CN215164643U - Lightweight does not have welding and assembles type bridge guardrail structure - Google Patents
Lightweight does not have welding and assembles type bridge guardrail structure Download PDFInfo
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- CN215164643U CN215164643U CN202120469396.XU CN202120469396U CN215164643U CN 215164643 U CN215164643 U CN 215164643U CN 202120469396 U CN202120469396 U CN 202120469396U CN 215164643 U CN215164643 U CN 215164643U
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Abstract
The utility model discloses a type bridge guardrail structure is assembled to lightweight solderless, including opening crossbeam, opening stand, channel-section steel connecting piece, channel-section steel splice, tapping bottom plate, bolt. The opening cross beam is formed by bending a steel plate, a through long opening in one side face is not closed, the opening stand column is formed by bending a whole steel plate, the top face and the side opening are not closed, the bottom and the tapping bottom plate are connected through screwing bolts from top to bottom, the tapping bottom plate is embedded in a concrete bridge body or welded on a steel box girder bridge floor, the opening cross beam is connected with the opening stand column through a channel steel connecting piece and a connecting folded plate, the opening cross beam is connected between sections through channel steel splicing pieces, and the connecting positions all adopt bolts. The guardrail has the advantages that the guardrail has high protection level, is integrally free of welding, adopts high-performance steel, reduces the thickness of the steel, lightens the whole weight of the guardrail, is convenient to install, and achieves the purposes of reducing resource waste and reducing construction cost.
Description
Technical Field
The utility model relates to a highway guardrail protection field, in particular to type bridge guardrail structure is assembled to lightweight nothing welding.
Background
In recent years, with the increasing of economy and the rapid development of transportation industry, various roads, railways and sea roads are crossed at multiple places, so that the construction of cross-line bridges is increased, the safety protection of bridge sections is more and more emphasized, and a bridge guardrail is particularly important as the last defense line of the bridge sections. The form of bridge railing at present stage is mainly shaped steel guardrail, can reduce the horizontal wind load that the pontic bore, and the permanent load that the pontic bore is reduced to the weight light than the concrete guardrail simultaneously.
Bridge shaped steel guardrail structure mainly includes welding steel pipe crossbeam and welding combination stand, the majority is Q355 number steel welded structure, account for more than 95% of guardrail overall mass, welding steel pipe crossbeam passes through the high-frequency welding shaping behind the steel sheet buckle, welding combination stand passes through the side cut of polylith thick wall steel sheet, processes such as groove penetration welding shaping, wherein welded processing cost accounts for about 30% of processing cost, material self accounts for about 50% of processing cost, this kind of guardrail weight is great, the field erection is comparatively difficult, need hoist and mount through mechanical equipment, the environmental pollution phenomenon that the welding brought in addition also sharply increases, be not conform to "resource saving, the policy requirement of environment friendly".
Therefore, aiming at the problems of heavy weight, poor installation, welding and multiple environmental pollution existing in the existing bridge profile steel guardrail, the self strength of steel is improved, the wall thickness is reduced, the weight is reduced, open steel pipes and stand columns without welding are designed, the on-site assembly can be facilitated, and the lightweight non-welding assembled bridge guardrail structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a type bridge guardrail structure is assembled to lightweight solderless to compensate the above-mentioned not enough that prior art exists at present.
Will realize through following technical scheme the utility model discloses:
a lightweight non-welding assembled bridge guardrail structure comprises an opening cross beam, an opening upright post, a channel steel connecting piece, a channel steel splicing piece, a tapping bottom plate and bolts, wherein the opening cross beam is formed by bending a steel plate, a through long opening on one side surface of the opening cross beam is not closed, the opening upright post comprises a main body part, a connecting folded plate and a base folded plate, the opening cross beam is formed by bending an integral steel plate, the top surface and the side surface opening of the main body part are not closed, the main body part and a bridge floor are vertically and upwards arranged, the connecting folded plate is arranged at the side opening position of the main body part, the base folded plate is arranged at the bottom edge of the main body part, bolt holes with internal threads are arranged on the tapping bottom plate, the base folded plate and the tapping bottom plate are connected by screwing the bolts from top to bottom, the tapping bottom plate is embedded in a concrete bridge body or welded on the bridge floor of a steel box girder, the opening cross beam is connected with the opening upright post through the channel steel connecting piece and the connecting folded plate, and each section of the opening cross beam is connected through a channel steel splicing piece, and the connecting positions are all provided with bolts.
Furthermore, the opening cross beam, the opening upright post, the channel steel connecting piece and the channel steel splicing piece are all made of high-strength thin-wall steel plates, and the thickness of the steel plates is less than or equal to 4 mm.
Further, the main part includes opening limit and closed limit, and opening limit both sides all set up the connection folded plate, connect the folded plate perpendicular with the opening limit and with opening crossbeam lead to long opening face parallel and level, set up the bolt hole on the connection folded plate, the closed limit comprises three limits, the basis folded plate sets up respectively on the trilateral of closed limit, the basis folded plate on the closed limit relative with the opening limit is bent to the opening direction 90 degrees of opening stand and is sealed the bottom surface of main part, the basis folded plate on remaining closed limit is bent to outside 90 degrees, set up a plurality of bolt hole and cooperate with the tapping bottom plate on the basis folded plate.
Further, the channel-section steel connecting piece penetrates from one end of the opening cross beam, slides to the position connected with the opening stand column, the opening face of the channel-section steel connecting piece and the opening face of the opening cross beam are arranged on the same side, the slotted hole is formed in the channel-section steel connecting piece, the bottom of the nut of the bolt is provided with a clamping groove, and the clamping groove is clamped into the slotted hole.
Further, set up the bolt hole on the open-ended both sides face of channel-section steel splice, set up the bolt hole on the open-ended both sides face of opening crossbeam, the channel-section steel splice penetrates from the one end of opening crossbeam, slides to the hookup location with opening stand bolt matched with, and the one end cover of another opening crossbeam cooperatees in channel-section steel splice outside and bolt hole position, the opening face of channel-section steel connecting piece and the opening face of opening crossbeam are in same one side.
Furthermore, the cross section of the open cross beam comprises a semi-ellipse, a groove shape and a semi-circle, and the cross section of the open upright column comprises a groove shape and a pi shape.
Furthermore, the open cross beam and the open upright post can be filled with foamed aluminum and high molecular compounds.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
(1) through reasonable design, the whole weight of the guardrail becomes light, and the guardrail has high protection grade;
(2) through reasonable design, the open type steel pipe and the upright post are convenient to install;
(3) no welding, environment protection, processing period reduction and engineering cost saving;
(4) and high-performance steel is adopted, so that the steel is thinned, and resources are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view of embodiment 1 of the present invention;
fig. 2 is a schematic rear view of embodiment 1 of the present invention;
fig. 3 is a schematic side view of embodiment 1 of the present invention;
fig. 4 is a schematic perspective view of an open column according to embodiment 1 of the present invention;
fig. 5 is a schematic perspective view of an open cross beam according to embodiment 1 of the present invention;
fig. 6 is a schematic cross-sectional view of an open cross beam according to embodiment 1 of the present invention;
fig. 7 is a schematic perspective view of a channel steel connector according to embodiment 1 of the present invention;
fig. 8 is a schematic perspective view of a channel steel splice according to embodiment 1 of the present invention;
fig. 9 is a schematic view of a bolt and a slot thereof according to embodiment 1 of the present invention;
fig. 10 is a perspective view of the split cross beam assembly according to embodiment 1 of the present invention;
figure 11 is a schematic side view of embodiment 2 of the present invention;
fig. 12 is a schematic cross-sectional view of an open cross beam according to embodiment 2 of the present invention.
The labels in the figures are:
1. an open cross beam; 2. an open upright post; 3. a channel steel connector; 4. a channel steel splice; 5. tapping the bottom plate; 6. a main body portion; 7. connecting the folded plates; 8. a base folded plate; 9. a bridge deck; 10. a long round hole; 11. a card slot; 12. an open edge; 13. a closed edge; 14. bolt holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1-3, an embodiment 1 of a lightweight weldless assembled bridge guardrail structure is schematically illustrated, and includes an open cross beam 1, open columns 2, channel steel connectors 3, channel steel splices 4, a tapping bottom plate 5, and bolts, wherein the open cross beam 1 is formed by bending a steel plate, and one side surface of the opening is not closed, the opening upright post 2 is formed by bending an integral steel plate, the tapping bottom plate 5 is provided with bolt holes with internal threads, the basic folded plate 8 is connected with the tapping bottom plate 5 through screwing bolts from top to bottom, the tapping bottom plate 5 is pre-embedded in a concrete bridge body or welded on a steel box girder bridge floor, the opening cross beam 1 is connected with the opening upright post 2 through a channel steel connecting piece 3 and a connecting folded plate 7, as shown in fig. 10, each section of the open cross beam 1 is connected through a channel steel splicing piece 4, and bolts are adopted at the above connection positions.
The opening beam 1, the opening upright post 2, the channel steel connecting piece 3 and the channel steel splicing piece 4 are all made of high-strength thin-wall steel plates, and the thickness of the steel plates is 4 mm.
As shown in fig. 4, the schematic view of an open column in embodiment 1 of the lightweight weldless fabricated bridge guardrail structure is shown, and the cross-sectional shape of the open column 2 is pi-shaped. The main part 6 includes opening limit 12 and closed limit 13, opening limit 12 both sides all set up connection folded plate 7, connection folded plate 7 is perpendicular and with opening limit 12 leads to long opening face parallel and level, set up bolt hole 14 on the connection folded plate 7, closed limit 13 comprises three limits, basic folded plate 8 sets up respectively on three limits of closed limit 13, basic folded plate 8 on the closed limit 13 relative with opening limit 12 is to opening direction 90 degrees bending of opening stand 2 and close the bottom surface of main part 6, basic folded plate 8 on the remaining closed limit 13 is bent to outside 90 degrees, set up a plurality of bolt hole 14 on the basic folded plate 8 and cooperate with tapping bottom plate 5.
As shown in fig. 5-6, the open cross beam of embodiment 1 of the lightweight weldless assembled bridge guardrail structure is schematically shown, the cross section of the open cross beam 1 is in a groove shape, the open cross beam 1 is formed by bending a steel plate, the through long opening on the back side of the open cross beam 1 is not closed, and bolt holes 14 are formed in two side surfaces of the opening of the open cross beam 1.
As shown in fig. 7, for a channel steel connecting piece schematic diagram of lightweight non-welded assembly type bridge guardrail structure embodiment 1, channel steel connecting piece 3 penetrates from one end of opening crossbeam 1, slides to the position of being connected with opening stand column 2, the opening face of channel steel connecting piece 3 and the opening face of opening crossbeam 1 are in the same side, set up slotted hole 10 on channel steel connecting piece 3, as shown in fig. 9, the nut bottom of bolt sets up draw-in groove 11, and draw-in groove 11 card is gone into in slotted hole 10.
As shown in fig. 8, a schematic view of a channel steel splice in embodiment 1 of a lightweight weldless assembled bridge guardrail structure, bolt holes 14 are formed in two side faces of an opening of the channel steel splice 4, bolt holes 14 are formed in two side faces of an opening cross beam 1, the channel steel splice 4 penetrates from one end of the opening cross beam 1 and slides to a connection position where bolts are matched with an opening upright post 2, one end of another opening cross beam 1 is sleeved outside the channel steel splice 4 and is matched with the bolt holes 14, and an opening face of the channel steel splice 3 and an opening face of the opening cross beam 1 are on the same side.
As shown in fig. 11, a schematic cross-sectional view of embodiment 2 of a lightweight weldless assembled bridge guardrail structure is shown, compared with the structure of embodiment 1, in embodiment 2, the cross-sectional shape of the open cross beam 1 is replaced by a semi-ellipse, the open cross beam 1 is formed by bending a steel plate, the back plane of the open cross beam is not closed, the open upright post 2 is formed by bending an integral steel plate, the tapping bottom plate 5 is provided with a bolt hole with internal threads, the base folded plate 8 and the tapping bottom plate 5 are connected by screwing a bolt from top to bottom, the tapping bottom plate 5 is embedded in a concrete bridge body or welded on a bridge floor of a steel box girder, the open cross beam 1 is connected with the open upright post 2 by a channel steel connector 3 and a connecting folded plate 7, each section of the open cross beam 1 is connected by a channel steel splice 4, and the connecting positions are all made of bolts.
The opening beam 1, the opening upright post 2, the channel steel connecting piece 3 and the channel steel splicing piece 4 are all made of high-strength thin-wall steel plates, and the thickness of the steel plates is 3.5 mm.
The cross section of the open upright post 2 is pi-shaped.
The open cross beam 1 and the open upright post 2 can be filled with foamed aluminum or high molecular compound.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a type bridge guardrail structure is assembled to lightweight solderless, includes opening crossbeam (1), opening stand (2), channel-section steel connecting piece (3), channel-section steel splice (4), tapping bottom plate (5), bolt, its characterized in that: the opening cross beam (1) is formed by bending a steel plate, a through long opening on one side is not closed, the opening upright post (2) comprises a main body part (6), a connecting folded plate (7) and a base folded plate (8), the opening is formed by bending an integral steel plate, the top surface and the side opening of the main body part (6) are not closed, the main body part (6) and a bridge deck (9) are vertically and upwards arranged, the connecting folded plate (7) is arranged at the side opening position of the main body part (6), the base folded plate (8) is arranged at the bottom edge of the main body part (6), a bolt hole with internal threads is arranged on the tapping bottom plate (5), the base folded plate (8) and the tapping bottom plate (5) are connected by screwing a bolt from top to bottom, the tapping bottom plate (5) is pre-buried in a concrete bridge body or welded on the bridge deck of the steel box girder, the opening cross beam (1) is connected with the opening upright post (2) through a channel steel connecting piece (3) and the connecting folded plate (7), the open cross beam (1) is connected with each section through a channel steel splicing piece (4), and bolts are adopted at the upper connecting positions.
2. The light-weight weldless assembled type bridge guardrail structure of claim 1, wherein: the opening beam (1), the opening upright column (2), the channel steel connecting piece (3) and the channel steel splicing piece (4) are all made of high-strength thin-wall steel plates, and the thickness of the steel plates is less than or equal to 4 mm.
3. The light-weight weldless assembled type bridge guardrail structure of claim 1, wherein: the main part (6) includes opening limit (12) and closed limit (13), opening limit (12) both sides all set up connection folded plate (7), connection folded plate (7) and opening limit (12) perpendicular and with opening crossbeam (1) lead to long opening face parallel and level, set up bolt hole (14) on connection folded plate (7), closed limit (13) comprise three limits, basic folded plate (8) set up respectively on the trilateral of closed limit (13), basic folded plate (8) on closed limit (13) relative with opening limit (12) are bent to the opening direction 90 degrees of opening stand (2) and are sealed the bottom surface of main part (6), basic folded plate (8) on remaining closed limit (13) are bent to outside 90 degrees, set up a plurality of bolt hole (14) on basic folded plate (8) and cooperate with tapping bottom plate (5).
4. The light-weight weldless assembled type bridge guardrail structure of claim 1, wherein: the one end of opening crossbeam (1) is penetrated in channel-section steel connecting piece (3), slides to and opening stand (2) hookup location, the opening face of channel-section steel connecting piece (3) is in same one side with the opening face of opening crossbeam (1), set up slotted hole (10) on channel-section steel connecting piece (3), the nut bottom of bolt sets up draw-in groove (11), and draw-in groove (11) card is gone into in slotted hole (10).
5. The light-weight weldless assembled type bridge guardrail structure of claim 1, wherein: set up bolt hole (14) on the open-ended both sides face of channel-section steel splice (4), set up bolt hole (14) on the open-ended both sides face of opening crossbeam (1), channel-section steel splice (4) penetrate from the one end of opening crossbeam (1), slide to with opening stand (2) bolt matched with hookup location, the one end cover of another opening crossbeam (1) cooperatees in channel-section steel splice (4) outside and bolt hole (14) position, the opening face of channel-section steel connecting piece (3) is in same one side with the opening face of opening crossbeam (1).
6. The light-weight weldless assembled type bridge guardrail structure of claim 1, wherein: the cross section of the opening beam (1) comprises a semi-ellipse, a groove type and a semicircle, and the cross section of the opening upright post (2) comprises a groove type and a pi type.
7. The light-weight weldless assembled type bridge guardrail structure of claim 1, wherein: the interior of the open cross beam (1) and the open upright post (2) can be filled with foamed aluminum or high molecular compounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120469396.XU CN215164643U (en) | 2021-03-04 | 2021-03-04 | Lightweight does not have welding and assembles type bridge guardrail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120469396.XU CN215164643U (en) | 2021-03-04 | 2021-03-04 | Lightweight does not have welding and assembles type bridge guardrail structure |
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| Publication Number | Publication Date |
|---|---|
| CN215164643U true CN215164643U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120469396.XU Active CN215164643U (en) | 2021-03-04 | 2021-03-04 | Lightweight does not have welding and assembles type bridge guardrail structure |
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| Country | Link |
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| CN (1) | CN215164643U (en) |
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- 2021-03-04 CN CN202120469396.XU patent/CN215164643U/en active Active
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