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Outrigger connection locking device

A locking device and connecting pin technology, which is applied in connection, transportation and packaging, vehicle cleaning equipment, etc., can solve problems such as difficult to ensure working space, and achieve the effect of a firm connection state

Active Publication Date: 2015-02-11
TADANO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is sometimes difficult to secure the required working space at the junction of the carrier frame and the outriggers

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0041] Below, refer to Figure 1 to Figure 8 The embodiments of the present invention will be described.

[0042] The lifting truck 1 provided with the outrigger connection locking device provided by the embodiment of the present invention, such as figure 1 As shown, a movable vehicle 2 and a crane device 3 are also provided. As for the vehicle 2, it has a pair of left and right wheels at multiple places at the front and rear, and it runs with an engine as a power source, and it also has a carrier frame 4 extending in the front-rear direction and installed at The legs 7 on the front end and the rear end of the carrier frame 4. As for the crane device 3, it has a turntable 5 installed on the carrier frame 4, a working cabin 51 installed on the turntable 5 for traveling operations of the vehicle 2 and working operations of the crane device 3, and a relative turntable. 5The boom can be raised and lowered and can be extended and contracted.

[0043] As for the carrier frame 4, the fr...

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Abstract

There is provided an outrigger connection locking device used in a crane apparatus (3) including a boom (6), a swivel base (5) that supports the boom (6) so as to be raised and lowered, a carrier frame (4) on which the swivel base (5) is mounted, and an outrigger (7) removably mounted to the carrier frame (4). The outrigger locking device includes: a connection pin (84, 85) that can be inserted into a carrier frame hole (44) formed in the carrier frame (4) and into an outrigger hole (73) formed in the outrigger (7); a telescopic cylinder (81) that performs a telescopic motion that allows the connection pin (84, 85) to move to a location in which the connection pin (84, 85) is inserted into the carrier frame hole (44) and the outrigger hole (73); a connection locking unit (9) that restricts the connection pin (84, 85) inserted into the carrier frame hole (44) and the outrigger hole (73) from moving; and a remote operation mechanism (10) for connection locking that can operate the connection locking unit (9).

Description

Technical field [0001] The invention relates to a leg connection and locking device for a crane device. The crane device is provided with a leg that is detachably mounted on a carrier frame, and the boom is supported on the carrier frame, and the locking device is connected through the leg , Can lock the connection state between the carrier frame and the legs. Background technique [0002] In recent years, large crane devices that are prohibited by laws and regulations from passing on highways have been continuously developed. For this kind of large crane device that is forbidden to travel on the highway, it needs to be broken down into several parts and transported by a handling vehicle, and then the broken parts are assembled at the work site. [0003] Among the components of the crane device, for the leg with a certain weight, it is thought of separating it from the carrier frame (the crane device body) and separately loading it on the trailer for transportation, and then the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/78
CPCB66C23/78B66C23/80B60S9/22B66C23/36B66C2700/00F16B2200/69
Inventor 请关炎子
Owner TADANO LTD
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