CN219863457U - Triple friction pendulum building shock insulation device - Google Patents

Abstract

The utility model relates to the field of building damping and vibration isolating equipment, in particular to a triple friction pendulum building vibration isolating device, which comprises a first bearing cover, a second bearing cover and a sliding block assembly; the two receiving covers are buckled to form a receiving cavity suitable for receiving the sliding block assembly, a first cover body side wall is arranged on the first receiving cover, a second cover body side wall is arranged on the second receiving cover, and the inner diameter of the first cover body side wall is larger than the outer diameter of the second cover body side wall, so that a displacement gap is formed between the first cover body side wall and the second cover body side wall; a plurality of buffer spring units are arranged in the displacement gap at equal intervals along the circumference of the displacement gap, one end of each buffer spring unit is connected with the side wall of the first cover body, the other end of each buffer spring unit is connected with the side wall of the second cover body, and when the side wall of the second cover body where the buffer spring unit is located is close to or far away from the side wall of the first cover body, the buffer spring units can all generate elastic deformation. The utility model has the effect of easily keeping the centering between the sliding block component and the two bearing covers, so that the shock insulation device is not easy to damage.

Description

Triple friction pendulum building shock insulation device

Technical Field

The utility model belongs to the field of building damping and vibration isolating equipment, and particularly relates to a triple friction pendulum building vibration isolating device.

Background

The friction pendulum vibration isolation device is a connecting device arranged between buildings and bases of the buildings, and can play a role in buffering and energy consumption between the buildings and the bases of the buildings when an earthquake occurs, so that the buildings above the bases are not easy to be destroyed by the earthquake.

The friction pendulum shock insulation device includes two upper and lower apron, all be equipped with concave profile on the one side that two apron are close to mutually, and be equipped with between two apron can with concave profile matched with slider for when taking place the earthquake, the relative slip can take place according to certain cycle in two upper and lower parts of friction pendulum shock insulation device, the gliding volume in the horizontal direction is bigger, under the effect of the gravity on friction pendulum shock insulation device's upper portion, the force that produces between two upper and lower apron of friction pendulum shock insulation device can be with two upper and lower apron centering is bigger, thereby can consume the horizontal vibrations that the earthquake caused through building self gravity, in order to play the shock attenuation and protect the effect of building.

In order to reduce the swinging times of the friction pendulum vibration isolation device in the vibration absorption process, a damping baffle plate used for limiting is fixed in the periphery of a sliding cover, so that when the sliding block is moved to be abutted against the damping baffle plate, the damping baffle plate can apply force opposite to the moving direction to the sliding block, thereby reducing the swinging amplitude and further reducing the swinging times, but the situation that the sliding block cannot be centered with the two sliding covers when the two sliding blocks are centered easily occurs, and the sliding block in the friction pendulum is easy to be worn and damaged when the sliding block is in an unstable state is easily caused.

In view of this, it is desirable to provide a triple friction pendulum building seismic isolation apparatus.

Disclosure of Invention

In order to overcome the defects, the utility model provides a triple friction pendulum building vibration isolation device.

The utility model provides a triple friction pendulum building vibration isolation device, which adopts the following technical scheme.

A triple friction pendulum building vibration isolation device comprises a first bearing cover, a second bearing cover and a sliding block component; the first bearing cover and the second bearing cover are buckled to form a containing cavity suitable for containing the sliding block assembly, a first cover body side wall is arranged on the first bearing cover, a second cover body side wall is arranged on the second bearing cover, and the inner diameter of the first cover body side wall is larger than the outer diameter of the second cover body side wall so as to form a displacement gap between the outer wall surface of the second cover body side wall and the inner wall surface of the first cover body side wall; the displacement gap is internally provided with a plurality of buffer spring units which are arranged at equal intervals along the circumferential direction of the displacement gap, one end of each buffer spring unit is connected with the side wall of the first cover body, the other end of each buffer spring unit is connected with the side wall of the second cover body, and when the side wall of the first cover body at the position where the buffer spring unit is located is close to or far away from the side wall of the second cover body, the buffer spring units can all generate elastic deformation.

Through adopting above-mentioned technical scheme, when taking place the earthquake for first lid and second are accepted and cover when producing relative movement, a plurality of buffer spring units that set up in the displacement clearance can play the cushioning effect, specifically when the second lid side wall that this buffer spring unit was located is close to or keeps away from first lid side wall, buffer spring unit homoenergetic takes place elastic deformation, homoenergetic effect of deformation, and all be to the second lid side wall applied the force can be with the second accept the lid pull back or push back with first position of accepting the lid centering, thereby can reduce shock insulation device's swing number of times, and then can reduce the sliding displacement volume between slider assembly and the first lid and the second of accepting, in order to can make slider assembly and first accept the lid and the second accept the contact surface between the lid not fragile, long service life.

Specifically, the buffer spring unit comprises a spring plate group, a buffer abutting piece, a sliding abutting piece and a pulling connecting piece, wherein two ends of the spring plate group are respectively connected with one sliding abutting piece, and the sliding abutting piece is abutted with the side wall of the first cover body; the buffer abutting piece is arranged in the middle of the spring plate group and abuts against the side wall of the second cover body, a plurality of pairs of limit columns are further arranged on the first bearing cover, and each pair of limit columns are arranged on one side, close to the side wall of the second cover body, of the spring plate group and can abut against the spring plate group; the two ends of the spring plate group are respectively connected with one pulling connecting piece, and the other end of each pulling connecting piece is connected with the side wall of the second cover body.

By adopting the technical scheme, the limiting column can play a limiting role on the spring plate group so as to prevent the spring plate group from generating displacement when being pulled by the side wall of the second cover body, thereby being convenient for the spring plate group to generate deformation, realizing buffering and energy absorption and limiting the displacement of the second bearing cover; when the spring plate group is pressed to move towards the side wall of the first cover body and is abutted to deform on the side wall of the second cover body, the two ends of the spring plate group can move along the inner wall surface of the side wall of the first cover body, so that the friction force between the two ends of the spring plate group and the side wall of the first cover body can be reduced due to the arrangement of the sliding abutting piece, and the inner wall of the side wall of the first cover body and the two ends of the spring plate group are not easy to wear.

Specifically, the spring plate group comprises a plurality of spring plates which are overlapped, the sliding abutting piece is a roller, and the buffering abutting piece is a rubber block.

Through adopting above-mentioned technical scheme, the setting of buffering butt spare makes the second lid side wall can have the buffering in-process that carries out the butt with the spring board group, and the design of buffering butt spare can also improve the effective deformation volume of spring board group, also can make the second lid side wall just with the buffering butt spare butt time, the second lid side wall is great with the spacing post on its removal direction between the distance, is difficult for appearing the second lid side wall and produces the condition of striking with spacing post.

Specifically, the pulling connecting piece is a pull rod, one side, close to the side wall of the second cover body, of the end part of the spring plate group is provided with a spring plate hinge shaft lever, and the axial direction of the spring plate hinge shaft lever is arranged along the vertical direction; a side wall hinge shaft lever is arranged on the side wall of the second cover body, and the axial direction of the side wall hinge shaft lever is arranged along the horizontal direction; one end of the pull rod is hinged with the spring plate hinge shaft rod, and the other end of the pull rod is hinged with the side wall hinge shaft rod.

Through adopting above-mentioned technical scheme, because the spring board group can produce the change at the straight line distance between its both ends when taking place deformation, and the second accept the lid and take place the displacement in-process for first accepting the lid, the relative height between the two also can produce the change, consequently, the design of spring board articulated axostylus axostyle and side wall articulated axostylus axostyle makes the difficult moment that produces shearing or distortion on the pulling connecting piece for the pulling connecting piece is not fragile.

Specifically, the first bearing cover is further provided with a first cover body concave surface, the second bearing cover is further provided with a second cover body concave surface, and the sliding block assembly can be abutted to the first cover body concave surface and the second cover body concave surface and can slide in the accommodating cavity.

Through adopting above-mentioned technical scheme, when the slider subassembly moves to the edge that is in first lid concave surface, the slider subassembly can be under the effect of the dead weight of the object of upper portion move to the opposite direction of current direction of movement, when the slider subassembly moved to the edge of second lid concave surface, the second accepted lid can be under the effect of the dead weight of the object of upper portion move to the opposite direction of current direction of movement, namely form the swing, until first accepting lid second accepts lid and the centering of slider subassembly is in steady state, thereby accomplish the process of consuming vibration energy through the gravity of building, in order to realize shock attenuation shock insulation, can reduce the damage of vibrations to the building.

Specifically, the slider assembly includes a first slider and a second slider; the second sliding block is provided with an abutting concave cavity, the first sliding block is provided with an abutting convex column, and abutting surfaces of the abutting convex column and the abutting concave cavity are spherical surfaces.

Through adopting above-mentioned technical scheme, can be convenient for realize the rotation between first slider and the second slider.

Specifically, a first wear-resistant layer is formed between the first sliding block and the concave surface of the first cover body, a second wear-resistant layer is formed between the first sliding block and the second sliding block, and a third wear-resistant layer is formed between the second sliding block and the concave surface of the second cover body.

Through adopting above-mentioned technical scheme, can reduce between first slider and the first lid concave surface, between first slider and the second slider and be difficult for producing serious wearing and tearing between second slider and the second lid concave surface.

Specifically, the first wear-resistant layer, the second wear-resistant layer and the third wear-resistant layer are polytetrafluoroethylene wear-resistant layers.

By adopting the technical scheme, the friction heat generated between the first sliding block and the concave surface of the first cover body, between the first sliding block and the second sliding block and between the second sliding block and the concave surface of the second cover body still can have good wear resistance.

In summary, the utility model has the following beneficial technical effects:

1. when an earthquake occurs, the first bearing cover and the second bearing cover relatively move, the buffer spring units arranged in the displacement gap can play a role in buffering, particularly when the side wall of the second cover body where the buffer spring units are positioned is close to or far away from the side wall of the first cover body, the buffer spring units can elastically deform and absorb energy, and the force applied to the side wall of the second cover body can pull or push the second bearing cover back to a position centered with the first bearing cover, so that the swinging times of the vibration isolation device can be reduced, the sliding displacement between the sliding block assembly and the first bearing cover and the second bearing cover can be reduced, and the contact surface between the sliding block assembly and the first bearing cover and the second bearing cover is not easy to damage, and the service life is long;

2. the linear distance between the two ends of the spring plate set can change when the spring plate set deforms, and the relative height between the spring plate set and the side wall hinge shaft rod can also change when the second bearing cover moves relative to the first bearing cover, so that the spring plate hinge shaft rod and the side wall hinge shaft rod are designed to enable the pulling connecting piece to be difficult to generate shearing or twisting moment, and the pulling connecting piece is difficult to damage.

Drawings

Fig. 1 is a top view of a triple friction pendulum building seismic isolation apparatus of the present utility model.

Fig. 2 is a cross-sectional view taken along the direction A-A in fig. 1.

Fig. 3 is a sectional view in the direction B-B of fig. 2.

Fig. 4 is an enlarged view of the D area in fig. 3.

Fig. 5 is a partial sectional view of a damper spring unit in the triple friction pendulum construction vibration isolation apparatus of the present utility model in the direction C-C of fig. 3.

Fig. 6 is an enlarged view of the area E in fig. 5.

Reference numerals: 1. a first receiving cover; 11. a first cover body side wall; 12. a limit column; 13. a first cover concave surface; 2. a second receiving cover; 21. a second cover body side wall; 22. a second cover concave surface; 211. the side wall is hinged with a shaft lever; 3. a slider assembly; 31. a first slider; 311. abutting the convex column; 32. a second slider; 4. a displacement gap; 5. a buffer spring unit; 51. a spring plate set; 511. the spring plate is hinged with a shaft lever; 52. buffering the abutting piece; 53. a sliding abutment; 54. pulling the connecting piece; 61. a first wear layer; 62. a second wear layer; 63. and a third wear layer.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

The utility model discloses a triple friction pendulum building shock insulation device.

Referring to fig. 1 and 2, a triple friction pendulum building vibration isolation device comprises a first receiving cover 1, a second receiving cover 2 and a sliding block assembly 3; the first bearing cover 1 can be buckled with the second bearing cover 2 to form a containing cavity suitable for containing the sliding block assembly 3, specifically, a first cover body side wall 11 is arranged on the first bearing cover 1, a second cover body side wall 21 is arranged on the second bearing cover 2, and the inner diameter of the first cover body side wall 11 is larger than the outer diameter of the second cover body side wall 21, so that a displacement gap 4 can be formed between the outer wall surface of the second cover body side wall 21 and the inner wall surface of the first cover body side wall 11, and relative movement in the horizontal direction can be conveniently generated between the first bearing cover 1 and the second bearing cover 2.

Further, as shown in fig. 3 and 4, a plurality of buffer spring units 5 are arranged in the displacement gap 4 at equal intervals along the circumferential direction of the displacement gap 4, one end of each buffer spring unit 5 is connected with the first cover side wall 11, the other end is connected with the second cover side wall 21, when the second cover side wall 21 where the buffer spring unit 5 is located is close to or far from the first cover side wall 11, the buffer spring units 5 can be elastically deformed and can all play a role in deformation energy absorption, specifically, when the second cover side wall 21 where the buffer spring unit 5 is located is close to the first cover side wall 11, the buffer spring unit 5 applies a thrust to the second cover side wall 21 so as to push the second receiving cover 2 back to a position centered with the first receiving cover 1; when the second cover body side wall 21 where the buffer spring unit 5 is located is far away from the first cover body side wall 11, the buffer spring unit 5 applies a pulling force to the second cover body side wall 21 so as to pull the second receiving cover 2 back to a position centered with the first receiving cover 1, thereby reducing the swinging times of the shock insulation device, and further reducing the sliding displacement between the sliding block assembly 3 and the first receiving cover 1 and the second receiving cover 2, so that the contact surface between the sliding block assembly 3 and the first receiving cover 1 and the second receiving cover 2 is not easy to damage, and the service life is long.

Further, referring to fig. 2, in an embodiment of the triple friction pendulum building vibration isolation device of the present utility model, the first receiving cover 1 is further formed with the first cover concave 13, the second receiving cover 2 is further formed with the second cover concave 22, and the slider assembly 3 can abut against the first cover concave 13 and the second cover concave 22 and can slide in the accommodating cavity, so when the slider assembly 3 moves to the edge of the first cover concave 13, the slider assembly 3 moves in the opposite direction to the current moving direction under the action of the dead weight of the object at the upper part, and when the slider assembly 3 moves to the edge of the second cover concave 22, the second receiving cover 2 moves in the opposite direction to the current moving direction under the action of the dead weight of the object at the upper part, that is, swings until the first receiving cover 1, the second receiving cover 2 and the slider assembly are centered in a stable state, thereby realizing the consumption of vibration energy by the gravity of the building, so as to realize the vibration isolation, and reduce the damage to the building.

Further, referring to fig. 4 and 5, in one embodiment of the triple friction pendulum building vibration isolation device of the present utility model, the buffer spring unit 5 may be provided to include a spring plate group 51, a buffer abutment member 52, a sliding abutment member 53 and a pulling link member 54, and the spring plate group 51 may be provided to be formed by overlapping a plurality of spring plates having different lengths, and the length of the spring plates gradually increases from a side near the second cover side wall 21 to a side near the first cover side wall 11.

Two ends of the longest spring plate are respectively connected with a sliding abutting piece 53, the sliding abutting piece 53 abuts against the first cover body side wall 11, the sliding abutting piece 53 can be a roller, the buffer abutting piece 52 is arranged in the middle of the spring plate group 51 and abuts against the second cover body side wall 21, the buffer abutting piece 52 can be a rubber block, the first bearing cover 1 is further provided with a plurality of pairs of limiting columns 12, and each pair of limiting columns 12 is arranged on one side, close to the second cover body side wall 21, of the spring plate group 51 and can abut against the spring plate group 51. In addition, one pulling link 54 is connected to each end of the longest one of the spring plates, and the other end of each pulling link 54 is connected to the second cover side wall 21.

The limiting column 12 can play a role in limiting the spring plate group 51 so as to prevent the spring plate group 51 from displacement when being pulled by the side wall 21 of the second cover body, thereby being convenient for the spring plate group 51 to deform, realizing buffering and energy absorption and limiting the displacement of the second bearing cover 2; when the spring plate set 51 is pressed to move toward the first cover side wall 11 and is abutted against the second cover side wall 21 to deform, the two ends of the spring plate set 51 move along the inner wall surface of the first cover side wall 11, so that friction between the two ends of the spring plate set 51 and the first cover side wall 11 can be reduced due to the arrangement of the sliding abutting piece 53, and accordingly the inner wall of the first cover side wall 11 and the two ends of the spring plate set 51 are not easy to wear.

The arrangement of the buffer abutting piece 52 enables the second cover body side wall 21 to have buffer in the process of abutting with the spring plate group 51, and the design of the buffer abutting piece 52 can also improve the effective deformation amount of the spring plate group 51, namely, the second cover body side wall 21 can be enabled to be larger in distance from the second cover body side wall 21 to the limit column 12 in the moving direction when the second cover body side wall 21 is just abutted with the buffer abutting piece 52, and the condition that the limit column 12 is impacted by the second cover body side wall 21 is difficult to occur.

Specifically, referring to fig. 4 and 6, in an embodiment of the triple friction pendulum building vibration isolation device of the present utility model, the pull connection member 54 may be configured as a pull rod, and accordingly, a connection structure connected to the pull connection member 54 needs to be disposed on the spring plate set 51 at a position near the end and on the second cover side wall 21, it will be understood that a linear distance between two ends of the spring plate set 51 changes when the spring plate set is deformed, and a relative height between the two ends changes when the second receiving cover 2 is displaced relative to the first receiving cover 1.

Therefore, it is necessary to provide the spring plate hinge shaft 511 on the side of the spring plate group 51 near the second cover side wall 21, specifically, the plurality of spring plates are bound together by hoop folding, the spring plate hinge shaft 511 may be provided on the hoop, and the axial direction of the spring plate hinge shaft 511 is arranged in the vertical direction, the second cover side wall 21 is provided with the side wall hinge shaft 211, and the axial direction of the side wall hinge shaft 211 is arranged in the horizontal direction, one end of the pull rod is hinged with the spring plate hinge shaft 511, and the other end is hinged with the side wall hinge shaft 211.

The above design makes it easy to rotate the end of the pulling connection piece 54 hinged to the spring plate hinge shaft 511 on the horizontal plane after the spring plate hinge shaft 511 is hinged to the pulling connection piece 54, and the end of the pulling connection piece 54 hinged to the spring plate hinge shaft 511 can also move up and down along the spring plate hinge shaft 511; after the side wall hinge shaft lever 211 is connected with the pulling connecting piece 54, one end of the pulling connecting piece 54 hinged with the side wall hinge shaft lever 211 can conveniently rotate in the vertical direction, and one end of the pulling connecting piece 54 hinged with the side wall hinge shaft lever 211 can move in the horizontal direction along the side wall hinge shaft lever 211, so that the linear distance between two ends of the spring plate group 51 can be changed when the spring plate group is deformed; and when the second receiving cover 2 is displaced relative to the first receiving cover 1 so that the relative height between the two is also changed, a moment of shearing or twisting is not easy to generate on the pulling connecting piece 54, so that the pulling connecting piece 54 is not easy to damage

Further, referring to fig. 2, in one embodiment of the triple friction pendulum building vibration isolation apparatus of the present utility model, the slider assembly 3 may be provided to include a first slider 31 and a second slider 32; and be formed with the butt cavity on second slider 32, be formed with butt projection 311 on the first slider 31, and the butt face of mutual butt on butt projection 311 and the butt cavity is the sphere, so as to can realize the relative rotation between first slider 31 and the second slider 32, thereby at first slider 31 along with first lid concave 13 removal, the in-process that second slider 32 along with second lid concave 22 removed, can rotate relatively between first slider 31 and the second slider 32 in order to prevent that slider assembly 3 wholly from taking place to twist reverse in the holding chamber between first lid concave 13 and second lid concave 22, finally lead to slider assembly 3 wholly and the butt area reduction of first lid concave 13 and second lid concave 22, lead to first lid concave 13 and second lid concave 22 surface damage, thereby appear unable passive energy consumption's condition.

It will be appreciated that the first wear layer 61 may be installed between the first slider 31 and the first concave cover surface 13, the second wear layer 62 may be installed between the first slider 31 and the second slider 32, the third wear layer 63 may be installed between the second slider 32 and the second concave cover surface 22, and the first wear layer 61, the second wear layer 62 and the third wear layer 63 are polytetrafluoroethylene wear layers (polytetrafluoroethylene plates), and polytetrafluoroethylene has good wear resistance and heat resistance, so that the wear layers can still have good wear resistance after friction heat generation between the first slider 31 and the first concave cover surface 13, between the first slider 31 and the second slider 32, and between the second slider 32 and the second concave cover surface 22.

The implementation principle of the triple friction pendulum building shock insulation device provided by the embodiment of the utility model is as follows: when an earthquake occurs, the first receiving cover 1 and the second receiving cover 2 move relatively, the buffer spring units 5 arranged in the displacement gap 4 can play a role in buffering, particularly when the second cover body side wall 21 where the buffer spring units 5 are positioned is close to or far away from the first cover body side wall 11, the buffer spring units 5 can elastically deform and play a role in deformation and energy absorption, and the force applied to the second cover body side wall 21 can pull or push the second receiving cover 2 back to the position centered with the first receiving cover 1, so that the swinging times of the shock insulation device can be reduced, the sliding displacement between the sliding block assembly 3 and the first receiving cover 1 and the second receiving cover 2 can be reduced, the contact surface between the sliding block assembly 3 and the first receiving cover 1 and the second receiving cover 2 is not easy to damage, and the service life is long;

after the spring plate hinge shaft lever 511 is hinged with the pulling connecting piece 54, one end of the pulling connecting piece 54, which is hinged with the spring plate hinge shaft lever 511, can conveniently rotate on a horizontal plane, one end of the pulling connecting piece 54, which is hinged with the spring plate hinge shaft lever 511, can also move up and down along the spring plate hinge shaft lever 511, after the side wall hinge shaft lever 211 is connected with the pulling connecting piece 54, one end of the pulling connecting piece 54, which is hinged with the side wall hinge shaft lever 211, can conveniently rotate in a vertical direction, and one end of the pulling connecting piece 54, which is hinged with the side wall hinge shaft lever 211, can move in a horizontal direction along the side wall hinge shaft lever 211, so that the linear distance between two ends of the spring plate group 51 can change due to deformation; and when the second receiving cover 2 is displaced relative to the first receiving cover 1 so that the relative height between the two is also changed, a shearing moment or a twisting moment is not easy to be generated on the pulling connecting piece 54, so that the pulling connecting piece 54 is not easy to be damaged.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A triple friction pendulum building shock insulation device which is characterized in that: comprises a first bearing cover (1), a second bearing cover (2) and a sliding block component (3); the first bearing cover (1) and the second bearing cover (2) are buckled to form a containing cavity suitable for containing the sliding block assembly (3), a first cover body side wall (11) is arranged on the first bearing cover (1), a second cover body side wall (21) is arranged on the second bearing cover (2), and the inner diameter of the first cover body side wall (11) is larger than the outer diameter of the second cover body side wall (21), so that a displacement gap (4) is formed between the outer wall surface of the second cover body side wall (21) and the inner wall surface of the first cover body side wall (11);

the novel elastic buffer structure is characterized in that a plurality of buffer spring units (5) which are arranged at equal intervals along the circumferential direction of the displacement gap (4) are arranged in the displacement gap (4), one end of each buffer spring unit (5) is connected with the first cover body side wall (11), the other end of each buffer spring unit is connected with the second cover body side wall (21), and when the first cover body side wall (11) at the position where the buffer spring unit (5) is located is close to or far away from the second cover body side wall (21), the buffer spring units (5) can all be elastically deformed.

2. The triple friction pendulum building vibration isolation device according to claim 1, wherein: the buffer spring unit (5) comprises a spring plate group (51), a buffer abutting piece (52), a sliding abutting piece (53) and a pulling connecting piece (54), wherein two ends of the spring plate group (51) are respectively connected with one sliding abutting piece (53), and the sliding abutting piece (53) abuts against the first cover body side wall (11); the buffer abutting piece (52) is arranged in the middle of the spring plate group (51) and abuts against the second cover body side wall (21), a plurality of pairs of limit columns (12) are further arranged on the first bearing cover (1), and each pair of limit columns (12) is arranged on one side, close to the second cover body side wall (21), of the spring plate group (51) and can abut against the spring plate group (51); two ends of the spring plate group (51) are respectively connected with one pulling connecting piece (54), and the other end of each pulling connecting piece (54) is connected with the second cover body side wall (21).

3. The triple friction pendulum building vibration isolation device according to claim 2, wherein: the spring plate group (51) comprises a plurality of spring plates which are overlapped, the sliding abutting piece (53) is a roller, and the buffering abutting piece (52) is a rubber block.

4. The triple friction pendulum building vibration isolation device according to claim 2, wherein: the pulling connecting piece (54) is a pull rod, a spring plate hinge shaft lever (511) is arranged at one side, close to the side wall (21) of the second cover body, of the end part of the spring plate group (51), and the axial direction of the spring plate hinge shaft lever (511) is arranged along the vertical direction; a side wall hinge shaft lever (211) is arranged on the side wall (21) of the second cover body, and the axial direction of the side wall hinge shaft lever (211) is arranged along the horizontal direction; one end of the pull rod is hinged with the spring plate hinge shaft lever (511), and the other end of the pull rod is hinged with the side wall hinge shaft lever (211).

5. The triple friction pendulum building vibration isolation device according to claim 1, wherein: the first bearing cover (1) is further provided with a first cover body concave surface (13), the second bearing cover (2) is further provided with a second cover body concave surface (22), and the sliding block assembly (3) can be abutted with the first cover body concave surface (13) and the second cover body concave surface (22) and can slide in the accommodating cavity.

6. The triple friction pendulum building vibration isolation apparatus according to claim 5, wherein: the slider assembly (3) comprises a first slider (31) and a second slider (32); the second slider (32) is provided with an abutting concave cavity, the first slider (31) is provided with an abutting convex column (311), and abutting surfaces of the abutting convex column (311) and the abutting concave cavity are spherical surfaces.

7. The triple friction pendulum building vibration isolation apparatus according to claim 6, wherein: a first wear-resistant layer (61) is formed between the first sliding block (31) and the first cover concave surface (13), a second wear-resistant layer (62) is formed between the first sliding block (31) and the second sliding block (32), and a third wear-resistant layer (63) is formed between the second sliding block (32) and the second cover concave surface (22).

8. The triple friction pendulum building vibration isolation apparatus according to claim 7, wherein: the first wear-resistant layer (61), the second wear-resistant layer (62) and the third wear-resistant layer (63) are polytetrafluoroethylene wear-resistant layers.