Composite multi-dimensional isolation device

Abstract

The application relates to a composite multidimensional shock insulation device, belonging to the technical field of building shock insulation, and aims to solve the problem that the existing multidimensional shock insulation device cannot comprehensively insulate vibrations of different amplitudes and frequencies. The device comprises a spherical main shock absorber connected with a cylindrical base through a plurality of horizontal shock absorbing springs. The spherical main shock absorber comprises a plurality of spring steel plates and an elastic rubber ball. The spring steel plates are circumferentially arranged around a vertical shaft. The upper ends of the spring steel plates are clamped between an upper pressing plate and an upper clamping plate arranged in a vertical mode. The lower ends of the spring steel plates are clamped between a lower clamping plate and a lower bottom plate arranged in a vertical mode. An inner waist ring and an outer waist ring are clamped on the inner and outer sides of the spring steel plates. The spring steel plates form an elastic ball cage. The elastic rubber ball is internally provided with a plurality of elastic steel wire rope small balls. The elastic rubber ball fills the elastic ball cage. Since the inherent frequencies of the spring steel plates, the elastic steel wire rope small balls and the elastic rubber ball are different, the resonance phenomenon can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of building isolation, and particularly relates to an isolation device for a building and equipment inside the building. BACKGROUND

[0002] Earthquake, air flow, vehicle walking, machine rotation and the like can cause vibration of a building and simultaneously cause vibration of equipment inside the building. On one hand, vibration is ubiquitous, and on the other hand, vibration brings harm in most cases. For example, earthquake can cause a large number of casualties and building collapse; other types of vibration, although not as severe as earthquake, can also cause damage to the building to different degrees. Vibration not only greatly reduces the service life of the building, but also causes a chain reaction to the equipment inside the building, i.e., causing the equipment inside the building to vibrate and causing the equipment inside the building to lose precision.

[0003] A traditional anti-vibration method is to increase the sectional size of a building component or to improve the standard grade of a building material, which can greatly increase the building cost and cannot isolate vibration. Therefore, under the premise of maintaining the plastic deformation capacity of the original building, setting an isolation layer between a building foundation and a building main body and setting an isolation layer between equipment and a building floor become an economical and practical anti-vibration measure.

[0004] Whether earthquake or other forms of vibration, generally, it is a composite of multi-dimensional space vibration, including horizontal movement, vertical movement and vibration in other directions. Therefore, isolation from a single direction cannot fundamentally achieve isolation. Therefore, it is urgent to develop a safe and reliable multi-dimensional isolation device.

[0005] Currently, there are relatively few multi-dimensional isolation devices, and even some isolation devices achieve multi-dimensional isolation in function, but due to the single structure and material of the isolation device, the natural frequency is fixed, so it is difficult to achieve comprehensive isolation of vibration with different amplitudes, different frequencies and different energies. SUMMARY

[0006] The present application aims to solve the problem that the existing multi-dimensional isolation device cannot achieve comprehensive isolation of vibration with different amplitudes, different frequencies and different energies. The technical solution adopted by the present application is as follows:

[0007] A composite multi-dimensional isolation device, comprising a spherical main shock absorber, a cylindrical base and a plurality of horizontal shock absorbing springs.

[0008] The spherical main shock absorber comprises an upper clamping plate, an upper pressing plate, a lower bottom plate, a lower clamping plate, spring steel plates, an elastic rubber ball, an inner waistline and an outer waistline, a plurality of spring steel plates are arranged circumferentially around a vertical shaft, the spring steel plates are arc-shaped, the middle part of the spring steel plates is arched outward, the upper ends of the plurality of spring steel plates are clamped between the upper pressing plate and the upper clamping plate arranged in a top-bottom manner, the lower ends of the plurality of spring steel plates are clamped between the lower clamping plate and the lower bottom plate arranged in a top-bottom manner, the inner waistline and the outer waistline are clamped on the inner and outer sides of the plurality of spring steel plates, the upper clamping plate, the upper pressing plate, the lower bottom plate, the lower clamping plate, the plurality of spring steel plates, the inner waistline and the outer waistline form a spherical elastic ball cage, the elastic rubber ball is internally provided with a plurality of elastic steel wire rope small balls, the plurality of elastic steel wire rope small balls and the elastic rubber ball are vulcanized to form an integral structure, and the elastic rubber ball fills the elastic ball cage.

[0009] The cylindrical base comprises a barrel portion and a base portion, the base portion is located at the lower end of the barrel portion, the base portion is connected with a building foundation, a plurality of first guide columns are arranged circumferentially on the barrel portion, the spherical main shock absorber is located in the barrel portion, the spherical main shock absorber is in abutment with the base portion in a top-bottom manner, a plurality of second guide columns are arranged circumferentially on the outer waistline, the plurality of second guide columns are coaxially arranged in one-to-one correspondence with the plurality of first guide columns, one end of a plurality of horizontal shock absorbing springs is in one-to-one correspondence with the plurality of first guide columns, the other end of the plurality of horizontal shock absorbing springs is in one-to-one correspondence with the plurality of second guide columns, and the two ends of the horizontal shock absorbing spring are in abutment with the outer waistline and the barrel portion, respectively.

[0010] Further, the number of spring steel plates is eight.

[0011] Further, the number of horizontal shock absorbing springs is eight.

[0012] Further, the inner waistline and the outer waistline are clamped in the horizontal radial direction of the plurality of spring steel plates.

[0013] Further, the volume of the plurality of elastic steel wire rope small balls accounts for more than three-fifths of the elastic ball cage.

[0014] Further, the spherical main shock absorber is in abutment with the base portion through a polytetrafluoroethylene pad.

[0015] Compared with the prior art, the beneficial effects of the present application are that:

[0016] 1. If the building main body occurs vertical vibration, through the spring steel plate, a number of elastic steel wire rope ball and elastic rubber ball in the ball type main shock absorber can be absorbed. If the building main body occurs horizontal vibration, because the ball type main shock absorber and cylindrical base are connected through a number of circumferentially arranged horizontal shock absorbing springs, the vibration in any horizontal direction is transmitted to the horizontal shock absorbing spring, and the energy generated by the horizontal vibration can be absorbed through the horizontal shock absorbing spring and the ball type main shock absorber. If the external load occurs composite vibration, such as the superposition of the above vertical vibration and horizontal vibration, the vibration energy transmitted from any direction can be absorbed through the ball type main shock absorber and a number of horizontal shock absorbing springs. The purpose of the present application is to provide a kind of shock isolation device for different vibration damping in view of the uncertainty of earthquake source direction, frequency, amplitude and energy. The device can be installed between the building main body and the building foundation to reduce the transmission of vibration to the building main body, and can be used for shock isolation of the whole building. It can also be installed between the equipment in the building and the floor or wall of the building to reduce the transmission of vibration to the equipment, and can be used for shock isolation of the equipment in the building. Since the inherent frequencies of spring steel plate, elastic steel wire rope ball and elastic rubber ball are different, the ball type main shock absorber can reduce the vibration of different frequencies.

[0017] 2. Because the inherent frequencies of spring steel plate, elastic steel wire rope ball and elastic rubber ball are different, resonance phenomenon can be effectively avoided. By changing the curvature, width, thickness or number of spring steel plate, and the related performance parameters of elastic steel wire rope ball and elastic rubber ball, the shock isolation capacity of the shock isolation device can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of the present application;

[0019] Figure 2 is the A-A sectional view of Figure 1 ;

[0020] Figure 3 is the K view of the present application;

[0021] Figure 4 is a structural schematic diagram of the ball type main shock absorber;

[0022] Figure 5 is the assembly drawing of the elastic ball cage;

[0023] Figure 6 is the B-B sectional view of Figure 5 ;

[0024] Figure 7 is the sectional view of the upper pressing plate;

[0025] Figure 8 is the top view of the upper pressing plate;​​

[0026] Figure 9 is a sectional view of the upper clamp plate;

[0027] Figure 10 is a plan view of the upper clamp plate;

[0028] Figure 11 is a structural schematic view of the spring steel plate;

[0029] Figure 12 is a sectional view of the inner waist ring;

[0030] Figure 13 is a plan view of the inner waist ring;

[0031] Figure 14 is a sectional view of the outer waist ring;

[0032] Figure 15 is a plan view of the outer waist ring;

[0033] Figure 16 is a sectional view of the lower clamp plate;

[0034] Figure 17 is a plan view of the lower clamp plate;

[0035] Figure 18 is a sectional view of the lower bottom plate;

[0036] Figure 19 is a plan view of the lower bottom plate;

[0037] Figure 20 is a schematic view of the elastic steel wire rope ball and the elastic rubber ball being vulcanized into one body.

[0038] In the drawings, 1 is a building foundation, 2 is a building main body, 3 is a first guide column, 4 is a horizontal damping spring, 5 is a cylindrical base, 6 is a spherical main damper, 7 is a polytetrafluoroethylene pad, 8 is an elastic steel wire rope ball, 9 is an elastic rubber ball, 10 is an upper pressing plate, 11 is an inner waist ring, 12 is an upper clamp plate, 13 is a spring steel plate, 14 is a lower bottom plate, 15 is a lower clamp plate, 16 is an outer waist ring, 17 is a second guide column, and 18 is a groove. DETAILED DESCRIPTION

[0039] In order to make the objects, technical solutions and advantages of the present application clearer and more comprehensible, the present application will be described below through specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0040] The connections mentioned in this invention are divided into fixed connections and detachable connections. Fixed connections, also known as non-detachable connections, include but are not limited to conventional fixed connection methods such as folded connections, riveted connections, adhesive connections, and welded connections. Detachable connections include but are not limited to conventional disassembly methods such as bolted connections, snap-fit ​​connections, pin connections, and hinged connections. When a specific connection method is not explicitly defined, it is assumed that at least one existing connection method can be found to achieve this function, and those skilled in the art can choose according to their needs. For example, a welded connection can be chosen for fixed connections, and a bolted connection can be chosen for detachable connections.

[0041] The present invention will be further described in detail below with reference to the accompanying drawings. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0042] Example: Figures 1-20 As shown, a composite multidimensional vibration isolation device includes a spherical main damper 6, a cylindrical base 5, and several horizontal damping springs 4.

[0043] The spherical main shock absorber 6 includes an upper clamping plate 12, an upper pressure plate 10, a lower base plate 14, a lower clamping plate 15, spring steel plates 13, an elastic rubber ball 9, an inner waist ring 11, and an outer waist ring 16. Several spring steel plates 13 are arranged circumferentially around a vertical axis. The spring steel plates 13 are arc-shaped, with their middle parts arching outwards. The upper ends of the spring steel plates 13 are clamped between the upper pressure plate 10 and the upper clamping plate 12, and the lower ends of the spring steel plates 13 are clamped between the lower clamping plate 15 and the lower base plate 14. Several grooves 18 are circumferentially arranged on the upper surface of the upper clamping plate 12 and the lower surface of the lower clamping plate 15. The width of the grooves 18 is equal to the width of the spring steel plate 13. The width of the plates 13 is consistent. The two ends of the spring steel plates 13 are respectively inserted into the grooves 18 of the upper clamping plate 12 and the lower clamping plate 15, which can circumferentially limit the spring steel plates 13. The inner waist ring 11 and the outer waist ring 16 are clamped on the inner and outer sides of the spring steel plates 13. The upper clamping plate 12, the upper pressure plate 10, the lower bottom plate 14, the lower clamping plate 15, the spring steel plates 13, the inner waist ring 11 and the outer waist ring 16 form a spherical elastic ball cage. The elastic rubber ball 9 is provided with a number of elastic steel wire rope balls 8. The number of elastic steel wire rope balls 8 and the elastic rubber ball 9 are vulcanized to form an integral structure. The elastic rubber ball 9 fills the elastic ball cage.

[0044] The cylindrical base 5 comprises a cylindrical body and a base part at the lower end of the cylindrical body, the base part is connected with the building foundation 1, a plurality of first guide columns 3 are arranged on the circumference of the cylindrical body, a spherical main shock absorber 6 is arranged in the cylindrical body, the spherical main shock absorber 6 is in abutment with the base part, a plurality of second guide columns 17 are arranged on the circumference of the outer waistline 16, the plurality of second guide columns 17 are coaxially arranged corresponding to the plurality of first guide columns 3, one end of a plurality of horizontal shock absorbing springs 4 is correspondingly sleeved on the plurality of first guide columns 3, the other end of the plurality of horizontal shock absorbing springs 4 is correspondingly sleeved on the plurality of second guide columns 17, and the two ends of the horizontal shock absorbing spring 4 are in abutment with the outer waistline 16 and the cylindrical body respectively, and the upper clamping plate 12 is connected with the building main body 2.

[0045] If the building main body 2 is subjected to vertical vibration, the vibration can be absorbed by the plurality of spring steel plates 13, the plurality of elastic steel wire rope balls 8 and the elastic rubber balls 9 in the spherical main shock absorber 6.

[0046] If the building main body 2 is subjected to horizontal vibration, since the spherical main shock absorber 6 is connected with the cylindrical base 5 through the plurality of circumferentially arranged horizontal shock absorbing springs 4, the horizontal vibration is transmitted to the horizontal shock absorbing spring 4, and the energy generated by the horizontal vibration can be absorbed by the horizontal shock absorbing spring 4 and the spherical main shock absorber 6.

[0047] If the external load is subjected to composite vibration, such as the superposition of the above-mentioned vertical vibration and horizontal vibration, the vibration energy transmitted from any direction can be absorbed by the spherical main shock absorber 6 and the plurality of horizontal shock absorbing springs 4.

[0048] The related performance parameters of the spring steel plates 13, the elastic steel wire rope balls 8 and the elastic rubber balls 9 can be adjusted to adjust the comprehensive shock isolation capacity of the shock isolation device.

[0049] The purpose of the present application is to provide a shock isolation device which can be used for various different shock absorption, aiming at the uncertainty of the shock source direction, frequency, amplitude and energy. The device can be installed between the building main body and the building foundation to reduce the transmission of vibration to the building main body, and can be used for shock isolation of the whole building. The device can also be installed between the equipment in the building and the floor or wall of the building to reduce the transmission of vibration to the equipment, and can be used for shock isolation of the equipment in the building. Since the natural frequencies of the spring steel plates 13, the elastic steel wire rope balls 8 and the elastic rubber balls 9 are different, the spherical main shock absorber can have a shock absorption effect on different frequency vibrations.

[0050] The number of spring steel plates 13 is eight.

[0051] The number of horizontal shock absorbing springs 4 is eight.

[0052] The inner waistline 11 and the outer waistline 16 are clamped in the horizontal radial direction of the plurality of spring steel plates 13.

[0053] The volume of the plurality of elastic steel wire rope beads 8 accounts for more than three-fifths of the elastic ball cage.

[0054] The plurality of elastic steel wire beads 8 are bundled together by thin steel wires or iron wires to be placed in a spherical mold, and then a rubber filler is filled into the mold for vulcanization, so that the granular plastic rubber is converted into elastic rubber and integrated with the elastic steel wire beads 8, and then the elastic steel wire beads 8 are placed in the elastic ball cage, and the elastic ball cage, the elastic rubber ball 9, and the elastic steel wire rope beads 8 form a shock-absorbing body with composite material characteristics. In addition to the elastic function, the elastic steel wire rope beads 8 can also enhance the support stiffness of the core of the elastic rubber ball 9. The installation of the elastic rubber ball 9 and the elastic steel wire rope beads 8 filled and integrated inside the elastic ball cage can enhance the anti-seismic performance of the multi-dimensional seismic isolation device. In addition, the elastic rubber ball 9 itself is an elastic body and can also play a good anti-seismic role, and by changing the ingredients, the elasticity, hardness, and the size and number of internal pores of the structure of the elastic rubber ball 9 can be adjusted to effectively limit and control the vibration.

[0055] This composite material-based shock-absorbing device can effectively avoid resonance due to the different inherent frequencies of the materials. By changing the curvature, width, thickness, or number of spring steel plates, and the related performance parameters of the elastic steel wire rope beads 8 and the elastic rubber ball 9, the shock-absorbing capacity of the shock-absorbing device can be adjusted.

[0056] The spherical main shock absorber 6 is in contact with the base portion through the polytetrafluoroethylene pad 7, and the spherical main shock absorber 6 can slide in any horizontal direction on the polytetrafluoroethylene pad 7.

[0057] The above examples are only illustrative of the present application and do not limit the scope of protection, and those skilled in the art can also make changes to parts of them, as long as they do not exceed the spirit and substance of the present application, and are within the scope of protection of the present application.

Claims

1. A composite multi-dimensional seismic isolation device, characterized by: The ball-type main shock absorber (6), the cylindrical base (5) and the horizontal shock absorbing springs (4) are included. The ball-type main shock absorber (6) includes the upper clamping plate (12), the upper pressing plate (10), the lower bottom plate (14), the lower clamping plate (15), the spring steel plate (13), the elastic rubber ball (9), the inner waistline (11) and the outer waistline (16), the spring steel plates (13) are circumferentially arranged around the vertical shaft, the spring steel plates (13) are arc-shaped, the middle part of the spring steel plates (13) is arched outward, the upper ends of the spring steel plates (13) are clamped between the upper pressing plate (10) and the upper clamping plate (12) arranged in sequence, the lower ends of the spring steel plates (13) are clamped between the lower clamping plate (15) and the lower bottom plate (14) arranged in sequence, the inner waistline (11) and the outer waistline (16) are clamped on the inner and outer sides of the spring steel plates (13), the upper clamping plate (12), the upper pressing plate (10), the lower bottom plate (14), the lower clamping plate (15), the spring steel plates (13), the inner waistline (11) and the outer waistline (16) form a spherical elastic ball cage, the elastic rubber ball (9) is internally provided with the elastic steel wire rope small balls (8), the elastic steel wire rope small balls (8) and the elastic rubber ball (9) are vulcanized to form an integrated structure, and the elastic rubber ball (9) fills the elastic ball cage. The cylindrical base (5) includes a barrel part and a base part, the base part is located at the lower end of the barrel part, the base part is connected with the building foundation (1), a plurality of first guide columns (3) are circumferentially arranged on the barrel part, the ball-type main shock absorber (6) is located in the barrel part, the ball-type main shock absorber (6) is in abutment with the base part, a plurality of second guide columns (17) are circumferentially arranged on the outer waistline (16), the second guide columns (17) are coaxially arranged in one-to-one correspondence with the first guide columns (3), one end of each of the horizontal shock absorbing springs (4) is sleeved on the first guide columns (3) in one-to-one correspondence, the other end of each of the horizontal shock absorbing springs (4) is sleeved on the second guide columns (17) in one-to-one correspondence, and the two ends of the horizontal shock absorbing spring (4) are in abutment with the outer waistline (16) and the barrel part respectively.

2. The composite multi-dimensional seismic isolation device according to claim 1, wherein: The number of the spring steel plates (13) is eight.

3. The composite multi-dimensional isolation device according to claim 1, wherein: The number of the horizontal shock absorbing springs (4) is eight.

4. The composite multidimensional isolation device according to claim 1, wherein: The inner waistline (11) and the outer waistline (16) are clamped on the horizontal radial direction of the spring steel plates (13).

5. The composite multidimensional isolation device according to claim 1, wherein: The volume of the elastic steel wire rope small balls (8) accounts for more than three-fifths of the elastic ball cage.

6. The composite multi-dimensional seismic isolation device according to any one of claims 1 to 5, characterized in that: The ball-type main shock absorber (6) is in abutment with the base part through a polytetrafluoroethylene pad (7).

Images