CN201777793U - Main trolley of large-sized shipbuilding portal crane - Google Patents
Main trolley of large-sized shipbuilding portal crane Download PDFInfo
- Publication number
- CN201777793U CN201777793U CN2010205272669U CN201020527266U CN201777793U CN 201777793 U CN201777793 U CN 201777793U CN 2010205272669 U CN2010205272669 U CN 2010205272669U CN 201020527266 U CN201020527266 U CN 201020527266U CN 201777793 U CN201777793 U CN 201777793U
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- sprocket wheel
- rope
- leading sheave
- fixed
- chain
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Abstract
The utility model discloses a main trolley of a large-sized shipbuilding portal crane, which is a grate improvement for resolving the problem that a steel wire rope of a lifting mechanism of the existing main trolley is wound around the middle of the main trolley, and a rope guide mechanism is unreasonable enough in arrangement. Two ends of the main trolley are respectively provided with a lifting hook, the lifting hooks are identical in structure and symmetrically arranged left and right, and the left-end lifting hook comprises a lifting hook assembly, a fixed pulley assembly, a drum, a swaying mechanism and a rope guide mechanism. The main trolley of a large-sized shipbuilding portal crane is characterized by further comprising guide pulleys A, B, C and D, the guide pulleys and a guide track of the rope guide mechanism are fixedly mounted on a trolley frame, a B end of a steel wire rope is led out via the drum, wound between the fixed pulley assembly A and the lifting hook assembly after successively winding around a steering pulley B and the guide pulleys D, B, A and C and finally wound around a balancing pulley, and an end A of the steel wire rope is also led out from the drum, wound between the fixed pulley assembly B and the lifting hook assembly after winding around a steering pulley A, and finally also wound around the balancing pulley. The main trolley has the advantages of light self weight, compact structure and high safety.
Description
Technical field
The utility model relates to and having at the chassis fixing or that movably walk on crane span structure or the door frame or the hoisting crane of dolly, relates in particular to the main carriage of large shipbuilding portal crane.
Background technology
The selected large shipbuilding portal crane in present domestic shipbuilding yard has major and minor two dollies usually.Main carriage is positioned at top, and the two ends of main carriage are respectively equipped with a suspension hook; Secondary dolly position is lower than main carriage slightly, has only a suspension hook, and the combination by three suspension hooks hoist and descend can realize standing up of body section.Along with the development of ship building industry, shipbuilding technology has proposed some new requirements to large shipbuilding portal crane, and for example, it is traversing to require two suspension hook groups of shipbuilding gantry crane main carriage to realize, makes the spacing of two suspension hooks can micro-adjustment; Adopt rope guide, guarantee that steel rope correctly twines on reel, this directly causes lifting mechanism to become increasingly complex, and the weight of shipbuilding gantry crane main carriage is also increasing.Its shortcoming mainly shows:
1. the lifting mechanism steel wire twines through the dolly middle part, and when safeguarding, the potential safety hazard of existence is more;
2. rope-arranging mechanism is positioned at the reel side, or by the oblique upper of rack arrangement at reel, causes the reel center too high, makes the preponderance of main carriage.
Therefore, row's rope structure of existing main trolley of large shipbuilding portal crane, the layout of track adjusting wheel are improved, further reduced the overall weight of main carriage and the reasonable Arrangement of steel rope, imperative.
Summary of the invention
The purpose of this utility model is, by improvement and the reasonable Arrangement to existing rope-arranging mechanism, transverse-moving mechanism and leading sheave, redesigns the steel rope canoe, when reducing whole main carriage weight and cost, and the safety that has also improved lifting mechanism.
Technical solution of the present utility model is achieved in that
A kind of main trolley of large shipbuilding portal crane, the two ends of this main carriage are respectively equipped with a suspension hook, its structure is identical and be symmetrically arranged, wherein the left end suspension hook comprises the suspension hook group, steel rope A end, steel rope B end, fixed pulley group A, fixed pulley group B, equalizer pulley, transverse-moving mechanism, reel, rope-arranging mechanism, trolley frame and wheeling mechanism, it is characterized in that: also comprise leading sheave A, leading sheave B, leading sheave C, wherein said fixed pulley group A and fixed pulley group B are fixed on the movable stand equalizer pulley, leading sheave A, leading sheave B, leading sheave C, leading sheave D and rope-arranging mechanism guide rail are installed and then are fixed on the trolley frame; Wherein steel rope B end is drawn from reel, walks around deflection sheave B, leading sheave D, leading sheave B, leading sheave A, leading sheave C successively, afterwards, twines between fixed pulley group A and suspension hook group, and is last, walks around equalizer pulley; Steel rope A end is drawn from reel, walks around after the deflection sheave A, twines between fixed pulley group B and suspension hook group, and is last, walks around equalizer pulley; Described right-hand member suspension hook is then identical with the left end suspension hook.
Described transverse-moving mechanism is made up of movable stand, travelling nut, screw rod assembling, fixed mount and reducing motor.Fixed mount is fixed on the trolley frame, and reducing motor and screw rod assembling are linked together, and travelling nut is installed on the movable stand.
Described rope-arranging mechanism is made up of sprocket wheel A, the installation of rope-arranging mechanism guide rail, chain A, deflection sheave A, row's rope dolly, deflection sheave B, sprocket wheel B, sprocket wheel C, chain B, sprocket wheel D, commutator, sprocket wheel E, chain C and sprocket wheel F, sprocket wheel F is fixed on the end of reel, when reel rotates, sprocket wheel F drives sprocket wheel E by chain C and rotates, pass through commutator, drive sprocket wheel D and rotate,, drive sprocket wheel C and sprocket wheel B and rotate by chain B; The two ends of chain A are walked around sprocket wheel A and sprocket wheel B respectively, the two ends of the row of being separately fixed at rope dolly afterwards, and when sprocket wheel B rotated, chain A dragged row's rope dolly and installs mobile along the rope-arranging mechanism guide rail.
Compared with prior art, advantage of the present utility model mainly shows:
1. the lifting mechanism steel rope twines in the middle of dolly by leading sheave, and is safe;
2. rope-arranging mechanism is positioned at the reel side, and with rope-arranging mechanism a bigger leaning angle is arranged, and reel is less with respect to the height on plane on the trolley frame, helps reducing the deadweight of whole main carriage, saves cost;
3. compact conformation, overall dimension is less.
Description of drawings
The utility model drawings attached 8 width of cloth, wherein:
Fig. 1 main carriage front view;
Fig. 2 main carriage birds-eye view;
The A-A cutaway view of Fig. 3 Fig. 1;
The B of Fig. 4 Fig. 3 is to view;
Fig. 5 steel rope twines schematic diagram;
Fig. 6 transverse-moving mechanism scheme drawing;
Fig. 7 rope-arranging mechanism scheme drawing;
The existing shipbuilding gantry crane main carriage steel rope of Fig. 8 twines schematic diagram.
Among the figure: 1 suspension hook group, 2 steel rope A end, 3 steel rope B end, 4 fixed pulley group A, 5 fixed pulley group B, 6 equalizer pulleys, 7 leading sheave A, 8 leading sheave B, 9 leading sheave C, 10 transverse-moving mechanisms, 10.1 movable stands, 10.2 travelling nuts, 10.3 the screw rod assembling, 10.4 fixed mounts, 10.5 reducing motors, 11 reels, 12 leading sheave D, 13 rope-arranging mechanisms, 13.1 sprocket wheel A, 13.2 the rope-arranging mechanism guide rail is installed, 13.3 chain A, 13.4 deflection sheave A, 13.5 row's rope dolly, 13.6 deflection sheave B, 13.7 sprocket wheel B, 13.8 sprocket wheel C, 13.9 chain B, 13.10 sprocket wheel D, 13.11 commutator, 13.12 sprocket wheel E, 13.13 chain C, 13.14 sprocket wheel F, 14 trolley frames, 15 wheeling mechanisms.
Annotate: 1 suspension hook group, 2 steel rope A end, 3 steel rope B end, 4 fixed pulley group A, 5 fixed pulley group B, 6 equalizer pulleys, 7 leading sheave A, 8 leading sheave B, 9 leading sheave C, 10 transverse-moving mechanisms, 10.1 movable stand, 10.2 travelling nut, 10.3 screw rod assembling, 10.4 fixed mount, 10.5 reducing motor, 11 reels, 12 leading sheave D, 13 rope-arranging mechanisms, 13.1 sprocket wheel A, 13.2 the rope-arranging mechanism guide rail is installed, 13.3 chain A, 13.4 deflection sheave A, 13.5 row's rope dolly, 13.6 deflection sheave B, 13.7 sprocket wheel B, 13.8 sprocket wheel C, 13.9 chain B, 13.10 sprocket wheel D, 13.11 commutator, 13.12 sprocket wheel E, 13.13 chain C, 13.14 sprocket wheel F is provided with two covers on each hoisting crane main carriage, be symmetric arrangement, visible Fig. 2 and Fig. 3.
The specific embodiment
Main carriage as a kind of large shipbuilding portal crane of Fig. 1～shown in Figure 8, the two ends of this main carriage are respectively equipped with a suspension hook, identical and the symmetric arrangement of its structure, wherein the left end suspension hook comprises suspension hook group 1, steel rope A end 2, steel rope B end 3, fixed pulley group A4, fixed pulley group B5, equalizer pulley 6, transverse-moving mechanism 10, reel 11, rope-arranging mechanism 13, trolley frame 14 and wheeling mechanism 15.It is characterized in that: also comprise leading sheave A7, leading sheave B8, leading sheave C9 and leading sheave D12, described fixed pulley group A4 and fixed pulley group B5 are fixed on the movable stand 10.1, and equalizer pulley 6, leading sheave A7, leading sheave B8, leading sheave C9, leading sheave D12 and rope-arranging mechanism guide rail are installed 13.2 and be fixed on the trolley frame 14.Steel rope B end 3 is drawn from reel 11, walks around deflection sheave B13.6, leading sheave D12, leading sheave B8, leading sheave A7, leading sheave C9 successively, afterwards, twines between fixed pulley group A4 and suspension hook group 1, and is last, walks around equalizer pulley 6; Steel rope A end 2 is drawn from reel 11, walks around deflection sheave A13.4, afterwards, twines between fixed pulley group B5 and suspension hook group 1, and is last, walks around equalizer pulley 6.
Described transverse-moving mechanism 10 is made up of movable stand 10.1, travelling nut 10.2, screw rod assembling 10.3, fixed mount 10.4 and reducing motor 10.5.Fixed mount 10.4 is fixed on the trolley frame 14, and reducing motor 10.5 and screw rod assembling 10.3 are linked together, and travelling nut 10.2 is installed on the movable stand 10.1.When reducing motor 10.5 rotated, drive screw assembling 10.3 was rotated, and by travelling nut 10.2, finally realized moving of movable stand 10.1.
Described rope-arranging mechanism 13 is made up of sprocket wheel A13.1, rope-arranging mechanism guide rail installation 13.2, chain A13.3, deflection sheave A13.4, row's rope dolly 13.5, deflection sheave B13.6, sprocket wheel B13.7 sprocket wheel C13.8, chain B13.9, sprocket wheel D13.10, commutator 13.11, sprocket wheel E13.12, chain C13.13 and sprocket wheel F13.14.Sprocket wheel F13.14 is fixed on the end of reel 11, and when reel 11 rotated, sprocket wheel F13.14 drove sprocket wheel E13.12 by chain C13.13 and rotates, by commutator 13.11, drive sprocket wheel D13.10 and rotate,, drive sprocket wheel C13.8 and sprocket wheel B13.7 and rotate by chain B13.9.
The two ends of chain A13.3 are walked around sprocket wheel A13.1 and sprocket wheel B13.7 respectively, the two ends of the row of being separately fixed at rope dolly 13.5 afterwards, and when sprocket wheel B13.7 rotated, chain A13.3 dragged row's rope dolly 13.5 and moves along rope-arranging mechanism guide rail installation 13.2.
Rotating speed proportioning between sprocket wheel A13.1, chain A13.3, sprocket wheel B13.7, sprocket wheel C13.8, chain B13.9, sprocket wheel D13.10, commutator 13.11, sprocket wheel E13.12, chain C13.13 and the sprocket wheel F13.14, satisfy the moving circle of reel 11 revolutions, row's rope dolly 13.5 moves the pitch of reel 11 groovings along rope-arranging mechanism guide rail installation 13.2.
If reel is dextrorotation, the input end of commutator 13.11 is opposite with the mouth hand of rotation.
When needs suspension hook group 1 hoists, reel 11 rotates along clockwise direction, chain by rope-arranging mechanism 13 rotates and commutator 13.11, row's rope dolly 13.5 moves right and sees Fig. 3 and Fig. 7, deflection sheave B13.6 and deflection sheave A13.4 drive steel rope B end 3 respectively and steel rope A end 2 moves right, the purpose of the row's of realization rope.
Steel rope B end 3 is wrapped on the reel 11, and steel rope A end 2 is wrapped on the steel rope B end 3.When needing suspension hook group 1 to descend, reel 11 rotates in the counterclockwise direction, and all pulleys and sprocket wheel rotate round about.
If reel is left-handed, only need to adopt the input end commutator 13.11 identical to get final product with the mouth hand of rotation.
Claims (3)
1. main trolley of large shipbuilding portal crane, the two ends of this main carriage are respectively equipped with a suspension hook, its structure is identical and be symmetrically arranged, wherein the left end suspension hook comprises suspension hook group (1), steel rope A holds (2), steel rope B holds (3), fixed pulley group A (4), fixed pulley group B (5), equalizer pulley (6), transverse-moving mechanism (10), reel (11), rope-arranging mechanism (13), trolley frame (14) and wheeling mechanism (15), it is characterized in that: also comprise leading sheave A (7), leading sheave B (8), leading sheave C (9), wherein said fixed pulley group A (4) and fixed pulley group B (5) are fixed on the movable stand (10.1), equalizer pulley (6), leading sheave A (7), leading sheave B (8), leading sheave C (9), leading sheave D (12) and rope-arranging mechanism guide rail are installed (13.2) and then are fixed on the trolley frame (14); Wherein steel rope B end (3) is drawn from reel (11), walk around deflection sheave B (13.6), leading sheave D (12), leading sheave B (8), leading sheave A (7), leading sheave C (9) successively, afterwards, between fixed pulley group A (4) and suspension hook group (1), twine, at last, walk around equalizer pulley (6); Steel rope A end (2) is drawn from reel (11), walks around deflection sheave A (13.4) afterwards, twines between fixed pulley group B (5) and suspension hook group (1), and is last, walks around equalizer pulley (6); Described right-hand member suspension hook is then identical with the left end suspension hook.
2. main trolley of large shipbuilding portal crane according to claim 1, it is characterized in that: described transverse-moving mechanism (10) is made up of movable stand (10.1), travelling nut (10.2), screw rod assembling (10.3), fixed mount (10.4) and reducing motor (10.5), fixed mount (10.4) is fixed on the trolley frame (14), reducing motor (10.5) and screw rod assembling (10.3) are linked together, and travelling nut (10.2) is installed on the movable stand (10.1).
3. main trolley of large shipbuilding portal crane according to claim 2, it is characterized in that: described rope-arranging mechanism (13) is by sprocket wheel A (13.1), the rope-arranging mechanism guide rail is installed (13.2), chain A (13.3), deflection sheave A (13.4), row's rope dolly (13.5), deflection sheave B (13.6), sprocket wheel B (13.7), sprocket wheel C (13.8), chain B (13.9), sprocket wheel D (13.10), commutator (13.11), sprocket wheel E (13.12), chain C (13.13) and sprocket wheel F (13.14) form, sprocket wheel F (13.14) is fixed on the end of reel (11), when reel (11) rotates, sprocket wheel F (13.14) drives sprocket wheel E (13.12) by chain C (13.13) and rotates, by commutator (13.11), driving sprocket wheel D (13.10) rotates, by chain B (13.9), drive sprocket wheel C (13.8) and sprocket wheel B (13.7) and rotate; The two ends of chain A (13.3) are walked around sprocket wheel A (13.1) and sprocket wheel B (13.7) respectively, the two ends of the row of being separately fixed at rope dolly (13.5) afterwards, when sprocket wheel B (13.7) rotated, chain A (13.3) row of dragging rope dolly (13.5) was installed (13.2) along the rope-arranging mechanism guide rail and is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205272669U CN201777793U (en) | 2010-09-11 | 2010-09-11 | Main trolley of large-sized shipbuilding portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205272669U CN201777793U (en) | 2010-09-11 | 2010-09-11 | Main trolley of large-sized shipbuilding portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201777793U true CN201777793U (en) | 2011-03-30 |
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ID=43791014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205272669U Expired - Lifetime CN201777793U (en) | 2010-09-11 | 2010-09-11 | Main trolley of large-sized shipbuilding portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201777793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920907A (en) * | 2010-09-11 | 2010-12-22 | 大连华锐股份有限公司 | Main trolley of large shipbuilding portal crane |
| CN109987524A (en) * | 2019-04-29 | 2019-07-09 | 大连华锐重工集团股份有限公司 | A kind of driving device is moved away from operating mechanism and the application of formula entirely |
-
2010
- 2010-09-11 CN CN2010205272669U patent/CN201777793U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101920907A (en) * | 2010-09-11 | 2010-12-22 | 大连华锐股份有限公司 | Main trolley of large shipbuilding portal crane |
| CN101920907B (en) * | 2010-09-11 | 2012-10-03 | 大连华锐重工集团股份有限公司 | Main trolley of large shipbuilding portal crane |
| CN109987524A (en) * | 2019-04-29 | 2019-07-09 | 大连华锐重工集团股份有限公司 | A kind of driving device is moved away from operating mechanism and the application of formula entirely |
| CN109987524B (en) * | 2019-04-29 | 2023-09-12 | 大连华锐重工集团股份有限公司 | Operating mechanism with fully-movable driving device and application |
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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: 20110330 Effective date of abandoning: 20121003 |