CN105803908A - Integrated road-mixing solidified soil pavement construction equipment and process - Google Patents

Abstract

The invention relates to a road mixing solidified soil road surface construction technology and integrated construction equipment. The invention adopts the road mixing process, and is formed by stirring on the spot, and the cost is low. The integrated road surface construction equipment utilizing road mixing to solidify soil is simple in operation, energy-saving and environment-friendly. The invention can effectively promote the application of the construction technology of road mixing solidified soil pavement, and promote the development of rural roadway reconstruction.

Description

Integrated road mixing solidified soil pavement construction equipment and construction technology

Technical field

The invention relates to a road-mixed solidified soil pavement construction process and integrated construction equipment. The equipment and process have the advantages of on-site mixing and forming, simple construction, and low cost, and are suitable for rural lanes or field roads with little traffic load.

Background technique

Rural roads in my country generally use concrete pavement, which is difficult to extend to rural roadways due to high construction costs. There are many roadways in rural areas, and the investment is large. The roadbed road mixing process can be used to obtain local materials to achieve the goals of cost reduction, energy saving and environmental protection. At present, the curing agent is only used in the construction of road subgrade by road mixing method, while the general road mixing process is artificial distribution, which can ensure the uniformity of distribution, but there is a lot of dust in the distribution of mixing materials and mixing, which will pollute the nearby air It is more serious and has a greater impact on the surrounding environment, which is likely to cause conflicts with local residents and other shortcomings. Although there are fine material distributing machines, there are also disadvantages such as cumbersome operation, immature technology of the distributing machine itself, and easy material jams. The invention provides a low-cost road mixing solidified soil road surface construction technology and integrated construction equipment.

Contents of the invention

The invention provides a curing agent pavement construction process and equipment integrating spreading admixture, spraying curing agent and in-situ mixing, which can be used as a powder spreading machine and a mixing machine to improve uniformity and timely Mechanical spraying reduces the impact on the surrounding environment.

The technical scheme of the present invention is: integrated road mixing solidified soil road surface construction equipment, is made up of frame and original soil mixing system fixed on the frame, curing agent solution spraying system, cement spreading system and control device, is drawn by tractor and drive construction work,'

The frame is composed of a suspension frame, a soil retaining cover, a scraper and a dustproof cover 12, the suspension frame is the main frame, the soil retaining cover is fixed on the upper part of the main frame, and the scraper and dust cover is fixed on the top of the main frame. lower part;

The original soil mixing system is composed of main beam, gear box, side transmission box, support rod, cutter shaft, and rotary tiller. The main beam is fixed on the main frame, and the gear box and side transmission box are integrated. The main beam is connected, the gear box is connected with the cutter shaft on which the rotary tiller is fixed, and the whole system is connected with the tail of the tractor through the suspension frame at the front of the frame.

The front end of the upper part of the frame is fixed with a curing agent solution spraying system, which is composed of a liquid storage tank, a control valve, and a spraying pipe. Spraying holes are drilled at intervals between the spraying pipes, and the switch is controlled by a solenoid valve.

The cement spreading system is fixed at the upper and rear end of the frame, which is composed of a cement storage box, a stirring device, a spreading switch, and a cement spreading port. The stirring device is fixed in the cement storage box, and the cement spreading port is fixed at the lower part of the cement storage box. Or manual switch control.

The control device of the present invention is the bluetooth automatic control box, which is placed in the cab of the tractor to control the opening and closing of the cement and curing agent valves through the bluetooth, and at the same time, the opening degree of the valves can be adjusted.

The invention digs up the road in situ, spreads the cement, sprays the curing agent to dissolve and stirs, and finally compacts the road with a road roller to form a solidified soil road surface.

In the first construction of the present invention, half of the curing agent solution is sprayed, all the cement is sprinkled, and stirred; in the second construction: the remaining curing agent solution is sprayed, and stirred.

In the first construction of the present invention, half of the curing agent solution is sprayed, half of the cement is sprinkled, and stirred; in the second construction, the remaining curing agent solution is sprayed, the remaining cement is sprinkled, and stirred.

The beneficial effect of the present invention is that: the construction process of road mixing solidified soil pavement of the present invention can be mixed and formed on site, and the cost can be reduced. The integrated road mixing and solidifying soil pavement construction equipment of the present invention replaces manual spreading with machinery, reduces costs, saves energy and protects the environment, and has a simple and fast operation process, which is beneficial to the implementation of the road mixing process.

Description of drawings

Below in conjunction with accompanying drawing, the manufacturing method of building block of the present invention will be further described.

Figure 1 is a schematic diagram of integrated construction equipment for road mixing and solidifying soil pavement.

detailed description

Integrated road mixing and solidifying soil pavement construction equipment consists of a frame and a raw soil mixing system fixed on the frame, a curing agent solution spraying system, a cement spreading system and a control device, and is pulled and driven by a tractor for construction operations,’

The frame 1 is composed of a suspension frame, a soil retaining cover, a scraper and a dustproof cover 12, the suspension frame is the main frame, the soil retaining cover is fixed on the upper part of the main frame, and the scraper and dust cover is fixed on the main frame the lower part of;

The original soil mixing system 2 is composed of main beam, gear box, side transmission box, support rod, cutter shaft, and rotary cultivator. The main beam is fixed on the main frame, and the gear box and side transmission box are integrated. It is connected with the main beam, the gear box is connected with the cutter shaft on which the rotary tiller is fixed, and the whole system is connected with the tail of the tractor through the suspension frame at the front of the frame.

The front end of the upper part of the frame 1 is fixed with a curing agent solution spraying system, which is composed of a liquid storage tank 2, a control valve, and a spraying pipe 6. The spraying pipe 6 is drilled with watering holes at intervals, and the switch is controlled by a solenoid valve 7.

The cement spreading system is fixed at the upper rear end of the frame 1, which is composed of a cement storage box 8, a stirring device 9, a spreading switch 10, and a cement spreading port 11. The stirring device 9 is fixed in the cement storage box 8, and the cement spreading port 11 is fixed in the cement The bottom of the storage box 8 is controlled by an electromagnetic switch or a manual switch.

The control device of the present invention is the bluetooth automatic control box 4, which is placed in the cab of the tractor to control the opening and closing of the cement and curing agent valves through bluetooth, and the opening degree of the valves can be adjusted simultaneously.

The invention digs up the road in situ, spreads the cement, sprays the curing agent to dissolve and stirs, and finally compacts the road with a road roller to form a solidified soil road surface.

In the first construction of the present invention, half of the curing agent solution is sprayed, all the cement is sprinkled, and stirred; in the second construction: the remaining curing agent solution is sprayed, and stirred.

In the first construction of the present invention, half of the curing agent solution is sprayed, half of the cement is sprinkled, and stirred; in the second construction, the remaining curing agent solution is sprayed, the remaining cement is sprinkled, and stirred.

The basic construction process is:

① Material preparation: curing agent, cement, water.

②Mechanical preparation: tractor, integrated construction equipment for road mixing and solidifying soil pavement.

③Road pretreatment: plow the road with integrated construction equipment for road mixing, solidified soil and pavement.

④Spread the cement while stirring in situ, then spray the curing agent solution, and stir again. The cement and hardener solution are spread and sprayed in two equal passes to improve uniformity of application.

⑤ After compacting and leveling with a road roller, cover with film for curing.

Claims (8)

1. integrated road mix solidified earth Pavement Construction Equipment, it is characterised in that: dispensed system by frame and the original soil stirring system being fixed in frame, curing agent solution sprinkling system, cement and control device forms, by tractor-drawn and driving construction operation,

Described frame is connected to form by hanger bracket, Earthguard cover, scraper plate dust cover 12 of holding concurrently, and hanger bracket is main frame, and Earthguard cover is fixed on the top of main frame, and scraper plate dust cover of holding concurrently is fixed on the bottom of main frame;

Original soil stirring system is made up of girder, gear-box, side driving box, support bar, cutter shaft, rotary blade, girder is fixed on main frame, gear-box and side driving box are set to one, it is connected with girder by support bar, gear-box is connected with the cutter shaft being fixed with rotary blade, and whole system is connected with tractor rear by the hanger bracket of frame front.

2. upper rack is fixedly arranged at the front end with curing agent solution sprinkling system, is made up of reserving liquid tank, control valve, spray line, and spray line interval is drilled with water sprayering hole, controls switch by electromagnetic valve,

Upper rack rear end is fixed with cement and dispenses system, dispensed mouth formed by cement storage bin, agitating device, spreading switch, cement, agitating device is fixed on cement storage bin, and cement dispenses mouth and is fixed on the bottom of cement storage bin, is controlled by electromagnetic switch or hand switch.

3. integration road mix solidified earth Pavement Construction Equipment according to claim 1, it is characterized in that: control device and bluetooth automatic control box, it is placed on tractor cab, is closed by Bluetooth control cement, firming agent valve opening, simultaneously the open degree of adjustable valve.

4. the construction technology utilizing integration road mix solidified earth Pavement Construction Equipment as claimed in claim 1, it is characterised in that: road carrying out original place scarifying, dispenses cement, sprinkling firming agent is molten and stirs, and finally forms solidified earth road surface with road roller compacting.

5. the construction technology of integration road mix solidified earth Pavement Construction Equipment according to claim 3, it is characterised in that: first pass is constructed, and sprays half curing agent solution, dispenses whole cement, stirring；Second time construction: spray residue curing agent solution, stirring.

6. the construction technology of integration road mix solidified earth Pavement Construction Equipment according to claim 3, it is characterised in that: first pass is constructed, and sprays half curing agent solution, dispenses half cement, stirring；Second time construction, sprays residue curing agent solution, dispenses residue cement, stirring.

7. the construction technology of integration road mix solidified earth Pavement Construction Equipment according to claim 3, it is characterised in that: first pass is constructed, and sprays whole curing agent solution, dispenses whole cement, stirring；Second time construction, stirring.

8. the construction technology of integration road mix solidified earth Pavement Construction Equipment according to claim 3, it is characterised in that: first pass is constructed, stirring: second time construction, sprays whole curing agent solution, dispenses whole cement, stirring；3rd time construction, stirring.