspension arm 1 is formed by overlapping a plurality of sections of main arms, the length can be extended and contracted, and the extension length of the suspension arm can be adjusted according to the requirement of actual operation working conditions in a working state. In the state of folding, as shown in fig. 1, the boom 1 is completely retracted, and the super lift device 2 is placed in a state flush with the main boom, so that the whole vehicle can perform transition movement in this state.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A super-lift device is characterized by comprising a super-lift fixed end and a super-lift telescopic end; super-lift stiff end and super-lift flexible end connected mode contain:
a: the super-lift fixed end is connected with the super-lift telescopic end through a telescopic mechanism or an extension section;
b: the super-lift fixed end and the super-lift telescopic end are connected through a rotary connecting part.
2. The superlift device of claim 1, wherein the output end of the telescoping mechanism is connected to the superlift telescoping end, and the other end is connected to the superlift fixed end, and the telescoping mechanism telescopes to drive the superlift telescoping end to telescope.
3. The superlift apparatus of claim 1, wherein the rotational connection portion includes a first fixing hole and a second fixing hole, the first fixing hole being provided at an end of the superlift fixing end, the second fixing hole being provided at an end of the superlift telescopic end.
4. The super lift device of claim 1, wherein said first and second attachment holes are pinned.
5. The superlift device of claim 1, wherein the superlift fixed end and superlift telescopic end and the rotary connection portion connecting end are provided with fixing means.
6. The upraised apparatus of claim 5, wherein said securing means is provided with a suitable pin.
7. A crane having a superlift apparatus as claimed in any one of claims 1 to 6.
8. The crane as claimed in claim 7, wherein the crane comprises a boom, a frame chassis, and a turntable, the turntable is disposed at an end of the frame chassis, the boom is connected to the turntable, and the super lift device is connected to the boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911365775.8A CN111115475A (en) | 2019-12-26 | 2019-12-26 | Super-lifting device and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911365775.8A CN111115475A (en) | 2019-12-26 | 2019-12-26 | Super-lifting device and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111115475A true CN111115475A (en) | 2020-05-08 |
Family
ID=70503032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911365775.8A Pending CN111115475A (en) | 2019-12-26 | 2019-12-26 | Super-lifting device and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111115475A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641000A (en) * | 2013-12-17 | 2014-03-19 | 徐州重型机械有限公司 | Crane and super-lifting device thereof |
| CN203529805U (en) * | 2013-09-27 | 2014-04-09 | 徐州重型机械有限公司 | Belly-mounted type auxiliary boom structure and crane |
| CN203568724U (en) * | 2013-11-07 | 2014-04-30 | 中联重科股份有限公司 | Mast and engineering machinery vehicle equipped with same |
| CN104591013A (en) * | 2014-12-25 | 2015-05-06 | 徐州重型机械有限公司 | Multi-working-condition auxiliary boom structure and crane using same |
| CN204714403U (en) * | 2015-06-11 | 2015-10-21 | 张墩利 | A kind of extension mast and configure the engineering machinery vehicle of this mast |
| CN207251041U (en) * | 2017-09-19 | 2018-04-17 | 国网山东省电力公司济宁供电公司 | A kind of disconnecting switch lifting device |
| CN110526141A (en) * | 2019-08-16 | 2019-12-03 | 徐州市久发工程机械有限责任公司 | A kind of crane arm apparatus for turning of type fast erecting tower crane |
-
2019
- 2019-12-26 CN CN201911365775.8A patent/CN111115475A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203529805U (en) * | 2013-09-27 | 2014-04-09 | 徐州重型机械有限公司 | Belly-mounted type auxiliary boom structure and crane |
| CN203568724U (en) * | 2013-11-07 | 2014-04-30 | 中联重科股份有限公司 | Mast and engineering machinery vehicle equipped with same |
| CN103641000A (en) * | 2013-12-17 | 2014-03-19 | 徐州重型机械有限公司 | Crane and super-lifting device thereof |
| CN104591013A (en) * | 2014-12-25 | 2015-05-06 | 徐州重型机械有限公司 | Multi-working-condition auxiliary boom structure and crane using same |
| CN204714403U (en) * | 2015-06-11 | 2015-10-21 | 张墩利 | A kind of extension mast and configure the engineering machinery vehicle of this mast |
| CN207251041U (en) * | 2017-09-19 | 2018-04-17 | 国网山东省电力公司济宁供电公司 | A kind of disconnecting switch lifting device |
| CN110526141A (en) * | 2019-08-16 | 2019-12-03 | 徐州市久发工程机械有限责任公司 | A kind of crane arm apparatus for turning of type fast erecting tower crane |
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