CN201971549U - Main beam for suspended support system for tower crane - Google Patents
Main beam for suspended support system for tower crane Download PDFInfo
- Publication number
- CN201971549U CN201971549U CN 201120032801 CN201120032801U CN201971549U CN 201971549 U CN201971549 U CN 201971549U CN 201120032801 CN201120032801 CN 201120032801 CN 201120032801 U CN201120032801 U CN 201120032801U CN 201971549 U CN201971549 U CN 201971549U
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- Prior art keywords
- girder
- support system
- main beam
- otic placode
- stay bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000009194 climbing Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 210000003041 ligament Anatomy 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a main beam for a suspended support system for a tower crane, belonging to the technical field of construction machinery structures. Two bases connected with a frame of the support system are arranged on the upper end surface of the main beam. A sixth lug plate respectively connected with a first stay bar, a second stay bar, a third stay bar and a fourth stay bar and a fifth lug plate connected with an inclined stay bar of the support system are arranged on a top flange plate on the main beam. Expression formula of the position of an intersection point O of the axis of the inclined stay bar and the axis of the main beam is: c(f-c)=a(f-a)+2a(f-c), wherein a is a distance from the application point at the outer side of the intersection point O to the intersection point O, c is the length of a middle line along the main frame direction of the frame, and f is the calculated length of the main beam. Maximum bending moment of the main beam is reduced. The cantilever end of the main beam is a weak beam structure with an inclined surface, distortion of the cantilever end is increased and the application force of two main supports at one side of the tower near the building to the main beam is improved so that center of gravity of the tower on the main beam moves inwards so as to reduce the horizontal load of the support structure to the building.
Description
Technical field
The invention belongs to the vehicle for construction field, particularly relate to a kind of outstanding girder of climbing the formula support system of tower crane that is used for.
Background technology
At present, the support system structure that is used for outer outstanding climbing tower crane has nothing in common with each other, and wherein major part is to support to make girder and diagonal ligament rod member, supports the safe reliability that girder and diagonal ligament rod member are determining tower crane work.The version of support girder and the selection of supporting point position be the intensity of the amount of influence directly, and tooling cost and support system are to the size of body of wall application force.The utility model is exactly in order to address this problem, in two topic designs, guarantee according to the principle of mechanical deformation tower machine vertical rationally in move, to reduce the horizontal force that support system forms body of wall, the position of the choose reasonable strong point makes the state of arguing of girder more reasonable.Thereby reach the minimizing support cost, improve the purpose of safety reliability.
Summary of the invention
At the technical matters of above-mentioned existence, the invention provides a kind of outstanding girder of climbing the formula support system of tower crane that is used for, its version is reasonable, can reduce the strained condition of beam body, and can reduce the horizontal applied force of support system.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of outstanding girder of climbing the formula support system of tower crane that is used for, described girder upper surface is provided with two and support system framework bonded assembly pedestal, the girder top flange plate is provided with respectively and reaches and support system hound bonded assembly the 5th otic placode with the first, second, third and the 4th strut bonded assembly the 6th otic placode, and the L-expression of the intersection point O of described hound axis and girder axis is: c (f-c)=a (f-a)+2a (f-c)
Wherein: a is the distance of the point of action in the intersection point O outside to intersection point O, and c is the midline length of framework along the body frame direction, and f is the calculated length of girder.
Described girder lower surface is not the inclined-plane with body of wall bonded assembly one end.Described girder one end is connected with built-in fitting in the body of wall by first otic placode, and junction, the described first otic placode place all connects by bearing pin.Described bearing pin is a bearing pin without a head, has the chain coupling link on it.
The present invention has following advantage:
1, the carrying structure that supports girder among the present invention all be with building in otic placode pivotally attached on the built-in fitting, these two parts can repeated use, and the otic placode that cuts down can repeated use through repairing also; Saved material.
2, girder of the present invention is provided with and support system hound bonded assembly otic placode, its otic placode connecting bore, the strong point that is girder and hound is through optimized choice, the position of intersecting point that has provided hound axis and girder axis is determined expression formula: c (f-c)=a (f-a)+2a (f-c), reduced the maximal bending moment of girder.
3, kingpost cantalever end of the present invention has adopted the weak girder construction that has the inclined-plane, increase the deflection of cantilever end, improve body of the tower at the application force of close building one side two major branches to girder, make body of the tower to moving in the girder effect center of gravity, can reduce the horizontal load that supporting construction produces building like this, to the supporting of large-scale and super-huge tower crane with alleviate the horizontal load of supporting body of wall effective especially.
4, the present invention directly is provided with the triatic stay otic placode on the girder top flange plate, can reduce the moment of torsion that body of the tower forms on girder.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is a mounting structure scheme drawing of the present invention.
Fig. 4 is the birds-eye view of Fig. 3.
Fig. 5 is the chain coupling link structural representation on the bearing pin among Fig. 3.
Fig. 6 is the A-A schematic cross-section.
Fig. 7 is applied to the structural representation of support system for the present invention.
Among the figure: 1. first otic placode, 2. girder, 3. hound, 4. second otic placode, 5. third ear plate, 6. first strut, 7. second strut, 8. bearing pin, 9. head rod, 10. the 3rd strut, 11. the 4th struts, 12. chain coupling links, 13. the 4th otic placode, 14. the 5th otic placodes, 15. pedestals, 16. body of wall, 17. frameworks, 18. tower machines, 19. supporting construction, 20. second pipe links, 21. the 6th otic placodes.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
Embodiment: as shown in Figure 1, girder of the present invention 2 upper surfaces are provided with two and support system framework 17 bonded assembly pedestals 15, girder 2 top flange plates are provided with respectively and reach and support system hound 3 bonded assemblys the 5th otic placode 14 with the first, second, third and the 4th strut 6,7,10,11 bonded assemblys the 6th otic placode 21, and the L-expression of the intersection point O of hound 3 axis and girder axis is:
c(f-c)＝a(f-a)+2a(f-c)
Referring to Fig. 4, in the formula: a is the distance of the point of action in the intersection point O outside to intersection point O, and c is the midline length of framework along the body frame direction, and f is the calculated length of girder.
As Fig. 1, Fig. 3, shown in Figure 4,2 one ends of girder described in this example are connected with built-in fitting in the body of wall 16 by first otic placode 1, the first, second, third and the 4th strut 6,7,10,11 1 ends are connected by second otic placode 4 respectively with built-in fitting in the body of wall 16, wherein first otic placode, 1 place and second otic placode, 4 junctions all connect by bearing pin 8, bearing pin 8 is a bearing pin without a head, have chain coupling link 12 on it, prevent that bearing pin from dropping.Install for convenient, 6,7 of first, second struts and 10,11 of the 3rd, the 4th struts are connected with second pipe link 20 respectively.As Fig. 2, shown in Figure 3, be not the inclined-plane with body of wall bonded assembly one end in girder 2 lower surfaces.Be provided with otic placode with the body of wall coupling end on girder 2, be provided with the 5th otic placode 14 and be used for being connected with hound 3 below girder 2, the top flange plate of girder 2 is provided with the 6th otic placode 21 and triatic stay 6,7,10 and is connected with 11.
As shown in Figure 7, be support system mounting structure figure in use, described support system comprises the identical supporting construction of deploying up and down 19 of two nested structures, described supporting construction 19 comprise girder 2, with two hounds 3 of girder 2 bonded assemblys and four triatic stays, girder 2 is connected with a body of wall 16 respectively with two hounds 3; Fig. 4 is used for the mounting structure scheme drawing of support system for the present invention, described girder 2 is installed on the body of wall, described hound 3 one ends are connected on second otic placode 4 of body of wall by the 4th otic placode 13, the other end is connected on the 5th otic placode 14 of girder 2, at girder 2 and 3 of hounds adjustable head rod 9 is installed also, girder 2, hound 3 are constituted stable three-legged structure, and head rod 9 one ends and hound 3 are fixing, the other end passes girder and fixes with 2 nuts, regulates its length by swivel nut.Framework 17 is connected on the pedestal 15 of girder 2.
Installation process when the present invention is used for support system:
As shown in Figure 7, tower crane need convert the operating mode of climbing to after finishing using under the independent operating mode, at first buries built-in fitting in the body of wall 16 of building, welds each otic placode again.After the otic placode welding is finished, earlier girder 2 is connected together with hound 3 usefulness bearing pins, opposite side connects girder 2 and hound 3 respectively with head rod 9, sling then girder 2, hound 3 and head rod 9 constitutes fabricate blocks, earlier girder 2 is connected with first otic placode, 1 usefulness bearing pin, still the back makes hound 3 be connected with the 4th otic placode 13 by the length of adjusting head rod 9.With reference to Fig. 3 first and second hounds 6 are connected together with second otic placode 4 and second pipe link 20 with 7, carry out the integral level lifting, be connected with the 6th otic placode 21 on the girder earlier, second otic placode be welded on the body of wall built-in fitting again, the mounting means of the 3rd, the 4th strut 10,11 is identical with it; Last installation frame 17, this has just finished the installation of a cover bracing frame.After the installation of having finished two cover bracing frames, just can carry out the first time of tower machine and climb, with the supporting of tower motor spindle to following bracing frame.Before climbing next time, suitably (design) position installs bracing frame earlier additional one on top, and then climbs, and after the end of climbing the bracing frame of bottommost is removed, just can realize that so repeatedly the tower machine upwards climbs along surface of wall, just the tower machine climbs along the outstanding of body of wall.
Claims (4)
1. one kind is used for the outstanding girder of climbing the formula support system of tower crane, it is characterized in that: described girder upper surface is provided with two and support system framework bonded assembly pedestal, the girder top flange plate is provided with respectively and reaches and support system hound bonded assembly the 5th otic placode with the first, second, third and the 4th strut bonded assembly the 6th otic placode, and the L-expression of the intersection point O of described hound (3) axis and girder axis is:
c(f-c)＝a(f-a)+2a(f-c)
Wherein: a is the distance of the point of action in the intersection point O outside to intersection point O, and c is the midline length of framework along the body frame direction, and f is the calculated length of girder.
2. the outstanding girder of climbing the formula support system of tower crane that is used for according to claim 1, it is characterized in that: described girder lower surface is not the inclined-plane with body of wall bonded assembly one end.
3. the outstanding girder of climbing the formula support system of tower crane that is used for according to claim 1 is characterized in that: described girder one end is connected with built-in fitting in the body of wall by first otic placode, and junction, the described first otic placode place all connects by bearing pin.
4. the outstanding girder of climbing the formula support system of tower crane that is used for according to claim 3, it is characterized in that: described bearing pin is a bearing pin without a head, has the chain coupling link on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120032801 CN201971549U (en) | 2011-01-30 | 2011-01-30 | Main beam for suspended support system for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120032801 CN201971549U (en) | 2011-01-30 | 2011-01-30 | Main beam for suspended support system for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201971549U true CN201971549U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120032801 Expired - Lifetime CN201971549U (en) | 2011-01-30 | 2011-01-30 | Main beam for suspended support system for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201971549U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627229A (en) * | 2012-04-11 | 2012-08-08 | 中联重科股份有限公司 | Pin shaft connection structure and its installation and disassembly methods, tower crane |
| CN102642784A (en) * | 2012-04-28 | 2012-08-22 | 上海建工集团股份有限公司 | Support structure of internal-climbing tower crane |
| CN103601081A (en) * | 2013-10-24 | 2014-02-26 | 沈阳建筑大学 | Tower crane internal-climbing support system |
| CN104310234A (en) * | 2014-08-28 | 2015-01-28 | 沈阳建筑大学 | External suspended tower-crane support system |
-
2011
- 2011-01-30 CN CN 201120032801 patent/CN201971549U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627229A (en) * | 2012-04-11 | 2012-08-08 | 中联重科股份有限公司 | Pin shaft connection structure and its installation and disassembly methods, tower crane |
| CN102627229B (en) * | 2012-04-11 | 2015-03-11 | 中联重科股份有限公司 | Pin shaft connection structure and its installation and disassembly methods, tower crane |
| CN102642784A (en) * | 2012-04-28 | 2012-08-22 | 上海建工集团股份有限公司 | Support structure of internal-climbing tower crane |
| CN103601081A (en) * | 2013-10-24 | 2014-02-26 | 沈阳建筑大学 | Tower crane internal-climbing support system |
| CN103601081B (en) * | 2013-10-24 | 2015-09-30 | 沈阳建筑大学 | Support system is climbed in tower crane |
| CN104310234A (en) * | 2014-08-28 | 2015-01-28 | 沈阳建筑大学 | External suspended tower-crane support system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |
|
| CX01 | Expiry of patent term |