CN111851220A - Paving road roller for plateau frozen soil construction and use method - Google Patents
Paving road roller for plateau frozen soil construction and use method Download PDFInfo
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- CN111851220A CN111851220A CN202010735904.4A CN202010735904A CN111851220A CN 111851220 A CN111851220 A CN 111851220A CN 202010735904 A CN202010735904 A CN 202010735904A CN 111851220 A CN111851220 A CN 111851220A
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- paving
- saw blade
- roller
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/488—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with rollers for consolidating or finishing combined with tamping, vibrating, pressing or smoothing consolidation or finishing means
Abstract
The invention belongs to the technical field of road construction, and particularly discloses a paving road roller for plateau frozen soil construction and a using method thereof, wherein the paving road roller comprises an antifreeze solution storage cavity, a hydraulic cylinder, a coarse sand storage cavity and a fine sand storage cavity; the device is characterized by further comprising a vehicle connecting frame, a baffle, an antifreeze distributor, an antifreeze distributing pipe, a saw blade I, a telescopic rod, a saw blade II, a hydraulic telescopic rod, a rotating door, a material storage bottom plate, a fine sand distributor, a saw blade III, a road roller, a main body frame, a heating plate, a fine sand storage cavity, a moisture outlet, a conveying rotating plate, a telescopic shaft, a motor, a paving road roller control system, a conveying roller, a telescopic conveying belt, a driven wheel and a sand pump; this scheme simple structure, the high efficiency of unloading can accelerate the construction progress greatly.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to a paving road roller for plateau frozen soil construction.
Background
The Qinghai-Tibet plateau frozen soil refers to various rocks and soils with ice below zero degrees Centigrade. Generally, it can be classified into short-term frozen soil (hours/days or more to half a month), seasonal frozen soil (half a month to several months), and perennial frozen soil (years to tens of thousands of years or more). The area of permafrost, seasonal frozen soil and short term frozen soil areas on the earth occupies about 50% of the land area, wherein the area of permafrost occupies 25% of the land area. The frozen soil is a soil body medium which is extremely sensitive to temperature and contains abundant underground ice. Thus, frozen earth has rheological properties, with long-term strength far below the transient strength characteristics. Due to these characteristics, the construction of engineering structures in frozen soil areas must face two major risks: frost heaving and thaw sinking. As the climate warms, frozen earth is constantly degrading.
The special patent CN022236864 in the prior art discloses a self-propelled vibratory roller suitable for plateau areas, it includes the driver's cabin, control system, control console, front frame, back frame, hydraulic system, electrical apparatus system, vibrating wheel, etc., characterized by that the said engine has set up the high-power starter motor, low-temperature start the preheating device, the engine air inlet has set up the tertiary filter equipment of air prefilter, air coarse filter and air fine filter, the engine bonnet is designed into the side-opening type, its left side cover and right side cover are equipped with the air spring that can be opened automatically; the cab adopts a full-sealed structure, window glass is ultraviolet-proof glass, and a refrigerating and heating device is arranged in the cab; the control panel is provided with an acousto-optic automatic alarm device connected with an electrical system; the outer surfaces of the exposed rubber part and the rubber pipe are coated with ultraviolet-proof paint. The utility model discloses a special needs and the improvement of going on according to the plateau area have guaranteed road roller and navigating mate at this area normal work betterly.
Patent CN201820327613X, a device is evenly spread with grit in road surface construction is disclosed, the center pin swing joint of member and cylinder is passed through to the side of feed bin, the inside hollow structure that is of cylinder, the fixed striker plate that is provided with in cylinder and the member junction outside, the side of cylinder is equipped with the through-hole, the through-hole passes through the rubber sealing plug and seals, the surface of cylinder is equipped with the bar recess, the bottom of bar recess is equipped with the micropore that is the matrix arrangement, be equipped with the arc with it joint in the bar recess, the rear that is located spiral paver is equipped with the right angle C shaped plate, there is the pull board vertical inboard of right angle C shaped plate through spring fixedly connected with. Water or other fluid can be filled into the roller, so that the weight of the roller is increased, and the function of integrating the paver and the road roller is achieved; the arc-shaped plate on the roller can be removed, and water flow is sprayed out for cooling the pavement in high-temperature weather; and the two sides of the roller are provided with the material baffle plates for preventing gravels with certain thickness from being extruded to the two sides of the paver when the gravels are rolled. However, the road roller in the prior art is not suitable for the construction environment of plateau frozen soil, and the water in the uniform gravel paving device for road surface construction in patent CN201820327613X can be frozen into ice blocks in a low-temperature environment, and cannot be operated normally.
The paving road roller for the plateau frozen soil construction is not provided in the prior art, the plateau frozen soil pavement has rheological property, the long-term strength of the plateau frozen soil pavement is far lower than the instantaneous strength characteristic, the plateau frozen soil pavement is generally constructed in a low-temperature environment, the construction progress is slow, the paving road roller for the plateau frozen soil construction is not provided, and the problems that the construction is difficult in the plateau frozen soil construction process and the construction progress is difficult to accelerate can not be solved.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the paving road roller for plateau frozen soil construction and the use method are provided, and the technical problems that in the prior art, a plateau frozen soil pavement has rheological property, the long-term strength of the plateau frozen soil pavement is far lower than the instantaneous strength characteristic, the construction is generally selected under a low-temperature environment, the construction progress is slow, a paving road roller for plateau frozen soil construction is not provided, the construction difficulty in the plateau frozen soil construction process cannot be solved, and the construction progress is difficult to accelerate are solved.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a paving road roller for plateau frozen soil construction, which comprises an antifreeze solution storage cavity, a hydraulic cylinder, a coarse sand storage cavity and a fine sand storage cavity, wherein the antifreeze solution storage cavity is arranged on the hydraulic cylinder; the device is characterized by further comprising a vehicle connecting frame, a baffle, an antifreeze distributor, an antifreeze distributing pipe, a saw blade I, a telescopic rod, a saw blade II, a hydraulic telescopic rod, a rotating door, a material storage bottom plate, a fine sand distributor, a saw blade III, a road roller, a main body frame, a heating plate, a fine sand storage cavity, a moisture outlet, a conveying rotating plate, a telescopic shaft, a motor, a paving road roller control system, a conveying roller, a telescopic conveying belt, a driven wheel and a sand pump; the vehicle connecting frame is used for connecting a vehicle for providing power, and is arranged at one end outside the paving roller for plateau frozen soil construction; the baffle is arranged at the bottom of the paving road roller for plateau frozen soil construction and is used for ensuring the flatness of a road surface; the anti-freezing solution storage cavity is arranged at one end inside the paving roller for plateau frozen soil construction, an anti-freezing solution distributor is arranged at the lower end of the anti-freezing solution storage cavity, and the anti-freezing solution distributor is connected with an anti-freezing solution distribution pipe; the hydraulic cylinder is arranged inside the paving road roller for plateau frozen soil construction, and the lower part of the hydraulic cylinder is connected with a first saw blade, a telescopic stick and a second saw blade; the coarse sand storage cavity is arranged inside the paving road roller for plateau frozen soil construction, one side of the lower part of the coarse sand storage cavity is provided with a telescopic shaft, one end of the telescopic shaft is connected with a motor arranged on the paving road roller for plateau frozen soil construction, the other end of the telescopic shaft is connected with a conveying rotating plate, the conveying rotating plate is arranged in the coarse sand storage cavity, the lower part of the coarse sand storage cavity is opened, a rotating door is arranged on the lower part opening and is used for opening and closing the opening, only a conveying roller capable of rotating in the highland is arranged on the rotating door, one end, far away from the lower part opening, of the rotating door is provided with a hydraulic telescopic rod, and the hydraulic telescopic rod is connected to the paving road roller for frozen; a heater is arranged on the inner wall surface of the coarse sand storage cavity, and a moisture outlet is arranged on the inner part of the coarse sand storage cavity; the fine sand storage cavity is arranged inside the paving road roller for plateau frozen soil construction, a heat insulation layer is arranged outside the fine sand storage cavity, a moisture outlet is arranged at the upper part of the fine sand storage cavity, a fine sand distributor is connected to the lower part of the fine sand storage cavity, a sand pump is arranged on a pipeline of the fine sand distributor, and a heating plate is arranged at the lower part of the fine sand storage cavity; the saw blade III is arranged on one side of the lower part of the paving road roller for plateau frozen soil construction; the number of the road rollers is two, and the two road rollers are respectively arranged on two sides of the bottom of the paving road roller for plateau frozen soil construction. The paving road roller for plateau frozen soil construction with the structure can simultaneously complete paving operation of coarse sand and fine sand on a road surface, and can greatly accelerate construction progress; in the plateau frozen soil construction environment, the antifreeze distributor under the antifreeze storage cavity can be started, and the coarse sand and the fine sand can be paved in the plateau frozen soil environment, so that the adaptability of the construction machine environment is further enhanced.
Further, the hydraulic system of the paving road roller comprises a first saw blade and first hydraulic transmission rod, a second saw blade and second hydraulic transmission rod, a first telescopic rod and a second telescopic rod, a second saw blade and first hydraulic transmission rod, a second saw blade and second hydraulic transmission rod, a third saw blade and first hydraulic transmission rod and a third saw blade and second hydraulic transmission rod; the lower parts of the eight hydraulic transmission rods are connected with flow feedbacks which are used for feeding back a paving roller control system, the paving roller control system adjusts the opening degrees of a secondary control valve and a main control valve according to the flow signals, the main control valve is arranged on a main pipeline, and the secondary control valve is arranged on a branch pipeline; a flow equalizer is arranged on the main pipeline; a plurality of branches are arranged in the flow equalizer, and the flow equalizer internally comprises a first return heater, a temperature sensor, a flow balance valve, a flow limiting check valve and a second return heater; the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a first return heater and a temperature sensor, a flow limiting check valve is arranged on the main pipeline inside the flow equalizer, the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a flow balancing valve, and the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a second return heater; hydraulic oil in the hydraulic oil cavity enters a main pipeline through a one-way valve and a hydraulic pump; the second return heater is connected with a main control valve and an auxiliary control valve through a fixing plate; the main control valve is connected with a second header; the auxiliary control valve is connected with a first header; the main control valve is connected with a first hydraulic transmission rod of the telescopic stick and a second hydraulic transmission rod of the telescopic stick; the second header box is connected with a first hydraulic transmission rod of the saw blade, a second hydraulic transmission rod of the saw blade and a first hydraulic transmission rod of the telescopic rod; the auxiliary control valve is connected with a saw blade third first hydraulic transmission rod and a saw blade third second hydraulic transmission rod, and the first header box is connected with a saw blade second first hydraulic transmission rod, a saw blade second hydraulic transmission rod and a saw blade third first hydraulic transmission rod. Adopt the road roller hydraulic system that paves of this application, can control the high-efficient distribution and the output that are adapted to the hydraulic oil of this application to can pave according to the road surface and press the flexible of road demand control saw bit one, flexible rod, saw bit two, saw bit three, can be on the road surface by the coworkers that the road roller was paved, cut the road surface, prevent the road surface fracture after the plateau road surface expend with heat and contract with cold, greatly increased the life on road surface.
Further, the paving roller control system comprises an antifreeze control system, a fine sand paving control system, a coarse sand paving control system and a saw blade adjusting control system, wherein the antifreeze control system receives a fine sand paving control system starting signal and a paving roller moving signal, and controls the antifreeze control system to be started and closed; the anti-freezing solution control system also receives a coarse sand paving control system starting signal and a paving road roller moving signal; the antifreeze control system also receives a temperature sensor signal, and the temperature sensor is arranged on the paving road roller and used for detecting the ambient temperature.
Further, the coarse sand paving control system receives a coarse sand starting button signal, and the coarse sand paving control system controls the hydraulic telescopic rod 8 to stretch; the coarse sand paving control system controls the telescopic shaft and the conveying rotating plate to be opened and closed, and the coarse sand paving control system also controls the heating plate to be opened and closed.
Further, the fine sand paving control system receives a fine sand starting button signal, and controls the sand pump to be turned on and off; the fine sand paving control system also controls the opening and closing of the heating plates. The heating plate is arranged, so that the water condensed in coarse sand and fine sand under the high-altitude low-temperature environment can be prevented from condensing into ice, the pavement cracking caused by the condensation of the water contained in the coarse sand and the fine sand paved on the pavement can be prevented, and the service life of the highway is greatly prolonged.
The saw blade adjusting and controlling system receives a moving signal of the paving road roller, the saw blade adjusting and controlling system controls the starting of the hydraulic cylinder, and the saw blade further controls the stretching of a saw blade first hydraulic transmission rod, a saw blade second hydraulic transmission rod, a telescopic roller first hydraulic transmission rod, a telescopic roller second hydraulic transmission rod, a saw blade third first hydraulic transmission rod and a saw blade third hydraulic transmission rod. By adopting the control system of the paving road roller, different systems can be controlled to be matched according to different construction progress, and when coarse sand is paved, related structures of the coarse sand, the saw blade and the anti-freezing solution can be started, so that the paving road roller of the coarse sand on the road surface in the frozen soil environment of the plateau can be quickly completed; after the coarse sand is paved, the same equipment can continue to pave the fine sand, the related structures of the fine sand, the saw blade and the antifreeze can be opened, and the paving and road pressing of the fine sand on the road surface in the frozen soil environment of the plateau can be quickly completed.
Further, the use method of the paving roller for plateau frozen soil construction comprises the following specific steps:
(1) and pavement pretreatment: pretreating the foundation of a constructed pavement, and cleaning shrubs and weeds in the land range of the foundation;
(2) and arranging a coarse sand layer: starting a coarse sand paving control system, controlling the expansion and contraction of the hydraulic telescopic rod 8, and opening and closing the telescopic shaft and the conveying rotary plate, and paving and road-pressing construction along with the advancing of the paving road roller; the heating plate and the antifreeze solution control system can also be started;
(3) and arranging a fine sand layer: starting a fine sand paving control system, and controlling the opening and closing of a sand pumping pump; the heating plate and antifreeze control system can also be activated.
Further, before the coarse sand layer is arranged, the saw blade adjusting and controlling system is started to debug the saw blade system, the saw blade adjusting and controlling system controls the starting of the hydraulic cylinder, and the saw blade adjusting and controlling system controls the extension and retraction of the eight hydraulic transmission rods.
Furthermore, the arrangement of the coarse sand layer can be repeated for a plurality of times until the laid coarse sand layer meets the requirements of construction standards; the arrangement of the fine sand layer can be repeated for a plurality of times until the laid fine sand layer meets the requirements of construction standards. By adopting the construction method, the coarse sand and the fine sand on the plateau frozen soil environment road surface can be quickly paved, the construction time is greatly saved, and the construction progress is accelerated.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
in order to solve the technical problems that in the prior art, the plateau frozen soil pavement has rheological property, the long-term strength of the plateau frozen soil pavement is far lower than the instantaneous strength characteristic, the plateau frozen soil pavement is generally constructed in a low-temperature environment, the construction progress is slow, a paving road roller for plateau frozen soil construction is not provided, and the construction difficulty in the plateau frozen soil construction process and the construction progress difficulty are difficult to accelerate are not solved. In the prior art, the plateau frozen soil pavement has rheological property, the long-term strength of the plateau frozen soil pavement is far lower than the instantaneous strength characteristic, the plateau frozen soil pavement is generally constructed in a low-temperature environment, the construction progress is slow, a paving road roller for plateau frozen soil construction is not provided, and the technical problems that the plateau frozen soil construction is difficult to construct and the construction progress is difficult to accelerate can not be solved. The invention can realize the following technical effects: the paving road roller for plateau frozen soil construction is simple in structure, capable of working together with paving and road rolling, high in construction progress and capable of completing paving operation of coarse sand and fine sand on a road surface simultaneously and greatly accelerating construction progress; in the plateau frozen soil construction environment, the antifreeze distributor under the antifreeze storage cavity can be started, and the coarse sand and the fine sand can be paved in the plateau frozen soil environment, so that the adaptability of the construction machine environment is further enhanced.
(2) The pavement roller hydraulic system can control the high-efficiency distribution and the output of the hydraulic oil, and can control the expansion of the first saw blade, the second telescopic stick, the third saw blade according to the pavement roller demand, can cut the pavement by the pavement roller, prevents the pavement crack after the thermal expansion and the cold contraction of the plateau pavement, and greatly prolongs the service life of the pavement.
(3) The paving road roller control system can control different systems to be matched according to different construction progress, and can open related structures of coarse sand, saw blades and anti-freezing solution when coarse sand is paved, so that paving road roller of the coarse sand on the road surface in a frozen soil environment of the plateau can be quickly completed; after the coarse sand is paved, the same equipment can continue to pave the fine sand, the related structures of the fine sand, the saw blade and the antifreeze can be opened, and the paving and road pressing of the fine sand on the road surface in the frozen soil environment of the plateau can be quickly completed.
(4) By adopting the construction method, the coarse sand and the fine sand on the plateau frozen soil environment road surface can be paved quickly, the construction time is greatly saved, and the construction progress is accelerated.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a prior art self-propelled vibratory roller suitable for use in high terrain;
FIG. 2 is a prior art uniform gravel paving device for pavement construction;
FIG. 3 is an inner front view of the paving roller for plateau frozen soil construction of the present invention;
FIG. 4 is a partial schematic view I of a paving roller for plateau frozen soil construction according to the present invention;
FIG. 5 is a partial schematic view of a paving roller for plateau frozen soil construction according to the present invention;
FIG. 6 is a schematic view of a part of a paving roller for plateau frozen soil construction according to the present invention;
FIG. 7 is a schematic view of a paving roller hydraulic system of the present invention;
FIG. 8 is a physical connection diagram of the hydraulic system of the paving roller of the present invention;
FIG. 9 is a diagram of a paving roller control system of the present invention;
FIG. 10 is a flow chart of a paving roller construction method of the present invention;
in the figure: a vehicle connecting frame-1, a baffle-2, an antifreeze distributor-3, an antifreeze distributing pipe-4, a saw blade-5, a telescopic rod-6, a saw blade-7, a hydraulic telescopic rod-8, a rotating door-9, a material storage bottom plate-10, a fine sand distributor-11, a saw blade-12, a road roller-13, a main body frame-14, a heating plate-15, a fine sand storage cavity-16, a wet gas outlet-17, a coarse sand storage cavity-18, a conveying rotating plate-19, a telescopic shaft-20, a motor-21, a hydraulic cylinder-22, a paving road roller control system-23, an antifreeze storage cavity-24, a conveying roller-25, a telescopic conveying belt-26, a driven wheel-27, a sand pump-28, A saw blade first hydraulic transmission rod-29, a saw blade first hydraulic transmission rod-30, a telescopic stick first hydraulic transmission rod-31, a telescopic stick second hydraulic transmission rod-32, a saw blade second first hydraulic transmission rod-33, a saw blade second hydraulic transmission rod-34, a saw blade third first hydraulic transmission rod-35, a saw blade third second hydraulic transmission rod-36, a flow feedback device-37, a secondary control valve-38, a main control valve-39, a first return heater-40, a temperature sensor-41, a flow balance valve-42, a flow limiting check valve-43, a flow equalizer-44, a second return heater-45, a motor-46, a hydraulic pump-47, a check valve-48, a hydraulic oil cavity-49, a fixing plate-50, a first header-51, a second header-51, a first header-36, a second header-36, A second header tank-52.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 3, 4, 5 and 6, the invention provides a paving roller for plateau frozen soil construction, which comprises an antifreeze solution storage cavity 24, a hydraulic cylinder 22, a coarse sand storage cavity 18 and a fine sand storage cavity 16; the anti-freezing device is characterized by further comprising a vehicle connecting frame 1, a baffle plate 2, an anti-freezing solution distributor 3, an anti-freezing solution distributor pipe 4, a first saw blade 5, a telescopic rod 6, a second saw blade 7, a hydraulic telescopic rod 8, a rotating door 9, a material storage bottom plate 10, a fine sand distributor 11, a third saw blade 12, a road roller 13, a main body frame 14, a heating plate 15, a fine sand storage cavity 16, a moisture outlet 17, a conveying rotating plate 19, a telescopic shaft 20, a motor 21, a paver control system 23, a conveying roller 25, a telescopic conveying belt 26, a driven wheel 27 and a sand pump 28; the vehicle connecting frame 1 is used for connecting a vehicle for providing power, and the vehicle connecting frame 1 is arranged at one end of the outer part of the paving roller for plateau frozen soil construction; the baffle 2 is arranged at the bottom of the paving road roller for plateau frozen soil construction and is used for ensuring the flatness of a road surface; the anti-freezing solution storage cavity 24 is arranged at one end inside the paving roller for plateau frozen soil construction, the lower end of the anti-freezing solution storage cavity 24 is provided with an anti-freezing solution distributor 3, and the anti-freezing solution distributor 3 is connected with an anti-freezing solution distribution pipe 4; the hydraulic cylinder 22 is arranged inside the paving road roller for plateau frozen soil construction, and the lower part of the hydraulic cylinder 22 is connected with a first saw blade 5, a telescopic stick 6 and a second saw blade 7; the coarse sand storage cavity 18 is arranged inside the pavement roller for plateau frozen soil construction, one side of the lower part of the coarse sand storage cavity 18 is provided with a telescopic shaft 20, one end of the telescopic shaft 20 is connected with a motor 21 arranged on the pavement roller for plateau frozen soil construction, the other end of the telescopic shaft 20 is connected with a conveying rotary plate 19, the conveying rotary plate 19 is arranged in the coarse sand storage cavity 18, the lower part of the coarse sand storage cavity 18 is provided with an opening, the opening of the lower part is provided with a rotary door 9 for opening and closing of the opening, the rotary door 9 is provided with only a rotatable conveying roller 25, one end of the rotary door 9, which is far away from the opening of the lower part, is provided with a hydraulic telescopic rod 8, and the hydraulic telescopic rod 8 is connected to the pavement roller for plateau frozen soil construction; a heater is arranged on the inner wall surface of the coarse sand storage cavity 18, and a moisture outlet is arranged on the inner part of the coarse sand storage cavity 18; the fine sand storage cavity 16 is arranged inside the paving road roller for plateau frozen soil construction, a heat insulation layer is arranged outside the fine sand storage cavity 16, a moisture outlet 17 is arranged at the upper part of the fine sand storage cavity 16, a fine sand distributor 11 is connected to the lower part of the fine sand storage cavity 16, a sand pump 28 is arranged on a pipeline of the fine sand distributor, and a heating plate 15 is arranged at the lower part of the fine sand storage cavity 16; the third saw blade 12 is arranged on one side of the lower part of the paving road roller for plateau frozen soil construction; the number of the road rollers 13 is two, and the two road rollers are respectively arranged on two sides of the bottom of the paving road roller for plateau frozen soil construction.
Furthermore, the first saw blade, the second saw blade and the third saw blade can be toothless saw blades and slotted saw blades and are made of diamond materials.
The conveyor roller 25 may also be connected to a motor (not shown) to accelerate the conveyance of the grit; the motor is connected to paving roller control system, and after the coarse sand start button starts, also start the motor for the motion of conveying roller.
Referring to fig. 7 and 8, in fig. 7, the hydraulic system of the paving roller includes a first hydraulic transmission rod 29 for a saw blade, a second hydraulic transmission rod 30 for a saw blade, a first hydraulic transmission rod 31 for a telescopic stick, a second hydraulic transmission rod 32 for a telescopic stick, a second first hydraulic transmission rod 33 for a saw blade, a second hydraulic transmission rod 34 for a saw blade, a third first hydraulic transmission rod 35 for a saw blade, and a third second hydraulic transmission rod 36 for a saw blade; the lower parts of the eight hydraulic transmission rods are connected with flow feedbacks which are used for feeding back a paving roller control system, the paving roller control system adjusts the opening degrees of a secondary control valve and a main control valve according to the flow signals, the main control valve is arranged on a main pipeline, and the secondary control valve is arranged on a branch pipeline; a flow equalizer is arranged on the main pipeline; a plurality of branches are arranged in the flow equalizer, and the flow equalizer internally comprises a first return heater, a temperature sensor, a flow balance valve, a flow limiting check valve and a second return heater; the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a first return heater and a temperature sensor, a flow limiting check valve is arranged on the main pipeline inside the flow equalizer, the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a flow balancing valve, and the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a second return heater; hydraulic oil in the hydraulic oil cavity enters a main pipeline through a one-way valve and a hydraulic pump; the second return heater is connected with a main control valve and an auxiliary control valve through a fixing plate; the main control valve is connected with a second header; the auxiliary control valve is connected with a first header; the main control valve is connected with a first hydraulic transmission rod of the telescopic stick and a second hydraulic transmission rod of the telescopic stick; the second header box is connected with a first hydraulic transmission rod of the saw blade, a second hydraulic transmission rod of the saw blade and a first hydraulic transmission rod of the telescopic rod; the auxiliary control valve is connected with a saw blade third first hydraulic transmission rod and a saw blade third second hydraulic transmission rod, and the first header box is connected with a saw blade second first hydraulic transmission rod, a saw blade second hydraulic transmission rod and a saw blade third first hydraulic transmission rod.
Referring to fig. 9, the paving roller control system includes an antifreeze control system, a fine sand paving control system, a coarse sand paving control system, and a saw blade adjusting control system, wherein the antifreeze control system receives a fine sand paving control system start signal and a paving roller movement signal, and controls the antifreeze control system to open and close; the anti-freezing solution control system also receives a coarse sand paving control system starting signal and a paving road roller moving signal; the antifreeze control system also receives a temperature sensor signal, and the temperature sensor is arranged on the paving road roller and used for detecting the ambient temperature.
The coarse sand paving control system receives a coarse sand starting button signal, and controls the hydraulic telescopic rod 8 to stretch; the coarse sand paving control system controls the telescopic shaft and the conveying rotating plate to be opened and closed, and the coarse sand paving control system also controls the heating plate to be opened and closed.
The fine sand paving control system receives a fine sand starting button signal and controls the sand pumping pump to be turned on and off; the fine sand paving control system also controls the opening and closing of the heating plates.
And the fine sand starting button signal and the coarse sand starting button signal are arranged on a control panel of the paving road roller for plateau frozen soil construction.
The saw blade adjusting and controlling system receives a moving signal of the paving road roller, controls the starting of the hydraulic cylinder, and controls the stretching of a saw blade first hydraulic transmission rod 29, a saw blade second hydraulic transmission rod 30, a telescopic roller first hydraulic transmission rod 31, a telescopic roller second hydraulic transmission rod 32, a saw blade second first hydraulic transmission rod 33, a saw blade second hydraulic transmission rod 34, a saw blade third first hydraulic transmission rod 35 and a saw blade third hydraulic transmission rod 36.
Referring to fig. 10, a method for using a paving roller for plateau frozen soil construction includes the following steps:
(1) and pavement pretreatment: pretreating the foundation of a constructed pavement, and cleaning shrubs and weeds in the land range of the foundation;
(2) and arranging a coarse sand layer: starting a coarse sand paving control system, controlling the expansion and contraction of the hydraulic telescopic rod 8, and opening and closing the telescopic shaft and the conveying rotary plate, and paving and road-pressing construction along with the advancing of the paving road roller; the heating plate and the antifreeze solution control system can also be started;
(3) and arranging a fine sand layer: starting a fine sand paving control system, and controlling the opening and closing of a sand pumping pump; the heating plate and antifreeze control system can also be activated.
Further, before the coarse sand layer is arranged, the saw blade adjusting and controlling system is started to debug the saw blade system, the saw blade adjusting and controlling system controls the starting of the hydraulic cylinder, and the saw blade adjusting and controlling system controls the extension and retraction of the eight hydraulic transmission rods.
Furthermore, the arrangement of the coarse sand layer can be repeated for a plurality of times until the laid coarse sand layer meets the requirements of construction standards; the arrangement of the fine sand layer can be repeated for a plurality of times until the laid fine sand layer meets the requirements of construction standards.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A paving roller for plateau frozen soil construction comprises a paving roller hydraulic system, a paving roller control system, an antifreeze solution storage cavity, a hydraulic cylinder, a coarse sand storage cavity and a fine sand storage cavity; the device is characterized by further comprising a vehicle connecting frame, a baffle, an antifreeze distributor, an antifreeze distributing pipe, a saw blade I, a telescopic rod, a saw blade II, a hydraulic telescopic rod, a rotating door, a material storage bottom plate, a fine sand distributor, a saw blade III, a road roller, a main body frame, a heating plate, a fine sand storage cavity, a moisture outlet, a conveying rotating plate, a telescopic shaft, a motor, a paving road roller control system, a conveying roller, a telescopic conveying belt, a driven wheel and a sand pump; the vehicle connecting frame is used for connecting a vehicle for providing power, and is arranged at one end outside the paving roller for plateau frozen soil construction; the baffle is arranged at the bottom of the paving road roller for plateau frozen soil construction and is used for ensuring the flatness of a road surface; the anti-freezing solution storage cavity is arranged at one end inside the paving roller for plateau frozen soil construction, an anti-freezing solution distributor is arranged at the lower end of the anti-freezing solution storage cavity, and the anti-freezing solution distributor is connected with an anti-freezing solution distribution pipe; the hydraulic cylinder is arranged inside the paving road roller for plateau frozen soil construction, and the lower part of the hydraulic cylinder is connected with a first saw blade, a telescopic stick and a second saw blade; the coarse sand storage cavity is arranged inside the paving road roller for plateau frozen soil construction, one side of the lower part of the coarse sand storage cavity is provided with a telescopic shaft, one end of the telescopic shaft is connected with a motor arranged on the paving road roller for plateau frozen soil construction, the other end of the telescopic shaft is connected with a conveying rotating plate, the conveying rotating plate is arranged in the coarse sand storage cavity, the lower part of the coarse sand storage cavity is opened, a rotating door is arranged on the lower part opening and is used for opening and closing the opening, only a conveying roller capable of rotating in the highland is arranged on the rotating door, one end, far away from the lower part opening, of the rotating door is provided with a hydraulic telescopic rod, and the hydraulic telescopic rod is connected to the paving road roller for frozen; a heater is arranged on the inner wall surface of the coarse sand storage cavity, and a moisture outlet is arranged on the inner part of the coarse sand storage cavity; the fine sand storage cavity is arranged inside the paving road roller for plateau frozen soil construction, a heat insulation layer is arranged outside the fine sand storage cavity, a moisture outlet is arranged at the upper part of the fine sand storage cavity, a fine sand distributor is connected to the lower part of the fine sand storage cavity, a sand pump is arranged on a pipeline of the fine sand distributor, and a heating plate is arranged at the lower part of the fine sand storage cavity; the saw blade III is arranged on one side of the lower part of the paving road roller for plateau frozen soil construction; the number of the road rollers is two, and the two road rollers are respectively arranged on two sides of the bottom of the paving road roller for plateau frozen soil construction.
2. The paving roller for plateau frozen soil construction according to claim 1, characterized in that: the paving road roller hydraulic system comprises a saw blade first hydraulic transmission rod, a telescopic rod second hydraulic transmission rod, a saw blade second first hydraulic transmission rod, a saw blade second hydraulic transmission rod, a saw blade third first hydraulic transmission rod and a saw blade third second hydraulic transmission rod; the lower parts of the eight hydraulic transmission rods are connected with flow feedbacks which are used for feeding back a paving roller control system, the paving roller control system adjusts the opening degrees of a secondary control valve and a main control valve according to the flow signals, the main control valve is arranged on a main pipeline, and the secondary control valve is arranged on a branch pipeline; a flow equalizer is arranged on the main pipeline; a plurality of branches are arranged in the flow equalizer, and the flow equalizer internally comprises a first return heater, a temperature sensor, a flow balance valve, a flow limiting check valve and a second return heater; the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a first return heater and a temperature sensor, a flow limiting check valve is arranged on the main pipeline inside the flow equalizer, the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a flow balancing valve, and the main pipeline inside the flow equalizer is connected to the inside of the hydraulic oil cavity through a second return heater; hydraulic oil in the hydraulic oil cavity enters a main pipeline through a one-way valve and a hydraulic pump; the second return heater is connected with a main control valve and an auxiliary control valve through a fixing plate; the main control valve is connected with a second header; the auxiliary control valve is connected with a first header; the main control valve is connected with a first hydraulic transmission rod of the telescopic stick and a second hydraulic transmission rod of the telescopic stick; the second header box is connected with a first hydraulic transmission rod of the saw blade, a second hydraulic transmission rod of the saw blade and a first hydraulic transmission rod of the telescopic rod; the auxiliary control valve is connected with a saw blade third first hydraulic transmission rod and a saw blade third second hydraulic transmission rod, and the first header box is connected with a saw blade second first hydraulic transmission rod, a saw blade second hydraulic transmission rod and a saw blade third first hydraulic transmission rod.
3. The paving roller for plateau frozen soil construction according to claim 1 or 2, wherein: the paving road roller control system comprises an antifreeze control system, a fine sand paving control system, a coarse sand paving control system and a saw blade adjusting control system, wherein the antifreeze control system receives a fine sand paving control system starting signal and a paving road roller moving signal, and controls the antifreeze control system to be started and closed; the anti-freezing solution control system also receives a coarse sand paving control system starting signal and a paving road roller moving signal; the antifreeze control system also receives a temperature sensor signal, and the temperature sensor is arranged on the paving road roller and used for detecting the ambient temperature.
4. The paving roller for plateau frozen soil construction according to claim 1 or 3, wherein: the coarse sand paving control system receives a coarse sand starting button signal, and controls the hydraulic telescopic rod 8 to stretch; the coarse sand paving control system controls the telescopic shaft and the conveying rotating plate to be opened and closed, and the coarse sand paving control system also controls the heating plate to be opened and closed.
5. The paving roller for plateau frozen soil construction according to claim 4, wherein the paving roller comprises: the fine sand paving control system receives a fine sand starting button signal and controls the sand pumping pump to be turned on and off; the fine sand paving control system also controls the opening and closing of the heating plates.
6. The paving roller for plateau frozen soil construction according to claim 4, wherein the paving roller comprises: the saw blade adjusting and controlling system receives a moving signal of the paving road roller, the saw blade adjusting and controlling system controls the starting of the hydraulic cylinder, and the saw blade further controls the stretching of a saw blade first hydraulic transmission rod, a saw blade second hydraulic transmission rod, a telescopic roller first hydraulic transmission rod, a telescopic roller second hydraulic transmission rod, a saw blade third first hydraulic transmission rod and a saw blade third hydraulic transmission rod.
7. The use method of the paving roller for plateau frozen soil construction adopts the paving roller for plateau frozen soil construction as claimed in any one of claims 1 to 6, and is characterized in that: the method comprises the following specific steps:
(1) and pavement pretreatment: pretreating the foundation of a constructed pavement, and cleaning shrubs and weeds in the land range of the foundation;
(2) and arranging a coarse sand layer: starting a coarse sand paving control system, controlling the expansion and contraction of the hydraulic telescopic rod 8, and opening and closing the telescopic shaft and the conveying rotary plate, and paving and road-pressing construction along with the advancing of the paving road roller; the heating plate and the antifreeze solution control system can also be started;
(3) and arranging a fine sand layer: starting a fine sand paving control system, and controlling the opening and closing of a sand pumping pump; the heating plate and antifreeze control system can also be activated.
8. The use method of the paving roller for plateau frozen soil construction according to claim 7, characterized by comprising the following steps: before the coarse sand layer is arranged, the saw blade adjusting and controlling system is started to debug the saw blade system, the saw blade adjusting and controlling system controls the starting of the hydraulic cylinder, and the saw blade adjusting and controlling system controls the extension and retraction of the eight hydraulic transmission rods.
9. The use method of the paving roller for plateau frozen soil construction according to claim 7, characterized by comprising the following steps: the arrangement of the coarse sand layer can be repeated for a plurality of times until the laid coarse sand layer meets the requirements of construction standards; the arrangement of the fine sand layer can be repeated for a plurality of times until the laid fine sand layer meets the requirements of construction standards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735904.4A CN111851220B (en) | 2020-07-28 | 2020-07-28 | Paving road roller for plateau frozen soil construction and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010735904.4A CN111851220B (en) | 2020-07-28 | 2020-07-28 | Paving road roller for plateau frozen soil construction and use method |
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| CN111851220B CN111851220B (en) | 2021-09-21 |
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| US20080056820A1 (en) * | 2006-09-06 | 2008-03-06 | Hall David R | Paved Surface Reconditioning System |
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| US20080203187A1 (en) * | 2002-09-09 | 2008-08-28 | Henderson Manufacturing Company | Apparatus for treatment of snow and ice |
| US20080056820A1 (en) * | 2006-09-06 | 2008-03-06 | Hall David R | Paved Surface Reconditioning System |
| US20160333536A1 (en) * | 2014-10-24 | 2016-11-17 | Gomaco Corporation | Adjustable Width Trail Paver |
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| CN111851220B (en) | 2021-09-21 |
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