CN210981998U - Displacement meter clamp for high-toughness cement-based composite material tensile test - Google Patents

Displacement meter clamp for high-toughness cement-based composite material tensile test Download PDF

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Publication number
CN210981998U
CN210981998U CN201921906811.2U CN201921906811U CN210981998U CN 210981998 U CN210981998 U CN 210981998U CN 201921906811 U CN201921906811 U CN 201921906811U CN 210981998 U CN210981998 U CN 210981998U
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CN
China
Prior art keywords
displacement meter
displacement
composite material
based composite
clamp
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921906811.2U
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Chinese (zh)
Inventor
许子龙
谢群
于晓伟
张守硕
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University of Jinan
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University of Jinan
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Priority to CN201921906811.2U priority Critical patent/CN210981998U/en
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Publication of CN210981998U publication Critical patent/CN210981998U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A displacement meter clamp for a high-toughness cement-based composite material tensile test is characterized in that two adjusting holes (4) are formed in one side of a displacement meter frame (1), connecting bolts (2) are arranged in the adjusting holes (4), and a dumbbell-shaped test piece (7) is fixed on one side of the displacement meter frame (1) through the connecting bolts (2) and nuts (5); the displacement meter (8) or the metal block (6) is fixed on the displacement meter frame (1) through the fixing bolt (3). The displacement meter clamp has the advantages of light dead weight, simplicity in operation, low manufacturing cost, suitability for test pieces in two shapes of a dumbbell type and a plate type, suitability for linear displacement meters and pull-wire type displacement meters, and suitability for displacement meters in various shapes such as cylinders and cuboids. The displacement meter clamp can adapt to test piece shapes in different shapes by adjusting the position of the connecting bolt, and can be suitable for a linear displacement meter or a pull-wire type displacement meter by clamping a metal block or removing the metal block through the fixing bolt.

Description

Displacement meter clamp for high-toughness cement-based composite material tensile test
Technical Field
The utility model belongs to the technical field of the tensile test technique and specifically relates to a displacement meter anchor clamps for high tenacity cement base combined material tensile test.
Background
The traditional concrete material is very low in tensile property and often fragile, the ductility of the concrete material is not measured when the concrete material is broken by pulling, but the axial tensile test of the cement-based composite material becomes very important due to the appearance of the ECC high-toughness cement-based composite material, and compared with a bending resistance or bending resistance test, the axial tensile test can more intuitively embody the tensile capacity and the ductility of the ECC. At present, two types of test pieces adopted by an ECC direct tensile test are a plate type test piece and a dumbbell type test piece, a tensile property test section of the test piece is located in a narrow position in the center, and the ECC test piece is uniformly cracked and cracked outside the test section, so that a displacement meter is added to the test section to measure displacement strain.
However, the existing clamp has the disadvantages of large self weight, complex operation, high manufacturing cost and low applicable rate. Therefore, a new displacement gauge clamp needs to be designed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at installs the displacement meter additional in the test section of ECC material test piece for measure the deformation of test section. The utility model discloses a flat strip metal material is made, and light in weight uses appurtenance few, bare-handed can operate, and the operation is simple and easy to be applicable to the displacement meter of unidimensional test piece and different kind and shape, the application scope is wider, has higher use value.
The utility model provides a technical scheme that its technical problem adopted is: a displacement meter clamp for a high-toughness cement-based composite material tensile test comprises a displacement meter frame 1; the displacement meter comprises displacement meter frames 1, a plurality of adjusting holes 4, connecting bolts 2 and nuts 5, wherein the displacement meter frames 1 are arranged in pairs, one side of each displacement meter frame 1 is provided with the two adjusting holes 4, and the connecting bolts 2 are matched with the nuts 5 which have a locking effect; the position of the connecting bolt 2 can be adjusted by the adjusting hole 4 according to the width of the dumbbell-shaped test piece 7; the dumbbell-shaped test piece 7 is fixed on one side of the displacement meter frame 1 through the connecting bolt 2 and the nut 5; the other side of the displacement meter frame 1 is provided with a square through hole, a displacement meter 8 or a metal block 6 is installed in the through hole in a penetrating mode, and the displacement meter 8 or the metal block 6 is fixed on the displacement meter frame 1 through a fixing bolt 3.
The utility model discloses still have following additional technical characterstic:
as the utility model discloses technical scheme further specifically optimizes: the fixing bolt 3 is a cross bolt.
As the utility model discloses technical scheme further specifically optimizes: the displacement meter 8 is a linear displacement meter or a pull-wire displacement meter.
As the utility model discloses technical scheme further specifically optimizes: the displacement meter frame 1 is made of flat strip metal materials.
Compared with the prior art, the utility model, its advantage lies in:
the method has the advantages that: this displacement meter anchor clamps dead weight is light, easy operation, and the cost is low and be applicable to the test piece of two kinds of shapes of dumbbell type and board type, and the displacement meter of cylinder or cuboid shape can be fixed to fixing bolt, consequently can be applicable to the displacement meter of two kinds of displacement meters of orthoscopic and stay-supported and multiple shapes such as cylinder, cuboid.
The method has the advantages that: the displacement meter clamp can adapt to test piece shapes in different shapes by adjusting the position of the connecting bolt, and can be suitable for a linear displacement meter or a pull-wire type displacement meter by clamping a metal block or removing the metal block through the fixing bolt. The connecting bolt can be screwed up by bare hands, so that the installation is more efficient and convenient.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 displacement meter clamp of the present invention;
FIG. 2 is a schematic view of the overall structure of the displacement gauge holder of the present invention;
fig. 3 is a schematic view of the usage state of the present invention.
Description of reference numerals: a meter moving frame 1; a connecting bolt 2; a fixing bolt 3; an adjusting hole 4; a nut 5; a metal block 6; a dumbbell-shaped test piece 7; and a displacement meter 8.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more completely understood, and the scope of the present disclosure may be fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure is not limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so 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.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a displacement meter anchor clamps for high tenacity cement based composite material tensile test, includes and moves meter frame 1, and displacement meter frame 1 sets up in pairs, and displacement meter frame 1 adopts flat strip metal material to make.
Wherein, one side of the displacement meter frame 1 is provided with two adjusting holes 4, the inside of each adjusting hole 4 is provided with a connecting bolt 2, and the connecting bolt 2 is provided with a nut 5 playing a locking role; the position of the connecting bolt 2 can be adjusted by the adjusting hole 4 according to the width of the dumbbell-shaped test piece 7; the dumbbell-shaped test piece 7 is fixed on one side of the displacement meter frame 1 through the connecting bolt 2 and the nut 5; the other side of the displacement meter frame 1 is provided with a square through hole, a displacement meter 8 or a metal block 6 is installed inside the through hole in a penetrating mode, the displacement meter 8 or the metal block 6 is fixed to the displacement meter frame 1 through a fixing bolt 3, and the fixing bolt 3 is a cross bolt. The displacement meter 8 is a linear displacement meter or a pull-wire displacement meter.
This displacement meter anchor clamps dead weight is light, easy operation, and the cost is low and be applicable to the test piece of two kinds of shapes of dumbbell type and board type, and the displacement meter of cylinder or cuboid shape can be fixed to fixing bolt, consequently can be applicable to the displacement meter of two kinds of displacement meters of orthoscopic and stay-supported and multiple shapes such as cylinder, cuboid.
The displacement meter clamp can adapt to test piece shapes in different shapes by adjusting the position of the connecting bolt, and can be suitable for a linear displacement meter or a pull-wire type displacement meter by clamping a metal block or removing the metal block through the fixing bolt. The connecting bolt can be screwed up by bare hands, so that the installation is more efficient and convenient.
Although the embodiments have been described, once the basic inventive concept is known, other changes and modifications can be made to the embodiments by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all changes in equivalent structures or equivalent processes using the contents of the specification and drawings of the present invention, or directly or indirectly using other related technical fields, are also included in the scope of the present invention.

Claims (4)

1. The displacement meter clamp for the tensile test of the high-toughness cement-based composite material is characterized by comprising displacement meter frames (1), wherein the displacement meter frames (1) are arranged in pairs; wherein, one side of the displacement meter frame (1) is provided with two adjusting holes (4), the inside of each adjusting hole (4) is provided with a connecting bolt (2), and the connecting bolt (2) is provided with a nut (5) with a locking effect; the position of the connecting bolt (2) can be adjusted by the adjusting hole (4) according to the width of the dumbbell-shaped test piece (7); the dumbbell-shaped test piece (7) is fixed on one side of the displacement meter frame (1) through a connecting bolt (2) and a nut (5); the other side of the displacement meter frame (1) is provided with a square through hole, a displacement meter (8) or a metal block (6) penetrates through the through hole, and the displacement meter (8) or the metal block (6) is fixed on the displacement meter frame (1) through a fixing bolt (3).
2. The displacement gauge clamp for the high-toughness cement-based composite material tensile test according to claim 1, wherein: the displacement meter (8) adopts a linear displacement meter or a pull-wire displacement meter.
3. The displacement gauge clamp for the high-toughness cement-based composite material tensile test according to claim 1, wherein: the displacement meter frame (1) is made of flat strip-shaped metal materials.
4. The displacement gauge clamp for the high-toughness cement-based composite material tensile test according to claim 1, wherein: the fixing bolt (3) is a cross bolt.
CN201921906811.2U 2019-11-07 2019-11-07 Displacement meter clamp for high-toughness cement-based composite material tensile test Expired - Fee Related CN210981998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921906811.2U CN210981998U (en) 2019-11-07 2019-11-07 Displacement meter clamp for high-toughness cement-based composite material tensile test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921906811.2U CN210981998U (en) 2019-11-07 2019-11-07 Displacement meter clamp for high-toughness cement-based composite material tensile test

Publications (1)

Publication Number Publication Date
CN210981998U true CN210981998U (en) 2020-07-10

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ID=71459760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921906811.2U Expired - Fee Related CN210981998U (en) 2019-11-07 2019-11-07 Displacement meter clamp for high-toughness cement-based composite material tensile test

Country Status (1)

Country Link
CN (1) CN210981998U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200710

Termination date: 20211107