CN203513134U - Conversion section and tower crane with same - Google Patents

Conversion section and tower crane with same Download PDF

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Publication number
CN203513134U
CN203513134U CN201320680477.XU CN201320680477U CN203513134U CN 203513134 U CN203513134 U CN 203513134U CN 201320680477 U CN201320680477 U CN 201320680477U CN 203513134 U CN203513134 U CN 203513134U
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China
Prior art keywords
joint
conversion
tower
connection leg
tower machine
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Active
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CN201320680477.XU
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Chinese (zh)
Inventor
张明中
单石福
付英雄
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201320680477.XU priority Critical patent/CN203513134U/en
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Abstract

The utility model relates to a conversion section and a tower crane with the same. The tower crane comprises a large-cross section tower body on the lower part, a small-cross section tower body on the upper part and the conversion section in the middle, wherein the conversion section is connected to both the large-cross section tower body and the small-cross section tower body. According to the technical solution disclosed by the utility model, the conversion section can realize transition connection between the large-cross section tower body and the small-cross section tower body, so that materials can be saved, the cross section performance of the tower bodies can be utilized sufficiently, and the independent height of the tower crane can be enhanced.

Description

A kind of conversion joint for tower machine and tower machine
Technical field
The utility model relates to engineering machinery field, especially relates to a kind of conversion joint for tower machine and tower machine.
Background technology
In current tower machine industry, tower-body standard section all adopts unified sectional dimension from top to bottom, and for tower body Force Calculation, the stressing conditions of lower floor's standard knot is worst, then one is successively up stressed more and more less.Conventionally, in order to meet the requirement of strength of lower floor's standard knot, Hui Yi lower floor standard knot is of a size of benchmark, the sectional dimension of unified whole tower-body standard section and main chord size.Now, upper strata standard knot stressed very little, some stress calculation are less than 30% of permissible stress, have in fact caused the material of upper strata standard knot and the waste of tower body cross section performance.Meanwhile, owing to being subject to the restriction in lower floor's standard knot cross section, the unattached height of tower machine is also restricted.Therefore, be necessary to improve for the above-mentioned defect existing in prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of conversion joint for tower machine and tower machine, and this conversion joint can be saved material, utilizes more fully tower body cross section performance, is also conducive to increase the unattached height of tower machine.
To achieve these goals, according to first aspect of the present utility model, a kind of joint of the conversion for tower machine is provided, and tower machine comprises the conversion joint that is positioned at heavy in section tower body, the superposed small bore tower body of bottom and is positioned at middle part, and conversion joint connects heavy in section tower body and small bore tower body.
Further, conversion joint comprises conversion joint main body and is arranged at bottom joint connection leg and the top joint connection leg in conversion joint main body; Bottom joint connection leg is connected to heavy in section tower body, and top joint connection leg is connected to small bore tower body.
Further, changing joint main body is plate and shell structure.
Further, plate and shell structure comprises lower cover, upper cover plate and cylindrical shroud; Cylindrical shroud is arranged between lower cover and upper cover plate; Bottom joint connection leg is arranged on lower cover, and top joint connection leg is arranged on upper cover plate.
Further, plate and shell structure also comprises that a plurality of supporting legs connect gusset, and a plurality of supporting legs connect gusset and connect respectively lower cover and bottom joint connection leg, and connects respectively upper cover plate and top joint connection leg.
Further, changing joint main body is rood beam structure.
Further, rood beam structure comprises whole beam and two Half Beams, and the upper surface of whole beam and two Half Beams is provided with top joint connection leg, and the lower surface of whole beam and two Half Beams is provided with bottom joint connection leg.
Further, changing joint main body is box beam structure or truss structure.
Further, conversion joint also comprises transition platform and cat ladder.
According to second aspect of the present utility model, a kind of tower machine is provided, comprise the conversion joint for tower machine, for the conversion joint of tower machine for according to the conversion joint of aforementioned first aspect any one.
According to the technical solution of the utility model, owing to saving the transition having realized between heavy in section tower body and small bore tower body by conversion, connect, can save material, utilize more fully tower body cross section performance, be also conducive to increase the unattached height of tower machine.
Accompanying drawing explanation
Figure of description is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the tower machine of the utility model embodiment mono-;
Fig. 2 is the structural representation of the joint of conversion shown in Fig. 1;
Fig. 3 is the upward view of the joint of conversion shown in Fig. 2;
Fig. 4 is the structural representation of the tower machine of the utility model embodiment bis-;
Fig. 5 is the birds-eye view of the joint of conversion shown in Fig. 4;
Fig. 6 is the front elevation of the joint of conversion shown in Fig. 4;
Fig. 7 is the structural representation of the tower machine of the utility model embodiment tri-;
Fig. 8 is the structural representation of the joint of conversion shown in Fig. 7;
Fig. 9 is the structural representation of the tower machine of the utility model embodiment tetra-;
Figure 10 is the structural representation of the joint of conversion shown in Fig. 9;
Figure 11 is the birds-eye view of the joint of conversion shown in Fig. 9.
The specific embodiment
It should be noted that, in the situation that clearly not limiting or not conflicting, the feature in each embodiment of the present utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
The defect existing for prior art, the utility model provides a kind of joint of the conversion for tower machine.Should be for the conversion joint of tower machine, tower machine comprises the conversion joint that is positioned at heavy in section tower body, the superposed small bore tower body of bottom and is positioned at middle part, conversion joint connects heavy in section tower body and small bore tower body.
According to this technical scheme, owing to saving the transition having realized between heavy in section tower body and small bore tower body by conversion, connect, can save material, utilize more fully tower body cross section performance, be also conducive to increase the unattached height of tower machine.
In addition, conversion joint comprises conversion joint main body and is arranged at bottom joint connection leg and the top joint connection leg in conversion joint main body; Bottom joint connection leg is connected to heavy in section tower body, and top joint connection leg is connected to small bore tower body.Thus, can easily conversion joint be connected with small bore tower body with heavy in section tower body respectively.
Fig. 1 is the structural representation of the tower machine of the utility model embodiment mono-, and as shown in Figure 1, this tower machine comprises heavy in section tower body 10 and the superposed small bore tower body 20 that is positioned at bottom, also comprises the conversion joint 30 that is positioned at middle part.Conversion joint 30 is as the variable section transition portion between heavy in section tower body 10 and small bore tower body 20.
Fig. 2 is the structural representation of the joint of conversion shown in Fig. 1, and Fig. 3 is the upward view of the joint of conversion shown in Fig. 2.With reference to Fig. 2 and Fig. 3, conversion joint 30 comprises bottom joint connection leg 31 and top joint connection leg 32, also comprises lower cover 35 and upper cover plate 36.Bottom joint connection leg 31 is connected to lower cover 35.Top joint connection leg 32 is connected to upper cover plate 36.
Bottom joint connection leg 31 guarantees size by bottom joint standard knot frock, and assurance is mated and is connected with the standard knot of the heavy in section tower body 10 of tower machine bottom.Top joint connection leg 32 guarantees size by top joint standard knot frock, and assurance is mated and is connected with the standard knot of the small bore tower body 20 of tower machine upper.
As shown in Figure 3, conversion joint also comprises that cylindrical shroud 37 is connected gusset 38 with supporting leg.Cylindrical shroud 37 is arranged between lower cover 35 and upper cover plate 36.A plurality of supporting legs connect gusset 38 and connect respectively lower cover 35 and bottom joint connection leg 31, and connect respectively upper cover plate 36 and top joint connection leg 32.Each supporting leg connects gusset 38 can adopt integral structure, also can be formed by connecting respectively by several parts.
Lower cover 35, upper cover plate 36, cylindrical shroud 37 and a plurality of supporting legs are connected gusset 38, have jointly formed a columniform plate and shell structure, as conversion joint main body, are the main force transferring parts of whole conversion joint.All parts can adopt the mode of welding to connect.By the calculating to the strength and stiffness of conversion joint, and the calculating to tower-body standard section, meet the requirement that non-pylom machine is increased to height.The conversion joint of this plate and shell structure can also be for the variable section tower body of two kinds of different types such as bearing pin connection leg and bolt connection leg.
Thus, in this embodiment, the transition having realized between heavy in section tower body 10 and small bore tower body 20 by above-mentioned plate and shell structure connects, and the Design and manufacture of conversion joint is fairly simple, can shorten the production cycle, reduces production costs.
In addition, the structural shape of the conversion of this plate and shell structure joint is similar to the undersetting of tower machine, manufactures and has frock, does not need to join special special frock, can save frock, has just more had comparatively speaking the convenience of manufacturing.
Fig. 4 is the structural representation of the tower machine of the utility model embodiment bis-, and Fig. 5 is the birds-eye view of the joint of conversion shown in Fig. 4, and Fig. 6 is the front elevation of the joint of conversion shown in Fig. 4.As Figure 4-Figure 6, the tower machine in this embodiment comprises the conversion joint 40 that is positioned at heavy in section tower body 10, the superposed small bore tower body 20 of bottom and is positioned at middle part.
Be with the conversion joint difference of implementing one, the present embodiment adopts, and to change joint main body be rood beam structure.With reference to Fig. 5 and Fig. 6, conversion joint 40 comprises a whole beam 41 and two Half Beams 42.Whole beam 41 and two Half Beams 42 are as conversion joint main body.Between whole beam 41 and two Half Beams 42, can link together by modes such as welding, bolt or bearing pin connections, form cruciform construction.
The upper surface of whole beam 41 and Half Beam 42 is provided with top joint connection leg 45.The position of top joint connection leg 45 guarantees by frock, mates and is connected with the standard knot of small bore tower body 20.The lower surface of whole beam 41 and Half Beam 42 is provided with bottom joint connection leg 46.The position of bottom joint connection leg 46 guarantees by frock, mates and is connected with the standard knot of heavy in section tower body 10.
The conversion joint of this rood beam structure is delivered to the standard knot of the heavy in section tower body 10 of bottom by the load of the standard knot of the small bore tower body 20 of tower machine upper, thereby has realized the transition between large and small variable section tower body.
Fig. 7 is the structural representation of the tower machine of the utility model embodiment tri-, and Fig. 8 is the structural representation of the joint of conversion shown in Fig. 7.As Figure 7-8, the tower machine in this embodiment comprises the conversion joint 50 that is positioned at heavy in section tower body 10, the superposed small bore tower body 20 of bottom and is positioned at middle part.
Be with the conversion joint difference of implementing one, the present embodiment adopts, and to change joint main body be box beam structure.With reference to Fig. 7 and Fig. 8, conversion joint comprises bottom joint connection leg 51, top joint connection leg 52 and middle portion connecting structure 53.Middle portion connecting structure 53 is as conversion joint main body.Middle portion connecting structure 53 adopts box beam structures, bottom joint connection leg 51 and top joint connection leg 52 all by welding, bearing pin is connected or the mode such as bolt connection is connected on intermediate connection structure 53.
As shown in Figure 8, on conversion joint, be also provided with transition platform 56 and cat ladder 57.The position of transition platform 56 and cat ladder 57, channel position that can be concrete according to connected up and down tower body, is considering under the prerequisite of hommization reasonable Arrangement.
Fig. 9 is the structural representation of the tower machine of the utility model embodiment tetra-, and Figure 10 is the structural representation of the joint of conversion shown in Fig. 9, and Figure 11 is the birds-eye view of the joint of conversion shown in Fig. 9.As shown in Fig. 9-11, the tower machine in this embodiment comprises the conversion joint 60 that is positioned at heavy in section tower body 10, the superposed small bore tower body 20 of bottom and is positioned at middle part.
Be with the conversion joint difference of implementing one, the present embodiment adopts, and to change joint main body be truss structure.With reference to Figure 10 and Figure 11, conversion joint comprises bottom joint connection leg 61, top joint connection leg 62 and middle portion connecting structure 63.Middle portion connecting structure 63 is as conversion joint main body.Middle portion connecting structure 63 adopts truss structure, main chord position bending shape.Bottom joint connection leg 61 and top joint connection leg 62 all by welding, bearing pin is connected or the mode such as bolt connection is connected on middle portion connecting structure 63.As shown in figure 11, on conversion joint, be also provided with transition platform 66 and cat ladder 67.
According to each embodiment, the joint of the conversion for tower machine of the present utility model has been described above, but this conversion joint is not limited in the parts described in this embodiment and/or annexation, for example, conversion joint main body can also be made other transition structure form, the conversion joint upper and lower surface of main body is respectively equipped with top joint connection leg and bottom joint connection leg, just can realize the object of variable section.
The utility model also relates to a kind of tower machine, and it has the conversion joint of structure described in aforementioned arbitrary embodiment and modification thereof.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. the joint of the conversion for tower machine, is characterized in that, described tower machine comprises the conversion joint that is positioned at heavy in section tower body, the superposed small bore tower body of bottom and is positioned at middle part, and described conversion joint connects described heavy in section tower body and small bore tower body.
2. the joint of the conversion for tower machine according to claim 1, is characterized in that, described conversion joint comprises conversion joint main body and is arranged at bottom joint connection leg and the top joint connection leg in described conversion joint main body; Described bottom joint connection leg is connected to described heavy in section tower body, and described top joint connection leg is connected to described small bore tower body.
3. the conversion for tower machine according to claim 2 joint, is characterized in that, described to change joint main body be plate and shell structure.
4. the joint of the conversion for tower machine according to claim 3, is characterized in that, described plate and shell structure comprises lower cover, upper cover plate and cylindrical shroud; Described cylindrical shroud is arranged between described lower cover and described upper cover plate; Described bottom joint connection leg is arranged on described lower cover, and described top joint connection leg is arranged on described upper cover plate.
5. the conversion for tower machine according to claim 4 saves, it is characterized in that, described plate and shell structure also comprises that a plurality of supporting legs connect gusset, described a plurality of supporting leg connects gusset and connects respectively described lower cover and described bottom joint connection leg, and connects respectively described upper cover plate and described top joint connection leg.
6. the conversion for tower machine according to claim 2 joint, is characterized in that, described to change joint main body be rood beam structure.
7. the conversion for tower machine according to claim 6 saves, it is characterized in that, described rood beam structure comprises whole beam and two Half Beams, the upper surface of described whole beam and described two Half Beams is provided with described top joint connection leg, and the lower surface of described whole beam and described two Half Beams is provided with described bottom joint connection leg.
8. the conversion for tower machine according to claim 2 joint, is characterized in that, described to change joint main body be box beam structure or truss structure.
9. the joint of the conversion for tower machine according to claim 8, is characterized in that, described conversion joint also comprises transition platform and cat ladder.
10. a tower machine, comprises the conversion joint for tower machine, it is characterized in that, the described joint of the conversion for tower machine is for saving according to the conversion described in claim 1 to 9 any one.
CN201320680477.XU 2013-10-30 2013-10-30 Conversion section and tower crane with same Active CN203513134U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320680477.XU CN203513134U (en) 2013-10-30 2013-10-30 Conversion section and tower crane with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320680477.XU CN203513134U (en) 2013-10-30 2013-10-30 Conversion section and tower crane with same

Publications (1)

Publication Number Publication Date
CN203513134U true CN203513134U (en) 2014-04-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106972412A (en) * 2017-03-20 2017-07-21 国家电网公司 UHV transmission line lattice crossing frame
CN110713123A (en) * 2019-10-21 2020-01-21 徐州瑞益晟机械有限公司 Sleeve connecting structure of tower crane standard knot

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106972412A (en) * 2017-03-20 2017-07-21 国家电网公司 UHV transmission line lattice crossing frame
CN106972412B (en) * 2017-03-20 2019-07-26 国家电网公司 UHV transmission line lattice crossing frame
CN110713123A (en) * 2019-10-21 2020-01-21 徐州瑞益晟机械有限公司 Sleeve connecting structure of tower crane standard knot

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