CN-224216642-U - Electromagnetic ultrasonic high-temperature probe shell and electromagnetic ultrasonic high-temperature probe

CN224216642UCN 224216642 UCN224216642 UCN 224216642UCN-224216642-U

Abstract

The application discloses an electromagnetic ultrasonic high-temperature probe shell and an electromagnetic ultrasonic high-temperature probe, wherein the electromagnetic ultrasonic high-temperature probe shell comprises a main shell, a connecting rod and a high-temperature probe which are sequentially connected along the axial direction, one end of the connecting rod, which is close to the high-temperature probe, is sleeved with a thermal insulation sleeve in a clearance fit mode, the thermal insulation sleeve extends to the high-temperature probe in a clearance fit mode, a driving structure for driving the thermal insulation sleeve to move directionally and protrude a preset distance of the high-temperature probe in the axial direction is further arranged on the connecting rod, and scale marks are uniformly arranged on the driving structure along the axial direction of the connecting rod so as to display the protruding distance of the thermal insulation sleeve protruding the high-temperature probe, so that the distance of the thermal insulation sleeve protruding the high-temperature probe can be flexibly adjusted, different detection requirements can be met, and meanwhile, the adjusting precision is high, and the adjusting is convenient.

Inventors

ZHENG YADONG
ZHU GENGXIAN
KONG XIANGBAO
JIANG WEINAN
ZHOU FEI
Cai Tining
DOU ZHI

Assignees

山东锐智科电检测仪器有限公司

Dates

Publication Date: 20260508
Application Date: 20250723

Claims (10)

1. Electromagnetic ultrasonic high temperature probe casing, its characterized in that includes along the axial main casing, connecting rod and the high temperature probe that connect gradually, wherein the connecting rod is close to the one end of high temperature probe is equipped with thermal-insulated sleeve with clearance fit's mode cover, thermal-insulated sleeve extends to with clearance fit's mode high temperature probe department, wherein still be equipped with on the connecting rod and be used for the drive thermal-insulated sleeve directional movement and the axial protrusion the drive structure of high temperature probe preset distance, just the connecting rod is followed the axial is in drive structure department evenly is equipped with the scale mark, in order to can show thermal-insulated sleeve protrusion the protrusion distance of high temperature probe.
2. The electromagnetic ultrasonic high-temperature probe housing according to claim 1, wherein the main housing is fixedly connected with an adapter at an end portion close to the connecting rod, one end of the connecting rod is in threaded connection with the adapter, and the other end of the connecting rod is in threaded connection with the high-temperature probe.
3. The electromagnetic ultrasonic high-temperature probe shell according to claim 1, wherein a first limiting step is arranged at one end, close to the high-temperature probe, of the connecting rod, the driving structure comprises a nut and an elastic piece, the nut is sleeved on the connecting rod in a threaded fit mode and is close to the inner side of the first limiting step, the heat insulation sleeve is opposite to the nut, a second limiting step is arranged at the inner end of the heat insulation sleeve, the elastic piece is sleeved on the connecting rod, two ends of the elastic piece are respectively elastically abutted to the first limiting step and the second limiting step, and the scale mark edge is opposite to the nut.
4. The electromagnetic ultrasonic high temperature probe housing of claim 3, wherein the connecting rod is further provided with a stop on the inside of the nut, the stop being configured such that when the nut is screwed onto the stop, the heat insulating sleeve protrudes out of the high temperature probe and is adjacent to the end of the high temperature probe.
5. The electromagnetic ultrasonic high temperature probe housing of claim 4, wherein the stop is a stop pin or a stop screw.
6. The electromagnetic ultrasonic high temperature probe housing of claim 3, wherein the resilient member is a spring.
7. The electromagnetic ultrasonic high-temperature probe shell according to claim 3, wherein the first limiting step is an annular step or a plurality of first limiting bosses distributed at intervals, and the second limiting step is an annular step or a plurality of second limiting bosses distributed at intervals.
8. The electromagnetic ultrasonic high temperature probe housing according to claim 3, wherein the nut is provided with a temperature reducing boss along the circumferential direction at one side close to the heat insulating sleeve, and the nut is connected with the heat insulating sleeve through the temperature reducing boss.
9. The electromagnetic ultrasonic high-temperature probe shell according to claim 1, wherein two or three process grooves are uniformly formed in the outer surface of the high-temperature probe along the circumferential direction, the process grooves extend along the axial direction, and strip-shaped process blocks matched with the process grooves are arranged on the inner side of the heat-insulating sleeve.
10. Electromagnetic ultrasonic high-temperature probe, characterized by comprising an electromagnetic ultrasonic high-temperature probe shell as claimed in any one of claims 1 to 9, wherein a connecting plate is arranged in the main shell, a row bus is arranged on one side of the connecting plate and used for connecting row pins on an electromagnetic ultrasonic main machine, a high-temperature cable is connected to the other side of the connecting plate, and the high-temperature cable penetrates through the connecting rod internally and is connected with a probe transducer in the high-temperature probe.

Description

Electromagnetic ultrasonic high-temperature probe shell and electromagnetic ultrasonic high-temperature probe Technical Field The utility model relates to the technical field of high-temperature probe equipment, in particular to an electromagnetic ultrasonic high-temperature probe shell and an electromagnetic ultrasonic high-temperature probe. Background Electromagnetic ultrasound is a newly developed nondestructive testing technology, and can be applied to various testing occasions, wherein for certain objects to be tested at high temperature, the temperature of the objects can be above 300 ℃ and even up to 800 ℃, and an electromagnetic ultrasonic probe is easy to damage, so that the normal service life of the objects is influenced. In the prior art, there are some electromagnetic ultrasonic high-temperature probes, which are provided with high-temperature resistant isolating rings at the detection ends of the high-temperature probe shells, and in the detection process, the detection ends of the high-temperature probes and objects to be detected are separated by a certain distance through the high-temperature resistant isolating rings, so that the detection can be satisfied, and the high-temperature probes can be protected. However, one of the existing high temperature resistant isolating rings is fixedly arranged at the end part of the high temperature probe, which is difficult to flexibly meet different detection requirements, and the other is directly screwed at the end part of the high temperature probe in a threaded fit mode, so that the spacing distance between the high temperature probe and a target object to be detected can be adjusted, but the spacing distance is difficult to accurately adjust, the requirement on the skill of staff is high, and the use is inconvenient. Meanwhile, the existing two high-temperature isolation modes can not thoroughly isolate the probe and the object to be measured at high temperature, and the high temperature is easily and directly conducted to the probe part to cause damage. Disclosure of utility model The embodiment of the application provides an electromagnetic ultrasonic high-temperature probe shell and an electromagnetic ultrasonic high-temperature probe, which can flexibly adjust the distance of a thermal insulation sleeve protruding out of the high-temperature probe so as to meet different detection requirements, and have high adjustment precision and convenient adjustment. The first aspect of the embodiment of the application provides an electromagnetic ultrasonic high-temperature probe shell, which comprises a main shell, a connecting rod and a high-temperature probe, wherein the main shell, the connecting rod and the high-temperature probe are sequentially connected along the axial direction, one end of the connecting rod, which is close to the high-temperature probe, is sleeved with a thermal insulation sleeve in a clearance fit mode, the thermal insulation sleeve extends to the high-temperature probe in a clearance fit mode, a driving structure for driving the thermal insulation sleeve to move in an oriented mode and axially protrude out of the high-temperature probe by a preset distance is further arranged on the connecting rod, and graduation marks are uniformly arranged on the driving structure along the axial direction of the connecting rod so as to display the protruding distance of the thermal insulation sleeve protruding out of the high-temperature probe. In one possible implementation manner, the main housing is fixedly connected with an adapter at an end close to the connecting rod, one end of the connecting rod is in threaded connection with the adapter, and the other end of the connecting rod is in threaded connection with the high-temperature probe. In a possible implementation manner, the connecting rod is close to one end of the high-temperature probe and is provided with a first limit step, the driving structure comprises a nut and an elastic piece, the nut is sleeved on the connecting rod in a threaded fit mode and is close to the inner side of the first limit step, the heat insulation sleeve is opposite to the nut and is provided with a second limit step at the inner side end part, the elastic piece is sleeved on the connecting rod, two ends of the elastic piece are respectively elastically abutted to the first limit step and the second limit step, and the scale mark edge is opposite to the nut. In one possible implementation, the connecting rod is further provided with a limiting piece on the inner side of the nut, wherein the limiting piece is configured such that when the nut is screwed to the limiting piece, the thermal insulation sleeve protrudes out of the high-temperature probe and is close to the end of the high-temperature probe. In one possible implementation, the limiting member is a limiting pin or a limiting screw. In one possible implementation, the elastic member is a spring. In one possible implementation manner, the first