CN108004984A - A kind of multiple energy-absorbing cable protective fence - Google Patents

Abstract

The invention discloses a kind of multiple energy-absorbing cable protective fence.Attachment device (2) including pile (1) and on pile (1), the cable (3) of at least more than three is connected with attachment device (2), key is that cable (3) is connected through wirerope regulating device (4) with attachment device (2), equipped with least one impact force buffer structure.Simple installation of the present invention, occur if any hitting, maintenance or replacement are also very easy, and the advantages of waste of excessive material, component will not be caused, further enhancing the flexibility of flexible steel cable protective fence and significantly reduce occur a hard impacts accident probability and there is the probability of second accident.

Description

A kind of multiple energy-absorbing cable protective fence

Technical field：

The present invention relates to the device that a kind of object to movement is blocked, particularly relate to high-speed cruising on highway The cable protective device that is blocked of vehicle.

Background technology：

With social progress and development, the increasingly motorization of the vehicles, the object such as vehicle or ship of each type games What is used is very universal, then the motorized object produced and other fixed object crash are more and more, such as the friendship of motor vehicle Interpreter thus be significantly increased in recent years, cause a considerable amount of casualties, or substantial amounts of all kinds of sizes ship in normal/cruise Or during typhoon in port wind sheltering, there are a large amount of shock accidents between substantial amounts of ship and ship or ship and harbour, cause quite huge Big property loss and casualties.In particular various countries are more and more more in China or in the world for present highway And vehicle also increasingly increases, the collision accident occurred on annual highway is also significantly increased, significantly highway Upper Vehicle Speed is higher, causes the probability of casualties higher after crashing.Due to the two of existing highway Isolation anticollision (shield) device of side or centre is to set a pile every a distance, sets wave mode to protect between two adjacent piles Plate, both ends and the pile of backplate are fixed, and backplate has phase by the galvanized steel plain sheet that requirements of the national standard is that thickness is 4mm, the steel plate When intensity and elasticity, the statistics and analysis according to highway administration department to a large amount of traffic accidents, when vehicle is large-scale or traction engine When, above-mentioned existing protective device can be knocked destruction substantially, but for largely current middle-size and small-size vehicle, such as the car of vehicle Fast very fast and projected angle of impact is larger, and the shock of the steel plate and vehicle of above-mentioned high intensity often causes the moderate finite deformation of vehicle and leads Casualties is caused, as projected angle of impact is smaller, the high resiliency of steel plate makes shock vehicle be ejected to opposite side again, makes shock vehicle and its The vehicle of behind occurs secondary collision and produces second accident or produce a chain of collision, and this phenomenon is in rainy day, greasy weather or ice Snowy day gas occurs especially prevalent.Therefore, the design requirement of the protective plate of highway or protective device exists significantly at present Defect, in addition above-mentioned galvanized steel plain sheet can produce substantial amounts of pollution in process of production, be subject to air dirty during long-time service Dye, zinc-plated protection are difficult to persistently, and steel plate easily corrodes.How to reduce the impact strength once hit and reduce going out for secondary impact Now the key issue for reducing traffic accident on highway, the solution of this problem undoubtedly have very high economic value and Social effect (reduction injures and deaths), in fact in river or coastal or bay, shock between ship also there are it is above-mentioned the problem of, The front end for being particularly ship is tip-shape, also easily goes out spot and ruins or personnel casualty accidents.

The prior art of foregoing wave mode girder construction is removed, also has a kind of common cable protective fence, its basic structure It is that three cables are equipped with pile, when hitting generation, Vehicular impact cable, passes through the deformation of cable and the change of pile Shape blocks vehicle continuation, blocks vehicle success or cable fracture or pile lodging and blocks unsuccessfully, this structure is prevented It is to hit for the first time relatively soft that guardrail, which compares the advantages of wave mode girder construction, and the seriousness of accident reduces, but itself and ripple Type girder construction has a case that common is that shock is to continue (except disengaging is repelled), that is, cable is persistently subject to after hitting Drawing force, until blocking successfully or blocking unsuccessfully, through testing, simulating calculating and analysis, hits after occurring, cable reaches maximum The time of drawing force generally stops in or so one second time, cable or fracture or vehicle or Vehicular turn separates.Therefore, hit After generation, the Impact energy (pressure) being converted into by vehicle energy was occurred in an extremely short time, how to press shock Power makes energy most rationally and effective distribution or/and transmit before reaching maximum fracture value, be both one and sufficiently complex be The problem of system property, being even more one highly important need to solve the problems, such as and there is highly important Social benefit and economic benefit.

The content of the invention：

The present invention goal of the invention be disclose it is a kind of have extension collision time, Impact energy reasonable layout it is efficient more Weight energy-absorbing cable protective fence.

Realize that the technical solution of the present invention is as follows：Attachment device including pile and on pile, at least three Cable above is connected with attachment device, it is important to which cable is connected through wirerope regulating device with attachment device, equipped with least One impact force buffer structure.

The attachment device has a ring set with pile suit, and ring set has support device.

The wirerope regulating device includes an adjustment casing with two-way internal thread, adjusts the interior of casing and both ends Pipe screw thread connects, and inner tube has an axial taper inner via hole, at least two with above-mentioned taper inner via hole surface engagement slidably The slip fixture block of displacement is placed in taper inner via hole, slides fixture block clamping cable.

The impact force buffer structure is that at least one can be sheared between pile outer surface and the ring set of suit Part is intermeshed, and the shape of the intermeshing part is semicircle for rectangle or triangle or arc transition.

The pile is bolted with the ring set being set with through perforative, and the through hole of the pile of bolt-through leads to for bar shaped Hole.

The slip fixture block is three pieces, and sliding the outer end of fixture block has the arc convex of an outwardly extending protrusion, arc There is a gap between shape convex and the end face of inner tube.

The inner wall of the inner tube has raised line vertically, and the corresponding matching surface for sliding fixture block has corresponding groove.

The outer surface of the inner tube is equipped with a connection piece.

The support device is diamond shape or square structure, and diamond shape or square structure are connected with ring set, and diamond shape or square Structure is closed circular or is non-close ring-type.

The support device is the two front support arms stretched out forwards on ring set.

The support device is two rear supports that ring set has the two front support arms stretched out forwards and stretches out backward Arm.

The cable is equipped with wirerope anchoring cover of wedge, and the support device through connecting plate and diamond shape or square structure Connection.

The present invention be fully to wirerope by the deformation process of the whole protective fence after Vehicular impact and shock after wirerope by To drawing force evolution done comprehensive and systematic analysis, simulation after, based on hit from occur to end time it is very short Urge to become reconciled Impact energy absorption and transmit need a time, design object of the invention be before protective fence is destroyed as far as possible Extend collision time, and Impact energy is passed into soil matrix as far as possible and is distally transmitted, structure design of the invention realizes Above-mentioned design object, at the same also fully take into account the present invention actual installation, using process and maintenance, even recycle it is whole The problem of service life phase, make the simple installation of the present invention, occurs if any hitting, and maintenance or replacement are also very easily, and will not The advantages of causing the waste of excessive material, component, further enhancing the flexibility of flexible steel cable protective fence is simultaneously greatly reduced There is the probability of a hard impacts accident and the probability of second accident occur.

Brief description of the drawings：

Fig. 1 is the overall positive structure schematic of one embodiment of the present of invention.

Fig. 2 is the overlooking the structure diagram of Fig. 1.

Fig. 3 is the dimensional structure diagram of one embodiment of attachment device.

Fig. 4 is the half section structure diagram of one embodiment of regulating device.

Fig. 5 is the section structure diagram of another embodiment of attachment device.

Fig. 6 is a kind of section structure diagram of the assembling of attachment device and pile.

Fig. 7 is the section structure diagram for sliding fixture block.

Fig. 8 is the section structure diagram of regulating device.

Fig. 9 is the structure diagram of the another embodiment of attachment device.

Figure 10 is the appearance schematic elevation view of the pile of the present invention.

Embodiment：

The detailed description of the embodiment of the present invention is provided with reference to attached drawing, it is necessary to the specific implementation of the invention of explanation Providing for mode is understanding for ease of to technical scheme, is not construed as the claims to invention Limitation.

Fig. 1~Figure 10 is referred to, the technical solution of specific embodiment of the invention is：Including pile 1 and on pile 1 Attachment device 2, the cable 3 of at least more than three is connected with attachment device 2, and above essence is similar to the prior art, key It is that cable 3 is connected through wirerope regulating device 4 with attachment device 2, is additionally provided with least one impact force buffer structure；Above-mentioned tune The tension force or elasticity of 4 adjustable steel cable 3 of regulating device, when making more cables 3 and Vehicular impact in appropriate rigidity and/ Or appropriate ductility, drawing force of the above-mentioned cable 3 after shock reach a surrender appropriate, less than cable 3 During the limit, buffer structure can make in cable 3 within the extremely short time by the uphill process of the drawing force in interruption cable 3 Drawing force in the above-mentioned extremely short time substantially close to the state of not stressing, after very short time, as vehicle is under effect of inertia Continue to move and cable 3 continued to oppress, the drawing force in cable 3 close to the state that do not stress again by gradually carrying Height, i.e., by the temporary cut-out of knockout process and as the knockout process of at least two segmentations, this makes above-mentioned buffer structure The duration of original continuous knockout process increases at least one times or more, then protective fence is had the more time by impact energy Amount passes to soil matrix and farther both ends, and improve protective fence of the present invention blocks effect.

Foregoing attachment device 2 has a ring set 8 being set with pile 1, and ring set 8 has support device 15；Above-mentioned ring set 8 is One enclosed construction, the profiled outline of its in-profile and pile 1 are adapted, and one side ring set 8 is very square when being installed with pile 1 Just, and no matter how the direction of impact changes, and impact can be passed to pile 1, or deterring such as the prior art by ring set 8 During the bolt fracture being connected with pile of block, the impact (or process) that pile is passed to through obstruction block is interrupted, and the present invention Above-mentioned ring set 8 is not in drawbacks described above existing for prior art, can transmit impact all the time to pile.

Foregoing wirerope regulating device 4 includes an adjustment casing 5 with two-way internal thread, adjusts casing 5 and both ends Inner tube 6 be threadedly coupled, inner tube 6 has an axial taper inner via hole, at least two with above-mentioned taper inner via hole surface engagement Slidably the slip fixture block 7 of displacement is placed in taper inner via hole, slides 7 clamping cable 3 of fixture block；In actual use, card is slided 7 clamping cable 3 of block, adjusts casing 5 by rotating, makes to produce relative displacement between adjustment casing 5 and inner tube 6, then by interior The taper inner via hole of pipe 6, slide the tension force that fixture block 7 tensed or loosened cable 3, when cable 3 is subject to impact, cable 3 will drive slip 7 outward direction displacement of fixture block, under the action of taper surface, slide fixture block 7 and will on the one hand further clamp wirerope Rope, on the other hand passes to pile 1 by the attachment device 2 with wirerope regulating device 4 by effect of impact power, while passes through connection Device 2 transmits effect of impact power to the cable 3 and pile 1 in a more distant place.

After actually generation is hit, impact is continuously delivered to by cable 3, wirerope regulating device 4 and attachment device 2 Pile 1 and soil matrix, and the distal end in two direction of left and right of rum point can be delivered to, the shock of connection, which applies impact, makes impact exist Increase sharply in whole protective fence system, as the drawing force that cable 3 is subject to reached the limit values if 1 second or so, at this Though the Impact energy that period inner impact produces can be delivered to soil matrix and a distant place, transmit or scattered energy can't make us full Meaning.Therefore, the present invention is equipped with impact force buffer structure, which is the ring set 8 in 1 outer surface of pile and suit Between at least one the intermeshing part that can shear, and the shape of the intermeshing part is rectangle or triangle or circular arc Transition is semicircle；Hit after occurring, the movement tendency that is produced after 15 stress of support device of attachment device 2 make ring set 8 produce around The movement tendency of pile 1, the movement tendency are subject to stopping for foregoing intermeshing part, which is then cut Shear force, when shearing force is more than the shear strength of intermeshing part, the small portion of the above-mentioned shear strength for being intermeshed part Dividing and be cut away or cut off a part, shear the moment of generation, ring set 8 is in the state of a non-resistance or drag minimization, Ring set 8 has the idle running of a very short time under the driving of support device 15, during the idle running, cable 3 and other portions The stress of part is minimum, and the internal tension of particularly cable 3 is close to zero or minimum, when ring set 8 turns over a stroke, ring set 8 with When the pulling force of pile 1 re-establishes or the rotation of ring set 8 is obstructed again, the stress of whole protective fence and cable 3 re-establishes, Particularly the internal tension of cable 3 is increased with linear relationship again in elastic deformation area.Foregoing description can be summarized as, due to above-mentioned The setting of impact force buffer structure, makes the continuous loading process of prior art be changed into two loading processes, this makes entirely to hit Journey has the secondary loading process in elastic deformation area, then is added significantly to the total time of Impact energy, and can have Impact energy More Time Transmissions to soil matrix and the distal end for the both direction for being dispersed to rum point, be finally improve protective fence block effect Rate.

Above-mentioned impact force buffer structure is removed, itself or pile 1 are connected with the ring set 8 being set with through perforative bolt 9, spiral shell The through hole of the perforative pile 1 of bolt 9 is strip through-hole 10；Bolt 9 passes through the conventional circular hole on ring set 8 and above-mentioned strip through-hole 10, at this moment bolt 9 be located at a certain position of strip through-hole 10, there are a distance, pile 1 as the aforementioned in the end away from strip through-hole 10 After there is shearing with the intermeshing part of ring set 8, the drive bolt 9 of ring set 8 rotated a distance in strip through-hole 10 Process is the process of a non-resistance or drag minimization, is the process that foregoing impact force buffer structure plays a role, works as spiral shell When bolt 9 is contacted with the end of strip through-hole 10, each several part of protective fence is re-established in the lower stress that continues to oppress for hitting vehicle； When the lasting pressure of moving vehicle, above-mentioned bolt 9 applies the pressure for continuing and increasing to the end of strip through-hole 10, when the pressure When power is more than the shear strength of bolt 9, bolt 9 is broken, and ring set 8 will rotate in the state of drag minimization, and the rotation process is then The stress of whole protective fence is changed into the minimum process of stress for second, at this moment stress, that is, internal tension of cable 3 by Higher value is changed into minimum, when ring set 8 has gone to a certain position, one is established between cable 3, ring set 8 and pile 1 and is approached Linear state, establishes the process that a pulling force gradually increases between three, the stress of whole protective fence system is built again Vertical, the elastic stretching of cable 3 increases again from close to null value again, i.e., knockout process interrupted for the second time after again again Establish, then further increase the time of whole knockout process, Impact energy will be made there are more times to be inhaled by pile or soil matrix Receive and be transferred to farther both direction.

In foregoing wirerope regulating device 4, the slip fixture block 7 be three pieces, slide fixture block 7 outer end have one to There is a gap between the end face of the arc convex 11 of the protrusion of outer extension, arc convex 11 and inner tube 6；When hitting generation, steel Displacement after 3 stress of cable, which will drive, slides fixture block 7 in 6 intrinsic displacement of inner tube, when displacement be equal to above-mentioned arc convex 11 with During gap between the end face of inner tube 6, arc convex 11 is subject to hindering for the end face of inner tube 6, slides the power that fixture block 7 is subject to bigger And when being more than the shear strength of arc convex 11, arc convex 11 is cut away, at this moment slides fixture block 7 and have a very short time Stress accelerates, and the time of the accelerated motion can cause the drawing force of the inside of cable 3 to have a rapid decrease, work as slip Fixture block 7 be obstructed in inner tube 6 be decelerated to normality displacement or stop motion when, whole protective fence system include cable 3 by Power state is recovered again, this is also regarded as the buffer structure of an impact force.The inner wall of above-mentioned inner tube 6 has vertically convex Bar 12, the corresponding matching surface for sliding fixture block 7 have corresponding groove 13；Above-mentioned raised line 12 coordinates with groove 13, on the one hand Facilitate the adjusting of regulating device, on the other hand when more raised lines 12 are to be symmetrical arranged, after stress or the extruding of cable 3 can be made Deformation it is uniform, the stretching to cable 3 is highly beneficial.

The outer surface of the inner tube 6 is equipped with a connection piece 14, and connector 14 is connected with above-mentioned attachment device 2, connection Support device 15 on device 2 is diamond shape or square structure, and diamond shape or square structure are connected with ring set 8, and above-mentioned diamond shape or Square structure is closed circular or is non-close ring-type, and the support device 15 of above-mentioned diamond shape or square structure has connecting hole, interior The connector 14 of the outer surface of pipe 6 is placed into the connection that above-mentioned connecting hole realizes inner tube 6 and support device 15 for a column.

Support device 15 in the attachment device 2 is the two front support arms stretched out forwards on ring set 8, herein Front refers to that whole protective fence is connected towards the direction of highway, connector 14 with front support arm, or the support dress in attachment device 2 15 are put as the two front support arms stretched out forwards and two rear support arms rearward stretched out on ring set 8, rear herein is Refer to backwards to the direction of highway, then can earliest time contact impact vehicle when cable 3 is arranged on front support arm；Such as in back and front supporting When cable 3 is equipped with arm, when protective fence is arranged on highway side, front and rear two layers of cable 3, which further increases, to be blocked Hinder effect, when protective fence is arranged among two-way highway, the vehicle of two way is provided which it is double block, improve The present invention application flexibility and block efficiency.

The cable 3 is equipped with wirerope anchoring cover of wedge 16, and the branch through connecting plate 17 and diamond shape or square structure Support arrangement 15 connects；When hitting generation, the pulling force that cable 3 is subject to can also be transmitted by above-mentioned cover of wedge 16 and connecting plate 17 To support device 15, while cover of wedge 16, connecting plate 17, wirerope regulating device 4 and attachment device 2 form mutually gearing or a phase The complicated stereochemical structure mutually pind down, can not only absorb more Impact energies, above-mentioned when hitting generation in pile position Stereochemical structure, which has, more preferably intensity and absorbs more energy, makes the anti-collision effect of the present invention or block effect further to carry It is high.

Claims (12)

1. a kind of multiple energy-absorbing cable protective fence, including pile (1) and the attachment device (2) on pile (1), at least three Cable (3) more than bar is connected with attachment device (2), it is characterised in that cable (3) is through wirerope regulating device (4) with being connected Device (2) connects, equipped with least one impact force buffer structure.

2. the multiple energy-absorbing cable protective fence as described in claim 1, it is characterised in that the attachment device (2) have one with The ring set (8) of pile (1) suit, ring set (8) have support device (15).

3. the multiple energy-absorbing cable protective fence as described in claim 1 or 2, it is characterised in that the wirerope regulating device (4) an adjustment casing (5) with two-way internal thread is included, adjustment casing (5) is threadedly coupled with the inner tube (6) at both ends, interior Pipe (6) has an axial taper inner via hole, at least two with the slip of the slidably displacement of above-mentioned taper inner via hole surface engagement Fixture block (7) is placed in taper inner via hole, slides fixture block (7) clamping cable (3).

4. the multiple energy-absorbing cable protective fence as described in claim 3, it is characterised in that the impact force buffer structure is The intermeshing part that at least one can be sheared between the ring set (8) of pile (1) outer surface and suit, and the intermeshing Partial shape is semicircle for rectangle or triangle or arc transition.

5. the multiple energy-absorbing cable protective fence as described in claim 4, it is characterised in that the ring of the pile (1) and suit Cover (8) to connect through perforative bolt (9), the through hole of bolt (9) perforative pile (1) is strip through-hole (10).

6. the multiple energy-absorbing cable protective fence as described in claim 5, it is characterised in that the slip fixture block (7) is three Block, sliding the outer end of fixture block (7) has the arc convex (11) of an outwardly extending protrusion, arc convex (11) and inner tube (6) End face between have a gap.

7. the multiple energy-absorbing cable protective fence as described in claim 6, it is characterised in that the inner wall of the inner tube (6) has edge Axial raised line (12), the matching surface for sliding fixture block (7) accordingly have corresponding groove (13).

8. the multiple energy-absorbing cable protective fence as described in claim 7, it is characterised in that the outer surface of the inner tube (6) is set There is a connection piece (14).

9. the multiple energy-absorbing cable protective fence as described in claim 8, it is characterised in that the support device (15) is water chestnut Shape or square structure, diamond shape or square structure are connected with ring set (8), and diamond shape or square structure are closed circular or are non-close Ring-type.

10. the multiple energy-absorbing cable protective fence as described in claim 8, it is characterised in that the support device (15) is ring The two front support arms stretched out forwards on set (8).

11. the multiple energy-absorbing cable protective fence as described in claim 8, it is characterised in that the support device (15) is ring Two rear support arms that set (8) has the two front support arms stretched out forwards and rearward stretches out.

12. the multiple energy-absorbing cable protective fence as described in claim 8, it is characterised in that the cable (3) is equipped with One wirerope anchoring cover of wedge (16), and be connected through connecting plate (17) with the support device of diamond shape or square structure (15).