CN110820595A - Temporary locking device for closure section of steel truss arch bridge - Google Patents
Temporary locking device for closure section of steel truss arch bridge Download PDFInfo
- Publication number
- CN110820595A CN110820595A CN201911254215.5A CN201911254215A CN110820595A CN 110820595 A CN110820595 A CN 110820595A CN 201911254215 A CN201911254215 A CN 201911254215A CN 110820595 A CN110820595 A CN 110820595A
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- seat
- closure section
- arch bridge
- locking device
- supporting seat
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- 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
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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
- E01D4/00—Arch-type bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D6/00—Truss-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a temporary locking device for a closure section of a steel truss arch bridge, which comprises an upper supporting seat, a lower supporting seat, a fixing mechanism and a limiting mechanism, wherein the upper supporting seat and the lower supporting seat are arranged above and below the top end of the closure position of the closure section, the upper supporting seat and the lower supporting seat are respectively detachably connected with the closure section, the limiting mechanism is arranged between the upper supporting seat and the lower supporting seat, the left end and the right end of the lower supporting seat are respectively provided with a connecting block, and the connecting blocks are connected with a truss arranged above a steel truss arch bridge body through the fixing mechanism. The temporary locking device for the closure section of the steel truss arch bridge is created, the limiting mechanism longitudinally limits the closure section of the steel truss arch bridge body, stability is improved, and the temporary locking device for the closure section of the steel truss arch bridge can be adjusted according to needs and is convenient to disassemble and assemble.
Description
Technical Field
The invention belongs to the field of steel truss arch bridges, and particularly relates to a temporary locking device for a closure section of a steel truss arch bridge.
Background
The truss arch bridge is an arch bridge formed by a solid-web section in the middle and arch truss pieces on two sides. The truss arch sheets are connected into a whole by a bridge deck system and a transverse connecting system (a transverse strut and a cross brace). The device is characterized in that the solid-web section and the arched truss pieces at the two sides play a role in stressing an arch, and arch legs have horizontal thrust to reduce midspan bending moment; compared with the common rib arch bridge with arch building, the bridge has reasonable stress, can save materials and reduce self weight, and is suitable for occasions with poor foundation. The truss arch bridge has the characteristics of reasonable structural stress, strong integrity, material saving, small self weight and the like, and has better adaptability to soft soil foundations. At the present stage, when the closure section of the steel truss arch bridge is constructed, the closure section needs to be temporarily fixed so as to prevent the arch bridge from bearing extra tension and compression stress when the poured concrete is not strong, and the temporary locking device for the closure section of the existing steel truss arch bridge cannot be well adjusted and installed as required.
Summary of the invention
In view of this, the present invention provides a temporary locking device for a closure section of a steel truss arch bridge, so as to temporarily lock the closure section of the steel truss arch bridge.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a steel purlin arched bridge closes interim locking device of long section, includes supporting seat, under bracing seat, fixed establishment and stop gear, go up supporting seat and arrange close long section and close long position top position department in, under bracing seat arranges close long section and close long position bottom position department in, and upper and lower supporting seat can dismantle with close long section separately and be connected, stop gear sets up between upper and lower supporting seat, the under bracing left and right ends are equipped with the connecting block respectively, fixed establishment quantity and connecting block quantity equal and one-to-one setting, the truss connection that the connecting block was equipped with through fixed establishment and steel purlin arched bridge body top.
Furthermore, fixed establishment includes the carriage that corresponds the setting with the connecting block, the connecting block is arranged in this carriage and is supported by this carriage, this carriage top be equipped with between two parties be used for with the jib for the truss connection of steel truss arch bridge body top.
Furthermore, the support frame includes the ascending U type fixing base of opening and the fixed plate that the opening part corresponds the setting, and the fixed plate is installed in the fixed slot that two curb plate top surfaces of fixing base were seted up through the fixing bolt that the level set up.
Furthermore, stop gear includes two spacing seats that correspond with a closure section separately, spacing seat top and bottom are equipped with a stopper separately, the lower carriage is supported and can dismantle the connection with this bottom stopper by the stopper that is located the bottom, go up the stopper below that the supporting seat is located the top and can dismantle the connection with the stopper on this top.
Furthermore, this interim locking device still includes adjustment mechanism, mediate the mechanism and adjust the seat including the several that from top to bottom sets up, each spacing seat deviates from to the dragon joining section side and from top to bottom the equidistance is equipped with a plurality of spacing screw holes that are used for fixed regulation seat, and each is adjusted the seat and is connected between two spacing seats.
Furthermore, a guide mechanism is arranged between the limiting seat and the adjusting seat, the guide mechanism comprises two sliding grooves which are formed in the limiting seat in the vertical direction away from the end face, adjusting blocks which are right opposite to the sliding grooves at the same end are arranged at the two ends of the adjusting seat respectively, and each adjusting block is provided with a sliding block which is matched with the sliding block and is slidably installed in the sliding groove.
Compared with the prior art, the temporary locking device for the closure section of the steel truss arch bridge has the following advantages:
according to the temporary locking device for the closure section of the steel truss arch bridge, the upper supporting seat and the lower supporting seat are stably connected with the steel truss arch bridge body through the connecting bolts on the lug plates, and the limiting blocks are stably connected with the upper supporting seat and the lower supporting seat through the limiting bolts, so that the closure section of the steel truss arch bridge body is longitudinally limited, and the stability is improved; the adjusting seats are connected with the limiting seats through selecting an appropriate number of adjusting seats, the sliding blocks are in sliding connection with the sliding grooves, and meanwhile, the positions of limiting threaded holes where the adjusting bolts are located are changed, so that the closure section of the steel truss arch bridge body is limited transversely as required, and meanwhile, the steel truss arch bridge is convenient to disassemble and assemble; carry on spacingly to the under bracing seat through U type fixing base and fixed plate, make things convenient for the truss that steel purlin arched bridge body top was equipped with to remove the regulation to the under bracing seat, conveniently tear the dismouting simultaneously, this steel purlin arched bridge closes interim locking device of long section, can adjust as required, the dismouting of being convenient for simultaneously.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a cross-sectional view of the invention;
FIG. 2 is a schematic structural diagram of the fixing mechanism of the present invention;
FIG. 3 is a schematic structural diagram of a limiting mechanism according to the present invention;
fig. 4 is a schematic structural diagram of the adjusting mechanism of the invention.
Description of reference numerals:
1-upper supporting seat; 2-lower support seat; 3-a fixing mechanism; 4-a limiting mechanism; 5-an adjusting mechanism; 6-ear plate; 7-connecting blocks; 8-U-shaped fixed seats; 9-fixing the plate; 10-a limiting seat; 11-a limiting block; 12-an adjusting seat; 13-a regulating block; 14-a slide block; 15-a suspender.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in fig. 1-4, a temporary locking device for closure section of steel truss arch bridge comprises an upper supporting seat 1 and a lower supporting seat 2, wherein the upper supporting seat 1 and the lower supporting seat 2 are respectively arranged above and below the closure position of the closure section of the steel truss arch bridge body outside, the upper supporting seat 1 is located at the top end position of the closure position, and the lower supporting seat 2 is located at the bottom end position of the closure position. Go up the left and right-hand member of supporting seat 1 and lower supporting seat 2 and weld respectively near closure section position department and have otic placode 6, it is equipped with the connecting hole that the multiunit is the equidistance and distributes to bore on the otic placode 6, is equipped with the connecting bolt who is connected with the closure section in the connecting hole, makes supporting seat 1 and lower support seat 2 all be connected with steel purlin arch bridge body steadily through connecting bolt on the otic placode 6, realizes upper and lower supporting seat and steel purlin arch bridge body fixed connection. Lower carriage 2 deviates from left and right-hand member position punishment of steel purlin arch bridge body side and does not have fixed welding to have connecting block 7, connecting block 7 is equipped with fixed establishment 3, the top of going up supporting seat 1 and the bottom of lower carriage 2 are equipped with the supported hole respectively, go up supporting seat 1 and lower carriage 2 and go up and be equipped with stop gear 4 between the supported hole of adaptation, stop gear 4 is equipped with adjustment mechanism 5.
Specifically, fixed establishment 3 includes ascending U type fixing base 8 of opening and fixed plate 9, and the encapsulation of fixed plate 9 is at 8 openings of U type fixing base, and U type fixing base 8 and fixed plate 9 form the carriage structure, carriage and 7 adaptations of connecting block, and connecting block 7 is arranged in the carriage and is supported by this carriage. In this embodiment, the fixed slot has been seted up respectively at two curb plate tops of U type fixing base 8, and fixed plate 9 passes through joggle structrual installation in the fixed slot, the fixed orifices threaded connection that the fixed plate 9 both ends were bored and are established has the fixing bolt that runs through 8 curb plates of U type fixing base, and fixed plate 9 top is equipped with between two parties with the jib 15 for the truss connection of steel purlin arched bridge body top, carries out limit support to connecting block 7 through the carriage structure of U type fixing base 8 and fixed plate 9 formation, through the truss connection of jib 15 and steel purlin arched bridge body top, and then with the truss connection that lower bolster 2 and steel purlin arched bridge body top were equipped with.
Specifically, the limiting mechanism 4 comprises two limiting seats 10 and limiting blocks 11 welded at the top end and the bottom end of each limiting seat 10 respectively, one limiting seat 10 of the two limiting seats 10 is arranged at the left end position of the closure section closure position, the other limiting seat 10 is arranged at the right end position of the closure section closure position, the two limiting seats 10 are respectively provided with a sliding groove in the vertical direction of the deviated side surface, namely the vertical direction of the left end surface of the limiting seat 10 at the left end is provided with a sliding groove, the vertical direction of the right end surface of the limiting seat 10 at the right end is also provided with a sliding groove, in the embodiment, the sliding grooves are T-shaped sliding grooves, the limiting seats 10 are provided with a plurality of limiting threaded holes equidistantly drilled from top to bottom on the side surface deviated from the steel truss arch bridge body, the limiting threaded holes of the two limiting seats 10 are arranged in a one-to-one correspondence manner, the limiting unthreaded holes corresponding to the supporting holes of the upper supporting seat 1 are drilled in, the limiting unthreaded hole corresponding to the supporting hole of the lower supporting seat 2 is drilled in the center of the limiting block 11 at the lower end, a limiting bolt in threaded connection with the corresponding supporting hole is arranged in the limiting unthreaded hole, the limiting block 11 at the upper end is stably connected with the upper supporting seat 1 through the limiting bolt, and the limiting block 11 at the bottom end is stably connected with the lower supporting seat 2 through the limiting bolt, so that the closure section of the steel truss arch bridge body is longitudinally limited.
Specifically, adjustment mechanism 5 is including adjusting seat 12, regulating block 13 and slider 14, adjust seat 12 and connect between two spacing seats 10, and adjust the 12 medial surfaces of seat and hug closely at two spacing seat 10 lateral surfaces, should adjust the 12 lateral surfaces of seat (its side that deviates from spacing seat 10 promptly) left end and right-hand member position department and bore respectively and be equipped with one separately with the spacing regulation hole that a spacing screw hole of a spacing seat 10 corresponds, be equipped with the adjusting bolt who drills spacing screw hole threaded connection on the spacing seat 10 with stop gear 4 in the regulation hole, adjust seat 12 through this adjusting bolt fastening on spacing seat 10. The left end and the right end of the adjusting seat 12 are respectively welded with an adjusting block 13, a sliding block 14 which is connected with a sliding groove formed by digging the left end surface of the left end limiting seat 10 and is positioned on the right end surface of the left end adjusting block 13 is arranged, a sliding block 14 which is connected with a sliding groove formed by digging the right end surface of the right end limiting seat 10 and is positioned on the left end surface of the right end adjusting block 13 is arranged, and the sliding block-sliding groove structure plays a role in guiding the adjusting seat 12 in the vertical direction position adjusting process. After the position of the adjusting seat 12 is adjusted, the adjusting seat is fixedly connected with the limiting seat 10 through an adjusting bolt, so that the closure section of the steel truss arch bridge body is transversely limited.
Specifically, the temporary locking device for the closure section of the steel truss arch bridge limits the position of the lower supporting seat 2 through a U-shaped fixed seat 8 and a fixed plate 9, connects the lower supporting seat 2 with a truss arranged at the top of a steel truss arch bridge body through a suspender 15, simultaneously places the upper supporting seat 1 at the top end position of the closure section closure position of the steel truss arch bridge body, after the placement is completed, enables the upper supporting seat 1 and the lower supporting seat 2 to be stably connected with the steel truss arch bridge body through a connecting bolt on an ear plate 6, simultaneously enables a limiting block 11 to be stably connected with the upper supporting seat 1 and the lower supporting seat 2 through a limiting bolt, thereby longitudinally limiting the closure section of the steel truss arch bridge body, simultaneously selects an appropriate number of adjusting seats 12, is in sliding connection with a sliding groove through a sliding block 14, connects the adjusting seats 12 with a limiting seat 10, and simultaneously changes the position of a limiting threaded hole where the adjusting bolt is located, thereby transversely spacing the closure section of steel purlin arched bridge body as required, after the regulation is accomplished, can carry out follow-up concrete placement and handle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a steel purlin arched bridge closure section temporary locking device which characterized in that: including last supporting seat (1), under bracing seat (2), fixed establishment (3) and stop gear (4), go up supporting seat (1) and arrange closure section closure position top position department in, under bracing seat (2) are arranged closure section closure position bottom position department in, and go up, the under bracing seat can dismantle with the closure section separately and be connected, stop gear (4) set up between upper and lower supporting seat, under bracing seat (2) left and right-hand member is equipped with connecting block (7) respectively, fixed establishment (3) quantity and connecting block (7) quantity equal and one-to-one setting, connecting block (7) are through the truss connection that fixed establishment (3) and steel purlin arch bridge body top were equipped with.
2. The temporary locking device for the closure section of the steel truss arch bridge as claimed in claim 1, wherein: fixing mechanism (3) include with connecting block (7) correspond the carriage that sets up, connecting block (7) are arranged in this carriage by this carriage support, this carriage top is equipped with between two parties and is used for with jib (15) for the truss connection of steel purlin arched bridge body top.
3. The temporary locking device for the closure section of the steel truss arch bridge as claimed in claim 2, wherein: the support frame comprises a U-shaped fixing seat (8) with an upward opening and a fixing plate (9) with a corresponding opening, and the fixing plate (9) is installed in a fixing groove formed in the top surfaces of two side plates of the fixing seat (8) through a fixing bolt horizontally arranged.
4. The temporary locking device for the closure section of the steel truss arch bridge as claimed in claim 1, wherein: stop gear (4) include two spacing seats (10) that correspond with a closure section separately, spacing seat (10) top and bottom are equipped with a stopper (11) separately, lower carriage (2) are supported by stopper (11) that are located the bottom and can dismantle with this bottom stopper (11) and be connected, go up stopper (11) below that supporting seat (1) are located the top and can dismantle with stopper (11) on this top and be connected.
5. The temporary locking device for the closure section of the steel truss arch bridge as claimed in claim 4, wherein: this interim locking device still includes adjustment mechanism (5), mediate mechanism (5) and adjust seat (12) including the several that from top to bottom sets up, each spacing seat (10) deviate from to close the dragon section side and from top to bottom the equidistance be equipped with a plurality of spacing screw holes that are used for fixed regulation seat (12), and each is adjusted seat (12) and is connected between two spacing seats (10).
6. The temporary locking device for the closure section of the steel truss arch bridge as claimed in claim 5, wherein: be equipped with guiding mechanism between spacing seat (10) and regulation seat (12), guiding mechanism includes two spacing seats (10) and at the sliding tray that back of the body terminal surface vertical direction was seted up separately, adjust seat (12) both ends and be equipped with respectively one and with just right regulating block (13) of end sliding tray, each regulating block (13) are equipped with slider (14) of matching slidable mounting at this sliding tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911254215.5A CN110820595A (en) | 2019-12-09 | 2019-12-09 | Temporary locking device for closure section of steel truss arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911254215.5A CN110820595A (en) | 2019-12-09 | 2019-12-09 | Temporary locking device for closure section of steel truss arch bridge |
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| Publication Number | Publication Date |
|---|---|
| CN110820595A true CN110820595A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911254215.5A Pending CN110820595A (en) | 2019-12-09 | 2019-12-09 | Temporary locking device for closure section of steel truss arch bridge |
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| CN (1) | CN110820595A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893900A (en) * | 2020-08-06 | 2020-11-06 | 华东交通大学 | Assembled bridge of turning |
| CN113502731A (en) * | 2021-07-06 | 2021-10-15 | 中铁大桥局集团有限公司 | Steel pipe arch bridge arch rib closure structure and closure method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110097093A (en) * | 2010-02-24 | 2011-08-31 | (주)하경엔지니어링 | Truss bridge having plate girders attached on truss member |
| CN206828965U (en) * | 2017-03-27 | 2018-01-02 | 中铁二院工程集团有限责任公司 | Arch bridge Horizontal Swing Construction closes up mouth with double cantilevers and adjusts locked configuration temporarily |
| CN207152300U (en) * | 2017-03-12 | 2018-03-30 | 杨志强 | A kind of school supply and stationery suitable for dissemination of news specialty |
| CN207700499U (en) * | 2017-12-19 | 2018-08-07 | 江苏南通三建建筑装饰有限公司 | A kind of ceiling board splicing construction |
| CN211772869U (en) * | 2019-12-09 | 2020-10-27 | 中国铁建大桥工程局集团有限公司 | Temporary locking device for closure section of steel truss arch bridge |
-
2019
- 2019-12-09 CN CN201911254215.5A patent/CN110820595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110097093A (en) * | 2010-02-24 | 2011-08-31 | (주)하경엔지니어링 | Truss bridge having plate girders attached on truss member |
| CN207152300U (en) * | 2017-03-12 | 2018-03-30 | 杨志强 | A kind of school supply and stationery suitable for dissemination of news specialty |
| CN206828965U (en) * | 2017-03-27 | 2018-01-02 | 中铁二院工程集团有限责任公司 | Arch bridge Horizontal Swing Construction closes up mouth with double cantilevers and adjusts locked configuration temporarily |
| CN207700499U (en) * | 2017-12-19 | 2018-08-07 | 江苏南通三建建筑装饰有限公司 | A kind of ceiling board splicing construction |
| CN211772869U (en) * | 2019-12-09 | 2020-10-27 | 中国铁建大桥工程局集团有限公司 | Temporary locking device for closure section of steel truss arch bridge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893900A (en) * | 2020-08-06 | 2020-11-06 | 华东交通大学 | Assembled bridge of turning |
| CN113502731A (en) * | 2021-07-06 | 2021-10-15 | 中铁大桥局集团有限公司 | Steel pipe arch bridge arch rib closure structure and closure method |
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