CN218861329U - Be applied to assembled guardrail baffle device of bridge displacement buffering - Google Patents
Be applied to assembled guardrail baffle device of bridge displacement buffering Download PDFInfo
- Publication number
- CN218861329U CN218861329U CN202222760489.5U CN202222760489U CN218861329U CN 218861329 U CN218861329 U CN 218861329U CN 202222760489 U CN202222760489 U CN 202222760489U CN 218861329 U CN218861329 U CN 218861329U
- Authority
- CN
- China
- Prior art keywords
- baffle
- bolt hole
- guardrail
- bridge
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model discloses a solve current bridge longitudinal displacement, guardrail baffle and concrete guardrail take place the problem of friction influence, provide a be applied to assembled guardrail baffle device of bridge displacement buffering, including the girder, build the concrete guardrail on the girder, guardrail baffle device installs on the concrete guardrail, guardrail baffle device includes overhead gage, preceding baffle and backplate, be provided with the bolt hole on overhead gage, preceding baffle and the backplate respectively, the bolt hole is strip semi-circular structure, sets up buried bolt and matches in bolt hole installation fixed guardrail baffle device in advance, bridge longitudinal displacement, buried bolt moves in the bolt hole along with bridge longitudinal displacement in advance.
Description
Technical Field
The utility model relates to a bridge engineering construction equipment's technical field, concretely relates to be applied to assembled guardrail baffle device of bridge displacement buffering.
Background
At present, bridge anticollision barrier has the circumstances that eminence construction difficulty, inconvenient operation and security are relatively poor in a large number in the work progress. The bridge anticollision barrier is under construction to expansion joint department disconnection, accomplishes the back at the expansion joint construction, installs the guardrail baffle in the anticollision barrier department of disconnection. When the bridge receives and takes place longitudinal displacement under the circumstances such as expend with heat and contract with cold, baffle device can not remove along with bridge longitudinal displacement, and prior art under this circumstances, the pre-buried bolt of baffle device installation does not have relative displacement and produces, has increased the frictional force of guardrail baffle device and concrete guardrail for structural stability receives the influence, has resulted in the potential safety hazard of guardrail baffle device in the work progress.
The utility model patent application with the application number of CN201921110166.3 discloses a shear-resistant and shock-insulation assembled type synchronous displacement comb-shaped expansion device, which aims at a large-span bridge; the method comprises the following steps: the left and right displacement boxes, the hinges, the displacement box beams, the cross beams, the garbage separation plates and the left, middle and right comb plates are fixedly connected to the beam ends; each comb plate is fixedly connected with the lower component through an anti-shearing high-strength bolt, and the cross beam is arranged on the displacement box girder; at least one group of shock absorption and isolation support is arranged below the comb teeth of each comb plate. Through holes are processed at the non-comb positions of the comb plates, shear pins are fixedly connected in the through holes, steel rings are arranged on the peripheries of the lower parts of the shear pins, and high-performance elevation adjusting fillers are poured between the steel rings and the shear pins; a garbage separating plate and a dust guard are arranged below the comb teeth of each comb plate, and the left side or the left side and the right side of the garbage separating plate are both in a sawtooth shape. The utility model discloses an overcome the anti shear fatigue problem of broach shape bridge telescoping device, be favorable to extruding mud, shortened construction cycle greatly, the installation is convenient, save time, accurate. But adopt the technical scheme that this application provided, when taking place longitudinal displacement to the bridge, do not have effectual technical scheme and can solve guardrail baffle and concrete guardrail and take place the friction, lead to structural stability to receive the problem of influence.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an invention aim at, to the problem that exists, for solving current bridge longitudinal displacement, guardrail baffle takes place the problem of friction influence with concrete barrier, provides an assembled guardrail baffle device who is applied to bridge displacement buffering, including the girder, build concrete barrier on the girder, guardrail baffle device installs on the concrete barrier, guardrail baffle device includes overhead gage, preceding baffle and backplate, be provided with the bolt hole on overhead gage, preceding baffle and the backplate respectively, the bolt hole is strip semi-circular structure, sets up buried bolt and matches in bolt hole installation fixed guardrail baffle device, bridge longitudinal displacement, buried bolt removes in the bolt hole along with bridge longitudinal displacement.
The utility model adopts the technical scheme as follows:
the utility model discloses a be applied to assembled guardrail baffle device of bridge displacement buffering, including the girder, build concrete barrier on the girder, guardrail baffle device installs on the concrete barrier, guardrail baffle device includes overhead gage, preceding baffle and backplate, be provided with the bolt hole on overhead gage, preceding baffle and the backplate respectively, the bolt hole is strip semi-circular structure, sets up buried bolt and matches in bolt hole installation fixed guardrail baffle device, the vertical displacement of bridge, buried bolt removes along with the vertical displacement of bridge in the bolt hole in advance.
The mounting structure further comprises an upper baffle plate, wherein the bolt hole comprises an upper baffle plate bolt hole, a pre-buried bolt is arranged on the upper baffle plate bolt hole, and the upper baffle plate is mounted through the upper baffle plate bolt hole and the pre-buried bolt; the both sides outer fringe of overhead gage includes connecting portion, sets up connecting portion and is arc column structure, is connected with preceding baffle and backplate through the connecting portion of overhead gage both sides.
Further, including the backplate, the backplate passes through connecting portion and is connected with one side of last baffle, and the backplate is connected with last baffle and is formed the connection contained angle, and the backplate is bar platelike structure, is provided with the bolt hole on the backplate, the bolt hole includes first bolt hole, second bolt hole and third bolt hole, sets up first bolt hole, second bolt hole and third bolt hole along the length direction equidistance of backplate.
Further, including preceding baffle, preceding baffle passes through connecting portion and is connected with one side of overhead gage, preceding baffle and backplate are connected in the both sides of overhead gage, and preceding baffle is connected with the overhead gage and forms the contained angle of being connected, the angle of connecting the contained angle equals the angle that the overhead gage is connected with the overhead gage and forms the contained angle of being connected.
Furthermore, the front baffle comprises a first plate body, a second plate body and a third plate body, wherein the first plate body, the second plate body and the third plate body are respectively connected, and a connection included angle is formed at the connection position; be provided with the bolt hole on the preceding baffle, the bolt hole includes first bolt hole, second bolt hole and third bolt hole, and first bolt hole and second bolt hole set up on first plate body, and the third bolt hole sets up on the third plate body, sets up the high setting of bolt hole on highly matching in the backplate of first bolt hole, second bolt hole and third bolt hole.
Further, the concrete guardrail includes first rack and second rack, and the height that highly is less than the second rack that sets up first rack is connected fixedly with preceding baffle, and the second rack is connected fixedly with the backplate.
Further, the widths of the upper baffle, the front baffle and the rear baffle are set to be consistent.
Furthermore, the guardrail baffle device comprises an upper baffle, a front baffle and a rear baffle, wherein bolt holes are formed in the upper baffle, the front baffle and the rear baffle and are arranged on the same coronal plane, and the positions of the bolt holes are deviated from the central line of the guardrail baffle device.
Furthermore, the main beam is paved to form a bridge deck cast-in-place layer and a bridge deck pavement layer, a first net rack is arranged to be connected with the front baffle, and the connecting end of the first net rack and the front baffle is connected with the bridge deck cast-in-place layer and the bridge deck pavement layer.
Furthermore, the bolt holes are of strip-shaped semicircular structures, and the opening aperture R of the bolt holes is formed by combining semicircular structures with two ends D20mm and square structures with the middle 20mm multiplied by 20 mm.
The technical effects of the utility model are as follows:
the utility model discloses a be applied to assembled guardrail baffle device of bridge displacement buffering, when the bridge because of the longitudinal displacement takes place under the reasons such as expend with heat and contract with cold, baffle device can not remove along with the longitudinal displacement of bridge, and pre-buried bolt removes along with the longitudinal displacement of bridge in the bolt hole, reduces guardrail baffle device and concrete barrier and takes place the friction, when effectively alleviating because of the longitudinal displacement of bridge, guardrail baffle device and concrete major structure's friction.
Drawings
Fig. 1 is a schematic view of the barrier fence device of the present invention;
figure 2 is an isometric view of the barrier device of the present invention;
FIG. 3 is a comparative view of the bolt hole of the present invention;
fig. 4 is a schematic view of the upper baffle plate of the guardrail of the utility model;
fig. 5 is a schematic view of the front barrier of the guardrail of the present invention;
fig. 6 is a schematic view of the guardrail tailgate of the present invention;
the labels in the figure are: 1-main beam, 2-concrete guardrail, 201-first net rack, 202-second net rack, 3-upper baffle, 301-connecting part, 4-front baffle, 401-first plate, 402-second plate, 403-third plate, 5-rear baffle, 6-bolt hole, 601-first bolt hole, 602-second bolt hole, 603-third bolt hole, 604-upper baffle bolt hole, 7-embedded bolt, 8-bridge deck cast-in-place layer and 9-bridge deck pavement layer.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
In this embodiment, the adopted data is a preferred scheme, but is not used to limit the present invention;
example 1
As shown in fig. 1-6, this embodiment provides an assembled guardrail baffle device for bridge displacement buffering, including the girder, build concrete barrier on the girder, guardrail baffle device installs on the concrete barrier, guardrail baffle device includes overhead gage, preceding baffle and backplate, be provided with the bolt hole on overhead gage, preceding baffle and the backplate respectively, the bolt hole is strip semicircular structure, sets up buried bolt and matches in the fixed guardrail baffle device of bolt hole installation, bridge longitudinal displacement, buried bolt removes in the bolt hole along with bridge longitudinal displacement.
As shown in figure 3, be different from prior art, prior art adopts the bolt hole that the diameter is 20mm to set up on the guardrail baffle, when this structural design received under the circumstances such as expend with heat and contract with cold and takes place longitudinal displacement, retaining device can not remove along with bridge longitudinal displacement, the buried bolt in advance of retaining device installation does not have relative displacement and produces, the frictional force of guardrail retaining device and concrete guardrail has been increased for structural stability receives the influence, the potential safety hazard of guardrail retaining device in the work progress has been led to. In this embodiment, the bolt hole is strip semicircular structure, and the opening aperture R of bolt hole sets up to both ends D20mm semicircle and middle 20mm square structure combination for when the bridge because of the reason such as expend with heat and contract with cold and take place longitudinal displacement, retaining device can not remove along with the longitudinal displacement of bridge, and embedded bolt removes along with the longitudinal displacement of bridge in the bolt hole, reduces guardrail retaining device and concrete barrier and takes place the friction.
In the embodiment, the device comprises an upper baffle plate, wherein the bolt hole comprises an upper baffle plate bolt hole, an embedded bolt is arranged on the upper baffle plate bolt hole, and the upper baffle plate is installed through the upper baffle plate bolt hole and the embedded bolt; the both sides outer fringe of overhead gage includes connecting portion, sets up connecting portion and is arc column structure, is connected with preceding baffle and backplate through the connecting portion of overhead gage both sides. As shown in FIG. 4, the junction of the upper baffle plate and the front baffle plate and the rear baffle plate comprises the transitional arc-shaped connecting part, so that the junction is in flexible transition, and the problem that the stability of the guardrail baffle plate is insufficient due to the vertical connecting angle is avoided.
In this embodiment, including the backplate, the backplate passes through connecting portion to be connected with one side of last baffle, and the backplate is connected with last baffle and is formed the connection contained angle, and the backplate is bar platelike structure, is provided with the bolt hole on the backplate, the bolt hole includes first bolt hole, second bolt hole and third bolt hole, sets up first bolt hole, second bolt hole and third bolt hole along the length direction equidistance of backplate. Further, including preceding baffle, preceding baffle passes through connecting portion and is connected with one side of overhead gage, preceding baffle and backplate are connected in the both sides of overhead gage, and preceding baffle is connected with the overhead gage and forms the contained angle of being connected, the angle of connecting the contained angle equals the angle that the overhead gage is connected with the overhead gage and forms the contained angle of being connected.
In this embodiment, the connection included angle formed by the front baffle and the upper baffle is the same as the connection included angle formed by the rear baffle and the upper baffle, the connection included angle is an acute angle, and the rear baffle, the front baffle and the upper baffle form a self-stabilizing structure under the condition of no external force.
In this embodiment, as shown in fig. 5, the front baffle includes a first plate, a second plate and a third plate, the first plate, the second plate and the third plate are connected respectively, and a connection included angle is formed at the connection position; be provided with the bolt hole on the preceding baffle, the bolt hole includes first bolt hole, second bolt hole and third bolt hole, and first bolt hole and second bolt hole set up on first plate body, and the third bolt hole sets up on the third plate body, sets up the high setting of bolt hole on highly matching in the backplate of first bolt hole, second bolt hole and third bolt hole.
That is, in this embodiment, set up the buried bolt connection bolt hole, preferably, adopt expansion bolts to use as buried bolt in advance, bolt hole and buried bolt match installation fixed guardrail baffle, set up the structural formation stable support of preceding baffle for the holistic focus of guardrail baffle device remains stable, sets up simultaneously before baffle and backplate on the high position of bolt hole on the same horizontal plane, guaranteed structural connection's stability.
Example 2
As shown in fig. 1-6, this embodiment provides an assembled guardrail baffle device applied to bridge displacement buffering, including the girder, set up concrete barrier on the girder, guardrail baffle device installs on the concrete barrier, guardrail baffle device includes overhead gage, preceding baffle and backplate, be provided with the bolt hole on overhead gage, preceding baffle and the backplate respectively, the bolt hole is strip semicircular structure, sets up buried bolt and matches in bolt hole installation fixed guardrail baffle device, bridge longitudinal displacement, buried bolt removes in the bolt hole along with bridge longitudinal displacement.
In this embodiment, as shown in fig. 2, the concrete barrier includes a first net rack and a second net rack, the height of the first net rack is lower than the height of the second net rack, the first net rack is fixedly connected with the front baffle, and the second net rack is fixedly connected with the rear baffle. Furthermore, the main beam is paved to form a bridge deck cast-in-place layer and a bridge deck pavement layer, a first net rack is arranged to be connected with the front baffle, and the connecting end of the first net rack and the front baffle is connected with the bridge deck cast-in-place layer and the bridge deck pavement layer. That is, in this embodiment, because the link of first rack and preceding baffle is connected with cast-in-place layer of bridge floor and bridge deck pavement layer, set up in the third plate body of preceding baffle stretches into in cast-in-place layer of bridge floor and the bridge deck pavement layer, is connected fixedly with first rack.
In this embodiment, the widths of the upper baffle, the front baffle and the rear baffle are set to be the same. Preferably, the upper baffle, the front baffle and the rear baffle are arranged to have a width of 35cm and a thickness of 5cm.
In this embodiment, guardrail baffle device includes overhead gage, preceding baffle and backplate, is provided with the bolt hole on overhead gage, preceding baffle and the backplate on in same coronal plane, the position skew guardrail baffle device's central line setting of bolt hole. In this embodiment, set up guardrail baffle device's focus skew, so, with bolt hole eccentric settings fixed guardrail baffle device position, guarantee guardrail baffle device self stability.
The above description is only a preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. The utility model provides an assembled guardrail baffle device for bridge displacement buffering, includes girder (1), builds concrete barrier (2) on girder (1), its characterized in that, guardrail baffle device installs on concrete barrier (2), guardrail baffle device includes overhead gage (3), preceding baffle (4) and backplate (5), be provided with bolt hole (6) on overhead gage (3), preceding baffle (4) and backplate (5) respectively, bolt hole (6) are the strip semicircular structure, set up buried bolt (7) and match in bolt hole (6) installation fixed guardrail baffle device, bridge longitudinal displacement, buried bolt (7) are removed in bolt hole (6) along with bridge longitudinal displacement.
2. The assembled guardrail baffle device applied to bridge displacement buffering is characterized by comprising an upper baffle plate (3), wherein the bolt holes (6) comprise upper baffle plate bolt holes (604), embedded bolts (7) are arranged on the upper baffle plate bolt holes (604), and the upper baffle plate (3) is installed through the upper baffle plate bolt holes (604) and the embedded bolts (7); the outer edges of the two sides of the upper baffle (3) comprise connecting parts (301), the connecting parts (301) are arranged to be arc-shaped structures, and the connecting parts (301) on the two sides of the upper baffle (3) are connected with the front baffle (4) and the rear baffle (5).
3. The assembled guardrail baffle device applied to bridge displacement buffering is characterized by comprising a rear baffle (5), wherein the rear baffle (5) is connected with one side of an upper baffle (3) through a connecting part (301), the rear baffle (5) is connected with the upper baffle (3) to form a connecting included angle, the rear baffle (5) is of a strip-shaped plate-shaped structure, bolt holes (6) are formed in the rear baffle (5), the bolt holes (6) comprise first bolt holes (601), second bolt holes (602) and third bolt holes (603), and the first bolt holes (601), the second bolt holes (602) and the third bolt holes (603) are arranged at equal intervals along the length direction of the rear baffle (5).
4. The assembled guardrail baffle device applied to bridge displacement buffering is characterized by comprising a front baffle (4), wherein the front baffle (4) is connected with one side of an upper baffle (3) through a connecting part (301), the front baffle (4) and a rear baffle (5) are connected with two sides of the upper baffle (3), the front baffle (4) is connected with the upper baffle (3) to form a connecting included angle, and the angle of the connecting included angle is equal to the angle formed by connecting the rear baffle (5) with the upper baffle (3).
5. The assembled guardrail baffle device applied to bridge displacement buffering is characterized in that the front baffle (4) comprises a first plate body (401), a second plate body (402) and a third plate body (403), wherein the first plate body (401), the second plate body (402) and the third plate body (403) are respectively connected, and a connection included angle is formed at the connection position; be provided with bolt hole (6) on preceding baffle (4), bolt hole (6) include first bolt hole (601), second bolt hole (602) and third bolt hole (603), and first bolt hole (601) and second bolt hole (602) set up on first plate body (401), and third bolt hole (603) set up on third plate body (403), set up the high setting of bolt hole (6) on back baffle (5) is matchd to the height of first bolt hole (601), second bolt hole (602) and third bolt hole (603).
6. The assembled guardrail baffle device applied to bridge displacement buffering of claim 5, wherein the concrete guardrail comprises a first net rack (201) and a second net rack (202), the height of the first net rack (201) is set to be lower than that of the second net rack (202), the first net rack (201) is fixedly connected with the front baffle (4), and the second net rack (202) is fixedly connected with the rear baffle (5).
7. The fabricated guardrail baffle device applied to bridge displacement buffering of claim 1 or 6, wherein the widths of the upper baffle (3), the front baffle (4) and the rear baffle (5) are set to be consistent.
8. The assembled guardrail baffle device applied to bridge displacement buffering is characterized in that the guardrail baffle device comprises an upper baffle plate (3), a front baffle plate (4) and a rear baffle plate (5), wherein bolt holes (6) are formed in the upper baffle plate (3), the front baffle plate (4) and the rear baffle plate (5) and are arranged on the same coronal plane, and the positions of the bolt holes (6) are arranged in a way of deviating from the central line of the guardrail baffle device.
9. The fabricated guardrail baffle device applied to bridge displacement buffering is characterized in that the main beam (1) is paved to form a bridge deck cast-in-place layer (8) and a bridge deck pavement layer (9), a first net rack (201) is arranged to be connected with the front baffle (4), and the connecting end of the first net rack (201) and the front baffle (4) is connected with the bridge deck cast-in-place layer (8) and the bridge deck pavement layer (9).
10. The fabricated guardrail baffle device applied to bridge displacement buffering of claim 1 or 9, wherein the bolt hole (6) is of a strip-shaped semicircular structure, and the opening aperture R of the bolt hole (6) is set as the combination of semicircular structures with two ends D20mm and a square structure with the middle 20mm x 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222760489.5U CN218861329U (en) | 2022-10-19 | 2022-10-19 | Be applied to assembled guardrail baffle device of bridge displacement buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222760489.5U CN218861329U (en) | 2022-10-19 | 2022-10-19 | Be applied to assembled guardrail baffle device of bridge displacement buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218861329U true CN218861329U (en) | 2023-04-14 |
Family
ID=87369600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222760489.5U Active CN218861329U (en) | 2022-10-19 | 2022-10-19 | Be applied to assembled guardrail baffle device of bridge displacement buffering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218861329U (en) |
-
2022
- 2022-10-19 CN CN202222760489.5U patent/CN218861329U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109371815B (en) | Beam-body corrugated steel combined protective shed frame and manufacturing method thereof | |
| KR101356566B1 (en) | Flexible barrier improved impact energy absorbing capacity | |
| CN109024320B (en) | Bridge width splicing structure meeting settlement difference of new bridge and old bridge and construction method | |
| CN105568853A (en) | Large-span steel concrete combined truss girder side position transverse movement and girder dropping construction method | |
| CN101831959A (en) | Energy-dissipation beam column node of buckling-restrained bracing | |
| CN104831652A (en) | Safety telescopic guardrail | |
| WO2018105959A1 (en) | Horizontal support force reinforcement and control system of guardrail installed on slope, horizontal support force reinforcement and control structure of guardrail installed on slope, and guardrail installation method using same | |
| CN218861329U (en) | Be applied to assembled guardrail baffle device of bridge displacement buffering | |
| CN206887784U (en) | Sliding roof formula protecting canopy frame | |
| CN106758741B (en) | Modular box type plate beam structure and pontic erection method based on box type plate beam structure | |
| CN204570533U (en) | The dumpable type isolated column of a kind of safety | |
| CN203716084U (en) | Safe highway guardrail with buffer structure | |
| CN203947436U (en) | The double-deck guardrail of wave beams | |
| CN217556789U (en) | Barrier protection guardrail | |
| IT201900016088A1 (en) | Road safety barrier | |
| CN209194320U (en) | A kind of beam body waveform steel combination protecting canopy frame | |
| CN2856144Y (en) | Steel concrete combined highway guard bar with high impact ductility | |
| CN115110404A (en) | Bridge bent frame pier column-tie beam restorable node based on bent steel plate energy consumption | |
| CN114837114A (en) | Safety anti-collision device on highway bridge | |
| CN104404903B (en) | A kind of anti-Overheight Vehicles clash into the anticollision device, collision-prevention device of bridge | |
| CN211547320U (en) | Bridge expansion joint structure | |
| CN202227267U (en) | Road and bridge guardrail prestressing force transition beam | |
| JP2002227150A (en) | Protective fence end section buffer device | |
| CN102787553A (en) | Transverse compound pier anti-seismic stop structure | |
| CN203113187U (en) | Special quick road slab for expansion joint construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |