CN210857585U

CN210857585U - Blocking type grinding shock isolation device

Info

Publication number: CN210857585U
Application number: CN201921311258.8U
Authority: CN
Inventors: 蒋亚琼; 吴韬; 何小雨; 易苗苗; 李海霞; 汪君茂; 吴婧; 崔挺巡; 李炎; 张承; 胡鑫民; 张�浩
Original assignee: Anhui Xinhua University
Current assignee: Anhui Xinhua University
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-06-26
Anticipated expiration: 2029-08-13

Abstract

The utility model provides a block formula shock isolation device that mills, including lower buttress, the roof, block unit and a plurality of locating part, lower buttress top surface is equipped with the recess, the roof is located lower buttress top, block the unit setting under between buttress and the roof, block the unit and include a plurality of first bearings spare and a plurality of second bearing spare, a plurality of first bearings spare tops and roof fixed connection and a plurality of first bearings spare bottom stretch into in the recess and with lower buttress sliding connection, a plurality of second bearings spare evenly set up in a plurality of first bearings spare outsides, a plurality of second bearing spare both ends and roof, the equal fixed connection of lower buttress, a plurality of locating parts set up in the recess and with lower buttress fixed connection, a plurality of locating parts set up between a plurality of first bearings spare and be the annular distribution. The utility model has the advantages of the shock attenuation is obvious, the simple structure, economical and practical, construction are simple and convenient, when having solved current shock insulation technology and being applied to building structure problem with high costs, that the design is complicated and the construction degree of difficulty is big.

Description

Blocking type grinding shock isolation device

Technical Field

The utility model relates to a building shock insulation technical field especially relates to a block formula shock isolation device of milling.

Background

The seismic isolation technology is one of the most effective measures for reducing the earthquake hazard of the structure, and the basic idea is to arrange a flexible seismic isolation layer with enough reliability between a foundation and an upper structure so as to prolong the natural vibration period of the structure and increase damping to reduce the transmission of earthquake energy to the upper structure.

In actual earthquake, the damage condition of the buildings in villages and small towns is often the most serious, the threat to life and property safety is also the greatest, a frame structure is one of the main structural forms of the buildings in villages and small towns, the foundation usually adopts an independent foundation, and the foundation shock insulation technology suitable for the frame structure is proposed in the current building earthquake-resistant standard and mainly adopts a rubber shock insulation support.

Disclosure of Invention

Based on the technical problem who exists among the background art, the utility model provides a block formula shock isolation device that mills.

The utility model provides a block formula seismic isolation device that mills, including lower buttress, the roof, block unit and a plurality of locating part, lower buttress top surface is equipped with the recess, the roof is located lower buttress top, block the unit setting under between buttress and roof, block the unit and include a plurality of first bearings spare and a plurality of second bearing spare, a plurality of first bearings spare tops and roof fixed connection and a plurality of first bearings spare bottom stretch into in the recess and with lower buttress sliding connection, a plurality of second bearings spare evenly set up in a plurality of first bearings spare outsides, a plurality of second bearing spare both ends and roof, the equal fixed connection of lower buttress, a plurality of locating parts set up in the recess and with lower buttress fixed connection, a plurality of locating parts set up between a plurality of first bearings spare and be the annular distribution.

Preferably, block the unit and still include a plurality of hollow building blocks, a plurality of hollow building blocks set up under between buttress and the roof and in a plurality of hollow building block bottoms all stretched into the recess, hollow building block all was equipped with the through-hole, and a plurality of first bearings adopt the concrete casting shaping in the through-hole of the hollow building block at the middle part respectively, and a plurality of second bearings adopt the concrete casting shaping in the through-hole of the hollow building block that is in the outside respectively.

Preferably, the first support is of a truncated pyramid configuration and the second support is of a prismatic configuration.

Preferably, the second supporting member is fixedly connected with the lower buttress and the top plate by using an anchoring steel bar.

Preferably, the limiting piece is a steel plate, the steel plate is embedded in the lower buttress, and the extending height of the limiting piece is 1/4-1/3 of the height of the first supporting piece.

Preferably, fine sand or a plastic film is laid between the bottom end of the hollow block where the first support part is located and the lower pier.

Preferably, the depth of the groove is no less than 1/4 the height of the lower buttress.

The utility model provides a blocking type grinding shock isolation device, a weaker blocking unit is arranged on a lower buttress to protect an upper main body structure, when a small earthquake occurs, a plurality of first supporting pieces and a plurality of second supporting pieces of the blocking unit have reliable bearing capacity, and the small earthquake is realized; when a moderate earthquake occurs, the blocking unit conducts reciprocating translation in the groove through the first supporting piece, so that grinding energy consumption is realized, energy uploading is blocked, and moderate earthquake sliding is realized; when a strong earthquake occurs, the first supporting piece slips and consumes energy, and when the sliding distance of the first supporting piece exceeds the limit, the first supporting piece is broken under the action of the limiting piece due to the structure that the lower part of the first supporting piece is thin and the upper part of the first supporting piece is thick, so that the earthquake energy is reduced and is transmitted to the upper part, and the big earthquake and the small earthquake are realized; when a super-strong earthquake occurs, the upper top plate has in-plane infinite rigidity, out-plane reliable bearing capacity and anti-overturning capacity, and the grooves in the tops of the lower piers can accumulate enough fragments to realize a shock insulation layer effect, so that the top plate is prevented from being in hard contact with the lower piers, and the super-strong earthquake cannot be realized.

The utility model has the advantages of the shock attenuation is obvious, the structure is simple, economical and practical, the construction is simple and convenient, set up weak unit that blocks on buttress under the basic site, in order to realize when reducing the total seismic energy of input superstructure based on the shock insulation technique that slides on the basis, full play blocks the power consumption effect of unit and the effect of milling further dissipation seismic energy, and effective separation seismic energy upwards transmits, and then protection superstructure, it is with high costs when having solved current shock insulation technique and being applied to building structure, the design is complicated and the construction degree of difficulty is big problem, the problem that current rubber shock insulation technique energy consumption ability beyond the seat is not enough simply still has been overcome simultaneously.

Drawings

Fig. 1 is a schematic structural view of a blocking type grinding and shock isolating device provided by the present invention;

fig. 2 is a schematic structural view of a lower buttress in the blocking type grinding and shock isolating device provided by the utility model;

fig. 3 is a top view of a lower buttress in the blocking type grinding and shock isolating device provided by the present invention;

fig. 4 is the utility model provides a block the structural schematic diagram of unit in blocking formula shock isolation device that mills.

Detailed Description

Referring to fig. 1-4, the utility model provides a block formula shock isolation device of milling, including lower buttress 1, roof 2, block unit and a plurality of locating part 3, wherein:

the top surface of the lower buttress 1 is provided with a groove 4, and the top plate 2 is positioned above the lower buttress 1. Block the unit setting between buttress 1 and roof 2 down, block the unit and include a plurality of first supports 5 and a plurality of second support 6, first support 5 is chamfered table shape structure, second support 6 is prismatic structure, 5 tops of a plurality of first supports and 2 fixed connection of roof and 5 bottoms of a plurality of first supports stretch into in recess 4 and with buttress 1 sliding connection down, a plurality of second supports 6 evenly set up in a plurality of first supports 5 outsidely, a plurality of second supports 6 adopt anchor reinforcing bar 8 and lower buttress 1, roof 2 fixed connection. A plurality of locating parts 3 set up in recess 4 and with buttress 1 fixed connection down, a plurality of locating parts 3 set up between a plurality of first bearings 5 and be annular distribution.

The lower buttress 1 of the utility model is provided with a weaker blocking unit to protect the upper main structure, and when a small earthquake occurs, the blocking unit has reliable bearing capacity, so that the small earthquake is avoided; when a moderate earthquake occurs, the blocking unit conducts reciprocating translation in the groove 4 through the first supporting piece 5, so that grinding energy consumption is achieved, energy uploading is blocked, and moderate earthquake sliding is achieved; when a strong earthquake occurs, the first support piece 5 slips and consumes energy, and when the sliding distance of the first support piece 5 exceeds the limit, the first support piece 5 is broken under the action of the limit piece 3 due to the structure that the first support piece 5 is thin at the lower part and thick at the upper part, so that the earthquake energy is reduced to be transmitted to the upper part, and the large earthquake and the small earthquake are realized; when an ultra-strong earthquake occurs, the upper top plate 2 has in-plane infinite rigidity, out-plane reliable bearing capacity and anti-overturning capacity, and the grooves 4 in the top of the lower buttress 1 can accumulate enough fragments to realize the shock insulation layer effect, so that the top plate 2 is prevented from being in hard contact with the lower buttress 1, and the phenomenon that the top plate cannot reach the heavy earthquake is realized.

In this embodiment, the blocking unit further includes a plurality of hollow blocks 7, the plurality of hollow blocks 7 are disposed between the lower buttress 1 and the top plate 2, and a plurality of bottoms of the hollow blocks all extend into the groove 4, the hollow blocks 7 are provided with through holes, the plurality of first supporting members 5 are respectively formed by casting concrete in the through holes of the hollow blocks 7 located in the middle, and the plurality of second supporting members 6 are respectively formed by casting concrete in the through holes of the hollow blocks 7 located outside.

In this embodiment, the limiting member 3 is a steel plate, the steel plate is embedded in the lower buttress 1, and the extending height of the limiting member 3 is 1/4-1/3 of the height of the first supporting member 5.

In this embodiment, fine sand or a plastic film is laid between the bottom end of the hollow block 7 where the first support 5 is located and the lower pier 1.

In this embodiment, the volume of the groove 4 is determined by calculation of the energy consumption limit under the action of rare earthquakes, and the depth of the groove 4 is not less than 1/4 of the height of the lower buttress 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A blocking type grinding shock isolation device is characterized by comprising a lower buttress (1), a top plate (2), a blocking unit and a plurality of limiting pieces (3), wherein a groove (4) is formed in the top surface of the lower buttress (1), the top plate (2) is positioned above the lower buttress (1), the blocking unit is arranged between the lower buttress (1) and the top plate (2), the blocking unit comprises a plurality of first supporting pieces (5) and a plurality of second supporting pieces (6), the top ends of the first supporting pieces (5) are fixedly connected with the top plate (2), the bottom ends of the first supporting pieces (5) extend into the groove (4) and are in sliding connection with the lower buttress (1), the second supporting pieces (6) are uniformly arranged outside the first supporting pieces (5), the two ends of the second supporting pieces (6) are fixedly connected with the top plate (2) and the lower buttress (1), the limiting pieces (3) are arranged in the groove (4) and are fixedly connected with the lower buttress (1), the limiting pieces (3) are arranged among the first supporting pieces (5) and are distributed annularly.

2. The blocking type grinding shock isolation device according to claim 1, wherein the blocking unit further comprises a plurality of hollow blocks (7), the plurality of hollow blocks (7) are arranged between the lower buttress (1) and the top plate (2), the bottom ends of the plurality of hollow blocks (7) all extend into the groove (4), the hollow blocks (7) are provided with through holes, the plurality of first supporting pieces (5) are respectively cast and molded in the through holes of the hollow blocks (7) in the middle by adopting concrete, and the plurality of second supporting pieces (6) are respectively cast and molded in the through holes of the hollow blocks (7) in the outer portion by adopting concrete.

3. The interrupted grinding seismic isolation device according to claim 1, wherein the first support (5) is of a truncated pyramid structure and the second support (6) is of a prismatic structure.

4. Blocking grinding isolation device according to any of claims 1-3, wherein the second support (6) is fixedly connected with the lower buttress (1) and the top plate (2) by using anchoring steel bars (8).

5. The interrupted grinding isolation device as claimed in any one of claims 1-3, wherein the limiting member (3) is made of steel plate, and the steel plate is pre-embedded in the lower buttress (1), and the limiting member (3) extends out of 1/4-1/3 which is the height of the first support member (5).

6. The interrupted grinding seismic isolation device as claimed in any one of claims 1 to 3, wherein a fine sand or plastic film is laid between the bottom end of the hollow block (7) where the first support member (5) is located and the lower buttress (1).

7. Interrupted grinding isolation device according to any of claims 1-3, characterized in that the depth of the groove (4) is not less than 1/4 of the height of the lower buttress (1).