CN211340581U

CN211340581U - Road anti-collision device

Info

Publication number: CN211340581U
Application number: CN201921803152.XU
Authority: CN
Inventors: 胡继龙; 罗刚; 唐春梅; 刘絮影
Original assignee: Chongqing Yucai Engineering Consulting And Supervision Co Ltd
Current assignee: Chongqing Yucai Engineering Consulting And Supervision Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-25
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a road buffer stop relates to the anticollision fence, aims at solving the relatively poor problem of current anticollision fence shock-absorbing capacity, and its technical scheme main points are: including a plurality of cables, fixed connection is in the anchor pile and a plurality of anticollision stake at cable both ends, the cable extends and the vertical distribution of a plurality of cables along the length direction of road, the cable is connected in the anticollision stake through a plurality of buffer gear, buffer gear includes the dead lever, buffer tube and buffer spring one and buffer spring two, the dead lever is the level setting and encircles it and the buffer tube in opposite directions tip difference fixedly connected with ring platform one with keep off the ring, the buffer tube is kept away from the tip fixedly connected with installed part of anticollision stake, buffer spring one overcoat is in the both ends of dead lever and buffer spring one butt respectively in ring platform one with keep off the ring, the both ends of buffer spring two butt respectively in ring platform one and installed part, the cable is connected in the installed part. The utility model discloses possess better buffer performance relatively.

Description

Road anti-collision device

Technical Field

The utility model relates to an anticollision barrier, more specifically say, it relates to a road buffer stop.

Background

The anti-collision fences are mainly arranged on the edges of two sides of a road or a bridge and are used for preventing vehicles from rushing out of the road. Therefore, the anti-collision fence can be impacted by a vehicle in running and can be subjected to large impact force in the using process. In the prior art, a rigid protective guard is usually adopted, so that when a vehicle collides with the protective guard, the buffer and force-unloading capacity of the protective guard is relatively poor, and relatively large damage is caused to the vehicle and personnel in the vehicle.

In order to solve the problems, a Chinese patent with the publication number of CN208201726U discloses a novel road and bridge anti-collision wall guardrail, which has the technical key points that: the structure of the anti-collision safety guardrail comprises a guardrail warning lamp, a warning lamp holder, a warning lamp support, an upper safety guardrail, a reflective warning strip, a guardrail support, a force-unloading anti-collision wall, an anti-collision wall support, a guardrail support rod, a lower safety guardrail, a guardrail fixing base and a fixing bolt, wherein the warning lamp support is welded with the upper safety guardrail, the force-unloading anti-collision wall is embedded into the front surface of the anti-collision wall support, the guardrail support rod is welded with the lower safety guardrail, the guardrail fixing base is in threaded connection with the fixing bolt, the force-unloading anti-collision wall comprises a protection force transmission plate, a protection plate fulcrum, a force transmission block, a reset spring, a hydraulic piston rod, a hydraulic cylinder, an oil pipeline and an oil tank, the protection force transmission plate is connected with the protection plate fulcrum, the force transmission block is welded with the reset spring, the hydraulic piston rod is, the oil delivery pipe is connected with the oil tank, and the upper surface of the oil tank is provided with a warning lamp holder.

This scheme has solved current anticollision barrier buffering and has unloaded the relatively poor problem of power ability, simultaneously the utility model provides a new technical scheme solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a road buffer stop, it possesses better buffer performance relatively.

The above technical purpose of the present invention can be achieved by the following technical solutions: a road anti-collision device comprises a plurality of cables arranged above a road shoulder, anchoring piles fixedly connected to two ends of the cables and a plurality of anti-collision piles distributed along the length direction of the cables, wherein the anchoring piles are fixedly connected to the road shoulder, the cables extend along the length direction of a road and the anti-collision piles are fixedly connected to the road shoulder, the cables (1) are vertically distributed, the cables are connected to the anti-collision piles through a plurality of buffer mechanisms distributed along the length direction of the cables, each buffer mechanism comprises a fixed rod fixedly connected to the anti-collision piles, a buffer tube sleeved outside the fixed rod, a first buffer spring and a second buffer spring, the first buffer spring and the second buffer spring are arranged in the buffer tube, the fixed rod is horizontally arranged and surrounds the end parts, opposite to the buffer tube, of the fixed rod and the first buffer tube, a first ring abutment and a second buffer tube are fixedly connected, and the end parts, the first buffer spring is sleeved outside the fixed rod, two ends of the first buffer spring are abutted to the first ring platform and the baffle ring respectively, two ends of the second buffer spring are abutted to the first ring platform and the mounting part respectively, and the cable is connected to the mounting part.

Through adopting above-mentioned technical scheme, when there is vehicle or other heavy objects to strike cable 1 or anticollision stake, the impact force of production can promote the buffer tube and remove towards the anticollision stake, the impact force of production this moment can be absorbed by buffer spring two, simultaneously because the effect of cable can have its buffer tube orientation on with other anticollision stakes to keep away from the direction pulling of anticollision stake, buffer spring absorbs the impact force that the impact position passed through the cable transmission this moment for a moment, in order to reduce the injury of the impact force that personnel in the vehicle received, buffer gear can absorb the impact force along two axial directions of buffer tube in the car, the injury that personnel received when can effectually reducing the vehicle striking.

The utility model discloses further set up to: and the cable is fixedly connected with an anti-collision plate with a corrugated plate structure, the anti-collision plate and the corrugated groove thereof extend along the length direction of the cable, and the cable penetrates through the groove of the anti-collision plate along the length direction of the anti-collision plate.

Through adopting above-mentioned technical scheme, when the cable was strikeed to vehicles etc., the cable passes through the atress area when crashproof board can effectual increase vehicle striking, the damage that the cable caused the vehicle when reducing the striking.

The utility model discloses further set up to: the anticollision stake fixedly connected with is a plurality of fixed plates that are the U form, the one end fixed connection that the installed part was kept away from to the dead lever is located the U of fixed plate form opening in the part of fixed plate and dead lever and buffer tube, the inner wall laminating of fixed plate is in the outer wall of buffer tube.

Through adopting above-mentioned technical scheme, the fixed plate that is the U form can play certain supporting role to the buffer tube to in making the use, buffer gear can be relatively more stable, and the fixed plate can be to its guide effect of deciding of buffer tube simultaneously, makes the result of use better relatively.

The utility model discloses further set up to: the U-shaped opening internal fixation of fixed plate is connected with elastic block, the buffer tube is kept away from the one end butt in the elastic block of installed part, seted up the cushion chamber in the elastic block.

By adopting the technical scheme, when the vehicle and the like impact the anti-collision pile or the cable, the generated impact force enables the buffer tube to move towards the anti-collision pile, the buffer tube and the baffle ring can extrude the elastic block, and the elastic block can contract and assist in absorbing the impact force due to the buffer cavity arranged in the elastic block; when the impact force was too big simultaneously, can make two shrinkage of buffer spring too big for the buffer tube moves towards the closure plate, can be the flexonics through the elastic block between the two, in order to reduce the injury that too big impact force caused.

The utility model discloses further set up to: the cross sections of the first buffer spring and the second buffer spring are rectangular.

Through adopting above-mentioned technical scheme, the cross-section possesses better load capacity for the buffer spring one and the buffer spring two of rectangle for the power that the flexible same volume of buffer spring one and buffer spring two needs is bigger in the use, makes buffer spring one and buffer spring two can absorb more energy, thereby makes buffer gear can absorb bigger impact force, and the result of use is better relatively.

The utility model discloses further set up to: the installing part is provided with a plurality of installing ports distributed along the length direction of the installing part, each installing port is U-shaped, the opening of the U-shaped opening faces one side of the installing part deviating from the anti-collision pile, the installing part penetrates through the installing rod and the installing rod to penetrate through the installing port, the cable is clamped between the U-shaped inner wall of the installing port and the installing rod, and the installing rod is in threaded connection with the installing part.

Through adopting above-mentioned technical scheme, when needs are changed or are installed the cable, only need arrange the cable in the U form opening of installing port, again with installation pole threaded connection in installed part, the cable can be by the centre gripping between the U form opening of installing port and installation pole.

The utility model discloses further set up to: a plurality of connecting pieces that distribute along its length direction of anchor stake fixedly connected with, the connecting piece is including radially passing anchor stake connecting rod, threaded connection and the connector link of the tip of anchor stake is kept away from to the connecting pipe of connecting rod tip and fixed connection in the connecting pipe, the tip threaded connection that the connector link was kept away from to the connecting rod has locking nut one, the cable is provided with a plurality of locking pieces and cable junction that distribute along its length direction and through the locking of locking piece in the connector link.

By adopting the technical scheme, the cable passes through the connecting buckle, the connecting buckle is connected to the connecting rod through the connecting pipe, the cable is locked on the connecting buckle through the locking piece, and the connecting rod enables the cable to be pulled and kept in a tightened state through the first locking nut; meanwhile, when the tightness of the cable is required to be adjusted or the cable is installed, the cable is connected to the connecting buckle, and the locking nut is rotated to enable the connecting rod to axially slide relative to the anchoring pile so as to change the tightness of the cable.

The utility model discloses further set up to: the locking piece is including the hasp that is the U form, wear to locate the locking plate of two vertical portion tip of hasp U form and two locking nut two of threaded connection in two vertical portion tip of hasp U form, the cable passes the U form opening and the connector link of hasp in proper order earlier and then reverse extension and pass the U form opening of hasp again, the cable is by the centre gripping between the U form opening and the locking plate of hasp, locking nut two is located one side that the locking plate deviates from the cable.

By adopting the technical scheme, the cable sequentially passes through the U-shaped opening of the lock catch and the connecting buckle, then reversely extends and passes through the U-shaped opening of the lock catch again, so that the cable is clamped between the U-shaped opening of the lock catch and the locking plate and is locked by the locking nut II; simultaneously a plurality of locking pieces can further lock the cable, reduce the probability that the cable breaks away from in the use, and the cable passes through the locking piece and can dismantle to be connected in the connecting piece for it is relatively more convenient when installation or change cable.

The utility model discloses further set up to: the anti-collision pile is the square pipe that is vertical setting, the bottom fixed connection of the U-shaped of fixed plate is in the vertical outer wall of anti-collision pile.

Through adopting above-mentioned technical scheme, the bending resistance of square pipe is better relatively for when the vehicle striking, can reduce the probability that the anticollision stake is buckled.

To sum up, the utility model discloses following beneficial effect has:

1. when a vehicle or other heavy objects collide with the cable 1 or the anti-collision pile, the generated impact force can push the buffer tube to move towards the anti-collision pile, the generated impact force can be absorbed by the buffer spring II, meanwhile, the buffer tube on the other anti-collision pile can be pulled towards the direction far away from the anti-collision pile due to the action of the cable, and the buffer spring can absorb the impact force transmitted from the collision position through the cable at one time so as to reduce the damage of the impact force received by personnel in the vehicle, so that the buffer mechanism can absorb the impact force in two axial directions along the buffer tube, and the damage of the personnel in the vehicle during the vehicle collision can be effectively reduced;

2. the cable passes through the installation pole to be connected in the installed part, and the cable passes through the locking piece simultaneously and can dismantle to be connected in the connecting piece, and the connecting piece is connected in the anchor connecting piece for it is relatively more convenient when installation or change cable, when the elasticity degree of cable need be adjusted to the needs simultaneously, only need rotate locking nut one and make the relative anchor pile axial of connecting rod slide, with the elasticity state that changes the cable.

Drawings

Fig. 1 is a schematic view of the installation structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of a part of the structure of the present invention, which is mainly used for showing the structure of the buffer mechanism;

FIG. 4 is a cross-sectional view of the elastomeric block, primarily intended to show the structure of the cushion chamber;

FIG. 5 is an enlarged view of portion A of FIG. 2, showing the structure of the link and latch member;

fig. 6 is an enlarged view of a portion B of fig. 2, which is mainly used for showing a relative position relationship of the second locking nut.

In the figure: 1. a cable; 11. an anti-collision plate; 12. a cable locking portion; 2. anchoring piles; 21. a mounting member; 211. an installation port; 212. mounting a rod; 213. mounting a nut; 22. a connecting member; 221. a connecting rod; 222. a connecting pipe; 223. a connecting buckle; 224. locking the first nut; 225. a gasket; 23. a reinforcing bar; 3. anti-collision piles; 31. a fixing plate; 311. an elastic block; 312. a buffer chamber; 313. a blocking plate; 4. a buffer mechanism; 41. fixing the rod; 411. a first ring platform; 42. a buffer tube; 421. a baffle ring; 43. a first buffer spring; 44. a second buffer spring; 5. a locking member; 51. locking; 52. a lock plate; 53. and locking the second nut.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A road anti-collision device, referring to fig. 1 and 2, comprises a cable 1, anchoring piles 2 fixedly connected to both ends of the cable 1, and a plurality of anti-collision piles 3 distributed along the length direction of the cable 1. Anchor pile 2 and crashproof stake 3 all are vertical setting, the equal fixed connection of lower extreme in road shoulder of anchor pile 2 and crashproof stake 3, and cable 1 is on a parallel with road shoulder and a plurality of cable 1 is vertical distribution.

The lower parts of the two anchor piles 2 are fixedly connected with reinforcing rods 23 which extend obliquely downwards respectively, the two reinforcing rods 23 extend obliquely in opposite directions respectively, and the end parts, far away from the anchor piles 2, of the reinforcing rods 23 are fixedly connected to road shoulders.

The multiple cables 1 are fixedly connected with the anti-collision plate 11 with a corrugated plate-shaped structure, the anti-collision plate 11 and the corrugated groove thereof extend along the length direction of the cables 1, the cables 1 penetrate through the corrugated groove of the anti-collision plate 11 along the length direction of the anti-collision plate 11, and the anti-collision plate 11 is positioned on one side of the cables 1, which is far away from the anti-collision pile 3. The fender 11 is located between two adjacent crash piles 3.

Referring to fig. 2 and 3, the cable 1 is connected to the anti-collision pile 3 through two buffer mechanisms 4 distributed along the length direction of the cable, and the two buffer mechanisms 4 are respectively positioned at two sides of the anti-collision pile 3 along the length direction of the cable 1. Wherein the anticollision stake 3 is square pipe, and square pipe can select square pipe or steel construction side's pipe for the steel beam column, and the upper end of anticollision stake 3 is enclosed construction.

The buffer mechanism 4 comprises a fixing rod 41 fixedly connected to the crash pile 3, a buffer tube 42 sleeved on the fixing rod 41, and a first buffer spring 43 and a second buffer spring 44 arranged in the buffer tube 42. The fixing rod 41 is perpendicular to the crash pile 3 and one end of the fixing rod 41 remote from the crash pile 3 extends in a direction toward the middle of the road. Buffer tube 42 is located the position that dead lever 41 kept away from crashproof stake 3 and the part of dead lever 41 is inserted and is located in buffer tube 42, and buffer tube 42 keeps away from crashproof stake 3's tip fixedly connected with vertical setting's installed part 21, and cable 1 fixed connection is in installed part 21 and cable 1 is located one side that installed part 21 deviates from buffer tube 42.

Referring to fig. 2 and 3, opposite ends of the buffer tube 42 and the fixing rod 41 are fixedly connected with a retaining ring 421 and a first ring platform 411, respectively, wherein an inner ring of the retaining ring 421 is adapted to the fixing rod 41, the fixing rod 41 penetrates through the inner ring of the retaining ring 421, and an outer ring of the first ring platform 411 is adapted to an inner wall of the buffer tube 42.

The first buffer spring 43 is sleeved on the fixing rod 41, and two ends of the first buffer spring 43 respectively abut against the wall surfaces of the opposite sides of the first ring stand 411 and the retaining ring 421. Two ends of the second buffer spring 44 abut against one side of the first ring platform 411 departing from the first buffer spring 43 and the mounting part 21 respectively. The fixing rod 41, the buffer tube 42, the first buffer spring 43 and the second buffer spring 44 are coaxial, the cross sections of the first buffer spring 43 and the second buffer spring 44 are rectangular, and the two springs are heavy-load springs.

Referring to fig. 2 and 3, the mounting part 21 is a tubular structure with a semi-elliptical radial cross section, the end part of the buffer tube 42 far away from the crash pile 3 is fixedly connected to the flat plate surface of the mounting part 21, the mounting part 21 is provided with a plurality of mounting openings 211 distributed along the length direction of the mounting part, each mounting opening 211 is U-shaped, the opening of each mounting opening faces to one side of the mounting part 21 far away from the crash pile 3, and the mounting part 21 is internally threaded with a mounting rod 212 penetrating through the mounting rod along the length direction of the mounting part. The mounting rod 212 and the cable 1 both pass through the mounting opening 211, wherein the cable 1 is clamped between the mounting opening 211 and the mounting rod 212 in a U shape, the upper end of the mounting member 21 is of a closed structure, and the upper end of the mounting rod 212 is fixedly connected with a mounting nut 213.

In the use process, when a vehicle or other heavy objects impact the cable 1 or the mounting part 21, the generated impact force can push the mounting part 21 and the buffer pipe 42 to move towards the crash pile 3, and the generated impact force can be absorbed by the second buffer spring 44; meanwhile, due to the action of the cable 1, the buffer tubes 42 and the mounting pieces 21 on other crash piles 3 are pulled towards the direction far away from the crash piles 3, and at the moment, the buffer springs 43 absorb the impact force transmitted from the impact positions through the cable 1, so that the injury of the impact force received by people in the vehicle is reduced. Meanwhile, when the cable 1 needs to be replaced or installed, the cable is only required to be placed in the U-shaped opening of the installation opening 211, and then the installation rod 212 is connected to the installation part 21 in a threaded mode.

Referring to fig. 2 and 3, the anti-collision pile 3 is fixedly connected with two sets of fixing plates 31, the two sets of fixing plates 31 are respectively located on two sides of the anti-collision pile 3 along the length direction of the cable 1, each set of fixing plates 31 includes a plurality of fixing plates 31, and the plurality of fixing plates 31 are distributed along the length direction of the anti-collision pile 3. The fixing plate 31 has a U-shaped cross section and a longitudinal direction parallel to the fixing rod 41. Wherein, the end of the fixing plate 31 far away from the mounting member 21 is fixedly connected with a vertically arranged blocking plate 313, and the blocking plate 313 is adapted to the U shape of the fixing plate 31.

Referring to fig. 3 and 4, a U-shaped elastic block 311 fitted to the fixing plate 31 is fixedly connected to the side of the blocking plate 313 facing the mounting member 21, a fixing rod 41 is fixedly connected to the plate surface of the blocking plate 313 facing the mounting member 21, and the fixing rod 41 passes through the elastic block 311. The end of the buffer tube 42 facing the crash pile 3 abuts against the elastic block 311, and the U-shaped inner wall of the fixing plate 31 abuts against the outer wall of the buffer tube 42. Wherein, a buffer cavity 312 is arranged in the elastic block 311, the buffer cavity 312 is in a ring structure, and the fixing rod 41 passes through the inner ring of the buffer cavity 321.

When in use, the U-shaped inner wall of the fixing plate 31 is attached to the outer wall of the buffer tube 42, and the fixing plate 31 can play a certain supporting role for the buffer tube 42; meanwhile, when a vehicle and the like impact the anti-collision pile 3 or the cable 1 and the generated impact force causes the buffer tube 42 to move towards the anti-collision pile 3, the buffer tube 42 and the baffle ring 421 can extrude the elastic block 311, and the elastic block 311 can assist in absorbing the impact force due to the buffer cavity 312 formed in the elastic block 311; meanwhile, when the impact force is too large, the second buffer spring 44 may not be able to fully absorb the impact force, so that the buffer tube 42 moves toward the blocking plate 313, and the two are in flexible contact with each other through the elastic block 311, so as to reduce the damage caused by the too large impact force.

Referring to fig. 5 and 6, the anchor pile 2 is fixedly connected with a plurality of connecting members 22 distributed along the length direction thereof, and the connecting members 22 include connecting rods 221 radially penetrating the anchor pile 2, connecting pipes 222 threadedly coupled to the connecting rods 221, and connecting links 223 fixedly coupled to ends of the connecting pipes 222 remote from the anchor pile 2. The connecting buckle 223 is a ring structure, and the end of the cable 1 first passes through the connecting buckle 223 and then extends in the opposite direction away from the anchoring pile 2 to form the cable locking part 12.

A locking nut 224 is screwed on one end of the connecting rod 221 far from the connecting tube 222, the anchor pile 2 is located between the locking nut 224 and the connecting tube 222, wherein a washer 225 is arranged between the locking nut 224 and the anchor pile 2, and the washer 225 is sleeved on the connecting rod 221.

Referring to fig. 5 and 6, the cable 1 is provided with a plurality of locking pieces 5 distributed along the length direction thereof, and the cable locking portion 12 and the cable 1 are clamped to the locking pieces 5, so that the probability of loosening of the cable 1 is effectively reduced when the cable 1 is stretched.

The locking piece 5 comprises a U-shaped lock catch 51, two locking plates 52 penetrating through two ends of the U-shaped vertical part of the lock catch 51 and two locking nuts 53 screwed on the two ends of the U-shaped vertical part of the lock catch 51. The cable 1 and the cable locking portion 12 are clamped between the locking plate 52 and the lock catch 51, and the second lock nut 53 is located on the side of the locking plate 52 facing away from the cable 1.

In use, the cable 1 passes through the connecting buckle 223, the connecting buckle 223 is connected to the connecting rod 221 through the connecting pipe 222, and the connecting rod 221 enables the cable 1 to be pulled and kept in a tight state through the locking nut I224. Meanwhile, when the tightness of the cable 1 needs to be adjusted or the cable 1 is installed, after the cable 1 is connected to the connecting buckle 223, the locking nut one 224 is rotated to axially slide the connecting rod 221, so as to change the tightness of the cable 1. When locking cable 1 in connector link 223 again, cable 1 passes connector link 223 earlier and then reverse orientation and keep away from the direction extension of anchor pile 2 and form cable locking portion 12, and cable 1 and cable locking portion 12 pass the U-shaped opening of hasp 51 to cable 1 and cable locking portion 12 are by the centre gripping between lock plate 52 and hasp 51, rotate locking nut two 53 with cable 1 and cable locking portion 12 clamp tightly can, and a plurality of locking pieces 5 can further reduce the not hard up probability of cable 1 relative connector link 223.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a road buffer stop, includes a plurality of anchor pile (2) and a plurality of crashproof stake (3) of distributing along cable (1) length direction that set up in cable (1) both ends above the road curb, fixed connection in cable (1) both ends, anchor pile (2) fixed connection in the road curb, cable (1) extend and crashproof stake (3) fixed connection in the road curb along the length direction of road, and are a plurality of cable (1) vertical distribution, its characterized in that: the cable (1) is connected to the anti-collision pile (3) through a plurality of buffer mechanisms (4) distributed along the length of the cable, each buffer mechanism (4) comprises a fixing rod (41) fixedly connected to the anti-collision pile (3), a buffer tube (42) sleeved on the fixing rod (41), and a first buffer spring (43) and a second buffer spring (44) arranged in the buffer tube (42), the fixing rod (41) is horizontally arranged and surrounds the opposite end parts of the fixing rod and the buffer tube (42) to be respectively and fixedly connected with a first ring platform (411) and a retaining ring (421), the end part, far away from the anti-collision pile (3), of the buffer tube (42) is fixedly connected with a vertically extending mounting part (21), the first buffer spring (43) is sleeved on the fixing rod (41), the two ends of the first buffer spring (43) are respectively abutted against the first ring platform (411) and the retaining ring (421), the two ends of the second buffer spring (44) are respectively abutted against the first ring platform (411, the cable (1) is connected to a mounting (21).

2. A road bump guard as claimed in claim 1, characterised in that: the anti-collision device is characterized in that a plurality of anti-collision plates (11) with corrugated plate-shaped structures are fixedly connected to the cables (1), the anti-collision plates (11) and corrugated grooves of the anti-collision plates extend along the length direction of the cables (1), and the cables (1) penetrate through the grooves of the anti-collision plates (11) along the length direction of the anti-collision plates (11).

3. A road bump guard as claimed in claim 1, characterised in that: a plurality of fixed plates (31) that are the U-shaped are fixedly connected with in anticollision stake (3), the one end fixed connection that installed part (21) was kept away from in dead lever (41) is located in the U-shaped opening of fixed plate (31) in the part of fixed plate (31) and dead lever (41) and buffer tube (42), the inner wall laminating of fixed plate (31) is in the outer wall of buffer tube (42).

4. A road bump guard as claimed in claim 3, characterised in that: an elastic block (311) is fixedly connected in the U-shaped opening of the fixing plate (31), one end, far away from the mounting piece (21), of the buffer tube (42) abuts against the elastic block (311), and a buffer cavity (312) is formed in the elastic block (311).

5. A road bump guard as claimed in claim 4, characterized in that: the cross sections of the first buffer spring (43) and the second buffer spring (44) are rectangular.

6. A road bump guard as claimed in claim 4, characterized in that: a plurality of installing openings (211) that distribute along its length direction are seted up in installed part (21), installing opening (211) are the U form and its U form opening deviates from one side of crashproof stake (3) towards installed part (21), installed part (21) are worn to be equipped with installation pole (212) and are passed installing opening (211), cable (1) are by the centre gripping between the U form inner wall and the installation pole (212) of installing opening (211), installation pole (212) threaded connection is in installed part (21).

7. A road bump guard as claimed in claim 6, characterized in that: the utility model discloses an anchor pile (2) is characterized in that anchor pile (2) fixedly connected with is a plurality of connecting pieces (22) that distribute along its length direction, connecting piece (22) are including connecting rod (221), the connecting pipe (222) of threaded connection in connecting rod (221) tip and the connector link (223) of the tip of anchor pile (2) are kept away from in connecting pipe (222) of radially passing anchor pile (2), the tip threaded connection that connector link (223) were kept away from in connecting rod (221) has lock nut one (224), cable (1) is provided with a plurality of locking pieces (5) and cable (1) that distribute along its length direction and connects in connector link (223) and through locking piece (5) locking.

8. A road bump guard as claimed in claim 7, characterized in that: locking piece (5) including hasp (51) that is the U form, wear to locate locking plate (52) and two lock nut two (53) of two vertical portion tip of hasp (51) U form of two vertical portion tip of hasp (51) U forms, cable (1) passes U form opening and connector link (223) of hasp (51) in proper order earlier and then reverse extension and pass the U form opening of hasp (51) again, cable (1) is by the centre gripping between the U form opening and locking plate (52) of hasp (51), lock nut two (53) are located one side that locking plate (52) deviate from cable (1).

9. A road bump guard as claimed in claim 8, characterised in that: anticollision stake (3) are the square pipe that is vertical setting, the bottom fixed connection of the U-shaped of fixed plate (31) is in the vertical outer wall of anticollision stake (3).