CN209890128U - Tower body of tower crane with foldable telescopic arm - Google Patents
Tower body of tower crane with foldable telescopic arm Download PDFInfo
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- CN209890128U CN209890128U CN201920134979.XU CN201920134979U CN209890128U CN 209890128 U CN209890128 U CN 209890128U CN 201920134979 U CN201920134979 U CN 201920134979U CN 209890128 U CN209890128 U CN 209890128U
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Abstract
The utility model provides a tower crane body of collapsible flexible arm, include: the first telescopic arm is formed into a rod body with the upper end capable of being stretched along the axial direction of the first telescopic arm; the second telescopic arm is formed into a rod body with the lower end capable of being telescopic along the axial direction of the second telescopic arm, the upper end of the second telescopic arm is movably connected with the upper end of the first telescopic arm so that the first telescopic arm and the second telescopic arm can be switched between a folding position and an unfolding position, when the first telescopic arm and the second telescopic arm are positioned at the folding position, the second telescopic arm and the first telescopic arm are arranged in parallel, when the first telescopic arm and the second telescopic arm are positioned at the unfolding position, the upper end of the first telescopic arm and the upper end of the second telescopic arm are oppositely arranged, and the first telescopic arm and the second telescopic arm are coaxial; a first link; the luffing mechanism is movable to drive the first telescopic boom and the second telescopic boom to be switchable between a folded position and an unfolded position. The utility model discloses a tower crane body of collapsible flexible arm rises up highly greatly, the transportation of being convenient for.
Description
Technical Field
The utility model relates to a hoist technical field especially relates to a tower crane body of tower crane of collapsible flexible arm.
Background
Among the prior art, hoist tower health volume and weight are great, and the length of flexible arm is difficult for changing, the different operation demands of not being convenient for, and simultaneously, the transport and the equipment of also being convenient for of longer flexible arm need consume a large amount of manpower and materials.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a tower crane body of collapsible flexible arm, the transportation of being convenient for.
According to the utility model discloses tower crane body of collapsible flexible arm includes: the first telescopic arm is formed into a rod body with the upper end capable of being stretched along the axial direction of the first telescopic arm; the second telescopic arm is formed into a rod body with the lower end capable of being telescopic along the axial direction of the second telescopic arm, the upper end of the second telescopic arm is movably connected with the upper end of the first telescopic arm so that the first telescopic arm and the second telescopic arm can be switched between a folding position and an unfolding position, when the first telescopic arm and the second telescopic arm are positioned at the folding position, the second telescopic arm and the first telescopic arm are arranged in parallel, when the first telescopic arm and the second telescopic arm are positioned at the unfolding position, the upper end of the first telescopic arm and the upper end of the second telescopic arm are oppositely arranged, and the first telescopic arm and the second telescopic arm are coaxial; one end of the first connecting rod is connected with the joint of the first telescopic arm and the second telescopic arm; at least one part of the amplitude variation mechanism is connected with the first telescopic boom, the other part of the amplitude variation mechanism penetrates through the other end of the first connecting rod and is connected with the second telescopic boom, and the amplitude variation mechanism can move to drive the first telescopic boom and the second telescopic boom to be switchable between the folding position and the unfolding position.
According to the utility model discloses tower crane body of collapsible flexible arm links to each other through the upper end with the flexible arm of telescopic first flexible arm and the upper end of the flexible arm of telescopic second to switch between folding position and expansion position through the first flexible arm of luffing mechanism drive and second flexible arm, this tower crane body of collapsible flexible arm not only stands up highly big, is convenient for transport moreover.
According to the utility model discloses tower crane body of collapsible flexible arm can also have following technical characteristic:
according to an embodiment of the invention, the second telescopic arm is pivotable around a junction of the first telescopic arm and the second telescopic arm.
According to the utility model discloses an embodiment, first flexible arm with the upper end spaced apart setting of the flexible arm of second, the tower crane body of tower crane of collapsible flexible arm still includes: one end of each second connecting rod is fixedly connected with one adjacent side of the upper ends of the first telescopic arm and the second telescopic arm respectively; and the rotating shaft is respectively connected with the other ends of the two second connecting rods, and the second connecting rods wind the rotating shaft to be rotatable.
According to an embodiment of the present invention, the first link has one end pivotally connected to the rotating shaft.
According to the utility model discloses an embodiment, luffing mechanism includes: the first amplitude-variable traction piece and the second amplitude-variable traction piece are respectively arranged on two opposite sides of the first telescopic boom and the second telescopic boom at the folding positions along the length direction of the first telescopic boom and the second telescopic boom; the variable-amplitude traction device comprises a first variable-amplitude connecting rod and a second variable-amplitude connecting rod, wherein one end of the first variable-amplitude connecting rod is connected with the first variable-amplitude traction part, the other end of the first variable-amplitude connecting rod is connected with the other end of the first connecting rod, one end of the second variable-amplitude connecting rod is connected with the other end of the first connecting rod, the other end of the second variable-amplitude connecting rod is connected with the second variable-amplitude traction part, and the first variable-amplitude traction part and the second variable-amplitude traction part can stretch to drive the second telescopic arm to move.
According to the utility model discloses an embodiment, the first lower extreme that becomes width of cloth pulls with the lower extreme of first telescopic boom links to each other, the upper end with the first connecting rod that becomes width of cloth links to each other, the second telescopic boom includes upper portion telescopic joint and lower part telescopic joint, the lower part telescopic joint is established telescopically in the upper portion telescopic joint, the second becomes width of cloth pull the lower extreme with the lower extreme of upper portion telescopic joint links to each other, the upper end with the second becomes width of cloth connecting rod and links to each other.
According to the utility model discloses an embodiment, luffing mechanism still includes: one end of each of the two third connecting rods is movably connected with one side of one end of the first telescopic boom and one end of the second telescopic boom, and the other end of each of the two third connecting rods is connected with the first amplitude variation connecting rod and the second amplitude variation connecting rod respectively so as to separate the first amplitude variation connecting rod and the second amplitude variation connecting rod from the first telescopic boom and the second telescopic boom.
According to the utility model discloses an embodiment, the length of third connecting rod is less than the length of first connecting rod.
According to an embodiment of the invention, the first luffing traction element and the second luffing traction element are each wire ropes.
Drawings
Fig. 1 is a schematic structural view of a tower body of a tower crane with a foldable telescopic boom according to an embodiment of the present invention.
Reference numerals:
a tower crane body 100 with a foldable telescopic arm;
a first telescopic arm 10;
a second telescopic arm 20; an upper expansion joint 21; a lower expansion joint 22;
a first link 30;
a first luffing puller 41; a second amplitude puller 42; a first luffing connecting rod 43; a second horn link 44; a third link 45;
a second link 50;
a rotating shaft 60.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A tower crane body 100 of a foldable telescopic boom according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a tower crane body 100 of a foldable telescopic boom according to an embodiment of the present invention includes a first telescopic boom 10, a second telescopic boom 20, a first connecting rod 30, and a luffing mechanism (not shown).
Specifically, the first telescopic boom 10 is formed as a boom body whose upper end is telescopic in the axial direction thereof, the second telescopic boom 20 is formed as a boom body whose lower end is telescopic in the axial direction thereof, the upper end of the second telescopic boom 20 is movably connected to the upper end of the first telescopic boom 10 so that the first telescopic boom 10 and the second telescopic boom 20 are switchable between a folded position and an unfolded position, when the first telescopic boom 10 and the second telescopic boom 20 are located at the folded position, the second telescopic boom 20 is arranged in parallel with the first telescopic boom 10, when the first telescopic boom 10 and the second telescopic boom 20 are located at the unfolded position, the upper end of the first telescopic boom 10 is arranged opposite to the upper end of the second telescopic boom 20 and the first telescopic boom 10 is coaxial with the second telescopic boom 20, one end of the first connecting rod 30 is connected to the junction of the first telescopic boom 10 and the second telescopic boom 20, at least a part of the luffing mechanism is connected to the first telescopic boom 10, another portion of the horn is connected to the second telescopic boom 20 through the other end of the first link 30, and the horn is movable to drive the first telescopic boom 10 and the second telescopic boom 20 to be switchable between the folded position and the unfolded position.
In other words, the tower crane body 100 of the foldable telescopic boom mainly comprises a first telescopic boom 10, a second telescopic boom 20, a first connecting rod 30 and a luffing mechanism, wherein the first telescopic boom 10 is formed as a rod body, the upper end of the first telescopic boom 10 is telescopic along the axial direction thereof to change the length thereof, the second telescopic boom 20 is similar to the first telescopic boom 10 in structure, the second telescopic boom 20 is also formed as a rod body, the lower end of the second telescopic boom 20 is telescopic along the axial direction thereof to change the length thereof, the upper end of the second telescopic boom 20 is movably connected with the upper end of the first telescopic boom 10, and the second telescopic boom 20 and the first telescopic boom 10 can be switched between the folded position and the unfolded position. The joints of the first telescopic boom 10 and the second telescopic boom 20 are respectively connected with one end of a first connecting rod 30, one part of the luffing mechanism is connected with the first telescopic boom 10, the other part of the luffing mechanism is connected with the second telescopic boom 20, and the luffing mechanism can drive the first telescopic boom 10 and the second telescopic boom 20 to be switched between a folding position and an unfolding position, so that the use and transportation are convenient.
In the transportation process, the tower body 100 of the tower crane with the foldable telescopic arms is located at the folding position, the second telescopic arms 20 are arranged in parallel with the first telescopic arms 10, namely, the included angle between the second telescopic arms 20 and the first telescopic arms 10 is 0 degree; before the operation is started, the tower crane body 100 of the foldable telescopic boom is located at the unfolding position, a certain included angle is formed between the second telescopic boom 20 and the first telescopic boom 10, the maximum included angle between the second telescopic boom 20 and the first telescopic boom 10 can be 180 degrees, the first telescopic boom 10 and the second telescopic boom 20 are coaxially arranged, the boom rising height is increased, and meanwhile, the first telescopic boom 10 and the second telescopic boom 20 can respectively extend along the axial direction of the boom to increase the boom rising height again.
From this, according to the utility model discloses according to tower crane body of collapsible telescopic boom 100, through linking to each other the upper end with the first telescopic boom 10 of telescopic with the upper end of the telescopic second telescopic boom 20 to through the first telescopic boom 10 of luffing mechanism drive and the second telescopic boom 20 switches between folding position and expansion position, this tower crane body of tower crane 100 of collapsible telescopic boom not only stands up highly big, is convenient for transport moreover.
According to some embodiments of the present invention, the second telescopic arm 20 is pivotable about the junction of the first telescopic arm 10 and the second telescopic arm 20.
In other words, the radial dimension of first telescopic boom 10 is greater than the radial dimension of second telescopic boom 20, and during use, first telescopic boom 10 is generally located at the lower end of second telescopic boom 20 so as to be fixed, and second telescopic boom 20 is unfolded around first telescopic boom 10.
In an embodiment of the present invention, the upper ends of the first telescopic arm 10 and the second telescopic arm 20 are spaced apart from each other, the tower crane body 100 of the foldable telescopic arm further includes two second connecting rods 50 and a rotating shaft 60, one end of each second connecting rod 50 is fixedly connected to one side of the upper ends of the first telescopic arm 10 and the second telescopic arm 20, the rotating shaft 60 is connected to the other ends of the two second connecting rods 50, and the second connecting rods 50 are rotatable around the rotating shaft 60.
In other words, the tower crane body 100 of the foldable telescopic boom further comprises two second connecting rods 50 and a rotating shaft 60, the rotating shaft 60 and the second connecting rods are respectively arranged between the first telescopic boom 10 and the second telescopic boom 20, one ends of the two second connecting rods 50 are respectively connected with the first telescopic boom 10 and the second telescopic boom 20, the other ends of the two second connecting rods 50 are respectively connected with the rotating shaft 60, and the two second connecting rods 50 can rotate around the rotating shaft 60, so that the telescopic booms can be conveniently folded and unfolded.
Preferably, one end of the first link 30 is pivotably connected to the rotation shaft 60, i.e., both the first link 30 and the two second links 50 are rotatable about the rotation shaft 60.
According to one embodiment of the invention, the luffing mechanism comprises a first luffing traction element 41 and a second luffing traction element 42 and a first luffing connecting rod 43 and a second luffing connecting rod 44.
Specifically, a first amplitude variation traction piece 41 and a second amplitude variation traction piece 42 are respectively arranged on two opposite sides of the first telescopic boom 10 and the second telescopic boom 20 in the length direction of the first telescopic boom 10 and the second telescopic boom 20 at the folding position, one end of a first amplitude variation connecting rod 43 is connected with the first amplitude variation traction piece 41, the other end of the first amplitude variation connecting rod 43 is connected with the other end of the first connecting rod 30, one end of a second amplitude variation connecting rod 44 is connected with the other end of the first connecting rod 30, the other end of the second amplitude variation connecting rod 44 is connected with the second amplitude variation traction piece 42, and the first amplitude variation traction piece 41 and the second amplitude variation traction piece 42 can stretch to drive the second telescopic boom 20 to move. Thus, by providing the first luffing puller 41 and the second luffing puller 42 on both sides of the first telescopic boom 10 and the second telescopic boom 20, respectively, the first luffing connecting rod 43 is connected to the first luffing puller 41, the second luffing connecting rod 44 is connected to the second luffing puller 42, and the first luffing connecting rod 43 and the second luffing connecting rod 44 are connected to the first connecting rod 30, respectively, the luffing mechanism can drive the second telescopic boom 20 to unfold or fold.
According to another embodiment of the present invention, the lower end of the first luffing traction element 41 is connected to the lower end of the first telescopic boom 10, the upper end is connected to the first luffing connecting rod 43, the second telescopic boom 20 comprises an upper telescopic joint 21 and a lower telescopic joint 21, the lower telescopic joint 21 is telescopically arranged in the upper telescopic joint 21, the lower end of the second luffing traction element 42 is connected to the lower end of the upper telescopic joint 21, and the upper end is connected to the second luffing connecting rod 44.
As shown in fig. 1, the lower end of the first amplitude varying traction piece 41 is connected with the lower end of the first telescopic boom 10, the upper end of the first amplitude varying traction piece is connected with the first amplitude varying connecting rod 43, the second telescopic boom 20 comprises an upper telescopic joint 21 and a lower telescopic joint 21 which are coaxially arranged, the lower telescopic joint 21 can axially extend and retract along the upper telescopic joint 21 to change the length of the telescopic boom, the lower end of the second amplitude varying traction piece 42 is connected with the lower end of the upper telescopic joint 21, the upper end of the second amplitude varying traction piece 42 is connected with the second amplitude varying connecting rod 44, and the first amplitude varying traction piece 41 and the second amplitude varying traction piece 42 are matched with each other to pull the second telescopic boom 20 to move.
Optionally, the luffing mechanism further comprises two third connecting rods 45, one end of each of the two third connecting rods 45 is movably connected with a side of one end of the first telescopic boom 10 and the second telescopic boom 20 facing away from the other end, and the other end of each of the two third connecting rods 45 is connected with the first luffing connecting rod 43 and the second luffing connecting rod 44 respectively to space the first luffing connecting rod 43 and the second luffing connecting rod 44 from the first telescopic boom 10 and the second telescopic boom 20. The third connecting rod 45 serves as a support during the pulling of the first and second horns 10 and 20 by the first and second horns.
In one embodiment of the present invention, the length of the third link 45 may be less than the length of the first link 30.
According to an embodiment of the present invention, the first luffing pulling element 41 and the second luffing pulling element 42 are respectively steel wire ropes, which have certain rigidity and flexibility and are flexible to use. Preferably, the first luffing puller 41 is a pulling plate and the second luffing puller 42 is a wire rope.
According to the utility model discloses tower crane body of collapsible telescopic boom 100 links to each other through the upper end with the flexible arm 20 of telescopic first telescopic boom 10 and the upper end of telescopic second to through the first telescopic boom 10 of luffing mechanism drive and the flexible arm 20 of second switch between folding position and expansion position, this tower crane body of tower crane 100 of collapsible telescopic boom not only stands up highly big, is convenient for transport moreover.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A tower crane body of a foldable telescopic boom is characterized by comprising:
the first telescopic arm is formed into a rod body with the upper end capable of being stretched along the axial direction of the first telescopic arm;
the second telescopic arm is formed into a rod body with the lower end capable of being telescopic along the axial direction of the second telescopic arm, the upper end of the second telescopic arm is movably connected with the upper end of the first telescopic arm so that the first telescopic arm and the second telescopic arm can be switched between a folding position and an unfolding position, when the first telescopic arm and the second telescopic arm are positioned at the folding position, the second telescopic arm and the first telescopic arm are arranged in parallel, when the first telescopic arm and the second telescopic arm are positioned at the unfolding position, the upper end of the first telescopic arm and the upper end of the second telescopic arm are oppositely arranged, and the first telescopic arm and the second telescopic arm are coaxial;
one end of the first connecting rod is connected with the joint of the first telescopic arm and the second telescopic arm;
at least one part of the amplitude variation mechanism is connected with the first telescopic boom, the other part of the amplitude variation mechanism penetrates through the other end of the first connecting rod and is connected with the second telescopic boom, and the amplitude variation mechanism can move to drive the first telescopic boom and the second telescopic boom to be switchable between the folding position and the unfolding position.
2. The tower crane body of claim 1, wherein the second telescoping arm is pivotable about a connection of the first telescoping arm and the second telescoping arm.
3. The tower crane body of claim 2, wherein the upper ends of the first and second telescoping arms are spaced apart, the tower crane body further comprising:
one end of each second connecting rod is fixedly connected with one adjacent side of the upper ends of the first telescopic arm and the second telescopic arm respectively;
and the rotating shaft is respectively connected with the other ends of the two second connecting rods, and the second connecting rods wind the rotating shaft to be rotatable.
4. The tower crane body of claim 3, wherein one end of the first link is pivotally connected to the shaft.
5. The tower crane body of a collapsible telescopic boom of claim 2, wherein said luffing mechanism comprises:
the first amplitude-variable traction piece and the second amplitude-variable traction piece are respectively arranged on two opposite sides of the first telescopic boom and the second telescopic boom at the folding positions along the length direction of the first telescopic boom and the second telescopic boom;
the variable-amplitude traction device comprises a first variable-amplitude connecting rod and a second variable-amplitude connecting rod, wherein one end of the first variable-amplitude connecting rod is connected with the first variable-amplitude traction part, the other end of the first variable-amplitude connecting rod is connected with the other end of the first connecting rod, one end of the second variable-amplitude connecting rod is connected with the other end of the first connecting rod, the other end of the second variable-amplitude connecting rod is connected with the second variable-amplitude traction part, and the first variable-amplitude traction part and the second variable-amplitude traction part can stretch to drive the second telescopic arm to move.
6. The tower crane body of a collapsible telescopic boom as recited in claim 5, wherein said first luffing traction element has a lower end connected to a lower end of said first telescopic boom and an upper end connected to said first luffing connecting rod, said second telescopic boom comprises an upper telescopic joint and a lower telescopic joint, said lower telescopic joint is telescopically disposed within said upper telescopic joint, said second luffing traction element has a lower end connected to a lower end of said upper telescopic joint and an upper end connected to said second luffing connecting rod.
7. The tower crane body of a collapsible telescopic boom of claim 5, wherein said luffing mechanism further comprises:
one end of each of the two third connecting rods is movably connected with one side of one end of the first telescopic boom and one end of the second telescopic boom, and the other end of each of the two third connecting rods is connected with the first amplitude variation connecting rod and the second amplitude variation connecting rod respectively so as to separate the first amplitude variation connecting rod and the second amplitude variation connecting rod from the first telescopic boom and the second telescopic boom.
8. The tower crane body of claim 7, wherein the length of the third link is less than the length of the first link.
9. The tower crane body of a collapsible telescopic boom as claimed in claim 5, wherein said first luffing traction element and said second luffing traction element are each a wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134979.XU CN209890128U (en) | 2019-01-26 | 2019-01-26 | Tower body of tower crane with foldable telescopic arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134979.XU CN209890128U (en) | 2019-01-26 | 2019-01-26 | Tower body of tower crane with foldable telescopic arm |
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| Publication Number | Publication Date |
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| CN209890128U true CN209890128U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920134979.XU Active CN209890128U (en) | 2019-01-26 | 2019-01-26 | Tower body of tower crane with foldable telescopic arm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761153A (en) * | 2019-01-26 | 2019-05-17 | 湖南维尔力德科技有限公司 | The stacker crane body of foldable telescopic arm |
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2019
- 2019-01-26 CN CN201920134979.XU patent/CN209890128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761153A (en) * | 2019-01-26 | 2019-05-17 | 湖南维尔力德科技有限公司 | The stacker crane body of foldable telescopic arm |
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