CN203529797U - Connecting structure for lifting beam and crane head of tower crane - Google Patents
Connecting structure for lifting beam and crane head of tower crane Download PDFInfo
- Publication number
- CN203529797U CN203529797U CN201320657920.1U CN201320657920U CN203529797U CN 203529797 U CN203529797 U CN 203529797U CN 201320657920 U CN201320657920 U CN 201320657920U CN 203529797 U CN203529797 U CN 203529797U
- Authority
- CN
- China
- Prior art keywords
- pin shaft
- pin
- shaft hole
- tower
- crane arm
- 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 - Fee Related
Links
Images
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a connecting structure for a lifting beam and a crane head of a tower crane. The connecting structure comprises four connecting kits, wherein two connecting kits are respectively arranged on the lower side surfaces of the two lower chords of the lifting beam; bottom plates of the connecting kits are connected with the lower side surfaces of the lower chords; sleeves are connected with the lower ends of the middle parts of the bottom plates; longitudinal sleeve pin shaft holes are formed in the middle upper parts of the sleeves; tenons used for being connected with the crane head are arranged in the sleeves; first pin shaft holes and second pin shaft holes are longitudinally formed in the tenons; first pin shafts are inserted into the first pin shaft holes and the sleeve pin shaft holes; the second pin shaft holes are positioned in the lower sides of the sleeves; four crane head sleeves are arranged on the crane head; second pin shafts are inserted into the second pin shaft holes and crane head pin shaft holes in the crane head sleeves. The connecting structure can realize efficient and quick assembly and disassembly, has relatively high mechanical strength, and can improve the assembly and disassembly efficiency of the tower crane, as well as the work efficiency and maximal load moment.
Description
Technical field
The utility model relates to a kind of vehicle for construction, is specifically related to a kind of tower head and crane arm connection structure of tower machine.
Background technology
The tower head of tower machine and crane arm are positioned at the top of tower machine, and in the assembly and disassembly process of tower machine, the difficulty of the assembly and disassembly of tower machine and crane arm operation is larger.And crane arm is as the important operation load larrying member of tower machine, the Joint strenght of crane arm also can have influence on load-carrying ability and the maximum hoisting moment of tower machine.
Existing tower head adopts bolt to be connected with the connection mode of connecting panel with the connection structure of crane arm more, owing to adopting bolt, making to need to expend in the assembly and disassembly process of tower machine the plenty of time carries out the installation and removal of bolt, a large amount of human resources and time have been expended, the dismounting efficiency that has reduced tower machine, even can have influence on normal Construction Schedule.And, the connection mode of existing tower head and crane arm, owing to being the connection structure of bolt and connecting panel, the weight capacity of this connection structure and mechanical strength are all comparatively limited, the lifting weight and the maximum hoisting moment that are unfavorable for improving tower machine, make the serviceability of tower machine limited.
So, in order to overcome the deficiency of existing tower head and crane arm connection structure, need to design a kind of efficiently rapid-assembling and dismounting, the tower head with higher mechanical strength and crane arm connection structure, to improve the assembly and disassembly efficiency of tower machine, improve work efficiency and the maximum hoisting moment of tower machine.
Utility model content
The utility model technical issues that need to address are just to overcome the defect of prior art, a kind of tower head and crane arm connection structure of tower machine are provided, its efficiently rapid-assembling and dismounting, there is higher mechanical strength, can improve the assembly and disassembly efficiency of tower machine, improve work efficiency and the maximum hoisting moment of tower machine.
For addressing the above problem, the utility model adopts following technical scheme:
The tower head of tower machine and crane arm connection structure, tower head and crane arm connection structure comprise the connection external member of four identical vertical settings, and the downside of two lower edges of crane arm is respectively equipped with two and connects external members, and four chain joint kits form four summits of rectangles; The horizonal base plate of each connection external member is welded in the downside of crane arm lower edge, and the lower end, middle part of base plate is welded with the sleeve pipe of vertical setting, and the outside, upper end of sleeve pipe is provided with the gusset for fixed sleeving with base plate welding; The middle and upper part of sleeve pipe is provided with sleeve pipe pin shaft hole longitudinally, is provided with the tenon for being connected with tower head in sleeve pipe, and tenon is provided with the first pin shaft hole and second pin shaft hole of longitudinal setting, and the first bearing pin inserts the first pin shaft hole and sleeve pipe pin shaft hole; The second pin shaft hole is positioned at the downside of sleeve pipe, tower head is provided with four for being socketed the tower head cover of tenon, the second bearing pin inserts the tower head pin shaft hole that the second pin shaft hole and tower head put, tenon is connected tower head with the second bearing pin by the first bearing pin with crane arm, can the convenient dismounting by bearing pin with assembled being connected and disassembling of tower head and crane arm, improved the assembly and disassembly efficiency of tower machine, and the combination of tenon and sleeve pipe has also improved the mechanical strength of connection structure.
The utility model is in order to improve stability and the safety of tower head and crane arm connection structure, and preferably technical scheme is, the first bearing pin and the second pin the tip of the axis are provided with cotter-pin hold, are provided with spring cotter in cotter-pin hold.
The utility model for the mechanical strength that improves tower head and crane arm connection structure be connected compactness, preferably technical scheme also has, tenon is cuboid steel tenon, the first pin shaft hole on tenon and the diameter of the second pin shaft hole are respectively the first bearing pin and the second pin diameter 1.004 ~ 1.11 times, the diameter of the first bearing pin and the second bearing pin is slightly less than the diameter of the first pin-and-hole and the second pin-and-hole, can improve compactness and the convenience of connection structure.
The utility model is in order to improve the intensity of bearing pin, thus the mechanical strength and the safety that improve tower machine, preferably technical scheme also has, and bearing pin is that diameter is the bearing steel bearing pin of 70mm ~ 180mm; Spring cotter is the spring cotter that the diameter of carbon steel is 10mm.
Advantage of the present utility model with beneficial effect is: the tower head of the utility model tower machine is connected with bearing pin by tenon with crane arm connection structure, is convenient to quick assembly and disassembly tower head and tower machine, can improve the operating efficiency of tower machine assembly and disassembly; The tower head of the utility model tower machine and crane arm connection structure adopt the connection mode of tenon and sleeve pipe, and be provided with base plate and gusset, improve the mechanical strength of connection structure, can improve operation weight capacity and the maximum hoisting moment of tower machine, improved the serviceability of tower machine.
Accompanying drawing explanation
Fig. 1 is tower head and the crane arm connection structure front elevation of the utility model tower machine.
Fig. 2 be the utility model tower machine tower head and crane arm connection structure be connected external member cutaway view.
In figure: 1, base plate; 2, gusset; 3, sleeve pipe; 4, the first bearing pin; 5, tenon; 6, the second bearing pin; 7, crane arm.
The specific embodiment
As depicted in figs. 1 and 2, the utility model is tower head and the crane arm connection structure of tower machine, tower head and crane arm connection structure comprise the connection external member of four identical vertical settings, the downside of two lower edges of crane arm 7 is respectively equipped with two and connects external member, and four chain joint kits form four summits of rectangle; The horizonal base plate 1 of each connection external member is welded in the downside of crane arm lower edge, and the lower end, middle part of base plate 1 is welded with the sleeve pipe 3 of vertical setting, and the outside, upper end of sleeve pipe 3 is provided with the gusset 2 for fixed sleeving 3 with base plate 1 welding; The middle and upper part of sleeve pipe 3 is provided with sleeve pipe pin shaft hole longitudinally, is provided with the tenon 5 for being connected with tower head in sleeve pipe 3, and tenon 5 is provided with the first pin shaft hole and second pin shaft hole of longitudinal setting, and the first bearing pin 4 inserts the first pin shaft hole and sleeve pipe pin shaft hole; The second pin shaft hole is positioned at the downside of sleeve pipe 3, and tower head is provided with four for being socketed the tower head cover of tenon 5, the tower head pin shaft hole that second bearing pin 6 insertion the second pin shaft holes and tower head put; In order to improve stability and the safety of tower head and crane arm connection structure, the end of the first bearing pin 4 and the second bearing pin 6 is provided with cotter-pin hold, is provided with spring cotter in cotter-pin hold.
On the basis of embodiment 1, the utility model for the mechanical strength that improves tower head and crane arm connection structure be connected compactness, guarantee the safety of tower machine operation, preferably embodiment also has, tenon 5 is cuboid steel tenon, and the first pin shaft hole on tenon 5 and the diameter of the second pin shaft hole are respectively the first bearing pin 4 and the second bearing pin 6 diameters 1.012 times; The first bearing pin and the second bearing pin are that diameter is the bearing steel bearing pin of 80mm; Spring cotter is the spring cotter that the diameter of carbon steel is 10mm; Other parts are identical with embodiment 1.
On the basis of embodiment 2, the utility model for the mechanical strength that further improves tower head and crane arm connection structure be connected compactness, preferably embodiment also has, and the first pin shaft hole on tenon 5 and the diameter of the second pin shaft hole are respectively the first bearing pin 4 and the second bearing pin 6 diameters 1.008 times; The first bearing pin and the second bearing pin are that diameter is the bearing steel bearing pin of 100mm; Other parts are identical with embodiment 2.
Finally it should be noted that: obviously, above-described embodiment is only for the utility model example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being amplified out thus or change are still among protection domain of the present utility model.
Claims (4)
1. the tower head of tower machine and crane arm connection structure, it is characterized in that, tower head and crane arm connection structure comprise the connection external member of four identical vertical settings, and the downside of two lower edges of crane arm is respectively equipped with two and connects external members, and four chain joint kits form four summits of rectangles; The horizonal base plate that connects external member is connected in the downside of crane arm lower edge, and the lower end, middle part of base plate is connected with the sleeve pipe of vertical setting, and the upper end of sleeve pipe is provided with the gusset for fixed sleeving with base plate welding; The middle and upper part of sleeve pipe is provided with sleeve pipe pin shaft hole longitudinally, is provided with the tenon for being connected with tower head in sleeve pipe, and tenon is provided with the first pin shaft hole and second pin shaft hole of longitudinal setting, and the first bearing pin inserts the first pin shaft hole and sleeve pipe pin shaft hole; The second pin shaft hole is positioned at the downside of sleeve pipe, and tower head is provided with four for being socketed the tower head cover of tenon, and the second bearing pin inserts the tower head pin shaft hole that the second pin shaft hole and tower head put.
2. the tower head of tower machine as claimed in claim 1 and crane arm connection structure, is characterized in that, the first bearing pin and the second pin the tip of the axis are provided with cotter-pin hold, are provided with spring cotter in cotter-pin hold.
3. the tower head of tower machine as claimed in claim 2 and crane arm connection structure, it is characterized in that, tenon is cuboid steel tenon, and the first pin shaft hole on tenon and the diameter of the second pin shaft hole are respectively the first bearing pin and the second pin diameter 1.004 ~ 1.11 times.
4. the tower head of tower machine as claimed in claim 3 and crane arm connection structure, is characterized in that, the first bearing pin and the second bearing pin are that diameter is the bearing steel bearing pin of 70mm ~ 180mm; Spring cotter is the spring cotter that the diameter of carbon steel is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657920.1U CN203529797U (en) | 2013-10-24 | 2013-10-24 | Connecting structure for lifting beam and crane head of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657920.1U CN203529797U (en) | 2013-10-24 | 2013-10-24 | Connecting structure for lifting beam and crane head of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203529797U true CN203529797U (en) | 2014-04-09 |
Family
ID=50416033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320657920.1U Expired - Fee Related CN203529797U (en) | 2013-10-24 | 2013-10-24 | Connecting structure for lifting beam and crane head of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203529797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365051A (en) * | 2016-11-01 | 2017-02-01 | 徐州建机工程机械有限公司 | Tower top and upper supporting base connecting structure of tower crane |
-
2013
- 2013-10-24 CN CN201320657920.1U patent/CN203529797U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106365051A (en) * | 2016-11-01 | 2017-02-01 | 徐州建机工程机械有限公司 | Tower top and upper supporting base connecting structure of tower crane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201809083U (en) | Tower crane, rod piece assembled type standard knot and rod piece used for assembled type standard knot | |
| CN202969271U (en) | Pin-connected rope clip | |
| CN203529797U (en) | Connecting structure for lifting beam and crane head of tower crane | |
| CN202030431U (en) | Adjustable equalizing beam | |
| CN203545535U (en) | Auxiliary arm and crane | |
| CN201914865U (en) | Pin shaft easy to assemble and disassemble | |
| CN203545534U (en) | Lower chord connecting structure of tower crane boom | |
| CN202294144U (en) | Balance suspension communicating shaft | |
| CN202186815U (en) | Elevator car rack | |
| CN203545528U (en) | Gusset plate structure of tower body section of tower crane | |
| CN202181194U (en) | Main arm structure of fork device | |
| CN201932850U (en) | Integral balance arm of tower crane | |
| CN203594699U (en) | Upward push type crusher bearing box structure | |
| CN204211397U (en) | Assembly type standard knot | |
| CN203602297U (en) | Portable portal frame | |
| CN203081318U (en) | Workover rig derrick supporting device | |
| CN102249170B (en) | Main jib structure for fork installing machine | |
| CN201100097Y (en) | Friction welding sucker rod | |
| CN201801964U (en) | Supporting-saucer like tubular joint | |
| CN205419594U (en) | Tower machine standard festival flexible connection structure | |
| CN202827119U (en) | Exhaust pipe lifting hook, exhaust system and vehicle | |
| CN204416966U (en) | A kind of jib drag-line anchor fitting | |
| CN201416178Y (en) | Positioning structure used between standard knots of tower body in flat-top crane | |
| CN102381151A (en) | Installing and fixing structure of suspension torsion bar of torsion beam of automobile | |
| CN202243118U (en) | Base turning beam for dump truck |
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 |
Granted publication date: 20140409 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |