CN103274291A - Tower type crane bottom beam - Google Patents
Tower type crane bottom beam Download PDFInfo
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- CN103274291A CN103274291A CN2013102256855A CN201310225685A CN103274291A CN 103274291 A CN103274291 A CN 103274291A CN 2013102256855 A CN2013102256855 A CN 2013102256855A CN 201310225685 A CN201310225685 A CN 201310225685A CN 103274291 A CN103274291 A CN 103274291A
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- beam body
- tower crane
- bottom girder
- crane bottom
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Abstract
The present invention provides a tower type crane bottom beam, which comprises four segments of fixation beam bodies, wherein the four segments of the fixation beam bodies are mutually and perpendicularly arranged to form a cross beam structure, extending ends of every fixation beam body respectively form a hinged connection with a movement beam body (30), the tower type crane bottom beam has a first state and a second state, various movement beam bodies (30) unfold outward along extending directions of the corresponding fixation beam bodies connected with the movement beam bodies under the first state, and various movement beam bodies (30) and the corresponding fixation beam bodies connected with the movement beam bodies form included angles under the second state. With the technical scheme, an occupation area of the tower type crane bottom beam at a non-operation state can be reduced, and installation of the tower type crane bottom beam at an operation state is conveniently achieved.
Description
Technical field
The present invention relates to construction machinery and equipment, in particular to a kind of tower crane bottom girder.
Background technology
As shown in Figure 1, be a kind of tower crane bottom girder, comprise a whole beam 10 ' and two Half Beams 20 ' that are individually fixed in whole beam 10 ' relative both sides, whole beam 10 ' is provided with otic placode 50 ', hinged with two Half Beams 20 ' respectively by two hinging pin shafts 60 ' that vertically arrange, be provided with footing 30 ' below the formation rood beam structure, rood beam structure, footing 30 ' bottom is provided with mobile basis; Whole beam 10 ' with all be provided with connecting panel 70 ' above the Half Beam 20 ', offer many exhausting holes 71 ' on each connecting panel 70 ', be used for by bolt erection support 40 ', bearing 40 ' can be installed the 71 ' diverse location in the rood beam structure by these through holes.Be connected with strut 80 ' and be connected support 90 ' between adjacent whole beam 10 ' and the Half Beam 20 ', make the parts of tower crane bottom girder connect into triangular structure, increased stability.
The tower crane bottom girder of this structure, because two Half Beams 20 ' can be are respectively rotated around separately hinging pin shaft 60 ', so when transportation, can serve as that axle folds with hinging pin shaft 60 ', thereby reduce the area occupied perpendicular to whole beam 10 ' length direction of rood beam structure, make things convenient for transportation, and during the work of tower crane bottom girder, Half Beam 20 ' need not assembling, and directly rotation to the position that needs gets final product, and is easy to operate.But, the tower crane bottom girder of this structure, the length of whole beam 10 ' is without any change, and this direction still will take bigger area, and is for transportation, still very inconvenient.
Summary of the invention
The present invention aims to provide a kind of tower crane bottom girder, can reduce tower crane bottom girder shared area when off working state, the installation when making things convenient for the tower crane bottom girder in working order simultaneously.
To achieve these goals, according to an aspect of the present invention, a kind of tower crane bottom girder is provided, comprise four sections fixed beam bodies, four sections fixed beam bodies vertically arrange mutually and form the rood beam structure, the elongated end of each fixed beam body is hinged with the portable beam body respectively, the tower crane bottom girder has first state and second state, wherein under first state, each portable beam body outwards launches along the bearing of trend of the fixed beam body that connects, under second state, each portable beam body becomes angle with the fixed beam body that is connected.
Further, the portable beam body has first hinge hole, and the fixed beam body has second hinge hole corresponding with first hinge hole, and first hinge hole and second hinge hole are hinged by hinging pin shaft.
Further, hinging pin shaft vertically arranges.
Further, be provided with the first state location structure between fixed beam body and the portable beam body that is connected, the first state location structure comprises: first knock hole is positioned on the portable beam body; Second knock hole is positioned on the fixed beam body, when the tower crane bottom girder is positioned at first state, and the corresponding setting with second knock hole of first knock hole; And alignment pin, removably be located in first knock hole and second knock hole.
Further, when the tower crane bottom girder was positioned at second state, a plurality of portable beam bodies rotated in the same way along horizontal surface, so that each portable beam body becomes angle with the fixed beam body that is connected.
Further, each portable beam body is 45 ° with angle between the fixed beam body that is connected.
Further, be provided with the second state location structure between fixed beam body and the portable beam body that is connected, the second state location structure comprises: positioning plate, be arranged on the fixed beam body, and positioning plate has first spacing hole; Hinged seat is arranged on the portable beam body, and hinged seat has second spacing hole, when the tower crane bottom girder is positioned at second state, and first spacing hole and the corresponding setting of second spacing hole; And spacing bearing pin, removably be located in first spacing hole and second spacing hole.
Further, positioning plate is positioned at the fixed beam body on the sidewall of adjacent fixed beam body; Hinged seat is positioned at the portable beam body on the sidewall of adjacent portable beam body.
Further, positioning plate be positioned at the fixed beam body along on the sidewall of first circumferencial direction.
Further, each portable beam body is provided with two hinged seats, two hinged seats on each portable beam body are with respect to the longitudinal centerline symmetry of portable beam body and back to setting, when the tower crane bottom girder was positioned at first state, two hinged seats that are oppositely arranged of two adjacent portable beam bodies connected by strut.
Use technical scheme of the present invention, by at the two ends of the first beam body and the end of the second beam body that is connected with the first beam body be hinged with the portable beam body respectively, when bottom girder is positioned at first state, the portable beam body is rotated, each portable beam body is outwards launched along the bearing of trend of the fixed beam body that connects, need not as prior art fixing and portable beam body to be assembled; When bottom girder is positioned at second state, as travelling position, the portable beam body can be rotated again, make each portable beam body become angle with the fixed beam body that is connected, being actually the area that makes the tower crane bottom girder all reduces to some extent compared to prior art, convenient vanning transportation, and need not the tower crane bottom girder is dismantled; When working again, only the portable beam body need be rotated again and get final product, easy to operate.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the scheme drawing according to the tower crane bottom girder of prior art;
Fig. 2 shows the scheme drawing of first state of tower crane bottom girder according to an embodiment of the invention;
Fig. 3 shows the scheme drawing of second state of tower crane bottom girder according to an embodiment of the invention;
Fig. 4 shows the plan sketch of second state of tower crane bottom girder according to an embodiment of the invention; And
Fig. 5 shows the A place enlarged drawing according to Fig. 4.
The specific embodiment
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Shown in Fig. 2 to 5, according to embodiments of the invention, provide a kind of tower crane bottom girder, comprise whole beam 10, Half Beam 20 and portable beam body 30.Wherein Half Beam 20 has two, and two Half Beams 20 are fixed in two opposite sides of whole beam 10 respectively by otic placode 21 and connection bearing pin 70, and with respect to the longitudinal centerline symmetric arrangement of putting in order beam 10.Regard the beam body of putting in order the two ends of beam 10 as two sections beam bodies, whole beam 10 and two Half Beams 20 can be regarded the fixed beam body that four sections vertical fixing connect as, and four sections fixed beam bodies are formed a rood beam structure.Portable beam body 30 has four, and is corresponding hinged one by one with the elongated end of four sections fixed beam bodies respectively.When the tower crane bottom girder is in first state shown in Figure 2 (mode of operation), each portable beam body 30 outwards launches along the bearing of trend of the fixed beam body that connects, and increases the area of tower crane bottom girder, increases the working stability of tower crane.When the tower crane bottom girder is in Fig. 3 or second state shown in Figure 4 (as travelling position), rotate four portable beam bodies 30 respectively, make each portable beam body 30 become angle with the fixed beam body that is connected, area that can the tower crane bottom girder is shared is corresponding like this dwindles, and is convenient to transportation.When being in first state again, the tower crane bottom girder need not to assemble again, as long as four portable beam bodies 30 of rotation are simple to operate.
By the hinged portable beam body 30 in the end of fixed beam body, can reduce the transportation clearance of tower crane bottom girder, more convenient highway and freight container transportation need not to dismantle the tower crane bottom girder simultaneously, reduce operational sequence; After the whole assembling of tower crane bottom girder was finished, the later stage used and changes when use in the building site and need not to assemble again, only needs the portable beam body is rotated and can uses, and shortens the set-up time in addition.
Certainly, the structure of rood beam is not limited to be made up of whole beam 10 and Half Beam 20 here, also can directly be made up of four Half Beams, and four mutual vertical fixing of Half Beam connect, and can form the rood beam structure.
The fixed beam body is hinged by bearing pin and portable beam body 30, be specially, portable beam body 30 has first hinge hole, the fixed beam body has second hinge hole, and the corresponding setting with second hinge hole of first hinge hole, be equipped with hinging pin shaft 60 in first hinge hole and second hinge hole, by hinging pin shaft 60 that fixed beam body and portable beam body 30 is hinged.This hinging pin shaft 60 can fixedly install, and also can be removably to arrange.
If the bottom surface of rood beam is X plane (being horizontal surface), plane perpendicular to the X plane is Y plane (being perpendicular), in order to make the tower crane bottom girder under second state, neither can take the space on the X plane after 30 rotations of portable beam body, can not take the space of (being the short transverse of tower crane bottom girder) on the Y plane yet, hinging pin shaft 60 vertically arranges, and portable beam body 30 is rotated on the X plane.
Between fixed beam body and the portable beam body 30 relative motion taking place under first state, is provided with the first state location structure between fixed beam body and the portable beam body 30 that is connected.
Preferably, the first state location structure comprises first knock hole 40, second knock hole and alignment pin, wherein first knock hole 40 is positioned on the portable beam body 30, second knock hole is positioned on the fixed beam body, when the tower crane bottom girder is in first state, first knock hole is corresponding with second knock hole, and alignment pin is located in first knock hole and second knock hole, plays positioning action.When the tower crane bottom girder was in second state, the alignment pin of dismantling was rotated portable beam body 30.This relatively simple for structure and easy to operate.
Because the area of tower crane bottom girder is generally bigger, so, in order to reduce the length of fixed beam body as far as possible, satisfying under the prerequisite of operating needs, can increase the length of portable beam body 30 as far as possible, so, for long portable beam body 30, if two adjacent portable beam bodies 30 are rotation relatively on the X plane, then can produce between two portable beam bodies 30 and interfere, so preferably, the tower crane bottom girder is positioned at second when making state, a plurality of portable beam bodies 30 are rotation in the same way on X plane (being horizontal surface), so that become angle between the fixed beam body that is connected and the portable beam body 30.
Further preferably, the fixed beam body is 45 ° with angle between the portable beam body 30 that is connected.It is 45 ° with fixed beam body angle extremely that portable beam body 30 is rotated, and can make the tower crane bottom girder after folding rectangular, at utmost saves the space, is convenient to transportation.
In order between the fixed beam body that prevents tower crane bottom girder under second state and the portable beam body 30 relative motion to take place, be provided with the second state location structure between fixed beam body and the portable beam body 30 that is connected.
In conjunction with referring to Fig. 5, the second state location structure comprises positioning plate 90, hinged seat 50 and spacing bearing pin, wherein positioning plate 90 is welded on the fixed beam body, and its particular location need determine according to the size of fixed beam body and portable beam body 30 and the anglec of rotation of portable beam body 30.Positioning plate 90 has first spacing hole, hinged seat 50 is positioned on the portable beam body 30, hinged seat 50 has second spacing hole, when the tower crane bottom girder is positioned at second state, 30 rotations of portable beam body are to making first spacing hole corresponding with second spacing hole, and namely first spacing hole is concentric with second spacing hole, spacing bearing pin is located in first spacing hole and second spacing hole then, can play spacing effect, prevent between the portable beam body 30 and fixed beam body relative motion taking place under second state.
When the tower crane bottom girder is positioned at first state, more spacing bearing pin is pulled down, portable beam body 30 is rotated.In conjunction with referring to Fig. 4, because in the preferred implementation, (the being horizontal surface) rotation on the X plane respectively of a plurality of portable beam bodies 30, so positioning plate 90 is arranged on each fixed beam body on the sidewall of adjacent fixed beam body, simultaneously hinged seat 50 is arranged on each portable beam body 30 on the sidewall of adjacent activities beam body 30, first spacing hole can correspondingly both can with second spacing hole.
In addition, because in the preferred implementation, a plurality of portable beam bodies 30 then arrange a positioning plate 90 respectively and both can for rotation in the same way on each fixed beam body, simultaneously, the setting of the positioning plate 90 of each fixed beam body to satisfy make positioning plate 90 be positioned at the fixed beam body along on the sidewall of first circumferencial direction.When the tower crane bottom girder was positioned at second state, corresponding spacing by spacing bearing pin one by one with the hinged seat 50 along second circumferential directions along the positioning plate 90 of first circumferential directions, wherein first circumferencial direction was opposite with second circumferencial direction.
In order to increase the stability of tower crane bottom girder, the tower crane bottom girder also comprises strut 80, when the tower crane bottom girder is positioned at first state, one end of strut 80 is hinged with the hinged seat 50 on one section fixed beam body wherein, hinged seat 50 on the other end of strut 80 and adjacent another section fixed beam body is hinged, and the two ends that make strut 80 are hinged with two hinged seats 50 that are oppositely arranged of adjacent two fixed beam bodies respectively.Strut 80 makes the tower crane bottom girder form triangular structure, has increased stability.
The installation of strut 80 for convenience, each portable beam body 30 is provided with two hinged seats 50, these two hinged seats 50 are symmetrical arranged with respect to the longitudinal centerline of this portable beam body 30, and two hinged seats 50 are mutually back to setting, like this, strut 80 can be installed between two portable beam bodies 30 easily, plays stable supporting role.
From above description, as can be seen, the above embodiments of the present invention have realized following technique effect: by at the two ends of the first beam body and the end of the second beam body that is connected with the first beam body be hinged with the portable beam body respectively, when the tower crane bottom girder is positioned at first state, the portable beam body is rotated, each portable beam body is outwards launched along the bearing of trend of the fixed beam body that connects, need not as prior art fixing and portable beam body to be assembled; When the tower crane bottom girder is positioned at second state, as travelling position, the portable beam body can be rotated again, make each portable beam body become angle with the fixed beam body that is connected, being actually the area that makes the tower crane bottom girder all reduces to some extent compared to prior art, convenient vanning transportation, and need not the tower crane bottom girder is dismantled; When working again, only the portable beam body need be rotated again and get final product, easy to operate.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. tower crane bottom girder, comprise four sections fixed beam bodies, four sections described fixed beam bodies vertically arrange mutually and form the rood beam structure, it is characterized in that, the elongated end of each described fixed beam body is hinged with portable beam body (30) respectively, described tower crane bottom girder has first state and second state, wherein under described first state, each described portable beam body (30) outwards launches along the bearing of trend of the described fixed beam body that connects, under described second state, each described portable beam body (30) becomes angle with the described fixed beam body that is connected.
2. tower crane bottom girder according to claim 1, it is characterized in that, described portable beam body (30) has first hinge hole, described fixed beam body has second hinge hole corresponding with described first hinge hole, and described first hinge hole and described second hinge hole are hinged by hinging pin shaft (60).
3. tower crane bottom girder according to claim 2 is characterized in that, described hinging pin shaft (60) vertically arranges.
4. tower crane bottom girder according to claim 1 is characterized in that, is provided with the first state location structure between described fixed beam body and the described portable beam body (30) that is connected, and the described first state location structure comprises:
First knock hole (40) is positioned on the described portable beam body (30);
Second knock hole is positioned on the described fixed beam body, when described tower crane bottom girder is positioned at described first state, and described first knock hole (40) and the corresponding setting of described second knock hole; And
Alignment pin removably is located in described first knock hole (40) and described second knock hole.
5. tower crane bottom girder according to claim 1, it is characterized in that, when described tower crane bottom girder was positioned at described second state, a plurality of described portable beam bodies (30) rotated in the same way along horizontal surface, so that each described portable beam body (30) becomes angle with the described fixed beam body that is connected.
6. tower crane bottom girder according to claim 1 is characterized in that, each described portable beam body (30) is 45 ° with angle between the described fixed beam body that is connected.
7. according to each described tower crane bottom girder in the claim 1 to 6, it is characterized in that be provided with the second state location structure between described fixed beam body and the described portable beam body (30) that is connected, the described second state location structure comprises:
Positioning plate (90) is arranged on the described fixed beam body, and described positioning plate (90) has first spacing hole;
Hinged seat (50) is arranged on the described portable beam body (30), and described hinged seat (50) has second spacing hole, when described tower crane bottom girder is positioned at described second state, and described first spacing hole and the corresponding setting of described second spacing hole; And
Spacing bearing pin removably is located in described first spacing hole and described second spacing hole.
8. tower crane bottom girder according to claim 7 is characterized in that,
Described positioning plate (90) is positioned at described fixed beam body on the sidewall of adjacent described fixed beam body;
Described hinged seat (50) is positioned at described portable beam body (30) on the sidewall of adjacent described portable beam body (30).
9. tower crane bottom girder according to claim 8 is characterized in that, described positioning plate (90) be positioned at described fixed beam body along on the sidewall of first circumferencial direction.
10. tower crane bottom girder according to claim 8, it is characterized in that, each described portable beam body (30) is provided with two hinged seats (50), two described hinged seats (50) on each described portable beam body (30) are with respect to the longitudinal centerline symmetry of described portable beam body (30) and back to setting, when described tower crane bottom girder was positioned at described first state, two the described hinged seats (50) that are oppositely arranged of adjacent two described portable beam bodies (30) connected by strut (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225685.5A CN103274291B (en) | 2013-06-07 | 2013-06-07 | Tower type crane bottom beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225685.5A CN103274291B (en) | 2013-06-07 | 2013-06-07 | Tower type crane bottom beam |
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| CN103274291A true CN103274291A (en) | 2013-09-04 |
| CN103274291B CN103274291B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310225685.5A Active CN103274291B (en) | 2013-06-07 | 2013-06-07 | Tower type crane bottom beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744377A (en) * | 2016-12-13 | 2017-05-31 | 徐州建机工程机械有限公司 | A kind of collapsible cross girder construction of derrick crane |
| CN112110353A (en) * | 2020-08-25 | 2020-12-22 | 中联重科股份有限公司 | Underframe and crane |
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| DE3323782A1 (en) * | 1983-07-01 | 1985-01-10 | M.A.N.-Wolffkran GmbH, 7100 Heilbronn | Curve-going, rail-mounted lower part of a tower crane |
| CN2878311Y (en) * | 2005-12-16 | 2007-03-14 | 四川建设机械（集团）股份有限公司 | Composite chassis for tower crane |
| EP1908723A1 (en) * | 2006-10-06 | 2008-04-09 | Manitowoc Crane Group France | Frame with ground-support arm for hoisting engine |
| CN201305416Y (en) * | 2008-06-19 | 2009-09-09 | 抚顺永茂建筑机械有限公司 | Foldable-type variable-cross-section cross-beam ballast weight underframe |
| CN201334328Y (en) * | 2008-12-31 | 2009-10-28 | 长沙中联重工科技发展股份有限公司 | Lower support saddle component for ultra-large type tower crane |
| CN102070097A (en) * | 2010-11-23 | 2011-05-25 | 中国水利水电第七工程局有限公司 | Free mobile gate seat tower crane |
| CN201932817U (en) * | 2011-02-25 | 2011-08-17 | 王志存 | Combined tower crane base |
| CN202449770U (en) * | 2011-11-29 | 2012-09-26 | 中联重科股份有限公司 | Lower support assembly of tower crane and tower crane with same |
-
2013
- 2013-06-07 CN CN201310225685.5A patent/CN103274291B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3323782A1 (en) * | 1983-07-01 | 1985-01-10 | M.A.N.-Wolffkran GmbH, 7100 Heilbronn | Curve-going, rail-mounted lower part of a tower crane |
| CN2878311Y (en) * | 2005-12-16 | 2007-03-14 | 四川建设机械（集团）股份有限公司 | Composite chassis for tower crane |
| EP1908723A1 (en) * | 2006-10-06 | 2008-04-09 | Manitowoc Crane Group France | Frame with ground-support arm for hoisting engine |
| CN201305416Y (en) * | 2008-06-19 | 2009-09-09 | 抚顺永茂建筑机械有限公司 | Foldable-type variable-cross-section cross-beam ballast weight underframe |
| CN201334328Y (en) * | 2008-12-31 | 2009-10-28 | 长沙中联重工科技发展股份有限公司 | Lower support saddle component for ultra-large type tower crane |
| CN102070097A (en) * | 2010-11-23 | 2011-05-25 | 中国水利水电第七工程局有限公司 | Free mobile gate seat tower crane |
| CN201932817U (en) * | 2011-02-25 | 2011-08-17 | 王志存 | Combined tower crane base |
| CN202449770U (en) * | 2011-11-29 | 2012-09-26 | 中联重科股份有限公司 | Lower support assembly of tower crane and tower crane with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744377A (en) * | 2016-12-13 | 2017-05-31 | 徐州建机工程机械有限公司 | A kind of collapsible cross girder construction of derrick crane |
| CN112110353A (en) * | 2020-08-25 | 2020-12-22 | 中联重科股份有限公司 | Underframe and crane |
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| Publication number | Publication date |
|---|---|
| CN103274291B (en) | 2015-02-18 |
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