CN203699736U - Cantilever crane - Google Patents
Cantilever crane Download PDFInfo
- Publication number
- CN203699736U CN203699736U CN201320883595.0U CN201320883595U CN203699736U CN 203699736 U CN203699736 U CN 203699736U CN 201320883595 U CN201320883595 U CN 201320883595U CN 203699736 U CN203699736 U CN 203699736U
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- cantilever
- gear ring
- column
- cantilever crane
- handle
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Abstract
The utility model proposes a cantilever crane, comprising an upright post and a cantilever arranged on the upright post, wherein the cantilever is movably connected with the upright post; a lifting device is arranged on the cantilever; a lock device for locking the cantilever is also arranged on the upright post. The cantilever crane with the structure is compact and small in structure and light in weight. The upright post and the cantilever are in movable connection, so that the cantilever can be rotated to any angle according to the requirements when the lifting device lifts a heavy object, and the cantilever is locked through the lock device on the upright post, the heavy object is effectively prevented from colliding with surrounding objects, and the operation is convenient.
Description
Technical field
The utility model relates to elevator machinery field, particularly a kind of cantilever crane.
Background technology
Along with economic development, cantilever crane has been widely used in economic construction at present.The cantilever crane of current use, scantling of structure and weight are relatively large, in space when less place lifting object, due to the swing of cantilever, easily with around bump.In addition, the environment for use of existing cantilever crane mostly is ground or the not high position of terrain clearance, and cantilever is rotated by the suspension ring that pull cantilever front end, and when as higher in terrain clearance, operating personal is difficult to touch suspension ring chain, and operation is inconvenience comparatively.
Application number is in 201120435809.9 Chinese patent, a kind of Split column suspension crane is disclosed, comprise column, pivot arm, described pivot arm is provided with jack up unit, and described pivot arm tail end is arranged on column upper end, and described column middle part is provided with swing-around trajectory around column, described pivot arm bottom is connected with push rod, described push rod lower end is provided with swing-around trajectory mates guide wheel device, and described column upper end is provided with axle, and the tail end of described pivot arm and this axle are rotationally connected.
The Split column suspension crane of said structure, although weight aspect alleviates to some extent, profile reduces to some extent, but still comparatively heavy, and cannot realize self-locking.
In sum, how to provide that a kind of structure is small and exquisite, weight is lighter, and can realize the cantilever crane of locking, become those skilled in the art to need the technical matters of solution badly.
Utility model content
In view of this, problem to be solved in the utility model is how to provide that a kind of structure is small and exquisite, weight is lighter, and can realize the cantilever crane of locking.
For addressing the above problem, the utility model proposes a kind of cantilever crane, comprise column and be located at the cantilever on column, described cantilever is flexibly connected with described column, described cantilever is provided with lifting appliance, is also provided with the latching device for locking cantilever on described column.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described column top is provided with clutch shaft bearing, and described cantilever is provided with the rotating shaft coordinating with described clutch shaft bearing, and described rotating shaft is placed in described clutch shaft bearing.
As the improvement on the one hand of a kind of cantilever crane of the utility model, the second gear ring that described column is provided with the first gear ring and engages with described the first gear ring, the first gear ring is sheathed on described column.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described cantilever crane also comprises push rod, and one end of described push rod is fixedly connected with described cantilever, and described the second gear ring is arranged at the other end of described push rod.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described the first gear ring is internally toothed annulus, and described the second gear ring is external toothing, and described the second gear ring is arranged in described the first gear ring.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described the first gear ring is external toothing, and described the second gear ring is external toothing, and described the second gear ring is arranged at outside described the first gear ring.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described latching device comprises handle and the fixed block for fixed handle, described fixed block is arranged at described push rod one end near described the second gear ring, described handle is flexibly connected with described fixed block, when locking cantilever, described handle is placed in the teeth groove of described the second gear ring.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described lifting appliance comprises rail vehicle, and described rail vehicle can move around on described cantilever, is also provided with the hand cucurbit for hoisting heavy on described rail vehicle.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described cantilever is also provided with loop chain away from one end of described column, described loop chain is used for driving described cantilever-rotating, and the other end of described loop chain can be placed on the hook of being located on described handle, and described handle is Foldable handle.
As the improvement on the one hand of a kind of cantilever crane of the utility model, described cantilever crane also comprises base, and described column is located in described base.
The cantilever crane of said structure, compact conformation, small and exquisite, weight is lighter.Because being connected between column and cantilever is flexibly connected, when lifting appliance hoisting heavy, hinged cantilever arrives any angle as required, and by the latching device on column, cantilever is locked, effectively prevent that weight and object around from bumping, operation more for convenience.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the structural representation of a kind of cantilever crane of the utility model;
Fig. 2 is the cutaway view of A-A portion in Fig. 1;
Fig. 3 is the enlarged drawing of B portion in Fig. 1.
In Fig. 1 to Fig. 3, the corresponding relation of Reference numeral is:
1 rail vehicle 2 cantilever 3 clutch shaft bearings
4 push rod 5 column 6 handles
7 base 8 first gear ring 9 second bearings
10 second gear ring 11 loop chain 12 fixed blocks
The specific embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Cantilever crane as shown in Figure 1, comprises the column 5 of vertically setting up, and is horizontally placed on the cantilever 2 on column 5, and cantilever 2 is flexibly connected with column 5, and cantilever 2 is provided with lifting appliance, is also provided with the latching device for locking cantilever 2 on column 5.Particularly, in one embodiment, being connected between cantilever 2 and column 5 can be for hinged.In another kind of embodiment, as shown in Figure 3, clutch shaft bearing 3 can also be set on vertical shaft, cantilever 2 is provided with the rotating shaft (not shown) coordinating with clutch shaft bearing 3, and rotating shaft is placed in clutch shaft bearing 3, and cantilever 2 can rotate around column 5.
In technique scheme, rotating shaft can be arranged at one end of cantilever 2, also can be arranged at other position of cantilever 2, is preferably disposed on one end of cantilever 2, specifically as shown in Figure 1.
As depicted in figs. 1 and 2, be also provided with the first gear ring 8 and the second gear ring 10, the first gear rings 8 and the second gear ring 10 that coordinate with the first gear ring 8 engage on column 5, the first gear ring 8 is fixedly connected with column 5.Particularly, the first gear ring 8 is sheathed on column 5.In one embodiment, the first gear ring 8 is internally toothed annulus, and the second gear ring 10 is external toothing, and the second gear ring 10 is arranged in the first gear ring 8, when column 5 rotates, can drive the second gear ring 10 to rotate around the first gear ring 8.In another kind of embodiment, the first gear ring 8 is external toothing, and the second gear ring 10 is also external toothing, when column 5 rotates, can drive the second gear ring 10 to rotate.
In technique scheme, cantilever crane also comprises push rod 4, the upper end of push rod 4 is fixedly connected with the downside of cantilever 2, the lower end of push rod 4 is connected with the second gear ring 10, and particularly, the second gear ring 10 is sheathed on the lower end of push rod 4, it should be noted that, it is self-lubricating bearing that the second gear ring 10 inside are also provided with the second bearing 9, the second bearings 9, and the second gear ring 10 can be around the rotation of the lower end of push rod 4.
Latching device comprises handle 6 and the fixed block 12 for fixed handle 6, and fixed block 12 is arranged at push rod 4 lower ends, and handle 6 is flexibly connected with fixed block 12, is specifically as follows hingedly, and handle 6 can rotate up and down around fixed block 12, and handle 6 is Foldable handle.When locking cantilever 2, one end of handle 6 is arranged in the teeth groove of the second gear ring 10.It should be noted that, another effect of handle 6 is to rotate for promoting cantilever 2, and in the time that operational space is comparatively narrow and small, handle 6 is horizontal, operating personal driving handle 6, and cantilever 2 can rotate around column 5.It should be noted that, the length of handle 6 can be definite according to the lifting tonnage of lifting appliance, and in the time that lifting tonnage is larger, the length of handle 6 can be longer, otherwise the length of handle 6 can be shorter.
Lifting appliance comprises rail vehicle 1, and cantilever 2 is provided with track, and rail vehicle 1 is provided with roller, rail vehicle 1 can be on cantilever 2 sway, on rail vehicle 1, be also provided with the hand cucurbit for hoisting heavy, between hand cucurbit and rail vehicle 1, be connected by chain, while pulling chain, weight is realized lifting.
For convenience of hinged cantilever 2, the right-hand member of cantilever 2 is also provided with loop chain 11, and one end of loop chain 11 is fixedly connected with cantilever 2, and while pulling loop chain 11, cantilever 2 rotates around column 5.In addition, take for convenience loop chain 11, be also provided with hook on handle 6, hook is used for hanging loop chain 11, while needing hinged cantilever 2, takes off loop chain 11 from hook, can carry out associative operation.It should be noted that, heavier when lifting thing, when space is comparatively open, conventionally carry out hinged cantilever 2 by loop chain 11.
In technique scheme, the bottom of column 5 is also provided with base 7, and base 7 is arranged on horizontal surface, and the lower end of column 5 is arranged in base 7, and column 5 is fixedly connected with base 7.
The cantilever crane of said structure, principle of work is as follows:
When lifting object, folding handle 6 is opened, and hinged cantilever 2 is to object top, and handle 6 is arranged in the teeth groove of the second gear ring 10, pulls hand cucurbit, weight is sling, handle 6 takes out from teeth groove again, and apparent weight thing size, by driving handle 6 or pull loop chain 11 that cantilever 2 is rotated to the position of placing weight, put down object, complete weight lifting.When as heavier in the weight of lifting by crane thing, need to rotate cantilever 2 by loop chain 11, when as light in the weight of lifting thing, space is comparatively narrow and small, can go back hinged cantilever 2 by driving handle 6.
The cantilever crane of said structure, tool has the following advantages:
First, effectively prevent weight and the collision of object around.The cantilever crane of said structure, because column 5 is provided with the latching device for locking cantilever 2, when lifting appliance hoisting heavy, hinged cantilever 2 is to any angle as required, and lock by latching device, therefore, can effectively prevent that weight and object around from bumping.
Secondly, easy to operate.The cantilever crane of said structure, handle 6 is provided with hook, and it is upper that the lower end of loop chain 11 can be arranged at hook, and therefore picking and placeing more for convenience of loop chain 11, in addition, when as comparatively narrow and small in space, by driving handle 6, also can drive cantilever 2 to rotate, and therefore, operation is more for convenience.
Finally, simple in structure, compact, oad is little, lightweight.The cantilever crane of said structure, compared with traditional cantilever crane, structure is comparatively simple, compactness, oad is less, and weight is lighter, and therefore, use cost is lower, and market outlook are good.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a cantilever crane, comprise column (5) and be located at the cantilever (2) on column (5), it is characterized in that, described cantilever (2) is flexibly connected with described column (5), described cantilever (2) is provided with lifting appliance, and described column is also provided with the latching device for locking cantilever (2) on (5).
2. cantilever crane according to claim 1, is characterized in that, described column (5) top is provided with clutch shaft bearing (3), and described cantilever (2) is provided with the rotating shaft coordinating with described clutch shaft bearing (3), and described rotating shaft is placed in described clutch shaft bearing (3).
3. cantilever crane according to claim 2, is characterized in that, the second gear ring (10) that described column (5) is provided with the first gear ring (8) and engages with described the first gear ring (8), and the first gear ring (8) is sheathed on described column (5).
4. cantilever crane according to claim 3, is characterized in that, described cantilever crane also comprises push rod (4), and one end of described push rod (4) is fixedly connected with described cantilever (2), and described the second gear ring (10) is arranged at the other end of described push rod (4).
5. according to the cantilever crane described in claim 3 or 4, it is characterized in that, described the first gear ring (8) is internally toothed annulus, and described the second gear ring (10) is external toothing, and described the second gear ring (10) is arranged in described the first gear ring (8).
6. according to the cantilever crane described in claim 3 or 4, it is characterized in that, described the first gear ring (8) is external toothing, and described the second gear ring (10) is external toothing, and described the second gear ring (10) is arranged at outside described the first gear ring (8).
7. cantilever crane according to claim 4, it is characterized in that, described latching device comprises handle (6) and the fixed block (12) for fixed handle (6), described fixed block (12) is arranged at described push rod (4) one end near described the second gear ring (10), described handle (6) is flexibly connected with described fixed block (12), when locking cantilever (2), described handle (6) is placed in the teeth groove of described the second gear ring (10).
8. according to the cantilever crane described in any one in claim 1 to 4, it is characterized in that, described lifting appliance comprises rail vehicle (1), and described rail vehicle (1) can move around on described cantilever (2), is also provided with the hand cucurbit for hoisting heavy on described rail vehicle (1).
9. cantilever crane according to claim 7, it is characterized in that, described cantilever (2) is also provided with loop chain (11) away from one end of described column (5), described loop chain (11) is for driving described cantilever (2) rotation, the other end of described loop chain (11) can be placed on the hook of being located on described handle (6), and described handle (6) is Foldable handle.
10. cantilever crane according to claim 9, is characterized in that, described cantilever crane also comprises base (7), and described column (5) is located in described base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883595.0U CN203699736U (en) | 2013-12-27 | 2013-12-27 | Cantilever crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883595.0U CN203699736U (en) | 2013-12-27 | 2013-12-27 | Cantilever crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699736U true CN203699736U (en) | 2014-07-09 |
Family
ID=51050204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320883595.0U Expired - Fee Related CN203699736U (en) | 2013-12-27 | 2013-12-27 | Cantilever crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699736U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891354A (en) * | 2015-07-03 | 2015-09-09 | 杨海良 | Crane with balance adjustment device |
| CN111573523A (en) * | 2020-06-12 | 2020-08-25 | 大连华锐重工冶金设备制造有限公司 | Double-rotation cantilever crane |
-
2013
- 2013-12-27 CN CN201320883595.0U patent/CN203699736U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891354A (en) * | 2015-07-03 | 2015-09-09 | 杨海良 | Crane with balance adjustment device |
| CN111573523A (en) * | 2020-06-12 | 2020-08-25 | 大连华锐重工冶金设备制造有限公司 | Double-rotation cantilever crane |
| CN111573523B (en) * | 2020-06-12 | 2023-08-29 | 大连华锐重工焦炉车辆设备有限公司 | Double-rotation cantilever crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY MARINE HEAVY INDUSTRIES CO., LTD. Free format text: FORMER OWNER: ZHUHAI SANYI HARBOR MACHINERY CO., LTD. Effective date: 20150605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150605 Address after: 519050 Guangdong city of Zhuhai province Pingsha town Ping Road No. 336 East Building Room 310 Patentee after: 31 ocean heavy industry Co., Ltds Address before: 519050 Guangdong city of Zhuhai Province Island Gaolan Port Economic Zone on the west side of the levee Patentee before: ZHUHAI SANYI HARBOR MACHINERY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20181227 |