CN1904211A

CN1904211A - Safety highway guard rail and its manufacturing and installing method

Info

Publication number: CN1904211A
Application number: CN 200610041198
Authority: CN
Inventors: 罗晓君
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-11
Filing date: 2006-08-11
Publication date: 2007-01-31
Anticipated expiration: 2026-08-11
Also published as: CN100424271C

Abstract

This invention relates to a kind of safe highway grate, it also relates to the grate's fabricating and installing method. It belongs to highway vehicle safe installing technical realm. This safe highway grate includes tube upright column, on the upright column there fixes the cross column. The column is made by elastoplastic. In the composition of volume percentage the PVC occupies sixty-five to seventy-five percent, the calcium carbonate occupies twenty to thirty percent, the additive occupies five to ten percent. In the elastoplastic,there crosses the steel wire rope. The main installing methods are making the upright column, making the cross column, the locale installing and so on. After using this invention, even the vehicle loses control and knocks into the grate, it will use the steel wire rope to detract, divert or dispel the lost control vehicle's wallop because the cross column has flexibility and makes an buffer effect. It will canvass the vehicle just like the flexible net. It avoids the cross column's broken and insures the vehicle's, the driver's and the passenger's safety.

Description

Safety highway guard rail and manufacturing mounting method thereof

Technical field

The present invention relates to a kind of road guard, especially a kind of new vehicle protection guardrail that is placed in place, road shunting such as speedway also relates to it simultaneously and makes mounting method, belongs to the road vehicle technical field of safety devices.

Background technology

At present, place, the shunting of road such as speedway all is mounted with guardrail.But these guardrails are absolutely unsafe to errant vehicle.The applicant once came to the major traffic accidents on the speedway personally, had witnessed the tragedy of car crash behind the Vehicular impact stiff safety fence.

After making a series of researches, the applicant recognizes that existing guard bar device mainly contains two classes: 1. concrete adds steel tubular structure, its cost economy, but effectiveness in vibration suppression is poor, and impact resistance is not strong; , errant vehicle is had harm; 2. steel pipe adds steel plate structure, though impact resistance is strong, effectiveness in vibration suppression is poor, and is big to the infringement of errant vehicle.

Retrieval finds that the patent No. is that the Chinese patent application of CN93239677.1 and CN02222294.4 discloses two kinds of highway roadside barriers respectively.The former is made of guardrail beam, column and connector, and wherein the guardrail beam is again to be made of trough slab, base plate and the honeycomb structure of band fin or the filler of other form of structure.The latter's guard bar structure is an intermediate hollow, the top opening.Guardrail bottom has through hole.The partially filled soil of intermediate hollow has bigger capacity, plant can be planted in wherein.Though these two kinds of guardrails respectively have its outstanding advantage, when being subjected to Vehicular impact, still can be severed, can not avoid damaging to the accident vehicle.

Summary of the invention

The objective of the invention is: at the unsafe factor of above existing road safety device existence, by selection and architecture advances, a kind of safety highway guard rail is proposed, this guardrail has good shock-absorbing capacity, can disperse, shift, dissolve the impact force of errant vehicle, thereby avoid car crash to lose control of one's vehicle the time, the present invention simultaneously also will provide it and make mounting method.

In order to reach above purpose, technical scheme of the present invention is: a kind of safety highway guard rail, comprise the tubing column, fixing horizontal bar on the described column, its improvements are: described horizontal bar is made with elastoplast, the percent by volume composition of described elastoplast is PVC65-75%, calcium carbonate 20-30%, additive 5-10%, is installed with wire rope in the described elastoplast.

The manufacturing mounting method of safety highway guard rail of the present invention may further comprise the steps:

1, make column---make with metal tube;

2, make horizontal bar---after percent by volume PVC65-75%, calcium carbonate 20-30%, additive 1-10% are mixed, be heated to 160-200 ℃, be extruded into pipe;

3, the on-the-spot installation---the horizontal bar two ends are separately fixed on the adjacent upright posts in place of lower end, penetrate wire rope in the horizontal bar pipe and tighten up.

The modified plastics of horizontal bar of the present invention has very good intensity and toughness, even knock guardrail to lose control of one's vehicle, also can play cushioning effect because of horizontal bar has certain elasticity, and disperse, shift, dissolve the impact force of errant vehicle by wire rope wherein, as having flexible net vehicle is caught, avoid horizontal bar to be severed, guarantee errant vehicle and driver and crew's safety.

Further improving of above technical scheme is, described column is by the fixing horizontal bar of sleeve pipe, described sleeve pipe middle part is fixed on the column, both ends open outwardly, described horizontal bar two ends are inserted in the cover pipe orifice of two adjacent upright fixing respectively, described sleeve pipe and column correspondence position have lacing hole, and described wire rope penetrates lacing hole and form becket bridle in column tube, tighten up fixing in the described becket bridle behind the insertion alignment pin.

Corresponding further perfect manufacturing mounting method is to increase step 1 after following steps 1 ' the making sleeve pipe---with the tubing manufacturing that internal diameter and horizontal bar external diameter match, open lacing hole at sleeve pipe and column correspondence position; Also comprise in the step 3 sleeve pipe is fixed on the column in place of lower end, again the horizontal bar two ends are inserted in the cover pipe orifice of two adjacent upright fixing respectively, penetrate wire rope in the horizontal bar pipe, and make wire rope penetrate lacing hole in column tube, to form becket bridle, in the becket bridle ring, insert tighten up behind the alignment pin fixing.

Safety highway guard rail after improving makes column and horizontal bar further organically combine by wire rope, therefore buffering effect is better, the errant vehicle of running at high speed can be caught as net, thereby avoid car crash, reduce the loss that overturn accident causes, obviously have outstanding progress than prior art.

Description of drawings

The present invention is further illustrated below in conjunction with accompanying drawing.

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

Fig. 2 is the amplification stereogram of connector among Fig. 1.

Fig. 3 is the enlarged drawing of overlooking of Fig. 1.

The specific embodiment

Embodiment one

The safety highway guard rail of present embodiment as shown in Figure 1, column 2 adopts steel pipes to make, and is fixed in the concrete during base 1 construction of lower end, the upper end is buckled with sealing cap 5.Fix splicing sleeve shown in Figure 24 on the steel pipe post 2.This splicing sleeve is by body and the whole manufacturing of nock holder 3-1, and the nock of nock holder and the diameter of steel pipe match, and by the opening 3-2 of nock holder both sides, inserting bolt 7 (referring to Fig. 3) makes splicing sleeve 4 and column 2 fastening during installation.Be fixedly coupled on the two adjacent upright and distinguish the fixedly two ends of horizontal bar 6 of plug-in mounting in the sleeve pipe.Horizontal bar is made by the plastic pipe of extrusion moulding, and concrete plastic components is (percent by volume) PVC70%, calcium carbonate 25%, additive 5%.Wire rope 9 is through in the plastic pipe horizontal bar 6, is stretched into by lacing hole 3 places in splicing sleeve front in the hole of steel pipe post 2 correspondence positions and forms becket bridle, inserts T shape alignment pin 8 (referring to Fig. 3) in the becket bridle, tightens fixing again to two ends.

Concrete manufacturing installation steps are as follows:

1, make column---use the metal tube manufacturing, the upper end is joined and is made sealing cap;

1 ' makes sleeve pipe---with plastic pipe and the whole manufacturing of nock holder that internal diameter and horizontal bar external diameter match, open lacing hole at sleeve pipe and column correspondence position;

2, make horizontal bar---after percent by volume PVC70%, calcium carbonate 25%, anti-oxidant uvioresistant additive and look female 5% mixed, be heated to 180 ℃, be extruded into pipe;

3, the on-the-spot installation---sleeve pipe is fixed on the column in place of lower end with bolt by nock holder place, again the horizontal bar two ends are inserted in the cover pipe orifice of two adjacent upright fixing respectively, penetrate wire rope in the horizontal bar endoporus, and make wire rope penetrate lacing hole, in column tube, form becket bridle, in becket bridle, tighten up fixing behind the insertion alignment pin.

The safety highway guard rail of present embodiment is rational in infrastructure, makes easy for installationly, because practical, promotes easily.Experimental results show that, be used as the modification hot strength of transverse tube and impact strength in the present embodiment and be tens of times of common PVC tubing, after organically combining by wire rope and column, the dilly out of control that speed per hour can be reached 160 kilometers catches as net, therefore compare with existing various guardrails, have desirable buffering and impact resistance performance, thereby avoid the car crash accident to take place, can effectively guarantee traffic safety.

In addition to the implementation, the present invention can also have other embodiment.For example, column and horizontal bar also can be made the square-section, or the like.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.

Claims

1. safety highway guard rail, comprise the tubing column, fixing horizontal bar on the described column, it is characterized in that: described horizontal bar is made with elastoplast, the percent by volume composition of described elastoplast is PVC65-75%, calcium carbonate 20-30%, additive 1-10%, is installed with wire rope in the described elastoplast.

2. according to the described safety highway guard rail of claim 1, it is characterized in that: described column is by the fixing horizontal bar of sleeve pipe, described sleeve pipe middle part is fixed on the column, both ends open outwardly, described horizontal bar two ends are inserted in the cover pipe orifice of two adjacent upright fixing respectively, described sleeve pipe and column correspondence position have lacing hole, and described wire rope penetrates lacing hole and form becket bridle in column tube, tighten up fixing in the described becket bridle behind the insertion alignment pin.

3. according to the described safety highway guard rail of claim 2, it is characterized in that: described column is made with steel pipe, and the lower end is fixed on the base in the concrete when being construction, and the upper end is buckled with sealing cap.

4. according to the described safety highway guard rail of claim 3, it is characterized in that: described sleeve pipe is by body and the whole manufacturing of nock holder, the nock of described nock holder and the diameter of steel pipe match, and fix by the opening inserting bolt of nock holder both sides during installation.

5. according to the described safety highway guard rail of claim 4, it is characterized in that: insert T shape alignment pin in the becket bridle of described wire rope.

6, a kind of manufacturing mounting method of safety highway guard rail may further comprise the steps:

1), make column---make with metal tube;

2), make horizontal bar---after percent by volume PVC65-75%, calcium carbonate 20-30%, additive 5-10% mixing, be heated to 160-200 ℃, be extruded into pipe;

3), the on-the-spot installation---the horizontal bar two ends are separately fixed on the adjacent upright posts in place of lower end, penetrate wire rope in the horizontal bar pipe, and tighten up.

7, according to the manufacturing mounting method of the described safety highway guard rail of claim 6, it is characterized in that: increase step after the described step 1)

1 '), make sleeve pipe---with the tubing manufacturing that internal diameter and horizontal bar external diameter match, open lacing hole at sleeve pipe and column correspondence position;

Also comprise in the described step 3) sleeve pipe is fixed on the column in place of lower end, again the horizontal bar two ends are inserted in the cover pipe orifice of two adjacent upright fixing respectively, penetrate wire rope in the horizontal bar pipe, and make wire rope penetrate lacing hole in column tube, to form becket bridle, in becket bridle, insert tighten up behind the alignment pin fixing.

8, according to the manufacturing mounting method of the described safety highway guard rail of claim 7, it is characterized in that: described step 1 ') in sleeve pipe and the nock holder is whole makes, sleeve pipe is fixed on the column in place of lower end with bolt by nock holder place in the described step 3).