CN203699818U - Plane two degrees-freedom nine-rod closed chain type container front hoisting crane - Google Patents
Plane two degrees-freedom nine-rod closed chain type container front hoisting crane Download PDFInfo
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- CN203699818U CN203699818U CN201320723040.XU CN201320723040U CN203699818U CN 203699818 U CN203699818 U CN 203699818U CN 201320723040 U CN201320723040 U CN 201320723040U CN 203699818 U CN203699818 U CN 203699818U
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- rocking bar
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Abstract
The utility model discloses a plane two degrees-freedom nine-rod closed chain type container front hoisting crane which comprises a suspension arm and a suspension arm hoisting telescoping mechanism, wherein a rotating arm of the suspension arm is hinged to the rear part of a vehicle frame; a telescopic arm is mounted on the rotating arm through a sliding pair; a clamping device is arranged at the front end of the telescopic arm; the suspension arm hoisting telescoping mechanism, namely a five connecting rod mechanism assembly, comprises a front rocker arm, front connecting rods, back connecting rods and a four connecting rod mechanism; the front rocker arm is hinged to the front part of the vehicle frame; the front connecting rods are hinged to the front rocker arm; the four connecting rod mechanism is arranged in the middle of the vehicle frame; four connecting rod mechanism front rocker arms and four connecting rod mechanism back rocker arms are hinged to the vehicle frame; the back connecting rods and the hinged points of the four connecting rod mechanism back rocker arms and the four connecting rod mechanism connecting rods form combined hinge; the hinged points of the front connecting rods and the back connecting rods are arranged on the telescopic arm. The container front hoisting crane has the advantages that the movement inertia is small, the track output is flexible, the precision is high, the rigidity and the dynamic performance are good, and the reliability is high.
Description
(1) technical field:
The utility model relates to port crane, specifically a kind of plane two-freedom nine bar closed chain formula face-up transporting hoist of container hoisting cranes.
(2) background technology:
Face-up transporting hoist of container hoisting crane (also claiming container front crane) is a kind of important harbour machinery, has easy to operately, and stacking tier advantages of higher has been brought into play important effect in the operations such as all kinds of harbour container carryings, piling and transport.As CN103332220A, CN101723256A, CN202322093U, CN2773035, the disclosed face-up transporting hoist of container hoisting crane of CN201890746U, be all to drive by combining of telescopic oil cylinder, pitching oil cylinder the task of finishing the work.
But the container front side hoisting crane of above-mentioned this quasi-tradition is pure hydraulic driven, its hydraulic efficiency pressure system exists that parts machining matching requirements are high, manufacture, maintenance, cost of upkeep are high, the not shortcoming such as length, leakage of oil of life-span.And the hoist mechanism of this quasi-tradition fisher's formula cascaded structure is because of the restriction of himself structure, exist the problems such as member heaviness, poor rigidity, inertia are large, joint error accumulation, dynamic performance is poor, is difficult to meet the high-speed overload job requirements of increasingly stringent.
(3) utility model content:
The purpose of this utility model is to provide a kind of plane two-freedom nine bar closed chain formula face-up transporting hoist of container hoisting cranes, can better solve conventional hydraulic formula face-up transporting hoist of container hoisting crane process and assemble require high, maintaining cost is high, the not shortcoming such as length, leakage of oil of life-span.
Can realize the plane two-freedom nine bar closed chain formula face-up transporting hoist of container hoisting cranes of above-mentioned purpose, comprise the arm and the arm lift telescopic mechanism that arrange based on vehicle frame, described arm comprises swivel arm and telescopic boom unlike the prior art, described swivel arm is hinged in vehicle frame rear portion, described telescopic boom is installed on swivel arm by sliding pair, and telescopic boom front end arranges fixing device, described arm lift telescopic mechanism is included in the five-bar mechanism assembly that arm front bilateral symmetry arranges, described five-bar mechanism assembly comprises front rocking bar, front rod, rear linking rod and four-bar linkage, the lower end of described front rocking bar is hinged in vehicle frame front portion, the lower end of front rod and the upper end of front rocking bar are hinged, described four-bar linkage is located at vehicle frame middle part, comprise the front rocking bar of four-bar linkage, rocking bar after four-link rod mechanism and four-bar linkage, before described four-bar linkage, after rocking bar and four-bar linkage, the lower end of rocking bar is hinged in vehicle frame, before described four-link rod mechanism, the upper end of rocking bar after rocking bar and four-bar linkage that is hinged respectively before four-bar linkage, rear two ends, the rear hinge point of the lower end of described rear linking rod and four-link rod mechanism becomes compound hinges, the upper end of front rod and the upper end of rear linking rod are hinged and hinge point is located on telescopic boom.
In said structure, realize the rotation of swivel arm and stretching of telescopic boom by the change in location of five-bar mechanism assembly, finally realize crawl, handling and the unloading of fixing device to freight container.
One of power of described five-bar mechanism assembly is located on front rocking bar, and the common driver train of described front rocking bar is the rocking bar servomotor of being located on vehicle frame; Two of the power of described five-bar mechanism assembly is located on the front rocking bar of four-bar linkage of four-bar linkage, and before described four-bar linkage, the common driver train of rocking bar is the four-bar linkage servomotor of being located on vehicle frame.
The beneficial effects of the utility model:
1, the utility model plane two-freedom nine bar closed chain formula face-up transporting hoist of container hoisting cranes by servomotor directly drive, linkage transmission is realized handling, lifting task, can effectively overcome conventional hydraulic formula face-up transporting hoist of container hoisting crane process and assemble require high, maintaining cost is high, the not shortcoming such as length, leakage of oil of life-span.
2, the utility model integral structure is that outer revolute pair drives, and closes chain-drive form, and all servomotors are installed in frame, effectively reduce the weight of each member, have that movement inertia is little, track output flexibly, precision advantages of higher.
3, the utility model is by the attitude adjustment of five-bar mechanism assembly, just can realize traditional face-up transporting hoist of container hoisting crane by lifting, flexible, the lower degradation task that driving just can complete of combining of telescopic oil cylinder, pitching oil cylinder, there is the reliability of better stiffness characteristics and Geng Gao.
(4) brief description of the drawings:
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is initial, the reset working state schematic representation of Fig. 1 embodiment.
Fig. 3 be Fig. 1 embodiment stretch out crawl working state schematic representation.
Fig. 4 is the handling working state schematic representation of Fig. 1 embodiment.
Figure number mark: 1, vehicle frame; 2, swivel arm; 3, telescopic boom; 4, fixing device; 5, front rocking bar; 6, front rod; 7, rear linking rod; 8, rocking bar before four-bar linkage; 9, four-link rod mechanism; 10, rocking bar after four-bar linkage.
(5) detailed description of the invention:
Below in conjunction with accompanying drawing illustrated embodiment, the technical solution of the utility model is described further.
The utility model plane two-freedom nine bar closed chain formula face-up transporting hoist of container hoisting cranes comprise the arm and the arm lift telescopic mechanism that arrange based on vehicle frame 1.
Described arm comprises swivel arm 2 and telescopic boom 3, the lower end of described swivel arm 2 is hinged in the rear portion of vehicle frame 1, described telescopic boom 3 is installed on swivel arm 2 by sliding pair, in concrete a kind of mode, swivel arm 2 and telescopic boom 3 all adopt square steel tube, telescopic boom 3 is snug fit in swivel arm 2 in the suitable for reading of swivel arm 2, and the fixing device 4 that freight container is captured is located at the front end of telescopic boom 3, as shown in Figure 1.
Described arm lift telescopic mechanism is located at arm front, for the five-bar mechanism assembly arranging in arm bilateral symmetry, described five-bar mechanism assembly comprises front rocking bar 5, front rod 6, rear linking rod 7 and four-bar linkage, the lower end of described front rocking bar 5 is hinged in the front portion of vehicle frame 1, described four-bar linkage is located at the middle part of vehicle frame 1, the upper end of rocking bar 5 before the lower end of described front rod 6 is hinged, four-bar linkage comprises the front rocking bar 8 of four-bar linkage, rocking bar 10 after four-link rod mechanism 9 and four-bar linkage, before described four-bar linkage, after rocking bar 8 and four-bar linkage, the lower end of rocking bar 10 is hinged in vehicle frame 1, before described four-link rod mechanism 9, the upper end of rocking bar 10 after rocking bar 8 and four-bar linkage that is hinged respectively before four-bar linkage, rear two ends, after the lower end of described rear linking rod 7 and four-bar linkage, the hinge point of rocking bar 10 and four-link rod mechanism 9 becomes compound hinges, the upper end of front rod 6 upper ends and rear linking rod 7 is hinged mutually, its hinge point is located on telescopic boom 3, before both sides, the common driver train of rocking bar 5 is the rocking bar servomotor of being located on vehicle frame 1, and before the four-bar linkage of both sides, the common driver train of rocking bar 8 is the four-bar linkage servomotor of being located on vehicle frame 1, as shown in Figure 1.
As shown in Figure 2, the initial condition of the utility model in dead work, now swivel arm 2 turns to lowest order, and telescopic boom 3 bounces back in swivel arm 2.
As shown in Figure 3, the utility model is under the effect of five-bar mechanism assembly, and telescopic boom 3 stretches out, and dead ahead freight container is captured to operation.
As shown in Figure 4, the utility model is under the effect of five-bar mechanism assembly, and swivel arm 2 liftings, complete the lifting operation to dead ahead freight container.
The utility model is under the effect of five-bar mechanism assembly, and swivel arm 2 declines, telescopic boom 3 reclaims, and completes the unloading operation to dead ahead freight container; The utility model swivel arm 2 completes after unloading task, resets to initial condition as shown in Figure 2, prepares clamping and transport operation next freight container.
Claims (2)
1. plane two-freedom nine bar closed chain formula face-up transporting hoist of container hoisting cranes, comprise the arm and the arm lift telescopic mechanism that arrange based on vehicle frame (1), it is characterized in that: described arm comprises swivel arm (2) and telescopic boom (3), described swivel arm (2) is hinged in vehicle frame (1) rear portion, it is upper that described telescopic boom (3) is installed on swivel arm (2) by sliding pair, and telescopic boom (3) front end arranges fixing device (4), described arm lift telescopic mechanism is included in the five-bar mechanism assembly that arm front bilateral symmetry arranges, described five-bar mechanism assembly comprises front rocking bar (5), front rod (6), rear linking rod (7) and four-bar linkage, the lower end of described front rocking bar (5) is hinged in vehicle frame (1) front portion, the upper end of the lower end of front rod (6) and front rocking bar (5) is hinged, described four-bar linkage is located at vehicle frame (1) middle part, comprise the front rocking bar (8) of four-bar linkage, rocking bar (10) after four-link rod mechanism (9) and four-bar linkage, before described four-bar linkage, after rocking bar (8) and four-bar linkage, the lower end of rocking bar (10) is hinged in vehicle frame (1), before described four-link rod mechanism (9), the upper end of rocking bar (10) after rocking bar (8) and four-bar linkage that is hinged respectively before four-bar linkage, rear two ends, the rear hinge point of the lower end of described rear linking rod (7) and four-link rod mechanism (9) becomes compound hinges, the upper end of the upper end of front rod (6) and rear linking rod (8) is hinged and hinge point is located on telescopic boom (3).
2. plane two-freedom nine bar closed chain formula face-up transporting hoist of container hoisting cranes according to claim 1, is characterized in that: the common driver train of described front rocking bar (5) is the rocking bar servomotor of being located on vehicle frame (1); Before described four-bar linkage, the common driver train of rocking bar (8) is the four-bar linkage servomotor of being located on vehicle frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723040.XU CN203699818U (en) | 2013-11-15 | 2013-11-15 | Plane two degrees-freedom nine-rod closed chain type container front hoisting crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320723040.XU CN203699818U (en) | 2013-11-15 | 2013-11-15 | Plane two degrees-freedom nine-rod closed chain type container front hoisting crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699818U true CN203699818U (en) | 2014-07-09 |
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ID=51050285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320723040.XU Withdrawn - After Issue CN203699818U (en) | 2013-11-15 | 2013-11-15 | Plane two degrees-freedom nine-rod closed chain type container front hoisting crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699818U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626078A (en) * | 2013-11-15 | 2014-03-12 | 钦州学院 | Plane two-freedom-degree nine-rod closed-chain type reach stacker |
| CN109969996A (en) * | 2019-03-21 | 2019-07-05 | 广东博智林机器人有限公司 | Fork truck |
-
2013
- 2013-11-15 CN CN201320723040.XU patent/CN203699818U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626078A (en) * | 2013-11-15 | 2014-03-12 | 钦州学院 | Plane two-freedom-degree nine-rod closed-chain type reach stacker |
| CN109969996A (en) * | 2019-03-21 | 2019-07-05 | 广东博智林机器人有限公司 | Fork truck |
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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: 20140709 Effective date of abandoning: 20140917 |
|
| RGAV | Abandon patent right to avoid regrant |