CN118083824A - Multifunctional crane arm support structure - Google Patents
Multifunctional crane arm support structure Download PDFInfo
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- CN118083824A CN118083824A CN202410526971.3A CN202410526971A CN118083824A CN 118083824 A CN118083824 A CN 118083824A CN 202410526971 A CN202410526971 A CN 202410526971A CN 118083824 A CN118083824 A CN 118083824A
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- arm
- connecting hinge
- sliding rail
- hinge point
- auxiliary
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- 238000004904 shortening Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A multifunctional crane arm support structure belongs to the field of hoisting machinery and comprises a main arm, a sliding rail device, an auxiliary arm and a plurality of telescopic devices; the auxiliary arm and the super-lifting function are switched through the sliding rail device and the telescopic device, the super-lifting structure is simpler, and the cost of purchasing a machine by a customer is reduced. In addition, the two ways are convenient to replace, the disassembly and the assembly are rapid, the working time is saved, and the workload of operators is further reduced.
Description
Technical Field
The invention belongs to the field of hoisting machinery, and particularly relates to a multifunctional crane boom structure.
Background
A crane is a multi-action machine that vertically lifts and horizontally conveys weights within a certain range.
The boom, also called "boom", "main arm" or "main boom", is a telescopic load-bearing member in which the various sections of arms are sleeved together, typically consisting of several sections. When the device works, each section of arm except the basic arm can extend out to hoist the weight; after the work is completed, the sections of arms retract together.
And the auxiliary arm is a lattice type or box type mast structure formed by welding profile steel, pipes and plates, is arranged at the front end of the lifting arm and is used for increasing the arm length during working.
The super lifting device is a device which is arranged at the front end of a basic arm of a crane arm and is used for reducing the deformation of the crane arm so as to improve the lifting capacity.
When the crane works, the main bearing part for realizing the hoisting is a boom system, and the boom system is generally in a main boom and auxiliary boom structure in order to achieve a larger hoisting height; if a large lifting capacity is to be achieved, the boom system is generally a main boom + super-lift construction. For the arm support system with the super-lifting operation, the super-lifting structure is complex, the installation and the use are complicated, meanwhile, a customer needs to purchase the super-lifting structure independently, and the purchase cost is high.
Disclosure of Invention
The invention provides a multifunctional crane arm support structure capable of simultaneously having auxiliary arms and super-lifting functions, which simultaneously realizes two functions through one part, and has the advantages of simple arm support structure and low cost of a client purchasing machine.
A multifunctional crane arm support structure comprises a main arm, a sliding rail device, an auxiliary arm and a plurality of telescopic devices;
the main arm is provided with a main arm connecting hinge point, an arm head upper hinge point and a truss connecting hinge point;
the sliding rail device is fixedly arranged at one end, close to the arm head, of the main arm;
the auxiliary arm is provided with an auxiliary arm connecting hinge point, an arm head connecting hinge point and an auxiliary arm truss connecting hinge point;
the arm head connecting hinge point is connected with the sliding rail device;
The telescopic device is characterized in that two ends of the main body structure are respectively provided with a main arm connecting hinge point and an auxiliary arm connecting hinge point of the telescopic device, the main arm connecting hinge point of the telescopic device is hinged with the main arm connecting hinge point, and the auxiliary arm connecting hinge point of the telescopic device is hinged with the auxiliary arm connecting hinge point.
Further, the sliding rail device comprises a basic arm sliding rail device and a plurality of arm-saving sliding rail devices, wherein the basic arm sliding rail device comprises a left part and a right part, each part consists of a first sliding rail plate and a second sliding rail plate, sliding rail plate connecting hinge points are arranged on the first sliding rail plate and the second sliding rail plate, and the sliding rail plate connecting hinge points are matched with arm head connecting hinge points; each section of arm sliding rail device is groove-shaped and is arranged on the same plane and the same straight line with the basic arm sliding rail device.
Further, the arm head connecting hinge point is provided with a roller structure.
Furthermore, the expansion device adopts an oil cylinder or an air cylinder and the like to realize the function of extension or shortening.
The working principle and the working process of the invention are as follows:
the invention realizes the switching between the auxiliary arm and the super-lifting function through the sliding rail device and the telescopic device.
When the telescopic device is in a non-working state, the auxiliary arm is placed above the main arm, two ends of the telescopic device are respectively hinged with the main arm connecting hinge point and the auxiliary arm connecting hinge point, and the arm head connecting hinge point of the auxiliary arm is hinged with two sliding rail plate connecting hinge points of one side, close to the tail of the basic arm, of the sliding rail device.
When the super-lift function is used, the telescopic device stretches out outwards, the auxiliary arm turns upwards around the arm head connecting hinge point, when the auxiliary arm turns to the vertical direction, the two hinge points on the upper part of the auxiliary arm truss connecting hinge point are connected with the two sliding rail plate connecting hinge points on one side of the sliding rail device, which is close to the basic arm head, through the pin shaft, and at the moment, the auxiliary arm is erected, so that the super-lift function is realized.
When the auxiliary arm is used as an auxiliary arm function, the arm head connecting hinge point is opened and connected with the sliding rail plate, the telescopic device is retracted inwards, the auxiliary arm slides towards the arm head direction of the basic arm, when the telescopic device is retracted to the position that the arm head connecting hinge point is aligned with the hinge point at the upper part of the arm head of the basic arm, the arm head connecting hinge point of the auxiliary arm is connected with the hinge point at the upper part of the arm head of the main arm through a pin shaft, then the telescopic device extends outwards, after the auxiliary arm is turned over by 180 degrees, the four auxiliary arm truss connecting hinge points of the auxiliary arm are connected with the four truss connecting hinge points of the main arm through pin shafts, so that the auxiliary arm is installed and completed, and the auxiliary arm is used as the auxiliary arm function.
The invention has the beneficial effects that:
The invention realizes two functions of the auxiliary arm and the super-lifting through a set of structures, and the super-lifting structure is simpler, thereby reducing the cost of purchasing the machine by the customer. In addition, the two ways are convenient to replace, the disassembly and the assembly are rapid, the working time is saved, and the workload of operators is further reduced.
Drawings
Fig. 1 is an overall schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of a main arm structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a sliding rail device according to an embodiment of the invention.
Fig. 4 is a schematic view of the structure of a sub-arm according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a telescopic device according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a super-start function use state according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a use state of the auxiliary arm function according to an embodiment of the present invention.
FIG. 8 is a flowchart of the superlift and forearm function usage of an embodiment of the invention.
Fig. 9 is a schematic view showing a state that the telescopic device according to the embodiment of the present invention is retracted to a state that the auxiliary arm is connected with the main arm head.
Fig. 10 is an enlarged view of an arm head joint hinge point according to an embodiment of the present invention.
In the accompanying drawings: the main arm, the slide rail device 2, the auxiliary arm 3, the telescopic device 4, the main arm connecting hinge point 11, the arm head upper hinge point 12, the truss connecting hinge point 13, the basic arm slide rail device 21, the arm-saving slide rail device 22, the first slide rail plate 211, the second slide rail plate 212, the slide rail plate connecting hinge point 213, the auxiliary arm connecting hinge point 31, the arm head connecting hinge point 32, the auxiliary arm truss connecting hinge point 33, the roller structure 321, the telescopic device main arm connecting hinge point 41 and the telescopic device auxiliary arm connecting hinge point 42.
Detailed Description
Referring to fig. 1 to 10, an embodiment of the present invention is shown.
A multifunctional crane arm support structure is characterized in that: comprises a main arm 1, a sliding rail device 2, an auxiliary arm 3 and a telescopic device 4;
the main arm 1 is provided with a main arm connecting hinge point 11, an arm head upper hinge point 12 and a truss connecting hinge point 13;
the sliding rail device 2 is fixedly arranged at one end, close to the arm head, of the main arm 1;
the auxiliary arm 3 is provided with an auxiliary arm connecting hinge point 31, an arm head connecting hinge point 32 and an auxiliary arm truss connecting hinge point 33;
The arm head connecting hinge point 32 is connected with the sliding rail device 2; the arm head connecting hinge point 32 is provided with a roller structure 321.
The two ends of the main body structure of the telescopic device 4 are respectively provided with a main arm connecting hinge point 41 and an auxiliary arm connecting hinge point 42 of the telescopic device, the main arm connecting hinge point 41 of the telescopic device is hinged with the main arm connecting hinge point 11, and the auxiliary arm connecting hinge point 42 of the telescopic device is hinged with the auxiliary arm connecting hinge point 31.
The sliding rail device 2 comprises a basic arm sliding rail device 21 and four arm-saving sliding rail devices 22, wherein the basic arm sliding rail device 21 comprises a left part and a right part, each part consists of a first sliding rail plate 211 and a second sliding rail plate 212, sliding rail plate connecting hinge points 213 are arranged on the first sliding rail plate 211 and the second sliding rail plate 212, and the sliding rail plate connecting hinge points 213 are matched with the arm head connecting hinge points 32; each arm slide rail device 22 is in a groove shape and is arranged on the same plane and the same straight line with the basic arm slide rail device 21.
The telescopic device 4 adopts an oil cylinder to realize the function of extension or shortening.
The working principle and working process of the embodiment are as follows:
in the embodiment, the sliding rail device 2 and the telescopic device 4 are used for realizing the switching between the auxiliary arm function and the super-lifting function.
In the non-working state, the auxiliary arm 3 is placed above the main arm 1, two ends of the telescopic device 4 are respectively hinged with the main arm connecting hinge point 11 and the auxiliary arm connecting hinge point 31, and the arm head connecting hinge point 32 of the auxiliary arm 3 is hinged with two slide rail plate connecting hinge points 213 of the slide rail device 2, which are close to the tail side of the basic arm.
When the telescopic device is used as the super-lifting function, the telescopic device 4 extends outwards, the auxiliary arm 3 turns upwards around the arm head connecting hinge point 32, and when the telescopic device turns to the vertical direction, the two hinge points on the upper part of the auxiliary arm truss connecting hinge point 33 are connected with the two sliding rail plate connecting hinge points 213 of the sliding rail device 2, which are close to one side of the basic arm head, through the pin shafts, and at the moment, the auxiliary arm 3 is erected, so that the telescopic device is used as the super-lifting function.
When the telescopic device is used as a subsidiary arm function, the arm head connecting hinge point 32 and the sliding rail plate connecting hinge point 213 are opened, the telescopic device 4 is retracted inwards, the subsidiary arm 3 slides towards the direction of the arm head of the basic arm, when the telescopic device 4 is retracted to the position that the arm head connecting hinge point 32 is aligned with the arm head upper hinge point 12 of the basic arm, the arm head connecting hinge point 32 of the subsidiary arm 3 is connected with the arm head upper hinge point 12 of the main arm 1 through a pin shaft, then the telescopic device 4 extends outwards until the subsidiary arm 3 is turned 180 degrees, and four subsidiary arm truss connecting hinge points 33 of the subsidiary arm 3 are connected with four truss connecting hinge points 13 of the main arm 1 through pin shafts.
Claims (4)
1. A multifunctional crane arm support structure is characterized in that: comprises a main arm (1), a sliding rail device (2), an auxiliary arm (3) and a plurality of telescopic devices (4);
The main arm (1) is provided with a main arm connecting hinge point (11), an arm head upper hinge point (12) and a truss connecting hinge point (13);
The sliding rail device (2) is fixedly arranged at one end, close to the arm head, of the main arm (1);
the auxiliary arm (3) is provided with an auxiliary arm connecting hinge point (31), an arm head connecting hinge point (32) and an auxiliary arm truss connecting hinge point (33);
the arm head connecting hinge point (32) is connected with the sliding rail device (2);
the telescopic device (4) is characterized in that two ends of the main body structure are respectively provided with a main arm connecting hinge point (41) and an auxiliary arm connecting hinge point (42), the main arm connecting hinge point (41) of the telescopic device is hinged with the main arm connecting hinge point (11), and the auxiliary arm connecting hinge point (42) of the telescopic device is hinged with the auxiliary arm connecting hinge point (31).
2. The multi-functional crane boom structure according to claim 1, wherein: the sliding rail device (2) comprises a basic arm sliding rail device (21) and a plurality of arm-saving sliding rail devices (22), wherein the basic arm sliding rail device (21) comprises a left part and a right part, each part consists of a first sliding rail plate (211) and a second sliding rail plate (212), sliding rail plate connecting hinge points (213) are respectively arranged on the first sliding rail plate (211) and the second sliding rail plate (212), and the sliding rail plate connecting hinge points (213) are matched with arm head connecting hinge points (32); each arm sliding rail device (22) is in a groove shape and is arranged on the same plane and the same straight line with the basic arm sliding rail device (21).
3. The multi-functional crane boom structure according to claim 1, wherein: the arm head connecting hinge point (32) is provided with a roller structure (321).
4. The multi-functional crane boom structure according to claim 1, wherein: the expansion device (4) adopts an oil cylinder or an air cylinder and the like to realize the function of extension or shortening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410526971.3A CN118083824A (en) | 2024-04-29 | 2024-04-29 | Multifunctional crane arm support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410526971.3A CN118083824A (en) | 2024-04-29 | 2024-04-29 | Multifunctional crane arm support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118083824A true CN118083824A (en) | 2024-05-28 |
Family
ID=91165638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410526971.3A Pending CN118083824A (en) | 2024-04-29 | 2024-04-29 | Multifunctional crane arm support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118083824A (en) |
-
2024
- 2024-04-29 CN CN202410526971.3A patent/CN118083824A/en active Pending
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