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Lattice structure, lattice structure coupling body, work machine, and connector

A technology for construction machinery and connectors, which is applied in cranes, transportation and packaging, etc., can solve the problems of increasing the weight of truss structures and increasing the number of processes for manufacturing truss structures.

Active Publication Date: 2020-12-18
KOBELCO CONSTR MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when the orthogonal pipes are additionally arranged on the basis of the plurality of inclined pipes in the truss structure, there are following problems: the weight of the truss structure will be increased, and the number of processes for manufacturing the truss structure will be reduced. Increase

Method used

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  • Lattice structure, lattice structure coupling body, work machine, and connector
  • Lattice structure, lattice structure coupling body, work machine, and connector
  • Lattice structure, lattice structure coupling body, work machine, and connector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0083] image 3 yes figure 2 The enlarged view of the part surrounded by the frame III in the middle shows the connector connecting body 100 constituting the truss structure connecting body 101 and the main pipe 50 and inclined pipe 60 connected to the connector connecting body 100 according to Embodiment 1 of the present invention. side view. Figure 4 is the composition image 3 A perspective view of the connector 70 and the mating connector 80 of the illustrated connector assembly 100 . Figure 5 yes means Figure 4 The shown perspective view is a state in which the connecting portion 71 of the connector 70 and the connecting portion 81 of the mating connector 80 are fitted to each other. Figure 6 is the composition image 3 It is a side view of the connector 70 and the mating connector 80 of the illustrated connector assembly 100 .

[0084] Such as Figure 3 ~ Figure 6 As shown, the connector 70 has a connector body portion 76 and a coupling portion 71 . The conne...

Deformed example 1

[0118] Figure 7 It is a side view showing the connector connection body 100 constituting the truss structure connection body 101 of Modification 1 of Embodiment 1, and the main pipe 50 and the inclined pipe 60 connected to the connector connection body 100 .

[0119] Figure 7 Modifications shown with image 3 The difference of the illustrated embodiment lies in the positions of the shaft centerlines C3 and C4, and the other structures are the same as image 3 The embodiments shown are the same, so only this difference will be explained below.

[0120] In this modification 1, the inclined pipe 60 connected to the inclined pipe connecting portion 73 of the connector 70 is connected to the image 3 Compared with the inclined pipe 60 in the illustrated embodiment, it is arranged at a position shifted in one direction in the axial direction of the main pipe 50 . Therefore, when the connector 70 is viewed from the axial direction of the connecting pin 90, the intersection poin...

Deformed example 2

[0126] Figure 8 It is a side view showing the connector connection body 100 constituting the truss structure connection body 101 of Modification 2 of Embodiment 1, and the main pipe 50 and the inclined pipe 60 connected to the connector connection body 100 .

[0127] Figure 8 Modification 2 shown with image 3 The difference of the illustrated embodiment lies in the positions of the shaft centerlines C3 and C4, and the other structures are the same as image 3 The embodiments shown are the same, so only this difference will be explained below.

[0128] In this modification 2, the inclined pipe 60 connected to the inclined pipe connecting portion 73 of the connector 70 is connected to the image 3 Compared with the inclined pipe 60 in the illustrated embodiment, it is arranged at a position offset to one side in the axial direction of the main pipe 50, and compared with Figure 7 Compared with the inclined pipe 60 in Modification 1 shown, it is arranged at a position shif...

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Abstract

A lattice structure (16C) which is mounted in a work machine is detachably coupled to a counterpart lattice structure (16B) that is adjacent to the lattice structure (16C). The lattice structure (16C)comprises a connector (70) to which the end of one main pipe (50) from among a plurality of main pipes is connected and to which the end of at least one inclined pipe (60) from among a plurality of inclined pipes is connected, the connector (70) being detachably coupled to the counterpart connector of the counterpart lattice structure.

Description

technical field [0001] The present invention relates to a connector used for a truss structure constituting a construction machine. Background technique [0002] Generally, the work undulating member equipped with a large-scale construction machine such as a large-scale crane adopts a light-weight but high-strength lattice structure (lattice structure). The elongated undulating member is composed of a plurality of truss structures detachably connected to each other for transportation. [0003] Patent Document 1 discloses a connectable assembled boom member for a crane. This boom member includes a plurality of truss structures connected to each other (referred to as "boom rod", "boom insert", and "boom top" in Patent Document 1). Each truss structure includes a plurality of main pipes (referred to as "chord" in Patent Document 1), and a plurality of inclined pipes (referred to as "truss members") and connectors provided on the main pipe. This connector is connected to a c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/62B66C23/26
CPCB66C23/70B66C23/286B66C23/26B66C2700/03
Inventor 百濟和文
Owner KOBELCO CONSTR MASCH CO LTD
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