CN110965433A - Material transporting dump truck and construction method thereof - Google Patents
Material transporting dump truck and construction method thereof Download PDFInfo
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- CN110965433A CN110965433A CN201910973247.4A CN201910973247A CN110965433A CN 110965433 A CN110965433 A CN 110965433A CN 201910973247 A CN201910973247 A CN 201910973247A CN 110965433 A CN110965433 A CN 110965433A
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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
- E01C19/12—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 distributing granular or liquid materials
- E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
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- Road Paving Machines (AREA)
Abstract
The invention discloses a material transporting dump truck and a construction method thereof. This fortune material dump truck includes: chassis, carriage, hydraulic pressure lifting mechanism still include: the first telescopic device is used for controlling the opening and closing of the bottom of the carriage rear baffle and adjusting the opening degree of the carriage rear baffle; the spiral distributing device comprises a rotating shaft, spiral blades, a bearing and a driving part, and the driving part drives the spiral distributing device to uniformly distribute materials in the carriage on a construction site; one end of the second telescopic device is fixedly connected with the bearing, and the other end of the second telescopic device forms an angle and is fixedly connected with the inner side of the baffle, so that the spiral distributing device is arranged at the bottom of the inner side of the baffle, and the position of the spiral distributing device can be adjusted. The invention combines self-unloading with paving, can ensure the uniformity of unloading, improve the flatness of a soil layer formed after unloading, can directly roll after unloading, reduce the use of paving machinery and manpower, and accelerate the construction progress.
Description
Technical Field
The invention relates to the technical field of transportation equipment, in particular to a material transporting dump truck and a construction method thereof.
Background
The construction of the roadbed and the pavement of the modern expressway and railway can not be carried out by a dump truck to transport various materials. In the process of roadbed or pavement construction, a dump truck is adopted to transport soil or various mixtures to a construction site to be piled and unloaded, then a bulldozer, a land leveler or even a paver is used to pave and level the soil or the mixtures, and then a rolling machine is adopted to carry out layered compaction.
In general, the foundation layer construction is carried out without using an accurate paver to pave and level the roadbed layer by layer, and only the grid positions are dug in advance to unload the materials, and then the materials are paved and leveled by a bulldozer or a grader and then compacted by layers.
However, in any case, the paving and leveling operation of the soil or the mixture is required in the construction site (the roadbed or the road surface), and a large amount of mechanical equipment and manpower such as a bulldozer and a grader are inevitably used in the operation, so that the construction cost is increased invisibly, the waste of construction resources is caused, and the construction progress is influenced. In view of this, improvements should be made to the prior art.
Disclosure of Invention
Based on the problems, the invention aims to provide the material transporting dump truck and the construction method thereof, the material transporting dump truck can combine self-unloading and paving, the unloading uniformity is ensured, the flatness of a soil layer after unloading is improved, direct rolling is convenient, the use of paving machinery and manpower is reduced, and the construction progress is accelerated.
The above purpose is realized by the following technical scheme:
according to one aspect of the present invention, there is provided a dumper truck including a chassis, a material-loading car, and a hydraulic lifting mechanism for assisting the car in dumping, the dumper truck further including: the first telescopic device is used for controlling the opening and closing of the bottom of the carriage rear baffle and adjusting the opening degree of the carriage rear baffle, one end of the first telescopic device is fixedly connected with a chassis, and the other end of the first telescopic device is connected with a carriage dumping baffle; the spiral distributing device comprises a rotating shaft, spiral blades arranged on the rotating shaft, bearings arranged at two ends of the rotating shaft and a driving part connected with the rotating shaft, and the materials in the carriage are spread on a construction site by driving the rotating shaft and the spiral blades to rotate through the driving part; and one end of the second telescopic device is fixedly connected with a bearing of the spiral distributing device, and the other end of the second telescopic device is fixedly connected with the inner side of the carriage back baffle plate, so that the spiral distributing device is arranged at the bottom of the inner side of the carriage back baffle plate and is used for adjusting the spiral distributing device to the opening position of the bottom of the carriage back baffle plate.
Preferably, the first telescopic device is a hydraulic telescopic oil cylinder, and the second telescopic device is a hydraulic telescopic oil cylinder; and the hydraulic control systems connected with the first telescopic device and the second telescopic device are both arranged in the cab.
Preferably, one end of the first telescopic device is fixedly connected with the rear end of the chassis, the plane of the first telescopic device forms an included angle with the plane of the chassis, and the other end of the first telescopic device is hinged with the bottom of the carriage rear baffle; the plane of the second telescopic device forms an included angle with a rear baffle of the carriage, and the included angle is in direct proportion to the diameter of the spiral distributing device; the maximum opening degree of the opening of the rear baffle is equal to two thirds of the diameter of the spiral distributor.
Preferably, the driving part is a speed regulating motor and is used for driving the spiral distributor to rotate and regulating the rotating speed of the spiral distributor.
Preferably, the material handling dump truck further comprises: detachably installs the swash plate of getting off at the vehicle chassis end, and the material passes through after the distribution of spiral distributing device the swash plate of getting off falls in the construction site.
According to another aspect of the present invention, there is provided a construction method of the dumper, including the steps of: the material transporting dump truck transports the material to a construction site; the hydraulic lifting mechanism lifts the front end of the carriage; opening a carriage rear baffle through a first telescopic device; the spiral material distributor is positioned to an opening position at the bottom of a rear baffle plate of the carriage through a second telescopic device, a driving part is started, materials are uniformly spread and fall under the action of the spiral material distributor after sliding in the carriage, and meanwhile, the material transporting dump truck moves forwards at a constant speed to finish the unloading and spreading of the materials; and then directly carrying out rolling operation.
Preferably, the construction method further comprises: and carrying out filling test section construction on the soil layer, and determining construction parameters, wherein the length of the filling test section is 100-250 m, and the construction parameters comprise the paving thickness, the rolling times and the compactness.
Preferably, the construction method further comprises: and determining the opening degree of a carriage rear baffle, the traveling speed of the material transporting dump truck and the rotating speed of the spiral material distributor according to the paving thickness of the paved material.
Preferably, the construction method further comprises: according to the width of a construction site and the width of the material transporting dump trucks, two or more material transporting dump trucks are adopted to operate in a echelon.
Preferably, the longitudinal distance between the front and rear dumper trucks is 8-12 m.
Compared with the dump truck in the prior art, the invention has the following beneficial effects: the material-transporting dump truck combines self-unloading and paving through the arrangement of the spiral distributing device, can ensure that materials are uniformly spread on a construction site (a roadbed or a road surface), can improve the flatness of a soil layer after unloading, is convenient to directly roll, avoids the use of a bulldozer, a land leveler and even a paver, reduces the resource waste on machinery and manpower, accelerates the construction progress, improves the engineering profit, saves energy, reduces emission and is beneficial to environmental protection. In addition, the opening degree of the baffle at the discharge opening and the position of the spiral distributing device can be accurately controlled through the telescopic device, the discharging uniformity in the length direction of the discharge opening can be improved, and the flatness of a soil layer after discharging is further improved. The uniformity of the particle size of the scattered materials can be ensured through the helical blades in the helical distributing device, so that the flatness of the soil layer is further improved.
Drawings
FIG. 1 is a schematic illustration of a dump truck discharging in the prior art;
FIG. 2 is a schematic illustration of a dump truck for dumping material in an embodiment of the present invention;
FIG. 3 is a schematic view showing the mounting structure of the spiral distributor and the back baffle in the embodiment of the present invention;
FIG. 4 is a schematic diagram of a material transporting dump truck for dumping and paving by using a fleet of stairs according to an embodiment of the invention;
fig. 5 is a schematic flow chart of the construction of the dumper truck according to the embodiment of the invention.
In fig. 1-5, 110 chassis, 120 cars, 130 hydraulic lifting mechanisms, 140 soil heaps, 121 tailgates, 150 soil layers; 200 a first telescoping device; 300 a second telescoping device; 400 spiral distributor, 410 rotating shaft, 420 spiral blade, 430 bearing, 440 driving part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and those skilled in the art can realize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
Fig. 1 schematically shows the unloading operation of a dump truck in the prior art. A dump truck is defined as a truck having a car body equipped with an automatic tilting device, wherein the engine, chassis and cab are constructed as in a conventional truck, and the car body can be tilted backward or sideways, and backward tilting is generally common. As shown in fig. 1, a dump truck in the prior art includes, for example, a backward dump truck: the chassis 110, the car 120 containing the material, and the hydraulic lifting mechanism (not shown, usually a lifting cylinder) for assisting the car 120 to dump after completion, the piston rod of the hydraulic lifting mechanism is controlled to move by operating the hydraulic system in the cab, the piston rod pushes the car 120 to dump backward, after dumping, the soil pile 140 is formed and stacked on the road bed, then the soil pile 140 needs to be leveled by a bulldozer, and then the soil pile is leveled by a leveler, and finally the road roller can be used for layering rolling. Therefore, in the prior art, a large amount of mechanical equipment (such as a bulldozer and a land leveler, even a paver and the like are used sometimes) and personnel are needed in the construction process, so that resources, cost and the like are wasted to a certain extent, and the construction progress is slow.
The following describes the embodiment of the present invention in detail by taking a dump truck in which the dumping mode is backward dumping as an example, and the side dumping type dump truck is similar to the backward dumping type dump truck and is not described in detail.
Fig. 2 schematically illustrates a dump vehicle dump truck dump bed in an embodiment of the invention.
Fig. 3 schematically shows the mounting structure of the auger and the tailgate in the dumper according to the embodiment of the present invention. As shown in fig. 2-3, a material transporting dump truck is provided, in which an auger 400 is installed at the lower portion of the inner side of the rear baffle 121 of the dump truck carriage in the prior art, and the material in the carriage is unloaded and spread by the auger 400, so that the material (soil material, or other mixed materials, etc.) can be uniformly spread in a construction site (such as a roadbed, a road surface, and a terrace) to form a soil layer 150, which has good spreading smoothness, and avoids the use of a bulldozer, a grader, or even a paver, thereby saving equipment and manpower resources. Specifically, the material handling dump truck further includes, in addition to the structure of the dump truck in the prior art: the device comprises an auger distributor 400 for distributing materials evenly, a second telescopic device 300 for fixing and adjusting the position of the auger distributor 400, and a first telescopic device 200 for controlling the opening and closing of the bottom (discharge port) of a carriage rear baffle 121 and adjusting the opening of the rear baffle, wherein the maximum opening of the rear baffle is equal to two thirds of the diameter of the auger distributor. It should be noted that the opening degree of the back baffle 121 and the size of the auger 400 in the drawings are only schematic.
As shown in fig. 3, the spiral distributor 400 includes a rotating shaft 410, spiral blades 420 fixedly installed on the rotating shaft 410, bearings 430 installed at both ends of the rotating shaft 410, and a driving part 440 connected to the rotating shaft 410. The length of the rotating shaft 410 is slightly smaller than that of the rear baffle 121, the helical blades 420 can be arranged in one direction or in opposite directions, the driving part 440 can be a speed regulating motor, the speed regulating motor regulates the rotating speed of the rotating shaft 410 to drive the rotating shaft 410, the rotating shaft 410 drives the helical blades 420 to rotate, uniform distribution is realized along with radial rotation of the rotating shaft 410 and rotation and full turning of the helical blades 420, namely, materials in a carriage are uniformly spread on a construction site, and therefore integrated automatic operation of distribution, turning and spreading is realized. In this embodiment, the driving portion 440 can drive and adjust the rotation speed of the rotating shaft 410, and the rotation speed is also controlled by a control switch of the cab, and the rotation speed of the rotating shaft 410 can be adjusted to improve the uniformity of the discharged material, so that the flatness of the discharged material can be further improved. Preferably, the auger 400 is roller-shaped for uniform discharge.
As shown in fig. 3, in this embodiment, a second telescopic device 300 is fixedly disposed at each of two ends of the inner side of the car tailgate 121, and the other ends of the two second telescopic devices 300 are fixedly connected to bearings 430 at two ends of the spiral distributor 400 respectively, for fixing and adjusting the position of the spiral distributor 400. The second telescopic device 300 is a hydraulic telescopic cylinder, the upper end (for example, the cylinder end) of the hydraulic telescopic cylinder is fixedly connected to the back baffle 121, and an included angle is formed between the plane where the second telescopic device 300 is located and the car back baffle 121, and the size of the included angle is in direct proportion to the diameter of the spiral distributing device 400; the lower end (e.g. the end of the piston rod) of the hydraulic telescopic cylinder is fixedly connected to the bearing 430 of the spiral material distributor 400, and when discharging, the second telescopic device 300 is opened, and the second telescopic device 300 pushes the spiral material distributor 400 to the discharge hole of the lower portion of the back baffle 121 by extending the piston rod of the hydraulic telescopic cylinder. The included angle between the second expansion device 300 and the back baffle 121 can be determined by the following steps: the line from the upper fixed central point of the second telescopic device 300 to the central axis of the spiral distributing device 400 is set to be L, the projection distance from L to the rear baffle of the carriage is set to be H, the distance from the central axis of the distributing device to the rear baffle of the carriage is set to be H, the H and the H are right-angle sides, and the L is a hypotenuse, the three form a right triangle, the diameter of the spiral distributing device is set to be D, then H < (2/3) D, and therefore the maximum opening angle of the included angle can be obtained.
As shown in fig. 2 to 3, the first retractor device 200 is located below the dash 121 and is used to open or close the bottom of the dash 121 and adjust the opening thereof. First telescoping device 200 can be hydraulic telescoping cylinder, its one end (for example cylinder barrel end) and vehicle bottom 110 fixed connection, just it becomes an contained angle between first telescoping device 200 place plane and the vehicle bottom 110, the size of this contained angle is confirmed according to the aperture that backplate 121 opened, and the other end (for example tailpiece of the piston rod) is articulated with the bottom of carriage backplate 121, preferably, adopts two hydraulic telescoping cylinders to install respectively in the both ends department of carriage backplate 121 to the uniformity of aperture around guaranteeing, further guarantees the operation of evenly unloading and paving.
It should be noted that, in this embodiment, both the first telescoping device 200 and the second telescoping device 300 adopt a hydraulic telescoping cylinder technology, and a hydraulic control system for controlling the hydraulic telescoping cylinders is installed in the cab to facilitate operation, and the specific structure of the hydraulic telescoping cylinders is not limited and may be selected as needed, for example, the first telescoping device 200 and the second telescoping device 300 may be selected from flange type, support type, trunnion ring type and other connection modes as long as the functions thereof are realized.
In an optional embodiment, the material transporting dump truck may further include a get-off swash plate (not shown), the get-off swash plate is detachably installed at the end of the truck chassis 110, and the material is distributed by the spiral distributor 400 and then falls on the construction site through the get-off swash plate, so as to avoid the inclination in the scattering process, influence the discharging uniformity and influence the flatness of the soil layer 150. Wherein the swash plate of getting off can be the broken line template, can be including being used for overlapping and can dismantle the diaphragm of being connected with the vehicle bottom 110 end to and the swash plate of support material unloading. The transverse plate and the tail end of the chassis 110 can be connected in a detachable connection mode such as bolt connection. In addition, the material is distributed by the spiral distributor 400 and then is positioned right above the inclined plate instead of the transverse plate, so that the material can be smoothly spread on a construction site.
Fig. 5 schematically shows the construction steps of the dumper according to the embodiment of the invention. As shown in fig. 5, the construction method includes:
step S10, before the formal earth-transporting material is spread, a soil layer filling test section is carried out on the soil layer 150, the optimal construction parameters are determined, and then large-area discharging and spreading operation is carried out. The optimal construction parameters are not specifically limited and are determined according to actual conditions. The length of the filling test section can be 100 m-250 m, more preferably 200m, and the whole roadbed width. The construction parameters comprise a mechanical equipment combination mode, paving thickness, material grain diameter, rolling times, compactness, an inspection method and the like. The unloading and paving method of the filling test section is similar to the steps S30-S50 of the invention, and is not repeated, and other steps are all in the prior art.
Step S20, determining the opening degree of the carriage tailgate 121, the traveling speed of the material transporting dump truck, and the rotational speed of the auger 400 according to the thickness of the paving material (paving thickness). The above data are determined because the thickness of the paving material is related to the opening of the tailgate 121 and the speed of the vehicle, and is also related to the speed of the auger 400. The paving thickness of the same paving material is in direct proportion to the opening degree of the carriage rear baffle 121, in inverse proportion to the speed of the material transporting dump truck and in direct proportion to the rotating speed of the spiral material distributor 400. Specifically, different materials are paved, the paving thickness, the speed of the material transporting dump truck, the rotating speed of the spiral distributor 400 and the opening degree of the rear baffle 121 are different, and the different materials are determined through a test section. In a preferred embodiment, clay is paved on the road bed, the vehicle may advance at a speed of 1m/min (but if sand is paved, the vehicle may advance at a speed of 3m/min in general), the auger 400 may have a diameter of 50cm, the opening size of the tailgate 121 of the car may be 30cm, the virtual pavement thickness may be 40cm, and the rotational speed of the auger 400 may be 300 rpm.
And S30, transporting the materials to a parking position of a construction site by adopting a material transporting dump truck. (alternatively, squares and parking positions may be drawn in advance prior to this step to facilitate accurate parking)
Step S40, the front end of the carriage is (slowly) lifted up under the action of the hydraulic lifting mechanism 130, and the material slides backwards; the compartment tailgate 121 is slightly opened by the first retractor 200; the spiral material distributor 400 is put in place to the opening position at the bottom of the carriage rear baffle 121 through the second telescopic device 300, the driving part 440 is started, the spiral material distributor 400 starts to rotate, materials slide to the rear of the carriage and then are uniformly spread and fall under the action of the spiral material distributor 400, and meanwhile, the material transporting dump truck slowly slides forwards at a constant speed to complete the unloading and spreading of the materials.
Step S50, and then the rolling operation is directly performed. When rolling, the road roller can be used for primary pressing (static pressure is 1-2 times), then the vibratory roller is used for secondary pressing (vibratory compaction is 5-6 times) until compaction is achieved, and then the next layer of soil is transported, paved and rolled. The degree of compaction can also be determined by the fill test section, generally not less than 90%.
Fig. 4 schematically shows a schematic diagram of the dumper truck for unloading and paving by adopting the echelon operation in a working face with a plurality of vehicles and large width. As shown in fig. 4, in an alternative embodiment, two or more dump trucks may be used to operate in a ladder formation according to the width of the construction site and the width of the dump truck, so as to improve the work efficiency. The longitudinal distance between the front and rear material transporting dump trucks is 8-12 m, more preferably, the longitudinal distance of 10m is kept for discharging and paving soil, and then a road roller is directly adopted for rolling compaction, so that the mechanical shift operation of a bulldozer and a grader is saved, the construction cost is greatly reduced, and the construction progress is accelerated.
Examples
Carry out the operation of paving of unloading to certain construction place, wherein, the material is the sand material, specifically includes following step: and carrying out a soil layer transportation filling test section before the formal earth-transporting materials are paved, wherein the test section is 200m long and wide in the whole road base, and after the dump truck transports the soil to a construction site, the filling soil layer is compacted by 30cm, and the virtual pavement thickness is about 40cm (the virtual pavement coefficient is 1.33). Adjusting a first telescopic device 200, namely a hydraulic telescopic oil cylinder, opening a carriage back baffle 121, adjusting the opening distance to 30cm, adjusting a hydraulic telescopic oil cylinder, namely a second telescopic device 300, of a spiral material distributor 400, and enabling the spiral material distributor 400 to be in place at the opening position of the back baffle 121, wherein the diameter of the spiral material distributor 400 is 50 cm; starting a speed regulating motor, regulating the rotating speed of a rotating shaft to 300r/min, uniformly spreading soil on a roadbed under the action of a spiral distributor 400 to form a soil layer 150 with the thickness of about 40cm, and slowly advancing the material conveying dump truck at a constant speed (the speed is regulated to about 3 m/min); after the roadbed is filled with soil in a whole width, the roadbed is subjected to primary pressing (static pressure is 1-2 times), from low to high, rolling from outside to inside, re-pressing by adopting a vibratory roller, vibrating and compacting for 5-6 times until the degree of compactness required by design is achieved, and the test is qualified, and then the transporting, paving and rolling operation of the next layer of soil is carried out.
Claims (10)
1. The utility model provides a fortune material dump truck, includes the vehicle chassis, the carriage of dress material and is used for assisting the carriage to accomplish the hydraulic pressure lifting mechanism who dumps, its characterized in that still includes:
the first telescopic device is used for controlling the opening and closing of the bottom of the carriage rear baffle and adjusting the opening degree of the carriage rear baffle, one end of the first telescopic device is fixedly connected with a chassis, and the other end of the first telescopic device is connected with a carriage dumping baffle;
the spiral distributing device comprises a rotating shaft, spiral blades arranged on the rotating shaft, bearings arranged at two ends of the rotating shaft and a driving part connected with the rotating shaft, and the materials in the carriage are spread on a construction site by driving the rotating shaft and the spiral blades to rotate through the driving part;
and one end of the second telescopic device is fixedly connected with a bearing of the spiral distributing device, and the other end of the second telescopic device is fixedly connected with the inner side of the carriage back baffle plate, so that the spiral distributing device is arranged at the bottom of the inner side of the carriage back baffle plate and is used for adjusting the spiral distributing device to the opening position of the bottom of the carriage back baffle plate.
2. The material handling dump truck of claim 1, wherein the first telescoping device is a hydraulic telescoping cylinder and the second telescoping device is a hydraulic telescoping cylinder; and the hydraulic control systems connected with the first telescopic device and the second telescopic device are both arranged in the cab.
3. The material handling dump truck of claim 1,
one end of the first telescopic device is fixedly connected with the rear end of the chassis, the plane of the first telescopic device forms an included angle with the plane of the chassis, and the other end of the first telescopic device is hinged with the bottom of the carriage rear baffle;
the plane of the second telescopic device forms an included angle with a rear baffle of the carriage, and the included angle is in direct proportion to the diameter of the spiral distributing device;
the opening degree of the rear baffle plate is not more than two thirds of the diameter of the spiral distributor.
4. The material transporting and self-discharging vehicle as claimed in claim 1, wherein the driving part is a speed-adjustable motor for driving the spiral material distributor to rotate and adjusting the rotation speed of the spiral material distributor.
5. The dumper of claim 1, further comprising: detachably installs the swash plate of getting off at the vehicle chassis end, and the material passes through after the distribution of spiral distributing device the swash plate of getting off falls in the construction site.
6. The construction method of a material handling dump truck according to any one of claims 1 to 5, comprising the steps of:
the material transporting dump truck transports the material to a construction site;
the hydraulic lifting mechanism lifts the front end of the carriage;
opening a carriage rear baffle through a first telescopic device;
the spiral material distributor is positioned to an opening position at the bottom of a rear baffle plate of the carriage through a second telescopic device, a driving part is started, materials are uniformly spread and fall under the action of the spiral material distributor after sliding in the carriage, and meanwhile, the material transporting dump truck moves forwards at a constant speed to finish the unloading and spreading of the materials;
and then directly carrying out rolling operation.
7. The method of constructing a material handling dump truck according to claim 6, wherein the method further comprises: and carrying out filling test section construction on the soil layer, and determining construction parameters, wherein the length of the filling test section is 100-250 m, and the construction parameters comprise the paving thickness, the rolling times and the compactness.
8. The method of constructing a material handling dump truck according to claim 7, wherein the method further comprises: and determining the opening degree of a carriage rear baffle, the traveling speed of the material transporting dump truck and the rotating speed of the spiral material distributor according to the paving thickness of the paved material.
9. The method of constructing a material handling dump truck according to claim 8, wherein the method further comprises: according to the width of a construction site and the width of the material transporting dump trucks, two or more material transporting dump trucks are adopted to operate in a echelon.
10. The method of constructing a dumper according to claim 9, wherein a longitudinal distance between the front and rear dumpers is 8 to 12 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910973247.4A CN110965433A (en) | 2019-10-14 | 2019-10-14 | Material transporting dump truck and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910973247.4A CN110965433A (en) | 2019-10-14 | 2019-10-14 | Material transporting dump truck and construction method thereof |
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| CN110965433A true CN110965433A (en) | 2020-04-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111676773A (en) * | 2020-07-16 | 2020-09-18 | 河北扶波机械制造有限公司 | Asphalt concrete transportation and paving integrated vehicle |
| CN111778809A (en) * | 2020-06-28 | 2020-10-16 | 湖州前锋机械配件厂 | Asphalt paving device for road machinery construction |
| CN113373770A (en) * | 2021-07-27 | 2021-09-10 | 安徽工业大学 | Spreading machine |
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|---|---|---|---|---|
| CN111778809A (en) * | 2020-06-28 | 2020-10-16 | 湖州前锋机械配件厂 | Asphalt paving device for road machinery construction |
| CN111676773A (en) * | 2020-07-16 | 2020-09-18 | 河北扶波机械制造有限公司 | Asphalt concrete transportation and paving integrated vehicle |
| CN113373770A (en) * | 2021-07-27 | 2021-09-10 | 安徽工业大学 | Spreading machine |
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