CN212321517U

CN212321517U - Ultrasonic probe abrasionproof decreases device

Info

Publication number: CN212321517U
Application number: CN202020822129.1U
Authority: CN
Inventors: 管西全; 李�瑞; 孔冠宏; 苗德山
Original assignee: Shandong Yuanzhuo Testing Technology Co ltd
Current assignee: Shandong Yuanzhuo Testing Technology Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2021-01-08
Anticipated expiration: 2030-05-16

Abstract

The utility model relates to an ultrasonic probe abrasionproof decreases device, which comprises a supporting rack, the support frame is close to ground one end fixedly connected with centre gripping subassembly, the probe passes through the centre gripping unit mount on the device, centre gripping subassembly fixedly connected with application of force subassembly, application of force subassembly includes the screw thread post, the second horizontal pole is close to ground one end fixedly connected with electric putter, electric putter's flexible end and screw thread post threaded connection, the screw thread post is close to ground one and serves the first spring of fixedly connected with, screw thread post one end fixedly connected with U type is kept away from to first spring and is pressed from both sides, the U type is pressed from both sides and is contradict. The vertical rod of the support frame is vertically and fixedly connected with the clamping assembly, a user drives the probe to move by pushing the support frame, the probe generates a turning force due to the fact that the friction force received by the bottom rubber layer and the pulling force applied to the probe are not collinear, and the force application assembly is used for offsetting the component force of the turning force in the vertical direction. The utility model discloses it is even to have the rubber layer atress that makes the probe bottom, receives the little effect of wearing and tearing influence.

Description

Ultrasonic probe abrasionproof decreases device

Technical Field

The utility model belongs to the technical field of the technique of ultrasonic flaw detector and specifically relates to an ultrasonic transducer's abrasionproof decreases device is related to.

Background

An ultrasonic probe is a device that transmits and receives ultrasonic waves during ultrasonic testing. The performance of the probe directly influences the characteristics of ultrasonic waves and the detection performance of the ultrasonic waves, and the probe used in ultrasonic detection is a transducer which realizes the conversion of electric energy and sound energy by utilizing the piezoelectric effect of materials.

At present, utility model that bulletin number is CN208872706U discloses an ultrasonic transducer, including the equipment box, be provided with ultrasonic transducer on one side outer wall of equipment box, one side outer wall fixed connection of connecting piece and equipment box is passed through to ultrasonic transducer's one end, ultrasonic transducer's the other end is provided with the test piece, be provided with the protective housing on ultrasonic transducer's the outer wall.

The above prior art solutions have the following drawbacks: when the user directly used ultrasonic probe to detect the part that awaits measuring, need be on a parallel with by survey bevel pushing probe, be used for the shift probe, the pressure of perpendicular to detection face can produce frictional force, frictional force is located the contact surface of probe bottom to the effect point of probe, and thrust can't form the moment of couple with frictional force collineation, thereby lead to two power formation moments of couple, make the probe have the trend of the place ahead upset to the moving direction, make the different position pressure in probe bottom different, and then the wearing and tearing condition that leads to the different positions in bottom rubber layer is different, can lead to the rubber layer thickness inequality in the past in the long term, influence the detection precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ultrasonic transducer abrasionproof decreases device, it has the even characteristics of messenger's probe bottom rubber layer atress to prior art exists.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an ultrasonic transducer wear prevention device, includes the support frame, its characterized in that: the support frame is close to the centre gripping subassembly of ground one end fixedly connected with centre gripping probe, the centre gripping subassembly includes a diaphragm, the diaphragm is close to the perpendicular fixedly connected with riser of ground one end, the equal perpendicular fixedly connected with connecting plate of both sides wall that diaphragm one end was kept away from to the riser, and two connecting plates are first connecting plate and second connecting plate respectively, threaded connection has first locking bolt on the first connecting plate, first locking bolt passes first connecting plate, the diaphragm is kept away from the one end of erecting the version and is close to ground one side fixedly connected with application of force subassembly, application of force subassembly is exerted pulling force or pressure to probe rear one end.

Through adopting above-mentioned technical scheme, utilize lock nut on the first connecting plate with the probe centre gripping between first connecting plate and second connecting plate, the upper edge on probe bottom rubber layer is parallel with the lower limb of connecting plate, and the support frame drives the centre gripping subassembly and removes, and then drives the probe and removes, and because of the frictional force that receives ground and the produced upset power of the pulling force non-collineation that receives through the balanced probe of application of force subassembly, messenger probe bottom rubber layer atress is even.

The utility model discloses further set up to: the support frame includes a first horizontal pole, the equal perpendicular fixedly connected with montant in first horizontal pole both ends, two montants are first montant and second montant respectively, perpendicular fixedly connected with second horizontal pole between two montants, two montants are close to ground one end and have all seted up the flexible hole, install flexible subassembly in the flexible hole.

Through adopting above-mentioned technical scheme, make bracing piece structure more stable, can change the pressure that the diaphragm received through flexible subassembly, and then adjust the pressure that the probe bottom rubber layer received.

The utility model discloses further set up to: the telescopic assembly comprises a second spring, the second spring is installed in a telescopic hole, a telescopic rod is vertically and slidably connected in the telescopic hole, and one end of the second spring is fixedly connected with the upper end of the inner wall of the telescopic hole; the other end is fixedly connected with a telescopic rod, a connecting rod is vertically and fixedly connected between the telescopic rod and the vertical plate which are connected with the first vertical rod in a clamping mode, and a fixing rod is vertically and fixedly connected between the second transverse rod and the transverse plate. The vertical fixing connection between the first vertical rod and the vertical plate is provided with a connecting rod, and the vertical fixing connection between the second transverse rod and the transverse plate is provided with a fixing rod.

Through adopting above-mentioned technical scheme, the telescopic link is the same with the vertical sliding connection in flexible hole, guarantees that two flexible subassemblies's flexible volume is the same, guarantees that the pressure that the dead lever transmitted for the diaphragm is vertical ground face down.

The utility model discloses further set up to: the telescopic link is close to ground one end and is provided with the rolling subassembly, the rolling subassembly includes two gyro wheels for telescopic link pivoted, four the lower extreme of gyro wheel is in the coplanar.

Through adopting above-mentioned technical scheme, reduce the frictional force on support frame and the part surface that awaits measuring, make the removal of support frame more convenient.

The utility model discloses further set up to: the rolling assembly further comprises a fixed shaft, one end of the fixed shaft is coaxially and rotatably connected with the roller, and the other end of the fixed shaft is fixedly connected with the side wall of the telescopic rod.

Through adopting above-mentioned technical scheme, utilize the fixed axle to make the gyro wheel rotate for the shell, make the connection structure between rolling subassembly and the shell more stable.

The utility model discloses further set up to: the fixed axle includes one end and telescopic link fixed connection's primary shaft and one end and the coaxial pivoted swing axle of gyro wheel, the one end that the gyro wheel was kept away from to the swing axle is articulated with the one end of primary shaft, the articulated axis of primary shaft and swing axle is vertical setting.

By adopting the technical scheme, the swing shaft can swing relative to the first shaft, so that the roller is driven to swing, the roller has a certain steering space, and the probe can conveniently move in multiple directions.

The utility model discloses further set up to: the one end that the gyro wheel was kept away from to the oscillating axle extends and has limited plate, the arc hole has been seted up to the limited plate, fixed axle lateral wall fixedly connected with is rather than the vertically gag lever post, the gag lever post passes the arc hole.

Through adopting above-mentioned technical scheme, to the restriction in the rotation space of gyro wheel, avoid gyro wheel turned angle too big, make to remove too nimble to detect more accurate.

The utility model discloses further set up to: the force application component comprises a threaded column, the threaded column is arranged on the transverse plate in a penetrating mode and is far away from one end of the vertical plate, the threaded column is connected with the transverse plate in a sliding mode, the second transverse rod is close to an electric push rod connected with one end of the ground, the fixed end of the electric push rod is fixedly connected with the second transverse rod, the telescopic end of the electric push rod is connected with the threaded column in a threaded mode, the threaded column is close to a first spring fixedly connected with one end of the ground, the first spring is far away from a U-shaped clamp connected with one end of the threaded column, and a second locking bolt is connected to the side wall of.

Through adopting above-mentioned technical scheme, the application of force subassembly can exert pressure or pulling force to the probe, makes balanced upset power more accurate, has increased the precision of device, has promoted the performance of device.

The utility model discloses further set up to: the position that the one end that the diaphragm is close to the second connecting plate is close to first montant is fixedly connected with first distance sensor, the position that the one end that the diaphragm is close to the second connecting plate is close to the second montant is fixedly connected with second distance sensor.

Through adopting above-mentioned technical scheme, utilize first distance sensor to detect the diaphragm and be close to the distance of the lower surface of first montant one end to probe upper surface, utilize second distance sensor to detect the diaphragm and be close to the distance of the lower surface of second montant one end to probe upper surface to confirm whether the probe keeps the level, and then confirm whether the pressure of adjusting application of force subassembly.

The utility model discloses further set up to: the middle position of one end of the cross rod, which is far away from the ground, is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, convenient to use person removes ultrasonic probe abrasionproof and decreases the device, increases the travelling comfort that the device used, and reinforcing user's use is experienced.

To sum up, the utility model discloses a following beneficial technological effect:

1. the force application assembly balances the overturning force generated by the fact that the friction force of the ground and the tensile force are not collinear when the probe moves, so that the rubber layer at the bottom of the probe is uniformly stressed.

2. The bottom of the telescopic rod is provided with the roller, so that the friction force between the device and a workpiece to be detected is reduced when the device moves, and the use is more convenient;

3. the support frame is kept away from ground one end fixedly connected with handle, makes operating means more convenient, and reinforcing user's use is experienced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the overall structure of the present embodiment;

FIG. 3 is an enlarged partial view of portion A of FIG. 2;

fig. 4 is a schematic cross-sectional structure diagram of the present embodiment.

Reference numerals: 100. a support frame; 110. a first cross bar; 120. a first vertical bar; 130. a second vertical bar; 131. a telescopic hole; 140. fixing the rod; 150. a second cross bar; 200. a clamping assembly; 210. a transverse plate; 220. a vertical plate; 230. a first connecting plate; 240. a second connecting plate; 250. a first locking bolt; 300. a force application assembly; 310. a threaded post; 320. an electric push rod; 330. a first spring; 340. a U-shaped clamp; 350. a second locking bolt; 400. a telescoping assembly; 410. a second spring; 420. a telescopic rod; 430. a connecting rod; 500. a rolling component; 510. a roller; 520. a fixed shaft; 521. a first shaft; 522. a swing shaft; 530. a limiting plate; 540. an arc-shaped hole; 550. a limiting rod; 600. a first distance sensor; 700. a second distance sensor; 800. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an ultrasonic probe wear prevention device, as shown in fig. 1, including support frame 100, support frame 100 includes first horizontal pole 110, first vertical pole 120 and second vertical pole 130 of perpendicular fixedly connected with respectively in first horizontal pole 110 both ends, perpendicular fixedly connected with second horizontal pole 150 between first vertical pole 120 and the second vertical pole 130, second horizontal pole 150 is located the direction that first horizontal pole 110 is close to ground, the perpendicular fixedly connected with dead lever 140 in the decurrent one side in second horizontal pole 150 intermediate position, the perpendicular fixedly connected with of dead lever 140 lower extreme is used for the centre gripping subassembly 200 of centre gripping probe, centre gripping subassembly 200 is close to ground one end fixedly connected with application of force subassembly 300, application of force subassembly 300 is used for the moment of couple that balanced probe removal in-process frictional force and thrust produced. The first vertical rod 120 and the second vertical rod 130 are both clamped with a telescopic assembly 400 at one end close to the ground, and the telescopic assembly 400 is fixedly connected with a rolling assembly 500 at one end close to the ground.

As shown in fig. 1 and 2, the clamping assembly 200 includes a horizontal plate 210, a vertical plate 220 is vertically and fixedly connected to one end of the horizontal plate 210 close to the ground, two side walls of the vertical plate 220 far away from one end of the horizontal plate 210 are vertically and fixedly connected to connecting plates, and the vertical plate 220, the horizontal plate 210 and the two connecting plates are integrally formed. The two connecting plates are respectively a first connecting plate 230 and a second connecting plate 240, a first locking bolt 250 is connected to the first connecting plate 230 in a threaded manner, the first locking bolt 250 penetrates through the first connecting plate 230, and the probe is clamped between the first connecting plate 230 and the second connecting plate 240 through the first locking bolt 250. The connecting rod 430 is vertically and fixedly connected between the first vertical rod 120 and the vertical plate 220, and the clamping assembly 200 is driven to move by the connecting rod 430, so as to drive the probe to move. A handle 800 is fixedly connected to the middle position of one end of the first cross bar 110 far away from the ground. The operation of the user is convenient, the comfort of the device is improved, and the use experience of the user is enhanced.

As shown in fig. 2, the force application assembly 300 includes a threaded column 310, the threaded column 310 is inserted into the transverse plate 210 and is far away from one end of the vertical plate 220, the threaded column 310 is slidably connected with the transverse plate 210, the second transverse rod 150 is close to the ground, the one end of the electric push rod 320 is fixedly connected with the electric push rod 320, the fixed end of the electric push rod 320 is fixedly connected with the second transverse rod 150, the telescopic end of the electric push rod 320 is in threaded connection with the threaded column 310, the threaded column 310 is close to the ground, the first spring 330 is close to the ground, the one end of the threaded column 310 is fixedly connected with the U-shaped clamp 340, the side wall of the U-shaped clamp 340 is threadedly connected with a second locking bolt 350, the upper end of the probe is. The U-shaped clamp 340 is controlled to apply pressure or pulling force to the probe by the extension and contraction of the telescopic end of the electric push rod 320.

As shown in fig. 2, a first distance sensor 600 is fixedly connected to a position of one end of the horizontal plate 210 close to the second connecting plate 240 close to the first vertical rod 120, and a second distance sensor 700 is fixedly connected to a position of one end of the horizontal plate 210 close to the second connecting plate 240 close to the second vertical rod 130. Whether the probe is parallel to the object to be detected is determined by detecting the distance from the lower surface of the transverse plate 210 close to one end of the first vertical rod 120 to the upper surface of the probe by using the first distance sensor 600 and the distance from the lower surface of the transverse plate 210 close to one end of the second vertical rod 130 to the upper surface of the probe by using the second distance sensor 700, and then whether the pressure applied to the probe by the force application assembly 300 needs to be adjusted is determined.

As shown in fig. 3, the telescopic assembly 400 includes a telescopic rod 420, the first vertical rod 120 and the second vertical rod 130 are close to one end of the ground, and have all been provided with a telescopic hole 131, the telescopic rod 420 is connected with the telescopic hole 131 in a vertical sliding manner, the two telescopic holes 131 are internally provided with a second spring 410, the second spring 410 is arranged along the length direction of the first vertical rod 120 and the second vertical rod 130, one end of the second spring 410 is abutted against the top end of the inner wall of the telescopic hole 131, and the other end is abutted against the telescopic rod 420. Through the arrangement of the telescopic assembly 400, the pressure applied to the probe in the vertical direction can be adjusted.

As shown in fig. 4, there are two sets of rolling assemblies 500, the two sets of rolling assemblies 500 are respectively disposed at one end of the telescopic rod 420 close to the ground, each rolling assembly 500 includes two rollers 510, the two rollers 510 in the same set are coaxially disposed, a fixing shaft 520 coaxially penetrates through each roller 510, the fixing shaft 520 is rotatably connected to the rollers 510, and one end of the fixing shaft 520 far away from the rollers 510 is fixedly connected to the side wall of the telescopic rod 420. The fixed shaft 520 includes a first shaft 521 and a swing shaft 522, and one end of the swing shaft 522 is hinged to the first shaft 521, and the hinge axis thereof is vertically disposed. The roller 510 is rotatably connected to an end of the swing shaft 522 away from the first shaft 521, and an end of the first shaft 521 away from the swing shaft 522 is fixedly connected to a sidewall of the telescopic rod 420. The swing shaft 522 can swing relative to the first shaft 521, so as to drive the roller 510 to swing, so that the roller 510 has a certain steering space, and the probe can conveniently move in multiple directions. In order to prevent the swing angle of the swing shaft 522 from being too large, a limiting plate 530 is extended from one end of the swing shaft 522 far away from the roller 510, an arc-shaped hole 540 is formed in the limiting plate 530, and the arc-shaped hole 540 uses the axis of the rotating shaft of the swing shaft 522 as the center of a circle. One end of the first shaft 521 near the swinging shaft 522 is vertically and fixedly connected with a limiting rod 550, and the limiting rod 550 passes through the arc-shaped hole 540, so that the swinging space of the swinging shaft 522 is limited.

The implementation principle of the embodiment is as follows: when the ultrasonic probe is required to be used for detecting a workpiece, the probe is arranged between the first connecting plate 230 and the second connecting plate 240, and the probe is fixed through the first locking bolt 250, so that the upper edge line of the bottom rubber layer of the probe is parallel to the lower edge of the connecting plate. Fixedly connected with connecting rod 430 between the telescopic link 420 of joint and the riser 220 on the first montant 120, the user promotes support frame 100, and support frame 100 drives clamping component 200 and removes to drive the probe and remove, the probe bottom rubber layer receives the part surface that awaits measuring frictional force and the pulling force that receives is not collinear, thereby has produced a upset power, can lead to the rubber layer atress uneven. The second locking bolt 350 is screwed with the U-shaped clamp 340 and the side wall thereof, and the second locking bolt 350 abuts against the side wall of the probe to further fix the position of the probe. The U-shaped clamp 340 is controlled to apply pressure or pulling force to the probe by the extension and contraction of the telescopic end of the electric push rod 320. The application of pressure or tension to the probe is controlled by rotating the power push rod 320 in the force application assembly 300. The distance from the lower surface of the transverse plate 210 close to one end of the first vertical rod 120 to the upper surface of the probe is detected by the first distance sensor 600, and the distance from the lower surface of the transverse plate 210 close to one end of the second vertical rod 130 to the upper surface of the probe is detected by the second distance sensor 700, so that whether the probe is kept horizontal or not is determined, and whether the pressure of the force application assembly 300 is adjusted or not is determined. The second cross bar 150 is fixedly connected to the clamping assembly through the fixing bar 140, and the user can transmit pressure to the probe by pressing the first cross bar 110, and the size of the pressure can be adjusted by the telescopic assembly 400 on the vertical bar as required. The rolling assembly 500 is fixedly connected to the lower end of the telescopic rod 420, and the friction between the device and the surface of the part to be measured is reduced through the roller 510 in the rolling assembly 500. The end of the first cross bar 110 away from the ground is fixedly connected with a handle 800, which is convenient for the user to operate the device.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. An ultrasonic probe wear prevention device, includes support frame (100), its characterized in that: the utility model discloses a clamping assembly (200) that support frame (100) are close to ground one end fixedly connected with centre gripping probe, clamping assembly (200) include a diaphragm (210), diaphragm (210) are close to the perpendicular fixedly connected with riser (220) of ground one end, the equal perpendicular fixedly connected with connecting plate of both sides wall of diaphragm (210) one end is kept away from in riser (220), and two connecting plates are first connecting plate (230) and second connecting plate (240) respectively, threaded connection has first locking bolt (250) on first connecting plate (230), first locking bolt (250) pass first connecting plate (230), the one end that riser (220) were kept away from in diaphragm (210) is close to ground one side fixedly connected with application of force subassembly (300), pulling force or pressure are applyed to probe rear one end in application of force subassembly (300).

2. The ultrasonic probe wear prevention device of claim 1, wherein: the support frame (100) comprises a first cross rod (110), the equal perpendicular fixedly connected with montant in first cross rod (110) both ends, two montants are first montant (120) and second montant (130) respectively, perpendicular fixedly connected with second cross rod (150) between two montants (120, 130), perpendicular fixedly connected with dead lever (140) between second cross rod (150) and diaphragm (210), two montants are close to ground one end and have all seted up flexible hole (131), install flexible subassembly (400) in flexible hole (131).

3. The ultrasonic probe wear prevention device of claim 2, wherein: the telescopic assembly (400) comprises a second spring (410), the second spring (410) is installed in a telescopic hole (131), a telescopic rod (420) is vertically and slidably connected in the telescopic hole (131), and one end of the second spring (410) is fixedly connected with the upper end of the inner wall of the telescopic hole (131); the other end is fixedly connected with an expansion link (420), and a connecting rod (430) is vertically and fixedly connected between the first vertical rod (120) and the vertical plate (220).

4. The ultrasonic probe wear prevention device of claim 3, wherein: one end, close to the ground, of the telescopic rod (420) is provided with a rolling assembly (500), the rolling assembly (500) comprises two rolling wheels (510) rotating relative to the telescopic rod (420), and the lower ends of the four rolling wheels (510) are located in the same plane.

5. The ultrasonic probe wear prevention device of claim 4, wherein: the rolling assembly (500) further comprises a fixed shaft (520) with one end coaxially and rotatably connected with the roller (510), and the other end of the fixed shaft (520) is fixedly connected with the side wall of the telescopic rod (420).

6. The ultrasonic probe wear prevention device of claim 5, wherein: the fixed shaft (520) comprises a first shaft (521) and a swinging shaft (522), one end of the first shaft (521) is fixedly connected with the telescopic rod (420), one end of the swinging shaft (522) coaxially rotates with the roller (510), one end, far away from the roller (510), of the swinging shaft (522) is hinged to one end of the first shaft (521), and the hinged axis of the first shaft (521) and the swinging shaft (522) is vertically arranged.

7. The ultrasonic probe wear prevention device of claim 6, wherein: swing axle (522) keep away from the one end of gyro wheel (510) and extend limiting plate (530), arc hole (540) have been seted up to limiting plate (530), fixed axle (520) lateral wall fixedly connected with and its vertically gag lever post (550), gag lever post (550) passes arc hole (540).

8. The ultrasonic probe wear prevention device of claim 2, wherein: force application subassembly (300) includes screw thread post (310), riser (220) one end is worn to establish in diaphragm (210) by screw thread post (310), screw thread post (310) and diaphragm (210) sliding connection, second horizontal pole (150) are close to ground one end fixedly connected with electric putter (320), the stiff end and second horizontal pole (150) fixed connection of electric putter (320), the flexible end and screw thread post (310) threaded connection of electric putter (320), screw thread post (310) are close to ground one end and serve fixedly connected with first spring (330), screw thread post (310) one end fixedly connected with U type clamp (340) are kept away from in first spring (330), threaded connection has second locking bolt (350) on the lateral wall that U type clamp (340) held.

9. The ultrasonic probe wear prevention device of claim 1, wherein: the position that the one end that diaphragm (210) is close to second connecting plate (240) is close to first montant (120) is fixedly connected with first distance sensor (600), the position that the one end that diaphragm (210) is close to second connecting plate (240) is close to second montant (130) is fixedly connected with second distance sensor (700).

10. The ultrasonic probe wear prevention device of claim 8, wherein: the middle position of one end, far away from the ground, of the first cross rod (110) is fixedly connected with a handle (800).