CN216051547U

CN216051547U - Guided wave sensor

Info

Publication number: CN216051547U
Application number: CN202122668729.4U
Authority: CN
Inventors: 孙宪亮
Original assignee: Qingxian Yiyun Instrument Co ltd
Current assignee: Qingxian Yiyun Instrument Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-15
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a guided wave sensor, and belongs to the technical field of sensors. The guided wave sensor includes: the sensor comprises a sensor body, wherein two inner hole blocks are fixedly connected to the outer surface of the sensor body; the two connecting rods are arranged, the two connecting rods respectively penetrate through the two inner hole blocks, and the lower ends of the two connecting rods are fixedly connected with a cylinder protective shell; and location block mechanism, location block mechanism is provided with two sets ofly, every location block mechanism of group all includes the arc frame box, inserted block and three drive spring, this guided wave sensor, the externally mounted of sensor body has the drum protective housing, the sensor body can be very convenient when not using accomodate into the drum protective housing, the protection sensor body that the drum protective housing can be fine, prevent falling of sensor body and damage, and under the cooperation of location block mechanism, the sensor body also can be followed and exposed fast in the drum protective housing and keep exposing the state simultaneously, can not hinder the use of sensor body.

Description

Guided wave sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a guided wave sensor.

Background

Guided wave detection belongs to one of the latest methods in the field of nondestructive evaluation, and the method adopts mechanical stress waves to propagate along an extended structure, so that the propagation distance is long and the attenuation is small. Guided wave detection is widely used for detecting and scanning a large number of engineering structures, particularly for metal pipeline inspection all over the world. Sometimes a single location detection can reach hundreds of meters. Meanwhile, guided wave detection is also applied to detecting the structures of the rails, the bars and the metal flat plates.

The guided wave detects and can't leave guided wave sensor, through putting guided wave sensor on the surface of detection object such as rail or pipeline, guided wave sensor produces mechanical stress wave, utilizes portable electron device drive electronic signal, will show the result after data collection and carry out further analysis on the computer, and current guided wave sensor outside does not set up protection mechanism, when guided wave sensor when not using, if fall carelessly, causes guided wave sensor's damage easily, and then influences the testing result.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a guided wave sensor, which is characterized in that a cylinder protective shell is arranged outside the guided wave sensor, a sensor body can be conveniently accommodated in the cylinder protective shell when not in use, the cylinder protective shell can well protect the sensor body and prevent the sensor body from falling and being damaged, and under the cooperation of a positioning and clamping mechanism, the sensor body can also be rapidly exposed out of the cylinder protective shell, so that the use of the sensor body is not hindered.

2. Technical scheme

In order to solve the problems, the utility model adopts the following technical scheme:

a guided wave sensor, comprising:

the sensor comprises a sensor body, wherein two inner hole blocks are fixedly connected to the outer surface of the sensor body;

the two connecting rods respectively penetrate through the two inner hole blocks, and the lower ends of the two connecting rods are fixedly connected with a cylinder protective shell; and

the positioning and clamping mechanism is provided with two groups, each group comprises an arc-shaped frame box, an insert block and three driving springs, each arc-shaped frame box is fixedly connected to the upper side of the cylinder protective shell, each insert block is movably inserted into one side inner wall of the corresponding arc-shaped frame box, and each driving spring is fixedly connected between the corresponding arc-shaped frame box and the insert block.

As a preferred scheme of the present invention, each positioning and clamping mechanism further includes a set of two limiting rods, each set of two limiting rods is fixedly connected between the inner walls of two sides of the corresponding arc-shaped frame box, and each set of two limiting rods penetrates through the corresponding insert block.

As a preferable scheme of the present invention, each of the positioning and fastening mechanisms further includes a connecting ring block, and each of the connecting ring blocks is fixedly connected to an upper side of the corresponding insert block.

As a preferable scheme of the present invention, the upper sides of the two connecting rods are fixedly connected with a limiting plate.

As a preferable scheme of the present invention, two return springs are fixedly connected to an upper side of the cylinder protection housing, and the two return springs are respectively sleeved on the two connecting rods.

As a preferable scheme of the utility model, a protective cushion cover is slidably sleeved on the outer surface of the cylinder protective shell.

3. Advantageous effects

Compared with the prior art, the utility model provides a guided wave sensor, which has the following beneficial effects:

this guided wave sensor, the externally mounted of sensor body has the drum protective housing, and during the sensor body can be very convenient accomodating into the drum protective housing when not using, the protection sensor body that the drum protective housing can be fine prevents falling of sensor body and damages to under the cooperation of location block mechanism, the sensor body also can follow and expose fast in the drum protective housing and keep exposing the state simultaneously, can not hinder the use of sensor body.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an internal perspective view of the positioning and engaging mechanism of the present invention;

fig. 3 is a side view of the present invention.

The reference numbers in the figures illustrate:

1. a sensor body; 2. an inner bore block; 3. a connecting rod; 4. a cylindrical protective shell; 5. a protective cushion cover; 6. a limiting plate; 7. a return spring; 8. a positioning and clamping mechanism; 801. an arc-shaped frame box; 802. inserting a block; 803. a drive spring; 804. a limiting rod; 805. and connecting the ring blocks.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, a guided wave sensor includes:

the sensor comprises a sensor body 1, wherein two inner hole blocks 2 are fixedly connected to the outer surface of the sensor body 1;

the two connecting rods 3 are arranged, the two connecting rods 3 respectively penetrate through the two inner hole blocks 2, and the lower ends of the two connecting rods 3 are fixedly connected with a cylindrical protective shell 4; and

location block mechanism 8, location block mechanism 8 is provided with two sets ofly, and every location block mechanism 8 of group all includes arc frame box 801, inserted block 802 and three drive spring 803, and every arc frame box 801 all fixed connection is in the upside of drum protective housing 4, and every inserted block 802 is all movable to be pegged graft in one side inner wall that corresponds arc frame box 801, and every drive spring 803 all fixed connection is between corresponding arc frame box 801 and inserted block 802.

In the embodiment of the present invention, when the lower end probe portion of the sensor body 1 is to be exposed from the cylinder protection shell 4 for use, the cylinder protection shell 4 is slid upwards relative to the sensor body 1, then when the insertion blocks 802 of the two sets of positioning and fastening mechanisms 8 are higher than the upper side of the sensor body 1, under the restoring force of the compressed driving spring 803, a part of the two insertion blocks 802 will pass through the arc-shaped frame box 801 to reach the upper side of the sensor body 1, so that the cylinder protection shell 4 cannot slide downwards relative to the sensor body 1, thereby keeping the lower end probe portion of the sensor body 1 exposed all the time for work, when the sensor body 1 is used, the two insertion blocks 802 are completely inserted into the arc-shaped frame box 801, the lower end probe portion of the sensor body 1 can be accommodated into the cylinder protection shell 4, thereby protecting the sensor body 1, the sensor body 1 is prevented from being damaged by impact.

Specifically, referring to fig. 2, each positioning and engaging mechanism 8 further includes a set of two limiting rods 804, each set of two limiting rods 804 is disposed, each set of two limiting rods 804 is fixedly connected between the inner walls of two sides of the corresponding arc-shaped frame box 801, and each set of two limiting rods 804 penetrates through the corresponding insert block 802.

In this embodiment, the insertion block 802 can only slide on the two corresponding limiting rods 804, so that even if the insertion block 802 is completely accommodated in the arc-shaped frame box 801, there is no fear that the insertion block 802 is shaken and cannot be aligned with the exposed hole formed in the inner wall of the arc-shaped frame box 801.

Specifically, as shown in fig. 2, each positioning and fastening mechanism 8 further includes a connecting ring block 805, and each connecting ring block 805 is fixedly connected to the upper side of the corresponding insertion block 802.

In this embodiment, the connection ring block 805 and the insertion block 802 are connected by a thin rod, the thin rod slides in the upper inner wall of the arc-shaped frame box 801, and the insertion block 802 can be driven to move towards the inside of the arc-shaped frame box 801 by stirring the connection ring block 805, so that the sensor body 1 can be conveniently accommodated in the cylinder protection shell 4.

Specifically, referring to fig. 1 and 3, the upper sides of the two connecting rods 3 are fixedly connected with a limiting plate 6.

In this embodiment, when limiting plate 6 and the upside of hole piece 2 laminated, drum protective housing 4 can't continue for sensor body 1 downstream, and the lower extreme probe part of sensor body 1 was located the inside of drum protective housing 4 completely this moment, and limiting plate 6 also can prevent that drum protective housing 4 breaks away from hole piece 2 simultaneously, and open at the center of limiting plate 6 has the round hole, and the transmission line part of the 1 upside of sensor body passes the round hole.

Specifically, please refer to fig. 1 and 3, two return springs 7 are fixedly connected to the upper side of the cylindrical protective shell 4, and the two return springs 7 are respectively sleeved on the two connecting rods 3.

In this embodiment, after the two insertion blocks 802 are accommodated in the arc-shaped frame box 801, the restoring forces of the two return springs 7 in the compressed state act on the cylinder protection shell 4, so that the cylinder protection shell 4 moves downward relative to the sensor body 1, and the lower probe portion of the sensor body 1 is accommodated in the cylinder protection shell 4.

Specifically, referring to fig. 1 and 3, a protective cushion cover 5 is slidably sleeved on the outer surface of the cylindrical protective shell 4.

In this embodiment, the protection casing 5 makes the staff can be better hold the drum protective housing 4, and the protection casing 5 has certain protecting against shock effect simultaneously.

The working principle is as follows: when a worker wants to use the sensor body 1, the worker holds the cylinder protective shell 4 to slide upwards relative to the sensor body 1, then when the insertion blocks 802 of the two groups of positioning and clamping mechanisms 8 are higher than the upper side of the sensor body 1, under the action of the restoring force of the driving spring 803 in a compressed state, part of the two insertion blocks 802 can pass through the arc-shaped frame box 801 to reach the upper side of the sensor body 1, so that the cylinder protective shell 4 can not slide downwards relative to the sensor body 1, the lower end probe part of the sensor body 1 is kept exposed to work all the time, after the sensor body 1 is used, the worker drags the two connecting ring blocks 805 towards the outer side direction of the cylinder protective shell 4 to drive the two insertion blocks 802 to move into the corresponding arc-shaped frame box 801, at the moment, the restoring forces of the two return springs 7 in a compressed state can act on the cylinder protective shell 4, so that the cylinder protective shell 4 moves downwards relative to the sensor body 1, thereby, the lower probe part of the sensor body 1 is accommodated in the cylinder protective shell 4, so that the sensor body 1 is protected, and the sensor body 1 is prevented from being damaged by impact.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. A guided wave sensor, comprising:

the sensor comprises a sensor body (1), wherein two inner hole blocks (2) are fixedly connected to the outer surface of the sensor body (1);

the two connecting rods (3) are arranged, the two connecting rods (3) respectively penetrate through the two inner hole blocks (2), and the lower ends of the two connecting rods (3) are fixedly connected with a cylindrical protective shell (4); and

location block mechanism (8), location block mechanism (8) are provided with two sets ofly, every group location block mechanism (8) all include arc frame box (801), inserted block (802) and three drive spring (803), every arc frame box (801) equal fixed connection in the upside of drum protective housing (4), every inserted block (802) all activity is pegged graft in the one side inner wall that corresponds arc frame box (801), every drive spring (803) all fixed connection is in corresponding between arc frame box (801) and inserted block (802).

2. A guided wave sensor according to claim 1, wherein: every location block mechanism (8) all still include a set of gag lever post (804), every group gag lever post (804) all are provided with two, every group gag lever post (804) equal fixed connection in between the both sides inner wall that corresponds arc frame box (801), every group gag lever post (804) all run through corresponding inserted block (802).

3. A guided wave sensor according to claim 1, wherein: each positioning and clamping mechanism (8) further comprises a connecting ring block (805), and each connecting ring block (805) is fixedly connected to the upper side of the corresponding inserting block (802).

4. A guided wave sensor according to claim 1, wherein: two the upside fixedly connected with limiting plate (6) of connecting rod (3).

5. A guided wave sensor according to claim 1, wherein: the upper side of the cylinder protective shell (4) is fixedly connected with two return springs (7), and the two return springs (7) are respectively sleeved on the two connecting rods (3).

6. A guided wave sensor according to claim 1, wherein: the outer surface of the cylinder protection shell (4) is slidably sleeved with a protection cushion cover (5).