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Construction machinery and its outrigger locking device

An outrigger locking and locking technology is used in transportation and packaging, vehicle maintenance, lifting vehicle accessories, etc. It can solve the problems of inconvenient operation, increased oil piping, and high risk, and achieves simple structure, reliable locking, low cost effect

Active Publication Date: 2019-03-15
SANY AUTOMOBILE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the mechanical outrigger locking device, when it is often installed at a higher position, the operator needs to climb up first, which is inconvenient and dangerous to operate; for the hydraulic outrigger locking device, the machining accuracy requirements High, and need to increase the oil piping, the cost is higher

Method used

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  • Construction machinery and its outrigger locking device
  • Construction machinery and its outrigger locking device
  • Construction machinery and its outrigger locking device

Examples

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Embodiment Construction

[0042] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0043] like Figure 1 to Figure 4A specific embodiment of the outrigger locking device shown includes a lock tongue 01, a spring 02, and a lock case 03. The lock case 03 is in the shape of a round tube, and one end is a closed part with two through holes 035 at intervals, and the other end is open. , a bolt installation hole 034 is provided, and the bolt 01 is installed in the lock casing 03 through the bolt installation hole 034 at one end of the opening of the lock casing 03; the bolt 01 includes a first section 011 and a second section 012, and the first section 011 The diameter is larger than the second section 012, the spring 02 is sleeved on the second section 012, the end of the second se...

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Abstract

The invention discloses an outrigger locking device which comprises a spring bolt, a spring and a lock shell, wherein the lock shell is of tubular shape; one end of the lock shell is arranged as a closed part with two through holes at an interval while the other end is an opening; the spring bolt is arranged in the lock shell through the opening end of the lock shell; the spring is sleeved on the spring bolt and is arranged in the lock shell; one end of the spring bolt penetrates through the two through holes; a pin shaft mounting hole is formed at one end of the spring bolt; a first pin shaft penetrates through the pin shaft mounting hole, is used for successively mounting a cam, a rocker arm and a torsion spring at one end of the spring bolt and is limited and fixed through a limiting rod and a first opening pin; the rocker arm is used for driving the cam to rotate; when the rocker arm is rotated and is in contact with the limiting rod and the torsion spring has a torsion angle, the outrigger locking device is under a locked state; when the torsion spring is reset and the rocker arm is rotated and separated from the limiting rod, the outrigger locking device is under an unlocked state. The outrigger locking device has the advantages of reliability in locking, convenience in operation, high safety factor and low cost. The invention also discloses the engineering machinery with the outrigger locking device.

Description

technical field [0001] The invention relates to the field of construction machinery, in particular to a locking device for outriggers and construction machinery including the locking device for outriggers. Background technique [0002] In order to ensure that the telescopic outriggers of construction vehicles such as concrete pump trucks are not thrown out due to sharp turns during their driving, each outrigger generally needs to be equipped with a locking device to lock the outriggers in the retracted position; in addition, When the construction vehicle is in working condition, in order to prevent the outriggers from retracting when they are supported and ensure the span of the outriggers, it is also necessary to effectively and reliably lock the outriggers in the extended position by using outrigger locking devices. The outrigger locking device requires reliable locking, simple structure, and easy operation. [0003] At present, most of the existing locking devices for ou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60S9/04
CPCB60S9/04
Inventor 张裕生
Owner SANY AUTOMOBILE MFG CO LTD
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