Crane boom, manufacturing method thereof and crane
A technology of cranes and booms, which is applied in the field of cranes, can solve the problems of long time occupation of a large site, unfavorable mass production of crane booms, etc., and achieve the effect of shortening the occupation time
Active Publication Date: 2014-03-05
ZOOMLION HEAVY IND CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to provide a crane arm, which can solve the problem in the prior art that the production process of a single crane arm occupies a large space for too long, which is not conducive to mass production of the crane arm
Method used
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[0030] In order to further explain the technical means and functions adopted by the present invention to achieve the intended purpose of the invention, the specific embodiments, structures, features and functions of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0031] Please refer to Figure 4 , the crane boom of the embodiment of the present invention includes a boom body 20, a boom head 30 installed on one end of the boom body 20, and a boom tail (not shown in the figure) installed on the other end of the boom body 20 Shows).
[0032] Specifically, please also refer to Figure 4 and Figure 5 , the boom body 20 includes an upper cover 22 and a lower cover 24 fixedly connected with the upper cover 22 . The cross-section of the upper cover plate 22 is roughly n-shaped, and the cross-section of the lower cover plate 24 is roughly U-shaped, but not limited to this, the cross-sections of the u...
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The invention relates to a crane boom which comprises a boom main body and a boom head mounted on one end of the boom main body, wherein the boom main body comprises an upper cover plate and a lower cover plate fixedly connected with the upper cover plate; at one end, provided with the boom head, of the boom main body, the lower cover plate is extended forwards a distance relative to the upper cover plate along the length direction of the boom main body to form a mounting part; two step surfaces are formed on both sides of the top of the mounting part respectively; the boom head is formed into an integral structure before being mounted on the boom main body; two positioning plates are arranged on the boom head; the boom head is sleeved on the mounting part when being mounted on the boom main body; the two positioning plates abut against the two step surfaces respectively; the boom head and the boom main body are welded together. The crane boom has the advantages that the time during production in which a large space is occupied is short, and mass production is benefited. The invention also relates to a manufacturing method of the crane boom and a crane.
Description
technical field [0001] The invention relates to the technical field of cranes, and in particular to a crane boom, a method for manufacturing the crane boom and a crane. Background technique [0002] The crane jib is an important part of the crane and undertakes the work of lifting. like Figure 1 to Figure 2 As shown, the boom of a crane generally includes a boom body 100, a boom head 110 and a boom tail (not shown in the figure), and the boom body 100 in the prior art is usually welded by an upper cover plate 101 and a lower cover plate 102 Formed, one end of the boom head 110 is installed on the boom main body 100, and the end of the upper cover plate 101 and the end of the lower cover plate 102 are aligned with each other, as image 3 shown. The boom head 110 usually includes a plurality of structural components such as an upper sealing plate 111 and a lower sealing plate 112 , and the boom head 110 forms a box-shaped structure after being installed on the boom body 100...
Claims
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IPC IPC(8): B66C23/64
Inventor 陈惟王国军王志锋
Owner ZOOMLION HEAVY IND CO LTD