CN208105009U - A kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges - Google Patents
A kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges Download PDFInfo
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- CN208105009U CN208105009U CN201820397227.8U CN201820397227U CN208105009U CN 208105009 U CN208105009 U CN 208105009U CN 201820397227 U CN201820397227 U CN 201820397227U CN 208105009 U CN208105009 U CN 208105009U
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- arch
- sand cylinder
- convex block
- lower edge
- voussoir
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Abstract
The utility model discloses a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf supports of Deck Arch Bridges, including skewback, unload arch sand cylinder, skewback step upper end is equipped with described unload and encircles sand cylinder, described unload is equipped with sand cylinder piston inside arch sand cylinder, sand cylinder piston upper end is equipped with fashioned iron distribution beam, fashioned iron distribution beam upper end is equipped with connecting support by lower edge voussoir, is provided with connecting pin bores in the connecting support；The connecting support side is equipped with steel pad case, and the steel pad case is connected by rear voussoir with the skewback side.Beneficial effect is：The fine tuning of connecting support absolute altitude and lengthwise position is realized by rear voussoir and lower edge voussoir, setting steel pads case and is able to carry out length adjustment, it is ensured that connecting pin bores is located in vertical direction unloads arch sand cylinder center, it is ensured that the support effect of device；Cooperated by the piston convex block and the sand cylinder groove unloaded inside arch sand cylinder of sand cylinder piston end, it can be ensured that unload arch steadily and uniform force, it is ensured that unload arch safety.
Description
Technical field
The utility model relates to bridge construction mechanical structure fields, and in particular to a kind of cast-in-place main arch ring dress of Deck Arch Bridges
With formula cantilever steel arch-shelf support.
Background technique
When carrying out road construction, it is often necessary to cross over river.In order to shorten highway construction, need to carry out Construction of Arch Bridges.
The one kind of Deck Arch Bridges as arch bridge, mostly uses steel arch-shelf as support construction.In order to guarantee the stability of Deck Arch Bridges,
It needs that support is arranged at arch bridge both ends.
Applicants have discovered that at least there is following technical problem in the prior art：Current steel arch-shelf support is being installed
When, do not have fine tuning structure, in order to guarantee to support stability, therefore, to assure that installation is accurate, and installation difficulty is big；It is carrying out unloading arch
When, it is be easy to cause discontinuity, there are security risks.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of cast-in-place main arch ring of Deck Arch Bridges
Assembled cantilever steel arch-shelf support does not have fine tuning structure when being installed to solve steel arch-shelf support in the prior art, is
Guarantee support stability, therefore, to assure that installation is accurate, and installation difficulty is big；When carrying out unloading arch, it is be easy to cause discontinuity,
There are the technical problems such as security risk.Preferred technical solution can be realized micro- in many technical solutions provided by the utility model
It adjusts, is easy to implement the installation of device, while can guarantee the accuracy of device installation, thus guarantee the support effect of device, into
When row unloads arch, sand cylinder piston is unloading mobile steady in arch sand cylinder, uniform force, it is ensured that unload the technical effects such as arch safety, be detailed in
It is set forth below.
To achieve the above object, the utility model provides technical solution：
The cast-in-place main arch ring assembled cantilever steel arch-shelf support of a kind of Deck Arch Bridges provided by the utility model, including arch
Seat unloads arch sand cylinder, and the skewback uses stepped ramp type structure, and skewback step upper end is equipped with described unload and encircles sand cylinder, described to unload
Weedtree bearing beam is installed between arch sand cylinder and the skewback；The arch sand cylinder that unloads is internally provided with sand cylinder groove, described to unload arch sand
Cylinder is internal to be placed with medium coarse sand；Described unload is equipped with sand cylinder piston inside arch sand cylinder, and sand cylinder piston end is provided with piston
Convex block；
Sand cylinder piston upper end is equipped with fashioned iron distribution beam, and fashioned iron distribution beam upper end is equipped with by lower edge voussoir
Connecting support is provided with connecting pin bores in the connecting support；The connecting support side is equipped with steel pad case, and the steel pads case
It is connected by rear voussoir with the skewback side；
The steel pad case includes that outside adjusts long tube, inside to adjust long tube, and the external tune long tube is connected with the rear voussoir
It connects, the internal tune long tube is connected with the connecting support, and the internal tune long tube is slidably mounted on the outside and adjusts long tube
Inside, the external tune long tube and the internal tune long pipe surface are provided with tune elongated slot；
The rear voussoir includes rear convex block, rear concave block, and the rear convex block and the rear concave block are using sliding
Cooperation；
The lower edge voussoir includes lower edge convex block, lower edge concave block, and the lower edge convex block and the lower edge concave block are using sliding
Cooperation.
Using a kind of above-mentioned cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, the rear convex block and institute
State and be able to carry out small sliding between rear concave block, thus realize connecting support absolute altitude finely tune, the lower edge convex block and it is described under
It is able to carry out small sliding between emargination block, to realize the fine tuning of the connecting support longitudinal direction, can guarantee the connection branch
Seat installation accurately, by the outside adjusts long tube and the internal adjusting for adjusting long tube to realize the steel pad case length, so as to
Enough guarantee that the connecting pin bores is located at described unload in vertical direction and encircles sand cylinder center, it is ensured that the support effect of device；It carries out unloading arch
When, realize that the sand cylinder piston declines inside arch sand cylinder in described unload with sand cylinder groove cooperation by the piston convex block,
The piston convex block is slidably matched with the sand cylinder groove, can guarantee to unload sand cylinder piston uniform force when arch, therefore make
The sand cylinder piston slides exactly, and arch safety and steady is unloaded in guarantee.
Preferably, the mounting plane of the rear voussoir and the mounting plane of the lower edge voussoir are perpendicular.
Preferably, the rear convex block and rear concave block surface carry out polishing oil spout processing, the rear is convex
Block surface is provided with convex block, and the setting of rear concave block surface is fluted, the convex block and the rear of the rear lug surface
The groove on concave block surface matches.
Preferably, the lower edge convex block and lower edge concave block surface carry out polishing oil spout processing, the lower edge is convex
Block surface is provided with convex block, and the setting of lower edge concave block surface is fluted, the convex block and the lower edge of the lower edge lug surface
The groove on concave block surface matches.
Preferably, the external inside dimension for adjusting long tube is equal with the internal tune external dimensions of long tube, and adopt
Use clearance fit.
Preferably, the piston convex block altogether there are four, the sand cylinder groove altogether there are four, and the piston convex block and institute
Sand cylinder groove is stated to match.
Preferably, the outer diameter of the sand cylinder piston is less than the interior circular diameter for unloading arch sand cylinder, the sand cylinder is living
It is closed between plug and the gap for unloading arch sand cylinder using pitch or butter.
Preferably, the arch sand cylinder bottom symmetrical that unloads is provided with and unloads sand hole, described unload is equipped with bolt plug inside sand hole.
Beneficial effect is：1, the micro- of connecting support absolute altitude and lengthwise position is realized by rear voussoir and lower edge voussoir
It adjusts, setting steel pads case and is able to carry out length adjustment, it is ensured that connecting pin bores is located in vertical direction unloads arch sand cylinder center, it is ensured that device
Support effect；
2, cooperated by the piston convex block and the sand cylinder groove unloaded inside arch sand cylinder of sand cylinder piston end, it can be ensured that
It unloads and encircles steady and uniform force, it is ensured that unload arch safety.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the sand cylinder piston of the utility model cooperates enlarged diagram with arch sand cylinder is unloaded；
Fig. 3 is the sand cylinder piston section enlarged diagram of the utility model；
Fig. 4 is that unloading for the utility model encircles sand cylinder section enlarged diagram；
Fig. 5 is the steel pad box structure enlarged diagram of the utility model；
Fig. 6 is the rear convex block and lower edge projection cube structure enlarged diagram of the utility model；
Fig. 7 is the rear concave block and lower edge concave block structure enlargement diagram of the utility model.
The reference numerals are as follows：
1, skewback；2, rear voussoir；201, rear convex block；202, rear concave block；3, steel pads case；301, external to adjust long tube；
302, internal to adjust long tube；303, elongated slot is adjusted；4, connecting support；5, connecting pin bores；6, lower edge voussoir；601, lower edge convex block；602,
Lower edge concave block；7, fashioned iron distribution beam；8, sand cylinder piston；801, piston convex block；9, arch sand cylinder is unloaded；901, sand cylinder groove；902, it unloads
Sand hole；903, bolt plug；10, weedtree bearing beam.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Refer to figures 1-7, the utility model provides a kind of cast-in-place main arch ring assembled cantilever steel of Deck Arch Bridges
Arch support, including skewback 1, unload arch sand cylinder 9, skewback 1 use stepped ramp type structure, 1 step upper end of skewback be equipped with unloads arch sand cylinder
9, it unloads and weedtree bearing beam 10 is installed between arch sand cylinder 9 and skewback 1；It unloads arch sand cylinder 9 and is internally provided with sand cylinder groove 901, unload arch sand
Medium coarse sand is placed with inside cylinder 9；It unloads and sand cylinder piston 8 is installed inside arch sand cylinder 9,8 end of sand cylinder piston is provided with piston convex block
801；
8 upper end of sand cylinder piston is equipped with fashioned iron distribution beam 7, and 7 upper end of fashioned iron distribution beam is equipped with connection by lower edge voussoir 6
Support 4 is provided with connecting pin bores 5 in connecting support 4；4 side of connecting support is equipped with steel pad case 3, and steel pads case 3 and passes through rear wedge
Block 2 is connected with 1 side of skewback；
It includes that outside adjusts long tube 301, inside to adjust long tube 302 that steel, which pads case 3, and outside tune long tube 301 is connected with rear voussoir 2
It connects, inside adjusts long tube 302 to be connected with connecting support 4, and inside is adjusted long tube 302 to be slidably mounted on outside and adjusted inside long tube 301, outside
Portion's tune long tube 301 and internal tune 302 surface of long tube are provided with and adjust elongated slot 303；
Rear voussoir 2 includes rear convex block 201, rear concave block 202, and rear convex block 201 and rear concave block 202 are using sliding
Cooperation；
Lower edge voussoir 6 includes lower edge convex block 601, lower edge concave block 602, and lower edge convex block 601 and lower edge concave block 602 are using sliding
Cooperation.
As optional embodiment, the mounting plane of the mounting plane and lower edge voussoir 6 of rear voussoir 2 is perpendicular, energy
Enough realize that connecting support 4 carries out the fine tuning of absolute altitude and lengthwise position, it is ensured that connecting support 4 is installed accurately；
Rear convex block 201 and 202 surface of rear concave block carry out polishing oil spout processing, can guarantee rear convex block 201 with
Rear concave block 202 is slided, and convenient for unloading arch, 201 surface of rear convex block is provided with convex block, and 202 surface of rear concave block is provided with
Groove, the convex block on 201 surface of rear convex block and the groove on 202 surface of rear concave block match, and can guarantee 201 He of rear convex block
Rear concave block 202 slides exactly, prevents to misplace, it is ensured that unloads arch safety；
Lower edge convex block 601 and 602 surface of lower edge concave block carry out polishing oil spout processing, can guarantee lower edge convex block 601 with
Lower edge concave block 602 is slided, and convenient for unloading arch, 601 surface of lower edge convex block is provided with convex block, and 602 surface of lower edge concave block is provided with
Groove, the convex block on 601 surface of lower edge convex block and the groove on 602 surface of lower edge concave block match, and can guarantee 601 He of lower edge convex block
Lower edge concave block 602 slides exactly, prevents to misplace, it is ensured that unloads arch safety；
Outside adjusts the inside dimension of long tube 301 to adjust the external dimensions of long tube 302 equal with inside, and is gap-matched,
It is easy to implement the length adjustment of steel pad case 3, it is ensured that connecting pin bores 5 is located in vertical direction unloads arch 9 center of sand cylinder, guarantees device
Support effect；
Piston convex block 801 altogether there are four, sand cylinder groove 901 altogether there are four, and piston convex block 801 and 901 phase of sand cylinder groove
Matching can guarantee that sand cylinder piston 8 is unloading arch 9 inside smooth sliding of sand cylinder, it is ensured that unload the steady safety of arch；
The outer diameter of sand cylinder piston 8 is less than the interior circular diameter for unloading arch sand cylinder 9, sand cylinder piston 8 and the gap for unloading arch sand cylinder 9
Between closed using pitch or butter, can prevent rainwater or muddy water from penetrating into keeps sand body hardened；
It unloads arch 9 bottom symmetrical of sand cylinder to be provided with and unload sand hole 902, unloads and bolt plug 903 is installed inside sand hole 902, convenient for real
Existing sediment outflow unloads arch work to realize, guarantees that sediment outflow is symmetrically steady, it is ensured that unloads arch safety.
Using the above structure, small sliding is able to carry out between rear convex block 201 and rear concave block 202, thus the company of realization
The fine tuning of 4 absolute altitude of support is connect, small sliding is able to carry out between lower edge convex block 601 and lower edge concave block 602, to realize connecting support
4 longitudinal fine tunings can guarantee that connecting support 4 is installed accurately, adjust long tube 301 and inside that long tube 302 is adjusted to realize steel by outside
The adjusting of 3 length of case is padded, unloads arch 9 center of sand cylinder so as to guarantee that connecting pin bores 5 is located in vertical direction, it is ensured that the branch of device
Support effect；When carrying out unloading arch, realize that sand cylinder piston 8 is being unloaded in arch sand cylinder 9 by piston convex block 801 and the cooperation of sand cylinder groove 901
Subordinate's drop, piston convex block 801 are slidably matched with sand cylinder groove 901,8 uniform force of sand cylinder piston when can guarantee to unload arch, therefore
Sand cylinder piston 8 is set to slide exactly, arch safety and steady is unloaded in guarantee.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, including skewback (1), arch sand cylinder (9) is unloaded,
It is characterized in that：The skewback (1) uses stepped ramp type structure, and skewback (1) the step upper end is equipped with described unload and encircles sand cylinder (9),
Described unload is equipped with weedtree bearing beam (10) between arch sand cylinder (9) and the skewback (1)；Arch sand cylinder (9) that unloads is internally provided with
Sand cylinder groove (901), described unload are placed with medium coarse sand inside arch sand cylinder (9)；The internal sand cylinder that is equipped with of arch sand cylinder (9) that unloads is lived
It fills in (8), sand cylinder piston (8) end is provided with piston convex block (801)；
Sand cylinder piston (8) upper end is equipped with fashioned iron distribution beam (7), and fashioned iron distribution beam (7) upper end passes through lower edge voussoir
(6) it is equipped with connecting support (4), is provided with connecting pin bores (5) on the connecting support (4)；Connecting support (4) the side peace
Case (3) are padded equipped with steel, steel pad case (3) is connected by rear voussoir (2) with the skewback (1) side；
Steel pad case (3) includes that outside adjusts long tube (301), inside to adjust long tube (302), external tune long tube (301) and institute
It states rear voussoir (2) to be connected, internal tune long tube (302) is connected with the connecting support (4), the internal tune long tube
(302) it is internal to be slidably mounted on external tune long tube (301), external tune long tube (301) and the internal tune long tube
(302) surface, which is provided with, adjusts elongated slot (303)；
The rear voussoir (2) includes rear convex block (201), rear concave block (202), the rear convex block (201) and it is described after
Emargination block (202) is used and is slidably matched；
The lower edge voussoir (6) includes lower edge convex block (601), lower edge concave block (602), the lower edge convex block (601) and it is described under
Emargination block (602) is used and is slidably matched.
2. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, feature exist according to claim 1
In：The mounting plane of the rear voussoir (2) and the mounting plane of the lower edge voussoir (6) are perpendicular.
3. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, feature exist according to claim 1
In：The rear convex block (201) and the rear concave block (202) surface carry out polishing oil spout processing, the rear convex block
(201) surface is provided with convex block, and rear concave block (202) the surface setting is fluted, rear convex block (201) surface it is convex
Block and the groove on rear concave block (202) surface match.
4. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, feature exist according to claim 1
In：The lower edge convex block (601) and the lower edge concave block (602) surface carry out polishing oil spout processing, the lower edge convex block
(601) surface is provided with convex block, and lower edge concave block (602) the surface setting is fluted, lower edge convex block (601) surface it is convex
Block and the groove on lower edge concave block (602) surface match.
5. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, feature exist according to claim 1
In：The external inside dimension for adjusting long tube (301) is equal with the internal tune external dimensions of long tube (302), and between use
Gap cooperation.
6. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, feature exist according to claim 1
In：The piston convex block (801) altogether there are four, the sand cylinder groove (901) altogether there are four, and the piston convex block (801) with
The sand cylinder groove (901) matches.
7. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, feature exist according to claim 1
In：The outer diameter of the sand cylinder piston (8) is less than the interior circular diameter for unloading arch sand cylinder (9), the sand cylinder piston (8) and institute
It states and is closed between the gap for unloading arch sand cylinder (9) using pitch or butter.
8. a kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges, feature exist according to claim 1
In：Described arch sand cylinder (9) bottom symmetrical that unloads is provided with and unloads sand hole (902), and described unload is equipped with bolt plug inside sand hole (902)
(903)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397227.8U CN208105009U (en) | 2018-03-21 | 2018-03-21 | A kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397227.8U CN208105009U (en) | 2018-03-21 | 2018-03-21 | A kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges |
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| Publication Number | Publication Date |
|---|---|
| CN208105009U true CN208105009U (en) | 2018-11-16 |
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| CN201820397227.8U Active CN208105009U (en) | 2018-03-21 | 2018-03-21 | A kind of cast-in-place main arch ring assembled cantilever steel arch-shelf support of Deck Arch Bridges |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438906A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团有限公司 | A kind of deck type box arch bridge arch rib construction method |
-
2018
- 2018-03-21 CN CN201820397227.8U patent/CN208105009U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110438906A (en) * | 2019-08-22 | 2019-11-12 | 中铁二十局集团有限公司 | A kind of deck type box arch bridge arch rib construction method |
| CN110438906B (en) * | 2019-08-22 | 2022-02-15 | 中铁二十局集团有限公司 | Arch rib construction method for deck box type arch bridge |
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