JPH0772407B2 - Transit feeder device on road cutting mixer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a road cutting mixer applied to a road surface reproduction method, in which a material is provided between a preceding vehicle body and a succeeding vehicle body and a material is passed from the preceding vehicle body. The present invention relates to a transfer feeder device that conveys a vehicle body.

“Conventional technology” Conventionally, in road cutting mixers used to restore existing asphalt pavement surfaces, hopper devices that accept new mix materials from dump trucks, cutter devices that scrape pavement surfaces, and scraping machines. Mixer device that mixes wood and new mix, various devices such as a spreading device that spreads the mixed material mixed by the mixer device to the road surface, and a leveling device that spreads the spread mixed material It is mounted on the running car body.

However, in the above road mixing machine,
Since all the various devices are mounted on the traveling vehicle body, the road cutting mixer itself becomes large and difficult to transport, and the upper limit of the weight is determined due to transportation restrictions, and various devices are downsized. There was a lack of processing capacity due to the need to do so.

Therefore, if the traveling vehicle body is separated into a leading vehicle body and a trailing vehicle body and the various devices are reasonably distributed between the leading vehicle body and the trailing vehicle body, various devices mounted on the individual traveling vehicle bodies are enlarged. The processing capacity can be improved.

[Problems to be Solved by the Invention] By the way, when one traveling vehicle body is separated into a preceding vehicle body and a following vehicle body, it is necessary to convey a new mixture from the preceding vehicle body to the following vehicle body. However, when the preceding vehicle and the following vehicle are run to restore a sharply curved road surface, the following vehicle swings to the left and right with respect to the preceding vehicle, so when transporting a new mixture from the preceding vehicle to the following vehicle. However, this new composite material falls on the road surface, and it is difficult to repair the road surface with a sharp curve.

[Means for Solving the Problems] In order to solve the above problems, the present invention relates to a connecting feeder device in a road cutting mixer that conveys material from a preceding vehicle body to a following vehicle body, wherein the preceding vehicle body and the following vehicle body are provided. And a feeder section is provided between the feeder section and at least one end section of the feeder section, and the feeder section is rotatably connected laterally to at least one of the rear section of the preceding vehicle and the front section of the succeeding vehicle. Is provided so as to be rotatable about an axis located in the width direction of the vehicle body between a rotationally projecting position that is stretched over the preceding vehicle body or the following vehicle body and a storage position that is stored in the vehicle body. Characterize.

[Operation] According to the connecting feeder device for the on-road cutting mixer of the present invention, the feeder portion is provided between the preceding vehicle body and the following vehicle body, and at least one end of the feeder portion is connected to the rear portion of the preceding vehicle body. Since it is connected to at least one of the front part of the following vehicle so as to be rotatable in the lateral direction, even if the following vehicle shakes left and right with respect to the preceding vehicle in a sharp curve, the feeder part follows the shaking of the following vehicle. Rotate. Therefore, the sway of the succeeding vehicle body with respect to the preceding vehicle body is absorbed by the feeder portion, so that the material conveyed from the preceding vehicle body to the succeeding vehicle body does not drop on the road surface, and therefore the road surface with a sharp curve can be repaired without difficulty. be able to.

Further, the feeder unit is rotatably provided around a shaft located in the width direction of the vehicle body between a rotationally projecting position that is stretched over the preceding vehicle body or the following vehicle body and a storage position that is accommodated in the vehicle body. Therefore, by arranging this in the storage position when the material is not transported and when it is not in operation, the preceding car body can handle the following car body individually, which improves the mobility of the road cutting mixer. It is possible to raise it.

[Embodiment] An embodiment of a connecting feeder device for a road cutting mixer according to the present invention will be described below with reference to FIGS. 1 to 5.

First, before describing the transfer feeder device according to the present invention, the overall configuration of the preceding vehicle body and the following vehicle body will be described with reference to FIGS. 4 and 5.

That is, in these drawings, reference numerals 1 and 2 respectively indicate the leading vehicle body and the trailing vehicle body.

A hopper device 3 for receiving a new mixture from a dump truck or the like is provided at the front part of the preceding vehicle body 1. The hopper device 3 comprises a pair of left and right wings 4, 4 rotatably provided in the vertical direction via hinges 5, 5 which are parallel to each other.
It is rotated up and down about an axis to stand upright at a predetermined angle with respect to the horizontal.

Further, the front vehicle body 1 is provided with a feeder device 10 extending in the widthwise central portion thereof between the wings 4, 4 to the rear portion of the front vehicle body 1. This feeder device 10 is a conveyor bar which is installed on a drag pan 11 mounted on the preceding vehicle body 1 so as to be gradually higher toward the rear part, between a pair of endless chains 13, 13 at a predetermined interval. Is configured to be moved by the endless chains 13, 13, and the new composite material introduced into the hopper device 3 by the movement of the transport bar is added to the preceding vehicle body 1.
It is adapted to be conveyed to the rear end portion and then to be carried out by the carry-out chute 14.

Further, on the lower surface of the preceding vehicle body 1, behind the front wheels 20, 20, there is provided a heating device 25 for heating the existing pavement road surface before scraping it off. It is adapted to be lifted and lowered by a hydraulic cylinder 26.

Further, on the frame behind the heating device 25, a cutter device for scraping off the paved road surface heated by the heating device 25.
32 are provided.

That is, the cutter device 32 is provided with a pair of telescopic cutters 33, 33 which are provided so as to freely come into contact with and separate from each other in a direction orthogonal to the traveling direction of the preceding vehicle body 1 and whose raking width can be changed, and the telescopic cutters 33, 33. Has a fixed cutter 34 provided at the rear of the vehicle, and the expansion and contraction cutters 33, 33 and the fixed cutter 34 are supported by a frame of the preceding vehicle body 1 so as to be vertically movable.
It is rotatably supported on the axis 35. This support member
35 is moved up and down by a hydraulic cylinder 36, whereby the raking depth is adjusted. Then, in the cutter device 32 having the above-described configuration, the expansion and contraction cutters 33, 33 are moved closer to and separated from each other to adjust the scraping width, and the expansion and contraction cutters 33, 33 scrape the road surface, and the fixed cutter 34 expands and contracts the cutters 33, 33. It is designed to scratch the surface of the road that has been left unbroken.

Further, as shown in FIG. 5, a pickup feeder 40 is provided at the front end of the following vehicle body 2 to scoop up the scraping and squeezing material scraped by the cutter device 32.

That is, the pickup feeder is provided at the front of the succeeding vehicle body 2.
A casing 41 of 40 is provided with its rear end portion supported by a shaft 42, and the casing 41 is configured to rotate in the vertical direction with a shaft 42 serving as a fulcrum by a hydraulic cylinder 43. Further, at the tip of this casing 41, an auger casing 44 having a front surface and a lower surface opened is provided.
An auger is supported in the auger casing 44 so as to be rotatable around its axis. Further, inside the casing 41, a feeder device having the same structure as the feeder device 10 of the preceding vehicle body 1 is provided, and by this feeder device, the scraper scraped by the auger to the widthwise central portion of the following vehicle body. The material is conveyed to the rear and is unloaded from the opening formed at the rear end of the casing 41 onto the weighing feeder device 45 described later.

Behind the pickup feeder 40, a weighing feeder device 45 is provided, and the weighing feeder device 45 is
While transporting the scraped material, weigh its weight,
It is adapted to supply to a mixer device 46 provided behind the weighing feeder device 45.

Further, a weighing feeder device 47 is provided above the weighing feeder device 45. The weighing feeder device 47 conveys the new mixture supplied from the preceding vehicle body 1 and weighs the weight of the new mixture. It is adapted to supply to the mixer device 46.

Further, behind the mixer device 46, the mixer device 46
Device for rolling out the mixed material mixed by the method to the road surface
48 are provided. The unwinding device 48 is a screw 48 that extends in the width direction of the following vehicle body 2 and is rotatable about its axis.
a is supported by a frame at the rear end portion of the succeeding vehicle body 2 via a support member 48b so as to be able to move up and down, and is raised and lowered by a cylinder 48c. By rotating the screw 48a, the mixed material is moved in the width direction of the succeeding vehicle body 2. It is designed to be evenly distributed on the road surface while being transferred to.

Behind the spreading device 48, there is provided a leveling device 49 which spreads the mixed material evenly distributed on the road surface evenly on the road surface and solidifies it. The leveling device 49 has one end attached to the center of the following vehicle body 2 and is attached to and supported by the other ends of a pair of leveling arms 50, 50 extending rearward, and is lifted and lowered by a hydraulic cylinder 51. The left screed 49a, which is movably provided in a direction orthogonal to the traveling direction of the following vehicle body 2 and spreads to the left to extend the leveling width, and the following vehicle body 2 is provided behind the left screed 49a.
And a right screed 49b that is movably provided in a direction orthogonal to the traveling direction and extends to the right to spread the leveling width. Then, a vibrator provided on each screed 49a, 49b gives vibration to each screed 49a, 49b, and a screed plate on the lower surface flatly presses and mixes the mixed material on the road surface. .

Further, the feeder device 10 is provided at the rear of the preceding vehicle body 1.
The transfer feeder device F according to the present invention is provided for transferring the new mixture material conveyed to the rear part of the preceding vehicle body 1 to the following vehicle body 2.

That is, as shown in FIGS. 1 to 3, a pair of brackets 51, 51 are provided in the rear frame of the preceding vehicle body 1 in parallel with each other in the width direction of the preceding vehicle body 1. The respective tip portions of these brackets 51, 51 are located immediately below the rear end portion of the feeder device 10, and the rotary shafts 51 are provided at the respective tip portions.
a and 51a are rotatably supported, and the rotation shafts 51a and 51a
The base ends of the arms 52, 52 are fixedly connected to the outer ends of the arms. The front end of this arm 52 is rotatably connected to the front end of a piston rod 53a of a cylinder 53 whose base end is rotatably connected to the rear frame of the preceding vehicle body 1.

Also, the rotary shafts 51a, 51a supporting the arms 52, 52, respectively.
One ends of brackets 54, 54 are fixed to the inner ends of the brackets, respectively, and a support frame 55 is installed on the other ends of the brackets 54, 54. A bearing 56a is fixed to the center of the base end of the support frame 55, and a rotary shaft 56 fixed to the lower surface of the base end of the feeder unit 57 is rotatably fitted to the bearing 56a. The feeder part 57 is attached to the support frame 55 so as to be able to pivot in a plane parallel to the support frame 55. A cam follower 58 is attached to an intermediate portion in the longitudinal direction of the lower surface of the feeder portion 57, and when the feeder portion 57 rotates about the rotation shaft 56,
The cam follower 58 moves above the support frame 55 and the feeder section 57.
It is designed to move while rolling while supporting the free end side of.

The feeder unit 57 includes a drag pan 59 provided in parallel with the support frame 55, and a pair of endless chains including a transport bar 60 that moves by contacting the upper surface of the drag pan 59.
A conveyor belt 62 erected at a predetermined interval between 61 and 61,
The feed hopper 63 that receives the new composite material conveyed by the feeder device 10 at the base end side of the feeder unit 57 and supplies it to the conveyor belt 62, and the new composite material conveyed by the conveyor belt 62 are fed by the feeder unit 57. The rear end portion is mainly configured with a carry-out hopper 64 that carries out to the following vehicle body 2.

Each endless chain 61 of the conveyor belt 62 is attached to a drive shaft 66 and a pair of sprockets 65a attached to support shafts 65 provided at both end positions of the feeder portion 57 by sandwiching the drag pan 59 in the longitudinal direction. The pair of sprockets 66a is stretched by being hung around the pair of sprockets 66a, and by rotating the drive shaft 66 around the shaft via a chain 68 by a drive motor 67 fixed to the upper surface on the tip side of the feeder portion 57, The transfer bar 60 is transferred along the drag pan 59 toward the discharge hopper 64. Drive motor 67
Position can be adjusted by moving its mounting base 67a with the adjusting screw 67b.
The tension of the chain 68 wound around 67c and another sprocket 66c attached to the drive shaft 66 can be adjusted.

Further, at the base end portion of the feeder portion 57, the support shaft 65 is axially sandwiched, and the bearings 65b at both ends of the support shaft 65 are movably supported in the longitudinal direction of the feeder portion 57, so that the load may change with time. An adjusting bolt 69 is attached to apply tension to the slack of the extending endless chain 61.

Next, the operation of the transfer feeder device F having the above configuration will be described. When the road surface reclaiming method is performed by the road cutting mixer, the preceding vehicle body 1 and the following vehicle body 2 run in parallel, and the devices mounted on the vehicle bodies 1 and 2 are operated to proceed with the work. . In this case, the transit feeder device F is extended from the preceding vehicle body 1 to the following vehicle body 2 so that the new mixture material is conveyed from the preceding vehicle body 1 to the following vehicle body 2.

To bridge the transfer feeder device F on the succeeding vehicle body 2, first, the piston rod 53a of the cylinder 53 is extended. Then, the arm 52 starts to rotate upward, and along with this, the support frame 55 supporting the feeder portion 57 starts to rotate upward around the rotation shaft 51a. Further, the piston rod 53a is extended, and the support frame 55 is rotated until the tip end portion of the feeder portion 57 is located slightly above the base end portion.
At this time, the feeder hopper 63 of the feeder unit 57 is fed to the feeder device.
10 carry-out chutes 14 are inserted.

Then, the preceding vehicle 1 is retracted or the following vehicle 2
To move the carry-out hopper 64 of the feeder unit 57 to the following vehicle body 2
Located above the hopper 47a of the weighing feeder device 47 of
By contracting the piston rod 53a of the cylinder 53, the carry-out hopper 64 is inserted into the hopper 47a.

In this state, the rotary shaft 56 rotatably supporting the feeder portion 57 is located below the carry-out chute 14 of the feeder device 10 of the preceding vehicle body 1, so that the feeder portion 57
Even if is rotated about the rotating shaft 56, the supply hopper 63 is rotated around the axis at a substantially constant position and does not come off the carry-out chute 14, and when the feeder unit 57 is rotated,
The cam follower 58 moves above the support frame 55 and the feeder section 57.
The hopper 47a is moved while supporting it, and is rotated relative to the hopper 47a in which the carry-out hopper 64 is inserted.

Then, the new mixture material conveyed by the feeder device 10 of the preceding vehicle body 1 is supplied from the discharge chute 14 of the feeder device 10 onto the drag pan 59 via the supply hopper 63 of the feeder portion 57, and further by the conveyor bar 60. It is conveyed to the front end of the feeder portion 57, and is conveyed from the carry-out hopper 64 to the weighing feeder device 47 of the succeeding vehicle body 1 via the hopper 47a.

While the new composite material is being conveyed by the feeder unit 57, the preceding vehicle body 1 and the following vehicle body 2 are traveling at a constant speed,
When these approach a sharp curve, the following vehicle body 2 swings left and right with respect to the preceding vehicle body 1. At this time,
The feeder unit 57 follows the shake of the succeeding vehicle body 2 to rotate the rotary shaft.
Although it rotates about 56, even if the feeder unit 57 rotates, the supply hopper 63 does not disengage from the carry-out chute 14 only by rotating the supply hopper 63 about its axis at a substantially fixed position.
Since the carry-out hopper 64 of 57 does not come off from the weighing feeder device 47 hopper 47a of the succeeding vehicle body 2, when the new mixture material is conveyed from the preceding vehicle body to the succeeding vehicle body, the new mixture material may drop on the road surface. Therefore, it is possible to repair a road surface having a sharp curve, which was difficult in the past.

Although the feeder portion 57 is attached to the rear end portion of the preceding vehicle body 1 in the above embodiment, the present invention is not limited to this, and may be attached to the front end portion of the following vehicle body 2.

In the above embodiment, the position indicated by the alternate long and short dash line of the feeder portion 57 corresponds to the "rotation protruding position" in the claims, and the position indicated by the solid line of the feeder portion 57 is the "storage position" in the claims. Equivalent to.

"Effects of the Invention" As described in detail above, according to the connecting feeder device in the road cutting mixer of the present invention, the feeder section is provided between the preceding vehicle body and the following vehicle body, and at least one of the feeder sections is provided. Since the end portion is laterally rotatably connected to at least one of the rear portion of the preceding vehicle body and the front portion of the following vehicle body, even if the following vehicle body sways to the left and right with respect to the preceding vehicle body in a sharp curve, The part rotates following the sway of the following car body. Therefore, the sway of the succeeding vehicle body with respect to the preceding vehicle body is absorbed by the feeder portion, so that the material conveyed from the preceding vehicle body to the succeeding vehicle body does not drop on the road surface, and therefore the road surface with a sharp curve can be repaired without difficulty. be able to.

Further, the feeder unit is rotatably provided around a shaft located in the width direction of the vehicle body between a rotationally projecting position that is stretched over the preceding vehicle body or the following vehicle body and a storage position that is accommodated in the vehicle body. Since it is the one that was used, the preceding vehicle and the following vehicle can be handled separately by arranging this in the storage position when the material is not transported and when it is not in operation, which enhances the mobility of the road cutting mixer. It becomes possible.

[Brief description of drawings]

1 to 5 show an embodiment of a transfer feeder device in a road cutting mixer according to the present invention, and FIG. 1 is a side view of the transfer feeder device attached to the rear portion of the preceding vehicle body, 2 is a view taken along the line AA in FIG. 1, and FIG.
FIG. 4 is a side view of the preceding vehicle body, and FIG. 5 is a side view of the following vehicle body. 1 …… Preceding vehicle 2 …… Succeeding vehicle 51a …… Rotating axis (axis) 57 …… Feeder section

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ichiro Miyazaki 1-19-11 Kyobashi, Chuo-ku, Tokyo Within Nippon Tappido Co., Ltd. (56) References Japanese Patent Publication Sho 58-48697 (JP, B2)

Claims (1)

[Claims] 1. A transfer feeder device in a road cutting mixer for conveying material from a preceding vehicle to a following vehicle, wherein a feeder section is provided between the preceding vehicle and the following vehicle, and at least one end of the feeder section is provided. At least one of the rear portion of the preceding vehicle body and the front portion of the following vehicle body is rotatably connected in the lateral direction, and the feeder portion is a leading vehicle body or a trailing vehicle body about an axis located in the vehicle body width direction. A transfer feeder device in a road cutting mixer, which is rotatably provided between a rotationally protruding position that is hung on a vehicle body and a storage position that is stored in the vehicle body.