CN203545535U - Auxiliary arm and crane - Google Patents
Auxiliary arm and crane Download PDFInfo
- Publication number
- CN203545535U CN203545535U CN201320597387.4U CN201320597387U CN203545535U CN 203545535 U CN203545535 U CN 203545535U CN 201320597387 U CN201320597387 U CN 201320597387U CN 203545535 U CN203545535 U CN 203545535U
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- arm
- head
- adapter
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- arm head
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 241000288140 Gruiformes Species 0.000 description 19
- 230000000694 effects Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000124872 Grus grus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses an auxiliary arm and a crane. The auxiliary arm is connected with a main arm of the crane and comprises an arm head, a steel wire rope, a superlift bracket, a variable-amplitude pull plate, a rope passing bracket and a switching head connected with the main arm, wherein the switching head is arranged between a lower joint of the start end of the arm head and the main arm and is connected with the lower joint of the start end of the arm head and the main arm respectively; the rope passing bracket is arranged between the switching head and the arm head and is connected with a first joint on the switching head and the lower joint of the start end of the arm head respectively; one end of the variable-amplitude pull plate is connected with the tail end of the arm head, and the other end of the variable-amplitude pull plate is connected with the superlift bracket; the superlift bracket is arranged on the switching head or the arm head; the steel wire rope is connected to the superlift bracket. Therefore, the auxiliary arm can increase the height of a superlift strut, enlarge the amplitude and increase the lifting height and is convenient to assemble and disassemble.
Description
Technical Field
The utility model relates to an engineering machine tool field, in particular to fly jib and hoist.
Background
In order to meet the requirement of hoisting a large-tonnage crane fan, the amplitude and the height of the hoisting performance, the hoisting performance and the dismounting and mounting problem of the large-tonnage crane need to be considered. Therefore, the hoisting performance of the crane needs to be improved, and the support is lifted by adopting the super-lifting device and the fulcrum. The super-lifting device can effectively improve the deformation of a crane boom and enhance the lifting and loading performance of the crane.
However, because the position of the pull-forward point of the super-lift device is too low, the reaction moment of the super-lift device on the boom is small, and the axial force of the boom frame is influenced, so that the strength and the stability of the boom frame are influenced. Particularly, for a part of high-power fans in the fan industry, the hoisting height and the hoisting weight are large, the working conditions of the main arm of a common crane are difficult to meet, and the amplitude and the height of the working conditions of the main arm of the crane cannot meet the hoisting requirements.
In addition, the high-power fan needs structures such as a tower arm for hoisting, the structure of the high-power fan is complex, and the processes of transition, assembly and disassembly of the crane are time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an fly jib and be provided with hoist of this fly jib can improve the height that surpasss the fulcrum, and the range of increase improves the carry height, and easy dismounting.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
on the one hand, the utility model provides an auxiliary jib, this auxiliary jib is connected with the main arm of hoist, and this auxiliary jib includes: the device comprises a boom head, a steel wire rope, a super-lifting support, a variable amplitude pulling plate, a rope passing support and an adapter for connecting with the main boom; the adapter is arranged between a lower connecting point at the beginning end of the arm head and the main arm and is respectively connected with the lower connecting point and the main arm; the rope passing support is arranged between the adapter and the arm head and is respectively connected with a first connecting point on the adapter and a lower connecting point at the starting end of the arm head; one end of the variable amplitude pulling plate is connected with the tail end of the arm head, the other end of the variable amplitude pulling plate is connected with the super-lifting support, the super-lifting support is arranged on the adapter or the arm head, and the steel wire rope is connected to the super-lifting support.
Further, in the above device, the support is set up to surpass when the adapter, respectively with second tie point and third tie point on the adapter are connected.
Optionally, in the above apparatus, the adapter is connected to a lower connection point at the beginning of the arm head by a hinge pin or by direct welding.
Optionally, in the above apparatus, a transition connection frame is disposed between the adaptor and the start end of the arm head, and the adaptor and the start end of the arm head are connected to each other through the transition connection frame; the head of the main arm is connected with the adapter and is connected with a lower connection point at the beginning end of the arm head through the rope passing support and the transition connection frame. Further, in the above device, the transition connection frame is a plate and/or chord tube welded body having a connection transition function.
Further, in the above-described device, a backward tilting prevention lever is provided between the arm head and the connection mechanism, and one end of the backward tilting prevention lever is connected to an upper connection point of a start end of the arm head.
Further, in the device, the super-lifting support is provided with a joint for penetrating the steel wire rope and connecting the amplitude-variable pulling plate.
Further, in the above device, the super-lift bracket is a truss structure connected to the luffing pull plate, and the truss structure is formed by fixedly connecting or hinging a plurality of chord pipes; the chord tube is of a variable cross-section or uniform cross-section structure formed by welding and is hinged or fixedly connected to the joint.
Further, in the above apparatus, the arm head is a truss structure having a variable cross-sectional form or a uniform cross-sectional form.
Compared with the prior art, the utility model discloses following advantage has:
the auxiliary arm of the utility model is provided with the super-lifting bracket at the position of the super-lifting front-pulling point on the main and auxiliary arm connecting bracket, which is used for lifting the super-lifting connecting point and increasing the height of the super-lifting fulcrum; the amplitude-variable pulling plate is arranged at the super-lift bracket and the head part of the jib head to change amplitude, so that the amplitude is increased, the suspension height is increased, and the stress of the auxiliary jib can be effectively improved. Therefore, the front pulling point heightening device is formed by adding the superlift bracket and the amplitude-variable pulling plate at the tail end of the main arm of the crane boom, and the stress of the crane boom can be effectively improved. And, the utility model discloses a whole simple structure of fly jib uses the assembly part as few as possible, and the time of crane jib, dismouting and transition is saved in easy dismouting. Therefore, the auxiliary arm of the embodiment can not only improve the height of the super-starting fulcrum, increase the amplitude and improve the hoisting height, but also is convenient to disassemble and assemble.
In addition, the crane can directly drive the whole auxiliary arm structure to transfer in a wind field, and the operation is very convenient.
On the other hand, the utility model also provides a hoist is provided with any of the aforesaid fly jib, the fly jib with the main arm of hoist is connected.
Since any one of the above-mentioned auxiliary booms has the above-mentioned technical effects, the crane provided with the auxiliary boom should also have corresponding technical effects, which will not be described herein.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic structural view of an auxiliary arm in an embodiment of the present invention;
FIG. 2 is a schematic side view of the super-lift bracket according to the embodiment of the present invention;
FIG. 3 is a schematic perspective view of a super-lift bracket according to an embodiment of the sub-arm of the present invention;
FIG. 4 is a schematic side view of an arm head according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of an arm head according to an embodiment of the present invention.
Description of the reference numerals
1 steel wire rope
12 joint
2 super-lift support
3 amplitude-variable pulling plate
4 anti-backward-tilting rod
5 arm head
51 lower connection point
52 end
53 upper connection point
6 rope passing support
7 transition connecting frame
8 switching head
81 first connection point
82 second connection point
83 third connection point
9 chord tube
10 chord tube
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The basic idea of the utility model is that: the utility model provides a design one kind and has surpassed the fly jib of support, the overhead support and the width of cloth arm-tie that surpass that set up of arm of this fly jib can improve jack-up height, increase jack-up range to whole simple structure uses the assembly parts as few as possible, and the time of saving the hoist and plays arm, dismouting and transition, and in addition, the hoist can directly take whole structure to transition in the wind field, and is very convenient.
The preferred embodiments of the present invention will be further described with reference to the accompanying drawings:
referring to fig. 1, there is shown the construction of the secondary arm of the present embodiment. In this embodiment, the auxiliary jib is connected to the main jib of the crane, and the auxiliary jib includes: the device comprises a boom head 5, a steel wire rope 1, a super-lifting support 2, a variable amplitude pulling plate 3, a rope passing support 6 and an adapter 8 for connecting with a main boom.
The adapter 8 is disposed between the lower connection point 51 at the start of the arm head 5 and the main arm, and is connected to the lower connection point and the main arm, respectively. The rope passing bracket 6 is arranged between the adapter 8 and the arm head 5 and is respectively connected with a first connecting point 81 on the adapter 8 and a lower connecting point 51 at the beginning of the arm head 5.
In this embodiment, one end of the variable amplitude pulling plate 3 is connected with the tail end 52 of the arm head 5, the other end of the variable amplitude pulling plate is connected with the super-lift bracket 2, the super-lift bracket 2 is arranged on the adapter 8 or the arm head 5, and the steel wire rope 1 is connected to the super-lift bracket 2.
It should be noted that the super lift bracket 2 for lifting the super lift connection point is additionally arranged at the position of the super lift front pull point so as to increase the reaction moment of the super lift on the crane arm. The super-lift bracket 2 is a lifting structure for a super-lift connection point, the connection mode of the super-lift bracket 2 and the adapter 8 or the arm head 5 can be welding or hinging, and the position can not be fixed, so that the super-lift bracket is not limited in the embodiment.
It should be noted that in this embodiment, the super-lift bracket 2 may be additionally provided at the transition portion of the main arm and the sub-arm, such as the joint 8, the transition connecting frame 7, or the start portion of the arm head 5, so as to increase the height of the super-lift fulcrum.
In this embodiment, the super-lift bracket 2 arranged on the boom head of the secondary boom can increase the height of the super-lift fulcrum, and the boom head 5 can also change the amplitude through the amplitude-changing pulling plate 3, so as to increase the amplitude and improve the suspension height, and effectively improve the stress of the secondary boom. Therefore, the fly jib of this embodiment not only can improve the jack-up height, increase jack-up range to whole simple structure uses the rigging part as few as possible, and easy dismouting saves the time that the hoist rises arm, dismouting and transition, and the hoist can directly take overall structure to transition in the wind field in addition, and is very convenient.
In a preferred embodiment, shown in figure 1, the outrigger 2, when placed at the adapter 8, is connected to a second connection point 82 and a third connection point 83, respectively, on the adapter 8.
In an alternative embodiment, the adapter 8 is connected to the lower connection point 51 at the beginning of the arm head 5 by means of a pin joint or by direct welding.
In another alternative embodiment, a transition connecting frame 7 is arranged between the adapter 8 and the beginning of the arm head 5, and the transition connecting frames 7 are connected with each other. The head of the main arm is connected with the adapter 8 and is connected with a lower connecting point 51 at the beginning end of the arm head 5 through the rope passing support 6 and the transition connecting support 7. Preferably, the transition frame 7 is a welded string tube.
It should be noted that the arm head 5 may be directly connected to the adapter 8, or may be connected to the adapter 8 by using the transition link 7. Main arm head connects adapter 8, is connected with arm head 5 through crossing rope support 6 and transitional coupling frame 7, becomes width of cloth through becoming width of cloth arm-tie 3, and wire rope 1 is connected to super-lift support 2, hangs heavy wire rope and crosses rope pulley and hang heavy pulley and be connected with the lifting hook on through transitional coupling frame 7 and arm head 5, prevents hypsokinesis pole 4 and prevents arm head 5 hypsokinesis, increase range and sling height.
In a preferred embodiment, a backward tilting prevention rod 4 is arranged between the arm head 5 and the connecting mechanism, and one end of the backward tilting prevention rod 4 is connected with an upper connecting point 53 at the beginning of the arm head 5. Thus, the present embodiment can vary the amplitude of the super lift bracket 2 and the amplitude pulling plate 3 at the head of the auxiliary jib, and prevent the structure from tilting backwards through the anti-tilting rod 4.
Referring to fig. 2 and 3, the structure of the rising stand 2 described in the above embodiments is shown, respectively. In this embodiment, the super-lift bracket 2 may be provided with a joint 12 for connecting the wire rope 1 and the luffing plate 3.
The super-lift bracket 2 can be a truss structure connected with the amplitude variation pulling plate 3, and the truss structure is formed by fixedly connecting or hinging a plurality of chord pipes. The chord tube is of a variable cross-section or uniform cross-section structure formed by welding and is hinged or fixedly connected to the joint 12. As shown, the chord tubes 9, 10 may be welded into a variable or constant cross-section configuration, and may be hinged or otherwise secured to the joint 12 portion.
In a preferred embodiment, the arm head 5 is a truss structure having a variable cross-sectional form or a constant cross-sectional form.
As shown in fig. 4 and 5, the structure of the arm head is a truss structure, and the shape thereof is not fixed.
It should be noted that the rope-passing pulley bracket can be connected with the arm head or directly welded with the arm head into a whole.
It should be noted that in the above embodiments, the auxiliary arm may be a fan auxiliary arm, and correspondingly, the arm head may be a fan arm head.
Compared with the prior art, the above embodiments of the utility model have the following advantages:
the auxiliary jib according to the embodiments is additionally provided with the super-lift bracket at the position of the super-lift front pull point for lifting the super-lift connection point, and the amplitude-change pull plate 3 is arranged at the position of the super-lift bracket and the head of the jib head for changing amplitude, so that the stress of the auxiliary jib is effectively improved. Therefore, the front pulling point heightening device is formed by adding the superlift bracket and the amplitude-variable pulling plate at the tail end of the main arm of the crane boom, and the stress of the crane boom can be effectively improved. And, the utility model discloses a whole simple structure of fly jib uses the assembly part as few as possible, and the time of crane jib, dismouting and transition is saved in easy dismouting, consequently, the fly jib of this embodiment not only can improve the jack-up height, increases the jack-up range to easy dismounting. In addition, the crane can directly drive the whole auxiliary arm structure to transfer in a wind field, and the operation is very convenient.
The embodiment of the utility model provides a still provide an engineering machine tool, for example the hoist, this engineering machine tool is equipped with any kind of above-mentioned fly jib, because any kind of above-mentioned fly jib has above-mentioned technological effect, consequently, the engineering machine tool that is equipped with this fly jib should also possess corresponding technological effect, and its specific implementation process is similar with above-mentioned embodiment, and the repetition is not repeated for a long time.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An auxiliary jib for connection to a main jib of a crane, comprising: the device comprises a boom head (5), a steel wire rope (1), a super-lifting support (2), a variable amplitude pulling plate (3), a rope passing support (6) and an adapter (8) for connecting with the main boom; wherein,
the adapter (8) is arranged between a lower connecting point (51) at the starting end of the arm head (5) and the main arm and is respectively connected with the lower connecting point and the main arm;
the rope passing support (6) is arranged between the adapter (8) and the arm head (5) and is respectively connected with a first connecting point (81) on the adapter (8) and a lower connecting point (51) at the starting end of the arm head (5);
one end of the variable amplitude pulling plate (3) is connected with the tail end (52) of the arm head (5), the other end of the variable amplitude pulling plate is connected with the super-lifting support (2), the super-lifting support (2) is arranged on the adapter (8) or the arm head (5), and the steel wire rope (1) is connected to the super-lifting support (2).
2. The secondary arm according to claim 1,
the super-lifting support (2) is arranged on the adapter (8) and is connected with a second connection point (82) and a third connection point (83) on the adapter (8) respectively.
3. The secondary arm according to claim 1,
the adapter (8) is connected with a lower connecting point (51) at the starting end of the arm head (5) in a hinge mode or a welding mode through a pin shaft.
4. The secondary arm according to claim 1,
a transition connecting frame (7) is arranged between the adapter (8) and the starting end of the arm head (5) and is connected with each other through the transition connecting frame (7);
the head of the main arm is connected with the adapter (8) and is connected with a lower connecting point (51) at the beginning end of the arm head (5) through the rope passing support (6) and the transition connecting frame (7).
5. The secondary arm according to claim 4,
the transition connecting frame (7) is a plate and/or chord tube welding body with a connecting transition function.
6. An auxiliary arm according to any of claims 1 to 5,
the anti-back-tilting arm is characterized in that an anti-back-tilting rod (4) is arranged between the arm head (5) and the connecting mechanism, and one end of the anti-back-tilting rod (4) is connected with an upper connecting point (53) at the beginning end of the arm head (5).
7. An auxiliary arm according to claim 6,
and a joint (12) for penetrating the steel wire rope (1) and connecting the amplitude-variable pulling plate (3) is arranged on the super-lifting support (2).
8. An auxiliary arm according to claim 7, characterized in that
The super-lifting support (2) is a truss structure connected with the amplitude variation pulling plate (3), and the truss structure is formed by fixedly connecting or hinging a plurality of chord pipes;
the chord tube is of a variable cross section or uniform cross section structure formed by welding and is hinged or fixedly connected to the joint (12).
9. An auxiliary arm according to claim 8,
the arm head (5) is a truss structure with a variable section form or a uniform section form.
10. A crane, characterized in that a secondary jib according to any one of claims 1 to 9 is provided, which secondary jib is connected to the main jib of the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597387.4U CN203545535U (en) | 2013-09-26 | 2013-09-26 | Auxiliary arm and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597387.4U CN203545535U (en) | 2013-09-26 | 2013-09-26 | Auxiliary arm and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203545535U true CN203545535U (en) | 2014-04-16 |
Family
ID=50463682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320597387.4U Expired - Fee Related CN203545535U (en) | 2013-09-26 | 2013-09-26 | Auxiliary arm and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203545535U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355245A (en) * | 2014-10-21 | 2015-02-18 | 徐州重型机械有限公司 | Independent arm head and crane |
| CN104401890A (en) * | 2014-10-16 | 2015-03-11 | 中联重科股份有限公司 | Crane boom and crane |
| CN105439008A (en) * | 2015-12-29 | 2016-03-30 | 中联重科股份有限公司 | Truss hinged structures, truss extension jibs, jib systems and cranes |
| CN108046141A (en) * | 2017-12-21 | 2018-05-18 | 徐工集团工程机械股份有限公司 | A kind of Auxiliary arm system suitable for mixing arm connection |
-
2013
- 2013-09-26 CN CN201320597387.4U patent/CN203545535U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401890A (en) * | 2014-10-16 | 2015-03-11 | 中联重科股份有限公司 | Crane boom and crane |
| CN104355245A (en) * | 2014-10-21 | 2015-02-18 | 徐州重型机械有限公司 | Independent arm head and crane |
| CN104355245B (en) * | 2014-10-21 | 2017-02-15 | 徐州重型机械有限公司 | Independent arm head and crane |
| CN105439008A (en) * | 2015-12-29 | 2016-03-30 | 中联重科股份有限公司 | Truss hinged structures, truss extension jibs, jib systems and cranes |
| CN105439008B (en) * | 2015-12-29 | 2017-07-18 | 中联重科股份有限公司 | Truss hinged structures, truss extension jibs, jib systems and cranes |
| CN108046141A (en) * | 2017-12-21 | 2018-05-18 | 徐工集团工程机械股份有限公司 | A kind of Auxiliary arm system suitable for mixing arm connection |
| CN108046141B (en) * | 2017-12-21 | 2023-08-15 | 徐工集团工程机械股份有限公司 | Auxiliary arm system suitable for mixed arm connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 |