A vertical tensile sliding isolation device

Abstract

The present invention is a vertical tensile sliding isolation device, which includes a plurality of isolation units stacked in an offset manner up and down; the isolation unit includes an upper isolation body and a lower isolation body, and a reverse groove interlocking structure is formed in the middle between the upper isolation body and the lower isolation body, and the upper isolation body and the lower isolation body are interlocked by the reverse groove interlocking structure, and can be relatively displaced; a plurality of isolation units are stacked in an offset manner up and down, and a plurality of isolation units are rotated 90 degrees cumulatively in the horizontal direction; dampers are provided on both sides between the upper isolation body and the lower isolation body of each isolation unit, and the upper isolation body and the lower isolation body can return to their original positions after relative displacement through the dampers. The present invention can be installed between the building foundation and the main building, so that the building becomes an isolation building; it can also be installed inside or on the top of a self-contained building-in-building as an isolation between buildings, forming a wind-resistant and earthquake-resistant tuned damping building.

Description

Technical Field

[0001] The invention relates to the technical field of construction, and in particular to a vertical tensile sliding isolation device. Background Art

[0002] The damage to buildings caused by earthquakes is the main cause of casualties and property losses caused by earthquakes. Traditional earthquake-resistant structures resist earthquakes by enhancing structural strength and allowing structural components to enter an inelastic state during a major earthquake so that they have a certain degree of ductility. Traditional earthquake-resistant methods have achieved significant results in reducing casualties and earthquake disaster losses. However, the frequent occurrence of earthquakes with super-fortification intensity causes the seismic force on building components to exceed the ultimate strength and damage them, resulting in irreparable damage to the buildings or even collapse, causing serious casualties and economic losses. Therefore, it is difficult for traditional earthquake-resistant technology to ensure that engineering structures will not be severely damaged or collapse in earthquakes.

[0003] The rapid development of building seismic isolation technology began in the 1960s. Building seismic isolation technology is to set up a seismic isolation layer composed of seismic isolators (rubber seismic isolation bearings, sliding friction bearings), damping devices, etc. between the foundation or lower part of the building and the upper structure to isolate the transmission of seismic energy to the upper structure, reduce the seismic energy input to the upper structure, and at the same time extend the natural vibration period of the upper structure, reduce the seismic response of the upper structure, and achieve the expected seismic requirements. A large number of tests and engineering experiences at home and abroad have shown that seismic isolation technology can effectively reduce the horizontal seismic effects of the structure, especially under the action of rare earthquakes.

[0004] At present, 99% of seismic isolation buildings at home and abroad use rubber isolation pad technology. Due to the upward vibration component of near-field earthquakes, long-period pulses and wind vibrations during earthquakes will generate a moment that causes the building to sway, and a certain tensile force will be generated on the seismic isolator at the transition position between the foundation and the upper building; due to the characteristics of the rubber material itself, the vertical tensile capacity of the rubber isolation bearing is relatively poor. For high-rise buildings with a large height-to-width ratio, when the overturning moment acting on the building is too large, the rubber pad will be damaged by the vertical tensile force, increasing the risk of overturning of the building. The insufficient tensile capacity of the rubber isolation bearing has hindered the wider and deeper promotion and application of isolation technology in high-rise buildings. It has almost become a forbidden zone for rubber isolation technology in super-high buildings. Overcoming the weaknesses of rubber isolation technology and developing reliable and applicable tensile bearings have become the key to solving the problem of using isolation technology in high-rise buildings, and the application prospects are very broad. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the seismic isolation rubber pads commonly used in existing seismic isolation measures, such as weak vertical stiffness, easy aging of rubber under long-term pressure, and easy fracture under shearing force under earthquake force, and to provide a seismic isolation device that can vertically maintain stable support of steel structure, form damping displacement dislocation by the combination of components on the horizontal plane, isolate the propagation of seismic waves to upper buildings, effectively reduce the impact of earthquakes on buildings, and can be used in high-rise and super-high-rise buildings or large-load buildings.

[0006] The technical solution adopted by the present invention is:

[0007] A vertical tensile-resistant sliding isolation device, which comprises a plurality of isolation units, which are stacked and staggered up and down to form an overall isolation device, and the isolation units are connected by connecting plates; the isolation units comprise an upper isolation body and a lower isolation body, and an inverted groove bite structure is formed in the middle between the upper isolation body and the lower isolation body, and the upper isolation body and the lower isolation body are bitten by the inverted groove bite structure and can be relatively displaced; the plurality of isolation units are stacked and staggered up and down, and the plurality of isolation units are rotated 90 degrees cumulatively in the horizontal direction; dampers are arranged on both sides between the upper isolation body and the lower isolation body of each isolation unit, and the upper isolation body and the lower isolation body can restore their original positions after relative displacement through the dampers.

[0008] Furthermore, the upper seismic isolation body includes an upper main load-bearing plate, an upper external reinforcement plate and a slide slot plug plate; the slide slot plug plate is composed of two pieces, which are symmetrically provided with the bottom of the main load-bearing plate and are fixedly connected to the upper main load-bearing plate, and a space is left between the two slide slot plug plates, the bottom of the slide slot plug plate extends to both sides, and the top of the extended end surface is provided with a bite slide slot; the upper external reinforcement plate is symmetrically provided on the upper parts of both sides of the two slide slot plug plates, and the whole is a right-angled triangle, one side of the right-angled end surface is fixedly connected to the upper main load-bearing plate, and the other side of the right-angled end surface is fixedly connected to the slide slot plug plate Fixed connection; the lower seismic isolation body includes a lower main load-bearing plate and a lower external reinforcing rib plate; the lower external reinforcing rib plate is symmetrically arranged at the lower parts of both sides of the two slide slot plug plates, one side of the right-angle end face is fixedly connected to the lower main load-bearing plate, the other side of the right-angle end face is tightly fitted with the slide slot plug plate, and extends inward to form an engaging slide slot that matches the slide slot plug plate, and the top of the other side of the right-angle end face is fitted with the bottom of the upper external reinforcing rib plate; the lower seismic isolation body is clamped with the slide slot plug plate of the upper seismic isolation body through the lower external reinforcing rib plate, and the lower seismic isolation body and the upper seismic isolation body can be displaced relative to each other.

[0009] Furthermore, a group of roller groups is provided between the upper isolation body and the lower isolation body; the roller group is composed of a plurality of rollers rotatably installed between the two side plates to form an overall roller group structure; the roller group is located at the space between the two slide slot plug plates, the two side plates of the roller group are fitted with the slide slot plug plates, and the bottom of the two side plates is provided with an engaging slide groove that matches the slide slot plug plates; the bottom of the plurality of rollers is in contact with the lower main load-bearing plate of the lower isolation body.

[0010] Furthermore, the vertical tensile sliding isolation device includes two isolation units, which are stacked up and down in a cross shape; one of the isolation units can be displaced in the X-axis direction of the horizontal plane, and the other isolation unit can be displaced in the Y-axis direction of the horizontal plane.

[0011] Furthermore, the vertical tensile sliding isolation device includes three isolation units, which are stacked up and down in a cross shape. The three isolation units are rotated 45 degrees in the horizontal direction in sequence, so that the top isolation unit can be displaced in the X-axis direction of the horizontal plane, and the bottom isolation unit can be displaced in the Y-axis direction of the horizontal plane.

[0012] Furthermore, the seismic isolation unit and the connecting plate are connected by bolts or welding.

[0013] Furthermore, the vertical tensile sliding isolation device is connected to the upper part of the isolation building through an upper flange, and is connected to the foundation of the isolation building through a lower flange.

[0014] Furthermore, a number of the vertical tensile sliding isolation devices are installed between the building foundation and the main building, so that the building becomes an isolation building.

[0015] Furthermore, the vertical tensile sliding isolation device can decompose the movement in any direction between the building foundation and the main building into the displacement within the isolation unit through the inverted groove interlocking structure formed in the middle between the upper isolation body and the lower isolation body of the isolation unit, and rigidly transmit the weight of the main building in the vertical direction to the building foundation; when the building is subjected to certain special external forces and a tensile effect is formed at both ends of the vertical tensile sliding isolation device, the tensile resistance of the vertical tensile sliding isolation device is not lower than the tensile tension of the vertical structure at the same part of an ordinary seismic resistant building that does not use a seismic isolation device.

[0016] Furthermore, a number of the vertical tensile sliding isolation devices are installed inside or on the top of a self-contained building within a building as a partition between buildings, and the deadweight of the building within the building is used to replace the damper to form a wind-resistant and earthquake-resistant tuned damping building.

[0017] The beneficial effects of the present invention are:

[0018] Since the vertical pressure of the vertical tensile sliding isolation device is entirely borne by the steel structure, it has an isolation effect that is not inferior to that of rubber isolation pads and rubber basins when in use, and also has better durability and resistance to ultra-limit shearing. The vertical tensile sliding isolation device is applied to buildings with particularly large deadweight and strict safety risk control, such as nuclear power plants, without fear of earthquake risks. In addition, the upper isolation body and the lower isolation body of each isolation unit of the vertical tensile sliding isolation device are engaged through an inverted groove engagement structure, and can be relatively displaced, so that the vertical tensile sliding isolation device has a certain tensile resistance, making it possible to use isolation technology in high-rise or even super-high-rise buildings. For high-rise and super-high-rise buildings, defense and resistance to long-period pulses occurring during earthquakes are important factors that must be considered. However, the previous seismic isolation technology did not provide a reliable connection between the upper building and the foundation separated by the seismic isolation components. Therefore, there are not many high-rise buildings that use seismic isolation technology, and super-high-rise buildings are even more of a forbidden area for the application of seismic isolation technology. The use of this vertical tensile sliding isolation device can make high-rise and super-high-rise buildings no longer afraid of earthquake risks.

[0019] The vertical tensile sliding isolation device is like putting wheels on the building. The isolation unit decomposes the shear force of the earthquake wave that has a destructive effect on the building into relative displacement on the internal horizontal plane, and restores the original position with the help of the damper, thereby isolating most of the earthquake wave energy from being transmitted to the upper building. For earthquake waves that exceed the maximum displacement allowed by the vertical tensile sliding isolation device, the vertical tensile sliding isolation device can effectively reduce the earthquake acceleration response transmitted to the upper building by extending the transmission time to the upper building, thereby reducing the damage caused by the earthquake to the building. The vertical tensile sliding isolation device can be used in low-rise civil buildings, bridge buildings, etc., as well as in high-rise and even super-high buildings, etc., which can greatly expand the application scope of isolation technology and effectively reduce the damage caused by earthquakes. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the installation position of the present invention in a seismic isolation building;

[0021] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0022] Figures 3 to 7 It is a schematic diagram of the assembly process of the present invention;

[0023] Figure 1—7, 1—isolation unit, 2—connecting plate, 3—upper isolation body, 4—lower isolation body, 5—inverted groove interlocking structure, 6—damper, 7—upper main load-bearing plate, 8—upper external reinforcement plate, 9—slide plate, 10—interlocking slide, 11—lower main load-bearing plate, 12—lower external reinforcement plate, 13—interlocking slide, 14—roller group, 15—roller, 16—side plate, 17—interlocking slide, 18—bolt. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] like Figure 1 As shown, this embodiment proposes a vertical tensile sliding isolation device, and a plurality of the vertical tensile sliding isolation devices are installed between the building foundation and the main building, so that the building can become a seismic isolation building.

[0026] Specifically, Figure 1 Enlarged image and Figure 2 As shown, the vertical tensile sliding isolation device comprises a plurality of isolation units 1, which are stacked up and down in an offset manner to form an overall isolation device, and the isolation units 1 are connected by a connecting plate 2. The diagram of this embodiment shows two isolation units 1, which are stacked up and down in a cross shape; one of the isolation units 1 can be displaced in the X-axis direction of the horizontal plane, and the other isolation unit 1 can be displaced in the Y-axis direction of the horizontal plane. Each isolation unit 1 includes an upper isolation body 3 and a lower isolation body 4, and an inverted groove interlocking structure 5 is formed in the middle between the upper isolation body 3 and the lower isolation body 4, and the upper isolation body 3 and the lower isolation body 4 are interlocked through the inverted groove interlocking structure 5, and can be relatively displaced; the two isolation units 1 are stacked and combined in an up-down offset manner, and the two isolation units 1 are rotated 90 degrees cumulatively in the horizontal direction; dampers 6 are provided on both sides between the upper isolation body 3 and the lower isolation body 4 of each isolation unit 1, and the upper isolation body 3 and the lower isolation body 4 can return to their original positions after relative displacement through the dampers 6. The damper 6 in this embodiment is an existing product that can be purchased on the market. At the same time, in actual application, other forms of dampers can also be used as equivalent substitutes.

[0027] This embodiment also provides the specific structures of the upper isolation body 3 and the lower isolation body 4, such as Figure 7As shown: the upper seismic isolation body 3 includes an upper main load-bearing plate 7, an upper external reinforcing rib plate 8 and a slide slot plug plate 9. The slide slot plug plate 9 is divided into two pieces, and the two slide slot plug plates 9 are symmetrically provided with the bottom of the main load-bearing plate, and the two slide slot plug plates 9 are fixedly connected to the upper main load-bearing plate 7, and a space is left between the two slide slot plug plates 9. The bottom of the slide slot plug plate 9 extends to both sides, and the top of the extended end surface of the slide slot plug plate 9 is provided with a bite slide slot 10; the upper external reinforcing rib plate 8 is symmetrically provided on the upper part of both sides of the two slide slot plug plates 9, and the upper external reinforcing rib plate 8 is a right-angled triangle as a whole, and the right-angled end surface of one side of the upper external reinforcing rib plate 8 is fixedly connected to the upper main load-bearing plate 7, and the right-angled end surface of the other side of the upper external reinforcing rib plate 8 is fixedly connected to the slide slot plug plate 9. The lower seismic isolation body 4 includes a lower main load-bearing plate 11 and a lower external reinforcing rib plate 12. The lower outer reinforcing rib plate 12 is symmetrically arranged at the lower parts of both sides of the two slide slot inserts 9, and the right-angled end face of one side of the lower outer reinforcing rib plate 12 is fixedly connected to the lower main load-bearing plate 11, and the right-angled end face of the other side of the lower outer reinforcing rib plate 12 is tightly fitted with the slide slot insert 9, and the lower outer reinforcing rib plate 12 extends inward to form an engaging slide slot 13 that matches the slide slot insert 9, and the top of the right-angled end face of the other side of the lower outer reinforcing rib plate 12 is fitted with the bottom of the upper outer reinforcing rib plate 8. The lower seismic isolation body 4 is clamped with the slide slot insert 9 of the upper seismic isolation body 3 through the lower outer reinforcing rib plate 12, and the lower seismic isolation body 4 and the upper seismic isolation body 3 can be relatively displaced.

[0028] The vertical tensile sliding isolation device forms an inverted groove interlocking structure 5 in the middle between the upper isolation body 3 and the lower isolation body 4 of the isolation unit 1, which can decompose the movement in any direction between the building foundation and the main building into the displacement in the isolation unit 1, and rigidly transmit the weight of the main building in the vertical direction to the building foundation; when the building is subjected to certain special external forces and a tensile effect is formed at both ends of the vertical tensile sliding isolation device, the tensile resistance of the vertical tensile sliding isolation device is not lower than the tensile tension of the vertical structure at the same part of an ordinary seismic-resistant building that does not use a seismic isolation device.

[0029] Further, as a preferred embodiment of this embodiment, Figure 7 As shown: a group of roller groups 14 is also provided between the upper isolation body 3 and the lower isolation body 4. Specifically, the roller group 14 is composed of a plurality of rollers 15 rotatably installed between the two side plates 16 to form an integral roller group 14 structure; the roller group 14 is located at the space between the two slide slot plug plates 9, the two side plates 16 of the roller group 14 are fitted with the slide slot plug plates 9, and the bottom of the two side plates 16 is provided with an engaging slide groove 17 that matches the slide slot plug plates 9; the bottom of the plurality of rollers 15 is in contact with the lower main bearing plate 11 of the lower isolation body 4; by adding the roller group 14, the intermediate dislocation movement between the upper isolation body 3 and the lower isolation body 4 of the isolation unit 1 is made more stable.

[0030] The assembly process of the vertical tensile sliding isolation device is as follows: Figure 3 As shown in FIG. 7 , firstly, the upper seismic isolation body 3 and the lower seismic isolation body 4 are assembled by means of the engaging groove 10 on the extended end surface of the slide slot insert plate 9 of the upper seismic isolation body 3. Figure 3 structure; then use Figure 4 The engaging grooves 17 at the bottom of the two side plates 16 of the roller assembly 14 are used to fit the roller assembly 14 into the space between the two groove insert plates 9 of the upper isolation body 3, forming Figure 5 structure; then Figure 6 The multiple seismic isolation units 1 shown are connected by connecting plates 2 and bolts 18 to form a Figure 7 The overall vertical tensile sliding isolation device shown in the figure; finally, the vertical tensile sliding isolation device is connected to the upper part of the isolation building through the upper flange, and is connected to the foundation of the isolation building through the lower flange, that is, the connection between the vertical tensile sliding isolation device and the building is completed. A number of the vertical tensile sliding isolation devices are installed between the building foundation and the main building, so that the building can become an isolation building.

[0031] The working principle of the vertical tensile sliding isolation device:

[0032] By installing a number of vertical tensile sliding isolation devices between the building foundation and the main building, it is like putting wheels on the building; each isolation unit 1, with the help of the damper 6, decomposes the shear force of the earthquake wave that has a destructive effect on the building into relative displacements in two directions perpendicular to each other on the internal horizontal plane, which can isolate most of the earthquake wave energy from being transmitted to the upper building. For earthquake waves that exceed the maximum allowable displacement, the vertical tensile sliding isolation device can effectively reduce the earthquake acceleration response transmitted to the upper building by prolonging the transmission time to the upper building, and only transmits a part of the greatly weakened earthquake force to the upper building, thereby reducing the damage to the building caused by the earthquake. At the same time, the upper isolation body 3 and the lower isolation body 4 of each isolation unit 1 of the vertical tensile sliding isolation device are made of steel structure, so that the support and connection of the steel structure in the vertical direction have better support stiffness and stronger anti-pull-off characteristics. In special circumstances such as ultra-extreme rare earthquakes, direct-down earthquakes, strong winds, etc., when the building is subjected to swaying and jumping forces, the dislocated parts of the isolation unit 1 can be reliably engaged in the vertical direction to avoid the vertical connection between the upper building and the foundation in the isolation layer from being disconnected, thereby avoiding the overturning of the building using the isolation technology.

[0033] The core of the vertical tensile sliding isolation device is to decompose the movement in any direction on the horizontal plane of the ground surface into two perpendicular movement components, by allowing the roller group 14 moving in the same direction to roll between the upper isolation body 3 and the lower isolation body 4, and by allowing the upper isolation body 3 and the lower isolation body 4 to be relatively displaced through the inverted groove interlocking structure 5, the horizontal movement of the ground surface caused by the earthquake is converted into the up and down displacement between the isolation units 1, so that when the lower end of the vertical tensile sliding isolation device moves with the ground surface, the building located at the upper end of the vertical tensile sliding isolation device remains stationary or moves slightly, thereby reducing earthquake disasters. In actual applications, the lower main load-bearing plate 11 of the upper seismic isolation unit 1, the upper main load-bearing plate 7 of the lower seismic isolation unit 1, and the connecting plate 2 of the vertical tensile sliding seismic isolation device can be combined into an upper, middle, and lower structure, and the middle structure respectively combines the mutual displacement between the upper and lower seismic isolation units 1, thereby isolating or reducing the impact of the horizontal component of seismic waves on the building within a 360-degree range; since the horizontal action of seismic waves is the main factor causing building damage, buildings equipped with the vertical tensile sliding seismic isolation device can be protected from collapse in large earthquakes, damage in medium earthquakes, and insensible in small earthquakes.

[0034] The diagram of this embodiment shows two seismic isolation units 1, which are stacked up and down in a cross shape. However, it can also be composed of multiple seismic isolation units 1 rotated 90 degrees cumulatively, for example, three seismic isolation units 1, which are stacked up and down in a cross shape, and the three seismic isolation units 1 are rotated 45 degrees in the horizontal direction in sequence, so that the top seismic isolation unit 1 can be displaced in the X-axis direction of the horizontal plane, and the bottom seismic isolation unit 1 can be displaced in the Y-axis direction of the horizontal plane.

[0035] Practical application of this vertical tensile sliding isolation device:

[0036] In addition to being installed between the building foundation and the main building to make the building an isolation building, the vertical tensile sliding isolation device can also be used in high-rise and super-high-rise buildings and large-load buildings, as well as in low buildings, bridges, etc., greatly expanding the application scope of isolation technology and effectively reducing the damage caused by earthquakes. In addition, a number of the vertical tensile sliding isolation devices are installed inside or on the top of a self-contained building in a building-in-a-building system as isolation between the buildings, and the deadweight of the building-in-a-building is used to replace the damper 6 to form a wind-resistant and earthquake-resistant tuned damping building. In addition, the vertical tensile sliding isolation device is applied to buildings such as nuclear power plants that have a particularly large deadweight and strict safety risk control, so that there is no need to fear the risk of earthquakes, and the risk of earthquake damage to nuclear power plants is minimized, which is conducive to the construction of nuclear power plants in the western region where the population density is relatively low but the earthquake risk is relatively high.

[0037] To sum up, the vertical tensile sliding isolation device can effectively reduce the risk of problems in the seismic isolation device itself, which is beneficial to the promotion of seismic isolation technology and reducing the risk of damage and collapse of buildings in high-intensity areas during earthquakes; therefore, it has a good market space and will produce good economic benefits for production enterprises. Since it can greatly reduce the damage to people's lives and property caused by major earthquakes after promotion, it also has good social benefits; at the same time, since only the elastic material in the damper 6 in the vertical tensile sliding isolation device will be compressed and deformed during operation, there is no tensile or shear force acting on the vertical tensile sliding isolation device, and therefore the vertical tensile sliding isolation device itself is safer.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A vertical tensile sliding isolation device, characterized in that: The vertical tensile sliding isolation device comprises a plurality of isolation units, which are stacked and combined in an offset manner up and down to form an overall isolation device, and the isolation units are connected by connecting plates; the isolation unit comprises an upper isolation body and a lower isolation body, and a reverse groove bite structure is formed in the middle between the upper isolation body and the lower isolation body, and the upper isolation body and the lower isolation body are bitten by the reverse groove bite structure and can be relatively displaced; the plurality of isolation units are stacked and combined in an offset manner up and down, and the plurality of isolation units are cumulatively rotated 90 degrees in the horizontal direction; dampers are arranged on both sides between the upper isolation body and the lower isolation body of each isolation unit, and the upper isolation body and the lower isolation body can return to their original positions after relative displacement through the dampers; The upper seismic isolation body includes an upper main load-bearing plate, an upper external reinforcement plate and a slide slot plug plate; the slide slot plug plate consists of two pieces, which are symmetrically provided with the bottom of the main load-bearing plate and are fixedly connected to the upper main load-bearing plate, and a space is left between the two slide slot plug plates. The bottom of the slide slot plug plate extends to both sides, and the top of the extended end surface is provided with a bite slide slot; the upper external reinforcement plate is symmetrically provided on the upper parts of both sides of the two slide slot plug plates, and the whole is a right-angled triangle, one side of the right-angled end surface is fixedly connected to the upper main load-bearing plate, and the other side of the right-angled end surface is fixedly connected to the slide slot plug plate The lower seismic isolation body comprises a lower main load-bearing plate and a lower external reinforcing rib plate; the lower external reinforcing rib plate is symmetrically arranged at the lower parts of the two sides of the two slide slot plug-in plates, one right-angle end face of which is fixedly connected to the lower main load-bearing plate, the other right-angle end face of which is tightly fitted with the slide slot plug-in plate, and extends inward to form a bite slide slot that matches the slide slot plug-in plate, and the top of the other right-angle end face is fitted with the bottom of the upper external reinforcing rib plate; the lower seismic isolation body is clamped with the slide slot plug-in plate of the upper seismic isolation body through the lower external reinforcing rib plate, and the lower seismic isolation body and the upper seismic isolation body can be displaced relative to each other; A group of roller groups is also provided between the upper isolation body and the lower isolation body; the roller group is composed of a plurality of rollers rotatably installed between the two side plates to form an overall roller group structure; the roller group is located at the space between the two slide slot plug plates, the two side plates of the roller group are fitted with the slide slot plug plates, and the bottoms of the two side plates are provided with engaging slide slots that match the slide slot plug plates; the bottoms of the plurality of rollers are in contact with the lower main load-bearing plate of the lower isolation body.

2. The vertical tensile sliding isolation device according to claim 1 is characterized in that: The vertical tensile sliding isolation device comprises two isolation units which are stacked up and down in a cross shape; one isolation unit can be displaced in the X-axis direction of the horizontal plane, and the other isolation unit can be displaced in the Y-axis direction of the horizontal plane.

3. The vertical tensile sliding isolation device according to claim 1 is characterized in that: The vertical tensile sliding isolation device includes three isolation units, which are stacked up and down in a cross shape. The three isolation units are rotated 45 degrees in the horizontal direction in sequence, so that the top isolation unit can be displaced in the X-axis direction of the horizontal plane, and the bottom isolation unit can be displaced in the Y-axis direction of the horizontal plane.

4. The vertical tensile sliding isolation device according to claim 1 is characterized in that: The seismic isolation unit is connected to the connecting plate by bolts or welding.

5. The vertical tensile sliding isolation device according to claim 1 is characterized in that: The vertical tensile sliding isolation device is connected to the upper part of the isolation building through an upper flange plate, and is connected to the foundation of the isolation building through a lower flange plate.

6. The vertical tensile sliding isolation device according to claim 1 is characterized in that: A plurality of the vertical tensile sliding isolation devices are installed between the building foundation and the main building, so that the building becomes an isolation building.

7. The vertical tensile sliding isolation device according to claim 6 is characterized in that: The vertical tensile sliding isolation device can decompose the movement in any direction between the building foundation and the main building into the displacement in the isolation unit by forming an inverted groove interlocking structure in the middle between the upper isolation body and the lower isolation body of the isolation unit, and rigidly transmit the weight of the main building in the vertical direction to the building foundation; When the building is subjected to certain special external forces and tension is formed at both ends of the vertical tensile sliding isolation device, the tensile capacity of the vertical tensile sliding isolation device is not lower than the tensile tension of the vertical structure at the same part of an ordinary seismic resistant building without isolation devices.

8. The vertical tensile sliding isolation device according to claim 1, characterized in that: A number of the vertical tensile sliding isolation devices are installed inside or on the top of a self-contained building within a building as a partition between buildings. The deadweight of the building within the building is used to replace the damper to form a wind-resistant and earthquake-resistant tuned damping building.

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