CN107254836A - A kind of backing plate height-adjustable supports and construction method - Google Patents
A kind of backing plate height-adjustable supports and construction method Download PDFInfo
- Publication number
- CN107254836A CN107254836A CN201710672176.5A CN201710672176A CN107254836A CN 107254836 A CN107254836 A CN 107254836A CN 201710672176 A CN201710672176 A CN 201710672176A CN 107254836 A CN107254836 A CN 107254836A
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- China
- Prior art keywords
- plate
- height
- height adjusting
- adjusting cushion
- adjustable supports
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000004873 anchoring Methods 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000009826 distribution Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of backing plate height-adjustable supports, including pre-buried anchoring assembly, height adjusting cushion plate component, anchor bolt and seat structure；The height adjusting cushion plate component is installed between pre-buried anchoring assembly and seat structure, and seat structure, height adjusting cushion plate component, pre-buried anchoring assembly are fixed by anchor bolt.Invention additionally discloses a kind of construction method of backing plate height-adjustable supports, the construction method comprises the following steps：Loosen anchor bolt；Beam body synchronization of jacking up；Height adjusting cushion plate component is installed and assembly；Slowly fall beam to designed elevation；Tighten anchor bolt, Demolition Construction equipment.The present invention is effectively reduced the structure height of height-adjustable supports, reduces height-adjustable supports cost by the backing structure of pin-connected panel；Meanwhile, height adjusting cushion plate is connected as one with bearing upper base plate by limiting plate structure, the globality of height adjusting cushion plate and bearing upper base plate is realized, the reliability that seat structure resists horizontal force is improved；Work progress is easy, reliable.
Description
Technical field
The invention belongs to bridge technology field, it is related to a kind of backing plate height-adjustable supports and construction method.
Background technology
The beam bridge bearing used at present includes lead rubber bearing, unleaded shock insulation rubber bearing, horizontal force dispersing type
The all kinds bearings such as bearing, highway bridge pot bearing, pot bearing, bearing is equal to, direction across bridge or vertical direction across bridge in vertical bridge
Have and installed on gradient precast beam, typically all must be first by leveling steel plate pre-buried (or welding) in beam body bottom surface, then erection support.Pass
The mounting means of system exists following not enough：Backing plate height-adjustable supports take out upper bracket plate anchor by increasing the height of undersetting basin plug
Fixing bolt, the manufacturing cost of bearing is high, and quality can not be guaranteed, and cause beam body to occur prefabricated beam body and design afterwards in place
The gradient is not inconsistent or portion of standoff comes to nothing, and ultimately results in that Bearing Seat Force is uneven and too early destruction, is supported to the safety of bridge and maintenance
Protecting band carrys out no small difficult and trouble.
During bridge construction, inevitably by sedimentation geologic province, beam body need to be carried out using height-adjustable supports
Absolute altitude adjust, existing height-adjustable supports include backing plate heighten, fill heighten, spiral is heightened.Wherein, backing plate height-adjustable supports are full
Foot heightens working space requirement, increases certain building height than common bearing, causes the increase of bearing weight, and cost is uprised.Fill out
Fill height-adjustable supports and there is practice of construction difficulty, filler is pressurized for a long time easily to be revealed, and is difficult to reach and is heightened effect.Spiral height-adjustable supports
Difficulty of processing is big, and manufacturing cost is high, difficulty of construction is heightened greatly, using few.
The content of the invention
It is an object of the invention to provide a kind of backing plate height-adjustable supports and construction method.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of backing plate height-adjustable supports, including pre-buried anchoring assembly, height adjusting cushion plate component, anchor bolt and seat structure；Institute
Height adjusting cushion plate component is stated to be installed between pre-buried anchoring assembly and seat structure, and by anchor bolt by seat structure, heighten
Backing plate assemblies, pre-buried anchoring assembly are fixed.
The pre-buried anchoring assembly is made up of pre-embedded steel slab and the anchoring sleeve being fixed thereon, anchor rib；Pre-embedded steel slab
On be all provided with four anchoring sleeves and nine anchor ribs, anchoring sleeve is embedded in beam body with anchor rib.
It is hollow female thread structure, the annular caulking groove structure of outside distribution inside the anchoring sleeve；Under the anchoring sleeve
Formed and be fitted close in the embedded pre-buried steel plate hole in end, and be welded and fixed in anchoring sleeve with pre-embedded steel slab interface, anchor rib and
Pre-embedded steel slab threaded connection is fixed or is welded and fixed.
The anchor rib is L-type or U-shape structure, and above-mentioned anchoring sleeve upper end sealing is set.
The height adjusting cushion plate component is made up of height adjusting cushion plate, limiting plate, connecting plate and connecting bolt；Two height adjusting cushion plate sides
Face is relative with side to contact setting, and is integrally connected by the connecting plate and connecting bolt for being arranged on height adjusting cushion plate both ends of the surface
Connect；Bar hole is offered in the middle part of two height adjusting cushion plate two ends of integrally connected；Spacing plate weld or bolt connection are fixed on tune
High backing plate outer side edges.
The height adjusting cushion plate of the height adjusting cushion plate component is arranged between pre-buried pre-embedded steel slab and upper bracket plate, and passes through anchoring
Bolt is threadedly secured in anchoring sleeve through upper bracket plate, the bar hole of height adjusting cushion plate and pre-embedded steel slab, so that by bearing
Structure, pre-buried anchoring assembly and height adjusting cushion plate component are installed together.
A kind of construction method of backing plate height-adjustable supports, the construction method comprises the following steps：
1) anchor bolt, is loosened, it outwards winding length for the amount of heightening h+5mm；
2), beam body synchronization of jacking up, top lifting height is the amount of heightening h+2mm；
3), height adjusting cushion plate component is installed and assembly：Respectively beam body and upper bracket plate are put into from both sides by two pieces of height adjusting cushion plates
Between, it is rear in place that two pieces of height adjusting cushion plates are connected with connecting bolt using connecting plate；
4) beam, is slowly fallen to designed elevation；
5) anchor bolt, Demolition Construction equipment, are tightened.
Beneficial effects of the present invention：The present invention is effectively reduced the structure of height-adjustable supports by the backing structure of pin-connected panel
Highly, height-adjustable supports cost is reduced；Meanwhile, height adjusting cushion plate is connected as one with bearing upper base plate by limiting plate structure,
The globality of height adjusting cushion plate and bearing upper base plate is realized, the reliability that seat structure resists horizontal force is improved；Work progress
It is easy, reliable.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is seat structure and beam body scheme of installation；
Fig. 2 is that seat structure separates schematic diagram with beam body；
Fig. 3 is a kind of backing plate height-adjustable supports schematic front view of the invention；
Fig. 4 is height adjusting cushion plate assembly assumption diagram；
Fig. 5 is a kind of backing plate height-adjustable supports axle side schematic diagram of the invention；
Label in figure：1 pre-buried anchoring assembly, 1-1 anchoring sleeves, 1-2 pre-embedded steel slabs, 1-3 anchor bars, 2 height adjusting cushion plates
Component, 2-1 height adjusting cushion plates, 2-2 connecting plates, 2-3 connecting bolts, 2-4 limiting plates, 3 anchor bolts, 4 seat structures, prop up on 4-1
Seat board.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only a part of embodiment of the invention to apply example, rather than whole embodiments.Based on the embodiment in the present invention, this area is general
All other embodiment that logical technical staff is obtained under the premise of creative work is not made, belongs to what the present invention was protected
Scope.
A kind of backing plate height-adjustable supports, as Figure 1-5, including pre-buried anchoring assembly 1, height adjusting cushion plate component 2, anchor bolt
3 and seat structure 4；
Pre-buried anchoring assembly 1 is made up of pre-embedded steel slab 1-2 and the anchoring sleeve 1-1 being fixed thereon, anchor rib 1-3, ginseng
See and four anchoring sleeve 1-1 and nine anchor rib 1-3 are all provided with Fig. 5, pre-embedded steel slab 1-2, anchoring sleeve 1-1 and anchor rib 1-3
It is embedded in beam body；
Specifically, inside anchoring sleeve 1-1 it is hollow female thread structure, the annular caulking groove structure of outside distribution；Anchoring sleeve
Formed and be fitted close in the insertion pre-embedded steel slab 1-2 holes of 1-1 lower ends, and welded in anchoring sleeve 1-1 and pre-embedded steel slab 1-2 interfaces
Fixed, anchor rib 1-3 is threadedly coupled fixed or is welded and fixed with pre-embedded steel slab 1-2；Anchor rib 1-3 can be L-type, U-shape structure,
The sealing of anchoring sleeve 1-1 upper ends is set；
Height adjusting cushion plate component 2 is made up of height adjusting cushion plate 2-1, limiting plate 2-4, connecting plate 2-2 and connecting bolt 2-3, referring to
Fig. 3-4；Specifically, two height adjusting cushion plate 2-1 sides are relative with side contacts setting, and by being arranged on height adjusting cushion plate both ends of the surface
Connecting plate 2-2 and connecting bolt 2-3 carry out integrally connected；Bar is offered in the middle part of two height adjusting cushion plate two ends of integrally connected
Shape hole；Limiting plate 2-4 is welded or bolt connection is fixed on height adjusting cushion plate 2-1 outer side edges, and limiting plate 2-4 downsides protrude and heighten pad
Plate 2-1 downsides；
Seat structure 4 includes upper bracket plate 4-1, and upper bracket plate 4-1 is located in limiting plate 2-4；The tune of height adjusting cushion plate component 2
High backing plate 2-1 is arranged between pre-buried pre-embedded steel slab 1-2 and upper bracket plate 4-1, and passes through upper bracket plate 4- by anchor bolt 3
1st, the bar hole of height adjusting cushion plate and pre-embedded steel slab 1-2 are threadedly secured in anchoring sleeve 1-1, by seat structure 4, pre-buried anchoring
Component 1 is installed together with height adjusting cushion plate component 2；
A kind of construction method of backing plate height-adjustable supports, construction method comprises the following steps：
1) anchor bolt 3, is loosened, it outwards winding length for the amount of heightening h+5mm；
2), beam body synchronization of jacking up：Lifting operation is synchronized to beam body using distributed hydraulic jack, top lifting height is
The amount of heightening h+2mm；
3), height adjusting cushion plate component 2 is installed and assembly；Respectively beam body and upper branch are put into from both sides by two pieces of height adjusting cushion plate 2-1
It is rear in place that two pieces of height adjusting cushion plate 2-1 are connected using connecting plate 2-2 and connecting bolt 2-3 between seat board 4-1；
4) beam, is fallen：Hydraulic system pressure is adjusted, slowly falls beam to designed elevation；
5) anchor bolt 3, Demolition Construction equipment, are tightened.
The present invention is effectively reduced the structure height of height-adjustable supports, is reduced and heighten branch by the backing structure of pin-connected panel
Seat cost；Meanwhile, height adjusting cushion plate is connected as one with bearing upper base plate by limiting plate structure, height adjusting cushion plate and branch is realized
The globality of seat upper base plate, improves the reliability that seat structure resists horizontal force；Work progress is easy, reliable.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details of narration, it is only described embodiment that the invention is not limited yet.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of backing plate height-adjustable supports, it is characterised in that including pre-buried anchoring assembly (1), height adjusting cushion plate component (2), anchoring spiral shell
Bolt (3) and seat structure (4)；
The height adjusting cushion plate component (2) is installed between pre-buried anchoring assembly (1) and seat structure (4), and passes through anchor bolt
(3) seat structure (4), height adjusting cushion plate component (2), pre-buried anchoring assembly (1) are fixed.
2. a kind of backing plate height-adjustable supports according to claim 1, it is characterised in that the pre-buried anchoring assembly (1) is by pre-
Anchoring sleeve (1-1), anchor rib (1-3) composition for burying steel plate (1-2) and being fixed thereon；Four are all provided with pre-embedded steel slab (1-2)
Individual anchoring sleeve (1-1) and nine anchor ribs (1-3), anchoring sleeve (1-1) are embedded in beam body with anchor rib (1-3).
3. a kind of backing plate height-adjustable supports according to claim 2, it is characterised in that be inside the anchoring sleeve (1-1)
Hollow female thread structure, the annular caulking groove structure of outside distribution；Anchoring sleeve (1-1) lower end is embedded in pre-embedded steel slab (1-2) hole
Interior formed is fitted close, and is welded and fixed in anchoring sleeve (1-1) with pre-embedded steel slab (1-2) interface, anchor rib (1-3) with advance
Steel plate (1-2) threaded connection is buried to fix or be welded and fixed.
4. a kind of backing plate height-adjustable supports according to claim 3, it is characterised in that the anchor rib (1-3) is L-type or U
Type structure, above-mentioned anchoring sleeve (1-1) upper end sealing is set.
5. a kind of backing plate height-adjustable supports according to claim 1, it is characterised in that the height adjusting cushion plate component (2) is by adjusting
High backing plate (2-1), limiting plate (2-4), connecting plate (2-2) and connecting bolt (2-3) composition；Two height adjusting cushion plate (2-1) sides
It is relative with side to contact setting, and carried out by the connecting plate (2-2) and connecting bolt (2-3) for being arranged on height adjusting cushion plate both ends of the surface
Integrally connected；Bar hole is offered in the middle part of two height adjusting cushion plate two ends of integrally connected；Limiting plate (2-4) is welded or bolt connects
Connect and be fixed on height adjusting cushion plate (2-1) outer side edges.
6. a kind of backing plate height-adjustable supports according to claim 5, it is characterised in that the tune of the height adjusting cushion plate component (2)
High backing plate (2-1) is arranged between pre-buried pre-embedded steel slab (1-2) and upper bracket plate (4-1), and by anchor bolt (3) through upper
Support plate (4-1), the bar hole of height adjusting cushion plate and pre-embedded steel slab (1-2) are threadedly secured in anchoring sleeve (1-1), so that will
Seat structure (4), pre-buried anchoring assembly (1) are installed together with height adjusting cushion plate component (2).
7. a kind of construction method of backing plate height-adjustable supports, it is characterised in that the construction method comprises the following steps：
1) anchor bolt, is loosened, it outwards winding length for the amount of heightening h+5mm；
2), beam body synchronization of jacking up, top lifting height is the amount of heightening h+2mm；
3), height adjusting cushion plate component is installed and assembly：Two pieces of height adjusting cushion plates are put between beam body and upper bracket plate from both sides respectively,
Two pieces of height adjusting cushion plates are connected with connecting bolt using connecting plate after in place；
4) beam, is slowly fallen to designed elevation；
5) anchor bolt, Demolition Construction equipment, are tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672176.5A CN107254836A (en) | 2017-08-08 | 2017-08-08 | A kind of backing plate height-adjustable supports and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672176.5A CN107254836A (en) | 2017-08-08 | 2017-08-08 | A kind of backing plate height-adjustable supports and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107254836A true CN107254836A (en) | 2017-10-17 |
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ID=60025788
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710672176.5A Pending CN107254836A (en) | 2017-08-08 | 2017-08-08 | A kind of backing plate height-adjustable supports and construction method |
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| CN (1) | CN107254836A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893370A (en) * | 2017-12-26 | 2018-04-10 | 中国铁路设计集团有限公司 | A kind of anchor and height-adjustable supports and its construction method |
| CN108103941A (en) * | 2017-12-19 | 2018-06-01 | 雨发建设集团有限公司 | A kind of corrugated tetrafluoro plate rubber bearing unidirectionally constrains precast beam installation method |
| CN108221651A (en) * | 2017-12-27 | 2018-06-29 | 株洲时代新材料科技股份有限公司 | A kind of bridge pad |
| CN109653085A (en) * | 2019-01-03 | 2019-04-19 | 广东省交通规划设计研究院股份有限公司 | Adjustable height shock isolating pedestal |
| CN111188287A (en) * | 2020-01-14 | 2020-05-22 | 福建陆海工程勘察设计有限公司 | Combined method for efficiently repairing bridge support void |
| CN113502735A (en) * | 2021-07-26 | 2021-10-15 | 中南大学 | Bridge beam supports height control system |
| CN113719181A (en) * | 2021-08-16 | 2021-11-30 | 中建科工集团有限公司 | Connecting assembly and connecting method |
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| JPH08218322A (en) * | 1995-02-15 | 1996-08-27 | Kaimon:Kk | Level adjustment and movement limiter for bridge |
| CN201517196U (en) * | 2009-07-09 | 2010-06-30 | 洛阳双瑞特种装备有限公司 | Spherical support for railway simply-supported bridge |
| CN201753433U (en) * | 2010-08-12 | 2011-03-02 | 成都市新筑路桥机械股份有限公司 | Support with adjustable height for bridge |
| CN202519578U (en) * | 2012-04-24 | 2012-11-07 | 西安中交土木科技有限公司 | Double-acting stepless height-adjustable steel device |
| CN203451988U (en) * | 2013-07-25 | 2014-02-26 | 湖北辉创重型工程有限公司 | Supporting base for steel box girder |
| CN205088582U (en) * | 2015-10-22 | 2016-03-16 | 开封大学 | Novel consolidate bridge seat |
| CN207079467U (en) * | 2017-08-08 | 2018-03-09 | 安徽尚德科技有限公司 | A kind of backing plate height-adjustable supports |
-
2017
- 2017-08-08 CN CN201710672176.5A patent/CN107254836A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08218322A (en) * | 1995-02-15 | 1996-08-27 | Kaimon:Kk | Level adjustment and movement limiter for bridge |
| CN201517196U (en) * | 2009-07-09 | 2010-06-30 | 洛阳双瑞特种装备有限公司 | Spherical support for railway simply-supported bridge |
| CN201753433U (en) * | 2010-08-12 | 2011-03-02 | 成都市新筑路桥机械股份有限公司 | Support with adjustable height for bridge |
| CN202519578U (en) * | 2012-04-24 | 2012-11-07 | 西安中交土木科技有限公司 | Double-acting stepless height-adjustable steel device |
| CN203451988U (en) * | 2013-07-25 | 2014-02-26 | 湖北辉创重型工程有限公司 | Supporting base for steel box girder |
| CN205088582U (en) * | 2015-10-22 | 2016-03-16 | 开封大学 | Novel consolidate bridge seat |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103941A (en) * | 2017-12-19 | 2018-06-01 | 雨发建设集团有限公司 | A kind of corrugated tetrafluoro plate rubber bearing unidirectionally constrains precast beam installation method |
| CN108103941B (en) * | 2017-12-19 | 2019-09-20 | 雨发建设集团有限公司 | A kind of corrugated tetrafluoro plate rubber support unidirectionally constrains precast beam installation method |
| CN107893370A (en) * | 2017-12-26 | 2018-04-10 | 中国铁路设计集团有限公司 | A kind of anchor and height-adjustable supports and its construction method |
| CN107893370B (en) * | 2017-12-26 | 2023-09-19 | 中国铁路设计集团有限公司 | Anchoring device, heightening support and construction method of heightening support |
| CN108221651A (en) * | 2017-12-27 | 2018-06-29 | 株洲时代新材料科技股份有限公司 | A kind of bridge pad |
| CN108221651B (en) * | 2017-12-27 | 2020-05-12 | 株洲时代新材料科技股份有限公司 | Bridge bearing |
| CN109653085A (en) * | 2019-01-03 | 2019-04-19 | 广东省交通规划设计研究院股份有限公司 | Adjustable height shock isolating pedestal |
| CN111188287A (en) * | 2020-01-14 | 2020-05-22 | 福建陆海工程勘察设计有限公司 | Combined method for efficiently repairing bridge support void |
| CN113502735A (en) * | 2021-07-26 | 2021-10-15 | 中南大学 | Bridge beam supports height control system |
| CN113502735B (en) * | 2021-07-26 | 2022-06-24 | 中南大学 | Bridge beam supports height control system |
| CN113719181A (en) * | 2021-08-16 | 2021-11-30 | 中建科工集团有限公司 | Connecting assembly and connecting method |
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Address after: 238000 6 Heping Road, Chaohu Economic Development Zone, Hefei, Anhui. Applicant after: Shangde Technology (Anhui) Co.,Ltd. Address before: 238000 6 Heping Road, Chaohu Economic Development Zone, Hefei, Anhui. Applicant before: ANHUI SHOULDER TECHNOLOGY Co.,Ltd. |