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Ultra-high hydraulic double-acting mechanical locking oil cylinder

A mechanical locking, double-acting technology, applied in the direction of fluid pressure actuation device, etc., can solve the problems of uncontrollable speed, affecting the construction progress, slow return speed, etc., to achieve controllable speed, easy layout, and less overall height increase Effect

Inactive Publication Date: 2008-11-19
上海耐斯特液压设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the disadvantages of this cylinder are also obvious: relying on gravity return, its speed is uncontrollable
Especially after the load on the large-tonnage oil cylinder is removed, the return speed is quite slow, which affects the construction progress

Method used

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  • Ultra-high hydraulic double-acting mechanical locking oil cylinder

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Embodiment

[0015] As shown in Figure 1, it is a schematic structural diagram of an ultra-high hydraulic double-acting mechanical locking oil cylinder. The described ultra-high hydraulic double-acting mechanical locking oil cylinder consists of an oil cylinder barrel 1, a threaded piston rod inner cylinder barrel 2, a hollow Inner guide column 3, spherical top plate seat 4, lock nut 5, spherical top plate 6, spherical gasket 7, lower plug 8, upper plug 9, first oil inlet 10 and second oil inlet 11 .

[0016] The threaded piston rod inner cylinder 2 is installed in the oil cylinder 1, and the lock nut 5 is installed on the upper side of the threaded piston rod inner cylinder 2, and the first oil inlet 10 and the second oil inlet 10 are respectively arranged on both sides of the oil cylinder 1. The second oil inlet 11, the hollow inner guide post 3 is installed in the threaded piston rod inner cylinder 2, the oil cylinder cylinder 1, the threaded piston rod inner cylinder 2 and the hollow i...

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Abstract

The invention relates to an ultra-high hydraulic bifunctional mechanical locking oil cylinder, comprising an oil cylinder barrel, an internal cylinder barrel of a thread piston rod and a locknut. The internal cylinder barrel of the thread piston rod is arranged in the oil cylinder barrel, one side of the upper end of the oil cylinder barrel is provided with the locknut, and two sides of the oil cylinder barrel are respectively provided with a first oil inlet and a second oil inlet. The ultra-high hydraulic bifunctional mechanical locking oil cylinder is characterized in that a hollow internal guide column is arranged in the internal cylinder barrel of the thread piston rod; the oil cylinder barrel, the internal cylinder barrel of the thread piston rod and the hollow internal guide column are concentric shafts; two ends of the hollow internal guide column are respectively provided with an upper plug and a lower plug, the upper end of the internal cylinder barrel of the thread piston rod is provided with a spherical top tray saddle, a spherical top tray is arranged on the upper end of the spherical top tray saddle by a spherical gasket, and the first oil inlet is connected with an inner hole of the hollow internal guide column. The ultra-high hydraulic bifunctional mechanical locking oil cylinder can not only reserve the advantages of reliable locking of a monofunctional mechanical locking oil cylinder, but also avoid the disadvantages of uncontrolled backing velocity.

Description

technical field [0001] The invention relates to an ultra-high hydraulic double-acting mechanical locking oil cylinder, which can lift large components and belongs to the technical field of ultra-high hydraulic oil cylinders. Background technique [0002] The application of the ultra-high hydraulic cylinder with a working pressure of 70Mpa as a lifting tool has the advantages of scalable lifting capacity, flexible construction, and low cost-to-ton ratio, which makes the ultra-high hydraulic cylinder widely used in the lifting and positioning of large components. [0003] Ultra-high hydraulic cylinders are divided into double-acting cylinders and single-acting cylinders according to whether the piston rod of the cylinder relies on hydraulic pressure or gravity return. When the piston rod of the double-acting cylinder retracts, the side of the piston rod (with the rod cavity) is driven by oil, so the return speed of the double-acting cylinder is controllable and can withstand t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/20F15B15/14
Inventor 李磊成兴峰郁明亮
Owner 上海耐斯特液压设备有限公司
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