CN217688467U

CN217688467U - Constant load stress corrosion test device

Info

Publication number: CN217688467U
Application number: CN202220668598.1U
Authority: CN
Inventors: 齐杨杨
Original assignee: Xi'an Letry Testing Machines Co ltd
Current assignee: Xi'an Letry Testing Machines Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-10-28
Anticipated expiration: 2032-03-25

Abstract

The application provides a constant load stress corrosion test device, includes: a host frame; the lever is rotatably arranged on the host frame, a first end of the lever extends to the outer side of the host frame, and a second end of the lever is lapped on the host frame; the first moving part is movably arranged on the host frame, and one end of the first moving part is pressed on the side wall of the first end of the lever; the second moving part is used for being connected with the first moving part, a sample to be tested is arranged between the first moving part and the second moving part, and the sample to be tested bears the pressure applied by the first moving part; and the lifter is arranged on the main frame and used for controlling the second moving part to move towards or back to the first moving part. The device is simple in structure, convenient to operate and high in stability.

Description

Constant load stress corrosion test device

Technical Field

The application relates to the technical field of constant load stress corrosion test equipment. In particular to a constant load stress corrosion test device.

Background

The constant load (weight 5) stress corrosion test device is designed by lever principle, and is mainly used for testing NaOH and NO ₃ -、H ₂ S-, cl-solution, N ₂ O ₄ 、NH ₃ Test for measuring stress corrosion failure characteristics of metal in medium environments such as humid air and water, and existing constant load stress corrosion test deviceThe structure is complex and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The application provides a constant load stress corrosion test device for among the solution prior art, constant load stress corrosion test device structure is complicated, the inconvenient technical problem of operation. The specific scheme is as follows:

the application provides a constant load stress corrosion test device, includes: a host frame; the lever is rotatably arranged on the host frame, a first end of the lever extends to the outer side of the host frame, and a second end of the lever is lapped on the host frame; the first moving part is movably arranged on the host frame, and one end of the first moving part is pressed on the side wall of the first end of the lever; the second moving part is used for being connected with the first moving part, a sample to be tested is arranged between the first moving part and the second moving part, and the sample to be tested bears the pressure applied by the first moving part; and the lifter is arranged on the main frame and used for controlling the second moving part to move towards or back to the first moving part.

Optionally, the method further includes: and the weight is hung at the first end of the lever and is used for providing tension for the lever.

Optionally, the method further includes: the rotating part is rotatably arranged at the first end of the lever; the weight is hung on the rotating part.

Optionally, the method further includes: the horizontal bubble is arranged on the surface of the lever and used for detecting the levelness of the lever.

Optionally, the method further includes: the blade is arranged on the side wall of the second end of the lever; and the cutter bearing is arranged on the main frame and used for bearing the cutting edge.

Optionally, the first moving part includes: the bottom of the lower cross beam is provided with a butting block, and the lower cross beam is butted with the side wall of the second end of the lever through the butting block; the lower bottom plate is connected to the top wall of the host frame; one end of the lower joint is connected with the lower cross beam, and the other end of the lower joint is used for being connected with the second moving part; the lower joint penetrates through the top plate and the lower bottom plate of the host frame in sequence, and the lower joint is connected with the top plate and the lower bottom plate of the host frame in a sliding mode respectively.

Optionally, the method further includes: and one end of the upright column is connected with the lower joint, and the other end of the upright column is connected with the second moving part.

Optionally, the second moving part includes: one end of the upper joint is connected with the upright post, and the other end of the upper joint is connected with the sample to be tested; the upper cross beam is arranged on the main frame and used for supporting the lifter so that the lifter and the main frame are kept relatively fixed; the moving screw penetrates through the upper cross beam and is inserted into the lifter, and the lifter is used for controlling the moving screw to move towards or back to the first moving part; and one end of the movable screw is connected with the sample to be tested.

Optionally, the elevator comprises: a hand wheel; the first screw rod is connected with the hand wheel, and the hand wheel can drive the first screw rod to rotate; the first screw rod is in transmission connection with the movable screw rod, and the first screw rod rotates to drive the second screw rod to move towards or back to the first movable part.

Optionally, the method further includes: the first helical gear is coaxially arranged on the first screw rod; the second bevel gear is coaxially arranged on the moving screw rod, and the first bevel gear is in meshing transmission with the second bevel gear; the axis of the first screw is perpendicular to the axis of the moving screw.

The application provides a constant load stress corrosion test device, includes: a host frame; the lever is rotationally arranged on the main frame, a first end of the lever extends to the outer side of the main frame, and a second end of the lever is lapped on the main frame; the first moving part is movably arranged on the host frame, and one end of the first moving part is pressed on the side wall of the first end of the lever; the second moving part is used for being connected with the first moving part, a sample to be tested is arranged between the first moving part and the second moving part, and the sample to be tested bears the pressure applied by the first moving part; and the lifter is arranged on the main frame and used for controlling the second moving part to move towards or back to the first moving part. The device is simple in structure, convenient to operate and high in stability.

Drawings

Fig. 1 is a schematic structural diagram of a constant-load stress corrosion test apparatus provided by the present invention.

The numbers in the figures are respectively:

1. a host frame; 2. a lever; 3. a sample to be tested; 4. an elevator; 5. a weight; 6. a rotating part; 7. horizontal bubble; 8, a blade; 9. a knife bearing; 10. a lower cross beam; 11. a butting block; 12. a lower base plate; 13. a lower joint; 14. a column; 15. an upper connection joint; 16. an upper cross beam; 17. a hand wheel; 18. a first screw; 19 move the screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be understood that the terms "inner," "outer," "upper," "bottom," "front," "back," and the like, if any, refer to the orientation or positional relationship shown in FIG. 1, which is used for ease of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Example 1

The application provides a constant load stress corrosion test device, includes: a host frame 1; the lever 2 is rotatably arranged on the main frame 1, a first end of the lever 2 extends to the outer side of the main frame 1, and a second end of the lever 2 is lapped on the main frame 1; the first moving part is movably arranged on the main frame 1, and one end of the first moving part is pressed on the side wall of the first end of the lever 2; the second moving part is used for being connected with the first moving part, a sample 3 to be tested is arranged between the first moving part and the second moving part, and the sample 3 to be tested bears the pressure applied by the first moving part; and the lifter 4 is arranged on the main frame 1 and is used for controlling the second moving part to move towards or back to the first moving part.

In a specific embodiment, the method further comprises the following steps: and the weight 5 is hung at the first end of the lever 2 and used for providing tension for the lever 2.

In a specific embodiment, the method further comprises the following steps: a rotating part 6, wherein the rotating part 6 is rotatably arranged at the first end of the lever 2; the weight 5 is hung on the rotating part 6.

In a specific embodiment, the method further comprises the following steps: a level bubble 7, wherein the level bubble 7 is arranged on the surface of the lever 2 and is used for detecting the levelness of the lever 2.

In a specific embodiment, the method further comprises the following steps: a blade 8 provided on a side wall of the second end of the lever 2; and the cutter bearing 9 is arranged on the main frame 1 and is used for bearing the cutter edge 8.

In one embodiment, the first moving part includes: the bottom of the lower cross beam 10 is provided with a butting block 11, and the lower cross beam 10 is butted against the side wall of the second end of the lever 2 through the butting block 11; a lower base plate 12, wherein the lower base plate 12 is connected to the top wall of the mainframe frame 1; one end of the lower coupling head 13 is connected with the lower cross beam 10, and the other end of the lower coupling head is connected with the second moving part; the lower joint 13 sequentially penetrates through the top plate of the host frame 1 and the lower bottom plate 12, and the lower joint 13 is respectively connected with the top plate of the host frame 1 and the lower bottom plate 12 in a sliding manner.

In a specific embodiment, the method further comprises the following steps: and an upright column 14, wherein one end of the upright column 14 is connected with the lower coupling head 13, and the other end is connected with the second moving part.

In one embodiment, the second moving part includes: one end of the upper joint 15 is connected with the upright post 14, and the other end of the upper joint 15 is connected with the sample 3 to be tested; the upper cross beam 16 is arranged on the main frame 1 and used for supporting the lifter 4 so that the lifter and the main frame 1 are kept relatively fixed; a moving screw 19 penetrating the upper beam 16 and penetrating the elevator 4, the elevator being configured to control the moving screw 19 to move toward or away from the first moving part; one end of the movable screw rod 19 is connected with the sample 3 to be measured.

In one embodiment, the elevator 4 comprises: a hand wheel 17; the first screw 18 is connected with the hand wheel 17, and the hand wheel 17 can drive the first screw 18 to rotate; the first screw 18 is in transmission connection with the moving screw 19, and the first screw 18 rotates to drive the second screw to move towards or away from the first moving part.

In a specific embodiment, the method further comprises the following steps: a first helical gear coaxially disposed on the first screw 18; the second bevel gear is coaxially arranged on the movable screw rod 19, and the first bevel gear and the second bevel gear are in meshing transmission; the axis of the first screw 18 is perpendicular to the axis of the moving screw 19.

The application provides a constant load stress corrosion test device, includes: a host frame 1; the lever 2 is rotatably arranged on the main frame 1, a first end of the lever 2 extends to the outer side of the main frame 1, and a second end of the lever 2 is lapped on the main frame 1; the first moving part is movably arranged on the main frame 1, and one end of the first moving part is pressed on the side wall of the first end of the lever 2; a second moving part for connecting with the first moving part, wherein a sample 3 to be tested is arranged between the first moving part and the second moving part, and the sample 3 to be tested bears the pressure applied by the first moving part; and the lifter 4 is arranged on the main frame 1 and used for controlling the second moving part to move towards or back to the first moving part. The device is simple in structure, convenient to operate and high in stability.

Example 2

On the basis of the above embodiment 1, the present embodiment describes each component related to the present application in detail in conjunction with the framework of the present solution, specifically as follows:

in conjunction with FIG. 1:

the constant load (weight 5) stress corrosion test device is designed by adopting lever 2 principle, and is mainly used for testing NaOH and NO ₃ -、H ₂ S-, cl-solution, N ₂ O ₄ 、 NH ₃ And testing the stress corrosion failure characteristics of the metal in medium environments such as humid air, water and the like.

The testing device has simple structure and convenient operation, and is ideal testing equipment for departments such as metallurgy, machinery, aerospace, construction and building materials, automobile manufacturing, ship traffic, industrial and mining enterprises, colleges and universities, scientific research institutions and the like.

The main technical indexes of the test device are as follows:

(1) Maximum test load: 50kN; (2) initial force value: 1.5kN; (3) minimum resolving power: 10N; (4) accuracy grade: grade 1; (5) indication relative error of load: 1 percent; (6) lever 2 ratio: 20, 1; (7) loading mode: the lever 2 applies load to the group of weights 5; (8) test tensile space: 0-250 mm, the test space is adjustable;

2. main configuration of the test apparatus:

the test device mainly comprises a test device host, a weight 5, a test fixture and the like. Host part

3. The principle of the host structure is as follows:

the main machine mainly comprises a main machine frame 1, a lower base plate 12, an upper cross beam 16, a lower cross beam 10, an upright post 14, a lifter 4, a lever 2, a weight 5, a knife edge 8, a knife bearing 9, an upper joint 15, a lower joint 13 and the like, wherein the weight 5 is loaded to apply an upward force to the upright post 14 through the principle of the lever 2 during a test, and the load is applied to a sample through the upper joint 15 on the cross beam.

1 set of bar clamp and plate clamp respectively.

4. Description of the operating procedure of the test apparatus

The test steps are as follows:

1. the sample is firstly installed on the clamp, and the distance between the upper and lower connecting heads 13 is adjusted by the lifter 4.

2. The sample and the jig are put together into the upper and lower coupling heads 13 and fixed by pins.

3. The levelness of the lever 2 is adjusted by a hand wheel 17 above the cross beam, and the horizontal bubble 7 at the tail part of the lever 2 is observed to be in a middle position.

4. After the weight 5 is added to the required weight according to the actual requirement, the hand wheel 17 is used for adjusting the tail horizontal bubble 7 of the lever 2 to the middle position, namely, the test is started, the tail horizontal bubble 7 is observed regularly or irregularly according to the requirements of different material users, and when the tail horizontal bubble is not level, the operation of the step 3 is repeated until the test sample fracture test is finished.

Examples of test loading:

the tester lever 2 ratio is 1: the test specimen is to be tested under a load of 33.15kN, and the weight 5 is then chosen according to the following calculation:

(33.15 kN-1.5 kN) ÷ 2kn =15.825 is an integer: 15 pieces of 2kN weight are required.

(33.15 kN-1.5kN-2kN × 15) ÷ 1kn =1.65 integer: 1 piece of 1kN weight is required.

(33.15 kN-1.5kN-2kN × 15-1kN × 1) ÷ 0.5kN =1.3 integer: 1 piece of 0.5kN weight is required.

(33.15 kN-1.5kN-2kN × 15-1kN × 1-0.5kN × 1) ÷ 100n=1.5 integer: 1 piece of 100N weight is required.

(33.15 kN-1.5kN-2kN × 15-1kN × 1-0.5kN × 1-0.1 × 1) ÷ 50n=1 is an integer: a weight of 1 piece of 50N is required.

From the above knowledge, a total of 19 weights are required:

wherein: 15 pieces of 2kN weights; 1 piece of 1kN weight; 1 piece of 0.5kN weight.

1 piece of 0.1kN weight; 1 piece of 50N weight.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A constant load stress corrosion test device is characterized by comprising:

a host frame (1);

the lever (2) is rotatably arranged on the main frame (1), the first end of the lever (2) extends to the outer side of the main frame (1), and the second end of the lever is lapped on the main frame (1);

the first moving part is movably arranged on the main frame (1), and one end of the first moving part is pressed on the side wall of the first end of the lever (2);

the second moving part is used for being connected with the first moving part, a sample (3) to be tested is arranged between the first moving part and the second moving part, and the sample (3) to be tested bears the pressure applied by the first moving part;

the lifter (4) is arranged on the main frame (1) and is used for controlling the second moving part to move towards or back to the first moving part.

2. The constant-load stress corrosion test apparatus according to claim 1, further comprising:

and the weight (5) is hung at the first end of the lever (2) and used for providing tension for the lever (2).

3. The constant-load stress corrosion test apparatus according to claim 2, further comprising:

the rotating part (6), the rotating part (6) is rotatably arranged at the first end of the lever (2);

the weight (5) is hung on the rotating part (6).

4. The constant-load stress corrosion test apparatus according to claim 1, further comprising:

a level bubble (7), the level bubble (7) is arranged on the surface of the lever (2) and is used for detecting the levelness of the lever (2).

5. The constant-load stress corrosion test apparatus according to claim 1, further comprising:

a blade (8) arranged on a side wall of the second end of the lever (2);

and the cutter bearing (9) is arranged on the main machine frame (1) and is used for bearing the cutting edge (8).

6. The constant-load stress corrosion test apparatus according to claim 1, wherein the first moving portion includes:

the lower cross beam (10) is provided with a butting block (11) at the bottom of the lower cross beam (10), and the lower cross beam (10) is butted against the side wall of the second end of the lever (2) through the butting block (11);

a lower base plate (12), wherein the lower base plate (12) is connected to the top wall of the host frame (1);

one end of the lower joint (13) is connected with the lower cross beam (10), and the other end of the lower joint is connected with the second moving part; the lower joint (13) penetrates through the top plate of the host frame (1) and the lower bottom plate (12) in sequence, and the lower joint (13) is connected with the top plate of the host frame (1) and the lower bottom plate (12) in a sliding mode respectively.

7. The constant-load stress corrosion test apparatus according to claim 6, further comprising:

and one end of the upright column (14) is connected with the lower joint (13), and the other end of the upright column (14) is connected with the second moving part.

8. The constant-load stress corrosion test apparatus according to claim 7, wherein the second moving portion includes:

one end of the upper connecting joint (15) is connected with the upright post (14), and the other end of the upper connecting joint (15) is connected with the sample (3) to be tested;

the upper cross beam (16) is arranged on the main frame (1) and used for supporting the lifter (4) so that the lifter (4) and the main frame (1) are kept relatively fixed;

a moving screw (19) penetrating through the upper beam (16) and inserted into the lifter (4), wherein the lifter (4) is used for controlling the moving screw (19) to move towards or away from the first moving part; one end of the movable screw rod (19) is connected with the sample (3) to be measured.

9. The constant-load stress corrosion test apparatus according to claim 8, wherein the lifter (4) includes:

a hand wheel (17);

the first screw rod (18) is connected with the hand wheel (17), and the hand wheel (17) can drive the first screw rod (18) to rotate;

the first screw rod (18) is in transmission connection with the movable screw rod (19), and the first screw rod (18) rotates to drive the movable screw rod (19) to move towards or back to the first moving part.

10. The constant-load stress corrosion test apparatus according to claim 9, further comprising:

a first helical gear coaxially arranged on the first screw (18);

the second bevel gear is coaxially arranged on the movable screw (19), and the first bevel gear and the second bevel gear are in meshing transmission; the axis of the first screw (18) is perpendicular to the axis of the moving screw (19).