CN107386787A - A kind of building construction guard rail - Google Patents
A kind of building construction guard rail Download PDFInfo
- Publication number
- CN107386787A CN107386787A CN201710712854.6A CN201710712854A CN107386787A CN 107386787 A CN107386787 A CN 107386787A CN 201710712854 A CN201710712854 A CN 201710712854A CN 107386787 A CN107386787 A CN 107386787A
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- Prior art keywords
- parts
- connecting rod
- elastic portion
- base
- fixed
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
Abstract
The present invention provides a kind of building construction guard rail, including base, and two parallel chutes are opened up on base, is slided in each chute and sets a perpendicular column, the perpendicular column in two chutes is connected by cross bar；Cross bar includes adapter sleeve made of the n hard materials that head and the tail abut successively, sequentially passes through all adapter sleeves and the connecting rod that can be moved relative to adapter sleeve, two adapter sleeves of head and the tail in connecting rod are fixed with two perpendicular columns respectively, connecting rod is made up of hard portion, elastic portion, hard portion and elastic portion are respectively provided with n 1, and hard portion and elastic portion are spaced are fixedly linked successively；The head and the tail both ends of connecting rod are fixed for the first drawstring and the second drawstring for pulling connecting rod to be moved relative to adapter sleeve respectively, the one end of first drawstring away from connecting rod is fixed with one of them perpendicular column, and the one end of the second drawstring away from connecting rod is fixed through another perpendicular column with base；Limited block, buffer spring are set in chute, and the both ends of buffer spring in the axial direction are fixed with perpendicular column, base respectively.
Description
Technical field
The present invention relates to a kind of building construction guard rail.
Background technology
In construction, guard rail can be set for periphery at construction, on the one hand guard rail is used as reminding effect, avoided non-
Workmen is strayed into construction area, causes danger.On the other hand, protective action is played.
Notification number is that CN202108017U patent discloses a kind of clamp-connected steel guardrail, including column, cross tube, lower horizontal stroke
Bar and montant；Cross tube and sheer pole are connected by corresponding connector with column；The upper end of montant by shackle member with
Cross tube is connected, and the lower end of montant is connected by male member with sheer pole.
When being hit by automobile etc., guardrail is easily knocked away this steel guard rail, and its safety guarantee is relatively low, threatens construction
Personal security.
The content of the invention
It is an object of the invention to provide a kind of building construction guard rail, security are higher.
The present invention above-mentioned technical purpose technical scheme is that：A kind of building construction guard rail,
Including base, two parallel chutes are opened up on the base, the chute is dovetail groove, slides and sets in each chute
One perpendicular column, the perpendicular column in two chutes is connected by cross bar；Cross bar includes the n hard materials that head and the tail abut successively and is made
Adapter sleeve, sequentially pass through all adapter sleeves and the connecting rod that can be moved relative to adapter sleeve, two connections of head and the tail in connecting rod
Set is fixed with two perpendicular columns respectively, the connecting rod hard portion, elastic portion group made of elastomeric material made of the hard material
Into hard portion and elastic portion are respectively provided with n-1, and adjacent hard portion is separated by elastic portion and hard portion and elastic portion stationary phase
Even；The head and the tail both ends of connecting rod are fixed for the first drawstring and the second drawstring for pulling connecting rod to be moved relative to adapter sleeve respectively,
The one end of first drawstring away from connecting rod is fixed with one of them perpendicular column, second drawstring away from connecting rod one
Column is erected through another and is fixed with base in end；The limited block of restricted perpendicular column movement is set in the chute；Set in the chute
Buffer spring is equipped with, the both ends of buffer spring in the axial direction are fixed with perpendicular column, base respectively；When buffer spring is in nature shape
During state, hard portion is located at the junction of two neighboring adapter sleeve；Abutting limited block is slid into when buffer spring is compressed into perpendicular column
When, elastic portion is located at the junction of two neighboring adapter sleeve.
When installation, base by concreting on-site, now buffer spring in the raw when, hard
Portion is located at the junction of two neighboring adapter sleeve；When by external force collision, column is erected along slide, the second drawstring stress
It is displaced outwardly backwards to adapter sleeve, the first drawstring stress tends to adapter sleeve movement, and the second drawstring drives connecting rod movement, buffer spring
Compressed, carry out letting out power for the first time (the first drawstring avoids connecting rod from sliding excessive as position-limiting action)；When perpendicular column slide into
When connecing limited block, elastic portion is located at the junction of two neighboring adapter sleeve, and now two neighboring adapter sleeve is active, this
When elastic portion stress can carry out the secondary power of letting out；The kinetic energy of rammer, the peace of lifting construction personnel are substantially reduced by letting out power twice
Quan Xing.
Further, a connecting hole is opened up in the hard portion, a projection for stretching into connecting hole is fixed in the elastic portion.
In this way, by connecting hole and raised cooperation, the connection area of hard portion and elastic portion is added, lifting is overall to be connected
Intensity is connect, reduces the probability of connecting rod fracture.
Further, a pouring hole is opened up on the base, the pouring hole runs through base along substructure height direction, the bottom of in
Seat bottom open up one connected with pouring hole pour groove.
By pouring hole concrete perfusion, concrete, which extends to, pours groove, and increase pours area, and it is strong to lift pouring for base
Degree.
Further, the elastic portion is at least prepared by the raw material of following parts by weight：It is butadiene rubber 50-60 parts, hard
Resin acid 2-4 parts, polyvinyl fluoride 16-20 parts, glass fibre 1-2 parts, 3 parts of carboxymethyl cellulose, aluminum oxide 2-5 parts, silica
Microballoon 12-14 parts, magnesium hydroxide 5-7 parts, dipropylene 2-4 parts；The silicon dioxide microsphere particle diameter is 5-8 microns.
Butadiene rubber is primary raw material, and itself has higher elasticity.Stearic acid is as defoamer；Polyvinyl fluoride is lifted
The resistance to deflection and wearability of elastic portion；Glass fibre is used to lift intensity；Carboxymethyl cellulose is as dispersant；Aluminum oxide
For causing elastic portion that there is certain hardness；Silicon dioxide microsphere mainly carries out reinforcement to butadiene rubber；Magnesium hydroxide conduct
Fire retardant；Dipropylene is as flocculating agent.
Further, the elastic portion also includes bilayer graphene powder 3-5 parts.
The lubricity of elastic portion is lifted, facilitates connecting rod to be moved relative to adapter sleeve.
Further, elastic portion is prepared according to following steps：
S1, butadiene rubber, stearic acid, aluminum oxide, silicon dioxide microsphere, magnesium hydroxide, double-layer graphite are weighed according to deal proportioning
Alkene powder, above-mentioned raw materials are sequentially placed into mill and carry out mill, continues 40min, obtains mixture A；
S2, matched according to deal and claim polyvinyl fluoride, dipropylene, be put into banbury and carry out banburying, in 120 DEG C of temperature
Continue 3min down, then mixture A is put into and is sufficiently mixed, continue the banburying 6min at a temperature of 120 DEG C, obtain mixture B；
S3, carboxymethyl cellulose, glass fibre are weighed according to deal proportioning, it is first that carboxymethyl cellulose, glass fibre is fully mixed
Close, be then added in mixture B, by banbury banburying, continue 8min under 120 DEG C of temperature conditionss, obtain prefabrication C；
S4, prefabrication C is extruded by extruder.
In summary, the invention has the advantages that：This programme by designing level 2 buffering, lifting construction personnel's
Security.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the A-A sectional views in Fig. 2；
Fig. 4 is Fig. 3 B portions enlarged drawing.
Reference：1st, base；11st, chute；12nd, pouring hole；13rd, groove is poured；2nd, column is erected；3rd, cross bar；31st, adapter sleeve；
32nd, connecting rod；321st, hard portion；322nd, connecting hole；323rd, elastic portion；324th, it is raised；4th, limited block；5th, buffer spring；6th,
One drawstring；7th, the second drawstring.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Embodiment 1：A kind of building construction guard rail, such as Fig. 1, including base 1,6 pouring holes 12 are offered on base 1,
Each connection of pouring hole 12 one pours groove 13（Such as Fig. 3）, pour groove 13 and be located at the bottom of base 1.
Such as Fig. 1, the top of base 1 opens up two parallel chutes 11, and chute 11 is dovetail groove.It is sliding in each chute 11
Dynamic to set a perpendicular column 2, it is the dovetail part coordinated with chute 11 to erect the bottom of column 2, and two perpendicular columns 2 in two chutes 11 pass through
Cross bar 3 connects, and cross bar 3 sets three.Fix the limited block 4 that restricted perpendicular column 2 moves in chute 11, limited block 4 is with along chute
The center line of 11 length directions extension is symmetrical arranged two, and two limited blocks 4 are arranged at intervals；Buffer spring 5 is provided with chute 11,
The both ends of buffer spring 5 in the axial direction are fixed with perpendicular column 2, base 1 respectively, between buffer spring 5 is among two limited blocks 4
Every through.
Such as Fig. 3-4, cross bar 3 includes the adapter sleeve 31 of the n steels abutted from beginning to end successively, sequentially passes through all adapter sleeves 31
And can be solid with two perpendicular columns 2 respectively relative to two adapter sleeves 31 of head and the tail in the connecting rod 32 of the movement of adapter sleeve 31, connecting rod 32
It is fixed.The head and the tail both ends of connecting rod 32 are fixed for pulling respectively the first drawstring 6 that is moved relative to adapter sleeve 31 of connecting rod 32 and the
Two drawstrings 7, the first drawstring 6 and the second drawstring 7 are steel wire rope；One end away from connecting rod 32 of first drawstring 6 and one of them
Perpendicular column 2 is fixed, and second one end of drawstring 7 away from connecting rod 32 is fixed through another perpendicular column 2 with base 1.
Such as Fig. 4, connecting rod 32 made of the hard material hard portion 321, elastic portion 323 forms made of elastomeric material,
Hard portion 321 and elastic portion 323 are respectively provided with n-1, and adjacent hard portion 321 is separated by elastic portion 323 and the He of hard portion 321
Elastic portion 323 is fixedly linked.Hard portion 321 is the cylinder of steel, and a connecting hole 322 is opened up on its both sides end face；Elastic portion
323 be cylinder with the grade external diameter of hard portion 321, and elastic portion 323 is mainly made up of butadiene rubber, and its both ends is integrally formed with stretching
Enter the projection 324 of connecting hole 322.The connection of elastic portion 323 and hard portion 321 can be by way of viscose glue bonding, can also
By mould, hard portion 321 is first put into mould, the butadiene rubber mixture of Reperfu- sion melting.Wherein n value is according to reality
Border needs to select, generally 10-15.
Operation principle：When installation, toward the pouring hole 12 of base 1 in concrete perfusion cause base 1 to be cast in building site
On, now buffer spring 5 in the raw when, hard portion 321 is located at the junction of two neighboring adapter sleeve 31；When by outer
When power is hit, perpendicular column 2 is slided along chute 11, and the stress of the second drawstring 7 is displaced outwardly backwards to adapter sleeve 31, the first drawstring 6 by
Power tends to adapter sleeve 31 and moved, and the second drawstring 7 drives connecting rod 32 to move, and buffer spring 5 is compressed, and carries out letting out power for the first time；
When perpendicular column 2, which slides into, abuts limited block 4, elastic portion 323 is located at the junction of two neighboring adapter sleeve 31, now two neighboring
Adapter sleeve 31 is active, and now the stress of elastic portion 323 can carry out the secondary power of letting out；Shock is substantially reduced by letting out power twice
The kinetic energy of thing, the security of lifting construction personnel.
Elastic portion 323 is prepared by the raw material of following parts by weight：52 parts of butadiene rubber, 2 parts of stearic acid, polyvinyl fluoride 17
Part, 2 parts of glass fibre, 3 parts of carboxymethyl cellulose, 4 parts of aluminum oxide, 14 parts of silicon dioxide microsphere, 7 parts of magnesium hydroxide, dipropyl two
4 parts of alcohol butyl ether, 5 parts of bilayer graphene powder；Silicon dioxide microsphere particle diameter is 5-8 microns.
Preparation method is as follows：S1, according to deal proportioning weigh butadiene rubber, stearic acid, aluminum oxide, silicon dioxide microsphere,
Magnesium hydroxide, bilayer graphene powder, above-mentioned raw materials are sequentially placed into mill and carry out mill, continues 40min, obtains mixture A；
S2, matched according to deal and claim polyvinyl fluoride, dipropylene, be put into banbury and carry out banburying, in 120 DEG C of temperature
Continue 3min down, then mixture A is put into and is sufficiently mixed, continue the banburying 6min at a temperature of 120 DEG C, obtain mixture B；
S3, carboxymethyl cellulose, glass fibre are weighed according to deal proportioning, it is first that carboxymethyl cellulose, glass fibre is fully mixed
Close, be then added in mixture B, by banbury banburying, continue 8min under 120 DEG C of temperature conditionss, obtain prefabrication C；
S4, prefabrication C is extruded by extruder.
Embodiment 2：A kind of building construction guard rail, the difference with embodiment 1 are：The following institute of component of elastic portion 323
Show：57 parts of butadiene rubber, 3 parts of stearic acid, 16 parts of polyvinyl fluoride, 1 part of glass fibre, 3 parts of carboxymethyl cellulose, 3 parts of aluminum oxide,
13 parts of silicon dioxide microsphere, 6 parts of magnesium hydroxide, 3 parts of dipropylene, 3 parts of bilayer graphene powder；Silicon dioxide microsphere particle diameter
For 5-8 microns.
Embodiment 3：A kind of building construction guard rail, the difference with embodiment 1 are：The following institute of component of elastic portion 323
Show：60 parts of butadiene rubber, 4 parts of stearic acid, 16 parts of polyvinyl fluoride, 2 parts of glass fibre, 3 parts of carboxymethyl cellulose, 4 parts of aluminum oxide,
14 parts of silicon dioxide microsphere, 7 parts of magnesium hydroxide, 4 parts of dipropylene, 4 parts of bilayer graphene powder；Silicon dioxide microsphere particle diameter
For 5-8 microns.
Embodiment 4：A kind of building construction guard rail, the difference with embodiment 1 are：The following institute of component of elastic portion 323
Show：54 parts of butadiene rubber, 4 parts of stearic acid, 20 parts of polyvinyl fluoride, 1 part of glass fibre, 3 parts of carboxymethyl cellulose, 2 parts of aluminum oxide,
12 parts of silicon dioxide microsphere, 5 parts of magnesium hydroxide, 3 parts of dipropylene, 3 parts of bilayer graphene powder；Silicon dioxide microsphere particle diameter
For 5-8 microns.
Embodiment 5：A kind of building construction guard rail, the difference with embodiment 1 are：The following institute of component of elastic portion 323
Show：55 parts of butadiene rubber, 2 parts of stearic acid, 18 parts of polyvinyl fluoride, 2 parts of glass fibre, 3 parts of carboxymethyl cellulose, 3 parts of aluminum oxide,
13 parts of silicon dioxide microsphere, 6 parts of magnesium hydroxide, 2 parts of dipropylene, 5 parts of bilayer graphene powder；Silicon dioxide microsphere particle diameter
For 5-8 microns.
The rebound degree of elastic portion 323 in embodiment 1-5 is tested, respectively 42.3%, 47.2%, 43.8%,
45.6%、43.4%。
Claims (6)
1. a kind of building construction guard rail, including base (1), it is characterised in that：Two parallel cunnings are opened up on the base (1)
Groove (11), the chute (11) are dovetail groove, are slided in each chute (11) and set one perpendicular column (2), positioned at two chutes
(11) the perpendicular column (2) in is connected by cross bar (3)；Cross bar (3) includes connecting made of the n hard materials that head and the tail abut successively
Set (31), sequentially pass through all adapter sleeves (31) and can the connecting rod (32) that move of relative adapter sleeve (31), in connecting rod (32)
Two adapter sleeves (31) of head and the tail it is fixed with two perpendicular columns (2) respectively, connecting rod (32) hard made of hard material
Elastic portion (323) made of portion (321), elastomeric material forms, and hard portion (321) and elastic portion (323) are respectively provided with n-1, phase
Adjacent hard portion (321) is separated by elastic portion (323) and hard portion (321) and elastic portion (323) are fixedly linked；Connecting rod
(32) head and the tail both ends are fixed for pulling respectively connecting rod (32) relative to mobile the first drawstring (6) and second of adapter sleeve (31)
Drawstring (7), the one end of first drawstring (6) away from connecting rod (32) is fixed with one of them perpendicular column (2), and described second
The one end of drawstring (7) away from connecting rod (32) is fixed through another perpendicular column (2) and base (1)；Set in the chute (11)
The mobile limited block (4) of restricted perpendicular column (2)；It is provided with buffer spring (5) in the chute (11), buffer spring (5) is along axle
The both ends in line direction are fixed with perpendicular column (2), base (1) respectively；When buffer spring (5) in the raw when, hard portion (321)
Positioned at the junction of two neighboring adapter sleeve (31)；Abutting limited block is slid into when buffer spring (5) is compressed into perpendicular column (2)
(4) when, elastic portion (323) is located at the junction of two neighboring adapter sleeve (31).
2. a kind of building construction guard rail according to claim 1, it is characterized in that：One is opened up on the hard portion (321)
Connecting hole (322), a projection (324) for stretching into connecting hole (322) is fixed on the elastic portion (323).
3. a kind of building construction guard rail according to claim 1, it is characterized in that：One is opened up on the base (1) to pour
Hole (12), the pouring hole (12) run through base (1) along base (1) short transverse, and one and pouring hole are opened up in base (1) bottom
(12) what is connected pours groove (13).
4. a kind of building construction guard rail according to claim 1, it is characterized in that：The elastic portion (323) at least by with
The raw material of lower parts by weight is prepared：Butadiene rubber 50-60 parts, stearic acid 2-4 parts, polyvinyl fluoride 16-20 parts, glass fibre 1-
2 parts, 3 parts of carboxymethyl cellulose, aluminum oxide 2-5 parts, silicon dioxide microsphere 12-14 parts, magnesium hydroxide 5-7 parts, DPG fourth
Ether 2-4 parts；The silicon dioxide microsphere particle diameter is 5-8 microns.
5. a kind of building construction guard rail according to claim 4, it is characterized in that：The elastic portion (323) also includes double
Layer graphene powder 3-5 parts.
6. a kind of building construction guard rail according to claim 5, it is characterized in that：Elastic portion is prepared according to following steps：
S1, butadiene rubber, stearic acid, aluminum oxide, silicon dioxide microsphere, magnesium hydroxide, double-layer graphite are weighed according to deal proportioning
Alkene powder, above-mentioned raw materials are sequentially placed into mill and carry out mill, continues 40min, obtains mixture A；
S2, matched according to deal and claim polyvinyl fluoride, dipropylene, be put into banbury and carry out banburying, in 120 DEG C of temperature
Continue 3min down, then mixture A is put into and is sufficiently mixed, continue the banburying 6min at a temperature of 120 DEG C, obtain mixture B；
S3, carboxymethyl cellulose, glass fibre are weighed according to deal proportioning, it is first that carboxymethyl cellulose, glass fibre is fully mixed
Close, be then added in mixture B, by banbury banburying, continue 8min under 120 DEG C of temperature conditionss, obtain prefabrication C；
S4, prefabrication C is extruded by extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712854.6A CN107386787B (en) | 2017-08-18 | 2017-08-18 | A kind of building construction protective fence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710712854.6A CN107386787B (en) | 2017-08-18 | 2017-08-18 | A kind of building construction protective fence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386787A true CN107386787A (en) | 2017-11-24 |
| CN107386787B CN107386787B (en) | 2019-06-28 |
Family
ID=60353158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710712854.6A Active CN107386787B (en) | 2017-08-18 | 2017-08-18 | A kind of building construction protective fence |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006235945A1 (en) * | 2006-11-10 | 2008-05-29 | Samho C&T Pty Ltd | Resilent pilla and road safety device using the same |
| CN201665833U (en) * | 2010-03-16 | 2010-12-08 | 廖祖梁 | Vibration-free roadblock |
| CN202108014U (en) * | 2011-06-09 | 2012-01-11 | 杜卫国 | Road rail capable of recovering after being impacted by force |
| CN205012251U (en) * | 2015-09-11 | 2016-02-03 | 深圳市深安企业有限公司 | Guardrail is kept apart in anticollision in being used for road and bridge and tunnel |
| CN206071221U (en) * | 2016-10-11 | 2017-04-05 | 张海涛 | A kind of power safety warning device |
-
2017
- 2017-08-18 CN CN201710712854.6A patent/CN107386787B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2006235945A1 (en) * | 2006-11-10 | 2008-05-29 | Samho C&T Pty Ltd | Resilent pilla and road safety device using the same |
| CN201665833U (en) * | 2010-03-16 | 2010-12-08 | 廖祖梁 | Vibration-free roadblock |
| CN202108014U (en) * | 2011-06-09 | 2012-01-11 | 杜卫国 | Road rail capable of recovering after being impacted by force |
| CN205012251U (en) * | 2015-09-11 | 2016-02-03 | 深圳市深安企业有限公司 | Guardrail is kept apart in anticollision in being used for road and bridge and tunnel |
| CN206071221U (en) * | 2016-10-11 | 2017-04-05 | 张海涛 | A kind of power safety warning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107386787B (en) | 2019-06-28 |
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Address after: 325000 West first floor, No. 358, Shanglong Road, Fengmen street, Lucheng District, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Wanfeng Construction Engineering Co., Ltd. Address before: 325000 Zhejiang Province, Wenzhou City Road Xiangsheng Jinyuan Kangqiang Huanglong residential area 5-6 building room 211 Patentee before: Wenzhou Wanfeng Construction Engineering Co., Ltd. |
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