CN216863477U - Lower support assembly for tower crane and tower crane - Google Patents
Lower support assembly for tower crane and tower crane Download PDFInfo
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- CN216863477U CN216863477U CN202121113627.XU CN202121113627U CN216863477U CN 216863477 U CN216863477 U CN 216863477U CN 202121113627 U CN202121113627 U CN 202121113627U CN 216863477 U CN216863477 U CN 216863477U
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- ear plate
- plate
- tower crane
- supporting rod
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- 239000000725 suspension Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000009194 climbing Effects 0.000 description 4
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- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a lower support assembly for a tower crane and the tower crane, relating to the technical field of cranes, wherein the lower support assembly comprises: a base; the lower rotary table is positioned above the base; the top ends of the supporting rods are connected with the lower rotary table, the bottom ends of the supporting rods are connected with the base, the supporting rods are distributed around the base and the lower rotary table, and any side face of the base is provided with two supporting rods which are arranged in an inverted V shape. The lower support assembly for the tower crane and the tower crane can ensure the structural strength of the lower support assembly, and can be disassembled when the lower support assembly is transported, so that the volume of the lower support assembly can be reduced, and the transportation cost can be reduced.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a lower support assembly for a tower crane and the tower crane.
Background
The lower support subassembly is as necessary support base among the tower crane, for climbing frame and upper bracket on the lower support subassembly provide installation and connection basis, the most formula design as an organic whole of lower support subassembly on the existing market, the structural stability of the lower support subassembly of this kind of form is generally stronger, but its size and weight also increase thereupon for the transportation degree of difficulty is big, and the cost of transportation is high, especially in the marine transportation, receives the size restriction of container, often need change bigger container, increases the cost of transportation more.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects or shortcomings in the prior art, the utility model provides the lower support assembly for the tower crane and the tower crane, which can ensure the structural strength of the lower support assembly, disassemble the lower support assembly during transportation, reduce the volume of the lower support assembly and reduce the transportation cost.
In order to achieve the above object, the present invention provides a lower support assembly for a tower crane, the lower support assembly comprising: a base; the lower rotary table is positioned above the base; the top ends of the supporting rods are connected with the lower rotary table, the bottom ends of the supporting rods are connected with the base, the supporting rods are distributed around the base and the lower rotary table, and any side face of the base is provided with two supporting rods which are arranged in an inverted V shape.
In the embodiment of the utility model, a plurality of first lug plates protruding towards the base and exceeding the bottom surface of the lower rotary table are fixed on the periphery of the lower rotary table, and the first lug plates are provided with first connecting holes for connecting the top ends of the supporting rods.
In the embodiment of the utility model, the base comprises a plurality of support legs and a plurality of connecting plates, wherein second lug plates are fixed on the support legs, and second connecting holes for connecting the support rods are formed in the second lug plates.
In an embodiment of the utility model, the second ear plate is integrally formed with the connecting plate.
In the embodiment of the utility model, the number of the supporting legs and the number of the connecting plates are four, and the supporting legs are connected with the connecting plates to enable the base to be rectangular.
In an embodiment of the utility model, the first ear plate is flat, the second ear plate is U-shaped, the top end of the supporting rod is provided with a connecting groove, the first ear plate is accommodated in the connecting groove and pivotally connects the supporting rod with the first connecting hole, the bottom end of the supporting rod is provided with a protruding connecting part, and the connecting part is inserted in the second ear plate and pivotally connected with the second connecting hole.
In an embodiment of the utility model, the lower support assembly further comprises auxiliary support rods, the number of the auxiliary support rods is equal to that of the support rods, the auxiliary support rods are perpendicular to the connecting plate, the bottom ends of the auxiliary support rods are detachably connected with the connecting plate, and the top ends of the auxiliary support rods are slidably connected with the support rods.
In the embodiment of the utility model, the top end of the auxiliary supporting rod is provided with a hoop sleeved on the periphery of the supporting rod.
In an embodiment of the present invention, the lower seat assembly has a height dimension in the range of 6m to 7 m.
In an embodiment of the utility model, the tower crane further comprises the lower support assembly.
The lower support assembly for the tower crane and the tower crane provided by the embodiment of the utility model have the following beneficial effects:
connect through a plurality of bracing pieces between lower revolving stage and the base, and a plurality of bracing pieces distribute around lower revolving stage and base to make the structural stability after the lower carriage subassembly equipment is accomplished higher, and when dismantling the transportation to the lower carriage subassembly, can make the volume of lower carriage subassembly littleer, reduce the transportation degree of difficulty and the cost of transportation of lower carriage subassembly.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic front view of a lower seat assembly according to an embodiment of the present invention;
FIG. 2 is a schematic right side view of the lower housing assembly of the present invention;
FIG. 3 illustrates a schematic top view of the lower housing assembly according to one embodiment of the present invention;
fig. 4 shows an enlarged view at a in fig. 3.
Description of the reference numerals
1 lower support assembly
11 lower turntable 12 base
13 support rod 14 auxiliary support rod
111 first ear plate 112 first connection hole
123 landing leg 124 connecting plate
121 second ear plate 122 second connecting hole
131 connecting part 132 connecting groove
141 clamp
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the utility model and are not restrictive thereof.
The present application is described below with reference to the accompanying drawings.
Fig. 1 is a front view of a lower seat assembly according to an embodiment of the present invention. Fig. 2 is a right side view of the lower seat assembly according to an embodiment of the utility model. Fig. 3 is a schematic top view of the lower seat assembly according to an embodiment of the present invention. Fig. 4 shows an enlarged view at a in fig. 3. As shown in fig. 1 to 4, in an embodiment of the present invention, there is provided a lower support assembly 1 for a tower crane, the lower support assembly 1 including: a base 12; a lower turntable 11 positioned above the base 12; a plurality of bracing pieces 13, bracing piece 13 top and lower revolving stage 11 are connected, and the bottom is connected with base 12, and a plurality of bracing pieces 13 distribute around base 12 and lower revolving stage 11.
Through setting up base 12 and lower revolving stage 11 with mutually independent form to make lower revolving stage 11 be located the top of base 12, distribute a plurality of bracing pieces 13 around base 12 and lower revolving stage 11 again, and make the top of bracing piece 13 be connected with lower revolving stage 11, the bottom of bracing piece 13 is connected with base 12, thereby forms lower bearing subassembly 1. When needs transport the support subassembly, the accessible is dismantled base 12 and a plurality of bracing pieces 13 down pallet 11 all around, make base 12 and 11 mutual independence down pallet, and then to base 12, the clearance between 11 and the connecting rod of down pallet compresses, in order to reduce down the volume of support subassembly 1 and transport in packing into the container with lower support subassembly 1, reduce the transportation degree of difficulty and the cost of transportation of support subassembly 1, after the transportation is accomplished, through being connected a plurality of bracing pieces 13's top and down pallet 11, the bottom and the base 12 of bracing piece 13 are connected, and make a plurality of bracing pieces 13 distribute around base 12 and down pallet 11, with the structural strength of the lower support subassembly 1 after the enhancement connection.
Most of the existing lower support assemblies for tower cranes are designed in an integrated manner, the size of a container required to be used during transportation is too large, and the difficulty in loading the existing lower support assemblies into the container is high, so that the lower support assembly 1 is more convenient to transport compared with the lower support assembly in the prior art.
In the embodiment of the present invention, a plurality of first ear plates 111 protruding toward the base 12 and beyond the bottom surface of the lower turntable 11 are fixed around the lower turntable 11, and a first connection hole 112 for connecting the top end of the support rod 13 is formed in the first ear plates 111, so that when the top end of the support rod 13 is connected to the lower turntable 11, the top end of the support rod 13 is moved to the position of the first ear plate 111, and the pin passes through the first connection hole 112 of the first ear plate 111 to be connected to the top end of the support rod 13, so that the top end of the support rod 13 and the first ear plates 111 are relatively fixed, that is, the top end of the support rod 13 and the lower turntable 11 are relatively fixed.
Because first otic placode 111 is fixed in down on the revolving stage 11 for the form that projects and surpass 11 bottom surfaces of lower revolving stage towards base 12 direction, consequently, when connecting bracing piece 13 and first otic placode 111, or when dismantling bracing piece 13 from first otic placode 111, more do benefit to and adjust the position of bracing piece 13, thereby more conveniently connect or dismantle bracing piece 13 and first otic placode 111, and simultaneously, can also make the height of connecting lower bearing subassembly 1 lower, and then make lower bearing subassembly 1's stability higher.
In the embodiment of the present invention, a plurality of first ear plates 111 protruding toward a direction away from the base 12 and beyond the top surface of the lower turntable 11 are fixed around the lower turntable 11, and a first connection hole 112 for connecting the top end of the support rod 13 is formed in the first ear plates 111, so that when the top end of the support rod 13 is connected to the lower turntable 11, the top end of the support rod 13 is moved to the position of the first ear plate 111, and the pin passes through the first connection hole 112 of the first ear plate 111 to be connected to the top end of the support rod 13, so that the top end of the support rod 13 and the first ear plate 111 are relatively fixed, that is, the top end of the support rod 13 and the lower turntable 11 are relatively fixed.
Because first otic placode 111 is fixed in down on the revolving stage 11 for keeping away from the form that base 12 direction protrusion just surpassed lower revolving stage 11 top surface towards, consequently, when connecting bracing piece 13 and first otic placode 111, perhaps when dismantling bracing piece 13 from first otic placode 111, more do benefit to and adjust the position of bracing piece 13 to more conveniently connect or dismantle bracing piece 13 and first otic placode 111.
In the embodiment of the present invention, the base 12 includes a plurality of legs 123 and a plurality of connecting plates 124, the second ear plate 121 is fixed on the leg 123, the second ear plate 121 is provided with a second connecting hole 122 for connecting the supporting rod 13, the plurality of legs 123 and the plurality of connecting plates 124 are connected to form the base 12, so that the supporting rod 13 is connected to the base 12, and during transportation, the connecting plates 124 and the legs 123 can be detached, so as to further reduce the volume of the lower support assembly 1, and facilitate transportation of the lower support assembly 1.
When the bottom end of the supporting rod 13 is connected to the supporting leg 123, the bottom end of the supporting rod 13 is moved to the position of the second ear plate 121, and is connected to the bottom end of the supporting rod 13 through the second connecting hole 122 on the second ear plate 121 by the pin shaft, so that the bottom end of the supporting rod 13 is relatively fixed to the second ear plate 121, that is, the bottom end of the supporting rod 13 is relatively fixed to the supporting leg 123.
Through set up the second otic placode 121 of taking second connecting hole 122 on landing leg 123 to when connecting bracing piece 13 and second otic placode 121, perhaps when dismantling bracing piece 13 from first otic placode 111, more do benefit to and adjust the position of bracing piece 13, thereby more conveniently connect or dismantle bracing piece 13 and first otic placode 111.
In the embodiment of the present invention, the second ear plate 121 is integrally formed with the connecting plate 124 to enhance the structural stability of the base 12.
In the embodiment of the utility model, the number of the legs 123 and the number of the connecting plates 124 are four, and the legs 123 and the connecting plates 124 are connected to make the base 12 rectangular, so as to improve the structural strength of the base 12, and meanwhile, the four legs 123 can be connected with the climbing frame on the tower crane, so that the base 12 and the climbing frame can be conveniently mounted and dismounted.
In the embodiment of the present invention, the number of the first ear plates 111 is four, and the first ear plates 111 and the supporting legs 123 are arranged in a staggered manner, so that the two supporting rods 13 on either side of the base 12 are in a splayed shape, that is, two supporting rods 13 on either side of the base 12 are connected to the first ear plates 111, and the two supporting rods 13 are arranged in a splayed shape, and the two supporting rods 13 in a splayed shape and the connecting plate 124 form an approximately triangular structure together, that is, an approximately triangular structure formed by two supporting rods 13 and the connecting plate 124 together exists on each side of the base 12, so that the structural stability of the lower seat assembly 1 is higher, and the safety of the lower seat assembly 1 is improved.
In the embodiment of the present invention, the number of the first ear plates 111 is four, and the first ear plates 111 and the support legs 123 are arranged in a staggered manner, so that the two support rods 13 on either side of the base 12 are in an inverted V shape, that is, two support rods 13 are connected to the first ear plates 111 on either side of the base 12, and the two support rods 13 are arranged in an inverted V shape, the two support rods 13 in the inverted V shape and the connecting plate 124 form a triangular structure together, that is, a triangular structure formed by two support rods 13 and the connecting plate 124 exists on each side of the base 12, so that the structural stability of the lower seat assembly 1 is higher, and the safety of the lower seat assembly 1 is improved.
In the embodiment of the present invention, the first ear plate 111 is shaped like a flat plate, the second ear plate 121 is shaped like a U, the top end of the supporting rod 13 is provided with a connecting slot 132, the first ear plate 111 is accommodated in the connecting slot 132 and pivotally connects the supporting rod 13 with the first connecting hole 112, the bottom end of the supporting rod 13 is provided with a protruding connecting portion 131, and the connecting portion 131 is inserted in the second ear plate 121 and pivotally connects with the second connecting hole 122.
Through offering the spread groove 132 that is used for holding first otic placode 111 on the top at bracing piece 13, thereby when connecting the top with first otic placode 111 of bracing piece 13, earlier with the removal of bracing piece 13 to the position of first otic placode 111, and make first otic placode 111 hold with spread groove 132 in, the rethread pivot passes first connecting hole 112 and bracing piece 13's top, with the top with first otic placode 111 of bracing piece 13 fix, because first otic placode 111 is restricted in spread groove 132, thereby reducible bracing piece 13 removes and pivoted degree of freedom first otic placode 111 relatively, and then be convenient for connect first otic placode 111 and bracing piece 13.
It can be understood that through holes aligned with the first connecting hole 112 are formed in the supporting rod 13 on two sides of the connecting groove 132, and the pin shaft simultaneously passes through the first connecting hole 112 and the through holes to fix the supporting rod 13 and the first ear plate 111 relatively.
By setting the second ear plate 121 to be U-shaped, and setting the convex connecting portion 131 at the bottom end of the supporting rod 13, when the bottom end of the supporting rod 13 is connected to the second ear plate 121, the supporting rod 13 is moved to the position of the second ear plate 121 first, and the connecting portion 131 is inserted into the U-shaped second ear plate 121, and then passes through the second connecting hole 122 and the bottom end of the supporting rod 13 through the pin shaft, so as to fix the bottom end of the supporting rod 13 to the second ear plate 121, because the connecting portion 131 is limited in the second ear plate 121, thereby the degree of freedom of movement and rotation of the supporting rod 13 relative to the second ear plate 121 can be reduced, and further, the second ear plate 121 and the supporting rod 13 can be connected conveniently.
It can be understood that the connecting portion 131 is provided with a through hole aligned with the second connecting hole 122, and the pin shaft simultaneously passes through the second connecting hole 122 and the through hole to fix the supporting rod 13 and the second ear plate 121 relatively.
In the embodiment of the present invention, the lower seat assembly 1 further includes a number of auxiliary supporting rods 14 equal to the number of the supporting rods 13, the auxiliary supporting rods 14 are perpendicular to the connecting plate 124, the bottom ends of the auxiliary supporting rods 14 are detachably connected to the connecting plate 124, and the top ends are slidably connected to the supporting rods 13.
Through the top and the bracing piece 13 sliding connection with auxiliary strut 14, the bottom can be dismantled with connecting plate 124 and be connected, thereby accomplish the back in the equipment of bottom suspension seat subassembly 1, be connected with bracing piece 13 and connecting plate 124 respectively through the upper and lower both ends with auxiliary strut 14, thereby further strengthen bottom suspension seat subassembly 1's structural strength and structural stability, and when needs transported bottom suspension seat subassembly 1, can dismantle auxiliary strut 14, bracing piece 13, in order to reduce the volume of bottom suspension seat subassembly 1, be more convenient for the transportation to bottom suspension seat subassembly 1.
In the embodiment of the present invention, the top end of the auxiliary strut 14 is provided with a hoop 141 sleeved around the support rod 13, and the top end of the auxiliary strut 14 is sleeved around the support rod 13 through the hoop 141 to prevent relative displacement between the two, so as to improve the structural stability of the connection between the auxiliary strut 14 and the support rod 13.
In the embodiment of the present invention, the height dimension of the lower pedestal assembly 1 is in the range of 6m to 7m, that is, the dimension from the bottom end of the base 12 to the top end of the lower pedestal 11 is in the range of 6m to 7m after the lower rotary table 11 is connected to the base 12 through the support rod 13, which is smaller than the height dimension of the lower pedestal assembly in the prior art, thereby making the structural stability of the lower pedestal assembly 1 of the present invention higher.
In an embodiment of the present invention, a tower crane is further provided, where the tower crane includes the lower support assembly 1, and when the tower crane needs to be transported, a standard knot, a climbing frame, and the lower support assembly 1 in the tower crane may be disassembled, so as to further disassemble the disassembled lower support assembly 1, that is, disassemble a plurality of support rods 13 connected between the lower rotary table 11 and the base 12, so as to further reduce the volume of the lower support assembly 1 during transportation, and facilitate transportation of the lower support assembly 1.
In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the utility model.
Furthermore, in the description of the present invention, it is to be understood that the terms "first", "second", and the like 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 expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; 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 connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
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 utility model.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A lower bracket assembly for a tower crane, the lower bracket assembly comprising:
a base (12);
a lower turntable (11) located above the base (12);
a plurality of bracing pieces (13), bracing piece (13) top with revolving stage (11) are connected down, the bottom with base (12) are connected, and is a plurality of bracing piece (13) distribute in base (12) with revolving stage (11) are all around down, any side of base (12) all is provided with two and is the setting of falling V-arrangement bracing piece (13).
2. The lower support assembly according to claim 1, wherein a plurality of first ear plates (111) protruding toward the base (12) and beyond the bottom surface of the lower rotary table (11) are fixed around the lower rotary table (11), and a first connecting hole (112) for connecting the top end of the supporting rod (13) is formed in each first ear plate (111).
3. The lower support assembly according to claim 2, wherein the base (12) comprises a plurality of legs (123) and a plurality of connecting plates (124), a second ear plate (121) is fixed on the legs (123), and a second connecting hole (122) for connecting the supporting rod (13) is formed in the second ear plate (121).
4. The lower bearing assembly of claim 3 wherein said second ear plate (121) is integrally formed with said connecting plate (124).
5. The lower seat assembly according to claim 4, wherein the number of the legs (123) and the connecting plate (124) is four, and the legs (123) and the connecting plate (124) are connected to make the base (12) rectangular.
6. The lower bracket assembly of claim 5, wherein the first ear plate (111) is shaped as a flat plate, the second ear plate (121) is shaped as a U, a connecting slot (132) is formed at the top end of the supporting rod (13), the first ear plate (111) is received in the connecting slot (132) and pivotally connects the supporting rod (13) to the first connecting hole (112), a protruding connecting portion (131) is formed at the bottom end of the supporting rod (13), and the connecting portion (131) is inserted into the second ear plate (121) and pivotally connected to the second connecting hole (122).
7. The lower seat assembly according to claim 4, further comprising an equal number of auxiliary struts (14) as the support rods (13), wherein the auxiliary struts (14) are perpendicular to the connecting plate (124), and the bottom ends of the auxiliary struts (14) are detachably connected to the connecting plate (124) and the top ends are slidably connected to the support rods (13).
8. The lower support assembly according to claim 7, wherein the top end of the auxiliary support rod (14) is provided with a clamp (141) sleeved around the support rod (13).
9. A lower stand assembly according to any of claims 1-8, characterized in that the height dimension of the lower stand assembly (1) is in the range of 6-7 m.
10. A tower crane, characterized in that it comprises a lower foot assembly (1) according to any one of claims 1-9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121113627.XU CN216863477U (en) | 2021-05-21 | 2021-05-21 | Lower support assembly for tower crane and tower crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121113627.XU CN216863477U (en) | 2021-05-21 | 2021-05-21 | Lower support assembly for tower crane and tower crane |
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CN216863477U true CN216863477U (en) | 2022-07-01 |
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CN202121113627.XU Active CN216863477U (en) | 2021-05-21 | 2021-05-21 | Lower support assembly for tower crane and tower crane |
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CN (1) | CN216863477U (en) |
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2021
- 2021-05-21 CN CN202121113627.XU patent/CN216863477U/en active Active
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