Preloading device, construction machinery anti-overturning method and construction machinery
An anti-tipping and preloading technology, applied in transportation and packaging, vehicle maintenance, lifting vehicle accessories, etc., can solve problems such as foundation collapse, reaction force not meeting actual requirements, subsidence, etc.
Active Publication Date: 2022-03-29
ZOOMLION HEAVY IND CO LTD
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Problems solved by technology
However, in the actual operation on site, after the outriggers are opened and the boom is deployed, the load exerted on a single outrigger by the pump truck in different cloth areas will fluctuate correspondingly, such as the load increases, correspondingly, The pressure of the outriggers on the foundation will also fluctuate accordingly, for example, the pressure increases, and the foundation is prone to collapse or subsidence due to a sudden increase in external pressure, so that the reaction force provided by the outriggers to the pump truck cannot meet the actual requirements, thus Cause the pump truck to become unstable and overturn, resulting in loss of life and property
Method used
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[0029] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0030] refer to figure 1 , figure 2 and image 3 As shown in the structure, the preloading device provided by the present invention includes a connection seat 1 and a pressure block 2, the connection seat 1 includes a connection part for connecting the pressure applying device, and the pressure block 2 is connected to the connection seat 1 and is in the direction of pressure Arranged oppositely, wherein the pressure block 2 includes a pressure contact surface 3 away from the connection seat 1, the pressure block 2 includes a base block 4 and a plurality of adjustment blocks 5, and the plurality of adjustment blocks 5 are detachably arranged in the circumferen...
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The invention relates to the technical field of anti-tipping of construction machinery, and discloses a preloading device, a method for anti-tipping of construction machinery and construction machinery. The preloading device includes a connection seat and a pressure block, the connection seat includes a connection part for connecting the pressure applying device, the pressure block is connected to the connection seat and arranged opposite to the connection part in the pressure direction, wherein , the pressure block includes a pressure contact surface facing away from the connection seat, the pressure block includes a base block and a plurality of adjustment blocks, and the plurality of adjustment blocks are detachably arranged on the circumferential outer side of the base block to The area of the pressure contact surface is adjusted. After the preloading device is installed on a pressure device such as construction machinery, it can perform a pressure test on the ground before the pressure application device such as construction machinery is officially operated, thereby ensuring the operation safety of the pressure application device such as construction machinery and avoiding damage caused by ground depressions. Overturned.
Description
technical field [0001] The invention relates to the technical field of anti-overturning of construction machinery, in particular to a preloading device, a method for anti-overturning of construction machinery and an construction machinery. Background technique [0002] In actual operation, construction machinery such as concrete pump trucks tend to overturn due to weak foundations or ground subsidence. Because of the subsidence of the ground, the supporting reaction force provided by the foundation for the outriggers is not enough, or the outriggers need to provide greater supporting reaction force due to the change of the jib posture during the fabric distribution process, but the foundation may not be able to provide the support that meets the requirements of the pump truck. The reaction force caused the center of gravity of the pump truck to lose stability and the pump truck to overturn. Specifically, when the pump truck is working, after the position of its outriggers i...
Claims
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IPC IPC(8): B60S9/10
CPCB60S9/10
Inventor 刘小华吴德志田相玉吴瀚晖高荣芝
Owner ZOOMLION HEAVY IND CO LTD