CN210917144U - Road side guardrail changeover portion linkage unit - Google Patents
Road side guardrail changeover portion linkage unit Download PDFInfo
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- CN210917144U CN210917144U CN201921766413.5U CN201921766413U CN210917144U CN 210917144 U CN210917144 U CN 210917144U CN 201921766413 U CN201921766413 U CN 201921766413U CN 210917144 U CN210917144 U CN 210917144U
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- guardrail
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Abstract
The utility model relates to a trackside guardrail changeover portion connecting unit, including low-level guardrail stand and senior guardrail stand, be equipped with low-level guardrail and prevent the piece and 5 senior guardrails and prevent the piece respectively, low-level guardrail prevents that the piece lateral surface fixed connection changeover portion backplate is prevented to the piece, first, third, five senior guardrails prevent that the piece is connected with the ring wave roof beam of senior guardrail, the reinforced pipe, second, four senior guardrails prevent that the piece lateral surface is fixed with the changeover portion reinforced pipe, be equipped with 3 changeover portion ring wave roof beams between low-level guardrail stand and the senior guardrail stand, upper and lower changeover portion ring wave roof beam one end is connected with 2 ring wave roof beams of low-level guardrail, the other end is connected with 2 changeover portion reinforced pipes; one end of the middle transition section ring wave beam is connected with the middle section of the transition section back plate, and the other end of the middle transition section ring wave beam is connected with the third high-level guardrail anti-blocking block. The utility model discloses a changeover portion linkage unit can be connected the low grade guardrail section of the trackside with senior guardrail section, firm in connection makes different guardrail sections become a protection whole.
Description
Technical Field
The utility model relates to a road building design field, in particular to trackside guardrail changeover portion linkage unit.
Background
At present, the speed of the expressway of China is more than one thousand kilometers per year, a highway network system is formed between cities along with the rapid development of the expressway, vehicles can run at high speed due to the excellent performance of the expressway, a high-speed moving environment is provided when the materials circulate and people travel, but traffic accidents caused by sudden events such as direction failure, tire burst and the like and other technical reasons can occur when the vehicles run at high speed, so that guardrails need to be arranged on the two sides of a road to prevent the vehicles from rushing out of the road due to the fact that the speed of the vehicles is too high.
Along with the design construction of road guardrail is gradually developed and matured, the safety barrier of road both sides develops gradually to present senior guardrail from early low grade guardrail, and low grade guardrail only has two ring ripples roof beams, and the guardrail stand adopts the relatively poor circular stand of stability. Senior guardrail stand has three ring ripples roof beam, and is fixed with the reinforced pipe that is used for gaining in strength on the ring ripples roof beam, and the guardrail stand has adopted the higher square stand of stability. Since the low-grade guard rails have been widely used in many road sections, they cannot be completely replaced with high-grade guard rails in a short period of time, or since different sections have different protection level requirements, the low-grade guard rails and the high-grade guard rails will be used simultaneously for a long period of time. And the height that two ring ripples roof beams of low grade guardrail and the three ring ripples roof beams of senior guardrail were located is different, can not adopt the mode that directly links during the connection, need set up special changeover portion linkage unit, makes low grade guardrail and senior guardrail become a whole, satisfies the transition of global rigidity needs and linear transition needs, strengthens the trackside protection intensity, ensures the security of the highway section handing-over department of traveling.
SUMMERY OF THE UTILITY MODEL
To above not enough, the utility model provides a trackside guardrail changeover portion linkage unit can be connected the low-level guardrail section of trackside and senior guardrail section, firm in connection, and its connection method also can be slightly warp and is used for connecting other two kinds of guardrail sections, makes different guardrail sections become a protection whole.
The technical scheme of the utility model is that:
the utility model provides a trackside guardrail changeover portion linkage unit for be connected the low grade guardrail of highway with senior guardrail, low grade guardrail is equipped with 2 ring ripples roof beams, senior guardrail is equipped with 3 ring ripples roof beams and is fixed in the reinforced pipe on the ring ripples roof beam, changeover portion linkage unit includes low grade guardrail stand and the senior guardrail stand of setting in parallel, is connected with low grade guardrail and senior guardrail respectively, low grade guardrail stand is circular post, is equipped with low grade guardrail and prevents the piece that hinders on the stand, low grade guardrail prevents that piece lateral surface fixed connection changeover portion backplate, the changeover portion backplate is the iron plate of upper and lower area segmental arc, senior guardrail stand is square post, is provided with 5 senior guardrail and prevents the piece that hinders on the senior guardrail stand, from top to bottom is first, second, third, fourth, fifth senior guardrail in proper order and prevents the piece that hinders, wherein first, third, fifth senior guardrail prevent that the piece hinders piece and the ring ripples roof beam of senior guardrail, The end heads of the reinforced pipes are connected, transition section reinforced pipes are fixed on the outer side surfaces of the second and fourth high-level guardrail anti-blocking blocks, 3 transition section ring beams are arranged between the low-level guardrail upright post and the high-level guardrail upright post and respectively comprise an upper transition section ring beam, a middle transition section ring beam and a lower transition section ring beam, wherein one ends of the upper transition section ring beam and the lower transition section ring beam are connected with the end heads of 2 ring wave beams of the low-level guardrail through the upper arc section and the lower arc section of the transition section back plate, and the other ends of the upper transition section ring beam and the lower transition section ring beam are connected with; one end of the middle transition section ring wave beam is connected with the middle section of the transition section back plate, and the other end of the middle transition section ring wave beam is connected with the third high-level guardrail anti-blocking block.
The end sheath is in a circular arc shape formed by bending metal plates, is arranged at the end of the circular wave beam and the reinforced pipe of the high-grade guardrail connected with the first high-grade guardrail and the fifth high-grade guardrail and surrounds the end, and is arranged at the end of the circular wave beam and the reinforced pipe of the transition section and the end of the reinforced pipe of the transition section towards one side of the high-grade guardrail connected with the second high-grade guardrail and the fourth high-grade guardrail.
And end part circular rings are cut at one end of the lower guardrail upright post of the upper transition section and the lower transition section and are lapped with the end heads of the ring wave beams of the lower guardrail.
The middle transition section ring wave beam cuts off the end part ring at one end of the high-grade guardrail upright post and is lapped with the end of the ring wave beam of the high-grade guardrail.
The high-grade guardrail anti-blocking block is of a cavity square tubular structure, the outer side face is an arc-shaped face, and the inner side face is a plane.
The interval between the stand of low grade guardrail and senior guardrail is 1 meter, interval between low grade guardrail stand and the senior guardrail stand also is 1 meter.
The connection is a bolt connection.
The utility model discloses a changeover portion linkage unit includes low grade guardrail stand and senior guardrail stand, is used for respectively being connected with low grade guardrail and senior guardrail. Be equipped with low grade guardrail on the lower guardrail stand and prevent blockking up and changeover portion backplate, be equipped with 5 senior guardrails on the senior guardrail stand and prevent blockking up, be equipped with 3 changeover portion ring ripples roof beams between lower guardrail stand and the senior guardrail stand, both ends are connected with the ring ripples roof beam of low grade guardrail and the ring ripples roof beam of senior guardrail, reinforced pipe respectively to make low grade guardrail and senior guardrail combine together. In order to make the height of the two ends of the transition section ring wave beam consistent, 2 transition section reinforced pipes are further arranged at one end of the high-grade guardrail, and the connection height of the transition section reinforced pipes at one end of the high-grade guardrail is increased. In order to avoid exposing the exposed ends of the high-grade guardrail ring wave beam, the reinforced pipe, the transition section ring wave beam and the transition section reinforced pipe outside, the exposed ends are also provided with end head protective sleeves surrounding the end heads to form a smooth surface, so that the possibility that the end heads are inserted into a vehicle, the vehicle is damaged and passengers are harmed when collision occurs is prevented.
Drawings
FIG. 1 is a perspective view of a connecting unit of a transition section of a roadside guardrail of the present invention;
fig. 2 is a perspective view of the connection unit of the present invention with the end sheath removed;
FIG. 3 is a front view of the connecting unit of the transition section of the roadside guardrail of the present invention;
FIG. 4 is a side view comparing the low-grade guard rail, the transition section connecting unit and the high-grade guard rail of the present invention;
in the figure: 10-low guardrail, 20-high guardrail, 30-low guardrail post, 40-high guardrail post, 11-ring wave beam, 12-reinforced tube, 31-low guardrail block, 32-transition section back plate, 34-transition section ring wave beam, 41-high guardrail block, 42-transition section reinforced tube, 43-end sheath.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Referring to fig. 1 and 2, the utility model discloses a trackside guardrail changeover portion linkage unit 100 for be connected the low-level guardrail 10 of highway with senior guardrail 20, low-level guardrail 10 is equipped with 2 ring ripples roof beams 11, senior guardrail 20 is equipped with 3 ring ripples roof beams 11 and is fixed in the reinforced pipe 12 on the ring ripples roof beam 11, changeover portion linkage unit 100 includes low-level guardrail stand 30 and senior guardrail stand 40 of setting up side by side, is connected with low-level guardrail 10 and senior guardrail 20 respectively. The low-level guardrail posts 30 and the high-level guardrail posts 40 are buried in the ground and connected with the ground through bottom plates and anchor bolts, so that the stability and strength of the transition section connecting unit 100 are ensured.
The low-level guardrail upright post 30 is a circular post, a low-level guardrail anti-blocking block 31 is arranged on the upright post, the low-level guardrail anti-blocking block 31 is approximately square, the inner side surface is a plane and is connected with the low-level guardrail upright post 30, the upper segment and the lower segment of the outer side surface are provided with arcs, and the middle segment is a plane. The outer side surface of the low-level guardrail obstruction block 31 is fixedly connected with a transition section back plate 32 with the same shape as the low-level guardrail obstruction block. Senior guardrail stand 40 is square post, is provided with 5 senior guardrail on the senior guardrail stand 40 and prevents that the piece 41 prevents for senior guardrail from top to bottom be first, second, third, fourth, the fifth senior guardrail in proper order, and senior guardrail prevents that the piece 41 is cavity square tubular structure, and the medial surface is the plane, is connected with senior guardrail stand 40, and the lateral surface is recessed arcwall face, is laminated mutually with reinforced pipe 12 and is connected.
The first, third and fifth high-grade guardrail obstruction blocks 41 are connected with the ends of 3 ring wave beams 11 and the ends of the reinforcing pipes 12 which extend from the high-grade guardrails 20, and the outer side surfaces of the second and fourth high-grade guardrail obstruction blocks 41 are fixedly provided with transition section reinforcing pipes 42 for keeping the connection heights of the 5 high-grade guardrail obstruction blocks 41 consistent. 3 transition section ring wave beams 34 are arranged between the low-level guardrail upright post 30 and the high-level guardrail upright post 40 and respectively comprise an upper transition section ring wave beam, a middle transition section ring wave beam and a lower transition section ring wave beam 34, wherein one end of the upper transition section ring wave beam and one end of the lower transition section ring wave beam 34 are connected with the end of 2 ring wave beams 11 extending from the low-level guardrail 10 through the upper arc section and the lower arc section of the transition section back plate 32, and the other end of the upper transition section ring wave beam and the lower transition section ring wave beam are connected with 2 transition. One end of the middle transition section ring wave beam 34 is connected with the middle section of the transition section back plate 32, and the other end is simultaneously connected with the third high-grade guardrail anti-blocking block 41, the ring wave beam 11 of the high-grade guardrail 20 and the end of the reinforced pipe 12. The 3 transition ring girders 34 establish the connection relationship of the lower guard rail 10 and the higher guard rail 20.
When connecting, in order to make firm in connection between ring ripples roof beam and the ring ripples roof beam, adopted mutual overlap joint's connected mode, specifically be: the upper transition section ring wave beam 34 and the lower transition section ring wave beam 34 are provided with end part circular rings cut at one end of the low-level guardrail upright post 30, and the rest part is overlapped with the end of the ring wave beam 11 of the low-level guardrail 10 and is fixed by bolts. The middle transition section ring wave beam 34 is provided with a ring at the end part cut off at one end of the high-grade guardrail upright post 40, and the rest part is overlapped with the end of the ring wave beam 11 of the high-grade guardrail 20 and is fixed by bolts. The lapped connection mode makes the connection between the ends of the ring wave beam 11 firmer, and the ring wave beam is not easy to break and damage, so that the connection fails and can bear collision impact to a certain degree.
Further, in order to avoid the exposed end of the advanced guardrail 20 surrounding the wave beam 11, the reinforced tube 12, and the transition section surrounding the wave beam 34, the transition section reinforced tube 42 being exposed outside, the utility model discloses a transition section connecting unit 100 is still equipped with the end sheath 43, the end sheath 43 is the arc that the metal sheet bending was made, the end sheath 43 sets up in the first, fifth advanced guardrail prevents the ring wave beam 11, the reinforced tube 12 end department of the advanced guardrail 20 that the block 41 is connected and surrounds the end, and the second, fourth advanced guardrail prevents the end department and surrounds the end of the transition section surrounding the wave beam 34, the transition section reinforced tube 42 towards the advanced guardrail 20 one side that the block 41 is connected. The ends of the ring wave beam 11 and the reinforced pipe 12 of the high-grade guard rail 20 connected with the third high-grade guard rail block 41, and the ends of the transition section ring wave beam 34 and the transition section reinforced pipe 42 connected with the second high-grade guard rail block 41 and the fourth high-grade guard rail block 41, which face the low-grade guard rail 10, are shielded by the transition section ring wave beam 34, so that the end sheath 34 is not required to be arranged. The tip protector 34 forms a smooth surface at the tip of the ring beam, the reinforcement tube, to prevent the possibility of the tip being inserted into the vehicle, damaging the vehicle and harming passengers due to the impact force in the event of a vehicle accident.
In order to ensure the overall strength of the guardrail, the distance between the columns of the low-level guardrail 10 and the high-level guardrail 20 is 1 meter, the distance between the column 30 of the low-level guardrail of the transition section connecting unit 100 and the column 40 of the high-level guardrail is also 1 meter, the connection between all the components is bolted connection, the dismounting is convenient, and the moving and the maintenance are convenient.
The utility model discloses a trackside guardrail changeover portion linkage unit can be connected the low grade guardrail section of trackside with senior guardrail section, makes low grade guardrail section and senior guardrail section form a protection whole, strengthens trackside protection intensity, ensures the security in the highway section of traveling, has both satisfied the transition of bulk rigidity needs, can satisfy whole linear transition needs again. The transition section connecting unit is firm in connection and can bear vehicle impact with certain strength. Through slight deformation, the connecting method of the utility model can also be used for connecting other guardrail sections of any two types, so that different guardrail sections are combined into a whole.
The above disclosure is only for the embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (7)
1. A road side guardrail transition section connecting unit (100) is used for connecting a low-level guardrail (10) of a road with a high-level guardrail (20), the low-level guardrail (10) is provided with 2 ring wave beams (11), the high-level guardrail (20) is provided with 3 ring wave beams (11) and reinforcing tubes (12) fixed on the ring wave beams (11), and the road side guardrail transition section connecting unit is characterized in that the transition section connecting unit (100) comprises low-level guardrail upright columns (30) and high-level guardrail upright columns (40) which are arranged in parallel and are respectively connected with the low-level guardrail (10) and the high-level guardrail (20), the low-level guardrail upright columns (30) are round columns, the upright columns are provided with low-level guardrail resistance blocks (31), the outer side surfaces of the low-level guardrail resistance blocks (31) are fixedly connected with transition section back plates (32), the transition section back plates (32) are iron plates with arc sections at the upper part and the lower part, the high-, the high-grade guardrail upright post (40) is provided with 5 high-grade guardrail anti-blocking blocks (41) which are a first high-grade guardrail anti-blocking block, a second high-grade guardrail anti-blocking block, a third high-grade guardrail anti-blocking block, a fourth high-grade guardrail anti-blocking block and a fifth high-grade guardrail anti-blocking block (41) from top to bottom in sequence, wherein the first, the third and the fifth high-grade guardrail anti-block blocks (41) are connected with the ends of the ring wave beam (11) and the reinforced pipe (12) of the high-grade guardrail (20), the outer side surfaces of the second and the fourth high-grade guardrail anti-block blocks (41) are fixed with a transition section reinforced pipe (42), 3 transition section ring wave beams (34) are arranged between the lower guardrail upright post (30) and the higher guardrail upright post (40), which are respectively an upper transition section ring wave beam, a middle transition section ring wave beam and a lower transition section ring wave beam (34), wherein one end of the upper transition section ring wave beam (34) and one end of the lower transition section ring wave beam pass through the upper arc section and the lower arc section of the transition section back plate (32), is connected with the end heads of 2 ring wave beams (11) of the low-level guardrail (10), and the other end is connected with 2 transition section reinforced pipes (42); one end of the middle transition section ring wave beam (34) is connected with the middle section of the transition section back plate (32), and the other end is connected with the third high-grade guardrail anti-blocking block (41).
2. The roadside guardrail transition section connection unit according to claim 1, further comprising an end head sheath (43), wherein the end head sheath (43) is in a circular arc shape formed by bending a metal plate, the end head sheath (43) is arranged at and surrounds the end heads of the ring beam (11) and the reinforcement pipe (12) of the high-grade guardrail (20) connected with the first and fifth high-grade guardrail blocking prevention blocks (41), and the end heads of the transition section ring beam (34) and the transition section reinforcement pipe (42) connected with the second and fourth high-grade guardrail blocking prevention blocks (41) facing one side of the high-grade guardrail (20) are surrounded.
3. The roadside guardrail transition section connection unit of claim 1, wherein the upper and lower transition section ring beams (34) are cut off end rings at one end of the lower guardrail posts (30) and are overlapped with the ends of the ring beams (11) of the lower guardrails (10).
4. The roadside guardrail transition section connection unit of claim 1, wherein the middle-way transition section ring beam (34) is cut off at one end of the high-grade guardrail upright post (40) to form an end ring, and is overlapped with the end of the ring beam (11) of the high-grade guardrail (20).
5. The roadside guardrail transition section connection unit of claim 1, wherein the high-grade guardrail block (41) is a hollow square tubular structure, the outer side surface is an arc-shaped surface, and the inner side surface is a plane surface.
6. The roadside guardrail transition section connection unit of claim 1, wherein the spacing between the posts of the low-level guardrails (10) and the high-level guardrails (20) is 1 meter, and the spacing between the low-level guardrail posts (30) and the high-level guardrail posts (40) is 1 meter.
7. The roadside guardrail transition section connection unit of claim 1, wherein the connections are all bolted connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766413.5U CN210917144U (en) | 2019-10-21 | 2019-10-21 | Road side guardrail changeover portion linkage unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921766413.5U CN210917144U (en) | 2019-10-21 | 2019-10-21 | Road side guardrail changeover portion linkage unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210917144U true CN210917144U (en) | 2020-07-03 |
Family
ID=71366508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921766413.5U Active CN210917144U (en) | 2019-10-21 | 2019-10-21 | Road side guardrail changeover portion linkage unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210917144U (en) |
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2019
- 2019-10-21 CN CN201921766413.5U patent/CN210917144U/en active Active
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