CN222556434U - A convenient installation marine crane boom structure - Google Patents
A convenient installation marine crane boom structure Download PDFInfo
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- CN222556434U CN222556434U CN202420631860.4U CN202420631860U CN222556434U CN 222556434 U CN222556434 U CN 222556434U CN 202420631860 U CN202420631860 U CN 202420631860U CN 222556434 U CN222556434 U CN 222556434U
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- arm
- telescopic rod
- hydraulic
- base
- telescopic
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- 238000009434 installation Methods 0.000 title claims description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a marine crane boom structure convenient to install, and relates to the technical field of crane booms. The hydraulic lifting device comprises a base, wherein a main arm and a first hydraulic telescopic rod are rotatably arranged at the top end of the base, a second hydraulic telescopic rod is rotatably arranged at the side end of the base, the main arm is rotatably connected with the first hydraulic telescopic rod, a first telescopic arm is rotatably arranged at the top end of the main arm, a second telescopic arm is slidably arranged on the first telescopic arm, the top end of the second hydraulic telescopic rod is rotatably connected with the first telescopic arm, a first hydraulic pump and a second hydraulic pump are fixedly arranged on the base, the output end of the first hydraulic pump is communicated with the input end of the first hydraulic telescopic rod, the output end of the second hydraulic pump is communicated with the input end of the second hydraulic telescopic rod, the occupied space of a lifting arm can be reduced, the gravity center can be lowered, and the crane and a ship body cannot be influenced by swinging of the lifting arm when wind waves are large.
Description
Technical Field
The utility model belongs to the technical field of crane booms, and particularly relates to a marine crane boom structure convenient to install.
Background
Marine cranes are self-contained devices and machines for loading and unloading cargo from ships, mainly boom devices, deck cranes and other loading and unloading machines. The marine crane is a special crane for carrying out transportation operation in an offshore environment and is mainly used for important tasks such as transportation and transfer of cargoes, offshore replenishment, throwing and recycling of underwater operation equipment and the like.
However, due to the fact that stability of some ships on the water surface is poor, great inconvenience is brought to hoisting of cargoes, particularly, due to the fact that the size of some small and medium-sized ships is small, when stormy waves are large, the ship body can shake greatly along with the change of the gravity center of the suspension arm easily, and great potential safety hazards are brought.
Accordingly, there is a need for an improved marine crane boom structure that overcomes the shortcomings and drawbacks of the prior art and provides for easy installation.
The present utility model has been made in view of this.
Disclosure of utility model
The technical problem to be solved by the present utility model is to overcome the disadvantages of the prior art and to provide a marine crane boom structure which overcomes or at least partially solves the above problems.
In order to solve the technical problems, the basic conception of the technical scheme adopted by the utility model is that the marine crane boom structure convenient to install comprises a base, a main arm and a first hydraulic telescopic rod are rotatably installed at the top end of the base, a second hydraulic telescopic rod is rotatably installed at the side end of the base, the main arm is rotatably connected with the first hydraulic telescopic rod, a first telescopic arm is rotatably installed at the top end of the main arm, a second telescopic arm is slidably installed on the first telescopic arm, the top end of the second hydraulic telescopic rod is rotatably connected with the first telescopic arm, a first hydraulic pump and a second hydraulic pump are fixedly installed on the base, the output end of the first hydraulic pump is communicated with the input end of the first hydraulic telescopic rod, and the output end of the second hydraulic pump is communicated with the input end of the second hydraulic telescopic rod.
In order to control the sliding of the second telescopic arm in the first telescopic arm, preferably, a rotating motor is fixedly installed in the second telescopic arm, a threaded disc is rotatably installed at the tail end of the second telescopic arm, the threaded disc is fixedly connected with the output end of the rotating motor, and a threaded groove matched with the threaded disc is formed in the first telescopic arm.
In order to support and fix the main arm when the main arm is not in use, preferably, the base is fixedly provided with a first support frame.
In order to support and fix the first telescopic arm when the first telescopic arm is not in use, further, a second support frame is fixedly arranged on the main arm.
For rotating the boom according to the use requirements, the base is preferably a swivel stand.
By adopting the technical scheme, the marine crane boom structure convenient to install has the advantages that the telescopic control main arm of the first hydraulic telescopic rod rotates on the base, the telescopic control first telescopic arm of the second hydraulic telescopic rod rotates on the main arm, the second telescopic arm slides on the first telescopic arm, the control device stretches and stretches when in use, the space occupied by the boom is reduced when not in use, the gravity center is lowered, and the crane and the ship body are not influenced by swing of the boom when storms are large.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
FIG. 1 is a schematic drawing of an extension of the present utility model;
FIG. 2 is a schematic view of a contracted configuration of the present utility model;
fig. 3 is a schematic view of the internal structure of the telescopic arm of the present utility model.
In the figure, 1, a base; 2, a main arm, 3, a first telescopic arm, 4, a second telescopic arm, 5, a first hydraulic telescopic rod, 6, a second hydraulic telescopic rod, 7, a first hydraulic pump, 8, a second hydraulic pump, 9, a first support frame, 10, a second support frame, 11, a rotating motor, 12 and a thread disc.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Examples:
Referring to fig. 1-3, a marine crane boom structure convenient to install, including base 1, main arm 2 and first hydraulic telescopic link 5 are installed in rotation on base 1 top, second hydraulic telescopic link 6 is installed in rotation of base 1's side, main arm 2 and first hydraulic telescopic link 5 rotate to be connected, first telescopic arm 3 is installed in rotation of main arm 2's top, slidable mounting has second telescopic arm 4 on the first telescopic arm 3, the top and the first telescopic arm 3 rotation of second hydraulic telescopic link 6 are connected, still fixed mounting has first hydraulic pump 7 and second hydraulic pump 8 on the base 1, the output and the first hydraulic telescopic link 5 input intercommunication of first hydraulic pump 7, the output and the input of second hydraulic telescopic link 6 of second hydraulic pump 8 communicate.
The second telescopic arm 4 is internally and fixedly provided with a rotating motor 11, the tail end of the second telescopic arm 4 is rotatably provided with a thread disc 12, the thread disc 12 is fixedly connected with the output end of the rotating motor 11, the first telescopic arm 3 is internally provided with a thread groove matched with the thread disc 12, the rotating motor 11 is used for controlling the thread disc 12 to rotate, the thread disc 12 is spirally rotated in the first telescopic arm 3 to advance and retreat, and therefore the second telescopic arm 4 is controlled to slide in the first telescopic arm 3.
The base 1 is fixedly provided with a first support frame 9, the main arm 2 is fixedly provided with a second support frame 10, when the device is folded and contracted, the main arm 2 is fixed on the first support frame 9, the first support frame 9 supports the main arm 2, the first telescopic arm 3 is fixed on the second support frame 10, and the second support frame 10 supports the first telescopic arm 3, so that the stability of the device when being folded and contracted is improved.
The base 1 is a rotating pedestal, and when the device is in use, the base 1 rotates, so that the boom also rotates to the target.
The utility model is applied to the technical field of crane suspension arms, hydraulic oil is conveyed into a first hydraulic telescopic rod 5 through a first hydraulic pump 7, the first hydraulic telescopic rod 5 is extended, the included angle between a main arm 2 and the top surface of a base 1 is increased, hydraulic oil is conveyed into a second hydraulic telescopic rod 6 through a second hydraulic pump 8, the second hydraulic telescopic rod 6 is extended, the included angle between the main arm 2 and the first telescopic rod 3 is increased, when the main arm 2 and the first telescopic rod 3 are extended to a preset position, a rotating motor 11 is started, a threaded disc 12 is rotated, the second telescopic rod 4 is controlled to slide out of the first telescopic rod 3, extension of the first telescopic rod 3 and the second telescopic rod 4 is achieved until the second telescopic rod 4 reaches a target position, the second telescopic rod 2, the first telescopic rod 3 and the second telescopic rod 4 are used for suspension arm work, the second hydraulic oil is reversely rotated through the rotating motor 11, the second telescopic rod 4 is slid into the first telescopic rod 3, the second hydraulic oil in the second hydraulic telescopic rod 6 is extracted, the second main arm 6 is contracted, the included angle between the first telescopic rod 2 and the first telescopic rod 3 is contracted, the first telescopic rod 2 and the first telescopic rod 5 is contracted, the included angle between the first telescopic rod 2 and the first telescopic rod 4 is contracted, and the first telescopic rod 5 is contracted, and the included angle between the first telescopic rod 2 and the first telescopic rod 4 is contracted, the first telescopic rod is contracted, and the included angle between the first telescopic rod and the main arm 5 is contracted, and the first telescopic rod is contracted, and the first telescopic arm 5 is contracted, and 5.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.
Claims (5)
1. The marine crane boom structure convenient to install is characterized by comprising a base (1), wherein a main arm (2) and a first hydraulic telescopic rod (5) are rotatably arranged at the top end of the base (1), a second hydraulic telescopic rod (6) is rotatably arranged at the side end of the base (1), the main arm (2) is rotatably connected with the first hydraulic telescopic rod (5), a first telescopic arm (3) is rotatably arranged at the top end of the main arm (2), a second telescopic arm (4) is slidably arranged on the first telescopic arm (3), a first hydraulic pump (7) and a second hydraulic pump (8) are fixedly arranged on the base (1), and the output end of the first hydraulic pump (7) is communicated with the input end of the first hydraulic telescopic rod (5) and the output end of the second hydraulic pump (8) is communicated with the input end of the second hydraulic telescopic rod (6).
2. The marine crane boom structure convenient to install according to claim 1, wherein a rotating motor (11) is fixedly installed in the second telescopic arm (4), a threaded disc (12) is rotatably installed at the tail end of the second telescopic arm (4), the threaded disc (12) is fixedly connected with the output end of the rotating motor (11), and a threaded groove matched with the threaded disc (12) is formed in the first telescopic arm (3).
3. The marine crane boom structure convenient to install according to claim 1, wherein the base (1) is fixedly provided with a first supporting frame (9).
4. A marine crane boom structure with easy installation as claimed in claim 3, wherein the main arm (2) is fixedly provided with a second support frame (10).
5. A marine crane boom structure for easy installation as claimed in claim 1, wherein the base (1) is a swivel stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420631860.4U CN222556434U (en) | 2024-03-29 | 2024-03-29 | A convenient installation marine crane boom structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420631860.4U CN222556434U (en) | 2024-03-29 | 2024-03-29 | A convenient installation marine crane boom structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222556434U true CN222556434U (en) | 2025-03-04 |
Family
ID=94749920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420631860.4U Active CN222556434U (en) | 2024-03-29 | 2024-03-29 | A convenient installation marine crane boom structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222556434U (en) |
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2024
- 2024-03-29 CN CN202420631860.4U patent/CN222556434U/en active Active
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