CN104594251A - Road protection device - Google Patents

Road protection device Download PDF

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Publication number
CN104594251A
CN104594251A CN201410766646.0A CN201410766646A CN104594251A CN 104594251 A CN104594251 A CN 104594251A CN 201410766646 A CN201410766646 A CN 201410766646A CN 104594251 A CN104594251 A CN 104594251A
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CN
China
Prior art keywords
rolling
hole
swinging axle
column
roller bearing
Prior art date
Application number
CN201410766646.0A
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Chinese (zh)
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CN104594251B (en
Inventor
章绿林
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新昌县东宇科研开发有限公司
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Priority to CN201410766646.0A priority Critical patent/CN104594251B/en
Publication of CN104594251A publication Critical patent/CN104594251A/en
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Publication of CN104594251B publication Critical patent/CN104594251B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0407Metal rails
    • E01F15/0415Metal rails with pivoting members
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0461Supports, e.g. posts
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety 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
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/04Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0492Provisions for guiding in combination with rails, e.g. tire-gutters

Abstract

The invention provides a road protection device, and belongs to the field of road protection devices. The road protection device comprises a plurality of anti-collision units and energy releasing connection mechanisms arranged between every two anti-collision units. Each anti-collision unit comprises a guard bar base, a rolling guide assembly and a supporting mounting mechanism. The side portions of the guard bar bases are provided with mounting cavities. The rolling guide assemblies comprise rolling shafts and rolling pieces arranged on the rolling shafts in a sleeving mode. The rolling shafts are vertically mounted in the mounting cavities. The supporting mounting mechanisms comprise fixing sleeve piers and swing shafts. The fixing sleeve piers are fixed below the ground through cement pouring. The middles of the guar bar bases are provided with vertically through mounting holes. The swing shafts penetrate through the mounting holes so that the bottoms of the swing shafts can be inserted into axial counter bores in the fixing sleeve piers, and the outer circumferential faces of the swing shafts are sleeved with soft sleeves. The energy releasing connection mechanisms comprise connection assemblies and energy releasing assemblies arranged on the connection assemblies, and the two ends of each connection assembly are connected with every two adjacent guard bar bases respectively. By means of the road protection device, the problems that existing guard bars are poor in anti-collision effect, singular in function and inconvenient to maintain are solved.

Description

Road prevention device

Technical field

The invention belongs to road prevention device field, especially relevant with a kind of road prevention device.

Background technology

Highway guard rail conventional at present presses energy-absorbing mode difference, flexible safety fence can be divided into, semi-rigidity rail and stiff safety fence three major types, Cable Barrier, corrugated beam barrier and concrete guardrail are the canonical forms of this three class, it is fewer and feweri that Cable Barrier uses on highway, crashworthiness is poor, corrugated beam barrier has certain rigidity and toughness, by utilizing soil matrix, column, the distortion of crossbeam absorbs collision energy, and force errant vehicle to change direction, but current semirigid corrugated beam barrier does not often possess enough intensity to resist the collision of vehicle, collision energy exceeds the maximum absorbance capacity of corrugated beam barrier, the failure of easy generation interception car or waveform section crossbeam insert in car, meanwhile, at night-time hours, corrugated beam barrier is not easily identified, and does not possess good visually oriented property, concrete guardrail is a kind of cement concrete wall type structure with certain section configuration, rely on vehicle front to climb in collision process or turn to absorb collision energy, the cross sectional shape of concrete guardrail and physical dimension directly affect collision action effect, and above-mentioned several highway guard rails are all generally be fixedly mounted in the middle of road or both sides, make function path single, maintenance is inconvenient.

Summary of the invention

Object of the present invention is intended to overcome existing road protective guard and there is above-mentioned defect, provides the road prevention device that a kind of anti-collision effect is good, can play guide effect, easy maintenance and installation.

For this reason, the present invention is by the following technical solutions: road prevention device, it is characterized in that, described road prevention device comprises the Shi Neng bindiny mechanism between several anti-collision units and every two described anti-collision units, each anti-collision unit comprises Guard fence base, rolling guidance set and support installing mechanism, the sidepiece of Guard fence base is provided with installation cavity, rolling guidance set comprises rolling member and roller bearing, roller bearing is vertically installed in the installation cavity of described Guard fence base, rolling member is set in this roller bearing, rolling member can be rotated centered by roller bearing and the partial outer face of rolling member towards road-center, described support installing mechanism comprises fixed cover pier and swinging axle, fixed cover pier is fixed on underground by cement casting, make the end face of fixed cover pier equal with ground, fixed cover pier end face is provided with axial counterbore, the middle part of described Guard fence base is provided with up/down perforation and the installing hole corresponding with described axial counterbore, described swinging axle makes to be plugged in bottom it in described axial counterbore through described installing hole, make Guard fence base can rotation centered by described swinging axle, the periphery of described swinging axle is set with a soft sleeve, cushioning effect can be played, described Shi Neng bindiny mechanism comprise coupling assembling and be arranged on coupling assembling release can assembly, the two ends of coupling assembling connect the adjacent one end of described two adjacent Guard fence bases respectively, when Guard fence base is subject to vehicular impact power, the firmness of the relative anti-collision unit of the degree of being connected firmly due to coupling assembling place is more weak, therefore first there is fracture or damaged in coupling assembling under the effect of impact force, but release can effective slowly-releasing impact force under the effect of assembly, reduce the loss of vehicle.

Described Guard fence base comprises bearing and the frame set of reinforced concrete structure, bearing is by lower installation board, upper mounting plate and supporting block composition, fixed installation is supported by described supporting block in the middle of upper mounting plate and lower installation board, described frame set to be installed between described upper mounting plate and lower installation board and to be positioned at supporting block side, keep at a certain distance away in the inner chamber of described frame set the roller bearing be vertically provided with described in several, roller bearing two ends are connected with described frame set top and bottom, each roller bearing is all set with the rolling member described in, when vehicle bumps against on rolling member, rolling member is stressed to roll, certain guide effect can be played to vehicle and can decompose the impact force of a part of vehicle to guardrail simultaneously, thus reduction impulsive contact force, the middle part of described upper mounting plate, supporting block and lower installation board is provided with the coaxial installing hole described in through hole composition, described swinging axle bottom is through described installing hole and be plugged in the axial counterbore of described fixed cover pier, makes bearing can rotation centered by this swinging axle, described upper mounting plate and lower installation board two ends are separately respectively arranged with connecting hole, described coupling assembling comprises the left inserting column and right inserting column that arrange in pairs, the bottom of left inserting column and right inserting column is plugged on the connecting hole of described adjacent two bearings respectively, the top of left inserting column and right inserting column is respectively arranged with left contiguous block and right contiguous block, left contiguous block and right contiguous block are respectively arranged with projection corresponding up and down towards relative direction, projection on left contiguous block is provided with horizontal long slot bore, projection on described right contiguous block is provided with connecting pin, connecting pin is plugged in described long slot bore, described release can multiple the releasing that comprise from superposing setting on lower successively of assembly can plate, every block is released and the two ends of plate can be respectively arranged with that release can through hole, described left inserting column and right inserting column are plugged in that described every block releases respectively can releasing of two ends can through hole on plate, every block is released two pitchs of holes releasing energy through hole on energy plate and is increased successively from top to bottom, when Guard fence base runs into vehicle impact power, Guard fence base is rotation centered by swinging axle, because the Shi Neng bindiny mechanism place's firmness between two Guard fence bases is more weak, under the effect of impact force, release and can rupture successively from top to bottom by plate, reach and release and can act on.

The lower installation board of described bearing is provided with multiple front and back through hole kept at a certain distance away, when road is used for strategic runway, can plug-in mounting one wheel shaft on the through hole of front and back, wheel shaft two ends are by suit shifting roller, removed by anti-collision unit, convenient strategy uses, and realizes dual-use function.

The end face of described each upper mounting plate is provided with groove, may be used for planting plants, plays beautification function; The bottom of described each lower installation board is provided with front and back groove, can draining in time, prevents rainwater from overstocking.

Described Guard fence base comprises the bearing of steel tubular structure, bearing is a rectangular steel pipe framework vertically arranged, the inner chamber of steel framework is as installation cavity, for installing rolling guidance set, the middle part of described steel framework is vertically provided with a support column, support column is provided with central through hole, support column two ends are fixedly connected with respectively with in the middle part of push rod with in the middle part of bottom bar, described swinging axle bottom is passed the central through hole of support column and is plugged in described axial counterbore, make steel framework can rotation centered by this swinging axle, the periphery of swinging axle is set with a soft sleeve, play cushioning effect, keep at a certain distance away in the steel framework installation cavity of described support column both sides roller bearing side by side that be provided with described in several, the push rod of roller bearing two ends and described steel framework and bottom bar, each roller bearing is all set with the rolling member described in, rolling member is subject to impact force and rolls, certain guide effect can be played to vehicle and can decompose the impact force of a part of vehicle to guardrail simultaneously, reduce impulsive contact force, described bindiny mechanism comprises a connection box and connecting ring, connection box is vertically arranged between described adjacent two steel frameworks, the upper and lower of each side of connection box is connected with steel framework respectively by described connecting ring, described connection box upper and lower is all provided with one and releases energy assembly, each release can assembly comprise release can support and being arranged at release can some of support two ends release can pin, every root is released and the periphery of pin can be provided with groove, connecting ring described in each is set in releasing of side corresponding to it simultaneously can pin, can rupture successively when running into impact force, the progressively energy that produces of slow release impact force, protection anti-collision unit is from the direct destruction of impact force, reduce the loss because traffic accident produces and injured situation.

The bottom bar of described steel framework is provided with multiple splayed supporting leg, described swinging axle both sides are provided with a bracing frame, are played a supporting role to steel framework by supporting leg and bracing frame.

A fixed head is installed with bottom described support column, recline with road ground bottom fixed head, improve the stability of steel framework, fixed head is provided with front and back through hole, when road is used for strategic runway, can plug-in mounting one wheel shaft on the through hole of front and back, wheel shaft two ends are by suit shifting roller, removed by anti-collision unit, convenient strategy uses, and realizes dual-use function.

Three secondary rolling members and secondary roller bearing is provided with, when vehicle direct collision is in described bindiny mechanism, if directly guide effect can be played when impact force is less in the middle part of described connection box.

Described swinging axle top cover is equipped with a upper cover, upper cover and swinging axle top radial direction are fitted with a bearing pin, upper cover and swinging axle top are fixed, a cross through hole is provided with in the middle part of swinging axle, when using strategic runway, swinging axle is pulled up, described bearing pin is plugged on cross through hole, make bottom swinging axle away from described fixing fixed cover pier, facilitate the movement of bearing, then upper cover is mounted cover the axial counterbore top in fixed cover pier, make upper cover top surface equal with road surface, convenient strategy uses, and realizes dual-use function.

Described rolling member is the cylindrical roller of a hollow, can rotate when drum sleeve is loaded on described roller bearing.

The present invention can reach following beneficial effect: 1, rotated on roller bearing by rolling member and play guide effect to vehicle and contribute to decomposing impact force; 2, by each anti-collision unit is arranged to swing type structure, then arrange between two anti-collision units and connect release energy machine structure, effectively can play and release and can act on, avoid beam to sever because rigidly fixing simultaneously, the impact force of vehicle is reduced, alleviates the loss of vehicle and the injured situation of passengers inside the car; 3, each anti-collision unit is become movable installation with floor design, make easy to maintenance, and when highway needs, for each anti-collision unit being removed during strategic runway, to achieve dual-use function.

Accompanying drawing explanation

Fig. 1 is the structural representation of the specific embodiment of the invention one.

Fig. 2 is the described anti-collision unit structural representation in detailed description of the invention one.

Fig. 3 is the structural representation of the described bearing in detailed description of the invention one.

Fig. 4 is the described support installing mechanism schematic diagram in detailed description of the invention one.

Fig. 5 is the Shi Neng bindiny mechanism schematic diagram in detailed description of the invention one.

Fig. 6 is the structural representation of the specific embodiment of the invention two.

Fig. 7 is the described anti-collision unit structural representation in detailed description of the invention two.

Fig. 8 is the enlarged diagram at the I place in Fig. 6.

Detailed description of the invention

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.

Detailed description of the invention one:

As shown in Fig. 1 ~ Fig. 5, the present invention includes the Shi Neng bindiny mechanism between several anti-collision units and every two described anti-collision units, each anti-collision unit comprises Guard fence base, rolling guidance set and support installing mechanism, described Guard fence base comprises bearing and the frame set of reinforced concrete structure, bearing is by lower installation board 1, upper mounting plate 3 and supporting block 10 form, fixed installation is supported by supporting block 10 in the middle of upper mounting plate 3 and lower installation board 1, the end face of each upper mounting plate 3 is provided with groove, may be used for planting plants, play beautification function, the bottom of described each lower installation board is provided with front and back groove, when road beam is installed on both sides of the road, described frame set to be installed between upper mounting plate 3 and lower installation board 1 and to be positioned at supporting block 10 side, when road beam is installed in the middle of road, described frame set to be installed between upper mounting plate 3 and lower installation board 1 and to be positioned at supporting block 10 both sides, the inner chamber of described frame set is as installation cavity, for installing described rolling guidance set, rolling guidance set comprises rolling member and roller bearing, rolling member is rotatingcylindrical drum 7, cylinder 7 is set on roller bearing, multiple roller bearing keeps at a certain distance away and is vertically arranged in the middle of described installation cavity, roller bearing two ends are fixedly connected with bottom with the top of frame set inner chamber respectively, cylinder 7 can be rotated centered by roller bearing and the partial outer face of rolling member towards road-center, when vehicle bumps against on cylinder 7, rolling member is stressed to roll, certain guide effect can be played to vehicle and can decompose the impact force of a part of vehicle to guardrail simultaneously, thus reduction impulsive contact force, described support installing mechanism comprises fixed cover pier 2 and swinging axle 4, fixed cover pier 2 is fixed on underground by cement casting, the end face of fixed cover pier 2 fixed cover pier 2 equal with ground end face is made to be provided with axial counterbore, upper mounting plate 3, the middle part of supporting block 10 and lower installation board 1 is provided with the coaxial installing hole described in through hole composition, installing hole is corresponding with described axial counterbore, swinging axle 4 makes to be plugged in bottom it in described axial counterbore through described installing hole, make Guard fence base can rotation centered by swinging axle 4, the periphery of swinging axle 4 is set with a soft sleeve 12, cushioning effect can be played, described Shi Neng bindiny mechanism comprise coupling assembling and be arranged on coupling assembling release can assembly, described coupling assembling comprises the left inserting column 14 and right inserting column 17 that arrange in pairs, upper mounting plate 3 and the respective two ends of lower installation board 1 are respectively arranged with connecting hole 11, the bottom of left inserting column 14 and right inserting column 17 is plugged on the connecting hole 11 of described adjacent two bearings respectively, the top of left inserting column 14 and right inserting column 17 is respectively arranged with left contiguous block 13 and right contiguous block 20, left contiguous block 13 and right contiguous block 20 are respectively arranged with projection corresponding up and down towards relative direction, projection on left contiguous block 13 is provided with horizontal long slot bore 18, projection on right contiguous block 20 is provided with connecting pin 19, connecting pin 19 is plugged in described horizontal long slot bore 18, described releasing can comprise that release from four that superpose setting on lower successively can plate 16 by assembly, every block is released and can be embedded with metal insert in plate 16, metal insert is provided with breach, indentation, there can be made when being subject to impacting easily to rupture and slowly-releasing impact force, every block is released and the two ends of plate 16 can be respectively arranged with that release can through hole 15, left inserting column 14 and right inserting column 17 are plugged in that described every block releases respectively can releasing of two ends can through hole 15 on plate 16, every block is released two pitchs of holes releasing energy through hole 15 on energy plate 16 and is increased successively from top to bottom, when Guard fence base runs into vehicle impact power, Guard fence base rotation centered by swinging axle 4, because the Shi Neng bindiny mechanism place's firmness between two Guard fence bases is more weak, under the effect of impact force, release and can rupture successively from top to bottom by plate 16, reach and release and can act on, effectively reduce impact force, reduce the loss of vehicle and the damage of road guard, and it is easy to maintenance.The lower installation board 1 of described bearing is provided with multiple front and back through hole 6 kept at a certain distance away, swinging axle 4 top cover is equipped with a upper cover 5, upper cover 5 is fitted with a bearing pin 9 with radial direction on swinging axle 4, upper cover 5 and swinging axle 4 top are fixed, a cross through hole is provided with in the middle part of swinging axle 4, when road is used for strategic runway, swinging axle 4 is pulled up, bearing pin 9 is made to be plugged on cross through hole, make bottom swinging axle 4 away from fixed cover pier 2, then before and after each, through hole 6 can be fitted with a wheel shaft, wheel shaft two ends suit shifting roller, whole road beam is split, Guard fence base is removed, then upper cover 5 is mounted cover the axial counterbore top in fixed cover pier 2, make upper cover 5 end face equal with road surface, convenient strategy uses, realize dual-use function.

Detailed description of the invention two,

As shown in Fig. 6 ~ Fig. 8, the present invention includes the Shi Neng bindiny mechanism between several anti-collision units and every two described anti-collision units, each anti-collision unit comprises Guard fence base, rolling guidance set and support installing mechanism, described Guard fence base comprises the bearing of steel tubular structure, bearing is a rectangular steel pipe framework 21 vertically arranged, the inner chamber of steel framework 21 is as installation cavity, for installing rolling guidance set, the bottom bar of steel framework 21 is provided with multiple splayed supporting leg 24, described swinging axle both sides are provided with a bracing frame 27, bracing frame 27 is arc, and the leg of bracing frame 27 tilts 45 degree, played a supporting role by supporting leg 24 and bracing frame 27 pairs of steel frameworks 21, rolling guidance set comprises rolling member and roller bearing 28, rolling member is columniform cylinder 23, cylinder 23 is set on roller bearing 28, described support installing mechanism comprises fixed cover pier 26 and swinging axle, fixed cover pier 26 is fixed on underground by cement casting, make the end face of fixed cover pier 26 equal with ground, fixed cover pier 26 end face is provided with axial counterbore, the middle part of steel framework 21 is vertically provided with a support column 22, support column 22 is provided with central through hole, support column 22 two ends are fixedly connected with the middle part of bottom bar with push rod respectively, described swinging axle bottom is passed the central through hole of support column 22 and is plugged in described axial counterbore, make steel framework 21 can rotation centered by swinging axle axial line, the periphery of swinging axle is set with a soft sleeve, play cushioning effect, keep at a certain distance away in the installation cavity of support column 22 both sides and multiple rolling guidance set is installed, each rolling guidance set comprises rolling member and roller bearing 28, roller bearing 28 is columniform cylinder 23, cylinder 23 is set on roller bearing 28, roller bearing 28 two ends are fixedly connected with bottom bar with the push rod of steel framework 21, rolling member is subject to impact force and rolls, certain guide effect can be played to vehicle and can decompose the impact force of a part of vehicle to guardrail simultaneously, reduce impulsive contact force, described Shi Neng bindiny mechanism comprise coupling assembling and be arranged on coupling assembling release can assembly, described coupling assembling comprises a connection box 35 and connecting ring 32, connection box 35 is vertically arranged between described adjacent two steel frameworks 21, the upper and lower of each side of connection box 35 is connected with the steel framework 21 of this side respectively by connecting ring 32, connecting ring 32 is that two U-shaped connector docking are formed by connecting, the secondary rolling member 31 of three combinations of mutually rolling and secondary roller bearing is provided with in the middle part of firm connection box 35, when vehicle direct collision is in described bindiny mechanism, if directly guide effect can be played when impact force is less, connection box 35 upper and lower is all provided with one and releases energy assembly, each release can assembly comprise release can support 34 and being arranged at release can three of support 34 two ends release can pin 33, release and can be fixedly installed in connection box 35 upper and lower by support 34, every root is released and the periphery of pin 33 can be provided with groove, each connecting ring 32 is set in releasing of side corresponding to it simultaneously can pin 33, make when running into impact force to release and can rupture successively by pin 33, play and release and can act on, reduce impact force action, multiple secondary rolling guidance set is provided with in the middle part of the inner chamber of connection box 35, each secondary rolling guidance set comprises secondary roller bearing 28 and auxiliary cylinder 23, when this place is subject to impact force, corresponding also can playing is led and cushioning effect.The bottom of rotating shaft is installed with a fixed head 25, roadway base surfaces is posted by bottom fixed head 25, fixed head 25 is provided with front and back through hole, swinging axle top cover is equipped with a upper cover 29, upper cover 29 and swinging axle top radial direction are fitted with a bearing pin 30, upper cover 29 and swinging axle top are fixed, a cross through hole is provided with in the middle part of swinging axle, when road is used for strategic runway, swinging axle is pulled up, bearing pin 30 is made to be plugged on cross through hole, make bottom swinging axle away from fixed cover pier 26, then before and after, through hole can be fitted with a wheel shaft, wheel shaft two ends suit shifting roller, after whole road beam is split from coupling assembling, anti-collision unit is removed successively, then upper cover 29 is mounted cover the axial counterbore top in fixed cover pier 26, make upper cover 29 end face equal with road surface, convenient strategy uses, realize dual-use function.

Claims (10)

1. road prevention device, it is characterized in that: described road prevention device comprises the Shi Neng bindiny mechanism between several anti-collision units and every two described anti-collision units, each anti-collision unit comprises Guard fence base, rolling guidance set and support installing mechanism, the sidepiece of Guard fence base is provided with installation cavity, rolling guidance set comprises rolling member and roller bearing, roller bearing is vertically installed in the installation cavity of described Guard fence base, rolling member is set in this roller bearing, described support installing mechanism comprises fixed cover pier and swinging axle, fixed cover pier is fixed on underground by cement casting, make the end face of fixed cover pier equal with ground, fixed cover pier end face is provided with axial counterbore, the middle part of described Guard fence base is provided with up/down perforation and the installing hole corresponding with described axial counterbore, described swinging axle makes to be plugged in bottom it in described axial counterbore through described installing hole, the periphery of described swinging axle is set with a soft sleeve, described Shi Neng bindiny mechanism comprise coupling assembling and be arranged on coupling assembling release can assembly, the two ends of coupling assembling connect the adjacent one end of described two adjacent Guard fence bases respectively.
2. road prevention device according to claim 1, it is characterized in that: described Guard fence base comprises bearing and the frame set of reinforced concrete structure, bearing is by lower installation board, upper mounting plate and supporting block composition, fixed installation is supported by described supporting block in the middle of upper mounting plate and lower installation board, described frame set to be installed between described upper mounting plate and lower installation board and to be positioned at supporting block side, keep at a certain distance away in the inner chamber of described frame set the roller bearing be vertically provided with described in several, roller bearing two ends are connected with described frame set top and bottom, each roller bearing is all set with the rolling member described in, the middle part of described upper mounting plate, supporting block and lower installation board is provided with the coaxial installing hole described in through hole composition, and described swinging axle bottom is passed described installing hole and is plugged in the axial counterbore of described fixed cover pier, described upper mounting plate and lower installation board two ends are separately respectively arranged with connecting hole, described coupling assembling comprises the left inserting column and right inserting column that arrange in pairs, the bottom of left inserting column and right inserting column is plugged on the connecting hole of described adjacent two bearings respectively, the top of left inserting column and right inserting column is respectively arranged with left contiguous block and right contiguous block, left contiguous block and right contiguous block are respectively arranged with projection corresponding up and down towards relative direction, projection on left contiguous block is provided with horizontal long slot bore, projection on described right contiguous block is provided with connecting pin, connecting pin is plugged in described long slot bore, described release can multiple the releasing that comprise from superposing setting on lower successively of assembly can plate, every block is released and the two ends of plate can be respectively arranged with that release can through hole, described left inserting column and right inserting column are plugged in that described every block releases respectively can releasing of two ends can through hole on plate, every block is released two pitchs of holes releasing energy through hole on energy plate and is increased successively from top to bottom.
3. road prevention device according to claim 2, is characterized in that: the lower installation board of described bearing is provided with multiple front and back through hole kept at a certain distance away.
4. road prevention device according to claim 3, is characterized in that: the end face of described each upper mounting plate is provided with groove, and the bottom of described each lower installation board is provided with front and back groove.
5. road prevention device according to claim 1, it is characterized in that: described Guard fence base comprises the bearing of steel tubular structure, bearing is a rectangular steel pipe framework vertically arranged, the inner chamber of steel framework is as installation cavity, for installing rolling guidance set, the middle part of described steel framework is vertically provided with a support column, support column is provided with central through hole, support column two ends are fixedly connected with respectively with in the middle part of push rod with in the middle part of bottom bar, described swinging axle bottom is passed the central through hole of support column and is plugged in described axial counterbore, keep at a certain distance away in the steel framework installation cavity of described support column both sides roller bearing side by side that be provided with described in several, the push rod of roller bearing two ends and described steel framework and bottom bar, each roller bearing is all set with the rolling member described in, described bindiny mechanism comprises a connection box and connecting ring, connection box is vertically arranged between described adjacent two steel frameworks, the upper and lower of each side of connection box is connected with steel framework respectively by described connecting ring, described connection box upper and lower is all provided with one and releases energy assembly, each release can assembly comprise release can support and being arranged at release can some of support two ends release can pin, every root is released and the periphery of pin can be provided with groove, and the connecting ring described in each is set in releasing of side corresponding to it simultaneously can pin.
6. road prevention device according to claim 5, is characterized in that: the bottom bar of described steel framework is provided with multiple splayed supporting leg, and described swinging axle both sides are provided with a bracing frame.
7. road prevention device according to claim 6, is characterized in that: be installed with a fixed head bottom described support column, reclines bottom fixed head with road ground, fixed head is provided with front and back through hole.
8. road prevention device according to claim 7, is characterized in that: be provided with three secondary rolling members and secondary roller bearing in the middle part of described connection box.
9. the road prevention device according to claim 4 or 8, it is characterized in that: described swinging axle top cover is equipped with a upper cover, upper cover and swinging axle top radial direction are fitted with a bearing pin, upper cover and swinging axle top are fixed, is provided with a cross through hole in the middle part of swinging axle.
10. road prevention device according to claim 9, is characterized in that: described rolling member is the cylindrical roller of a hollow.
CN201410766646.0A 2014-12-13 2014-12-13 Road prevention device CN104594251B (en)

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CN104594251B CN104594251B (en) 2016-11-16

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CN203160157U (en) * 2013-01-16 2013-08-28 周康伟 Railing
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CN204000687U (en) * 2014-08-11 2014-12-10 王慧云 A kind of anti-collision road guardrail
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