JP4892711B2 - Reclaimed asphalt construction method and reclaimed asphalt construction equipment - Google Patents

Description

  The present invention relates to a reclaimed asphalt construction method and a reclaimed asphalt construction apparatus that perform paving or the like with regenerated asphalt while regenerating waste asphalt obtained by excavation during gas or water pipe construction or road repair.

Conventionally, in the construction of paved roads due to repair of road cracks and repairs of water pipes and gas pipes, etc., the excavated asphalt waste is discarded as industrial waste, and new asphalt raw materials for repair are In general, products manufactured in a manufacturing plant are transported to a work site by a truck or the like. However, from the viewpoint of the recent reuse of resources and cost reduction when disposing of asphalt waste after excavation as industrial waste, it is desirable that the excavated asphalt waste can be recycled and reused as it is for repairing paved roads. . In view of the above, devices using recycled asphalt as shown in Patent Documents 1 and 2 have been proposed.
JP-A-11-269812 JP2007-113183A

  According to Patent Document 1, an asphalt regenerator supplies raw material to a drum 6 that rotates with a horizontal axis as a rotating shaft, and heats and melts the waste material therein to generate a new asphalt mixture. Since this is a mechanism for discharging the regenerated asphalt mixture from the bottom to the bottom, the input position of the raw material becomes high, and a large amount of labor is required for the raw material supply operation from the hopper by human power. In addition, the carrier part of the towing conveyance truck that pulls the trailer equipped with the asphalt recycling car and the asphalt recycling car are arranged in tandem according to the situation of the work site after arrival at the site, and the conveyor between the hopper of the asphalt recycling car There is a problem that it takes time to set up work on the work site, such as the work of mounting the vehicle and the positioning of the heavy equipment for excavation on the road and the like, which takes time and impairs efficiency. At the same time, the road blockage time becomes longer, which affects traffic conditions. Furthermore, as shown in FIG. 12, heavy equipment for excavation H, traction moving truck 60, and trailer L mounted on asphalt regeneration vehicle R are required during work, and occupies a large area and space of the work site during work. As a result, road use efficiency is deteriorated, and those vehicles and the like are required, and there are disadvantages that the work cost is increased due to the rental fee of equipment. Further, Patent Document 2 proposes that the installation work between the hopper of the asphalt recycling car of the conveyor and the loading platform of the towing truck can be easily performed at the work site, and the setup work efficiency at the work site is proposed. However, this Patent Document 2 also requires heavy equipment for excavation, a truck for towing movement, and a trailer equipped with an asphalt recycling vehicle during work, and increases the area and space of the work site during work. Since it occupies the road, the road utilization efficiency is deteriorated, and those vehicles are required, resulting in a high work cost due to equipment rental fees. In addition, there is a problem that the setup work at the work site such as the positioning on the road with the excavating heavy machine is troublesome, and the work takes time and the efficiency is impaired.

The present invention has been made in view of the above-described conventional problems, and the purpose thereof is that it does not require the effort of throwing waste asphalt excavated with a simple structure into a recycling device, and the road occupancy rate during construction is A reclaimed asphalt construction method and refurbished asphalt construction equipment that can reduce the rental cost of equipment with less equipment, and can dramatically shorten the work setup time at the work site. It is to provide.

  In order to achieve the above object, the present invention includes an asphalt regenerator 12, a trailer 14 equipped with the asphalt regenerator, a hydraulic excavator 18 that is detachably connected to the trailer and has a vertical drive unit 16, and a vertical drive unit. 16, and an attachment 20 with a first joint portion 80 that is detachably connected to the trailer 14. The trailer 14 and the hydraulic excavator 18 are detachably connected to each other via the vertical driving body 16. Traction movement of the trailer 14 by 18, a connection state in which the connection side of the excavator 18 and the trailer 14 is moved up and down, and a disengagement state in which the excavator 18 and the trailer 14 are separated so that the trailer can be connected to another traction vehicle. , And a reclaimed asphalt construction apparatus 10 that can selectively perform. When transporting the asphalt reclaiming equipment to the construction site, it is necessary to move it quickly, for example, using public roads. In this case, the trailer is connected to the truck, and the trailer is pulled by the truck with the asphalt reclaiming equipment mounted. Transport. After arrival at the construction site, the truck and trailer are disconnected, and the trailer is connected to the hydraulic excavator through the first joint part with attachment attached to the vertical drive body of the hydraulic excavator installed in advance. Let In the work, the hydraulic excavator machine and the asphalt regenerator work together, especially excavation of construction sites by the hydraulic excavator machine, supply of the excavated waste asphalt material to the asphalt regenerator, and inclined support with the discharge port side down-graded Adjustment of the supply amount of reclaimed asphalt material by adjustment, traction movement of the asphalt regenerator as work progresses, etc. can be performed smoothly. At this time, the excavator and trailer-equipped asphalt regenerators can work in a tandem arrangement, so they can work while occupying only one side of the road, and work while securing traffic without having to close the road. Can continue. The vertical drive body of the hydraulic excavator machine may use a drive device modified by using hydraulic pressure, but for example, a soil discharge plate can be used. The connection structure with the trailer by the 1st joint part attached to the attachment attached to a soil removal board has preferable universal joint connection. However, there may be a connection configuration in which there is no degree of freedom in the left and right and diagonal directions, and it is simply movable up and down.

  At that time, the vertical driving body 16 may be configured by a soil discharging plate 161 attached to the hydraulic excavator 18 and capable of being driven up and down via a driving device. The earth removing plate can be applied to the earth removing plate attached to the tip of a parallel arm that is supported by a known airframe and can be driven up and down by a driving device.

  In addition, a second joint portion 82 that is detachably connected to the first joint portion 80 is provided on one end side of the trailer 4, and the first and second joint portions may be constituted by a hitch ball connecting mechanism 96. This realizes a detachable and universal joint connection configuration between the hydraulic excavator and the trailer.

  Furthermore, the present invention is to connect a trailer equipped with an asphalt regenerator to a towing vehicle and transport it to a reclaimed asphalt construction site, disengage the trailer from the tow vehicle at the construction site, and remove the trailer via an attachment. Removably connected to the earth plate, excavation on site with hydraulic excavator, loading of asphalt excavation into asphalt regenerator, gradient drive of the entire asphalt regenerator, fine forward movement, and fluid regenerated asphalt production with asphalt regenerator It consists of a reclaimed asphalt construction method that performs on-site construction with excavated reclaimed asphalt.

  According to the reclaimed asphalt construction device of the present invention, the asphalt reclaim device, the trailer equipped with the asphalt reclaim device, the hydraulic excavator that is detachably connected to the trailer and has the vertical drive body, and the trailer attached to the vertical drive body is detachable. An attachment with a first joint portion that is freely connected, and a trailer and a hydraulic excavator are detachably connected via a vertical driving body, and the trailer is moved by the hydraulic excavator and the hydraulic excavator and the trailer are connected. It is possible to selectively use the connected state in which the side is moved up and down and the disengaged state in which the excavator and trailer are separated so that the trailer can be connected to other towing vehicles. , Reducing the waste, and at the same time setting up and starting the work at the asphalt construction site The shortened, further labor savings, in terms of achievable equipment rental cost, construction work precision in the reproduction apparatus rear of the vertical drive for the emission control of recycled asphalt, it is possible to securely reduced time. At the same time, it is possible to reduce the required equipment during work and use that equipment for other purposes, and to effectively operate the work equipment.

  In addition, since the vertical drive body is composed of a soil discharge plate that is attached to the hydraulic excavator and can be driven up and down via a drive device, a special and complicated equipment configuration is made using the soil discharge plate of the hydraulic excavator machine. It is easy to adjust the discharge and supply amount of fluidized reclaimed asphalt material by low-cost, low-cost connection of trailer and hydraulic excavator machine, and vertical drive on the trailer connection end side. I can do it.

  Moreover, since the 2nd joint part detachably connected with the 1st joint part is provided in the one end side of a trailer, and a 1st, 2nd joint part is a structure which consists of a hitch ball connection mechanism, a trailer, a hydraulic shovel machine, It is possible to specifically realize the vertical drive on the connecting end side of the trailer by the detachable connection and the universal joint function after the connection.

Further, according to the reclaimed asphalt construction method of the present invention, the trailer equipped with the asphalt regenerator is connected to the towing vehicle and transported to the reclaimed asphalt construction site, the trailer is detached from the towing vehicle at the construction site, and the trailer is attached. The excavator is detachably connected to the excavator's earth excavator, and the excavator excavates the site, throws the asphalt into the asphalt regenerator, drives the gradient of the entire asphalt regenerator, moves slightly forward, and regenerates the asphalt Since the on-site construction by excavated and reclaimed asphalt is performed while the fluid regenerated asphalt is manufactured by the equipment, the setup time and the construction work time until the start of work at the asphalt construction site are shortened, further reducing labor and equipment rental costs. In addition to being able to achieve this, for the control of recycled asphalt emissions Construction working precision by vertically driving the reproducing device rear, can be securely reduced time. At the same time, it is possible to reduce the required equipment during work and use that equipment for other purposes, and to effectively operate the work equipment.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. In the present invention, waste asphalt obtained by excavating the existing laid asphalt part in road construction etc. is paid for disposal, and recycled asphalt is regenerated at the same time as excavation at the excavation site. Recycled asphalt construction method and recycled asphalt construction equipment that can improve equipment utilization efficiency, greatly improve construction work efficiency, reduce equipment utilization cost, construction cost, etc. By using an attachment with a simple structure, a device that is excellent in practical use is constructed.

  1 to 11 show an embodiment of the present invention. In this embodiment, a reclaimed asphalt construction apparatus 10 includes an asphalt reclaim apparatus 12, a trailer 14, and a hydraulic excavator 18 having a vertical drive body 16. And an attachment 20 attached to the vertical drive body.

FIG. 1 shows an equipment configuration at the time of construction at a construction site such as construction and repair using the reclaimed asphalt construction apparatus 10 of the present invention. In the figure, construction work is shown on a road 100 having a construction area. In this case, the reclaimed asphalt construction apparatus 10 and the hydraulic excavator 18 for connecting the apparatus are arranged in a connected state. The hydraulic excavator 18 moves the actual excavation portion slightly in the forward X direction according to the progress of the work while pulling the regenerated asphalt construction apparatus 10.

1, 3, and 4, the asphalt regeneration device 12 is loaded on the trailer 14, and the construction work is performed by connecting the trailer 14 to a hydraulic excavator machine as a traction drive device. The asphalt regenerator 12 includes, for example, a known device, and as shown in FIGS. 2, 3, and 4, a charging hopper 24 is provided on one end side of the horizontally-turned metal cylindrical drum 22, and a discharge portion is provided on the other end side. 26 is provided. Waste asphalt material obtained by excavation is charged into the charging port of the charging hopper 24. The discharge part 26 is a part from which the regenerated asphalt material M as a regenerated fluid is discharged, and has a continuous tapered part 28 so that the diameter gradually decreases from the body part, and its tip is made smaller than the body diameter. The recycled asphalt material M is discharged from the opening and supplied to the re-laid portion of the road. The asphalt regenerator 12 rotates a cylindrical drum about a horizontal axis as a rotation axis, and feeds waste asphalt material raw material into a drum 22 from a charging hopper 24. The burner is built in and the drum is rotated by a drum rotating motor. While being driven, the raw material is heated and melted by a burner to produce a new asphalt mixture. The regenerated asphalt material that has been heated and fluidized is discharged from the discharge port 26 a through a filter member (not shown) installed inside the discharge unit 26.

In FIGS. 1, 2, and 3, the trailer 14 is a known trailer in which wheels 32 can be mounted and moved on a frame 30, and the frame 30 has a flat loading surface on the upper surface, and loads are loaded on the loading surface. It can be loaded. As shown in FIG. 2, the frame 30 has a horizontally long rectangular structure with a frame assembled, and the asphalt regenerator 12 is mounted on the stacking surface of the frame 30. The asphalt regenerator 12 is fixed by being surrounded by a frame by a fixed frame 34 connected to the frame 30. Specifically, the asphalt regenerator 12 is disposed close to the trailer at one end 14b side (towing rear side), and is supported by the input conveyor support device 36 on the connection side with the hydraulic excavator on the other end 14a side. An input conveyor 38 is installed. The asphalt regenerator 12 is arranged close to one side on the trailer so that the discharge part 26 of the asphalt regenerator 12 is on one end side of the trailer 14, and therefore the hydraulic excavator coupling side 14a of the trailer is lifted and driven. In this case, the discharge port 26a is inclined at a downward slope so that the discharge supply amount of the recycled asphalt material M is adjusted. In FIG. 3, on the frame near the towing rear end (14b) of the fixed frame 34, the rotation support shafts 42 supported by the rotation support table 40 are attached to both sides in the traveling direction. Then, the bottom portion of the fixed frame 34 attached to the rotation support shaft 42 on the side closer to the discharge portion of the cylindrical drum is fixed, whereby the connection end portion side (14a) of the asphalt regenerator 12 rotates around the rotation support shaft 42. It is possible to move. A short leg 44 protrudes and is fixed to the bottom of the charging hopper side of the asphalt regenerator 12 so that it can be driven to a state where it is bottomed on the side of the underframe and a state where it is lifted away from the underframe. In the figure, reference numeral 46 denotes a receiving ring for loading and unloading the asphalt regenerator 12 on the trailer 14.

In FIGS. 2 and 3, a conveyor support device 36 and a loading conveyor 38 are installed in a column on the trailer 14 and adjacent to the asphalt recycling device 12. The feeding conveyor 38 has a belt rotation driving motor 48 on the base side, and the angle of the feeding end 54 with respect to the feeding hopper 24 of the reproducing apparatus 12 is adjusted by the angle adjusting mechanism 50 and the angle biasing maintaining mechanism 52 of the conveyor support device 36. Maintained as possible. In the figure, reference numeral 49 denotes a compressor.

The conveyor support device 36 is composed of a frame frame, and rotatably supports the input side position of the input conveyor 38 by the input side side pivot shaft 56, and is vertically spaced apart from a plurality of holes. The input conveyor 38 is supported by a pin hole 58 and a stopper member (not shown) at a desired gradient so that the angle can be adjusted. Furthermore, the loading conveyor 38 is supported by a damper rod that is pivotally supported at one end by the frame body and pivotally supported at the other end by the side closer to the connecting portion of the conveyor 38. Even when the conveyor is pulled out, the inclined lower side of the conveyor is always urged in the upward direction so that the setup change operation and the like can be performed smoothly.

In FIG. 2, the connection side end portion 14 a of the trailer 14 is formed to project in a triangular shape, and a second joint portion 82 is provided at the tip thereof. The second joint portion 82 is a means that constitutes a direct attachment / detachment coupling mechanism J between the trailer 14 and the hydraulic excavator 18 together with the first joint portion 80 on the hydraulic excavator 18 side. , And a lock lever 86. The ball adapter 84 is a first universal joint means that detachably receives a hitch ball on the first joint side and functions as a universal joint together with the first joint portion, and has a ball insertion opening that is always opened downward. Then, when the lock lever 86 is erected and tilted, either the connection or release of the hitch ball can be switched. As shown in FIG. 3, the trailer 14 is provided with an auxiliary wheel 88 pivotally attached so as to be able to be grounded and flipped up according to use and unnecessary time. Note that CH is an auxiliary connecting chain.

In FIG. 1, a truck 60, a hydraulic excavator 18, and an asphalt regenerator 12 are shown in order from the right side on the road 100, but the truck 60 is not used during construction work on site, and the asphalt regenerator 12 and the hydraulic The excavator 18 is used in a connected state. The truck 60 is pulled to the construction site for towing the trailer 14 as shown in FIG. 10 and separated from the trailer at the site, and the trailer is connected to a hydraulic excavator as shown in FIG. A truck first joint portion 64 is attached to the rear end side of the loading platform 62 of the truck 60. As will be described later, the first joint portion 80 has the same shape and structure as the earth discharging plate first joint portion 80, and has a common function. It can be connected to the connecting portion of the trailer 14 together with the hydraulic excavator.

The excavator 18 has a known configuration, and includes a traveling unit 66, an operating unit 68, and a working unit mechanism 70 in the present embodiment. In the present embodiment, the traveling unit 66 is composed of, for example, a traveling crawler, but may be a wheel-type moving unit. The driving unit 68 is a part on which various parts of control devices, instruments, operation levers, sensors, switches, and the like are mounted, and is provided with an operator seat. The operating unit 68 turns horizontally around the vertical axis v by the turning mechanism. A boom 72 and an arm 74 are connected by being supported by the base of the operation unit, and a bucket 76 for excavation work is attached to the tip of the arm. Each base, boom, arm, and bucket are configured to perform complicated movements by one or a plurality of joint mechanisms. Further, when these parts are driven, they are hydraulically driven by the respective cylinder mechanisms.

3, 4, and 5, the hydraulic excavator machine 18 has a vertical drive body 16. The vertical drive body 16 is a connected vertical drive means for driving a part of the trailer 14 up and down while being detachably connected to the trailer 14. In this embodiment, in particular, the vertical drive body is provided with joint means as a removable connection mechanism. The attached attachment 20 is attached. As a result, the trailer and the hydraulic excavator can be freely attached / detached by the attaching / detaching connecting mechanism J, and the trailer, that is, the fine advance by pulling by the hydraulic excavator of the loaded asphalt regenerator 12 and the excavator machine are connected. It is possible to directly feed waste asphalt material from the bucket into the loading conveyor by excavating and adjust the discharge and supply amount of the flow regenerated asphalt from the discharge port 26a of the asphalt regenerator. In this embodiment, the vertical drive body 16 is configured by using a soil discharge plate 161 that can be driven up and down by a cylinder mechanism, and as shown in FIG. 5, a horizontally long drive having a curved soil discharge surface 162 on the front side. It consists of a metal plate. The attachment 20 is attached to the thick plate upper end edge plate portion 161a of the earth discharging plate 161 by fitting and fixing. The earth removal plate 161 is driven up and down with an arm 90 supported by a cylinder mechanism as a drive device 78 attached to the main body side of the excavator 18.

The attachment 20 is a support means of an attachment / detachment connection mechanism that is attached to the vertical drive body 16 and forms the attachment / detachment connection structure with the trailer 14 side. In this embodiment, as shown in FIGS. It is comprised from the metal U-shaped long frame fitted from the upper end of the earth discharging board 161 which laid down. The U-shaped long frame is configured with a downward opening, and the opening is applied to the upper edge of the earth discharging plate 161 and fitted into the recess, and is fixed by the lock member 92 in the fitted state.

A hitch ball 93 is projected and fixed upward on the upper surface of the U-shaped long frame. The hitch ball 93 is a first joint portion 80 as a component constituting a hitch ball connecting mechanism 96 as a detachable connecting mechanism together with a second joint portion 82 attached to the front end side of the trailer 14, and the second joint portion 82. The ball adapter 84 is fitted in a pushing shape from above. A universal joint is connected by a detachable connecting mechanism, and the connecting portion between the trailer and the hydraulic excavator machine follows in any direction, up and down, left and right, and stably keeps the connecting and connecting state. Here, as shown in FIG. 1, if a hitch ball 93b that fits and fits with the ball adapter 84 on the trailer side is attached to the rear part of the trailer truck 60, the trailer 14 is transported to the site on public roads. Is connected to the truck 60, and the trailer 14 is connected to the hydraulic excavator 18 after arrival at the site, so that during construction work at the site, as shown in FIG. 1, excavation, waste asphalt material introduction, towing for fine advance, regenerated asphalt The material discharge and supply adjustment can be realized by two units, a trailer and a hydraulic excavator. At this time, the truck used for towing conveyance is completely used for other purposes or used to assist on-site work. As a result, the utilization efficiency of the device can be improved. Here, the trailer 14 and the hydraulic excavator 18 are detachably connected via the vertical drive body 16, and the trailer 14 is pulled and moved by the hydraulic excavator 18 in the connected state, and the vertical movement of the connection side of the hydraulic excavator 18 and the trailer 14 is performed. The trailer 14 and the hydraulic excavator 18 are separated and the trailer is connected to other towing vehicles such as trucks, and the asphalt regeneration device 12 is quickly moved by towing the general public road between the device storage place and the construction site. Can be moved to. In FIG. 6, reference numeral 95 denotes an attachment hanging ring.

  Next, the effect | action of the reproduction | regeneration asphalt construction apparatus 10 which concerns on this embodiment is demonstrated with the reproduction | regeneration asphalt construction method. When transporting the asphalt recycling apparatus 12 to the asphalt construction site, as shown in FIG. 10, the truck 60 is connected in a state where the trailer 14 in which the asphalt recycling apparatus 12 and the input conveyor 38 are placed in a retracted state is connected to the truck 60. For example, a general public road or the like is quickly pulled and transported by a pulling force. At this time, for example, the rear portion of the track 60 is formed with a hitch ball 93b projecting backward from the first joint portion protruding upward, and a ball adapter as a second joint portion of the trailer is fitted to the hitch ball. By simply locking, the trailer and the truck can be easily connected by a universal joint connection. A hydraulic excavator machine will be prepared and deployed separately at the construction site. Then, the trailer 14 and the truck 60 are disconnected at the site, and the trailer 14 and the hydraulic excavator 18 are connected. At this time, the first and second joint portions are detachably connected as a hitch ball connecting mechanism, for example, so that the trailer and the track, and the trailer and the hydraulic excavator can be connected and connected easily in a short time. Then, excavate the construction area U with a hydraulic excavator, scrape the obtained waste asphalt material into a bucket, rotate the boom, for example, about 180 degrees, direct the trailer side, and operate the bucket at the tip of the arm to operate the loading conveyor 38 on the conveyor belt. The conveyor-driven waste asphalt material is charged into the charging hopper 24, heated and melted by the asphalt recycling device, and discharged from the discharge port 26a as recycled asphalt material. This recycled asphalt material M becomes a new paving material when re-paving an excavation site. The recycled asphalt material M is generally a fluid having a certain degree of viscosity. Therefore, the recycled asphalt material M is discharged from the discharge port 26a only by the pushing force of the waste asphalt material charged from the charging hopper. Are disposed in the horizontal direction, there are cases where the flow rate of the recycled asphalt material is small or the supply speed is low. For this reason, if the earth removal board 161 as an up-and-down drive body is driven up, and the earth removal board is raised at the universal joint position between the first joint part 80 of the attachment 20 and the second joint part 82 on the trailer side, the horizontal line Hr When the inclination angle of the center line of the discharge port becomes large (becomes a large downward slope), and the soil discharge plate is lowered, the main body approaches a horizontal state and the discharge supply amount from the discharge port decreases. Therefore, the inclination angle of the apparatus main body and the moving speed for taking the inclination position can be quickly performed only by a slight vertical movement by the hydraulic pressure of the earth discharge plate 161 by the excavator 18, thereby reducing the discharge supply amount. It can be operated with high accuracy. At the time of construction work, the trailer 14 and the hydraulic excavator 18 are simply arranged in a column, so that the construction can be continued by occupying only one side of the road as shown in FIG. , Can ensure a certain traffic. In addition, the transport truck can be used for other purposes at the time of work, and the utilization efficiency of the equipment can be improved. In addition, labor-intensive work is greatly reduced and work time can be shortened.

  The reclaimed asphalt construction method and the reclaimed asphalt construction apparatus of the present invention described above are not limited to the above-described embodiments, and can be arbitrarily modified without departing from the essence of the invention described in the claims. You may go.

It is a side view which shows the construction work state by the reproduction | regeneration asphalt construction method and reproduction | regeneration asphalt construction apparatus which concern on embodiment of this invention. FIG. 2 is an enlarged plan view illustrating a part of FIG. 1 omitted. It is a side view of the connection state of the trailer and hydraulic excavator machine of FIG. FIG. 4 is a side action explanatory diagram in a state in which the connection side of the trailer with the hydraulic excavator is raised from the state of FIG. 3. It is an isometric view explanatory drawing which shows the earth removal board and the attachment fitted to this. FIG. 3 is a partially enlarged cross-sectional view taken along line AA in FIG. 2. It is a schematic side view mainly showing a detachable connecting mechanism portion. It is an expansion partial section explanatory view mainly showing a detachable connection mechanism part. It is an expansion partial section action explanatory view mainly showing a detachable connection mechanism part. It is side surface explanatory drawing which shows the pulling conveyance state of the trailer by a truck. It is a top view which shows the construction work state by the reproduction | regeneration asphalt construction apparatus which concerns on embodiment of this invention. It is a top view which shows the construction work state by the conventional reproduction | regeneration asphalt construction method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Asphalt construction apparatus 12 Asphalt reproduction apparatus 14 Trailer 16 Vertical drive body 18 Excavator 20 Attachment 24 Loading hopper 60 Truck 64 Truck 1st joint part 78 Attachment 80 1st joint part 82 2nd joint part 84 Ball adapter 93 Hitch ball 93b Track rear hitchball 96 Hitchball coupling mechanism

Claims (4)

An asphalt regenerator,
A trailer equipped with an asphalt recycling device,
A hydraulic excavator detachably connected to the trailer and having a vertical drive body;
An attachment with a first joint that is attached to the vertical drive body and is detachably coupled to the trailer;
The trailer and the hydraulic excavator are detachably connected via the vertical drive body, the trailer is moved by the hydraulic excavator, the connected state in which the connection side of the hydraulic excavator and the trailer is moved up and down, and the hydraulic excavator and the trailer are separated. A reclaimed asphalt construction device characterized in that a trailer can be selectively connected to another towing vehicle.   The reclaimed asphalt construction apparatus according to claim 1, wherein the vertical drive body is a soil discharge plate attached to a hydraulic excavator and capable of being driven up and down via the drive apparatus.   The reclaimed asphalt construction apparatus according to claim 1 or 2, wherein a second joint part that is detachably connected to the first joint part is provided on one end side of the trailer, and the first and second joint parts are constituted by a hitch ball connecting mechanism. A trailer equipped with asphalt recycling equipment is connected to a towing vehicle and transported to a reclaimed asphalt construction site.
At the construction site, the trailer is detached from the tow truck, and the trailer is detachably connected to the excavator excavator through the attachment,
By excavating and regenerating asphalt while performing on-site excavation with a hydraulic excavator, throwing asphalt into the asphalt regenerator, gradient driving of the entire asphalt regenerator, fine forward movement, and fluid regenerated asphalt production with the asphalt regenerator Recycled asphalt construction method characterized by on-site construction.

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