CN208167484U - The steel construction overline bridge being easily installed - Google Patents

The steel construction overline bridge being easily installed Download PDF

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Publication number
CN208167484U
CN208167484U CN201820422853.8U CN201820422853U CN208167484U CN 208167484 U CN208167484 U CN 208167484U CN 201820422853 U CN201820422853 U CN 201820422853U CN 208167484 U CN208167484 U CN 208167484U
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steel
bridge
parameters
sliding block
hinged
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CN201820422853.8U
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Chinese (zh)
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邓永亮
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ZUNYI LUXIN MACHINERY Co Ltd
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ZUNYI LUXIN MACHINERY Co Ltd
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Abstract

The utility model belongs to the technical field of bridge structure, specifically disclose a kind of steel construction overline bridge being easily installed, including bridge, bridge includes identical first framework of four groups of structures, the first framework of every two constitutes a carrier unit, two the first frameworks in each carrier unit are oppositely arranged, two carrier units are arranged side by side in parallel, first framework includes Parameters of Bridge Steel Under, hang drawing steel, ladder steel and diagonal brace steel, the first sliding block and the second sliding block are slidably connected on Parameters of Bridge Steel Under, it is hinged in the middle part of the middle part of diagonal brace steel and Parameters of Bridge Steel Under, one end of ladder steel and one end of diagonal brace steel are hinged, the other end of ladder steel and the first sliding block are hinged, it hangs and draws one end of steel and the other end of diagonal brace steel hinged, it hangs and draws the other end of steel and the second sliding block hinged;It is equipped with floorings between the Parameters of Bridge Steel Under of two carrier units, is equipped with stepped plate between the ladder steel of two carrier units.The purpose of this utility model is that being easily installed overpass.

Description

The steel construction overline bridge being easily installed
Technical field
The utility model belongs to the technical field of the bridge structure of civil engineering, specifically discloses a kind of steel being easily installed Structure overline bridge.
Background technique
Overpass is indispensable architectural construction in urban construction, it can solve the traffic problems that people's vehicle mixes row.It is existing Somebody's row overline bridge is steel and concrete structure mostly, when construction take time it is more, occupy path resource, so building overpass When, the traffic at this is extremely inconvenient, brings detrimental effect for the trip of people.Steel construction is from heavy and light, anti-seismic performance is good, construction Conveniently, consumptive material is few, expense is low, so needing a kind of steel construction overline bridge being easily installed now.
Utility model content
The purpose of this utility model is to provide a kind of steel construction overline bridges being easily installed.
In order to achieve the above object, the base case of the utility model is:The steel construction overline bridge being easily installed, including bridge Beam, the bridge include identical first framework of four groups of structures, and the first framework of every two constitutes a carrier unit, each bracket Two the first frameworks in unit are oppositely arranged, and two carrier units are arranged side by side in parallel, and first framework includes bridge steel Material hangs and draws steel, ladder steel and diagonal brace steel, slidably connects the first sliding block and the second sliding block, institute on the Parameters of Bridge Steel Under It states and is hinged in the middle part of the middle part and Parameters of Bridge Steel Under of diagonal brace steel, one end of the ladder steel and one end of diagonal brace steel are cut with scissors It connects, the other end of ladder steel and the first sliding block are hinged, and described hang draws one end of steel and the other end of diagonal brace steel hinged, hang Draw the other end and the second sliding block of steel hinged;Floorings, two bracket lists are equipped between the Parameters of Bridge Steel Under of two carrier units Stepped plate is equipped between element orders ladder steel.
The working principle of this base case is:In the present solution, only need to be by the first sliding block and the second sliding block to Parameters of Bridge Steel Under Draw close, then Parameters of Bridge Steel Under, diagonal brace steel, hang to draw and be able to maintain substantially parallel between steel and ladder steel, be readily transported.It needs When building overline bridge, four the first frameworks are grouped two-by-two, and make to be oppositely arranged to form two carrier units with the first framework organized, Two carrier units be arranged in parallel on the ground, using lifting equipment by diagonal brace steel with hang draw the hinged one end of steel to On lift, diagonal brace steel can be moved up gradually at this time and its angle between Parameters of Bridge Steel Under becomes larger, diagonal brace steel After hanging the hinged one end of steel is drawn be lifted upwards, hangs and draw steel lifting and under the effect of gravity gradually vertically upwards therewith, the Two sliding blocks are mobile to the end of diagonal brace steel therewith, and final second sliding block can be moved to the top of bridge pier and be propped up by bridge pier Support.Meanwhile ladder steel being jacked up using devices such as hydraulic cylinders and keep its inclination angled, the first sliding block also can be at this time Movement.One end on four Parameters of Bridge Steel Under close to the second sliding block is detachably connected two-by-two again, every two bridge steel Material can be combined into the bridge of a completion.Floorings can be routed to after finally all steel are set up two it is complete At bridge on form bridge floor, while stepped plate being laid on two ladder steel and forms ladder.
The beneficial effect of this base case is:1. this programme Bridge steel, ladder steel, ladder steel and diagonal brace steel Material can be not necessarily to in-site installation to be directly taken construction site after pre-assembled, so the part work of site operation can be with It is completed elsewhere, without occupying public path resource for a long time.2. in the prior art, set up overline bridge when be typically all by Under gradually the component of overline bridge is put up to upper, in the present solution, set up overline bridge when, only two carrier units need to be placed into ground On face, and it is located at corresponding position, is lifted diagonal brace steel upwards using hoisting machinery, reusing the equipment such as hydraulic cylinder will Ladder steel jack-up can complete setting up for overline bridge main frame.Follow-up work is to be connected activity using the mode of welding mostly The place connect welds.The overpass built using this programme, construction-time is short, and the time for occupying path resource is big Big reduction.3. structure is more in the present solution, two Parameters of Bridge Steel Under are triangular in shape between two diagonal brace steel after linking together Stablize, and hang and draw steel and the second sliding block and diagonal brace steel hinged, the second sliding block is supported by bridge pier, draws steel can so hanging Play the role of supporting bridge steel and diagonal brace steel, further increases the stability of overline bridge structure.
Preferred embodiment one:As the preferred of basic scheme, the Parameters of Bridge Steel Under is equipped with several first threaded holes, and described the The second threaded hole corresponding with the first threaded hole, the first threaded hole and the second threaded hole are equipped on one sliding block and the second sliding block In be equipped with the first bolt and the first nut.After hanging drawing steel holding plumbness, ladder steel holding heeling condition, by first Bolt is inserted into the first threaded hole and the second threaded hole, is reused nut and is fixed, so that the first sliding block and the second sliding block It is fixed respectively with Parameters of Bridge Steel Under, guarantees the stability of overline bridge structure, and be also convenient for dismantling using the fixed form.
Preferred embodiment two:It further include two crossbeams and two floor stringers as the preferred of basic scheme, crossbeam is arranged two The end of opposite Parameters of Bridge Steel Under in a carrier unit, the both ends of floor stringer connect with two crossbeams respectively and put down with Parameters of Bridge Steel Under Row, two floor stringers are located at the 1/5 and 4/5 of crossbeam length.Floor stringer, which is arranged, can share the load-bearing pressure of bridge, improve day The load-bearing capacity of bridge entirety.
Preferred embodiment three:Preferably two it is preferred, if in the Parameters of Bridge Steel Under close to crossbeam side be equipped with Dry first protrusion, the length of the first protrusion is identical as the length of Parameters of Bridge Steel Under, and first is raised towards another side of Parameters of Bridge Steel Under End inclination, tilt angle are 10-25 degree, and the bottom of the floorings is equipped with several recessed with first protrusion matched first Slot, bottom and the floor stringer of floorings offset.It, only need to be by the first groove of floorings when being laid with floorings using this programme It is directed at the first protrusion of Parameters of Bridge Steel Under, and floorings are inwardly pushed.The difficulty of carrying can be reduced using this programme, together When, without fixing all floorings with Parameters of Bridge Steel Under, two pieces of floorings need to will only be welded on Parameters of Bridge Steel Under end to end, It is time saving and energy saving.
Preferred embodiment four:Preferably three it is preferred, one end of the floorings is equipped with the second protrusion, the other end Equipped with the second groove with the second male cooperation, it is equipped with tapped through hole on the second protrusion and the second groove, is set in tapped through hole There are the second bolt and the second nut.Using this programme, it is clamped between two neighboring floorings using the second protrusion and the second groove Together, it can guarantee the stability of bridge floor, improve its stress condition.
Preferred embodiment five:Preferably four it is preferred, the mode that all hinged places are all made of welding is fixed.Work as overline bridge Integral frame put up after, all hinged places are welded to the stability that can be improved overline bridge entirety, and need to dismantle day When bridge, after weld is removed, hinged place can be move freely again, easy to disassemble.
Preferred embodiment six:As the preferred of basic scheme, the Parameters of Bridge Steel Under is equipped with guardrail.Guardrail can guarantee pedestrian Safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the steel construction overline bridge that embodiment is easily installed;
Fig. 2 is the structural schematic diagram of floorings;
Fig. 3 is the sectional view of floorings and Parameters of Bridge Steel Under.
Specific embodiment
The utility model is described in further detail below by specific embodiment:
Appended drawing reference in Figure of description includes:Parameters of Bridge Steel Under 1, the second sliding block 3, hangs drawing steel 4, is oblique first sliding block 2 Support steel 5, ladder steel 6, stepped plate 7, floorings 8, the first groove 9, the first protrusion 10, the second groove 11, the second protrusion 12.
As shown in Figure 1, the steel construction overline bridge that the present embodiment is easily installed includes bridge, bridge includes that four groups of structures are identical First framework, the first framework of every two constitute a carrier unit, and two the first frameworks in each carrier unit are oppositely arranged, Two carrier units are arranged side by side in parallel.First framework includes Parameters of Bridge Steel Under 1, hangs and draw steel 4, ladder steel 6 and diagonal brace steel 5, the first sliding block 2 and the second sliding block 3 are slidably connected on root Parameters of Bridge Steel Under 1, and is equipped on the first sliding block 2 and the second sliding block 3 Two threaded holes, Parameters of Bridge Steel Under 1 be equipped with several first threaded holes, the first sliding block 2 and the second sliding block 3 when moving, the first screw thread Hole can be aligned with the second threaded hole, and the first bolt and the first nut are equipped in the first threaded hole and the second threaded hole.As Fig. 2, Shown in Fig. 3, towards setting on one end of inside there are two the first protrusion 10 on every Parameters of Bridge Steel Under 1, the length of the first protrusion 10 with The length of Parameters of Bridge Steel Under 1 is identical, and the first protrusion 10 is tilted towards the outside of Parameters of Bridge Steel Under 1, and tilt angle is 15 degree.Floorings 8 Bottom set there are four the first groove 9 for being matched with the first protrusion 10, bottom and the floor stringer of floorings 8 offset.Floorings 8 One end be equipped with the second protrusion 12, the other end is equipped with the second groove 11 with 12 cooperation of the second protrusion, the second protrusion 12 and the It is equipped with tapped through hole on two grooves 11, is equipped with the second bolt and the second nut in tapped through hole.It is leaned on every two Parameters of Bridge Steel Under 1 One end of nearly second sliding block 3 is detachably connected and respectively forms a complete bridge, the two adjacent bridge steels in left and right Crossbeam is equipped on material 1 between one end of the first sliding block 2, is erected with two floor stringers, two floor stringer positions on two crossbeams At the 1/5 of crossbeam length and 4/5.Diagonal brace steel 5 and Parameters of Bridge Steel Under 1 are hinged, and steel 4 are drawn with hanging in the upper end of diagonal brace steel 5 Upper end is hinged, hangs and draws the lower end of steel 4 and the second sliding block 3 hinged.The lower end of ladder steel 6 and the lower end of diagonal brace steel 5 are hinged, The upper end of ladder steel 6 and the first sliding block 2 are hinged.
It is specific first lower pier stud 10 and upper pier stud 9 to be mounted on road when building, then by diagonal brace steel 5, Parameters of Bridge Steel Under 1, It hangs and steel 4 and ladder steel 6 is drawn to be grouped and be placed on by bridge pier two-by-two, it is using hoisting machinery that the upper end of diagonal brace steel 5 is upward Lifting, while razor steel being jacked up using equipment such as hydraulic cylinders and keep certain tilt angle.Make adjacent two bridge steels 1 holding of material is horizontal, two bearing steel keep vertical, two the first sliding blocks 2 offset with upper pier stud 9 respectively, then again by diagonal brace The lower end of steel 5 and the lower end of ladder steel 6 fix on the ground, the upper end of two neighboring diagonal brace steel 5 is welded together, One end on two neighboring Parameters of Bridge Steel Under 1 close to the second sliding block 3 is detachably connected, using the first bolt and the first nut by the One sliding block 2 and the second sliding block 3 are fixed on Parameters of Bridge Steel Under 1, and the bridge basic boom of the left and right of overpass two has been built at this time At.Then, on corresponding two Parameters of Bridge Steel Under 1 at one end welding beam of the first sliding block 2, the 1/5 of crossbeam length and 4/5 Weld two floor stringers;Stepped plate 7 is laid on corresponding two ladder steel 6;First groove 9 of floorings 8 is directed at bridge First protrusion 10 of joist steel material 1, and floorings 8 are inwardly pushed, the second protrusion 12 of two neighboring floorings 8 is inserted into second In groove 11, all floorings 8 are fixed to each other after the completion of being laid with using the second bolt and the second nut by all floorings 8, together When two pieces of floorings 8 will be welded on Parameters of Bridge Steel Under 1 end to end.Finally all hinged places are welded and fixed by the way of spot welding ?.
Above-described is only the embodiments of the present invention, and the common sense such as well known specific structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not influence The effect and patent practicability that the utility model is implemented.

Claims (7)

1. the steel construction overline bridge being easily installed, including bridge, it is characterised in that:The bridge includes four groups of structures identical first Framework, the first framework of every two constitute a carrier unit, and two the first frameworks in each carrier unit are oppositely arranged, and two Carrier unit is arranged side by side in parallel, and first framework includes Parameters of Bridge Steel Under, hangs and draw steel, ladder steel and diagonal brace steel, institute It states and slidably connects the first sliding block and the second sliding block on Parameters of Bridge Steel Under, the middle part of the diagonal brace steel and the middle part phase of Parameters of Bridge Steel Under Mutually hinged, one end of the ladder steel and one end of diagonal brace steel are hinged, and the other end of ladder steel and the first sliding block are hinged, Described hang draws one end of steel and the other end of diagonal brace steel hinged, hangs and draws the other end of steel and the second sliding block hinged;Two It is equipped with floorings between the Parameters of Bridge Steel Under of carrier unit, is equipped with stepped plate between the ladder steel of two carrier units.
2. the steel construction overline bridge according to claim 1 being easily installed, it is characterised in that:If the Parameters of Bridge Steel Under is equipped with The first threaded hole is done, is equipped with the second threaded hole corresponding with the first threaded hole on first sliding block and the second sliding block, the The first bolt and the first nut are equipped in one threaded hole and the second threaded hole.
3. the steel construction overline bridge according to claim 1 being easily installed, it is characterised in that:It further include two crossbeams and two Floor stringer, crossbeam are arranged in the end of Parameters of Bridge Steel Under opposite in two carrier units, the both ends of floor stringer respectively with two cross Beam connection and it is parallel with Parameters of Bridge Steel Under, two floor stringers are located at the 1/5 and 4/5 of crossbeam length.
4. the steel construction overline bridge according to claim 3 being easily installed, it is characterised in that:Close to horizontal in the Parameters of Bridge Steel Under The side of beam is equipped with several first protrusions, and the length of the first protrusion is identical as the length of Parameters of Bridge Steel Under, and first is raised towards bridge Another side of joist steel material tilts, and tilt angle is 10-25 degree, the bottom of the floorings be equipped with it is several with it is described first convex Matched first groove is played, bottom and the floor stringer of floorings offset.
5. the steel construction overline bridge according to claim 4 being easily installed, it is characterised in that:It is set on one end of the floorings There is the second protrusion, the other end is equipped with the second groove with the second male cooperation, is equipped with screw thread on the second protrusion and the second groove Through-hole, tapped through hole is interior to be equipped with the second bolt and the second nut.
6. the steel construction overline bridge according to claim 5 being easily installed, it is characterised in that:All hinged places are all made of welding Mode fix.
7. the steel construction overline bridge according to claim 1 being easily installed, it is characterised in that:The Parameters of Bridge Steel Under is equipped with shield Column.
CN201820422853.8U 2018-03-27 2018-03-27 The steel construction overline bridge being easily installed Active CN208167484U (en)

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CN201820422853.8U CN208167484U (en) 2018-03-27 2018-03-27 The steel construction overline bridge being easily installed

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108316119A (en) * 2018-03-27 2018-07-24 遵义路鑫机械有限公司 The steel construction overline bridge being easily installed
CN110670471A (en) * 2019-10-11 2020-01-10 黄艳梅 Reinforced bridge steel structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108316119A (en) * 2018-03-27 2018-07-24 遵义路鑫机械有限公司 The steel construction overline bridge being easily installed
CN108316119B (en) * 2018-03-27 2023-08-04 遵义路鑫机械有限公司 Steel construction overpass convenient to installation
CN110670471A (en) * 2019-10-11 2020-01-10 黄艳梅 Reinforced bridge steel structure

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