JPH04504153A - Road surface regeneration device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to road surface regeneration.

Traditionally, in the United States, the company has been supplying road surface regeneration systems. This is already well known, and this regeneration system has a mobile road surface improvement device. , this device removes the material from the road surface by a rotating drum with cutting bits on the periphery. Remove paving material. This drum rotates and cuts the road surface in an upward direction. Cut the paving material into large pieces. These are fed into a conveyor, and this conveyor from the rear of the road improvement device to another mobile mechanism that moves behind this improvement device. It's long. This separate mechanism is arranged to pass relatively small pieces through the mixing means. The mixing means mixes the small fragments with the binder. . Large pieces are removed from the screen by means of a crusher, which is towed by a mobile mechanism. The crushed material from the crusher is returned to the mixer via screen means. Ru. There is another mobile mechanism behind the screen and crusher and mixer that The mechanism accepts the mixer mixture through another conveyor, and The compound is fed into a hopper from which the material is used to resurface the road surface. Supplied to the paving mechanism.

This system is very expensive and requires a series of moving mechanical mechanisms that are too long. This allows you to move the mechanisms in opposite directions without removing them from each other and without turning the mechanisms individually. While working on these mechanisms, it is important to It is necessary to reconnect these mechanisms. The present invention provides a road surface regeneration device. With this equipment, the regeneration and grinding of materials and the new supply are possible. , carried out by a single mobile mechanical mechanism that is relatively compact and easy to operate. .

Disclosure of the invention The present invention provides a road surface regeneration device, which includes: a mobile structure attached to a ground contacting means, the ground contacting means Supports the mobile structure for surface movement, which allows the mobile structure to move forward along the paved road. It is possible to advance attached to a mobile structure and when the mobile structure advances on a paved road; a pavement material modification that functionally acts to cut the road pavement material from the road surface; has a device; A road pavement that is attached to a mobile structure and is disconnected from the road by an improvement device. It has a pulverizer that accepts the loading material, The crushed material is removed from the pulverizer and the surface of the road where the pavement material is removed by the improvement equipment. and dispensing means for distributing onto the surface.

This road surface improvement device grows a rotating drum, and this rotating drum has a It is attached to a mobile structure with cutting elements attached to the sides, and is used for recycling equipment and modification. The drive means of the device rotates around a substantially horizontal axis that is oriented laterally in the direction of movement of the drive means. The driving means drives the drum in a direction that cuts downward into the road surface, and cuts the road surface. The paving material cut from the surface can be moved backwards in the direction of travel under the drum. preferable.

Additionally, the mobile structure includes a storage container that receives the ground material from the mill. , the dispensing means includes a conveyor, the conveyor transporting the ground material from the storage container to the storage container. Preferably, it is operable to transport the material from the road surface and to distribute the material onto the road surface.

The mobile structure distributes the paving material distributed by the conveyor onto the road surface. This conveyor usually carries the crushed material to a storage container or can be operated, but selectively, to distribute from the screed onto the road surface in front of the screed. The ground material from the storage container can be discharged from the rear of the regenerator.

Brief description of the drawing In order to explain the invention in more detail, one particular embodiment is illustrated in the accompanying drawings. It is. FIG. 1 is a side view and diagram of a road surface regeneration device constructed according to the present invention. 2 is a vertical cross-sectional view of the main parts of the road restoration device/equipment shown in Figure 1, and Figure 3 is a diagram. FIG. 2 is a cross-sectional view taken along line 3-3 of FIG.

BEST MODE FOR CARRYING OUT THE INVENTION The road surface regeneration device shown is a mobile main mechanical system designated 1 throughout. The movable main mechanical structure has front and and ground contact means in the form of rear crawler members 2,3. two The front crawler members 2 are arranged one on each side of this mechanical mechanism, and each Steering bogie 4 and crawler caterpillar with idle sprocket 5 on It has La 6. Each bogie 4 has a pile extending into the housing at the front end of the main mechanical structure 1. It is attached to 7. A pair of rear crawler members 3 are also provided, one on each side of this machine. They are placed one by one. Each rear member has a drive bolt attached to a stake 9. It has a gear 8 and is equipped with a sprocket 10 and a crawler caterpillar 11. I'm wearing it. Each of the drive bogies 8 has a spindle that drives a crawler caterpillar 11. It has a fluid motor linked to one of the sprockets, which allows This machine can move forward and backward along the road. Removing the rear crawler member The pegs 9 extend into the main machine frame structure 1. Both front pile 7 and rear pile 9 The pile incorporates a fluid ram that raises and lowers the main mechanical structure on the crawler member. If possible, the machine can be lifted high to move it from normal working conditions onto a lower loader. make it grow.

Hydraulic control for drive motors and steering gears, etc. not yet described Various machine components are located at the operator's location near the front end of the machine. The control console 12 is a central control console.

Between the front crawler member 2 and the rear crawler member 3, the main machine frame The drum 14 is equipped with a cutting member attached to the periphery of the drum. , attached to the structure 1 by a shaft 16 and extending laterally in the direction of movement of the machine. Rotate around the horizontal axis. Improved equipment drum, gearbox and clutch , pulley, and belt drive in the direction shown by arrow 17. Driven by a mechanism, as the improvement device moves forward along the surface of the paved road, The drum of the improvement equipment is installed on the road surface to cut the paving material from the road surface. Cut downwards. Larger sections of pavement can be cut by cutting downwards. The section is not lifted from the road surface and its fragments are removed by the cutter around the drum. It is gradually cut into smaller sizes determined by the spacing. Also, the dragon The drum and cutter break up the cut material to such an extent that the pieces pass under the drum.

Paving material that is cut from the pavement surface and passes backwards under the drum is indicated at 21. The packet elevator 21 lifts the material upwards to the rear and transfers it to the main engine at the rear upper part of the drum 14 of the improved device. The material is transferred to a pulverizer, indicated at 22, which is attached to the machine frame structure 1. Discharge. The packet elevator 21 has a lower idle sprocket 24 and a fluid motor. a drive chain 23 extending around a drive sprocket 25 driven at 26; - has a continuation of packets 30. Packet mechanism has bottom entrance In the elevator housing 27 having an opening 28 and an upper discharge opening 29 It is located in The lower end of the housing 27 has a scoop that protrudes downward and forward. forming a scoop-like extension 31 and scooping up the cut material into the elevator opening 28; and from there the material is packaged into the top of the elevator housing. and is discharged through an opening 29 to a pulverizer 22.

The pulverizer 22 may be configured like a conventional mixer. The pulverizer 22 is made of strong steel. It has a fine powder container 32 made of iron, and has an upper hatch and a bottom discharge opening at the rear end of the container 32. A section 34 is provided. The container of the pulverizer forms a rectangular pulverizer chamber, and inside this pulverizer , a double reversing paddle member 35 is attached. This paddle member is located at the front. from two parallel paddle shafts 37 extending rearward through the fine powder chamber. It has a paddle arm 36 that widens. A single-piece paddle door is installed in the center of the pulverizer room. the paddle arm protrudes between the arms of another member, and the two sets of paddle arms The action of the fluid motor 39 attached to the rear of the pulverizer container and the bell By driving the shaft 37 through the drive 41, the Reverse as shown. over the improved road material distributed into the powder chamber mix the material by agitating it with a gradually move it towards the rear of the powder chamber.

The improved paving material in the pulverizing chamber extends to the top of this pulverizing chamber rearward from the inlet. is sprayed into the powder chamber through a pipe manifold 42 which is Mixed with liquid binder of supplied aqueous bituminous emulsion be done. This emulsion is stored in a tank attached to the machine frame structure 1. Separation tanker driven from 45 or at the front or side of the improvement equipment to the pipe manifold. The auxiliary water supply manifold 44 is also located above the pulverizer room. The section is extended.

Auxiliary water is used when it is necessary to increase the water content of the mixture leaving the mill. It is possible to spray into the pulverizer room through the manifold.

The pulverized mixture of improved road material and emulsion is placed under the pulverizer and adjacent to the pulverizer. through the pulverizer inlet 34 to a surge storage container attached to the main mechanical structure 1. and fall. The storage container 51 has vertical front and rear walls 52, 53 and side walls 54. and the side walls 54 are inclined inwardly towards the sides of the machine towards the bottom outlet 55. It's slanted.

A belt conveyor 56 runs from the outlet 55 at the bottom of the storage container at the front to the rear of the machine. It is being extended. The conveyor 56 is attached to front and rear rollers 58, 59. The front roller is driven by an internal fluid motor 60. It is drivable and drives the conveyor belt in forward and backward directions. conveyor belt When the belt is driven forward, the conveyor belt moves the material into the surge storage container 51. conveyed from the bottom towards the front of the machine and removed by the paving material or improvement device 14; The material is dropped onto the surface 40 of the road. The front wall 52 of the storage container includes a sliding plate 61. , the sliding plate moves the storage container forward when the conveyor discharges the material from the storage container. raised by the action of a fluid ram 62 to vary the rate of supply of material from to be raised or lowered.

When the conveyor 57 conveys the material forward from the storage container, the conveyor 57 located under the conveyor and attached to the mechanical structure 1 via a pair of pivot arms 64. This material is discharged onto the road surface 40 in front of the screed member 63 being screeched. put out This screed member consists of a pair of helical augers that extend laterally across the machine. - 65 and the end adjacent to the rear of the auger 65 and extending horizontally to the machine is upward. It has a screed plate 66 with a curved leading edge 67. The auger is The parts are driven separately from each other via fluid motors, and the material is driven separately from the road before it finally solidifies. Spread the material placed in an area by a conveyor across the surface of the screen and It is made flat by the action of the dowel plate 66. The screed member is Apply weight to the pivot arm and flatten the ejected material.

The angle of action of the screed is determined by the action of the pair of fluid rams 71 on the pivot arm 6. This can be changed by raising or lowering the front end of 4. fluid ram 7 1 is pivotable on a protrusion 72 adjacent to the front end of the pivot arm 64. attached, the front end of this pivot arm 64 is attached to the main mechanical structure 1 It is provided with a pin 73 that engages with a vertical slide bar 74 which is attached to the vertical slide bar 74.

The front end of the pivot rod 74 is thus held at the height set by the ram 71, Although free to swing about pivot joint 72, the substantial The traction force is transmitted to the machine frame by the bin 73 and rod 74. two An auxiliary fluid ram 75 is connected between the machine frame and the screed member and The reed member is raised a considerable distance from the road surface for transport.

The rear wall 53 of the surge storage device 51 has an open passage 81 to the rear and is connected to the conveyor 57. The reverse action allows rapid evacuation of material from the rear of the storage device. in this way , the material can be dropped directly into a pile or in an area behind the machine. aircraft to drop the material or transfer it to another means of transportation for transporting the material to another location. It may be discharged into an elevator that carries it to the rear of the machine.

A pair of wing platforms 82 project from the rear of the screed member. . Motorists stand on one of these platforms and use recycled material road finishing surfaces. Perform inspections. The remote control controls the conveyor 57 and feed adjustment pump. A pump 62 may be provided at this location for control of the screed regulating pump.

The surge storage device 51 has a capacity sufficient to transport the amount of paving material, and the amount of paving material is , of the paved road corresponding to the distance between the improved drum 14 and the screed member 63. Cut from the length of the surface. This allows the material to be discharged onto the part of the road being removed. It can be brought forward at the beginning of the improvement process until it becomes functional. like this In conventional machinery, which is not equipped with suitable surge storage equipment, The quality is continuously discharged and at the start of the driving operation, the material is removed from the unimproved portion of the road. Dropped in and practically need to be collected. The capacity of this storage container is approximately 15 Sufficient to accommodate material cut from roads with pavement thicknesses up to 0 mm . A typical machine has a cutting width of 2m and a cutting width of approximately 3.3m between the improvement equipment and the screed. It may have an effective distance. For a pavement thickness of 150 mm, the minimum capacity is approx. 2.22 tons, in which case the storage vessel typically has a capacity of approximately 3 tons. You can.

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Claims (13)

[Claims] 1. A road surface regeneration device, a mobile structure attached to a ground contacting means, said ground contacting means being attached to a ground contacting means; supporting said mobile structure for surface movement, thereby allowing said structure to move along a paved road; It is possible to move forward, attached to said mobile structure, and said mobile structure advances on a paved road. A pavement that acts functionally to cut road paving material from the road surface when It has a loading material improvement device, attached to said mobile structure and disconnected from the road by said improving device; has a pulverizer that accepts road paving material; The crushed material is removed from the pulverizer and the paving material is removed by the improving device. A road surface regeneration device having a dispensing means for dispensing onto the road surface. 2. The road surface improvement device includes a rotating drum, the rotating drum comprising a drum. A cutting member is attached to the periphery of the regenerating device and the movable structure. and the movement of the drive means of the improved device rotates about a generally horizontal axis oriented laterally, said The drive means drives the drum in a direction so as to cut downward into the road surface, thereby cutting the road surface. claim that the paving material cut from the surface of the drum moves backwards in the direction of travel under the drum. Item 1. The road surface regeneration device according to item 1. 3. The pulverizer has an inlet for the material to be pulverized, and the inlet is connected to the improvement device. located at the upper rear of the cutting drum, and an elevator is placed above the movable structure. and the elevator passes rearwardly under the drum of the improvement device. 3. A method according to claim 2, further comprising: receiving improved paving material and conveying the material to an inlet of said pulverizer. The described road surface improvement device. 4. The mobile structure supplies liquid binder to the improved material within the mill. a binder supply device, the binder being mixed with the binder as the material is ground; The road surface regeneration device according to any one of claims 1 to 3. 5. The mobile structure has a storage container for receiving the ground material from the mill. , the dispensing means comprises a conveyor, the conveyor conveying the ground material to a storage container; 2. The material of claim 1 is operable to transport the material from the container and dispense said material onto a road surface. 4. The road surface regeneration device according to any one of Items 4 to 4. 6. The conveyor has a drive means, the drive means driving the conveyor at a variable speed. The road surface regeneration device according to claim 5, which is capable of driving a road surface regeneration device. 7. The mobile structure transports the crushed material distributed by the conveyor onto the road. A road surface according to claim 5 or 6, having a screed for distributing on the surface. playback device. 8. The storage container has a length of road corresponding to the distance between the improvement device and the screed. Pavement thickness greater than or equal to sufficient to accommodate the amount of improved crushed material from the pavement surface 8. The road surface regeneration device according to claim 7, having a capacity of . 9. The conveyor typically transports the ground material from a storage container to the front of the screed. operable to distribute onto the road surface, optionally at the rear of said regeneration device; The road surface regeneration device according to claim 7, wherein the road surface regeneration device is operable to release the crushed material from the storage container. Place. 10. The conveyor is arranged longitudinally with respect to the direction of movement into an opening in the bottom of the storage container. An extended conveyor belt and usually starts the grinding from the bottom of the storage container. feeding the material forward and discharging the material from the front end of the conveyor onto the road surface; but optionally working in the opposite direction to discharge the crushed material from the rear of said conveyor. The road surface regeneration device according to any one of claims 5 to 9, which is movable. 11. The storage container has a slide that can be raised and lowered in front of the bottom opening. and the slide adjusts the feed rate of the crushed material to the conveyor. 11. The road surface regeneration device according to 10. 12. a door at the rear of the storage container, the door being in reverse operation of the conveyor; The road according to claim 10 or 11, capable of increasing the amount of pulverized material discharged to the rear. Surface regeneration equipment. 13. The road surface improvement device includes: It has a rotating drum, and the rotating drum moves with a cutting member attached to the periphery of the drum. the method of moving the driving means of the regeneration device and the improvement device; rotating about a substantially horizontal axis in a transverse direction, said driving means being lowered onto the surface of the road; Pavement cut from the road surface by driving the drum in a direction that cuts in the direction of the road. The material moves backwards in the direction of travel under the drum, and the pulverizer an inlet, the inlet being disposed toward the rear and upper side of the cutting drum of the improvement device. and an elevator above the mobile structure, the elevator being above the modified structure. Receive the improved paving material passing backwards under the well-equipped drum and conveying the powder to an inlet of the pulverizer, the pulverizer being attached to the mobile structure; said storage container receiving ground material from said pulverizer. Put it in, a screed in which said mobile structure is normally located below said pulverizer and storage container; and the dispensing means is related to the direction of movement between the storage container and the screed. a belt conveyor extending longitudinally through the bottom opening of the storage container; Usually, the ground material is sent forward from the bottom of the storage container, and the front end of the conveyor from the screed onto the road surface in front of the screed, but selectively Reverse direction to discharge the crushed material from the rear end of said conveyor behind the screed The road surface regeneration device according to claim 1, wherein the road surface regeneration device is operable to.