CN110004855B - Anticollision barrier for municipal works - Google Patents
Anticollision barrier for municipal works Download PDFInfo
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- CN110004855B CN110004855B CN201910341180.2A CN201910341180A CN110004855B CN 110004855 B CN110004855 B CN 110004855B CN 201910341180 A CN201910341180 A CN 201910341180A CN 110004855 B CN110004855 B CN 110004855B
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- base
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- fixing seat
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0484—Installing; Repairing; Adjusting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention aims to provide an anti-collision guardrail for municipal engineering, which comprises a base, a stand column and a cross beam, wherein the stand column is arranged on the base; the base is including being last fixed part, left branch portion and the right branch portion that the Y font set up, the inboard of left branch portion and right branch portion is provided with respectively and runs through towards both sides and is fixed in the expansion bolts in the pavement layer. Placing the base in an installation pit on a pavement layer, and fixing the left supporting part and the right supporting part with the pavement layers on two sides of the installation pit respectively by using expansion bolts; and a triangular stable structure is formed among the upper fixing part, the left supporting part and the right supporting part, so that the stability of the upright post when the upright post is impacted is enhanced. When one side of anticollision barrier received the striking, left branch portion or right branch portion extrude the inner wall that the installation hole corresponds one side under the effect of impact force, lead to the size in installation hole to change, and left branch portion and right branch portion can take place deformation thereupon under the effect of elastic deformation ability, make and keep closely laminating between base and the installation hole, have strengthened the stability of base.
Description
Technical Field
The invention relates to the technical field of anti-collision guardrails, in particular to an anti-collision guardrail for municipal engineering.
Background
Various public infrastructure construction matched with urban life belongs to the municipal engineering category, such as common urban roads, bridges and subways, and various pipelines closely related to life. In particular, urban roads are more and more crowded along with the increase of vehicles in the years, street guardrails are commonly adopted in cities at present to maintain traffic order, and although the speed of the vehicles affected by speed limit is obviously reduced in the cities, the vehicles still collide against the guardrails due to traffic accidents.
At present, a chinese patent document with application publication number CN109577250A in the prior art discloses a municipal street crash barrier, which comprises a base, a support seat arranged on the base, a pillar and a beam fixed on the support seat, and a crash-proof plate arranged on the beam.
However, the crash barrier used in the city, its base is usually fixed on the ground by adopting expansion bolts, when the crash barrier receives the striking, not only the crash barrier and the upright post are deformed and need to be disassembled for replacement, and the urban road usually adopts asphalt or concrete pavement, the hole for fixing the expansion bolts when the impact force is large is deformed, the expansion bolts are caused to be loosened, the stability and the firmness of the base are caused to be reduced, then the base must be disassembled together, the ground is repaired again when the expansion bolts are replaced, the operation is troublesome, and the time and the labor are consumed.
Disclosure of Invention
The invention aims to provide an anti-collision guardrail for municipal engineering, which has the effect of enhancing the stability of a base, and can reinforce the base for continuous use after the anti-collision guardrail is impacted, so that the maintenance cost is reduced.
The technical purpose of the invention is realized by the following technical scheme:
an anti-collision guardrail for municipal engineering comprises a base with elastic deformation capacity, and a stand column and a cross beam which are arranged on the base; the base comprises an upper fixing part, a left supporting part and a right supporting part which are arranged in an inverted Y shape, the upper fixing part is positioned at the upper end and connected with the upright post, and the left supporting part and the right supporting part are respectively arranged at the lower ends of two sides of the upper fixing part; the left supporting part and the right supporting part respectively face to two sides of a road; the lower ends of the left supporting part and the right supporting part are embedded in mounting pits on the pavement layer; and expansion bolts which penetrate towards two sides and are fixed in the pavement layer are respectively arranged on the inner sides of the left supporting part and the right supporting part.
By adopting the technical scheme, a plurality of mounting pits are dug in the road surface layer along the road direction before the anti-collision guardrail is mounted, the base is placed in the mounting pits, and the left supporting part and the right supporting part are respectively fixed with the road surface layer of the mounting pits facing to the two sides of the road by using expansion bolts; and a triangular stable structure is formed among the upper fixing part, the left supporting part and the right supporting part, so that the stability of the upright post when the upright post is impacted is enhanced. When one side of the anti-collision guardrail is impacted, the left supporting part or the right supporting part extrudes the inner wall of the corresponding side of the mounting pit under the action of impact force, so that the size of the mounting pit is changed, and the left supporting part and the right supporting part deform along with the impact force under the action of elastic deformation capacity, so that the base is tightly attached to the mounting pit, and the stability of the base is enhanced; and because the degree of deformation of the mounting pit is less, the base can be made of spring steel with higher hardness, and the base has better impact resistance buffering capacity besides certain elastic deformation capacity, can bear the larger deformation of the mounting pit, prolongs the service life of the base, and only needs to disassemble and replace the stand column and the cross beam during maintenance.
The invention is further configured to: the lower ends of the left supporting part and the right supporting part both extend downwards into the mounting pit along the vertical direction; the expansion bolts are fixed in the pavement layer along the horizontal direction perpendicular to the left supporting part and the right supporting part.
Through adopting above-mentioned technical scheme, because the atress direction of left branch portion and right branch portion is close the level when receiving the striking, then expansion bolts sets up along the horizontal direction and can effectively reduce its radial power of edge self that receives to reduce expansion bolts and to the extrusion of hole inner wall, avoid expansion bolts to appear becoming flexible.
The invention is further configured to: the device also comprises an L-shaped left fixed seat and an L-shaped right fixed seat; the left fixing seat and the right fixing seat are oppositely arranged in the mounting pit, so that a fixing groove with an upward opening is formed between the left fixing seat and the right fixing seat; the outer walls of the left supporting part and the right supporting part are respectively attached to the inner walls of the left fixing seat and the right fixing seat on the two sides of the fixing groove; and the left fixing seat and the right fixing seat are provided with through holes for the expansion bolts to pass through.
Through adopting above-mentioned technical scheme, arrange left fixing base and right fixing base in the installation hole earlier before the installation base, make the base when the installation not with the inner wall contact in installation hole, but hug closely the inner wall of left fixing base and right fixing base and insert in the fixed slot downwards to reduce frictional resistance, the installation of the base of being convenient for.
The invention is further configured to: an adjusting device for adjusting the distance between the left supporting part and the right supporting part is arranged between the left supporting part and the right supporting part; the adjusting device comprises an adjusting screw rod which is arranged along the direction vertical to the left supporting part and the right supporting part; the middle part of the adjusting screw rod is provided with a rotating block, and two ends of the adjusting screw rod are provided with screw rod threads with opposite spiral directions; and the left supporting part and the right supporting part are respectively provided with a screw rod nut which is in threaded fit with two ends of the adjusting screw rod.
By adopting the technical scheme, when the base is impacted for multiple times, the expansion bolt can be loosened along the axial direction, and at the moment, the mounting pit deforms and expands, so that a gap is formed between the mounting pit and the base; then drive accommodate the lead screw through the turning block and rotate, make the screw-nut at both ends move towards both sides respectively, can promote left branch portion and right branch portion and expand towards both sides to make closely laminating between base and the installation hole, guarantee the steadiness of base.
The invention is further configured to: through holes for the adjusting screw rods to pass through are formed in the left supporting part and the right supporting part along the axial lead of the adjusting screw rods; limiting grooves for limiting the lead screw nuts to rotate along the circumferential direction of the adjusting lead screw are formed in the through holes in the inner walls of the left supporting part and the right supporting part; the screw rod nut can slide relative to the limiting groove along the axial direction of the adjusting screw rod.
By adopting the technical scheme, when the expansion bolt is not loosened, the deformation and expansion of the mounting seat can drive the left supporting part and the right supporting part to move towards two sides, the distance between the screw rod nuts at the two sides is not changed, the screw rod nuts move outwards from the limiting groove, and the mutual influence cannot be caused; when the expansion bolt is loosened, the left supporting part and the right supporting part are not deformed along with the deformation and expansion of the mounting seat, and the adjustment device is reused for manual adjustment.
The invention is further configured to: the rotating block is connected to the adjusting screw rod in a sliding manner along the axial direction of the adjusting screw rod; a locking hole is formed in the rotating block along the radial direction of the adjusting screw rod; the middle part of the adjusting screw rod is provided with a positioning hole matched with the locking hole along the radial direction; and the rotating block is provided with a positioning pin penetrating through the locking hole and the positioning hole.
Through adopting above-mentioned technical scheme, before installing base in the installation hole, install adjusting device earlier: the adjusting screw rod penetrates through one side of the through hole, the screw rod nut, the rotating block and the other screw rod nut are sequentially arranged on the adjusting screw rod between the left supporting part and the right supporting part, and the two screw rod nuts respectively move towards two sides and enter the corresponding limiting grooves by relatively rotating the adjusting screw rod and the screw rod nuts; the rotating block realizes positioning through the positioning pin and the adjusting screw rod.
The invention is further configured to: the expansion bolts on the left supporting part and the right supporting part are arranged in a staggered mode.
Through adopting above-mentioned technical scheme, because expansion bolts need pass left branch portion and left fixing base (right branch portion and right fixing base) and be fixed in the road surface in situ, then need longer length just can implement, consequently stagger left branch portion and right branch portion each other, make both have great activity space in its axial, the installation of being convenient for.
The invention is further configured to: the widths of the left fixed seat and the right fixed seat are larger than those of the left supporting part and the right supporting part; side blocking blocks respectively used for limiting the transverse movement of the left supporting part and the right supporting part are arranged on two sides of the left fixing seat and the right fixing seat; and an operation opening is formed between the side stop blocks on the left fixing seat and the right fixing seat at intervals.
By adopting the technical scheme, the base cannot deviate along the road direction by utilizing the side stop blocks; and an operation space is provided for constructors by utilizing the operation opening, so that the adjusting device or the expansion bolt between the left supporting part and the right supporting part can be conveniently operated.
The invention is further configured to: a filling block is connected in the operation opening in a sliding manner along the vertical direction; and the outer wall of the filling block is provided with a back-off groove.
Through adopting above-mentioned technical scheme, after the base installation finishes, utilize the filling block to carry out the shutoff to the operation mouth, avoid the foreign matter to get into in the cavity between left branch portion and the right branch portion through the operation mouth.
The invention is further configured to: and a deformation groove is formed in the bottom of the upper fixing part between the left supporting part and the right supporting part and is formed along the extending direction of the road.
Through adopting above-mentioned technical scheme, utilize the deformation volume of deformation groove reinforcing left branch portion and right branch portion middle department, avoid appearing the fracture.
In conclusion, the beneficial effects of the invention are as follows:
1. before the anti-collision guardrail is installed, digging a plurality of installation pits on the road surface layer along the road direction, then placing the base in the installation pits, and fixing the left supporting part and the right supporting part with the road surface layer of the installation pits facing to the two sides of the road respectively by using expansion bolts; and a triangular stable structure is formed among the upper fixing part, the left supporting part and the right supporting part, so that the stability of the upright post when the upright post is impacted is enhanced. When one side of the anti-collision guardrail is impacted, the left supporting part or the right supporting part extrudes the inner wall of the corresponding side of the mounting pit under the action of impact force, so that the size of the mounting pit is changed, and the left supporting part and the right supporting part deform along with the impact force under the action of elastic deformation capacity, so that the base is tightly attached to the mounting pit, and the stability of the base is enhanced; the deformation degree of the mounting pit is small, the base can be made of spring steel with high hardness, and the base has certain elastic deformation capacity and good impact resistance buffering capacity, can bear large deformation of the mounting pit, prolongs the service life of the base, and only needs to disassemble and replace the stand column and the cross beam during maintenance;
2. when the base is impacted for multiple times, the expansion bolt can be loosened along the axial direction, and at the moment, the mounting pit deforms and expands, so that a gap is formed between the mounting pit and the base; then drive accommodate the lead screw through the turning block and rotate, make the screw-nut at both ends move towards both sides respectively, can promote left branch portion and right branch portion and expand towards both sides to make closely laminating between base and the installation hole, guarantee the steadiness of base.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the column, the supporting base and the fixing base of the present invention;
FIG. 3 is a schematic view of an exploded structure of the base of the present invention;
fig. 4 is an exploded view of the support base and the adjusting device of the present invention.
Reference numerals: 1. a pavement layer; 11. installing a pit; 111. an operation slot; 2. a base; 21. a fixed seat; 211. fixing grooves; 212. perforating; 213. a side stop block; 214. an operation port; 22. a supporting seat; 221. an upper fixing portion; 222. a left support section; 223. a right support portion; a. a through hole; b. a limiting groove; c. a deformation groove; 3. a column; 31. a cross beam; 32. an anti-collision bar; 4. an expansion bolt; 5. an adjustment device; 51. adjusting the screw rod; 511. positioning holes; 52. a feed screw nut; 53. rotating the block; 531. a locking hole; 54. positioning pins; 6. filling blocks; 61. and (4) a back-off groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses an anti-collision guardrail for municipal engineering, which comprises a plurality of bases 2 arranged at intervals along the road direction, upright posts 3 fixed at the upper ends of the bases 2 through bolts, and a cross beam 31 fixedly connected between two adjacent upright posts 3, as shown in fig. 1; wherein, the two crossbeams 31 are provided with an upper crossbeam and a lower crossbeam, and a plurality of crash bars 32 are fixed between the two crossbeams 31 side by side along the vertical direction.
As shown in fig. 1 and 2, a plurality of corresponding rectangular mounting pits 11 are dug on the pavement layer 1 of the road along the arrangement direction of the crash barriers, and the base 2 includes two fixing seats 21 downwardly disposed in the mounting pits 11 and a supporting seat 22 disposed between the two fixing seats 21. The two fixing seats 21 are both L-shaped and are oppositely arranged in the mounting pit 11, so that a fixing groove 211 with an upward opening is formed between the two fixing seats; the outer wall of the fixing seat 21 and the inner wall of the mounting pit 11 are attached to each other, and the size of the fixing groove 211 is changed with the change of the distance between the two fixing seats 21.
As shown in fig. 3 and 4, the support seat 22 includes an upper fixing portion 221, a left support portion 222 and a right support portion 223 which are arranged in an inverted Y shape, the upper fixing portion 221 is located at the upper end and connected to the upright column 3 through a bolt, and the left support portion 222 and the right support portion 223 are respectively arranged at the lower ends of the two sides of the upper fixing portion 221. The left support portion 222 and the right support portion 223 face two sides of the road, lower ends of the left support portion 222 and the right support portion 223 extend obliquely downwards towards the two sides respectively and then vertically downwards to enter the fixing groove 211, outer walls of the left support portion 222 and the right support portion 223 are attached to inner walls of two sides of the fixing groove 211, and a cavity is formed between the outer walls and the inner walls. The inboard of left support portion 222 and right support portion 223 is provided with respectively and runs through the expansion bolts 4 of fixing base 21 towards both sides, the expansion bolts 4 of both sides stagger each other and set up, and be fixed in pavement layer 1 along the horizontal direction of perpendicular to left support portion 222 and right support portion 223 lower extreme, thereby with left support portion 222, right support portion 223 respectively with the pavement layer 1 of installation hole 11 both sides fixed together, make and go up fixed part 221, constitute triangle-shaped stable structure between left support portion 222 and the right support portion 223, the stability of stand 3 when receiving the striking has been strengthened.
The base 2 is made of spring steel with higher hardness, when one side of the anti-collision guardrail is impacted, the left support part 222 or the right support part 223 extrudes the fixing seat 21 and the mounting pit 11 on the corresponding side under the action of impact force to cause slight deformation and expansion of the mounting pit 11, and the left support part 222 and the right support part 223 deform along with the impact force under the action of elastic deformation capacity, so that the supporting seat 22, the fixing seat 21 and the mounting pit 11 are tightly attached to each other, and the stability of the base 2 is enhanced; and because the degree of deformation of installation hole 11 is less, base 2 can be made by the higher spring steel of hardness, except having certain elastic deformation ability, still has better shock-resistant buffer capacity, can bear the great deformation of installation hole 11, has prolonged base 2's life, only need when the maintenance to dismantle the change can stand 3 and crossbeam 31.
As shown in fig. 4, a deformation groove c extending along the road direction is formed at the bottom of the upper fixing portion 221 between the left support portion 222 and the right support portion 223, and the deformation amount at the middle between the left support portion 222 and the right support portion 223 is enhanced by the deformation groove c, so as to avoid the occurrence of fracture.
As shown in fig. 3 and 4, since the force receiving directions of the left support portion 222 and the right support portion 223 are close to the horizontal direction when the vehicle is impacted, the expansion bolt 4 is arranged along the horizontal direction, so that the force received by the expansion bolt 4 along the radial direction of the expansion bolt can be effectively reduced, the extrusion of the expansion bolt 4 on the inner wall of the hole is reduced, and the hole diameter is prevented from being enlarged. However, if the number of impacts is large or the impact force is large, the expansion bolt 4 still loosens, so that a gap is easily formed between the base 2 and the installation pit 11, and the adjusting device 5 is disposed between the left support portion 222 and the right support portion 223 for adjusting the distance therebetween.
The adjusting device 5 comprises an adjusting screw 51, two screw nuts 52 which are screwed onto the adjusting screw 51. Through holes a for the adjusting screw rod 51 to pass through are arranged on the left support part 222 and the right support part 223 along the horizontal direction; the middle part of the adjusting screw rod 51 is provided with a rotating block 53, the surfaces of the two ends are provided with screw rod threads with opposite spiral directions, and the two screw rod nuts 52 are respectively matched with the screw rod threads at the two ends of the adjusting screw rod 51; hexagonal limiting grooves b for limiting the circumferential rotation of the lead screw nut 52 along the adjusting lead screw 51 are formed in the inner walls of the left support portion 222 and the right support portion 223 at the through holes a. When the expansion bolt 4 is not loosened, the deformation and expansion of the mounting seat can drive the left support part 222 and the right support part 223 to move towards two sides, and the distance between the screw rod nuts 52 at the two sides is not changed, so that the screw rod nuts move outwards from the inside of the limiting groove b, and the mutual influence cannot be caused; when the expansion bolt 4 becomes loose, the left support part 222 and the right support part 223 cannot deform along with the deformation expansion of the mounting seat, the adjusting device 5 is reused to manually adjust, the rotating block 53 drives the adjusting screw 51 to rotate, the screw nuts 52 at the two ends move towards the two sides respectively, the left support part 222 and the right support part 223 are pushed to expand towards the two sides, and therefore the base 2 and the mounting pit 11 are tightly attached to each other, and the stability of the base 2 is guaranteed.
As shown in fig. 4, the turning block 53 is constructed like a nut, and is screw-coupled to the adjustment screw 51 by a screw thread; the rotating block 53 is provided with a locking hole 531 along the radial direction of the adjusting screw rod 51, the middle part of the adjusting screw rod 51 is provided with a positioning hole 511 matched with the locking hole 531 along the radial direction, the relative fixation between the rotating block 53 and the adjusting screw rod 51 is realized by the positioning pin 54 penetrating through the locking hole 531 and the positioning hole 511,
as shown in fig. 2 and 3, the width of the fixing base 21 is greater than the width of the left support portion 222 and the right support portion 223, and the side stoppers 213 for limiting the lateral movement of the left support portion 222 and the right support portion 223 are integrally formed at both sides of the fixing base 21, so that the base 2 does not shift laterally; operation openings 214 are formed between the side stoppers 213 on the two fixing seats 21 at intervals, and operation grooves 111 extending obliquely downwards towards the operation openings 214 are formed on two sides of the opening of the mounting pit 11, so that a constructor can conveniently operate the adjusting device 5 and the expansion bolt 4 between the left supporting part 222 and the right supporting part 223. The operation opening 214 is connected with a filling block 6 in a sliding manner along the vertical direction through a sliding groove, and after the base 2 is installed, the operation opening 214 is blocked by the filling block 6, so that foreign matters are prevented from entering a cavity between the left support part 222 and the right support part 223 through the operation opening 214; and the position of the outer wall of the filling block 6 corresponding to the operation groove 111 is integrally formed with a back-off groove 61, so that the constructor can take out the filling block 6 through the back-off groove 61.
The specific operation steps of this embodiment are as follows:
the two fixed seats 21 are oppositely arranged in the mounting pit 11;
the adjusting device 5 is installed between the left support portion 222 and the right support portion 223: the adjusting screw rod 51 penetrates through one side of the through hole a, the screw rod nut 52, the rotating block 53 and the other screw rod nut 52 are sequentially arranged on the adjusting screw rod 51 between the left supporting part 222 and the right supporting part 223, the two screw rod nuts 52 respectively move towards two sides and enter the corresponding limiting grooves b by relatively rotating the adjusting screw rod 51 and the screw rod nuts 52, and the rotating block 53 is positioned with the adjusting screw rod 51 through the positioning pin 54;
pre-mounting the expansion bolt 4: the expansion bolts 4 are respectively arranged on the left support part 222 and the right support part 223 in a penetrating way, and the end parts of the expansion bolts do not exceed the outer walls of the left support part 222 and the right support part 223;
installation support seat 22: the outer walls of the left support part 222 and the right support part 223 are tightly attached to the inner wall of the fixing groove 211 and are downwards inserted into the fixing groove 211, the expansion bolt 4 is inserted into the pavement layer 1 through the corresponding through hole 212, and the nut of the expansion bolt 4 is rotated for fixing;
inserting the filling block 6;
the upright 3, the cross beam 31 and the crash bar 32 are installed.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. An anti-collision guardrail for municipal engineering comprises a base (2) with elastic deformation capacity, a stand column (3) and a cross beam (31) which are arranged on the base (2); the method is characterized in that: the base (2) comprises an upper fixing part (221), a left supporting part (222) and a right supporting part (223) which are arranged in an inverted Y shape, the upper fixing part (221) is positioned at the upper end and connected with the upright post (3), and the left supporting part (222) and the right supporting part (223) are respectively arranged at the lower ends of the two sides of the upper fixing part (221); the left support part (222) and the right support part (223) face to two sides of a road respectively; the lower ends of the left supporting part (222) and the right supporting part (223) are embedded in an installation pit (11) on the pavement layer (1); expansion bolts (4) which penetrate towards two sides and are fixed in the pavement layer (1) are respectively arranged on the inner sides of the left supporting part (222) and the right supporting part (223); an adjusting device (5) for adjusting the distance between the left support part (222) and the right support part (223) is arranged between the left support part and the right support part; the adjusting device (5) comprises an adjusting screw rod (51) which is arranged along the direction vertical to the left supporting part (222) and the right supporting part (223); a rotating block (53) is arranged in the middle of the adjusting screw rod (51), and screw rod threads with opposite spiral directions are arranged at two ends of the adjusting screw rod; the left supporting part (222) and the right supporting part (223) are respectively provided with a screw rod nut (52) which is in threaded fit with two ends of the adjusting screw rod (51); through holes (a) for the adjusting screw rods (51) to pass through are formed in the left supporting part (222) and the right supporting part (223) along the axial lead of the adjusting screw rods (51); limiting grooves (b) used for limiting the lead screw nut (52) to rotate along the circumferential direction of the adjusting lead screw (51) are formed in the through hole (a) on the inner walls of the left supporting part (222) and the right supporting part (223); the lead screw nut (52) can slide relative to the limiting groove (b) along the axial direction of the adjusting lead screw (51); the rotating block (53) is connected to the adjusting screw rod (51) in a sliding manner along the axial direction of the adjusting screw rod (51); a locking hole (531) is formed in the rotating block (53) along the radial direction of the adjusting screw rod (51); the middle part of the adjusting screw rod (51) is provided with a positioning hole (511) matched with the locking hole (531) along the radial direction; and a positioning pin (54) penetrating through the locking hole (531) and the positioning hole (511) is arranged on the rotating block (53).
2. The crash barrier for municipal engineering according to claim 1, wherein: the lower ends of the left supporting part (222) and the right supporting part (223) both extend downwards into the mounting pit (11) along the vertical direction; the expansion bolts (4) are fixed in the pavement layer (1) along the horizontal direction perpendicular to the left supporting part (222) and the right supporting part (223).
3. The crash barrier for municipal engineering according to claim 1, wherein: the device also comprises an L-shaped left fixed seat and an L-shaped right fixed seat; the left fixing seat and the right fixing seat are oppositely arranged in the mounting pit (11), so that a fixing groove (211) with an upward opening is formed between the left fixing seat and the right fixing seat; the outer walls of the left supporting part (222) and the right supporting part (223) are respectively attached to the inner walls of the left fixing seat and the right fixing seat on the two sides of the fixing groove (211); and the left fixing seat and the right fixing seat are provided with through holes (212) for the expansion bolts (4) to pass through.
4. The crash barrier for municipal engineering according to claim 1, wherein: the expansion bolts (4) on the left support part (222) and the right support part (223) are arranged in a staggered mode.
5. The crash barrier for municipal engineering according to claim 3, wherein: the widths of the left fixed seat and the right fixed seat are larger than that of the left supporting part (222) and the right supporting part (223); side blocking blocks (213) respectively used for limiting the transverse movement of the left supporting part (222) and the right supporting part (223) are arranged on the two sides of the left fixing seat and the right fixing seat; an operation opening (214) is formed between the side stop blocks (213) on the left fixing seat and the right fixing seat at intervals.
6. The crash barrier for municipal engineering according to claim 5, wherein: a filling block (6) is connected in the operation opening (214) in a sliding manner along the vertical direction; and the outer wall of the filling block (6) is provided with a back-off groove (61).
7. The crash barrier for municipal engineering according to claim 1, wherein: a deformation groove (c) is formed in the bottom of the upper fixing portion (221) between the left supporting portion (222) and the right supporting portion (223), and the deformation groove (c) is formed in the extending direction of the road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910341180.2A CN110004855B (en) | 2019-04-25 | 2019-04-25 | Anticollision barrier for municipal works |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341180.2A CN110004855B (en) | 2019-04-25 | 2019-04-25 | Anticollision barrier for municipal works |
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| CN110004855A CN110004855A (en) | 2019-07-12 |
| CN110004855B true CN110004855B (en) | 2020-11-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827030C2 (en) * | 1987-09-10 | 1995-08-10 | Spig Schutzplanken Prod Gmbh | Limitation of the route side |
| DE20211963U1 (en) * | 2002-08-03 | 2003-02-20 | Welita Waerme Elektro Und Lich | Compressible fastener for e.g. crash barriers or personnel guide tubes in supermarkets, comprises screw passed through stopper or spring |
| CN103276679A (en) * | 2013-06-07 | 2013-09-04 | 浙江安吉银龙交通设施厂 | Highway guardrail |
| WO2015033100A1 (en) * | 2013-09-05 | 2015-03-12 | Robert Gerrard | Crash barrier |
| CN205134243U (en) * | 2015-11-30 | 2016-04-06 | 袁媛 | Urban road guardrail |
| CN108166390B (en) * | 2018-02-10 | 2018-11-02 | 平顶山市公路工程公司 | Bridge anticollision barrier |
-
2019
- 2019-04-25 CN CN201910341180.2A patent/CN110004855B/en active Active
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| CN110004855A (en) | 2019-07-12 |
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