CN203715106U - Hybrid-driven front lifting and conveying crane containing single closed-loop subchain with two degrees of freedom - Google Patents
Hybrid-driven front lifting and conveying crane containing single closed-loop subchain with two degrees of freedom Download PDFInfo
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- CN203715106U CN203715106U CN201420086437.7U CN201420086437U CN203715106U CN 203715106 U CN203715106 U CN 203715106U CN 201420086437 U CN201420086437 U CN 201420086437U CN 203715106 U CN203715106 U CN 203715106U
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- hinged
- arm
- rocking bar
- vehicle frame
- connecting rod
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Abstract
The utility model discloses a hybrid-driven front lifting and conveying crane containing a single closed-loop subchain with two degrees of freedom. The crane comprises a boom and a boom extending and lifting mechanism, wherein the boom is arranged based on a frame and comprises a rotating arm and a lifting arm; the lower end of the rotating arm is hinged at the rear of the frame; the rear end of the lifting arm is hinged with the upper end of the rotating arm; a clamping device is arranged at the front end of the lifting arm; the boom extending and lifting mechanism comprises connecting rod assemblies symmetrically arranged on the two sides in front of and below the boom; each connecting rod assembly comprises a front rocker, a front connecting rod, a rear connecting rod and a rear rocker; the lower ends of the front rockers are hinged with the front of the frame; the lower ends of the front connecting rods are hinged with the upper ends of the front rockers; the lower ends of the rear rockers are hinged in the middle of the frame; the lower ends of the rear connecting rods are hinged with the upper ends of the rear rockers; the upper ends of the rear connecting rods are hinged with the upper ends of the front connecting rods at the middle rear of the lifting arm to form compound hinges. The crane has the advantages of small motion inertia, flexibility in track output, high precision, good rigidity and dynamic property, high reliability and the like.
Description
(1) technical field:
The utility model relates to port crane, specifically a kind of containing single two-freedom closed loop subchain combination drive front-handling mobile crane.
(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 transportation.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 life-span shortcoming such as length, leakage of oil not.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:
For this reason, the utility model proposes a kind of containing single two-freedom closed loop subchain combination drive front-handling mobile crane, mainly solve conventional hydraulic formula face-up transporting hoist of container hoisting crane process and assemble require high, maintaining cost is high, the life-span technical matters such as length, leakage of oil not.
Can solve the problems of the technologies described above containing single two-freedom closed loop subchain combination drive front-handling mobile crane, comprise that the arm and the arm that based on vehicle frame, arrange stretch lifting mechanism, difference is that described arm comprises swivel arm and lift arm, described swivel arm lower end is hinged in vehicle frame rear portion, described lift arm rear end is hinged in swivel arm upper end, and lift arm front end arranges fixing device; Described arm stretches lifting mechanism and is included in the connecting rod assembly that arm front lower place bilateral symmetry arranges, described connecting rod assembly comprises front rocking bar, front rod, rear linking rod and rear rocking bar, the lower end of described front rocking bar is hinged in vehicle frame front portion, the lower end of described front rod and the upper end of front rocking bar are hinged, the lower end of described rear rocking bar is hinged in vehicle frame middle part, the lower end of described rear linking rod and the upper end of rear rocking bar are hinged, rear linking rod upper end and front rod upper end are hinged mutually as compound hinges, and described compound hinge point is located at the postmedian of lift arm; The common driving of described front rocking bar is the high-power conventional motor of being located on vehicle frame, the common driving of described rear rocking bar is the miniwatt servomotor of being located on vehicle frame, or the common driving of described front rocking bar is the miniwatt servomotor of being located on vehicle frame, the common driving of described rear rocking bar is the high-power conventional motor of being located on vehicle frame.
In said structure, the change in location that stretches the connecting rod assembly of lifting mechanism by arm realizes the rotation of swivel arm and the lifting of lift arm, finally realizes fixing device to the crawl of freight container, handling and unloading.
The beneficial effects of the utility model:
1, the utility model is stretched lifting mechanism and is realized handling and lifting task by motor combination drive arm containing single two-freedom closed loop subchain combination drive front-handling mobile crane, can effectively overcome conventional hydraulic formula face-up transporting hoist of container hoisting crane process and assemble require high, maintaining cost is high, the life-span shortcoming such as length, leakage of oil not.
2, the utility model integral structure is that outer revolute pair drives, and closes chain-drive form, and all motors 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 attitude that the utility model stretches the connecting rod assembly of lifting mechanism by arm is adjusted, 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) accompanying drawing explanation:
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 sign: 1, vehicle frame; 2, swivel arm; 3, lift arm; 4, fixing device; 5, front rocking bar; 6, front rod; 7, rear linking rod; 8, rear rocking bar.
(5) specific embodiment:
Below in conjunction with accompanying drawing illustrated embodiment, the technical solution of the utility model is described further.
The utility model comprises that containing single two-freedom closed loop subchain combination drive front-handling mobile crane the arm and the arm that based on vehicle frame 1, arrange stretch lifting mechanism.
Described arm comprises swivel arm 2 and lift arm 3, and the lower end of described swivel arm 2 is hinged in the rear portion of vehicle frame 1, and the rear end of described lift arm 3 is hinged and is installed on the upper end of swivel arm 2, and the fixing device 4 that freight container is captured is located at the front end of lift arm 3; In concrete a kind of mode, lift arm 3 adopts square steel tube, and described swivel arm 2 is in lift arm 3 bilateral symmetry settings, as shown in Figure 1.
Described arm stretches lifting mechanism and is located at arm front lower place, for the connecting rod assembly arranging in arm bilateral symmetry, described connecting rod assembly comprises front rocking bar 5, front rod 6, rear linking rod 7 and rear rocking bar 8, 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 rear rocking bar 8 is hinged in vehicle frame 1 middle front part, the upper end of the lower end of described rear linking rod 7 and rear rocking bar 8 is hinged, the upper end of the upper end of front rod 6 and rear linking rod 7 is hinged together becomes compound hinges, and this compound hinges point is located at the postmedian of lift arm 3; Before both sides, the common driving of rocking bar 5 is the front rocking bar drive motor of being located on vehicle frame 1, and the common driving of two rear flank rocking bars 8 is the rear rocking bar drive motor of being located on vehicle frame 1, as shown in Figure 1.
Described front rocking bar drive motor adopts high-power conventional motor, described rear rocking bar drive motor to adopt miniwatt servomotor and forms the combination drive of hoisting crane; Or contrary, described front rocking bar drive motor adopts miniwatt servomotor, and described rear rocking bar drive motor adopts high-power conventional motor.
As shown in Figure 2, the initial condition of the utility model in dead work.
As shown in Figure 3, the utility model stretches under lifting mechanism effect at the arm consisting of connecting rod assembly, and lift arm 3 declines, and dead ahead freight container is captured to operation.
As shown in Figure 4, the utility model stretches under lifting mechanism effect at arm, and swivel arm 2 forwards rotates decline, and lift arm 3 rearward rotates rising, completes the lifting operation to dead ahead freight container.
The utility model stretches under lifting mechanism effect at arm, and lift arm 3, to protracting, completes the unloading operation to dead ahead freight container.
The utility model swivel arm 2, after completing unloading task, resets to initial condition as shown in Figure 2, prepares clamping and transport operation next freight container.
Claims (1)
1. containing single two-freedom closed loop subchain combination drive front-handling mobile crane, comprise that the arm and the arm that based on vehicle frame (1), arrange stretch lifting mechanism, it is characterized in that: described arm comprises swivel arm (2) and lift arm (3), described swivel arm (2) lower end is hinged in vehicle frame (1) rear portion, described lift arm (3) rear end is hinged in swivel arm (2) upper end, and lift arm (3) front end arranges fixing device (4), described arm stretches lifting mechanism and is included in the connecting rod assembly that arm front lower place bilateral symmetry arranges, described connecting rod assembly comprises front rocking bar (5), front rod (6), rear linking rod (7) and rear rocking bar (8), 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 described front rod (6) and front rocking bar (5) is hinged, the lower end of described rear rocking bar (8) is hinged in vehicle frame (1) middle part, the upper end of the lower end of described rear linking rod (7) and rear rocking bar (8) is hinged, rear linking rod (7) upper end and front rod (6) upper end are hinged mutually as compound hinges, described compound hinge point is located at the postmedian of lift arm (3), the common driving of described front rocking bar (5) is to be located at the high-power conventional motor on vehicle frame (1), the common driving of described rear rocking bar (8) is to be located at the miniwatt servomotor on vehicle frame (1), or the common driving of described front rocking bar (5) is for being located at the miniwatt servomotor on vehicle frame (1), the common driving of described rear rocking bar (8) is for being located at the high-power conventional motor on vehicle frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086437.7U CN203715106U (en) | 2014-02-27 | 2014-02-27 | Hybrid-driven front lifting and conveying crane containing single closed-loop subchain with two degrees of freedom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086437.7U CN203715106U (en) | 2014-02-27 | 2014-02-27 | Hybrid-driven front lifting and conveying crane containing single closed-loop subchain with two degrees of freedom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203715106U true CN203715106U (en) | 2014-07-16 |
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ID=51154275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420086437.7U Withdrawn - After Issue CN203715106U (en) | 2014-02-27 | 2014-02-27 | Hybrid-driven front lifting and conveying crane containing single closed-loop subchain with two degrees of freedom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203715106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803427A (en) * | 2014-02-27 | 2014-05-21 | 钦州学院 | Hybrid-driven front-handling hoisting crane containing single two-degrees-of-freedom closed-loop subchain |
| CN107009060A (en) * | 2017-05-24 | 2017-08-04 | 钦州学院 | Wall machine is climbed in the maintenance of Three Degree Of Freedom ship weld seam |
-
2014
- 2014-02-27 CN CN201420086437.7U patent/CN203715106U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803427A (en) * | 2014-02-27 | 2014-05-21 | 钦州学院 | Hybrid-driven front-handling hoisting crane containing single two-degrees-of-freedom closed-loop subchain |
| CN103803427B (en) * | 2014-02-27 | 2015-11-25 | 钦州学院 | Containing single two-freedom closed-loop subchain combination drive front-handling mobile crane |
| CN107009060A (en) * | 2017-05-24 | 2017-08-04 | 钦州学院 | Wall machine is climbed in the maintenance of Three Degree Of Freedom ship weld seam |
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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: 20140716 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |