CN217277312U - Building element loading test connection system - Google Patents

Abstract

The utility model relates to a loading test connection system for building components, comprising a testing machine. The outer end of the actuator of the testing machine is provided with a sample connecting frame to connect with the sample, and the inner side of the bottom of one side column of the testing machine is provided with a jack. The inner side of the bottom of the column on the other side is provided with a top-connecting device, the base of the testing machine is fixedly connected to the first and second supports, and the middle of the column of the testing machine is provided with a clamping frame to hold the sample. The utility model can effectively limit the phenomenon of out-of-plane movement in the test, so as to achieve the purpose of more accurate test results and closer engineering practice. High applicability, convenient assembly on the actual test site, energy saving and high efficiency.

Description

A loading test connection system for building components

technical field

The utility model relates to the field of structural testing, in particular to a connection system for loading testing of building components.

Background technique

In recent years, with the rapid development of my country's science and technology and economy, more and more college students have entered the laboratory to conduct large-scale experiments in civil engineering. At present, many scientific research institutes and universities in my country have introduced a variety of large-scale testing machines with advanced technologies in order to seek development and progress. However, some early test equipments are prone to out-of-plane displacement problems during the loading process of the test specimens, the connection between the test specimens and the test equipment does not meet the actual boundary conditions of the project, and the repurchasing of new test equipment costs a lot.

The current research on the connection system of the test equipment has the following problems:

1. The boundary conditions and interactions formed by the connection system of the test equipment do not conform to the actual engineering.

2. The connection system of the test equipment cannot effectively limit the out-of-plane displacement.

3. The connection system of the test equipment cannot be multi-applicable and has a single function. The connection device cannot be adjusted for different size specimens, and it needs to be reprocessed, which is not in line with energy saving and material saving.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide a building component loading test connection system, which guarantees the accuracy of the test results.

To achieve the above object, the present utility model adopts the following technical solutions to realize:

A building component loading test connection system, including a testing machine, the outer end of the actuator of the testing machine is provided with a sample connection frame to connect with the sample, the inner side of the bottom of one side column of the testing machine is provided with a jack, and the other side column is provided with a jack. The inner side of the bottom is provided with a top-connecting device, the base of the testing machine is fixedly connected to the first and second supports, and the middle of the upright column of the testing machine is provided with a clamping frame to hold the sample.

The sample connecting frame includes a first pressing plate and a second pressing plate, and the sample is clamped between the first pressing plate and the second pressing plate, and is connected by fastening bolts.

The top-connecting device includes a limit plate, and the middle of the limit plate is laterally provided with a round rod.

The first support includes a support bottom plate, the two sides of the support bottom plate one are symmetrically provided with support side plates, and the two support side plates are correspondingly provided with limit circular holes for passing the limit rods.

The second support includes a second support base plate, two sides of the support base plate 2 are symmetrically provided with support vertical plates, and the two support vertical plates are correspondingly provided with limit oblong holes for inserting the limit rods.

The clamping frame comprises symmetrically arranged clamping plates, the two ends of the two clamping plates are respectively connected by long bolts, the part of the clamping plates corresponding to the sample is connected to the supporting plate, and the supporting plate is provided with a pulley to top the sample.

Compared with the prior art, the beneficial effects of the present utility model are:

The utility model can effectively limit the phenomenon of out-of-plane movement in the test, so as to achieve the purpose of more accurate test results and closer engineering practice. High applicability, convenient assembly on the actual test site, energy saving and high efficiency.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

Figure 2 is a schematic diagram of the sample connection frame.

FIG. 3 is a schematic diagram of the top connection device.

Figure 4 is a schematic diagram of a support.

FIG. 5 is a schematic diagram of the second support.

FIG. 6 is a schematic diagram of the clamping frame.

FIG. 7 is a top view of the clamping frame.

In the figure: testing machine 1; actuator 2 of testing machine; sample connecting frame 3; sample 4; jack 5; 10; Pressure plate II 11; Fastening bolt 12; Limiting plate 13; Round rod 14; Support bottom plate one 15; Support side plate 16; Limiting oblong hole 20; splint 21, long bolt 22, support plate 23, pulley 24.

Detailed ways

The specific embodiments of the present utility model are further described below in conjunction with the accompanying drawings:

As shown in Figures 1 to 7, a building component loading test connection system includes a testing machine 1. The outer end of the actuator 2 of the testing machine is provided with a sample connecting frame 3 to connect with the sample 4. One side of the testing machine 1 The inner side of the bottom of the column is provided with a jack 5, and the inner side of the bottom of the column on the other side is provided with a jacking device 6. The base of the testing machine 1 is fixedly connected to the support 1 7 and the support 2 8. The middle of the column of the testing machine 1 is provided with The holding frame 9 holds the sample 4 .

The sample connecting frame 3 includes a first pressure plate 10 and a second pressure plate 11 , and the sample 4 is clamped between the first pressure plate 10 and the second pressure plate 11 , and is connected by fastening bolts 12 .

The top connecting device 6 includes a limit plate 13, the limit plate 13 is connected with the upright stud bolts, and a circular rod 14 is laterally provided in the middle of the limit plate 13.

The support one 7 includes a support bottom plate one 15, the two sides of the support bottom plate one 15 are symmetrically provided with support side plates 16, and the two support side plates 16 are correspondingly provided with limit circular holes 17 for passing the limit rods.

The second support 8 includes a second support base plate 18 , two sides of the support base plate 18 are symmetrically provided with support vertical plates 19 , and the two support vertical plates 19 are correspondingly provided with limit oblong holes 20 for passing the limit rods.

The clamping frame 9 includes symmetrically arranged clamping plates 21. The two ends of the two clamping plates 21 are respectively connected by long bolts 22. The clamping plate 22 is connected to the supporting plate 23 corresponding to the part of the sample. .

The limit circular holes reserved on the sample 4 correspond to the support one 7 and the support two 8 respectively. The limit circular hole 17 of the support one 7 and the limit circular hole of the sample 4 are drilled through a limit rod to form a fixed fulcrum , the limiting long circular hole 20 of the second support 8 and the limiting circular hole of the sample pass through a limiting rod to form a hinge fulcrum. The jack 5 exerts a force against the sample 4 on the side. The actuator 2 of the testing machine pushes the sample to perform a low-cycle reciprocating loading test.

For those of ordinary skill in the art, the above utility model can also be improved and modified without departing from the principle of the present utility model. These improvements and modifications also fall into the protection of the claims of the present utility model. within the range. The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its concept shall be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a building element loading test connection system, its characterized in that, includes the testing machine, and the outer end of the actuator of testing machine is equipped with the sample link and is connected with the sample, and the inboard of one side stand bottom of testing machine is equipped with the jack, and the inboard of another side stand bottom is equipped with the top and connects the device, and rigid coupling support one and support two on the base of testing machine, the middle part of the stand of testing machine is equipped with the centre gripping frame centre gripping sample.

2. The building component loading test connection system of claim 1, wherein the sample connection frame comprises a first pressing plate and a second pressing plate, and the first pressing plate and the second pressing plate clamp the sample and are connected through fastening bolts.

3. The building element loading test connecting system according to claim 1, wherein the abutting device comprises a limiting plate, and a round rod is transversely arranged in the middle of the limiting plate.

4. The building element loading test connecting system according to claim 1, wherein the first support comprises a first support bottom plate, support side plates are symmetrically arranged on two sides of the first support bottom plate, and limiting round holes are correspondingly formed in the two support side plates and used for penetrating and sleeving limiting rods.

5. The building element loading test connecting system according to claim 1, wherein the second support comprises a second support base plate, vertical support plates are symmetrically arranged on two sides of the second support base plate, and limiting oblong holes are correspondingly formed in the two vertical support plates and used for allowing limiting rods to penetrate through.

6. The building component loading test connection system according to claim 1, wherein the holding frame comprises symmetrically arranged clamping plates, two ends of the two clamping plates are respectively connected through a long bolt, the parts of the clamping plates corresponding to the test sample are connected with the support plate, and the support plate is provided with pulleys to be abutted with the test sample.

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