CN216740172U - Self-centering cable support device with out-of-plane buckling metal damper - Google Patents

Abstract

The invention discloses a self-centering cable support device with an out-of-plane buckling metal damper. Steel blocks, stop bolts and end adjusters. The invention is connected with the wall through the wall fixing, and provides self-centering, out-of-plane buckling metal dampers through the disc spring group for energy dissipation. In the present invention, the device is fixed in the wall by means of the wall fixing device, and the disc spring group is connected in series in the high-strength screw rod connected with the base. The disc spring group is pre-stressed by adjusting the end-adjustable distance fixture, and the out-of-plane buckling metal damper is fixed in the U-shaped connecting groove welded with the wall fixture by bolts. Under the action of external force, the high-strength screw drives the disc spring group and the out-of-plane buckling metal damper to move to achieve the purpose of self-centering and energy consumption. The invention is simple in manufacture, convenient in construction and installation, low in cost, and strong in energy consumption and self-centering ability.

Description

A self-centering cable support device with out-of-plane buckling metal damper

technical field

The invention relates to the fields of energy dissipation and self-centering, in particular to a self-centering cable brace device with an out-of-plane buckling metal damper.

Background technique

At present, the traditional damper device and self-centering system can only play a one-sided energy dissipation or self-centering role, and there are few devices that take both into account, and the traditional damper device and self-centering system consume energy. The self-centering ability and self-centering ability are usually fixed, and cannot be adjusted reasonably with the change of the use environment. The restrictions on use are large, the function is single, and generally there are problems such as complex structure, difficult maintenance, and high cost.

Patent No. CN 112942612 U discloses a prefabricated tension-compression metal damper with replaceable corners. Cross-core shearing plates are welded in the upper and lower end plates, and internal energy-consuming wave covers are arranged on both sides of the cross-core shearing plates. The board consumes energy. The disadvantage of this device is that the energy consumption provided is small and only energy consumption, and does not provide a self-centering function.

Patent No. CN 113279495 U discloses an axial metal damper. By combining a force transmission sleeve, a force transmission shaft and an energy dissipation plate, the force transmission shaft is arranged in the force transmission sleeve along the length direction, and the outer circumference of the force transmission shaft is arranged Multiple energy dissipation plates are used to dissipate axial shearing energy when under force. The disadvantage of this device is that the energy dissipation of the device is small, it cannot be adjusted according to different environments and forces, and there is no self-centering system.

In view of the above-mentioned existing situation, a new method is proposed that has both damping energy dissipation and self-centering capability, and the energy dissipation and self-centering capability of the device can be modularized and replaced according to the structural bearing capacity requirements to better adapt to each It is a self-centering cable support device with out-of-plane buckling metal damper, which is simple in structure, strong in energy consumption and self-centering ability, low in cost, easy to replace, and convenient for maintenance. It provides self-centering capability, and the out-of-plane buckling metal damper provides energy dissipation capability to achieve the purpose of energy dissipation and self-centering, and has a good application prospect.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a self-centering cable support device with an out-of-plane buckling metal damper, which is used to solve the problem that traditional dampers and self-centering systems usually only have unilateral energy dissipation or self-centering effects, and cannot Both, and usually the energy consumption and self-centering capacity of the traditional damper device and self-centering system are difficult to be replaced in time according to the bearing capacity of the structure to better meet the actual needs of various projects. The cost is high, the production process is complex, the installation is inconvenient, the maintenance is complicated, the self-centering ability is weak, the energy consumption is small, and the long-term stress relaxation is large.

In order to achieve the above purpose, the present invention provides the following technical solutions: a self-centering cable support device with an out-of-plane buckling metal damper, which includes, from top to bottom, an end distance-adjusting fixture, a high-strength screw, a limit bolt, and a connecting steel block. , Out-of-plane buckling metal dampers, U-shaped connecting grooves, wall mounts, disc spring sets and bases. The out-of-plane buckling metal dampers include connecting steel blocks, diamond-shaped hole steel plates, large steel plates and small steel plates.

A hole is punched in the middle of the base, and one end of the high-strength screw rod is inserted into the base and passed through a certain distance to be fixed by tightening the nut. The high-strength screw rod is made of high-strength steel material. Put the disc spring group through the high-strength screw and put it between the base and the high-strength screw in series, and it is located under the bottom surface of the wall fixture. Each disc spring in series in a disc spring set fits against each other. The surface of the disc spring farthest from the base in the disc spring group is in contact with the bottom surface of the wall holder but not fixed. The two side surfaces of the wall fixing device are fixed to the wall, the two side surfaces of the wall fixing device and the wall surface are respectively punched, and the wall fixing device and the wall are fixed by bolts. The upper surface of the wall fixture and the U-shaped connecting groove are fixed by welding to form a whole.

One side of the diamond-shaped hole steel plate of the out-of-plane buckling metal damper is welded to the large steel plate and the other side is welded to the small steel plate to form a whole. The diamond-shaped hole steel plate is divided into upper and lower layers through series and parallel connection. The diamond-shaped hole steel plate is fixed on the large steel plate and the small steel plate, and connecting steel blocks are arranged between the left and right small steel plates. The out-of-plane buckling metal damper and the U-shaped connecting groove are fixed by bolts. Holes are made on the large steel plate of the out-of-plane buckling metal damper, and holes are made at the corresponding positions of the U-shaped connecting groove. The U-shaped connecting groove is fixed so that the out-of-plane buckling metal damper, the U-shaped connecting groove and the wall fixture form a whole. There is a reserved hole in the middle of the connecting steel block. The high-strength screw rod passes through the reserved hole of the connecting steel block. The connecting steel block is fixed on the high-strength screw rod through two limit bolts. When the component is subjected to external force, the external force is transmitted to the high-strength screw rod. The high-strength screw drives the out-of-plane buckling metal damper to move to achieve the purpose of energy consumption.

The disc spring group is attached to the base, but the two are not fixed, and the disc spring group is attached to the bottom surface of the wall fixture, but the two are not fixed.

The size and number of the disc spring group are not fixed, and can be adjusted and replaced according to the magnitude of the external force. The size and number of diamond-shaped hole steel plates in the out-of-plane buckling metal damper are not fixed. It can be adjusted and replaced according to the external force.

The high-strength screw rod passes through the reserved hole on the beam for a certain distance, and by adjusting the distance between the end-adjusting distance fixer and the top of the high-strength screw rod, the disc spring group is compressed, and the application of prestress to the disc spring group is realized. After the spring group is compressed to obtain the prestress, the limit bolts connecting the two ends of the steel block are tightened to make the whole component form a whole.

The middle part of the connecting steel block is punched, and along the hole reserved in the middle of the connecting steel block, the hole is punched at the same position in the middle of the U-shaped connecting groove and the same position in the middle of the wall fixture, and the hole diameter is slightly larger than that of the high-strength bolt. The diameter allows the high-strength bolts to smoothly penetrate through the connecting steel blocks, U-shaped connecting grooves and wall fixtures.

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

1. The present invention overcomes the current situation that the traditional damper and the self-centering system can only consume energy unilaterally or the self-centering function cannot take both of them into consideration. The device provides energy dissipation capability to realize the combination mechanism of damping and self-centering, which can achieve good energy dissipation and self-centering effect.

2. The present invention overcomes the fact that the size and capacity of general devices are fixed after they leave the factory, and cannot be adjusted according to different use environments and structures. By changing the size and quantity of the disc spring group and the size and quantity of the diamond-shaped hole steel plate, Modular replacement can be realized according to the bearing capacity of the structure, which is more favorable for application in various environments and structures.

3. The present invention can overcome the disadvantages of the commonly used dampers and self-centering system devices, such as complex production process, high cost, short life, difficult component replacement, etc. The purpose of combining the two capabilities of centering, and at the same time, the device is convenient to replace parts, has a long service life, is low in cost, and is easy to use, which is beneficial to its popularization.

Description of drawings

In order to illustrate the technical solutions of the present invention more clearly, the following will briefly introduce the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, which are common in the art. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without any creative effort.

1 is a general three-dimensional structural diagram of a self-centering cable brace device with an out-of-plane buckling metal damper according to the present invention;

Fig. 2 is a top view of a self-centering cable brace device with out-of-plane buckling metal damper according to the present invention;

3 is a side view of a self-centering cable brace device with an out-of-plane buckling metal damper according to the present invention;

4 is a cross-sectional view of an out-of-plane buckling metal damper of a self-centering cable stay device with an out-of-plane buckling metal damper according to the present invention;

In the picture 1- base, 2- disc spring group, 3- wall fixer, 4- out-of-plane buckling metal damper, 5- U-shaped connecting groove, 6- high-strength screw rod, 7- connecting steel block, 8- limit Position bolts, 9-end adjustable spacers, 10-diamond hole steel plate, 11-large steel plate, 12-small steel plate.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative breakthrough work fall within the protection scope of the present invention.

With reference to Figures 1 to 4, a self-centering cable support device with out-of-plane buckling metal dampers includes, from top to bottom, an end distance-adjusting fixture (9), a high-strength screw (6), and a limit bolt (8), connecting steel block (7), out-of-plane buckling metal damper (4), U-shaped connecting groove (5), wall fixture (3), disc spring group (2) and base (1). The out-of-plane buckling metal damper (4) includes a connecting steel block (7), a diamond-shaped hole steel plate (10), a large steel plate (11) and a small steel plate (12).

In this embodiment, one end of the high-strength screw rod (6) is passed through a part of the base (1), and then screwed and fixed with a nut. Through the high-strength screw (6), from the other end of the high-strength screw (6), twenty disc springs are inserted in series to form a disc spring group (2), which is placed on the base (1), and the disc spring set (2) is connected to the base. (1) Fit but not fixed. Through the holes reserved on the wall holder (3), insert the wall holder (3) into the high-strength screw (6), so that the bottom surface of the wall holder (3) fits the disc spring group (2) But both are not fixed. Insert the U-shaped connecting groove (5) into the high-strength screw (6) through the reserved hole on the U-shaped connecting groove (5), and connect the U-shaped connecting groove (5) to the wall holder (3) by welding. fixed as a whole.

In this embodiment, two limit bolts (8) are screwed into the high-strength screw (6) and the connecting steel block (7) is inserted into the high-strength screw (6) at a certain distance from the upper end of the U-shaped connecting groove (5). The bolt (8) is below the connecting steel block (7), and a limit bolt (8) is above the connecting steel block (7). Weld one side of the diamond-shaped hole steel plate (10) of the out-of-plane buckling metal damper (4) to the large steel plate (11) and one side to the small steel plate (12), and then adjust the limit bolts (8) and the connecting steel The position of the block (7), the left and right small steel plates (12) are fixed to the connecting steel block (7) by welding, so that the damper is connected as a whole, and the out-of-plane buckling metal damper (4) passes through the large steel plate (11). And the reserved holes on the U-shaped connecting groove (5) are bolted to fix the out-of-plane buckling metal damper (4) with the U-shaped connecting groove (5).

In this embodiment, the limit bolt (8) is not tightened at the beginning, and the end of the high-strength screw (6) away from the base (1) is inserted into the reserved hole on the beam and protrudes from the top of the beam for a certain distance, and is fixed by adjusting the distance at the end. The device (9) applies prestress to the disc spring group (2), and after the prestress is applied, the limit bolt (8) is tightened so that the components are combined to form a whole.

In this embodiment, all the components are detachable and easy to replace, which is suitable for situations where the environment is more complicated.

Although the invention has been described above in general language, some modifications and adjustments can be made on the basis of this invention, but within the spirit and principles of the invention, all Any modification, equivalent replacement, improvement, etc. made should be included within the protection scope of the invention.

Claims (8)

1. A self-centering cable support device with an out-of-plane buckling metal damper, characterized in that: the device comprises, from top to bottom, an end distance-adjusting fixture (9), a high-strength screw (6), a limit bolt (8), connecting steel block (7), out-of-plane buckling metal damper (4), U-shaped connecting groove (5), wall fixture (3), disc spring group (2), base (1), The out-of-plane buckling metal damper (4) includes a connecting steel block (7), a diamond-shaped hole steel plate (10), a large steel plate (11), and a small steel plate (12). 2. The self-centering cable support device with an out-of-plane buckling metal damper according to claim 1, characterized in that: one end of the high-strength screw (6) passes through the base (1) and is fastened with a nut, and the dish-shaped The spring group (2) is sheathed in a high-strength screw rod (6) connected to the base (1) through a series connection. 3. A self-centering cable support device with an out-of-plane buckling metal damper according to claim 1, characterized in that: the wall anchor (3) is fixed to the wall by bolts, and the wall anchor (3) and the U-shaped connecting groove (5) are formed into a whole by welding. 4. A self-centering cable support device with an out-of-plane buckling metal damper according to claim 1, characterized in that: one side of the diamond-shaped hole steel plate (10) of the out-of-plane buckling metal damper (4) Welded on the large steel plate (11), one side is welded on the small steel plate (12), the left and right small steel plates (12) are connected as a whole through the connecting steel blocks (7), and the out-of-plane buckling metal damper ( 4) Through the reserved holes on the large steel plate (11), it is fixed in the U-shaped connecting groove (5) with bolts, and the out-of-plane buckling metal damper (4) is welded to the connecting steel block (7) through the small steel plate (12) to connect The steel block (7) is fixed in the high-strength screw (6) by the limit bolt (8). When the component is subjected to external force, the high-strength screw (6) drives the out-of-plane buckling metal damper (4) to move to realize energy consumption. 5. A self-centering cable support device with out-of-plane buckling metal damper according to claim 1, characterized in that: the disc spring group (2) is for the base (1) and the wall fixture (3) All fit but not fixed. 6. The self-centering cable support device with out-of-plane buckling metal damper according to claim 1, wherein the size and quantity of the disc spring group (2) can be adjusted and adjusted according to the magnitude of the force. For replacement, the size and quantity of the diamond-shaped hole steel plates (10) in the out-of-plane buckling metal damper (4) can be adjusted and replaced according to the magnitude of the force. 7. A self-centering cable support device with an out-of-plane buckling metal damper according to claim 1, characterized in that: the high-strength screw (6) passes through a reserved hole on the beam, and is adjusted by adjusting the end The distance holder (9) realizes the application of prestress to the disc spring group (2). 8. A self-centering cable support device with an out-of-plane buckling metal damper according to claim 1, characterized in that: the middle part of the connecting steel block (7) is perforated, and the middle part of the U-shaped connecting groove (5) Punch holes in the middle of the wall holder (3), the diameter of which is slightly larger than the diameter of the high-strength screw (6), so that the high-strength screw (6) passes through the connecting steel block (7), the U-shaped connecting groove (5) and the wall Holder (3).

Images