CN203324092U

CN203324092U - Mechanical test clamp

Info

Publication number: CN203324092U
Application number: CN201320262427XU
Authority: CN
Inventors: 王乾峰; 雷进生; 彭刚
Original assignee: China Three Gorges University CTGU
Current assignee: China Three Gorges University CTGU
Priority date: 2013-05-15
Filing date: 2013-05-15
Publication date: 2013-12-04
Anticipated expiration: 2023-05-15

Abstract

The utility model relates to a mechanical test clamp, comprising an upper pressing plate and a lower pressing plate, wherein a test piece for a pressing test is placed between the upper pressing plate and the lower pressing plate; an upper pressing pad is arranged on the upper pressing plate; a lower pressing pad is arranged below the lower pressing plate; a lower cushion block is arranged below the lower pressing pad. The mechanical test clamp can realize true triaxial, biaxial and uniaxial mechanical tests by selecting the number and the combined modes of side pressing plates, can load test pieces of different sizes, and is a multifunctional multi-axis mechanical loading clamp.

Description

A kind of clamp for mechanics experiment

Technical field

The utility model relates to the fixture that in a kind of civil engineering material, building materials is carried out mechanical test, and particularly a kind of single shaft, twin shaft and true three-axis force of can carrying out learned the grip device of testing.

Background technology

The civil engineering work material is in Structural Engineering, stress state complexity in the structure such as Geotechnical Engineering and Hydraulic and Hydro-Power Engineering, the one-dimensional stress state is arranged, two-dimensional state of stress is also arranged, also has the triaxiality state, different complex situations of three-dimensional stress particularly. building materials is carried out to the mechanical test under different stress, it is the research material mechanical property, the application project practice, improve the necessary basic data of Theory of Mechanical Strength, development and exploitation can be carried out single shaft, twin shaft, and the clamp for mechanics experiment of three multi-axis stress states under the different situations such as axle, it is the key technical problem of carrying out building materials multiaxis mechanical test.

Summary of the invention

The purpose of this utility model is that solved technical matters is to provide a kind of fixture that can carry out mechanical test under multi-axis stress state, it can carry out single shaft, twin shaft easily by the combination of different modes, and the test of the Mechanical loading of the different stress of three axles.

The purpose of this utility model is achieved in that

A kind of multiaxis clamp for mechanics experiment, it comprises top board and lower platen, between top board and lower platen, for placing the test specimen for applied voltage test, pressure pad is set on top board, and lower platen has lower pressure pad, and lower pressure pad has lower cushion block.

Above-mentioned top board top one lateral edges is provided with chute, relatively at lower platen bottom one lateral edges, also be provided with chute, the chute below is positioned at the test specimen outside and is provided with side guide, be equipped with the location slide plate in described chute, slide plate outer end, location is provided with the location support plate, the location support plate is close to side guide, the intrinsic pad that thickens in the side guide outside.

Above-mentioned adjacent both sides of the edge, top board top are equipped with chute, relatively in adjacent both sides of the edge, lower platen bottom, also be equipped with chute, the chute below is positioned at the test specimen outside and is provided with side guide, be equipped with the location slide plate in described chute, slide plate outer end, location is provided with the location support plate, the location support plate is close to side guide, the intrinsic pad that thickens in the side guide outside.

Above-mentioned side guide is provided with pilot hole with support plate surface of contact place, location, and guidepost inserts pilot hole through the location support plate.

Above-mentioned top board and lower platen middle part are respectively equipped with pilot hole and lower pilot hole.

The utility model has been obtained following technique effect:

The utility model, by selecting quantity and the array mode of side guide, can be realized true three axles, twin shaft and single shaft mechanical test, and the test specimen that can carry out different size loads, and is a kind of multi-functional multiaxis Mechanical loading fixture.

The accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is part-structure schematic diagram of the present utility model;

Fig. 2 is structural representation of the present utility model;

Fig. 3 is part-structure cut-open view of the present utility model;

The vertical view that Fig. 4 is Fig. 3.

Embodiment

Embodiment 1

Referring to Fig. 1-4, a kind of clamp for mechanics experiment, it comprises top board 1 and lower platen 2, between top board and lower platen, for placing the test specimen 13 for applied voltage test, pressure pad is set on top board, and lower platen has lower pressure pad 11, and lower pressure pad has lower cushion block 12.Described top board and lower platen middle part are respectively equipped with pilot hole 9 and lower pilot hole 10.

By lower platen 2 and lower cushion block 12 centerings, test specimen 13 is placed on lower platen 2, then top board 1 is placed on test specimen 13, on top board 1, adds pressure pad, just can be to the unidirectional load test of test specimen 13.

Embodiment 2

Referring to Fig. 1-4, other structure is the same with embodiment, difference is: described top board top one lateral edges is provided with chute 8, relatively at lower platen bottom one lateral edges, also be provided with chute 8, the chute below is positioned at the test specimen outside and is provided with side guide 3, is equipped with location slide plate 5 in described chute, and slide plate outer end, location is provided with location support plate 6, the location support plate is close to side guide, the intrinsic pad 4 that thickens in the side guide outside.Described side guide is provided with pilot hole with support plate surface of contact place, location, and guidepost 7 inserts pilot hole through the location support plate.

By lower platen 2 and lower cushion block 12 centerings, test specimen 13 is placed on lower platen 2, again top board 1 is placed on test specimen 13, guidepost 7 is inserted in the hole of side guide 3, directed slide plate 5 is connected with directed support plate 6, more directed support plate 5 is installed on guidepost 7, again directed slide plate 5 is moved in the chute of top board 1 and

lower platen

2,2 relative side guides 3 are contacted with test specimen 13, on top board 1, add pressure pad, just can apply the different test of both direction load to concrete sample 13.

Embodiment 3

Referring to Fig. 1-4, other structure is the same with embodiment, difference is: adjacent both sides of the edge, described top board top are equipped with chute 8, relatively in adjacent both sides of the edge, lower platen bottom, also be equipped with chute 8, the chute below is positioned at the test specimen outside and is provided with side guide 3, is equipped with location slide plate 5 in described chute, and slide plate outer end, location is provided with location support plate 6, the location support plate is close to side guide, the intrinsic pad 4 that thickens in the side guide outside.Described side guide is provided with pilot hole with support plate surface of contact place, location, and guidepost 7 inserts pilot hole through the location support plate.

lower platen

2,4 side guides 3 are contacted with test specimen 13, on top board 1, add pressure pad, just can carry out three tests that the direction load is different to concrete sample 13.

Claims

1. a clamp for mechanics experiment, it is characterized in that: it comprises top board (1) and lower platen (2), be used for the test specimen (13) of applied voltage test between top board and lower platen for placement, pressure pad is set on top board, lower platen has lower pressure pad (11), and lower pressure pad has lower cushion block (12).

2. clamp for mechanics experiment according to claim 1, it is characterized in that: described top board top one lateral edges is provided with chute (8), relatively at lower platen bottom one lateral edges, also be provided with chute (8), the chute below is positioned at the test specimen outside and is provided with side guide (3), be equipped with location slide plate (5) in described chute, slide plate outer end, location is provided with location support plate (6), and the location support plate is close to side guide, the intrinsic pad (4) that thickens in the side guide outside.

3. clamp for mechanics experiment according to claim 1, it is characterized in that: adjacent both sides of the edge, described top board top are equipped with chute (8), relatively in adjacent both sides of the edge, lower platen bottom, also be equipped with chute (8), the chute below is positioned at the test specimen outside and is provided with side guide (3), be equipped with location slide plate (5) in described chute, slide plate outer end, location is provided with location support plate (6), and the location support plate is close to side guide, the intrinsic pad (4) that thickens in the side guide outside.

4. according to the described clamp for mechanics experiment of claim 2 or 3, it is characterized in that: described side guide is provided with pilot hole with support plate surface of contact place, location, and guidepost (7) inserts pilot hole through the location support plate.

5. according to claim 1 or 2 or 3 described clamp for mechanics experiments, it is characterized in that: described top board and lower platen middle part are respectively equipped with pilot hole (9) and lower pilot hole (10).