CN202449770U - Lower support assembly of tower crane and tower crane with same - Google Patents
Lower support assembly of tower crane and tower crane with same Download PDFInfo
- Publication number
- CN202449770U CN202449770U CN2011204860403U CN201120486040U CN202449770U CN 202449770 U CN202449770 U CN 202449770U CN 2011204860403 U CN2011204860403 U CN 2011204860403U CN 201120486040 U CN201120486040 U CN 201120486040U CN 202449770 U CN202449770 U CN 202449770U
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- tower machine
- undersetting
- assembly
- tower crane
- girder
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Abstract
The utility model provides a lower support assembly of a tower crane and the tower crane with the same. The lower support assembly of the tower crane, provided by the utility model, comprises a lower support supporting part (10), a transition section (20) and a cross beam (40), wherein the transition section (20) is detachably arranged below the lower support supporting part (10); and the cross beam (40) is detachably arranged below the transition section (20). According to the lower support assembly of the tower crane, provided by the utility model, a transition beam composed of a transversal transition beam and a longitudinal transition beam is replaced with the cross beam, and the lower support assembly of the tower crane is mature in machining technology, low in precision requirement, easy to assemble and capable of increasing the working efficiency.
Description
Technical field
The utility model relates to the elevator machinery field, more specifically, relates to a kind of tower machine undersetting assembly and has its tower crane.
Background technology
As depicted in figs. 1 and 2, existing tower machine undersetting assembly comprises undersetting support portion 10 ', and 10 ' top, undersetting support portion is connected with pivoting support.Below in undersetting support portion 10 ' is provided with transition segment 20 ', supports undersetting support portion 10 ', supports through crossing bridging beam in the below of transition segment 20 ', crosses bridging beam and comprises two transition crossbeams 40 ' and two the transition longerons 50 ' that interconnect combination.Below the mistake bridging beam, be provided with connection structure, be connected, also be connected with the frame that climbs with the body of the tower joint.In order to strengthen the support strength of undersetting structure, between undersetting support portion 10 ' and mistake bridging beam, also be connected with four raker beam 30 ', be arranged in four corners of tower machine undersetting structure.
The loading that the tower machine undersetting assembly of prior art is born is on undersetting support portion 10 '; And be passed to transition segment 20 ' and raker beam 30 ', and then be passed on the bridging beam respectively through transition segment 20 ' and raker beam 30 ' through undersetting support portion 10 '.The bridging beam of crossing of the tower machine undersetting assembly of prior art is made up of transition crossbeam 40 ' and transition longeron 50 ', causes tower machine undersetting complex structure, and difficulty of processing is big, and precision and size are difficult to guarantee; The undersetting assembly does not have erecting stage, has increased tower machine undersetting assembly dismounting difficulty.
The utility model content
The utility model purpose is to provide a kind of accuracy requirement low, and assembling is easy to tower machine undersetting assembly and has its tower crane.
The utility model provides a kind of tower machine undersetting assembly, comprising: the undersetting support portion; Transition segment is removable installed in below, said undersetting support portion; Said tower machine undersetting assembly also comprises: rood beam is removable installed in said transition segment below.
Further, said rood beam comprises: girder; Half Beam, two said Half Beams and said girder vertically are connected in the both sides, middle part of said girder and form cross structure with said girder.
Further, said rood beam also comprises strut, and every strut is in of four zones being split to form by said cross structure, and is connected to form three-legged structure with the said girder and the said Half Beam that form respective regions.
Further, all adopt bearing pin to be connected between said strut and said girder, the said Half Beam.
Further, said rood beam also comprises: top sub is used for being connected with said transition segment; The lower inside joint is used for being connected with the standard knot of tower crane; The bottom lateral joint is used for being connected with the frame that climbs of tower crane.
Further, said tower machine undersetting assembly also comprises: raker beam, the two ends of said raker beam are connected with said rood beam with said undersetting support portion respectively; Said rood beam also comprises: the ear seat, be arranged at the top of said rood beam, and be used for being connected with said raker beam.
Further, said tower machine undersetting assembly also comprises first platform, is arranged at the upper outside of said transition segment.
Further, said tower machine undersetting assembly also comprises second platform, is arranged at the said girder and/or the said Half Beam sidepiece of said rood beam.
Further, said tower machine undersetting assembly also comprises the 3rd platform, is arranged at the upper inner of said transition segment.
The utility model also provides a kind of tower crane, comprises aforesaid tower machine undersetting assembly.
According to the tower machine undersetting assembly of the utility model, adopt rood beam to replace crossing bridging beam by what transition crossbeam and transition longeron were formed, process technology is low than maturation and accuracy requirement, and it is easy to assemble, and has improved work efficiency.Because of rood beam removably is formed by connecting a whole beam and two Half Beams; Tower machine undersetting assembly is easy to assemble; And the bridging beam of crossing of the whole beam of rood beam and the shared volume of Half Beam and prior art compares little a lot, makes that transportation is convenient, satisfies transportation request easily.The Assembly &Disassembly demand that flat-bed setting has been satisfied each bearing pin on the tower machine undersetting assembly has reduced the Assembly &Disassembly difficulty, has improved installation effectiveness, increases safety.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of tower machine undersetting assembly of the tower crane of prior art;
Fig. 2 is the plan structure scheme drawing of Fig. 1;
Fig. 3 is the main TV structure scheme drawing according to the tower machine undersetting assembly of the tower crane of the utility model;
Fig. 4 is the structural representation according to the undersetting support portion of the tower machine undersetting assembly of the tower crane of the utility model;
Fig. 5 be Fig. 4 C to the rotation 45 ° of structural representations;
Fig. 6 is the structural representation according to the transition segment of the tower machine undersetting assembly of the tower crane of the utility model;
Fig. 7 is the plan structure scheme drawing of Fig. 6;
Fig. 8 is the structural representation according to the rood beam of the tower machine undersetting assembly of the tower crane of the utility model;
Fig. 9 is the plan structure scheme drawing of Fig. 8;
Figure 10 is the A-A section structure scheme drawing of Fig. 3; And
Figure 11 is the B-B section structure scheme drawing of Fig. 3.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
As shown in Figure 3, the tower machine undersetting assembly of present embodiment mainly comprises undersetting support portion 10, transition segment 20 and rood beam 40.Wherein, 10 tops, undersetting support portion are connected with pivoting support, and the below of undersetting support portion 10 is provided with transition segment 20 supporting undersetting support portion 10, the lower horizontal of transition segment 20 rood beam 40 be set support.In order to strengthen the support strength of tower machine undersetting assembly, between undersetting support portion 10 and rood beam 40, also be connected with four raker beam 30 obliquely, be arranged in four corners of tower machine undersetting assembly.The cross section of undersetting support portion 10 is less than the cross section of rood beam 40; Form variable section formula tower machine undersetting assembly; The version of variable section reduces the scantling of structure of undersetting support portion 10, has reduced difficulty of processing, and the casing of undersetting support portion 10 satisfies the road transport requirement easily; The pivoting support size supporting with undersetting also can correspondingly reduce, and practices thrift cost.Employing has the tower machine undersetting assembly of raker beam 30, and stressed clear and definite, exerting all one's strength is directly delivered on the standard knot main chord.One joint transition segment is set in the middle of undersetting support portion and rood beam, and the transition segment height of increase highly meets the demands effective introduction, is beneficial to the introduction of standard knot.
Like Fig. 4 and shown in Figure 5; Undersetting support portion 10 by four supporting legs 11, upper cover plate 12, lower cover 13, enclose tube 14 and enclose four pairs of otic placodes 15 that are positioned at four supporting leg 11 homonymies on the tube and form; Supporting leg 11 belows are connected with the top tenon 25 of transition segment 20, and four pairs of otic placodes 15 are connected with four raker beam 30 respectively.
Like Fig. 6 and shown in Figure 7; Transition segment 20 is formed by connecting through bearing pin 21,12 horizontal web members 22 of four main chords and eight diagonal web members 23; The top tenon 25 of main chord 21 links to each other with the supporting leg 11 of undersetting support portion 10, and the bottom tenon 26 of main chord 21 links to each other with the top sub 46 of rood beam 40.
Like Fig. 8 and shown in Figure 9, rood beam 40 mainly comprises girder 42 and two Half Beams 41, and Half Beam 41 all is a box-structure with girder 42, and two Half Beams 41 are vertical with girder 42, and removably is connected in the both sides, middle part of girder 42 and forms cross structure with girder 42.Particularly, can lead to two bearing pins 44 between every Half Beam 41 and the girder is connected.In order to strengthen the structure of rood beam 40, rood beam 40 has also comprised four triatic stays 43, and every triatic stay 43 is in of four zones being split to form by cross structure, and is connected to form three-legged structure with girder that forms respective regions 42 and Half Beam 41.Be to accelerate dismounting speed, all adopted bearing pin to be connected between triatic stay 43 and girder 42, the Half Beam 41 in the present embodiment.Rood beam 40 also comprises four ear seats 45, is arranged at four ends on rood beam 40 tops respectively, is used for being connected with raker beam 30; Four top subs 46 lay respectively between the center of each ear seat 45 and cross structure, are used for being connected with the bottom tenon 26 of transition segment 20; Lower inside joint 47 is arranged at four ends of rood beam 40 bottoms respectively, is used for being connected with the standard knot of tower crane; Four bottom lateral joints 48 are arranged at four ends of rood beam 40 bottoms respectively and compare with corresponding lower inside joint 47 more near the outside, are used for being connected with the frame that climbs of tower crane.
The specific embodiment of above rood beam 40 should not constitute restriction to the rood beam of the utility model.For example, in a not shown embodiment, the girder of rood beam and Half Beam can form cross structure through welding; In another not shown embodiment, rood beam can be connected to form cross structure through hinge by two whole beams.
The Assembly &Disassembly of each bearing pin on the tower machine undersetting assembly for ease; Reduce undersetting Assembly &Disassembly difficulty, improve installation effectiveness, increase safety; In the utility model; Also be provided with first platform 50, second platform 60 and the 3rd platform 70, like Fig. 3 and shown in Figure 10, first platform 50 is positioned at the upper outside of transition segment 20; The horizontal web member 22 on the outrigger 51 of first platform 50 and transition segment 20 tops is connected through bearing pin, and first platform 50 is used to install and remove undersetting support portion 10 is connected usefulness with transition segment 20 bearing pin.The 3rd platform 70 is positioned at transition segment 20 upper inner, removably is connected on four main chords 21 of transition segment 20, and the 3rd platform 70 is used to install and remove undersetting support portion 10 is connected usefulness with raker beam 30 bearing pin.Like Fig. 3 and shown in Figure 11, second platform 60 is arranged on the girder 42 and Half Beam 41 both sides of rood beam 40, is used to install and remove between rood beam 40 and the transition segment 20, is connected the bearing pin of usefulness between rood beam 40 and the raker beam 30.
In the present embodiment, with aforesaid tower machine undersetting component application in tower crane, be particularly suited for large-scale and super-huge on revolution use in the self-raising tower crane.Substitute the transition longeron and the transition crossbeam of prior art with rood beam 40.Inboard place, the below of rood beam 40 links to each other with the standard knot of tower crane, and the outside, below of rood beam 40 links to each other with the frame that climbs of tower crane, and the top and the pivoting support of undersetting support portion 10 join, thereby have played the effect of forming a connecting link.Tower machine undersetting assembly is applicable to external jack-up system, and standard knot gets final product assembled on ground, does not need aerial assembling, and is more safe and efficient.
From above description, can find out; The utility model the above embodiments have realized following technique effect: adopt rood beam to replace the bridging beam of being made up of transition crossbeam and transition longeron excessively; Process technology is low than maturation and accuracy requirement, and assembling has improved work efficiency easily.Because of rood beam removably is formed by connecting a whole beam and two Half Beams; Tower machine undersetting assembly is easy to assemble; And the bridging beam of crossing of the whole beam of rood beam and the shared volume of Half Beam and prior art compares little a lot, makes that transportation is convenient, satisfies transportation request easily.The Assembly &Disassembly demand that flat-bed setting has been satisfied each bearing pin on the tower machine undersetting assembly has reduced the Assembly &Disassembly difficulty, has improved installation effectiveness, increases safety.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. tower machine undersetting assembly comprises:
Undersetting support portion (10);
Transition segment (20) is removable installed in below, said undersetting support portion (10);
It is characterized in that said tower machine undersetting assembly also comprises:
Rood beam (40) is removable installed in said transition segment (20) below.
2. tower machine undersetting assembly according to claim 1 is characterized in that said rood beam (40) comprising:
Girder (42);
Half Beam (41), two said Half Beams (41) vertically are connected in the both sides, middle part of said girder and form cross structure with said girder (42) with said girder (42).
3. tower machine undersetting assembly according to claim 2; It is characterized in that; Said rood beam (40) also comprises strut (43); Every strut (43) is in of four zones being split to form by said cross structure, and is connected to form three-legged structure with the said girder (42) and the said Half Beam (41) that form respective regions.
4. tower machine undersetting assembly according to claim 3 is characterized in that, all adopts bearing pin to be connected between said strut (43) and said girder (42), the said Half Beam (41).
5. according to claim 2 or 3 described tower machine undersetting assemblies, it is characterized in that said rood beam (40) also comprises:
Top sub (46) is used for being connected with said transition segment (20);
Lower inside joint (47) is used for being connected with the standard knot of tower crane;
Bottom lateral joint (48) is used for being connected with the frame that climbs of tower crane.
6. according to claim 2 or 3 described tower machine undersetting assemblies, it is characterized in that,
Said tower machine undersetting assembly also comprises:
Raker beam (30), the two ends of said raker beam (30) are connected with said rood beam (40) with said undersetting support portion (10) respectively;
Said rood beam (40) also comprises:
Ear seat (45) is arranged at the top of said rood beam (40), is used for being connected with said raker beam (30).
7. tower machine undersetting assembly according to claim 1 and 2 is characterized in that, said tower machine undersetting assembly also comprises first platform (50), is arranged at the upper outside of said transition segment (20).
8. according to claim 2 or 3 described tower machine undersetting assemblies, it is characterized in that said tower machine undersetting assembly also comprises second platform (60), be arranged at the said girder (42) and/or said Half Beam (41) sidepiece of said rood beam (40).
9. tower machine undersetting assembly according to claim 1 and 2 is characterized in that, said tower machine undersetting assembly also comprises the 3rd platform (70), is arranged at the upper inner of said transition segment (20).
10. a tower crane comprises tower machine undersetting assembly, it is characterized in that, said tower machine undersetting assembly is according to each described tower machine undersetting assembly in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204860403U CN202449770U (en) | 2011-11-29 | 2011-11-29 | Lower support assembly of tower crane and tower crane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204860403U CN202449770U (en) | 2011-11-29 | 2011-11-29 | Lower support assembly of tower crane and tower crane with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202449770U true CN202449770U (en) | 2012-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204860403U Expired - Lifetime CN202449770U (en) | 2011-11-29 | 2011-11-29 | Lower support assembly of tower crane and tower crane with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202449770U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274291A (en) * | 2013-06-07 | 2013-09-04 | 中联重科股份有限公司 | Tower type crane bottom beam |
| CN103787213A (en) * | 2014-01-27 | 2014-05-14 | 徐州建机工程机械有限公司 | Inserted chassis diagonal-brace structure of tower crane |
| CN105480881A (en) * | 2015-10-30 | 2016-04-13 | 徐州建机工程机械有限公司 | Single-side-detachable lower bracket structure of tower crane |
| CN106185658A (en) * | 2016-09-19 | 2016-12-07 | 中国建筑第八工程局有限公司 | Strut member joist device of leaving behind installed by a kind of large-scale swing arm tower crane c-type frame |
| CN106522262A (en) * | 2016-10-28 | 2017-03-22 | 广州机施建设集团有限公司 | Parallel cross combined steel beam tower crane foundation for steel structure roof and construction method of parallel cross combined steel beam tower crane foundation |
-
2011
- 2011-11-29 CN CN2011204860403U patent/CN202449770U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274291A (en) * | 2013-06-07 | 2013-09-04 | 中联重科股份有限公司 | Tower type crane bottom beam |
| CN103787213A (en) * | 2014-01-27 | 2014-05-14 | 徐州建机工程机械有限公司 | Inserted chassis diagonal-brace structure of tower crane |
| CN103787213B (en) * | 2014-01-27 | 2015-09-02 | 徐州建机工程机械有限公司 | A kind of tower crane interpolation type underframe hound structure |
| CN105480881A (en) * | 2015-10-30 | 2016-04-13 | 徐州建机工程机械有限公司 | Single-side-detachable lower bracket structure of tower crane |
| CN106185658A (en) * | 2016-09-19 | 2016-12-07 | 中国建筑第八工程局有限公司 | Strut member joist device of leaving behind installed by a kind of large-scale swing arm tower crane c-type frame |
| CN106522262A (en) * | 2016-10-28 | 2017-03-22 | 广州机施建设集团有限公司 | Parallel cross combined steel beam tower crane foundation for steel structure roof and construction method of parallel cross combined steel beam tower crane foundation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |
|
| CX01 | Expiry of patent term |