CN215262797U

CN215262797U - Fixing mechanism of tensile testing device

Info

Publication number: CN215262797U
Application number: CN202120346581.XU
Authority: CN
Inventors: 贺茂盛
Original assignee: Shenzhen Asia Testing Technology Service Co ltd
Current assignee: Shenzhen Asia Testing Technology Service Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-21
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a tensile test device's fixed establishment, including material, locating lever, riser and the more than one clamping mechanism that the area detected, clamping mechanism all includes fixed block and grip block, and the grip block all is "L" type structure setting, and grip block one end is all installed on the fixed block through the hinge, all forms a clamping groove between grip block and the fixed block, and the material both ends all insert in the clamping groove to it is fixed all through grip block and fixed block centre gripping, all installs solid fixed ring on the lateral surface of grip block, and the locating lever passes solid fixed ring down one by one from last. The utility model discloses simple structure, the material both ends insert in the tight groove of clamp to insert the locating lever downwards, make the locating lever pass solid fixed ring and insert the locating hole, the locating lever through the location can effectually support solid fixed ring and pinch-off blades, has avoided the pinch-off blades to outwards open, thereby can effectually press from both sides the fastening with the material and decide, otherwise, extracts the locating lever and just can open the pinch-off blades, has increased the convenience.

Description

Fixing mechanism of tensile testing device

Technical Field

The utility model relates to a test technical field, concretely relates to tensile test device's fixed establishment.

Background

The tensile tester is used for a mechanical stress tester for mechanical property tests such as static load, stretching, compression, bending, shearing, tearing, peeling and the like of instrument equipment aiming at various materials, is suitable for various physical and mechanical property tests of materials such as plastic plates, pipes, profiled bars, plastic films, rubber, electric wires and cables, steel, glass fiber and the like, is material development, and is indispensable detection equipment for physical property tests, teaching research, quality control and the like.

At present, the clamping of the testing device to the material is troublesome, the clamping of the clamp is tight by rotating the adjusting screw rods at two ends, but the number of rotating turns is more, the disassembly and the assembly are more required to rotate, the testing times of the material is larger, and the assembly and disassembly efficiency is greatly reduced due to continuous rotation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a fixing mechanism of tensile test device is provided to solve the problem of proposing among the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a fixing mechanism of a tensile testing device comprises a material with detection, a positioning rod, a vertical plate and more than one clamping mechanism, the clamping mechanisms comprise fixed blocks and clamping plates, the clamping plates are arranged in an L-shaped structure, one ends of the clamping plates are arranged on the fixed blocks through hinges, clamping grooves are formed between the clamping plates and the fixed blocks, convex parts with arc-shaped structures are formed by outwards protruding the inner side surfaces of the clamping plates, two ends of materials are inserted into the clamping grooves, all fix through clamp plate and fixed block centre gripping, all install solid fixed ring on the lateral surface of clamp plate, all be equipped with more than one ball groove on solid fixed ring's the interior anchor ring, equal movable mounting has the ball in the ball groove, and the ball is partly all extends to the external world along the opening in ball groove, and the locating lever passes solid fixed ring from last to down one by one, and the outer wall of locating lever all touches with the outer wall of ball.

As preferred technical scheme, be equipped with the spout on the left surface of riser perpendicularly, the upper end fixed block is just to spout department's installation slider, slider slidable mounting in the spout, and the lower extreme fixed block is installed on the left surface of riser, and the cross section of slider and spout all is the setting of dovetail structure, matches between spout and the slider.

As preferred technical scheme, install the bottom plate on the bottom surface of riser, be equipped with the locating hole on the surface of bottom plate, during the locating hole was inserted to the locating lever lower extreme, the holding rod was installed to the locating lever upper end, installs the montant on the top surface of upper end fixed block, all installs the connecting rod on the top surface of montant and the bottom surface of bottom plate.

As the preferred technical scheme, the diameter of the positioning rod is matched with the inner diameter of the positioning hole.

The utility model has the advantages that: the utility model discloses simple structure, the material both ends insert in the tight groove of clamp to insert the locating lever downwards, make the locating lever pass solid fixed ring and insert the locating hole, the locating lever through the location can effectually support solid fixed ring and pinch-off blades, has avoided the pinch-off blades to outwards open, thereby can effectually press from both sides the fastening with the material and decide, otherwise, extracts the locating lever and just can open the pinch-off blades, great having made things convenient for the installation and the dismantlement to the material, has increased efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the middle fixing ring and the positioning rod of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and fig. 2, the fixing mechanism of a tensile testing apparatus of the present invention comprises a material 3 with a detection function, a positioning rod 12, a vertical plate 1 and more than one clamping mechanism, wherein each clamping mechanism comprises a fixed block 4 and a clamping plate 8, each clamping plate 8 is arranged in an "L" shape, one end of each clamping plate 8 is mounted on the fixed block 4 through a hinge, a clamping groove is formed between each clamping plate 8 and the fixed block 4, a convex portion 11 protruding outwards to form an arc-shaped structure is formed on the inner side surface of each clamping plate 8, both ends of the material 3 are inserted into the clamping grooves and are clamped and fixed by the clamping plates 8 and the fixed blocks 4, each fixing ring 9 is mounted on the outer side surface of each clamping plate 8, more than one ball groove is formed on the inner ring surface of each fixing ring 9, a ball 15 is movably mounted in each ball groove, and a part of the ball 15 extends to the outside along the opening of the ball groove, the positioning rod 12 penetrates the fixing rings 9 one by one from top to bottom, the outer wall surface of the positioning rod 12 is contacted with the outer wall surface of the ball 15, friction between the positioning rod and the positioning rod is reduced through the ball, and the tensile test is prevented from being influenced.

In this embodiment, be equipped with spout 2 on the left surface of riser 1 perpendicularly, upper end fixed block 4 just installs slider 5 to spout department, and slider 5 slidable mounting is in spout 2, and lower extreme fixed block 4 is installed on riser 1's left surface, and slider 5 and spout 2's cross section all is the setting of dovetail structure, phase-match between spout 2 and the slider 5.

In this embodiment, install bottom plate 13 on the bottom surface of riser 1, be equipped with the locating hole on the surface of bottom plate 13, during 12 lower extremes of locating lever inserted the locating hole, holding rod 6 was installed to 12 upper ends of locating lever, installs montant 7 on the top surface of upper end fixed block 4, all installs connecting rod 14 on the top surface of montant 7 and the bottom surface of bottom plate 13.

In this embodiment, the diameter of locating lever 12 and the internal diameter phase-match of locating hole have increased the stability of locating lever, make the locating lever can vertically location.

When the device is used, the connecting rod is inserted into a clamp of the testing device and clamped and fixed, after the device is used, two ends of a material are respectively inserted into the clamping grooves, the positioning rod penetrates through the fixing ring from top to bottom until the positioning rod is inserted into the positioning hole, the positioning rod is vertically arranged after being inserted into the positioning hole, and after the positioning rod is vertical, the clamping plate is pressed inwards, so that the clamping plate and the convex part firmly press the material on the fixing block, and the loosening is avoided;

after the completion, the testing device is started, the upper end of the connecting rod is pulled upwards to form the clamping mechanism, the material is driven by the clamping mechanism to be elongated, the tensile condition of the material is tested, the clamping mechanism can be effectively positioned through the sliding block and the sliding groove, the oblique stretching condition is avoided, and the quality is guaranteed.

After the test is completed, the positioning rod is pulled upwards to be taken out from the positioning hole and the fixing hole at the lower end, so that the clamping plate loses the blocking force and can be opened, the material can be directly taken down, and the disassembly is facilitated.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a tensile test device's fixed establishment which characterized in that: the device comprises materials (3) with detection, positioning rods (12), a vertical plate (1) and more than one clamping mechanism, wherein the clamping mechanisms respectively comprise a fixed block (4) and a clamping plate (8), the clamping plates (8) are arranged in an L-shaped structure, one end of each clamping plate (8) is arranged on the fixed block (4) through a hinge, a clamping groove is formed between each clamping plate (8) and the corresponding fixed block (4), a convex part (11) of an arc-shaped structure is formed by outwards protruding the inner side surface of each clamping plate (8), two ends of each material (3) are inserted into the corresponding clamping grooves and are clamped and fixed through the corresponding clamping plate (8) and the corresponding fixed block (4), a fixing ring (9) is arranged on the outer side surface of each clamping plate (8), more than one ball groove is formed in the inner ring surface of each fixing ring (9), balls (15) are movably arranged in the ball grooves, and part of each ball (15) extends to the outside along the opening of the corresponding ball groove, the positioning rods (12) penetrate through the fixing rings (9) one by one from top to bottom, and the outer wall surfaces of the positioning rods (12) are all contacted with the outer wall surfaces of the balls (15).

2. The fixing mechanism of the tensile testing apparatus according to claim 1, wherein: be equipped with spout (2) on the left surface of riser (1) perpendicularly, upper end fixed block (4) just install slider (5) to spout department, slider (5) slidable mounting is in spout (2), and lower extreme fixed block (4) are installed on the left surface of riser (1), and the cross section of slider (5) and spout (2) all is the setting of dovetail structure, phase-match between spout (2) and slider (5).

3. The fixing mechanism of the tensile testing apparatus according to claim 1, wherein: install bottom plate (13) on the bottom surface of riser (1), be equipped with the locating hole on the surface of bottom plate (13), during locating lever (12) lower extreme inserted the locating hole, holding rod (6) are installed to locating lever (12) upper end, install montant (7) on the top surface of upper end fixed block (4), all install connecting rod (14) on the top surface of montant (7) and the bottom surface of bottom plate (13).

4. The fixing mechanism of the tensile testing apparatus according to claim 2, wherein: the diameter of the positioning rod (12) is matched with the inner diameter of the positioning hole.