CN212964377U

CN212964377U - Measure device of fibre mechanical properties

Info

Publication number: CN212964377U
Application number: CN202021708140.1U
Authority: CN
Inventors: 夏群艳
Original assignee: Shenzhen Huajing Technology Co ltd
Current assignee: Shenzhen Huajing Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-04-13
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a technical field is measured to the fibre, and a measure device of fibre mechanical properties is disclosed, including bottom plate, two fixed columns and walking beam, the top of bottom plate and the bottom fixed connection of fixed column, the left end of walking beam and the inside swing joint of left side fixed column, the right-hand member of walking beam and the inside swing joint of right side fixed column, the equal swing joint in top of bottom plate and the bottom of walking beam has the fibre anchor clamps. This measure device of fibre mechanical properties, through the mutually supporting between fixing base, double threaded rod, activity pincers body, ratchet, pawl, rotation knob, spout and the slide, can drive the double threaded rod rotation through twisting the rotation knob to the activity pincers body synchronous phase shift of messenger's the left and right sides is tight until pressing from both sides the tow clamp, has reached when tensile, prevents the effect that the fibre draws to one side, has solved traditional fiber fixture behind centre gripping fibre both ends, and the fibre is difficult to the problem of centering.

Description

Measure device of fibre mechanical properties

Technical Field

The utility model relates to a fibre measures technical field, specifically is a measure fibrous mechanical properties's device.

Background

The tensile property of the fiber is an important index in the mechanical property of the fiber. The tensile strength of the fiber is tensile strength of hundreds of newtons per square millimeter, the tensile strength of the fiber can reach thousands of newtons per square millimeter, the performance is good, the tensile strength of the fiber directly determines the overall strength of the fiber product, the tensile strength of the fiber is generally determined by fiber tensile performance experiments, the single fiber is stretched to be broken on a constant-speed elongation type stretching instrument under specified conditions, the measured values of tensile properties such as tensile strength of a sample are obtained from a load-elongation curve or data display acquisition system, but the fiber clamp used by the traditional constant-speed elongation type stretching instrument generally only can ensure that the fiber is fastened, the two ends of the fiber clamped by the clamp are concentric and coaxial, and the positions clamped by the clamp at the two ends of the fiber can be dislocated and are not on the same straight line, finally, the fiber is in a diagonal state when being stretched, so that the experimental result is influenced, and the data have errors.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a measure device of fibre mechanical properties possesses when carrying out tensile experiment, prevents that the fibre from being stayed advantage to one side, has solved traditional fiber holder utensil at centre gripping fibre both ends, the difficult problem of centering of fibre.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the device for measuring the mechanical property of the fiber comprises a bottom plate, two fixed columns and a moving beam, wherein the top of the bottom plate is fixedly connected with the bottom ends of the fixed columns, the left end of the moving beam is movably connected with the inside of the fixed column on the left side, the right end of the moving beam is movably connected with the inside of the fixed column on the right side, the top of the bottom plate and the bottom of the moving beam are both movably connected with a fiber clamp, the fiber clamp comprises a fixed seat, a double threaded rod, two movable caliper bodies, a ratchet wheel, a pawl, a rotating knob, a sliding groove and a sliding way, the side surface of the double threaded rod is movably connected with the inside of the fixed seat, the side surface of the double threaded rod is connected with the inside of the movable caliper bodies through threads, the side surface of the double threaded rod is fixedly connected.

The side surface of the pawl is movably connected with the side surface of the ratchet wheel, the right end of the double-threaded rod is fixedly connected with the left side of the rotating knob, the sliding groove is located inside the fixing seat, the sliding rail is located inside the fixing seat, the movable vice body comprises a fixed jaw, a limiting column, an extension spring, a support plate and a pulley, the side surface of the double-threaded rod is movably connected with the inside of the fixed jaw, the side surface of the limiting column is movably connected with the inside of the fixed jaw, the bottom end of the limiting column is fixedly connected with the top of the support plate, the top end of the extension spring is fixedly connected with the bottom of the fixed jaw, the bottom end of the extension spring is fixedly connected with the top of the support plate, the side surface of the limiting column is movably connected with the inside of the extension spring, and the support plate is movably connected.

Preferably, the side surface of the pulley is movably connected with the inner top wall of the sliding groove, and the front side and the rear side of the abutting plate are movably connected with the inner wall of the sliding way.

Preferably, the bottom fixedly connected with screw thread post of fixing base, the bottom fixedly connected with joint post of screw thread post, the pinhole has been seted up to the inside of joint post.

Preferably, the inside fixedly connected with bearing of fixing base, the side surface of double threaded rod and the inside fixed connection of bearing.

Preferably, the bottom of the bottom plate is in threaded connection with a leveling bolt, a leveling knob is fixedly sleeved on the side surface of the leveling bolt, and a base is in threaded connection with the side surface of the leveling bolt.

Preferably, the base is located on the lower side of the bottom plate, and the horizontal air bubbles are fixedly connected to the front side of the bottom plate.

Compared with the prior art, the utility model provides a measure device of fibre mechanical properties possesses following beneficial effect:

1. this measure device of fibre mechanical properties, through the mutually supporting between fixing base, double threaded rod, activity pincers body, ratchet, pawl, rotation knob, spout and the slide, can drive the double threaded rod rotation through twisting the rotation knob to the activity pincers body synchronous phase shift of messenger's the left and right sides is tight until pressing from both sides the tow clamp, has reached when tensile, prevents the effect that the fibre draws to one side, has solved traditional fiber fixture behind centre gripping fibre both ends, and the fibre is difficult to the problem of centering.

2. According to the device for measuring the mechanical property of the fiber, the leveling bolt, the leveling knob, the base and the horizontal air bubble are matched with each other, and the leveling knob can be rotated to drive the leveling bolt to rotate, so that the base plate is lifted and inclined, the effect of conveniently adjusting the level is achieved, and the problem that the test effect is influenced when the stretching instrument is not horizontally installed is solved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the fiber clamp of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a side sectional view of the fixing base of the present invention;

fig. 5 is a side view of the fixing base of the present invention.

Wherein: 1. a base plate; 2. fixing a column; 3. a moving beam; 4. a fiber clamp; 5. a fixed seat; 6. a double threaded rod; 7. a movable clamp body; 8. a ratchet wheel; 9. a pawl; 10. rotating the knob; 11. a chute; 12. a slideway; 13. fixing the jaw; 14. a limiting column; 15. an extension spring; 16. a resisting plate; 17. a pulley; 18. a bearing; 19. leveling bolts; 20. a leveling knob; 21. a base; 22. horizontal bubbles.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a device for measuring fiber mechanical properties comprises a bottom plate 1, two fixed columns 2 and a movable beam 3, wherein the bottom of the bottom plate 1 is in threaded connection with a leveling bolt 19, the side surface of the leveling bolt 19 is fixedly sleeved with a leveling knob 20, the leveling knob 20 can drive the leveling bolt 19 to rotate, so that the connection part of the bottom plate 1 in threaded connection with the leveling bolt is raised or lowered to achieve a leveling effect, the side surface of the leveling bolt 19 is in threaded connection with a base 21, the base 21 is positioned at the lower side of the bottom plate 1, the front side of the bottom plate 1 is fixedly connected with a horizontal bubble 22, the leveling bolt 19, the leveling knob 20, the base 21 and the horizontal bubble 22 are matched with each other, so that the leveling bolt 19 can be driven to rotate by rotating the leveling knob 20, so that the bottom plate 1 is lifted and inclined, the effect of conveniently adjusting the level is achieved, and the problem that the, the top of bottom plate 1 and the bottom fixed connection of fixed column 2, the left end of walking beam 3 and the inside swing joint of left side fixed column 2, the right-hand member of walking beam 3 and the inside swing joint of right side fixed column 2, the equal swing joint in top of bottom plate 1 and the bottom of walking beam 3 has fibre anchor clamps 4.

The fiber clamp 4 comprises a fixed seat 5, a double-thread rod 6, two movable clamp bodies 7, a ratchet 8, a pawl 9, a rotating knob 10, a sliding groove 11 and a sliding way 12, wherein the two movable clamp bodies 7 are symmetrically distributed by taking the center of the fixed seat 5 as a symmetry axis, a thread column is fixedly connected to the bottom of the fixed seat 5, a clamping column is fixedly connected to the bottom end of the thread column, a pin hole is formed in the clamping column, the side surface of the double-thread rod 6 is movably connected with the inside of the fixed seat 5, two threads in the same direction and in the opposite direction are formed in the side surface of the double-thread rod 6, when two nuts with opposite threads are connected to the thread on the double-thread rod 6, the two nuts can move relatively, a bearing 18 is fixedly connected to the inside of the fixed seat 5, the side surface of the double-thread rod 6 is fixedly connected with the inside of the bearing 18, and, the side surface of the double-threaded rod 6 is fixedly connected with the inside of the ratchet wheel 8, and the right side of the fixed seat 5 is movably connected with the inside of the pawl 9.

The side surface of the pawl 9 is movably connected with the side surface of the ratchet wheel 8, the pawl 9 plays a role in preventing the ratchet wheel 8 from reversely rotating, the right end of the double-thread rod 6 is fixedly connected with the left side of the rotating knob 10, the sliding chute 11 is positioned inside the fixed seat 5, the sliding chute 12 is positioned inside the fixed seat 5, the double-thread rod 6, the movable caliper body 7, the ratchet wheel 8, the pawl 9, the rotating knob 10, the sliding chute 11 and the sliding chute 12 are mutually matched, the rotating knob 10 can be screwed to drive the double-thread rod 6 to rotate, so that the movable caliper bodies 7 on the left side and the right side synchronously move in opposite directions until a fiber bundle is clamped, the effect of preventing the fiber from being obliquely pulled is achieved during stretching, the problem that the fiber is difficult to be centered after the two ends of the traditional fiber clamp are clamped is solved, the movable caliper body 7 comprises a fixed jaw 13, a limiting column 14, the side surface of the double-threaded rod 6 is movably connected with the inside of the fixed jaw 13, the side surface of the limit column 14 is movably connected with the inside of the fixed jaw 13, the bottom end of the limit column 14 is fixedly connected with the top of the abutting plate 16, the top end of the extension spring 15 is fixedly connected with the bottom of the fixed jaw 13, the bottom end of the extension spring 15 is fixedly connected with the top of the abutting plate 16, the side surface of the limit column 14 is movably connected with the inside of the extension spring 15, the abutting plate 16 is movably connected with the axle center of the pulley 17 through the abutting column, the side surface of the pulley 17 is movably connected with the inner top wall of the chute 11, the side surface of the pulley 17 is always in abutting state with the inner top wall of the chute 11, the extension spring 15 is always in extending state, the front side and the back side of the abutting plate 16 are movably connected with the inner wall of the chute 12, the limit column 14, the extension spring 15, the abutting plate 16, the pulley, the fixed jaw 13 is kept stable all the time when moving, and is prevented from shaking and loosening when moving.

When the fiber bundle clamping device is used, the rotating knob 10 is firstly screwed to drive the double-threaded rod 6 to rotate, because the side surface of the double-threaded rod 6 is fixedly connected with the bearing 18 fixed in the fixed seat 5, the double-threaded rod 6 can rotate in situ, when the double-threaded rod 6 rotates, the movable caliper bodies 7 on the left side and the right side synchronously and relatively move, when the fixed jaws 13 of the movable caliper bodies 7 on the left side and the right side are close to each other, a hand-held fiber bundle is placed in the gap, then the rotating knob 10 is continuously rotated until the movable caliper bodies 7 on the left side and the right side clamp the fiber bundle, when the double-threaded rod 6 rotates, the pawl 9 movably connected on the left side of the fixed seat 5 can slide relative to the edge of the ratchet wheel 8, when the double-threaded rod 6 stops rotating, the pawl 9 can be clamped with the edge of the ratchet wheel 8 to prevent the double-threaded rod 6 from reversely rotating, and finally, two fiber clamps 4 fixedly connected, in order to carry out tensile strength tests of the fibers.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a measure fibrous mechanical properties's device, includes bottom plate (1), two fixed columns (2) and walking beam (3), its characterized in that: the top of the bottom plate (1) is fixedly connected with the bottom ends of the fixed columns (2), the left end of the moving beam (3) is movably connected with the inside of the left fixed column (2), the right end of the moving beam (3) is movably connected with the inside of the right fixed column (2), the top of the bottom plate (1) and the bottom of the moving beam (3) are both movably connected with a fiber clamp (4), the fiber clamp (4) comprises a fixed seat (5), a double-threaded rod (6), two movable caliper bodies (7), a ratchet wheel (8), a pawl (9), a rotating knob (10), a sliding chute (11) and a sliding way (12), the side surface of the double-threaded rod (6) is movably connected with the inside of the fixed seat (5), the side surface of the double-threaded rod (6) is connected with the inside of the movable caliper bodies (7) through threads, and the side surface of the double-threaded rod (6) is fixedly connected with the inside of, the right side of the fixed seat (5) is movably connected with the inside of the pawl (9);

the side surface of the pawl (9) is movably connected with the side surface of the ratchet wheel (8), the right end of the double-threaded rod (6) is fixedly connected with the left side of the rotating knob (10), the sliding chute (11) is positioned inside the fixed seat (5), the slide way (12) is positioned inside the fixed seat (5), the movable caliper body (7) comprises a fixed jaw (13), a limiting column (14), an extension spring (15), a resisting plate (16) and a pulley (17), the side surface of the double-threaded rod (6) is movably connected with the inside of the fixed jaw (13), the side surface of the limiting column (14) is movably connected with the inside of the fixed jaw (13), the bottom end of the limiting column (14) is fixedly connected with the top of the resisting plate (16), the top end of the extension spring (15) is fixedly connected with the bottom of the fixed jaw (13), and the bottom end of the extension spring (15) is fixedly connected with the top of the resisting plate (16), the side surface of the limiting column (14) is movably connected with the interior of the extension spring (15), and the abutting plate (16) is movably connected with the axle center of the pulley (17) through the abutting column.

2. The apparatus for measuring mechanical properties of fibers of claim 1, wherein: the side surface of the pulley (17) is movably connected with the inner top wall of the sliding groove (11), and the front side and the rear side of the abutting plate (16) are movably connected with the inner wall of the sliding way (12).

3. The apparatus for measuring mechanical properties of fibers of claim 1, wherein: the bottom fixedly connected with screw thread post of fixing base (5), the bottom fixedly connected with joint post of screw thread post, the pinhole has been seted up to the inside of joint post.

4. The apparatus for measuring mechanical properties of fibers of claim 1, wherein: the inside fixed connection of fixing base (5) has bearing (18), the inside fixed connection of the side surface of double threaded rod (6) and bearing (18).

5. The apparatus for measuring mechanical properties of fibers of claim 1, wherein: the bottom of the bottom plate (1) is in threaded connection with a leveling bolt (19), a leveling knob (20) is fixedly sleeved on the side surface of the leveling bolt (19), and a base (21) is in threaded connection with the side surface of the leveling bolt (19).

6. The apparatus for measuring mechanical properties of fibers of claim 5, wherein: the base (21) is positioned on the lower side of the bottom plate (1), and the front side of the bottom plate (1) is fixedly connected with a horizontal bubble (22).