CN112431316B - Universal anti-pulling laminated rubber support - Google Patents

Universal anti-pulling laminated rubber support Download PDF

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Publication number
CN112431316B
CN112431316B CN202011300923.0A CN202011300923A CN112431316B CN 112431316 B CN112431316 B CN 112431316B CN 202011300923 A CN202011300923 A CN 202011300923A CN 112431316 B CN112431316 B CN 112431316B
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universal
universal joint
pulling
sealing piece
upper sealing
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CN112431316A (en
Inventor
刘良坤
胡业荣
荀非凡
马宏伟
郑愚
邸博
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Dongguan University of Technology
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Dongguan University of Technology
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

Abstract

The invention relates to the technical field of seismic isolation bearings, in particular to a universal anti-pulling laminated rubber bearing. The support comprises an upper sealing part, a damping component, a lower sealing part and a plurality of groups of universal connecting components, wherein the upper sealing part, the damping component and the lower sealing part are sequentially stacked from top to bottom; and connecting holes are reserved in the upper sealing piece and the lower sealing piece. The invention reasonably utilizes the universal joint to connect on the basis of the existing horizontal shock insulation rubber support, ensures that each connecting part moves within a certain included angle range, can effectively prevent the support from being damaged by overlarge vertical tensile force of earthquake, and protects the safety of buildings, equipment and the support under the action of the earthquake.

Description

Universal anti-pulling laminated rubber support
Technical Field
The invention relates to the technical field of seismic isolation bearings, in particular to a universal anti-pulling laminated rubber bearing.
Background
Earthquake is one of natural disasters threatening human beings, and the safety of lives and property of the people is seriously threatened. The shock insulation support is arranged between the upper structure and the foundation of the building, so that the self-vibration period of the whole structure system can be prolonged, the damping is increased, and the input of seismic energy to the upper structure is reduced. At present, the development of the seismic isolation support technology is mature and mostly focuses on horizontal seismic isolation, the rubber support formed by alternately laminating multiple layers of steel plates and rubber is widely used, but most of the seismic isolation supports in engineering generally lack a vertical anti-pulling function, and the supports are damaged in earthquakes.
The Chinese patent with publication number CN109853766A discloses a building structure foundation with three-dimensional shock insulation and vibration reduction in 2019, 06, 07, and the shock absorbers have the functions of slowing down and absorbing damping energy for seismic waves in the vertical direction, so that the comprehensive protection function of shock insulation and vibration reduction in the horizontal direction and the vertical direction is achieved. However, this solution is relatively complex in structure, involves many parts, and is not easy to assemble and maintain. In addition, the structure also lacks the vertical anti-pulling function, and is difficult to absorb the pulling force brought by vertical vibration during earthquake.
Disclosure of Invention
The universal anti-pulling laminated rubber support is characterized in that a universal joint is reasonably utilized for connection on the basis of the existing horizontal shock insulation rubber support, so that the connection parts can move within a certain included angle range, the support can be effectively prevented from being damaged by overlarge vertical tensile force of an earthquake, and the safety of buildings, equipment and the support under the action of the earthquake can be protected
In order to solve the technical problems, the invention adopts the technical scheme that:
a universal anti-pulling laminated rubber support comprises an upper sealing part, a damping component, a lower sealing part and a plurality of groups of universal connecting components, wherein the upper sealing part, the damping component and the lower sealing part are sequentially stacked from top to bottom; and connecting holes are reserved in the upper sealing piece and the lower sealing piece.
Wherein, the upper sealing piece is connected with the structure to be damped through the connecting hole, and the lower sealing piece is connected with the foundation. When an earthquake occurs, the support is rocked, the shock absorption assembly horizontally deforms, and the upward transmission of earthquake energy is reduced. When the damping component horizontally deforms, the universal connecting component movably pulls the upper sealing piece and the lower sealing piece, and the support is ensured to be integrally connected and stable.
As one preferable scheme, the universal connection assembly penetrates through the damping assembly and is respectively connected with the upper sealing piece and the lower sealing piece; the damping component is correspondingly provided with a plurality of through holes for placing the universal connecting components. In order to ensure the connection stability as much as possible, all the groups of universal connection assemblies are uniformly arranged. If only one group of universal connecting assemblies is arranged, the universal connecting assemblies are usually arranged in the central through holes of the damping assemblies and are respectively connected with the centers of the upper sealing piece and the lower sealing piece.
As one preferable scheme, the universal connection assembly comprises an anti-pulling pull rod, and a first universal joint and a second universal joint which are respectively connected to two ends of the anti-pulling pull rod, wherein one end of the first universal joint is connected with the anti-pulling pull rod, and the other end of the first universal joint is movably connected with the upper sealing piece; one end of the second universal joint is connected with the anti-pulling pull rod, and the other end of the second universal joint is detachably connected with the lower sealing piece. Wherein, first universal joint, resistance to plucking pull rod, second universal joint from top to bottom connect gradually, and simultaneously, first universal joint, second universal joint still connect respectively and seal up, down seal, utilize the flexibility of universal joint, adapt to the deformation state of support under vibrations, effectively prevent that the too big vertical pulling force of earthquake from destroying support itself, protect the safety of building or equipment and support itself under the earthquake action.
As one preferable scheme, the connection modes of the anti-pulling pull rod, the first universal joint and the second universal joint are hinged. The anti-pulling pull rod is hinged with the two universal joints, so that the flexibility of the universal connecting assembly is further improved.
As one preferable scheme, one end of the first gimbal, which is connected with the upper sealing piece, is a T-bar, a clamping groove is correspondingly arranged at a connection position of the upper sealing piece and the first gimbal, and the T-bar is movably clamped in the clamping groove. The T-bar is movably clamped in the clamping groove, so that the T-bar is prevented from falling off on the one hand, and on the other hand, the first universal joint is ensured to be effectively connected with the upper sealing piece.
As one of the preferable schemes, the universal connection assembly further comprises a spring, and the spring is sleeved on the T rod and clamped in the clamping groove along with the T rod. The spring is as an auxiliary reset piece, and when the T pole pulled down, the T pole formed the compression to the spring with the draw-in groove, and at this moment, the spring resets according to its elasticity resilience ability, and its vertical deformation is restricted in the connection of reinforcing universal connection subassembly, plays the resistance to plucking effect.
As one of the preferred scheme, the lower sealing part is provided with a boss corresponding to the connection position of the second universal joint, the boss is provided with a thread structure, and the second universal joint is in threaded connection with the boss. Generally, the one end that second universal joint and lower sealing member are connected is the threaded rod, and the boss corresponds and is equipped with the screw hole, and connecting thread connects and fixes.
As one preferable scheme, the damping component comprises a plurality of rubber layers and a plurality of steel plate layers, and the rubber layers and the steel plate layers are arranged at intervals and are connected in a vulcanization mode. The vulcanization connection is usually realized by a rubber material connection mode, so that the rubber layer and the steel plate layer are alternately vulcanized and bonded, and the stability is better.
As a preferable scheme, the upper sealing piece and the lower sealing piece are both cylindrical plate bodies. The support is of a cylindrical structure as a whole.
As one preferable scheme, the connecting holes are uniformly and symmetrically distributed around the circumferential direction. The connecting hole is mainly used for connecting an external structure or equipment, generally adopts components such as bolts and the like for detachable connection, and is convenient to assemble.
Compared with the prior art, the invention has the beneficial effects that: the invention discloses a universal anti-pulling laminated rubber support which is simple in structure and convenient to install, universal joint parts are added for matching use on the basis of keeping good shock insulation performance of the existing laminated rubber support, seismic energy is reduced to be transmitted to an upper structure during an earthquake, the universal anti-pulling laminated rubber support has good anti-pulling capacity, and can effectively bear vertical force generated by the earthquake and prevent the support from being damaged.
Drawings
FIG. 1 is a half sectional view showing the whole structure of embodiment 1.
Fig. 2 is a sectional view a-a.
Fig. 3 is a sectional view B-B.
Fig. 4 is a partial enlarged view at C.
Fig. 5 is a partial enlarged view at D.
The damping device comprises an upper sealing piece 1, a damping component 2, a lower sealing piece 3, a universal connecting component 4, connecting holes 5, a clamping groove 11, a through hole 21, a rubber layer 22, a steel plate layer 23, a boss 31, an anti-pulling pull rod 41, a first universal joint 42, a second universal joint 43, a spring 44 and a 421T rod.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1
As shown in fig. 1-3, this embodiment provides a universal resistance to plucking stromatolite rubber bearing, including sealing 1 on, damper 2, sealing 3 down and a set of universal coupling assembling 4, sealing 1 on, sealing 3 is cylindrical plate body down, and sealing 1 on, sealing 3 all reserves connecting hole 5 down, connecting hole 5 winds the even symmetric distribution of circumferencial direction, connecting hole 5 mainly used connects external structure or equipment or uses with other shock insulation support combinations, generally adopt parts such as bolt to do can dismantle the connection, the equipment is convenient.
Wherein, seal 1, damper 2, seal 3 down and stack the setting from top to bottom in proper order on, seal 1 and seal 3 down on 4 both ends of universal coupling assembling respectively, and universal coupling assembling 4 and damper 2 mutually noninterfere.
Specifically, the damping component 2 center is equipped with the through-hole 21 that is used for keeping away empty universal joint assembly 4, and universal joint assembly 4 runs through damping component 2 in locating damping component 2's central through-hole 21, connects the center of upper seal 1 and seals 3 centers down respectively. The damping component 2 comprises a plurality of rubber layers 22 and a plurality of steel plate layers 23, and the rubber layers 22 and the steel plate layers 23 are arranged at intervals and are connected in a vulcanization mode.
Specifically, as shown in fig. 1, the gimbal assembly 4 includes an anti-pulling rod 41, and a first gimbal 42 and a second gimbal 43 respectively connected to two ends of the anti-pulling rod 41, and the connection modes of the anti-pulling rod 41, the first gimbal 42, and the second gimbal 43 are all hinged, so as to further improve the flexibility of the gimbal assembly 4.
Wherein, one end of the first universal joint 42 is hinged with the pulling-resistant rod 41, and the other end is movably connected with the upper sealing member 1. Specifically, one end of the first gimbal 42 connected with the upper seal member 1 is a T-bar 421, a connecting position of the upper seal member 1 and the first gimbal 42 is correspondingly provided with a slot 11, and the T-bar 421 is movably clamped in the slot 11.
In this embodiment, the universal connection assembly 4 further includes a spring 44, and the spring 44 is sleeved on the T-bar 421 and is clamped in the clamping groove 11 along with the T-bar 421. The spring 44 is used as an auxiliary reset piece, when the T-bar 421 is pulled downwards, the T-bar 421 and the clamping groove 11 compress the spring 44, and at this time, the spring 44 resets according to the elastic recovery capability thereof, so that the connection of the universal connection assembly 4 is enhanced, the vertical deformation of the universal connection assembly is limited, and the anti-pulling effect is achieved, as shown in fig. 4.
For convenience of installation, the end of the upper seal 1, which is away from the universal joint, at the position of the slot 11 is detachably connected with a sealing plate, the sealing plate is connected with the upper seal 1 through a bolt, the T rod 421 and the spring 44 are installed in the slot 11, and then the sealing plate is locked to lock the T rod 421 and the spring 44, as shown in fig. 4.
In addition, one end of the second universal joint 43 is hinged with the pulling-resistant rod 41, and the other end is detachably connected with the lower sealing piece 3. In this embodiment, the lower seal 3 is provided with a boss 31 corresponding to the connection position of the second universal joint 43, the boss 31 is provided with a threaded structure, the second universal joint 43 is in threaded connection with the boss 31, specifically, one end of the second universal joint 43 connected with the lower seal 3 is a threaded rod, the boss 31 is provided with a threaded hole corresponding thereto, and the connection threaded connection is fixed, as shown in fig. 5.
The working principle of the embodiment is as follows: the upper sealing piece 1 is connected with the structure to be isolated from the vibration by using the connecting hole 5, and the lower sealing piece 3 is connected with the foundation to be used.
When an earthquake occurs, the upper part to-be-isolated structure drives the shock absorption component 2 formed by vulcanizing the rubber layer 22 and the steel plate layer 23 to horizontally deform, and the upward transmission of earthquake energy is reduced. The mutual matching of the pulling-resistant pull rod 41, the first universal joint 42 and the second universal joint 43 enables the structure from the downward extending part of the upper sealing part 1 to the lower sealing part 3 to swing along with the support in any horizontal direction. When the support deforms horizontally, the T rod 421 of the first universal joint 42 slides in the slot 11 of the upper seal member 1, and the spring 44 on the T rod 421 is in a compressed state, so that the horizontal movement of the support is not limited, that is, the horizontal shock isolation performance is not affected. When the structure has a large overturning moment, the support is under the vertical tension of the upper structure, and the first universal joint 42, the spring 44, the anti-pulling pull rod 41, the second universal joint 43 and the high-strength bolt are matched with each other to bear the vertical tension together, so that the support is prevented from being damaged.
This embodiment is through first universal joint 42, resistance to plucking pull rod 41, second universal joint 43 connects gradually from top to bottom, and simultaneously, first universal joint 42, second universal joint 43 still connect respectively and seal 1, seal 3 down, the function of universal joint is similar to human joint, it allows each connecting element to change at certain contained angle within range, utilize the flexibility of universal joint, adapt to the deformation state of support under vibrations, effectively prevent that the too big vertical pulling force of earthquake from destroying support itself, the safety of building or equipment and support itself under the protection earthquake effect.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (6)

1. The utility model provides a universal resistance to plucking stromatolite rubber support which characterized in that: the damping device comprises an upper sealing part (1), a damping component (2), a lower sealing part (3) and a plurality of groups of universal connecting assemblies (4), wherein the upper sealing part (1), the damping component (2) and the lower sealing part (3) are sequentially stacked from top to bottom, two ends of each universal connecting assembly (4) are respectively connected with the upper sealing part (1) and the lower sealing part (3), and the universal connecting assemblies (4) and the damping component (2) are not interfered with each other; connecting holes (5) are reserved in the upper sealing piece (1) and the lower sealing piece (3);
the universal connecting assembly (4) comprises an anti-pulling pull rod (41) and a first universal joint (42) and a second universal joint (43) which are connected to the two ends of the anti-pulling pull rod (41) respectively, one end of the first universal joint (42) is connected with the anti-pulling pull rod (41), and the other end of the first universal joint (42) is movably connected with the upper sealing piece (1); one end of the second universal joint (43) is connected with the anti-pulling pull rod (41), and the other end of the second universal joint is detachably connected with the lower sealing piece (3);
the anti-pulling pull rod (41) is hinged with the first universal joint (42) and the second universal joint (43);
one end of the first universal joint (42) connected with the upper sealing piece (1) is a T-shaped rod (421), a clamping groove (11) is correspondingly arranged at the connecting position of the upper sealing piece (1) and the first universal joint (42), and the T-shaped rod (421) is movably clamped in the clamping groove (11);
universal connection subassembly (4) still include spring (44), spring (44) cup joint in T pole (421) to along with T pole (421) joint in draw-in groove (11).
2. The universal anti-pulling laminated rubber bearing according to claim 1, wherein: the universal connecting assembly (4) penetrates through the damping assembly (2) and is respectively connected with the upper sealing piece (1) and the lower sealing piece (3); damping component (2) correspond and are equipped with through-hole (21) that a plurality of is used for placing universal joint subassembly (4).
3. The universal anti-pulling laminated rubber bearing as set forth in claim 2, wherein: the lower sealing piece (3) is provided with a boss (31) corresponding to the connecting position of the second universal joint (43), the boss (31) is provided with a thread structure, and the second universal joint (43) is in threaded connection with the boss (31).
4. The universal anti-pulling laminated rubber bearing according to claim 1, wherein: the damping component (2) comprises a plurality of rubber layers (22) and a plurality of steel plate layers (23), wherein the rubber layers (22) and the steel plate layers (23) are arranged at intervals and are connected in a vulcanization mode.
5. The universal anti-pulling laminated rubber bearing according to claim 1, wherein: the upper sealing piece (1) and the lower sealing piece (3) are cylindrical plate bodies.
6. The universal anti-pulling laminated rubber bearing according to claim 5, wherein: the connecting holes (5) are uniformly and symmetrically distributed around the circumferential direction.
CN202011300923.0A 2020-11-19 2020-11-19 Universal anti-pulling laminated rubber support Active CN112431316B (en)

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Publication number Priority date Publication date Assignee Title
CN115405008B (en) * 2022-09-16 2024-02-13 郭微 Swing and sliding composite support in integrated structure

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CN211200786U (en) * 2019-11-25 2020-08-07 华北理工大学 Shock insulation support with normal damping characteristic and tensile function

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Publication number Priority date Publication date Assignee Title
JPH09195572A (en) * 1996-01-19 1997-07-29 Fujikura Ltd Vibration isolation device
CN104389350A (en) * 2014-11-13 2015-03-04 东南大学 Universal hinge tensile vibration isolation support
CN205775821U (en) * 2016-06-29 2016-12-07 河海大学 A kind of limit-type rubber earthquake isolation support
CN207228345U (en) * 2017-09-30 2018-04-13 成都市宏途路桥机械有限公司 Rubber earthquake isolation support rubber compression spring assembly
CN207227944U (en) * 2017-09-30 2018-04-13 成都市宏途路桥机械有限公司 A kind of elasticity tensile laminate rubber shock-insulation bracket
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CN211200786U (en) * 2019-11-25 2020-08-07 华北理工大学 Shock insulation support with normal damping characteristic and tensile function

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