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Outrigger connection locking device

A technology of locking device and connecting pin, applied in the direction of connection, transportation and packaging, vehicle cleaning equipment, etc., can solve the problem of difficulty in ensuring the working space, and achieve the effect of a solid connection state

Active Publication Date: 2016-08-31
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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  • Outrigger connection locking device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

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

[0042] The lifting truck 1 equipped with the outrigger connection locking device provided by the embodiment of the present invention, such as figure 1 As shown, a travelable vehicle 2 and a crane device 3 are also provided. As far as the vehicle 2 is concerned, it has a pair of left and right wheels at its front and rear, and it runs with an engine as a power source. It also has a carrier frame 4 extending in the front and rear directions and a Legs 7 on the front and rear ends of the carrier frame 4 . As far as the crane device 3 is concerned, it is provided with a turntable 5 arranged on the carrier frame 4, a work cabin 51 provided on the turntable 5 for running the vehicle 2 and operating the crane device 3, etc., and an opposite turntable. 5 can lift and can carry out telescoping boom 6.

[0043] The carrier frame 4 is connected to legs 7 at its front end and rear en...

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PUM

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Abstract

The invention provides a leg connection locking device, which can easily and safely restrict the action of the connecting pin connecting the leg and the carrier frame even if the connection of the leg and the carrier frame cannot ensure a working space. By extending the telescopic cylinder of the connection device provided on the side plate of the carrier frame, and inserting the rod pin and the pipe pin into the pin hole of the carrier frame provided on the side plate of the carrier frame and the lower part of the side plate of the leg In the outrigger pin hole, to connect the carrier frame and the outrigger. The connection lock device restricts the retraction of the extended telescopic cylinder, and the connection lock device can be operated by a lock operation lever provided at a position away from the connection lock device.

Description

technical field [0001] The present invention relates to an outrigger connection locking device for a crane device. The crane device has outriggers that are detachably installed on a carrier frame, and the boom is supported on the carrier frame. The outriggers are connected to the locking device. , the connection state between the carrier frame and the outrigger can be locked. Background technique [0002] In recent years, large-scale crane devices that are prohibited by laws and regulations from passing on roads have been continuously developed. For this kind of large-scale crane device that is prohibited from driving on the road, it needs to be disassembled into several parts and carried by a transport vehicle, and then assembled at the work site after the disassembled parts. [0003] Among the components of a crane device, for outriggers with a certain weight, it is conceivable to separate them from the carrier frame (crane device body) and load them on a trailer separate...

Claims

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Application Information

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