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Telescopic importing system and crane with same

A technology of cranes and traction mechanisms, applied to cranes and other directions, can solve problems such as excessively long beams, achieve the effect of shortening the extension length and reducing the distance from the center of rotation

Active Publication Date: 2012-01-25
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

but, figure 2 The structure shown just folds the platform on which people stand, and does not solve the problem of introducing too long beams

Method used

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  • Telescopic importing system and crane with same
  • Telescopic importing system and crane with same
  • Telescopic importing system and crane with same

Examples

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Embodiment Construction

[0035] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0036] Such as image 3 , Figure 4 with Figure 5 As shown, according to one aspect of the present invention, a telescopic introduction system is provided, including an introduction mechanism 10, including an introduction beam 11 and an introduction part 12 movably arranged on the introduction beam 11; a traction mechanism 20, including a winding part 23 and the traction rope 24 movably bypassing the winding part 23, the traction mechanism 20 also includes a pull rod part 22, one end of the pull rod part 22 is connected with the introduction beam 11, and the other end is connected with the lower support 40 of the crane; The introduction beam 11 is detachably connected to the lower support 40 ; the introduction system further includes: a support mechanism, including a support part 62 , and the support part 62 is arranged at the lower end of a horizontal ...

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Abstract

The invention provides a telescopic importing system and a crane with the same. The telescopic importing system provided by the invention comprises an importing mechanism, a traction mechanism and a supporting mechanism, wherein the importing mechanism comprising an importing transverse beam and an importing section movably arranged on the importing transverse beam; the importing transverse beam is detachably connected with a lower support seat; and the supporting mechanism comprises a supporting section which is arranged at the lower end of one horizontal end face of the importing transversebeam. The crane provided by the invention comprises the telescopic importing system. According to the telescopic importing system provided by the invention, a distance between the end part of the importing mechanism after importing is finished and a gyration centre is greatly reduced, a maximal elevation angle of a crane arm in a hoisting process is increased, a minimal gyration radius in the working process of a movable arm tower crane is reduced, a movable arm variable amplitude range is increased, a purpose of use convenience for hoisting operation is achieved, and the performances of the crane is improved. Furthermore, the telescopic importing system and the crane provided by the invention have good safety and stability, and easiness in operation.

Description

technical field [0001] The invention relates to the field of engineering machinery, and more specifically, to a retractable introduction system and a crane with the same. Background technique [0002] The tower crane needs to be lifted and introduced when increasing the height of the tower body. The introduction of the standard section requires a set of introduction system to complete. The introduction system is usually fixed on the tower body or the lower support. [0003] Such as figure 1 As shown, the introduction system is fixedly connected with the lower support 10' of the tower crane, and the introduction system generally includes an introduction beam 21', a tie rod 22' and a traction mechanism 23'. Due to the position of introduction and the needs of safe operation, the introduction beam 21 ' of the introduction system stretches out the distance L outside the tower body and must be long enough. However, the longer introduction beam is easy to interfere with the hois...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/62
Inventor 朱守寨戴苗陈宇
Owner ZOOMLION HEAVY IND CO LTD
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