CN110093884A - A kind of town road guard rail - Google Patents
A kind of town road guard rail Download PDFInfo
- Publication number
- CN110093884A CN110093884A CN201910442480.XA CN201910442480A CN110093884A CN 110093884 A CN110093884 A CN 110093884A CN 201910442480 A CN201910442480 A CN 201910442480A CN 110093884 A CN110093884 A CN 110093884A
- Authority
- CN
- China
- Prior art keywords
- horizontal bar
- steel pipe
- supporting steel
- cut
- ring
- 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
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0423—Details of rails
Abstract
The present invention relates to the technical fields of guardrail, more particularly, to a kind of town road guard rail.A kind of town road guard rail, horizontal bar component including fixed column assembly and the adjacent fixed column assembly of connection, the fixed column assembly includes supporting steel pipe, two opposite sides of supporting steel pipe upper end respectively form a rectangular upper cut, and the position that the lower end of supporting steel pipe is ipsilateral with the two upper cut is respectively provided with a lower cut；The horizontal bar component includes the upper support horizontal bar across upper cut and the lower support horizontal bar across lower cut, and the both ends of upper support horizontal bar are welded with the top shoe being caught in supporting steel pipe, and the both ends of lower support horizontal bar are welded with the sliding block being caught in supporting steel pipe.Upper cut and lower cut will not influence the integral strength of supporting steel pipe, and when by torque active force, the phase connection branch on supporting steel pipe close to upper cut and lower cut plays the role of bearing pulling force.Therefore impact resistance when horizontal bar receives impact force also can be stronger.
Description
Technical field
The present invention relates to the technical fields of guardrail, more particularly, to a kind of town road guard rail.
Background technique
Most of current road prevention railing is connected by screw bolts or is welded to connect two ways, due to guard rail
Required rod piece is more, connects by bolted connection between each rod piece, can operating procedure be complicated, and causes to pacify
It fills duration to increase, working efficiency reduces, if taking the mode of welding to fix rod piece between installation, it is larger to will lead to its occupancy
Space, be not easy to the later period transport, thus it is proposed that a kind of town road guard rail.
Existing Authorization Notice No. is that the utility model patent of CN208309465U discloses a kind of town road protective fence
Bar.Guardrail is cooperatively formed by U-shaped vertical bar and cross bar grafting in the program, due to being only through the mode of grafting, rather than
It is bolted or welding manner, therefore builds disassembly with can be convenient.
Above-mentioned prior art has the following deficiencies: since fence upright and cross bar are connected by sliding block cooperation
It connects, it is therefore desirable to which when opening up long hole along the vertical direction on guardrail upright pole and being clamped so that sliding block cooperates, cross bar can be passed through.And
It almost will affect the intensity of fence upright through the long hole of entire fence upright, the program in fence upright by being arranged partition
To enhance the crashworthiness hit intensity of fence upright.But when cross bar receives impact force, the active force of fence upright is presented at this time
For by way of cross bar locally applies torque to guardrail.Fence upright is in the part for opening up long hole to outer distortion easily after stress
Deformation.
Summary of the invention
The object of the present invention is to provide a kind of town road guard rails, it is advantageous that having better shock resistance energy
Power.
Foregoing invention purpose of the invention has the technical scheme that a kind of town road protective fence
Bar, the horizontal bar component including fixed column assembly and the adjacent fixed column assembly of connection, the fixed column assembly includes supporting steel pipe,
Two opposite sides of supporting steel pipe upper end respectively form a rectangular upper cut, the lower end of supporting steel pipe and the two upper cut
Ipsilateral position is respectively provided with a lower cut；The horizontal bar component includes across the upper support horizontal bar of upper cut and across lower cut
Lower support horizontal bar, the both ends of upper support horizontal bar are welded with the top shoe being caught in supporting steel pipe, the both ends of lower support horizontal bar
It is welded with the sliding block being caught in supporting steel pipe.
By using above-mentioned technical proposal, it is connected by vertical columns component with ground, then passes through upper support horizontal bar
Adjacent vertical columns component is connected by the mode in top shoe and sliding block slide-in supporting steel pipe respectively with lower support horizontal bar,
To form road prevention railing.When top shoe and sliding block slide, upper support horizontal bar and lower support horizontal bar pass through upper cut respectively
And lower cut.Since upper cut and lower cut are provided only on close to the part of supporting steel pipe upper end and supporting steel pipe lower end,
Upper cut and lower cut will not influence the integral strength of supporting steel pipe, and vertical columns component directly absorbs impact anti-impact when power
It is stronger to hit ability.When by torque active force, the phase connection branch on supporting steel pipe close to upper cut and lower cut is played
Bear the effect of pulling force.Therefore impact resistance when horizontal bar receives impact force also can be stronger.
The present invention is further arranged to: the center weld of the supporting steel pipe has reinforcement steel plate, reinforces steel plate and crosses supporting steel
Supporting steel pipe is divided into symmetrical two halves by tube axis line.
By using above-mentioned technical proposal, the integral strength of supporting steel pipe is further strengthened by reinforcing steel plate.
The present invention is further arranged to: the outer ring of the supporting steel pipe upper end is uniformly formed there are six retention bead, wherein
Two retention beads are located at the position that face on supporting steel pipe lateral wall reinforces steel plate, and the upper end of supporting steel pipe is arranged with upper end
It covers, the limited ring groove that cooperation retention bead is caught in is formed on the upper end cover.
By using above-mentioned technical proposal, retention bead is set on supporting steel pipe and limited ring groove matches, by upper end
Lid is fastened on the upper end of supporting steel pipe.Two of them retention bead is located at face and reinforces at steel plate, so that the retention bead at this
It is not easy to cause retention bead and limited ring groove that can not cooperate clamping because of the inside deformation of supporting steel plate.
The present invention is further arranged to: the upper end cover include the lower extended segment extended downwardly, the lower end of lower extended segment to
Interior elongation moulding has interior extended segment, and the inward flange of interior extended segment, which upwardly extends molding, upper extended segment, and the limited ring groove is located at
Upper extended segment.
By using above-mentioned technical proposal, lower extended segment, interior extended segment and upper extended segment are set and make upper end cover and support
It is non-thin surface contact structure at steel pipe cooperation, is on the one hand deformed by the outside of interior extended segment so that upper end cover is easily installed,
On the other hand when removing upper end cover, hand rest live interior extended segment and non-board section, therefore more easily upper end cover is taken out.
The present invention is further arranged to: the lower end of the supporting steel pipe is welded with outwardly extending first ring steel plate, institute
It states and equally forms lower cut on the first ring steel plate.
By using above-mentioned technical proposal, supporting steel pipe is easily installed by the first ring steel plate.
The present invention is further arranged to: the fixation kit further includes the lantern ring being set on the outside of supporting steel pipe, and lantern ring is
Hollow halfpace type, the lower end surface of lantern ring are provided with the annular groove isometrical, contour with the first ring steel plate；The outside of the lantern ring lower end
Face forms the second ring steel plate, and the side of the lantern ring is provided with the escape port through lantern ring unilateral side and the second ring steel plate, keeps away
The width of mouth and the width of upper cut, lower cut is allowed to be equal.
By using above-mentioned technical proposal, it is set in the outside of supporting steel pipe by lantern ring, is avoided down by avoid holes
Horizontal bar is supported, horizontal bar installation is supported under the influence of avoiding.Cooperated by annular groove and the first ring steel plate is caught in annular groove.Pass through
Expansion bolt passes through the second ring steel plate and connect with ground and will fix column assembly and fix on the ground.
The present invention is further arranged to: the upper surface of the top shoe is concordant with the upper support upper surface of horizontal bar, top shoe
Lower end surface beyond it is upper support horizontal bar lower end surface；The lower end surface of sliding block is concordant with the lower support lower end surface of horizontal bar, sliding block
Upper surface beyond it is upper support horizontal bar upper surface.
By using above-mentioned technical proposal, the lower end of top shoe exceeds upper support horizontal bar lower end surface, and setting sliding block
Upper surface when making horizontal bar by impact force beyond lower support horizontal bar upper surface, can be by beyond partially playing better drawing
The firmly effect of horizontal bar enhances impact resistance.
The present invention is further arranged to: the upper surface of the upper support horizontal bar uniformly forms multiple through upper support horizontal bar
Upper through-hole, the upper surface of lower support horizontal bar forms only through the lower through-hole of lower support horizontal bar upper side edge, upper through-hole and lower logical
Hole corresponds, and two straight-bars on U-shaped perpendicular column support after passing through two upper through-holes and lower through-hole with the lower downside inner wall for supporting horizontal bar
It connects.
By using above-mentioned technical proposal, U-shaped perpendicular column is installed by opening up upper through-hole and lower through-hole, so that U-shaped perpendicular column
Installation can be completed by grafting, it is easier for installation.
The present invention is further arranged to: the position of corresponding each upper through-hole is stained on the upper support horizontal bar upper surface
Rubber ring, the position that lower support horizontal bar upper surface corresponds to each lower through-hole are stained with lower rubber ring, upper rubber ring and lower rubber ring
Internal diameter be slightly less than U-shaped perpendicular column diameter.
By using above-mentioned technical proposal, diameter is set and to enable U-shaped perpendicular column by upper rubber less than U-shaped perpendicular column diameter
Circle and the fixed locking of lower rubber ring cooperation.
The present invention is further arranged to: the upper end interior side port of the upper rubber ring forms chamfering.
By using above-mentioned technical proposal, chamfering is set to facilitate U-shaped perpendicular column to pass through in upper rubber ring and lower rubber ring
Heart hole.
In conclusion advantageous effects of the invention are as follows:
1. since upper cut and lower cut are provided only on the part close to supporting steel pipe upper end and supporting steel pipe lower end, on cut
Mouth and lower cut will not influence the integral strength of supporting steel pipe, and vertical columns component directly absorbs impact shock resistance energy when power
Power is stronger；When by torque active force, receiving plays in the phase connection branch on supporting steel pipe close to upper cut and lower cut
The effect of pulling force.Therefore impact resistance when horizontal bar receives impact force also can be stronger；
2. lower extended segment, interior extended segment and upper extended segment is arranged to make at upper end cover and supporting steel pipe cooperation for non-thin face contact
Structure, on the one hand by the outside deformation of interior extended segment so that upper end cover is easily installed, on the other hand when removing upper end cover, hand
The interior extended segment held and non-board section, therefore be easier to take out upper end cover.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the schematic cross-sectional view that column assembly is fixed in embodiment；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the perspective view of the explosion that column assembly upper part is fixed in embodiment；
Fig. 5 is the layout structure schematic diagram of horizontal bar component in embodiment.
Appended drawing reference: 1, fixed column assembly；2, horizontal bar component；3, supporting steel pipe；4, the first ring steel plate；5, upper cut；
6, lower cut；7, reinforce steel plate；8, lantern ring；9, the second ring steel plate；10, escape port；11, retention bead；12, upper end cover；13,
Lower extended segment；14, interior extended segment；15, upper extended segment；16, limited ring groove；17, upper support horizontal bar；18, lower support horizontal bar；19,
Top shoe；20, sliding block；21, upper through-hole；22, lower through-hole；23, upper rubber ring；24, U-shaped perpendicular column；25, lower rubber ring.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
As shown in Figure 1, a kind of town road guard rail, including fixed column assembly 1 and the adjacent fixed column assembly 1 of connection
Horizontal bar component 2, by the fixed realization of column assembly 1 grab it is fixed, horizontal bar component 2 cooperatively forms railing with fixation column assembly 1.
As shown in Fig. 2, fixed column assembly 1 includes supporting steel pipe 3, the lower end of supporting steel pipe 3 is welded with outwardly extending the
One ring steel plate 4.Two opposite sides of 3 upper end of supporting steel pipe respectively form a rectangular upper cut 5.Supporting steel pipe 3
The lower end position ipsilateral with the two upper cut 5 is respectively provided with a lower cut 6, and lower cut 6 extends to the first annulus from supporting steel pipe 3
The edge of steel plate 4.The center weld of supporting steel pipe 3, which has, reinforces steel plate 7, reinforces steel plate 7 and crosses 3 axial line of supporting steel pipe for supporting steel
Pipe 3 is divided into symmetrical two halves.
As shown in Figures 2 and 3, fixation kit further includes the lantern ring 8 for being set in 3 outside of supporting steel pipe, and lantern ring 8 is hollow ladder
Bench-type, the lower end surface of lantern ring 8 be provided with isometrical, the contour annular groove of the first ring steel plate 4, enable the first ring steel plate 4
It is embedded in annular groove.The lateral surface of 8 lower end of lantern ring is greater than integrally formed with the second ring steel plate 9, the thickness of the second ring steel plate 9
The thickness of first ring steel plate 4, and four expansion bolts are uniformly equipped on the second ring steel plate 9.The side of lantern ring 8, which is provided with, to be passed through
The unilateral escape port 10 with the second ring steel plate 9 of ring 8 is worn, the width of escape port 10 and the width of upper cut 5, lower cut 6 are equal
It is equal.
As shown in figure 4, the outer ring of 3 upper end of supporting steel pipe is uniformly formed, there are six retention bead 11, two of them limit convexes
It plays 11 and is located at the position that face on 3 lateral wall of supporting steel pipe reinforces steel plate 7.The upper end of supporting steel pipe 3 is arranged with upper end cover 12, on
End cap 12 extends internally including the lower end of the lower extended segment 13, lower extended segment 13 that extend downwardly and forms interior extended segment 14, inside prolongs
The inward flange for stretching section 14, which upwardly extends molding, upper extended segment 15, and a circle is formed on upper extended segment 15 and retention bead 11 cooperates
Limited ring groove 16.Upper end cover 12 is fixed on supporting steel pipe 3 by retention bead 11 and the cooperation of limited ring groove 16.
As shown in Fig. 2, horizontal bar component 2 includes upper support horizontal bar 17 and lower support horizontal bar 18, upper support made of rectangular tube
The both ends of horizontal bar 17 are welded with top shoe 19, and the both ends of lower support horizontal bar 18 are welded with sliding block 20.Top shoe 19 is under
Sliding block 20 is the diameter semi-cylindrical equal with 3 diameter of supporting steel pipe, and with arcwall face as welding ends.Top shoe 19 is under
Sliding block 20 is arranged with length direction along the vertical direction, and the upper surface of top shoe 19 is concordant with the upper support upper surface of horizontal bar 17,
Lower end surface of the lower end surface of top shoe 19 beyond upper support horizontal bar 17；The lower end of the lower end surface of sliding block 20 and lower support horizontal bar 18
Face is concordant, and the upper surface of sliding block 20 is beyond the upper surface of upper support horizontal bar 17.
As shown in figure 5, the upper surface of upper support horizontal bar 17 uniformly forms multiple upper through-holes through upper support horizontal bar 17
21, the upper surface of lower support horizontal bar 18 forms only through the lower through-hole 22 of lower support 18 upper side edge of horizontal bar, and upper through-hole 21 is under
Through-hole 22 corresponds.The position of corresponding each upper through-hole 21 is stained with rubber ring 23 on upper support 17 upper surface of horizontal bar.On
The internal diameter of rubber ring 23 is slightly less than U-shaped 24 diameter of perpendicular column, and the upper end interior side port of upper rubber ring 23 forms chamfering.Lower support is horizontal
The position that 18 upper surface of column corresponds to each lower through-hole 22 is stained with lower rubber ring 25, the structure size of lower rubber ring 25 and upper rubber
It is identical to enclose 23.Downside of two straight-bars on U-shaped perpendicular column 24 after two upper through-holes 21 and lower through-hole 22 with lower support horizontal bar 18
Inner wall abuts.
Specific installation process:
First 8 sets of lantern ring are slid onto the state in the first ring steel plate 4 insertion annular groove, adjusted at this time in 3 outside of supporting steel pipe
Escape port 10 is aligned with lower cut 6 at one, then will support horizontal bar 18 by being slided after escape port 10 so that sliding block is installed under one
Enter in supporting steel pipe 3.Rotational lantern ring 8 when lower support horizontal bar 18 reaches the position of 6 the top of lower cut, so that lower support horizontal bar 18
Lower end surface abutted with the upper surface of lantern ring 8.Support horizontal bar 18 under another is installed by the same manner.Then by two upper branch
Support horizontal bar 17 is installed at upper cut 5, and upper end cover 12 is covered.U-shaped perpendicular column 24 is finally passed through upper through-hole 21 and lower through-hole 22, is made
Its lower end is abutted against with inner wall on the downside of support horizontal bar.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of town road guard rail, the horizontal bar group including fixed column assembly (1) and the adjacent fixed column assembly (1) of connection
Part (2), it is characterized in that: the fixed column assembly (1) includes supporting steel pipe (3), two opposite sides of supporting steel pipe (3) upper end are each
A rectangular upper cut (5) is formed, the position that the lower end of supporting steel pipe (3) is ipsilateral with the two upper cut (5) is respectively provided with
One lower cut (6)；The horizontal bar component (2) includes across the upper support horizontal bar (17) of upper cut (5) and across lower cut (6)
Lower support horizontal bar (18), it is upper support horizontal bar (17) both ends be welded with the top shoe (19) being caught in supporting steel pipe (3), under
The both ends of support horizontal bar (18) are welded with the sliding block (20) being caught in supporting steel pipe (3).
2. town road guard rail according to claim 1, it is characterized in that: the center weld of the supporting steel pipe (3)
Have reinforcement steel plate (7), reinforcement steel plate (7) crosses supporting steel pipe (3) axial line and supporting steel pipe (3) is divided into symmetrical two halves.
3. town road guard rail according to claim 2, it is characterized in that: the outer ring of the supporting steel pipe (3) upper end
There are six retention bead (11), two of them retention bead (11) is located at face on supporting steel pipe (3) lateral wall and adds for uniformly distributed molding
The position of strong steel plate (7), the upper end of supporting steel pipe (3) are arranged with upper end cover (12), form cooperation on the upper end cover (12)
The limited ring groove (16) that retention bead (11) is caught in.
4. town road guard rail according to claim 3, it is characterized in that: the upper end cover (12) includes extending downwardly
Lower extended segment (13), lower extended segment (13) lower end extend internally and form interior extended segment (14), interior extended segment (14) it is interior
Edge, which upwardly extends molding, to be had upper extended segment (15), and the limited ring groove (16) is located at upper extended segment (15).
5. town road guard rail according to claim 1, it is characterized in that: the lower end of the supporting steel pipe (3) is welded
There is outwardly extending first ring steel plate (4), equally forms lower cut (6) on first ring steel plate (4).
6. town road guard rail according to claim 5, it is characterized in that: the fixation kit further includes being set in branch
The lantern ring (8) on the outside of steel pipe (3) is supportted, lantern ring (8) is hollow halfpace type, and the lower end surface of lantern ring (8) is provided with and the first ring steel plate
(4) isometrical, contour annular groove；The lateral surface of lantern ring (8) lower end forms the second ring steel plate (9), the lantern ring (8)
Side be provided with through lantern ring (8) it is unilateral and the second ring steel plate (9) escape port (10), the width of escape port (10) and above cut
The width of mouthful (5), lower cut (6) is equal.
7. town road guard rail according to claim 1, it is characterized in that: the upper surface of the top shoe (19) with it is upper
Support the upper surface of horizontal bar (17) concordant, the lower end surface of top shoe (19) is beyond the lower end surface of upper support horizontal bar (17)；Sliding block
(20) lower end surface is concordant with the lower support lower end surface of horizontal bar (18), and the upper surface of sliding block (20) exceeds upper support horizontal bar (17)
Upper surface.
8. town road guard rail according to claim 1, it is characterized in that: the upper surface of upper support horizontal bar (17)
Multiple upper through-holes (21) through upper support horizontal bar (17) are uniformly formed, the upper surface of lower support horizontal bar (18), which forms, only to be passed through
The lower through-hole (22) of support horizontal bar (18) upper side edge is worn, upper through-hole (21) and lower through-hole (22) correspond, U-shaped perpendicular column (24)
Two straight-bars pass through two upper through-hole (21) and lower through-hole (22) and abutted afterwards with the lower downside inner wall for supporting horizontal bar (18).
9. town road guard rail according to claim 8, it is characterized in that: on upper support horizontal bar (17) upper surface
The position of corresponding each upper through-hole (21) is stained with rubber ring (23), and lower support horizontal bar (18) upper surface corresponds to each lower through-hole
(22) position is stained with lower rubber ring (25), and the internal diameter of upper rubber ring (23) and lower rubber ring (25) is slightly less than U-shaped perpendicular column
(24) diameter.
10. town road guard rail according to claim 9, it is characterized in that: in the upper end of the upper rubber ring (23)
Side ports form chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442480.XA CN110093884B (en) | 2019-05-25 | 2019-05-25 | Guardrail bar is prevented to town road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442480.XA CN110093884B (en) | 2019-05-25 | 2019-05-25 | Guardrail bar is prevented to town road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110093884A true CN110093884A (en) | 2019-08-06 |
| CN110093884B CN110093884B (en) | 2021-01-12 |
Family
ID=67449256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910442480.XA Active CN110093884B (en) | 2019-05-25 | 2019-05-25 | Guardrail bar is prevented to town road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110093884B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190379Y (en) * | 2008-04-30 | 2009-02-04 | 易成建 | Aluminium alloy guard rail |
| CN204875611U (en) * | 2015-06-24 | 2015-12-16 | 四川蓝灵交通设施工程有限责任公司 | Road traffic highway isolated column |
| CN205502426U (en) * | 2016-01-20 | 2016-08-24 | 深圳市永安环保实业有限公司 | Wood system railing convenient to installation |
| CN207376528U (en) * | 2017-10-25 | 2018-05-18 | 陈志领 | A kind of municipal administration traffic guardrail |
| CN207904828U (en) * | 2018-02-07 | 2018-09-25 | 嘉兴市森普园林绿化工程有限公司 | A kind of guardrail |
| CN208309465U (en) * | 2018-06-04 | 2019-01-01 | 湖南汉坤建筑安保器材有限公司 | A kind of town road guard rail |
| CN208618323U (en) * | 2018-06-06 | 2019-03-19 | 方子成 | A kind of pavement isolated column of the urban transportation with illumination functions |
-
2019
- 2019-05-25 CN CN201910442480.XA patent/CN110093884B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190379Y (en) * | 2008-04-30 | 2009-02-04 | 易成建 | Aluminium alloy guard rail |
| CN204875611U (en) * | 2015-06-24 | 2015-12-16 | 四川蓝灵交通设施工程有限责任公司 | Road traffic highway isolated column |
| CN205502426U (en) * | 2016-01-20 | 2016-08-24 | 深圳市永安环保实业有限公司 | Wood system railing convenient to installation |
| CN207376528U (en) * | 2017-10-25 | 2018-05-18 | 陈志领 | A kind of municipal administration traffic guardrail |
| CN207904828U (en) * | 2018-02-07 | 2018-09-25 | 嘉兴市森普园林绿化工程有限公司 | A kind of guardrail |
| CN208309465U (en) * | 2018-06-04 | 2019-01-01 | 湖南汉坤建筑安保器材有限公司 | A kind of town road guard rail |
| CN208618323U (en) * | 2018-06-06 | 2019-03-19 | 方子成 | A kind of pavement isolated column of the urban transportation with illumination functions |
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| Publication number | Publication date |
|---|---|
| CN110093884B (en) | 2021-01-12 |
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