CN209446405U - A kind of construction steel structure bending property detection device - Google Patents

Abstract

The utility model discloses a bending performance detection device of a building steel structure, which comprises a base, a bracket is fixedly installed on the upper surface of the base, a movable end of the cylinder is vertically downward, and a bracket is fixedly installed on the slider , the side of the slider is provided with a threaded hole, the threaded hole is internally threaded with a screw, the two ends of the screw are rotatably mounted on the two ends of the chute, the bracket includes a column and a block, and the column The lower end of the sliding block is fixedly installed on the upper surface of the slider, and the block is rotatably installed on the upper end of the column, and the end face of the block is arranged in an arc shape; two groups of arc-shaped end face blocks that cooperate with each other in the chute are arranged oppositely, which is convenient for fixing the steel pipe. The operation is convenient and quick, and it is installed on the column through the rotation of the clamping block, so that when the steel pipe is bent under force, the clamping block of the fixed seat will rotate accordingly. During the process of detecting the deformation of the steel pipe, it can fully contact with the steel pipe, and at the same time, the position of the steel pipe will be shifted. , the block can be rotated to ensure the accuracy of detection.

Description

A device for detecting the bending performance of a building steel structure

technical field

The utility model relates to the technical field of steel performance detection, in particular to a bending performance detection device for building steel structures.

Background technique

Bending performance refers to the maximum stress that a material can withstand when it breaks under a bending load or reaches a specified bending moment. It reflects the bending resistance of a material and is used to measure the bending performance of a material. During the use of steel structure materials, the problem of bending fracture will be encountered. In order to predict the bending performance of steel structure materials, it is necessary to test the bending performance of steel structure materials; the bending performance of steel pipes is a very important technical index of steel pipes.

The structure of the existing testing equipment is relatively complicated. Usually, the steel pipe to be tested is taken to the laboratory for bending performance testing of the steel pipe. It is impossible to directly test the bending performance of the steel pipe on site, which is inconvenient to operate; It is inconvenient to fix the steel pipe on the operating table, and the fixed bases at both ends of the steel pipe deform the steel pipe during the pressing process, resulting in deviations in detection, resulting in uneven force on the steel pipe, errors in detection, and detection accuracy that needs to be improved. Therefore, we need to provide a device for detecting the bending performance of building steel structures.

Utility model content

The purpose of this utility model is to provide a bending performance detection device for building steel structures, which has a simple and reasonable structure design, quick operation, easy adjustment, convenient steel pipe detection, and improved detection accuracy, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a device for detecting the bending performance of a building steel structure, including a base, a bracket is fixedly installed on the upper surface of the base, and a cylinder is fixedly installed on the upper end of the bracket, and the cylinder The movable end of the cylinder is vertically downward, and the lower end of the cylinder is fixedly installed with a pressure block. The two sides of the upper surface of the base are symmetrically provided with chute respectively. Two sets of sliders are arranged in the chute, and the two sets of sliders The block slides and clamps in the chute, and a bracket is fixedly installed on the slider, and a threaded hole is opened on the side of the slider, and a screw is connected to the threaded hole, and the two ends of the screw are rotatably mounted on the At both ends of the chute, the bracket includes a column and a clamping block, the lower end of the column is fixedly mounted on the upper surface of the slider, the clamping block is rotatably mounted on the upper end of the column, and the end surface of the clamping block is arranged in an arc.

Preferably, the two ends of the screw have opposite helical directions, and two sets of sliders are respectively arranged at the two ends of the screw.

Preferably, an adjustment knob is fixedly installed at one end of the screw rod, and anti-slip lines are provided on the adjustment knob.

Preferably, the upper end of the column is provided with a through hole, and a rotating shaft is rotatably inserted into the through hole, and one end of the rotating shaft is fixedly connected with the block.

Preferably, one end of the rotating shaft is provided with a groove, and a snap ring is clamped in the groove.

Preferably, a rubber pad is pasted on the arc-shaped end surface of the block.

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

1. By setting the screw, rotating the adjusting knob can drive the screw to rotate, so that the two sets of sliders in the chute are close to or far away from each other, and then adjust the distance between the blocks, which is convenient for fixed testing of steel pipes with different diameters, and the structure of the device Simple, easy to carry, easy to use;

2. The two sets of matching arc-shaped end blocks in the chute are set opposite to each other, which is convenient for fixing the steel pipe, and the operation is convenient and quick. The block is rotated and installed on the column, so that when the steel pipe is bent by force, the block of the fixed seat will rotate accordingly. , in the process of detecting the deformation of the steel pipe under pressure, it can fully contact with the steel pipe, and at the same time, when the position of the steel pipe deviates, the clamping block can rotate to ensure the accuracy of the detection.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the side cut-away structure schematic diagram of the utility model;

Fig. 3 is a top view structural diagram of the utility model.

In the figure: 1 base, 2 bracket, 3 cylinder, 4 pressure block, 5 chute, 6 slider, 7 threaded hole, 8 screw, 9 bracket, 10 adjustment knob, 11 column, 12 rotating shaft, 13 block, 14 Circlip, 15 rubber pads.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a device for detecting the bending performance of a building steel structure, including a base 1, a bracket 2 is fixedly installed on the upper surface of the base 1, and the upper end of the bracket 2 is fixed A cylinder 3 is installed, the movable end of the cylinder 3 is vertically downward, and the lower end of the cylinder 3 is fixedly equipped with a briquetting block 4, and both sides of the upper surface of the base 1 are respectively symmetrically provided with chute 5, and the chute Two groups of sliders 6 are arranged in the 5, and the sliders 6 of the two groups are slidably engaged in the chute 5, and brackets 9 are fixedly installed on the sliders 6, and threaded holes are provided on the sides of the sliders 6. 7. The threaded hole 7 is internally threaded with a screw 8, the two ends of the screw 8 are rotatably mounted on the two ends of the chute 5, the bracket 9 includes a column 11 and a block 13, and the lower end of the column 11 It is fixedly installed on the upper surface of the slider 6, and the clamping block 13 is rotatably installed on the upper end of the column 11, and the end surface of the clamping block 13 is arranged in an arc shape.

Specifically, the two ends of the screw 8 have opposite helical directions, and two sets of sliders 6 are respectively arranged at both ends of the screw 8 , so that the movement of the sliders 6 can be controlled by rotating the screw 8 .

Specifically, an adjusting knob 10 is fixedly mounted on one end of the screw 8 , and anti-skid lines are provided on the adjusting knob 10 , so as to facilitate the control of the screw 8 through the adjusting knob 10 .

Specifically, the upper end of the column 11 is provided with a through hole, and a rotating shaft 12 is rotatably inserted in the through hole, and one end of the rotating shaft 12 is fixedly connected with the clamping block 13 .

Specifically, one end of the rotating shaft 12 is provided with a groove, and a retaining spring 14 is clamped in the groove.

Specifically, a rubber pad 15 is pasted on the arc-shaped end surface of the block 13. By adding the rubber pad 15, the contact area is increased and has a buffering effect, preventing damage to the fixed end of the steel pipe from affecting the accuracy of the test result.

Working principle: When in use, by setting the screw 8 and rotating the adjustment knob 10, the screw 8 can be driven to rotate, so that the two sets of sliders 6 in the chute 5 are close to or far away from each other, and then the distance between the blocks 13 is adjusted, which is convenient for alignment. Steel pipes of different diameters are fixed for testing, and the device has a simple structure, is easy to carry, and is convenient and quick to use; two sets of arc-shaped end face clamping blocks 13 that cooperate with each other in the chute 5 are set opposite to each other, which is convenient for fixing steel pipes, and the operation is convenient and fast. 13 is rotated and installed on the column 11, so that when the steel pipe is bent by force, the fixing block 13 will rotate accordingly. During the process of detecting the deformation of the steel pipe, it can fully contact with the steel pipe. At the same time, when the position of the steel pipe shifts, the block 13 can be rotated to ensure the accuracy of detection.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A building steel structure bending performance detection device, comprising a base (1), is characterized in that: a support (2) is fixedly installed on the upper surface of the base (1), and a support (2) is fixedly installed on the upper end of the support (2). Cylinder (3), the movable end of the cylinder (3) is vertically downward, and the lower end of the cylinder (3) is fixedly equipped with a pressure block (4), and the two sides of the upper surface of the base (1) are respectively symmetrically provided with A chute (5), two groups of sliders (6) are arranged in the chute (5), and the sliders (6) of the two groups are slidably engaged in the chute (5), and the sliders (6) ) is fixedly installed with a bracket (9), the side of the slider (6) is provided with a threaded hole (7), and the threaded hole (7) is internally threaded with a screw (8), and the screw (8) The two ends of the chute (5) are rotated and installed at both ends of the chute (5), the bracket (9) includes a column (11) and a block (13), and the lower end of the column (11) is fixedly installed on the slider (6) The upper surface of the clamping block (13) is rotatably mounted on the upper end of the column (11), and the end surface of the clamping block (13) is arranged in an arc shape. 2. The bending performance detection device of a building steel structure according to claim 1, characterized in that: the two ends of the screw (8) have opposite helical directions, and two sets of sliders (6) are respectively arranged on the screw (8) ) at both ends. 3. A device for detecting the bending performance of a building steel structure according to claim 1, characterized in that: an adjustment knob (10) is fixedly installed at one end of the screw (8), and an adjustment knob (10) is provided on the adjustment knob (10). Non-slip texture. 4. The bending performance detection device of a building steel structure according to claim 1, characterized in that: the upper end of the column (11) is provided with a through hole, and a rotating shaft (12) is rotatably inserted into the through hole, so that One end of the rotating shaft (12) is fixedly connected with the block (13). 5 . The bending performance detection device of a building steel structure according to claim 4 , wherein a groove is opened at one end of the rotating shaft ( 12 ), and a circlip ( 14 ) is clamped in the groove. 5 . 6. The bending performance detection device of a building steel structure according to claim 1, characterized in that a rubber pad (15) is pasted on the arc-shaped end surface of the block (13).