Fixture for testing tensile strength of glass fibers

Abstract

The utility model belongs to the field of clamps, and particularly relates to a clamp for testing tensile strength of glass fibers, which comprises a base, two stretching seats are slidably mounted at the top of the base, two semi-cylinders are fixedly mounted at the tops of the stretching seats, two driving grooves are formed in the tops of the stretching seats, and driving seats are slidably mounted in the driving grooves. An arc-shaped clamping plate is installed on one side of the driving base and matched with the semi-cylinder, the same threaded rod is rotationally installed on the inner walls of the sides, away from each other, of the two driving grooves, one end of the threaded rod extends to the outer side of the stretching base and is fixedly provided with a rotating plate, and the threaded rod is sleeved with the driving base in a threaded mode; and storage grooves are formed in the sides, close to each other, of the two corresponding semi-cylinders. The glass fiber clamping device is reasonable in design, glass fibers are placed between the two half cylinders and wound on the half bodies, and the purpose of stably clamping and fixing the glass fibers can be achieved through the arc-shaped clamping plates and the clamping seats.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp for testing the tensile strength of glass fibers. Background Art

[0002] Glass rope made of glass fibers has the advantages of good insulation, high temperature resistance, and rust resistance. It can be used to replace steel cables in certain specific occasions.

[0003] At present, the glass fiber sleeve ring tensile strength test fixture disclosed in the Chinese patent announcement with announcement number CN214844433U includes a first clamping block, a second clamping block is provided at the lower end of the first clamping block, a limiting hole is provided on the lower end face of the first clamping block, a limiting column is fixedly connected to the upper end face of the second clamping block, the limiting column is inserted into the interior of the limiting hole, a first fixing groove is provided on the upper end face of the first clamping block, a first fixing block is detachably connected to the interior of the first fixing groove, and a second fixing groove is provided on the lower end face of the second clamping block. The glass fiber sleeve ring tensile strength test fixture can realize a good test of the tensile strength of the glass fiber sleeve ring, and when testing its strength, the glass fiber sleeve ring is clamped inside the first groove and the second groove, and then the first clamping block and the second clamping block are pulled in opposite directions respectively to perform a tensile strength test, which greatly facilitates the test of the tensile strength of the glass fiber sleeve ring.

[0004] In actual use, it was found that the glass filament can be clamped and fixed by the first clamping block and the second clamping block. However, when the strength of the carbon glass filament is tested by the above clamping method, the clamping mouth of the glass filament clamping block may slip, or the glass filament may be pulled out of the two clamping blocks, and the stability of the glass filament may be unstable. Therefore, we proposed a clamp for glass filament tensile strength testing to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a clamp for testing the tensile strength of glass fibers.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A fixture for testing the tensile strength of glass fibers comprises a base, two tensile seats being slidably mounted on the top of the base, two semi-cylinders being fixedly mounted on the top of the tensile seats, two drive slots being defined on the top of the tensile seats, drive seats being slidably mounted in the drive slots, an arc-shaped clamping plate being mounted on one side of the drive seat, and the arc-shaped clamping plate being adapted to fit the semi-cylinders;

[0008] The same threaded rod is rotatably installed on the inner wall of the two driving grooves on the side away from each other, one end of the threaded rod extends to the outside of the stretching seat and is fixedly installed with a rotating plate, and the driving seat is threadedly sleeved on the threaded rod, and the corresponding two semi-cylinders are provided with a receiving groove on the side close to each other, and a clamping seat is placed in the receiving groove.

[0009] Preferably, the threaded rod is provided with two external threads with opposite rotation directions, the driving seat is provided with an internal threaded hole, and the external thread is engaged with the corresponding internal threaded hole.

[0010] Preferably, limiting grooves are provided on the front and rear inner walls of the receiving groove, and limiting seats are fixedly installed on the front and rear sides of the clamping seat, and the limiting seats are slidably connected to the corresponding limiting grooves.

[0011] Preferably, a connecting hole is opened on the inner wall of one side of the receiving groove, and an extrusion seat is fixedly installed on the inner wall of the side where the two arc-shaped clamping plates are close to each other. The extrusion seat is slidably installed in the connecting hole, and the extrusion seat is adapted to the clamping seat.

[0012] Preferably, a rectangular groove is provided on one side of the two corresponding semi-cylinders close to each other, a rectangular seat is slidably installed in the rectangular groove, and the rectangular seat is fixedly connected to the corresponding clamping seat.

[0013] Preferably, spring grooves are provided on the inner walls of the top and bottom of the rectangular grooves, spring seats are slidably installed in the spring grooves, and the spring seats are fixedly connected to the corresponding rectangular seats.

[0014] Preferably, a return spring is fixedly mounted on one side of the spring seat, and one end of the return spring is fixedly mounted on the inner wall of the spring groove.

[0015] Preferably, a movable groove is provided on the top of the base, and the stretching seat is slidably connected to the movable groove. A hydraulic cylinder is fixedly installed on the top of the base, and the output shaft of the hydraulic cylinder is fixedly connected to the corresponding stretching seat.

[0016] Beneficial effects of the utility model:

[0017] 1. Place one end of the glass fiber in the gap between the two semi-cylinders, then rotate the glass fiber and wrap it around the outside of the two semi-cylinders. By rotating the rotating plate, the rotating plate can drive the threaded rod to rotate, and the threaded rod can drive the two drive seats and the arc-shaped clamping plate to move towards each other. The arc-shaped clamping plate can clamp and fix the glass fiber outside the semi-cylinders.

[0018] 2. When the arc-shaped clamping plate moves, the arc-shaped clamping plate can drive the extrusion seat to move, the extrusion seat can push the clamping seat, the extrusion seat can drive the rectangular seat and the spring seat to move, the spring seat can compress the return spring, and the movement of the clamping seat can clamp the glass fiber between the two semi-cylinders, thereby achieving the purpose of stability in clamping and fixing the glass fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a fixture for testing the tensile strength of glass fibers proposed in the present invention;

[0020] Figure 2 This is a schematic diagram of the main structure of a fixture for testing the tensile strength of glass fibers proposed in the present invention;

[0021] Figure 3 This is a schematic structural diagram of part A of a fixture for testing the tensile strength of glass fibers proposed in the present invention;

[0022] Figure 4 This is a structural schematic diagram of part B of a fixture for testing the tensile strength of glass fibers proposed in the present invention.

[0023] In the figure: 1. Base; 2. Moving groove; 3. Stretching seat; 4. Semi-cylinder; 5. Driving groove; 6. Driving seat; 7. Arc-shaped clamping plate; 8. Threaded rod; 9. Rotating plate; 10. Connecting hole; 11. Extrusion seat; 12. Storage groove; 13. Clamping seat; 14. Rectangular groove; 15. Rectangular seat; 16. Spring groove; 17. Spring seat; 18. Return spring; 19. Hydraulic cylinder. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0025] Reference Figure 1-4The top of the base 1 is provided with two stretching seats 3, and the top of the stretching seat 3 is fixedly provided with two semi-cylinders 4. The top of the stretching seat 3 is provided with two driving grooves 5, and a driving seat 6 is slidably installed in the driving groove 5. An arc-shaped clamping plate 7 is installed on one side of the driving seat 6, and the arc-shaped clamping plate 7 is adapted to the semi-cylinder 4. The same threaded rod 8 is rotatably installed on the inner wall of the side where the two driving grooves 5 are away from each other. One end of the threaded rod 8 extends to the outside of the stretching seat 3 and is fixedly installed with a rotating plate 9, and the driving seat 6 is threadedly sleeved on the threaded rod 8. The corresponding two semi-cylinders 4 are provided with a receiving groove 12 on the side close to each other, and a clamping seat 13 is placed in the receiving groove 12. The purpose of clamping and fixing the glass wool between the semi-cylinders 4 can be achieved by providing the clamping seat 13.

[0026] In this embodiment, the threaded rod 8 is provided with two external threads with opposite rotation directions, and the drive seat 6 is provided with an internal threaded hole, and the external thread is engaged with the corresponding internal threaded hole. Since the threaded rod 8 is provided with two external threads with opposite rotation directions, the rotation of the threaded rod 8 can drive the two drive seats 6 to move, and the movement directions of the two drive seats 6 are opposite. Limiting grooves are provided on the front and rear inner walls of the storage groove 12, and limiting seats are fixedly installed on the front and rear sides of the clamping seat 13, and the limiting seats are slidably connected to the corresponding limiting grooves. By setting the limiting grooves and the limiting seats, the clamping seat 13 can be guided, thereby achieving the purpose of stable movement of the clamping seat 13.

[0027] In this embodiment, a connecting hole 10 is opened on the inner wall of one side of the storage groove 12, and an extrusion seat 11 is fixedly installed on the inner wall of the side where the two arc-shaped clamping plates 7 are close to each other. The extrusion seat 11 is slidably installed in the connecting hole 10, and the extrusion seat 11 is adapted to the clamping seat 13. By providing the clamping seat 13, one side of the clamping seat 13 can realize the extrusion of the clamping seat 13, so that the clamping seat 13 moves.

[0028] In this embodiment, a rectangular groove 14 is provided on the side where the two corresponding half cylinders 4 are close to each other, and a rectangular seat 15 is slidably installed in the rectangular groove 14, and the rectangular seat 15 is fixedly connected to the corresponding clamping seat 13. Spring grooves 16 are provided on the top and bottom inner walls of the rectangular groove 14, and a spring seat 17 is slidably installed in the spring groove 16, and the spring seat 17 is fixedly connected to the corresponding rectangular seat 15. A return spring 18 is fixedly installed on one side of the spring seat 17, and one end of the return spring 18 is fixedly installed on the inner wall of the spring groove 16. By providing the return spring 18, the return spring 18 can push the clamping seat 13 to reset.

[0029] In this embodiment, a movable groove 2 is provided on the top of the base 1, and the stretching seat 3 is slidingly connected to the movable groove 2. A hydraulic cylinder 19 is fixedly installed on the top of the base 1, and the output shaft of the hydraulic cylinder 19 is fixedly connected to the corresponding stretching seat 3. By providing the hydraulic cylinder 19, the hydraulic cylinder 19 can drive the stretching seat 3 to move.

[0030] In the present invention, one end of the glass fiber is placed in the gap between the two semi-cylinders 4, and then the glass fiber is rotated and wrapped around the outside of the two semi-cylinders 4. By rotating the rotating plate 9, the rotating plate 9 can drive the threaded rod 8 to rotate, and the threaded rod 8 can drive the two driving seats 6 and the arc-shaped clamping plate 7 to move in the direction of approaching each other. The arc-shaped clamping plate 7 can clamp and fix the glass fiber on the outside of the semi-cylinder 4. When the arc-shaped clamping plate 7 moves, the arc-shaped clamping plate 7 can drive the extrusion seat 11 to move, and the extrusion seat 11 can push the clamping seat 13. The extrusion seat 11 can drive the rectangular seat 15 and the spring seat 17 to move, and the spring seat 17 can compress the return spring 18. The movement of the clamping seat 13 can clamp the glass fiber between the two semi-cylinders 4, thereby achieving the purpose of stability in clamping and fixing the glass fiber.

[0031] The above describes in detail the glass fiber tensile strength test fixture provided by the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above examples is intended only to facilitate understanding of the method and core concept of the present invention. It should be noted that those skilled in the art may make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications fall within the scope of protection of the claims of the present invention.

Claims

1. A fixture for testing the tensile strength of glass fibers, characterized in that: The invention comprises a base (1), two stretching seats (3) are slidably mounted on the top of the base (1), two semi-cylinders (4) are fixedly mounted on the top of the stretching seat (3), two driving grooves (5) are provided on the top of the stretching seat (3), a driving seat (6) is slidably mounted in the driving groove (5), an arc-shaped clamping plate (7) is mounted on one side of the driving seat (6), and the arc-shaped clamping plate (7) is adapted to the semi-cylinder (4); A same threaded rod (8) is rotatably mounted on the inner wall of the two driving grooves (5) on the side away from each other, one end of the threaded rod (8) extends to the outside of the stretching seat (3) and is fixedly mounted with a rotating plate (9), and the driving seat (6) is threadedly sleeved on the threaded rod (8), and the two corresponding semi-cylinders (4) are provided with a receiving groove (12) on the side close to each other, and a clamping seat (13) is placed in the receiving groove (12).

2. A fixture for testing the tensile strength of glass fibers according to claim 1, characterized in that: The threaded rod (8) is provided with two external threads with opposite rotation directions, the driving seat (6) is provided with an internal threaded hole, and the external thread is engaged with the corresponding internal threaded hole.

3. A fixture for testing the tensile strength of glass fibers according to claim 1, characterized in that: Limiting grooves are provided on the front and rear inner walls of the receiving groove (12), and limiting seats are fixedly installed on the front and rear sides of the clamping seat (13), and the limiting seats are slidably connected to the corresponding limiting grooves.

4. A fixture for testing the tensile strength of glass fibers according to claim 1, characterized in that: A connecting hole (10) is provided on the inner wall of one side of the receiving groove (12), and an extrusion seat (11) is fixedly installed on the inner wall of the side where the two arc-shaped clamping plates (7) are close to each other. The extrusion seat (11) is slidably installed in the connecting hole (10), and the extrusion seat (11) is adapted to the clamping seat (13).

5. The fixture for testing the tensile strength of glass fibers according to claim 1, wherein: A rectangular groove (14) is provided on one side of the two corresponding semi-cylinders (4) close to each other. A rectangular seat (15) is slidably installed in the rectangular groove (14), and the rectangular seat (15) is fixedly connected to the corresponding clamping seat (13).

6. A fixture for testing the tensile strength of glass fibers according to claim 5, characterized in that: The top and bottom inner walls of the rectangular groove (14) are both provided with spring grooves (16), a spring seat (17) is slidably installed in the spring groove (16), and the spring seat (17) is fixedly connected to the corresponding rectangular seat (15).

7. A fixture for testing the tensile strength of glass fibers according to claim 6, characterized in that: A return spring (18) is fixedly mounted on one side of the spring seat (17), and one end of the return spring (18) is fixedly mounted on the inner wall of the spring slot (16).

8. The fixture for testing the tensile strength of glass fibers according to claim 1, wherein: A movable groove (2) is provided on the top of the base (1), and a stretching seat (3) is slidably connected to the movable groove (2). A hydraulic cylinder (19) is fixedly installed on the top of the base (1), and an output shaft of the hydraulic cylinder (19) is fixedly connected to the corresponding stretching seat (3).

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