CN113216437B - Assembled building damping device - Google Patents

Abstract

The invention discloses a novel assembled building shock absorbing device, comprising a shock absorbing body, a first support plate, a second support plate and a side support plate; the shock absorbing body comprises a piston rod, and a first cylinder body sleeved on the bottom of the piston rod , the second cylinder is arranged above the first cylinder and the stopper is installed on the top of the second cylinder; the piston rod is vertically arranged, and the bottom end is fixedly connected with the center of the first support plate; the first support plate is connected to the first support plate. A first spring is defined between the cylinder bodies; the side support plate is slidably connected to the first cylinder body; the side wall of the second cylinder body is fixedly connected to the second support plate; a high-strength spring is defined between the stopper and the second cylinder body. The invention can cope with the vibration in all directions, convert the vibration energy into stages, and has a good shock absorption effect; and the pressure instability in the cylinder does not occur in the shock absorption main body.

Description

A prefabricated building shock absorber

technical field

The invention relates to the technical field of building shock absorption, in particular to a prefabricated building shock absorption device.

Background technique

Shock absorption, that is, building shock absorption technology, building shock absorption is to set energy dissipation devices in some parts of the structure, through the device to generate friction, bending, elastic-plastic hysteretic deformation to dissipate or absorb the energy input to the structure by the earthquake, in order to reduce the energy consumption. The seismic response of the small main structure, so as to avoid the damage or collapse of the structure, and achieve the purpose of shock absorption control; the transmission shock absorption devices of the building are purely for shock absorption perpendicular to the bottom surface; but the vibration is ubiquitous and comes from other The directional vibration is often more destructive to the building; and the existing building damping device does not incorporate the emerging magnetorheological vibration control technology in recent years.

Therefore, it is urgent to design a prefabricated building shock absorption device that can cope with vibrations in all directions and can be adjusted according to different levels of vibration intensity.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a prefabricated building shock absorbing device to solve the above-mentioned problems in the prior art, which can cope with vibrations in all directions, and can be adjusted according to different levels of vibration intensity.

In order to achieve the above object, the present invention provides the following solutions: the present invention provides a prefabricated building damping device, comprising a damping main body, a first support plate, a second support plate and a side support plate;

The shock absorbing body includes a piston rod, a first cylinder sleeved on the bottom of the piston rod, a second cylinder set above the first cylinder, and a stop mounted on the top of the second cylinder; The piston rod is vertically arranged, and the bottom end is fixedly connected to the center of the first support plate; a first spring is defined between the first support plate and the first cylinder; the side support plate is connected to the The first cylinder body is slidably connected; the side wall of the second cylinder body is fixedly connected to the second support plate; a high-strength spring is defined between the stopper and the second cylinder body.

Both the first cylinder and the second cylinder are filled with magnetorheological fluid; the piston rod slides through the first cylinder and extends into the second cylinder; a first splint is installed on the piston rod , the first clamping plate is wound with a coil; the first clamping plate is placed in the first cylinder.

The second cylinder body comprises a side cylinder, a first sealing end cover, a second sealing end cover and an inner support plate; the middle part of the outer wall of the side cylinder is fixedly connected with the second support plate; the middle part of the inner support plate is installed There is a second splint; the coil is wound around the second splint;

The inner support plate is arranged on the inner side of the side cylinder and has a cylindrical structure, and the inner ring of the inner support plate is adapted to the piston rod; the top and bottom of the side cylinder and the inner support plate pass through the The first sealing end cap and the second sealing end cap are sealed and connected; the top of the first sealing end cap is provided with a vertical protrusion with a hollow structure; the stopper seals the top of the vertical protrusion.

The top surface of the first cylinder body and the middle of the side wall are also fixedly connected with a number of connecting plates; the side support plates are arc-shaped structures, and are divided into four pieces; the four side support plates are spliced with each other to form a pot shape structure; the top of each side support plate is provided with two sliding plates along the horizontal direction; the two sliding plates are correspondingly arranged with the two connecting plates and are respectively limited in the two connecting plates.

A first sliding block is also defined between the two sliding plates; a second sliding block is elastically connected to the connecting plate on the top through a second spring; the bottom surface of the second sliding block is adapted to the top surface of the first sliding block and Swipe settings.

The connecting plate is provided with a chute, and the slide plate is embedded in the chute; the movable end of the slide plate is also fixedly connected with a clamping block.

A stopper is provided on the bottom surface of the stopper; the outer ring of the stopper and the inner ring of the high-strength spring are mutually defined.

The invention discloses the following technical effects: the invention can cope with vibrations in all directions, convert the vibration energy into stages, and has a good shock absorption effect; and the shock absorption body does not cause unstable pressure in the cylinder.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.

Fig. 1 is the overall structure schematic diagram of the present invention;

Figure 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a partial enlarged view of the present invention.

Among them, 1-first support plate, 2-second support plate, 3-side support plate, 4-piston rod, 5-first cylinder, 6-second cylinder, 7-block, 8-first Spring, 9-high-strength spring, 10-first clamping plate, 11-coil, 12-side cylinder, 13-first sealing end cap, 14-second sealing end cap, 15-inner support plate, 16-vertical protrusion , 17-connecting plate, 18-slide, 19-first slider, 20-second slider, 21-second spring, 22-ring connecting frame.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

The present invention provides a prefabricated building shock absorbing device, comprising a shock absorbing body, a first support plate 1, a second support plate 2 and a side support plate 3;

The damping main body includes a piston rod 4, a first cylinder 5 sleeved on the bottom of the piston rod 4, a second cylinder 6 arranged above the first cylinder 5, and a stopper 7 installed on the top of the second cylinder 6; The piston rod 4 is vertically arranged, and the bottom end is fixedly connected to the center of the first support plate 1; a first spring 8 is defined between the first support plate 2 and the first cylinder 5; the side support plate 3 and the first cylinder 5 Sliding connection; the side wall of the second cylinder 6 is fixedly connected with the second support plate 2 ; a high-strength spring 9 is defined between the blocking seat 7 and the second cylinder 6 .

The first cylinder block 5 and the second cylinder block 6 are filled with magnetorheological fluid; the piston rod 4 slides through the first cylinder block 5 and extends into the second cylinder block 6; the piston rod 4 is provided with a first splint 10, A coil 11 is wound on the first clamping plate 10 ; the first clamping plate 10 is placed in the first cylinder 5 .

The second cylinder block 6 includes a side cylinder 12, a first sealing end cover 13, a second sealing end cover 14 and an inner support plate 15; the middle part of the outer wall of the side cylinder 12 is fixedly connected with the second support plate 2; the middle part of the inner support plate 15 is installed There is a second splint; the second splint is wound with a coil 11;

The inner support plate is arranged on the inner side of the side cylinder 12 and has a cylindrical structure. The inner ring of the inner support plate 15 is adapted to the piston rod 4; the top and bottom of the side cylinder 12 and the inner support plate 15 pass through the first sealing end caps 13. The second sealing end cover 14 is sealed and connected; the top of the first sealing end cover 13 is provided with a vertical protrusion 16 with a hollow structure; the stopper 7 seals the top of the vertical protrusion 16 .

The top surface of the first cylinder block 5 and the middle of the side wall are also fixedly connected with several connecting plates 17; the side support plates 3 are arc-shaped structures, and are divided into four pieces; the four side support plates 3 are spliced with each other to form a pot-shaped structure; The top of each side support plate 3 is provided with two sliding plates 18 along the horizontal direction;

A first sliding block 19 is also defined between the two sliding plates 18; the top connecting plate 17 is elastically connected with a second sliding block 20 through a second spring 21; set up.

The connecting plate 17 is provided with a chute, and the slide plate 18 is embedded in the chute; the movable end of the slide plate 18 is also fixedly connected with a clamping block.

The bottom surface of the blocking seat 7 is provided with a blocking block; the outer ring of the blocking block and the inner ring of the high-strength spring 9 are mutually defined.

In an embodiment of the present invention, the inner radial width of the first cylinder 5 and the second cylinder 6 is 2 mm-6 mm; both the first cylinder 5 and the second cylinder 6 are slidingly sealed with the piston rod 4 .

In one embodiment of the present invention, one end of the piston rod 4 protrudes from the first cylinder 5 , and the other end is placed in the second cylinder 6 , the first sealing end cover 13 , the vertical protrusion 16 and the stopper 7 formed by in the sealed cavity.

In an embodiment of the present invention, the gap between the first cylinder body 5 and the second cylinder body 6 is sealed by the JW double lips, so that the middle part of the piston rod 4 is exposed.

In an embodiment of the present invention, the piston rod 4 extends into the second cylinder 6 without generating external force, and does not react with the magnetic field of the coil on the second clamping plate.

In one embodiment of the present invention, the distance between the stopper 7 and the second support plate 2 is 5mm-8mm.

In one embodiment of the present invention, the bottom of the second support plate 2 is connected to the middle of the side cylinder 12 through the annular connection frame 22; the outermost side of the side support plate 3 is flush with the annular connection frame 22;

In an embodiment of the present invention, there are eight connecting plates 17, which are respectively disposed corresponding to the four sets of side support plates 3; one of each two connecting plates 17 is disposed on the top surface of the first cylinder block 5, and the other is disposed on the first cylinder block 5. The side of a cylinder block 5; the side support plate 3 is designed as an arc structure to deal with the circumferential vibration, so that the response is flexible, and there will be no situation where the straight plate encounters circumferential stress and the response is slow and the structure is prone to damage.

In an embodiment of the present invention, the coil 11 is a multi-stage coil; and the structure of double-exit rods is adopted, so that the problem of under-pressure or unstable internal pressure will not occur.

In one embodiment of the present invention, the annular connecting frame 22 seals the second support plate 2 , the outside of the second cylinder 6 and the stopper 7 .

In one embodiment of the present invention, when the vibration is small. The first support plate 1 is used to directly connect with the piston rod 4. When the vibration amplitude is small, the piston rod 4 moves and generates a magnetic field with the coil 11 in the first cylinder 5. The magnetic field acts on the magnetorheological fluid to generate stress, and the first spring 8 is compressed. At this time, the piston rod 4 drives the first splint 10 to move together. At this time, the first cylinder 5 needs to overcome the stress generated by the movement of the piston rod 4 and consume vibration energy, so that the first cylinder 5 does not vibrate or produce tiny shock.

In an embodiment of the present invention, when the side support plate 3 is squeezed by vibration in the circumferential direction, the first slider 19 in the middle of the side support plate 3 and the second slider 20 above it are laterally squeezed; 20 The top is connected to the top connecting plate 17 through the second spring 21; the second spring 21 is deformed to drive the first cylinder 5 to move upward through the connecting plate 17; When the cylinder block 5 moves, the piston rod 4 generates a magnetic field due to the relative motion, overcomes the stress generated by the relative motion, and consumes vibration energy, and the first cylinder block 5 does not vibrate or generate slight vibration.

In one embodiment of the present invention, when the vibration is large. When the first spring 8 has been compressed, and the stress generated by the movement between the first cylinder 5 and the piston rod 4 is not enough to overcome the vibration, the first spring 8 continues to be compressed, and the second clamping plate on the piston rod 4 and the second cylinder 6 The coil generates a magnetic field, the magnetic field acts on the magnetorheological fluid to generate stress, and the high-strength spring 9 is compressed. Due to the high stiffness of the high-strength spring and the small deformation, the movement range of the second cylinder 6 is also relatively small, and its movement produces The stress further consumes the vibration energy and achieves secondary shock absorption.

Furthermore, the present invention can change the damping and damping according to the rheological properties of the magnetorheological fluid, and further realize intelligent control.

The invention can cope with vibrations in all directions, convert the vibration energy into stages, and has a good shock absorption effect; and the pressure instability in the cylinder does not occur in the shock absorption main body.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or It is implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, but not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those of ordinary skill in the art can Variations and improvements should fall within the protection scope determined by the claims of the present invention.

Claims (5)

1. An assembly type structure shock absorbing device, comprising: the damping device comprises a damping main body, a first supporting plate (1), a second supporting plate (2) and a side supporting plate (3);

the damping main body comprises a piston rod (4), a first cylinder body (5) sleeved at the bottom of the piston rod (4), a second cylinder body (6) arranged above the first cylinder body (5) and a blocking seat (7) arranged at the top of the second cylinder body (6); the piston rod (4) is vertically arranged, and the bottom end of the piston rod is fixedly connected with the center of the first supporting plate (1); a first spring (8) is defined between the first support plate (1) and the first cylinder (5); the side supporting plate (3) is connected with the first cylinder body (5) in a sliding way; the side wall of the second cylinder body (6) is fixedly connected with the second supporting plate (2); a high-strength spring (9) is limited between the baffle seat (7) and the second cylinder body (6);

magnetorheological fluids are filled in the first cylinder body (5) and the second cylinder body (6); the piston rod (4) penetrates through the first cylinder body (5) in a sliding mode and extends into the second cylinder body (6); a first clamping plate (10) is mounted on the piston rod (4), and a coil (11) is wound on the first clamping plate (10); the first clamping plate (10) is arranged in the first cylinder body (5); the second cylinder body (6) comprises a side cylinder (12), a first sealing end cover (13), a second sealing end cover (14) and an inner supporting plate (15); the middle part of the outer wall of the side cylinder (12) is fixedly connected with the second supporting plate (2); the middle part of the inner supporting plate (15) is provided with a second clamping plate; the second clamping plate is wound with the coil (11);

the inner support plate (15) is arranged on the inner side of the side cylinder (12) and is of a cylindrical structure, and the inner ring of the inner support plate (15) is matched with the piston rod (4); the top and the bottom of the side cylinder (12) and the inner support plate (15) are respectively connected in a sealing way through the first sealing end cover (13) and the second sealing end cover (14); the top of the first sealing end cover (13) is provided with a vertical bulge (16) with a hollow structure; the baffle seat (7) seals the top of the vertical bulge (16).

2. The prefabricated building cushioning device of claim 1, wherein: the top surface and the middle part of the side wall of the first cylinder body (5) are also fixedly connected with a plurality of connecting plates (17); the side supporting plates (3) are of arc structures and are respectively provided with four blocks; the four side supporting plates (3) are spliced with each other to form a pot-shaped structure; the top of each side supporting plate (3) is provided with two sliding plates (18) along the horizontal direction; the two sliding plates (18) are arranged corresponding to the two connecting plates (17) and are respectively limited in the two connecting plates (17).

3. A fabricated building cushioning device according to claim 2, wherein: a first sliding block (19) is further limited between the two sliding plates (18); the connecting plate (17) at the top is elastically connected with a second sliding block (20) through a second spring (21); the bottom surface of the second sliding block (20) is matched with the top surface of the first sliding block (19) and is arranged in a sliding mode.

4. A fabricated building cushioning device according to claim 2, wherein: a sliding groove is formed in the connecting plate (17), and the sliding plate (18) is embedded into the sliding groove; the movable end of the sliding plate (18) is also fixedly connected with a clamping block.

5. A fabricated building cushioning device according to claim 1, wherein: a stop block is arranged on the bottom surface of the stop seat (7); the outer ring of the stop block and the inner ring of the high-strength spring (9) are mutually limited.

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