CN202346658U - Tower crane combined type upper support structure and tower crane with same - Google Patents
Tower crane combined type upper support structure and tower crane with same Download PDFInfo
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- CN202346658U CN202346658U CN2011205203771U CN201120520377U CN202346658U CN 202346658 U CN202346658 U CN 202346658U CN 2011205203771 U CN2011205203771 U CN 2011205203771U CN 201120520377 U CN201120520377 U CN 201120520377U CN 202346658 U CN202346658 U CN 202346658U
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- upper bracket
- main chord
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- 238000003466 welding Methods 0.000 claims description 18
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000013585 weight reducing agent Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model provides a tower machine combined type upper bracket structure and tower crane who has it. The utility model discloses a tower machine combined type upper bracket structure, include: the upper support comprises a plurality of main chord supports and an upper support cover plate, and the main chord supports extend upwards to a position higher than the upper support cover plate; the rotary tower body comprises a main chord, the main chord of the rotary tower body is welded with a main chord support into a whole, and the lower end face of the main chord is higher than the upper surface of the upper cover plate of the upper support. According to the utility model discloses a tower machine combined type upper bracket structure, overall structure's rigidity reinforcing, weight reduction, comprehensive cost reduce, and traditional gyration shaft body and upper bracket pin shaft connection formula structure can not appear, and the gyration shaft body is moved along the axial cluster, round pin axle self cluster and rotate etc. and lead to round pin shaft hole wearing and tearing to enlarge, produce abnormal sound, influence the problem of tower machine safety.
Description
Technical field
The utility model relates to the elevator machinery field, more specifically, relates to a kind of tower machine combined type upper bracket structure and has its tower crane.
Background technology
In the prior art, being connected between the slewing tower of tower crane and the upper bracket has following several kinds of modes usually.
Show first kind of connection mode of prior art like Fig. 1 to Fig. 3.The public otic placode 11 ' that connection employing between slewing tower 10 ' and the upper bracket 20 ' and slewing tower 10 ' connect as one is with the female otic placode 21 ' that connects as one with upper bracket 20 ' and be connected bearing pin 30 ' accordingly and connect.This connection mode have slewing tower 10 ' along axial motion, connect the moving and rotation of bearing pin 30 ' self string etc. and cause the pin shaft hole wearing and tearing to enlarge, produce abnormal sound, influence the problem of tower crane safety.
Show second kind of connection mode of prior art like Fig. 4 to Fig. 5.Slewing tower 10 ' and upper bracket 20 ' direct weld together, four main chords of slewing tower 10 ' are inserted into the inside of upper bracket 20 ' and carry out assembly welding.Though this structure has solved in first kind of connection mode because of the moving safety problem that produces abnormal sound and tower crane of slewing tower 10 ' and the string that is connected bearing pin 30 '; But only be applicable to just carrying out mach situation behind slewing tower 10 ' and the upper bracket 20 ' assembly welding; If take to weld preceding processing, then welding deformation is excessive to effect on structure.Therefore, second kind of connection mode requires height to machining apparatus, and work efficiency is had bigger influence, and the machinework cost is high.
Show the third connection mode of the prior art of external appearance like Fig. 6 to Fig. 8.Adopt bolt 40 ' to connect between the main chord support 22 ' of slewing tower 10 ' and upper bracket 20 '.This mode needs on the main chord support 22 ' of slewing tower 10 ' and upper bracket 20 ', to process the articulation bolt hole that a plurality of relative positions are had relatively high expectations respectively; Its installation process is comparatively loaded down with trivial details; And it is locking to connect needs through bolt 30 ' 40 '; Screw thread needs antirust, and complex structure processes, uses equal cost higher.
The utility model content
The purpose of the utility model is to provide a kind of tower crane that makes the enhancing of total rigidity, weight saving, integrated cost reduce, improve the tower machine combined type upper bracket structure of work efficiency and have it.
The utility model provides a kind of tower machine combined type upper bracket structure, and comprising: upper bracket, said upper bracket comprise a plurality of main chord supports and upper bracket upper cover plate, and said main chord support extends up to the position that is higher than said upper bracket upper cover plate; Slewing tower comprises main chord, and the said main chord of said slewing tower and said main chord support are welded as a whole, and the lower surface of said main chord is higher than the upper surface of said upper bracket upper cover plate.
Further, the recess of the lower end of said main chord is held in each said main chord support setting, and the bottom surface of said recess is higher than said upper bracket upper cover plate upper surface.
Further, each said main chord support comprises the riser that pair of parallel is provided with, and said recess is set on said riser.
Further, said slewing tower comprises four main chords, and four said main chord supports correspondingly are arranged on four jiaos of said upper bracket with said main chord respectively.
Further, said upper bracket also comprises the upper bracket lower cover; The respective slot on the said upper bracket upper cover plate is passed in the bottom of said riser, and is welded on the said upper bracket lower cover, and said riser and the welding of said upper bracket upper cover plate.
Further, said tower machine combined type upper bracket structure also comprises long oblique waist bar, and an end of the oblique waist bar of said length is welded on the said main chord support, and the other end is welded in the top of the said main chord of another said main chord stent support.
Further, said upper bracket also comprises seat board, and an end of the oblique waist bar of said length is welded on the corresponding said main chord support through said seat board.
Further, four said main chords form rectangular frame structure; Said tower machine combined type upper bracket structure comprises two oblique waist bars of said length, is arranged at respectively between two main chords at the relative place, planes of two of said rectangular frame structure.
The utility model also provides a kind of tower crane, comprises according to each described tower machine combined type upper bracket structure in the claim 1 to 8.
Tower machine combined type upper bracket structure according to the utility model; Adopt the integral solder structure that slewing tower and upper bracket assembly welding are in the same place; Deducted the interconnective package assembly of slewing tower and upper bracket; Rigidity enhancing, weight saving, the integrated cost of total are reduced; And traditional slewing tower and upper bracket bearing pin interconnection system structure can not occur, moving and rotation etc. causes the pin shaft hole wearing and tearing to enlarge, produces abnormal sound, influences the problem of tower machine safety slewing tower along axial motion, bearing pin self string.The position of slewing tower and upper bracket assembly welding is positioned at more than the upper bracket upper cover plate; Thereby away from each machinework face of slewing tower and upper bracket; Can weld preceding processing to each machinework face, thereby reduce requirement, tooling cost is reduced machining apparatus; Work efficiency improves, and the influence that the distortion that produces because of welding causes overall precision is in the error allowed band.
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 first kind of connection mode between slewing tower and the upper bracket of tower crane of prior art;
Fig. 2 is the side-looking structural representation of Fig. 1;
Fig. 3 is that A '-A ' of Fig. 1 is to the semi-sictional view structural representation;
Fig. 4 is the structural representation of second kind of connection mode between slewing tower and the upper bracket of tower crane of prior art;
Fig. 5 is the side-looking structural representation of Fig. 4;
Fig. 6 is the structural representation of the third connection mode between slewing tower and the upper bracket of tower crane of prior art;
Fig. 7 is the side-looking structural representation of Fig. 6;
Fig. 8 is that B '-B ' of Fig. 7 is to the semi-sictional view structural representation;
Fig. 9 is the main TV structure scheme drawing according to the tower machine combined type upper bracket structure of the tower crane of the utility model;
Figure 10 is the side-looking structural representation of Fig. 9;
Figure 11 is that the A-A of Fig. 9 is to the sectional structure scheme drawing;
Figure 12 is that the B-B of Figure 10 is to the sectional structure scheme drawing;
Figure 13 is the structural representation when slewing tower is not connected with upper bracket in the tower machine combined type upper bracket structure of the tower crane of the utility model;
Figure 14 is the side-looking structural representation of Figure 13 and does not grow oblique waist bar figure with main chord and seat board bonded assembly; And
Figure 15 is according to the structural representation of slewing tower in the tower machine combined type upper bracket structure of the tower crane of the utility model when not removing the technology angle steel after upper bracket is connected.
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.
To shown in Figure 15, the tower machine combined type upper bracket structure of present embodiment mainly comprises slewing tower 10 and upper bracket 20 like Fig. 9.Upper bracket 20 comprises four main chord supports 21 and upper bracket upper cover plate 23, and slewing tower 10 comprises four main chords 11, and main chord 11 is welded as a whole with corresponding main chord support 21 respectively, and the lower surface of main chord 11 is higher than the upper surface of upper bracket upper cover plate 23.Preferably, four main chord supports 21 are separately positioned on four jiaos of upper bracket 20.Above embodiment adopts the integral solder structure that slewing tower 10 and upper bracket 20 assembly weldings are in the same place; Deducted the interconnective package assembly of slewing tower and upper bracket; The rigidity enhancing, weight saving, integrated cost of total are reduced, can not occur slewing tower along axial motion, bearing pin self string is moving and rotation etc. causes the pin shaft hole wearing and tearing to enlarge, produce abnormal sound, influence the problem of tower machine safety; The position of slewing tower 10 and upper bracket 20 assembly weldings is positioned at the upper bracket upper cover plate more than 23; Thereby away from each machinework face of slewing tower 10 and upper bracket 20; Can weld preceding processing to each machinework face, thereby reduce requirement, and tooling cost is reduced machining apparatus; Work efficiency improves, and the influence that the distortion that produces of welding causes overall precision is in the error allowed band.
In the present embodiment, each main chord support 21 comprises the riser that pair of parallel is provided with, and be provided with on the riser and hold the recess of main chord 11 lower ends, and the bottom surface of recess is higher than upper bracket upper cover plate 23 upper surfaces.The preferred embodiment of the main chord support 21 that more than provides should not constitute restriction to the structure of the main chord support of the utility model.
In order to make main chord support 21 have better supporting role; Improve the intensity of upper bracket 20 simultaneously; As shown in Figure 9; The respective slot on the upper bracket upper cover plate 23 is passed in the bottom of riser in the present embodiment, and is welded on the upper bracket lower cover 24 of upper bracket 20, and riser also is connected through welding with upper bracket upper cover plate 23.
Like Figure 10 and shown in Figure 14, upper bracket 20 also comprises seat board 22, is welded on the main chord support 21; Tower machine combined type upper bracket structure also comprises long oblique waist bar 30, and an end of long oblique waist bar 30 is welded on the seat board 22, and the other end is welded in the top of the main chord 11 of another main chord support 21 supports.Long oblique waist bar 30 is set can make the connection between slewing tower 10 and the upper bracket 20 more firm.
Preferably, like Figure 10 and shown in Figure 14, seat board 22 is obliquely installed.Yet seat board 22 also can be horizontally disposed with or vertically be provided with.Even seat board 22 is not necessary, and in a not shown embodiment, an end of long oblique waist bar 30 can be directly welded on the main chord support 21, and the other end is welded in the top of the main chord 11 that another main chord support 21 supported.
Four main chords 11 of present embodiment have formed rectangular frame structure, and tower machine combined type upper bracket structure comprises two long oblique waist bars 30, are arranged at respectively between the corresponding a pair of main chord 11 on two relative planes of rectangular frame structure.And in each plane on two other plane the diagonal web member identical with prior art 12 can be set.
The tower machine combined type upper bracket structure of above embodiment is passed through many direct weld togethers of weld seam with the slewing tower 10 of former individualism with upper bracket 20; Deducted the connecting link of the two; And general's machinework face separately machines separately respectively before slewing tower 10 and upper bracket 20 welding, through frock with two parts weld together.It is following that it connects technological process:
At first extremely shown in Figure 14 like Figure 13, with the independent separately by drawing completion of processing of machinework faces all on slewing tower 10, upper bracket 20, long diagonal web member 30 these three components, seat board 22 has been welded on the corresponding main chord support 21.And, for preventing distortion, the technology angle steel 40 of need burn-oning on the slewing tower 10.Afterwards the lower end of the main chord 11 of slewing tower 10 is inserted in the recess of main chord support 21 of upper bracket 20, slewing tower 10 and upper bracket 20 are carried out assembly welding, the structure behind the assembly welding is shown in figure 15.Then will long diagonal web member 30 by drawing, an end is welded in the top of the main chord 11 of slewing tower 10, the other end is welded on the seat board 22 of cooresponding upper bracket 20.At last technology angle steel 40 is prescinded, form like Fig. 9 to final tower machine combined type upper bracket structure shown in Figure 10.
From above description, can find out; The utility model the above embodiments have realized following technique effect: adopt the integral solder structure that slewing tower and upper bracket assembly welding are in the same place; Deducted the interconnective package assembly of slewing tower and upper bracket; The rigidity enhancing, weight saving, integrated cost of total are reduced, and can not occur slewing tower along axial motion, bearing pin self string is moving and rotation etc. causes the pin shaft hole wearing and tearing to enlarge, produce abnormal sound, influence the problem of tower machine safety; The position of slewing tower and upper bracket assembly welding is positioned at more than the upper bracket upper cover plate; Thereby away from each machinework face of slewing tower and upper bracket; Can weld preceding processing to each machinework face, thereby reduce requirement, tooling cost is reduced machining apparatus; Work efficiency improves, and the influence that the distortion that produces because of welding causes overall precision is in the error allowed band.Owing to adopted long oblique waist bar, make the connection between slewing tower and the upper bracket more firm, can further improve integrally-built rigidity.
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 (9)
1. a tower machine combined type upper bracket structure is characterized in that, comprising:
Upper bracket (20), said upper bracket (20) comprise a plurality of main chord supports (21) and upper bracket upper cover plate (23), and said main chord support (21) extends up to the position that is higher than said upper bracket upper cover plate (23);
Slewing tower (10) comprises main chord (11), and the said main chord (11) of said slewing tower (10) is welded as a whole with said main chord support (21), and the lower surface of said main chord (11) is higher than the upper surface of said upper bracket upper cover plate (23).
2. tower machine combined type upper bracket structure according to claim 1 is characterized in that, the setting of each said main chord support (21) is held the recess of the lower end of said main chord (11), and the bottom surface of said recess is higher than said upper bracket upper cover plate (23) upper surface.
3. tower machine combined type upper bracket structure according to claim 2 is characterized in that, each said main chord support (21) comprises the riser that pair of parallel is provided with, and said recess is set on said riser.
4. tower machine combined type upper bracket structure according to claim 3; It is characterized in that; Said slewing tower (10) comprises four main chords (11), and four said main chord supports (21) correspondingly are arranged on four jiaos of said upper bracket (20) with said main chord (11) respectively.
5. tower machine combined type upper bracket structure according to claim 4 is characterized in that,
Said upper bracket (20) also comprises upper bracket lower cover (24);
The respective slot on the said upper bracket upper cover plate (23) is passed in the bottom of said riser, and is welded on the said upper bracket lower cover (24), and said riser and said upper bracket upper cover plate (23) welding.
6. according to each described tower machine combined type upper bracket structure in the claim 1 to 5; It is characterized in that; Said tower machine combined type upper bracket structure also comprises long oblique waist bar (30); One end of the oblique waist bar of said length (30) is welded on the said main chord support (21), and the other end is welded in the top of the said main chord (11) of another said main chord support (21) support.
7. tower machine combined type upper bracket structure according to claim 6 is characterized in that said upper bracket (20) also comprises seat board (22), and an end of the oblique waist bar of said length (30) is welded on the corresponding said main chord support (21) through said seat board (22).
8. tower machine combined type upper bracket structure according to claim 7 is characterized in that,
Four said main chords (11) form rectangular frame structure;
Said tower machine combined type upper bracket structure comprises two oblique waist bars of said length (30), is arranged at respectively between two main chords (11) at the relative place, planes of two of said rectangular frame structure.
9. a tower crane comprises according to each described tower machine combined type upper bracket structure in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205203771U CN202346658U (en) | 2011-12-13 | 2011-12-13 | Tower crane combined type upper support structure and tower crane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205203771U CN202346658U (en) | 2011-12-13 | 2011-12-13 | Tower crane combined type upper support structure and tower crane with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202346658U true CN202346658U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205203771U Expired - Lifetime CN202346658U (en) | 2011-12-13 | 2011-12-13 | Tower crane combined type upper support structure and tower crane with same |
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| Country | Link |
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| CN (1) | CN202346658U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204441A (en) * | 2012-12-10 | 2013-07-17 | 浙江虎霸建设机械有限公司 | Tower crane slewing tower and slewing upper bearer connection structure |
| CN103601080A (en) * | 2013-08-02 | 2014-02-26 | 广西建工集团建筑机械制造有限责任公司 | Tower carne with multi-position integrated structure |
| CN104625649A (en) * | 2015-01-21 | 2015-05-20 | 中铁重工有限公司 | Machining method for large-depth taper pin holes of track laying and bridge erecting equipment |
| US10654693B2 (en) | 2015-11-19 | 2020-05-19 | Pride Bodies Ltd. | Crane support assembly |
-
2011
- 2011-12-13 CN CN2011205203771U patent/CN202346658U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204441A (en) * | 2012-12-10 | 2013-07-17 | 浙江虎霸建设机械有限公司 | Tower crane slewing tower and slewing upper bearer connection structure |
| CN103601080A (en) * | 2013-08-02 | 2014-02-26 | 广西建工集团建筑机械制造有限责任公司 | Tower carne with multi-position integrated structure |
| CN104625649A (en) * | 2015-01-21 | 2015-05-20 | 中铁重工有限公司 | Machining method for large-depth taper pin holes of track laying and bridge erecting equipment |
| US10654693B2 (en) | 2015-11-19 | 2020-05-19 | Pride Bodies Ltd. | Crane support assembly |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
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| CX01 | Expiry of patent term |