CN203439961U - Stepped moving propeller strut landing gear for floating crane - Google Patents
Stepped moving propeller strut landing gear for floating crane Download PDFInfo
- Publication number
- CN203439961U CN203439961U CN201320574163.1U CN201320574163U CN203439961U CN 203439961 U CN203439961 U CN 203439961U CN 201320574163 U CN201320574163 U CN 201320574163U CN 203439961 U CN203439961 U CN 203439961U
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- shears
- loaded
- platform
- running wheel
- screw rod
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Abstract
The utility model discloses a stepped moving propeller strut landing gear for a floating crane, and relates to the field of cranes, particularly to a propeller strut landing gear for the floating crane. The stepped moving propeller strut landing gear structurally comprises a propeller strut, a platform and a ship body, wherein the platform is mounted on the ship body; the propeller strut is hinged to the platform. The stepped moving propeller strut landing gear is characterized in that an upper screw assembly is mounted at the lower part of the propeller strut; a lower screw assembly is mounted at the upper part of the platform in a position corresponding to the upper screw assembly; the upper end and the lower end of a bearing bracket are respectively hinged to an upper guide wheel set on the upper screw assembly and a lower guide wheel set on the lower screw assembly. The stepped moving propeller strut landing gear has the characteristics of safety, reliability, high lifting speed, novel structure, simpliness and convenience in processing, convenience in use and the like, and integrates the reliability, economy and practicability.
Description
Technical field
The portable Shears take-off and landing device of stepping of floating crane described in the utility model, relates to hoisting crane field, especially the take-off and landing device of the Shears of heavy floating crane.
Background technology
Along with sea/inland river bridges and culverts is built increasing of quantity, only set level jib and cannot guarantee that floating crane (especially heavy floating crane) is smoothly by bridges and culverts at present, therefore the Shears in floating crane navigation state vertex must possess drop.
Shears plays drop, refer to when by bridge or culvert Shears dropped down onto to least restrictive height, by after again Shears is raised up to normal operation position.
The Shears of the floating crane two kinds of traditional approachs that rise and fall: the first is the mode of rising and falling of utilizing anchor strand or elevator to drive; The second is the mode of rising and falling of single-stage or the direct jacking of multi-stage oil cylinder.
There is obvious deficiency in the above-mentioned tradition mode of rising and falling:
(1), without auto-lock function, the safety guard that other prevents that Shears from falling suddenly must be set.
(2) the secondary bar of large-size need be set, to reduce driver element load.
Therefore developing a kind of Shears take-off and landing device with auto-lock function and compact dimensions becomes technical barrier urgently to be resolved hurrily.
Summary of the invention
In view of existing problem in above-mentioned prior art, the purpose of this utility model is the portable Shears take-off and landing device of the stepping of a kind of novel floating crane of research and design.In order to solve, in prior art, exist:
(1), without auto-lock function, other must be set and prevent the Shears safety guard that falls suddenly.
(2) the secondary bar of large-size need be set, to reduce the problems such as driver element load.
Technical solution of the present utility model is achieved in that
The portable Shears take-off and landing device of stepping of floating crane described in the utility model, comprising: Shears, platform and hull; Platform is loaded on hull, and Shears hinge is loaded on platform; It is characterized in that, in the bottom of Shears, upper screw assembly is housed; In the position corresponding with upper screw assembly, the top of platform, bottom screw rod assembly is housed; The upper guide running wheel group that is loaded on upper screw assembly and the lower guide wheels on the screw rod assembly of bottom are cut with scissors respectively in the top and bottom of bearing support.
Upper screw assembly described in the utility model comprises: top guiding wheels, upper screw, upper rall and upper drive mechanism; Upper rall is loaded on Shears, and upper screw is loaded on Shears; Upper drive mechanism is loaded on Shears, and is connected with upper screw; Upper guide running wheel group is connected with upper screw by top big nut.
Upper guide running wheel group described in the utility model comprises: top big nut and upper guide running wheel; Upper guide running wheel and top big nut are loaded on one, and can on upper rall, be free to slide; Top big nut is threaded onto in upper screw; The upper end of top big nut and bearing support is hinged.
Upper drive mechanism described in the utility model comprises: upper motor, upper pinion and top big gear wheel; Upper motor is loaded on Shears, and upper pinion is housed in upper motor, and upper pinion is meshed with top big gear wheel; Top big gear wheel is nested in upper screw.
Bottom described in the utility model screw rod assembly comprises: lower guide running wheel group, bottom screw rod, lower guide and lower part driving device; Lower guide is loaded on platform; Bottom screw rod is loaded on platform; Lower part driving device is loaded on platform, and is connected with bottom screw rod; Lower guide running wheel group is connected with bottom screw rod by bottom big nut.
Lower guide running wheel group described in the utility model comprises: bottom big nut and lower guide running wheel; Lower guide running wheel and bottom big nut are loaded on one, and can in lower guide, be free to slide; Bottom big nut is threaded onto on the screw rod of bottom; The lower end of bottom big nut and bearing support is hinged.
Lower part driving device described in the utility model comprises: lower motor, lower pinion and bottom big gear wheel; Lower motor is loaded on platform, and lower pinion is housed in lower motor, and lower pinion is meshed with bottom big gear wheel; Bottom big gear wheel is nested on the screw rod of bottom.
The step of rising and falling of the portable Shears take-off and landing device of stepping of floating crane described in the utility model:
1), set stepping miles of relative movement value and the lower guide running wheel group stepping miles of relative movement value on lower guide of upper guide running wheel group on upper rall;
2), Shears is while being positioned at the initial condition of navigation limit for height, the lower end that the upper end of bearing support is positioned at the left end of upper screw, bearing support is positioned at the left end of bottom screw rod;
3), first start lower part driving device, lower motor in lower part driving device drives lower pinion rotation, lower pinion drives bottom big gear wheel rotation, bottom big gear wheel drives bottom bolt rotary, the lower guide running wheel group that bottom bolt rotary drive bottom big nut and lower guide running wheel form moves to the right-hand member of bottom screw rod assembly, the movement of lower guide running wheel drives the lower end that is articulated with the bearing support on the big nut of bottom to move to the right-hand member of bottom screw rod assembly simultaneously, and mobile distance is the stepping miles of relative movement value setting; After lower guide running wheel group moves into place, lower part driving device quits work, and Shears correspondence is lifted certain angle;
4), after lower part driving device quits work; Upper drive mechanism starts, upper motor in upper drive mechanism drives upper pinion rotation, upper pinion drives top big gear wheel rotation, top big gear wheel drives upper screw to rotate, the upper guide running wheel group that upper screw rotation drive top big nut and upper guide running wheel form moves to the right-hand member of upper screw assembly, the movement of upper guide running wheel drives the upper end that is articulated with the bearing support on the big nut of top to move to the right-hand member of upper screw assembly simultaneously, and mobile distance is the stepping miles of relative movement value setting; After upper guide running wheel group moves into place, upper drive mechanism quits work; Now bearing support is vertical with platform, and Shears correspondence is lifted certain angle;
5), repeatedly repeat 3), 4) two steps, make bearing support stepping move to the right-hand member of upper rall and lower guide, realize Shears and lift to normal working, the process of lifting finishes;
6), inverted repeat carries out 3), 4) two steps, make bearing support by the right-hand member stepping of upper rall and lower guide, be moved to the left end of upper rall and lower guide, Shears drops down onto navigation limit for height state from normal working.
The utility model has the advantages that apparently, be mainly manifested in:
1, the utility model has utilized the mechanical self-latching function of screw rod, without extra fender guard, can realize the safety and steady of Shears and park.
When 2, the utility model Shears is lifted to mode of operation from navigation limit for height, its jacking load progressively reduces, therefore the stepping from outside to inside that adopts upper and lower screw rod driven to realize bearing support is moved, bearing support length remains unchanged.
3, the utility model is compared with the tradition mode of rising and falling, and Shears landing amplitude is larger, the speed of rising and falling is faster.
The advantage such as the utlity model has that safe and reliable, rising or falling speed is fast, novel structure, processing are easy, easy to use, it puts goods on the market in enormous quantities and will produce positive social benefit and significant economic benefit.
Accompanying drawing explanation
The utility model has 9 width accompanying drawings, wherein:
Accompanying drawing 1 the utility model Shears drops down onto navigation limit for height constitution diagram;
Accompanying drawing 2 the utility model Shearves are raised up to working state figure;
Accompanying drawing 3 the utility model bearing support stepping motion track figure;
Accompanying drawing 4 the utility model upper screw assembly structure schematic diagrams;
Accompanying drawing 5 top guiding wheels structural representations;
Accompanying drawing 6 upper drive mechanism structural representations;
Accompanying drawing 7 bottom screw rod assembly structure schematic diagrams;
Accompanying drawing 8 lower guide wheel group structure schematic diagrams;
Accompanying drawing 9 lower part driving device structural representations.
In the drawings: 1, upper screw assembly 2, bearing support 3, bottom screw rod assembly 4, Shears 5, platform 6, hull 7, upper guide running wheel group 8, top big nut 9, upper guide running wheel 10, upper screw 11, upper rall 12, upper drive mechanism 13, upper motor 14, upper pinion 15, top big gear wheel 16, lower guide running wheel group 17, bottom big nut 18, lower guide running wheel 19, bottom screw rod 20, lower guide 21, lower part driving device 22, lower motor 23, lower pinion 24, bottom big gear wheel.
The specific embodiment
Specific embodiment of the utility model as shown in drawings, comprising: Shears 4, platform 5 and hull 6, platform 5 are loaded on hull 6, and Shears 4 hinges are loaded on platform 5; It is characterized in that, in the bottom of Shears 4, upper screw assembly 1 is housed; In the position corresponding with upper screw assembly 1, the top of platform 5, bottom screw rod assembly 3 is housed; The lower guide wheels 16 on the upper guide running wheel group 7 that is loaded on upper screw assembly 1 and bottom screw rod assembly 3 are cut with scissors respectively in the top and bottom of bearing support 2.
Upper screw assembly 1 comprises: top guiding wheels 7, upper screw 10, upper rall 11 and upper drive mechanism 12; Upper rall 11 is loaded on Shears 4, and upper screw 10 is loaded on Shears 4; Upper drive mechanism 12 is loaded on Shears 4, and is connected with upper screw 10; Upper guide running wheel group 7 is connected with upper screw 10 by top big nut 8.
Upper guide running wheel group 7 comprises: top big nut 8 and upper guide running wheel 9; Upper guide running wheel 9 is loaded on one with top big nut 8, and can on upper rall 11, be free to slide; Top big nut 8 is threaded onto in upper screw 10; Top big nut 8 is hinged with the upper end of bearing support 2.
Upper drive mechanism 12 comprises: upper motor 13, upper pinion 14 and top big gear wheel 15; Upper motor 13 is loaded on Shears 4, and upper pinion 14 is housed in upper motor 13, and upper pinion 14 is meshed with top big gear wheel 15; Top big gear wheel 15 is nested in upper screw 10.
Bottom screw rod assembly 3 comprises: lower guide running wheel group 16, bottom screw rod 19, lower guide 20 and lower part driving device 21; Lower guide 20 is loaded on platform 5; Bottom screw rod 19 is loaded on platform 5; Lower part driving device 21 is loaded on platform 5, and is connected with bottom screw rod 19; Lower guide running wheel group 16 is connected with bottom screw rod 19 by bottom big nut 17.
Lower guide running wheel group 16 comprises: bottom big nut 17 and lower guide running wheel 18; Lower guide running wheel 18 is loaded on one with bottom big nut 17, and can in lower guide 20, be free to slide; Bottom big nut 17 is threaded onto on bottom screw rod 19; Bottom big nut 17 is hinged with the lower end of bearing support 2.
Lower part driving device 21 comprises: lower motor 22, lower pinion 23 and bottom big gear wheel 24; Lower motor 22 is loaded on platform 5, and lower pinion 23 is housed in lower motor 22, and lower pinion 23 is meshed with bottom big gear wheel 24; Bottom big gear wheel 24 is nested on bottom screw rod 19.
The step of rising and falling of the portable Shears take-off and landing device of stepping of floating crane:
1), set stepping miles of relative movement value and the lower guide running wheel group 16 stepping miles of relative movement value on lower guide 20 of upper guide running wheel group 7 on upper rall 11;
2), Shears 4 be positioned at navigation limit for height initial condition time, the upper end of bearing support 2 is positioned at the left end of upper screw 10, the lower end of bearing support 2 is positioned at the left end of bottom screw rod 19;
3), first start lower part driving device 21, lower motor 22 in lower part driving device 21 drives lower pinion 23 rotations, lower pinion 23 drives 24 rotations of bottom big gear wheel, bottom big gear wheel 24 drives bottom screw rod 19 to rotate, the lower guide running wheel group 16 that bottom screw rod 19 rotation drive bottom big nuts 17 and lower guide running wheel 18 form moves to the right-hand member of bottom screw rod assembly 3, move to the right-hand member of bottom screw rod assembly 3 lower end that the movement of lower guide running wheel 18 drives the bearing support 2 being articulated with on bottom big nut 17 simultaneously, mobile distance is the stepping miles of relative movement value setting, after lower guide running wheel group 16 moves into place, lower part driving device 21 quits work, and Shears 4 correspondences are lifted certain angle,
4), after lower part driving device 21 quits work; Upper drive mechanism 12 starts, upper motor 13 in upper drive mechanism 12 drives upper pinion 14 rotations, upper pinion 14 drives 15 rotations of top big gear wheel, top big gear wheel 15 drives upper screw 10 to rotate, upper screw 10 is rotated upper guide running wheel group 7 right-hand members to upper screw assembly 1 that drive top big nut 8 and upper guide running wheel 9 to form and is moved, move to the right-hand member of upper screw assembly 1 upper end that the movement of upper guide running wheel 9 drives the bearing support 2 being articulated with on top big nut 8 simultaneously, and mobile distance is the stepping miles of relative movement value setting; After upper guide running wheel group 16 moves into place, upper drive mechanism 21 quits work; Shears 4 correspondences are lifted certain angle;
5), repeatedly repeat 3), 4) two steps, make bearing support 2 steppings move to the right-hand member of upper rall 11 and lower guide 20, realize Shears 4 and lift to normal working, the process of lifting finishes;
6), inverted repeat carries out 3), 4) two steps, make bearing support 2 by the right-hand member stepping of upper rall 11 and lower guide 20, be moved to the left end of upper rall 11 and lower guide 20, Shears 4 drops down onto navigation limit for height state from normal working.
The above; it is only the preferably specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; allly be familiar with those skilled in the art in the disclosed technical scope of the utility model, within being equal to and replacing or change and all should be encompassed in protection domain of the present utility model according to the technical solution of the utility model and design of the present utility model thereof.
Claims (7)
1. the portable Shears take-off and landing device of the stepping of floating crane, comprising: it is upper that Shears (4), platform (5) and hull (6), platform (5) are loaded on hull (6), and Shears (4) hinge is loaded on platform (5); It is characterized in that, in the bottom of Shears (4), upper screw assembly (1) is housed; In the position that the top of platform (5) is corresponding with upper screw assembly (1), bottom screw rod assembly (3) is housed; The lower guide wheels (16) on the upper guide running wheel group (7) that is loaded on upper screw assembly (1) and bottom screw rod assembly (3) are cut with scissors respectively in the top and bottom of bearing support (2).
2. the portable Shears take-off and landing device of the stepping of floating crane according to claim 1, is characterized in that described upper screw assembly (1) comprising: top guiding wheels (7), upper screw (10), upper rall (11) and upper drive mechanism (12); It is upper that upper rall (11) is loaded on Shears (4), and upper screw (10) is loaded on Shears (4); It is upper that upper drive mechanism (12) is loaded on Shears (4), and be connected with upper screw (10); Upper guide running wheel group (7) is connected with upper screw (10) by top big nut (8).
3. the portable Shears take-off and landing device of the stepping of floating crane according to claim 2, is characterized in that described upper guide running wheel group (7) comprising: top big nut (8) and upper guide running wheel (9); Upper guide running wheel (9) is loaded on one with top big nut (8), and can on upper rall (11), be free to slide; Top big nut (8) is threaded onto in upper screw (10); Top big nut (8) is hinged with the upper end of bearing support (2).
4. the portable Shears take-off and landing device of the stepping of floating crane according to claim 2, is characterized in that described upper drive mechanism (12) comprising: upper motor (13), upper pinion (14) and top big gear wheel (15); It is upper that upper motor (13) is loaded on Shears (4), and upper pinion (14) is housed in upper motor (13), and upper pinion (14) is meshed with top big gear wheel (15); Top big gear wheel (15) is nested in upper screw (10).
5. the portable Shears take-off and landing device of the stepping of floating crane according to claim 1, is characterized in that described bottom screw rod assembly (3) comprising: lower guide running wheel group (16), bottom screw rod (19), lower guide (20) and lower part driving device (21); Lower guide (20) is loaded on platform (5); Bottom screw rod (19) is loaded on platform (5); It is upper that lower part driving device (21) is loaded on platform (5), and be connected with bottom screw rod (19); Lower guide running wheel group (16) is connected with bottom screw rod (19) by bottom big nut (17).
6. the portable Shears take-off and landing device of the stepping of floating crane according to claim 5, is characterized in that described lower guide running wheel group (16) comprising: bottom big nut (17) and lower guide running wheel (18); Lower guide running wheel (18) is loaded on one with bottom big nut (17), and can in lower guide (20), be free to slide; Bottom big nut (17) is threaded onto on bottom screw rod (19); Bottom big nut (17) is hinged with the lower end of bearing support (2).
7. the portable Shears take-off and landing device of the stepping of floating crane according to claim 5, is characterized in that described lower part driving device (21) comprising: lower motor (22), lower pinion (23) and bottom big gear wheel (24); It is upper that lower motor (22) is loaded on platform (5), and lower pinion (23) is housed in lower motor (22), and lower pinion (23) is meshed with bottom big gear wheel (24); Bottom big gear wheel (24) is nested on bottom screw rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574163.1U CN203439961U (en) | 2013-09-16 | 2013-09-16 | Stepped moving propeller strut landing gear for floating crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574163.1U CN203439961U (en) | 2013-09-16 | 2013-09-16 | Stepped moving propeller strut landing gear for floating crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203439961U true CN203439961U (en) | 2014-02-19 |
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ID=50091030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320574163.1U Withdrawn - After Issue CN203439961U (en) | 2013-09-16 | 2013-09-16 | Stepped moving propeller strut landing gear for floating crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203439961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434953A (en) * | 2013-09-16 | 2013-12-11 | 大连华锐重工集团股份有限公司 | Landing gear for stepping moving type propeller strut of floating crane and landing steps of landing gear |
| CN105417403A (en) * | 2016-01-08 | 2016-03-23 | 招商局重工（江苏）有限公司 | Method for installing ultrahigh ultra-large type floating crane in dock |
-
2013
- 2013-09-16 CN CN201320574163.1U patent/CN203439961U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434953A (en) * | 2013-09-16 | 2013-12-11 | 大连华锐重工集团股份有限公司 | Landing gear for stepping moving type propeller strut of floating crane and landing steps of landing gear |
| CN103434953B (en) * | 2013-09-16 | 2015-03-25 | 大连华锐重工集团股份有限公司 | Landing gear for stepping moving type propeller strut of floating crane and landing steps of landing gear |
| CN105417403A (en) * | 2016-01-08 | 2016-03-23 | 招商局重工（江苏）有限公司 | Method for installing ultrahigh ultra-large type floating crane in dock |
| CN105417403B (en) * | 2016-01-08 | 2017-08-08 | 招商局重工（江苏）有限公司 | A kind of method that ultra-high ultra-large floating crane is installed in dock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20150325 |
|
| RGAV | Abandon patent right to avoid regrant |