CN220019203U - Measuring device for creep test of slow tensile corrosion - Google Patents

Abstract

The utility model provides a measuring device for a slow tensile corrosion creep test, which comprises a fixing unit, a measuring unit and a measuring unit, wherein the fixing unit comprises a lower supporting plate and a clamping block detachably fixed on the lower supporting plate, and a containing hole is formed between the clamping block and the lower supporting plate; the two groups of measuring units are respectively fixed at through holes at two ends of the lower supporting plate and are used for measuring samples; the clamping unit is arranged at the measuring unit and comprises a clamping rod fixed with the measuring unit and a clamping ring arranged at the end part of the clamping rod and fixed with the host column. According to the measuring device for the slow tensile corrosion creep test, the fixing unit can be fixed with the tensile rod structure measuring deformation clamp, and meanwhile, the clamping unit is connected with the host column, so that the height of the measuring device can be adjusted according to actual test requirements, the deformation of the tensile corrosion creep test can be measured accurately, and the assembly and the operation are easy.

Description

Measuring device for creep test of slow tensile corrosion

Technical Field

The utility model relates to the technical field of performance testing of metal materials, in particular to a measuring device for a creep test of slow tensile corrosion.

Background

Creep refers to the phenomenon that a material slowly generates plastic deformation under the action of constant temperature and constant load for a long time. The creep property of the material directly affects the service life of the material, so that the research on the creep property of the material, namely, the change rule of deformation of the material along with temperature, stress and time is of great significance to the application of the material.

The metal materials such as high-temperature alloy, titanium alloy and the like are key structural materials essential for aerospace, energy chemical industry, national defense weapon equipment and national economy construction, and structural components made of the metal materials such as high-temperature alloy, titanium alloy and the like are adopted, and the deformation of the metal materials is mainly compression creep due to long-time service under high temperature and compression stress states. With the development of national nuclear industry and deep sea exploration engineering in recent years, the requirements on the performance of materials are more strict, and one of the key tests is to measure the compression creep performance of metal materials.

The existing multipurpose extension rod structure of the creep test deformation measuring device is mainly used for carrying out a tensile creep test on a metal material in a corrosion environment, and cannot be directly applied to a slow tensile stress corrosion creep test.

Disclosure of Invention

In view of the above, the present utility model aims to propose a measuring device for creep test of slow tensile corrosion to accurately measure creep deformation of a test specimen, and to facilitate assembly and operation.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a measurement device for a slow tensile corrosion creep test, comprising:

the fixing unit comprises a lower supporting plate and a clamping block detachably fixed on the lower supporting plate, and a containing hole is formed between the clamping block and the lower supporting plate;

the two groups of measuring units are respectively fixed at the through holes at the two ends of the lower supporting plate and are used for measuring samples;

the clamping unit is arranged at the measuring unit and comprises a clamping rod fixed with the measuring unit and a clamping ring arranged at the end part of the clamping rod and fixed with the host column.

Further, the measuring unit comprises an adjusting rod fixed with the through hole, and a measuring piece arranged at one end of the clamping rod far away from the clamping ring, and the measuring piece is abutted to the end part of the adjusting rod.

Further, an insulating sleeve is arranged between the measuring piece and the adjusting rod.

Further, a knurled nut is arranged on the adjusting rod and is in threaded connection with the adjusting rod, and the lower end face of the knurled nut is abutted to the upper end face of the lower supporting plate.

Further, the measuring piece adopts a grating sensor.

Further, the clamping ring comprises two semi-arc clamping blocks, one clamping block is fixed with the clamping rod, and the two clamping blocks are fixedly connected through bolts.

Compared with the prior art, the utility model has the following advantages:

according to the measuring device for the slow tensile corrosion creep test, the fixing unit can be fixed with the tensile rod structure measuring deformation clamp, and meanwhile, the clamping unit is connected with the host column, so that the height of the measuring device can be adjusted according to actual test requirements, the deformation of the tensile corrosion creep test can be measured accurately, and the assembly and the operation are easy.

In addition, adopt insulating cover to carry out fixed assembly to the measuring part, can make the measurement more accurate, simultaneously, the setting of insulating cover can avoid producing the influence to the measuring part.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, wherein the words of front and back, top and bottom, etc. are used to indicate relative position and are not intended to limit the utility model unduly. In the drawings:

FIG. 1 is a schematic view of the overall structure of a measuring device for a creep test of slow tensile corrosion according to an embodiment of the present utility model;

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

FIG. 3 is a schematic structural view of a fixing unit according to an embodiment of the present utility model;

FIG. 4 is an elevation view of a measurement apparatus for a slow tensile corrosion creep test according to an embodiment of the utility model;

FIG. 5 is a schematic view of a measuring device for creep test of slow tensile corrosion applied to a deformation fixture for measuring an elongation rod structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a fixing unit; 10. a lower support plate; 100. a receiving hole; 101. a through hole; 11. clamping blocks; 2. a measuring unit; 20. an adjusting rod; 200. knurled nuts; 21. a measuring member; 210. an insulating sleeve; 3. a clamping unit; 30. a clamping rod; 31. a clamping ring; 310. a clamping block; 4. the deformation clamp is used for measuring the structure of the extension rod; 5. and a host column.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In addition, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment relates to a measuring device for a creep test of slow tensile corrosion, which comprises a fixing unit 1, two groups of measuring units 2 and a clamping unit 3.

Wherein, the fixing unit 1 comprises a lower support plate 10, a clamping block 11 detachably fixed on the lower support plate 10, and a containing hole 100 is formed between the clamping block 11 and the lower support plate 10; the two groups of measuring units 2 are respectively fixed at through holes 101 at two ends of the lower supporting plate 10 and are used for measuring samples; the clamping unit 3 is arranged at the measuring unit 2, and the clamping unit 3 comprises a clamping rod 30 fixed with the measuring unit 2 and a clamping ring 31 fixed with the host column 5 and arranged at the end part of the clamping rod 30.

The design above, fixed unit 1 can be fixed with extension pole structure measurement deformation anchor clamps 4, utilizes clamping unit 3 to be connected with host computer stand 5 simultaneously, can adjust measuring device's height according to actual test demand like this, and the convenience is accurate to the measurement of the deflection of tensile corrosion creep test, easily assembly and operation.

Based on the above overall design, an exemplary structure of the measuring apparatus for the slow tensile corrosion creep test of the present embodiment is shown in fig. 1 to 5, and it should be noted that the aforementioned extension rod structure measuring deformation fixture 4 is provided with a corrosion groove and a liquid receiving groove, and the extension rod structure measuring deformation fixture 4 is the prior art, and the measuring apparatus of the present embodiment is designed based on the extension rod structure measuring deformation fixture 4, so the detailed description of the extension rod structure measuring deformation fixture 4 is not provided in the present embodiment.

In addition, referring to fig. 3, the receiving hole 100 formed by the lower plate 10 and the clamping block 11 in the fixing unit 1 is for fixing with the extension bar structure measuring deformation jig 4, and the clamping block 11 and the lower plate 10 are fixed by two bolts, thereby facilitating the disassembly and assembly. It should be noted that, the bottom plate 10 reserves the avoiding groove for the clamping block 11, so the clamping block 11 is integrated with the bottom plate 10 after being mounted on the bottom plate 10, so that the bottom plate 10 can be in a symmetrical structure along the axis.

In the present embodiment, as shown in fig. 2 to 4, through holes 101 are formed at both ends of the lower plate 10, and the two through holes 101 are symmetrically disposed. In addition, the measuring unit 2 includes an adjusting rod 20 fixed to the through hole 101, and a measuring piece 21 provided at an end of the clamp rod 30 remote from the clamp ring 31, the measuring piece 21 abutting on an end of the adjusting rod 20. The measuring element 21 is a grating sensor, and an end of the grating sensor abuts against the adjusting lever 20.

In this embodiment, as a preferred embodiment, the adjusting rod 20 is provided with a knurled nut 200, the knurled nut and the through hole 101 are connected by screw, the adjusting rod 20 is also connected by screw, and the lower end surface of the knurled nut 200 abuts against the upper end surface of the lower support plate 10. It will be appreciated that by turning the knurled nut 200, the position of the adjustment lever 20 can be changed to reach the appropriate position for testing, facilitating subsequent measurement of deformation by the measuring device.

In addition, be equipped with insulating cover 210 between measuring piece 21 and the regulation pole 20, adopt insulating cover 210 to carry out fixed assembly to measuring piece 21, can make the measurement more accurate, simultaneously, insulating cover 210's setting can avoid producing the influence to measuring piece 21.

Referring back to fig. 1, the clamping ring 31 includes two semi-arc clamping blocks 310, one clamping block 310 is fixed with the clamping rod 30, the two clamping blocks 310 are fixedly connected through bolts, and the two clamping blocks 310 are fixed together to clamp the host column 5, so that the height of the measuring device can be adjusted according to actual testing requirements, and measurement is convenient. When the host machine performs a tensile test, it is necessary to first perform a compression process on the grating sensor in order to measure deformation generated by the test.

The measuring device for the slow tensile corrosion creep test of the embodiment is characterized in that the fixing unit 1 and the extension rod structure measuring deformation clamp 4 are fixed firstly, and the clamping unit 3 is connected with the host column 5, so that the height of the measuring device can be adjusted according to actual test requirements, the deformation of the tensile corrosion creep test is conveniently and accurately measured, and the assembly and the operation are easy.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. A measurement device for be used for slow tensile corrosion creep test, characterized by comprising:

a fixing unit (1) comprising a lower supporting plate (10) and a clamping block (11) detachably fixed on the lower supporting plate (10), wherein a containing hole (100) is formed between the clamping block (11) and the lower supporting plate (10);

two groups of measuring units (2) are respectively fixed at through holes (101) at two ends of the lower supporting plate (10) and are used for measuring samples;

the clamping unit (3) is arranged at the measuring unit (2), and the clamping unit (3) comprises a clamping rod (30) fixed with the measuring unit (2) and a clamping ring (31) arranged at the end part of the clamping rod (30) and fixed with the host column (5).

2. The measurement device for be used for slow tensile corrosion creep test according to claim 1, wherein: the measuring unit (2) comprises an adjusting rod (20) fixed with the through hole (101), and a measuring piece (21) arranged at one end of the clamping rod (30) far away from the clamping ring (31), wherein the measuring piece (21) is abutted to the end part of the adjusting rod (20).

3. The measurement device for be used for slow tensile corrosion creep test according to claim 2, wherein: an insulating sleeve (210) is arranged between the measuring piece (21) and the adjusting rod (20).

4. The measurement device for be used for slow tensile corrosion creep test according to claim 2, wherein: the adjusting rod (20) is provided with a knurled nut (200) which is in threaded connection, and the lower end face of the knurled nut (200) is abutted with the upper end face of the lower supporting plate (10).

5. A measurement device for be used for slow tensile corrosion creep test according to claim 3, wherein: the measuring element (21) adopts a grating sensor.

6. The measurement device for slow tensile corrosion creep test according to any one of claims 1 to 5, wherein: the clamping ring (31) comprises two semi-arc clamping blocks (310), one clamping block (310) is fixed with the clamping rod (30), and the two clamping blocks (310) are fixedly connected through bolts.