CN216105718U - Crane and novel super-lifting amplitude-changing system connecting structure thereof - Google Patents
Crane and novel super-lifting amplitude-changing system connecting structure thereof Download PDFInfo
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- CN216105718U CN216105718U CN202121965311.3U CN202121965311U CN216105718U CN 216105718 U CN216105718 U CN 216105718U CN 202121965311 U CN202121965311 U CN 202121965311U CN 216105718 U CN216105718 U CN 216105718U
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Abstract
The utility model discloses a super-lifting amplitude-variable system connecting structure which comprises a bottom joint arm, a lifting joint, a middle joint and a top joint arm which are sequentially connected from bottom to top, wherein the lifting joint is provided with a super-lifting amplitude-variable winch, the top joint arm is provided with a guide pulley, the upper end of the top joint arm is provided with a pulley block connecting frame, the pulley block connecting frame is detachably connected with a super-lifting amplitude-variable pulley block, a super-lifting amplitude-variable steel wire rope extending out of the super-lifting amplitude-variable winch penetrates into a pulley of the super-lifting amplitude-variable pulley block after passing through the guide pulley, the super-lifting amplitude-variable pulley block is provided with a first connecting piece structure, the lifting joint is provided with a second connecting piece structure, and the first connecting piece structure is connected with the second connecting piece structure after the super-lifting amplitude-variable pulley block is detached from the pulley block connecting frame. The utility model also discloses a crane comprising the super-lifting amplitude varying system connecting structure. The crane and the novel super-lifting luffing system connecting structure thereof can improve the convenience and efficiency of crane disassembly and assembly.
Description
Technical Field
The utility model relates to a crane and a novel super-lifting amplitude-changing system connecting structure thereof, belonging to the technical field of crawler cranes.
Background
Along with the large-scale development of hoisting components, the tonnage of the crawler crane is gradually increased, and the vehicle body is also gradually developed to be large-scale, so that a series of problems in the processes of design, transportation, dismounting and the like are caused, the construction period in the industry is short at present, and the requirement of a user on the dismounting efficiency of the crane is higher and higher.
At present, a fixed pulley is arranged on a top knuckle arm of a super-lift mast, a super-lift amplitude-variable pulley block is a movable pulley, the fixed pulley and the super-lift amplitude-variable pulley block are connected together through a super-lift amplitude-variable steel wire rope to realize the static supporting function of a main arm or components such as an auxiliary arm and a tower arm which are attached to the main arm, and the dynamic amplitude variation of the main arm or components such as the auxiliary arm and the tower arm which are attached to the main arm is realized by controlling the super-lift amplitude-variable winch to shrink the super-lift amplitude-variable steel wire rope. A super-lifting amplitude-variable pulley block fixing support is designed on a super-lifting mast top-section arm main structure, when in a transportation state, a super-lifting amplitude-variable pulley block is fixed on the support, then the top-section arm is integrally lifted to a winch section, and two sections of arms are connected into a whole to be transported integrally.
The current solutions have the following drawbacks. Firstly, the operation is inconvenient, when tearing open the car, need be connected super luffing block with the fixed bolster on the top knuckle arm earlier, and the fixed bolster arranges plane department under the top knuckle arm, and this structure leads to needing to hang super luffing block and fill in it to top knuckle arm below with the help of supplementary crane, is connected with fixed bolster and fixed knot structure again, and this operation is extremely inconvenient. Secondly, the disassembly and assembly efficiency is low, when the vehicle is disassembled, the structural combination needs to be connected with the super-lifting amplitude-variable pulley block and the fixed support on the top knuckle arm firstly, and then the whole vehicle is integrally hung to the winch knuckle for connection, so that the whole process is complex in operation, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a crane and a novel super-lifting amplitude-varying system connecting structure thereof, wherein the crane can improve the dismounting convenience and the dismounting efficiency of the crane.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a super luffing system connection structure, includes from bottom knuckle arm, hoist section, intermediate node and the top knuckle arm that up connects gradually down, be provided with super luffing winch on the hoist section, be provided with guide pulley on the top knuckle arm, the upper end of top knuckle arm is provided with the assembly pulley link, can dismantle on the assembly pulley link and be connected with super luffing pulley block, super luffing wire rope that stretches out on the super luffing winch passes through penetrate behind the guide pulley in the pulley of super luffing pulley block, be provided with first connecting piece structure on the super luffing pulley block, be provided with second connecting piece structure on the hoist section, super luffing pulley block follows dismantle the back on the assembly pulley link, first connecting piece structure and second connecting piece structural connection.
One end of the pulley block connecting frame is provided with a large pin shaft hole connected with the pulley shaft of the top knuckle arm, the other end of the pulley block connecting frame is provided with a small pin shaft hole connected with the super lifting variable amplitude pulley block, and the pulley block connecting frame is connected with the super lifting variable amplitude pulley block through a pin shaft.
The pulley block connecting frame is of an ear plate group structure or a pulling plate structure.
And the winch knot is provided with a hinge point correspondingly connected with the upper hinge point on the super-lifting variable-amplitude pulley block.
The number of the first connecting piece structures and the number of the second connecting piece structures are both 4.
The first connecting piece structure and the second connecting piece structure are both provided with pin shaft holes, and the first connecting piece structure is connected with the second connecting piece structure through a connecting pin shaft.
A crane comprises the super-lifting amplitude-varying system connecting structure.
The utility model has the beneficial effects that: according to the crane and the novel super-lifting amplitude-varying system connecting structure thereof, only the guide pulley block is arranged on the top knuckle arm, and the pulley block for amplitude variation of the super-lifting system is arranged on the lower amplitude-varying pulley block of the super-lifting amplitude-varying pulley block, so that the amplitude-varying pulley for amplitude variation can form a small system, and the small amplitude-varying pulley system can be moved as required during dismounting and mounting of the crane; the connecting piece structure is arranged on the hoisting node, and when in transportation, the connecting piece structure on the super-lifting amplitude-variable pulley block is connected with the connecting piece structure on the hoisting node, so that the complicated step of dismounting and mounting the super-lifting amplitude-variable steel wire rope can be effectively avoided, and the dismounting and mounting efficiency is improved; the winch knot, the winch mechanism and the super-lifting amplitude-changing pulley block are integrally transported, so that the limitation of super-length and super-weight in a transportation state is solved.
Drawings
FIG. 1 is a schematic diagram of the general structure of a novel super-amplitude-varying system connection structure of the utility model;
FIG. 2 is a schematic view of a connecting structure of a top knuckle arm and a pulley block connecting frame in the utility model;
FIG. 3 is a schematic structural view of a pulley block connecting frame according to the present invention;
FIG. 4 is a schematic view of a connecting structure of a super-lifting variable-amplitude pulley block and a pulley block connecting frame in the utility model;
FIG. 5 is a view of the position structure of the first connecting member structure on the super luffing pulley block in the present invention;
FIG. 6 is a view showing a structure of a second link structure on a hoisting node according to the present invention;
FIG. 7 is a diagram of the position structure of the super-lifting luffing pulley block on the hoisting node in the retracted state of the utility model;
FIG. 8 is a relative position structure diagram of the top knuckle arm, the super-lifting luffing pulley block and the pulley block connecting frame structure in the working state;
fig. 9 is a schematic view of a connecting structure between the top knuckle arm and the super-lifting amplitude-changing pulley block.
The reference numbers in the figures are as follows: 1-a bottom knuckle arm; 2-a hoisting section; 3-middle section; 4-top knuckle arm; 5-super-lifting amplitude-variable winding; 6-super amplitude-variable steel wire rope; 7-a guide pulley; 8-super amplitude pulley block; 9-a pulley block connecting frame; 10-a pin shaft; 11-a first connector structure; 12-second connector configuration.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
As shown in fig. 1, the utility model provides a super-lifting luffing system connecting structure, which comprises a bottom arm 1, a hoisting joint 2, a middle joint 3 and a top arm 4, which are sequentially connected from bottom to top, wherein the bottom arm 1, the hoisting joint 2, the middle joint 3 and the top arm 4 form a super-lifting mast system. The hoisting node 2 is provided with a super-lifting variable-amplitude winch 5, the top node arm 4 is provided with a guide pulley 7, the upper end of the top node arm 4 is provided with a pulley block connecting frame 9, and the pulley block connecting frame 9 is detachably connected with a super-lifting variable-amplitude pulley block 8. The pulley block connecting frame structure 9 on the top knuckle arm 4 can flexibly connect and separate the super-lifting luffing pulley block and the super-lifting mast, and is convenient to operate, time-saving and labor-saving. The pulley block connecting frame structure 9 is structurally provided with a lubricating system, so that the service lives of the pulley block connecting frame structure and the pulley shaft can be effectively prolonged. And a super-lifting amplitude-variable steel wire rope 6 extending out of the super-lifting amplitude-variable winch 5 passes through a guide pulley 7 and then penetrates into a pulley of a super-lifting amplitude-variable pulley block 8. As shown in fig. 5 and 6, the super-lifting variable-amplitude pulley block 8 is provided with a first connecting piece structure 11, the winch section 2 is provided with a second connecting piece structure 12, and after the super-lifting variable-amplitude pulley block 8 is detached from the pulley block connecting frame 9, the first connecting piece structure 11 is connected with the second connecting piece structure 12.
As shown in fig. 2 and 4, one end of the pulley block connecting frame 9 is provided with a large pin shaft hole connected with the pulley shaft of the top knuckle arm 4, the other end of the pulley block connecting frame is provided with a small pin shaft hole connected with the super-lifting variable-amplitude pulley block 8, and the pulley block connecting frame 9 is connected with the super-lifting variable-amplitude pulley block 8 by a pin shaft 10. The pulley block connecting frame 9 is of an ear plate group structure or a pulling plate structure. As shown in fig. 3, the pulley block connecting frame 9 is of an ear plate group structure, one end of which is provided with a large hole and is provided with a lubricating device; the other end is provided with two groups of small holes which are connected with the super-lifting amplitude-changing pulley block 8. As shown in fig. 9, the pulley block connecting frame 9 is a pulling plate structure, a large hole at one end is connected with the pulley shaft, and a single small hole at one end is connected with the super-lifting variable-amplitude pulley block 8. The number of the first connecting piece structures 11 and the second connecting piece structures 12 is 4, and four groups of connecting structures are formed. Pin shaft holes are formed in the first connecting piece structure 11 and the second connecting piece structure 12, and the first connecting piece structure 11 is connected with the second connecting piece structure 12 through a connecting pin shaft.
The winch joint 2 is provided with a hinge point correspondingly connected with a hinge point on the super-lifting amplitude-variable pulley block 8. The winch nodes 2 are four groups of hinge points, the hinge points are close to the position near the super-lifting variable- amplitude reel 5, 4 groups of hinge points on the super-lifting variable-amplitude pulley block which is contracted together are correspondingly connected with the 4 groups of hinge points, and the super-lifting variable-amplitude pulley block 8 and the winch nodes 2 can be connected into a whole for transportation.
When the vehicle is dismounted, the upper and lower amplitude pulley blocks of the super-lifting amplitude pulley block 8 are retracted to a transportation mode by retracting the super-lifting amplitude-changing steel wire rope 6, at the moment, the pin shaft 10 at the joint of the super-lifting amplitude-changing pulley block 8 and the pulley block connecting frame structure 9 is disconnected, and the super-lifting amplitude-changing pulley block 8 and the pulley block connecting frame structure 9 are separated, as shown in fig. 4. The super-lifting amplitude-variable pulley block 8 is lifted to the winch section 2 from the upper part of the super-lifting mast arm section by using an auxiliary crane, and a first connecting piece structure 11 (shown in figure 5) on the super-lifting amplitude-variable pulley block 8 is connected with a second connecting piece structure 12 (shown in figure 6) on the middle winch section 2 structure, as shown in figure 7, the super-lifting amplitude-variable steel wire rope 6 needs to be continuously contracted in the process, and the integrated transportation of related parts of the super-lifting amplitude-variable system is realized on the premise that the super-lifting amplitude-variable steel wire rope does not need to be repeatedly disassembled and assembled. The arrangement of the web members of the hoisting node 2 enables the super-lifting amplitude-changing pulley block to be embedded into the main structure of the hoisting node 2 in a super-lifting amplitude-changing hoisting and transportation state, and effectively solves the limitation of super-height in a transportation intersection standard.
When loading, after the bottom section arm 1, the winch section 2, the middle section 3 and the top section arm 4 are connected, the connecting pin shaft at the connecting piece structures (the first connecting piece structure 11 in fig. 5 and the second connecting piece structure 12 in fig. 6) in the super-lifting amplitude-variable pulley block 8 and the winch section 2 in fig. 9 is opened, the super-lifting amplitude-variable steel wire rope 6 on the super-lifting amplitude-variable winch 5 is released, the super-lifting amplitude-variable pulley block 8 is lifted to the pulley block connecting frame structure 9 of the top section arm 4 by an auxiliary crane, and the connecting pin shaft 10 is connected after the pin shaft hole of the super-lifting amplitude-variable pulley block 8 is aligned with the pin shaft hole of the pulley block connecting frame structure 9. And connecting other related components and lifting the super-lifting amplitude-changing system to a working state, wherein the relative position relationship of the top knuckle arm, the super-lifting amplitude-changing pulley block and the pulley block connecting frame structure is shown in the working state of fig. 8.
The utility model also discloses a crane which comprises the super-lifting amplitude varying system connecting structure.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (7)
1. A super amplitude system connection structure that rises, its characterized in that: the super-lifting luffing winch comprises a bottom knuckle arm (1), a winch section (2), a middle knuckle (3) and a top knuckle arm (4) which are sequentially connected from bottom to top, wherein a super-lifting luffing winch (5) is arranged on the winch section (2), a guide pulley (7) is arranged on the top knuckle arm (4), a pulley block connecting frame (9) is arranged at the upper end of the top knuckle arm (4), a super-lifting pulley block (8) is detachably connected onto the pulley block connecting frame (9), a super-lifting luffing steel wire rope (6) extending out of the super-lifting luffing winch (5) penetrates into a pulley of the super-lifting luffing pulley block (8) after passing through the guide pulley (7), a first connecting piece structure (11) is arranged on the super-lifting luffing pulley block (8), a second connecting piece structure (12) is arranged on the winch section (2), and the super-lifting luffing pulley block (8) is detached from the pulley block connecting frame (9), the first connector structure (11) and the second connector structure (12) are connected.
2. The super-luffing system connection structure of claim 1, wherein: one end of the pulley block connecting frame (9) is provided with a large pin shaft hole connected with the pulley shaft of the top knuckle arm (4), the other end of the pulley block connecting frame is provided with a small pin shaft hole connected with the super-lifting variable-amplitude pulley block (8), and the pulley block connecting frame (9) is connected with the super-lifting variable-amplitude pulley block (8) through a pin shaft (10).
3. The super-luffing system connection structure of claim 1, wherein: the pulley block connecting frame (9) is of an ear plate group structure or a pulling plate structure.
4. The super-luffing system connection structure of claim 1, wherein: and the winch joint (2) is provided with a hinge point correspondingly connected with a hinge point on the super-lifting amplitude-changing pulley block (8).
5. The super-luffing system connection structure of claim 1, wherein: the number of the first connecting piece structures (11) and the number of the second connecting piece structures (12) are both 4.
6. The super-luffing system connection structure of claim 1, wherein: the first connecting piece structure (11) and the second connecting piece structure (12) are both provided with pin shaft holes, and the first connecting piece structure (11) is connected with the second connecting piece structure (12) through a connecting pin shaft.
7. A crane, characterized by: comprising the super horn attachment structure of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965311.3U CN216105718U (en) | 2021-08-20 | 2021-08-20 | Crane and novel super-lifting amplitude-changing system connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121965311.3U CN216105718U (en) | 2021-08-20 | 2021-08-20 | Crane and novel super-lifting amplitude-changing system connecting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216105718U true CN216105718U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121965311.3U Active CN216105718U (en) | 2021-08-20 | 2021-08-20 | Crane and novel super-lifting amplitude-changing system connecting structure thereof |
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| Country | Link |
|---|---|
| CN (1) | CN216105718U (en) |
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- 2021-08-20 CN CN202121965311.3U patent/CN216105718U/en active Active
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