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CN104989000B - A kind of tension blocking device on shock insulation rubber bearing - Google Patents

A kind of tension blocking device on shock insulation rubber bearing Download PDF

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Publication number
CN104989000B
CN104989000B CN201510355216.4A CN201510355216A CN104989000B CN 104989000 B CN104989000 B CN 104989000B CN 201510355216 A CN201510355216 A CN 201510355216A CN 104989000 B CN104989000 B CN 104989000B
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China
Prior art keywords
pull bar
blocking device
nut
shock insulation
steel plate
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Application number
CN201510355216.4A
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Chinese (zh)
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CN104989000A (en
Inventor
李韶平
夏祖讽
刘文光
王晓雯
何文福
杨杰
田华
姬卓
刘阳
赵晗
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
University of Shanghai for Science and Technology
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Shanghai Nuclear Engineering Research and Design Institute Co Ltd
University of Shanghai for Science and Technology
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Priority to CN201510355216.4A priority Critical patent/CN104989000B/en
Publication of CN104989000A publication Critical patent/CN104989000A/en
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Publication of CN104989000B publication Critical patent/CN104989000B/en
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Abstract

The present invention relates to a kind of tension blocking device on shock insulation rubber bearing, including installing steel plate (1), securing member, splicing nut (5) and pull bar (6);Two installations steel plate (1) are respectively placed in the upper and lower of rubber support, it is connected with the rubber support using bolt, there is corresponding preformed hole up and down in the corner for installing steel plate (1), the securing member is individually fixed in upper and lower two installations steel plate (1) by the preformed hole, and the securing member is connected with the pull bar (6) by splicing nut (5).During by little shake load action, whole device tension member (6) effect does not produce displacement, and pull bar (6) top produces minute angle, pull bar (6) tension;When being shaken greatly or shaking above load action greatly, pull bar (6) are pulled off, and rubber support plays power consumption effect, and bearing produces horizontal displacement, realizes Two-stage control.

Description

A kind of tension blocking device on shock insulation rubber bearing
Technical field
The present invention relates to a kind of tension blocking device on shock insulation rubber bearing.
Background technology
Existing shock insulation rubber bearing, under earthquake or other load actions, in order to consume energy and reduce superstructure Infringement, often produces the displacement of very big horizontal direction.Although shock insulation (shaking) effect is significant, bearing horizontal direction are more soft, Be likely to produce certain displacement under the effect such as little shake and middle shake, i.e., cannot grading control shock isolating pedestal seismic response.Therefore Existing shock insulation rubber bearing in the application of some special buildings tighter to displacement request, with certain limitation.
Content of the invention
For the defect that prior art is present, it is an object of the invention to provide a kind of device with shock insulation blocking function, makes Obtain shock isolating pedestal and certain rigidity is kept under little shake or middle shake effect, limit shock isolating pedestal displacement;More than big shake and big shake Effect is lower to cause locking failure, and shock isolating pedestal plays power consumption effect, is achieved in two-step evolution.
For reaching above-mentioned purpose, the present invention is adopted the following technical scheme that:
A kind of tension blocking device on shock insulation rubber bearing, including installing steel plate 1, securing member, splicing 5 and of nut Pull bar 6;Two installation steel plates 1 are respectively placed in the upper and lower of rubber support, using bolt and the rubber support Connection, the corner for installing steel plate 1 have corresponding preformed hole up and down, and the securing member is individually fixed in by the preformed hole Upper and lower two installation steel plates 1, the securing member are connected with the pull bar 6 by the splicing nut 5.
Further, the securing member includes external sleeve 2, thread screw 4 and big nut 3;The thread screw 4 passes through The preformed hole through the installation steel plate 1, with screw thread in the external sleeve 2, joined with the thread screw 4 by the screw thread Close, the big nut 3 and the external sleeve 2 are fixed in the inner side and outer side of the thread screw 4 respectively, the thread screw 4 medial end by described splicing nut 5 be connected with the pull bar 6, referring herein to inner side, positioned at two installations Between steel plate 1.
Further, the pull bar 6 is made up of fragile material.So-called fragile material, refer under external force as stretching, Impact etc., the deformation for only producing very little destroy the material of fracture.
Further, the outer elongation of the thread screw 4 can be adjusted by the big nut 3 and the external sleeve 2 Degree, so as to adjust the tensile region height of whole blocking device.Referring herein to extension, refer to that the thread screw 4 is passed through The installation steel plate 1, positioned at the length for installing 1 outside of steel plate.
Further, the length of the external sleeve 2 is more than or equal to 2 times of the extension of the thread screw 4.
Further, respectively there is a perforate at the two ends of the splicing nut 5, and the first in the hole portion has screw thread, with the spiral shell Line screw rod 4 coordinates, and the second in the hole portion has smooth arc-shaped surface space, and first hole is more than second hole.
Further, two ends of the pull bar 6 are connected by thin bar between described two ends in spherical.
Further, the splicing nut 5 is made up of two half symmetrical nuts, two and half nuts all have two overhanging It is easy to the connecting plate screwed tight with bolt.Two and half nuts are screwed tight with less bolt, are combined into a splicing nut 5.The splicing The cambered surface space in the second in the hole portion of nut 5 can accommodate the balled end of the pull bar 6;The diameter in second hole is little In the ball end diameter of the pull bar 6, more than the thin bar diameter of the pull bar 6;The pull bar 6 can be rotated, and form pin-jointed system.
Further, screwing tight degree and supporting can the pull bar 6 for splicing nut 5 and the thread screw 4 is adjusted Tightly the splicing nut 5, and can provide pretension.
Further, the quantity of the pull bar 6, material and/or diameter are adjustable to adapt to different rigidity requirement.Work as institute When stating power that pull bar 6 is subject to more than default lock-in threshold, the pull bar can rupture, and the lock-in threshold can be drawn by changing The quantity of bar, material and/or diameter etc. are adjusted
Compared with prior art, the present invention has following prominent and significant technological progress:
The present invention limits little shake load action of the bearing in defined by the tension blocking device of increase shock isolating pedestal Under displacement so that bearing is overall keeps certain rigidity under little shake, big shake under consumed energy using shock isolating pedestal, realize two-stage control System.
Description of the drawings
Fig. 1 is the schematic diagram of the tension blocking device with shock insulation rubber bearing;
Fig. 2 is the front view of the tension blocking device with shock insulation rubber bearing;
Fig. 3 is the schematic diagram of tension blocking device;
Fig. 4 is the front view of tension blocking device;
Fig. 5 is the top view of tension blocking device;
Fig. 6 is the A-A sectional view of the tension blocking device with shock insulation rubber bearing;
Fig. 7 is the B-B sectional view of tension blocking device;
Fig. 8 is the schematic diagram for splicing nut in tension blocking device;
Fig. 9 is the front view for splicing nut in tension blocking device;
Figure 10 is the top view for splicing nut in tension blocking device;
Figure 11 is the C-C sectional view for splicing nut in tension blocking device;
Figure 12 is the schematic diagram of pull bar in tension blocking device;
Figure 13 is the front view of pull bar in tension blocking device;
Figure 14 is the schematic diagram of tension blocking device China and foreign countries female connector cylinder;
Figure 15 is the top view of tension blocking device China and foreign countries female connector cylinder;
Figure 16 is the D-D sectional view of tension blocking device China and foreign countries female connector cylinder;
Figure 17 is the schematic diagram of thread screw in tension blocking device;
Figure 18 is the front view of thread screw in tension blocking device.
Specific embodiment
The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment.
As shown in Fig. 1 to Figure 18, a kind of tension blocking device on shock insulation rubber bearing includes:Installation steel plate 1a, 1b, external sleeve 2a, 2b, big nut 3a, 3b, thread screw 4a, 4b, splice nut 5a, 5b, pull bar 6.
If the common lead core rubber support 7 in Fig. 1, Fig. 6 is by connecting plate 8, shrouding 9, steel plate 10, rubber layer 11, lead for retractable pencil 12 Composition.
As shown in Figure 14 to 16, external sleeve 2, including screw thread can be coordinated with thread screw 4.As shown in Figure 6, Figure 7, external The length of sleeve 2a, 2b is more than or equal to 2 times of the extension of thread screw 4a, 4b.
As shown in Figure 1, Figure 2 and Figure 7, thread screw 4a, 4b is each passed through installation steel plate 1a, 1b, installs steel plate both sides and divides It is not fixed on installation steel plate by external sleeve 2a, 2b and big nut 3a, 3b.
As illustrated in figs. 8-11, splicing nut 5 is anchored by anchorage screw 13a, 13b and anchorage nut 14a, 14b.As schemed Splicing 5 one end perforate of nut shown in 11 is larger, and referred to as the first hole, other end perforate are less, referred to as the second hole.The inwall in the first hole Containing screw thread, can coordinate with thread screw 4a, 4b.As illustrated, the second hole side of splicing nut 5 some pre- leave a blank Between, in smooth arc-shaped surface, the diameter in the second hole is slightly larger than the diameter of pull bar bar portion and is slightly less than the ball end diameter of pull bar, it is ensured that pull bar The ball end of 6a, 6b can be freely rotated in the to a certain degree interior of headspace of splicing nut, not by the perforate on splicing nut Restriction.
As shown in Fig. 2, Fig. 4 and Fig. 6, thread screw 4a, 4b is controlled to stretch by external sleeve 2a, 2b and big nut 3a, 3b Go out the length of steel plate is installed, and then the height of blocking device can be adjusted, different length can be changed according to different operating modes Pull bar.
As shown in fig. 6, ball end when installing by screwing tight to make pull bar 6 splicing nut 5a, 5b and thread screw 4a, 4b Push against with splicing nut 5.Pretension can be provided as needed.
Installation method as described above, as depicted in figs. 1 and 2, presets lock-in threshold when the power being subject on the pull bar is more than When, the pull bar is sheared fracture.The lock-in threshold can be set by the quantity of adjusting yoke, material and/or diameter etc., with Adapt to different rigidity requirement.It is applied in the shock insulation of earthquake, when little shake or other loads are subject to, have and produce horizontal displacement Trend, pull bar offset a small angle, and as the restriction whole device of pull bar is locked, shock isolating pedestal does not play effect. When being shaken greatly or shaking above load action greatly, pull bar is pulled off, and locking is failed, and shock isolating pedestal produces displacement and plays power consumption effect Should, so as to realize two-step evolution.
The preferred embodiment of the present invention described in detail above.It should be appreciated that the ordinary skill of this area is without the need for wound The property made work just can make many modifications and variations according to the design of the present invention.Therefore, all technical staff in the art Pass through the available technology of logical analysis, reasoning, or a limited experiment under this invention's idea on the basis of existing technology Scheme, all should be in the protection domain being defined in the patent claims.

Claims (9)

1. a kind of tension blocking device on shock insulation rubber bearing, it is characterised in that:Including install steel plate (1), securing member, Splicing nut (5) and pull bar (6);
Two installations steel plate (1) are respectively placed in the upper and lower of rubber support, using bolt and the rubber support Connection, the corner for installing steel plate (1) have corresponding preformed hole up and down, and the securing member is fixed respectively by the preformed hole In upper and lower two installations steel plate (1), the securing member is connected with the pull bar (6) by splicing nut (5);
The securing member includes external sleeve (2), thread screw (4) and big nut (3);Described thread screw (4) are by described Preformed hole through installation steel plate (1), with screw thread in external sleeve (2), the screw thread and the thread screw (4) Coordinate, big nut (3) and the external sleeve (2) are fixed in the inner side and outer side of the thread screw (4) respectively, described The medial end of thread screw (4) is connected with the pull bar (6) by splicing nut (5).
2. the tension blocking device on shock insulation rubber bearing according to claim 1, it is characterised in that:The pull bar (6) it is made up of fragile material.
3. the tension blocking device on shock insulation rubber bearing according to claim 1, it is characterised in that:By described Big nut (3) and the external sleeve (2) can adjust the extension of the thread screw (4), so as to adjust whole locking The tensile region height of device.
4. according to claim 1 or 3 for the tension blocking device on shock insulation rubber bearing, it is characterised in that:Described The length of external sleeve (2) is more than or equal to 2 times of the extension of thread screw (4).
5. the tension blocking device on shock insulation rubber bearing according to claim 1, it is characterised in that:The splicing Respectively there is a perforate at the two ends of nut (5), and the first in the hole portion has screw thread, coordinate with the thread screw (4), the second in the hole portion With smooth arc-shaped surface space, first hole is more than second hole.
6. the tension blocking device on shock insulation rubber bearing according to claim 1, it is characterised in that:The pull bar (6) two ends are connected by thin bar between described two ends in spherical.
7. the tension blocking device on shock insulation rubber bearing according to claim 5, it is characterised in that:The splicing The cambered surface space in the second in the hole portion of nut (5) can accommodate the balled end of the pull bar (6);Second hole straight Footpath is less than the ball end diameter of pull bar (6), more than the thin bar diameter of the pull bar (6);Pull bar (6) can rotate, shape Become pin-jointed system.
8. the tension blocking device on shock insulation rubber bearing according to claim 1, it is characterised in that:Adjust described Splicing nut (5) with the thread screw (4) screw tight degree can make the pull bar (6) push against described splicing nut (5), and Pretension can be provided.
9. the tension blocking device on shock insulation rubber bearing according to claim 1, it is characterised in that:The pull bar (6) quantity, material and/or diameter are adjustable to adapt to different rigidity requirement.
CN201510355216.4A 2015-06-24 2015-06-24 A kind of tension blocking device on shock insulation rubber bearing Active CN104989000B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510355216.4A CN104989000B (en) 2015-06-24 2015-06-24 A kind of tension blocking device on shock insulation rubber bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510355216.4A CN104989000B (en) 2015-06-24 2015-06-24 A kind of tension blocking device on shock insulation rubber bearing

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CN104989000A CN104989000A (en) 2015-10-21
CN104989000B true CN104989000B (en) 2017-03-08

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105735732A (en) * 2016-03-17 2016-07-06 同济大学 Rigidity-adjustable energy dissipation and damping support for extra-high voltage transformation equipment and application thereof
CN113152972A (en) * 2020-12-12 2021-07-23 北京工业大学 Prestress variable-rigidity three-dimensional shock isolation support
CN112829365B (en) * 2021-01-06 2022-10-28 株洲时代新材料科技股份有限公司 Compression method and device for supporting type vibration isolation element

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991366A (en) * 1987-10-05 1991-02-12 Akira Teramura Vibration isolating device
CN201546235U (en) * 2009-08-03 2010-08-11 上海核工程研究设计院 Nuclear power plant nuclear island structure base isolation device with locking function
CN202767242U (en) * 2012-10-10 2013-03-06 衡水震泰隔震器材有限公司 Three-direction shock insulation support
CN203546909U (en) * 2013-11-04 2014-04-16 长沙远大住宅工业有限公司 Special joints for box structure building system
CN104110076B (en) * 2014-06-23 2016-08-24 同济大学 A kind of spacing combined shock isolating pedestal of tension

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