Shock insulation rubber support with externally-wrapped fireproof cover plate

Abstract

The utility model relates to the technical field of shock insulation rubber supports, and discloses a shock insulation rubber support with an external fireproof cover plate, which comprises a fireproof device and an upper column, the surface of the bottom end of the upper column is in threaded connection with a connecting metal plate, and the surface of the bottom end of the connecting metal plate is provided with a shock insulation rubber support body. A lower buttress is installed on the surface of the bottom end of the fireproof device, and the fireproof device is installed at the lower end of the upper column. According to the shock insulation rubber support with the externally-wrapped fireproof cover plate, the connecting assembly, the telescopic connecting column and the first fireproof cover plate are arranged, and the first fireproof cover plate is installed between the connecting assembly and the telescopic connecting column, so that the fireproof cover plate is more convenient to disassemble, and meanwhile, the first fireproof cover plate can be prevented from being damaged; when the device is used, a large amount of time is not needed to replace the first fireproof cover plate, the spiral spring starts to rebound, the spiral spring adjusts the position of the connecting piece on the telescopic rod, different types of second fireproof cover plates can be conveniently used, and therefore the service time of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of seismic isolation rubber bearings, in particular to a seismic isolation rubber bearing with an external fireproof cover plate. Background Art

[0002] Seismic isolation rubber bearings are a laminated structure of rubber and steel plates used for seismic isolation of buildings and bridges. Its vibration isolation performance mainly depends on the damping mechanical properties of the vibration isolation device.

[0003] The prior art discloses an application number: CN201721486068.0, which discloses a seismic isolation rubber bearing node structure with an external fireproof cover plate, including an upper pier and a lower pier or a lower pillar, wherein the lower pier or the lower pillar is connected to the lower end surface of the upper pier via a seismic isolation rubber bearing arranged on its upper end surface, and a fire barrier strip fixedly connected to the upper pier at the upper end is arranged between the upper pier and the lower pier or the lower pillar and on the outer side of the seismic isolation rubber bearing, and the lower end of the fire barrier strip is freely in contact with the lower pier or the lower pillar, and an external fireproof cover plate located on the outer side of the fire barrier strip is arranged on the outer periphery of the upper pier and the lower pier or the lower pillar. This node structure is not only simple in structure, but also solves the problem that the fire protection of the seismic isolation bearing cannot meet the fire protection requirements.

[0004] The fireproof cover plate and the pier are threadedly connected by expansion anchor bolts, but the fireproof cover plate has only a single connection point, resulting in a suspended state between the two fireproof cover plates, making the fireproof cover plate in the middle position easily damaged, and requiring a lot of time to replace the fireproof cover plate. Utility Model Content

[0005] The utility model aims to provide a seismic isolation rubber bearing with an outer fireproof cover plate to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seismic isolation rubber bearing with an external fireproof cover, comprising a fireproof device and an upper column, the bottom end surface of the upper column is threadedly connected with a connecting metal plate, the bottom end surface of the connecting metal plate is installed with a seismic isolation rubber bearing body, the bottom end surface of the fireproof device is installed with a lower pier, and the fireproof device is installed at the lower end of the upper column.

[0007] The fire protection device includes a telescopic connecting column, a connecting assembly, a limiting threaded rod and a second fire protection cover plate. The limiting threaded rod is located at the upper end of the fire protection device, the limiting threaded rod is installed on the upper end of the telescopic connecting column, the connecting assembly is installed at the middle position of the telescopic connecting column, and the second fire protection cover plate is installed on the upper end of the telescopic connecting column.

[0008] Preferably, the connecting assembly includes a connecting plate, a coil spring, a connecting piece, a fireproof cover plate 1, a fireproof pad, a connecting plug block and a telescopic rod, the connecting plug block is located at the upper end of the connecting assembly, the connecting plug block is installed on the surface of the fireproof pad block, the connecting plug block is inserted into the upper end of the fireproof cover plate 1, the fireproof cover plate 1 is threadedly connected to the outward end of the connecting piece, the connecting piece is movably connected to the upper end of the telescopic rod, the telescopic rod is threadedly connected to the middle position of the connecting plate, and the coil spring is fixedly connected to the bottom end surface of the connecting piece.

[0009] Preferably, the telescopic rod is movably connected to the top end surface of the lower pier, and the telescopic rod is movably connected to the bottom end surface of the upper column. There are four telescopic rods, and the four telescopic rods can maintain the balance of the upper column and the lower pier. At the same time, shock absorption operations can be performed between the four telescopic rods and the seismic isolation rubber bearing body.

[0010] Preferably, the number of the connecting parts is eight, four of the connecting parts form a group, the two groups of the connecting parts move up and down, the four connecting parts on the same side are distributed in a rectangular shape, the upper connecting part is movably connected to the bottom surface of the upper column, and the lower connecting part is movably connected to the top surface of the lower pier, and the two groups of connecting parts can threadably connect the eight fireproof cover plates, making it convenient to replace fireproof cover plates of different specifications.

[0011] Preferably, the connecting blocks are divided into four groups, and the number of connecting blocks in one group is three. Two fireproof cover plates are interspersed between the three connecting blocks. The three connecting blocks and the two fireproof cover plates can be plugged in and fixed, and fire prevention operations can be performed to protect the safety of the seismic isolation rubber bearing body and the connecting metal plate.

[0012] Preferably, the telescopic connecting column is installed on the bottom surface of the upper column, and the telescopic connecting column is installed on the top surface of the lower pier. The upper and lower ends of the telescopic connecting column are installed with fireproof cover plates 2, and the fireproof cover plates 2 are divided into two groups. The two groups of fireproof cover plates 2 are distributed up and down. The upper fireproof cover plate 2 is movably connected to the bottom surface of the upper column, and the lower fireproof cover plate 2 is movably connected to the top surface of the lower pier, thereby protecting the safety of the seismic isolation rubber bearing body and the connecting metal plate.

[0013] Preferably, the number of the fireproof cover plates 2 is eight, four of the fireproof cover plates 2 form a group, two groups of the fireproof cover plates 2 are distributed up and down, and four of the fireproof cover plates 2 on the same side are distributed in a rectangular shape.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The seismic isolation rubber bearing with an outer fireproof cover is provided with a connecting component, a telescopic connecting column and a fireproof cover. The fireproof cover is installed between the connecting component and the telescopic connecting column. It is more convenient to disassemble the fireproof cover and damage to the fireproof cover can be avoided. There is no need to spend a lot of time to replace the fireproof cover.

[0016] 2. The seismic isolation rubber bearing with an outer fireproof cover is provided with a connecting piece, a coil spring and a telescopic rod. When the coil spring starts to rebound, the coil spring can push the connecting piece to slide up and down on the surface of the telescopic rod, thereby adjusting the position of the connecting piece and facilitating the use of different types of fireproof covers, thereby increasing the use time of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of the upper column, lower pier and seismic isolation rubber bearing body of the utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the fire protection device and the lower pier of the utility model;

[0020] Figure 4 For this utility model Figure 3 A local enlarged schematic diagram of the structure at point A;

[0021] Figure 5 It is a three-dimensional schematic diagram of the fire protection device of the utility model;

[0022] Figure 6 For this utility model Figure 5 A partial enlarged schematic diagram of the structure at B in the middle;

[0023] Figure 7 The utility model is a three-dimensional schematic diagram of a fireproof cover plate, a fireproof pad and a connecting plug block.

[0024] In the figure: 1. fire protection device; 11. telescopic connecting column; 12. connecting assembly; 121. connecting plate; 122. spiral spring; 123. connecting piece; 124. fire protection cover plate 1; 125. fire protection pad; 126. connecting plug block; 127. telescopic rod; 13. limiting threaded rod; 14. fire protection cover plate 2; 2. upper column; 3. lower pier; 4. seismic isolation rubber bearing body; 5. connecting metal plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-7 , the utility model provides the following technical solutions:

[0027] A seismic isolation rubber bearing with an outer fireproof cover plate comprises a fireproof device 1 and an upper column 2, the bottom end surface of the upper column 2 is threadedly connected with a connecting metal plate 5, the bottom end surface of the connecting metal plate 5 is installed with a seismic isolation rubber bearing body 4, the bottom end surface of the fireproof device 1 is installed with a lower pier 3, and the fireproof device 1 is installed at the lower end of the upper column 2.

[0028] The fire protection device 1 includes a telescopic connection column 11, a connection assembly 12, a limit threaded rod 13 and a fire protection cover plate 14. The limit threaded rod 13 is located at the upper end of the fire protection device 1, the limit threaded rod 13 is installed on the upper end of the telescopic connection column 11, the connection assembly 12 is installed at the middle position of the telescopic connection column 11, the telescopic connection column 11 is installed on the bottom end surface of the upper column 2, the telescopic connection column 11 is installed on the top end surface of the lower pier 3, and the upper and lower ends of the telescopic connection column 11 are installed with a fire protection cover plate 14, and the fire protection cover plate 14 is divided into There are two groups of fireproof cover plates 14, which are distributed up and down. The upper fireproof cover plate 14 is movably connected to the bottom surface of the upper column 2, and the lower fireproof cover plate 14 is movably connected to the top surface of the lower pier 3, so as to protect the safety of the seismic isolation rubber bearing body 4 and the connecting metal plate 5. The fireproof cover plates 14 are installed at the upper end of the telescopic connecting column 11. There are eight fireproof cover plates 14, and four fireproof cover plates 14 form a group. The two groups of fireproof cover plates 14 are distributed up and down, and the four fireproof cover plates 14 on the same side are distributed in a rectangular shape.

[0029] The connecting assembly 12 includes a connecting plate 121, a coil spring 122, a connecting piece 123, a fireproof cover plate 124, a fireproof pad 125, a connecting plug 126 and a telescopic rod 127. The connecting plug 126 is located at the upper end of the connecting assembly 12. The connecting plug 126 is installed on the surface of the fireproof pad 125. The connecting plug 126 is plugged into the upper end of the fireproof cover plate 124. The connecting plug 126 is divided into four groups. The number of connecting plugs 126 in one group is three. Two fireproof covers 124 are inserted between the three connecting plugs 126. The three connecting plugs 126 and the two fireproof covers 124 can be plugged and fixed, and fire prevention operations can be performed to protect the safety of the seismic isolation rubber bearing body 4 and the connecting metal plate 5. The fireproof cover plate 124 is threadedly connected to the outward end of the connecting piece 123. The connecting piece 123 is movably connected to the upper end of the telescopic rod 127. The telescopic rod 127 is movably connected On the top surface of the lower pier 3, the telescopic rod 127 is movably connected to the bottom surface of the upper column 2. There are four telescopic rods 127. The four telescopic rods 127 can maintain the balance of the upper column 2 and the lower pier 3. At the same time, shock absorption operation can be performed between the four telescopic rods 127 and the seismic isolation rubber bearing body 4. The telescopic rod 127 is threadedly connected to the middle position of the connecting plate 121, and the coil spring 122 is fixedly connected to the bottom surface of the connecting piece 123. There are eight connecting pieces 123, and four connecting pieces 123 form a group. The two groups of connecting pieces 123 move up and down, and the four connecting pieces 123 on the same side are distributed in a rectangular shape. The upper connecting piece 123 is movably connected to the bottom surface of the upper column 2, and the lower connecting piece 123 is movably connected to the top surface of the lower pier 3. The two groups of connecting pieces 123 can threadably connect eight fireproof cover plates 124, which is convenient for replacing fireproof cover plates 124 of different specifications.

[0030] When in use, the connecting piece 123 is pushed and inserted between the upper column 2 and the lower pier 3, and the connecting piece 123 pushes the telescopic rod 127 to be inserted between the upper column 2 and the lower pier 3, so that the telescopic rod 127 drives the connecting plate 121 to slide on the bottom surface of the upper column 2 and the top surface of the lower pier 3.

[0031] The upper column 2 and the lower pier 3 can move the two connecting parts 123 toward each other, and the connecting parts 123 slide on the bottom surface of the upper column 2 and the top surface of the lower pier 3. At the same time, the two connecting parts 123 slide on the surface of the telescopic rod 127, so that the connecting parts 123 can start to compress the coil spring 122.

[0032] The connecting member 123 is pushed to move in sequence, so that the four telescopic rods 127 are inserted between the upper column 2 and the seismic isolation rubber bearing body 4, so that the position of the connecting member 123 can be determined.

[0033] Push the fireproof cover plate 124 inward to move it so that the outer ends of the fireproof cover plate 124 and the connecting piece 123 are plugged and fixed, and then turn the hexagonal nut, which rotates on the threaded end surface of the connecting piece 123, so that the fireproof cover plate 124 and the connecting piece 123 can be threadedly fixed.

[0034] Then, the two groups of fireproof cover plates 124 and the connecting piece 123 are threadedly connected, so that the position of the connecting piece 123 can be preliminarily determined.

[0035] Push the fireproof cover plate 2 14 to be inserted between the upper column 2 and the lower pier 3, and then turn the bolts. The bolts can thread the upper fireproof cover plate 2 14 and the bottom surface of the upper column 2, and at the same time, can thread the lower fireproof cover plate 2 14 and the top surface of the lower pier 3, so that the positions of the fireproof cover plate 2 14 and the fireproof cover plate 1 124 can be preliminarily determined.

[0036] Push the telescopic connecting column 11 to be inserted between the upper column 2 and the lower pier 3, so that the surface of the telescopic connecting column 11 is at the same level as the surface of the upper column 2 and the lower pier 3.

[0037] Push the limiting threaded rod 13 to be inserted into the upper and lower ends of the second fireproof cover plate 14, and then rotate the hexagonal nut, which can limit and fix the distance between the four telescopic connecting columns 11 so as to determine the position of the telescopic connecting column 11.

[0038] When the telescopic connecting column 11 is inserted between the upper column 2 and the lower pier 3, the telescopic connecting column 11 can be connected to the surface of the fireproof cover plate 2 14 and the fireproof cover plate 1 124, so that the position of the telescopic connecting column 11 can be determined.

[0039] Push the two connecting blocks 126 toward each other to allow the two connecting blocks 126 to compress the fireproof pad 125 , and place the compressed connecting blocks 126 and the fireproof pad 125 between the fireproof cover plate 2 14 and the fireproof cover plate 1 124 .

[0040] Loosen the connecting plug 126, so that the fireproof pad 125 starts to rebound. The fireproof pad 125 can push the connecting plug 126 to move upward, allowing the connecting plug 126 to be inserted between the fireproof cover plate 2 14 and the fireproof cover plate 1 124, thereby achieving temporary compression, thereby protecting the seismic isolation rubber bearing body 4 and the connecting metal plate 5.

[0041] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seismic isolation rubber bearing with an outer fireproof cover, comprising a fireproof device (1) and an upper column (2), characterized in that: The bottom surface of the upper column (2) is threadedly connected with a connecting metal plate (5), the bottom surface of the connecting metal plate (5) is installed with a seismic isolation rubber bearing body (4), the bottom surface of the fire protection device (1) is installed with a lower pier (3), and the fire protection device (1) is installed at the lower end of the upper column (2); The fire protection device (1) comprises a telescopic connecting column (11), a connecting assembly (12), a limiting threaded rod (13) and a second fire protection cover plate (14); the limiting threaded rod (13) is located at the upper end of the fire protection device (1); the limiting threaded rod (13) is mounted on the upper end of the telescopic connecting column (11); the connecting assembly (12) is mounted at the middle position of the telescopic connecting column (11); and the second fire protection cover plate (14) is mounted on the upper end of the telescopic connecting column (11).

2. The seismic isolation rubber bearing with an outer fireproof cover plate according to claim 1, characterized in that: The connection assembly (12) comprises a connection plate (121), a coil spring (122), a connection piece (123), a fireproof cover plate (124), a fireproof cushion block (125), a connection plug block (126) and a telescopic rod (127), wherein the connection plug block (126) is located at the upper end of the connection assembly (12), the connection plug block (126) is installed on the surface of the fireproof cushion block (125), the connection plug block (126) is inserted into the upper end of the fireproof cover plate (124), the fireproof cover plate (124) is threadedly connected to the outward end of the connection piece (123), the connection piece (123) is movably connected to the upper end of the telescopic rod (127), the telescopic rod (127) is threadedly connected to the middle position of the connection plate (121), and the coil spring (122) is fixedly connected to the bottom end surface of the connection piece (123).

3. The seismic isolation rubber bearing with an outer fireproof cover plate according to claim 2, characterized in that: The telescopic rod (127) is movably connected to the top end surface of the lower pier (3), and the telescopic rod (127) is movably connected to the bottom end surface of the upper column (2).

4. The seismic isolation rubber bearing with an outer fireproof cover plate according to claim 3 is characterized in that: The number of the connecting members (123) is eight, four connecting members (123) form a group, two groups of connecting members (123) move up and down, and four connecting members (123) on the same side are distributed in a rectangular shape.

5. The seismic isolation rubber bearing with an outer fireproof cover plate according to claim 4, characterized in that: The connecting plug blocks (126) are divided into four groups, and the number of the connecting plug blocks (126) in one group is three.

6. The seismic isolation rubber bearing with an outer fireproof cover plate according to claim 5, characterized in that: The telescopic connection column (11) is installed on the bottom surface of the upper column (2), and the telescopic connection column (11) is installed on the top surface of the lower pier (3).

7. The seismic isolation rubber bearing with an outer fireproof cover plate according to claim 6, characterized in that: The number of the fireproof cover plates 2 (14) is eight, four of the fireproof cover plates 2 (14) form a group, two groups of the fireproof cover plates 2 (14) are distributed up and down, and four of the fireproof cover plates 2 (14) on the same side are distributed in a rectangular shape.

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