CN205099229U - Roll over cantilever crane and jib loading boom thereof - Google Patents
Roll over cantilever crane and jib loading boom thereof Download PDFInfo
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- CN205099229U CN205099229U CN201520786714.XU CN201520786714U CN205099229U CN 205099229 U CN205099229 U CN 205099229U CN 201520786714 U CN201520786714 U CN 201520786714U CN 205099229 U CN205099229 U CN 205099229U
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Abstract
The utility model relates to a hoisting equipment field has especially involved a roll over cantilever crane and jib loading boom thereof. Roll over cantilever crane including folding arm, folding arm includes the support arm and plays the davit, the support arm includes as supporting basic section of fixed festival and swinging the festival section with fixed festival section articulated, swing festival section is connected with first flexible drive arrangement, it is articulated and be equipped with the second drive arrangement that stretches out and draws back between the swing festival section with swing festival section to play the davit, it is first, the flexible drive arrangement's of second connecting rod and second pin joint coaxial line, the correspondent section of swing festival section, play the correspondent section of davit and first, the second connecting rod constitutes four -bar linkage jointly, through returning the flexible drive arrangement drive of second of contracting four -bar linkage can be with playing folding that davit top end position exchanged, through the flexible drive arrangement drive of extension second four -bar linkage can be with playing davit jack -up facing upward. The utility model discloses a roll over cantilever crane and reduced maintenance and maintenance cost to wind turbine generator system.
Description
Technical field
The utility model relates to weight-lifting equipment field, has particularly related to a kind of folding-jib crane and crane arm thereof.
Background technology
Along with environmental problem becomes increasingly conspicuous, tradition is that the pattern of the main electric power energy is occurring to change with coal, the substitute is people's continually developing and exploring clean energy resource.In new energy field, wind energy enriches also the one of environmental protection the most the most, and due to vast in territory, benign climate, having become wind-power electricity generation in the world adds up the maximum country of generating capacity at present in China.
Along with the continuous growth of the quantity of aerogenerator, the maintenance problem of aerogenerator is come one after another.The distribution of aerogenerator comparatively disperses, in the process run, often there is the situation of indivedual unit fault, but, because the power generation part present position of aerogenerator is higher, repair, need special lifting appliance to assist, currently used lifting appliance mostly is large-scale crawler crane have been come, or first hoisting crane is winched to tower top, then safeguarded by crane hanging component.Adopt the work efficiency of crawler crane lower, maintenance cost is high, and when adopting mode hoisting crane being winched to tower top to construct, difficulty of construction is very big, also there is the high problem of construction cost simultaneously.In view of above reason, be in most cases when Wind turbines number of faults reaches certain numerical value, then carry out centralized maintenance and maintenance in actual production, this brings adverse effect obviously to the efficiency of wind power station.
Utility model content
The purpose of this utility model is to provide a kind of folding-jib crane, to reduce maintenance to Wind turbines and maintenance cost.
Meanwhile, the purpose of this utility model is also the crane arm providing above-mentioned folding-jib crane.
In order to solve the problem, folding-jib crane of the present utility model is by the following technical solutions: folding-jib crane comprises folding arm, the lifting arm that described folding arm comprises hold-down arm and is articulated and connected with hold-down arm, described hold-down arm comprises the fixed-segment as brace foundation of bottom and the swing sections hinged with fixed-segment, swing sections is connected with the first retractable driving device for ordering about its pitching, lifting arm and swing sections hinged and and swing between sections and be provided with the second retractable driving device, save hinged by second connecting rod and swing arm while second retractable driving device is connected with lifting arm by first connecting rod, first, the hinge-point coaxial line of second connecting rod and the second retractable driving device, swing the correspondent section of sections, the correspondent section of lifting arm and first, second connecting rod forms four-bar linkage jointly, drive described four-bar linkage can folding by location swap at the bottom of lifting arm top by second retractable driving device that bounces back, drive described four-bar linkage lifting arm jack-up can be faced upward by extending the second retractable driving device.
Described first retractable driving device is connected to fixed-segment and swings between sections.
Described swing sections is provided with the protuberance coordinated with the first retractable driving device.
The lower end of the fixed-segment of hold-down arm is connected with firm banking by swing type mechanism.
Described firm banking is provided with device for revolving and driving, and device for revolving and driving is in transmission connection by the fixed-segment of gear drive and hold-down arm.
Described lifting arm is telescopic boom.
The crane arm of folding-jib crane is by the following technical solutions: the lifting arm that the crane arm of folding-jib crane comprises hold-down arm and is articulated and connected with hold-down arm, described hold-down arm comprises the fixed-segment as brace foundation of bottom and the swing sections hinged with fixed-segment, swing sections is connected with the first retractable driving device for ordering about its pitching, lifting arm and swing sections hinged and and swing between sections and be provided with the second retractable driving device, save hinged by second connecting rod and swing arm while second retractable driving device is connected with lifting arm by first connecting rod, first, the hinge-point coaxial line of second connecting rod and the second retractable driving device, swing the correspondent section of sections, the correspondent section of lifting arm and first, second connecting rod forms four-bar linkage jointly, drive described four-bar linkage can folding by location swap at the bottom of lifting arm top by second retractable driving device that bounces back, drive described four-bar linkage lifting arm jack-up can be faced upward by extending the second retractable driving device.
Described first retractable driving device is connected to fixed-segment and swings between sections.
Described swing sections is provided with the protuberance coordinated with the first retractable driving device.
Described lifting arm is telescopic boom.
Beneficial effect: under out-of-run state, first of this folding-jib crane, second retractable driving device can bounce back, thus make the swing sections of hold-down arm and lifting arm all remain on folded state, thus can greatly reduce its volume, convenient transport, maneuverability, in working order, first, second retractable driving device can be extended, thus by the swing sections jack-up of hold-down arm, lifting arm is faced upward, thus carry out lifting operation, especially in the process of operation, the elevation angle of lifting arm can be adjusted by the second retractable driving device, namely have adjusted the distance of suspension centre to the attachment point of hold-down arm, make the lifting of article more flexible, increase work efficiency.In sum, during owing to not working volume little, be convenient to transport, during work, lifting flexibly, can be increased work efficiency, and therefore folding-jib crane of the present utility model reduces maintenance to Wind turbines and maintenance cost.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of folding-jib crane;
Fig. 2 is the right elevation of the embodiment of folding-jib crane;
Fig. 3 is the embodiment schematic diagram after folding of folding-jib crane.
Detailed description of the invention
The embodiment of folding-jib crane, as Figure 1-3, this folding-jib crane comprises folding arm and is located at hoister winch 11, steel rope 12, the suspension hook 13 on folding arm.
The lifting arm that folding arm comprises hold-down arm and is articulated and connected with hold-down arm.
Hold-down arm comprise bottom fixed-segment 14 and with the upper end thereof of fixed-segment 14 can the swing sections 15 of pitching, fixed-segment 14 is bases of whole folding arm, in the present embodiment, fixed-segment 14 is roughly triangular in shape, it is provided with to from bottom to top to the inclined-plane that opposite side tilts at the side place swinging sections 15 pitching activity, the setting on inclined-plane is to vacate corresponding space, to avoid interfering with other corresponding component, improve the integrally-built compactedness of hoisting crane, reduce the volume of hoisting crane entirety.Swing sections 15 and be provided with protuberance on the side near its pitching activity, by this protuberance, swing between sections 15 and fixed-segment 14 and be connected with the first retractable driving device 16, can be ordered about swinging sections 15 relative to fixed-segment 14 luffing and realize the folding of hold-down arm and launch by the first retractable driving device 16 flexible.
The swing sections 15 of lifting arm and hold-down arm is hinged, hoister winch 11, steel rope 12 and suspension hook 13 are all located on lifting arm, the second retractable driving device 17 is also provided with between the swing sections of lifting arm and hold-down arm, one end of second retractable driving device 17 is hinged with swing sections 15, the other end is connected with lifting arm by first connecting rod 18, meanwhile, second retractable driving device 17 is also connected with the swing sections 15 of hold-down arm by second connecting rod 19, first, the hinge-point coaxial line of second connecting rod and the second retractable driving device 17, make the correspondent section swinging sections 15 thus, the correspondent section of lifting arm and first, second connecting rod forms four-bar linkage jointly, the wherein hinge-point of lifting arm and hold-down arm, first, the hinge-point of second connecting rod and the second retractable driving device, the hinge-point of the hinge-point of first connecting rod and lifting arm and second connecting rod and hold-down arm forms four summits of described four-bar linkage, the length of each several part of four-bar linkage meets: drive described four-bar linkage can folding by location swap at the bottom of lifting arm top by second retractable driving device that bounces back, drive described four-bar linkage lifting arm jack-up can be faced upward by extending the second retractable driving device, in the present embodiment, the elevation angle of lifting arm can reach 79 °.
In addition, in the present embodiment, lifting arm is telescopic boom, the lifting altitude of expansion hoisting crane that like this can be wider, and contributes to reducing of hoisting crane overall volume; Telescopic boom comprises first segment 20 and second section 21, and first segment and 20 second sections 21 lead along its length and coordinate and be provided with the 3rd retractable driving device 22 therebetween, by elongation and the retraction of the 3rd retractable driving device 22, can adjust the length of lifting arm.
Than the above described structure, in the present embodiment, the lower end of the fixed-segment of hold-down arm is also connected with firm banking 23 by swing type mechanism, and firm banking 23 is provided with device for revolving and driving 24, and device for revolving and driving 24 is in transmission connection by the fixed-segment of gear drive and hold-down arm.
Above-mentioned first, second, third retractable driving device is hydraulic actuating cylinder; What device for revolving and driving specifically adopted is HM Hydraulic Motor.Certainly, in other embodiments, retractable driving device can also be pinion and rack, screw-nut body, and device for revolving and driving can also be motor etc.
Claims (10)
1. folding-jib crane, it is characterized in that, comprise folding arm, the lifting arm that described folding arm comprises hold-down arm and is articulated and connected with hold-down arm, described hold-down arm comprises the fixed-segment as brace foundation of bottom and the swing sections hinged with fixed-segment, swing sections is connected with the first retractable driving device for ordering about its pitching, lifting arm and swing sections hinged and and swing between sections and be provided with the second retractable driving device, save hinged by second connecting rod and swing arm while second retractable driving device is connected with lifting arm by first connecting rod, first, the hinge-point coaxial line of second connecting rod and the second retractable driving device, swing the correspondent section of sections, the correspondent section of lifting arm and first, second connecting rod forms four-bar linkage jointly, drive described four-bar linkage can folding by location swap at the bottom of lifting arm top by second retractable driving device that bounces back, drive described four-bar linkage lifting arm jack-up can be faced upward by extending the second retractable driving device.
2. folding-jib crane according to claim 1, is characterized in that, described first retractable driving device is connected to fixed-segment and swings between sections.
3. folding-jib crane according to claim 2, is characterized in that, described swing sections is provided with the protuberance coordinated with the first retractable driving device.
4. the folding-jib crane according to any one of claim 1-3, is characterized in that, the lower end of the fixed-segment of hold-down arm is connected with firm banking by swing type mechanism.
5. folding-jib crane according to claim 4, is characterized in that, described firm banking is provided with device for revolving and driving, and device for revolving and driving is in transmission connection by the fixed-segment of gear drive and hold-down arm.
6. the folding-jib crane according to any one of claim 1-3, is characterized in that, described lifting arm is telescopic boom.
7. the crane arm of folding-jib crane, it is characterized in that, the lifting arm comprising hold-down arm and be articulated and connected with hold-down arm, described hold-down arm comprises the fixed-segment as brace foundation of bottom and the swing sections hinged with fixed-segment, swing sections is connected with the first retractable driving device for ordering about its pitching, lifting arm and swing sections hinged and and swing between sections and be provided with the second retractable driving device, save hinged by second connecting rod and swing arm while second retractable driving device is connected with lifting arm by first connecting rod, first, the hinge-point coaxial line of second connecting rod and the second retractable driving device, swing the correspondent section of sections, the correspondent section of lifting arm and first, second connecting rod forms four-bar linkage jointly, drive described four-bar linkage can folding by location swap at the bottom of lifting arm top by second retractable driving device that bounces back, drive described four-bar linkage lifting arm jack-up can be faced upward by extending the second retractable driving device.
8. the crane arm of folding-jib crane according to claim 7, is characterized in that, described first retractable driving device is connected to fixed-segment and swings between sections.
9. the crane arm of folding-jib crane according to claim 8, is characterized in that, described swing sections is provided with the protuberance coordinated with the first retractable driving device.
10. the crane arm of the folding-jib crane according to any one of claim 7-9, is characterized in that, described lifting arm is telescopic boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786714.XU CN205099229U (en) | 2015-10-13 | 2015-10-13 | Roll over cantilever crane and jib loading boom thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520786714.XU CN205099229U (en) | 2015-10-13 | 2015-10-13 | Roll over cantilever crane and jib loading boom thereof |
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| CN205099229U true CN205099229U (en) | 2016-03-23 |
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| CN201520786714.XU Active CN205099229U (en) | 2015-10-13 | 2015-10-13 | Roll over cantilever crane and jib loading boom thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699325A (en) * | 2019-01-08 | 2019-05-03 | 徐州中森智能装备有限公司 | A kind of folding arm |
| CN110065890A (en) * | 2019-05-05 | 2019-07-30 | 东华大学 | A kind of combined type driving hoisting apparatus |
| CN112405602A (en) * | 2019-08-20 | 2021-02-26 | 沈阳新松机器人自动化股份有限公司 | Six-axis hydraulic-electric hybrid drive heavy-load robot |
| CN112405603A (en) * | 2019-08-20 | 2021-02-26 | 沈阳新松机器人自动化股份有限公司 | Heavy-load large-inertia transfer robot |
-
2015
- 2015-10-13 CN CN201520786714.XU patent/CN205099229U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109699325A (en) * | 2019-01-08 | 2019-05-03 | 徐州中森智能装备有限公司 | A kind of folding arm |
| CN110065890A (en) * | 2019-05-05 | 2019-07-30 | 东华大学 | A kind of combined type driving hoisting apparatus |
| CN112405602A (en) * | 2019-08-20 | 2021-02-26 | 沈阳新松机器人自动化股份有限公司 | Six-axis hydraulic-electric hybrid drive heavy-load robot |
| CN112405603A (en) * | 2019-08-20 | 2021-02-26 | 沈阳新松机器人自动化股份有限公司 | Heavy-load large-inertia transfer robot |
| CN112405603B (en) * | 2019-08-20 | 2021-10-22 | 沈阳新松机器人自动化股份有限公司 | Heavy-load large-inertia transfer robot |
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