A tensile machine clamp

Abstract

The utility model provides a kind of tension machine clamp, belong to clamp technical field, including support subassembly;The support subassembly includes: side plate one and side plate two, the side plate one is located in the side of side plate two;Supporting pull roller is equipped at the top central position of side plate one and side plate two;And support subassembly is equipped on side plate one and side plate two;Wherein, the support subassembly includes: rear support plate is equipped on the outer wall of side plate one side;Front support plate is equipped on the outer wall of side plate two side;Winding restraint component is equipped between the rear support plate and front support plate;The utility model utilizes the tension generated when detecting tension machine makes cable gradually extrudes spring steel sheet one and spring steel sheet two, extrudes cable using spring steel sheet one and spring steel sheet two after pressure deformation, so that one end of cable is gradually clamped, on the other hand makes the clamping place of cable away from stress point, effectively avoid that cable structure is destroyed to cause fracture caused by clamping too tight.

Description

Technical Field

[0001] This utility model belongs to the field of clamping technology, specifically relating to a clamping fixture for a tensile testing machine. Background Technology

[0002] Tensile testing machines are used to test the properties of various materials. For example, when using a tensile testing machine to test mechanical properties, clamps are installed on the tensile testing machine to hold the workpiece.

[0003] However, when performing tensile testing on wires and cables, traditional tensile testing machines use clamps to hold both ends of the wires and cables for testing. If the clamps are too loose, the cables may loosen and fall off. If the clamps are too tight, the wires and cables may be damaged, causing them to break directly at the clamps, making it difficult to test their mechanical properties.

[0004] Therefore, a tensile testing machine clamp is proposed. Summary of the Invention

[0005] This utility model provides a tensile testing machine clamp, the purpose of which is to solve the problems mentioned above.

[0006] This utility model provides a tension machine clamp, including a support assembly; the support assembly includes: a first side plate and a second side plate, the first side plate being located on one side of the second side plate; a support roller disposed at the top center of the first and second side plates; and a support assembly disposed on the first and second side plates; wherein the support assembly includes: a rear support plate disposed on the outer wall of one side of the first side plate; a front support plate disposed on the outer wall of one side of the second side plate; and a winding restraint assembly disposed between the rear support plate and the front support plate; wherein the winding restraint assembly includes: an arc hole 1, an arc hole 2, and an arc hole 3 axially formed on the outer wall of the roller, the arc hole 2 being located between the arc hole 1 and the arc hole 3; and a spring steel sheet 1 and a spring steel sheet 2 disposed on the outer wall of the roller near the outer ends of the arc hole 1, the arc hole 2, and the arc hole 3 respectively, the spring steel sheet 1 being located on one side of the spring steel sheet 2.

[0007] Furthermore, a docking platform is provided in the center of the outer wall of the opposite side of side plate one and side plate two, and a mounting platform is provided in the center of the top of side plate one and side plate two.

[0008] Furthermore, a rib is provided on the inner side wall of the rear support plate, and a rear support column is provided on one outer side wall of the rear support plate, and a front support column is provided on one outer side wall of the front support plate. The other ends of the rear support column and the front support column are both fixedly connected to the circular roller.

[0009] Furthermore, the cross-section of the supporting roller is an "I" shaped structure, and an arc groove is axially formed on the outer side wall of the supporting roller;

[0010] By adopting the above technical solution, the cable can be limited by the "I"-shaped support roller to prevent cable misalignment, and the arc groove can increase the contact area with the cable, realizing point contact to surface contact, thereby avoiding cable breakage due to a single point of force.

[0011] Furthermore, the inner diameters of the first, second, and third arc holes increase sequentially from small to large.

[0012] By adopting the above technical solution, cables of different specifications can be clamped and fixed.

[0013] Furthermore, the cross-sections of both the first and second spring steel sheets are circular arc-shaped;

[0014] By adopting the above technical solution, it is easy for spring steel sheet one and spring steel sheet two to adhere to the outer wall of the cable.

[0015] Furthermore, the cross-section of the rear support plate is L-shaped;

[0016] By adopting the above technical solution, misaligned support can be achieved through the L-shaped rear support plate.

[0017] The beneficial effects of this utility model are as follows:

[0018] This invention utilizes the cooperation of a support roller and a circular roller. On one hand, it uses the friction generated by the winding of the cable itself to achieve initial fixation. On the other hand, the tensile force generated during the tensile testing causes the cable to gradually squeeze the first and second spring steel sheets. The deformation of the first and second spring steel sheets under pressure further compresses the cable, gradually clamping one end of the cable. This also keeps the clamping point of the cable away from the force point, effectively preventing the cable structure from being damaged and broken due to excessive clamping, thus ensuring the accuracy of the cable tensile performance test.

[0019] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0022] Figure 2This is a schematic diagram of the support component structure according to an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the support component structure according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the winding and binding assembly structure according to an embodiment of the present utility model;

[0025] Reference numerals: 1. Support assembly; 11. Side plate one; 12. Side plate two; 13. Docking platform; 14. Mounting platform; 2. Support roller; 3. Support assembly; 31. Rear support plate; 32. Front support plate; 33. Rib plate; 34. Rear support column; 35. Front support column; 4. Winding restraint assembly; 41. Circular roller; 42. Arc hole one; 43. Arc hole two; 44. Arc hole three; 45. Spring steel sheet one; 46. Spring steel sheet two. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] Reference Figure 1-4 This utility model embodiment proposes a tensile testing machine clamp, including a support assembly 1. The support assembly 1 includes a side plate 11 and a side plate 12. The side plate 11 is located on one side of the side plate 12, and a docking platform 13 is provided at the center of the outer wall of the side facing the side plate 11 and the side plate 12. A mounting platform 14 is provided at the center of the top of the side plate 11 and the side plate 12.

[0028] A support roller 2 is rotatably connected between side plate 11 and side plate 2 near the mounting platform 14. The cross-section of the support roller 2 is an "I" shaped structure, and an arc groove is axially opened on the outer side wall of the support roller 2. The "I" shaped support roller 2 can limit the cable and prevent the cable from being misaligned. The arc groove can increase the contact area with the cable, realizing point contact to surface contact, thereby avoiding the cable from breaking due to a single stress point.

[0029] A rear support plate 31 of the support assembly 3 is provided on the outer wall of the side plate 11 away from the side plate 2 12. The cross-section of the rear support plate 31 is L-shaped. Through the L-shaped rear support plate 31, staggered support can be achieved. A front support plate 32 is provided on the outer wall of the side plate 2 12 away from the side plate 11. A rib plate 33 is provided at the bend of the inner side wall of the rear support plate 31. A rear support column 34 is provided on one side of the outer wall of the rear support plate 31. A front support column 35 is provided on one side of the outer wall of the front support plate 32.

[0030] A circular roller 41 of the winding and binding assembly 4 is provided between one end of the rear support column 34 and the front support column 35. The outer wall of the circular roller 41 is provided with arc hole 1 42, arc hole 2 43 and arc hole 3 44 in sequence along the axial direction. The inner diameter of arc hole 1 42, arc hole 2 43 and arc hole 3 44 increases in sequence, which can clamp and fix cables of different specifications. Arc hole 2 43 is located between arc hole 1 42 and arc hole 3 44. Spring steel sheet 1 45 and spring steel sheet 2 46 are provided on the outer wall of the circular roller 41 near the outer side of arc hole 1 42, arc hole 2 43 and arc hole 3 44. Spring steel sheet 1 45 is located on one side of spring steel sheet 2 46. The cross-section of spring steel sheet 1 45 and spring steel sheet 2 46 is arc-shaped, which makes it easy for spring steel sheet 1 45 and spring steel sheet 2 46 to fit against the outer wall of the cable.

[0031] The specific implementation method is as follows: When performing tensile testing on the cable, the clamp is fixed at the fixed end and the moving end of the tensile testing machine respectively. When clamping the cable, one end of the cable is passed between the side plate 11 and the side plate 2, and wrapped around the supporting pull roller 2. The cable is wound on the circular roller 41. After the cable is wound several times, the cable is inserted and passed through the circular arc hole 1 42, circular arc hole 2 43 or circular arc hole 3 44 that are compatible with its specifications.

[0032] After the two ends of the cable are fixed, the moving end of the tensile testing machine moves away from the fixed end, and the cable is pulled. As the cable is pulled, the cable wound on the roller 41 is gradually tightened. As the tension gradually increases, the cable compresses the spring steel sheet 45 and the spring steel sheet 46 to deform. After the spring steel sheet 45 and the spring steel sheet 46 are deformed under pressure, they compress the cable, and one end of the cable is gradually clamped, thus fixing the cable and preventing the cable from breaking at the clamping point, ensuring the accuracy of the cable tensile performance test.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tensile testing machine fixture, characterized in that: including a supporting component (1); The supporting component (1) includes: a first side plate (11) and a second side plate (12), the first side plate (11) being located on one side of the second side plate (12); a supporting roller (2) provided at the central position on the tops of the first side plate (11) and the second side plate (12); and a supporting component (3) provided on the first side plate (11) and the second side plate (12); wherein, the supporting component (3) includes: a rear support plate (31) provided on the outer wall of one side of the first side plate (11); a front support plate (32) provided on the outer wall of one side of the second side plate (12); a winding and binding component (4) provided between the rear support plate (31) and the front support plate (32); wherein, the winding and binding component (4) includes: a round roller (41) an arc hole one (42), an arc hole two (43) and an arc hole three (44) axially opened on the outer wall of the round roller (41), the arc hole two (43) being located between the arc hole one (42) and the arc hole three (44); a first spring steel sheet (45) and a second spring steel sheet (46) provided on the outer wall of the round roller (41) respectively near the two outer ends of the arc hole one (42), the arc hole two (43) and the arc hole three (44), the first spring steel sheet (45) being located on one side of the second spring steel sheet (46).

2. The tensile machine fixture according to claim 1, characterized in that: A docking platform (13) is provided at the center of the opposite outer walls of the first side plate (11) and the second side plate (12), and a mounting platform (14) is provided at the center of the tops of the first side plate (11) and the second side plate (12).

3. A tensile testing machine fixture according to claim 1, characterized in that: A rib plate (33) is provided on the inner wall of the rear support plate (31), a rear support column (34) is provided on the outer wall of one side of the rear support plate (31), a front support column (35) is provided on the outer wall of one side of the front support plate (32), and the other ends of the rear support column (34) and the front support column (35) are fixedly connected to the round roller (41).

4. A tensile testing machine fixture according to claim 1, wherein: The cross-section of the supporting roller (2) is an "I" - shaped structure, and an arc groove is axially opened on the outer wall of the supporting roller (2).

5. The tensile machine fixture according to claim 1, wherein: The inner diameters of the arc hole one (42), the arc hole two (43) and the arc hole three (44) are sequentially increased from small to large.

6. The tensile machine fixture according to claim 1, wherein: The cross-sections of the first spring steel sheet (45) and the second spring steel sheet (46) are both arc-shaped.

7. A tensile testing machine fixture according to claim 1, characterized in that: The cross-section of the rear support plate (31) is an L - shaped structure.

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