CN210293140U

CN210293140U - Ultrasonic thickness gauge

Info

Publication number: CN210293140U
Application number: CN201921241844.XU
Authority: CN
Inventors: 屈晓波; 赵浩
Original assignee: Sichuan Yongzhi Civil Air Defense Equipment Testing Co Ltd
Current assignee: Sichuan Yongzhi Civil Air Defense Equipment Testing Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-10
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to an ultrasonic thickness gauge belongs to ultrasonic detection equipment technical field, including casing and test probe, the casing lateral wall is provided with and is hollow storage cylinder, is provided with the telescopic link in the storage cylinder, and the telescopic link comprises sill bar, ejector pin and many slide bars, and the slide bar is sliding connection in proper order between sill bar and ejector pin, is provided with the anticreep spare that is used for preventing the telescopic link from dropping in the storage cylinder on the storage cylinder, is provided with on the test probe to be used for fixing the mounting on the telescopic link with test probe. When needs were examined internal barrel thickness, the telescopic link that adjusts anticreep piece was taken out in the receiver, adjusted the mounting on the test probe, made test probe fixed to the telescopic link on, slide through adjusting the slide bar this moment to make the telescopic link adjust to required length, the probe alright this moment was measured the thickness of internal barrel. Because the telescopic link is scalable, alright measure the wall thickness of the different degree of depth positions of internal barrel, simple and convenient.

Description

Ultrasonic thickness gauge

Technical Field

The utility model belongs to the technical field of ultrasonic detection equipment technique and specifically relates to an ultrasonic thickness gauge is related to.

Background

The ultrasonic thickness gauge is used for measuring the thickness according to the ultrasonic pulse reflection principle, when an ultrasonic pulse transmitted by a probe reaches a material interface through a measured object, the pulse is reflected back to the probe, and the thickness of the measured material is determined by accurately measuring the propagation time of the ultrasonic wave in the material.

The barrel equipment used in the industrial production process is mostly provided with a double-cavity structure, and in the use process of the equipment with the double-cavity structure, the thickness of the inner barrel wall of the double-cavity equipment needs to be regularly detected in order to ensure the use safety of the equipment. Adopt instruments such as ultrasonic thickness gauge to detect the section of thick bamboo wall thickness of inner chamber in process of production, ultrasonic detector comprises probe and display, and probe and display pass through the dedicated line and connect, need paste the tight section of thick bamboo wall that awaits measuring with the probe during detection and can measure the section of thick bamboo wall thickness, but the equipment barrel of industrial use mostly is the degree of depth big, the less structure of opening, when detecting, middle part and the bottom region of the handheld ultrasonic thickness gauge test probe of operating personnel can not detect the barrel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ultrasonic thickness gauge has the advantage of conveniently detecting the interior barrel thickness of two-chamber body equipment.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an ultrasonic thickness gauge, includes casing and test probe, and the casing lateral wall is provided with and is hollow storage cylinder, is provided with the telescopic link in the storage cylinder, and the telescopic link comprises sill bar, ejector pin and many slide bars, and the slide bar is sliding connection in proper order between sill bar and ejector pin, is provided with the anticreep spare that is used for preventing the telescopic link from dropping in the storage cylinder on the storage cylinder, is provided with the mounting that is used for fixing test probe to on the telescopic link on the test probe.

Through adopting above-mentioned technical scheme, when needs examine internal barrel thickness, adjust the telescopic link that anticreep piece is and take out in the receiver, adjust the mounting on the test probe for test probe is fixed to the telescopic link on, slide through adjusting the slide bar this moment, so that the telescopic link is adjusted to required length, and probe alright this moment measures the thickness of internal barrel. Because the telescopic link is scalable, alright measure the wall thickness of the different degree of depth positions of internal barrel, simple and convenient.

The utility model discloses further set up to: one end of the sliding rod is provided with a bean jumping spring, and the other end of the sliding rod is provided with a through hole for clamping the bean jumping spring.

Through adopting above-mentioned technical scheme, jumping beans spring joint can prevent in the through-hole that the phenomenon of sliding rod in the use carelessly appears, further improves the result of use of telescopic link. When needs are accomodate the telescopic link, operating personnel exert oneself alright break away from the spring of jumping beans in the through-hole slightly, and is simple and convenient.

The utility model discloses further set up to: the mounting is including setting up the screw thread piece on the test probe diapire, and the tip that the ejector pin is kept away from the sill bar is provided with the first screw hole with screw thread piece complex.

Through adopting above-mentioned technical scheme, when barrel thickness in needs use test probe to detect, with the screw thread piece precession first threaded hole to on being fixed to the ejector pin with test probe, when need not use the telescopic link, with the screw thread piece in first threaded hole break away from can, simple and convenient.

The utility model discloses further set up to: the anticreep piece is including setting up the extension board on the storage barrel outer wall, and the extension board is located and is close to the storage barrel opening side, wears to establish and threaded connection has the bolt on the extension board, and the one end that the ejector pin was kept away from to the sill bar is provided with the fixed plate, offers the second screw hole that is used for supplying bolt threaded connection on the fixed plate.

Through adopting above-mentioned technical scheme, when needs accomodate the telescopic link in the storage cylinder, with the bolt precession second screw hole for on the fixed plate passes through bolt fastening to the storage cylinder, when needs use the telescopic link, with the bolt break away from the second screw hole can, the operation is swift.

The utility model discloses further set up to: the inner wall of the containing cylinder is provided with a sealing gasket along the circumferential position of the inner wall, and the sealing gasket is arranged close to the opening side of the containing cylinder.

Through adopting above-mentioned technical scheme, sealed the leakproofness that can strengthen between sill bar and the storage cylinder of filling up, prevent in dust or other impurity entering storage cylinder.

The utility model discloses further set up to: the shell is provided with a wrist fixing band.

Through adopting above-mentioned technical scheme, the wrist fixed band can be fixed the calibrator on the wrist, need not operating personnel one hand at this moment and holds the calibrator, and the measuring probe is adjusted to one hand, makes things convenient for operating personnel to use when detecting.

The utility model discloses further set up to: the containing barrels are two, and telescopic rods are arranged in the two containing barrels.

Through adopting above-mentioned technical scheme, when the length of a telescopic link is not enough, can merge the telescopic link in two receivers and use together, align the fixed plate on the tip of sill bar this moment, take off the bolt on the extension board and cooperate with the second screw hole on the fixed plate for fixed plate on two telescopic links passes through the bolt fastening together, and two telescopic links alright merge the use this moment, carry out omnidirectional detection to the internal barrel, have improved the rate of utilization of bolt simultaneously, and a thing is multi-purpose.

The utility model discloses further set up to: the telescopic rod is made of stainless steel.

Through adopting above-mentioned technical scheme, stainless steel's telescopic link prevents to use to rust after a period, avoids appearing the tensile inconvenient phenomenon of telescopic link, improves the result of use of telescopic link.

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

1. when needs were examined internal barrel thickness, the telescopic link that adjusts anticreep piece was taken out in the receiver, adjusted the mounting on the test probe, made test probe fixed to the telescopic link on, slide through adjusting the slide bar this moment to make the telescopic link adjust to required length, the probe alright this moment was measured the thickness of internal barrel. Because the telescopic link is scalable, alright measure the wall thickness of the different degree of depth positions of internal barrel, simple and convenient.

2. When the length of a telescopic rod is not enough, telescopic rods in two storage barrels can be combined together for use, the fixing plate on the end part of the bottom rod is aligned at the moment, the bolt on the support plate is taken down to be matched with the second threaded hole in the fixing plate, the fixing plates on the two telescopic rods are fixed together through the bolt, the two telescopic rods can be combined for use at the moment, the inner barrel is subjected to omnibearing detection, the utilization rate of the bolt is improved simultaneously, and one object is multifunctional.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a sectional view of the telescopic rod accommodated in the accommodating tube of the present invention;

FIG. 4 is an enlarged schematic view of portion B of FIG. 3;

fig. 5 is an enlarged schematic view of a portion C in fig. 3.

Reference numerals: 1. a housing; 2. detecting a probe; 3. a storage cylinder; 4. a telescopic rod; 41. a bottom bar; 42. a top rod; 43. a slide bar; 5. a bean jumping spring; 6. a thread block; 7. a first threaded hole; 8. a support plate; 9. a bolt; 10. a fixing plate; 11. a second threaded hole; 12. a gasket; 13. a wrist fixing band.

Detailed Description

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

The utility model discloses an ultrasonic thickness gauge, as shown in fig. 1, including casing 1 and test probe 2, casing 1 lateral wall is provided with and is hollow storage cylinder 3, is provided with telescopic link 4 in the storage cylinder 3, and telescopic link 4 comprises sill bar 41, ejector pin 42 and many slide bars 43, and slide bar 43 is sliding connection between sill bar 41 and ejector pin 42 in proper order. The telescopic rod 4 may be a telescopic rod 4 similar to a radio antenna rod, that is, the diameters of the bottom rod 41, the sliding rod 43 and the top rod 42 are sequentially reduced, and the top rod 42 is pulled out to drive the sliding rod 43 to extend to adjust to a required length. The telescopic rod 4 may be configured such that the bottom rod 41 and the top rod 42 have the same diameter and the diameters of the adjacent sliding rods 43 are sequentially reduced, and in this embodiment, the diameters of the bottom rod 41, the sliding rods 43, and the top rod 42 are sequentially reduced.

As shown in fig. 1, the storage barrel 3 is provided with a separation preventing member for preventing the telescopic rod 4 from falling in the storage barrel 3, and the detection probe 2 is provided with a fixing member for fixing the detection probe 2 to the telescopic rod 4.

When needs were examined interior barrel thickness, the telescopic link 4 that adjusts anticreep piece was taken out in containing cylinder 3, adjusted the mounting on the test probe 2 for test probe 2 is fixed to telescopic link 4 on, slides through adjusting slide bar 43 this moment, so that telescopic link 4 adjusts to required length, and the thickness of the internal barrel of probe alright this moment is measured. Because the telescopic link 4 is scalable, alright measure the wall thickness of the different degree of depth positions of internal barrel, simple and convenient.

As shown in fig. 1, in order to prevent the telescopic rod 4 from rusting after being used for a period of time and avoid the inconvenient stretching of the telescopic rod 4, the telescopic rod 4 is made of stainless steel, so that the using effect of the telescopic rod 4 is further improved.

In order to facilitate the use of the operator during the detection, the shell 1 is provided with a wrist fixing band 13. The wrist fixing band 13 can fix the thickness gauge on the wrist, so that an operator does not need to hold the thickness gauge with one hand and adjust the detection probe 2 with one hand, and meanwhile, the situation that the thickness gauge drops due to carelessness of the operator can be avoided, and unnecessary loss of the thickness gauge is reduced.

Referring to fig. 2 and 5, the fixing member includes a thread block 6 disposed on the bottom wall of the detection probe 2, and the end of the top rod 42 away from the bottom rod 41 is provided with a first threaded hole 7 engaged with the thread block 6.

When barrel thickness in needs use test probe 2 to detect, in precessing first screw hole 7 with screw block 6 to on fixed to ejector pin 42 with test probe 2, when need not use telescopic link 4, break away from screw block 6 in first screw hole 7 can.

As shown in fig. 3, in order to further prevent the sliding rod 43 from sliding off accidentally during use, the bean-jumping spring 5 is disposed at one end of the sliding rod 43, a through hole for clamping the bean-jumping spring 5 is disposed at the other end of the sliding rod, and the bean-jumping spring 5 is in a V shape as a whole.

When the telescopic link 4 is using, slip slide bar 43 makes and jumps bean spring 5 joint in the through-hole, further improves the result of use of telescopic link 4. When the telescopic rod 4 is required to be stored, the bean jumping spring 5 can be separated from the through hole by applying force slightly by an operator, and the bean jumping device is simple and convenient.

With reference to fig. 3 and 4, the anti-dropping part includes a support plate 8 disposed on the outer wall of the storage barrel 3, the support plate 8 is located near the opening side of the storage barrel 3, the support plate 8 is provided with a bolt 9 in a penetrating manner and in threaded connection, one end of the bottom rod 41 away from the ejector rod 42 is provided with a fixing plate 10, and the fixing plate 10 is provided with a second threaded hole 11 for the bolt 9 to be in threaded connection.

When the telescopic rod 4 needs to be stored in the storage barrel 3, the bolt 9 is screwed into the second threaded hole 11, so that the fixing plate 10 is fixed to the storage barrel 3 through the bolt 9, when the telescopic rod 4 needs to be used, the bolt 9 is separated from the second threaded hole 11, and the operation is rapid.

As shown in fig. 4, in order to enhance the sealing performance between the bottom rod 41 and the storage cylinder 3 and prevent dust or impurities from entering when the telescopic rod 4 is stored in the storage cylinder 3, a sealing gasket 12 is disposed on the inner wall of the storage cylinder 3 along the circumferential position thereof, the sealing gasket 12 is disposed near the opening side of the storage cylinder 3, and when the telescopic rod 4 is stored in the storage cylinder 3, the sealing gasket 12 abuts against the outer wall of the bottom rod 41.

With reference to fig. 1 and 4, two storage cylinders 3 are provided, and telescopic rods 4 are provided in the two storage cylinders 3. When the length of an telescopic link 4 is not enough, can merge the telescopic link 4 in two containing barrels 3 and use together, align the fixed plate 10 on the tip of sill bar 41 this moment, take off bolt 9 on the extension board 8 with the cooperation of second screw hole 11 on the fixed plate 10, make the fixed plate 10 on two telescopic links 4 pass through bolt 9 and fix together, two telescopic links 4 alright use of merging this moment, carry out omnidirectional detection to the internal barrel, the rate of utilization of bolt 9 has been improved simultaneously, a thing is multi-purpose.

The implementation principle of the embodiment is as follows:

when needs examine interior barrel thickness, operating personnel breaks away from second screw hole 11 with bolt 9 for telescopic link 4 can follow and take off in the storage cylinder 3, in the first screw hole 7 of the screw thread piece 6 screw in on the 2 with measuring probe, make measuring probe 2 fix on telescopic link 4. Adjust slide bar 43 and make jumping in the beans spring 5 card goes into the through-hole, transfer required length with telescopic link 4, operating personnel fixes the calibrator to the wrist through wrist fixed band 13 on, alright detect the internal barrel thickness through detecting probe 2 this moment. When the length of an expansion link 4 is not enough, can merge the use together with the expansion link 4 in two containing barrels 3, align the fixed plate 10 on the tip of sill bar 41 this moment, take off bolt 9 on the extension board 8 with the cooperation of the second screw hole 11 on the fixed plate 10 for fixed plate 10 on two expansion links 4 passes through bolt 9 and fixes together, and two expansion links 4 alright use of merging this moment carries out the omnidirectional to the internal barrel and detects.

When the telescopic rod 4 needs to be stored in the storage barrel 3, the thread block 6 is separated from the first threaded hole 7, so that the telescopic rod 4 is separated from the detection probe 2, the sliding rod 43 is adjusted, the jumping bean spring 5 is separated from the through hole, the sliding rod 43 and the ejector rod 42 are stored in the bottom rod 41, and the telescopic rod 4 is placed in the storage barrel 3 at the moment. The bolt 9 is screwed into the second threaded hole 11, so that the fixing plate 10 is fixed to the storage barrel 3 through the bolt 9, thereby preventing the telescopic rod 4 from falling in the storage barrel 3.

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

1. The utility model provides an ultrasonic thickness gauge, includes casing (1) and test probe (2), its characterized in that: casing (1) lateral wall is provided with and is hollow storage cylinder (3), be provided with telescopic link (4) in storage cylinder (3), telescopic link (4) comprise sill bar (41), ejector pin (42) and many slide bars (43), slide bar (43) sliding connection is in proper order between sill bar (41) and ejector pin (42), be provided with the anticreep piece that is used for preventing telescopic link (4) to drop in storage cylinder (3) on storage cylinder (3), be provided with on test probe (2) and be used for fixing test probe (2) to the mounting on telescopic link (4).

2. An ultrasonic thickness gauge according to claim 1, wherein: one end of the sliding rod (43) is provided with a bean jumping spring (5), and the other end of the sliding rod is provided with a through hole for clamping the bean jumping spring (5).

3. An ultrasonic thickness gauge according to claim 1, wherein: the fixing piece comprises a thread block (6) arranged on the bottom wall of the detection probe (2), and a first threaded hole (7) matched with the thread block (6) is formed in the end part, far away from the bottom rod (41), of the ejector rod (42).

4. An ultrasonic thickness gauge according to claim 1, wherein: the anti-falling part comprises a support plate (8) arranged on the outer wall of the storage barrel (3), the support plate (8) is located close to the opening side of the storage barrel (3), the support plate (8) is provided with a bolt (9) in a penetrating mode and in threaded connection, one end, away from the ejector rod (42), of the bottom rod (41) is provided with a fixing plate (10), and a second threaded hole (11) used for allowing the bolt (9) to be in threaded connection is formed in the fixing plate (10).

5. An ultrasonic thickness gauge according to claim 4, wherein: the inner wall of the storage barrel (3) is provided with a sealing gasket (12) along the circumferential position of the inner wall, and the sealing gasket (12) is arranged close to the opening side of the storage barrel (3).

6. An ultrasonic thickness gauge according to claim 1, wherein: the shell (1) is provided with a wrist fixing band (13).

7. An ultrasonic thickness gauge according to claim 1, wherein: the number of the storage cylinders (3) is two, and telescopic rods (4) are arranged in the two storage cylinders (3).

8. An ultrasonic thickness gauge according to claim 1, wherein: the telescopic rod (4) is made of stainless steel.