Clamp for delayed cracking test of steel plate

Abstract

The utility model relates to the technical field of steel plate clamps, and discloses a clamp for a delayed cracking test of a steel plate, which comprises a bottom plate and is provided with a clamping structure, the clamping structure is firstly connected with the bottom plate through a first fixing column, and under the driving of a rotating motor, a second connecting column drives a first connecting plate to rotate; the first connecting plate is connected with the clamping main plate through the second connecting plate, when the first connecting plate rotates, the second connecting plate drives the clamping main plate to move left and right along the moving shaft, clamping main columns are arranged on the two sides, the effect of clamping a steel plate is achieved, a third connecting column is arranged on one side of a third fixing column, and therefore the clamping effect is improved. And a third connecting column is connected with a pump body through a fourth connecting column and a fifth connecting column, and when a rotating motor drives a clamping main column, the pump body drives a connecting column assembly to buffer the clamping main column, so that the clamping effect on the steel plate is buffered, and damage to the steel plate due to clamping is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plate clamps, in particular to a clamp for steel plate delayed cracking test. Background Technique

[0002] With the improvement of the demand for automobile lightweight, the high-quality materials used in automobiles are gradually increasing. As an important part of high-quality automobile materials, the application proportion of high-strength steel plates is also gradually increasing. However, with the increase of the strength of steel plates, especially when the tensile strength of the steel plate reaches or exceeds 1000 MPa, the delayed fracture sensitivity of the steel plate becomes obvious, and it is necessary to further study the problem of delayed cracking of high-strength steel plates during use. At present, the delayed cracking test methods include constant strain test, low strain rate test, and constant load test. Among them, the constant strain test includes U-shaped beam test, three-point bending test, and Erichsen test, all of which require large-scale instruments to process the specimens. However, most of the existing clamps for steel plate delayed cracking test will damage the steel plate body during the clamping process due to the inconvenient control of the clamping force of the clamp.

[0003] The application number is 201922316248.X, which discloses a clamp for steel plate delayed cracking test, belonging to the field of metallurgical testing equipment. It includes a movable clamp, a fixed clamp, a knob, a screw rod, a movable clamp jaw, and a fixed clamp jaw. The screw rod is fixed on the fixed clamp; the movable clamp and the knob are assembled on the screw rod, and the movable clamp can move on the screw rod, and the knob is threadedly matched with the screw rod; the movable clamp and the fixed clamp are respectively provided with a movable clamp jaw and a fixed clamp jaw. The device of the utility model is simple to manufacture, low in cost, simple to operate during use, and can bend high-strength steel. The device can be placed in the hydrochloric acid environment used in the test for operation, with strong adaptability, convenient, safe, cost-saving, time-saving and labor-saving operation.

[0004] However, it has the following deficiencies: The device is simple to operate during use and can bend high-strength steel. The device can be placed in the hydrochloric acid environment used in the test for operation, with strong adaptability, convenient, safe, cost-saving, time-saving and labor-saving operation. However, during the clamping process of the steel plate by the device, the steel plate body will be damaged due to the inconvenient control of the clamping force of the clamp. Content of the Utility Model

[0005] The purpose of the utility model is to provide a clamp for steel plate delayed cracking test to solve the problem that the device is simple to operate during use and can bend high-strength steel. The device can be placed in the hydrochloric acid environment used in the test for operation, with strong adaptability, convenient, safe, cost-saving, time-saving and labor-saving operation. However, during the clamping process of the steel plate by the device, the steel plate body will be damaged due to the inconvenient control of the clamping force of the clamp as mentioned in the above background technique.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model relates to a fixture for a steel plate delayed cracking test, including a bottom plate. A clamping structure is fixedly connected to the upper side of the bottom plate, and a cutting structure is fixedly connected to the upper side of the bottom plate. The clamping structure includes a first fixed column and a moving shaft. The first fixed column is fixedly connected to the upper side of the bottom plate, a moving shaft is fixedly connected to one side of the first fixed column, a moving column is movably connected to the outer side of the moving shaft, and a clamping main board is fixedly connected to the upper side of the moving column.

[0008] Furthermore, a first connecting column is fixedly connected to the upper side of the clamping main board, a limiting column is fixedly connected to one side of the first connecting column, and a clamping main column is fixedly connected to the side of the first connecting column away from the clamping main board.

[0009] Furthermore, a second fixed column is fixedly connected to the upper side of the bottom plate, a rotating motor is fixedly connected to the upper side of the second fixed column, a third fixed column is fixedly connected to the upper side of the rotating motor, and a second connecting column is movably connected to the inner side of the third fixed column.

[0010] Furthermore, a first connecting plate is fixedly connected to the outer side of the second connecting column, and a second connecting plate is movably connected to one side of the first connecting plate.

[0011] Furthermore, a third connecting column is fixedly connected to one side of the third fixed column, a fourth connecting column is fixedly connected to one side of the third connecting column, a fifth connecting column is fixedly connected to one side of the fourth connecting column, and a pump body is fixedly connected to one side of the fifth connecting column.

[0012] Furthermore, the cutting structure includes a sixth connecting column and a telescopic column. The sixth connecting column is fixedly connected to the upper side of the bottom plate, the telescopic column is fixedly connected to the upper side of the sixth connecting column, a fourth fixed column is fixedly connected to the upper side of the telescopic column, a compression column is fixedly connected to the lower side of the fourth fixed column, a cutting main column is movably connected to the inner side of the compression column, and a cutter is fixedly connected to the lower side of the cutting main column.

[0013] The utility model has the following beneficial effects:

[0014] (1) The utility model is provided with a clamping structure. The clamping structure is first connected to the bottom plate through the first fixing column, and then there is a moving shaft on one side of the first fixing column. There is a moving column outside the moving shaft, and the moving column is connected to the clamping main column through the clamping main board and the first connecting column. And there is a second fixing column on the upper side of the bottom plate, and the second fixing column is connected to the third fixing column through a rotating motor. Driven by the rotating motor, the second connecting column drives the first connecting plate to rotate. The first connecting plate is connected to the clamping main board through the second connecting plate. When the first connecting plate rotates, the second connecting plate further drives the clamping main board to move left and right along the moving shaft. By arranging the clamping main columns on both sides, the effect of clamping the steel plate is achieved. And a third connecting column is arranged on one side of the third fixing column, and the third connecting column is connected to the pump body through the fourth connecting column and the fifth connecting column. When the rotating motor drives the clamping main column, the pump body drives the connecting column assembly to buffer the clamping main column, thereby buffering the clamping effect on the steel plate and avoiding damage to the steel plate itself caused by clamping.

[0015] (2) The utility model is provided with a cutting structure. The cutting structure is first connected to the bottom plate through the sixth connecting column, and then there is a telescopic column and a fourth fixing column on the upper side of the sixth connecting column. The fourth fixing column is connected to the cutter through the compression column and the cutting main column. Through the setting of the compression column, the controllability of the cutter for cutting the steel plate is improved, and the effect of delaying the cracking of the steel plate is achieved.

[0016] Of course, it is not necessary for any product implementing the utility model to simultaneously achieve all the above-mentioned advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the connection of the first fixing column of the clamping structure of the present utility model;

[0020] Figure 3 It is a schematic diagram of the connection of the second fixing column of the clamping structure of the present utility model;

[0021] Figure 4 It is a schematic diagram of the connection of the third connecting column of the clamping structure of the present utility model;

[0022] Figure 5 It is a schematic diagram of the connection of the sixth connecting column of the cutting structure of the present utility model;

[0023] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0024] In the figure: 1, bottom plate; 2, clamping structure; 3, cutting structure; 201, first fixing column; 202, moving shaft; 203, moving column; 204, clamping main board; 205, first connecting column; 206, limiting column; 207, clamping main column; 208, second fixing column; 209, rotating motor; 210, third fixing column; 211, second connecting column; 212, first connecting plate; 213, second connecting plate; 214, third connecting column; 215, fourth connecting column; 216, fifth connecting column; 217, pump body; 301, sixth connecting column; 302, telescopic column; 303, fourth fixing column; 304, compression column; 305, cutting main column; 306, cutter. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figures 1 - 5 As shown, the present invention is a fixture for a steel plate delayed cracking test, including a bottom plate 1. A clamping structure 2 is fixedly connected to the upper side of the bottom plate 1, and a cutting structure 3 is fixedly connected to the upper side of the bottom plate 1. The clamping structure 2 includes a first fixing column 201 and a moving shaft 202. The first fixing column 201 is fixedly connected to the upper side of the bottom plate 1, a moving shaft 202 is fixedly connected to one side of the first fixing column 201, a moving column 203 is movably connected to the outer side of the moving shaft 202, and a clamping main board 204 is fixedly connected to the upper side of the moving column 203.

[0027] By adopting the above technical solution, in this solution, the bottom plate 1 is connected to the moving column 203 through the moving shaft 202.

[0028] A first connecting column 205 is fixedly connected to the upper side of the clamping main board 204. A limiting column 206 is fixedly connected to one side of the first connecting column 205, and a clamping main column 207 is fixedly connected to the side of the first connecting column 205 away from the clamping main board 204.

[0029] By adopting the above technical solution, in this solution, the clamping main board 204 is connected to the clamping main column 207 through the first connecting column 205.

[0030] On the upper side of the bottom plate 1, a second fixing column 208 is fixedly connected. On the upper side of the second fixing column 208, a rotating motor 209 is fixedly connected. On the upper side of the rotating motor 209, a third fixing column 210 is fixedly connected. Inside the third fixing column 210, a second connecting column 211 is movably connected.

[0031] By adopting the above technical solution, in this solution, by setting the rotating motor 209, the second fixing column 208 is connected through the rotating motor 209 and the third fixing column 210.

[0032] On the outer side of the second connecting column 211, a first connecting plate 212 is fixedly connected. On one side of the first connecting plate 212, a second connecting plate 213 is movably connected.

[0033] By adopting the above technical solution, in this solution, by setting the second connecting plate 213, the first connecting plate 212 is connected to the clamping main board 204 through the second connecting plate 213.

[0034] On one side of the third fixing column 210, a third connecting column 214 is fixedly connected. On one side of the third connecting column 214, a fourth connecting column 215 is fixedly connected. On one side of the fourth connecting column 215, a fifth connecting column 216 is fixedly connected. On one side of the fifth connecting column 216, a pump body 217 is fixedly connected.

[0035] By adopting the above technical solution, in this solution, by setting the third fixing column 210, the second fixing column 208 is connected through the third fixing column 210 and the third connecting column 214.

[0036] The cutting structure 3 includes a sixth connecting column 301 and a telescopic column 302. On the upper side of the bottom plate 1, the sixth connecting column 301 is fixedly connected. On the upper side of the sixth connecting column 301, the telescopic column 302 is fixedly connected. On the upper side of the telescopic column 302, a fourth fixing column 303 is fixedly connected. On the lower side of the fourth fixing column 303, a compression column 304 is fixedly connected. Inside the compression column 304, a cutting main column 305 is movably connected. On the lower side of the cutting main column 305, a cutter 306 is fixedly connected.

[0037] By adopting the above technical solution, in this solution, by setting the cutting main column 305, the compression column 304 is connected to the cutter 306 through the cutting main column 305.

[0038] In use, first, the clamping structure 2 is set up. The clamping structure 2 is first connected to the base plate 1 through the first fixing column 201. Then, there is a moving shaft 202 on one side of the first fixing column 201, and there is a moving column 203 outside the moving shaft 202. The moving column 203 is connected to the clamping main column 207 through the clamping main board 204 and the first connecting column 205. And there is a second fixing column 208 on the upper side of the base plate 1. The second fixing column 208 is connected to the third fixing column 210 through the rotating motor 209. Driven by the rotating motor 209, the second connecting column 211 drives the first connecting plate 212 to rotate. The first connecting plate 212 is connected to the clamping main board 204 through the second connecting plate 213. When the first connecting plate 212 rotates, the second connecting plate 213 further drives the clamping main board 204 to move left and right along the moving shaft 202. By arranging the clamping main columns 207 on both sides, the effect of clamping the steel plate is achieved. And a third connecting column 214 is arranged on one side of the third fixing column 210. The third connecting column 214 is connected to the pump body 217 through the fourth connecting column 215 and the fifth connecting column 216. When the rotating motor 209 drives the clamping main column 207, the pump body 217 drives the connecting column assembly to buffer the clamping main column 207, thereby buffering the clamping effect on the steel plate and avoiding damage to the steel plate itself caused by clamping. And a cutting structure 3 is set up. The cutting structure 3 is first connected to the base plate 1 through the sixth connecting column 301. Then, there is a telescopic column 302 and a fourth fixing column 303 on the upper side of the sixth connecting column 301. The fourth fixing column 303 is connected to the cutter 306 through the compression column 304 and the cutting main column 305. Through the setting of the compression column 304, the controllability of the cutter 306 for cutting the steel plate is achieved, and thus the effect of delaying the cracking of the steel plate is achieved.

[0039] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the relevant technical field can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A fixture for delayed cracking test of steel plates, comprising a bottom plate (1), characterized in that: The upper side of the bottom plate (1) is fixedly connected to a clamping structure (2), the upper side of the bottom plate (1) is fixedly connected to a cutting structure (3), the clamping structure (2) comprises a first fixed column (201) and a movable shaft (202), the upper side of the bottom plate (1) is fixedly connected to the first fixed column (201), one side of the first fixed column (201) is fixedly connected to the movable shaft (202), the outer side of the movable shaft (202) is movably connected to a movable column (203), the upper side of the movable column (203) is fixedly connected to a clamping main board (204), and the upper side of the bottom plate (1) is fixedly connected to a second fixed column (208) The upper side of the second fixed column (208) is fixedly connected to a rotating motor (209), the upper side of the rotating motor (209) is fixedly connected to a third fixed column (210), the inner side of the third fixed column (210) is movably connected to a second connecting column (211), one side of the third fixed column (210) is fixedly connected to a third connecting column (214), one side of the third connecting column (214) is fixedly connected to a fourth connecting column (215), one side of the fourth connecting column (215) is fixedly connected to a fifth connecting column (216), and one side of the fifth connecting column (216) is fixedly connected to a pump body (217).

2. A fixture for delayed cracking test of steel plate according to claim 1, characterized in that: A first connecting column (205) is fixedly connected to the upper side of the clamping main board (204), a limiting column (206) is fixedly connected to one side of the first connecting column (205), and a clamping main column (207) is fixedly connected to the side of the first connecting column (205) away from the clamping main board (204).

3. A fixture for delayed cracking test of steel plate according to claim 1, characterized in that: The outer side of the second connecting column (211) is fixedly connected to a first connecting plate (212), and one side of the first connecting plate (212) is movably connected to a second connecting plate (213).

4. The fixture for delayed cracking test of steel plate according to claim 1, characterized in that: The cutting structure (3) comprises a sixth connecting column (301) and a telescopic column (302); the sixth connecting column (301) is fixedly connected to the upper side of the base plate (1); the telescopic column (302) is fixedly connected to the upper side of the sixth connecting column (301); the fourth fixed column (303) is fixedly connected to the upper side of the telescopic column (302); the compression column (304) is fixedly connected to the lower side of the fourth fixed column (303); the inner side of the compression column (304) is movably connected to a cutting main column (305); and the lower side of the cutting main column (305) is fixedly connected to a cutter (306).

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