CN1008285B

CN1008285B - Pavement repairing device

Info

Publication number: CN1008285B
Application number: CN87102815A
Authority: CN
Inventors: 罗歇·吉荣
Original assignee: BONEY Co
Current assignee: BONEY Co
Priority date: 1986-03-10
Filing date: 1987-03-09
Publication date: 1990-06-06
Also published as: DE3765958D1; ES2018836B3; EP0237424A1; CA1279520C; CN87102815A; EP0237424B1; ATE58193T1; FR2595383B1; FR2595383A1

Abstract

The appliance comprises, in the direction of movement, a milling rotor (10) disposed in a tearing-up chamber (11) for attacking the roadway to be treated and a variable-speed mixer rotor (14) with a shaft (28) which is longitudinal relative to the direction of movement (A) and mounted downstream of the milling rotor (10), this mixer rotor (14) comprising mixing arms (29) equipped, at their end, with interchangeable blades (34) and forming a screw capable of discharging the aggregates originating from the milling rotor (10), whilst at the same time mixing them, towards the rear of the device.

Description

Pavement repairing device

The present invention relates to pavement recapping equipment.

Highway communication particularly as the fast development of heavy vehicles such as truck, and is built and is not subjected to the freezing problems such as highway network that influence, and all requires the reinforcing road surface.

Yet the various solutions that proposed so far just prolong the local solution of several years, and can not suitably reinforce it some service times with some highway.

In order to remedy these defectives, once developed the repairing device that some can effectively reinforce the road surface, the road surface after the repairerment is very long service time, and cost can reduce, and in most of the cases, its cost is starkly lower than provisional maintain road engineering cost.

TRAVAUX, February the 607th in 1986 rolled up, Suppl(HDelavenay et al: " L ' arc600-I ' atelier de reconditionment chaussee) in a kind of pavement recapping equipment that can advance on the road surface is disclosed; it can be at the cement-bonded material of upper berth, road surface one deck; and destroy the road surface of predetermined thickness; so that will stir evenly after its fragmentation; mix; be layered on it on road surface again at last again, this equipment follows the consumption control section that direction into comprises water and cement, and one is installed in the indoor Milling Machine of milling so that destroy the road surface that need overhaul.But this pavement recapping equipment can not carry out abundant and efficient mix by the old pavement material, and in fact efficient mix is the essential condition that obtains satisfied road surface after overhauling, and that is to say by efficient mix just to obtain smooth, firm, anti-freezing road surface particularly.

Therefore, the purpose of this invention is to provide a kind of pavement recapping equipment that can carry out efficient mix.Pavement recapping equipment of the present invention can be advanced on the road surface can spread one deck binding material in case of necessity, cement layer particularly destroys the road surface of predetermined thickness then, and it is broken and smash into aggregate to pieces, again aggregate is fully stirred evenly mix, be layered on the road surface again at last.

This feature of overhauling equipment is: direct motion is advanced direction and is comprised that is installed in the indoor Milling Machine of milling, it can be used for destroying the road surface of preparing processing, with the rotary mixer that is contained in a variable-ratio on the axle, the downstream that direction vertically is installed in Milling Machine is entered in its direct motion, this rotary mixer comprises some mixing pivoted arms, interchangeable blade is housed on the top of arm and forms conveyor screw, will mix back row from the aggregate of Milling Machine to the back.

Experiment showed, that the Milling Machine and the mixer that will have above-mentioned feature combine at Y, is that to obtain the satisfied road surface institute that overhauls after treatment requisite.

According to another feature of the present invention, Milling Machine is made up of a driving tube of obviously installing perpendicular to direct of travel, and is welded with a conveyor screw, and Milling Machine comprises two groups of carbide teeth, wherein an assembly welding pipe around on, another assembly welding is in spirochetal outside.

In order to obtain promising result, spirochetal width must be corresponding with the operation width, and must be made up of high strength steel.

Milling Machine itself is mounted in the milling chamber, is furnished with some milling cutters in the milling chamber, can limit the passage between Milling Machine and the housing, makes the material of smashing to pieces more even.

In front portion, milling chamber an injector is arranged preferably, can mix the quantitative water of back interpolation at cement and aggregate.

Therefore, according to the present invention, the conveyor screw of Milling Machine is with the powerful together mix of aggregate, cement and water, and the material with mix sends back on the position of center line of machine simultaneously.

According to another feature of the present invention, a sizing fence is arranged in the back of milling chamber, the material after Milling Machine is handled is thrown to this fence; This fence that on some existing machine, has adopted in fact, comprise a cover be similar to mutually vertically or have slightly lose shape, be opening V shape pole bar, its opening degree is with processed changes in material; This fence is used to stop excessive material piece, when the material piece drops to housing bottom, by Milling Machine milling again.

According to another feature of the present invention, the equipment of overhauling comprises a mixing machine that is installed in back, milling chamber, but and where necessary direct motion advance direction and be installed in the back of sizing fence and the front of rotary mixer.

This mixing machine generally is made up of some arms that are installed on the square drive axle that is parallel to Milling Machine; Its effect has two, can assist to clear up the sizing fence on the one hand, avoids putty between bar, makes aggregate meet size, can aggregate be stirred evenly by stirring the material from fence on the other hand.

According to another feature of the present invention, the equipment of overhauling comprises a distributing auger device that is horizontally placed on the axle of direct of travel, it is installed in rotary mixer back, so that lay the aggregate that derives from mixer, this distributing auger device and the smooth cutter that can change height are used in combination, and just can adjust the thickness that is layered on the aggregate on the road surface again.

According to the present invention, the speed of distributing auger device, smooth cutter and mixer motor, by the operator that advances of control entire equipment from terrestrial operation.

In addition,, can consider an automatic planarization system, with the quality and the gradient thereof of the longitudinal section of the thickness that guarantees to lay the road surface, milling back pad layer bottom in order to improve performance of overhauling equipment of the present invention.

According to another feature of the present invention, distributing auger device, the smooth cutter of rotary mixing form an integral installation on a balladeur train that can vertically move, so that can shift to the motor of sizing fence and mixing machine.

According to another feature of the present invention, one can be opened the pipe of adorning the rotor that has bar in the ， And rapidly, and it is cellular to be used to make batching to form, so that regularly discharge these cellular batchings, and guarantees to measure well-balanced.

In fact, making above-mentioned feature accomplished, is to guarantee that present device normal operation institute is requisite.

Before starting Milling Machine, can fully adjust the cement amount on the road surface that is routed to the operation width, be to obtain satisfied another essential condition on road surface of overhauling after the treatment of road surfaces.

Therefore, the present invention's suggestion is handled the feature on road surface itself and the speed that vehicle moves according to need on the road surface, can regulate the cement amount (or other hydraulic binder or bituminous binder) of interpolation ideally.

For this reason according to another feature of the present invention, the equipment of overhauling comprises that two direct motions advance the vehicle body that direction is connected, one of them vehicle body or first vehicle body are equipped with some by the way wheels of moving of face, and have a cement batcher that is connected on the cement basin, a measuring pump that is connecting water tank, the control motor of cement batcher and measuring pump, and one comprise a control room that is subjected to the computer that the first vehicle body gait of march influences, the control room can be controlled water and the cement amount that is offered every square metre of road surface by cement batcher and measuring pump respectively, to meet predetermined instruction; And another vehicle body or second vehicle body are positioned at the first vehicle body back, are supported on the rolling mechanism by level is very heavy, and have a Milling Machine, a rotary mixer, can have a distributing auger device in case of necessity, a smooth cutter, a sizing fence and a mixing machine.

The equipment of will overhauling " is divided into " two different vehicle bodies, can control the cement amount that dumps better by cement batcher.

Certainly, the understanding of broad sense should be done in " cement " and " water " two speech, in fact should comprise hydraulic or bituminous binder that all can be used for pavement recapping; For this reason, according to cement batcher of the present invention and measuring pump, can measure cement, lime, slag, cigarette ash or other powdered substance.Can also measure bituminous binder in addition, regenerate or emulsion.

Therefore, according to equipment of the present invention, owing to reused the material of old pavement, can save huge financial resources and energy, and can therefore avoid dual freight, that is to say and transport old pavement and ship the Master Cost that is used to overhaul the road surface, and avoid because the difficulty that this dual transport point brings; In fact the present invention can shorten the time limit of repairing the roads greatly.

According to another feature of the present invention, cement batcher is made up of a driving rotor that is installed in the pipe, is welded with some on this rotor circumference and can makes batching form cellular equidistant longitudinal rod.

The effect that is entirely satisfactory for this equipment is reached, cement batcher must be laid cement on the entire job width; Can consider to install a kind of can the distribution width adjustment arriving and the corresponding to valve system of operation width for this reason.

In addition, the gap between rotor and the pipe must reach Min., uncontrolledly flows out to avoid cement.

According to another feature of the present invention, the cement basin is furnished with the level detection instrument that is connected with the control room with water tank, so that arrestment running when water and cement are broken off.

The cement basin preferably also should have a level detection instrument, is used to continue to notify the loading situation of user of service's cement basin.

As the above-mentioned feature of pavement recapping equipment of the present invention, do more detailed explanation with reference to the accompanying drawings:

Fig. 1 is a whole side view of overhauling equipment;

Fig. 2 is the side view of second vehicle body.

According to Fig. 1, equipment of the present invention is the work of overhauling that is used to finish road surface (1).

The integral body of this equipment can move along the direct of travel shown in the arrow (A); Comprise first vehicle body (2) that wheel (20) is housed and one along and then second vehicle body (3) of first vehicle body (2) of direction shown in the arrow (A), second vehicle body is supported on the rolling mechanism (30) by a level jack (31).

According to diagram, first vehicle body (2) comprises three semitrailers (21) that connecting tractor (22); Certainly, when not exceeding the scope of the invention, its shape may be different.

Second vehicle body (3) belongs to the part from motor-car, comprises a motor (32) and a driver's cabin (33).

According to Fig. 1, the effect of first vehicle body (2) is that with accurate metering laying tack coat (4), tack coat marks And quantitative water supply (or other bituminous binders) with hatching in the drawings, so that be injected in the rotary wheel shell of vehicle body (3) on the entire job width of road surface (1).

The effect of second vehicle body (3) is, on the height of determining by the position of level jack (31) (h), destruction has covered road surface (1) the And of cement layer (4) with pavement breaking, smash into aggregate to pieces, and then stir evenly mix together, and at last it is laid on again on the road surface (1), form a predetermined thickness (H) layer.

According to diagram, first vehicle body (2) comprises the cement basin (6) of 20 tons of the water tank (5) of 15 cubic metres of average sizes and average sizes.

Water tank (5) is connecting a measuring pump (50) shown in the letter on Fig. 1, by a flow meter control that does not mark in the drawings, can water quantitatively be sent to lining, milling chamber (11) according to arrow (a).

A cement batcher (60) And is equipped with in the inside of cement basin (6) can go up the quantitative cement of distribution to tack coat (4) according to arrow (b); This cement batcher is formed ， And and had some equidistant longitudinal rods (63) on rotor (61) circumference by a driving rotor (61) that is installed in the pipe (62), is used for forming between bar cellular batching.An integral body like this should be built in firm mode, to guarantee the honeycomb amount.

Pipe (62) has a quick open system, in order to discharge the cellular batching that is formed by the bar (63) that is welded on the rotor (61).

In addition, the integral body of being made up of rotor (61) and longitudinal rod (63) must be installed in pipe (62) lining with minimum clearance, uncontrolledly flows out to avoid cement.

Cement batcher (60) is outwards to supply with cement by the performance of action of gravity and fluidized bed; The huge capacity of cement basin can make brings when the cement basin is carried cement that gas expands into but its And does not disturb the normal of cellular batching that is limited by rotor (61) and longitudinal rod (63) to form.

The rotation of rotor (61) and measuring pump (50) is by a control Electric Machine Control that does not illustrate in the drawings; Motor is connected control room (7), comprising a computer that is subjected to the influence of first vehicle body (2) gait of march, can control the cement and the water yield that offers every square metre on road surface (1) respectively according to the requirement of tack coat (4), gives the definiteness order to meet.

Control room (7) can make the operator control the accurate composition of road floor (4), and no matter the gait of march of first vehicle body how.

In addition, water tank (5) all is equipped with the horizontal detection instrument of the low level that is connected with the control room with cement basin (6), so that arrestment running when water and cement are broken off; In addition, the level detection instrument that is installed in cement basin (6) lining should be able to be reported the loading situation of cement basin continuously to the operator.

According to Fig. 2, second vehicle body (3) comprises with lower member, presses direct of travel and arranges backward in the past:

A Milling Machine (10) that is installed in the milling chamber (11),

A sizing fence (12) that is installed in back, milling chamber (11),

A mixing machine (13);

A rotary mixer (14);

A distributing auger device (15);

A smooth cutter (16).

Milling Machine (10) is made up of a driving tube perpendicular to direct of travel (A) (17), is welded with a conveyor screw (18) of forming with the extra-hard steel material above; This Milling Machine (10) has two groups of carbide teeth, and wherein one group of teeth (19) are welded on the circle of pipe, and another group teeth (23) are welded in the outside of conveyor screw (18).

Above-mentioned Milling Machine is rotatable in the housing (24) that limits milling chamber (11); This milling chamber comprises some milling cutters (25), and the free space between restriction housing (24) and the conveyor screw (18) is so that can loose material evener gentle.

The effect of Milling Machine (10) is: when second vehicle body (3) moved according to the direction of arrow (A), the teeth (19) (23) of Milling Machine (10) can go up at the height of being determined by the position of level jack (31) (h) and destroy the road surface (1) that be covered with the bonding bed of material (4); Like this, teeth just can go up milling and broken ground surface material and cement at this height (h); Then, the conveyor screw (18) of Milling Machine (10) sends back to material Shang the Wei Zhi of machine center line And with the powerful together mix of aggregate, cement and water.

Improve this mix that does not mark in the drawings as need, can give and add part water again in the front portion of milling chamber (11) earlier.

Derive from the aggregate of road surface (1), when handle the lining, thrown on the sizing fence (12) that is fixed on back, milling chamber (11) in milling chamber (11); This fence by some at a certain distance fixed interval, be similar to vertical bar strip mutually and form, be used to block massive material, when these massive materials are fallen the bottom of housing (24), again by Milling Machine (10) milling again.The pole clearance of sizing fence (12) is adjustable, to be fit to inhomogeneous material.

This sizing fence is known, and its back is with the mixing machine (13) that has to be parallel to Milling Machine (10), and this mixing machine is made up of the arm (26) that some are installed on the square drive axle (27).These arms (26) should be able to pass rotation between the bar strip of sizing fence when machine turns.

The effect of this mixing machine has two: on the one hand, can assist to clear up sizing fence (12), avoid putty between bar, make aggregate meet size; On the other hand, by stirring material, can stir evenly these aggregates from fence (12).

(14) ， And are to its feed, and mixer (14) is made up of an axle (28) longitudinally to direct of travel (A), and some arms that have interchangeable blade (34) (29) are housed on the axle with a rotary mixer is arranged in mixing machine (13) back; The setting of arm should be able to make it form a conveyor screw, and this conveyor screw is in powerful mix aggregate, and anti-arrow (A) direction is with the back of aggregate row to this equipment.The rotating speed of an accessory motor Control Shaft (28) that does not illustrate in the drawings can be regulated rotating speed in certain limit, so that the feature of the material of handling with need adapts.

The material of rotary mixer (14) discharge is delivered to the spiral distributor (15) of the axle (35) horizontal with respect to direct of travel; Spiral organ (15) is by a not shown hydraulic motor control.This spiral organ, the height of determining according to height-adjustable smooth cutter (H) is laid in the material that offers it on the road surface (1).

Laterally the speed of the axle (28) of spiral organ (15), smooth cutter (16) and mixer (14) is controlled from the road surface by the operator.

In addition, not shown in the drawings following situation, rotary mixer (14), distributing auger device (15) and smooth cutter (16), do as a whole, be installed on the balladeur train that can vertically move, (13) ， And clear up it so that can shift to sizing fence (12) and mixing machine.

Claims

1, can on the road surface, advance, the equipment of overhauling on road surface (1), can be at the cement-bonded material of upper berth, road surface one deck (4), and destruction road surface 25-30 millimeter, so that will stir evenly again after its fragmentation, mix, preferably it is layered on again on the road surface (1), this overhauls the equipment direct motion advance comprise a Milling Machine (10) that is installed in lining, milling chamber (11) advance direction, so that destroy the road surface that preparation is overhauled, this overhauls the consumption control section that equipment also has water and cement, it is characterized in that: the rotary mixer (14) of variable-ratio of axle (28) that direction vertically is installed in the downstream position of Milling Machine (10) is advanced in direct motion, this mixer (14) comprises some mixing pivoted arms, interchangeable blade (34) is housed on the top of arm, and forms conveyor screw, will mix row from the aggregate of Milling Machine (10) to the back.

2, according to the described pavement recapping equipment of claim 1, it is characterized in that: Milling Machine (10) is made up of a driving tube (17) of obviously installing perpendicular to direct of travel, be welded with a conveyor screw (18) on it, Milling Machine (10) comprises two groups of carbide teeth, wherein one group of teeth (19) are welded on the border of pipe (17), and another group teeth (23) are welded in the outside of conveyor screw (18).

3, according to the described equipment of overhauling of claim 1, it is characterized in that: comprise a sizing fence (12) that is installed in back, milling chamber (11).

4, according to the pavement recapping equipment of claim 1, it is characterized in that: comprise a mixing machine (13) that is installed in back, milling chamber (11), but and where necessary direct motion advance direction and be installed in the back of sizing fence (12) and the front of mixer (14).

5, according to the pavement recapping equipment of claim 1, it is characterized in that: comprise a distributing auger device (15) that is horizontally placed on the axle (35) of direct of travel, be installed in the back of mixer (14), so that lay the aggregate that comes from mixer, this distributing auger device (15) but with the combination of the smooth cutter (16) of a change in elevation, just can adjust the thickness of the aggregate that is layered on road surface (1) again.

6, the equipment of overhauling according to claim 5, it is characterized in that: distributing auger device (15), rotary mixer (14) and smooth cutter (16) form an integral installation on a balladeur train that can vertically move, so that can shift to sizing fence (12) and mixing machine (13).

7, the equipment of overhauling according to claim 1, it is characterized in that: comprise that one can be opened rapidly, and interior dress has the pipe (62) of the rotor (61) of bar (63), in order to can form cellular batching, so that regularly discharge these cellular batchings, and guarantee that metering is well-balanced.