CN105735172A - Municipal road guardrail and construction method thereof - Google Patents
Municipal road guardrail and construction method thereof Download PDFInfo
- Publication number
- CN105735172A CN105735172A CN201610103978.XA CN201610103978A CN105735172A CN 105735172 A CN105735172 A CN 105735172A CN 201610103978 A CN201610103978 A CN 201610103978A CN 105735172 A CN105735172 A CN 105735172A
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- Prior art keywords
- pipe
- hollow pipe
- nail
- ball
- built
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Classifications
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- 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
- E01F15/0461—Supports, e.g. posts
-
- 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
- E01F15/0484—Installing; Repairing; Adjusting
Abstract
The invention discloses a municipal road guardrail which comprises guardrail rods and round bases. Installation holes distributed circumferentially are formed in each base and composed of broaching holes located in the upper portions and penetrating holes located in the lower portions. The municipal road guardrail is characterized in that embedded pipes embedded in a road are arranged below the installation holes, an inner cavity of each embedded pipe is divided into an upper cavity and a lower cavity through a step, and a hollow pipe with a folded edge arranged at the top is arranged in each embedded pipe; the hollow pipes penetrate the penetrating holes, the folded edges are located in the broaching holes, multiple bead holes penetrating the inner walls of the hollow pipes are formed in the lower portions of the hollow pipes, and beads are arranged in the bead holes; and the interval between each hollow pipe and the inner wall of the corresponding lower cavity is smaller than the diameter of the corresponding bead. The invention further designs a construction method for the municipal road guardrail. The municipal road guardrail has the beneficial effects that when the municipal road guardrail is broken and needs to be replaced, all the embedded pipes, all the hollow pipes, all the beads and all nails can be repeatedly used, and a road surface is free of notches and does not need to be frequently maintained.
Description
Technical field
The present invention relates to a kind of town road, especially a kind of town road guardrail.
Background technology
Town road guardrail is located on road and plays cuts off and the effect of shunting.
Existing one of which town road guardrail includes railing and base, it is arranged on road and plays compartmentation, base is provided with installing hole, its mounting means is to connect by beating the mode of setscrew on pavement of road, the material of town road guardrail is general softer, railing and base are generally adopted plastics, resin and PVC material, have so hit and people and Che will not have been produced excessive impact；Using for a long time, or hit by car, town road guardrail just damages, and now needs to update；The mode updated is to pull out original setscrew, and on road surface, another place beats setscrew more again, until not having local beating, such road surface will be keeped in repair；Or just nail at original setscrew installing hole place, such mode, inconvenience is installed, the breakage of road pavement is comparatively serious.Owing to there is problems in that, it is therefore necessary to existing town road guardrail is improved.
Summary of the invention
A kind of repair and replacement conveniently town road guardrail that the invention aims to solve the deficiency of above-mentioned technology and design.
A kind of town road guardrail designed by the present invention, including the base of railing and circle, is provided with the installing hole being circumferentially distributed on base；Described installing hole is by superposed reaming and is positioned at the perforation of bottom and constitutes；It is characterized in that described installing hole is connected with the built-in pipe being embedded in road, the inner chamber of built-in pipe is separated into epicoele and cavity of resorption by step, and epicoele internal diameter is less than cavity of resorption；The hollow pipe of top tape flange it is provided with in built-in pipe；Described hollow pipe is through described perforation, and described flange is positioned at described reaming, has gap between described hollow pipe and upper cavity wall, and described hollow pipe bottom is provided with some hole of beads running through hollow pipe inwall, is provided with ball in the described hole of bead；Opening inside the described hole of bead is less than the diameter of ball, and the opening outside the described hole of bead is more than the diameter of ball, and the diameter of described ball, more than the wall thickness of built-in pipe, is provided with the nail for tensioner ball in described hollow pipe；The ailhead of described nail also is located in described reaming and ailhead is positioned at above described flange；After installation, described ball is secured between cavity wall and nail；When the ailhead of hollow pipe flange and nail is pressed under continuing, described ball can be located at described lower intracavity；The diameter being smaller than ball between described hollow pipe and lower cavity wall.
The construction method of above-mentioned town road guardrail designed by the present invention, it is characterised in that comprise the steps:
Built-in pipe on burying in road, the position of built-in pipe is corresponding with installing hole；
Town road guardrail is located on road and makes installing hole corresponding with built-in pipe position；
Ball is put into the hole of bead of hollow pipe inwall, hollow pipe is inserted in one of in installing hole and built-in pipe；
Nail is inserted in hollow pipe；
Adopt a kind of hold down gag, this hold down gag is made up of montant, upper bow, arc lower bar, leg, slip ring and staving, montant is two, left and right, and every montant is designed with a described slip ring, and described upper bow and arc lower bar are connected to top and the bottom of two montants；Described leg is be connected to two, left and right bottom two montants, and leg is positioned at the opposite side of arc lower bar and two legs are open-shaped；Described staving is connected in the middle of two slip rings, and described staving bottom centre is provided with cylinder, and described cylinder bottom centre is provided with depression bar；Arc lower bar is leaned against on base, depression bar is made to be directed at the ailhead of nail, staving is moved to montant top and lets go and make its free-falling, depression bar is utilized to be depressed by nail, ball is made to be secured between cavity wall and nail, hollow pipe in this installing hole and nail installation, continue to install remaining installing hole as stated above.
The invention has the beneficial effects as follows: after installation is complete, railing and base can be securely disposed on road, and installation process is more convenient, when town road guardrail uses time longer or damaged time, dismantle very convenient, all of built-in pipe, hollow pipe, ball, nail all can Reusability, road surface there will not be cut, road surface need not often be keeped in repair.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of embodiment 1 town road guardrail；
Fig. 2 is the structural representation of embodiment 1 town road guardrail；
Fig. 3 is the enlarged drawing at A place in Fig. 2；
Schematic diagram when Fig. 4 is embodiment 1 hollow pipe and nail does not install；
Fig. 5 is the schematic diagram at embodiment 1 hole of bead place；
Fig. 6 is the structural representation of embodiment 2 hollow pipe；
Fig. 7 is the structural representation of the hold down gag that embodiment 3 adopts；
Fig. 8 is the structural representation of the hold down gag that embodiment 4 adopts；
In figure: railing 1, base 2, installing hole 3, built-in pipe 4, epicoele 5, cavity of resorption 6, flange 7, hollow pipe 8, the hole of bead 9, road 10, ball 11, nail 12, reaming 131, perforation 132, ailhead 14, step 15, opening 16, hold down gag 17, montant 18, upper bow 19, arc lower bar 20, leg 21, slip ring 22, upper slip ring 221, lower slip ring 222, staving 23, cylinder 24, depression bar 25, tooth 26, cake of press 27.
Detailed description of the invention
In conjunction with accompanying drawing, the invention will be further described by the examples below.
Embodiment 1:
As shown in Figure 1, 2, 3, the town road guardrail described by the present embodiment, including the base 2 of railing 1 and circle, base 2 is provided with the installing hole 3 being circumferentially distributed；Described installing hole 3 is made up of superposed reaming 131 and the perforation 132 being positioned at bottom；It is characterized in that described installing hole 3 is connected with the built-in pipe 4 being embedded in road 10, as shown in Figure 4,5, the inner chamber of built-in pipe 4 is separated into epicoele 5 and cavity of resorption 6 by step 15, and epicoele 5 internal diameter is less than cavity of resorption 6；The hollow pipe 8 of top tape flange 7 it is provided with in built-in pipe 4；The described perforation 132 of traverse of described hollow pipe 8, described flange 7 is positioned at described reaming 131, gap is had between described hollow pipe 8 and epicoele 5 inwall, gap is generally 2-3 millimeter, described hollow pipe 8 bottom is provided with some hole of beads 9 running through hollow pipe 8 inwall, hole 9 can be two, left and right, or be circumferentially distributed three or four, it is provided with ball 11 in the described hole of bead 9；Opening inside the described hole of bead 9 is less than the diameter of ball 11, such ball 11 will not inwardly drop, opening 16 outside the described hole of bead 9 is more than the diameter of ball 11, the diameter of described ball 11 is more than the wall thickness of built-in pipe 4, ball 11 can left and right moving in the hole of bead 9, can outwards eject when being oppressed by nail 12, in described hollow pipe 8, be provided with the nail 12 for tensioner ball 11；The ailhead 14 of described nail 12 also is located in described reaming 131 and ailhead 14 is positioned at above described flange 7；After installation, described ball 11 is secured between epicoele 5 inwall and nail 12；When the ailhead 14 of hollow pipe 8 flange 7 and nail 12 is pressed under continuing, described ball 11 can be located in described cavity of resorption 6；The diameter being smaller than ball 11 between described hollow pipe 8 and cavity of resorption 6 inwall.
The construction method of above-mentioned town road guardrail, it is characterised in that comprise the steps:
Burying built-in pipe 4 in road 10, the position of built-in pipe 4 is corresponding with installing hole 3；
Town road guardrail is located on road 10 and makes installing hole 3 corresponding with built-in pipe 4 position；
Ball 11 is put into the hole of bead 9 of hollow pipe 8 inwall, hollow pipe 8 is inserted in one of installing hole 3
With in built-in pipe 4；
Nail 12 is inserted in hollow pipe 8；
Large hammers is utilized to beat ailhead 14, the head width of large hammers is more than the aperture of reaming 131, ailhead 14 is pressed downward against, the end face making ailhead 14 was put down with base 2 end face, now flange 7 is compressed by ailhead 14, ball 11 is outwards pushed up and makes ball 11 be secured between epicoele 5 inwall and nail 12 by nail 12, hollow pipe 8 in this installing hole 3 and nail 12 installation, continues to install remaining installing hole 3 as stated above.
Such mounting means may insure that nail 12 too moves down and forms maloperation, because the head width of large hammers is more than the aperture of reaming 131, ailhead 14 can not be continued to strike down by large hammers again.
nullThe method for dismounting of above-mentioned town road guardrail，Its method adopted is firmly to knock ailhead 14 with little hammer，Little hammer refers to the head hammer less than reaming 131 aperture，When ailhead 14 is beaten，Hollow pipe 8 flange 7 below is produced compressing by ailhead 14 stress，Base 2 below is then produced compressing by flange 7，Base 2 part below flange 7 can be crushed or crush damage，(because railing and base are generally adopted plastics、PVC、The materials such as resin，Material is softer on the one hand，On the other hand because time relatively elderization，Under weight effect，The part of the base 2 below flange 7 can easily be crushed or crush damage，) so the position of hollow pipe 8 decline further，Ball 11 is made to be positioned at cavity of resorption 6，At this moment make ball 11 freely，Nail 12 also would not be compacted，Nail 12 just can be extracted，After nail 12 is extracted，Hollow pipe 8 can also be pulled out，Ball 11 is then along with hollow pipe 8 takes out together，Adopt and take out all of hollow pipe 8 and nail 12 in this way，Then more renew.
The invention has the beneficial effects as follows: after installation is complete, railing and base can be securely disposed on road, and installation process is more convenient, when town road guardrail uses time longer or damaged time, dismantle very convenient, all of built-in pipe, hollow pipe, ball, nail all can Reusability, road surface there will not be cut, road surface need not often be keeped in repair.
In the present embodiment, the step surface of step 15 is preferably cambered surface or inclined-plane, and during dismounting, when upwards being extracted by hollow pipe 8, ball 11 more smoothly through step surface, can make ball 11 to extract with hollow pipe 8 to the hole of bead 9 by rollback better, dismantle more convenient.
Embodiment 2:
As shown in Figure 6, the town road guardrail described by the present embodiment, as different from Example 1: described flange 7 bottom surface is provided with tooth 26, the existence of tooth 26, flange 7 stress when dismounting, and the base portion below flange 7 is easier to crushed, it is easy to dismounting.
Embodiment 3
The construction method of the designed another kind of town road guardrail of the present invention, it is characterised in that comprise the steps:
Burying built-in pipe 4 in road 10, the position of built-in pipe 4 is corresponding with installing hole 3；
Town road guardrail is located on road 10 and makes installing hole 3 corresponding with built-in pipe 4 position；
Ball 11 is put into the hole of bead 9 of hollow pipe 8 inwall, hollow pipe 8 is inserted in one of installing hole 3
With in built-in pipe 4；
Nail 12 is inserted in hollow pipe 8；
Adopt a kind of hold down gag 17, as shown in Figure 7, this hold down gag 17 is made up of montant 18, upper bow 19, arc lower bar 20, leg 21, slip ring 22 and staving 23, montant 18 is two, left and right, being designed with a described slip ring 22 on every montant 18, described upper bow 19 and arc lower bar 20 are connected to top and the bottom of two montants 18；Described leg 21 is be connected to two, left and right bottom two montants 18, and leg 21 is positioned at the opposite side of arc lower bar 20 and two legs 21 open-shaped (being so easier to lay)；Described staving 23 is connected in the middle of two slip rings 22, and described staving 23 bottom centre is provided with cylinder 24, and described cylinder 24 bottom centre is provided with depression bar 25；Arc lower bar 20 is leaned against on base 2, depression bar 25 is made to be directed at the ailhead 14 of nail 12, staving 23 is moved to montant 18 top and lets go and make its free-falling, depression bar 25 is utilized to be depressed by nail 12, ball 11 is made to be secured between epicoele 5 inwall and nail 12, hollow pipe 8 in this installing hole 3 and nail 12 installation, continue to install remaining installing hole 3 as stated above.
The present embodiment have employed hold down gag 17, utilize self gravitation that nail 12 is beaten during installation, when dismounting, weight is loaded in staving 23, staving 23 is moved to montant 18 top again and lets go and make its free-falling, owing to gravity strengthens, ailhead 14 pressure experienced is also big, base portion below flange 7 is crushed or flattens, the position of such hollow pipe 8 declines further, ball 11 is made to be positioned at cavity of resorption 6, at this moment make ball 11 freely, nail 12 also would not be compacted, nail 12 just can be extracted, after nail 12 is extracted, hollow pipe 8 can also be pulled out, ball 11 is then along with hollow pipe 8 takes out together, adopt and take out all of hollow pipe 8 and nail 12 in this way, then more renew.
Described weight adopts weights, as long as the base portion below flange 7 being crushed or flattened after test.
How this mode, strike, during empty bucket, the base portion being all not enough to below by flange 7 and crush or flatten, only after heavy burden, because two states is respectively used to installation and removal.
Construction method described in the present embodiment, it is possible to the town road guardrail described in embodiment 1 or 2 is constructed.
Hold down gag 17 mentioned here can firmly be stood when vertically placing, and owing to arc lower bar 20 can be fitted on the base 2 of circle, is therefore easier to para-position when knocking.
Embodiment 4
The construction method of a kind of town road guardrail designed by the present invention, it is characterised in that comprise the steps:
Burying built-in pipe 4 in road 10, the position of built-in pipe 4 is corresponding with installing hole 3；
Town road guardrail is located on road 10 and makes installing hole 3 corresponding with built-in pipe 4 position；
Ball 11 is put into the hole of bead 9 of hollow pipe 8 inwall, hollow pipe 8 is inserted in one of installing hole 3
With in built-in pipe 4；
Nail 12 is inserted in hollow pipe 8；
Adopt a kind of hold down gag 17, as shown in Figure 8, this hold down gag 17 is made up of montant 18, upper bow 19, arc lower bar 20, leg 21, slip ring 22, staving 23, cake of press 27, montant 18 is two, left and right, every montant 18 is designed with two described slip rings 22, namely two described slip rings 22 go up slip ring 221 and lower slip ring 222, and described upper bow 19 and arc lower bar 20 are connected to top and the bottom of two montants 18；Described leg 21 is be connected to two, left and right bottom two montants 18, and leg 21 is positioned at the opposite side of arc lower bar 20 and two legs 21 are open-shaped；Described staving 23 is connected in the middle of two upper slip rings 221, and described cake of press 27 is connected in the middle of two lower slip rings 222, and described cake of press 27 bottom centre is provided with cylinder 24, and described cylinder 24 bottom centre is provided with depression bar 25；Arc lower bar 20 is leaned against on base 2, depression bar 25 is made to be directed at the ailhead 14 of nail 12, being put down by cake of press 27, depression bar 25 is placed on ailhead 14, staving 23 moves to montant 18 top and lets go and make its free-falling, cake of press 27 is clashed into by staving 23, cake of press 27 drives depression bar to press for 25 times, utilizes depression bar 25 to be depressed by nail 12, makes ball 11 be secured between epicoele 5 inwall and nail 12, hollow pipe 8 in this installing hole 3 and nail 12 installation, continue to install remaining installing hole 3 as stated above.
When dismounting, weight is loaded in staving 23, staving 23 is moved to montant 18 top again and lets go and make its free-falling, owing to gravity strengthens, ailhead 14 pressure experienced is also big, base portion below flange 7 is crushed or flattens, the position of such hollow pipe 8 declines further, ball 11 is made to be positioned at cavity of resorption 6, at this moment make ball 11 freely, nail 12 also would not be compacted, nail 12 just can be extracted, after nail 12 is extracted, hollow pipe 8 can also be pulled out, ball 11 is then along with hollow pipe 8 takes out together, adopt and take out all of hollow pipe 8 and nail 12 in this way, then more renew.
Described weight adopts weights, as long as the base portion below flange 7 being crushed or flattened after test.
How this mode, strike, during empty bucket, the base portion being all not enough to below by flange 7 and crush or flatten, and only after heavy burden, because two states is respectively used to installation and removal, mounts and dismounts more sure.It addition, depression bar 25 can be placed on ailhead 14 by this hold down gag 17 in advance, it is more accurate so to knock, more accurate than embodiment 3.
Construction method described in the present embodiment, it is possible to the town road guardrail described in embodiment 1 or 2 is constructed.
Above-described embodiment is only the design explanation for example to the present invention, it will be apparent that, the protection domain of this patent is not limited to above-described embodiment.
The various equivalent modifications or supplementary that above-described embodiment is made by those skilled in the art, all should fall into the protection domain of this patent.
Claims (2)
1. a town road guardrail, including the base (2) of railing (1) and circle, is provided with the installing hole (3) being circumferentially distributed on base (2)；Described installing hole (3) is by superposed reaming (131) and is positioned at the perforation (132) of bottom and constitutes；It is characterized in that described installing hole (3) is connected with the built-in pipe (4) being embedded in road (10), the inner chamber of built-in pipe (4) is separated into epicoele (5) and cavity of resorption (6) by step (15), and epicoele (5) internal diameter is less than cavity of resorption (6)；The hollow pipe (8) of top tape flange (7) it is provided with in built-in pipe (4)；Described hollow pipe (8) the described perforation of traverse (132), described flange (7) is positioned at described reaming (131), gap is had between described hollow pipe (8) and epicoele (5) inwall, described hollow pipe (8) bottom is provided with some hole of beads (9) running through hollow pipe (8) inwall, is provided with ball (11) in the described hole of bead (9)；The opening of inner side, the described hole of bead (9) is less than the diameter of ball (11), the opening (16) in outside, the described hole of bead (9) is more than the diameter of ball (11), the diameter of described ball (11), more than the wall thickness of built-in pipe (4), is provided with the nail (12) for tensioner ball (11) in described hollow pipe (8)；The ailhead (14) of described nail (12) also is located in described reaming (131) and ailhead (14) is positioned at described flange (7) top；After installation, described ball (11) is secured between epicoele (5) inwall and nail (12)；When the ailhead (14) of hollow pipe (8) flange (7) and nail (12) is pressed under continuing, described ball (11) can be located in described cavity of resorption (6)；The diameter being smaller than ball (11) between described hollow pipe (8) and cavity of resorption (6) inwall.
2. the construction method of a town road guardrail as claimed in claim 1, it is characterised in that comprise the steps:
Burying upper built-in pipe (4) in road (10), the position of built-in pipe (4) is corresponding with installing hole (3)；
Town road guardrail is located on road (10) and makes installing hole (3) corresponding with built-in pipe (4) position；
Ball (11) is put into the hole of bead (9) of hollow pipe (8) inwall, hollow pipe (8) is inserted in one of in installing hole (3) and built-in pipe (4)；
Nail (12) is inserted in hollow pipe (8)；
Adopt a kind of hold down gag (17), this hold down gag (17) is made up of montant (18), upper bow (19), arc lower bar (20), leg (21), slip ring (22) and staving (23), montant (18) is two, left and right, being designed with a described slip ring (22) on every montant (18), described upper bow (19) and arc lower bar (20) are connected to top and the bottom of two montants (18)；Described leg (21) is two, the left and right being connected to two montants (18) bottom, and leg (21) is positioned at the opposite side of arc lower bar (20) and two legs (21) are open-shaped；Described staving (23) is connected in the middle of two slip rings (22), and described staving (23) bottom centre is provided with cylinder (24), and described cylinder (24) bottom centre is provided with depression bar (25)；Arc lower bar (20) is leaned against on base (2), depression bar (25) is made to be directed at the ailhead (14) of nail (12), staving (23) is moved to montant (18) top and lets go and make its free-falling, depression bar (25) is utilized to be depressed by nail (12), ball (11) is made to be secured between epicoele (5) inwall and nail (12), hollow pipe (8) in this installing hole (3) and nail (12) installation, continue to install remaining installing hole (3) as stated above.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910960957.3A CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
| CN201610103978.XA CN105735172B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103978.XA CN105735172B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910960957.3A Division CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735172A true CN105735172A (en) | 2016-07-06 |
| CN105735172B CN105735172B (en) | 2020-01-24 |
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| CN201910960957.3A Active CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
| CN201610103978.XA Active CN105735172B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910960957.3A Active CN110670514B (en) | 2016-02-25 | 2016-02-25 | Municipal road guardrail and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112227262A (en) * | 2020-09-30 | 2021-01-15 | 江苏杨园生态环保有限公司 | Fixing device for municipal road guardrail and mounting method thereof |
| CN112533401A (en) * | 2019-09-17 | 2021-03-19 | 台达电子工业股份有限公司 | Anti-dismantling device |
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| CN204849653U (en) * | 2015-08-26 | 2015-12-09 | 济宁市金蓝领教育咨询有限公司 | Celebration is with plastics guardrail of aggregate erection of being convenient for |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112533401A (en) * | 2019-09-17 | 2021-03-19 | 台达电子工业股份有限公司 | Anti-dismantling device |
| CN112533401B (en) * | 2019-09-17 | 2023-04-28 | 台达电子工业股份有限公司 | Anti-dismantling device |
| CN112227262A (en) * | 2020-09-30 | 2021-01-15 | 江苏杨园生态环保有限公司 | Fixing device for municipal road guardrail and mounting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110670514B (en) | 2021-06-25 |
| CN110670514A (en) | 2020-01-10 |
| CN105735172B (en) | 2020-01-24 |
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