Plunger type epicenter controllable osillator

A plunger type and vibrator technology, which is applied in the field of petroleum seismic exploration equipment, can solve the problems of increased design and processing difficulty, lower vibrator fixed frequency, and large gland bearing, so as to reduce design and processing difficulty and reduce oil passage volume , Improve the effect of vibration performance

Inactive Publication Date: 2007-07-11
西安英诺瓦物探装备有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

As the vibration output of the vibrator increases, the pressure on the gland will also increase, making the design and processing more difficult
[0006] 2. The volume of the oil passage is large, which reduces the fixed frequency (resonant frequency) of the vibrator, which is not conducive to the improvement of the vibration performance of the vibrator

Method used

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  • Plunger type epicenter controllable osillator
  • Plunger type epicenter controllable osillator

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Experimental program
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Embodiment Construction

[0017] specific implementation

[0018] As shown in Figure 1, the working principle is basically different from the existing traditional vibrator in that the upper and lower plungers 5 replace the original pistons and are fixed, and the thrust generated by the hydraulic pressure acts on the plunger 5 and the hammer body 8 respectively. , no longer acting on the hammer body 8 through the transmission of the copper sleeve 2 as in the traditional vibrator.

[0019] This application is mainly made up of hammer body 8, plunger 5, gland 1 etc. The hammer body 8 is a rectangular steel block with two circular blind holes symmetrical up and down and the same axis in the center; the plunger 5 is cylindrical, as shown in Figure 1 after assembly, the hammer body 8 and the plunger 5 are combined to form Cylindrical working oil chamber, the hammer body 8 has a working oil passage, so that the working oil chamber communicates with the external control valve. Plunger 5 is fixed with other p...

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Abstract

The invention belongs to a petroleum seismic prospecting device, that is, a plunger type controllable seismic-source vibrator. The device comprises a gland bush1, a copper sheathing2, a top-chamber oil duct3, a top oil chamber4, a plunger5, a down oil chamber6, a down-chamber oil duct7, and a rammer8, wherein the rammer8 is fixed by the gland bush1, the rammer8 comprises the top oil chamber4 and the down oil chamber6 covered by the copper sheathing2, the top-chamber oil duct3 communicates with the top oil chamber4, the down oil chamber6 communicates with down-chamber oil duct7, and the plunger5 is arranged in the dead hole of rammer8. The oil duct capacity of the vibrator is reduced for improving vibratility of vibrator and the stress force of gland bush does not increase when the output force of vibrator is increased for reducing processing difficulty and improving manufacturability.

Description

technical field [0001] The invention relates to a petroleum seismic exploration equipment, in particular to a plunger type vibrator vibrator. Background technique [0002] At present, the vibrator vibrator is a traditional piston type, and its structure is shown in Figure 1. The traditional vibrator vibrator is mainly composed of a hammer body, a piston, a copper sleeve, a gland, a seal, and a fastener. The hammer body is a rectangular steel block with a circular through hole in the center; the piston and piston rod are cylindrical, the diameter of the piston is equal to the diameter of the round hole on the hammer body and larger than the diameter of the piston rod, and the piston rod has a reduced diameter; the copper sleeve is Hollow cylinder, the size of the end surface is equal to the area difference between the piston and the piston rod, and there are oil holes in the copper sleeve. After assembly, as shown in the figure above, the hammer body, the piston, its piston ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/133B06B1/18
Inventor 赵永林陶知非傅德莲
Owner 西安英诺瓦物探装备有限公司
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