CN207259944U - CFST Arch Bridge arch springing fixed structure - Google Patents
CFST Arch Bridge arch springing fixed structure Download PDFInfo
- Publication number
- CN207259944U CN207259944U CN201721056655.6U CN201721056655U CN207259944U CN 207259944 U CN207259944 U CN 207259944U CN 201721056655 U CN201721056655 U CN 201721056655U CN 207259944 U CN207259944 U CN 207259944U
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- Prior art keywords
- fixed plate
- fixed seat
- fixed
- built
- pipe
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Abstract
The utility model discloses a kind of CFST Arch Bridge arch springing fixed structure,During for Concrete Filled provided box in the prior art in provided box the problem of generation cavity,Provide following technical scheme,A kind of CFST Arch Bridge arch springing fixed structure,Including the lower fixed seat being embedded in concrete saddle and the built-in pipe being fixedly connected on lower fixed seat,The presstressed reinforcing steel to form rack is fixedly connected with lower fixed seat,Upper fixed seat is fixedly connected with presstressed reinforcing steel,The insertion hole for built-in pipe insertion is provided with fixed seat,Fixed seat is equipped with the reinforcing rib being fixedly connected with built-in pipe,In casting concrete,The grid of rack of the concrete between upper fixed seat and lower fixed seat is directly entered in rack,Perforation can smoothly be drained inside and outside the grid that air passes through rack,Concrete can be filled gradually in whole rack directly up,It is not to form cavity,And then in concrete setting,Form a compact-sized entirety.
Description
Technical field
Bridge field is the utility model is related to, more specifically, it relates to a kind of CFST Arch Bridge arch springing fixed knot
Structure.
Background technology
CFST Arch Bridge be the steel pipe for using interior fill concrete for a kind of bridge of building materials, two ends of arch bridge
Referred to as arch springing, arch springing bear the effect of the various power of the application of arch bridge.
At present, the shape of concrete is put in the connection of the main arch foot and skewback of CFST Arch Bridge into using built-in pipe
Formula, built-in pipe are welded to connect with main arch foot using fixation, and in the prior art, the Chinese patent that notification number is CN205874954 is public
A kind of CFST Arch Bridge arch springing fixed structure has been opened, it includes built-in pipe and the provided box being embedded in concrete saddle,
Concrete saddle in advance use concreting pit-hole, the babinet for the bottom opening that provided box is made of five steel plates, in advance
The top plate opposite with opening of pipe laying through provided box is fixed and part is pierced by babinet, although this provided box can hold built-in pipe
By certain pressure and pulling force, but pour into a mould concrete when, Open Side Down sets for provided box, and concrete is by provided box bottom
Opening is into provided box and being filled between reinforcing rib, and due to the closed setting in the top of provided box, in filling process, and concrete
Enter provided box in large area and make to have portion of air in provided box and be plugged in provided box and cannot drain, this part is empty
Gas produces high pressure after being squeezed and hinders the concrete for subsequently entering provided box, so as to produce cavity in provided box, causes
The concrete leakiness into provided box is filled, and then influences the intensity of provided box.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of CFST Arch Bridge arch springing
Fixed structure, there is the pre-buried structure in Concrete Filled pre-buried structure not produce cavity, pre-buried structure is wrapped up with concrete
The advantages of degree is high.
To achieve the above object, the utility model provides following technical solution：
A kind of CFST Arch Bridge arch springing fixed structure, including the lower fixed seat that is embedded in concrete saddle and solid
Surely the built-in pipe being connected on lower fixed seat, is fixedly connected with the presstressed reinforcing steel to form rack on the lower fixed seat, described pre-
Upper fixed seat is fixedly connected with stress rib, the insertion hole for built-in pipe insertion is provided with fixed seat, it is fixed
Seat is equipped with the reinforcing rib being fixedly connected with built-in pipe.
Using above-mentioned technical proposal, lower fixed seat is embedded in concrete saddle, is fixedly connected on lower fixed seat some
Presstressed reinforcing steel, presstressed reinforcing steel can increase the anti-pressure ability of upper fixed seat and lower fixed seat, and steel shape is into rack, presstressed reinforcing steel
One end away from lower fixed seat is fixedly connected with upper fixed seat, and built-in pipe is from the insertion that inserts in the hole of upper fixed seat, then fixed company
Be connected on lower fixed seat, upper fixed seat and lower fixed seat are fixed at the same time, and installation is firm, in addition, on upper fixed seat equipped with it is pre-
The reinforcing rib that pipe laying is fixed, further enhancing the stability of built-in pipe fixation；In casting concrete, concrete is from upper fixation
The grid of rack between seat and lower fixed seat is directly entered in rack, and perforation can be smooth inside and outside the grid that air passes through rack
To drain, concrete can be filled gradually in whole rack directly up, be not to form cavity, and then in concrete setting, shape
The entirety compact-sized into one.
Preferably, fixed seat include the first fixed plate, the second fixed plate below the first fixed plate and
The first screwed assembly that first fixed plate is connected with the second fixed plate, the lower fixed seat include the 3rd fixed plate, position
The 4th fixed plate below the 3rd fixed plate and the second threaded connection group for being connected the 3rd fixed plate with the 4th fixed plate
Part.
Using above-mentioned technical proposal, upper fixed seat is assembled by the first fixed plate and the second fixed plate by the first threaded components
Form, lower fixed seat is assembled by the 3rd fixed plate with the 4th fixed plate by the second threaded components, convenient processing and life
Production.
Preferably, shape between first fixed plate and the second fixed plate and between the 3rd fixed plate and the 4th fixed plate
Into sprue gate.
Using above-mentioned technical proposal, between the first fixed plate and the second fixed plate and the 3rd fixed plate and the 4th fixed plate
Between form sprue gate, Concrete Filled can strengthen tensile strength and the resistance to compression of upper fixed seat and lower fixed seat between sprue gate
Intensity, and the weight and rapidoprint of upper fixed seat and lower fixed seat are saved, save manufacture cost.
Preferably, the presstressed reinforcing steel is distributed between upper fixed seat and lower fixed seat along built-in pipe even circumferential.
Using above-mentioned technical proposal, presstressed reinforcing steel two along built-in pipe even circumferential be distributed in the second fixed plate bottom and
The top surface of 3rd fixed plate, can make upper fixed seat and lower fixed seat force balance, increase the stability of built-in base.
Preferably, the bottom surface of second fixed plate and the bottom surface of the 4th fixed plate are smooth inverted cone surface, and first is solid
The bottom surface of fixed board and the 3rd fixed plate is the smooth conical surface.
Using above-mentioned technical proposal, the bottom surface of the bottom surface of the second fixed plate and the 4th fixed plate is smooth inverted cone surface,
The bottom surface of first fixed plate and the 3rd fixed plate is the smooth conical surface, pour into a mould concrete when, concrete along the 4th fixed plate to
On be filled in the gap in upper fixed seat and lower fixed seat, air can drain along the set conical surface, inverted cone surface, increase coagulation
Soil is filled in the compaction rate in pre-buried structure.
Preferably, the edge of second fixed plate and the 4th fixed plate bottom surface is equipped with concave edge, and first screw thread connects
Fitting and the second threaded connector are installed in concave edge.
Using above-mentioned technical proposal, the edge of the second fixed plate and the 4th fixed plate bottom surface is equipped with concave edge, concave edge structure
Simply, easy processing, in addition, the first threaded connector and the second connector are installed in concave edge, makes the first fixed plate and second
The connection of fixed plate and the 3rd fixed plate and the 4th fixed plate is more firm.
In conclusion the utility model has the advantages that：
1. upper fixed seat is fixedly connected with lower fixed seat with built-in pipe, pass through presstressed reinforcing steel between upper fixed seat and built-in pipe
Rack is formed, during Concrete Filled, air can smoothly be drained by rack without forming cavity, improve the strong of pre-buried structure
Degree；
2. upper fixed seat is connected with lower fixed seat by presstressed reinforcing steel, on the one hand improves built-in base and bear pressure prestressing force
The rack that muscle is formed adds the parcel degree between concrete and built-in base, on the other hand adds the intensity of built-in base and resists
Drawing ability；
3. upper fixed seat and lower fixed seat are using assembling, convenient production is with processing.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the enlarged diagram in A portions in Fig. 1;
Fig. 3 is the enlarged diagram in B portions in Fig. 1；
Fig. 4 is the enlarged diagram in C portions in Fig. 1.
In figure：1st, built-in pipe；2nd, built-in base；20th, upper fixed seat；201st, the first fixed plate；202nd, the second fixed plate；
203rd, the first screwed assembly；204th, the first bolt；205th, the first nut；206th, the first concave edge；21st, lower fixed seat；210、
3rd fixed plate；211st, the 4th fixed plate；212nd, the second concave edge；213rd, the second screwed assembly；214th, the second bolt；215、
Second nut；3rd, first through hole；4th, the second through hole；5th, groove；6th, presstressed reinforcing steel；7th, sprue gate；8th, reinforcing rib；81st, connection is logical
Groove；9th, rack；10th, cavity；11st, the conical surface；12nd, inverted cone surface；13rd, it is inserted into hole；14th, concave edge.
Embodiment
With reference to the accompanying drawings and embodiments, the utility model is described in detail.
Referring to Fig. 1 and Fig. 2, a kind of CFST Arch Bridge arch springing fixed structure, including built-in pipe 1 and it is embedded in coagulation
Built-in base 2 in native skewback, built-in base 2 include supplying the upper fixed seat 20 of 1 grafting of built-in pipe and are used to support under built-in pipe 1
Fixed seat 21, upper fixed seat 20 are equipped with the insertion hole 13 being inserted into for built-in pipe 1, the side of 20 bottom surface of upper fixed seat with lower fixed seat 21
The edge of 21 bottom surface of edge and lower fixed seat is equipped with concave edge 14, upper fixed seat 20 include bottom surface for taper the first fixed plate 201,
Bottom surface below the first fixed plate 201 is the second fixed plate 202 and the first screwed assembly 203 of back taper, the
One screwed assembly 203 includes the first bolt 204 and the first nut 205, and concave edge 14 includes the bottom surface of the second fixed plate 202
The first concave edge 206 that the first nut of confession 205 that edge is equipped with is installed, the first bolt 204 pass through the first fixed plate 201 and second
Fixed plate 202 is connected with positioned at the first nut 205 of 202 bottom surface of the second fixed plate, insertion hole 13 include the first fixed plate 201 with
Second fixed plate 202 is equipped with the first through hole 3 for 1 grafting of built-in pipe, and the diameter of first through hole 3 is more than the diameter of built-in pipe 1, under
Fixed seat 21 includes the 3rd fixed plate 210, the 4th fixed plate 211 below the 3rd fixed plate 210 and is fixed the 3rd
The second screwed assembly 213 that plate 210 is connected with the 4th fixed plate 211, the second screwed assembly 213 include the second bolt
214 and second nut 215.
Referring to Fig. 1 and Fig. 3, concave edge 14 further includes the confession second that the edge of the bottom surface of 211 cavity 10 of the 4th fixed plate is equipped with
The second concave edge 212 that bolt 214 is installed, the second bolt 214 pass through 211 cavity of the 4th fixed plate, 10 bottom surface and the 3rd fixed plate
210 racks 9 are connected with the second nut 215 positioned at 210 rack of the 3rd fixed plate, 9 top surface, and it is logical that the 3rd fixed plate 210 is equipped with second
Hole 4, insertion hole 13 further includes the 3rd fixed plate 210 and the 4th fixed plate 211 forms the groove 5 of an opening upwards, built-in pipe 1
Offseted and through 3 and second through hole 4 of first through hole and the bottom of groove 5 by being fixedly welded on 211 cavity 10 of the 4th fixed plate
On, cavity 10 is formed between the hole wall of built-in pipe 1 and first through hole 3 and between the inner wall of built-in pipe 1 and groove 5, cast is mixed
During solidifying soil, gas can be drained by cavity 10.
Referring to Fig. 1, the top surface of the first fixed plate 201, the top surface of the second fixed plate 202, the first fixed plate 201 top surface with
And second the top surface of fixed plate 202 be plane, the bottom surface of 210 rack 9 of bottom surface and the 3rd fixed plate of the first fixed plate 201
Thickness is gradually reduced from outer toward the direction close to built-in pipe 1, forms the smooth conical surface 11 in surface, the bottom of the second fixed plate 202
The thickness of face and the bottom surface of the 4th fixed plate 211 gradually increases from outer toward the direction close to built-in pipe 1, forms surface
Smooth inverted cone surface 1211, when pouring into a mould concrete, concrete is filled from the bottom of built-in base 2 to the top of built-in base 2 successively, in advance
Bury gas in seat 2 can along the bottom surface of the first fixed plate 201, the bottom surface of the second fixed plate 202, the 3rd fixed plate 210 bottom surface
And the 4th the bottom surface of fixed plate 211 drain, improve the exhaust performance of built-in base 2.
Referring to Fig. 1, the second fixed plate 202 is fixedly connected with several annular spreads with 210 rack 9 of the 3rd fixed plate and is connected
Presstressed reinforcing steel 6, have prestressing force in presstressed reinforcing steel 6, when arch springing grants built-in pipe 1 pressure and by pressure transmission to built-in base 2
When, presstressed reinforcing steel 6 can offset a part of pressure, and then increase the anti-pressure ability of built-in base 2, and 6 annular spread of presstressed reinforcing steel is in the
The bottom surface of two fixed plates 202 and the top surface of the 3rd fixed plate 210 form rack 9, and concrete can enter in rack 9, add
The parcel degree of built-in base 2 and concrete, and then increase the intensity of built-in base 2.
Referring to Fig. 1, between the first fixed plate 201 and the second fixed plate 202 and the 3rd fixed plate 210 and the 4th fixed plate
Multiple sprue gates 7 are formed between 211, when concrete is poured into a mould, concrete is easily entered whole built-in base 2, and then are made whole
Fixed structure is more stable, reliable.
Referring to Fig. 1 and Fig. 4, between the first fixed plate 201 and the second fixed plate 202 and the 3rd fixed plate 210 and the 4th
Connection straight slot 81 is formed between fixed plate 211,4 reinforcing ribs are uniformly provided with the first fixed plate 201 and the second fixed plate 202
8, reinforcing rib 8 is welded and fixed with built-in pipe 1 through connection straight slot 81 and is connected, and can strengthen the stability of built-in pipe 1, increases built-in base
2 reliability.
The course of work and principle of the utility model embodiment：
In use, first, the first screwed assembly 203 and the second screwed assembly 213 are utilized respectively by first
201 and second fixed plate 202 of fixed plate connects into upper fixed seat 20, by 210 rack 9 of the 3rd fixed plate and the 4th fixed plate 211
Cavity 10 connects into lower fixed seat 21, and secondly, built-in pipe 1 is inserted into from upper fixed seat 20, and built-in pipe 1 passes through upper fixed seat 20 simultaneously
Offset with the bottom of the groove 5 of lower fixed seat 21, built-in pipe 1 is fixed on the recessed of lower fixed seat 21 vertically using the method for welding
In groove 5, reinforcing rib 8 is inserted into the sliding slot of the lug boss between the first fixed plate 201 and the second fixed plate 202, makes reinforcing rib 8
Offset with the tube wall of built-in pipe 1, reinforcing rib 8 and built-in pipe 1 are fixed by the method for welding, finally, whole built-in base 2 is placed
In in concrete saddle and pouring into a mould concrete, concrete enters built-in base 2 along 3 and second through hole 4 of first through hole, sprue gate 7
With in the gap of built-in pipe 1, after concrete coagulation, built-in pipe 1 and built-in base 2 form a stable entirety.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of CFST Arch Bridge arch springing fixed structure, it is characterized in that, including the lower fixation being embedded in concrete saddle
Seat (21) and the built-in pipe (1) that is fixedly connected on lower fixed seat (21), are fixedly connected on the lower fixed seat (21) tangible
Into the presstressed reinforcing steel (6) of rack (9), upper fixed seat (20) is fixedly connected with the presstressed reinforcing steel (6), on fixed seat
The insertion hole (13) for built-in pipe (1) insertion is provided with, fixed seat (20) adds equipped with what is be fixedly connected with built-in pipe (1)
Strengthening tendons (8).
2. CFST Arch Bridge arch springing fixed structure according to claim 1, it is characterized in that：Fixed seat (20)
The second fixed plate (202) including the first fixed plate (201), below the first fixed plate (201) and by the first fixed plate
(201) the first screwed assembly (203) being connected with the second fixed plate (202), it is solid that the lower fixed seat (21) includes the 3rd
Fixed board (211), the 4th fixed plate (212) below the 3rd fixed plate (211) and by the 3rd fixed plate (211) and the 4th
The second screwed assembly (213) of fixed plate (212) connection.
3. CFST Arch Bridge arch springing fixed structure according to claim 2, it is characterized in that：First fixed plate
(201) sprue gate is formed between the second fixed plate (202) and between the 3rd fixed plate (211) and the 4th fixed plate (212)
(7)。
4. CFST Arch Bridge arch springing fixed structure according to claim 1, it is characterized in that：The presstressed reinforcing steel (6)
It is distributed in along the built-in pipe (1) even circumferential between upper fixed seat (20) and lower fixed seat (21).
5. CFST Arch Bridge arch springing fixed structure according to claim 3, it is characterized in that：Second fixed plate
(202) and the bottom surface of the 4th fixed plate (212) is smooth inverted cone surface (12), the first fixed plate (201) and the 3rd is fixed
Plate（211）Bottom surface be the smooth conical surface (12).
6. CFST Arch Bridge arch springing fixed structure according to claim 5, it is characterized in that：Second fixed plate
(202) and the edge of the 4th fixed plate (212) bottom surface is equipped with concave edge (14), first screwed assembly (203) and
Second screwed assembly (213) is installed in concave edge (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056655.6U CN207259944U (en) | 2017-08-22 | 2017-08-22 | CFST Arch Bridge arch springing fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056655.6U CN207259944U (en) | 2017-08-22 | 2017-08-22 | CFST Arch Bridge arch springing fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207259944U true CN207259944U (en) | 2018-04-20 |
Family
ID=61925960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056655.6U Expired - Fee Related CN207259944U (en) | 2017-08-22 | 2017-08-22 | CFST Arch Bridge arch springing fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207259944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670475A (en) * | 2019-11-18 | 2020-01-10 | 四川省公路规划勘察设计研究院有限公司 | Arch structure with mixed reinforced concrete plate girders |
| CN111270761A (en) * | 2020-02-07 | 2020-06-12 | 张荣法 | Prefabricated pin-connected panel building frame of quick installation |
-
2017
- 2017-08-22 CN CN201721056655.6U patent/CN207259944U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670475A (en) * | 2019-11-18 | 2020-01-10 | 四川省公路规划勘察设计研究院有限公司 | Arch structure with mixed reinforced concrete plate girders |
| CN111270761A (en) * | 2020-02-07 | 2020-06-12 | 张荣法 | Prefabricated pin-connected panel building frame of quick installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20200822 |