CN110485293A - A kind of telescopic device of highway bridge guardrail - Google Patents
A kind of telescopic device of highway bridge guardrail Download PDFInfo
- Publication number
- CN110485293A CN110485293A CN201910884978.1A CN201910884978A CN110485293A CN 110485293 A CN110485293 A CN 110485293A CN 201910884978 A CN201910884978 A CN 201910884978A CN 110485293 A CN110485293 A CN 110485293A
- Authority
- CN
- China
- Prior art keywords
- external member
- sliding rail
- connecting plate
- telescopic device
- highway bridge
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention provides a kind of telescopic devices of highway bridge guardrail, including external member, external member is groove structure, bottom is equipped with buffer gear in groove, the outer bottom of external member is equipped with sliding rail, and sliding rail is connect by universal shaft with external member, and external member is two, two sliding rails are connected by connecting plate, and the both ends of connecting plate are slidably connected with two sliding rails respectively.Pass through the mutual cooperation of setting universal shaft, sliding rail, connecting plate and extensible member II etc., so that the telescopic device of the guardrail can not only be swung with the inertia that one side guardrail is hit, it avoids connecting plate and sliding rail is hit and is broken, falls off, extensible member II has preferable antidetonation buffering effect and Telescopic, effectively extends the service life of the connecting plate and sliding rail；By the way that buffer gear is arranged, it can quickly and effectively offset guardrail and pressure instantaneously is generated to connecting plate and sliding rail, further Promoting Layered Buffer effect extends the service life of connecting plate and sliding rail, and structure is simple, easy to use.
Description
Technical field
The invention belongs to Highway bridge technique field, in particular to a kind of telescopic device of highway bridge guardrail.
Background technique
Highway bridge guardrail is most important traffic infrastructure, it plays the development of national economy and society important
Influence is the important maintenance of highway bridge and safety guarantee facility, and guardrail belongs to the outdoor large-scale permanence facility used, existing
Many guardrails in design all without design expansion joint, the phenomenon that causing structure to generate cracking because of the variation of temperature, shadow
The safety of routine use and highway bridge is rung, and the fixation device of bottom mostly uses the mould that can be fixed with mobile base or aperture
Formula is neither easy to guarantee the stability of guardrail, is also easy to road pavement and damages, often do not have fixed effect, currently, public
The expanded joint structure of road Bridge guardrail mainly uses dock structure, dock structure be by a manner of filler as expansion joint
In, the telescopic device anti-collision effect of this Bridge guardrail is undesirable, so that fracture easily occur, fall off, leads to expansion gap device
Reduced service life, so that the maintenance cost of Bridge guardrail greatly increases.
Summary of the invention
The main purpose of the present invention is to provide a kind of telescopic device of highway bridge guardrail, the solution prior art, which exists, stretches
The contracting seam problem that device anti-collision effect is poor, service life is short.
The technical solution of the present invention is as follows: a kind of telescopic device of highway bridge guardrail, including external member, external member are groove knot
Structure, bottom is equipped with buffer gear in groove, and the outer bottom of external member is equipped with sliding rail, and sliding rail is connect by universal shaft with external member, external member
It is two, two sliding rails are connected by connecting plate, and the both ends of connecting plate are slidably connected with two sliding rails respectively.
Preferably, buffer gear includes the card slot that bottom in external member is arranged in, card slot width be greater than groove and with groove phase
It is logical, the identical magnetic board of two pieces of magnetism is arranged in card slot, two pieces of magnetic boards are arranged in parallel, in one of magnetic board and card slot
Bottom is fixedly connected, and another piece of magnetic board is slidably connected with card slot, between two magnetic boards be equipped with extensible member I, the two of extensible member I
End is fixedly connected with two pieces of magnetic boards respectively.
Preferably, two sliding rails are staggered setting, and the both ends of connecting plate are respectively fixed with sliding block, sliding block be fastened in sliding rail and
It is slidably connected with sliding rail.
Preferably, extensible member II is equipped between two external members, the both ends of extensible member II pass through universal shaft and two sets respectively
Part rotation connection.
Preferably, extensible member I includes cylinder, and cylinder is the hollow straight tube of two suits, and the opening of two straight tubes is opposite to be covered
It closes, spring is equipped with inside straight tube, the both ends of spring are fixedly connected with the inside bottom surface of two straight tubes respectively.
Preferably, extensible member II includes cylinder, and cylinder includes the hollow straight tube of two opposite fittings that are open, two opposite sets
The hollow pipe that internal diameter is sequentially reduced is equipped between the hollow straight tube closed, the both ends of hollow pipe are respectively equipped with detent and stop collar, block
Position is located at the outer wall of hollow pipe, and stop collar is located at the inner wall of hollow pipe, and adjacent hollow pipe is mutually clamped by detent and stop collar
Fitting, the maximum hollow straight tube internal ratio of diameter are equipped with stop collar, and the small hollow straight tube of diameter is outer than being equipped with detent, two skies
Heart straight tube passes through stop collar and detent respectively and the both ends clamping set of fitting hollow pipe is integrated, and bullet is equipped with inside hollow straight tube
Spring, the both ends of spring are fixedly connected with the inside bottom surface of two straight tubes respectively.
Preferably, universal shaft includes U-shaped frame, and the two sides of U-shaped frame are equipped with through-hole, is set inside U-shaped frame by connection frame, connects frame
It is rotatablely connected by cross axle and U-shaped frame, is rotated in collinear two ends insertion through-hole in cross axle and with through-hole
It connects, two ends on another straight line are rotatablely connected with the opening for connecting frame, and the bottom of the bottom and external member that connect frame is solid
Fixed connection.
Preferably, the outside of external member is equipped with dead ring.
The invention has the following beneficial effects:
A kind of telescopic device of highway bridge guardrail provided by the invention passes through setting universal shaft, sliding rail, connecting plate and extensible member
II equal mutual cooperation is kept away so that the telescopic device of the guardrail can not only be swung with the inertia that one side guardrail is hit
Connecting plate is exempted from and sliding rail is hit and is broken, falls off, extensible member II has preferable antidetonation buffering effect and flexible function
Can, effectively extend the service life of the connecting plate and sliding rail；By the way that buffer gear is arranged, guardrail can be quickly and effectively offset
Pressure instantaneously is generated to connecting plate and sliding rail, further Promoting Layered Buffer effect extends the service life of connecting plate and sliding rail, structure
Simply, easy to use.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the telescopic device of highway bridge guardrail provided by the invention；
Fig. 2 is the positive structure diagram of the telescopic device of highway bridge guardrail provided by the invention；
Fig. 3 is the structural schematic diagram of universal shaft in the telescopic device of highway bridge guardrail provided by the invention；
Fig. 4 is the structural schematic diagram of extensible member I in the telescopic device of highway bridge guardrail provided by the invention.
In figure: 1. guardrails；2. external member, 3. dead rings；4. magnetic board；5. sliding block；6. extensible member I；7. extensible member II；8. ten thousand
To axis；9. connecting plate；10. sliding rail.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
A kind of telescopic device of highway bridge guardrail, referring to Fig. 1-4, including external member 2, external member 2 is groove structure, in groove
Bottom is equipped with buffer gear, and the outer bottom of external member 2 is equipped with sliding rail 10, and sliding rail 10 is connect by universal shaft 8 with external member 2, and external member 2 is
Two, two sliding rails 10 are connected by connecting plate 9, and the both ends of connecting plate 9 are slidably connected with two sliding rails 10 respectively.
For the ease of quickly offsetting the pressure that guardrail 1 generates connecting plate 9 and sliding rail 10, buffer gear includes that setting is covering
The card slot of bottom in part 2, card slot width are greater than groove and communicate with groove, and the identical magnetic board of two pieces of magnetism is arranged in card slot
4, two pieces of magnetic boards 4 are arranged in parallel, and one of magnetic board 4 is fixedly connected with bottom in card slot, another piece of magnetic board 4 and card slot
It is slidably connected, extensible member I 6 is equipped between two magnetic boards 4, the both ends of extensible member I 6 are fixedly connected with two pieces of magnetic boards 4 respectively.
Flexible between external member 2 for the ease of expanding, two sliding rails 10 are staggered setting, and the both ends of connecting plate 9 are fixed respectively
There is sliding block 5, sliding block 5 is respectively provided at the different sides of connecting plate 9, and sliding block 5 is fastened in sliding rail 10 and is slidably connected with sliding rail 10.
In order to improve the buffering effect between external member 2, extensible member II 7 is equipped between two external members 2, extensible member II 7
Both ends pass through universal shaft 8 respectively and two external members 2 are rotatablely connected.
For the ease of adjusting, extensible member I 6 includes cylinder, and cylinder is the hollow straight tube of two suits, the opening of two straight tubes
Opposite fitting, straight tube inside are equipped with spring, and the both ends of spring are fixedly connected with the inside bottom surface of two straight tubes respectively.
In order to improve buffering effect, extensible member II 7 includes cylinder, and cylinder includes the hollow straight of two opposite fittings that are open
Tin, the hollow pipe that internal diameter is sequentially reduced is equipped between the hollow straight tube of two opposite fittings, the both ends of hollow pipe are respectively equipped with card
Position and stop collar, detent are located at the outer wall of hollow pipe, and stop collar is located at the inner wall of hollow pipe, and adjacent hollow pipe passes through detent and limit
Position ring is mutually clamped fitting, and the maximum hollow straight tube internal ratio of diameter is equipped with stop collar, and the small hollow straight tube of diameter is outer to be set than on
There is detent, two hollow straight tubes pass through stop collar and detent respectively and the both ends clamping set of fitting hollow pipe is integrated, hollow
Spring is equipped with inside straight tube, the both ends of spring are fixedly connected with the inside bottom surface of two straight tubes respectively.
For the ease of adjusting the direction of guide rail 10, universal shaft 8 includes U-shaped frame, and the two sides of U-shaped frame are equipped with through-hole, in U-shaped frame
Portion is set by connection frame, is connected frame and is rotatablely connected by cross axle and U-shaped frame, is inserted in cross axle in collinear two ends
Enter through-hole and be rotatablely connected with through-hole, two ends on another straight line are rotatablely connected with the opening for connecting frame, connect frame
Bottom is fixedly connected with the bottom of external member.
For the ease of mounting and dismounting external member, the outside of external member 2 is equipped with dead ring 3.
By the external member cutting ferrule 2 of suitable dimension in the end of guardrail 1, reinforced later with dead ring 3.
When the expansion joint between guardrail 1 becomes smaller, guardrail 1 can extend to the direction at expansion joint, and 1 end of guardrail squeezes first
The magnetic board 4 being close to it, so that magnetic board 4, to card slot basal sliding, simultaneous retractable part I 6 is compressed, spring in extensible member I 6
Elastic force and two magnetic boards 4 between repulsion balance out portion extrusion power, remaining extruding force pushes external member 2 to expansion joint side
To movement, the distance between two external members 2 shorten, while the both ends of connecting plate 9 are slided on two sliding rails 10, make two sliding rails
10 distance reduces, and connecting plate 9 is gradually parallel with sliding rail 10, and simultaneous retractable part II 7 is compressed, until remaining extruding force is supported
Disappear.
When the expansion joint between guardrail 1 becomes larger, guardrail 1 can be such that the distance at expansion joint increases, the drawing that 1 end of guardrail generates
Power drives external member 2 mobile, increases the expansion joint between two external members 2, at the same the both ends of connecting plate 9 on two sliding rails 10 to
Opposite direction sliding, increases the distance of two sliding rails 10, connecting plate 9 is gradually vertical with sliding rail 10, II 7 quilt of simultaneous retractable part
It struts, until the pulling force that guardrail 1 generates is cancelled.
When guardrail 1 is knocked, the guardrail 1 on one side can generate outward pulling force due to inertia, and then drive connection frame U-shaped
It is rotated in frame, U-shaped frame is made to balance out the pressure of inertia generation by rotation, and then avoid sliding rail 10 and extensible member II 7 due to drawing
Power and be broken, fall off.
A kind of telescopic device of highway bridge guardrail provided by the invention by setting universal shaft, sliding rail, connecting plate and is stretched
The mutual cooperation of contracting part II etc., so that the telescopic device of the guardrail can not only be put with the inertia that one side guardrail is hit
It is dynamic, it avoids connecting plate and sliding rail is hit and is broken, falls off, extensible member II has preferable antidetonation buffering effect and stretches
Contracting function effectively extends the service life of the connecting plate and sliding rail；By the way that buffer gear is arranged, can quickly and effectively offset
Guardrail instantaneously generates pressure to connecting plate and sliding rail, and further Promoting Layered Buffer effect extends the service life of connecting plate and sliding rail,
Structure is simple, easy to use.
Claims (8)
1. a kind of telescopic device of highway bridge guardrail, it is characterised in that: including external member (2), the external member (2) is groove knot
Structure, bottom is equipped with buffer gear in groove, and the outer bottom of external member (2) is equipped with sliding rail (10), and the sliding rail (10) passes through universal shaft
(8) it is connect with external member (2), the external member (2) is two, and two sliding rails (10) are connected by connecting plate (9), the connecting plate
(9) both ends are slidably connected with two sliding rails (10) respectively.
2. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: the buffer gear packet
Setting is included in the card slot of external member (2) interior bottom, the card slot width is greater than groove and communicates with groove, and two pieces are arranged in card slot
Magnetic identical magnetic board (4), two pieces of magnetic boards (4) are arranged in parallel, and bottom is fixed in one of magnetic board (4) and card slot connects
It connects, another piece of magnetic board (4) is slidably connected with card slot, and extensible member I (6) is equipped between described two magnetic boards (4), described flexible
The both ends of part I (6) are fixedly connected with two pieces of magnetic boards (4) respectively.
3. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: described two sliding rails
(10) be staggered setting, and the both ends of the connecting plate (9) are respectively fixed with sliding block (5), and the sliding block (5) is fastened in sliding rail (10)
And it is slidably connected with sliding rail (10).
4. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: described two external members
(2) extensible member II (7) is equipped between, the both ends of the extensible member II (7) pass through universal shaft (8) respectively and turn with two external members (2)
Dynamic connection.
5. a kind of telescopic device of highway bridge guardrail according to claim 2, it is characterised in that: the extensible member I (6)
Including cylinder, cylinder is the hollow straight tube of two suits, and for the opening of two straight tubes with respect to fitting, straight tube inside is equipped with spring, bullet
The both ends of spring are fixedly connected with the inside bottom surface of two straight tubes respectively.
6. a kind of telescopic device of highway bridge guardrail according to claim 4, it is characterised in that: the extensible member II
It (7) include cylinder, the cylinder includes the hollow straight tube of two opposite fittings that are open, the hollow straight tube of described two opposite fittings
Between be equipped with the hollow pipe that is sequentially reduced of internal diameter, the both ends of the hollow pipe are respectively equipped with detent and stop collar, and detent is located at sky
The outer wall of heart pipe, stop collar are located at the inner wall of hollow pipe, and adjacent hollow pipe is mutually clamped fitting, diameter by detent and stop collar
Maximum hollow straight tube internal ratio is equipped with stop collar, and the small hollow straight tube of diameter is outer than being equipped with detent, two hollow straight tubes point
It is not integrated by the both ends clamping set of stop collar and detent and fitting hollow pipe, spring, spring is equipped with inside hollow straight tube
Both ends be fixedly connected respectively with the inside bottom surface of two straight tubes.
7. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: the universal shaft (8)
Including U-shaped frame, the two sides of the U-shaped frame are equipped with through-hole, are set inside U-shaped frame by connection frame, the connection frame passes through cross axle and U
Type frame is rotatablely connected, and is rotatablely connected in collinear two ends insertion through-hole in the cross axle and with through-hole, another
Two ends on straight line are rotatablely connected with the opening for connecting frame, the fixed company in bottom of the bottom and external member of the connection frame
It connects.
8. a kind of telescopic device of highway bridge guardrail according to claim 1, it is characterised in that: the external member (2)
Outside is equipped with dead ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884978.1A CN110485293B (en) | 2019-09-19 | 2019-09-19 | Expansion device of highway bridge guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884978.1A CN110485293B (en) | 2019-09-19 | 2019-09-19 | Expansion device of highway bridge guardrail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110485293A true CN110485293A (en) | 2019-11-22 |
| CN110485293B CN110485293B (en) | 2021-06-04 |
Family
ID=68558528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910884978.1A Expired - Fee Related CN110485293B (en) | 2019-09-19 | 2019-09-19 | Expansion device of highway bridge guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110485293B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560885A (en) * | 2020-06-17 | 2020-08-21 | 中交第一公路勘察设计研究院有限公司 | Integrated six-stage three-beam metal beam column type guardrail for central separation zone of highway |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100043167A (en) * | 2010-04-07 | 2010-04-28 | 고재용 | Longitudinal inspection road for bridge with bridge expansion joint |
| CN107905101A (en) * | 2017-10-26 | 2018-04-13 | 深圳市佰士晟科技有限公司 | A kind of telescopic device for building highway bridge guardrail |
| CN207469889U (en) * | 2017-08-14 | 2018-06-08 | 李朋波 | A kind of construction guardrail |
| CN207525614U (en) * | 2017-10-24 | 2018-06-22 | 孙亚君 | A kind of Bridge guardrail telescopic device |
| CN207700056U (en) * | 2017-12-31 | 2018-08-07 | 徐海琴 | A kind of telescopic device of highway bridge guardrail |
| CN208857825U (en) * | 2018-09-07 | 2019-05-14 | 魏增智 | A kind of side slope buffering safeguard |
| CN209243576U (en) * | 2018-10-28 | 2019-08-13 | 马新媛 | A kind of telescopic device of highway bridge guardrail |
-
2019
- 2019-09-19 CN CN201910884978.1A patent/CN110485293B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100043167A (en) * | 2010-04-07 | 2010-04-28 | 고재용 | Longitudinal inspection road for bridge with bridge expansion joint |
| CN207469889U (en) * | 2017-08-14 | 2018-06-08 | 李朋波 | A kind of construction guardrail |
| CN207525614U (en) * | 2017-10-24 | 2018-06-22 | 孙亚君 | A kind of Bridge guardrail telescopic device |
| CN107905101A (en) * | 2017-10-26 | 2018-04-13 | 深圳市佰士晟科技有限公司 | A kind of telescopic device for building highway bridge guardrail |
| CN207700056U (en) * | 2017-12-31 | 2018-08-07 | 徐海琴 | A kind of telescopic device of highway bridge guardrail |
| CN208857825U (en) * | 2018-09-07 | 2019-05-14 | 魏增智 | A kind of side slope buffering safeguard |
| CN209243576U (en) * | 2018-10-28 | 2019-08-13 | 马新媛 | A kind of telescopic device of highway bridge guardrail |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111560885A (en) * | 2020-06-17 | 2020-08-21 | 中交第一公路勘察设计研究院有限公司 | Integrated six-stage three-beam metal beam column type guardrail for central separation zone of highway |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110485293B (en) | 2021-06-04 |
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Granted publication date: 20210604 |