CN112645224A - Tower crane - Google Patents
Tower crane Download PDFInfo
- Publication number
- CN112645224A CN112645224A CN202011500560.5A CN202011500560A CN112645224A CN 112645224 A CN112645224 A CN 112645224A CN 202011500560 A CN202011500560 A CN 202011500560A CN 112645224 A CN112645224 A CN 112645224A
- Authority
- CN
- China
- Prior art keywords
- assembly
- support structure
- tower crane
- festival
- pin shaft
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
- B66C23/28—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
- B66C23/283—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a tower crane, and belongs to the technical field of machinery. It has solved current tower crane in the transportation, technical problem such as dismouting transportation trouble. This tower crane, including pre-buried festival assembly, pre-buried festival assembly is fixed subaerial, its characterized in that, pre-buried festival assembly on can dismantle and be provided with the transition section, can dismantle on the transition section and be provided with a plurality of standard festival, be provided with the joint on the standard festival and rise the festival, be provided with the gyration assembly on the joint, be provided with the jib loading boom assembly on the gyration assembly, the one end of jib loading boom assembly can be dismantled and be provided with a plurality of balancing pieces, the other end of jib loading boom assembly is provided with the trolley, is provided with the lifting hook assembly on the trolley. The invention has the advantage of convenient disassembly, assembly and transportation.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a crane, in particular to a tower crane.
Background
Tower cranes are called tower cranes, and are classified into two major types, namely upper slewing tower cranes and lower slewing tower cranes. Wherein the former has a higher load bearing capacity than the latter.
Through retrieval, if a small tower crane is disclosed in Chinese patent documents (application number: CN 201220011061.4; publication No.: CN202429922U ]. This kind of small-size tower crane includes base, body of the tower, davit, electric block, controlling means, its characterized in that: the tower body is formed by overlapping rectangular joint boxes through bolt connection, the joint boxes are formed by welding angle steel or round steel, the joint boxes are fixedly connected through bolt holes through bolts, the joint box part at the uppermost end is fixedly connected with a supporting platform, a slewing bearing is arranged on the platform and is connected with a motor through a reduction box, the tower top is connected with a suspension arm through a bolt pin, and a balance box is connected to a balance arm at the other side of the suspension arm.
The small tower crane disclosed in the patent is troublesome to disassemble, assemble and transport in the transportation process, so that the design of the tower crane is necessary.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a tower crane, and solves the problem that the existing tower crane is troublesome to disassemble, assemble and transport in the transportation process.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a tower crane, includes pre-buried festival assembly, pre-buried festival assembly is fixed subaerial, its characterized in that, pre-buried festival assembly on can dismantle and be provided with the transition section, can dismantle on the transition section and be provided with a plurality of standard festival, be provided with the joint on the standard festival and rise the festival, be provided with the gyration assembly on the joint, be provided with the jib loading boom assembly on the gyration assembly, the one end of jib loading boom assembly can be dismantled and be provided with a plurality of balancing pieces, the other end of jib loading boom assembly is provided with the trolley, the last lifting hook assembly that is.
Structure more than adopting, through the dismouting to pre-buried festival assembly, transition section, standard festival and antithetical couplet liter festival, but height-adjusting, the transportation of easy to assemble simultaneously, the balancing piece plays and carries out balanced effect to the weight at jib loading boom both ends, and trolley and lifting hook assembly hang the heavy object.
The rotary assembly comprises an upper support structure and a lower support structure, the upper support structure is connected with the lower support structure through a rotary support, the lower support structure is connected with an outer ring of the rotary support, the upper support structure is connected with an inner ring of the rotary support, a rotary mechanism component capable of driving the upper support structure to rotate is arranged on the upper support structure, the lower support structure is connected with a jacking joint structure through a connecting structure, the connecting structure comprises a first pin shaft, a second pin shaft, a first longitudinal pin, a second longitudinal pin and a locating sleeve, one end of the locating sleeve is arranged on the lower support structure, the other end of the locating sleeve is arranged on the jacking joint structure, and the first pin shaft, the second pin shaft, the third pin shaft, the first longitudinal pin and the second longitudinal pin are respectively matched and connected with the locating sleeve.
The jacking joint structure is also provided with a plurality of cotter pins and a plurality of pin shafts IV.
One side of the upper support structure is provided with a cab platform, and the other side of the upper support structure is provided with a side platform.
The cab platform is fixedly connected with the upper support structure through bolts and nuts.
And a fifth pin shaft matched with the upper support structure is arranged on the cab platform.
The cab platform is further provided with a first railing, a second railing and a clamping plate for reinforcement.
The lower support structure is welded with a ladder stand.
The upper support structure and the lower support structure are provided with a plurality of reinforcing rods for reinforcement.
Adopt above structure: the slewing mechanism component drives the slewing bearing to rotate, so that the upper support structure, the cab platform and the side platform are rotated, the upper support structure and the lower support structure are reduced, the size of the slewing device is reduced, the jacking joint structure is arranged, and the standard joint of the tower crane is convenient to install.
The balance weight is a concrete block.
The lifting hook assembly is connected with a power structure which drives the lifting hook assembly to move.
Compared with the prior art, the invention has the following advantages:
through the dismouting to pre-buried festival assembly, the transition festival, the dismouting of standard festival and antithetical couplet liter festival, but height-adjusting, easy to assemble transportation simultaneously, the balancing piece plays and carries out balanced effect to the weight at jib loading boom both ends, trolley and lifting hook assembly hoist the heavy object, the rotation mechanism subassembly drives slewing bearing and rotates, thereby realize the upper bracket structure, cab platform and side platform rotate, and reduce upper bracket structure and undersetting structure, reduce slewer's volume, set up the jacking festival structure, conveniently install the standard festival of tower crane, have the convenient advantage of dismouting transportation.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is an enlarged plan view of a part of the structure of the present invention.
Fig. 3 is a schematic plan view of a part of the structure of the present invention.
Fig. 4 is a schematic plan view of the invention with portions broken away.
Fig. 5 is a schematic view of a partially enlarged cross-sectional structure at a of the present invention.
FIG. 6 is an elevation view of a jacking node structure of the present invention.
FIG. 7 is a top view of a jacking node structure of the present invention.
Fig. 8 is a partially enlarged sectional view schematically illustrating the structure of the present invention B.
In the figure, 1, an upper support structure; 2. a lower support structure; 3. a slewing bearing; 4. a first pin shaft; 5. a second pin shaft; 6. a jacking segment structure; 7. a first longitudinal pin; 8. a second longitudinal pin; 9. a positioning sleeve; 10. a cotter pin; 11. a pin shaft IV; 12. a cab platform; 13. a side platform; 14. climbing a ladder; 15. a fifth pin shaft; 16. a swing mechanism assembly; 18. a first handrail; 19. A second handrail; 20. a splint; 21. pre-embedding a joint assembly; 22. a transition section; 23. a standard section; 24. a joint lifting joint; 25. a boom assembly; 26. a counterbalance; 27. a trolley; 28. a hook assembly; 29. and a rotating assembly.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 8, the tower crane includes an embedded joint assembly 21, the embedded joint assembly 21 is fixed on the ground, in this embodiment, a transition joint 22 is detachably disposed on the embedded joint assembly 21, and a plurality of standard joints 23 are detachably disposed on the transition joint, in this embodiment, according to the number of the standard joints 23 adjusted by the height of a building, a lifting joint 24 is disposed on the standard joint 23, a rotation assembly 29 is disposed on the lifting joint 24, a boom assembly 25 is disposed on the rotation assembly 29, and a plurality of balance blocks 26 are detachably disposed at one end of the boom assembly 25, in this embodiment, the number of the balance blocks 26 is six, the number of the balance blocks 26 can be increased or decreased according to the actual situation, a crane trolley 27 is disposed at the other end of the boom assembly 25, and a hook assembly 28 is disposed on the crane trolley 27.
By adopting the structure, the height can be adjusted by disassembling and assembling the embedded joint assembly 21, the transition joint 22, the standard joint 23 and the joint lifting joint 24, the installation and the transportation are convenient, the balance block 26 plays a role in balancing the weight at two ends of the crane boom, and the crane trolley 27 and the lifting hook assembly 28 lift heavy objects.
The slewing assembly 29 comprises an upper support structure 1 and a lower support structure 2, the upper support structure 1 is connected with the lower support structure 2 through a slewing bearing 3, the lower support structure 2 is connected with an outer ring of the slewing bearing 3, the upper support structure 1 is connected with an inner ring of the slewing bearing 3, a slewing mechanism assembly 16 capable of driving the upper support structure 1 to rotate is arranged on the upper support structure 1, the lower support structure 2 is connected with a jacking joint structure 6 through a connecting structure, the connecting structure comprises a first pin shaft 4, a second pin shaft 5, a first longitudinal pin 7, a second longitudinal pin 8 and a positioning sleeve 9, one end of the positioning sleeve 9 is arranged on the lower support structure 2, the other end of the positioning sleeve 9 is arranged on the jacking joint structure 6, and the first pin shaft 4, the second pin shaft 5, the third pin shaft, the first longitudinal pin 7 and the second longitudinal pin 8 are respectively connected with the positioning sleeve 9 in a matching.
The jacking node structure 6 is further provided with a plurality of split pins 10 and a plurality of pin shafts four 11, in this embodiment, the number of the split pins 10 is four, and the number of the pin shafts four 11 is four.
One side of the upper support structure 1 is provided with a cab platform 12, and the other side of the upper support structure 1 is provided with a side platform 13.
The cab platform 12 is fixedly connected with the upper support structure 1 through bolts and nuts.
And a fifth pin shaft 15 which can be matched with the upper support structure 1 is arranged on the cab platform 12.
The cab platform 12 is further provided with a first rail 18, a second rail 19 and a clamping plate 20 for reinforcement.
A ladder 14 is welded to the lower support structure 2.
Upper bracket structure 1 and undersetting structure 2 all are provided with a plurality of reinforcement bars that are used for the reinforcement, and in this embodiment, the quantity of reinforcement bar is four.
Adopt above structure: slewing mechanism subassembly 16 drives slewing bearing 3 and rotates to realize that upper bracket structure 1, driver's cabin platform 12 and side platform 13 rotate, and reduce upper bracket structure 1 and undersetting structure 2, reduce slewer's volume, set up jacking festival structure 6, conveniently install the standard festival 23 of tower crane.
The balance weight 26 is a concrete block.
The hook assembly 28 is connected to a power structure that drives its motion.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a tower crane, includes pre-buried festival assembly, pre-buried festival assembly is fixed subaerial, its characterized in that, pre-buried festival assembly on can dismantle and be provided with the transition section, can dismantle on the transition section and be provided with a plurality of standard festival, be provided with the joint on the standard festival and rise the festival, be provided with the gyration assembly on the joint, be provided with the jib loading boom assembly on the gyration assembly, the one end of jib loading boom assembly can be dismantled and be provided with a plurality of balancing pieces, the other end of jib loading boom assembly is provided with the trolley, the last lifting hook assembly that is.
2. The tower crane according to claim 1, wherein the rotating assembly comprises an upper support structure and a lower support structure, the upper support structure is connected with the lower support structure through the rotating support, the lower support structure is connected with an outer ring of the rotating support, the upper support structure is connected with an inner ring of the rotating support, a rotating mechanism component capable of driving the upper support structure to rotate is arranged on the upper support structure, the lower support structure is connected with the jacking node structure through a connecting structure, the connecting structure comprises a first pin shaft, a second pin shaft, a first longitudinal pin, a second longitudinal pin and a positioning sleeve, one end of the positioning sleeve is arranged on the lower support structure, the other end of the positioning sleeve is arranged on the jacking node structure, and the first pin shaft, the second pin shaft, the third pin shaft, the first longitudinal pin and the second longitudinal pin are respectively connected with the positioning sleeve in a matching manner.
3. The tower crane according to claim 2, wherein the jacking node structure further comprises a plurality of cotters and a plurality of pins.
4. A tower crane according to claim 3, wherein a cab platform is provided on one side of the upper mounting structure and a side platform is provided on the other side of the upper mounting structure.
5. The tower crane according to claim 4, wherein the cab platform is fixedly connected to the upper support structure by bolts and nuts.
6. The tower crane according to claim 5, wherein a fifth pin shaft capable of being matched with the upper support structure is arranged on the cab platform.
7. The tower crane according to claim 6, wherein the cab platform is further provided with a first rail, a second rail and a clamping plate for reinforcement.
8. The tower crane of claim 7, wherein the lower support structure has a ladder welded thereto.
9. A tower crane according to claim 8, wherein the upper and lower support structures are each provided with a plurality of reinforcing rods for reinforcement.
10. The tower crane of claim 1, wherein the hook assembly is coupled to a powered structure that drives movement of the hook assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011500560.5A CN112645224A (en) | 2020-12-17 | 2020-12-17 | Tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011500560.5A CN112645224A (en) | 2020-12-17 | 2020-12-17 | Tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112645224A true CN112645224A (en) | 2021-04-13 |
Family
ID=75354999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011500560.5A Pending CN112645224A (en) | 2020-12-17 | 2020-12-17 | Tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112645224A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233346A (en) * | 2021-04-21 | 2021-08-10 | 中联重科股份有限公司 | Slewing assembly, upper support of slewing assembly, slewing assembly component and tower crane |
| WO2023142506A1 (en) * | 2022-01-28 | 2023-08-03 | 湖南三一塔式起重机械有限公司 | Slewing assembly and tower crane |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357739A (en) * | 2008-06-02 | 2009-02-04 | 国网北京电力建设研究院 | Column crane special for movable arm type group tower |
| CN202214167U (en) * | 2011-07-23 | 2012-05-09 | 周杨 | tower crane with improved structure |
| CN202214168U (en) * | 2011-07-23 | 2012-05-09 | 周杨 | High strength material tower crane |
| CN103295457A (en) * | 2013-05-22 | 2013-09-11 | 温州建设集团有限公司 | Examining and training teaching aid and method for assembling and disassembling tower crane |
| CN103381997A (en) * | 2013-07-16 | 2013-11-06 | 南通大力神建筑机械有限公司 | Tower crane |
| CN108910730A (en) * | 2018-08-10 | 2018-11-30 | 中国电建集团河南工程有限公司 | The construction method of installation of large-scale horizontal derrick crane |
| CN109516390A (en) * | 2018-12-29 | 2019-03-26 | 浙江省特种设备检验研究院 | A kind of flat-top tower crane and field installation process convenient for manpower transport's installation |
-
2020
- 2020-12-17 CN CN202011500560.5A patent/CN112645224A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101357739A (en) * | 2008-06-02 | 2009-02-04 | 国网北京电力建设研究院 | Column crane special for movable arm type group tower |
| CN202214167U (en) * | 2011-07-23 | 2012-05-09 | 周杨 | tower crane with improved structure |
| CN202214168U (en) * | 2011-07-23 | 2012-05-09 | 周杨 | High strength material tower crane |
| CN103295457A (en) * | 2013-05-22 | 2013-09-11 | 温州建设集团有限公司 | Examining and training teaching aid and method for assembling and disassembling tower crane |
| CN103381997A (en) * | 2013-07-16 | 2013-11-06 | 南通大力神建筑机械有限公司 | Tower crane |
| CN108910730A (en) * | 2018-08-10 | 2018-11-30 | 中国电建集团河南工程有限公司 | The construction method of installation of large-scale horizontal derrick crane |
| CN109516390A (en) * | 2018-12-29 | 2019-03-26 | 浙江省特种设备检验研究院 | A kind of flat-top tower crane and field installation process convenient for manpower transport's installation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233346A (en) * | 2021-04-21 | 2021-08-10 | 中联重科股份有限公司 | Slewing assembly, upper support of slewing assembly, slewing assembly component and tower crane |
| CN113233346B (en) * | 2021-04-21 | 2022-08-09 | 中联重科股份有限公司 | Slewing assembly, upper support of slewing assembly, slewing assembly component and tower crane |
| WO2022222526A1 (en) * | 2021-04-21 | 2022-10-27 | 中联重科建筑起重机械有限责任公司 | Rotary assembly and upper support base thereof, rotary assembly component, and tower crane |
| WO2023142506A1 (en) * | 2022-01-28 | 2023-08-03 | 湖南三一塔式起重机械有限公司 | Slewing assembly and tower crane |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210413 |
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| RJ01 | Rejection of invention patent application after publication |