CN218620024U - Super-lift pulling plate assembly and crane - Google Patents
Super-lift pulling plate assembly and crane Download PDFInfo
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- CN218620024U CN218620024U CN202223178853.3U CN202223178853U CN218620024U CN 218620024 U CN218620024 U CN 218620024U CN 202223178853 U CN202223178853 U CN 202223178853U CN 218620024 U CN218620024 U CN 218620024U
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- pulling plate
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- 230000004075 alteration Effects 0.000 description 1
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- 238000009435 building construction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of hoisting machinery, especially, relate to a super arm-tie subassembly and hoist. The super-lifting pulling plate assembly is used for connecting a super-lifting arm and a main arm and comprises a first pulling plate, a second pulling plate and a tail end pulling plate group, wherein a containing cavity extending along the length direction is formed in the first pulling plate, and the containing cavity is communicated along the width direction of the first pulling plate; the first end of the secondary segment pulling plate is inserted in the accommodating cavity in a sliding mode and is rotatably connected with the side wall of the accommodating cavity. At first, terminal arm-tie group is withdrawed completely and is the horizontal state, the time link arm-tie progressively inserts and holds the intracavity afterwards, and the first link arm-tie rotates simultaneously and is close to super arm-tie, and at last when super arm-tie arrives horizontal position, the time link arm-tie inserts completely and holds the intracavity, and the first link arm-tie is laminated with super arm-tie, accomplishes and surpasses withdrawing of arm-tie subassembly to reduce the space that super arm-tie subassembly took under the state of packing up, and simplified the structure of super arm-tie subassembly, reduced the arm-tie festival number.
Description
Technical Field
The utility model belongs to the technical field of hoisting machinery, especially, relate to a super arm-tie subassembly and hoist.
Background
In building construction, a crawler crane is generally selected for hoisting, transporting, loading and unloading and mounting materials. Along with the development of the building industry, the performance requirement of the crawler crane is improved, and the ultra-large crawler crane is designed and produced for realizing large lifting capacity and large-amplitude material handling. In order to fully exert the arm support performance of the large-scale crawler crane, the super-lifting device is added on the basis of the original crane. The super-lift device comprises a super-lift arm and a super-lift pulling plate assembly, one end of the super-lift arm is connected with one end of a main arm of the crawler crane, and the other end of the super-lift arm is connected with the other end of the main arm through the super-lift pulling plate assembly, so that the stability of the main arm of the crawler crane is improved, and the performance of the crane is improved.
In the prior art, the super-lift pulling plate assembly generally comprises a plurality of pulling plates, and when the super-lift pulling plate assembly is retracted, the super-lift arm is rotated to rotate all the pulling plates in the same plane, so that folding is completed. Aiming at the related technology, the occupied space of the super-lifting pulling plate assembly is larger after the folding is finished, and a larger storage space is needed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a super arm-tie subassembly and hoist aims at solving among the prior art great technical problem of required parking space after each section arm-tie is folding.
In order to achieve the above object, the present invention provides a super arm-tie subassembly that plays for connecting super arm-tie and main arm, include:
the first-section pulling plate is hinged with the super-lifting arm at a first end, the second end of the first-section pulling plate is open, an accommodating cavity which extends along the length direction and is provided with an opening deviating from the direction of the super-lifting arm is formed in the first-section pulling plate, and the accommodating cavity is communicated along the width direction of the first-section pulling plate;
the first end of the secondary pull plate is inserted in the accommodating cavity in a sliding manner and is rotatably connected with the side wall of the accommodating cavity; and
the head end of the tail end pulling plate group is hinged with the second end of the secondary pulling plate, and the tail end of the tail end pulling plate group is hinged with the main arm.
The utility model discloses an in the embodiment, be equipped with the guide part that extends along minor segment arm-tie length direction on the lateral wall that holds the chamber, the minor segment arm-tie slides along the guide part.
The utility model discloses an in the embodiment, the guide part is guiding hole or guide way, and the first end of inferior festival arm-tie is equipped with the round pin axle with guiding hole or guide way sliding fit, inferior festival arm-tie through round pin axle and the lateral wall rotatable coupling who holds the chamber.
The utility model discloses an in the embodiment, the second end orientation of first section arm-tie is equipped with first locating part towards the one side of surpassing the arm, the periphery butt of first locating part and inferior section arm-tie to along the width direction restriction inferior section arm-tie towards being close to the side swing of surpassing the arm.
The utility model discloses an in the embodiment, first locating part is the axle sleeve, and the axle sleeve passes through the fastener to be fixed on first section arm-tie, and the axle sleeve can use the fastener to rotate as the axle.
The utility model discloses an in the embodiment, terminal arm-tie group includes a plurality of head and the tail articulated arm-tie in proper order, is located to be equipped with the second locating part on the first arm-tie, and the second locating part is arranged towards one side of inferior festival arm-tie, and when inferior festival arm-tie and terminal arm-tie group were folding, second locating part and inferior festival arm-tie butt.
The utility model discloses an in the embodiment, the stopper that the second locating part extends for the length direction along the arm-tie, the stopper can be dismantled with the arm-tie that is located the head through setting up the second fastener and be connected.
The utility model discloses an in the embodiment, stopper orientation secondary tie plate's one side is including the inclined plane and the horizontal plane that connect gradually, and the inclined plane is close to secondary tie plate and terminal tie plate group's pin joint and arranges, and the head end of highly organizing from terminal tie plate of inclined plane increases in proper order towards terminal direction, when secondary tie plate and terminal tie plate group are folding, the surperficial butt laminating of inclined plane and secondary tie plate.
In an embodiment of the present invention, a rubber pad is disposed on one surface of the first locating part and the second locating part facing the secondary pull plate.
In an embodiment of the present invention, there is also provided a crane, including the superlift tab assembly as described above.
Through the technical scheme, the embodiment of the utility model provides a super arm-tie subassembly that plays has following beneficial effect:
after accomplishing material transportation work, rotatory super arm-lift carries out the withdrawal of super arm-lift subassembly, at first terminal arm-lift group is withdrawed completely and is the horizontality, first section arm-lift drives and takes place relative slip with the next section arm-lift afterwards, the next section arm-lift progressively inserts and holds the intracavity, first section arm-lift rotates around the pin joint of first end and super arm-lift simultaneously and is pressed close to super arm-lift, reach horizontal position when super arm-lift at last, the next section arm-lift inserts completely and holds the intracavity, first section arm-lift and super arm-lift laminating are accomplished to super arm-lift subassembly. The cavity is held in the last setting of first section arm-tie, and the cavity is held in the insertion of second section arm-tie, reduces the space that the arm-tie subassembly that surpasses took under packing up the state to the structure of surpassing the arm-tie subassembly has been simplified, the arm-tie festival number is reduced.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an 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 principles of the invention. In the drawings:
fig. 1 is a schematic structural view of a superlift tab assembly according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of interference occurring during retraction of the superlift tab assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the super lift tab assembly during retraction according to an embodiment of the present invention;
fig. 5 is a schematic structural view illustrating the super lift tab assembly after being withdrawn according to an embodiment of the present invention.
Description of the reference numerals
| Reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
5 | |
| 2 | First- |
6 | First |
| 3 | Secondary- |
7 | Second position limiting part |
| 4 | End pulling plate set |
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The super lift tab assembly and crane according to the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1, in an embodiment of the present invention, a super lift arm assembly is provided for connecting a super lift arm 1 and a main arm, which includes a first segment of a pull plate 2, a second segment of a pull plate 3, and a terminal pull plate group 4.
Wherein, the first end of first section arm-tie 2 with surpass arm 1 articulated, the uncovered setting of second end, be formed with in the first section arm-tie 2 and extend and the opening deviates from the chamber that holds that surpasss arm 1 direction along length direction, hold the chamber and link up along the width direction of first section arm-tie 2, hold the opening direction in chamber promptly and hold the end direction towards the second. The first end of the minor tie plate 3 is slidably inserted into the accommodating cavity and rotatably connected with the side wall of the accommodating cavity, namely, the minor tie plate 3 can be inserted into the accommodating cavity, and meanwhile, for preventing the clamping, the minor tie plate 3 can also rotate relative to the side wall of the accommodating cavity along the width direction of the first tie plate 2 to adjust the insertion angle all the time and smoothly complete the retraction. And the head end of the tail end pulling plate group 4 is hinged with the second end of the secondary pulling plate 3, and the tail end of the tail end pulling plate group 4 is hinged with the main arm.
Specifically, the dimension of the accommodating cavity is the same as that of the secondary pulling plate 3, so that the occupied space of the super-lift pulling plate assembly in the retracted state is further reduced. One end of the super lifting arm 1 is connected with one end of the main arm, and the other end of the super lifting arm 1 is connected with the other end of the main arm through a super lifting pull plate assembly which is formed by sequentially connecting a first pull plate 2, a second pull plate 3 and a tail pull plate group 4 end to end, so that the stability of the main arm of the crawler crane is improved, and the performance of the crane is improved.
As shown in fig. 4 and 5, after the material transportation work is completed, the specific super lift tab assembly retracting process: firstly, the tail end pulling plate group 4 is retracted; then, the secondary pulling plate 3 rotates around the second end of the secondary pulling plate, meanwhile, the primary pulling plate 2 is driven by the super lifting arm 1 to slide downwards and rotate around the first end of the super lifting arm towards one side close to the super lifting arm 1, and the primary pulling plate 2 and the secondary pulling plate 3 slide relatively; then, with the continuous rotation of the super lift arm 1, the secondary pull plate 3 is gradually inserted into the accommodating cavity, and meanwhile, the primary pull plate 2 is close to the super lift arm 1 until the super lift arm 1 reaches a retraction position; and finally, the secondary pull plate 3 is completely inserted into the accommodating cavity, and the primary pull plate 2 is attached to the super lifting arm 1 to finish the retraction of the super lifting pull plate assembly. The secondary pull plate 3 is inserted into the accommodating cavity, so that the occupied space of the super-lift pull plate assembly in a retracted state is reduced, the structure of the super-lift pull plate assembly is simplified, and the number of pull plate sections is reduced.
To the sliding plug of minor segment arm-tie 3 in holding the chamber, need set up the guide part 5 that extends along minor segment arm-tie 3 length direction on the lateral wall that holds the chamber, restrict the sliding direction of minor segment arm-tie 3 through guide part 5, make minor segment arm-tie 3 insert more smoothly and hold the intracavity.
Specifically, the guide part 5 is a guide hole or a guide groove, a pin shaft is slidably arranged in the guide hole or the guide groove, and the secondary pull plate 3 is rotatably connected with the pin shaft.
When selecting to use the guide way, the guide way that holds on the wall of chamber both sides corresponds with the length of minor festival arm-tie 3, when the round pin axle slided to the other end from guide way one end, and minor festival arm-tie 3 can insert completely and hold the intracavity. The two ends of the pin shaft are inserted into the guide grooves, and the slide blocks are fixedly connected with the pin shaft and arranged in the guide grooves.
When choosing for use the guiding hole, the length that holds guiding hole on the wall of chamber both sides corresponds with minor segment arm-tie 3, when round pin axle slided to the other end from guiding hole one end, minor segment arm-tie 3 can insert completely and hold the intracavity. Guide holes extend out of two ends of the pin shaft, and sliding blocks are arranged at two ends of the pin shaft extending out of the guide holes and fixedly connected with the pin shaft respectively, so that the pin shaft is not separated from the guide holes. The guide holes are selected for use, so that the slide block and the pin shaft are more convenient to disassemble, assemble, replace and maintain.
The sliding block and the guide part 5 are in sliding fit in the two conditions, the pin shaft is fixedly connected with the sliding block, and the secondary pull plate is rotatably connected with the pin shaft to realize the sliding insertion of the secondary pull plate 3 and the accommodating cavity and the rotation of the secondary pull plate 3 and the accommodating cavity side wall. In fact, a circular slider which can be in sliding fit with the guide part 5 and can also rotate relatively can be adopted, the pin shaft is fixedly connected with the slider, and the secondary pull plate is fixedly connected with the pin shaft.
As shown in fig. 3, during the process of retracting the superlift pulling plate assembly, the situation that the secondary pulling plate 3 is firstly rotated relatively to the side wall of the accommodating cavity and then inserted into the accommodating cavity may occur. Once this happens, since the first tie plate 2, the second tie plate 3 and the end tie group all rotate in the same plane, the end tie plate group 4 that has completed retracting may interfere with the first tie plate 2 before the second tie plate 3 is fully inserted into the accommodating cavity, resulting in no further retracting.
In the prior art, generally, the length of the accommodating cavity is shortened to avoid interference, but the effect of reducing the occupied space of the super-lift pulling plate assembly in the retracted state by arranging the accommodating cavity cannot be achieved.
As shown in fig. 2, in order to deal with this problem, in the embodiment of the present invention, the second end of the first tie plate 2 is equipped with the first limiting member 6 towards one side of the super-lift arm 1, the first limiting member 6 abuts against the outer periphery of the second tie plate 3, and the second tie plate 3 is limited along the width direction to swing towards one side close to the super-lift arm 1, so that the second tie plate 3 is firstly inserted into the containing cavity in a sliding manner, rather than being firstly rotated relative to the side wall of the containing cavity, thereby avoiding the interference of the remaining end tie plate group 4 of the first tie plate 2, and enabling the super-lift tie plate assembly to be successfully recovered.
When the secondary pulling plate 3 slides relative to the first limiting member 6, the process may be blocked due to friction, so as to prevent the secondary pulling plate 3 from being retracted. In order to reduce the interference of the first limiting part 6 on the sliding of the second-section pulling plate 3, the first limiting part 6 is a shaft sleeve, the first fastener is a pin shaft, the shaft sleeve is sleeved on the periphery of the pin shaft, and the shaft sleeve is fixedly connected with the first-section pulling plate through the pin shaft and can rotate by taking the pin shaft as a shaft. The secondary pull plate 3 is abutted to the periphery of the shaft sleeve, and the shaft sleeve can convert sliding friction into rolling friction, so that friction force is reduced.
In the embodiment of the present invention, the end pull plate group 4 includes a plurality of pull plates hinged end to end in sequence, and the number of the pull plates depends on and exceeds the distance between the arm 1 and the main arm. The second limiting part 7 is arranged on the first pulling plate, the second limiting part 7 is arranged towards one side of the second pulling plate 3, and when the second pulling plate 3 and the tail end pulling plate group 4 are folded, the second limiting part 7 is abutted to the second pulling plate 3. The first end of the minor segment arm-tie 3 is through round pin axle and 5 sliding fit of guide part, owing to the restriction of first locating part 6 in this process, minor segment arm-tie 3 can't be towards the one side rotation that surpasses arm 1 that is close to, when sliding to and hold the diapire butt in chamber, surpass arm 1 and have arrived the position of withdrawing, but first locating part 6 does not restrict minor segment arm-tie 3 and rotate towards one side of keeping away from surpassing arm 1, because of gravity reason, minor segment arm-tie 3 rotates towards one side of keeping away from surpassing arm 1. Support minor segment arm-tie 3 through setting up second locating part 7, increase and surpass the stability after the arm-tie subassembly is withdrawed to prevent that minor segment arm-tie 3 from continuing to rotate and driving terminal arm-tie group 4 striking and surpassing arm 1 and cause the potential safety hazard.
Specifically, the second limiting part 7 is a limiting block extending along the length direction of the pulling plate, and the limiting block is detachably connected with the pulling plate located at the head through a second fastening piece. The stopper is including the inclined plane and the horizontal plane that connect gradually towards one side of minor festival arm-tie 3, and the inclined plane is close to the pin joint of minor festival arm-tie 3 and terminal arm-tie group 4 and arranges, and the height on inclined plane increases in proper order towards terminal direction from the head end of terminal arm-tie group 4, and when minor festival arm-tie 3 and terminal arm-tie group 4 were folded, the surface butt laminating of inclined plane and minor festival arm-tie 3. The inclination angle of the inclined plane needs to be set to a proper value, so that when the secondary segment pulling plate 3 is abutted to the inclined plane, the tail end pulling plate group 4 is not contacted with the super lifting arm 1, and the occupied space of the super lifting pulling plate component in a folded state can be reduced as much as possible.
The utility model discloses an in the embodiment, first locating part 6 and 7 one sides towards inferior festival arm-tie 3 of second locating part are equipped with the rubber pad, establish the rubber pad promptly in axle sleeve periphery cover and set up the rubber pad in one side of stopper orientation inferior festival arm-tie 3, reduce the wearing and tearing of inferior festival arm-tie 3 to axle sleeve and stopper to the life of extension axle sleeve and stopper.
In an embodiment of the present invention, there is also provided a crane, including the superlift pulling plate assembly as described above. After the operation is finished, the super lifting arm and the super lifting pull plate assembly are required to be retracted for ensuring the safety, and the storage space required by the crane can be greatly reduced by adopting the super lifting pull plate assembly.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A superlift arm and main arm linkage comprising:
the first-section pulling plate (2) is hinged to the super lifting arm (1) at a first end, the second end of the first-section pulling plate is open, an accommodating cavity which extends along the length direction and is opened away from the super lifting arm (1) is formed in the first-section pulling plate (2), and the accommodating cavity is communicated along the width direction of the first-section pulling plate (2);
the first end of the secondary pull plate (3) is inserted in the accommodating cavity in a sliding mode and is rotatably connected with the side wall of the accommodating cavity; and
the head end of the tail end pull plate group (4) is hinged with the second end of the secondary pull plate (3), and the tail end of the tail end pull plate group (4) is hinged with the main arm.
2. The superlift tab assembly of claim 1, wherein the side wall of the receiving cavity is provided with a guide portion (5) extending along the length direction of the secondary tab (3), and the secondary tab (3) is in sliding fit with the guide portion (5).
3. The superlift pull plate assembly according to claim 2, wherein the guide portion (5) is a guide hole or a guide groove, a pin shaft is slidably disposed in the guide hole or the guide groove, and the minor-segment pull plate (3) is rotatably connected to the pin shaft.
4. The super lift arm assembly according to claim 1, wherein a first limiting member (6) is disposed at a side of the second end of the first tie plate (2) facing the super lift arm (1), the first limiting member (6) abuts against an outer periphery of the second tie plate (3), and the second tie plate (3) is limited in a width direction from swinging to a side close to the super lift arm (1).
5. The super lift tab assembly of claim 4 wherein the first stop member (6) is a bushing, the bushing is fixedly fastened to the first tab (2) by a first fastener, and the bushing can rotate about the first fastener.
6. The superlift pulling plate assembly according to claim 4, wherein the end pulling plate set (4) comprises a plurality of pulling plates hinged end to end in sequence, a second limiting member (7) is disposed on the pulling plate located at the initial position, the second limiting member (7) is disposed toward one side of the secondary pulling plate (3), and the second limiting member (7) abuts against the secondary pulling plate (3) when the secondary pulling plate (3) and the end pulling plate set (4) are folded.
7. The superlift tab assembly of claim 6, wherein the second retaining member (7) is a retaining member extending along a length direction of the tab, and the retaining member is detachably connected to the tab at a head position by a second fastener.
8. The superlift pulling plate assembly according to claim 7, wherein the side of the limiting block facing the secondary pulling plate (3) comprises an inclined surface and a horizontal surface which are connected in sequence, the inclined surface is arranged near the hinge point of the secondary pulling plate (3) and the tail pulling plate set (4), the height of the inclined surface increases in sequence from the head end of the tail pulling plate set (4) to the tail end, and when the secondary pulling plate (3) and the tail pulling plate set (4) are folded, the inclined surface abuts against and fits with the surface of the secondary pulling plate (3).
9. The superlift tab assembly of claim 8 wherein the first retaining member (6) and the second retaining member (7) are provided with rubber pads on the side facing the secondary tab (3).
10. A crane comprising the superlift tab assembly of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178853.3U CN218620024U (en) | 2022-11-28 | 2022-11-28 | Super-lift pulling plate assembly and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178853.3U CN218620024U (en) | 2022-11-28 | 2022-11-28 | Super-lift pulling plate assembly and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218620024U true CN218620024U (en) | 2023-03-14 |
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ID=85452241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223178853.3U Active CN218620024U (en) | 2022-11-28 | 2022-11-28 | Super-lift pulling plate assembly and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218620024U (en) |
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2022
- 2022-11-28 CN CN202223178853.3U patent/CN218620024U/en active Active
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