CN108149581A - A kind of adjustable for height bent cap stent and method - Google Patents
A kind of adjustable for height bent cap stent and method Download PDFInfo
- Publication number
- CN108149581A CN108149581A CN201810014458.0A CN201810014458A CN108149581A CN 108149581 A CN108149581 A CN 108149581A CN 201810014458 A CN201810014458 A CN 201810014458A CN 108149581 A CN108149581 A CN 108149581A
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- China
- Prior art keywords
- screw rod
- pieces
- adjustable
- bent cap
- pier stud
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Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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 adjustable for height bent cap stent and methods, belong to technical field of bridge construction.The adjustable for height bent cap stent is fixed on pier stud, the pier stud is equipped with a preformed hole, a rod iron is equipped in the preformed hole, and the both ends of the rod iron are exposed on the pier stud, steel jacket box is arranged on the both ends of the rod iron, and steel jacket box lateral surface opposite with the two of the pier stud contacts, the steel jacket box is equipped with the lowering device for being used to support falsework.Adjustable for height bent cap stent of the present invention can facilitate the Demolition Construction of falsework using structural principle, flexible modulation height.
Description
Technical field
The present invention relates to technical field of bridge construction, and in particular to a kind of adjustable for height bent cap stent and method.
Background technology
With the increasing that country puts into infrastructure field, more and more highways are in and build it on a large scale
In.Bent cap is the load to support, being distributed and transmitting superstructure, the crossbeam set at the top of pile bent pier.Its main function
It is supporting bridge superstructure, and whole load is passed into substructure.Therefore bent cap is the important component in bridge, but
It is in current bent cap support cast-in-place construction, since falsework is difficult to that height is adjusted flexibly, causes to be difficult to after the completion of construction
Falsework dismounting is carried out from top to bottom, easily finished product concrete structure is damaged or even caused security risk.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of adjustable for height bent cap stent and method, the height
Adjustable bent cap stent can facilitate the Demolition Construction of falsework using structural principle, flexible modulation height.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of adjustable for height bent cap stent, is fixed on pier stud, and the pier stud is equipped with a preformed hole, the preformed hole
In be equipped with a rod iron, and the both ends of the rod iron are exposed on the pier stud, be arranged with steel jacket box on the both ends of the rod iron,
And steel jacket box lateral surface opposite with the two of the pier stud contacts, the steel jacket box is equipped with and is used to support unloading for falsework
Dropping control device；The lowering device includes two pieces of wedge blocks, backing plate, screw rod and nut, two pieces of wedge shapes lower wedge in the block
Block is set on the steel jacket box, and the inclined-plane of two pieces of wedge blocks is oppositely arranged, and the screw rod passes through two pieces of wedge blocks, institute
It states backing plate to be placed on screw rod and contact with the side of the wedge block, the spiro cap is set on the both sides of the screw rod and can be with
The backing plate is in contact.
Further, two pieces of wedge blocks can form a kind of cuboid, center of the screw rod along the class cuboid
Axially across.
Further, the backing plate is two pieces, and two pieces of backing plates, which are respectively sleeved on the screw rod, is located at two pieces of wedges
Both sides of the shape block and side larger with the area of two pieces of wedge blocks contacts.
Further, the thickness of each wedge block is 4-6cm, trapezoidal in the trapezoid cross section of each wedge block
The a length of 20-30cm of right-angle side in section, a length of 4-6cm in top, following a length of 18-22cm.
Further, the length and width of the backing plate is 4-6cm, thickness 1-2cm.
Further, a diameter of 16-24mm of the screw rod, the length of the screw rod are 50-70cm, the length of the nut
It spends for 4-6cm.
Further, a diameter of 90-110mm of the preformed hole, a diameter of 95-105mm of the rod iron.
Further, the both ends of the rod iron exceed the pier stud outer surface 30-50cm respectively.
The present invention also provides a kind of construction form removal methods of the adjustable for height bent cap stent, include the following steps：
(1) first, when pier stud is constructed, a preformed hole is reserved at the top close to the pier stud；
(2) after the pier stud completion, a rod iron is penetrated into preformed hole, and rod iron both ends exceed pier stud outer surface respectively；
(3) it is inserted in steel jacket box respectively at the both ends of the rod iron, using the support base as the lowering device；
(4) lowering device is placed in the top surface of the steel jacket box, using the support system as falsework；
(5) wedge block, backing plate are pulled together by the lowering device by screw rod, and two pieces of wedge shapes are limited by nut
Block relatively moves, and falsework load action is at the top of two pieces of wedge shapes upper wedge block in the block so that two wedge blocks
Have the tendency that relatively moving along inclined-plane, this trend is converted into the axle center pulling force of screw rod；
(6) absolute altitude of wedge block is adjusted by rotation of the nut on screw rod, when the nut of both sides goes in the same direction rotation,
Then absolute altitude increases, and goes rotation when the nut of both sides is opposite, then absolute altitude reduction；When nut is opposite and go rotation, wedge block mark
Height reduces, you can reserves sufficient space, that realizes falsework drops dismounting.
In conclusion by adopting the above-described technical solution, beneficial effects of the present invention are：
(1) lowering device in the present invention includes wedge block, backing plate, screw rod and nut, makes the height of bent cap stent can be with
Flexible modulation is obtained, the absolute altitude of wedge block is adjusted by rotation of the nut on screw rod, is turned when the nut of both sides goes in the same direction
Dynamic, then absolute altitude increases, and rotation, then absolute altitude reduction, therefore the rotation by nut on screw rod are gone when the nut of both sides is opposite
The adjusting of the final height for realizing bent cap stent.Therefore, adjustable for height bent cap stent of the present invention can utilize structure
Principle, flexible modulation height facilitate the Demolition Construction of falsework.
(2) present invention optimizes setting by the dimensional parameters to wedge block and backing plate, screw rod, nut etc., makes wedge shape
Fitness between block and backing plate, screw rod and nut is more coordinated, and lowering device is made to play better support to falsework
Effect, the flexible modulation being more convenient for bent cap support height.And the method for the present invention is simple and effective, it is easy to accomplish.
Description of the drawings
Fig. 1 is a kind of front view of adjustable for height bent cap stent of the embodiment of the present invention；
Fig. 2 is a kind of left view of adjustable for height bent cap stent of the embodiment of the present invention；
Fig. 3 is the structure diagram of lowering device in a kind of adjustable for height bent cap stent of the embodiment of the present invention.
In figure, 1- pier studs, 2- bent caps, 3- falsework longerons, 4- rod irons, 5- steel jacket boxes, 6- lowering devices, 61- wedge shapes
Block, 611- upper wedge blocks, 612- lower wedge blocks, 62- billets, 63- high-strength bolts, 64- nuts.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more phases
The arbitrary and all combination of the Listed Items of pass.
Embodiment
As shown in Figure 1-Figure 3, a kind of adjustable for height bent cap stent, is fixed on pier stud 1, and the pier stud 1 is equipped with one
Preformed hole (not shown) is equipped with a rod iron 4, a diameter of 90-110mm of the preformed hole, the rod iron 4 in the preformed hole
A diameter of 95-105mm.A diameter of 110mm of preformed hole in the present embodiment, a diameter of 105mm of the rod iron 4, so that steel
Stick 4 may pass through the preformed hole and fully cooperation, prevent rod iron 4 excessively loose in the preformed hole, influence the fixed effect of rod iron 4
Fruit.And the both ends of the rod iron 4 are exposed on the pier stud 1, specially the both ends of rod iron 4 exceed 1 appearance of pier stud respectively
Face 30-50cm preferably reserves enough skies in the present embodiment beyond the 1 outer surface 50cm of pier stud with the setting for steel jacket box 5
Between, make steel jacket box 5 that can be hung on the both ends of rod iron 4.Limit hole or limited block (not shown) can be also set at the both ends of rod iron 4, with
Steel jacket box 5 is fastened on rod iron 4.The steel jacket box 5 that shape is cuboid, and the steel are arranged on the both ends of the rod iron 4
The lateral surface opposite with the two of the pier stud 1 of casing 5 contacts.The steel jacket box 5 be equipped be used to support falsework drop dress
6 (in the dotted line frames in figure) are put, wherein falsework includes longeron 3, i.e. longeron 3 is supported on lowering device 6.
The lowering device 6 includes two pieces of wedge blocks, 61, two pieces of billets 62, screw rod 63 and nut 64, two pieces of wedges
Lower wedge block 612 in shape block 61 is set on the steel jacket box 5, and the inclined-plane of two pieces of wedge blocks 61 is oppositely arranged, described
Screw rod 63 passes through two pieces of wedge blocks 61, and two pieces of billets 62, which are respectively sleeved on screw rod 63, is located at two pieces of wedge blocks 61
The both sides and side larger with the area of two pieces of wedge blocks 61 contacts, for padding nut 64, the nut 64 is sheathed on
It can be in contact or abut with the billet 62 on the both sides of the screw rod 63 and after the nut 64 goes in the same direction rotation.Its
In, screw rod 63 is high-strength bolt.Wherein, two pieces of wedge blocks 61 can form a kind of cuboid, and the screw rod 63 is along the class
The central axial of cuboid passes through.Two nuts 64 adjust 64 spacing of nut by being relatively rotated on bolt 63 so that two wedge shapes
Block 61 is moved up and down along contact surface is opposite, achievees the purpose that adjust 611 top surface absolute altitude of upper wedge block.
The lowering device 6 allows the height of bent cap stent to obtain flexible modulation, by nut 64 on screw rod 63
It rotates to adjust the absolute altitude of wedge block 61, when the nut 64 of both sides goes in the same direction rotation, then absolute altitude raising, when the nut 64 of both sides
Opposite and go rotation, then absolute altitude reduces, therefore passes through the final height for realizing bent cap stent of rotation of the nut 64 on screw rod 63
The adjusting of degree.
Further, the thickness of each wedge block 61 is 4-6cm, in the trapezoid cross section of each wedge block 61,
The a length of 20-30cm of right-angle side of trapezoid cross section, a length of 4-6cm in top, following a length of 18-22cm.It is each described in the present embodiment
The thickness of wedge block 61 is preferably 5cm, and in the trapezoid cross section of each wedge block 61, the right angle length of side of trapezoid cross section is preferably
25cm, the upper length of side are preferably 5cm, and the lower length of side is preferably 20cm.Meanwhile the length and width of the billet 62 is 4-6cm,
Thickness is 1-2cm.The diameter 16-24mm of the screw rod 63, the length 50-70cm, the length 4- of the nut 64 of the screw rod
6cm.The length and width of billet 62 described in the present embodiment is 5cm, thickness 1.2cm.The diameter of the screw rod 63 is excellent
18mm is selected as, the length of the screw rod is preferably 66cm, and the length of the nut 64 is preferably 5.5cm.By to wedge block 61
Setting is optimized with the dimensional parameters of screw rod 63, nut 64, makes it of wedge block 61 and billet 62, screw rod 63 and nut 64
Between fitness more coordinate, lowering device 6 is made to play better supporting role to falsework, be more convenient for bent cap stent height
The flexible modulation of degree.
A kind of construction of adjustable for height bent cap stent of the embodiment of the present invention and form removal method, include the following steps：
(1) first, when pier stud 1 is constructed, along the axially vertical direction with bent cap 2 at the top close to the pier stud 1
The punching circular hole (i.e. preformed hole) of reserved 90-110mm diameters.
(2) after pier stud 1 completes, the rod iron 4 of 95-105mm diameters is penetrated into hole to be provided, 4 both ends of rod iron exceed pier stud 1 respectively
Outer surface 30-50cm.
(3) steel jacket box 5 that shape is cuboid, the support base as lowering device 6 are inserted at 4 both ends of rod iron.
(4) lowering device 6 is placed in 5 top surface of steel jacket box, using the support system as falsework.
(5) two pieces of wedge blocks, 61, two pieces of billets 62 are pulled together by lowering device 6 by screw rod 63, pass through nut 64
Limitation wedge block 61 relatively moves, upper wedge block 611 top of the falsework load action in two pieces of wedge blocks 61 so that
Two wedge blocks 61 have the tendency that relatively moving along inclined-plane, and this trend is converted into the axle center pulling force of screw rod 63.
(6) absolute altitude rotated to adjust wedge block 61 by nut 64 on screw rod 63, when the nut 64 of both sides is opposite
And go rotation, then absolute altitude increases, and rotation is gone when the nut 64 of both sides is opposite, then absolute altitude reduction.In falsework demolishing process,
Only need to be opposite by nut 64 and go rotation, reduction by 61 absolute altitude of wedge block can then reserve sufficient space, realize dropping for falsework
It removes.
Wherein step (1) to (5) is the construction method of adjustable for height bent cap stent, and step (6) is adjustable using height
Bent cap stent method that absolute altitude and form removal is adjusted.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, the equal variation or modification change completed under the technical spirit suggested by all present invention, should all belong to
Cover the scope of the claims in the present invention.
Claims (9)
1. a kind of adjustable for height bent cap stent, is fixed on pier stud, which is characterized in that the pier stud is equipped with a preformed hole,
A rod iron is equipped in the preformed hole, and the both ends of the rod iron are exposed on the pier stud, is covered on the both ends of the rod iron
Equipped with steel jacket box, and steel jacket box lateral surface opposite with the two of the pier stud contacts, and the steel jacket box is equipped with and is used to support
The lowering device of falsework；The lowering device includes two pieces of wedge blocks, backing plate, screw rod and nut, two pieces of wedge blocks
In lower wedge block be set on the steel jacket box, the inclined-plane of two pieces of wedge blocks is oppositely arranged, and the screw rod passes through described
Two pieces of wedge blocks, the backing plate are placed on screw rod and are contacted with the side of the wedge block, and the spiro cap is set on the screw rod
Both sides on and can be in contact with the backing plate.
2. adjustable for height bent cap stent according to claim 1, which is characterized in that two pieces of wedge blocks can form one
Class cuboid, the screw rod are passed through along the central axial of class cuboid.
3. adjustable for height bent cap stent according to claim 1, which is characterized in that the backing plate is two pieces, two pieces of institutes
Backing plate is stated to be respectively sleeved on the screw rod positioned at the both sides of two pieces of wedge blocks and larger with the area of two pieces of wedge blocks
Side contact.
4. adjustable for height bent cap stent according to claim 1, which is characterized in that the thickness of each wedge block is
4-6cm, in the trapezoid cross section of each wedge block, a length of 20-30cm of right-angle side of trapezoid cross section, a length of 4-6cm in top, under
The length of side is 18-22cm.
5. adjustable for height bent cap stent according to claim 1, which is characterized in that the length and width of the backing plate is equal
For 4-6cm, thickness 1-2cm.
6. adjustable for height bent cap stent according to claim 1, which is characterized in that a diameter of 16- of the screw rod
24mm, the length of the screw rod is 50-70cm, and the length of the nut is 4-6cm.
7. adjustable for height bent cap stent according to claim 1, which is characterized in that a diameter of 90- of the preformed hole
110mm, a diameter of 95-105mm of the rod iron.
8. adjustable for height bent cap stent according to claim 1, which is characterized in that the both ends of the rod iron exceed respectively
The pier stud outer surface 30-50cm.
A kind of 9. construction form removal method of the adjustable for height bent cap stent of claim 1-8 any one of them, which is characterized in that
Include the following steps：
(1) first, when pier stud is constructed, a preformed hole is reserved at the top close to the pier stud；
(2) after the pier stud completion, a rod iron is penetrated into preformed hole, and rod iron both ends exceed pier stud outer surface respectively；
(3) it is inserted in steel jacket box respectively at the both ends of the rod iron, using the support base as the lowering device；
(4) lowering device is placed in the top surface of the steel jacket box, using the support system as falsework；
(5) wedge block, backing plate are pulled together by the lowering device by screw rod, and two pieces of wedge block phases are limited by nut
To movement, falsework load action is at the top of two pieces of wedge shapes upper wedge block in the block so that two wedge blocks have edge
The trend of inclined-plane relative movement, this trend is converted into the axle center pulling force of screw rod；
(6) absolute altitude of wedge block is adjusted by rotation of the nut on screw rod, when the nut of both sides goes in the same direction rotation, then marked
Height raising goes rotation, then absolute altitude reduction when the nut of both sides is opposite；When nut is opposite and go rotation, wedge block absolute altitude drops
It is low, you can to reserve sufficient space, that realizes falsework drops dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014458.0A CN108149581A (en) | 2018-01-08 | 2018-01-08 | A kind of adjustable for height bent cap stent and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014458.0A CN108149581A (en) | 2018-01-08 | 2018-01-08 | A kind of adjustable for height bent cap stent and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108149581A true CN108149581A (en) | 2018-06-12 |
Family
ID=62461148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810014458.0A Pending CN108149581A (en) | 2018-01-08 | 2018-01-08 | A kind of adjustable for height bent cap stent and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108149581A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708297A (en) * | 2018-08-08 | 2018-10-26 | 云南公投建设集团第九工程有限公司 | Punching stick anchor ear support device |
| CN108842590A (en) * | 2018-09-18 | 2018-11-20 | 王燕春 | The method and bridge of bridge are built for the stiffness bearer of bridge construction, without bracket |
| CN108930224A (en) * | 2018-08-08 | 2018-12-04 | 云南公投建设集团第九工程有限公司 | Punching stick method bent cap supports regulating system construction method |
| CN109594437A (en) * | 2019-01-25 | 2019-04-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of simple adjustable supporting system of track and its construction method |
| CN109989356A (en) * | 2019-05-14 | 2019-07-09 | 广西路桥工程集团有限公司 | For pier stud binder and the lowering device of bent cap bracket Pass line adjustment |
| CN111335170A (en) * | 2020-03-10 | 2020-06-26 | 中铁北京工程局集团北京有限公司 | Bent cap supports insurance system |
| CN115233550A (en) * | 2022-07-01 | 2022-10-25 | 湖北工建基础设施建设有限公司 | Construction process of rectangular pier capping beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143934A1 (en) * | 1981-11-05 | 1983-08-25 | Eberspächer GmbH, 7312 Kirchheim | Holding and braking device for the superstructure of bridges |
| CN204919347U (en) * | 2015-08-07 | 2015-12-30 | 山西四建集团有限公司 | Iron wedge support system with adjustable pier is accepted bent cap construction and is used |
| CN105332341A (en) * | 2014-08-08 | 2016-02-17 | 葛洲坝集团第六工程有限公司 | Bailey truss installation and dismounting apparatus |
| CN206784186U (en) * | 2017-05-26 | 2017-12-22 | 中国十九冶集团有限公司 | Bent cap crossbeam support |
| CN207727441U (en) * | 2018-01-08 | 2018-08-14 | 广西路桥工程集团有限公司 | A kind of adjustable for height bent cap holder |
-
2018
- 2018-01-08 CN CN201810014458.0A patent/CN108149581A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3143934A1 (en) * | 1981-11-05 | 1983-08-25 | Eberspächer GmbH, 7312 Kirchheim | Holding and braking device for the superstructure of bridges |
| CN105332341A (en) * | 2014-08-08 | 2016-02-17 | 葛洲坝集团第六工程有限公司 | Bailey truss installation and dismounting apparatus |
| CN204919347U (en) * | 2015-08-07 | 2015-12-30 | 山西四建集团有限公司 | Iron wedge support system with adjustable pier is accepted bent cap construction and is used |
| CN206784186U (en) * | 2017-05-26 | 2017-12-22 | 中国十九冶集团有限公司 | Bent cap crossbeam support |
| CN207727441U (en) * | 2018-01-08 | 2018-08-14 | 广西路桥工程集团有限公司 | A kind of adjustable for height bent cap holder |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708297A (en) * | 2018-08-08 | 2018-10-26 | 云南公投建设集团第九工程有限公司 | Punching stick anchor ear support device |
| CN108930224A (en) * | 2018-08-08 | 2018-12-04 | 云南公投建设集团第九工程有限公司 | Punching stick method bent cap supports regulating system construction method |
| CN108842590A (en) * | 2018-09-18 | 2018-11-20 | 王燕春 | The method and bridge of bridge are built for the stiffness bearer of bridge construction, without bracket |
| CN109594437A (en) * | 2019-01-25 | 2019-04-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of simple adjustable supporting system of track and its construction method |
| CN109989356A (en) * | 2019-05-14 | 2019-07-09 | 广西路桥工程集团有限公司 | For pier stud binder and the lowering device of bent cap bracket Pass line adjustment |
| CN111335170A (en) * | 2020-03-10 | 2020-06-26 | 中铁北京工程局集团北京有限公司 | Bent cap supports insurance system |
| CN115233550A (en) * | 2022-07-01 | 2022-10-25 | 湖北工建基础设施建设有限公司 | Construction process of rectangular pier capping beam |
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Application publication date: 20180612 |