CN113417380B - Anti-swing shock isolation device - Google Patents
Anti-swing shock isolation device Download PDFInfo
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- CN113417380B CN113417380B CN202110749599.9A CN202110749599A CN113417380B CN 113417380 B CN113417380 B CN 113417380B CN 202110749599 A CN202110749599 A CN 202110749599A CN 113417380 B CN113417380 B CN 113417380B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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
Technical Field
The invention relates to the technical field of seismic isolation supports, in particular to an anti-swing seismic isolation device.
Background
Earthquake has the characteristics of sporadic nature, multi-directionality, high strength and the like, earthquake damage is often a great potential hidden danger to important structures, facilities or equipment with high value, and the seismic isolation technology is taken as a mature technical means for resisting earthquake disasters at present and can better isolate the earthquake action. But current vertical shock isolation device can't solve in the use because the eccentric and the focus of protected structure leads to swaying the problem too high to lead to the protected anti shock isolation device structure of swaying to appear great rocking under the earthquake effect, and then lead to the protected structure to produce torsional vibration or the danger of toppling, also lead to vertical shock isolation device's shock insulation effect to weaken simultaneously.
Disclosure of Invention
In order to solve the problems that under the action of an earthquake, a protected structure can swing greatly in the using process of the conventional vertical shock isolation device, so that the protected structure generates torsional vibration or overturning danger, and the shock isolation effect of the vertical shock isolation device is weakened, the invention provides an anti-swing shock isolation device, which comprises: the device comprises a hollow inner cylinder, a hollow outer cylinder, a movement mechanism for tightly abutting against the inner cylinder and the outer cylinder, 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 an outer side or upper surface of the outer barrel.
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 formed in the side face, facing the prestressed bolt, of the moving mechanism;
one end, facing the movement mechanism, of the prestressed bolt is clamped in the clamping groove.
Preferably, a chamfer is arranged at one end of the prestressed bolt, which is far away from the bolt head;
the clamping groove is matched with one end, provided with a chamfer, of the prestressed bolt.
Preferably, the movement mechanism comprises a sliding structure and/or an elastic restoring structure.
Preferably, the elastic restoring structure comprises a laminated rubber mount;
the prestressed bolt penetrates through the inner barrel or the outer barrel 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 is of a plate-shaped structure and is made of rigid materials;
one side connecting plate of the laminated rubber support is abutted against the outer side surface of the inner cylinder or the inner side surface of the outer cylinder;
the clamping groove is formed in the side face, close to the prestressed bolt, of the connecting plate on the other side of the laminated rubber support;
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 is of a plate-shaped structure and is made of a rigid material;
the outer cylinder, the sliding steel plate, the low friction member and the inner cylinder are in a horizontally extruded state.
Preferably, the sliding steel plate is arranged on one side close to the inner side surface of the outer cylinder;
a placing groove is formed in the outer side surface of the inner cylinder or the side surface of the sliding steel plate close to the inner cylinder;
the depth of the placing groove is smaller than the thickness of the low-friction piece;
the low-friction piece is clamped in the placing groove;
the clamping groove is formed in the side face, close to the inner side face of the outer barrel, of the sliding steel plate;
the prestressed bolt penetrates through the outer barrel and is clamped in the clamping groove.
Preferably, the sliding steel plate is arranged on one side close to the outer side surface of the inner cylinder;
a placing groove is formed in the inner side surface of the outer cylinder or the side surface of the sliding steel plate close to the outer cylinder;
the depth of the placing groove is smaller than the thickness of the low-friction piece;
the low-friction piece is clamped in the placing groove;
the clamping groove is formed in the side face, close to the outer side face of the inner cylinder, of the sliding steel plate;
the prestressed bolt penetrates through the inner barrel and is clamped in the clamping groove.
Preferably, the outer cylinder is provided in plurality;
and the outer cylinders are arranged along the axial direction of the inner cylinders from top to bottom.
Preferably, the moving mechanisms with the same number as the outer cylinders are arranged on the same sides of the outer cylinders or the moving mechanisms are shared on the same sides of the outer cylinders.
Preferably, the outer cylinder and the inner cylinder are both made of rigid materials.
Preferably, the device also comprises a fixing plate matched with the lower end surface of the inner cylinder;
the fixing plate is made of rigid materials;
the lower end of the inner cylinder is fixedly connected with the ground or a non-protection structure through the fixing plate.
Preferably, the system further comprises 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.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an anti-swing shock isolation device, which comprises: the device comprises a hollow inner cylinder, a hollow outer cylinder, a movement mechanism for tightly abutting against the inner cylinder and the outer cylinder, 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 an 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.
Drawings
FIG. 1 is a schematic view of an overall structure in which a movement mechanism of the anti-sway vibration isolation device of the present invention is a sliding structure and a prestressed bolt is disposed on an outer cylinder;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic top view of the elastic restoring structure of the motion mechanism of the anti-sway seismic isolation apparatus of the present invention;
FIG. 5 is a schematic cross-sectional view of FIG. 4 shown in an uninstalled configuration;
FIG. 6 is a schematic sectional view of the vibration damper of FIG. 4 in an installed state;
FIG. 7 is a schematic view of the overall structure of a vertical seismic isolation assembly;
wherein: 1. an inner barrel; 11. a fixing plate; 2. an outer cylinder; 3. a prestressed bolt; 4. sliding a steel plate; 5. a low friction member; 6. and laminating a rubber support.
Detailed Description
The invention discloses an anti-swing shock isolation device, which controls the swing corner and displacement of a protected structure by utilizing the action mechanism of horizontal limitation and vertical movement of the device, so that an outer cylinder can only vertically move relative to an inner cylinder under the action of external force, and further the protected structure vertically moves under the action of external force, thereby avoiding the problem of torsional vibration or overturning of the protected structure and enhancing the shock isolation effect.
Example 1
An anti-swing seismic isolation device comprises an inner cylinder 1, a hollow outer cylinder 2, a motion mechanism, a prestressed bolt 3 and a fixing plate 11, as shown in figure 1. Inner tube 1 and urceolus 2 all are the tubular structure setting, and set up along vertical direction, and fixed plate 11 is the platelike structure setting, and the lower terminal surface and the fixed plate 11 welding of inner tube 1, fixed plate 11 pass through bolt fixed connection with ground or non-protection architecture, and outer 1 is located to urceolus 2 cover, and when vibrations or not taking place, the upper surface of urceolus 2 is higher than the upper surface of inner tube 1, and the lower surface of urceolus 2 is higher than the lower surface of inner tube 1. The moving mechanism is arranged between the inner cylinder 1 and the outer cylinder 2, the prestressed bolt 3 horizontally penetrates through the outer cylinder 2 or a side plate of the inner cylinder 1 to be fixedly connected with the moving mechanism, the moving mechanism is horizontally extruded on the other side surface of the inner cylinder or the outer cylinder which is not penetrated by the prestressed bolt, and the protected structure is arranged on the outer side surface or the upper surface of the outer cylinder 2.
The movement mechanism and the outer cylinder 2 or the inner cylinder 1 which is fixedly connected form an integral structure, a resisting force exists between the movement mechanism and the resisting inner cylinder 1 or the outer cylinder 2, the anti-swing shock insulation device movement mechanism and the resisting inner/outer cylinder keep resisting tightly under the action of friction force, and deformation does not occur; when the external force of the anti-swing shock isolation device exceeds a certain limit, under the action of the external force, under the action of the structures of the inner barrel and the outer barrel, the placing direction and the abutting force, the moving mechanism extends the barrel wall of the abutted inner/outer barrel to generate vertical displacement.
The specific shape and the weight of the protected structure are not limited, the number of the anti-swing shock insulation devices is determined according to the actual requirement of the protected structure, the anti-swing shock insulation devices can be arranged at the end angle positions of the bottom surface of the protected structure, and the number of the anti-swing shock insulation devices is not less than two. The protected structure is arranged on the outer side surface or the upper surface of the outer cylinder 2, the lower end surface of the inner cylinder 1 is fixedly connected with a fixing plate 11, and the fixing plate 11 is fixedly connected with the ground or a non-protected structure.
In this embodiment, taking the inner cylinder 1 and the outer cylinder 2 as an example, the movement mechanism includes four sets of elastic recovery structures, as shown in fig. 4, each set of elastic recovery structure includes a laminated rubber support 6, the laminated rubber support 6 includes two oppositely disposed connecting plates, one of the connecting plates of the laminated rubber support 6 abuts against the outer side surface of the inner cylinder 1, each side plate of the outer cylinder 2 is provided with a threaded through hole, each threaded through hole is provided with a prestressed bolt 3, and the prestressed bolt 3 is mounted in a screwing manner from the outer side surface of the outer cylinder 2 to the inner side until the prestressed bolt 3 abuts against the other connecting plate of the laminated rubber support 6.
One side of the connecting plate of the laminated rubber support 6, which is abutted to the prestressed bolt 3, is provided with a clamping groove matched with the end of the prestressed bolt 3, which is provided with a chamfer, is clamped in the corresponding clamping groove, and the prestressed bolt 3 applies a set fastening torque force to enable the connecting plate of the laminated rubber support 6 to receive a set prestressed jacking force, so that the connecting plate on the other side of the laminated rubber support 6 is abutted to the outer side surface of the inner cylinder 1.
One end of the prestressed bolt 3 extending into the outer barrel 2 is provided with a chamfer, one surface of the connecting plate of the laminated rubber support 6, which is far away from the inner barrel 1, is provided with a clamping groove matched with the end of the prestressed bolt 3, one end of the prestressed bolt 3 is provided with a chamfer and clamped in the corresponding clamping groove, and the prestressed bolt 3 applies a set fastening torque force to enable the connecting plate of the laminated rubber support 6 to receive a preset jacking force.
The connecting plates of the four groups of laminated rubber supports 6 are all pushed towards the inner cylinder direction by the prestressed bolts 3 by taking the outer cylinder 2 as a counter-force point, and the outer cylinder 2, the laminated rubber supports 6 and the inner cylinder 1 are in a mutual extrusion state in the horizontal direction. In the working process, when the pressure provided by the protected structure to resist the swinging shock insulation device is not only smaller than the maximum lateral supporting force of the laminated rubber support 6, but also smaller than the friction force between the laminated rubber support 6 and the outer side surface of the inner cylinder 1, the connecting plates on the outer cylinder 2 and the laminated rubber support 6 facing one end of the outer cylinder 2, the connecting plates on the laminated rubber support 6 facing one end of the inner cylinder 1 and the inner cylinder 1 are respectively static relatively, so that the outer cylinder 2 can only move up and down relative to the inner cylinder 1 along the vertical direction.
The mounted laminated rubber mount 6 is an oblique mount in a free state, i.e., the side of the laminated rubber mount 6 facing the prestressed bolt 3 is higher than the other side, as shown in fig. 5.
In this embodiment, the protected structure is an example of an electric meter box, and the pressure provided by the electric meter box against the swing shock isolation device is not only smaller than the maximum lateral supporting force of the laminated rubber support 6, but also smaller than the friction force between the laminated rubber support 6 and the outer side surface of the inner cylinder 1. When the ammeter case is connected with outer cylinder 2 and is accomplished, under the dead weight effect of ammeter case, outer cylinder 2 moves downwards gradually, pulls stromatolite rubber support 6 simultaneously and warp, and when stromatolite rubber support 6 provided the side direction holding power and the gravity etc. that the ammeter case provided are big, outer cylinder 2 stops to move downwards, and stromatolite rubber support 6 also stops to warp, as shown in fig. 6.
Example 2
When the movement mechanism is the laminated rubber support 6, bolts can be inserted from the inner side surface to the outer side surface of the inner cylinder 1, and the bolts are in threaded connection with a connecting plate on one side of the laminated rubber support 6 close to the inner cylinder 1, so that the laminated rubber support 6 does not slide relative to the inner cylinder 1.
Through holes are formed in each side plate of the inner cylinder 1, and each through hole is provided with a bolt which is installed from the inner side surface of the inner cylinder 1 to the outer side until the bolt is in threaded connection with a connecting plate on one side, facing the inner cylinder 1, of the laminated rubber support 6.
Example 3
When the pressure provided by the protected structure to resist the swing shock isolation device is greater than the maximum lateral supporting force of the laminated rubber support 6 or greater than the friction force between the laminated rubber support 6 and the outer side surface of the inner barrel 1, a vertical shock isolation assembly is installed below the protected structure.
The structure and the number of the vertical shock insulation assemblies are not limited, and vertical restoring force can be provided, so that after the shock and the vibration are finished, the protected structure can be restored to a normal use state. In this embodiment, the vertical seismic isolation assembly includes an upper connection structure, a steel spring, and a lower connection structure, which are fixedly connected in sequence, as shown in fig. 7. The upper connecting structure and the lower connecting structure are made of rigid materials and are arranged in a plate-shaped structure, six steel springs are arranged, and two ends of the six steel springs are welded with the upper connecting structure and the lower connecting structure respectively. Vertical direction of vertical shock insulation subassembly is placed, and upper portion connection structure passes through bolt and protected structure fixed connection, and lower part connection structure passes through bolt and ground or non-protected structure fixed connection, and vertical direction of vertical shock insulation subassembly is placed for when taking place vibrations, provides ascending restoring force for protected construction.
Example 4
The movement mechanism may be provided as a sliding structure in addition to the elastic restoration structure.
In this embodiment, the inner cylinder 1 is a rectangular cylinder, the outer cylinder 2 is a rectangular square cylinder, and the movement mechanism includes four sets of sliding structures, as shown in fig. 2 and 3, each set of sliding structure includes a sliding steel plate 4 and a low friction member 5, the low friction member 5 has a low friction coefficient, and is a square thin pad structure, the sliding steel plate 4 is a plate structure, and the material is a rigid material, and is used for converting the pre-set top thrust of the prestressed bolt 3 to the sliding steel plate 4 into a surface load, and the surface load is uniformly applied to the low friction member 5. The four sliding steel plates 4 are respectively arranged between the four outer side surfaces of the inner barrel 1 and the four inner side surfaces of the outer barrel 2, the low friction piece 5 is arranged between the sliding steel plates 4 and the outer side surfaces of the inner barrel 1, a placing groove is formed in one side, facing the inner barrel 1, of each sliding steel plate 4, the depth of each placing groove is smaller than the thickness of the corresponding low friction piece 5, one side of each low friction piece 5 is embedded into and fixed in the corresponding placing groove of the corresponding sliding steel plate 4 through glue, and the other side of each low friction piece 5 is tightly abutted against the outer side surface of the inner barrel 1; at the moment, a certain gap exists between one side, facing the inner side face of the outer barrel 2, of the sliding steel plate 4 and the inner side face of the outer barrel 2, each side plate of the outer barrel 2 is provided with a threaded through hole, and each threaded through hole is provided with a prestressed bolt 3 which is installed in a manner of screwing inwards from the outer side face of the outer barrel 2 until the prestressed bolt 3 is fixedly connected with the sliding steel plate 4.
The one end that prestressed bolt 3 stretched into in urceolus 2 is provided with the chamfer, and the one side that low friction spare 5 was kept away from to sliding steel plate 4 is seted up and is provided with the joint recess of chamfer one end looks adaptation with prestressed bolt 3, and prestressed bolt 3 is provided with chamfer one end joint in the joint recess that corresponds, and prestressed bolt 3 exerts and sets for fastening torsion and makes sliding steel plate 4 receive and predetermine top thrust.
The sliding steel plates 4 of the four groups of movement mechanisms are all pushed towards the inner cylinder direction by the prestressed bolts 3 by taking the outer cylinder 2 as a counter-force point, the outer cylinder 2, the sliding steel plates 4, the low friction parts 5 and the inner cylinder 1 are in a mutual extrusion state in the horizontal direction, in the working process, the outer cylinder 2, the sliding steel plates 4 and the low friction parts 5 are relatively static, the sliding steel plates 4 and the low friction parts 5 can only move up and down along the vertical direction relative to the inner cylinder 1, and therefore the outer cylinder 2 can only move up and down along the vertical direction relative to the inner cylinder 1.
The protected structure of this embodiment uses the regulator cubicle as an example, and when needing to install anti shock isolation device that sways under the regulator cubicle, its assembling process is:
welding the lower end face of the inner cylinder 1 with a fixing plate 11, and fixedly connecting the fixing plate 11 with the ground or a non-protective structure through bolts;
sleeving the outer cylinder 2 on the outer side of the inner cylinder 1, respectively placing a sliding steel plate 4 and a low friction member 5 between four gaps of the outer cylinder 2 and the inner cylinder 1, and placing the low friction member 5 between the sliding steel plate 4 and the inner cylinder 1;
connecting the prestressed bolt 3 to the threaded through hole on the outer cylinder 2 in a threaded manner, and clamping the prestressed bolt 3 in the clamping groove of the sliding steel plate 4 to enable the low-friction piece 5 to be tightly abutted against the outer side face of the inner cylinder 1;
arranging six steel springs according to 3 x 2, and respectively welding two ends of the six steel springs with an upper connecting structure and a lower connecting structure;
and at the moment, the assembly of one anti-swing shock insulation device is completed, and a plurality of anti-swing shock insulation devices assembled according to the method are respectively and fixedly installed on the bottom wall and the side wall of the lower side end corner position of the electrical cabinet.
Example 5
The low friction member 5 may be mounted on the inner cylinder 1 in addition to the sliding steel plate 4.
When low friction member 5 installed on inner tube 1, need set up on the lateral surface of inner tube 1 and place the recess, the degree of depth of placing the recess is less than the thickness of low friction member 5, and low friction member 5 towards one side joint of inner tube 1 in placing the recess, when taking place vibrations, slip steel sheet 4 and low friction member 5 relative slip.
Example 6
The low friction member 5 may be installed between the sliding steel plate 4 and the inner cylinder 1, or between the sliding steel plate 4 and the outer cylinder 2.
When the low friction material 5 is installed between the sliding steel plate 4 and the outer cylinder 2, the inner cylinder 1 is provided in a cylindrical structure, and the inner cylinder 1 is a rectangular parallelepiped square cylinder in this embodiment. The four sliding steel plates 4 are respectively placed between the four outer side surfaces of the inner barrel 1 and the four inner side surfaces of the outer barrel 2, the low friction piece 5 is arranged between the sliding steel plates 4 and the inner side surfaces of the outer barrel 2, a placing groove is formed in one side, facing the outer barrel 2, of each sliding steel plate 4, the depth of each placing groove is smaller than the thickness of the corresponding low friction piece 5, one side of each low friction piece 5 is embedded into and fixed in the corresponding placing groove of the corresponding sliding steel plate 4 through glue, and the other side of each low friction piece 5 is abutted against the inner side surface of the outer barrel 2; at the moment, a certain gap exists between one side, facing the outer side face of the inner barrel 1, of the sliding steel plate 4 and the outer side face of the inner barrel 1, each side plate of the inner barrel 1 is provided with a threaded through hole, and each threaded through hole is provided with a prestressed bolt 3 which is installed in a spiral rotating mode from the inner side face of the inner barrel 1 to the outer side until the prestressed bolt 3 is fixedly connected with the sliding steel plate 4.
Example 7
The low friction member 5 may be mounted on the outer cylinder 2 in addition to the sliding steel plate 4 and the inner cylinder 1.
When low friction spare 5 was installed on urceolus 2, need set up on the medial surface of urceolus 2 and place the recess, the degree of depth of placing the recess is less than the thickness of low friction spare 5, and low friction spare 5 is towards one side joint of urceolus 2 in placing the recess, and when vibrations took place, the relative slip of slip steel sheet 4 and low friction spare 5.
Example 8
The movement mechanism may be provided as a sliding structure or an elastic restoration structure in addition to the sliding structure or the elastic restoration structure.
When the movement mechanism is set to be a sliding structure and an elastic recovery structure, the movement mechanism has four groups, wherein two groups are sliding structures and comprise a sliding steel plate 4 and a low friction piece 5, the other two groups are elastic recovery structures and comprise a laminated rubber support 6, and the sliding structures and the elastic recovery structures are respectively and symmetrically arranged.
Example 9
The invention discloses an anti-swing shock isolation device, which can be arranged as follows: the outer sleeve of the inner cylinder 1 is provided with two sections of outer cylinders 2, the two sections of outer cylinders 2 are sequentially sleeved on the outer side of the inner cylinder 1 from top to bottom along the axis direction of the inner cylinder, a gap is formed between the two sections of outer cylinders 2, the outer cylinder 2 positioned on the lower side is close to the fixing plate 11, a gap is formed between the outer cylinder 2 positioned on the lower side and the fixing plate 11, and the height of the gap satisfies the displacement size of the protected structure in the vertical direction when the vibration occurs. Four groups of movement mechanisms are arranged between each section of the outer cylinder 2 and the inner cylinder 1, each movement mechanism adopts a laminated rubber support 6 and is provided with a corresponding prestressed bolt 3, and the two sections of the outer cylinders 2 are fixedly connected with a protected structure.
The protected structure of this embodiment is exemplified by a house. The four end angle positions of the house are fixedly connected with the outer side surfaces of the two outer cylinders 2 of each group of anti-swing shock insulation devices.
Example 10
A gap may or may not be provided between the two outer cylinders 2.
When a gap is not formed between the two outer cylinders 2, the two outer cylinders 2 form a long outer cylinder, the two outer cylinders 2 are convenient to install, and the two outer cylinders 2 are fixedly connected by a protected structure. Four movement mechanisms are arranged between the two sections of the outer cylinder 2 and the inner cylinder 1, the movement mechanisms are all sliding steel plates 4 and low-friction pieces 5, and corresponding prestressed bolts 3 are arranged in a matched mode.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the claims of the present invention which are filed as the application.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110749599.9A CN113417380B (en) | 2021-07-02 | 2021-07-02 | Anti-swing shock isolation device |
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| CN113417380B true CN113417380B (en) | 2022-04-29 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109750765A (en) * | 2019-02-26 | 2019-05-14 | 北京市建筑设计研究院有限公司 | A kind of tension self-shield laminated rubber damping bearing construction and its construction method |
| WO2020011037A1 (en) * | 2018-07-13 | 2020-01-16 | 陆科 | Friction shock-isolation device opened promptly when being shaken and struck |
| CN112032248A (en) * | 2020-08-04 | 2020-12-04 | 上海大学 | Integral self-attached anti-swing vertical three-dimensional shock isolation system |
| CN112178113A (en) * | 2020-08-25 | 2021-01-05 | 中国电力科学研究院有限公司 | Vertical earthquake isolation system with anti-swing function |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020011037A1 (en) * | 2018-07-13 | 2020-01-16 | 陆科 | Friction shock-isolation device opened promptly when being shaken and struck |
| CN109750765A (en) * | 2019-02-26 | 2019-05-14 | 北京市建筑设计研究院有限公司 | A kind of tension self-shield laminated rubber damping bearing construction and its construction method |
| CN112032248A (en) * | 2020-08-04 | 2020-12-04 | 上海大学 | Integral self-attached anti-swing vertical three-dimensional shock isolation system |
| CN112178113A (en) * | 2020-08-25 | 2021-01-05 | 中国电力科学研究院有限公司 | Vertical earthquake isolation system with anti-swing function |
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