CN212030898U - Soft steel damper test device - Google Patents

Abstract

The utility model discloses a mild steel attenuator test device relates to test equipment technical field, include: a pedestal; the mounting component is internally provided with a mounting position for mounting the mild steel damper, the lower end of the mounting component is connected with the pedestal through a lower connecting plate, and the upper end of the mounting component is connected with the loading device through an upper connecting plate; the device has simple manufacturing process, is convenient to machine and form, has lower cost and is convenient to transport and install; the device has high test efficiency and strong applicability, and can meet the test requirements of various types of mild steel dampers.

Description

A mild steel damper test device

technical field

The utility model belongs to the technical field of testing equipment, and more particularly relates to a testing device for a mild steel damper.

Background technique

At present, energy dissipation and shock absorption technology has been widely used in building structures. By setting a certain number of dampers in the structure, the seismic performance of the whole structure is improved. As a displacement type damper, mild steel damper is widely used due to its advantages of simple structure and convenient construction. Different structures have different design requirements for the damper. In order to quickly and accurately determine the working performance parameters of the damper, it is necessary to use a mild steel damper test device to test it.

At present, most of the loading devices of mild steel dampers are loaded by a four-bar linkage mechanism. The horizontal load is applied by the actuator to cause the mild steel dampers to move each other. At the same time, the load beam and the actuator are lowered by counterweight The vertical load applied by the test piece makes the test piece only subjected to horizontal shearing. This kind of test device is complicated to install and has a large volume.

Utility model content

The purpose of the utility model is to provide a mild steel damper test device, which is simple in structure, convenient in operation, strong in applicability and accurate in test results, aiming at the deficiencies in the prior art.

In order to achieve the above purpose, the utility model provides a mild steel damper test device, comprising:

Pedestal;

An installation assembly, an installation position is provided inside, the installation position is used to install the mild steel damper, the lower end of the installation assembly is connected with the pedestal through the lower connecting plate, and the upper end of the installation assembly is connected through the upper connecting plate connected to the loading device.

Optionally, the mounting assembly includes:

the middle plate, the upper end of which is detachably connected to the upper connecting plate, and the lower end is provided with a displacement gauge;

The side plates are arranged on both sides of the middle plate, the lower ends of the side plates are detachably connected to the lower connecting plate, and the installation position is formed between the side plates and the middle plate.

Optionally, there are two side plates, and the two side plates are symmetrically arranged on both sides of the middle plate.

Optionally, the installation assembly further includes an installation angle steel, and the mild steel damper is detachably installed in the installation position through the installation angle steel.

Optionally, the lower connecting plate includes a first bottom portion and a first elevation portion, the first elevation portion is perpendicular to the first bottom portion, and the first bottom portion is connected to the pedestal, The first elevation portion is connected with the mounting assembly.

Optionally, there are two first façade parts, a first installation groove is arranged between the two first façade parts, and the side plate is detachably installed in the first installation groove .

Optionally, the upper connecting plate includes a second bottom portion and a second elevation portion, the second elevation portion is perpendicular to the second bottom portion, and the second bottom portion is connected to the loading device , the second elevation part is connected with the mounting assembly.

Optionally, there are two second façade parts, a second installation groove is arranged between the two second façade parts, and the middle plate is detachably installed in the second installation groove .

Optionally, the pedestal includes:

bottom plate;

a top plate, arranged above the bottom plate;

One end of the connecting plate is connected with the bottom plate, and the other end is connected with the top plate.

Optionally, there are two connecting plates, the cross-section of the connecting plates is U-shaped, the two connecting plates are symmetrically arranged with respect to the center line of the bottom plate, and the two connecting plates pass through the stiffening rib plates. connected.

The utility model provides a mild steel damper test device, the beneficial effects of which are:

1. The device uses the gap between the side plate and the middle plate as the installation position, and installs the mild steel damper vertically. The loading device loads the mild steel damper vertically. Compared with the traditional lateral loading type mild steel damper The device test device, which does not need to calculate the influence of the gravity of the test device on the test results during the test, is easy to operate and improves the accuracy of the test;

2. Each part of the device can be made of section steel, which is not only low cost, easy to process, but also very convenient to disassemble;

3. When the device is in use, the shear deformation of the mild steel damper under the current loading state can be directly read through the displacement meter, which is convenient and fast to use.

Other features and advantages of the present invention will be described in detail in the detailed description section that follows.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of the exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein, in the exemplary embodiments of the present invention, the same reference Numbers usually refer to the same parts.

FIG. 1 shows a schematic structural diagram of a mild steel damper test device according to an embodiment of the present invention.

FIG. 2 shows a schematic diagram of the connection structure between the mild steel damper and the installation angle steel of a mild steel damper test device according to an embodiment of the present invention.

Fig. 3 shows a schematic view of the front structure of the installation angle steel of a mild steel damper test device according to an embodiment of the present invention.

FIG. 4 shows a schematic side view of the structure of the installation angle steel of a mild steel damper test device according to an embodiment of the present invention.

FIG. 5 shows a schematic structural diagram of a side plate of a mild steel damper test device according to an embodiment of the present invention.

FIG. 6 shows a schematic structural diagram of a middle plate of a mild steel damper test device according to an embodiment of the present invention.

FIG. 7 shows a schematic front view of the structure of the upper connecting plate of a mild steel damper test device according to an embodiment of the present invention.

Fig. 8 shows a schematic side view of the structure of the upper connecting plate of a mild steel damper test device according to an embodiment of the present invention.

Fig. 9 shows a schematic top view of the structure of the upper connecting plate of a mild steel damper test device according to an embodiment of the present invention.

Fig. 10 shows a schematic front view of the structure of the lower connecting plate of a mild steel damper test device according to an embodiment of the present invention.

Fig. 11 shows a schematic side view of the structure of the lower connecting plate of a mild steel damper test device according to an embodiment of the present invention.

12 shows a schematic top view of the structure of the lower connecting plate of a mild steel damper test device according to an embodiment of the present invention.

FIG. 13 shows a schematic front view of the structure of a bench of a mild steel damper test device according to an embodiment of the present invention.

FIG. 14 shows a schematic plan view of the structure of a bench of a mild steel damper test device according to an embodiment of the present invention.

FIG. 15 shows a schematic diagram of the bottom plate structure of a bench of a mild steel damper test device according to an embodiment of the present invention.

FIG. 16 shows a schematic structural diagram of a mild steel damper test device in a use state according to an embodiment of the present invention.

Description of reference numbers:

1. Pedestal; 2. Mild steel damper; 3. Lower connecting plate; 4. Upper connecting plate; 5. Middle plate; 6. Side plate; 7. Mounting angle steel; 8. The first bottom surface; 9. The first vertical Face; 10, the first installation slot; 11, the second bottom face; 12, the second elevation part; 13, the second installation slot; 14, the bottom plate; 15, the top plate; 16, the connecting plate; 17, the stiffening rib plate ; 18, displacement gauge; 19, loading device; 20, gantry.

Detailed ways

Preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The utility model provides a mild steel damper test device, comprising:

Pedestal;

The installation component is internally provided with an installation position, and the installation position is used to install the mild steel damper.

Specifically, the pedestal can fix the mounting assembly under the loading device, and the loading device loads the upper end of the mounting assembly through the upper connecting plate, and then loads the mild steel damper in the mounting position, so that the mild steel damper undergoes in-plane shearing deformation, the performance of the mild steel damper is analyzed by measuring the deformation amount.

Optionally, the installation components include:

The middle plate, the upper end is detachably connected with the upper connecting plate, and the lower end is provided with a displacement gauge;

The side plates are arranged on both sides of the middle plate, the lower ends of the side plates are detachably connected with the lower connecting plate, and an installation position is formed between the side plates and the middle plate.

Specifically, the mild steel damper is installed between the side plate and the middle plate, and the loading device loads the middle plate through the upper connecting plate, so that the middle plate moves up and down relative to the side plate, and the mild steel damper undergoes shear deformation and is arranged in the middle The displacement meter at the bottom of the plate is used to collect the displacement value of the middle plate during the test process, and the displacement value collected by the displacement meter is the value of the shear deformation of the mild steel damper.

Optionally, the displacement meter adopts a telescopic displacement sensor, the housing end is fixed on the lower end of the intermediate plate, and the telescopic end is in contact with the upper surface of the pedestal.

In other examples, the housing end of the displacement gauge is secured to the top plate of the pedestal, and the telescoping end is in contact with the lower end of the middle plate.

Optionally, there are two side plates, and the two side plates are symmetrically arranged on both sides of the middle plate.

Optionally, two intermediate plates are provided.

Specifically, the two side plates are symmetrically arranged, so that the two mild steel dampers are symmetrical with respect to the centers of the two middle plates, and the loading position of the loading device is collinear with the centers of the two middle plates during loading, which can avoid the The eccentric action causes the mild steel damper to generate a bending moment, which affects the test results and makes the measurement more accurate.

Optionally, the installation assembly further includes an installation angle steel, and the mild steel damper is detachably installed in the installation position through the installation angle steel.

Specifically, mounting angle steels are installed on both sides of the mild steel damper through bolts.

Optionally, the size of the mild steel damper is 250mm×400mm×8mm, and 6 bolt holes with a diameter of 22mm are opened on the left and right sides of the mild steel damper; the slit width of the steel plate is 5mm, and the two sides of the slit are rounded; The slot width is 20mm; the size of the middle plate is 600mm×340mm×20mm (length×width×thickness); the size of the side plate is 600mm×500mm×20mm (length×width×thickness); the size of the installation angle steel is 88mm×56mm×8mm ×4mm (long side×short side×thickness×total length); the size of each part of the device can be adjusted according to the specific test plan or actual engineering needs.

Optionally, the lower connecting plate includes a first bottom part and a first vertical part, the first vertical part is perpendicular to the first bottom part, the first bottom part is connected with the pedestal, and the first vertical part is connected with the mounting assembly .

Optionally, there are two first façade parts, a first installation groove is arranged between the two first façade parts, and the side plate is detachably installed in the first installation groove.

Optionally, the upper connecting plate includes a second bottom portion and a second elevation portion, the second elevation portion is perpendicular to the second bottom portion, the second bottom portion is connected with the loading device, and the second elevation portion is connected with the mounting assembly. connect.

Optionally, there are two second facade parts, a second installation slot is arranged between the two second facade parts, and the middle plate is detachably installed in the second installation slot.

Optionally, the left end of the mild steel damper in the left half is connected with the side plate on the left side by high-strength bolts, and the right end of the mild steel damper in the left half is connected with the middle plate by high-strength bolts;

The right end of the mild steel damper in the right half is connected with the side plate on the right side by high-strength bolts, and the left end of the mild steel damper in the right half is connected with the middle plate by high-strength bolts;

The connection between the mild steel damper and the installation angle steel is connected by high-strength bolts;

The side plate and the lower connecting plate of the device are connected by high-strength bolts, and the lower connecting plate is fixed on the pedestal by high-strength bolts;

The middle plate and the upper connecting plate are connected by high-strength bolts, and the upper connecting plate is connected to the loading device, and the upper connecting plate is moved by the up and down reciprocating loading of the loading device, so that the mild steel damper is sheared and deformed.

Optionally, the pedestal includes:

bottom plate;

The top plate is arranged above the bottom plate;

One end of the connecting plate is connected with the bottom plate, and the other end is connected with the top plate.

Optionally, there are two connecting plates, the cross-section of the connecting plates is U-shaped, the two connecting plates are symmetrically arranged with respect to the center line of the bottom plate, and the two connecting plates are connected by stiffening rib plates.

Specifically, the connecting plate can be made of channel steel.

Example

As shown in Figure 1 to Figure 16, the present utility model provides a mild steel damper test device, including:

pedestal 1;

The installation assembly has an installation position inside, the installation position is used to install the mild steel damper 2, the lower end of the installation assembly is connected to the base 1 through the lower connecting plate 3, and the upper end of the installation assembly is connected to the loading device 19 through the upper connecting plate 4. .

Optionally, the installation components include:

The middle plate 5, the upper end is detachably connected with the upper connecting plate 4, and the lower end is provided with a displacement gauge 18;

The side plates 6 are arranged on both sides of the middle plate 5 , the lower ends of the side plates 6 are detachably connected to the lower connecting plate 3 , and an installation position is formed between the side plates 6 and the middle plate 5 .

Optionally, there are two side plates 6 , and the two side plates 6 are symmetrically arranged on both sides of the middle plate 5 .

Optionally, the installation assembly further includes an installation angle steel 7 , and the mild steel damper 2 is detachably installed in the installation position through the installation angle steel 7 .

Optionally, the lower connecting plate 3 includes a first bottom surface 8 and a first vertical surface 9, the first vertical surface 9 is perpendicular to the first bottom surface 8, the first bottom surface 8 is connected with the pedestal 1, and the first vertical surface The face 9 is connected to the mounting assembly.

Optionally, there are two first elevation parts 9 , a first installation groove 10 is disposed between the two first elevation parts 9 , and the side plate 6 is detachably installed in the first installation groove 10 .

Optionally, the upper connecting plate 4 includes a second bottom portion 11 and a second elevation portion 12, the second elevation portion 12 is perpendicular to the second bottom portion 11, the second bottom portion 11 is connected with the loading device 19, the second The façade portion 12 is connected to the mounting assembly.

Optionally, two second elevation parts 12 are provided, a second installation groove 13 is provided between the two second elevation parts 12 , and the intermediate plate 5 is detachably installed in the second installation groove 13 .

Optionally, the pedestal 1 includes:

bottom plate 14;

The top plate 15 is arranged above the bottom plate 14;

One end of the connecting plate 16 is connected to the bottom plate 14 and the other end is connected to the top plate 15 .

Optionally, there are two connecting plates 16 , the cross-section of the connecting plates 16 is U-shaped, the two connecting plates 16 are symmetrically arranged relative to the center line of the bottom plate 14 , and the two connecting plates 16 are connected by a stiffening rib plate 17 .

To sum up, when using the mild steel damper test device provided by the present invention, firstly, two mild steel dampers 2 are installed on the installation position through the installation angle steel 7, and the mild steel dampers 2 are fixed by bolts. The loading device 19 adopts a 500kN or 1000kN quick loading actuator (MTS). The loading device 19 is installed on the gantry 20, and the mild steel damper test device equipped with two mild steel dampers 2 is placed in the gantry 20 for loading. Below the device 19, when the loading device 19 is in use, it is ensured that the loading center coincides with the center of the intermediate plate 5, so that the mild steel damper 2 is only subjected to shearing action. During loading, the intermediate plate 5 produces a downward displacement, and the displacement is measured by the displacement meter 18, which can directly reflect the shear deformation of the mild steel damper 2 under the action of the loading load.

The device has a simple manufacturing process, is easy to process and form, has a low cost, and is easy to transport and install; the device has high test efficiency and strong applicability, and can meet the test requirements of various types of mild steel dampers.

Various embodiments of the present invention have been described above, and the foregoing descriptions are exemplary, not exhaustive, and not limiting of the disclosed embodiments. Numerous modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. a mild steel damper test device, is characterized in that, comprises: Pedestal; An installation assembly, an installation position is provided inside, the installation position is used to install the mild steel damper, the lower end of the installation assembly is connected with the pedestal through the lower connecting plate, and the upper end of the installation assembly is connected through the upper connecting plate connected to the loading device. 2. The mild steel damper test device according to claim 1, wherein the mounting assembly comprises: the middle plate, the upper end of which is detachably connected to the upper connecting plate, and the lower end is provided with a displacement gauge; The side plates are arranged on both sides of the middle plate, the lower ends of the side plates are detachably connected to the lower connecting plate, and the installation position is formed between the side plates and the middle plate. 3 . The mild steel damper test device according to claim 2 , wherein there are two side plates, and the two side plates are symmetrically arranged on both sides of the middle plate. 4 . 4 . The mild steel damper test device according to claim 2 , wherein the installation assembly further comprises an installation angle, and the mild steel damper is detachably installed in the installation position through the installation angle. 5 . . 5 . The mild steel damper test device according to claim 2 , wherein the lower connecting plate comprises a first bottom portion and a first elevation portion, and the first elevation portion is perpendicular to the first elevation portion. 6 . A bottom surface, the first bottom surface is connected with the pedestal, and the first vertical surface is connected with the mounting assembly. 6 . The mild steel damper test device according to claim 5 , wherein there are two first facade parts, and a first installation groove is arranged between the two first facade parts, 6 . The side plate is detachably installed in the first installation groove. 7 . The mild steel damper test device according to claim 2 , wherein the upper connecting plate comprises a second bottom portion and a second elevation portion, and the second elevation portion is perpendicular to the second elevation portion. 8 . The bottom part, the second bottom part is connected with the loading device, and the second elevation part is connected with the mounting assembly. 8 . The mild steel damper test device according to claim 7 , wherein there are two second façade parts, and a second installation groove is arranged between the two second façade parts, 9 . The intermediate plate is detachably installed in the second installation groove. 9. The mild steel damper test device according to claim 1, wherein the pedestal comprises: bottom plate; a top plate, arranged above the bottom plate; One end of the connecting plate is connected with the bottom plate, and the other end is connected with the top plate. 10 . The mild steel damper test device according to claim 9 , wherein there are two connecting plates, the cross-section of the connecting plates is U-shaped, and the two connecting plates are opposite to the bottom plate. 11 . The center lines of the two are symmetrically arranged, and the two connecting plates are connected by a stiffening rib plate.

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