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Adjustable hydraulic support leg device

A hydraulic outrigger and joint technology, applied in the direction of supporting devices, drilling equipment, earthwork drilling and mining, etc., can solve the problems of vehicle body deflection, high cost of hydraulic lock quality control, etc., to ensure stability, reduce production costs and maintenance costs, The effect of easy operation

Active Publication Date: 2012-11-07
ATLAS COPCO NANJING CONSTR & MINING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, hydraulic lock quality control costs are high
Moreover, when the internal leakage of the hydraulic lock is serious, the hydraulic cylinder is compressed, and the vehicle body is prone to deflection.

Method used

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  • Adjustable hydraulic support leg device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as Figure 1 to Figure 4 As shown, an adjustable hydraulic outrigger device according to an embodiment of the present invention includes an outer cylinder 1, an inner cylinder 2 and an oil cylinder, the oil cylinder includes a cylinder body 3 and a piston rod 4, and the outer cylinder 1 is covered with the inner cylinder 2 Outside the oil cylinder, the outer cylinder 1 is connected to the cylinder body 3, the lower end of the piston rod 4 is connected to the upper end of the inner cylinder 2, and the outer cylinder 1 is provided with at least one first pin hole (for clarity, the The first pin hole is not shown), the inner cylinder 2 is provided with at least one second pin hole 6 for matching with the first pin hole, and the first pin hole and the corresponding second pin hole 6 are pierced with holes for the inner Connector for connecting cylinder 2 and outer cylinder 1 together.

[0035] combine image 3 with Figure 4 , the outer tube 1 and the vehicle frame ...

Embodiment 2

[0043] The difference between this embodiment and the first embodiment is that the positions of the piston rod 4 of the oil cylinder and the cylinder body 3 are reversed, that is, the oil cylinder in the first embodiment is turned upside down, and the outer cylinder 1 can be jacked up or pulled down and locked. solid, so as to drive the frame up or down. In this embodiment, the outer cylinder is fixedly connected to the piston rod, the lower end of the cylinder body is connected to the upper end of the inner cylinder, and other structures are completely the same as in the first embodiment.

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Abstract

The invention discloses an adjustable hydraulic support leg device. The adjustable hydraulic support leg device comprises an outer barrel, an inner barrel and an oil cylinder, wherein the oil cylinder comprises a cylinder body and a piston rod; the lower end of the piston rod extends out of the cylinder body; the outer barrel is fixedly connected with the cylinder body; the lower end of the piston rod is connected with the upper end of the inner barrel; the outer barrel is covered outside the inner barrel and the oil cylinder; at least one first pin hole is formed in the outer barrel; a second pin hole which is matched with the first pin hole is formed in the inner barrel; and the first pin hole and the corresponding second pin hole are provided with a connecting piece for connecting the inner barrel and the outer barrel in a through manner. The adjustable hydraulic support leg device is only locked by a mechanical device when the piston rod drives the outer barrel to upwards extend to the needed working status, and the oil cylinder is free from vehicle body gravity, so that the requirements to a hydraulic lock can be reduced.

Description

technical field [0001] The invention relates to a support leg device, in particular to an adjustable hydraulic support leg device with mechanical self-locking used on a core drilling rig. Background technique [0002] Core drilling rigs are deep hole drilling equipment in the fields of geological prospecting, hydrological water wells, coal field geological exploration, oil and natural gas exploration and development. [0003] The core drilling rig needs to use outriggers to support the body when it is working. The traditional method is to use 4 hydraulic cylinders. The outer cylinders of the hydraulic cylinders are fixedly connected to the frame, and the body is lifted by the expansion and contraction of the piston rod. [0004] The traditional hydraulic cylinder support method, after adjusting the body to a certain position, relies on the two-way hydraulic lock to lock the hydraulic cylinder and bear the gravity to stabilize the body. In order to ensure the stability of the...

Claims

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Application Information

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IPC IPC(8): E21B15/00
Inventor 郭宁杨敏史俊龙
Owner ATLAS COPCO NANJING CONSTR & MINING EQUIP
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