CN103194974A - Pre-deviation device for structural bearings - Google Patents
Pre-deviation device for structural bearings Download PDFInfo
- Publication number
- CN103194974A CN103194974A CN2013101146716A CN201310114671A CN103194974A CN 103194974 A CN103194974 A CN 103194974A CN 2013101146716 A CN2013101146716 A CN 2013101146716A CN 201310114671 A CN201310114671 A CN 201310114671A CN 103194974 A CN103194974 A CN 103194974A
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- block
- fixed head
- afterburning
- jack
- framework
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- 238000009434 installation Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004873 anchoring Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a pre-deviation device for structural bearings. The pre-deviation device comprises a base and bearings. A plurality pairs of retaining blocks are arranged on two sides of the base symmetrically, fixing plates are arranged among the retaining blocks, the bearings are fixed between the base and the fixing plates, a plurality of fastening holes are arranged on two sides of the fixing plates, fastening pieces are arranged on the retaining blocks in corresponding mode, and the fastening holes and the fastening pieces are arranged in staggered mode. The pre-deviation device is simple in structure and convenient to use, only needs to be hoisted in place integrally during construction and installing, can be detached by using a special detaching device after anchoring or pouring, is high in working efficiency, safe and reliable in construction and precise in pre-deviation amount and can save a large quantity of labor and materials.
Description
Technical field
The present invention relates to a kind of pre-deflection device, particularly relate to a kind of pre-deflection device for structural bearings.
Background technology
At present in construction, the distortion that the contraction of concrete-bridge or the temperature difference cause, make that the inconsistent deviation of bearing center line of bearing center line at the bottom of the beam and pier is bigger, need when mounted bearing is carried out pre-displacement partially, the design force request in the time of could satisfying operate as normal.At present, mostly partially not pre-during project installation, the partial design displacement of the bearing of just having used up when bearing is installed like this makes that on the contrary the displacement deficiency or the displacement that produce are excessive when operate as normal, be easy to generate the bearing disease or jeopardize bridge security.The major project that has has also been considered the partially pre-of bearing when mounted, but often just use jack to make bearing inclined to one side in advance in the erecting bed, during execute-in-place, the non-special tooling of employing, support anchoring difficulty is big, the space is narrow and small, security incident easily takes place, but and require the pier operations area bigger, efficient is lower, labour intensity is big, and pre-deviator is also wayward.
Summary of the invention
Purpose of the present invention just provides a kind of pre-deflection device for structural bearings, and is simple in structure, high efficiency, and construction safety is reliable, and pre-deviator is accurate, can solve the problem that above-mentioned prior art exists fully.
Purpose of the present invention realizes by following technical proposals:
A kind of pre-deflection device for structural bearings, comprise base and bearing, the base bilateral symmetry arranges some to block, be provided with fixed head between the block, bearing is fixed between base and the fixed head, some fastener holes are offered in the fixed head both sides, and correspondence is provided with securing member on the block, and fastener hole and fastener locations stagger mutually.
As preferably, the described base both sides anchorage that removably connects, correspondence is offered somely to mounting groove on the anchorage, and the block bottom is plugged in the mounting groove, and the outside, block bottom is connected with mounting groove by axis of rotation, and inboard employing shear pin is connected with mounting groove.
Further, also comprise horizontal applicator.
Further, described horizontal applicator is jack, and stand is set on the base, and the jack level is installed in the stand, and jack is over against the fixed head side.
Further, base is provided with carriage, and the jack bottom is held at the carriage top.
Further, also comprise afterburning framework, be symmetrical arranged two groups of blocks and two bearings up and down in the afterburning framework, every group of block constitutes block by some, every group of all corresponding fixed head of block, and two fixed heads are connected by securing member, and place between two groups of blocks, two bearing symmetries are fixed between fixed head and the afterburning frame inner wall, and afterburning framework inside wall level is installed jack, and jack is over against junction, two fixed head sides.
Further, afterburning framework inner bottom part installation bracket, the jack bottom is held at the carriage top.
Further, also comprise afterburning framework, afterburning framework inner roof wall arranges some to block, and fixed head is arranged between the block, bearing is fixed between afterburning framework roof and the fixed head, some fastener holes are offered in the fixed head both sides, and correspondence is provided with securing member on the block, and fastener hole and fastener locations stagger mutually, the corresponding bearing of diapire sets firmly cushion block in the afterburning framework, low friction means is set between cushion block and fixed head, and afterburning framework inside wall level is installed jack, and jack is over against the fixed head side.
Further, afterburning framework inner bottom part installation bracket, the jack bottom is held at the carriage top.
Compared with prior art, beneficial effect of the present invention is: simple in structure, easy to use, only need integral hoisting to put in place during construction and installation, adopt special-purpose provision for disengagement to dismantle after anchoring or the cast again and get final product, high efficiency, construction safety is reliable, pre-deviator is accurate, can save a large amount of man power and materials.
Description of drawings
Fig. 1 is the side structure schematic diagram of the embodiment of the invention one;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the three-dimensional structure diagram after the embodiment of the invention one is removed jack;
Fig. 4 is the structural representation of the embodiment of the invention two;
Fig. 5 is the structural representation of the embodiment of the invention three.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of pre-deflection device for structural bearings, comprise base 1 and bearing 13, base 1 bilateral symmetry arranges some to block 2, be provided with fixed head 3 between the block 2, bearing 13 is fixed between base 1 and the fixed head 3, some fastener holes 4 are offered in fixed head 3 both sides, correspondence is provided with securing member 5 on the block 2, fastener hole 4 staggers mutually with securing member 5 positions, also is provided with stand 6 and carriage 7 on base 1, and level is installed a jack 8 in the stand 6, and jack 8 is over against fixed head 3 sides, and jack 8 bottoms are held at carriage 7 tops.
The described base 1 both sides anchorage 9 that removably connects, correspondence is offered some to mounting groove 10 on the anchorage 9, block 2 bottoms are plugged in the mounting groove 10, and the outside, block 2 bottoms is connected with mounting groove 10 by axis of rotation 11, and the inboard shear pin 12 that adopts is connected with mounting groove 10.
When reality is used, bearing 13 is installed between base 1 and the fixed head 3, jack 8 promotes fixed head 3 and moves, and then drive bearing 13 horizontal-shifts, when reaching required pre-deviator, securing member 5 inserts in the fastener hole 4, and fixed head 3 and block 2 are fastened together, and makes bearing 13 be in the prebias state.Should pre-deflection device integral hoisting put in place, adopt provision for disengagement dismounting securing member 5, bearing 13 will keep pre-state partially.
At ordinary times, because transverse wind is less, block 2 can bear horizontal wind-force, when running into earthquake, lateral force surpasses design load, and shear pin 12 will be cut off, and block 2 falls down around axis of rotation 11 rotations, the horizontal force of bearing 13 is discharged, can make transverse horizontal displacement, thereby consume seismic forces.
Embodiment two
As shown in Figure 4, the difference of present embodiment and embodiment one is, also comprise an afterburning framework 14, be symmetrical arranged two groups of blocks 2 and two bearings 13 up and down in the afterburning framework 14, every group of block 2 constitutes block 2 by some, every group of block 2 all corresponding fixed heads 3, some fastener holes 4 are offered in fixed head 3 both sides, correspondence is provided with securing member 5 on the block 2, fastener hole 4 staggers mutually with securing member 5 positions, two fixed heads 3 are connected by securing member, and place between two groups of blocks 2, two bearing 13 symmetries are fixed between fixed head 3 and afterburning framework 14 inwalls, and afterburning framework 14 inside wall levels are installed jack 8, and jack 8 is over against junction, two fixed head 3 sides.Afterburning framework 14 inner bottom part installation brackets 7, jack 8 bottoms are held at carriage 7 tops.
In use, jack 8 promotes junction, two fixed head 3 sides, makes two bearings 13 to a direction displacement, after displacement puts in place, inserts in the fastener hole 4 with securing member 5, and bearing 13 and block 2 are tightened together, and makes bearing 13 be in pre-state partially.Should pre-deflection device integral hoisting put in place, adopt provision for disengagement dismounting securing member 5, bearing 13 will keep pre-state partially.
Embodiment three
As shown in Figure 5, the difference of present embodiment and embodiment one is, also comprise afterburning framework 14, afterburning framework 14 inner roof walls arrange some to block 2, fixed head 3 is arranged between the block 2, bearing 13 is fixed between afterburning framework 14 roofs and the fixed head 3, some fastener holes 4 are offered in fixed head 3 both sides, correspondence is provided with securing member 5 on the block 2, fastener hole 4 staggers mutually with securing member 5 positions, and the corresponding bearing 13 of diapire sets firmly cushion block 15 in the afterburning framework 14, and low friction means 16 is set between cushion block 15 and fixed head 3, afterburning framework 14 inside wall levels are installed jack 8, and jack 8 is over against fixed head 3 sides.Afterburning framework 14 inner bottom part installation brackets 7, jack 8 bottoms are held at carriage 7 tops.
In use, jack 8 promotes fixed head 3 sides, makes bearing 13 to a direction displacement, after displacement puts in place, inserts in the fastener hole 4 with securing member 5, and bearing 13 and block 2 are tightened together, and makes bearing 13 be in pre-state partially.Should pre-deflection device integral hoisting put in place, adopt provision for disengagement dismounting securing member 5, bearing 13 will keep pre-state partially.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. pre-deflection device that is used for structural bearings, it is characterized in that: comprise base and bearing, the base bilateral symmetry arranges some to block, be provided with fixed head between the block, bearing is fixed between base and the fixed head, some fastener holes are offered in the fixed head both sides, and correspondence is provided with securing member on the block, and fastener hole and fastener locations stagger mutually.
2. the pre-deflection device for structural bearings according to claim 1, it is characterized in that: the described base both sides anchorage that removably connects, correspondence is offered some to mounting groove on the anchorage, the block bottom is plugged in the mounting groove, the outside, block bottom is connected with mounting groove by axis of rotation, and the inboard shear pin that adopts is connected with mounting groove.
3. the pre-deflection device for structural bearings according to claim 1 and 2 is characterized in that: also comprise horizontal applicator.
4. the pre-deflection device for structural bearings according to claim 3, it is characterized in that: described horizontal applicator is jack, and stand is set on the base, and the jack level is installed in the stand, and jack is over against the fixed head side.
5. the pre-deflection device for structural bearings according to claim 4, it is characterized in that: base is provided with carriage, and the jack bottom is held at the carriage top.
6. the pre-deflection device for structural bearings according to claim 1 and 2, it is characterized in that: also comprise afterburning framework, be symmetrical arranged two groups of blocks and two bearings up and down in the afterburning framework, every group of block constitutes block by some, every group of all corresponding fixed head of block, two fixed heads are connected by securing member, and place between two groups of blocks, two bearing symmetries are fixed between fixed head and the afterburning frame inner wall, afterburning framework inside wall level is installed jack, and jack is over against junction, two fixed head sides.
7. the pre-deflection device for structural bearings according to claim 6 is characterized in that: afterburning framework inner bottom part installation bracket, carriage top are held the jack bottom.
8. the pre-deflection device for structural bearings according to claim 1 and 2, it is characterized in that: also comprise afterburning framework, afterburning framework inner roof wall arranges some to block, fixed head is arranged between the block, bearing is fixed between afterburning framework roof and the fixed head, some fastener holes are offered in the fixed head both sides, correspondence is provided with securing member on the block, fastener hole and fastener locations stagger mutually, the corresponding bearing of diapire sets firmly cushion block in the afterburning framework, low friction means is set between cushion block and fixed head, and afterburning framework inside wall level is installed jack, and jack is over against the fixed head side.
9. the pre-deflection device for structural bearings according to claim 8 is characterized in that: afterburning framework inner bottom part installation bracket, carriage top are held the jack bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114671.6A CN103194974B (en) | 2013-04-03 | 2013-04-03 | Pre-deviation device for structural bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114671.6A CN103194974B (en) | 2013-04-03 | 2013-04-03 | Pre-deviation device for structural bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103194974A true CN103194974A (en) | 2013-07-10 |
| CN103194974B CN103194974B (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310114671.6A Active CN103194974B (en) | 2013-04-03 | 2013-04-03 | Pre-deviation device for structural bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103194974B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938552A (en) * | 2014-04-04 | 2014-07-23 | 中铁第四勘察设计院集团有限公司 | Self-balancing cantilevering construction method for large-span steel truss arch bridge and main pier limiting supports |
| CN107702703A (en) * | 2017-10-31 | 2018-02-16 | 长安大学 | A kind of spandrel column installation pre- instrument and its application method partially |
| CN115142689A (en) * | 2022-08-01 | 2022-10-04 | 东南大学 | Tension and compression dual-purpose support releasing device capable of sliding laterally and releasing method |
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|---|---|---|---|---|
| KR200207500Y1 (en) * | 2000-07-10 | 2000-12-15 | 주식회사케이.알 | Bridge shoe for amending bias |
| KR20010037501A (en) * | 1999-10-18 | 2001-05-07 | 김기중 | Bridge shoe for bias |
| CN102493336A (en) * | 2011-12-07 | 2012-06-13 | 衡水宝力工程橡胶有限公司 | Drawing-resistant connecting device for support seat and manufacturing method of drawing-resistant connecting device |
| CN202323693U (en) * | 2011-12-07 | 2012-07-11 | 衡水宝力工程橡胶有限公司 | Anti-pulling connection device applied to supports |
| CN203160137U (en) * | 2013-04-03 | 2013-08-28 | 成都市新筑路桥机械股份有限公司 | Pre-deflection device for structural support |
-
2013
- 2013-04-03 CN CN201310114671.6A patent/CN103194974B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010037501A (en) * | 1999-10-18 | 2001-05-07 | 김기중 | Bridge shoe for bias |
| KR200207500Y1 (en) * | 2000-07-10 | 2000-12-15 | 주식회사케이.알 | Bridge shoe for amending bias |
| CN102493336A (en) * | 2011-12-07 | 2012-06-13 | 衡水宝力工程橡胶有限公司 | Drawing-resistant connecting device for support seat and manufacturing method of drawing-resistant connecting device |
| CN202323693U (en) * | 2011-12-07 | 2012-07-11 | 衡水宝力工程橡胶有限公司 | Anti-pulling connection device applied to supports |
| CN203160137U (en) * | 2013-04-03 | 2013-08-28 | 成都市新筑路桥机械股份有限公司 | Pre-deflection device for structural support |
Non-Patent Citations (1)
| Title |
|---|
| 尚斌: "悬臂现浇连续梁支座施工中的预偏量控制", 《四川建材》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938552A (en) * | 2014-04-04 | 2014-07-23 | 中铁第四勘察设计院集团有限公司 | Self-balancing cantilevering construction method for large-span steel truss arch bridge and main pier limiting supports |
| CN103938552B (en) * | 2014-04-04 | 2016-03-02 | 中铁第四勘察设计院集团有限公司 | Steel truss arched bridge self-balancing cantilever construction method and the spacing bearing of main pier |
| CN107702703A (en) * | 2017-10-31 | 2018-02-16 | 长安大学 | A kind of spandrel column installation pre- instrument and its application method partially |
| CN115142689A (en) * | 2022-08-01 | 2022-10-04 | 东南大学 | Tension and compression dual-purpose support releasing device capable of sliding laterally and releasing method |
| CN115142689B (en) * | 2022-08-01 | 2023-09-29 | 东南大学 | Pulling and pressing dual-purpose support release device capable of sliding laterally and release method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103194974B (en) | 2015-02-11 |
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Effective date of registration: 20240108 Address after: 611400 No. 799, hope road, Wujin street, Xinjin District, Chengdu, Sichuan (Industrial Park) Patentee after: Chengdu Xinzhu Transportation Technology Co.,Ltd. Address before: 611430 Xinjin Industrial Park, Sichuan, Chengdu Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd. |