CN217403777U - A mechanical test system for steel pipe scaffolding for construction engineering inspection - Google Patents

Abstract

The utility model relates to the technical field of construction engineering inspection, and specifically discloses a mechanical testing system for steel pipe scaffolding for construction engineering inspection. The two cylinders are arranged opposite to each other, the piston rods of the cylinders are all parallel to the detection slot and are provided with mounting seats, and the mounting seats are equipped with motors. The shaft is connected with a chuck that can clamp the scaffold, and there is a mounting frame above the testing table. The mounting frame is provided with a pressure cylinder. The free end of the piston rod of the pressure cylinder is provided with a pressing block for extruding the scaffold downward. The compressive strength test, the tensile strength test and the torsional strength test are respectively performed on the scaffold on one device, which saves the cost of the test, and is simple and convenient to operate, which is suitable for practical use.

Description

A mechanical test system for steel pipe scaffolding for construction engineering inspection

technical field

The application relates to the technical field of construction engineering inspection, and specifically discloses a mechanical test system for steel pipe scaffolding for construction engineering inspection.

Background technique

Scaffolding is a working platform set up to ensure the smooth progress of each construction process. With the emergence of a large number of modern large-scale building systems, fastener-type steel pipe scaffolding can no longer meet the needs of building construction development, and vigorously develop and promote the application of new types of scaffolding is a top priority. Practice has proved that the use of new scaffolding is not only safe and reliable in construction, but also fast in assembly and disassembly, and the amount of steel used for scaffolding can be reduced by 33%, the assembly and disassembly work efficiency is more than doubled, the construction cost can be significantly reduced, and the construction site is civilized and tidy.

The mechanical properties test of scaffolding is also an essential content. The ability of a material to resist damage under the action of external force is called the strength of the material. When the material is subjected to external force, the internal stress will be generated, the external force will increase, and the stress will increase accordingly. When the bonding force between the particles inside the material is not enough to resist the external force, the material will be damaged. The mechanical test of the pipe scaffold mainly includes resistance Compressive strength test, tensile strength test and torsional strength test.

In the process of testing traditional scaffolds, since the compressive strength test, tensile strength test and torsional strength test are tested separately, it is necessary to purchase multiple sets of testing tooling, which increases testing costs and costs. Therefore, the inventors In view of this, a mechanical test system for steel pipe scaffolding for construction engineering inspection is provided to solve the above problems.

Utility model content

The purpose of the utility model is to solve the problem that multiple sets of inspection tooling are required in the traditional process of inspecting the scaffold, which leads to high cost.

In order to achieve the above purpose, the basic scheme of the present utility model provides a mechanical test system for steel pipe scaffolding for construction engineering testing, including a testing table, the upper surface of the testing table is provided with a detection groove, and both ends of the detection groove are provided with air cylinders, two The cylinders are arranged opposite to each other, the piston rods of the cylinders are parallel to the detection slot and are provided with mounting seats, the mounting seats are equipped with motors, the two motors are also arranged oppositely, and the output shafts of the motors are parallel to the detection slots, and the output shafts of the motors are coaxial A chuck that can clamp the scaffold is connected, and a mounting frame is arranged above the testing table. The mounting frame is provided with a pressure cylinder, and the free end of the piston rod of the pressure cylinder is output downward and is provided with a pressing block for squeezing the scaffold.

The principle and effect of this basic scheme are as follows:

1. The utility model clamps the scaffold through the chuck, thereby fixing the scaffold, and then drives the chuck to rotate through the rotation of the motor, so that the scaffold can be tested for torsional strength.

1. The utility model drives the mounting seat to move through the cylinder, and then drives the motor to move, so as to drive the scaffold to stretch, so as to carry out the tensile strength test of the scaffold.

2. In the present invention, the pressure block is driven by the pressure cylinder to exert pressure on the scaffolding fixed between the chucks, so as to test the compressive strength of the scaffold.

3. Compared with the prior art, the utility model can realize the compressive strength test, tensile strength test and torsional strength test of the scaffold on one device by setting the air cylinder, the motor and the pressure cylinder, saving the test time. Cost, simple and convenient operation, suitable for practical use, and solves the problem that multiple sets of testing tooling are required in the traditional process of testing scaffolding, resulting in high cost.

Further, the upper surface of the detection table is also slidably connected with a cover plate which can cover the detection groove located under the pressing block. By setting the cover plate, during the compressive strength test and the torsional strength test, the cover plate covers the detection groove for protection, and prevents debris generated during the detection process from falling into the detection groove.

Further, the upper surface of the detection table is provided with a chute, and the cover plate is slidably connected in the chute. By arranging the chute, it is convenient to limit the position of the cover plate.

Further, limit slots are symmetrically opened on both side walls of the chute, and limit bars slidably connected in the limit slots are provided on the side walls of the cover plate on both sides. Through the mutual cooperation between the limit groove and the limit strip, it is convenient to play a guiding and limiting role in the sliding process of the cover plate.

Further, the upper surface of the cover is provided with a plurality of detection probes that can extend under the scaffold. The detection probe can detect the deformation of the scaffold during the detection process, which is convenient for visual display of the detection process.

Further, a protective strip is provided on the upper surface of the cover plate. By setting the protection strip, it is convenient to protect the detection probe during the tensile strength test.

Further, the chuck is any one of a four-jaw chuck, an actuating gripper or an electric gripper. Four-jaw chuck, start-up gripper or electric gripper are all easy to operate, and the clamping is reliable and not easy to fall off.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 shows a schematic diagram of a mechanical test system for steel pipe scaffolding for construction engineering inspection proposed in an embodiment of the present application.

Detailed ways

In order to further illustrate the technical means and effects adopted by the present utility model for realizing the intended purpose of the utility model, the following in conjunction with the accompanying drawings and preferred embodiments, the specific embodiments, structures, features and effects of the present utility model will be described in detail. Such as later.

The reference signs in the accompanying drawings include: workbench 1, detection groove 2, cylinder 3, mounting seat 4, motor 5, connecting block 6, chuck 7, chute 8, cover plate 9, detection probe 10, protection strip 11. Pressure cylinder 12, pressing block 13.

A mechanical test system for steel pipe scaffolding for construction engineering inspection, an example of which is shown in FIG. 1 : including a workbench 1, a plurality of supporting feet are arranged under the workbench 1 to support and fix the workbench 1, and the upper surface of the workbench 1 is provided with In the horizontal detection slot 2, both ends of the detection slot 2 are installed with the cylinder 3 by means of bolt connection. The piston rod of the cylinder 3 at the right end is disposed leftward in the direction of the detection groove 2 .

At the ends of the piston rods of the two cylinders 3, a mounting seat 4 is respectively connected with a screw, and a motor 5 is installed on the mounting seat 4 by means of bolt connection. The two motors 5 are also arranged opposite to each other. A connecting block 6 is installed at the end of the shaft by screws, and a chuck 7 is installed on the connecting blocks 6 by means of bolt connection.

At the back of the workbench 1, a mounting frame is welded and formed. On the top of the mounting frame, a pressure cylinder 12 is installed by bolting. The free end of the piston rod of the pressure cylinder 12 is provided with a pressing block for extruding the scaffolding downward 13. The lower surface of the clamping block is provided with an arc surface, which improves the contact effect between the pressing block 13 and the scaffold and increases the force bearing area.

In the middle position of the upper surface of the worktable 1, a chute 8 is opened that runs through the detection slot 2, and the chute 8 is slidably connected to the cover plate 9. 9 The side walls on both sides are provided with limit bars that are slidably connected in the limit grooves. A transverse installation groove is arranged on the upper surface of the cover plate 9, and a plurality of detection probes 10 are arranged in the installation groove, and the detection probes 10 can be used as ranging probes or cameras. At the rear of the installation groove, a protection strip 11 is arranged to protect the detection probe 10 during the tensile strength test.

It also includes a controller and a display. The controller is electrically connected to the cylinder 3, the motor 5, the chuck 7 and the pressure cylinder 12. The display displays the power of the cylinder 3, the motor 5 and the pressure cylinder 12 and the detection result of the detection probe 10.

In the implementation process of the utility model, the compressive strength test, the tensile strength test and the torsional strength test can be respectively carried out on the scaffold, and the specific steps are as follows:

(1) Compressive strength test: firstly clamp both ends of the scaffold by the chuck 7, move the cover plate 9 into the chute 8, cover the detection slot 2, and make the detection probe 10 in the positive direction of the scaffold , start the pressure cylinder 12, the pressure cylinder 12 drives the pressure block 13 to squeeze the scaffold, and the deformation of the scaffold is detected by the detection probe 10, so as to carry out the compressive strength test detection, according to the output power of the pressure cylinder 12 To calculate the compressive performance of the scaffold, or set the corresponding pressure sensor to measure, so as to quickly detect the compressive performance of the scaffold.

(2) Torsional strength test: firstly clamp both ends of the scaffold with the chuck 7, move the cover plate 9 into the chute 8, cover the detection slot 2, and make the detection probe 10 in the positive direction of the scaffold , start the motor 5, and drive the scaffold to rotate through the rotation of the motor 5, and the torsional strength test of the scaffold can be carried out. The tensile performance of the scaffold can be calculated according to the output power of the motor 5, or the corresponding torque sensor can be set to measure , in order to quickly test the torsion resistance of the scaffold.

(3) Tensile strength test: First, clamp both ends of the scaffold with the chuck 7, and one end of the cover plate 9 slides out of the chute 8 to expose the detection groove 2 to prevent the cover plate 9 from affecting the movement of the mounting seat 4. The mounting seat 4 is driven by the cylinder 3 to move, and the motor 5 is driven to move, thereby driving the scaffolding to stretch. The tensile performance of the scaffolding can be calculated according to the output power of the cylinder 3, or the corresponding tension sensor can be set to measure, so as to measure the scaffolding. A quick test of the tensile properties.

Compared with the prior art, the utility model can realize the compressive strength test, tensile strength test and torsional strength test of the scaffold on one device by setting the cylinder 3, the motor 5 and the pressure cylinder 12, saving the test. It has the advantages of low cost, simple and convenient operation, suitable for practical use, and solves the problem that multiple sets of testing tooling are required in the traditional process of testing scaffolding, resulting in high cost.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those skilled in the art, without departing from the scope of the technical solution of the present invention, can make some changes or modifications by using the technical content disclosed above to be equivalent embodiments of equivalent changes, but all do not depart from the technical solution content of the present invention. , any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a building engineering detects uses steel pipe scaffold frame mechanical test system which characterized in that: including examining test table, examine test table upper surface and open there is the detection groove, it all is equipped with the cylinder to examine test groove both ends, two cylinders set up in opposite directions, the piston rod of cylinder all with examine test groove parallel and be equipped with the mount pad, all be equipped with the motor on the mount pad, two motors also set up in opposite directions and the output shaft of motor all is parallel with examining test groove, the output shaft coaxial coupling of motor has can be with the tight chuck of scaffold clamp, it still is equipped with the mounting bracket to examine test table top, be equipped with pressure cylinder on the mounting bracket, pressure cylinder's piston rod free end output is equipped with the briquetting that is used for the extrusion scaffold downwards.

2. The mechanical test system for the steel pipe scaffold for building engineering detection as recited in claim 1, wherein a cover plate capable of covering a detection groove located below the pressing block is further slidably connected to the upper surface of the detection table.

3. The mechanical test system for the steel pipe scaffold for building engineering detection as claimed in claim 2, wherein a sliding groove is formed in the upper surface of the detection table, and the cover plate is slidably connected in the sliding groove.

4. The mechanical test system for the steel pipe scaffold for building engineering detection according to claim 3, wherein the side walls of the two sides of the sliding groove are symmetrically provided with limiting grooves, and the side walls of the two sides of the cover plate are provided with limiting strips which are slidably connected in the limiting grooves.

5. The mechanical test system for the steel pipe scaffold for building engineering detection as recited in claim 2 or 4, wherein the upper surface of the cover plate is provided with a plurality of detection probes capable of extending into the lower portion of the scaffold.

6. The mechanical test system for the steel pipe scaffold for building engineering detection as claimed in claim 5, wherein the upper surface of the cover plate is provided with a protection strip.

7. The mechanical test system for the steel pipe scaffold for building engineering detection as claimed in claim 1, wherein the chuck is any one of a four-jaw chuck, a start-up clamping jaw or a power-driven clamping jaw.

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