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Locking device for lifting platform

A locking device, a lifting technology, applied in the field of lifting platforms, to achieve the effect of saving adjustment time

Active Publication Date: 2015-08-26
SICHUAN HONGHUA PETROLEUM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the actual use process, it is found that it is necessary to repeatedly adjust the stroke of the lifter to achieve that the tooth top of the locking rack is opposite to the tooth groove of the lifting rack.

Method used

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  • Locking device for lifting platform
  • Locking device for lifting platform
  • Locking device for lifting platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] like figure 1 As shown, it is a schematic diagram of a locking device 100 of an elevating platform in a preferred embodiment. The locking device 100 of the lifting platform includes a pile leg 10 , a platform support 20 , a locking rack 30 , a first driver 40 , two wedge blocks 50 , two second drivers 60 and a swing cylinder 70 .

[0026] The pile leg 10 is used to support the platform support 20, and the pile leg 10 is provided with a lifting rack 11.

[0027] Two sliding slots 21 are provided on the platform bracket 20 . Two slide grooves 21 are arranged parallel to the pile legs 10, and the two slide grooves 21 are arranged at intervals on the same straight line.

[0028] The locking rack 30 is used to mesh with the lifting rack 11 , and the height of the platform support 20 can be adjusted by adjusting the position where the locking rack 30 meshes with the lifting rack 11 .

[0029] One end of the first driver 40 is connected to the locking rack 30 , and the othe...

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PUM

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Abstract

A locking device of a lifting platform comprises a platform support, a locking rack, a first driver, a pile leg, a lifting rack and an oscillating hydraulic cylinder, wherein the pile leg is used for supporting the platform support, the lifting rack is arranged on the pile leg, the first driver is used for driving the locking rack to move so that the locking rack can be engaged with or separated from the lifting rack, one end of the oscillating hydraulic cylinder is hinged onto a point A of the platform support, the other end of the oscillating hydraulic cylinder is hinged onto a point B of the locking rack, and when the height of the platform support is adjusted, an included angle a between a line segment AB and the pile leg is larger than or equal to 0 degree or smaller than or equal to 90 degrees. By means of adjusting oil pressure of a rodless cavity and a rod cavity of the oscillating hydraulic cylinder, vertical displacement of the locking rack can be accurately adjusted, and adjustment time is saved.

Description

technical field [0001] The invention relates to an elevating platform, in particular to a locking device for an elevating platform. Background technique [0002] The lifting platform is a mobile offshore engineering platform used for offshore energy exploration and exploration. This platform can be towed by a barge to work at a predetermined location. The main components of the lifting platform are the working platform, the legs supporting the platform, the power device for controlling the lifting of the working platform and the locking device after the working platform is positioned. When the working platform is adjusted to a suitable height, the locking device needs to be activated to lock the platform, and the platform is supported and locked by the locking device. [0003] The existing locking device includes a locking rack, a power element for pushing or driving the locking rack to engage or separate from the lifting rack on the leg, and a lifter for pushing the lockin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B17/06
Inventor 张廷忠高伟杜凤玲张文杰
Owner SICHUAN HONGHUA PETROLEUM EQUIP