Anti-collision high-temperature strain gauge

Abstract

The utility model discloses an anti-collision high-temperature strain gauge, which belongs to the technical field of strain gauges and comprises a strain gauge, a protective assembly is arranged at the top end of the strain gauge, and a fitting assembly is arranged in the protective assembly. According to the utility model, the buffer pad is arranged inside, the mounting rack is attached to the surface of a detected object during mounting, so that the sliding plate moves and drives the buffer pad and the strain gauge to move, and meanwhile, the strain gauge can be attached to the object through certain extrusion of the buffer pad to the strain gauge; the strain gauges can be located in the mounting rack before being used, so that the strain gauges are prevented from being extruded by other articles to generate certain deformation, the unused strain gauges are protected, and the situation that errors exist in the using process can be avoided; therefore, the strain gauges are ensured to be intact before being used, and errors caused by improper storage of the strain gauges are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of strain gauge especially relates to a high temperature strain gauge of anti -impact. BACKGROUND

[0002] Strain gauge is a kind of sensor for measuring the deformation of object, its main principle is to utilize the resistivity of metal wire or semiconductor material with the change of deformation to realize measurement, strain gauge is usually composed of metal foil to increase sensitivity and fatigue resistance, so that it can be applied to the industrial, agricultural and scientific research fields all over the world and be used to measure the mechanical properties of materials.

[0003] Strain gauge is generally exposed to the outside world during storage, and if certain weight objects are placed on it for a long time during storage, it is easy to produce certain deformation and affect the accuracy of strain gauge detection, thereby affecting the detection result, so that the staff cannot obtain accurate data, in order to solve the above problems, therefore, an anti-impact high temperature strain gauge is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of anti-impact high temperature strain gauges to solve the problem that strain gauge is generally exposed to the outside world during storage, and if certain weight objects are placed on it for a long time during storage, it is easy to produce certain deformation and affect the accuracy of strain gauge detection, thereby affecting the detection result, so that the staff cannot obtain accurate data.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of anti-impact high temperature strain gauge, including strain gauge, the strain gauge top is equipped with protection assembly, the protection assembly is equipped with the fitment component in;

[0006] The fitment component includes mounting plate, the mounting plate bottom surface is fixedly connected with buffer pad, the mounting plate both sides are fixedly connected with first rack, the first rack one side is engagedly connected with gear, the gear other side is engagedly connected with second rack, the second rack one side is fixedly connected with sliding plate, the sliding plate top is fixedly connected with second spring.

[0007] As a further description of the above technical scheme:

[0008] The first rack and the second rack are symmetrically arranged on the two sides of the gear, the buffer pad bottom surface is fixedly connected with the strain gauge, and the gear both ends are fixedly connected with rotating shaft.

[0009] As a further description of the above technical scheme:

[0010] The protection assembly comprises a mounting frame, a sliding groove is formed in the mounting frame, the sliding groove is in sliding connection with a sliding plate, and a part of the bottom end of the sliding plate extends out of the mounting frame.

[0011] As a further description of the above technical solution:

[0012] The mounting plate is in sliding connection with the mounting frame through a groove formed in the mounting frame, and the mounting frame is provided with a mounting hole.

[0013] As a further description of the above technical solution:

[0014] The mounting hole is in rotational connection with a rotating shaft, and the mounting frame is fixedly connected with a first spring on both sides.

[0015] As a further description of the above technical solution:

[0016] The other end of the first spring is fixedly connected with a protective cover, the mounting frame and the bottom end of the protective cover are both provided with an adhesive piece, and the top end of the second spring is fixedly connected with the mounting frame.

[0017] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0018] 1. In the present application, the buffer pad is arranged in the mounting frame, the mounting frame is attached to the surface of the detected object during installation, the sliding plate moves and drives the buffer pad and the strain gauge to move, the strain gauge is in contact with the surface of the measured object when the sliding plate is completely retracted into the mounting frame, the buffer pad can extrude the strain gauge to make the strain gauge adhere to the object, the strain gauge can be located in the mounting frame before use to avoid extrusion of other objects and deformation of the strain gauge, the unused strain gauge is protected, errors during use are avoided, and the strain gauge is ensured to be intact before use.

[0019] 2. In the present application, the protective cover is arranged in the mounting frame, the mounting frame and the protective cover are fixed to the surface of the detected object through the adhesive piece during use, the protective cover can protect the strain gauge from damage when other objects collide with the strain gauge, the strain gauge is protected, the first spring is extruded when the strain gauge is subjected to a diagonal force, and the first spring is reset through the reaction force, so that the strain gauge is continuously protected. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure diagram of a high-temperature strain gauge capable of preventing collision.

[0021] Figure 2 It is an explosion perspective view of a kind of anti-collision high-temperature strain gauge.

[0022] Figure 3 It is an explosion perspective view of a kind of anti-collision high-temperature strain gauge in fitting component.

[0023] Figure 4 It is an explosion perspective view of a kind of anti-collision high-temperature strain gauge in protection component.

[0024] Legend:

[0025] 1, strain gauge;2, protection component;21, protective cover;22, sliding groove;23, mounting hole;24, mounting bracket;25, adhesive piece;26, first spring;3, fitting component;31, mounting plate;32, buffer pad;33, first rack;34, rotating shaft;35, gear;36, second rack;37, sliding plate;38, second spring. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-4 The present application provides a technical scheme: an anti-collision high-temperature strain gauge, comprising a strain gauge 1, the top end of the strain gauge 1 is provided with a protection component 2, the protection component 2 is provided with a fitting component 3.

[0028] The fitting component 3 comprises a mounting plate 31, the bottom surface of the mounting plate 31 is fixedly connected with a buffer pad 32, the two sides of the mounting plate 31 are fixedly connected with a first rack 33, one side of the first rack 33 is meshingly connected with a gear 35, the other side of the gear 35 is meshingly connected with a second rack 36, one side of the second rack 36 is fixedly connected with a sliding plate 37, and the top end of the sliding plate 37 is fixedly connected with a second spring 38.

[0029] The first rack 33 and the second rack 36 are symmetrically arranged on the two sides of the gear 35, the bottom surface of the buffer pad 32 is fixedly connected with the strain gauge 1, and the gear 35 is fixedly connected with a rotating shaft 34 at both ends.

[0030] The specific implementation is that when installing, the mounting frame 24 is attached to the surface of the detected object, so that the sliding plate 37 moves and can drive the gear 35 to rotate through the second rack 36, thereby driving the first rack 33 to move and drive the mounting plate 31 to move and compress the second spring 38, thereby driving the buffer pad 32 and the strain gauge 1 to move, and when the sliding plate 37 is completely retracted into the mounting frame 24, the strain gauge 1 just contacts the surface of the measured object, and the strain gauge 1 can be pressed by the buffer pad 32 to be attached to the object;

[0031] The protection assembly 2 comprises a mounting frame 24, a sliding groove 22 is formed in the mounting frame 24, the sliding groove 22 is in sliding connection with a sliding plate 37, and a part of the bottom end of the sliding plate 37 extends out of the mounting frame 24; the mounting plate 31 is in sliding connection with the mounting frame 24 through a groove formed in the mounting frame 24; the mounting frame 24 is provided with a mounting hole 23, the mounting hole 23 is in rotating connection with a rotating shaft 34, and the mounting frame 24 is fixedly connected with a first spring 26 on both sides; the other end of the first spring 26 is fixedly connected with a protective cover 21; the mounting frame 24 and the protective cover 21 are both provided with an adhesive piece 25 at the bottom end; and the top end of a second spring 38 is fixedly connected with the mounting frame 24.

[0032] The specific implementation is that during use, the mounting frame 24 and the protective cover 21 are fixed on the surface of the detected object through the adhesive piece 25, so that the strain gauge 1 can be protected by the protective cover 21 when other objects collide with the strain gauge 1, thereby avoiding damage to the strain gauge 1; and when the object collides obliquely, the adhesive piece 25 at the bottom end of the protective cover 21 is separated from the object and moves, and the protective cover 21 is pressed against the first spring 26; and when the external force disappears, the protective cover 21 can be reset by the first spring 26, thereby continuing to protect the strain gauge 1.

[0033] Working principle: in the process of use, the mounting frame 24 and the protective cover 21 are fixed on the surface of the detected object by the adhesive piece 25, at the same time, the sliding plate 37 is moved and the gear 35 is rotated by the second rack 36, so that the first rack 33 is moved and the mounting plate 31 is moved, the second spring 38 is compressed, the buffer pad 32 and the strain gauge 1 are moved, the strain gauge 1 is just in contact with the surface of the measured object when the sliding plate 37 is completely retracted into the mounting frame 24, the strain gauge 1 is pressed by the buffer pad 32 and is attached to the object, if other objects collide with the strain gauge 1, the strain gauge 1 is protected by the protective cover 21, so that the strain gauge 1 is not damaged, and if the object collides obliquely, the adhesive piece 25 at the bottom of the protective cover 21 is separated from the object and moves, the protective cover 21 is pressed by the first spring 26, and when the external force disappears, the protective cover 21 is reset by the first spring 26, so that the strain gauge 1 is protected.

[0034] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high temperature strain gauge for impact protection, comprising a strain gauge (1), characterized in that: The strain gauge (1) top is equipped with the protection assembly (2), the protection assembly (2) is equipped with the fit assembly (3) in; The fit assembly (3) includes the mounting plate (31), the mounting plate (31) bottom surface fixedly connected with the buffer pad (32), the mounting plate (31) both sides fixedly connected with the first rack (33), the first rack (33) one side engagement connection has the gear (35), the gear (35) other side engagement connection has the second rack (36), the second rack (36) one side fixedly connected with the sliding plate (37), the sliding plate (37) top fixedly connected with the second spring (38).

2. A high temperature strain gauge for impact protection according to claim 1, characterized in that The first rack (33) and second rack (36) are symmetrically arranged on both sides of the gear (35), the buffer pad (32) bottom surface is fixedly connected with the strain gauge (1), and the gear (35) both ends are fixedly connected with the rotating shaft (34).

3. A high temperature strain gauge for impact protection according to claim 2, characterized in that The protection assembly (2) includes the mounting bracket (24), the mounting bracket (24) is equipped with the sliding slot (22) in, the sliding slot (22) is slidably connected with the sliding plate (37) and the sliding plate (37) bottom end part extends out the mounting bracket (24).

4. A high temperature strain gauge for impact protection according to claim 3, characterized in that The mounting plate (31) is slidably connected with the slot in the mounting bracket (24), and the mounting bracket (24) is provided with a mounting hole (23).

5. A high temperature strain gauge for impact protection according to claim 4, characterized in that The mounting hole (23) is rotatably connected with the rotating shaft (34), and the mounting bracket (24) is fixedly connected with the first spring (26) on both sides.

6. A high temperature strain gauge for impact protection according to claim 5, characterized in that The other end of the first spring (26) is fixedly connected with the protective cover (21), and the mounting bracket (24) and the protective cover (21) bottom end are both provided with the sticky piece (25), and the top of the second spring (38) is fixedly connected with the mounting bracket (24).

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