CN216190599U - Super-lifting counterweight amplitude changing device and operation machine - Google Patents
Super-lifting counterweight amplitude changing device and operation machine Download PDFInfo
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- CN216190599U CN216190599U CN202122546557.3U CN202122546557U CN216190599U CN 216190599 U CN216190599 U CN 216190599U CN 202122546557 U CN202122546557 U CN 202122546557U CN 216190599 U CN216190599 U CN 216190599U
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Abstract
The utility model relates to the field of engineering machinery, and provides a super-lift counterweight amplitude changing device and an operating machine. The super-lifting support rod assembly at least comprises a first super-lifting support rod, a second super-lifting support rod and a third super-lifting support rod which are sequentially hinged. The adjusting component is used for adjusting the opening and closing angle between the adjacent support rods and at least comprises a first adjusting component and a second adjusting component, wherein the second adjusting component is arranged between the hinge points of the second super-lifting support rod and the third super-lifting support rod. The multi-stage super-lifting support rod is arranged, so that the length of the second section of the support rod is increased, the extension range of the super-lifting balance weight is enlarged, and the lifting capacity is improved. When the super-lift counterweight is withdrawn, the opening and closing angle between adjacent support rods is further reduced through the adjusting assembly, so that the second section and the upper section of the support rod are closer to the first section of the support rod, and the operation space is saved. The super-lift counterweight amplitude changing device realizes the large maximum radius and small minimum radius of the super-lift counterweight, the large super-lift radius adjusting range and the wide application range.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a super-lift counterweight amplitude changing device and an operation machine.
Background
When the large-tonnage and ultra-large-tonnage crawler cranes are constructed, particularly when the cranes are constructed on the sea, the super-lift counterweight needs to be retracted as far as possible by using the super-lift support rods, the radius of the super-lift counterweight is reduced, the operation space is saved, or the super-lift counterweight suspension technology is realized in an auxiliary matching manner. Or the super-lift support rod is required to be extended out of the super-lift counterweight as much as possible, and the radius of the super-lift counterweight is increased, so that the hoisting capacity is improved.
At present, as shown in fig. 1, the structural form for changing the radius of the super-lift counterweight is to arrange two folding super-lift support rods 100 between the crane and the super-lift counterweight, arrange an oil cylinder 200 between the two folding super-lift support rods 100, and realize the change of the radius of the super-lift counterweight through the expansion and contraction of the oil cylinder 200.
However, the existing super-lift counterweight luffing structure has a limited adjustment range. If the maximum radius of the super-lift counterweight is larger, the minimum radius of the super-lift counterweight is correspondingly larger, and the occupied space is large after the super-lift counterweight is withdrawn. On the contrary, if the minimum radius of the super-lift counterweight is smaller, the maximum radius of the super-lift counterweight is correspondingly smaller, and the hoisting capacity after the super-lift counterweight is stretched out is weaker.
Therefore, how to solve the problem that the radius adjusting range of the super-lift counterweight luffing structure in the prior art is limited and the use requirements under different super-lift counterweight radii cannot be met simultaneously becomes an important technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a super-lift counterweight luffing device and an operating machine, which are used for solving the problems that in the prior art, the super-lift counterweight radius adjusting range of a super-lift counterweight luffing structure is limited, and the use requirements under different super-lift counterweight radii cannot be met simultaneously.
The utility model provides a super-lift counterweight amplitude changing device, which comprises:
the super-lifting support rod assembly at least comprises a first super-lifting support rod, a second super-lifting support rod and a third super-lifting support rod which are sequentially hinged;
the adjusting assembly at least comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is arranged between the first super-lifting support rod and the second super-lifting support rod and used for adjusting the opening and closing angle between the first super-lifting support rod and the second super-lifting support rod, and the second adjusting assembly is arranged between the hinge point of the second super-lifting support rod and the hinge point of the third super-lifting support rod and used for adjusting the opening and closing angle between the second super-lifting support rod and the third super-lifting support rod.
According to the super-lift counterweight amplitude changing device provided by the utility model, the first adjusting assembly and/or the second adjusting assembly are/is arranged into a telescopic assembly.
According to the super-lift counterweight amplitude changing device provided by the utility model, the telescopic assembly is set to be a hydraulic cylinder.
According to the super-lift counterweight amplitude variation device provided by the utility model, the first adjusting assembly is hinged between the first super-lift support rod and the second super-lift support rod, and the second adjusting assembly is hinged between the hinge point of the second super-lift support rod and the hinge point of the third super-lift support rod.
According to the super-lift counterweight luffing device provided by the utility model, at the hinged position of the second super-lift support rod and the third super-lift support rod, the second super-lift support rod is provided with a first hinged point and a second hinged point, the third super-lift support rod is correspondingly provided with a third hinged point and a fourth hinged point, and the second adjusting component is arranged between the first hinged point and the third hinged point or between the second hinged point and the fourth hinged point.
The super-lift counterweight amplitude changing device further comprises a fixing frame for stabilizing the super-lift counterweight, one end of the fixing frame is suitable for being connected with one end, far away from the rotary table, of the super-lift strut assembly, and the other end of the fixing frame is used for being connected with the rotary table.
According to the super-lift counterweight amplitude variation device provided by the utility model, one end of the fixing frame is hinged with one end of the third super-lift support rod close to the super-lift counterweight.
The utility model also provides a working machine which comprises a rotary table, a super-lift counterweight and a super-lift counterweight amplitude variation device arranged on the rotary table, wherein the super-lift counterweight amplitude variation device is the super-lift counterweight amplitude variation device, and the super-lift counterweight amplitude variation device is connected with the super-lift counterweight.
According to the work machine provided by the utility model, one end of the first super lift brace is hinged with the rotary table, one end of the third super lift brace is hinged with the super lift counterweight, and the other end of the first super lift brace and the other end of the third super lift brace are respectively hinged with two ends of the second super lift brace.
According to the working machine provided by the utility model, the working machine further comprises a pulling plate, and one end of the pulling plate and one end of the third super lifting support rod are hinged with the super lifting counterweight.
The utility model provides a super-lift counterweight amplitude changing device which comprises a super-lift support rod assembly and an adjusting assembly. The super-lifting support rod assembly at least comprises a first super-lifting support rod, a second super-lifting support rod and a third super-lifting support rod which are sequentially hinged. The adjusting component at least comprises a first adjusting component and a second adjusting component, and the first adjusting component is arranged between the first super-lifting support rod and the second super-lifting support rod and used for adjusting the opening and closing angle between the first super-lifting support rod and the second super-lifting support rod. The second adjusting component is arranged between the hinge point of the second super-lifting support rod and the hinge point of the third super-lifting support rod and used for adjusting the opening and closing angle between the second super-lifting support rod and the third super-lifting support rod. Like this, set up multistage super brace rod and be equivalent to increased super brace rod second section and above length to increased super counter weight's extension scope, improved hoist and mount ability. When withdrawing the super-lift counter weight, through the control of second adjusting part, further reduce the second and surpass the vaulting pole and the third surpass the angle that opens and shuts between the vaulting pole for surpass the vaulting pole second section and above be close to more and surpass the first section of vaulting pole, save the working space. This super-lift counterweight luffing device has realized that the biggest radius of super-lift counterweight is big, and minimum radius is little, and super-lift counterweight radius control range is big, and the range of application is wide to it is limited to have solved among the prior art super-lift counterweight radius control range of super-lift counterweight luffing structure, can't satisfy the problem of the user demand under the different super-lift counterweight radiuses simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a prior art super-lift counterweight luffing apparatus;
FIG. 2 is one of the schematic structural views of a super-lift counterweight luffing apparatus provided by the present invention;
FIG. 3 is a second schematic structural view of a super-lift counterweight luffing apparatus according to the present invention;
FIG. 4 is a third schematic structural view of a super-lift counterweight luffing apparatus provided by the present invention;
FIG. 5 is a schematic view of a portion of FIG. 2 at A;
FIG. 6 is a partial schematic view of FIG. 3 at B;
FIG. 7 is a partial schematic view of FIG. 4 at C;
reference numerals:
100: folding the super lift struts; 200: an oil cylinder;
1: a first superlift strut; 2: a second superlift strut; 3: a third superlift strut;
4: a first adjustment assembly; 5: a second adjustment assembly; 6: a first hinge point;
7: a second hinge point; 8: a third hinge point; 9: a fourth hinge point;
10: a fixed mount; 11: a turntable; 12: lifting the balance weight;
13: and (5) pulling the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The super lift weight luffing apparatus of the present invention is described below in conjunction with fig. 2-7.
As shown in fig. 2-4, an embodiment of the present invention provides a super lift weight luffing apparatus comprising a super lift strut assembly and an adjustment assembly. Specifically, the super-lift brace rod assembly at least comprises a first super-lift brace rod 1, a second super-lift brace rod 2 and a third super-lift brace rod 3 which are sequentially hinged. As shown in fig. 4, the first super lift brace 1 is hinged to the second super lift brace 2, and the second super lift brace 2 is hinged to the third super lift brace 3, for example, by a pin.
The adjusting assembly at least comprises a first adjusting assembly 4 and a second adjusting assembly 5, the first adjusting assembly 4 is used for adjusting the opening and closing angle between the first super-lifting support rod 1 and the second super-lifting support rod 2, and the amplitude of the second super-lifting support rod 2 can be changed. The first adjusting component 4 is arranged between the first super-lifting support rod 1 and the second super-lifting support rod 2 and can be used as a main adjusting mechanism. When the opening and closing angle between the first super-lift support rod 1 and the second super-lift support rod 2 is increased, the super-lift reducing diameter is increased; when the opening and closing angle between the first super-lift support rod 1 and the second super-lift support rod 2 is reduced, the super-lift reducing diameter is reduced. The second adjusting component 5 is used for adjusting the opening and closing angle between the second super-lift support rod 2 and the third super-lift support rod 3, and the amplitude of the third super-lift support rod 3 can be changed. When the opening and closing angle between the second super-lift support rod 2 and the third super-lift support rod 3 is increased, the super-lift reducing diameter is further increased; when the opening and closing angle between the second super-lift support rod 2 and the third super-lift support rod 3 is reduced, the super-lift reducing diameter is further reduced. And the second adjusting component 5 is arranged between the hinge point of the second super-lifting support rod 2 and the hinge point of the third super-lifting support rod 3, so that the opening and closing angle between the second super-lifting support rod 2 and the third super-lifting support rod 3 can be adjusted more conveniently and flexibly. Of course, the number of the superlift brace rod components is not limited to three, and may be four, five, six, etc., and the specific number thereof may be determined according to the actual design requirement. Correspondingly, the number of the adjusting components is correspondingly increased, and the second adjusting components 5 and above are arranged between the hinge points of the two sections of the super-lifting support rods, for example, a third adjusting component is arranged between the hinge points of the third super-lifting support rod 3 and the fourth super-lifting support rod.
So set up, formed the structure that a multistage joint becomes width of cloth super lift vaulting pole. The multi-stage super-lifting support rod is equivalent to increase the length of the second section of the super-lifting support rod and above, so that the extension range of the super-lifting counter weight is enlarged, and the lifting capacity is improved. When withdrawing the super lift counter weight, through the control of second adjusting part 5, further reduce the second and surpass the vaulting pole 2 and the third surpass and play the angle that opens and shuts between the vaulting pole 3 for surpass to play the vaulting pole second section and above be close to more and surpass to play the first section of vaulting pole, save the working space. The super-lift counterweight luffing device has the advantages that the maximum radius of the super-lift counterweight is large, the minimum radius is small, the super-lift radius adjusting range is large, and the application range is wide, so that the problem that the super-lift counterweight radius adjusting range of a super-lift counterweight luffing structure in the prior art is limited, and the use requirements under different super-lift counterweight radiuses cannot be met simultaneously is solved.
In the embodiment of the present invention, the first adjusting assembly 4 and/or the second adjusting assembly 5 are provided as telescopic assemblies. Specifically, the first adjusting assembly 4 and the second adjusting assembly 5 are both telescopic assemblies, and for example, a hydraulic or mechanical telescopic structure may be adopted. Set up like this, through the extension and the shortening of flexible subassembly, drive adjacent two sections and surpass the vaulting pole swing to make its angle of opening and shutting grow or diminish, thereby realized the range change of super lifting counter weight, in order to satisfy different work demands.
In the embodiment of the present invention, the telescopic assembly is configured as a hydraulic cylinder, such as a telescopic cylinder or an air cylinder. In particular, the telescopic assembly may be a telescopic cylinder. And adjusting the telescopic oil cylinder to open and close two adjacent sections of super lifting support rods to realize the amplitude change of the super lifting balance weight. The first adjusting component 4 is a main oil cylinder and is used for controlling the amplitude of the second super lifting support rod 2. The second adjusting assembly 5 is used as a secondary adjusting oil cylinder and is arranged between the hinge point of the second super lifting support rod 2 and the third super lifting support rod 3 and used for controlling the amplitude of the third super lifting support rod 3. The connection position of the main oil cylinder and the specification of the main oil cylinder have a certain relation, so that the adjustment range of the super-lift reducing diameter can be changed. Generally, a master cylinder with particularly strong performance is needed to realize a connection position with a large adjustment range; on the contrary, the connection position is better, and the adjustment range beyond the starting radius is small. In this embodiment, because secondary adjusting cylinder and multistage super brace rod have been set up, consequently can move down the position that the second surpassed brace rod 2 was connected to the master cylinder, be convenient for better atress reduces the performance demand to the master cylinder, has increased simultaneously and has surpassed the length of brace rod second section and afterwards, and then increased and surpassed the counter weight radius. And the secondary adjusting oil cylinder is arranged between the hinge points of the two sections of super-lifting support rods, so that a short oil cylinder can be used, the structure is simpler, and the cost is lower. For example, the adjusting stroke of the short oil cylinder is 600mm, if the short oil cylinder extends out of 300mm, the super-lift counterweight can move for 2m, and the adjusting effect is more obvious. Of course, if a mechanical telescopic structure is adopted, for example, a telescopic rod is selected, the amplitude change of the super-lift counterweight can be realized.
In the embodiment of the utility model, the first adjusting component 4 is hinged between the first super-lift supporting rod 1 and the second super-lift supporting rod 2, and the second adjusting component 5 is hinged between the hinge point of the second super-lift supporting rod 2 and the hinge point of the third super-lift supporting rod 3, for example, is rotatably connected through a pin shaft. So set up, flexible subassembly and adjacent two sections surpass to play the vaulting pole homogeneous phase and articulate, are convenient for at adjacent two sections surpass to play the vaulting pole in-process that opens and shuts, can rotate in a flexible way, are convenient for adjust.
As shown in fig. 7, at the hinge position of the second super lift-up stay 2 and the third super lift-up stay 3, the second super lift-up stay 2 is provided with a first hinge point 6 and a second hinge point 7, the third super lift-up stay 3 is correspondingly provided with a third hinge point 8 and a fourth hinge point 9, and the second adjusting component 5 is arranged between the first hinge point 6 and the third hinge point 8 or between the second hinge point 7 and the fourth hinge point 9. For example, the first adjustment assembly 4 is a master cylinder and the second adjustment assembly 5 is a short cylinder. The short oil cylinder is hinged between the first hinge point 6 and the third hinge point 8, and the second hinge point 7 is connected with the fourth hinge point 9 through a pin shaft. If the radius of the super-lift counterweight is increased, as shown in fig. 2 and 5, the main oil cylinder is adjusted to extend to the limit state, and the short oil cylinder is in the retraction state. If the radius of the super-lift counterweight is reduced, as shown in fig. 3 and 6, the main oil cylinder is adjusted to be retracted to the limit state, and the short oil cylinder is in the extending state. At the moment, the third super lifting support rod 3 continuously moves inwards in a variable amplitude manner, and further recovery of the super lifting counterweight is completed. For another example, the short cylinder is hinged between the second hinge point 7 and the fourth hinge point 9, and the first hinge point 6 and the third hinge point 8 are connected by a pin. If the radius of the super-lifting counterweight is increased, the main oil cylinder is adjusted to extend to the limit state, and the short oil cylinder is in the extending state. If the radius of the super-lift counterweight is reduced, the main oil cylinder is adjusted to be retracted to the limit state, and the short oil cylinder is in the retracted state. By parity of reasoning, the fourth super-lift brace rod, the fifth super-lift brace rod and the like can be adjusted.
In the embodiment of the utility model, the super-lift counterweight amplitude variation device further comprises a fixed frame 10, one end of the fixed frame 10 is suitable for being connected with one end of the super-lift strut assembly far away from the rotary table, and the other end of the fixed frame is used for being connected with the rotary table 11. That is, the left end of the fixing frame 10 is adapted to be connected with the left end of the superlift strut assembly, and the right end of the fixing frame 10 is connected with the turntable 11, so as to stabilize the superlift weight 12. It should be noted that, in terms of the placement position of the super-lift counterweight luffing device shown in fig. 4, the left-right direction in the drawing is the left-right direction. Specifically, as shown in fig. 4, after the super-lift weight 12 is retracted, the left end of the fixing frame 10 is hinged to one end of the third super-lift brace 3 close to the super-lift weight 12, and the right end is hinged to the rotary table 11, for example, by a pin. When withdrawing super lift counter weight 12 like this, can stabilize super lift counter weight 12, realize super lift counter weight suspension technique for super lift counter weight 12 is not liftoff all the time around the hoist and mount, is convenient for revolve, has greatly saved the hoist and mount time.
The following describes the working machine provided by the present invention, and the working machine described below and the super-lift counterweight luffing device described above may be referred to with each other.
The embodiment of the utility model also provides the working machine, in particular to a crane and the like. The working machine comprises a rotary table 11, a super-lift counterweight 12 and a super-lift counterweight amplitude variation device arranged on the rotary table 11, wherein the super-lift counterweight amplitude variation device is the super-lift counterweight amplitude variation device in the above embodiments, and the super-lift counterweight amplitude variation device is connected with the super-lift counterweight 12. So set up, it is big to utilize super-lift counter weight to become width of cloth device can realize the biggest radius of super-lift counter weight, and minimum radius is little, and super-lift radius control range is big, and the range of application is wide to it is limited to have solved among the prior art super-lift counter weight radius control range of super-lift counter weight structure, can't satisfy the problem of the user demand under the different super-lift counter weight radiuses simultaneously. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect of the super-lift counterweight amplitude variation device, and therefore, the description is omitted here.
In the embodiment of the utility model, one end of the first super lifting support rod 1 is hinged with the rotary table 11, one end of the third super lifting support rod 3 is hinged with the super lifting counterweight 12, and the other end of the first super lifting support rod 1 and the other end of the third super lifting support rod 3 are respectively hinged with two ends of the second super lifting support rod 2. The first super lift brace 1 and the second super lift brace 2 are respectively provided with a hinge point for connecting the first adjusting component 4. The first hinge point 6 of the second super-lift supporting rod 2 and the third hinge point 8 of the third super-lift supporting rod 3 are used for connecting the second adjusting component 5, and the second hinge point 7 of the second super-lift supporting rod 2 and the fourth hinge point 9 of the third super-lift supporting rod 3 are connected through a pin shaft. Thereby changing the radius of the super-lift counterweight by adjusting the amplitude of the second super-lift brace rod 2 and the third super-lift brace rod 3.
In the embodiment of the utility model, the working machine further comprises a pulling plate 13, and one end of the pulling plate 13 and one end of the third super lifting support rod 3 are hinged with the super lifting counterweight 12. The pulling plate 13 is used as a main stress part and acts together with the third super-lifting support rod 3 to realize the front-back height translation adjustment of the super-lifting counterweight 12.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A super-lift counterweight luffing device, comprising:
the super-lifting support rod assembly at least comprises a first super-lifting support rod, a second super-lifting support rod and a third super-lifting support rod which are sequentially hinged;
the adjusting assembly at least comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is arranged between the first super-lifting support rod and the second super-lifting support rod and used for adjusting the opening and closing angle between the first super-lifting support rod and the second super-lifting support rod, and the second adjusting assembly is arranged between the hinge point of the second super-lifting support rod and the hinge point of the third super-lifting support rod and used for adjusting the opening and closing angle between the second super-lifting support rod and the third super-lifting support rod.
2. The super lift weight horn of claim 1 wherein said first conditioning assembly and/or said second conditioning assembly is provided as a telescoping assembly.
3. The super lift weight luffing apparatus of claim 2 wherein the telescoping assembly is configured as a hydraulic cylinder.
4. The superlift counterweight luffing apparatus of claim 2 wherein the first adjustment assembly is articulated between the first superlift strut and the second superlift strut, and the second adjustment assembly is articulated between the articulation point of the second superlift strut and the articulation point of the third superlift strut.
5. The super-lift counterweight luffing device of claim 4, wherein the second super-lift strut is provided with a first hinge point and a second hinge point at the hinge position of the second super-lift strut and the third super-lift strut, the third super-lift strut is correspondingly provided with a third hinge point and a fourth hinge point, and the second adjusting assembly is arranged between the first hinge point and the third hinge point or between the second hinge point and the fourth hinge point.
6. The super lift counterweight luffing apparatus of claim 1 further comprising a mount adapted to be coupled to the super lift strut assembly at one end remote from the turret and at another end for coupling to the turret.
7. The super lift weight luffing apparatus of claim 6 wherein one end of the mount is hinged to an end of the third super lift strut proximate the super lift weight.
8. A working machine comprising a turntable, a super-lift counterweight and a super-lift counterweight luffing device arranged on the turntable, wherein the super-lift counterweight luffing device is a super-lift counterweight luffing device according to any one of claims 1 to 7, the super-lift counterweight luffing device being connected to the super-lift counterweight.
9. The work machine of claim 8, wherein one end of said first superlift brace is hinged to said turret, one end of said third superlift brace is hinged to said superlift counterweight, and the other ends of said first superlift brace and said third superlift brace are hinged to the two ends of said second superlift brace, respectively.
10. The work machine of claim 9, further comprising a pull plate, wherein one end of the pull plate and one end of the third superlift strut are each hingedly connected to the superlift weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122546557.3U CN216190599U (en) | 2021-10-21 | 2021-10-21 | Super-lifting counterweight amplitude changing device and operation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122546557.3U CN216190599U (en) | 2021-10-21 | 2021-10-21 | Super-lifting counterweight amplitude changing device and operation machine |
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| Publication Number | Publication Date |
|---|---|
| CN216190599U true CN216190599U (en) | 2022-04-05 |
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|---|---|---|---|
| CN202122546557.3U Active CN216190599U (en) | 2021-10-21 | 2021-10-21 | Super-lifting counterweight amplitude changing device and operation machine |
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| Country | Link |
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| CN (1) | CN216190599U (en) |
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2021
- 2021-10-21 CN CN202122546557.3U patent/CN216190599U/en active Active
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