CN220449506U - Rotary lifting appliance capable of operating underwater - Google Patents
Rotary lifting appliance capable of operating underwater Download PDFInfo
- Publication number
- CN220449506U CN220449506U CN202323314677.6U CN202323314677U CN220449506U CN 220449506 U CN220449506 U CN 220449506U CN 202323314677 U CN202323314677 U CN 202323314677U CN 220449506 U CN220449506 U CN 220449506U
- Authority
- CN
- China
- Prior art keywords
- chain wheel
- chain
- rotating mechanism
- frame
- small
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
A rotary lifting appliance capable of operating underwater is provided with a pulley block, a planetary reducer and a rotary mechanism on a frame; a hydraulic motor is arranged on the planetary speed reducer, and the planetary speed reducer is connected with a rotating mechanism through a chain wheel and chain mechanism; the rotating mechanism comprises a thrust bearing and a hook handle assembled in the thrust bearing, and a hook nut used for connecting a lifting appliance is also arranged in the rotating mechanism; an upper sealing piece is arranged on the outer side of the thrust bearing, and a lower sealing piece is sleeved on the lower part of the lifting hook handle; the small chain wheel in the chain wheel and chain mechanism is connected with the output shaft of the planetary reducer through a flat key, the large chain wheel is connected with the lifting hook handle of the rotating mechanism through a flat key, and the roller chain is arranged on the large chain wheel and the small chain wheel to drive the small chain wheel and the large chain wheel to move. The utility model realizes the rotation of the suspended articles. The rotating mechanism is provided with the upper sealing element and the lower sealing element, so that the bearing can be protected from water inflow during underwater operation, and the requirement of the underwater operation is met.
Description
Technical Field
The utility model belongs to the field of cranes, and particularly relates to a rotary lifting appliance capable of operating underwater.
Background
In hoisting operations, it is often necessary to use a rotating spreader, which is driven by a motor to rotate by a conventional crane.
However, in underwater operation, the motor cannot meet the waterproof requirement of the diving level. And the bearing seal of the traditional rotary lifting tool cannot meet the underwater operation requirement.
Disclosure of Invention
The utility model aims to solve the technical problems that: aiming at the problem that the traditional rotary lifting appliance in the prior art cannot meet the requirement of underwater operation, the rotary lifting appliance capable of underwater operation is provided.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
a rotary lifting appliance capable of operating underwater comprises a frame, wherein a pulley block, a planetary reducer and a rotary mechanism are arranged on the frame; the planetary speed reducer is provided with a hydraulic motor and is connected with the rotating mechanism through a chain wheel and chain mechanism;
the rotating mechanism comprises a thrust bearing and a hook handle assembled in the thrust bearing, and a hook nut used for connecting a lifting appliance is also arranged in the rotating mechanism; an upper sealing piece is arranged on the outer side of the thrust bearing, and a lower sealing piece is sleeved on the lower part of the lifting hook handle;
the chain wheel and chain mechanism mainly comprises a small chain wheel, a large chain wheel and a roller chain, wherein the small chain wheel is connected with an output shaft of the planetary reducer through a flat key, the large chain wheel is connected with a lifting hook handle of the rotating mechanism through the flat key, and the roller chain is arranged on the large chain wheel and the small chain wheel and drives the small chain wheel and the large chain wheel to move.
A chain wheel baffle is arranged on the outer side of the small chain wheel, a chain protection cover is arranged on the outer side of the chain wheel and chain mechanism, and the chain wheel baffle is connected with the chain protection cover.
The planet speed reducer is arranged on the L-shaped mounting frame, and the sprocket wheel adjusting mechanism is arranged on the frame through a fastening bolt.
Compared with the prior art, the utility model has the following beneficial effects: the utility model adopts the hydraulic motor and the planetary reducer to drive, and drives the hook handle to rotate through the chain wheel and the chain, thereby realizing the rotation of the hung article. The rotating mechanism is provided with the upper sealing element and the lower sealing element, so that the bearing can be protected from water inflow during underwater operation, and the requirement of the underwater operation is met.
Drawings
FIG. 1 is a schematic view of a rotatable spreader for underwater operation in accordance with the present utility model;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a top view of fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, the rotary lifting appliance capable of operating underwater comprises a frame 2, wherein a pulley block 1, a planetary reducer 4 and a rotary mechanism 6 are arranged on the frame 2; the hydraulic motor 3 is arranged on the planetary reducer 4, and the planetary reducer 4 is connected with the rotating mechanism 6 through the chain wheel and chain mechanism 5.
The rotating mechanism 6 comprises a thrust bearing 61 and a lifting hook handle 63 assembled in the thrust bearing 61, and a lifting hook nut 62 for connecting a lifting appliance is also arranged in the rotating mechanism; an upper seal 64 is provided on the outer side of the thrust bearing 61, and a lower seal 65 is provided on the lower portion of the hook stem 63.
The sprocket chain mechanism 5 mainly comprises a small sprocket 51, a large sprocket 52 and a roller chain, wherein the small sprocket 51 is connected with an output shaft of the planetary reducer 4 through a flat key, the large sprocket 52 is connected with a lifting hook handle 63 of the rotating mechanism 6 through a flat key, and the roller chain is arranged on the large sprocket 52 and the small sprocket 51 to drive the small sprocket 51 and the large sprocket 52 to move.
Further, a sprocket guard 55 is provided on the outer side of the small sprocket 51, and a chain guard 54 is provided on the outer side of the sprocket chain mechanism 5, and the sprocket guard 55 and the chain guard 54 are connected to form an integral guard mechanism.
Further, a sprocket center distance adjusting mechanism 7 is arranged on the frame 2, the sprocket center distance adjusting mechanism 7 comprises a long hole 21 formed in the frame 2, the long hole 21 is internally connected with a sprocket adjusting mechanism 71 through an adjusting bolt 22, the sprocket adjusting mechanism 71 is an L-shaped mounting frame, the planetary reducer 4 is mounted on the L-shaped mounting frame, the sprocket adjusting mechanism 71 is mounted on the frame 2 through a fastening bolt 72, and the position of the sprocket adjusting mechanism 71 is adjusted through the screwing positions of the two adjusting bolts 22, so that the left and right positions of the planetary reducer 4 are adjusted, and the purpose of tensioning a chain is achieved.
The working principle of the utility model is as follows:
the lifting mechanism of the lifting appliance is connected with the pulley block 1, and the lifting appliance with the rotation of the utility model descends to a certain water level. During rotation, hydraulic oil is supplied to the hydraulic motor 3 through a hydraulic pipeline, the planetary reducer 4 is driven to rotate, a pinion in the planetary reducer 4 is driven to rotate, the large chain wheel 52 is driven to rotate through a roller chain, and therefore the hook handle 63 is rotated.
The hydraulic motor 3 and the planetary reducer 4 are adopted to drive the hook handle 63 to rotate through a chain wheel and a chain, so that the rotation of the hung article is realized.
The rotating mechanism 6 is provided with an upper sealing element and a lower sealing element, so that the bearing can be protected from water inflow during underwater operation, and the requirement of the underwater operation is met.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.
Claims (3)
1. The utility model provides a but rotatory hoist of operation under water which characterized in that: comprises a frame (2), wherein a pulley block (1), a planetary reducer (4) and a rotating mechanism (6) are arranged on the frame (2); the planetary speed reducer (4) is provided with a hydraulic motor (3), and the planetary speed reducer (4) is connected with the rotating mechanism (6) through a chain wheel and chain mechanism (5);
the rotating mechanism (6) comprises a thrust bearing (61) and a hook handle (63) assembled in the thrust bearing (61), and a hook nut (62) for connecting a lifting appliance is also arranged in the rotating mechanism; an upper sealing piece (64) is arranged on the outer side of the thrust bearing (61), and a lower sealing piece (65) is sleeved on the lower part of the lifting hook handle (63);
the chain wheel and chain mechanism (5) consists of a small chain wheel (51), a large chain wheel (52) and a roller chain, wherein the small chain wheel (51) is connected with an output shaft of the planetary reducer (4) through a flat key, the large chain wheel (52) is connected with a lifting hook handle (63) of the rotating mechanism (6) through the flat key, and the roller chain is arranged on the large chain wheel (52) and the small chain wheel (51) and drives the small chain wheel (51) and the large chain wheel (52) to move.
2. A rotatable lifting appliance for underwater operations as claimed in claim 1, wherein: a chain guard (55) is arranged on the outer side of the small chain wheel (51), a chain protection cover (54) is arranged on the outer side of the chain wheel and chain mechanism (5), and the chain guard (55) is connected with the chain protection cover (54).
3. A rotatable lifting appliance for underwater operations as claimed in claim 1, wherein: the novel planetary gear transmission device is characterized in that a chain wheel center distance adjusting mechanism (7) is arranged on the frame (2), the chain wheel center distance adjusting mechanism (7) comprises a long hole (21) formed in the frame (2), the long hole (21) is connected with a chain wheel adjusting mechanism (71) through an adjusting bolt (22), the chain wheel adjusting mechanism (71) is an L-shaped mounting frame, the planetary reducer (4) is mounted on the L-shaped mounting frame, and the chain wheel adjusting mechanism (71) is mounted on the frame (2) through a fastening bolt (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323314677.6U CN220449506U (en) | 2023-12-06 | 2023-12-06 | Rotary lifting appliance capable of operating underwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323314677.6U CN220449506U (en) | 2023-12-06 | 2023-12-06 | Rotary lifting appliance capable of operating underwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220449506U true CN220449506U (en) | 2024-02-06 |
Family
ID=89728838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323314677.6U Active CN220449506U (en) | 2023-12-06 | 2023-12-06 | Rotary lifting appliance capable of operating underwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220449506U (en) |
-
2023
- 2023-12-06 CN CN202323314677.6U patent/CN220449506U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220449506U (en) | Rotary lifting appliance capable of operating underwater | |
| CN211198365U (en) | Automatic unhooking device of crane | |
| CN210531632U (en) | Electric wafer type butterfly valve for automatic control system | |
| CN201433078Y (en) | Fork lift truck attachment rotator | |
| KR100823211B1 (en) | Floodgate winch | |
| CN100540250C (en) | The tensioning apparatus of rope saw | |
| CN208381212U (en) | spiral bevel gear speed reducer | |
| CN216253044U (en) | Water and soil conservation supervises law enforcement device | |
| CN206634911U (en) | A kind of anti-rock electronic rotation suspender | |
| CN213014427U (en) | Be applied to desilting grabbing device of ecological river course | |
| CN101672027B (en) | Portal crane | |
| CN214456295U (en) | Self-rotating lifting appliance capable of being used for underwater work | |
| CN202897892U (en) | Chain hoist | |
| CN201473190U (en) | Hanger of crane | |
| CN202098998U (en) | Metallurgy quenching crane | |
| CN2350609Y (en) | Opening and closing machine | |
| CN212076269U (en) | Reversing ratchet wheel for hand hoist | |
| CN205776067U (en) | A kind of anti-ripple of dynamical type energy dissipating carries | |
| CN220203866U (en) | Mine waste well leakage-proof well sealing structure | |
| CN212282603U (en) | Rotary positioning type deep well rescue device | |
| CN213805260U (en) | Small gate hoist | |
| CN220822820U (en) | Electrical multipoint linkage speed reducer | |
| CN211361346U (en) | Cutting rack convenient to maintenance | |
| CN213654308U (en) | Outer wall protection frame for assembly type structure | |
| CN211474839U (en) | Worm gear reducer capable of avoiding abrasion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |