CN110056241B - A three-dimensional lever damper - Google Patents

Abstract

The invention relates to the technical field of house shock absorption, in particular to a three-dimensional lever-type damper. Three-dimensional lever-type damper, comprising a first multipod, a second multipod, a swing frame, a base plate, a cylindrical sleeve fixed with the first multipod, a spherical sleeve fixed with the second multipod, The damping body; the cylindrical sleeve is located in the center of the first multipod, the spherical sleeve is located in the center of the second multipod, the swinging frame has a cylindrical part and a spherical part, and the cylindrical sleeve is sleeved at the cylindrical part of the swinging frame, The spherical sleeve is sleeved on the spherical part of the swing frame, one end of the damping body is fixed with the swing frame, and the other end of the damping body is connected with the base plate. The damping body of the present invention utilizes frictional sliding, the characteristics of mild steel, and the principle of electromagnetic damping, respectively, to realize energy consumption and shock absorption, and to provide a variety of energy consumption and shock absorption modes, and has the characteristics of high shock absorption efficiency. Designers provide a variety of options, with a wide range of engineering application prospects.

Description

A three-dimensional lever damper

technical field

The invention relates to the technical field of house shock absorption, in particular to a three-dimensional lever-type damper.

Background technique

In recent years, my country has carried out a lot of research on the seismic isolation, vibration reduction and vibration control of engineering structures, and achieved fruitful research results. Structural vibration control technology provides a reasonable and effective way for the structure to resist earthquake. Among them, energy consumption and shock absorption is a passive control measure, which directs the seismic energy input into the structure to specially arranged mechanisms and components for absorption and energy dissipation, so as to protect the safety of the main structure.

The prefabricated structure is widely used at home and abroad because of its advantages of high production efficiency, good quality of components, less construction waste, saving resources and energy, and meeting the green development requirements of "four sections and one environmental protection". How to ensure that the prefabricated structure is not damaged under the action of earthquakes, and how to ensure the overall stability of the structure, has become a problem that needs to be solved, and energy consumption and vibration reduction technology is one of the reliable means to solve the problem.

At present, there are many energy-consuming damping devices, but the energy consumption efficiency of the existing energy-consuming damping devices is low. Therefore, it is necessary to further improve the existing damping devices.

SUMMARY OF THE INVENTION

Aiming at the technical problems existing in the prior art, the purpose of the present invention is to provide a three-dimensional lever-type damper, which can effectively reduce the seismic energy input to the main body of the structure, and has the characteristics of high energy consumption and shock absorption.

In order to achieve the above object, the present invention adopts the following technical solutions:

A three-dimensional lever-type damper, comprising a first multipod, a second multipod, a swing frame, a base plate, a cylindrical sleeve fixed with the first multipod, and a spherical sleeve fixed with the second multipod A sleeve and a damping body; the cylindrical sleeve is located in the center of the first multipod, the spherical sleeve is located in the center of the second multipod, the swing frame is provided with a cylindrical part and a spherical part, and the cylindrical sleeve is sleeved on the cylindrical part of the swing frame The spherical sleeve is fitted on the spherical part of the swing frame, one end of the damping body is fixed with the swing frame, and the other end of the damping body is connected with the base plate.

Further, the first multipod includes a plurality of first leg rods, the ends of the first leg rods are fixed with the cylindrical sleeve, and the ends of the plurality of first leg rods are distributed along the circumferential direction outside the cylindrical sleeve. surface. The first multipod facilitates connection with the superstructure or upper floor.

Further, the second multipod includes a plurality of second leg rods, ends of the second leg rods are fixed with the spherical sleeve, and the ends of the plurality of second leg rods are distributed on the outer surface of the spherical sleeve along the circumferential direction. The second multipod facilitates connection to the foundation or lower floor slab.

Further, the base plate has a spherical concave surface, the damping body includes a friction layer, a pan and a high-strength bolt placed on the spherical concave surface of the base plate, the swing frame is fixedly connected with the pan and the pan and the friction layer are connected by high-strength bolts, and the pan and the pan are fixedly connected. The friction layer is in contact with the spherical concave spherical surface, and the friction layer is in contact with the spherical concave spherical surface of the base plate. Through the friction between the friction layer and the base plate, energy consumption and shock absorption can be achieved.

Further, there are a plurality of high-strength bolts, which are evenly distributed on the pot and pan in concentric circles.

Further, the hole diameter of the bolt on the friction layer is matched with that of the high-strength bolt, and the hole diameter of the bolt on the pan is larger than the diameter of the high-strength bolt.

Further, the base plate has a spherical concave surface, the damping body includes a pot plate and a mild steel located between the pot plate and the base plate, the swing frame is fixedly connected with the pot plate, one end of the mild steel is fixedly connected with the pot plate, and the other end of the mild steel is fixedly connected. Fixed connection with the base plate. Using the characteristics of mild steel, energy consumption and shock absorption can be achieved.

Further, the base plate has a spherical concave surface, the damping body includes a guide plate, a coil, and a pot plate placed on the spherical concave surface of the base plate, the swing frame is fixedly connected with the pot plate, and a plurality of cylindrical irons are evenly distributed on the spherical convex surface of the pot plate. The coil is sleeved on the cylindrical iron core, and the cylindrical iron core is provided with a baffle plate, the baffle plate is not in contact with the guide plate, and the guide plate is fixedly connected with the base plate. Using the principle of electromagnetic damping, energy consumption and shock absorption can be realized.

Further, the swing frame is cylindrical; or, the upper end of the swing frame is cylindrical, and the lower end is forked with a plurality of leg rods to form the swing leg.

Further, the base plate is in the shape of a truncated cone; or, the base plate is in a hemispherical shape, and a support leg is provided on the spherical convex surface of the base plate.

In general, the present invention has the following advantages:

1. The damping body of the present invention utilizes friction sliding, the characteristics of mild steel, and the principle of electromagnetic damping, respectively, to realize energy consumption and shock absorption.

2. The present invention provides a variety of energy-consuming and shock-absorbing methods, and has the characteristics of high shock-absorbing efficiency, providing a variety of options for shock-absorbing designers, and has a wide range of engineering application prospects.

Description of drawings

FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.

FIG. 2 is a schematic structural diagram of Embodiment 2 of the present invention.

FIG. 3 is a schematic structural diagram of Embodiment 3 of the present invention.

FIG. 4 is a partial structural schematic diagram of Embodiment 1 of the present invention.

FIG. 5 is a schematic structural diagram of the first multipod, the second multipod, the cylindrical sleeve and the spherical sleeve of the present invention.

FIG. 6 is a partial structural schematic diagram of Embodiment 2 of the present invention.

FIG. 7 is a partial structural schematic diagram of Embodiment 3 of the present invention.

FIG. 8 is a schematic structural diagram of a cylindrical iron core, a baffle plate and a coil according to Embodiment 3 of the present invention.

FIG. 9 is a schematic diagram of the use structure of Embodiment 1 of the present invention.

FIG. 10 is a schematic diagram of the use structure of the second embodiment of the present invention.

FIG. 11 is a schematic diagram of the use structure of the third embodiment of the present invention.

Wherein, 1 is the first multipod, 2 is the second multipod, 3 is the swing frame, 4 is the base plate, 5 is the cylindrical sleeve, 6 is the spherical sleeve, 7 is the cylindrical part, 8 is the spherical part, 9 is the friction layer, 10 is the pan, 11 is the high-strength bolt, 12 is the mild steel, 13 is the guide plate, 14 is the coil, 15 is the superstructure, 16 is the foundation, 17 is the cylindrical iron core, 18 is the baffle, 19 is a swing tripod, and 20 is a supporting tripod.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in Figures 1-5, a three-dimensional lever-type damper includes a first multipod 1, a second multipod 2, a swing frame 3, a base plate 4, and a column fixed to the first multipod 1 The shape sleeve 5, the spherical sleeve 6 fixed with the second multipod 2, the damping body; the cylindrical sleeve 5 is located in the center of the first multipod 1, the spherical sleeve 6 is located in the center of the second multipod 2, and the swing frame 3 has a cylindrical part 7 and a spherical part 8, the cylindrical part 7 and the spherical part 8 are fixed on the swing frame 3, and are integrally formed with the swing frame 3, and the cylindrical sleeve 5 is sleeved on the cylindrical part 7 of the swing frame 3 The spherical sleeve 6 is sleeved at the spherical portion 8 of the swing frame 3, one end of the damping body is fixed with the swing frame 3, the other end of the damping body is connected with the base plate 4, and the first multi-pod 1 includes a plurality of first The foot rod, the end of the first foot rod is fixed with the cylindrical sleeve 5, the first multipod 1 and the cylindrical sleeve 5 are integrally formed, and the ends of a plurality of first foot rods are distributed on the column along the circumferential direction. The outer surface of the shaped sleeve 5, the second multipod 2 includes a plurality of second leg rods, the ends of the second leg rods are fixed with the spherical sleeve 6, and the second multipod 2 and the spherical sleeve 6 are integrally formed, The ends of the plurality of second leg rods are distributed on the outer surface of the spherical sleeve 6 along the circumferential direction.

As shown in FIG. 1 and FIG. 4 , the base plate 4 has a spherical concave surface, the base plate 4 is truncated, and the damping body includes a friction layer 9 placed on the spherical concave surface of the base plate 4, a pan 10, high-strength bolts 11, and a swing frame 3 Fixed connection with the pan 10, the swing frame 3 is cylindrical, the swing frame 3 and the pan 10 are integrally formed, the pan 10 has a spherical concave surface and a spherical convex surface, similar to the cooking pot in life, the pan 10 and the friction layer 9 Connected by high-strength bolts 11, the pan 10 is in contact with the spherical concave spherical surface of the friction layer 9, and the friction layer 9 is in contact with the spherical concave spherical surface of the base plate 4. There are multiple high-strength bolts 11, and they are evenly distributed on the pan 10 in concentric circles. The diameter of the bolts on the friction layer 9 matches the diameter of the high-strength bolts 11. The diameter of the bolts on the friction layer 9 is the same as the diameter of the high-strength bolts 11, which can ensure that the high-strength bolts 11 are inserted into the bolt holes. The diameter of the bolts on the pan 10 is slightly larger than that of the high-strength bolts. Bolt 11 diameter. One end of the damping body is fixed to the swing frame 3, and the other end of the damping body is connected to the base plate 4. In this embodiment, one end of the damping body refers to the pan, and the other end of the damping body refers to the friction layer.

When in use, as shown in FIG. 9 , the building includes a superstructure 15 and a foundation 16. First, connect the first multipod 1 to the superstructure 15 or the upper floor, and connect the second multipod 2 to the foundation 16 or the lower floor. Connection, when an earthquake occurs, the floor will shake due to the action of the earthquake. Since the first multipod 1 is connected to the upper floor, the upper floor will drive the first multipod 1 to shake. The sleeve 5 is sleeved on the cylindrical part 7 of the swing frame 3, and the first multipod 1 will drive the swing frame 3 to shake. Since the swing frame 3 has a spherical part 8, the spherical part 8 is sleeved with a spherical sleeve 6, and the first The multipod 1 will drive the swing frame 3 to swing. Since the swing frame 3 is fixedly connected with the pan 10, the swing frame 3 will drive the pan 10 to swing, and the pan 10 will rub against the friction layer 9 during the swinging process, which consumes energy. Part of the energy, when the pan 10 swings close to the high-strength bolts 11, it will drive the friction layer 9 to swing together, and at this time, the friction layer 9 will rub and slide on the spherical concave surface of the base plate 4, which greatly consumes the seismic energy.

Embodiment 2

Except for the following technical features, the remaining technical features not mentioned are the same as those in the first embodiment.

As shown in FIG. 2 and FIG. 6 , the base plate 4 has a spherical concave surface, the base plate 4 is hemispherical, and the spherical convex surface of the base plate 4 is provided with a supporting leg 20 , and the damping body includes the pan and pan 10 and the base plate 10 and the base plate. The mild steel 12 between the plates 4, the swing frame 3 is fixedly connected with the pan 10, the upper end of the swing frame 3 is cylindrical, and the lower end is bifurcated with a plurality of legs to form the swing leg 19, and the swing frame 3 and the pan 10 are integral After forming, one end of the mild steel 12 is fixedly connected with the pan 10 , and the other end of the mild steel 12 is fixedly connected with the base plate 4 . One end of the damping body is fixed to the swing frame 3, and the other end of the damping body is connected to the base plate 4. In this embodiment, one end of the damping body refers to the pan and the other end of the damping body refers to mild steel.

When in use, as shown in FIG. 10, connect the first multipod 1 to the upper structure 15 or the upper floor, and connect the second multipod 2 to the foundation or the lower floor. When an earthquake occurs, due to the action of the earthquake When the floor shakes, since the first multipod 1 is connected to the upper floor slab, the upper floor will drive the first multipod 1 to shake, because the first multipod 1 is fitted on the cylindrical part 7 of the swing frame 3 through the cylindrical sleeve 5 , the first multipod 1 will drive the swinging frame 3 to swing. Since the swinging frame 3 has a spherical portion 8 and the spherical portion 8 is fitted with a spherical sleeve 6, the first multipod 1 will drive the swinging frame 3 to swing. The swing frame 3 is fixedly connected with the pan 10, and the swing frame 3 will drive the pan 10 to swing. Because the pan 10 and the base plate 4 are connected through a plurality of mild steels 12, the mild steel 12 has high toughness and plasticity, and can The seismic energy is greatly consumed, so that the energy transmitted to the base plate 4 is reduced.

Embodiment 3

Except for the following technical features, the remaining technical features not mentioned are the same as those in the first embodiment.

As shown in Figure 3 and Figures 7-8, the base plate 4 has a spherical concave surface, the base plate 4 is in the shape of a truncated cone, and the damping body includes a guide plate 13, a coil 14, a pan 10, a swing frame 3 placed on the spherical concave surface of the base plate Fixed connection with the pan 10, the swing frame 3 is cylindrical, the swing frame 3 and the pan 10 are integrally formed, a plurality of cylindrical iron cores 17 are evenly distributed on the spherical convex surface of the pan 10, and the coil 14 is sleeved on the cylindrical A baffle plate 18 is arranged on the cylindrical iron core 17 , the baffle plate 18 is not in contact with the guide plate 13 , and the guide plate 13 is fixedly connected with the base plate 4 . One end of the damping body is fixed with the swing frame 3, and the other end of the damping body is connected with the base plate 4. In this embodiment, one end of the damping body refers to the pan, and the other end of the damping body refers to the guide plate.

When in use, as shown in Figure 11, connect the first multipod 1 to the upper structure or the upper floor, and connect the second multipod 2 to the foundation or the lower floor. Shaking, because the first multi-pod 1 is connected with the upper floor, the upper floor will drive the first multi-pod 1 to shake, because the first multi-pod 1 is set on the cylindrical part 7 of the swing frame 3 through the cylindrical sleeve 5 , the first multipod 1 will drive the swinging frame 3 to swing. Since the swinging frame 3 has a spherical portion 8, and the spherical portion 8 is fitted with a spherical sleeve 6, the first multipod 1 will drive the swinging frame 3 to swing. The frame 3 is fixedly connected with the pan 10, and the swing frame 3 will drive the pan 10 to swing. Since there are a plurality of cylindrical iron cores 17 evenly distributed on the spherical convex surface of the pan 10, the coil 14 is sleeved on the cylindrical iron core 17. , when the coil 14 is energized, an induced magnetic field will be generated around the coil 14, and the guide disk 13 is a metal disk. When the metal disk moves in the magnetic field, the metal disk will generate an induced current, and the induced current will cause the metal disk to be subjected to ampere force, and the ampere The direction of the force always hinders the movement of the metal disk, so that the movement of the base plate 4 is slowed down, thereby greatly reducing the seismic energy. This method mainly uses the principle of electromagnetic damping to slow down the movement of the base plate 4 .

The above-mentioned embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited by the above-mentioned embodiments, and any other changes, modifications, substitutions, combinations, The simplification should be equivalent replacement manners, which are all included in the protection scope of the present invention.

Claims (8)

1. A three-dimensional lever-type damper is characterized in that: comprising a first multipod, a second multipod, a swing frame, a base plate, a cylindrical sleeve fixed with the first multipod, and a second multipod. A spherical sleeve and a damping body fixed to the tripod; the cylindrical sleeve is located in the center of the first multipod, the spherical sleeve is located in the center of the second multipod, the swing frame is provided with a cylindrical part and a spherical part, and the cylindrical sleeve is set in the center of the second multipod. At the cylindrical part of the swinging frame, a spherical sleeve is sleeved on the spherical part of the swinging frame, one end of the damping body is fixed with the swinging frame, and the other end of the damping body is connected with the base plate; a foot rod, the end of the first foot rod is fixed with the cylindrical sleeve, the ends of a plurality of first foot rods are distributed on the outer surface of the cylindrical sleeve along the circumferential direction; the second multi-pod includes a plurality of second feet The ends of the second leg rods are fixed with the spherical sleeve, and the ends of a plurality of second leg rods are distributed on the outer surface of the spherical sleeve along the circumferential direction. 2. A three-dimensional lever type damper according to claim 1, characterized in that: the base plate has a spherical concave surface, the damping body comprises a friction layer, a pan and a high-strength bolt placed on the spherical concave surface of the base plate, and the swing frame and the The pan and pan are fixedly connected, the pan and the friction layer are connected by high-strength bolts, the pan and pan are in contact with the spherical concave spherical surface of the friction layer, and the friction layer is in contact with the spherical concave spherical surface of the base plate. 3. A three-dimensional lever-type damper according to claim 2, characterized in that: there are a plurality of high-strength bolts, which are evenly distributed on the pot and pan in concentric circles. 4. A three-dimensional lever type damper according to claim 2, wherein the diameter of the bolt on the friction layer matches that of the high-strength bolt, and the diameter of the bolt on the pan is larger than the diameter of the high-strength bolt. 5. A three-dimensional lever-type damper according to claim 1, characterized in that: the base plate has a spherical concave surface, the damping body comprises a pan and a mild steel between the pan and the base plate, and the swing frame is connected to the pan and the base plate. Fixed connection, one end of the mild steel is fixedly connected to the pan and the other end of the mild steel is fixedly connected to the base plate. 6. A three-dimensional lever-type damper according to claim 1, characterized in that: the base plate has a spherical concave surface, and the damping body comprises a guide plate, a coil, a pot plate placed on the spherical concave surface of the base plate, a swing frame and a pot plate. The plate is fixedly connected, a plurality of cylindrical iron cores are evenly distributed on the spherical convex surface of the pot plate, the coil is sleeved on the cylindrical iron core, and the cylindrical iron core is provided with a baffle plate, the baffle plate is not in contact with the guide plate, and the guide plate Fixed connection with the base plate. 7 . The three-dimensional lever type damper according to claim 1 , wherein the swinging frame is cylindrical; or the upper end of the swinging frame is cylindrical, and the lower end is bifurcated with a plurality of leg rods to form a swinging leg. 8 . 8 . The three-dimensional lever damper according to claim 1 , wherein the base plate is in the shape of a truncated cone; or, the base plate is in a hemispherical shape, and a support leg is provided on the spherical convex surface of the base plate. 9 .

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