CN208803363U - A kind of belt track free cantilever erection steel girder bridge - Google Patents
A kind of belt track free cantilever erection steel girder bridge Download PDFInfo
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- CN208803363U CN208803363U CN201821210535.1U CN201821210535U CN208803363U CN 208803363 U CN208803363 U CN 208803363U CN 201821210535 U CN201821210535 U CN 201821210535U CN 208803363 U CN208803363 U CN 208803363U
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- girder
- truss
- cushion cap
- sliding rail
- hoistway
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Abstract
The utility model discloses a kind of belt track free cantilever erection steel girder bridges, including horizontal running mechanism and vertical lifting mechanism；Horizontal running mechanism includes girder truss, main truss sliding rail, vertical rails, preposition assembled Bolt plate, postposition assembly Bolt plate；The vertical lifting mechanism includes lifting cushion cap, cushion cap sliding rail, hoistway, lower limit part；Main truss sliding rail is horizontally set on the top of the girder truss, makes other girder trusses that can slidably reciprocate along the girder truss；Vertical rails are vertically arranged in the side of girder truss, for sliding up and down for hoistway；Preposition assembly Bolt plate, postposition assembly Bolt plate are separately positioned on the front and rear of girder truss, for connecting adjacent other girder trusses；Lifting cushion cap one end is fixed, and the other end is slided along the hoistway being vertically arranged；The cushion cap sliding rail setting is at the top of lifting cushion cap, for docking with the main truss sliding rail；The outside of hoistway is arranged in upper limit part, for going up and down the positioning of cushion cap.
Description
Technical field
The utility model relates to traffic engineering technical applications, specifically, being a kind of belt track cantilever steel girder bridge.
Background technique
Assembled steel truss-type bridges is usually as temporary construction suspension bridge or is used for solution of emergent event, therefore it is required that bridge structure
Light, mobility strong, convenient transportation is assembled quick, adaptable.Its construction method mostly uses pile foundation or interim piling method.So
And in digestion in water bath region, piling will lead to pollution of waterhead, and the biggish region of but under-clearance little in spanning, pile foundation is undoubtedly
Cost can be improved, while time-consuming longer.
Utility model content
In order to overcome the problems referred above, it is simple, erection exchange rapid, easy to disassemble to provide a kind of portable construction for the utility model
Belt track free cantilever erection steel girder bridge and its construction method.
The utility model adopts the following technical solution:
A kind of belt track free cantilever erection steel girder bridge mainly includes horizontal running mechanism and vertical lifting mechanism；
The horizontal running mechanism includes that girder truss, main truss sliding rail, vertical rails, preposition assembled Bolt plate and postposition are assembled
Bolt plate；The vertical lifting mechanism includes lifting cushion cap, cushion cap sliding rail and hoistway；
The main truss sliding rail is horizontally set on the top of the girder truss, makes other girder trusses can be along the girder truss back and forth
Sliding；
The vertical rails are vertically arranged in the side of girder truss, for sliding up and down for hoistway；
The described preposition assembled Bolt plate, postposition assembly Bolt plate are separately positioned on the front and rear of girder truss, are used for
Connect adjacent other girder trusses；
The lifting cushion cap both ends are fixed on the hoistway；Hoistway is with the lifting cushion cap one
It rises and moves up and down；The cushion cap sliding rail setting is at the top of lifting cushion cap, for docking with the main truss sliding rail.
Further, the preposition assembled Bolt plate can be bolted to connection with the postposition assembly bolt, it is ensured that
The accurate assembly of next section girder truss is in place.
Further, idler wheel, the idler wheel and the main truss sliding rail and cushion cap sliding rail are equipped in the girder truss bottom
It is mating, guarantee that girder truss is not deflected away from along assembled direction sliding.
Further, on the girder truss be equipped with lifting lug, the lifting lug balanced welding on the outside of the girder truss, in order to avoid
Influence bridge assembling construction.
Further, it is provided with bolt hole on the outside of the hoistway, can adjusts or fix lifting cushion cap by elasticity bolt
Position.
Further, when the vertical lifting mechanism is raised to the highest point of vertical rails, the main truss sliding rail and cushion cap are sliding
Point-blank, next section girder truss can slide rail along assembled direction.
Further, the hoistway includes two, and two hoistways are arranged in parallel, top and bottom
The side of respectively one end of two supporting elements of connection, the other end and lifting cushion cap of two supporting elements is fixed；Go up and down the another of cushion cap
Side is fixed on the hoistway.
Further, when the lifting cushion cap is raised to the highest point of hoistway, the main truss sliding rail and cushion cap sliding rail exist
On straight line.
Further, it is provided with lower limit part on the girder truss, the upper limit is equipped on the outside of the hoistway
Position part；When falling on minimum point under the lifting cushion cap, by the position of lower limit part limitation upper limit part, make two section girder truss of front and back
It is maintained on same assembled axis.
Belt track free cantilever erection steel girder bridge construction method is carried out using above-mentioned apparatus, is mainly included the following steps:
A. the vertical lifting mechanism of all girder trusses to be installed is risen into highest point, makes main truss sliding rail and cushion cap sliding rail one
On straight line, the position of the fixed lifting cushion cap of bolt of hoistway is tightened.
B. it drives piles and first segment girder truss is installed.
C. the second section girder truss is lifted to first segment girder truss, the idler wheel of the second section girder truss is made to be directed at first segment purlin
The main truss sliding rail set a roof beam in place, the second section girder truss of sliding to the lifting cushion cap position of first segment girder truss.
D. the bolt for unclamping hoistway, slides hoistway along the vertical rails, so that lifting cushion cap band
The second section girder truss fall at the lower limit part of first segment girder truss.
E. it is bolted the preposition assembled Bolt plate of first segment and the second section postposition assembly Bolt plate, fixes two section girder trusses.
F. the second section of Cable tension girder truss lifting lug is used, girder truss downwarp is avoided.
G. repeat the above steps C~F, until the assembly of final section girder truss is completed.
The beneficial effects of the utility model are:
1. the utility model component is few, portable construction is simple, sets up exchange rapid, easy to disassemble, material can be effectively reduced
The problem of stacking and influencing the construction of other items.
2. the utility model portable construction is simple, spelling group and dismounting can be manually carried out, construction noise is few, in installation process
Without welding, pollution is reduced, saving of labor, material-saving, province are mechanical in construction, and reusable after dismounting, economy, the value of environmental protection are high.
3. the utility model is standard installation component, all components and accessory are all general, have height interchangeability.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is horizontal running mechanism schematic diagram described in the utility model.
Fig. 2 is vertical lifting structural scheme of mechanism described in the utility model.
Fig. 3 is main truss sliding rail and cushion cap sliding rail connection schematic diagram when elevating mechanism rises to highest point in the utility model.
Fig. 4 is idler wheel and sliding rail connection schematic diagram in the utility model.
Fig. 5 is two section girder truss main truss sliding rail connection schematic diagram in the utility model.
Fig. 6 is a section truss erection schematic diagram under the utility model.
Fig. 7 is that a section girder truss is horizontally slid to a schematic diagram under the utility model.
Fig. 8 is that a section girder truss vertically lands schematic diagram under the utility model.
Fig. 9 is that a section girder truss vertically lands schematic diagram in place under the utility model.
Figure 10 is that a section girder truss is installed in place schematic diagram under the utility model.
In figure: 1-girder truss；2-main truss sliding rails；3-vertical rails；4-preposition assembled Bolt plates；5-postpositions are assembled
Bolt plate；6-lower limit parts；7-lifting lugs；8-idler wheels；9-lifting cushion caps；10-cushion cap sliding rails；11-hoistways；12—
Upper limit part.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the utility model, only indicate and attached drawing
The upper and lower, left and right direction of itself is consistent, not to structure rise restriction effect, it is only for convenient for description the utility model and
Simplify description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.
Explanation of nouns part: " lifting cushion cap " described in the utility model refers to a common cushion cap, liftable；
" cushion cap sliding rail " refers to the common skid rail for cushion cap sliding；" hoistway " refers to a common sliding rail, can be along
The lifting of other tracks；" vertical rails " refer to vertically arranged common skid rail；" main truss sliding rail ", which refers to, to be mounted on girder truss
Common skid rail；" preposition assembly Bolt plate, postposition assembly Bolt plate " just refers to common plank, and the plank is provided with bolt
Hole is located at front or behind, the assembly for adjacent truss beam.
As background technique is introduced, assembled steel truss-type bridges is usually as temporary construction suspension bridge or use in the prior art
In solution of emergent event, therefore it is required that bridge structure is light, mobility strong, convenient transportation is assembled quick, adaptable.It is applied
Work method mostly uses pile foundation or interim piling method.However in digestion in water bath region, piling will lead to pollution of waterhead, spanning not
The big but biggish region of under-clearance, pile foundation can undoubtedly improve cost, while time-consuming longer.In order to which the technology for solving as above is asked
Topic, present applicant proposes a kind of the utility model to provide the band rail that a kind of portable construction is simple, sets up exchange rapid, easy to disassemble
Road free cantilever erection steel girder bridge and its construction method.The utility model component is few, portable construction is simple, sets up rapidly, convenient for tearing open
The problem of dress exchanges, and can effectively reduce placing of material and influence the construction of other items.
In a kind of typical embodiment of the application, a kind of belt track free cantilever erection steel girder bridge, main includes level
Walking mechanism and vertical lifting mechanism；The horizontal running mechanism includes girder truss, main truss sliding rail, vertical rails, preposition assembly
Bolt plate, postposition assembly Bolt plate；Vertical lifting mechanism includes lifting cushion cap, cushion cap sliding rail, hoistway；Main truss sliding rail is horizontal
The top of the girder truss is set, makes other girder trusses that can slidably reciprocate along the girder truss；The vertical rails are set vertically
It sets in the side of girder truss, for sliding up and down for hoistway；Preposition assembly Bolt plate, postposition assembly Bolt plate are respectively set
In the front and rear of girder truss, for connecting adjacent other girder trusses；Lifting cushion cap one end is fixed, and the other end is along vertical
The hoistway of setting slides；The cushion cap sliding rail setting is at the top of lifting cushion cap, for docking with the main truss sliding rail.
The utility model portable construction is simple, can manually carry out spelling group and dismounting, and construction noise is few, and welding is not had in installation process,
Pollution is reduced, saving of labor, material-saving, province are mechanical in construction, and reusable after dismounting, economy, the value of environmental protection are high.The utility model is
Standard installation component, all components and accessory are all general, have height interchangeability.
The structure of the utility model is described in detail with reference to the accompanying drawing:
As shown in Figure 1, horizontal running mechanism includes girder truss 1, main truss sliding rail 2, vertical rails 3, preposition assembled Bolt plate
4, postposition assembly Bolt plate 5, lower limit part 6, lifting lug 7, idler wheel 8；
Girder truss 1 is existing truss beam element；Main truss sliding rail 2 includes two, and two main truss sliding rails 2 are horizontally set on institute
The top for stating girder truss 1 makes other girder trusses that can slidably reciprocate along the girder truss；Two main truss sliding rails 2 are parallel to each other, further
, two main truss sliding rails 2 are arranged on the girder of girder truss 1；
Vertical rails 3 also include two, are vertically arranged on a side of girder truss, above and below hoistway
Sliding；The side is also the joint face of the girder truss 1 and other sides.
Further, vertical T-shaped slide rail or other sliding rails may be selected in vertical rails 3.
It is preposition assembly Bolt plate 4, postposition assembly Bolt plate 5 respectively include two, be separately positioned on girder truss front and
Rear portion, for connecting adjacent other girder trusses；Four assembled Bolt plates are parallel to each other, and preposition assembled Bolt plate 4 is in truss
The mounting surface of beam 1 and the mounting surface of two vertical rails 3 are the same；It is specifically shown in Fig. 1.
Lifting lug 7 is also equipped on girder truss 1；7 balanced welding of lifting lug is on the outside of the girder truss, in order to avoid influence bridge
Assembling construction.
Further, it being equipped with idler wheel 8 in girder truss bottom, the idler wheel and the main truss sliding rail and cushion cap sliding rail are mating,
Guarantee that girder truss is not deflected away from along assembled direction sliding.
As shown in Fig. 2, the vertical lifting mechanism includes lifting cushion cap 9, cushion cap sliding rail 10, hoistway 11, upper limit
Part 12；
Lifting 9 one end of cushion cap is fixed, and the other end is slided along the hoistway 11 being vertically arranged；The cushion cap sliding rail 10
Setting is at 9 top of lifting cushion cap, for docking with the main truss sliding rail 2；The hoistway includes two, two liftings
Slideway is arranged in parallel, one end of each two supporting elements of connection in top and bottom, the other end of two supporting elements and lifting
The side of cushion cap is fixed, and the other side for going up and down cushion cap is fixed on hoistway 11；And hoistway, two supporting elements form one
The structure of a triangle, as shown in Figure 2；
Wherein, common support rod or other support devices may be selected in supporting element.
Wherein, the outside of hoistway is arranged in upper limit part, for going up and down the positioning of cushion cap.
Further, the preposition assembled Bolt plate can be bolted to connection with the postposition assembly bolt, it is ensured that
The accurate assembly of next section girder truss is in place.
Further, it is provided with bolt hole on the outside of the hoistway, can adjusts or fix lifting cushion cap by elasticity bolt
Position.
Further, when the lifting cushion cap is raised to the highest point of hoistway, the main truss sliding rail and cushion cap sliding rail exist
On straight line, next section girder truss can be slided along assembled direction.
Further, it when the entire vertical lifting mechanism is raised to the highest point of vertical rails, the main truss sliding rail and holds
Platform sliding rail is point-blank.
Further, it is provided with lower limit part on the girder truss, the upper limit is equipped on the outside of the hoistway
Position part；When falling on minimum point under the lifting cushion cap, by the position of lower limit part limitation upper limit part, make two section girder truss of front and back
It is maintained on same assembled axis.
Belt track free cantilever erection steel girder bridge construction method is carried out using above-mentioned apparatus, is mainly included the following steps:
A. the vertical lifting mechanism of all girder trusses to be installed is risen into highest point, makes main truss sliding rail and cushion cap sliding rail one
On straight line, the position of the fixed lifting cushion cap of bolt of hoistway is tightened.
B. it drives piles and first segment girder truss is installed.
C. the second section girder truss is lifted to first segment girder truss, the idler wheel of the second section girder truss is made to be directed at first segment purlin
The main truss sliding rail set a roof beam in place, the second section girder truss of sliding to the lifting cushion cap position of first segment girder truss.
D. the bolt for unclamping hoistway, slides hoistway along the vertical rails, so that lifting cushion cap band
The second section girder truss fall at the lower limit part of first segment girder truss.
E. it is bolted the preposition assembled Bolt plate of first segment and the second section postposition assembly Bolt plate, fixes two section girder trusses.
F. the second section of Cable tension girder truss beam lifting lug is used, girder truss downwarp is avoided.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. a kind of belt track free cantilever erection steel girder bridge, which is characterized in that including horizontal running mechanism and vertical lifting mechanism；
The horizontal running mechanism includes girder truss, main truss sliding rail, vertical rails, preposition assembled Bolt plate and postposition assembly bolt
Plate；The vertical lifting mechanism includes lifting cushion cap, cushion cap sliding rail and hoistway；
The main truss sliding rail is horizontally set on the top of the girder truss, slide other girder trusses can along the girder truss back and forth
It is dynamic；
The vertical rails are vertically arranged in the side of girder truss, for sliding up and down for hoistway；
The described preposition assembled Bolt plate, postposition assembly Bolt plate are separately positioned on the front and rear of girder truss, for connecting
Adjacent other girder trusses；
The lifting cushion cap both ends are fixed on the hoistway；Hoistway with the lifting cushion cap together on
Lower movement；The cushion cap sliding rail setting is at the top of lifting cushion cap, for docking with the main truss sliding rail.
2. belt track free cantilever erection steel girder bridge as described in claim 1, which is characterized in that the preposition assembled Bolt plate with
The postposition assembly bolt of other girder trusses can be bolted to connection, it is ensured that the accurate assembly of next section girder truss is in place.
3. belt track free cantilever erection steel girder bridge as described in claim 1, which is characterized in that set in the girder truss bottom
There is idler wheel, the idler wheel and the main truss sliding rail and cushion cap sliding rail are mating, guarantee that girder truss is not deflected away from along assembled direction sliding.
4. belt track free cantilever erection steel girder bridge as described in claim 1, which is characterized in that be equipped on the girder truss
Lifting lug, the lifting lug balanced welding is on the outside of the girder truss.
5. belt track free cantilever erection steel girder bridge as described in claim 1, which is characterized in that be provided on the outside of the hoistway
Bolt hole can be adjusted or be fixed lifting cushion cap position by elasticity bolt.
6. belt track free cantilever erection steel girder bridge as described in claim 1, which is characterized in that the hoistway includes two
A, two hoistways are arranged in parallel, one end of each two supporting elements of connection in top and bottom, two supporting elements it is another
One end and the side of lifting cushion cap are fixed；The other side of lifting cushion cap is fixed on the hoistway.
7. belt track free cantilever erection steel girder bridge as described in claim 1, which is characterized in that the vertical lifting mechanism is raised to
When the highest point of vertical rails, the main truss sliding rail and cushion cap sliding rail are point-blank.
8. belt track free cantilever erection steel girder bridge as described in claim 1, which is characterized in that be arranged on the girder truss
There is lower limit part, upper limit part is equipped on the outside of the hoistway；When falling on minimum point under the lifting cushion cap, by lower limit
The position of position part limitation upper limit part, is maintained at two section girder truss of front and back on same assembled axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210535.1U CN208803363U (en) | 2018-07-27 | 2018-07-27 | A kind of belt track free cantilever erection steel girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210535.1U CN208803363U (en) | 2018-07-27 | 2018-07-27 | A kind of belt track free cantilever erection steel girder bridge |
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| CN208803363U true CN208803363U (en) | 2019-04-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755384A (en) * | 2018-07-27 | 2018-11-06 | 山东大学 | A kind of belt track free cantilever erection steel girder bridge and its construction method |
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2018
- 2018-07-27 CN CN201821210535.1U patent/CN208803363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108755384A (en) * | 2018-07-27 | 2018-11-06 | 山东大学 | A kind of belt track free cantilever erection steel girder bridge and its construction method |
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