CN113417380B - Anti-swing shock isolation device - Google Patents

Abstract

An anti-sway seismic isolation apparatus comprising: the device comprises a hollow inner cylinder, a hollow outer cylinder, a movement mechanism and a prestressed bolt; the inner cylinder is vertically and fixedly arranged on the ground or a non-protection structure; the outer cylinder is sleeved outside the inner cylinder; the movement mechanism is arranged between the outer cylinder and the inner cylinder; the prestressed bolt horizontally penetrates through a side plate of one of the outer cylinder and the inner cylinder to be fixedly connected with the movement mechanism, and horizontally extrudes the movement mechanism on the side surface of the other one; the protected structure is mounted to the outer side or upper surface of the outer barrel. According to the anti-swing shock isolation device provided by the invention, the outer cylinder and the inner cylinder are both vertically arranged, and the prestressed bolt penetrates through the side plate of one of the outer cylinder and the inner cylinder to enable the movement mechanism to be tightly abutted against the side surface of the other one, so that the outer cylinder can only vertically move up and down relative to the inner cylinder under the action of an external force, and further the protected structure can vertically move up and down under the action of the external force, so that the problem of torsional vibration or overturning of the protected structure is avoided, and the shock isolation effect is enhanced.

Description

An anti-sway vibration isolation device

technical field

The invention relates to the technical field of vibration isolation bearings, in particular to an anti-sway vibration isolation device.

Background technique

Earthquakes have the characteristics of sporadic, multidirectional and high intensity. For important high-value structures, facilities or equipment, earthquake damage is often a great potential hidden danger. Seismic isolation technology is a relatively mature technical means to resist earthquake disasters. It can better isolate the earthquake action. However, the existing vertical isolation device cannot solve the swaying problem caused by the eccentricity and high center of gravity of the protected structure during use, which leads to a large sway of the protected anti-swinging isolation device structure under the action of earthquake, and then This leads to the danger of torsional vibration or overturning of the protected structure, and also leads to the weakening of the seismic isolation effect of the vertical isolation device.

SUMMARY OF THE INVENTION

In order to solve the problem that under the action of earthquake, the protected structure will sway greatly during the use of the existing vertical vibration isolation device, which will lead to the danger of torsional vibration or overturning of the protected structure, and also lead to the vertical vibration isolation device. To solve the problem of weakening the vibration isolation effect, the present invention proposes an anti-sway vibration isolation device, comprising: a hollow inner cylinder, a hollow outer cylinder, a motion mechanism and prestressed bolts for pressing the inner cylinder and the outer cylinder ;

The inner cylinder is vertically fixed on the ground or on a non-protective structure;

the outer cylinder is sleeved outside the inner cylinder;

the movement mechanism is arranged between the outer cylinder and the inner cylinder;

The prestressed bolt horizontally passes through the side plate of one of the outer cylinder and the inner cylinder and is fixedly connected with the movement mechanism, and the movement mechanism is horizontally pressed on the side surface of the other;

The protected structure is mounted on the outer side or upper surface of the outer cylinder.

Preferably, the upper surface of the outer cylinder is higher than the upper surface of the inner cylinder, and the lower surface of the outer cylinder is higher than the lower surface of the inner cylinder.

Preferably, a clamping groove is provided on the side of the movement mechanism facing the prestressed bolt;

One end of the prestressed bolt facing the moving mechanism is clamped in the clamping groove.

Preferably, one end of the prestressed bolt away from the bolt head is provided with a chamfer;

The clamping groove is adapted to the end of the prestressed bolt provided with a chamfer.

Preferably, the movement mechanism includes a sliding structure and/or an elastic recovery structure.

Preferably, the elastic recovery structure includes a laminated rubber support;

The prestressed bolt passes through the inner cylinder or the outer cylinder and is clamped in the clamping groove on the laminated rubber support.

Preferably, the laminated rubber support comprises two oppositely arranged connecting plates;

The connecting plate has a plate-like structure and is made of rigid material;

One of the connecting plates of the laminated rubber support is abutted against the outer side of the inner cylinder or the inner side of the outer cylinder;

The clamping groove is opened on the side of the other side connecting plate of the laminated rubber support close to the prestressed bolt;

The prestressed bolt is clamped in the clamping groove.

Preferably, the sliding structure includes a low friction member and a sliding steel plate;

The sliding steel plate has a plate-like structure and is made of rigid material;

The outer cylinder, the sliding steel plate, the low friction member and the inner cylinder are in a horizontally squeezed state.

Preferably, the sliding steel plate is arranged on a side close to the inner side surface of the outer cylinder;

A placement groove is provided on the outer side of the inner cylinder or the side of the sliding steel plate close to the inner cylinder;

The depth of the placement groove is smaller than the thickness of the low-friction member;

the low-friction element is clamped in the placement groove;

The clamping groove is opened on the side surface of the sliding steel plate close to the inner side surface of the outer cylinder;

The prestressed bolt passes through the outer cylinder and is clamped in the clamping groove.

Preferably, the sliding steel plate is arranged on a side close to the outer side surface of the inner cylinder;

A placement groove is provided on the inner side of the outer cylinder or the side of the sliding steel plate close to the outer cylinder;

The depth of the placement groove is smaller than the thickness of the low-friction member;

the low-friction element is clamped in the placement groove;

the clamping groove is opened on the side surface of the sliding steel plate close to the outer side surface of the inner cylinder;

The prestressed bolt passes through the inner cylinder and is clamped in the clamping groove.

Preferably, the outer cylinders are multiple;

A plurality of the outer cylinders are arranged along the axial direction of the inner cylinder from top to bottom.

Preferably, the same side of a plurality of the outer cylinders is provided with the same number of the movement mechanisms as the number of the outer cylinders, or the same side of the plurality of the outer cylinders share the movement mechanism.

Preferably, the outer cylinder and the inner cylinder are both rigid materials.

Preferably, it also includes a fixing plate matched with the lower end face of the inner cylinder;

The fixing plate is made of rigid material;

The lower end of the inner cylinder is fixedly connected to the ground or a non-protective structure through the fixing plate.

Preferably, it also includes a vertical vibration isolation assembly;

The vertical vibration isolation assembly is arranged in a vertical direction;

One end of the vertical vibration isolation assembly is fixedly connected under the protected structure, and the other end is fixedly connected to the ground or the non-protected structure.

Compared with the prior art, the beneficial effects of the present invention are:

The invention provides an anti-sway vibration isolation device, comprising: a hollow inner cylinder, a hollow outer cylinder, a motion mechanism and prestressed bolts for pressing the inner cylinder and the outer cylinder; Straight and fixed on the ground or on a non-protective structure; the outer cylinder is sleeved outside the inner cylinder; the motion mechanism is set between the outer cylinder and the inner cylinder; the prestressed bolts pass through horizontally The side plate of one of the outer cylinder and the inner cylinder is fixedly connected with the motion mechanism, and the motion mechanism is horizontally squeezed on the side of the other; the protected structure is installed on the outer side of the outer cylinder or upper surface. In the anti-sway vibration isolation device proposed by the present invention, both the outer cylinder and the inner cylinder are vertically arranged, and the prestressed bolts pass through the side plate of one of the outer cylinder and the inner cylinder, so that the moving mechanism is pressed against the side of the other, so that the Under the action of external force, the outer cylinder can only move up and down in the vertical direction relative to the inner cylinder, so that the protected structure can move up and down in the vertical direction under the action of external force, avoiding torsional vibration or overturning of the protected structure. problem, and enhance the isolation effect.

Description of drawings

1 is a schematic diagram of the overall structure of the motion mechanism of the anti-sway vibration isolation device of the present invention is a sliding structure and the prestressed bolts are arranged on the outer cylinder;

Fig. 2 is the top view structure schematic diagram of Fig. 1;

Fig. 3 is the sectional structure schematic diagram of Fig. 2;

4 is a schematic top view of the structure of the motion mechanism of the anti-sway vibration isolation device of the present invention as an elastic recovery structure;

Fig. 5 is the sectional structure schematic diagram when Fig. 4 is not installed and used;

FIG. 6 is a schematic cross-sectional view of FIG. 4 when it has been installed and used and vibrates;

7 is a schematic diagram of the overall structure of the vertical vibration isolation assembly;

Among them: 1. Inner cylinder; 11. Fixed plate; 2. Outer cylinder; 3. Prestressed bolt; 4. Sliding steel plate; 5. Low friction part; 6. Laminated rubber bearing.

Detailed ways

The invention discloses an anti-swing vibration isolation device. The device uses the action mechanism of horizontal restriction and vertical movement to control the swing angle and displacement of a protected structure, so that under the action of external force, the outer cylinder is relatively opposite to the inner cylinder. The cylinder can only move up and down in the vertical direction, so that the protected structure can move up and down in the vertical direction under the action of external force, which avoids the problem of torsional vibration or overturning of the protected structure and enhances the seismic isolation effect.

Example 1

An anti-sway vibration isolation device includes an inner cylinder 1, a hollow outer cylinder 2, a movement mechanism, a prestressed bolt 3, and a fixing plate 11, as shown in FIG. 1 . Both the inner cylinder 1 and the outer cylinder 2 are arranged in a cylindrical structure and are arranged in the vertical direction. The fixing plate 11 is arranged in a plate-shaped structure. The structure is fixedly connected by bolts, and the outer cylinder 2 is sleeved outside the inner cylinder 1. When vibration or no vibration occurs, the upper surface of the outer cylinder 2 is higher than the upper surface of the inner cylinder 1, and the lower surface of the outer cylinder 2 is higher than the inner cylinder 1. the lower surface of the barrel 1. The movement mechanism is arranged between the inner cylinder 1 and the outer cylinder 2, the prestressed bolts 3 horizontally pass through the side plate of the outer cylinder 2 or the inner cylinder 1 and are fixedly connected with the movement mechanism, and the movement mechanism is horizontally squeezed so that it is not penetrated by the stress bolts. The protected structure is mounted on the outer side or upper surface of the outer cylinder 2 on the other side of the passing inner cylinder or the outer cylinder.

The movement mechanism and the fixedly connected outer cylinder 2 or the inner cylinder 1 form an integral structure, and there is a pressing force between the inner cylinder 1 or the outer cylinder 2 that is in contact with each other. The tight inner/outer cylinder is kept tight and does not deform; when the external force of the anti-swing vibration isolation device exceeds a certain limit, under the action of the external force, it is affected by the structure of the inner and outer cylinders, the placement direction and the pressing force. Vertical displacement occurs when the movement mechanism extends against the cylinder wall of the tight inner/outer barrel.

The specific shape and weight of the protected structure are not limited, and the number of anti-swing vibration isolation devices is determined according to the actual needs of the protected structure. The number of seismic isolation devices shall not be less than two. The protected structure is installed on the outer side or upper surface of the outer cylinder 2, and the lower end surface of the inner cylinder 1 is fixedly connected to the fixing plate 11, and the fixing plate 11 is fixedly connected to the ground or the non-protected structure.

In this embodiment, the inner cylinder 1 and the outer cylinder 2 are both rectangular and square cylinders as an example. The movement mechanism includes four groups of elastic recovery structures. As shown in FIG. 4 , each group of elastic recovery structures includes a laminated rubber support 6. The rubber support 6 includes two oppositely arranged connecting plates, one of the connecting plates of the laminated rubber support 6 is abutted against the outer side of the inner cylinder 1, and each side plate of the outer cylinder 2 is provided with threaded through holes, each of which is provided with threaded through holes. There is a prestressed bolt 3 in the threaded through hole that is screwed and installed from the outer side of the outer cylinder 2 to the inner side until the prestressed bolt 3 is in contact with the other side connecting plate of the laminated rubber support 6 .

The side of the connecting plate of the laminated rubber support 6 that is in contact with the prestressed bolt 3 is provided with a snap-fit groove that matches the chamfered end of the prestressed bolt 3, and the prestressed bolt 3 is provided with a chamfered end. It is clamped in the corresponding clamping groove, and the prestressed bolt 3 applies the set tightening torque to make the connecting plate of the laminated rubber support 6 receive the set preloaded thrust, so that the other The side connecting plate is in close contact with the outer side surface of the inner cylinder 1 .

One end of the prestressed bolt 3 that protrudes into the outer cylinder 2 is provided with a chamfer, and the side of the connecting plate of the laminated rubber support 6 away from the inner cylinder 1 is provided with a clamp that matches the chamfered end of the prestressed bolt 3. The prestressed bolt 3 is provided with a chamfered end and is clamped in the corresponding clamping groove, and the prestressed bolt 3 applies a set tightening torque so that the connecting plate of the laminated rubber support 6 is subjected to a preset thrust force.

The connecting plates of the four groups of laminated rubber supports 6 are all pushed by the outer cylinder 2 as a reaction force point in the direction of the inner cylinder by the prestressed bolts 3, and the outer cylinder 2, the laminated rubber support 6 and the inner cylinder 1 are in a horizontal direction. pressure state. During the working process, the pressure provided by the protected structure against the rocking isolation device is not only less than the maximum lateral support force of the laminated rubber support 6, but also less than the friction between the laminated rubber support 6 and the outer side of the inner cylinder 1 When the force is applied, the connecting plate of the outer cylinder 2 and the laminated rubber support 6 facing the outer cylinder 2, the connecting plate of the laminated rubber support 6 facing the inner cylinder 1 and the inner cylinder 1 are relatively stationary respectively, so that the outer cylinder 2 It can only move up and down relative to the inner cylinder 1 along the vertical direction.

The installed laminated rubber support 6 is an inclined support in the free state, that is, the side of the laminated rubber support 6 facing the prestressed bolt 3 is higher than the other side, as shown in FIG. 5 .

In this embodiment, the protected structure takes the electric meter box as an example. The pressure provided by the electric meter box against the rocking vibration isolation device is not only smaller than the maximum lateral support force of the laminated rubber support 6 , but also smaller than that of the laminated rubber support 6 and the inner cylinder 1 . friction between the outer sides. When the connection between the electric meter box and the outer cylinder 2 is completed, under the action of the self-weight of the electric meter box, the outer cylinder 2 gradually moves downward, and at the same time pulls the laminated rubber support 6 to deform. When the laminated rubber support 6 provides a lateral support force and When the gravity provided by the meter box is equal, the outer cylinder 2 stops moving downward, and the laminated rubber support 6 also stops deforming, as shown in FIG. 6 .

Example 2

When the moving mechanism is the laminated rubber support 6, bolts can also be inserted from the inner side of the inner cylinder 1 to the outer side, so that the bolts are threadedly connected with the connecting plate of the laminated rubber support 6 on the side close to the inner cylinder 1, so that the The laminated rubber support 6 does not slide relative to the inner cylinder 1 .

Each side plate of the inner cylinder 1 is provided with through holes, and each through hole has a bolt installed from the inner side of the inner cylinder 1 to the outer side until the bolt and the laminated rubber support 6 face the connecting plate on the side of the inner cylinder 1. Threaded connection.

Example 3

When the pressure provided by the protected structure against the rocking vibration isolation device is greater than the maximum lateral support force of the laminated rubber support 6, or is greater than the friction force between the laminated rubber support 6 and the outer side of the inner cylinder 1, the protected structure is protected. Vertical vibration isolation components are installed under the structure.

The structure and number of vertical vibration isolation components are not limited, and can provide vertical restoring force, so that the protected structure can be restored to the normal use state after the vibration occurs and after the vibration is over. In this embodiment, the vertical vibration isolation assembly includes an upper connecting structure, a steel spring and a lower connecting structure that are fixedly connected in sequence, as shown in FIG. 7 . Both the upper connecting structure and the lower connecting structure are made of rigid materials and are arranged in a plate-like structure. Six steel springs are arranged, and the two ends are respectively welded with the upper connecting structure and the lower connecting structure. The vertical isolation components are placed vertically, the upper connecting structure is fixedly connected to the protected structure through bolts, and the lower connecting structure is fixedly connected to the ground or non-protected structure through bolts. Provides an upward restoring force to the protected structure during shock.

Example 4

In addition to the elastic recovery structure, the movement mechanism can also be set to a sliding structure.

In this embodiment, the inner cylinder 1 is a rectangular parallelepiped cylinder and the outer cylinder 2 is a rectangular parallelepiped square cylinder. The friction part 5 and the low friction part 5 have a low friction coefficient and are arranged in a square thin pad structure. The thrust is converted into a surface load, which acts uniformly on the low-friction element 5 . The four sliding steel plates 4 are respectively installed between the four outer sides of the inner cylinder 1 and the four inner sides of the outer cylinder 2, and the low-friction element 5 is arranged between the sliding steel plates 4 and the outer sides of the inner cylinder 1, and the sliding steel plates 4 face One side of the inner cylinder 1 is provided with a placement groove, the depth of the placement groove is less than the thickness of the low-friction part 5, one side of the low-friction part 5 is embedded and fixed in the placement groove of the sliding steel plate 4 by applying glue, and the other is One side is in close contact with the outer side of the inner cylinder 1; at this time, there is a certain gap between the side of the sliding steel plate 4 facing the inner side of the outer cylinder 2 and the inner side of the outer cylinder 2, and each side plate of the outer cylinder 2 is provided with threaded holes. Each threaded through hole has a prestressed bolt 3 screwed and installed from the outer side of the outer cylinder 2 to the inner side until the prestressed bolt 3 is fixedly connected with the sliding steel plate 4 .

One end of the prestressed bolt 3 extending into the outer cylinder 2 is provided with a chamfer, and the side of the sliding steel plate 4 away from the low-friction member 5 is provided with a clamping groove that is adapted to the chamfered end of the prestressed bolt 3. The bolt 3 is provided with a chamfered end and is clamped in the corresponding clamping groove, and the prestressed bolt 3 applies a set tightening torque so that the sliding steel plate 4 is subjected to a preset thrust force.

The sliding steel plates 4 of the four sets of motion mechanisms are all pushed by the outer cylinder 2 as a reaction force point toward the inner cylinder by the prestressed bolts 3, and the outer cylinder 2, the sliding steel plate 4, the low-friction member 5 and the inner cylinder 1 are in a horizontal direction. In the working process, the outer cylinder 2, the sliding steel plate 4 and the low-friction part 5 are relatively static, and the sliding steel plate 4 and the low-friction part 5 can only move up and down relative to the inner cylinder 1 along the vertical direction, so that the outer cylinder 2 can only The relative inner cylinder 1 moves up and down along the vertical direction.

The protected structure in this embodiment takes an electrical cabinet as an example. When an anti-sway vibration isolation device needs to be installed under the electrical cabinet, the assembly process is as follows:

Weld the lower end face of the inner cylinder 1 with the fixing plate 11, and the fixing plate 11 and the ground or non-protective structure are fixedly connected by bolts;

The outer cylinder 2 is sleeved on the outside of the inner cylinder 1, the sliding steel plate 4 and the low-friction member 5 are respectively placed between the four gaps of the outer cylinder 2 and the inner cylinder 1, and the low-friction member 5 is put into the sliding steel plate 4 and the low-friction member 5 respectively. Between inner cylinder 1;

Thread the prestressed bolts 3 to the threaded through holes on the outer cylinder 2, and clamp the prestressed bolts 3 into the clamping grooves of the sliding steel plate 4, so that the low-friction parts 5 are in close contact with the outer side of the inner cylinder 1. ;

Arrange the six steel springs according to 3*2, and weld their two ends with the upper connection structure and the lower connection structure respectively;

At this point, the assembly of an anti-swing vibration isolation device is completed, and a plurality of anti-sway vibration isolation devices assembled according to the above method are respectively fixed and installed on the bottom wall and the side wall at the lower end corner of the electrical cabinet.

Example 5

The low-friction member 5 can be mounted on the inner cylinder 1 in addition to the sliding steel plate 4 .

When the low-friction part 5 is installed on the inner cylinder 1 , a placement groove needs to be opened on the outer surface of the inner cylinder 1 , the depth of the placement groove is less than the thickness of the low-friction part 5 , and the low-friction part 5 faces one side of the inner cylinder 1 . The side is clamped in the placement groove, and when vibration occurs, the sliding steel plate 4 and the low-friction member 5 slide relative to each other.

Example 6

The low-friction member 5 can be installed between the sliding steel plate 4 and the inner cylinder 1 as well as between the sliding steel plate 4 and the outer cylinder 2 .

When the low-friction member 5 is installed between the sliding steel plate 4 and the outer cylinder 2, the inner cylinder 1 is arranged in a cylindrical structure. In this embodiment, the inner cylinder 1 is a rectangular parallelepiped square cylinder as an example. The four sliding steel plates 4 are respectively placed between the four outer sides of the inner cylinder 1 and the four inner sides of the outer cylinder 2, and the low-friction element 5 is arranged between the sliding steel plates 4 and the inner sides of the outer cylinder 2, and the sliding steel plates 4 face One side of the outer cylinder 2 is provided with a placement groove, the depth of the placement groove is less than the thickness of the low-friction part 5, one side of the low-friction part 5 is embedded and fixed in the placement groove of the sliding steel plate 4 by applying glue, and the other is One side is in close contact with the inner side of the outer cylinder 2; at this time, there is a certain gap between the side of the sliding steel plate 4 facing the outer side of the inner cylinder 1 and the outer side of the inner cylinder 1, and each side plate of the inner cylinder 1 is provided with threaded through holes , each threaded through hole has a prestressed bolt 3 that is screwed and installed from the inner side of the inner cylinder 1 to the outside until the prestressed bolt 3 is fixedly connected with the sliding steel plate 4 .

Example 7

The low friction member 5 can be installed on the outer cylinder 2 in addition to the sliding steel plate 4 and the inner cylinder 1 .

When the low-friction member 5 is installed on the outer cylinder 2, a placement groove needs to be opened on the inner side of the outer cylinder 2, the depth of the placement groove is less than the thickness of the low-friction member 5, and the low-friction member 5 faces the side of the outer cylinder 2 The sliding steel plate 4 and the low-friction member 5 slide relative to each other when they are clamped in the placement groove.

Example 8

In addition to the sliding structure or the elastic recovery structure, the movement mechanism can also be configured as a sliding structure and an elastic recovery structure.

When the motion mechanism is set to a sliding structure and an elastic recovery structure, there are four groups of motion mechanisms, of which two groups are sliding structures, including sliding steel plates 4 and low-friction parts 5, and the other two groups are elastic recovery structures, including laminated rubber bearings 6. The sliding structure and the elastic recovery structure are installed symmetrically.

Example 9

The invention discloses an anti-sway vibration isolation device, which can also be arranged as follows: an inner cylinder 1 is sleeved with two outer cylinders 2, and the two outer cylinders 2 are sequentially sleeved on the inner cylinder along the axis direction of the inner cylinder from top to bottom. On the outside of 1, there is a gap between the two outer cylinders 2, the outer cylinder 2 on the lower side is close to the fixing plate 11, and there is a gap between the outer cylinder 2 on the lower side and the fixing plate 11, and the interval height satisfies the occurrence of The displacement of the protected structure in the vertical direction during vibration. Four sets of motion mechanisms are arranged between the outer cylinder 2 and the inner cylinder 1 of each section. The motion mechanisms are all made of laminated rubber supports 6 and are equipped with corresponding prestressed bolts 3. The two outer cylinders 2 are fixed to the protected structure. connect.

The protected structure of this embodiment takes a house as an example. The anti-swing vibration isolation devices are arranged in four groups, and the four end corner positions of the house are fixedly connected to the outer sides of the two outer cylinders 2 of each group of anti-sway vibration isolation devices.

Example 10

A gap may or may not be set between the two outer cylinders 2 .

When there is no gap between the two outer cylinders 2, the two outer cylinders 2 form a long outer cylinder. The arrangement of the two outer cylinders 2 facilitates the installation of the long outer cylinder, and the two outer cylinders 2 are fixedly connected to the protected structure. . A total of four motion mechanisms are arranged between the two sections of the outer cylinder 2 and the inner cylinder 1 , and the motion mechanisms are all made of sliding steel plates 4 and low-friction parts 5 , and are equipped with corresponding prestressed bolts 3 .

The above are only examples of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention are included in the application for pending approval of the present invention. within the scope of the claims.

Claims (6)

1. An anti-sway seismic isolation apparatus comprising: the device comprises a hollow inner cylinder (1), a hollow outer cylinder (2), a motion mechanism for tightly abutting against the inner cylinder and the outer cylinder, and a prestressed bolt (3);

the inner cylinder (1) is vertically and fixedly arranged on the ground or a non-protection structure;

the outer cylinder (2) is sleeved outside the inner cylinder (1);

the movement mechanism is arranged between the outer cylinder (2) and the inner cylinder (1);

the prestressed bolt (3) horizontally penetrates through a side plate of one of the outer cylinder (2) and the inner cylinder (1) to be fixedly connected with the movement mechanism, and horizontally extrudes the movement mechanism on the side surface of the other movement mechanism;

the protected structure is arranged on the outer side surface or the upper surface of the outer cylinder (2);

the upper surface of the outer cylinder (2) is higher than the upper surface of the inner cylinder (1), and the lower surface of the outer cylinder (2) is higher than the lower surface of the inner cylinder (1);

a clamping groove is formed in the side face, facing the prestressed bolt (3), of the moving mechanism;

one end, facing the movement mechanism, of the prestressed bolt (3) is clamped in the clamping groove;

a chamfer is arranged at one end, far away from the bolt head, of the prestressed bolt (3);

the clamping groove is matched with one end of the prestressed bolt (3) provided with a chamfer;

the movement mechanism comprises a sliding structure;

the sliding structure comprises a low-friction piece (5) and a sliding steel plate (4);

the sliding steel plate (4) is of a plate-shaped structure and is made of rigid material;

the outer cylinder (2), the sliding steel plate (4), the low-friction piece (5) and the inner cylinder (1) are in a horizontal extrusion state;

the sliding steel plate (4) is arranged on one side close to the inner side surface of the outer cylinder (2);

a placing groove is formed in the outer side surface of the inner cylinder (1) or the side surface of the sliding steel plate (4) close to the inner cylinder (1);

the clamping groove is formed in the side face, close to the inner side face of the outer barrel (2), of the sliding steel plate (4);

the prestressed bolt (3) penetrates through the outer barrel (2) and is clamped in the clamping groove;

the sliding steel plate (4) is arranged on one side close to the outer side surface of the inner cylinder (1);

a placing groove is formed in the inner side surface of the outer cylinder (2) or the side surface of the sliding steel plate (4) close to the outer cylinder (2);

the clamping groove is formed in the side face, close to the outer side face of the inner cylinder (1), of the sliding steel plate (4);

the prestressed bolt (3) penetrates through the inner cylinder (1) and is clamped in the clamping groove.

2. An anti-sway seismic isolation device as claimed in claim 1 wherein said outer tub (2) is plural;

a plurality of the outer cylinders (2) are arranged along the axial direction of the inner cylinder (1) from top to bottom.

3. The anti-sway seismic isolation device as claimed in claim 2, characterized in that said motion mechanisms are provided on the same side of a plurality of said outer cylinders (2) in the same number as said outer cylinders (2) or said motion mechanisms are shared on the same side of a plurality of said outer cylinders (2).

4. The anti-sway seismic isolation device of claim 1, wherein said outer cylinder (2) and said inner cylinder (1) are both of a rigid material.

5. The anti-sway vibration isolation device of claim 1 further comprising a fixing plate (11) fitted to the lower end face of the inner cylinder (1);

the fixing plate (11) is made of rigid materials;

the lower end of the inner cylinder (1) is fixedly connected with the ground or a non-protection structure through the fixing plate (11).

6. The anti-sway seismic isolation device of claim 1 further comprising a vertical seismic isolation assembly;

the vertical shock insulation assembly is arranged in the vertical direction;

vertical shock insulation subassembly one end fixed connection is in protected structure below, and the other end fixed connection is on ground or non-protection architecture.

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