Portable flexible limiting mechanism suitable for bar bending resistance testing machine

Abstract

The utility model discloses a portable flexible limiting mechanism suitable for a bar bending resistance testing machine, which comprises a placing seat and a positioning buckle, the left side wall and the right side wall of the placing seat are respectively provided with a concave positioning groove, and the positioning buckle can be clamped and embedded into the positioning grooves. And when the positioning buckle is clamped and embedded into the positioning groove, the placing seat is limited and locked in the front-back direction. The utility model relates to the technical field of limiting tools. According to the portable flexible limiting mechanism suitable for the bar bending resistance testing machine, after the placement seat is mounted at a designated position along the mounting groove, the two positioning buckles are clamped and embedded into the positioning grooves in the two sides of the placement seat, and meanwhile, the bottoms of the positioning buckles are clamped and embedded between the two positioning blocks on the same side, so that the placement seat is positioned by the positioning buckles; the placing seat cannot move, so that the bar is kept stable in position in the test, the test result is more accurate, the structure is simple and flexible, the bar can be conveniently disassembled and replaced, and the test requirements of materials with different specifications can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of limit frock, concretely is a portable flexible limiting mechanism suitable for bar bending test machine. BACKGROUND

[0002] Metal bending test is a commonly used test method for evaluating the bending performance of metal materials. Through this test, the deformation and damage of metal materials under bending force can be understood, thereby providing a basis for engineering design and material selection.

[0003] Currently, the electronic universal testing machine is used to test the bending strength of the bar, and the sample to be tested is placed on the base manually. However, due to the wide and relatively smooth support surface of the base, the placement position of the bar cannot be fixed, which easily causes positional deviation, thereby directly affecting the accuracy and authenticity of the test results. Therefore, a special limiting frock is needed to cooperate with the testing machine to test the bending strength of the bar. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a portable flexible limiting mechanism suitable for bar bending test machine, which solves the problem that the bar easily rolls and deviates due to the lack of a special limiting frock when testing the bending strength of the bar using the electronic universal testing machine, thereby affecting the test results.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a portable flexible limiting mechanism suitable for bar bending test machine, comprising a testing machine base, an installation groove is formed in the top of the testing machine base along the front-back direction, further comprising a placing seat and a positioning buckle, the bottom of the placing seat is movably arranged in the installation groove, a placing groove is formed in the top of the placing seat along the front-back direction, recessed positioning grooves are formed in the left and right side walls of the placing seat respectively, the positioning buckle can be clamped into the positioning groove, the bottom of the positioning buckle is detachably connected with the testing machine base, and the placing seat is locked in the front-back direction when the positioning buckle is clamped into the positioning groove.

[0006] Further, the installation groove is a dovetail groove, and the bottom cross section of the placing seat is a dovetail type matched with the installation groove.

[0007] Further, the installation groove is a straight groove, limiting plates are respectively arranged on the two sides of the top of the testing machine base, limiting grooves are respectively formed in the lower sides of the two sides of the placing seat along the front-back direction, the limiting plates extend to the inner side of the edge of the installation groove and extend into the limiting grooves to press on the bottom of the inner wall of the limiting grooves.

[0008] Further, two sides of the top of the limiting plate are respectively provided with a set of positioning members, each set of positioning members comprises two positioning blocks arranged at intervals, and the bottom of the positioning buckle is clamped between the two positioning blocks when the positioning buckle is installed in place.

[0009] Further, the positioning buckle comprises a fixed seat, a side clamping plate and an upper clamping buckle, the side clamping plate is fixedly connected to the inner side of the top of the fixed seat, and the upper clamping buckle is fixedly connected to the top of the side clamping plate and is bent inward.

[0010] Further, the positioning groove is in the shape of , the side clamping plate is clamped into the vertical part, and the upper clamping buckle is clamped into the top horizontal part.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The portable flexible limiting mechanism suitable for the bar bending test machine is characterized in that a placing groove for placing materials is formed in the top of the placing seat, the placing seat is installed to a specified position along the installation groove, two positioning buckles are clamped into the positioning grooves on the two sides of the placing seat, the bottom of the positioning buckle is clamped between the two positioning blocks on the same side at the same time, the positioning buckle cannot move forward and backward, the positioning buckle positions the placing seat, the placing seat cannot move and is in the specified position, the corresponding specification of the bar placed in the placing groove is positioned, the position is kept stable during testing, the test result is more accurate, the structure is simple and flexible, the portable flexible limiting mechanism can be conveniently disassembled and replaced, the test demand of different specifications of materials can be met, and the portable flexible limiting mechanism is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a sectional view during assembly of the utility model;

[0014] Fig. 2 It is a structural schematic view of the utility model;

[0015] Fig. 3 It is a structural schematic view of the utility model.

[0016] In the drawing: 1-test machine base, 11-installation groove, 2-placing seat, 21-placing groove, 22-limiting groove, 23-positioning groove, 3-positioning buckle, 31-fixed seat, 32-side clamping plate, 33-upper clamping buckle, 4-limiting plate, 5-positioning member. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0018] Please refer to Figs. 1-3 The utility model provides a technical scheme: a portable flexible limiting mechanism suitable for bar bending tester, including test machine base 1, the top of test machine base 1 is set up with an installation groove 11 along the front and back direction, still including placing seat 2 and two positioning buckles 3, the bottom of placing seat 2 is pullably movably arranged in installation groove 11.

[0019] Placing seat 2 can be clamped into installation groove 11 and pushed back, and placing seat 2 is installed to the designated position.

[0020] The top of placing seat 2 is set up with a placing groove 21 along the front and back direction, and the placing groove 21 is used for placing the bar to be tested, and the width of the placing groove 21 is matched with the specification of the bar. Meanwhile, the placing seat 2 is equipped with multiple, the external dimensions are consistent, but the placing grooves 21 are different specifications, so as to adapt to the test requirements of different specifications of bars.

[0021] The left and right two side walls of placing seat 2 are respectively set up with concave positioning grooves 23, the positioning buckle 3 can be clamped into the positioning groove 23, the bottom of the positioning buckle 3 is detachably clamped with the test machine base 1, and the placing seat 2 is locked in the front and back direction when the positioning buckle 3 is clamped into the positioning groove 23.

[0022] The two sides of the top of test machine base 1 are respectively provided with a set of positioning pieces 5, each set of positioning pieces 5 includes two positioning blocks arranged at intervals, and the bottom of the positioning buckle 3 is clamped between the two positioning blocks when the positioning buckle 3 is installed in place. The spacing between the two positioning blocks is matched with the size of the bottom of the positioning buckle 3. The positioning block should be square, so that the positioning buckle 3 cannot be deflected.

[0023] After placing seat 2 is installed to the designated position along installation groove 11, the two positioning buckles 3 are clamped into the positioning grooves 23 on the two sides of placing seat 2, and at the same time, the bottom of the positioning buckle 3 is clamped between the two positioning blocks on the same side, so that the positioning buckle 3 cannot move forward and backward, and at the same time, the positioning buckle 3 positions placing seat 2, so that placing seat 2 cannot move and is in the designated position, thereby positioning the bar of the corresponding specification placed in the placing groove 21, so that the position is stable during testing, thereby making the test result more accurate.

[0024] The placement seat 2 and the positioning buckle 3 are arranged as independent structures, are clamped with each other and are detachably mounted to the testing machine base 1, the material can be accurately positioned at the specified position, rolling and deviation of the material are avoided, the testing result is not affected by the position deviation, the structure is simple and flexible, the placement seat 2 and the positioning buckle 3 can be conveniently disassembled and replaced, the testing requirement of different specifications of materials can be met and the use is more convenient.

[0025] The mounting groove 11 is a dovetail groove, the bottom section of the placement seat 2 is dovetail-shaped and is matched with the mounting groove 11. The placement seat 2 is mounted from the front end of the mounting groove 11.

[0026] The placement seat 2 is limited in the left and right and up and down directions through the dovetail groove structure, the placement seat 2 is positioned in the front and back directions through cooperation of the positioning buckle 3, the position of the placement seat 2 is accurately kept and the position deviation is avoided.

[0027] In another embodiment, the mounting groove 11 is a straight groove, the two sides of the top of the testing machine base 1 are horizontally provided with limiting plates 4, the lower sides of the two sides of the placement seat 2 are respectively provided with limiting grooves 22 in the front and back directions, the limiting plates 4 extend to the inner side of the edge of the mounting groove 11 and extend into the limiting grooves 22 and press the bottom of the inner wall of the limiting grooves 22.

[0028] In the case that the mounting groove 11 is a straight groove, the placement seat 2 is no longer limited in the vertical direction, therefore two limiting plates 4 are arranged, the limiting plates 4 extend into the limiting grooves 22 on the two sides of the placement seat 2 and limit the placement seat 2 in the vertical direction, so that the placement seat 2 cannot be lifted or turned over, and the placement seat 2 can normally slide forward and backward under the guidance of the limiting plates 4. The placement seat 2 is mounted from the front end of the mounting groove 11.

[0029] In the embodiment, the positioning member 5 is mounted on the limiting plate 4 and the bottom of the positioning buckle 3 is clamped on the surface of the limiting plate 4.

[0030] In another embodiment, the positioning buckle 3 comprises a fixed seat 31, a side clamping plate 32 and an upper clamping buckle 33, the side clamping plate 32 is fixedly connected to the inner side of the top of the fixed seat 31, and the upper clamping buckle 33 is fixedly connected to the top of the side clamping plate 32 and is bent inward.

[0031] The cross section of the positioning groove 23 is The side clamping plate 32 is clamped into the vertical part and the upper clamping buckle 33 is clamped into the top horizontal part.

[0032] The positioning buckle 3 is mounted from top to bottom, the side clamping plate 32 and the fixed seat 31 move downward along the vertical part of the positioning groove 23, until the upper clamping buckle 33 is clamped into the horizontal part on the top of the positioning groove 23, at this time, the fixed seat 31 is clamped into the two positioning blocks and the placement seat 2 is limited.

[0033] The outer side of the two positioning blocks on the same side can be provided with a connecting block, so that a complete C-shaped structure is formed, and the fixed buckle 3 can be further prevented from moving outward from the placing seat 2 and unable to limit the placing seat 2.

[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A portable and flexible limiting mechanism for a bar bending tester, comprising a tester base (1), wherein a mounting groove (11) is provided on the top of the tester base (1) along the front-rear direction, characterized in that: It also includes a placement seat (2) and a positioning buckle (3). The bottom of the placement seat (2) is movably and pullable in the mounting groove (11). The top of the placement seat (2) has a placement groove (21) in the front-back direction. The left and right side walls of the placement seat (2) are respectively provided with recessed positioning grooves (23). The positioning buckle (3) can be snapped into the positioning groove (23). The bottom of the positioning buckle (3) is detachably snapped into the testing machine base (1). When the positioning buckle (3) is snapped into the positioning groove (23), the placement seat (2) is locked in the front-back direction.

2. The portable flexible limiting mechanism for a bar bending tester according to claim 1, characterized in that: The mounting groove (11) is a dovetail groove, and the bottom cross section of the placement seat (2) is a dovetail shape that is adapted to the mounting groove (11).

3. The portable flexible limiting mechanism for a bar bending tester according to claim 1, characterized in that: The mounting groove (11) is a straight groove. Limiting plates (4) are horizontally arranged on both sides of the top of the testing machine base (1). Limiting grooves (22) are opened on the lower parts of both sides of the placement seat (2) along the front and rear directions. The limiting plates (4) extend to the inner side of the edge of the mounting groove (11) and extend into the limiting groove (22) and press against the bottom of the inner wall of the limiting groove (22).

4. A portable flexible limiting mechanism for a bar bending tester according to claim 3, characterized in that: The limiting plate (4) has a set of positioning components (5) on both sides of its top. Each set of positioning components (5) includes two positioning blocks spaced apart. When the positioning buckle (3) is installed in place, its bottom is locked between the two positioning blocks and positioned.

5. A portable flexible limiting mechanism for a bar bending tester according to claim 1, characterized in that: The positioning buckle (3) includes a fixed base (31), a side plate (32) and an upper buckle (33). The side plate (32) is fixedly connected to the inner side of the top of the fixed base (31), and the upper buckle (33) is fixedly connected to the top of the side plate (32) and bent inward.

6. A portable flexible limiting mechanism for a bar bending tester according to claim 5, characterized in that: The cross-section of the positioning groove (23) is The side plate (32) is inserted into its vertical portion, and the upper buckle (33) is inserted into its top horizontal portion.

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