Clamp for measuring tensile strength of copper rod

Abstract

The utility model discloses a clamp for measuring the tensile strength of a copper rod, which comprises a base, seat bodies are symmetrically arranged on the base left and right, one seat body is fixed on the surface of the base, the other seat body is slidably arranged on the surface of the seat body, a hydraulic cylinder is connected to the seat body slidably arranged on the base, and the hydraulic cylinder is connected with the hydraulic cylinder. A tension sensor is connected between the hydraulic cylinder and the seat body; the device is reasonable in structure and novel in design, when the device is used, the motor is started, the motor works to drive the first gear to rotate so as to drive the second gear to rotate, the second gear rotates to drive the rotating shaft to rotate, then the first bevel gear can rotate, the first bevel gear rotates to drive the second bevel gear to rotate, and then the lead screw can rotate in the sleeve. And meanwhile, the clamping plates move along with the clamping plates, clamp the two sides of the copper rod and clamp the copper rod, the hydraulic cylinder is started, the seat body connected with the hydraulic cylinder is made to move, the copper rod is stretched, and the tension can be measured through the tension sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of tensile strength measuring fixtures, in particular to a fixture for measuring the tensile strength of a copper rod. Background Art

[0002] Tensile measurement is to slowly pull a material sample under the action of an axial force until it breaks. The purpose of tensile testing is to determine the yield strength, tensile strength and elongation of the material. During the test, attention should be paid to observing the changes between tension and deformation, and determining the relationship curve between stress and strain to assess the strength grade of the copper rod.

[0003] The clamps of current tensile strength measurement equipment are generally fixed with screws, which works well for the first time. However, as the number of uses increases, the screws need to be rotated more and more times, and the screws and screw holes are deformed. Finally, even if the screws are rotated into place, they cannot fix the copper rod, causing the clamp to loosen and unable to clamp the copper rod, affecting the measurement experiment. Utility Model Content

[0004] In response to the shortcomings of the existing technology, a clamp for measuring the tensile strength of a copper rod is disclosed. The clamp comprises a base, on which two base bodies are symmetrically arranged, one of which is fixed to the surface of the base, and the other of which is slidably arranged on the surface of the base. A hydraulic cylinder is connected to the base body slidably arranged on the base, and a tension sensor is connected between the hydraulic cylinder and the base body.

[0005] A groove is provided on the side surface of the seat body, and a mounting pipe is installed on the side wall of the groove body;

[0006] A fixed structure is provided in the tank body, and the fixed structure includes a motor mounted on the side wall of the seat body, a first gear is mounted on the motor, and the upper and lower ends of the first gear are meshedly connected to the second gear, and a rotating shaft is fixedly mounted on the side wall of the second gear, and the rotating shaft rotates through the seat body, and a first bevel tooth is mounted on the end of the rotating shaft away from the second gear, and the first bevel tooth is meshedly connected to the second bevel tooth, and the second bevel tooth is rotatably mounted on the side wall of the tank body, and a screw rod is fixedly mounted on the second bevel tooth, and a sleeve is spirally sleeved on the screw rod, and a splint is mounted on the sleeve, and the sleeve and the seat body are connected by a telescopic rod.

[0007] Preferably, a protective pad is installed on the splint.

[0008] Preferably, a threaded groove is provided on the side wall of the trough body, a threaded tube matching the threaded groove is installed on the mounting tube, and a vacuum tube is connected to the threaded groove.

[0009] Preferably, the splint is an arc-shaped structure.

[0010] The utility model has the following beneficial effects: the utility model has a reasonable structure and a novel design. When in use, a mounting tube is selected according to the diameter of the copper rod, the mounting tube is installed in the threaded groove, the two ends of the copper rod are respectively inserted into the mounting tube, the vacuum tube is connected to the pump body, and the inside of the mounting tube is vacuumed, so that the copper rod is firmly fixed in the mounting tube under the action of air pressure, and the motor is started. The motor drives the first gear to rotate, thereby driving the second gear to rotate, and the rotation of the second gear drives the rotating shaft to rotate, and then the first bevel gear can be rotated, and the rotation of the first bevel gear drives the second bevel gear to rotate, and then the screw rod can be rotated in the sleeve, thereby driving the sleeve to move, and at the same time, the splint moves accordingly, clamped on both sides of the copper rod, clamped the copper rod, started the hydraulic cylinder, and moved the seat body connected thereto to move, and the copper rod is stretched, and the tension can be measured by the tension sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic front view of the utility model.

[0012] In the figure: 1-base, 2-base body, 3-hydraulic cylinder, 4-tension sensor, 5-trough body, 6-mounting tube, 7-motor, 8-first gear, 9-second gear, 10-rotating shaft, 11-first bevel gear, 12-second bevel gear, 13-screw, 14-sleeve, 15-splint, 16-telescopic rod, 17-protection pad, 18-threaded groove, 19-threaded tube, 20-vacuum tube. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0014] See also Figure 1 、 one A fixture for measuring the tensile strength of a copper rod comprises a base 1, on which base bodies 2 are symmetrically arranged on the left and right sides, one of the base bodies 2 is fixed to the surface of the base 1, and the other base body 2 is slidably arranged on the surface of the base body 2, and the base body 2 slidably arranged on the base 1 is connected to a hydraulic cylinder 3, and a tension sensor 4 is connected between the hydraulic cylinder 3 and the base body 2;

[0015] The hydraulic cylinder 3 can drive the seat body 2 connected thereto to move, and the tension can be measured by the tension sensor 4;

[0016] A groove 5 is formed on the side surface of the base 2, and a mounting tube 6 is installed on the side wall of the groove 5;

[0017] Insert both ends of the copper rod into the mounting tube 6 to provide support.

[0018] A fixed structure is provided in the trough body 5, and the fixed structure includes a motor 7 mounted on the side wall of the base body 2, a first gear 8 is mounted on the motor 7, and the upper and lower ends of the first gear 8 are meshedly connected to the second gear 9, and a rotating shaft 10 is fixedly mounted on the side wall of the second gear 9, and the rotating shaft 10 rotates through the base body 2, and a bearing is embedded in the base body 2, and the rotating shaft 10 is fixedly penetrated through the inner ring of the bearing, and a first bevel gear 11 is mounted on the end of the rotating shaft 10 away from the second gear 9, and the first bevel gear 11 is meshed with the second bevel gear 12, and the second bevel gear 12 is rotatably mounted on the side wall of the trough body 5, and a screw rod 13 is fixedly mounted on the second bevel gear 12, and a sleeve 14 is spirally sleeved on the screw rod 13, and a splint 15 is mounted on the sleeve 14, and the sleeve 14 is connected to the base body 2 by a telescopic rod 16;

[0019] Start the motor 7, and the motor 7 drives the first gear 8 to rotate, thereby driving the second gear 9 to rotate. The rotation of the second gear 9 drives the rotating shaft 10 to rotate, which in turn causes the first bevel gear 11 to rotate. The rotation of the first bevel gear 11 drives the second bevel gear 12 to rotate, which in turn causes the screw rod 13 to rotate in the sleeve 14, thereby driving the sleeve 14 to move. At the same time, the clamping plate 15 moves accordingly, clamping on both sides of the copper rod to clamp the copper rod;

[0020] A protective pad 17 is installed on the splint 15 to prevent the splint 15 from scratching the copper rod;

[0021] The side wall of the tank body 5 is provided with a threaded groove 18, and a threaded tube 19 matching the threaded groove 18 is installed on the mounting tube 6, and a vacuum tube 20 is connected to the threaded groove 18;

[0022] It is convenient to replace the mounting tube 6 and use copper rods of different diameters. When the copper rod is inserted into the mounting tube 6, the vacuum tube 20 is connected to the pump body to vacuum the mounting tube 6. The air pressure in the mounting tube 6 is the same, so that the copper rod is firmly fixed in the mounting tube 6 under the action of the air pressure, thereby playing an auxiliary clamping role.

[0023] The clamping plate 15 is an arc-shaped structure.

[0024] Embodiment: When in use, select the mounting tube 6 according to the diameter of the copper rod, install the mounting tube 6 in the threaded groove 18, insert the two ends of the copper rod into the mounting tube 6 respectively, connect the vacuum tube 20 to the pump body, and evacuate the inside of the mounting tube 6 so that the copper rod is firmly fixed in the mounting tube 6 under the action of air pressure. Start the motor 7, and the motor 7 drives the first gear 8 to rotate, thereby driving the second gear 9 to rotate. The rotation of the second gear 9 drives the rotating shaft 10 to rotate, and then the first bevel gear 11 can be rotated. The rotation of the first bevel gear 11 drives the second bevel gear 12 to rotate, and then the screw rod 13 can be rotated in the sleeve 14, thereby driving the sleeve 14 to move. At the same time, the splint 15 moves accordingly, clamped on both sides of the copper rod, clamped the copper rod, started the hydraulic cylinder 3, and moved the seat body 2 connected thereto to stretch the copper rod. The tension can be measured by the tension sensor 4.

[0025] In the description of this solution, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "communicating" should be understood broadly. For example, they may refer to fixed, removable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; internal communication between two components; and wireless or wired connections. Those skilled in the art will understand the specific meanings of these terms in this disclosure based on specific circumstances.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for measuring the tensile strength of a copper rod, characterized in that: It comprises a base (1), on which base bodies (2) are symmetrically arranged on the left and right sides, one of the base bodies (2) is fixed to the surface of the base (1), and the other base body (2) is slidably arranged on the surface of the base body (2), a hydraulic cylinder (3) is connected to the base body (2) slidably arranged on the base (1), and a tension sensor (4) is connected between the hydraulic cylinder (3) and the base body (2); A groove (5) is provided on the side surface of the seat body (2), and a mounting tube (6) is installed on the side wall of the groove (5); A fixed structure is provided in the trough body (5), and the fixed structure includes a motor (7) mounted on the side wall of the base body (2); a first gear (8) is mounted on the motor (7); the upper and lower ends of the first gear (8) are meshedly connected to the second gear (9); a rotating shaft (10) is fixedly mounted on the side wall of the second gear (9); the rotating shaft (10) rotates through the base body (2); a first bevel tooth (11) is mounted on the end of the rotating shaft (10) away from the second gear (9); the first bevel tooth (11) is meshedly connected to the second bevel tooth (12); the second bevel tooth (12) is rotatably mounted on the side wall of the trough body (5); a screw rod (13) is fixedly mounted on the second bevel tooth (12); a sleeve (14) is spirally sleeved on the screw rod (13); a splint (15) is mounted on the sleeve (14); the sleeve (14) is connected to the base body (2) via a telescopic rod (16).

2. A fixture for measuring the tensile strength of a copper rod according to claim 1, characterized in that: A protective pad (17) is installed on the splint (15).

3. A fixture for measuring the tensile strength of a copper rod according to claim 1, characterized in that: A threaded groove (18) is formed on the side wall of the trough body (5), a threaded tube (19) matching the threaded groove (18) is mounted on the mounting tube (6), and a vacuum tube (20) is connected to the threaded groove (18).

4. A fixture for measuring the tensile strength of a copper rod according to claim 1, characterized in that: The splint (15) is an arc-shaped structure.

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