CN2856145Y

CN2856145Y - Folding anti-collision guard bar

Info

Publication number: CN2856145Y
Application number: CN 200620080343
Authority: CN
Inventors: 金陵; 邵玉宝
Original assignee: 张坤松
Priority date: 2006-01-16
Filing date: 2006-01-16
Publication date: 2007-01-10
Anticipated expiration: 2016-01-16

Abstract

The utility model relates to a foldable anti-collision safety barrier having movable node and movable upright column in folded connection. The movable node is in lock-pin hinged connection with fixed node and the latching hoop structure is provided between the movable node and movable upright column, therefore, the foldable anti-collision safety barrier is delocked in the center to allow the movable node to be folded toward the side of the fixed section and the movable upright column to be extracted, forming emergency exit. The utility model has the advantages of easy defolding, tight connection between parts, convenience in disassembly and maintenance and anti-theft function. The utility model mainly comprises fixed node disposed at least one end portion, fixed column connected with the lower end of the fixed node and vertically inserted into the road foundation, and at least one foldable movable node. The movable node at distal end is in lock-pin hinged connection with the fixed node at one end. Said movable node is capable of foldably opening and retrieving at one or two sides.

Description

Collapsible anticollision barrier

Technical field

The utility model is a kind of special-purpose guardrail that is applied to speedway, and this guardrail is opened emergent mouthful of isolation strip collapsibly particularly.

Background technology

During present domestic high speed and standard highway are built, need be provided with special-purpose guardrail for emergent mouthful at central partition usually, when traffic accident occurring, offer passage again to satisfy, relieve traffic congestion.

The movable rail that the existing highway isolation strip is emergent mouthful, the following three kinds of structural concepts of general employing, one class is the telescopic movable guardrail, this type of guardrail has the basic structure of parallelogram, though it is flexible comparatively flexible, but lack the fixedly connected of necessity between the stretching structure, thereby its crashworthiness is relatively poor.

Second class is the plug-in type guardrail, and this type of guard bar structure is comparatively simple, and several are inserted into the body crashworthiness extreme difference in the roadbed of road surface, and does not have an anti-theft feature.

The 3rd class is common cement block guardrail, and the emergent mouth that this type of guardrail constitutes is not had a flexibility.If when running into emergency and needing opening, the crane cement block of just moving away to the scene must be arranged, do not meet an emergent mouthful of flexible designing requirement.

The utility model content:

Collapsible anticollision barrier described in the utility model, its purpose of design are to solve the deficiency of above-mentioned guardrail and a kind of folding active section and active column structure that connects that have are provided.Be connected with lock pin hinge between the fixed knot by active section, and the buckle anchor ear structure between active section and the active column, make described collapsible anticollision barrier open lockset from the centre, be back to fixed knot one side with the folding active section of folding mode, extract active column, thereby open emergent mouthful of isolation strip to greatest extent.Collapsible anticollision barrier unfolding mode is simple and easy to do, connect closely, be easy to dismounting and maintenance between each parts of guardrail.The dismounting parts have theftproof performance.

For realizing above-mentioned purpose of design, the primary structure of described collapsible anticollision barrier comprises:

At least be provided with fixed knot at a side end, the lower end of this fixed knot is connected with fixed leg, and fixed leg inserts in the roadbed of highway vertically downward;

At least one folding active section, the active section of side is connected by the lock pin hinge with fixed knot one side.

Described active section can arbitrarily be opened foldedly or reclaim to a side or both sides.

The end of the active section of least significant end has a buckle structure, is provided with lockset in the inboard of buckle structure;

At least one active column, active column insert in the fixed cover of roadbed vertically downward;

In the hole, junction of the corresponding joint with it of described active column, and the buckle structure of the active section of least significant end is connected with lockset, and with terminal active section locking.

As the collapsible anticollision barrier of above-mentioned structure, when normal the use, active section one end is connected with fixed knot, and the other end is buckled on the active column.Or after a plurality of active sections connected successively, an end was connected with fixed knot, and the other end is buckled in all sides of column.Laterally connect anticollision barrier closely thereby form.

When being in an emergency or major traffic accidents and need open emergent mouthful of isolation strip the time, only the lockset of the active section of least significant end is opened, corresponding lock pin hinge is being opened, then its buckle structure can be thrown off from active column, then one or more active sections are back to fixed knot one side collapsibly, then active column is extracted from the column of road surface roadbed cover, the blocking position that originally formed can be cleared and form opening.

For improving the compactness that connects between the active section, the end of active section is provided with lockset.When adjacent active section connects, interconnect by the lock pin hinge;

Flexibility when folding active section for improving is connected with universal wheel respectively in the lower end of described active section.

Be the problem that prevents that getting loose from appearring in active column, in the roadbed that described active column inserts, be provided with sleeve pipe.Guardrail covers the active column upper end after opening sealing, and column upwards can not be extracted.

From improving the flexibility angle of using collapsible anticollision barrier, further improvement project is, be provided with two groups of symmetrically arranged guard bar structures, promptly be respectively arranged with a fixed knot in both sides, be respectively arranged with the plurality of movable joint in the middle of fixed knot one side direction, the buckle structure of the active section end at every group switching centre position connects by lockset.

As mentioned above, the advantage of collapsible anticollision barrier described in the utility model is:

1, utilize between every joint the lock pin hinge and and active column between the buckle syndeton, can realize the collapsible recovery of guardrail, the isolation strip is easy to open or close for emergent mouthful, and is easy to operation.

2, connect closely between each parts of guardrail, be easy to dismounting and maintenance, and the tool theftproof.

3, active column can be extracted comparatively easily after being clashed into and not influence use, also can improve crashworthiness.

Description of drawings

Fig. 1 is the structural representation of described collapsible anticollision barrier.

Fig. 2 is the plan structure schematic diagram of Fig. 1.

Fig. 3 and Fig. 4 are the process schematic diagrames that active section is opened recovery.

Have fixed knot 1, fixed leg 11, fixed leg 12, lock pin hinge 13 as shown in Figures 1 to 4;

Fixed knot 2, fixed leg 21, fixed leg 22, lock pin hinge 23;

Active section 3, buckle 31, lock pin hinge 32, universal wheel 33,

Active section 4, buckle 41, lock pin hinge 42, lockset 43, universal wheel 44;

Active section 5, buckle 51, lock pin hinge 52, universal wheel 53,

Active section 6, buckle 61, universal wheel 63;

Active column 7, column cover 71;

Active column 8, column cover 81;

Active column 9, column cover 91;

Roadbed 10.

The specific embodiment

Embodiment 1, and as shown in Figures 1 to 4, described collapsible anticollision barrier has two groups of symmetrical structures.

Be respectively arranged with fixed knot 1 and fixed knot 2 in both sides.The lower end of fixed knot 1 is connected with fixed leg 11 and fixed leg 12, and the lower end of fixed knot 2 is connected with fixed leg 21 and fixed leg 22.

The lock pin 13 of fixed knot 1 interconnects with the lock pin 32 of active section 3.

The lock pin 23 of fixed knot 2 interconnects with the lock pin 52 of active section 5.

The lock pin 32 of active section 3 opposite sides interconnects with the lock pin 42 of active section 4.Snapping active column 7 in the side hole 31 of active section 3, active column 7 inserts in the column cover 71.

The lower end of active section 3 also is provided with universal wheel 33.

The lower end of active section 4 is provided with universal wheel 44, forms a buckle 41 at its side, is provided with lockset 43 in the inboard of buckle 41.Active column 8 is in the buckle 41 of active section 4 and the buckle 61 of active section 6 butt joint and in the anchor ear that forms, and buckle 61 connects also and is locked on the lockset 43.

Active column 8 inserts in the column cover 81.

The lock pin 52 of active section 5 opposite sides interconnects with the lock pin of active section 6.The side buckle 51 of active section 5 is buckled on the active column 9, and active column 9 inserts in the column cover 91.

The lower end of active section 5 also is provided with universal wheel 53.

The lower end of active section 6 is provided with universal wheel 63, forms a buckle 61 at its side.

When being in an emergency or major traffic accidents and need open emergent mouthful of isolation strip the time, buckle 61 being thrown off from lockset 43;

Respectively active column 7,8,9 is extracted from column cover 71,81 and 91;

Then active section 3 and active section 4 are folded recovery to fixed knot 1 one sides, active section 5 and active section 6 are folded recovery to fixed knot 2 one sides, then the blocking position that originally formed can be cleared, open the mouth of meeting an urgent need.

Claims

1, a kind of collapsible anticollision barrier is characterized in that: be provided with fixed knot at least one side end, the lower end of this fixed knot is connected with fixed leg, and fixed leg inserts in the roadbed vertically downward;

At least one folding active section, side is connected with fixed knot one side, and the side of active section has buckle and lock pin hinge;

The side junction of every joint forms a buckle anchor ear structure, is provided with lockset in the inboard of the terminal buckle structure of active section;

At least one active column, active column insert roadbed inside vertically downward;

Described active column stands on the junction of the active section corresponding with it, and the buckle structure of the active section of least significant end is connected with lockset.

2, collapsible anticollision barrier according to claim 1, it is characterized in that: the side of active section is provided with the lock pin hinge, interconnects by the lock pin hinge between the adjacent active section.

3, collapsible anticollision barrier according to claim 1 and 2 is characterized in that: the lower end at described active section is connected with universal wheel respectively.

4, collapsible anticollision barrier according to claim 3 is characterized in that: be provided with the column cover in the ground that described active column inserts.

5, collapsible anticollision barrier according to claim 4, it is characterized in that: be provided with two groups of symmetrically arranged guard bar structures, promptly be respectively arranged with a fixed knot in both sides, be respectively arranged with the plurality of movable joint in the middle of fixed knot one side direction, the buckle structure of the active section end at every group switching centre position connects by lockset.