CN203359846U - Tower crane standard joint and tower crane - Google Patents
Tower crane standard joint and tower crane Download PDFInfo
- Publication number
- CN203359846U CN203359846U CN 201320433062 CN201320433062U CN203359846U CN 203359846 U CN203359846 U CN 203359846U CN 201320433062 CN201320433062 CN 201320433062 CN 201320433062 U CN201320433062 U CN 201320433062U CN 203359846 U CN203359846 U CN 203359846U
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- China
- Prior art keywords
- standard knot
- fixed link
- stage portion
- tower machine
- cat ladder
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Abstract
The utility model aims to provide a tower crane standard joint and a tower crane. The tower crane standard joint comprises a standard joint structure and a cat ladder mounted in the standard joint structure, wherein the cat ladder comprises a fixed link and a plurality of step parts; first ends of the step parts are connected to the fixed link and the step parts are spirally arranged in the extending direction of the fixed link. The utility model effectively solves the problems in the prior art that as a cat ladder of a tower crane standard joint has a big inclination, the danger coefficient is high when a constructer climbs the cat ladder and the tower crane standard joint has a complicated structure.
Description
Technical field
The utility model is specifically related to the tower crane field, particularly a kind of tower machine standard knot and tower crane.
Background technology
The tower machine standard knot of current tower crane all adopts the built-in cat ladder of high low type or tilting, and this cat ladder welds or is assemblied in tower machine standard knot, and the workmen catches staircase up when climbing.In prior art, the cat ladder of this high low type and tilting has following shortcoming: the cat ladder degree of dip is larger, and workmen's climbing relatively consumes one's strength; Human body is outstanding vertical and aerial, and danger coefficient is high; Usually need to be on standard knot top or middle part the platform that facilitates the workmen to have a rest is set, so that the complex structure of tower machine standard knot.
The utility model content
The utility model aims to provide a kind of tower machine standard knot and tower crane, the high and baroque problem of tower machine standard knot with the cat ladder degree of dip that solves tower machine standard knot in prior art danger coefficient large, that the workmen climbs cat ladder.
To achieve these goals, according to first aspect of the present utility model, provide a kind of tower machine standard knot, comprised standard knot structure and cat ladder, cat ladder is installed on the inside of standard knot structure, and this cat ladder comprises: fixed link; A plurality of stage portion, the first end of stage portion is connected on fixed link, and stage portion arranges along the bearing of trend spiral of fixed link.
Further, cat ladder also comprises: guardrail, around the outside that is arranged on stage portion, the second end of stage portion is connected with guardrail.
Further, be provided with the mounting hole arranged along fixed link axial direction spiral on fixed link, the first end of stage portion is arranged in mounting hole.
Further, the first end of stage portion has mounting pipe, and mounting pipe is through mounting hole, and the part that mounting pipe is exposed mounting hole has pin shaft hole, is inserted with bearing pin in pin shaft hole, and bearing pin plugs connecting pin through the part of pin shaft hole.
Further, guardrail comprises: a plurality of guard rings, and a plurality of guard rings arrange along the axis direction parallel interval ground of fixed link, and guard ring is set in the outside of stage portion; A plurality of guard strips, be connected with at least a portion in a plurality of guard rings along the axis direction of fixed link, guard strip by top to the below of cat ladder successively through the second end of part stage portion and with the second end butt of the stage portion that is positioned at lower position.
Further, the first end of a plurality of stage portion is welded on fixed link, and the second end of stage portion is welded on guardrail.
Further, tower machine standard knot also comprises: first connects web member, with the first end of standard knot structure, is connected; Second connects web member, with the second end of standard knot structure, is connected; The first end of the fixed link of cat ladder is connected web member and connects with first, the second end of fixed link is connected web member and connects with second.
Further, the first connection web member is connected web member with second and all is welded with connecting panel, and fixed link is bolted on connecting panel.
According to second aspect of the present utility model, a kind of tower crane is provided, comprise tower machine standard knot, this tower machine standard knot is above-mentioned tower machine standard knot.
The application the technical solution of the utility model, cat ladder comprises: fixed link; A plurality of stage portion, the first end of stage portion is connected on fixed link, and stage portion arranges along the bearing of trend spiral of fixed link.Cat ladder adopts the structure of spiral escalation, its stage portion arranges in the mode of spiral, more meets the requirement of ergonomics, so that the workmen can keep body erect when climbing, and both hands do not need too much firmly, thereby make more human nature, more laborsaving of whole climbing process.In addition, because the workmen can adopt the mode of uprightly creeping, therefore, make whole climbing process safer.Finally, after adopting the utility model, need to platform be set at top or the middle part of tower standard knot, therefore, make the structure of tower standard knot simpler.
The accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the front view of the embodiment of tower machine standard knot of the present utility model;
Fig. 2 shows the block diagram of the embodiment of tower machine standard knot of the present utility model;
Fig. 3 shows the structural representation that there is no guardrail of the tower machine standard knot of Fig. 2;
Fig. 4 shows the A section enlarged drawing of the tower machine standard knot of Fig. 3.
Reference numeral in figure: 10, standard knot structure; 11, first connects web member; 12, second connects web member; 20, cat ladder; 21, fixed link; 22, stage portion; 23, guardrail; 21a, mounting hole; 22a, pin shaft hole; 23a, guard ring; 23b, guard strip; 31, bearing pin; 32, connecting pin.
The specific embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As first aspect of the present utility model, please refer to Fig. 1 to Fig. 4, a kind of tower machine standard knot is provided, comprise standard knot structure 10 and cat ladder 20, cat ladder 20 is connected on standard knot structure 10.This cat ladder comprises fixed link 21 and a plurality of stage portion 22, and the first end of stage portion 22 is connected on fixed link 21, and stage portion 22 arranges along the bearing of trend spiral of fixed link 21.
Please refer to Fig. 1 and Fig. 2, tower machine standard knot in the utility model has the middle cat ladder of locating that is arranged on the standard knot structure can, the periphery of cat ladder is the outer support of standard knot structure, cat ladder adopts the structure of spiral escalation, its stage portion 22 arranges in the mode of spiral, more meets the requirement of ergonomics, so that the workmen can keep body erect when climbing, and both hands do not need too much firmly, thereby make more human nature, more laborsaving of whole climbing process.In addition, because the workmen can adopt the mode of uprightly creeping, therefore, make whole climbing process safer.Finally, after adopting the utility model, need to platform be set at top or the middle part of tower standard knot, therefore, make the structure of tower standard knot simpler.
Wherein, stage portion 22 is fixed on fixed link 21, and fixed link 21 is extended to its underpart by the top of tower machine standard knot, and be fixed on tower machine standard knot, like this, can make the structure of fixed link more firm, and the process that makes to climb cat ladder become more stable and safety.
Preferably, cat ladder also comprises guardrail 23, and guardrail 23 is around the outside that is arranged on stage portion 22, and the second end of stage portion 22 is connected with guardrail 23.Guardrail 23 comprises a plurality of guard ring 23a and a plurality of guard strip 23b, a plurality of guard ring 23a arrange along the axis direction parallel interval ground of fixed link 21, and guard ring 23a is set in the outside of stage portion 22, a plurality of guard strip 23b are connected with a plurality of guard ring 23a along the axis direction of fixed link 21, guard strip 23b by top to the below of cat ladder successively through the second end of part stage portion 22 and with the second end butt of the stage portion 22 that is positioned at lower position.Please refer to Fig. 2, guard ring 23a and guard strip 23b form the guardrail of tubular structure, the week that guard ring 23a is looped around cat ladder laterally, each guard strip 23b is connected fixedly guard ring 23a with a plurality of guard ring 23a, the distribution of guard strip 23b is determined according to the second end position of stage portion, on the stage portion 22 that guard strip 23b passes, be provided with for through the hole of guard strip, the second end that is positioned at the step of the lower position of cat ladder does not need to arrange hole.Preferably, the second end of stage portion 22 can weld with guard strip 23b, certainly, also can adopt other mode to connect.
Preferably, be provided with the mounting hole 21a arranged along fixed link 21 axial direction spirals on fixed link 21, the first end of stage portion 22 is arranged in mounting hole 21a.
Further, the first end of stage portion 22 has mounting pipe, and mounting pipe is through mounting hole 21a, and the mounting pipe part of exposing mounting hole 21a plugs and has pin shaft hole 22a, be inserted with bearing pin 31 in pin shaft hole 22a, bearing pin 31 plugs connecting pin 32 through the part of pin shaft hole 22a.Please refer to Fig. 2 and Fig. 3, stage portion 22 along continuous straight runs insert in mounting hole 21a, and because mounting hole 21a arranges along the fixed link spiral, stage portion has formed screw type cat ladder after being inserted into mounting hole 21a.Please, in conjunction with Fig. 3 and Fig. 4, stage portion 22 is fixed to by bearing pin and connecting pin 32, especially, when installation step section 22, can first the mounting pipe of stage portion 22 be passed to mounting hole 21a, then bearing pin 31 is inserted in pin shaft hole 22a, then, re-use the connecting pin fixed pin shaft.
In a not shown embodiment, the first end of a plurality of stage portion 22 is welded on fixed link 21, and the second end of stage portion 22 is welded on guardrail 23.Stage portion different from annexation and above-described embodiment fixed link 21.
Preferably, tower machine standard knot also comprises that the first connection web member 11 is connected web member 12 with second, first connects web member 11 is connected with the first end of standard knot structure 10, second connects web member 12 is connected with the second end of standard knot structure 10, the first end of the fixed link 21 of cat ladder is fixedly connected on the first connection web member 11, and the second end of fixed link 21 is fixedly connected on the second connection web member 12.
Preferably, the first connection web member 11 is connected web member 12 with second and all is welded with connecting panel, and fixed link 21 is bolted on connecting panel.In a not shown embodiment, fixed link 21 with first, be connected web member with second, be connected web member be the welding or directly be connected by screw.
As second aspect of the present utility model, a kind of tower crane is provided, tower crane comprises tower machine standard knot, tower machine standard knot is above-mentioned tower machine standard knot.
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 (9)
1. a tower machine standard knot, comprise standard knot structure (10) and cat ladder, and described cat ladder is installed on the inside of described standard knot structure (10), it is characterized in that, described cat ladder comprises:
Fixed link (21);
A plurality of stage portion (22), it is upper that the first end of described stage portion (22) is connected to described fixed link (21), and described stage portion (22) arranges along the bearing of trend spiral of described fixed link (21).
2. tower machine standard knot according to claim 1, is characterized in that, described cat ladder also comprises:
Guardrail (23), around the outside that is arranged on described stage portion (22), the second end of described stage portion (22) is connected with described guardrail (23).
3. tower machine standard knot according to claim 1, it is characterized in that, be provided with the mounting hole (21a) arranged along described fixed link (21) axial direction spiral on described fixed link (21), the first end of described stage portion (22) is arranged in mounting hole (21a).
4. tower machine standard knot according to claim 3, it is characterized in that, the first end of described stage portion (22) has mounting pipe, described mounting pipe is through described mounting hole (21a), and the part that described mounting pipe is exposed described mounting hole (21a) has pin shaft hole (22a), be inserted with bearing pin (31) in described pin shaft hole (22a), described bearing pin (31) plugs connecting pin (32) through the part of described pin shaft hole (22a).
5. tower machine standard knot according to claim 2, is characterized in that, described guardrail (23) comprising:
A plurality of guard rings (23a), a plurality of described guard rings (23a) arrange along the axis direction parallel interval ground of described fixed link (21), and described guard ring (23a) is set in the outside of described stage portion (22);
A plurality of guard strips (23b), axis direction along described fixed link (21) is connected with at least a portion in a plurality of described guard rings (23a), described guard strip (23b) by top to the below of described cat ladder successively through the second end of the described stage portion of part (22) and with the second end butt of the described stage portion (22) that is positioned at lower position.
6. tower machine standard knot according to claim 2, is characterized in that, it is upper that the first end of a plurality of described stage portion (22) is welded on described fixed link (21), and the second end of described stage portion (22) is welded on described guardrail (23).
7. tower machine standard knot according to claim 1, is characterized in that, described tower machine standard knot also comprises:
First connects web member (11), with the first end of described standard knot structure (10), is connected;
Second connects web member (12), with the second end of described standard knot structure (10), is connected;
The first end of the described fixed link (21) of described cat ladder is connected web member (11) and connects with described first, the second end of described fixed link (21) is connected web member (12) and connects with described second.
8. tower machine standard knot according to claim 7, is characterized in that, described the first connection web member (11) is connected web member (12) with described second and all is welded with connecting panel, and described fixed link (21) is bolted on described connecting panel.
9. a tower crane, comprise tower machine standard knot, it is characterized in that, described tower machine standard knot is the described tower machine of any one standard knot in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320433062 CN203359846U (en) | 2013-07-19 | 2013-07-19 | Tower crane standard joint and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320433062 CN203359846U (en) | 2013-07-19 | 2013-07-19 | Tower crane standard joint and tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203359846U true CN203359846U (en) | 2013-12-25 |
Family
ID=49807639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320433062 Expired - Fee Related CN203359846U (en) | 2013-07-19 | 2013-07-19 | Tower crane standard joint and tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203359846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016245A (en) * | 2014-06-17 | 2014-09-03 | 四川建设机械（集团）股份有限公司 | Rectangular fish plate structure of tower crane |
| CN109052196A (en) * | 2018-10-14 | 2018-12-21 | 张家港市天运建筑机械有限公司 | A kind of telescopic lateral protective device for derrick crane |
-
2013
- 2013-07-19 CN CN 201320433062 patent/CN203359846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016245A (en) * | 2014-06-17 | 2014-09-03 | 四川建设机械（集团）股份有限公司 | Rectangular fish plate structure of tower crane |
| CN109052196A (en) * | 2018-10-14 | 2018-12-21 | 张家港市天运建筑机械有限公司 | A kind of telescopic lateral protective device for derrick crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20160719 |