CN106012913A - Road traffic guardrail capable of buffering and absorbing impact - Google Patents
Road traffic guardrail capable of buffering and absorbing impact Download PDFInfo
- Publication number
- CN106012913A CN106012913A CN201610384329.1A CN201610384329A CN106012913A CN 106012913 A CN106012913 A CN 106012913A CN 201610384329 A CN201610384329 A CN 201610384329A CN 106012913 A CN106012913 A CN 106012913A
- Authority
- CN
- China
- Prior art keywords
- pipe
- road traffic
- snubber
- column
- clash
- 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
Links
- 230000003139 buffering effect Effects 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 23
- 235000008429 bread Nutrition 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000006798 recombination Effects 0.000 claims description 2
- 238000005215 recombination Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 230000002421 anti-septic effect Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 208000031481 Pathologic Constriction Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000001215 vagina Anatomy 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- E01F15/0415—Metal rails with pivoting members
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a road traffic guardrail capable of buffering and absorbing impact. The road traffic guardrail is characterized by comprising fastening pieces; each fastening piece is provided with two ends and a connecting part used for connecting the two ends, wherein the two ends are used for applying force to an upper horizontal column or a lower horizontal column; power is transmitted to the connecting part from the two ends; and the upper horizontal column or the lower horizontal column is subjected to the force and moves relative to a corresponding round tube stand column, so that the upper horizontal column or the lower horizontal column is fixed to the round tube stand column. The road traffic guardrail capable of buffering and absorbing impact is simple in structure; the fastening pieces are adopted for fixing the upper horizontal column and the lower horizontal column; on the one hand, the fastening pieces are high in strength and guarantee the anti-impact performance of the upper horizontal column and the lower horizontal column, on the other hand, the upper horizontal column and the lower horizontal column can move relative to the round tube stand columns only by applying force to the connecting parts of the fastening pieces in the mounting process, and therefore, fixation is achieved; mounting is convenient and fast, and the labor efficiency is greatly improved; and at the same time, a smaller number of screw rods are used, and the production cost is lowered.
Description
Technical field
The present invention relates to a kind of traffic guardrail, particularly relate to a kind of can protect by the road traffic that clashes into of snubber
Hurdle, can be arranged at road center, roadside, road.
Background technology
Along with economic fast development, automobile is commonly used as the one vehicles easily.In China,
The speed limit of different roads is the most different, and such as, the general speed limit in urban road is 40 kilometer per hours, commonly
The general speed per hour of highway is 40-80 kilometer per hour, and the general speed per hour of highway is 60-120 kilometer per hour,
Therefore the vehicle accident in urban district mostly is rear-end collision, on common road or highway, due to Automobile
Speed is too fast, and frequent accidents occurs, and the automobile run at high speed the most most serious of all bumps against roadside or road
On middle guard rail, and these guard rails by concrete building brick or by spaced concret block and
Connect adjacent block horizontal bar constitute, then or connected and composed with column by the cross bar of steel construction, but,
These guard rails cannot absorb the collision kinetic energy of automobile, and collision rift is by the opposition of guard rail, automobile
Upset or reversion deviate former track, as easy as rolling off a log with the automobile generation secondary collision run at high speed, cause many
Automobile car crash, exacerbates the hazardness of accident.
For above-mentioned vehicle accident, current Chinese invention patent (CN202116999U) discloses between one
Every the traffic guardrail of grounding type band rotary body, including column, the elastic rotary body being sheathed on column, difference
It is arranged at the upper rail above and below elastic rotary body and bottom rail, is set on column and is arranged on down
Rotation supporting between horizontal bar and elastic rotary body, column includes the long column that is arranged alternately and short column,
Long column extends downward bottom rail installation formed below and lands portion, the two ends of short column respectively with upper rail and
Bottom rail is connected；
For another example Chinese invention patent (CN102027173A) discloses a kind of shock-absorbing installation for roadway, arranges
In roadside, road center Xian Huo road, absorb when colliding with vehicle and disperse to impact produced by it, including:
Pillar, in the Central Line of road or roadside, road, buries underground at regular intervals and fixes and in cylinder body shape；Rotate and prop up
Stay tube, built-in by pillar and can rotate；Multiple buffer roll parts, form combined mouth with rotatably
Being arranged at the outer peripheral face rotating a stay tube, inside/outside portion is the drum of one-piece type elastic rubber material, and
High brightness reflective tape is set outside it；Safety rails, is set multiple on buffer roll parts at a certain distance,
In the up/down portion of each pillar, each integral it is horizontally disposed with；First rotates catching sheet, and its central authorities are provided with combination
Hole, and it is arranged at the outer peripheral face up/down end rotating a stay tube being provided with buffer roll parts, at combined hole
An inner peripheral surface part formed second fix groove and its one side formed multiple project upwards radial first highlight
Portion, to fix groove in the one side formation first rotating a stay tube, thus is fixed by the first steady pin；The
Two rotate catching sheet, and its central authorities are provided with above-mentioned combined hole, and are separately positioned on the up/down end of pillar,
So that the second rotation catching sheet is arranged at is separately positioned on the first rotation interception rotating a stay tube up/down end
The bottom of plate, the inner peripheral surface part at combined hole is formed the 4th fixes groove, forms the with the one side at pillar
Three fix groove, thus are fixed by the second steady pin, and its one side formed multiple project upwards put
Penetrate shape the first protuberance, to match with the one side forming the first protuberance in the first rotation catching sheet；
In addition Chinese invention patent (CN202849974U) discloses and a kind of has absorbing impact force rotary body
SA level type rotary anti-collision guardrail, sheathed elasticity on the horizontal bar being connected with column including pipe support, column
Being respectively provided with upper rail and bottom rail above and below rotary body, this elastic rotary body, upper rail at least wraps
Containing in the higher level's horizontal bar being arranged above and below and subordinate's horizontal bar, it is provided with sheathed between elastic rotary body lower end and bottom rail
Rotation supporting on column, rotation supporting is two panels.
Three kinds of above-mentioned guardrail structures are the most complex, in actual use, due to the limit in structure
Making, installation is wasted time and energy, and labor intensity is big, and inefficiency, additionally due to elastic rotary body holds with rotation
Connect the frictional force between flat board relatively big, absorb buffering collision of closed weak effect, i.e. can not absorb shock well, thus
The generation of secondary traffic accident cannot be avoided.
Summary of the invention
In order to overcome the defect of prior art, it is an object of the invention to provide a kind of easy for installation, use safety
Reliably, the road traffic guardrail of good absorption impact force can be played.
A kind of can snubber clash into road traffic guardrail, including pipe column, be sheathed on pipe column
On elastic rotary body, be arranged at the upper rail above elastic rotary body and bottom rail below, be set in
On pipe column and the rotation supporting that is arranged between bottom rail and elastic rotary body, it is characterized in also including
Securing member, described securing member has two ends and for connecting the connecting portion of two ends, two end portion
Not forcing in upper rail or bottom rail, connecting portion power transmission is in two ends so that upper rail or bottom rail stress
Move relative to pipe column, it is achieved upper rail or bottom rail are fixed on pipe column.
The present invention improves further, the first spiral shell that described securing member has a pedestal, an opposite base moves
Stricture of vagina sleeve pipe, mobile or fixed second threaded sleeve of opposite base and respectively with the first threaded sleeve,
Two screw rods that two threaded sleeves coordinate, pedestal is hollow form and at least one end open, and pedestal is built-in with a cone
Gear, it is corresponding with the through hole set on pedestal that bevel gear offers rotating hole along center, and bevel gear passes through centring ring
It is fixed in pedestal；Being provided with tooth bar and stretch in pedestal inside mobile sleeve pipe, bevel gear coordinates with tooth bar, tightly
Firmware is split type, can tightly be entered screw rod by pipe column both sides during use, it is simple to installs and needs.
The present invention improves further, and described securing member is integrated screw-rod structure, and its two ends are provided with each other reversely spiral shell
Stricture of vagina, the middle part of securing member has the stress surface that at least two is relative, and securing member is directly arranged in pipe column,
Two ends are spacing by nut, and spanner stretches in pipe column, clamp the middle part of securing member, can realize after force
Two ends nut tightens up.
The present invention improves further, and described rotation supporting has a fixed part and the portion of being relatively fixed turns
Dynamic rotating part, fixed part is positioned on bottom rail, and rotating part carrying elastic rotary body is placed in above fixed part
And it is freely rotatable around pipe column.
The present invention improves further, and described rotation supporting includes the flange of collet and cover plate, collet, method
Orchid is set on pipe column the most from the bottom to top, and described collet Shang Yan center offers annular groove, described flange
It is corresponding with annular groove that Shang Yan center is equipped with ball, and elastic rotary body is undertaken on the cover plate of flange, reduces elasticity
Frictional force suffered bottom rotary body, elastic rotary body can realize rotating freely.
The present invention improves further, and described rotation supporting includes collet and has the supporting plate of roller, collet
Being set in the most from the bottom to top on pipe column with supporting plate, elastic rotary body is placed on supporting plate, at roller
Drive under can realize being freely rotatable.
The present invention improves further, also includes that U-shaped connects support, and three of U-shaped connection support all offer
Through hole, upper rail, bottom rail all offers through hole corresponding with two longitudinal holes that U-shaped connects support, logical
Cross the first screw rod and wear after U-shaped connects the through hole on two longitudinal holes of support and upper rail or bottom rail solid
Fixed；Offer through hole on pipe column corresponding with the cross through hole that U-shaped connects support, wear circle by securing member
Fix after the cross through hole of tube column through hole and U-shaped connection support.
The present invention improves further, and described collet is annulus, and the external diameter of annulus is more than the diameter of pipe column
Less than the base diameter of elastic rotary body, on annulus, symmetry offers gap, gap and the head of the first screw rod
Portion matches, and annulus is placed steadily, and the head by the first screw rod is spacing, will not be with elastic rotary body
Rotate, it is ensured that the normal rotation of elastic rotary body.
The present invention improves further, is provided with buffering between described U-shaped connection support and upper rail or bottom rail
Pad, after securing member wears, the screw head of its nut or screw rod is respectively positioned on U-shaped and connects in support, cushion pad against
In the screw head of nut or screw rod, on the one hand be effectively prevented from upper rail or bottom rail and securing member nut or
The screw head hard contact of screw rod, on the other hand can play and hit rear horizontal bar buffering effect well.
The present invention improves further, and described cushion pad is by elastomeric material or waterglass material or silica gel material system
Becoming, the size dimension that its size dimension is connected support with described U-shaped matches, thickness and nut or screw rod
Screw head width matches.
The present invention improves further, also includes sleeve pipe, the cross sectional shape of described sleeve pipe and upper rail or bottom rail
Cross sectional shape consistent, the sectional dimension of sleeve pipe is slightly below or slightly larger than the cross section chi of upper rail or bottom rail
Very little, sleeve pipe is fixed on pipe column by securing member, upper rail or bottom rail be socketed on respectively sleeve pipe outer or
In.
The present invention improves further, described upper rail, bottom rail shape and structure consistent, two horizontal bars are face
Assure or rectangular tube or D-shaped pipe or pipe, tube wall offers the first notch, in the first notch, receive formation the
One stress platform, the width of the first notch matches with nut height, the width of the first stress platform and nut
Width match；Corresponding sleeve pipe is bread pipe or rectangular tube or D-shaped pipe or pipe, upper rail or lower horizontal stroke
Hurdle can be socketed in the outside of sleeve pipe.
The present invention improves further, described upper rail, bottom rail shape and structure consistent, two horizontal bars are bread
Pipe or rectangular tube or D-shaped pipe or pipe, tube wall offers the second notch and its width more than nut height；
Corresponding sleeve pipe is bread pipe or rectangular tube or D-shaped pipe or pipe, and tube wall offers the 3rd notch, the 3rd
Receiving in notch and form the 3rd stress platform, the width of the 3rd notch matches with nut height, and the 3rd stress is put down
The width of platform matches with the width of nut, and upper rail or bottom rail can be socketed in the inner side of sleeve pipe.
The present invention improves further, and described pipe column is provided with end cap, and end cap lower end is provided with screw thread, right
Set screw thread in the pipe column answered, after securing member is fixed, end cap screwed on, end cap fixation and
Without welding, desirably prevent water inlet in column, improve antiseptic property.
The present invention improves further, and described pipe column is provided with end cap, and the lower central of end cap is provided with even
Extension bar, the both sides, bottom of connecting rod are provided with barb, and the size of connecting rod is consistent with the size of rotating hole, even
Extension bar is directly inserted in rotating hole, and by barb retention, end cap is possible not only to fixation and without welding,
Desirably prevent water inlet in pipe column, improve antiseptic property, and can with the bevel gear of clinch fastener,
Prevent bevel gear from rotating in the case of the stress of two ends.
The present invention improves further, and described elastic rotary body is integral type or is split type, in described elastic rotation
The along the circumferential direction surface turned is provided with cannelure, bonding reflective tape in groove；Or the table at elastic rotary body
Face is compounded with and the reflector layer of elastic rotary body integrative-structure, is conducive to reminding motor vehicle operators to note road conditions,
Ensure safe driving.
The present invention improves further, and described pipe column includes the long column that is arranged alternately and short column, long vertical
Post is connected with upper rail and bottom rail respectively and extends downward bottom rail installation formed below and lands portion, short
The two ends of column are connected with upper rail and bottom rail respectively.
The present invention improves further, and the installation portion of landing of described long column is connected with base, and base is all provided with
Installing hole so that the anticollision barrier of the present invention may be mounted on mattess.
Compared with prior art, advantage is:
1) simple in construction of the present invention, uses securing member to fix upper rail and bottom rail, on the one hand securing member
Intensity high, it is ensured that upper rail and the shock resistance of bottom rail；When on the other hand installing, it is only necessary to logical
Cross the connecting portion forcing in securing member, it is possible to realize upper rail and move relative to pipe column with bottom rail, from
And fix, quick and easy for installation, substantially increase labor efficiency, decrease the use of screw rod simultaneously, save
Production cost；
2) pipe column of the present invention is provided with end cap, end cap without being welded and fixed, and can be firm Gai Yuan
The upper end of tube column, desirably prevents water inlet in pipe column column, improves securing member and pipe column
Antiseptic property, extends their service life；
3) present invention uses the rotation supporting with location feature, is effectively guaranteed its using effect, when
When automobile impacting is to this elastic rotary body, the impact force of automobile will be effectively absorbed by elastic rotary body and reduce,
It is effectively prevented automobile to cross intermediate line and swarm into track the most in opposite directions and collide or fly out track, keeps vapour
Car is in correct lanes；Meanwhile, under the effect of automobile crash power, during elastic rotary body with column is
The heart rotates, steer motor gradually adjustment direction so that it is be positioned at correct track, it is to avoid with adjacent lane
On automobile or roadside occur again to collide, significantly alleviate the extent of injury of accident, reduce injures and deaths, reduce
Property loss；
4) present invention is possible not only to be arranged at road center, roadside, road, crossroad turning point, tunnel or underground
Track entrance, bridge pier, end of the bridge rail post, be also provided at the gateway of highway, and range is wide, ensures
The life security of people.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is that the present invention can a kind of structural representation of road traffic guardrail of clashing into of snubber；
Fig. 2 is that the present invention a kind of of road traffic guardrail of clashing into of snubber can separate schematic diagram；
Fig. 3 is that the present invention can the another kind of structural representation of road traffic guardrail that clashes into of snubber；
Fig. 4 is that the present invention can separate schematic diagram by the another kind of of road traffic guardrail that clash into of snubber；
Fig. 5 is that the present invention can the another kind of structural representation of road traffic guardrail that clashes into of snubber；
Fig. 6 is that the present invention can the another kind of schematic diagram of road traffic guardrail that clashes into of snubber；
Fig. 7 is that the present invention can a kind of fastener constructions schematic diagram of road traffic guardrail of clashing into of snubber；
Fig. 8 be the present invention can snubber clash into road traffic guardrail the second fastener constructions signal
Figure；
Fig. 9 be the present invention can snubber clash into road traffic guardrail the third fastener constructions signal
Figure；
Figure 10 be the present invention can snubber clash into road traffic guardrail rotate supporting a kind of structure
Schematic diagram；
Figure 11 is that the present invention can the another kind of knot rotating supporting of road traffic guardrail that clashes into of snubber
Structure schematic diagram；
Figure 12 is that the present invention can the connection of end cap and the pipe column of road traffic guardrail clashed into of snubber
Schematic diagram；
Figure 13 is that the present invention can a kind of structural representation of end cap of road traffic guardrail of clashing into of snubber
Figure；
Figure 14 is that the present invention can the structural representation of elastic rotary body of road traffic guardrail clashed into of snubber
Figure；
Figure 15 is that the present invention can the band understructure schematic diagram of road traffic guardrail that clashes into of snubber.
Detailed description of the invention
Firstly, it is necessary to explanation, below will illustrate the present invention by way of example can snubber
Clash into the concrete structure of road traffic guardrail, feature and advantage etc., but all of description be intended merely to into
Row explanation, and should not be construed as the present invention is formed any restriction.Additionally, the most mentioned each
Any single technical characteristic being described by embodiment or imply, or be shown or imply in the drawings
Any single technical characteristic, still can proceed between these technical characteristics (or its equivalent) appoint
Meaning combines or deletes, thus obtains other enforcements more being likely not to have the present invention the most directly mentioned
Example.It addition, for the sake of simplifying drawing, same or like parts and feature in the same figure may be used
Can be only at one or some places indicate.
Incorporated by reference to referring to figs. 1 to Figure 15, below just by the embodiment provided, the present invention can be buffered suction
Receive the road traffic guardrail clashed into illustrative.
As it can be seen, the present invention a kind of can snubber clash into road traffic guardrail, including pipe stand
Post 10, the elastic rotary body 11 being sheathed on pipe column, it is arranged at the upper rail 12 above elastic rotary body
Bottom rail 13 below, it is set on pipe column and is arranged between bottom rail and elastic rotary body
Rotate supporting 14, also include that securing member 16, described securing member 16 have two ends and for connecting two
The connecting portion of individual end, two ends force in upper rail or bottom rail respectively, and connecting portion power transmission is in two ends
Portion so that upper rail 12 or bottom rail 13 stress move relative to pipe column 10, it is achieved by upper rail 12
Or bottom rail 13 is fixed on pipe column 10.
In Fig. 7, Fig. 8, described securing member 16a can be to have a pedestal 161a, an opposite base shifting
The second threaded sleeve 163a that dynamic the first threaded sleeve 162a, opposite base are fixing and respectively with first
Two screw rod 164a that threaded sleeve, the second threaded sleeve coordinate, pedestal is hollow form and at least one end open,
Pedestal is built-in with a bevel gear 165a, and bevel gear offers the through hole set on rotating hole 166a and pedestal along center
Correspondence, bevel gear is fixed in pedestal by centring ring (not marking in figure)；It is provided with tooth inside mobile sleeve pipe
Bar and stretch in pedestal, bevel gear coordinates with tooth bar.
Substitute, described securing member 16b can also is that there is a pedestal 161b, opposite base moves
The second threaded sleeve 163b that first threaded sleeve 162b, opposite base move and respectively with the first screw thread
Two screw rod 164b that sleeve pipe, the second threaded sleeve coordinate, pedestal is hollow form and at least one end open, base
Seat is built-in with a bevel gear 165b, and bevel gear offers the through hole pair set on rotating hole 166b and pedestal along center
Should, bevel gear is fixed in pedestal by centring ring (not marking in figure)；It is provided with tooth bar inside mobile sleeve pipe
And stretching in pedestal, bevel gear coordinates with tooth bar.
Securing member 16a, 16b of two kinds of above-mentioned structures is split type, can be by pipe column 10 during use
Both sides tightly enter screw rod, it is simple to install and need.
As it is shown in figure 9, described securing member 16c can also be integrated screw-rod structure, its two ends are provided with the most anti-
To screw thread 161c, the middle part of securing member has the stress surface 162c that at least two is relative, and securing member directly wears
In pipe column 10, two ends are spacing by nut 163c, and spanner stretches in pipe column, clamps securing member
Middle part, two ends nut can be realized after force and tighten up.
In order to reduce frictional force suffered bottom elastic rotary body 11, elastic rotary body 11 can realize freedom
Rotation, the rotating part that described rotation supporting 14 has a fixed part and portion of being relatively fixed rotates,
Fixed part is positioned on bottom rail 13, and rotating part carrying elastic rotary body 11 is placed in above fixed part and around circle
Tube column 10 is freely rotatable.
As shown in Figure 10, Figure 11, described rotation supporting 14 can use following structure: 1) described rotation
Supporting 14a includes the flange 142a of collet 141a and cover plate 143a, collet, flange successively by down to
On be set on pipe column 10, described collet Shang Yan center offers annular groove, and described flange Shang Yan center is equal
Being provided with ball corresponding with annular groove, elastic rotary body 11 is undertaken on the cover plate 143a of flange: 2) described rotation
Supporting 14b includes collet 141b and have the supporting plate 142b of roller, collet and supporting plate successively by down to
On be set on pipe column 10, elastic rotary body 11 is placed on supporting plate 142b.
From fig. 6 it can be seen that this guardrail also includes that U-shaped connects support 15, U-shaped connects support 15
Three all offer through hole, upper rail 12, bottom rail 13 all offer through hole and is connected support 15 with U-shaped
Two longitudinal holes corresponding, wear U-shaped by the first screw rod 17 and connect two longitudinal holes and the upper rail of support
12 or bottom rail 13 on through hole after fixing；Offer through hole on pipe column 10 and be connected the horizontal stroke of support with U-shaped
Corresponding to through hole, wear pipe column 10 through hole by securing member 16 and U-shaped connects the most logical of support 15
Fix behind hole.
On the basis of said structure, it is circle in conjunction with collet 141a, the 141b described in Fig. 6, Figure 10, Figure 11
Ring, the external diameter of annulus is less than the base diameter of elastic rotary body 11 more than the diameter of pipe column 10, is justifying
On ring, symmetry offers gap 1411a, 1411b, and the head of gap and the first screw rod 17 matches, and annulus is put
Horizontalization is steady, and the head by the first screw rod is spacing, will not rotate with elastic rotary body 11, it is ensured that bullet
Property rotary body normal rotation.
In figure 6, on the one hand in order to be effectively prevented from the spiral shell of upper rail 12 or bottom rail 13 and securing member 16
The screw head hard contact of cap 163c or screw rod 164a, 164b, on the other hand in order to play and hit well after
Horizontal bar buffering effect, is provided with buffering between described U-shaped connection support 15 and upper rail 12 or bottom rail 13
Pad 18, after securing member wears, the screw head of its nut or screw rod is respectively positioned on U-shaped and connects in support 15, buffering
Pad is resisted against in the screw head of nut or screw rod.
Further, described cushion pad 18 is formed by elastomeric material or waterglass material or silica gel material system, its
The size dimension that size dimension is connected support 15 with described U-shaped matches, thickness and nut 163c or screw rod
The screw head width of 164a, 164b matches.
It can be seen that this guardrail also includes sleeve pipe 19, the cross sectional shape of described sleeve pipe 19 from Fig. 1 to Fig. 4
Consistent with the cross sectional shape of upper rail 12 or bottom rail 13, the sectional dimension of sleeve pipe is slightly below or slightly larger than
Upper rail 12 or the sectional dimension of bottom rail 13, sleeve pipe is fixed on pipe column 10 by securing member 16,
It is outer or interior that upper rail 12 or bottom rail 13 are socketed on sleeve pipe 19 respectively.
Therefore, as in figure 2 it is shown, the shape and structure of described upper rail 12a, bottom rail 13a is consistent, two horizontal bars
It is bread pipe or rectangular tube or D-shaped pipe or pipe, tube wall offers first notch 121a, 131a and replaces
Through hole, receives in the first notch and forms the first stress platform 122a, and the width of the first notch is high with nut 163c
Degree matches, and the width of the first stress platform matches with the width of nut 163c；Corresponding sleeve pipe 19a is
Bread pipe or rectangular tube or D-shaped pipe or pipe, upper rail or bottom rail can be socketed in the outside of sleeve pipe.
As shown in Figure 4, it is also possible to be, described upper rail 12b, bottom rail 13b shape and structure consistent, two
Horizontal bar is bread pipe or rectangular tube or D-shaped pipe or pipe, tube wall offers second notch 121b, 131b and
Its width is more than nut 163c height；Corresponding sleeve pipe 19b is bread pipe or rectangular tube or D-shaped pipe or pipe,
Offer the 3rd notch 191b on tube wall, receive in the 3rd notch and form the 3rd stress platform 192b, the 3rd notch
Width highly match with nut 163c, the width of the 3rd stress platform matches with the width of nut 163c,
Upper rail or bottom rail can be socketed in the inner side of sleeve pipe 19b.
Additionally, combine Figure 12, described pipe column 10a is provided with end cap 101a, and end cap lower end is provided with spiral shell
Stricture of vagina, sets screw thread in corresponding pipe column, after being fixed by securing member 16, is screwed on by end cap, and end cap is solid
Fixed firmly and without welding, desirably prevent water inlet in pipe column, improve antiseptic property.
In Fig. 2, Fig. 4, Fig. 6 and Figure 13, under the structure of above-mentioned securing member 16a, 16b, bevel gear
165a, 165b can rotate in the case of the stress of two ends, for the bevel gear of clinch fastener, described
Pipe column 10b be provided with end cap 101b, the lower central of end cap is provided with connecting rod 102b, connecting rod
Both sides, bottom are provided with barb 103b, and the size of connecting rod is consistent with the size of rotating hole 166a, 166b, even
Extension bar is directly inserted in rotating hole, by barb retention.
For the needs manufactured, in Fig. 1 and Figure 14, described elastic rotary body 11 can be integral type or
For split type, it is provided with cannelure on the along the circumferential direction surface of described elastic rotary body 11, bonding reflective in groove
Band 110；Or the surface recombination at elastic rotary body has and the reflector layer of elastic rotary body integrative-structure, favorably
Road conditions are noted, it is ensured that safe driving in reminding motor vehicle operators.
As shown in Fig. 1 and Figure 15, under the requirement meeting intensity, described pipe column 10 can alternately set
The long column 100a put and short column 100b, long column be connected with upper rail 12 and bottom rail 13 respectively and
Extend downward bottom rail installation formed below and land portion, the two ends of short column respectively with upper rail 12 and lower horizontal stroke
Hurdle 13 is connected.
In order to strengthen the suitability of guardrail of the present invention, the installation portion of landing of described long column 100a is connected with the end
Seat 20, base is all provided with installing hole so that the anticollision barrier of the present invention may be mounted on mattess,
Fot screw can also be arranged in installing hole to be embedded in concrete.
Below elaborate the most by way of example the present invention can snubber clash into road traffic protect
Hurdle, these a few examples are intended for illustrating that the principle of the present invention and embodiment thereof are used, rather than limitation of the present invention,
Without departing from the spirit and scope of the present invention, those skilled in the art can also make various deformation
And improvement.Therefore, the technical scheme of all equivalents all should belong to scope of the invention and be the every of the present invention
Claim is limited.
Claims (18)
1. can snubber clash into a road traffic guardrail, including pipe column (10), be sheathed on
Elastic rotary body (11) on pipe column, be arranged at the upper rail (12) above elastic rotary body and its
Lower section bottom rail (13), be set on pipe column and be arranged between bottom rail and elastic rotary body
Rotating supporting (14), it is characterised in that also include securing member (16), described securing member (16) has
Having two ends and for connecting the connecting portion of two ends, two ends force in upper rail or lower horizontal stroke respectively
Hurdle, connecting portion power transmission is in two ends so that upper rail (12) or bottom rail (13) stress are relative to pipe
Column (10) is mobile, it is achieved upper rail (12) or bottom rail (13) are fixed on pipe column (10)
On.
The most according to claim 1 can snubber clash into road traffic guardrail, it is characterised in that
Described securing member (16a, 16b) has a pedestal (161a, 161b), opposite base moves first
Threaded sleeve (162a, 162b), mobile or fixed second threaded sleeve of an opposite base (163a, 163b)
And two screw rods (164a, 164b) coordinated with the first threaded sleeve, the second threaded sleeve respectively, pedestal
In hollow form and at least one end open, pedestal is built-in with a bevel gear (165a, 165b), bevel gear along in
It is corresponding with the through hole set on pedestal that the heart offers rotating hole (166a, 166b), and bevel gear is solid by centring ring
It is scheduled in pedestal；Being provided with tooth bar and stretch in pedestal inside mobile sleeve pipe, bevel gear coordinates with tooth bar.
The most according to claim 1 can snubber clash into road traffic guardrail, it is characterised in that
Described securing member (16c) can also be integrated screw-rod structure, and its two ends are provided with reverse thread (161c) each other,
The middle part of securing member has the relative stress surface of at least two (162c), and securing member is directly arranged in pipe and stands
In post (10), two ends are spacing by nut (163c).
4. according to described in claim 1 or 2 or 3 can snubber clash into road traffic guardrail, its
Being characterised by, described rotation supporting (14) has a fixed part and the rotation of the portion's of being relatively fixed rotation
Transfer part, fixed part is positioned on bottom rail (13), and rotating part carrying elastic rotary body is placed in above fixed part
And it is freely rotatable around pipe column (10).
The most according to claim 4 can snubber clash into road traffic guardrail, it is characterised in that
Described rotation supporting (14a) includes the flange (142a) of collet (141a) and cover plate (143a),
Collet, flange are set on pipe column (10) the most from the bottom to top, and described collet Shang Yan center offers
Annular groove, it is corresponding with annular groove that described flange Shang Yan center is equipped with ball, and elastic rotary body (11) is undertaken on method
On blue cover plate (143a).
The most according to claim 4 can snubber clash into road traffic guardrail, it is characterised in that
Described rotation supporting (14b) includes collet (141b) and has the supporting plate (142b) of roller, collet
Being set in the most from the bottom to top on pipe column (10) with supporting plate, elastic rotary body (11) is placed in support
On plate (142b).
7. according to described in claim 1 or 2 or 3 can snubber clash into road traffic guardrail, its
Being characterised by, also including that U-shaped connects support (15), three of U-shaped connection support (15) all offer
Through hole, upper rail (12), bottom rail (13) all offers through hole and is connected support (15) with U-shaped
Two longitudinal holes are corresponding, wear U-shaped by the first screw rod (17) and connect two longitudinal holes of support and upper horizontal stroke
Fix after through hole on hurdle (12) or bottom rail (13)；Pipe column offers through hole and U-shaped on (10)
The cross through hole connecting support is corresponding, wears pipe column (10) through hole and U-shaped by securing member (16)
Fix after connecting the cross through hole of support (15).
8. according to described in claim 5 or 6 can snubber clash into road traffic guardrail, its feature
Being, described collet (141a, 141b) is annulus, and the external diameter of annulus is more than pipe column (10)
Diameter is less than the base diameter of elastic rotary body (11), and on annulus, symmetry offers gap (1411a, 1411b),
The head of gap and the first screw rod (17) matches.
The most according to claim 7 can snubber clash into road traffic guardrail, it is characterised in that
It is provided with cushion pad (18) between described U-shaped connection support (15) and upper rail (12) or bottom rail (13),
After securing member (16) wears, the screw head of its nut (163c) or screw rod (164a, 164b) is respectively positioned on U
Shape connects in support (15), and cushion pad is resisted against in the screw head of nut or screw rod.
The most according to claim 9 can snubber clash into road traffic guardrail, its feature exists
In, described cushion pad (18) is formed by elastomeric material or waterglass material or silica gel material system, its size chi
Very little and described U-shaped is connected the size dimension of support (15) and matches, thickness and nut (163c) or screw rod
The screw head width of (164a, 164b) matches.
11. according to described in claim 1 or 2 or 3 can snubber clash into road traffic guardrail,
It is characterized in that, also include sleeve pipe (19), the cross sectional shape of described sleeve pipe (19) and upper rail (12)
Or the cross sectional shape of bottom rail (13) is consistent, the sectional dimension of sleeve pipe is slightly below or slightly larger than upper rail (12)
Or the sectional dimension of bottom rail (13), sleeve pipe is fixed on pipe column (10) by securing member (16),
Upper rail (12) or bottom rail (13) are socketed on sleeve pipe (19) outward or interior respectively.
12. according to claim 11 can snubber clash into road traffic guardrail, its feature exists
Consistent in the shape and structure of, described upper rail (12a), bottom rail (13a), two horizontal bars be bread pipe or
Rectangular tube or D-shaped pipe or pipe, tube wall offers the first notch (121a, 131a) and substituted for through hole,
Receiving in first notch and form the first stress platform (122a), the width of the first notch is with nut (163c) highly
Matching, the width of the first stress platform matches with the width of nut (163c)；Corresponding sleeve pipe (19a)
The outside of sleeve pipe (19a) it is socketed in for bread pipe or rectangular tube or D-shaped pipe or pipe, upper rail or bottom rail.
13. according to claim 11 can snubber clash into road traffic guardrail, its feature exists
Consistent in the shape and structure of, described upper rail (12b), bottom rail (13b), two horizontal bars be bread pipe or
Rectangular tube or D-shaped pipe or pipe, tube wall offers the second notch (121b, 131b) and its width is more than
Nut (163c) is highly；Corresponding sleeve pipe (19b) is bread pipe or rectangular tube or D-shaped pipe or pipe, pipe
Offer the 3rd notch (191b) on wall, receive in the 3rd notch and form the 3rd stress platform (192b), the
The width of three notches highly matches with nut (163c), the width of the 3rd stress platform and nut (163c)
Width match, upper rail or bottom rail are socketed in the inner side of sleeve pipe (19b).
14. according to described in claim 1 or 2 or 3 can snubber clash into road traffic guardrail,
It is characterized in that, described pipe column (10a) is provided with end cap (101a), and end cap lower end is provided with screw thread,
Screw thread is set in corresponding pipe column (10a).
15. according to claim 2 can snubber clash into road traffic guardrail, its feature exists
In, described pipe column (10b) is provided with end cap (101b), and the lower central of end cap is provided with connecting rod
(102b), the both sides, bottom of connecting rod are provided with barb (103b), the size of connecting rod and rotating hole (166a,
Size 166b) is consistent, and connecting rod is directly inserted in rotating hole, by barb retention.
16. according to described in claim 1 or 2 or 3 can snubber clash into road traffic guardrail,
It is characterized in that, described elastic rotary body (11) is integral type or is split type, at described elastic rotary body
(11) along the circumferential direction surface is provided with cannelure, bonding reflective tape (110) in groove；Or revolve in elasticity
The surface recombination turned has and the reflector layer of elastic rotary body integrative-structure.
17. according to described in claim 1 or 2 or 3 can snubber clash into road traffic guardrail,
It is characterized in that, long column (100a) that described pipe column (10) can be arranged alternately and short column (100b),
Long column is connected with upper rail (12) and bottom rail (13) respectively and extends downward under bottom rail square
Becoming installation to land portion, the two ends of short column are connected with upper rail (12) and bottom rail (13) respectively.
18. according to claim 17 can snubber clash into road traffic guardrail, its feature exists
In, the installation portion of landing of described long column (100a) is connected with base (20), base is all provided with install
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384329.1A CN106012913B (en) | 2016-05-30 | 2016-05-30 | A kind of road traffic guardrail for being capable of snubber shock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384329.1A CN106012913B (en) | 2016-05-30 | 2016-05-30 | A kind of road traffic guardrail for being capable of snubber shock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106012913A true CN106012913A (en) | 2016-10-12 |
| CN106012913B CN106012913B (en) | 2018-02-02 |
Family
ID=57089442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610384329.1A Active CN106012913B (en) | 2016-05-30 | 2016-05-30 | A kind of road traffic guardrail for being capable of snubber shock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106012913B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476218A (en) * | 2017-08-25 | 2017-12-15 | 李全民 | A kind of photovoltaic generation highway isolation buffer anticollision Precast Pier Columns and preparation method thereof |
| CN107604847A (en) * | 2017-09-13 | 2018-01-19 | 沈阳建筑大学 | Anti-collision guard rail for highways |
| CN107815994A (en) * | 2016-12-16 | 2018-03-20 | 钱月珍 | road safety barrier |
| CN107905153A (en) * | 2017-12-28 | 2018-04-13 | 浙江力源新材料有限公司 | Rotate the formula and manufacturing technology of guardrail and application rubber air spring body therein |
| CN109295896A (en) * | 2018-11-27 | 2019-02-01 | 成都工业学院 | Fork road anticollision device, collision-prevention device |
| CN110670512A (en) * | 2019-09-10 | 2020-01-10 | 武汉科技大学 | Shrink rotation type buffer and guardrail |
| CN112843744A (en) * | 2020-12-23 | 2021-05-28 | 芜湖市宝艺游乐科技设备有限公司 | Equipment is experienced in amusement park cycle racing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1256659A3 (en) * | 2001-04-16 | 2005-08-10 | Miguel Rodriguez Montero | An impact absorber roller |
| KR100740552B1 (en) * | 2006-04-12 | 2007-07-18 | (유) 이티산업 | A way protection party for shock absorber |
| CN201459646U (en) * | 2009-06-03 | 2010-05-12 | 浙江飞虹交通设施有限公司 | Traffic guardrail with rotating body absorbing impact force |
| WO2010093122A2 (en) * | 2009-02-10 | 2010-08-19 | 주식회사 금성산업 | Shock-absorbing installation for roadway |
| CN202116999U (en) * | 2010-10-20 | 2012-01-18 | 浙江飞虹交通设施有限公司 | Indirectly grounded traffic guardrail with rotating bodies |
| CN202849974U (en) * | 2012-07-27 | 2013-04-03 | 浙江飞虹交通设施有限公司 | SA level rotating type crash barrier with crash-force-absorbing rotating body |
-
2016
- 2016-05-30 CN CN201610384329.1A patent/CN106012913B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1256659A3 (en) * | 2001-04-16 | 2005-08-10 | Miguel Rodriguez Montero | An impact absorber roller |
| KR100740552B1 (en) * | 2006-04-12 | 2007-07-18 | (유) 이티산업 | A way protection party for shock absorber |
| WO2010093122A2 (en) * | 2009-02-10 | 2010-08-19 | 주식회사 금성산업 | Shock-absorbing installation for roadway |
| CN201459646U (en) * | 2009-06-03 | 2010-05-12 | 浙江飞虹交通设施有限公司 | Traffic guardrail with rotating body absorbing impact force |
| CN202116999U (en) * | 2010-10-20 | 2012-01-18 | 浙江飞虹交通设施有限公司 | Indirectly grounded traffic guardrail with rotating bodies |
| CN202849974U (en) * | 2012-07-27 | 2013-04-03 | 浙江飞虹交通设施有限公司 | SA level rotating type crash barrier with crash-force-absorbing rotating body |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107815994A (en) * | 2016-12-16 | 2018-03-20 | 钱月珍 | road safety barrier |
| CN107815994B (en) * | 2016-12-16 | 2019-12-17 | 广州开发区交通投资集团有限公司 | Road safety guardrail |
| CN107476218A (en) * | 2017-08-25 | 2017-12-15 | 李全民 | A kind of photovoltaic generation highway isolation buffer anticollision Precast Pier Columns and preparation method thereof |
| CN107604847A (en) * | 2017-09-13 | 2018-01-19 | 沈阳建筑大学 | Anti-collision guard rail for highways |
| CN107905153A (en) * | 2017-12-28 | 2018-04-13 | 浙江力源新材料有限公司 | Rotate the formula and manufacturing technology of guardrail and application rubber air spring body therein |
| CN107905153B (en) * | 2017-12-28 | 2023-08-25 | 浙江弘力新材料有限公司 | Formula and manufacturing technology of rotary guardrail and rubber air spring body applied to rotary guardrail |
| CN109295896A (en) * | 2018-11-27 | 2019-02-01 | 成都工业学院 | Fork road anticollision device, collision-prevention device |
| CN110670512A (en) * | 2019-09-10 | 2020-01-10 | 武汉科技大学 | Shrink rotation type buffer and guardrail |
| CN110670512B (en) * | 2019-09-10 | 2021-03-16 | 武汉科技大学 | Shrink rotation type buffer and guardrail |
| CN112843744A (en) * | 2020-12-23 | 2021-05-28 | 芜湖市宝艺游乐科技设备有限公司 | Equipment is experienced in amusement park cycle racing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106012913B (en) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106012913A (en) | Road traffic guardrail capable of buffering and absorbing impact | |
| JP5116056B2 (en) | Road protection fence for shock absorption | |
| CN207452779U (en) | A kind of flexible impact type crash barrier for roads | |
| CN209941558U (en) | Mechanical impact buffering and guiding device suitable for rigid protective fence | |
| CN103015347B (en) | Highway guardrail with good energy absorption capacity | |
| CN206173849U (en) | Guardrail | |
| CN109338947A (en) | A kind of collapse type highway isolation belt guardrail | |
| CN107447704A (en) | One kind is exempted to install Quick Release road guard | |
| CN205662875U (en) | Simple to operate's flexible buffer anticollision road guardrail | |
| CN207727480U (en) | A kind of flexible safety protective guard for highway | |
| KR101727687B1 (en) | Guardrail produced by injection molding of the shock absorbing roller | |
| CN213448097U (en) | Bridge anticollision railing | |
| CN205711870U (en) | A kind of flexible buffer anticollision road guard with inward turning locking mechanism | |
| CN205711878U (en) | A kind of have the crashproof road guard forwarding structure | |
| KR102083904B1 (en) | Guardrail with shock absorbing roller | |
| CN203049500U (en) | Expressway guardrail with good anti-collision performance | |
| CN107815993B (en) | V-shaped road traffic safety guardrail | |
| CN205711872U (en) | A kind of crashproof road guard of new type of safe flexible buffer | |
| CN210368765U (en) | Guardrail for road isolation | |
| CN207727474U (en) | A kind of rotation guardrail | |
| CN210049159U (en) | Rotary cylinder and rotary type buffering guardrail | |
| CN215948007U (en) | Highway protective fence | |
| CN109338948A (en) | A kind of collapse type highway edge guardrail | |
| CN205662878U (en) | Improved generation rotation type anticollision road guardrail | |
| CN209482210U (en) | A kind of collapse type highway isolation belt guardrail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Road traffic guardrail capable of buffering and absorbing impact Effective date of registration: 20211229 Granted publication date: 20180202 Pledgee: Ma'anshan branch of Bank of China Ltd. Pledgor: ANHUI MINGXIN METAL PRODUCTS Co.,Ltd. Registration number: Y2021980016686 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230308 Granted publication date: 20180202 Pledgee: Ma'anshan branch of Bank of China Ltd. Pledgor: ANHUI MINGXIN METAL PRODUCTS Co.,Ltd. Registration number: Y2021980016686 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A road traffic barrier that can buffer and absorb impacts Effective date of registration: 20230419 Granted publication date: 20180202 Pledgee: Agricultural Bank of China Limited Ma'anshan Huashan District Branch Pledgor: ANHUI MINGXIN METAL PRODUCTS Co.,Ltd. Registration number: Y2023980038498 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180202 Pledgee: Agricultural Bank of China Limited Ma'anshan Huashan District Branch Pledgor: ANHUI MINGXIN METAL PRODUCTS Co.,Ltd. Registration number: Y2023980038498 |