CN103628433B - combined road guardrail - Google Patents
combined road guardrail Download PDFInfo
- Publication number
- CN103628433B CN103628433B CN201310539502.7A CN201310539502A CN103628433B CN 103628433 B CN103628433 B CN 103628433B CN 201310539502 A CN201310539502 A CN 201310539502A CN 103628433 B CN103628433 B CN 103628433B
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- Prior art keywords
- cap
- cross tube
- upright post
- column
- post cap
- Prior art date
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- Expired - Fee Related
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- 238000003780 insertion Methods 0.000 claims abstract description 8
- 230000037431 insertion Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000004080 punching Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000007 visual effect Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a kind of combined road guardrail, including column, cross tube, sheer pole and montant；The two ends, left and right of described cross tube are all connected with described column by upright post cap；Described upright post cap includes the cap seat in lower section, cap above and the connecting portion between cap seat and cap；The cap seat of described upright post cap is provided with the first screw for being fixedly attached on described column by described upright post cap；The cross section of the cap of described upright post cap is identical with the cross sectional shape of described cross tube and is sized for the insertion of described cross tube；The connecting portion of described upright post cap is provided with for described cross tube is fixed the second screw being connected with described upright post cap.Cross tube is connected with column by the present invention by upright post cap, on the one hand makes to be connected firmly, and on the other hand without charged installation, reduces the operation easier of erecting bed.
Description
Technical field
The invention belongs to road traffic facility technical field, be specifically related to a kind of combined road guardrail.
Background technology
Chinese patent literature CN101265694A discloses a kind of jet printing type steel guard rail, including column, cross tube, sheer pole
And montant, cross tube and sheer pole are all connected with column by adapter sleeve, each montant has two with the connected mode of upper and lower cross bar
Kind: a kind of mode for welded part, its advantage is that processing is fast, efficiency is high, sound construction, and shortcoming is then transport, installs not
Convenient；Another kind is the mode of plug-in type connecting element, and its advantage is the transport of each accessory, installs more convenient, and shortcoming is then not
Firmly, easily come off.
As the improvement of above-mentioned deficiency, Chinese patent literature CN202108017U discloses a kind of clamp-connected steel guardrail, bag
Including column, cross tube, sheer pole and montant, cross tube and sheer pole is the most all to be connected with column by adapter sleeve, each perpendicular
The upper end of bar is connected with cross tube by shackle member, and the lower end of montant is connected with sheer pole by male member.Although this guardrail solves
Insecure, hold caducous problem, but when mounted, need to be weldingly fixed in montant pipe, also shackle member and male member
I.e. need charged installation, therefore, however it remains inconvenient shortcoming is installed.
All there are following 2 deficiencies in above two guardrail: (1) upper and lower cross bar is connected with column by adapter sleeve, a side
This connected mode in face is the most insecure, easily comes off；On the other hand, this connected mode also results in column and highlights at cross tube
Top, thus cause the sensation of numerous and complicated can to passerby and automobile driver.(2) reflective membrane is all attached on montant,
So on the one hand, it is unfavorable for the visual angle of automobile driver, on the other hand too increases the usage amount of reflective membrane, cause cost relatively
High.
As being partially improved of above-mentioned deficiency, Chinese patent literature CN102767146A discloses a kind of streamer guardrail, should
Guardrail is on the one hand by increasing inner column in fence unit, and makes the top of inner column be positioned at the lower section of cross tube so that outer
All guardrail heights between column are consistent, thus seem overall smooth；On the other hand by reflecting coating being arranged on upper horizontal stroke
On bar, so that the unremitting continuous distributed of reflecting coating, not only improve the visual angle of automobile driver, decrease again coating
Consumption, reduce production cost.This guardrail be by inner column, cross tube, sheer pole and montant are made single piece from
And solve the problems referred to above, therefore, however it remains single piece transport, the shortcoming installing inconvenience.
Above-mentioned three kinds of guardrails are steel guard rail, so get rusty easily.
Summary of the invention
It is an object of the invention to solve the problems referred to above, it is provided that a kind of cross tube is connected peace the most firm, on-the-spot with column
Fill more convenient combined road guardrail.
The technical scheme realizing the object of the invention is: a kind of combined road guardrail, including column, cross tube, sheer pole
And montant；The two ends, left and right of described cross tube are all connected with described column, and the two ends, left and right of described sheer pole are all vertical with described
Post connects, and the two ends up and down of described montant are connected with described cross tube, sheer pole respectively；The two ends, left and right of described cross tube are the most logical
Cross upright post cap to be connected with described column；Described upright post cap includes being positioned at cap seat, the cap above of lower section and being positioned at cap
Connecting portion between seat and cap；The cap seat of described upright post cap is provided with for described upright post cap is fixedly attached to described column
On the first screw；The cross section of the cap of described upright post cap is identical with the cross sectional shape of described cross tube and is sized on described
Cross bar inserts；The connecting portion of described upright post cap is provided with for described cross tube is fixed the second spiral shell being connected with described upright post cap
Hole.
Described cross tube is connected by a spring leaf and described upright post cap are fixing；Described spring leaf includes connecting portion and clamping
Portion, the connecting portion of described spring leaf is provided with the 3rd screw；It is respectively equipped with draw-in groove at the lower surface two ends of described cross tube；Described
By the second screw on the connecting portion of upright post cap and spring in the cap of the cross tube described upright post cap of insertion and by a screw
The 3rd screw on the connecting portion of sheet is fixing to be connected, and in the draw-in groove of the described cross tube of Access Division insertion of spring leaf.
Reflecting coating and highly consistent it is equipped with on described cross tube and described upright post cap.
In order to make sheer pole the most firm with the connection of column, the two ends, left and right of described sheer pole are all by stamping connection set
It is connected with described column；Described stamping connection set includes first outside the described hollow body upper surface of hollow body, setting
Outer limited block, setting described hollow body lower surface outside the second outer limited block and be arranged on described hollow body following table
Inner limited block inside face；The cross section of the hollow body of described stamping connection set is identical and big with the cross sectional shape of described sheer pole
Little be suitable to described sheer pole insert；The interior limit being suitable to described stamping connection set it is respectively equipped with at the lower surface two ends of described sheer pole
The spacing hole that position block inserts.
In order to make montant be connected the most firm with upper sheer pole, the two ends up and down of described montant all by stamping connector with
Described cross tube, sheer pole connect；Described stamping connector includes body, is arranged on described body one side for inserting described erecting
Internal projection in bar and be arranged on the outer lug of described body another side, described body is provided with through hole；Described cross tube
Lower surface is provided with and is suitable to the punching hole that the outer lug of described stamping connector is inserted；The upper surface of described sheer pole is provided with and is suitable to institute
State the punching hole that the outer lug of stamping connector is inserted.
In order to make montant firm further with the connection of upper sheer pole, the guardrail of the present invention also includes for by described montant
It is fixedly connected on the fixation kit between described cross tube and sheer pole；Described fixation kit includes a steel pipe, a screw thread
External member, a square external member and a trip bolt；The upper end of described steel pipe is welded and fixed with described square external member, and described
The upper surface of square external member is adapted for insertion in the punching hole of described cross tube；The lower end of described steel pipe is provided with external screw thread；Described spiral shell
The upper end of line external member is provided with the internal thread that the external screw thread with described steel pipe lower end adapts, the lower end of described thread complete set be provided with
The internal thread that described trip bolt adapts.
In order to reduce regular maintenance cost, it is to avoid corrosion phenomena, the column of the guardrail of the present invention, cross tube, sheer pole with
And montant is aluminum alloy material.
The present invention has positive effect: cross tube is connected with column by (1) present invention by upright post cap, on the one hand makes
It is connected firmly, on the other hand without charged installation, reduces the operation easier of erecting bed.(2) present invention is incited somebody to action by upright post cap
Cross tube is connected with column and also makes the highly consistent of whole guardrail, thus seems overall smooth, to passerby and motor vehicle driving
A kind of visual experience smoothly of member；And by reflecting coating being arranged on cross tube and upright post cap, again so that reflective
The unremitting continuous distributed of coating, not only improves the visual angle of automobile driver, decreases again the consumption of coating, reduce production
Cost.(3) sheer pole is connected with column by the present invention by stamping connection set, under the outer limited block put by stamping connection is incited somebody to action
Cross bar is fixed between two root posts, so substantially increases the connectivity robustness of sheer pole and column.(4) present invention is by punching
Montant is connected by pressure connector with upper and lower cross bar, so not only increases the fastness of connection, and makes in-site installation more
Convenient, it is fully achieved and installs without electricity.(5) montant at two ends and the montant of centre are fixed on by the present invention by fixation kit
Between cross bar and sheer pole, increase the fastness connected so further, be specially adapted to collide the strongest occasion.(6)
The guardrail of the present invention is aluminum alloy material, so after face coat is destroyed, corrosion phenomena will not occur, thus reduce day
Often maintenance cost.(7) the guardrail finished product of the present invention is loose mail, and cost of transportation is relatively low, and in-site installation is without electrification, reduces peace
The operation easier that dress is on-the-spot.
Accompanying drawing explanation
Fig. 1 is the structural representation of the combined road guardrail of embodiments of the invention 1；
Fig. 2 is the fractionation schematic diagram that in Fig. 1, montant is connected with cross tube, sheer pole；
Fig. 3 is the top view of montant in Fig. 2；
Fig. 4-1 is the front view of one stamping connector in lower section in Fig. 2；
Fig. 4-2 is the left view of Fig. 4-1；
Fig. 4-3 is the top view of Fig. 4-1；
Fig. 4-4 is the stereogram of one stamping connector in lower section in Fig. 2；
Fig. 5 is the connection diagram of the cross tube on a middle root post and right side in Fig. 1；
Fig. 6-1 is the sectional view of cross tube in Fig. 5；
Fig. 6-2 is the part isometric schematic diagram of cross tube in Fig. 5；
Fig. 7-1 is the structural representation of spring leaf in Fig. 5；
Fig. 7-2 is the top view of Fig. 7-1；
Fig. 8-1 is the partial sectional view being applicable to the upright post cap that both sides are all connected with cross tube；
Fig. 8-2 is the A-A direction view in Fig. 8-1；
Fig. 8-3 is the top view of Fig. 8-1；
Fig. 9-1 is to be applicable to while connecting the partial sectional view of the upright post cap of cross tube；
Fig. 9-2 is the B-B direction view in Fig. 9-1；
Fig. 9-3 is the top view of Fig. 9-1；
Figure 10 is the connection diagram of the sheer pole on a middle root post and right side in Fig. 1；
Figure 11-1 is the sectional view of sheer pole in Figure 10；
Figure 11-2 is the part isometric schematic diagram of sheer pole in Figure 10；
Figure 12-1 is the structural representation that the punching press in Figure 10 connects part set；
Figure 12-2 is the right view of Figure 12-1；
Figure 12-3 is the top view of Figure 12-2；
Figure 13 is the combined road guard bar structure schematic diagram of embodiments of the invention 2；
Figure 14 is one, leftmost side montant and cross tube, sheer pole connection diagram in Figure 13；
Figure 15 is the fractionation schematic diagram of montant in Figure 14, stamping connector, fixation kit；
Figure 16 is the C portion enlarged drawing in Figure 14.
Mark in above-mentioned accompanying drawing is as follows:
Column 1, cross tube 2, draw-in groove 2-1, sheer pole 3, spacing hole 3-1, montant 4；
Stamping connector 5, body 51, through hole 51-1, internal projection 52, outer lug 53；
Upright post cap 6, cap seat the 61, first screw 61-1, cap 62, connecting portion the 63, second screw 63-1, screw 64；
Stamping connection set 7, hollow body 71, first outer limited block the 72, second outer limited block 73, inner limited block 74；
Fixation kit 8, steel pipe 81, thread complete set 82, square external member 83, trip bolt 84；
Spring leaf 9, connecting portion the 91, the 3rd screw 91-1, Access Division 92；
Reflecting coating 100.
Detailed description of the invention
(embodiment 1)
Seeing Fig. 1, the present embodiment is as a example by two fence units, including three root posts 1, horizontal under two cross tubes 2, two
Bar 3 and two groups of montants 4, often group montant all has seven.Column 1 includes two edge columns and a middle standing pillar.Column 1,
Cross tube 2, sheer pole 3 and montant 4 are aluminum alloy material.Column 1, cross tube 2, sheer pole 3 and montant 4 are hollow
Structure, its central post 1 is provided with and is suitable to the jack that sheer pole 3 inserts, is additionally provided with reinforcement in cross tube 2 and sheer pole 3.
Seeing Fig. 2 and Fig. 3, montant 4 uses the hollow-core construction with four through holes 42, and the two ends up and down of montant 4 are equal
It is connected with cross tube 2, sheer pole 3 by stamping connector 5.
Seeing Fig. 4-1 to 4-4, stamping connector 5 includes body 51 and is separately positioned on the internal projection on body 51 two sides
52 and outer lug 53, body 51 is provided with through hole 51-1, and this through hole can be circular, it is also possible to for square, and the present embodiment is circle
Shape.Four through holes 42 of montant 4 are suitable to the internal projection 52 of stamping connector 5 and are inserted.The lower surface of cross tube 2 is provided with and is suitable to
One group of punching hole (quantity is identical with montant 4 quantity, is not drawn in figure) that the outer lug 53 of stamping connector 5 is inserted, sheer pole 3
Upper surface be again provided with being suitable to one group of punching hole (quantity and the montant 4 quantity phase that the outer lug 53 of stamping connector 5 is inserted
With, figure is not drawn into).
During installation, the internal projection 52 of stamping connector 5 is inserted respectively in the through hole 42 at montant about 4 two ends, then will
The outer lug 53 of the stamping connector 5 of bottom is inserted in the punching hole of sheer pole 3, then the evagination by the stamping connector 5 on top
Rise in the punching hole of 53 insertion cross tubes 2.
Seeing Fig. 5, one end (other end is identical with this) of cross tube 2 is connected with column 1 by upright post cap 6 and spring leaf 9
Connect.Seeing Fig. 8-1 to 8-3, upright post cap 6 includes being positioned at cap seat 61, the cap 62 above of lower section and being positioned at cap seat 61
And the connecting portion 63 between cap 62.The cap seat 61 of upright post cap 6 is provided with for being fixedly attached on column 1 by upright post cap 6
First screw 61-1, the cross section of the cap 62 of upright post cap 6 is identical with the cross sectional shape of cross tube 2 and is sized for cross tube 2 and inserts
Entering, the connecting portion 63 of upright post cap 6 is provided with for by fixing with upright post cap 6 for cross tube 2 the second screw 63-1 being connected.See figure
6-1 and 6-2, is respectively equipped with draw-in groove 2-1 at the lower surface two ends of cross tube 2.Seeing Fig. 7-1 and 7-2, spring leaf 9 includes connecting
Portion 91 and Access Division 92, the connecting portion 91 of spring leaf 9 is provided with the 3rd screw 91-1.
Referring also to Fig. 5, during installation, first upright post cap 6 is placed on the upper end of column 1, and by the screw cap by upright post cap 6
Upright post cap 6 is fixed on column 1 by the first screw 61-1 on seat 61, and then one end of cross tube 2 inserts the cap of upright post cap 6
In lid 62 and by the screw 64 connecting portion 91 by the second screw 63-1 on the connecting portion 63 of upright post cap 6 and spring leaf 9
The 3rd screw 91-1 fixing connect, the Access Division 92 of spring leaf 9 is then inserted in the draw-in groove 2-1 of cross tube 2.
Participating in Fig. 1, reflecting coating 100 is arranged on cross tube 2 and upright post cap 6, so so that reflecting coating 100
Unremitting continuous distributed.And for only connecting the edge column of a cross tube, the structure of its upright post cap sees Fig. 9-1 to 9-3.
Seeing Figure 10, one end (other end is identical with this) of sheer pole 3 is connected with column 1 by stamping connection set 7.See
Figure 12-1 to 12-3, stamping connection set 7 includes that first outside hollow body 71 upper surface of hollow body 71, setting is outer spacing
Block 72, arrange hollow body 71 lower surface outside the second outer limited block 73 and be arranged on inside hollow body 71 lower surface
Inner limited block 74.The cross section of hollow body 71 is identical with the cross sectional shape of sheer pole 3 and is sized for sheer pole 3 and inserts.Ginseng
See Figure 11-1 and 11-2, be additionally provided with at the lower surface two ends of sheer pole 3 and be suitable to the limit that the inner limited block 74 of stamping connection set 7 inserts
Position hole 3-1.
Still see Figure 10, during installation, one end of sheer pole 3 is inserted in the hollow body 71 of stamping connection set 7, and by interior limit
In the spacing hole 3-1 of position block 74 lower surface that is placed in sheer pole 3 spacing fixing, then sheer pole 3 and stamping connection are overlapped 7 one
Rise in the jack of insertion column 1, and be fixed in column 1 by the first outer limited block 72 and the second outer limited block 73.
(embodiment 2)
Seeing Figure 13～Figure 16, the guardrail of the present embodiment is substantially the same manner as Example 1, and difference is: two root posts 1 it
Between montant 4 in, be positioned at two montants 4 at two ends and be positioned at the montant 4 of centre and be fixed on horizontal stroke by fixation kit 8
Between bar 2 and sheer pole 3.
Fixation kit 8 includes a steel pipe 82, square external member 83 of 81, thread complete set and a trip bolt
84。
Steel pipe 81 can be round steel pipe, it is also possible to for rectangular steel tube, the present embodiment is round steel pipe.
The upper end of steel pipe 81 is welded and fixed with square external member 83, and the upper surface of square external member 83 is adapted for insertion into cross tube 2
Punching hole in, the lower end of steel pipe 81 is provided with external screw thread, and the upper end of thread complete set 82 is provided with and the external screw thread phase of steel pipe 81 lower end
Adapt to internal thread, the lower end of thread complete set 82 be provided with adapt with trip bolt 84 internal thread.
During installation, the punching hole of cross tube 2 lower surface is inserted in the upper end of the steel pipe 81 that upper end is welded with square external member 83
In, and rotate to an angle thus block fixing with the reinforcement in cross tube 2, then the lower end of steel pipe 81 is sequentially inserted into
The stamping connector 5 of side, montant 4, the stamping connector 5 of lower section, then the internal thread with thread complete set 82 upper end is connected, then connects
In the punching hole inserting sheer pole 3, and be connected with the internal thread of thread complete set 82 lower end by trip bolt 84, thus will be perpendicular
Bar 4 is fixed between cross tube 2 and sheer pole 3.
By the montant 4 at two ends and the montant 4 of centre are fixedly connected between cross tube 2 and sheer pole 3, then can protect
Demonstrate,prove the stability of whole fence unit structure.
Claims (4)
1. a combined road guardrail, including column (1), cross tube (2), sheer pole (3) and montant (4)；Described upper horizontal stroke
The two ends, left and right of bar (2) are all connected with described column (1), and the two ends, left and right of described sheer pole (3) are all with described column (1) even
Connecing, the two ends up and down of described montant (4) are connected with described cross tube (2), sheer pole (3) respectively；It is characterized in that:
Also include the fixation kit for being fixedly connected between described cross tube (2) and sheer pole (3) by described montant (4)
(8)；Described fixation kit (8) includes a steel pipe (81), a thread complete set (82), a square external member (83) and one
Trip bolt (84)；The upper end of described steel pipe (81) is welded and fixed with described square external member (83), and described square external member (83)
Upper surface be adapted for insertion in the punching hole of described cross tube (2)；The lower end of described steel pipe (81) is provided with external screw thread；Described screw thread
The upper end of external member (82) is provided with the internal thread that the external screw thread with described steel pipe (81) lower end adapts, described thread complete set (82)
Lower end is provided with the internal thread adapted with described trip bolt (84)；
The two ends, left and right of described cross tube (2) are all connected with described column (1) by upright post cap (6)；
Described upright post cap (6) include being positioned at lower section cap seat (61), cap (62) above and be positioned at cap seat (61) and
Connecting portion (63) between cap (62)；
The cap seat (61) of described upright post cap (6) is provided with for being fixedly attached on described column (1) by described upright post cap (6)
First screw (61-1)；The cross section of the cap (62) of described upright post cap (6) is identical and big with the cross sectional shape of described cross tube (2)
The little described cross tube (2) that is suitable to inserts；The connecting portion (63) of described upright post cap (6) be provided with for by described cross tube (2) with
Fixing the second screw (63-1) connected of described upright post cap (6).
Combined road guardrail the most according to claim 1, it is characterised in that: described cross tube (2) passes through a spring leaf
(9) fixing with described upright post cap (6) it is connected；
Described spring leaf (9) includes connecting portion (91) and Access Division (92), and the connecting portion (91) of described spring leaf (9) is provided with
Three screws (91-1)；
Draw-in groove (2-1) it is respectively equipped with at the lower surface two ends of described cross tube (2)；
Described cross tube (2) inserts in the cap (62) of described upright post cap (6) and by the screw (64) company by upright post cap (6)
Connect the 3rd screw (91-1) on the connecting portion (91) of the second screw (63-1) in portion (63) and spring leaf (9) fixing even
Connect, and the Access Division (92) of spring leaf (9) is inserted in the draw-in groove (2-1) of described cross tube (2).
Combined road guardrail the most according to claim 1 and 2, it is characterised in that: described cross tube (2) and described column
Reflecting coating (100) and highly consistent it is equipped with on cap (6).
Combined road guardrail the most according to claim 1, it is characterised in that: described column (1), cross tube (2), lower horizontal stroke
Bar (3) and montant (4) are aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310539502.7A CN103628433B (en) | 2013-11-04 | 2013-11-04 | combined road guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310539502.7A CN103628433B (en) | 2013-11-04 | 2013-11-04 | combined road guardrail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103628433A CN103628433A (en) | 2014-03-12 |
| CN103628433B true CN103628433B (en) | 2016-08-17 |
Family
ID=50209860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310539502.7A Expired - Fee Related CN103628433B (en) | 2013-11-04 | 2013-11-04 | combined road guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103628433B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594506A (en) * | 2016-10-24 | 2017-04-26 | 无锡市明骥智能机械有限公司 | Protection-type aluminum alloy rack |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB839912A (en) * | 1957-01-14 | 1960-06-29 | Svend Aage Rasmussen | A safety fence for motorways |
| JPH06287919A (en) * | 1993-04-01 | 1994-10-11 | Hayashi Kosan Kk | Guard fence |
| JP3675614B2 (en) * | 1997-08-12 | 2005-07-27 | 積水樹脂株式会社 | Protective fence |
| JP3632441B2 (en) * | 1998-05-27 | 2005-03-23 | 日本軽金属株式会社 | Guard fence for vehicle |
| CN201981725U (en) * | 2011-03-24 | 2011-09-21 | 招景棉 | Assembled metal hand rail |
| CN202108017U (en) * | 2011-05-17 | 2012-01-11 | 李琳 | Clamp-connected steel guardrail |
| CN202744947U (en) * | 2012-07-24 | 2013-02-20 | 布雷尔利（北京）金属家居用品股份有限公司 | Guard rail device |
| CN203239049U (en) * | 2013-05-07 | 2013-10-16 | 王宗华 | Fence clamping-connection structure |
-
2013
- 2013-11-04 CN CN201310539502.7A patent/CN103628433B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103628433A (en) | 2014-03-12 |
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Address after: 210024 1 Xikang Road, Gulou District, Nanjing, Jiangsu Patentee after: Li Wenkang Address before: 401220 1 unit 2-4, riding saddle Green square, Changshou District, Chongqing Patentee before: Li Wenkang |
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