A high-coaxiality sealing device and sealing method for a geophone
A technology of geophones and sealing devices, which is applied in the direction of seismic signal receivers, etc., can solve the problems of data resolution impact, can not be completely solved, and reduce the distortion of geophones, so as to reduce production costs, simple structure, and reduce distortion Effect
Active Publication Date: 2016-08-24
BEIJING HUAHANG RADIO MEASUREMENT & RES INST
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Problems solved by technology
[0005] However, the current method of reducing the distortion of the geophone cannot completely solve the problem
Residual distortion still has a large impact on the resolution of the data
Method used
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Embodiment Construction
[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0029] The first object and feature of the present invention is to propose a geophone sealing device, which can ensure that the components of the geophone are coaxial during the assembly process, thereby effectively reducing the distortion of the geophone.
[0030] According to the first object of the present invention, a kind of seismometer high coaxiality sealing device is provided: as figure 1 As shown, it mainly includes the lower module 1, the upper module 2, the positioning axis 3, and the transfer positioning module 4. These 4 modules are coaxial in the vertical direction (that is, the longitudinal axis is coaxial), and also include the guide post 5. In the vertical direction When external force F is applied to the top, ensure that the upper and lower modules are coaxial in motion. Preferably, at least two guide pillars 5 are ...
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The present invention comprises a kind of seismometer high coaxiality sealing device, the four parts of lower module, upper module, positioning shaft, transfer positioning module 4 of this device are coaxial in vertical direction (i.e. longitudinal axis coaxial), can be with The detector upper cover, lower cover, shell and other internal positioning structures are closely matched. It also includes a high coaxiality sealing method for the geophone, in which the upper module, the lower module and the transfer positioning module are coaxially connected by the sealing device to ensure that the lower cover of the geophone is coaxial with the shell after sealing, The coaxiality of the module, the lower module and the positioning shaft ensures that the upper cover of the geophone is coaxial with the sealing of the shell. The geophone of the present invention ensures that the spring-mass system consisting of the upper cover, the magnetic system composed of upper and lower magnetic shoes and magnetic steel, the coil frame with windings and the spring, the lower cover, and the shell are coaxial, thereby effectively reducing the cost of the geophone. distortion. The sealing device of the present invention is simple in structure, easy to use, reduces cost, and improves assembly efficiency.
Description
technical field [0001] The invention relates to a sealing device and a sealing method, in particular to a sealing device and a sealing method with high coaxiality of a geophone. The sealing device of the present invention is also suitable for other types of vibration sensors for detection or requires high coaxiality Assembly of other products. Background technique [0002] Seismic exploration is the most important method for geophysical exploration in petroleum, coal and other industries. The geophone is a receiving device for seismic signals, which converts seismic energy into electrical signals for output. Distortion is one of the most important technical parameters in geophones, affecting the accuracy and resolution of seismic acquisition data. High-resolution seismic exploration requires high-fidelity seismic acquisition equipment, and low distortion for geophones, so as to more truly reflect geological conditions. [0003] It is well known that the uniformity of the m...
Claims
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IPC IPC(8): G01V1/18
Inventor 张撼鹏张华伟冯磊
Owner BEIJING HUAHANG RADIO MEASUREMENT & RES INST