CN216764030U - Safe and rapid hoisting tool for large ship lock herringbone door pivot A, B rod - Google Patents
Safe and rapid hoisting tool for large ship lock herringbone door pivot A, B rod Download PDFInfo
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- CN216764030U CN216764030U CN202123037682.8U CN202123037682U CN216764030U CN 216764030 U CN216764030 U CN 216764030U CN 202123037682 U CN202123037682 U CN 202123037682U CN 216764030 U CN216764030 U CN 216764030U
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Abstract
The utility model provides a safe and rapid hoisting tool for a large ship lock herringbone door pivot A, B rod, which comprises a pivot hole hoisting support, wherein the pivot hole hoisting support is fixedly arranged in a pivot hole of an A rod through a locking screw assembly; the A rod second shaft hole of the A rod is matched with the A rod lifting lug; and a clamping and hoisting support structure for clamping the A rod is arranged at one end of the A rod, which is far away from the pivot hole. The tool can be used for quickly hoisting and dismantling the herringbone door pivot A, B rod of the large ship lock, the dismantling efficiency is improved, and the dismantling construction safety is ensured.
Description
Technical Field
The utility model relates to a safe and rapid hoisting tool for A, B rods of a large ship lock herringbone door pivot, belonging to the field of large ship lock herringbone door pivot overhauling and the like.
Background
The top pivot of the herringbone door plays a role in fixing the door at the upper part and mainly bears horizontal acting force generated by self weight, opening and closing and the like and friction force generated by rotation. Due to the fact that the operation frequency of the miter gate is high, the phenomena that a ball tile and a mushroom head of a bottom pivot are abraded, a sealing ring is damaged, an oil duct of the ball tile is blocked and the like can occur, the safe and stable operation of the miter gate is affected, and the door body needs to be jacked regularly to conduct bottom pivot inspection and repair. Generally, a top pivot A, B pull rod needs to be removed before top door construction of a herringbone door, and the existing herringbone door top pivot A, B rod removal process mainly comprises anchor frame wedge cover removal, lifting screw rod removal, top pivot shaft removal, B rod shaft removal, front and rear wedge block loosening and A, B rod hoisting, wherein the maintenance modes and processes of the anchor frame wedge cover removal, lifting screw rod removal, top pivot shaft removal, B rod shaft removal and other items are well solved, but the A, B rod hoisting still limits the disassembly and assembly efficiency of the herringbone door A, B rod, so that the construction period of the whole herringbone door maintenance item is influenced. Therefore, how to hoist A, B poles fast and safely becomes the key problem of the dismouting maintenance of present lambdoidal door A, B pole.
The space of the pivot position is narrow, the mode that a screw jack, a steel wire rope, a chain block and a crane are matched is adopted in the conventional A, B-rod shifting and hoisting, the steel wire rope needs to be laid manually during hoisting, the level of the A, B rod is adjusted through the chain block, the gap between the A, B rod and the door body lug plate and the anchor frame is controlled, and the A, B rods are gradually shifted out by the screw jack. The mode is demolishd efficiency and is not high, relies on artificial experience and proficiency, and there is the risk of falling object in the high altitude in the demolishment process, and constructor has the safety risk.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safe and rapid hoisting tool for a large ship lock herringbone door top pivot A, B rod, which can be used for rapid hoisting and dismantling of a large ship lock herringbone door top pivot A, B rod, improves the dismantling efficiency, and ensures the safety of dismantling construction.
In order to achieve the technical features, the utility model is realized as follows: a safe and rapid hoisting tool for a large ship lock herringbone door top pivot A, B rod comprises a top pivot hole hoisting support, wherein the top pivot hole hoisting support is fixedly arranged in a top pivot hole of an A rod through a locking screw rod assembly; the A rod second shaft hole of the A rod is matched with the A rod lifting lug; and one end of the A rod, which is far away from the pivot hole, is provided with a clamping and hoisting support structure for clamping the A rod.
The top pivot hole hoisting support comprises side plates which are symmetrically arranged, the side plates are fixedly connected through a middle connecting plate, a first lifting lug plate is fixed at the top of the middle connecting plate, and arc plates are symmetrically fixed on the upper inner side wall and the lower inner side wall of each side plate; the arc-shaped plates are supported on the upper side and the lower side of the A rod.
And a B rod lifting lug is arranged at the position of the first shaft hole of the B rod, which is matched with the second shaft hole of the A rod, in a matched manner.
The clamping and hoisting support structure comprises a lower clamping plate and an upper clamping plate, and the two sides of the lower clamping plate and the two sides of the upper clamping plate are fixedly connected through a tensioning screw assembly.
And a second lug plate is fixed in the middle of the top of the upper clamping plate and is fixed through a first reinforcing plate.
The B-rod lifting lug and the A-rod lifting lug are of the same structure and comprise circular base plates, third lifting lug plates are fixed to the tops of the circular base plates, and second reinforcing plates are fixed between the third lifting lug plates and the circular base plates.
When in hoisting, the lifting device comprises a main lifting hook, wherein the main lifting hook is connected with a top pivot hole hoisting bracket through a main hoisting steel wire rope in a hooking manner; the main lifting hook is connected with the clamping and hoisting support structure through a first adjusting chain block; the main lifting hook is connected with the A rod lifting lug through a second adjusting chain block.
The utility model has the following beneficial effects:
1. according to the safe and rapid hoisting tool for the large ship lock herringbone door jacking pivot A, B rod, a hoisting steel wire rope does not need to penetrate through the jacking pivot hole, and abrasion to the inner wall of the A, B rod copper sleeve is avoided.
2. According to the utility model, the tool for safely and quickly hoisting the large ship lock herringbone door pivot A, B is adopted, the tool is more convenient and quicker to install and hoist, and the construction efficiency is greatly improved.
3. According to the utility model, the safe and rapid hoisting tool for the large ship lock herringbone door top hinge A, B rod is adopted, the investment of construction human resources is reduced, the long-time high-altitude overhanging operation of constructors is avoided, and the construction safety is enhanced.
Drawings
The utility model is further illustrated by the following figures and examples.
FIG. 1 is a top view of the arrangement of the A-pole of the lifting tool of the present invention.
Fig. 2 is a view a-a of fig. 1 of the present invention.
Fig. 3 is a view B-B of fig. 1 of the present invention.
Fig. 4 is a three-dimensional view of the arrangement of the hoisting tool of the present invention.
FIG. 5 is a three-dimensional view of the tool layout during B-rod hoisting of the utility model.
FIG. 6 is a top view of the tool arrangement during hoisting of the B-rod of the present invention.
FIG. 7 is a C-C view of the tooling arrangement when the B rod is hoisted in the 6-rod hoisting machine.
FIG. 8 is a top view of the arrangement of the hooks during hoisting according to the utility model A.
FIG. 9 is a front view of the utility model when hoisting the B-pole.
FIG. 10 is a flow chart of the A-rod hoisting process of the miter gate top hinge of the present invention.
FIG. 11 is a flow chart of the B-rod hoisting process of the miter gate top hinge of the utility model.
In the figure: the device comprises a top pivot hole hoisting support 1, a locking screw rod assembly 2, an upper clamping plate 3, a lower clamping plate 4, a rod A lifting lug 5, a tensioning screw rod assembly 6, a rod B lifting lug 7, a rod A8, a rod B9, a top pivot hole 10, a rod B first shaft hole 11, a rod A second shaft hole 12, a first adjusting chain block 13, a main hoisting steel wire rope 14, a second adjusting chain block 15 and a main hoisting hook 16;
the side plate 101, the first lug plate 102, the middle connecting plate 103 and the arc plate 104;
a second lug plate 301, a first reinforcing plate 302;
a circular bottom plate 501, a second reinforcing plate 502, and a third shackle plate 503.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-11, a safe and rapid hoisting tool for a large ship lock herringbone door top pivot A, B rod comprises a top pivot hole hoisting support 1, wherein the top pivot hole hoisting support 1 is fixedly arranged in a top pivot hole 10 of an A rod 8 through a locking screw rod assembly 2; the A rod second shaft hole 12 of the A rod 8 is matched with the A rod lifting lug 5; and a clamping and hoisting support structure for clamping the A rod 8 is arranged at one end of the A rod 8, which is far away from the pivot jacking hole 10. The quick hoisting tool can be used for auxiliary hoisting of the ship lock herringbone door pivot A, B rod.
Further, the top pivot hole hoisting support 1 comprises side plates 101 which are symmetrically arranged, the side plates 101 are fixedly connected through a middle connecting plate 103, a first lug plate 102 is fixed at the top of the middle connecting plate 103, and arc plates 104 are symmetrically fixed on the upper inner side wall and the lower inner side wall of each side plate 101; the arc plates 104 are supported on both upper and lower sides of the a-bar 8. The hoisting support 1 can be used for hoisting and connecting the pivot connecting parts of the A rod 8 and the B rod 9 through the top pivot holes.
Furthermore, a B-rod lifting lug 7 is arranged at the position of a B-rod first shaft hole 11 where the B-rod 9 is matched with the top pivot hole 10 in a matching mode. The B-rod lifting lug 7 can be used for auxiliary lifting of the B-rod 9.
Furthermore, press from both sides tight hoisting support structure including setting up lower plate 4 and the punch holder 3 at B pole 9 upper and lower both ends, link to each other through tightening screw assembly 6 is fixed between the both sides of lower plate 4 and punch holder 3. The B rod 9 can be hoisted in an auxiliary mode through the clamping and hoisting support structure.
Further, a second lug plate 301 is fixed to the middle portion of the top of the upper clamping plate 3, and the second lug plate 301 is fixed through a first reinforcing plate 302. The structural strength is enhanced by the above structure.
Further, the B-rod lifting lug 7 and the a-rod lifting lug 5 adopt the same structure, the a-rod lifting lug 5 comprises a circular base plate 501, a third lifting lug plate 503 is fixed on the top of the circular base plate 501, and a second reinforcing plate 502 is fixed between the third lifting lug plate 503 and the circular base plate 501. Structural strength has been guaranteed through the lug of above-mentioned structure.
Further, during hoisting, the lifting device comprises a main lifting hook 16, wherein the main lifting hook 16 is connected with the top pivot hole hoisting support 1 through a main hoisting steel wire rope 14 in a hooking manner; the main lifting hook 16 is connected with the clamping and hoisting support structure through a first adjusting chain block 13; the main lifting hook 16 is connected with the A-rod lifting lug 5 through a second adjusting chain block 15. Through the cooperation between foretell main lifting hook 16, first adjustment chain block 13 and the second adjustment chain block 15, can realize the focus of hoist and mount in-process AB pole and adjust.
Example 2:
the method for detaching the large ship lock herringbone door pivot A, B rod by using the safe and quick hoisting tool comprises the following steps:
the method comprises the following steps: disassembling the fixed anchor frame of the top pivot A rod and the fixed anchor frame of the B rod, the stud and the nut, disassembling the wedge block base plate, and loosening the front wedge block and the rear wedge block of the A rod and the B rod;
step two: a crane main lifting hook 16 is matched with a first adjusting chain block 13, a second adjusting chain block 15 and a main hoisting steel wire rope 14, the main hoisting steel wire rope 14 hooks a jacking pivot hole hoisting bracket 1, the first adjusting chain block 13 lifts a clamping hoisting bracket structure, and the second adjusting chain block 15 hooks an A rod lifting lug 5;
step three: a lower clamping plate 4 and an upper clamping plate 3 are installed at the fixed positions of the A-rod wedge blocks, the A-rod wedge blocks are connected through a plurality of tensioning screw assemblies 6, nuts are locked, and a main lifting hook 16 is matched with a first adjusting chain block 13 to pre-hook a clamping and hoisting support structure;
step four: arranging a short-stroke jack at the connecting shaft of the A rod 8 and the AB rod, and jacking the short-stroke jack to separate the joint surface of the A rod 8 and the B rod 9 to generate a gap;
step five: a screw jack is arranged between the upper clamping plate 3 and the anchor frame, and the screw jack applies force to slowly eject the rod A8;
step six: a top pivot hole hoisting bracket 1 is arranged at the position of the top pivot hole 10, and a crane main hoisting steel wire rope 14 hooks the top pivot hole hoisting bracket 1;
step seven: the A rod lifting lug 5 is arranged at the A rod second shaft hole 12, and the main lifting hook 16 is matched with a first adjusting chain block 13 to hook the A rod lifting lug 5;
step eight: the center of gravity of the A rod 8 is adjusted through a first adjusting chain block 13 and a second adjusting chain block 15, and the A rod 8 is slowly lifted out of the anchor frame and the door body;
step nine: a crane main lifting hook 16 is matched with a first adjusting chain block 13 and a main hoisting steel wire rope 14, the main hoisting steel wire rope 14 hooks the B-rod lifting lug 7, and the first adjusting chain block 13 hooks the clamping hoisting support structure;
step ten: a lower clamping plate 4 and an upper clamping plate 3 are installed at the fixed positions of the B-rod wedge blocks, are connected through a plurality of tensioning screw assemblies 6, are locked by nuts, and are pre-hooked by a main lifting hook 16 matched with a first adjusting chain block 13 to clamp and hoist the support structure;
step eleven: b-rod lifting lugs 7 are arranged at the connecting shaft holes of the AB rods of the B rods, and the B-rod lifting lugs 7 are hooked by a main steel wire rope of the crane;
step twelve: a screw jack is arranged between the clamping plate and the anchor frame, and the B rod is slowly ejected out under the action of the force applied by the screw jack;
step thirteen: the center of gravity of the B rod is adjusted through the chain block, and the B rod is slowly lifted out of the anchor frame.
Claims (7)
1. A safe and rapid hoisting tool for a large ship lock herringbone door top pivot A, B rod is characterized by comprising a top pivot hole hoisting support (1), wherein the top pivot hole hoisting support (1) is fixedly arranged in a top pivot hole (10) of an A rod (8) through a locking screw rod assembly (2); the A rod second shaft hole (12) of the A rod (8) is matched with the A rod lifting lug (5); and a clamping and hoisting support structure for clamping the A rod (8) is arranged at one end of the A rod (8) far away from the pivot jacking hole (10).
2. The large ship lock herringbone door top hinge A, B rod safe and rapid hoisting tool of claim 1, which is characterized in that: the jacking pivot hole hoisting support (1) comprises side plates (101) which are symmetrically arranged, the side plates (101) are fixedly connected through a middle connecting plate (103), a first lifting lug plate (102) is fixed at the top of the middle connecting plate (103), and arc-shaped plates (104) are symmetrically fixed on the upper inner side wall and the lower inner side wall of each side plate (101); the arc-shaped plates (104) are supported on the upper side and the lower side of the A rod (8).
3. The large ship lock herringbone door top hinge A, B rod safe and rapid hoisting tool of claim 1, which is characterized in that: and a B rod lifting lug (7) is arranged at the position of a first B rod shaft hole (11) matched with the second A rod shaft hole (12) in the B rod (9) in a matching way.
4. The large ship lock herringbone door top hinge A, B rod safe and rapid hoisting tool of claim 1, which is characterized in that: the clamping and hoisting support structure comprises a lower clamping plate (4) and an upper clamping plate (3), and the two sides of the lower clamping plate (4) and the two sides of the upper clamping plate (3) are fixedly connected through a tensioning screw assembly (6).
5. The large ship lock herringbone door top hinge A, B rod safe and rapid hoisting tool of claim 4, wherein: and a second lug plate (301) is fixed at the middle part of the top of the upper clamping plate (3), and the second lug plate (301) is fixed through a first reinforcing plate (302).
6. The large ship lock herringbone door top hinge A, B rod safe and rapid hoisting tool of claim 3, characterized in that: the B-rod lifting lug (7) and the A-rod lifting lug (5) adopt the same structure, the A-rod lifting lug (5) comprises a circular base plate (501), a third lifting lug plate (503) is fixed at the top of the circular base plate (501), and a second reinforcing plate (502) is fixed between the third lifting lug plate (503) and the circular base plate (501).
7. The large ship lock herringbone door top hinge A, B rod safe and rapid hoisting tool of claim 1, which is characterized in that: during hoisting, the lifting device comprises a main lifting hook (16), wherein the main lifting hook (16) is connected with a top pivot hole hoisting bracket (1) through a main hoisting steel wire rope (14) in a hooking manner; the main lifting hook (16) is connected with the clamping and hoisting support structure through a first adjusting chain block (13); the main lifting hook (16) is connected with the A rod lifting lug (5) through a second adjusting chain block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123037682.8U CN216764030U (en) | 2021-12-06 | 2021-12-06 | Safe and rapid hoisting tool for large ship lock herringbone door pivot A, B rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123037682.8U CN216764030U (en) | 2021-12-06 | 2021-12-06 | Safe and rapid hoisting tool for large ship lock herringbone door pivot A, B rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216764030U true CN216764030U (en) | 2022-06-17 |
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ID=81964248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123037682.8U Active CN216764030U (en) | 2021-12-06 | 2021-12-06 | Safe and rapid hoisting tool for large ship lock herringbone door pivot A, B rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216764030U (en) |
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2021
- 2021-12-06 CN CN202123037682.8U patent/CN216764030U/en active Active
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