CN2427807Y

CN2427807Y - Automatic ultrasionic detector for sucker rod

Info

Publication number: CN2427807Y
Application number: CN992323045U
Authority: CN
Inventors: 刘延安; 何彬; 窦志强
Original assignee: Jinfeng Science & Technology Development Co Ltd Chengdu
Current assignee: Jinfeng Science & Technology Development Co Ltd Chengdu
Priority date: 1999-08-10
Filing date: 1999-08-10
Publication date: 2001-04-25
Anticipated expiration: 2009-08-10

Abstract

The utility model relates to an automatic ultrasonic detector for sucker rods, which is mainly used for the defect detection of the sucker rods and comprises a servo type probe holder 1, a water logging type focusing probe 2, a water intake pipeline 3, a balancing stand 4, a supporting point 5, a balance weight 6, etc., wherein the water logging probe 2 sends out pulse supersonic wave to detect the defects of the rod bodies after the sucker rods reach the detection position of the servo type probe holder 1, a defect detector magnifies the defect signal and alarms, and defect information is delivered to a microcomputer for processing. The automatic ultrasonic detector has the advantages of fast detection speed, high automation level, no radiation and no environmental pollution.

Description

The ultrasonic automatic detection device of sucker rod

The utility model is the ultrasonic automatic detection device of sucker rod, belongs to the Non-Destructive Testing field.Be used for the oil field sucker rod is carried out Non-Destructive Testing.The oil pipe factory that is particularly useful for each oil field detects and screens old pumping rod.

At present, each producing well in each oil field of China often has disconnected bar accident to take place, and economic loss is huge, influences crude production rate, increases cost for oil production.This device can carry out the full body of rod to fatigue crack that used old pumping rod produced, corrosion situation, material latent defect etc. and detect.

The purpose of utility model be to each oil field provide newly, the automatic detection device of old pumping rod.Accomplish to examine entirely before old pumping rod is gone into the well once more,, thereby improve oil-production efficiency, reduce cost for oil production so that reduce the generation of the disconnected bar accident of producing well as far as possible.

The utility model comprises servo type probe holder 1, immersion type line focus probe 2, inlet pipeline 3, balancing stand 4, the strong point 5, counterweight 6 etc.

The utility model is achieved in that sucker rod 7 arrives probe holder 1 position, and probe 2 is to sucker rod internal emission impulse type ultrasound wave.Surface or inner various defectives that this ultrasound wave runs into the body of rod all can produce flaw echo, and flaw echo is received by probe 2 and sends into post processing circuitry detection and warning.

The ultrasonic frequency that this device uses is 2.5MHZ, and trigger repetition rate is that 100HZ-10KHZ is adjustable, and detection speed is every (about 8 meters) about one minute.The sensing range of sucker rod is ∮ 13-∮ 28.

Outstanding advantage of the present utility model is: the defective recall rate height of sucker rod, and detection speed is fast, the automaticity height, to tested sucker rod and relevant device not damaged thereof, the great remanent magnetism that is safe from harm produces, and human body is penetrated without any the width of cloth, and environment is not produced any dirt

Fig. 1 is the work synoptic diagram of utility model device

Fig. 2 is a new detector structural representation in this device

Below in conjunction with accompanying drawing principle of work of the present utility model is described further:

The utility model mainly comprises: servo type probe holder 1, immersion type line focus 2 inlet pipelines 3 of popping one's head in, balancing stand 4, the strong point 5, counterweight 6 etc.After sucker rod is sent to the detection station, seven groups of servo type probe holders 1 close with the lotus root that sucker rod keeps good under the effect of lever principle, inlet pipeline 3 provides lotus root to share water, and immersion type line focus probe 2 emission ultrasound waves enter the sucker rod body of rod and carry out defects detection.Detected defect information is delivered to microcomputer and is carried out information processing by special software after defectoscope amplifies.

The instrument that the utility model adopted is JFY-2 ten channel defects detecting instrument; The probe that is adopted is the JFZ-3B dedicated probe.

Claims

The ultrasonic automatic detection device of a kind of sucker rod adopts the non-contact ultrasonic detection technique, comprises ultrasonic probe, defectoscope, probe holder, balancing stand, inlet pipeline, the strong point, counterweight, it is characterized in that the ultrasonic probe in the device is an immersion type line focus probe; Probe holder is a lever principle servo type probe holder; Immersion type line focus probe soaks among the housing that is embedded in probe holder and is installed on the center of housing; Servo type probe holder and counterweight are distributed in strong point both sides by balancing stand; The coupling water route is inserted below the probe holder housing; Ultrasonic probe links to each other with defectoscope by the Q9 coaxial cable; Line focus probe frequency of operation be 2.5MHZ, probe angle of inclination be 16 ° 42 ', the line focus focal length is that 30mm, wafer size are 8mm * 25mm.