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Hoisting jib and hoist

A boom and crane technology, which is applied in the direction of cranes and the like, can solve the problems of the complex connection structure of the boom tip section and the poor versatility, and achieve the effects of increasing the maximum lifting capacity, improving the versatility and simple connection structure.

Inactive Publication Date: 2020-01-03
HUNAN ZOOMLION CONSTR HOISTING MASCH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention aims to propose a boom, the end boom section of the boom is connected to the tip section of the boom through a connecting piece, which solves the problems of complex connection structure and poor versatility of the tip section of the boom

Method used

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  • Hoisting jib and hoist
  • Hoisting jib and hoist
  • Hoisting jib and hoist

Examples

Experimental program
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Effect test

Embodiment approach

[0048] According to another embodiment of the present invention, one end of the first connecting block 31 is connected to one end of the second connecting block 32 by bolts, and one end of the first connecting block 31 is connected to the second connecting block 32 Corresponding screw holes are respectively provided at one end of each, and the bolts are installed in the screw holes, and the axial direction of the bolts is parallel to the extending direction of the end boom section 1 .

[0049] In order to increase the maximum bending moment that the arm tip section 2 can withstand, according to an embodiment of the present invention, the bottoms of the first connecting block 31 and the second connecting block 32 are respectively provided with reinforcing blocks 4, and the first The reinforcement blocks 4 of the first connection block 31 and the second connection block 32 are in surface contact with each other. Such an arrangement increases the contact area between the first co...

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Abstract

The invention relates to the technical field of handling equipment, and provides a hoisting jib which comprises a tail end arm knot and an arm spike knot. The hoisting jib further comprises connectingpieces, wherein the tail end arm knot is connected with the arm spike knot through the connecting pieces; the connecting pieces comprise a first connecting block and a second connecting block; the first connecting block is arranged on the tail end arm knot; the second connecting block is arranged on the arm spike knot; the end surface of one end of the second connecting block contacts the first connecting block; and the first connecting block is detachably connected with the second connecting block. According to the hoisting jib provided by the invention, through arranging the connecting pieces, the arm spike knot is detachably connected with the tail end arm knot through the connecting pieces, so that a connecting structure is simple, and the universality of the arm spike knot is improved. The end surface of one end of the second connecting block of the hoist arm is in surface contact with the first connecting block, so that the maximum hoisting weight of the arm spike knot is improved through surface contact.

Description

technical field [0001] The invention relates to the technical field of cranes, in particular to a boom and a crane. Background technique [0002] The jib is a two-way bent metal structure that supports the hoisting rope, the pick-up device or the luffing trolley, including the end jib section and the jib tip section connected to the end jib section. The function of the boom tip of the jib in the jib includes: mechanically limiting the trolley, turning the luffing wire rope through the pulley on the jib tip and installing and fixing the hoisting rope. [0003] In the prior art, the arm tip section includes a base, a fixed pulley, a tie rod and two diagonal rods. A connecting head is provided at the top where the pull rod and the two diagonal rods converge together, which is connected to the end of the upper chord of the jib through a pin shaft and a bolt. The two ends of the pedestal are also connected to the ends of the two lower chords of the boom through connecting pins ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/64B66C23/66
CPCB66C23/64B66C23/66
Inventor 谢江平
Owner HUNAN ZOOMLION CONSTR HOISTING MASCH CO LTD
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