CN213903416U - Ultrasonic detector - Google Patents

Abstract

The application relates to the field of ultrasonic detection, in particular to an ultrasonic detector which comprises a detector body and two rotating shafts which are rotatably connected to the back of the detector body and are coaxial, wherein the length direction of the rotating shafts is the same as that of the detector body; the ultrasonic detector also comprises a support rod fixedly sleeved on the rotating shaft; the detector body is also provided with a rotating mechanism for driving the two rotating shafts to rotate synchronously. This scheme has made things convenient for the operator to observe the detection data on the detector body greatly.

Description

Ultrasonic detector

Technical Field

The application relates to the field of ultrasonic detection, in particular to an ultrasonic detector.

Background

Ultrasonic non-destructive testing is a means of inspecting the surface and internal quality that cannot be visually inspected using ultrasonic waves without damaging the working state of the part or raw material.

The ultrasonic detection principle is that when the metal has defects such as air holes, cracks, layering and the like (the defects have gas), the ultrasonic waves are totally or partially reflected when being transmitted to the interface of the metal and the defects, the reflected ultrasonic waves are received by a probe, waveforms with different heights and certain intervals are displayed on a fluorescent screen of the instrument through the processing of a circuit in the instrument, and the depth, the position and the shape of the defects in a part can be judged according to the change characteristics of the waveforms.

When the ultrasonic detector is used, the detector body is mostly horizontally placed on a desktop, the back of the detector body is in contact with the desktop, an operator needs to get up to observe the detection data every time, and a great deal of inconvenience is brought to the use of the operator.

SUMMERY OF THE UTILITY MODEL

For the convenience of an operator observing detection data on the detector body, the application provides an ultrasonic detector.

The application provides an ultrasonic detector adopts following technical scheme:

an ultrasonic detector comprises a detector body and two rotating shafts which are rotatably connected to the back of the detector body and are coaxial, wherein the length direction of the rotating shafts is the same as that of the detector body; the ultrasonic detector also comprises a support rod fixedly sleeved on the rotating shaft; the detector body is also provided with a rotating mechanism for driving the two rotating shafts to rotate synchronously.

Through adopting above-mentioned technical scheme, the operator comes two pivots of synchronous revolution through slewing mechanism, and the bracing piece will take place to rotate and prop up the detector body along with the pivot that corresponds, and the front of detector body can take place to incline to made things convenient for the operator to observe the detection data on the detector body. In addition, an operator can freely adjust the inclination angle of the detector body according to the actual condition, and the flexibility of the ultrasonic detector in the using process is greatly improved.

Preferably, the rotating mechanism comprises a connecting shaft fixedly connected between the two rotating shafts, a worm wheel fixedly sleeved on the connecting shaft, and a worm rotatably connected to the detector body and meshed with the worm wheel.

Through adopting above-mentioned technical scheme, the operator rotates the worm, and under the combined action of worm and worm wheel, the connecting axle just can order about two synchronous and syntropy emergence rotations of pivot, and slewing mechanism's structural principle is succinct, and it is very convenient in the operation. In addition, the linkage structure of the worm gear and the worm has the functions of torque amplification and self locking, so that an operator can rotate the worm more smoothly, the operation of locking the positions of the two rotating shafts by the operator is omitted, and convenience is brought to the operation of the operator.

Preferably, a knob is fixedly sleeved on one end of the worm.

By adopting the technical scheme, the knob provides a good force application part for the operator to rotate the worm, and great convenience is brought to the operator to rotate the worm.

Preferably, the support rod comprises an outer rod with one end fixedly sleeved on the rotating shaft and an inner rod embedded in the outer rod in a sliding manner; the outer rod is in threaded connection with a bolt for tightly abutting against the side wall of the inner rod.

Through adopting above-mentioned technical scheme, the operator slidable interior pole comes the whole length of adjustment bracing piece, and the inclination of detector body will change along with the change of the whole length of bracing piece, and the inclination adjustment of detector body will be more nimble. After the inner rod slides to a proper position, an operator locks the position of the inner rod by tightening the bolt.

Preferably, a dial gauge for displaying the sliding-out distance of the inner rod is arranged on the side wall of the inner rod.

Through adopting above-mentioned technical scheme, the graduation apparatus provides the reference for the position of pole in the operator's adjustment, makes the roll-off distance that the pole was put in quick and accurate adjustment of operator ability, has effectively improved the efficiency and the precision of bracing piece length adjustment.

Preferably, one end of the support rod, which is far away from the rotating shaft, is sleeved with a rubber sleeve.

Through adopting above-mentioned technical scheme, the rubber sleeve can increase the coefficient of friction of bracing piece tip, makes the tip of bracing piece more difficult to take place to slide, is favorable to improving the stability of detector body.

Preferably, the side of the detector body is sleeved with a rubber strip used for limiting the detector body to slide.

Through adopting above-mentioned technical scheme, the frictional force between multiplicable detector body of rubber strip and the desktop makes the detector body more be difficult to take place to slide, is favorable to improving the stability of detector body.

Preferably, the back of the detector body is provided with two accommodating grooves for accommodating the supporting rod, the positions of the two accommodating grooves correspond to the positions of the two rotating shafts one by one, and the rotating shafts are rotatably connected in the corresponding accommodating grooves.

Through adopting above-mentioned technical scheme, accomodate the groove and can accomodate the bracing piece, not only can play better guard action to the bracing piece, also be convenient for simultaneously follow-up ultrasonic thickness gauge place and the transportation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the rotating shaft, the supporting rod and the rotating mechanism facilitates an operator to observe detection data on the detector body;

2. the arrangement of the outer rod, the inner rod and the bolt enables the inclination angle of the detector body to be adjusted more flexibly;

3. due to the arrangement of the dial gauge, the efficiency and the precision of adjusting the length of the supporting rod are effectively improved;

4. the rubber sleeve and the rubber strip are arranged, so that the stability of the detector body is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a detector body; 2. a rotating shaft; 3. a support bar; 31. an outer rod; 32. an inner rod; 4. a receiving groove; 5. a connecting shaft; 6. a worm gear; 7. a worm; 8. a knob; 9. a bolt; 10. a dial gauge; 11. a rubber sleeve; 12. a rubber strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1, an ultrasonic detector comprises a detector body 1 and two rotating shafts 2 rotatably connected to the back of the detector body 1, wherein the length directions of the two rotating shafts 2 are the same as the length direction of the detector body 1, and the central axes of the two rotating shafts 2 are overlapped; the ultrasonic detector also comprises a support rod 3 fixedly sleeved on the rotating shaft 2. Still set up two on the back of detector body 1 and be used for accomodating the groove 4 of accomodating of bracing piece 3, two length directions of accomodating groove 4 all are the same with the width direction of detector body 1, and two are accomodate groove 4 positions and two pivot 2 positions one-to-one, and pivot 2 rotates to be connected and is being accomodate the inslot 4 in the correspondence. When the detector body 1 works, an operator can screw out the support rod 3 in the accommodating groove 4, and the support rod 3 jacks up the detector body 1 and enables the detector body 1 and the desktop to keep a certain inclination angle, so that the operator can observe the detection numerical value on the front surface of the detector body 1 conveniently.

Referring to fig. 1 and 2, a connecting shaft 5 is fixedly connected between the two rotating shafts 2, a worm wheel 6 is fixedly sleeved on the side wall of the connecting shaft 5, a worm 7 meshed with the worm wheel 6 is rotatably connected to the detector body 1, and one end of the worm 7 extends out of the side wall of the detector body 1 and is fixedly sleeved with a knob 8. The connecting shaft 5, the worm wheel 6 and the worm 7 form a rotating mechanism for driving the two rotating shafts 2 to rotate synchronously. The operator passes through the rotatory worm 7 of knob 8, and under the combined action of worm 7 and worm wheel 6, connecting axle 5 just can drive two pivot 2 synchronous rotations, and pivot 2 drives corresponding bracing piece 3 again and takes place rotatoryly to the inclination to detector body 1 has adjusted, makes the operator can observe the detection numerical value on the detector body 1 is positive more clearly.

Referring to fig. 1, the support rod 3 includes an outer rod 31 with one end fixedly sleeved on the rotating shaft 2 and a cross section in a square ring shape, and an inner rod 32 embedded in the outer rod 31 in a sliding manner and attached to the inner side wall of the outer rod 31, the end of the inner rod 32 far away from the outer rod 31 is used for abutting against the table top, the end of the outer rod 31 far away from the rotating shaft 2 is provided with a bolt 9 in a threaded connection manner, and the bolt 9 is used for abutting against the side wall of the inner rod 32. The position of the operator sliding the inner rod 32 can also realize the inclination adjustment of the detector body 1, and when the inner rod 32 is adjusted to a proper position, the operator tightens the bolt 9 to lock the position of the inner rod 32. To re-slide the inner rod 32, the operator unscrews the bolt 9. In order to enable an operator to quickly and accurately adjust the position of the inner rod 32, a scale 10 for displaying the sliding-out distance of the inner rod 32 is further provided on the side wall of the inner rod 32.

The fixed cover in one end of interior pole 32 butt desktop is equipped with rubber sleeve 11, and the fixed cover of fixed cover is equipped with rubber strip 12 on the lower side edge of detector body 1 butt desktop. The rubber sleeve 11 can increase the friction force between the end of the inner rod 32 and the desktop, and the rubber strip 12 can increase the friction force between the detector body 1 and the desktop, so that the stability of the whole ultrasonic detector in the using process is improved.

The implementation principle of the embodiment is as follows: when the detector body 1 works, an operator can rotate the worm 7 through the knob 8, under the linkage action of the worm 7 and the worm wheel 6, the connecting shaft 5 can drive the two rotating shafts 2 to synchronously rotate, the rotating shafts 2 drive the corresponding supporting rods 3 to rotate, the supporting rods 3 jack up the detector body 1 and enable the detector body 1 to keep a certain inclination angle with a desktop, and the operator can clearly observe the detection numerical value on the front surface of the detector body 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. An ultrasonic testing apparatus, characterized in that: the detector comprises a detector body (1) and two rotating shafts (2) which are rotatably connected to the back of the detector body (1) and are coaxial, wherein the length direction of the rotating shafts (2) is the same as that of the detector body (1); the ultrasonic detector also comprises a support rod (3) fixedly sleeved on the rotating shaft (2); the detector body (1) is also provided with a rotating mechanism for driving the two rotating shafts (2) to synchronously rotate.

2. An ultrasonic testing apparatus according to claim 1, wherein: the rotating mechanism comprises a connecting shaft (5) fixedly connected between the two rotating shafts (2), a worm wheel (6) fixedly sleeved on the connecting shaft (5), and a worm (7) rotatably connected to the detector body (1) and meshed with the worm wheel (6).

3. An ultrasonic testing apparatus according to claim 2, wherein: and a knob (8) is fixedly sleeved at one end of the worm (7).

4. An ultrasonic testing apparatus according to claim 1, wherein: the support rod (3) comprises an outer rod (31) and an inner rod (32), one end of the outer rod (31) is fixedly sleeved on the rotating shaft (2), and the inner rod is embedded in the outer rod (31) in a sliding mode; the outer rod (31) is in threaded connection with a bolt (9) used for tightly abutting against the side wall of the inner rod (32).

5. An ultrasonic testing apparatus according to claim 4, wherein: and a dial gauge (10) for displaying the sliding-out distance of the inner rod (32) is arranged on the side wall of the inner rod (32).

6. An ultrasonic testing apparatus according to claim 1, wherein: one end of the support rod (3) far away from the rotating shaft (2) is sleeved with a rubber sleeve (11).

7. An ultrasonic testing apparatus according to claim 1, wherein: the side edge of the detector body (1) is sleeved with a rubber strip (12) used for limiting the detector body (1) to slide.

8. An ultrasonic testing apparatus according to claim 1, wherein: the back of the detector body (1) is provided with two accommodating grooves (4) for accommodating the supporting rod (3), the positions of the two accommodating grooves (4) correspond to the positions of the two rotating shafts (2) one by one, and the rotating shafts (2) are rotatably connected in the corresponding accommodating grooves (4).

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