CN107268430A - A kind of anchor suitable for beam bridge and height-adjustable supports and its construction method - Google Patents
A kind of anchor suitable for beam bridge and height-adjustable supports and its construction method Download PDFInfo
- Publication number
- CN107268430A CN107268430A CN201710647223.0A CN201710647223A CN107268430A CN 107268430 A CN107268430 A CN 107268430A CN 201710647223 A CN201710647223 A CN 201710647223A CN 107268430 A CN107268430 A CN 107268430A
- Authority
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- China
- Prior art keywords
- bearing
- anchoring sleeve
- height
- screw rod
- steel slab
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims description 11
- 238000004873 anchoring Methods 0.000 claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000013461 design Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 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
- 239000004570 mortar (masonry) Substances 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
- 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 present invention discloses a kind of anchor suitable for bridge, including pre-embedded steel slab, anchoring sleeve component, screw rod, clamp nut；The anchoring sleeve component is made up of anchoring sleeve shrouding, anchoring sleeve；Anchoring sleeve mounting hole is opened up on the pre-embedded steel slab, anchoring sleeve is installed in the hole；Described screw rod one end is located in anchoring sleeve, and the other end is provided with clamp nut.A kind of height-adjustable supports suitable for bridge, including support body, height adjusting cushion plate are also disclosed；The support body is rubber support, pot bearing or spherical bearing form, and it includes seat board under bearing upper base plate, bearing；Through hole corresponding with pre-embedded steel slab is opened up on the height adjusting cushion plate.The present invention solves existing backing plate height-adjustable supports by increasing the height of undersetting basin plug to take out upper bracket plate anchor bolt, reduces the height of height-adjustable supports body, reduces the manufacturing cost of bearing, heightens simple operation, reliable.
Description
Technical field
The invention belongs to beam bridge bearing technical field, and in particular to a kind of anchor, height-adjustable supports suitable for beam bridge
And its construction method.
Background technology
The beam bridge bearing used at present includes lead rubber bearing, unleaded shock insulation rubber bearing, horizontal force dispersing type
Bearing, highway bridge pot bearing, pot bearing, etc. all kinds 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 anchor, height-adjustable supports and its construction method suitable for beam bridge.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of anchor suitable for bridge, including pre-embedded steel slab, anchoring sleeve component, screw rod, clamp nut；It is described
Anchoring sleeve component is made up of anchoring sleeve shrouding, anchoring sleeve；Anchoring sleeve mounting hole is opened up on the pre-embedded steel slab, the hole
Anchoring sleeve is inside installed；Described screw rod one end is located in anchoring sleeve, and the other end is provided with clamp nut.
The anchoring sleeve one end outer wall uses stepped design, and the end end face is closed provided with anchoring sleeve shrouding.
It is that full thread or reach are more than screw rod total length inside the anchoring sleeve.
The screw rod uses interior hexagonal screw rod without a head, or outer-hexagonal primary nut head.
The screw body end face of the screw rod is provided with interior hex slot or other inner trough structures；Or the screw rod master of the screw rod
Body end face is provided with outer-hexagonal head or other boss structures.
A kind of height-adjustable supports suitable for bridge, including support body, height adjusting cushion plate；The support body is rubber branch
Seat, pot bearing or spherical bearing form, it includes seat board under bearing upper base plate, bearing；Opened up on the height adjusting cushion plate with advance
Bury the corresponding through hole of steel plate.
The support body connection pre-embedded steel slab and pier body or beam body；The height adjusting cushion plate is located on pre-embedded steel slab and bearing
Under seat board or bearing between seat board.
The pre-embedded steel slab is embedded on the downside of beam body by anchoring sleeve component；The bearing upper base plate of support body, heighten
Backing plate, pre-embedded steel slab are fastened by screw rod, clamp nut；Seat board is bolted on pier body under bearing.
The pre-embedded steel slab is embedded on the downside of pier body by anchoring sleeve component；Seat board under the bearing of support body, heighten
Backing plate, pre-embedded steel slab are fastened by screw rod, clamp nut；Bearing upper base plate is bolted in beam body.
A kind of to heighten construction method suitable for bridge, this method comprises the following steps：
First, clamp nut is removed；
Secondly, screw rod is fully screwed into anchoring sleeve, then jack up girder, make pre-embedded steel slab and bearing upper base plate or bearing
Lower seat board produces sufficient space, and pad, which is set, needs the height adjusting cushion plate of height, the anchoring cartridge on the through hole and pre-embedded steel slab of height adjusting cushion plate
Cylinder mounting hole alignment, then falls beam, and seat board under height adjusting cushion plate and bearing upper base plate or bearing is compressed, and back-outs screw rod and protrudes bearing
Upper base plate lower surface certain altitude；
Seat board under clamp nut compressing support upper base plate or bearing is finally installed.
Beneficial effects of the present invention：The present invention solves existing backing plate height-adjustable supports by increasing the height of undersetting basin plug
To take out upper bracket plate anchor bolt, the height of height-adjustable supports body is reduced, the manufacturing cost of bearing is reduced, operation is heightened
It is convenient, 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 a kind of height-adjustable supports structural representation embodiment one suitable for bridge；
Fig. 2 is a kind of height-adjustable supports structural representation embodiment two suitable for bridge；
Fig. 3 removes clamp nut for a kind of height-adjustable supports embodiment one suitable for bridge, is screwed into the structural representation of screw rod
Figure；
Fig. 4 is that a kind of height-adjustable supports embodiment one suitable for bridge adds height adjusting cushion plate structural representation；
Fig. 5 is that a kind of height-adjustable supports embodiment one suitable for bridge back-outs screw rod, installs clamp nut structural representation；
Fig. 6 is anchoring sleeve modular construction schematic diagram；
Fig. 7 is the structural representation of screw rod embodiment one；
Fig. 8 is the structural representation of screw rod embodiment two；
The corresponding component names are marked to be in accompanying drawing：1- anchoring sleeve components；11- anchoring sleeve shroudings；12- anchoring cartridges
Cylinder；2- pre-embedded steel slabs；3- support bodies；31- bearing upper base plates；Seat board under 32- bearings；4- clamp nuts；5- screw rods；In 51-
Hex slot；52- screw bodies；53- outer-hexagonal heads；6- height adjusting cushion plates.
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 anchor suitable for bridge, as shown in figure 1, including pre-embedded steel slab 2, anchoring sleeve component 1, screw rod 5,
Clamp nut 4；
Referring to Fig. 6, anchoring sleeve component 1 is made up of anchoring sleeve shrouding 11, anchoring sleeve 12, the one end of anchoring sleeve 12
Outer wall uses stepped design, is easily installed positioning, and the end end face is closed provided with anchoring sleeve shrouding 11, prevents mortar from entering
In anchoring sleeve；Anchoring sleeve mounting hole is opened up on pre-embedded steel slab 2, anchoring sleeve 12 is installed in the hole；The one end of screw rod 5 is located at
In anchoring sleeve 12, the inside of anchoring sleeve 12 is that full thread or reach are more than the total length of screw rod 5；The other end of screw rod 5 is provided with
Clamp nut 4；
Screw rod 5 uses interior hexagonal screw rod without a head, or outer-hexagonal primary nut head；Referring to Fig. 7, the screw body 52 of screw rod 5
End face is provided with interior hex slot 51；Referring to Fig. 8, the end face of screw body 52 of screw rod 5 is provided with outer-hexagonal first 53；
A kind of height-adjustable supports suitable for bridge, referring to Fig. 1-5, including support body 3, height adjusting cushion plate 6；Support body 3
Can be the forms such as rubber support, pot bearing, spherical bearing, it includes seat board 32 under bearing upper base plate 31, bearing；Height adjusting cushion plate
Opened up on 6 with the corresponding through hole of pre-embedded steel slab 2, be easy to the installation of screw rod 5；
Embodiment 1
Pre-embedded steel slab 2 is embedded on the downside of beam body, and anchoring sleeve component 1 is embedded in beam body；Screw rod 5 runs through bearing upper base plate
It is located at after 31 in anchoring sleeve 12, then pre-embedded steel slab 2 and bearing upper base plate 31 is fastened by clamp nut 4；Seat board 32 under bearing
It is bolted on pier body, referring to Fig. 1；
Embodiment 2
Pre-embedded steel slab 2 is embedded on the downside of pier body, and anchoring sleeve component 1 is embedded in pier body；Screw rod 5 runs through seat board under bearing
32 are located in anchoring sleeve 12, then fasten pre-embedded steel slab 2 and seat board 32 under bearing by clamp nut 4；The spiral shell of bearing upper base plate 31
Bolt is fixed in beam body, referring to Fig. 2.
Embodiment 3
Referring to Fig. 4-5, height adjusting cushion plate 6 is located on bearing upper base plate 31, and the screw thread of screw rod 5 passes through bearing upper base plate 31, heightened
Backing plate 6 and pre-embedded steel slab 2, then fastened by clamp nut 4；
Similarly, height adjusting cushion plate 6 also may be provided under pre-embedded steel slab 2 and bearing between seat board 32；
A kind of construction method of heightening suitable for bridge is：
First, clamp nut 4 is removed；
Secondly, screw rod 5 is fully screwed into anchoring sleeve 12, then jack up girder, make pre-embedded steel slab 2 and bearing upper base plate 31
Sufficient space is produced, pad, which is set, needs the anchoring sleeve on the height adjusting cushion plate 6 of height, the through hole and pre-embedded steel slab of height adjusting cushion plate to install
Hole is alignd, and then falls beam, height adjusting cushion plate 6 is compressed with bearing upper base plate 31, is back-outed screw rod 5 and is protruded bearing upper base plate lower surface one
Fixed height；
The compressing support upper base plate 31 of clamp nut 4 is finally installed.
The present invention equally can the pre-buried such a form of seat board under bearing anchor, under bearing under seat board cushioning adjust
High backing plate, can equally realize heightening for bridge, such as Fig. 2.
A kind of anchor and height-adjustable supports suitable for bridge that the present invention is provided, solves existing backing plate height-adjustable supports
Upper bracket plate anchor bolt is taken out by increasing the height of undersetting basin plug, the height of height-adjustable supports body is reduced, reduced
The manufacturing cost of bearing, heightens simple operation, 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 (10)
1. a kind of anchor suitable for bridge, it is characterised in that including pre-embedded steel slab (2), anchoring sleeve component (1), spiral shell
Bar (5), clamp nut (4)；
The anchoring sleeve component (1) is made up of anchoring sleeve shrouding (11), anchoring sleeve (12)；On the pre-embedded steel slab (2)
Anchoring sleeve mounting hole is opened up, anchoring sleeve (12) is installed in the hole；Described screw rod (5) one end is located at anchoring sleeve (12)
Interior, the other end is provided with clamp nut (4).
2. a kind of anchor suitable for bridge according to claim 1, it is characterised in that the anchoring sleeve (12)
One end outer wall uses stepped design, and the end end face is closed provided with anchoring sleeve shrouding (11).
3. a kind of anchor suitable for bridge according to claim 2, it is characterised in that the anchoring sleeve (12)
Inside is that full thread or reach are more than screw rod (5) total length.
4. a kind of anchor suitable for bridge according to claim 3, it is characterised in that the screw rod (5) uses
Interior hexagonal screw rod without a head, or outer-hexagonal primary nut head.
5. a kind of anchor suitable for bridge according to claim 4, it is characterised in that the spiral shell of the screw rod (5)
Bar main body (52) end face is provided with interior hex slot (51) or other inner trough structures；Or the screw body (52) one of the screw rod (5)
End face is provided with outer-hexagonal head (53) or other boss structures.
6. a kind of height-adjustable supports suitable for bridge, it is characterised in that including support body (3), height adjusting cushion plate (6)；The branch
Seat body (3) is rubber support, pot bearing or spherical bearing form, and it includes seat board under bearing upper base plate (31), bearing
(32)；Through hole corresponding with pre-embedded steel slab (2) is opened up on the height adjusting cushion plate (6).
7. a kind of height-adjustable supports suitable for bridge according to claim 6, it is characterised in that the support body (3)
Connect pre-embedded steel slab (2) and pier body or beam body；The height adjusting cushion plate (6) be located at pre-embedded steel slab (2) and bearing upper base plate (31) or
Under bearing between seat board (32).
8. a kind of height-adjustable supports suitable for bridge according to claim 7, it is characterised in that the pre-embedded steel slab (2)
It is embedded in by anchoring sleeve component (1) on the downside of beam body；It is the bearing upper base plate (31) of support body (3), height adjusting cushion plate (6), pre-
Steel plate (2) is buried to fasten by screw rod (5), clamp nut (4)；Seat board (32) is bolted on pier body under bearing.
9. a kind of height-adjustable supports suitable for bridge according to claim 7, it is characterised in that the pre-embedded steel slab (2)
It is embedded in by anchoring sleeve component (1) on the downside of pier body；It is seat board (32) under the bearing of support body (3), height adjusting cushion plate (6), pre-
Steel plate (2) is buried to fasten by screw rod (5), clamp nut (4)；Bearing upper base plate (31) is bolted in beam body.
10. a kind of heighten construction method suitable for bridge, it is characterised in that this method comprises the following steps：
First, clamp nut is removed；
Secondly, screw rod is fully screwed into anchoring sleeve, then jack up girder, make pre-embedded steel slab and seat under bearing upper base plate or bearing
Plate produces sufficient space, and pad, which is set, needs the height adjusting cushion plate of height, the anchoring sleeve peace on the through hole and pre-embedded steel slab of height adjusting cushion plate
Hole alignment is filled, then falls beam, seat board under height adjusting cushion plate and bearing upper base plate or bearing is compressed, back-outs screw rod and protrudes the bearing seat of honour
Plate lower surface certain altitude；
Seat board under clamp nut compressing support upper base plate or bearing is finally installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647223.0A CN107268430B (en) | 2017-08-01 | 2017-08-01 | Anchoring device suitable for beam bridge, heightening support and construction method of heightening support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710647223.0A CN107268430B (en) | 2017-08-01 | 2017-08-01 | Anchoring device suitable for beam bridge, heightening support and construction method of heightening support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107268430A true CN107268430A (en) | 2017-10-20 |
| CN107268430B CN107268430B (en) | 2023-09-19 |
Family
ID=60075587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710647223.0A Active CN107268430B (en) | 2017-08-01 | 2017-08-01 | Anchoring device suitable for beam bridge, heightening support and construction method of heightening support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107268430B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881901A (en) * | 2017-11-25 | 2018-04-06 | 许舰 | A kind of municipal bridge pier and the pre-buried contact of beam body |
| 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 |
| CN108824203A (en) * | 2018-07-09 | 2018-11-16 | 贵州新联爆破工程集团有限公司 | A kind of gradient precast beam support leveling device |
| CN110158480A (en) * | 2019-06-17 | 2019-08-23 | 南京博瑞吉工程技术有限公司 | The height regulation method of beam body at a kind of bridge pad |
| CN110438892A (en) * | 2019-08-07 | 2019-11-12 | 株洲时代新材料科技股份有限公司 | Girder falling damps drag-line friction pendulum support |
| CN114481820A (en) * | 2021-12-24 | 2022-05-13 | 柳州东方工程橡胶制品有限公司 | Portable height-adjusting intelligent monitoring support |
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|---|---|---|---|---|
| GB1136325A (en) * | 1966-09-28 | 1968-12-11 | Heilmann & Littmann Bau Ag | Improvements in and relating to anchor heads for the prestressing of concrete |
| CN201513443U (en) * | 2009-11-04 | 2010-06-23 | 衡水市橡胶总厂有限公司 | Pre-embedded bolt |
| CN205382403U (en) * | 2015-12-31 | 2016-07-13 | 同济大学 | Intelligence cable shock attenuation benzvalene form support |
| CN207244435U (en) * | 2017-08-01 | 2018-04-17 | 中国铁路设计集团有限公司 | A kind of anchor and height-adjustable supports suitable for beam bridge |
-
2017
- 2017-08-01 CN CN201710647223.0A patent/CN107268430B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1136325A (en) * | 1966-09-28 | 1968-12-11 | Heilmann & Littmann Bau Ag | Improvements in and relating to anchor heads for the prestressing of concrete |
| CN201513443U (en) * | 2009-11-04 | 2010-06-23 | 衡水市橡胶总厂有限公司 | Pre-embedded bolt |
| CN205382403U (en) * | 2015-12-31 | 2016-07-13 | 同济大学 | Intelligence cable shock attenuation benzvalene form support |
| CN207244435U (en) * | 2017-08-01 | 2018-04-17 | 中国铁路设计集团有限公司 | A kind of anchor and height-adjustable supports suitable for beam bridge |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107881901A (en) * | 2017-11-25 | 2018-04-06 | 许舰 | A kind of municipal bridge pier and the pre-buried contact of beam body |
| CN107881901B (en) * | 2017-11-25 | 2021-04-23 | 绍兴市麦芒智能科技有限公司 | Pre-buried contact of municipal administration pier and roof beam body |
| 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 |
| CN108824203A (en) * | 2018-07-09 | 2018-11-16 | 贵州新联爆破工程集团有限公司 | A kind of gradient precast beam support leveling device |
| CN110158480A (en) * | 2019-06-17 | 2019-08-23 | 南京博瑞吉工程技术有限公司 | The height regulation method of beam body at a kind of bridge pad |
| CN110158480B (en) * | 2019-06-17 | 2021-11-19 | 南京博瑞吉工程技术有限公司 | Elevation adjusting method for beam body at bridge support |
| CN110438892A (en) * | 2019-08-07 | 2019-11-12 | 株洲时代新材料科技股份有限公司 | Girder falling damps drag-line friction pendulum support |
| CN110438892B (en) * | 2019-08-07 | 2021-06-15 | 株洲时代新材料科技股份有限公司 | Anti-falling beam damping stay rope friction pendulum support |
| CN114481820A (en) * | 2021-12-24 | 2022-05-13 | 柳州东方工程橡胶制品有限公司 | Portable height-adjusting intelligent monitoring support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107268430B (en) | 2023-09-19 |
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Address after: No. 201, Ligang building, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Patentee after: CHINA RAILWAY DESIGN Corp. Country or region after: China Patentee after: Shangde Technology (Anhui) Co.,Ltd. Address before: No. 201, Ligang building, No. 82, West 2nd Road, Tianjin Binhai New Area pilot free trade zone (Airport Economic Zone) Patentee before: CHINA RAILWAY DESIGN Corp. Country or region before: China Patentee before: ANHUI SHOULDER TECHNOLOGY Co.,Ltd. |