Metal material high-frequency fatigue test device

Abstract

The utility model discloses a high-frequency fatigue test device for metal materials, which relates to the technical field of metal material tests and comprises a fixing mechanism, a lifting mechanism is slidably connected in the fixing mechanism, and the lifting mechanism is driven by a driving mechanism. According to the utility model, a metal material plate to be tested passes through the second clamping assembly and the first clamping assembly, then the adjusting bolt is screwed, the metal material plate to be tested can be fixed and clamped through the adjusting bolt, and then the metal material plate to be tested is properly limited through the second clamping assembly, so that the metal material plate to be tested is fixed and clamped. Then a control switch of a driving motor is started, the driving motor drives an I-shaped rotating shaft, a rotating disc and an eccentric column to rotate, the eccentric column rotates to drive a lifting sliding plate to reciprocate up and down, and the two ends of a metal material plate to be tested are driven to move through a second clamping assembly, so that the high-frequency fatigue test on the metal material is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of metal material testing, and particularly relates to a high-frequency fatigue testing device for metal materials. Background Technique

[0002] The high-frequency fatigue testing machine is used to measure the fatigue characteristics, fatigue life, prefabricated cracks and crack propagation tests of metals, alloy materials and their components (such as operating joints, fixed parts, spiral moving parts, etc.) under room temperature conditions for tensile, compressive or tensile-compressive alternating loads;

[0003] At present, most of the existing high-frequency fatigue testing devices for metal materials on the market are relatively complex and have poor test effects. Based on this, the utility model designs a high-frequency fatigue testing device for metal materials to solve the above problems. Content of the Utility Model

[0004] Therefore, the utility model provides a high-frequency fatigue testing device for metal materials to solve the above problems in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solution: A high-frequency fatigue testing device for metal materials includes a fixing mechanism, and a lifting mechanism is slidably connected inside the fixing mechanism, and the lifting mechanism is driven by a driving mechanism;

[0006] The fixing mechanism includes a fixed mounting frame, square through holes are opened on both sides of the fixed mounting frame, a group of fixed support plates are fixedly mounted on a pair of opposite inner walls of the fixed mounting frame, a vertical guiding column is fixedly mounted between each group of fixed support plates, and a first clamping assembly is fixedly mounted on the inner top surface of the fixed mounting frame;

[0007] The lifting mechanism includes a lifting slide plate, vertical guiding holes adapted to the vertical guiding columns are opened at both ends of the lifting slide plate, the vertical guiding columns pass through the vertical guiding holes, and the vertical guiding columns are in sliding fit with the vertical guiding holes, and second clamping assemblies are fixedly mounted on both sides of the upper surface of the lifting slide plate.

[0008] Further, the driving mechanism includes a fixed support, the fixed support is fixedly mounted on the inner bottom surface of the fixed mounting frame, an I-shaped rotating shaft penetrates and rotates through the top of the fixed support, a rotating disc is fixedly mounted on the rear side of the I-shaped rotating shaft, an eccentric column is fixedly mounted on the rotating disc, the eccentric column is located on the lower surface of the lifting slide plate, and the circumferential surface of the eccentric column is in contact with the lower surface of the lifting slide plate. The I-shaped rotating shaft is driven by a driving motor, a motor support is fixedly mounted on the fixed support, and the driving motor is fixedly mounted on the motor support.

[0009] Further, the structures of the first clamping assembly and the second clamping assembly are the same.

[0010] Further, the first clamping assembly includes a vertical bearing plate, the top surface of the vertical bearing plate is fixedly connected to the inner top surface of the fixed installation frame, a square accommodation cavity is opened at the bottom of the vertical bearing plate, a fixed column is fixedly installed at the inner top end of the square accommodation cavity, a lifting column is slidably connected to the inner bottom end of the square accommodation cavity, a placement groove is opened inside the lifting column, a T-shaped shaft is rotatably connected inside the placement groove, and the bottom end of the T-shaped shaft passes through the inner bottom surface of the placement groove and extends to the bottom of the lifting column.

[0011] Further, an adjusting bolt is threadedly penetrated through the bottom of the vertical bearing plate, and the top end of the adjusting bolt is fixedly connected to the bottom end of the T-shaped shaft.

[0012] Further, a metal material plate to be tested penetrates through the first clamping assembly and the second clamping assembly. The metal material plate is fixedly clamped on the first clamping assembly and is slidably connected to the second clamping assembly.

[0013] Compared with the prior art, the following beneficial effects are achieved:

[0014] In the present utility model, the metal material plate to be tested is passed through the second clamping assembly and the first clamping assembly, and then the adjusting bolt is tightened. The adjusting bolt can fixedly clamp the metal material plate to be tested. Then, the second clamping assembly is used to appropriately limit the metal material plate to be tested. Then, the control switch of the driving motor is started, and the driving motor drives the I-shaped rotating shaft, the rotating disc and the eccentric column to rotate. The rotation of the eccentric column can drive the lifting slide plate to perform reciprocating up and down movements, so as to drive the two ends of the metal material plate to be tested to move through the second clamping assembly, thereby realizing the high-frequency fatigue test of the metal material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings described below are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained according to the provided drawings.

[0016] The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the implementation conditions of the present utility model. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present utility model.

[0017] Figure 1 It is a perspective view of a high-frequency fatigue test device for metal materials provided by some embodiments of the present utility model.

[0018] Figure 2 It is a front view of a high-frequency fatigue test device for metal materials provided by some embodiments of the present utility model.

[0019] Figure 3 It is a schematic structural diagram of a fixing mechanism provided by some embodiments of the present utility model.

[0020] Figure 4 It is a schematic structural diagram of a lifting mechanism provided by some embodiments of the present utility model.

[0021] Figure 5 It is a schematic structural diagram of a driving mechanism provided by some embodiments of the present utility model.

[0022] Figure 6 It is a schematic structural diagram of a first clamping assembly provided by some embodiments of the present utility model.

[0023] In the figure: 1. Fixing mechanism; 101. Fixed installation frame; 102. Square through hole; 103. Fixed support plate; 104. Vertical guide post; 105. First clamping assembly; 1051. Vertical bearing plate; 1052. Square accommodating cavity; 1053. Fixed column; 1054. Lifting column; 1055. Placing groove; 1056. T-shaped shaft; 1057. Adjusting bolt; 2. Lifting mechanism; 201. Lifting slide plate; 202. Vertical guide hole; 203. Second clamping assembly; 3. Driving mechanism; 301. Fixed support; 302. I-shaped rotating shaft; 303. Rotating disc; 304. Eccentric column; 305. Driving motor; 306. Motor support. Specific embodiments

[0024] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] As Figures 1 to 6 shown, a high-frequency fatigue test device for a metal material in the first aspect embodiment of the present utility model includes a fixing mechanism 1. A lifting mechanism 2 is slidably connected inside the fixing mechanism 1, and the lifting mechanism 2 is driven by a driving mechanism 3.

[0026] The fixing mechanism 1 includes a fixed mounting frame 101. Square through holes 102 are formed on both sides of the fixed mounting frame 101. A group of fixed support plates 103 are fixedly mounted on a pair of opposite inner walls of the fixed mounting frame 101. A vertical guiding column 104 is fixedly mounted between each group of fixed support plates 103. A first clamping assembly 105 is fixedly mounted on the inner top surface of the fixed mounting frame 101.

[0027] The lifting mechanism 2 includes a lifting sliding plate 201. Vertical guiding holes 202 adapted to the vertical guiding columns 104 are formed at both ends of the lifting sliding plate 201. The vertical guiding columns 104 pass through the vertical guiding holes 202, and the vertical guiding columns 104 are in sliding fit with the vertical guiding holes 202. Second clamping assemblies 203 are fixedly mounted on both sides of the upper surface of the lifting sliding plate 201.

[0028] The driving mechanism 3 includes a fixed support 301. The fixed support 301 is fixedly mounted on the inner bottom surface of the fixed mounting frame 101. An I-shaped rotating shaft 302 is rotatably penetrated through the top of the fixed support 301. A rotating disc 303 is fixedly mounted on the rear side of the I-shaped rotating shaft 302. An eccentric column 304 is fixedly mounted on the rotating disc 303. The eccentric column 304 is located on the lower surface of the lifting sliding plate 201, and the peripheral surface of the eccentric column 304 contacts the lower surface of the lifting sliding plate 201. The I-shaped rotating shaft 302 is driven by a driving motor 305. A motor support 306 is fixedly mounted on the fixed support 301, and the driving motor 305 is fixedly mounted on the motor support 306.

[0029] The structures of the first clamping assembly 105 and the second clamping assembly 203 are the same.

[0030] The first clamping assembly 105 includes a vertical bearing plate 1051. The top surface of the vertical bearing plate 1051 is fixedly connected to the inner top surface of the fixed mounting frame 101. A square accommodating cavity 1052 is formed at the bottom of the vertical bearing plate 1051. A fixed column 1053 is fixedly installed at the inner top of the square accommodating cavity 1052. A lifting column 1054 is slidably connected to the inner bottom of the square accommodating cavity 1052. A placement groove 1055 is formed inside the lifting column 1054. A T-shaped shaft 1056 is rotatably connected inside the placement groove 1055. The bottom end of the T-shaped shaft 1056 passes through the inner bottom surface of the placement groove 1055 and extends to the bottom of the lifting column 1054. An adjusting bolt 1057 is threadedly penetrated through the bottom of the vertical bearing plate 1051. The top end of the adjusting bolt 1057 is fixedly connected to the bottom end of the T-shaped shaft 1056;

[0031] A metal material plate to be tested penetrates through the first clamping assembly 105 and the second clamping assembly 203. The metal material plate is fixedly clamped on the first clamping assembly 105 and is slidably connected to the second clamping assembly 203.

[0032] When using this high-frequency fatigue test device for metal materials, first, the staff passes the metal material plate to be tested through the second clamping assembly 203 and the first clamping assembly 105. Then, tighten the adjusting bolt 1057. The metal material plate to be tested can be fixedly clamped through the adjusting bolt 1057. Then, appropriately limit the metal material plate to be tested through the second clamping assembly 203. Then, start the control switch of the driving motor 305. Drive the I-shaped rotating shaft 302, the rotating disc 303, and the eccentric column 304 to rotate through the driving motor 305. The rotation of the eccentric column 304 can drive the lifting slide plate 201 to perform reciprocating up and down movements, thereby driving the two ends of the metal material plate to be tested to move through the second clamping assembly 203, so as to realize the high-frequency fatigue test of the metal material.

[0033] Although the present invention has been described in detail above with general descriptions and specific embodiments, on the basis of the present invention, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection required by the present invention.

[0034] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of clear narration and are not used to limit the scope of implementation of the present invention. The change or adjustment of their relative relationships shall also be regarded as the scope of implementation of the present invention when there is no substantial change in the technical content.

Claims

1. A high-frequency fatigue testing device for metal materials, comprising a fixing mechanism (1), characterized in that: The fixing mechanism (1) is internally slidably connected to a lifting mechanism (2), and the lifting mechanism (2) is driven by a driving mechanism (3); The fixing mechanism (1) comprises a fixing installation frame (101), both sides of the fixing installation frame (101) are provided with a square through hole (102), a group of fixing support plates (103) are fixedly installed on one opposite inner wall of the fixing installation frame (101), a vertical guide column (104) is fixedly installed between each group of fixing support plates (103), and a first clamping assembly (105) is fixedly installed on the inner top surface of the fixing installation frame (101); The lifting mechanism (2) comprises a lifting slide plate (201), both ends of which are provided with a vertical guide hole (202) adapted to the vertical guide column (104), the vertical guide column (104) passes through the vertical guide hole (202), and the vertical guide column (104) and the vertical guide hole (202) are slidably matched, and a second clamping assembly (203) is fixedly mounted on both sides of the upper surface of the lifting slide plate (201).

2. The high frequency fatigue testing device for metal materials according to claim 1, characterized in that: The driving mechanism (3) comprises a fixed support (301), the fixed support (301) is fixedly mounted on the inner bottom surface of the fixed mounting frame (101), an I-shaped rotating shaft (302) is rotatably penetrated through the top of the fixed support (301), a rotating disk (303) is fixedly mounted on the rear side of the I-shaped rotating shaft (302), an eccentric column (304) is fixedly mounted on the rotating disk (303), the eccentric column (304) is located on the lower surface of the lifting slide plate (201), and the peripheral side surface of the eccentric column (304) is in contact with the lower surface of the lifting slide plate (201), the I-shaped rotating shaft (302) is driven by a driving motor (305), a motor support (306) is fixedly mounted on the fixed support (301), and the driving motor (305) is fixedly mounted on the motor support (306).

3. The high frequency fatigue testing device for metal materials according to claim 2, characterized in that: The first clamping assembly (105) and the second clamping assembly (203) have the same structure.

4. The high frequency fatigue testing device for metal materials according to claim 3, characterized in that: The first clamping assembly (105) comprises a vertical supporting plate (1051), the top surface of the vertical supporting plate (1051) is fixedly connected to the inner top surface of the fixed installation frame (101), the bottom of the vertical supporting plate (1051) is provided with a square accommodating cavity (1052), the top of the inner top of the square accommodating cavity (1052) is fixedly installed with a fixing column (1053), the inner bottom of the square accommodating cavity (1052) is slidably connected with a lifting column (1054), the lifting column (1054) is provided with a placement groove (1055) inside, the placement groove (1055) is rotatably connected with a T-shaped shaft (1056) inside, and the bottom end of the T-shaped shaft (1056) passes through the inner bottom surface of the placement groove (1055) and extends to the bottom of the lifting column (1054).

5. The high frequency fatigue testing device for metal materials according to claim 4, characterized in that: An adjusting bolt (1057) is threaded through the bottom of the vertical bearing plate (1051), and the top end of the adjusting bolt (1057) is fixedly connected to the bottom end of the T-shaped shaft (1056).

6. The high frequency fatigue testing device for metal materials according to claim 5, characterized in that: A metal material plate to be tested is passed through the first clamping component (105) and the second clamping component (203); the metal material plate is fixedly clamped on the first clamping component (105), and the metal material plate is slidably connected to the second clamping component (203).

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