JP3312293B2 - Self-propelled concrete finishing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete finishing machine, and more particularly, to a concrete thin overlay pavement work in which it is difficult to install rails for running the machine, and a traveling direction for the purpose of forming a pavement shoulder. The present invention relates to a self-propelled (off-rail) concrete finishing machine that is advantageous for reducing the work of laying a formwork installed on both sides or one side.

[0002]

2. Description of the Related Art In a so-called concrete thin-layer overlay pavement construction in which new concrete is spliced and adhered in a thin layer on an existing concrete slab (paving slab, floor slab), rails are installed on both sides of a pavement road. The construction was mainly performed by running a pavement machine along the rail (on-rail type).

[0003]

However, in such a conventional method, there is a problem that laying rails requires manual work and requires much labor. In addition, it is customary for this construction to open the traffic within a limited time, and because there is a rail laying work type, the working time is continuously long and night work must be performed. There is a problem that such an inferior working environment results.

[0004] Furthermore, since the work is performed while traveling on a temporary rail on which the construction machine is laid, there is a problem in that running stability is poor. In addition, since conventional pavement machines cannot travel on roads on which rails are not laid, it is necessary to load and unload pavement machines from a transport trolley at the work site. You have to prepare and you have to be a complicated work site.

[0005] As described above, in the method of performing the construction by running the pavement machine along the rail in the conventional concrete thin-layer overlay pavement construction, it takes a great deal of time to prepare the construction, and in a poor environment. Work has to be performed, and furthermore, a great deal of cost is required, which is disadvantageous in terms of cost. The present invention has been made in order to solve the conventional problems as described above, and when performing a concrete thin layer overlay pavement construction or the like where it is difficult to install a rail for running the machine, and for the purpose of making a shoulder of the pavement. An object of the present invention is to provide a self-propelled concrete finishing machine that is advantageous for reducing the work of laying a formwork installed on both sides or one side in the traveling direction.

[0006]

Therefore, the invention according to claim 1 is used for pavement work in which new concrete is spliced and integrated into a thin layer on an existing concrete slab .
A spreading device that spreads and spreads the concrete material supplied on the existing concrete slab, a compaction device that compacts the spread material, and determines the height of the compacted material and spreads it at that height. A machine equipped with a leveling device for leveling and a surface conditioning device for leveling the leveled concrete surface, on a body capable of traveling, in this order from the front in the traveling direction ,
The width for adjusting the width of the compacting device and the leveling device
Adjustment device, and adjust the width adjustment device
Width with a predetermined horizontal length perpendicular to the row direction
A width adjustment block and a predetermined width adjustment block based on the width adjustment block.
The compaction device and the leveling device having a horizontal length
Coupling means for detachably coupling to the main body.
, And the width of the coupling means is adjusted at the end side.
The width adjustment block and the main body are engaged with the block end face.
Holds the parts and each width adjustment block against each other
The member is detachably engaged with the engaging portion on the holding member side.
An engaging portion is provided in the operating portion, and each width adjusting block is fixed to the compaction.
Force held by the device and the body of the leveling device
Actuator that always acts through the holding member
And is characterized by comprising.

According to a second aspect of the present invention, there is provided a moving device for moving the compacting device, the flattening device, and the surface conditioning device in a horizontal direction perpendicular to the traveling direction of the vehicle body. And In the invention according to claim 3, wherein
The surface conditioning device is configured to automatically traverse in a horizontal direction perpendicular to the traveling direction of the vehicle body while sliding in the traveling direction of the vehicle body, and to a predetermined constant with respect to the spread concrete surface. It is characterized by comprising a mechanism for following a surface shape by a load.

[0008]

According to a fourth aspect of the present invention, there is provided a pair of scaffolding members which are disposed on the vehicle body in a predetermined horizontal direction perpendicular to the traveling direction of the vehicle body and extend in the traveling direction of the vehicle body. And a pair of scaffold members that are vertically movable and laterally move so that the predetermined horizontal distance can be adjusted.

[0010] The invention according to claim 5 is characterized in that the vehicle body is provided with a hopper for temporarily retaining the concrete material and a device for supplying the concrete material onto the existing concrete slab.

According to a sixth aspect of the present invention, in the hopper,
An agitator device for crushing concrete is provided. In the invention according to claim 7, wherein ShikiHitoshi device is mounted to the leveling arm provided on the vehicle body right and left with respect to the vehicle body in the traveling direction of the該敷equalizing device in Rutotomoni other end is connected to the vehicle body at one end Orthogonal
An elevating device connected to the leveling arm via a slide frame capable of moving horizontally, and a vertically movable pivot device connected to the vehicle body at one end and pulling the leveling arm at the other end. , The height of the material is determined. The invention according to claim 8 , wherein the lifting device is operated by a rear control device mounted on each of the left and right ends of the flattening device to maintain a predetermined predetermined height, and the pivot device is provided. Are mounted respectively on the left and right of a substantially central portion in the traveling direction of the vehicle body, and are operated by a front control device that detects vertical movement of the vehicle body.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the attached drawings. FIGS. 1 and 2 show an off-rail as one embodiment of a self-propelled concrete finishing machine (a machine used for pavement work for joining and integrating new concrete on a thin concrete layer in a thin layer) according to the present invention. FIG. 1 shows a side view and a plan view of a type thin-layer concrete finishing machine (hereinafter simply referred to as a concrete finishing machine).

In these figures, a concrete finishing machine 1 includes a device for supplying a concrete material and an existing co-worker.
And laid spread device concrete material supplied onto the Nkurito version, device and Ru compacting the laid spread was material,
A device for spreading the compacted material and a device for preparing the spread concrete surface are provided at the rear of the movable vehicle body 4. To describe such a configuration in detail,
A motor (not shown) is mounted on the vehicle body 4,
In the lower part, the steering wheel 2 is provided at the front, and the driving wheel 3 is provided at the rear.
And a driver's seat 15 is provided above the vehicle body 4.

A hopper 5 for temporarily storing a concrete material is provided at a front portion of the vehicle body 4, and an agitator device 16 for crushing hard concrete material is provided on a front wall in the hopper 5. Is provided. The agitator device 16 includes a rotary blade 16A, a motor 16B as a driving device for rotationally driving the rotary blade 16A, a hydraulic cylinder device 16C as a moving device for moving the rotary blade 16A in the vertical direction, and a rotary blade 16A. And a variable device (not shown) for varying the rotation speed of the motor.

The rotary blade 16A is provided with a plurality of wedge-shaped cross-shaped blades 16a, and the number of rotations can be arbitrarily changed according to the hardness of the concrete material. When an irregular terrain vehicle (regardless of a tire type or a crawler type) for supplying a concrete material into the hopper 5 is used depending on site conditions, the irregular terrain vehicle is placed in the front of the hopper 5 A pair of scaffold members 6 serving as a road plate for moving to a position near 5 are provided.

The scaffolding member 6 is of a slope type, is disposed on the left and right sides of the vehicle body 4, extends in the traveling direction, and is detachably attached to the front of the hopper 5.
Also, this scaffold member 6 can move up and down and cope with dreads caused by differences in types of uneven terrain vehicles.
The lateral movement is performed so that the horizontal interval can be adjusted. For example, a hydraulic cylinder device 6A is provided between the front of the vehicle body 4 and the bottom of the scaffold member 6, and the hydraulic cylinder device 6A The scaffold member 6 is rotated via the hinge portion 6B and vertically moved by the expansion and contraction operation of.

The operation of the scaffold member 6 may be performed by a driver or another third party. The central interior of the vehicle body 4, is equipped with transport device such as a conveyor of the apparatus supplies a kneeling leveling concrete material (not shown), after the vehicle body 4 portion, conveyed supplied by the conveying device screw spreader device 7 of the concrete <br/> material as a device to spread laid on existing concrete panel is equipped. The screw spreader device 7 has a device that can rotate forward and reverse and that can freely change the rotation speed.

Furthermore, the vehicle body 4 rear, <br/> mold plates 9 as tamping vibrator device 8, and leveled laying compacted material device as compacted Ru apparatus tighten the bedding spread was material Equipped. The tamping vibrator device 8 has a vibration device (not shown), and is configured to move up and down at a certain constant speed.

The mold plate device 9 arranged at the rear of the tamping vibrator device 8 is spread and spread.
Equipment to finish concrete material to a specified height
Also works. Further, a floating screed device 10 as a device for uniformly adjusting the spread concrete surface is provided at the rear portion. The floating screed device 10 has a vibration device 10A, and is configured to automatically traverse in a horizontal direction perpendicular to the traveling direction of the vehicle body 4 while sliding in the traveling direction of the vehicle body 4. I have.

The floating screed device 1
No. 0 is provided with a mechanism for following the surface shape with a predetermined constant load on the spread concrete surface. That is, the floating screed device 10 has a structure in which the weight can be arbitrarily varied with respect to the spread concrete surface, always maintains an appropriate surface pressure, and is not restricted by vertical movement. Therefore, it has a structure that always flexibly follows the spread concrete surface.

1 to 3, the above-described tamping vibrator device 8, mold plate device 9, and floating screed device 10 are fixed to the lower part thereof.
The slide frame 11 as a slide member is
And a pivoting device 12 configured to be vertically movable. The slide frame 1 is slid so that the slide frame 11 can be slid in a horizontal direction orthogonal to the traveling direction of the vehicle body 4.
1 are provided with slide support shafts 11A and 11B for supporting the hydraulic cylinder 1 and a hydraulic cylinder device 11C as a slide device. The slide frame 11 and the slide support shaft 11
A, 11B, and the hydraulic cylinder device 11C
Vibrator device 8, mold plate device 9, and
Rotating screed device 10 in the direction of travel of vehicle body 4
A moving device for moving in a horizontal direction orthogonal to the
Function.

That is, since the concrete finishing machine 1 is of a self-propelled type, there is a possibility that it may meander and steer in some cases, and the pedestrian block A (see FIG. 2), the concrete finishing machine 1 hits the obstacle, and the work cannot be continued. In such a case, by operating the slide frame 11, the tamping vibrator device 8, the mold plate device 9 and the floating screed device 10 are moved in a horizontal direction orthogonal to the traveling direction of the vehicle body 4.
Even when the whole slides and there is an obstacle such as the pedestrian block A at both ends of the spread concrete material, the work can be continued without hitting the concrete finishing machine 1.

Here, a tamping vibrator device 8, a mold plate device 9 and the like are mounted below the slide frame 11, but the tamping vibrator device 8 and the mold plate device 9 need to be attached or detached depending on the pavement width. In such a case, conventionally, dedicated parts are incorporated with bolts or the like, but since the weight of the dedicated parts is large and fastening work with bolts or the like is necessary, long-time work and heavy labor are required. I was

In the present embodiment, as shown in FIGS. 4 to 6, a device 18 for adjusting the width of the tamping vibrator device 8 and the mold plate device 9 is provided. That is, as an example of such an adjusting device, a width adjusting block 18A having a predetermined lateral length and a lateral length based on the width adjusting block 18A are described as a device for adjusting the width of the mold plate device 9. And a coupling means for detachably coupling to the main body 9A of the mold plate device 9 having a thickness.

This connecting means is engaged with the end face of the width adjustment block 18A located on the end side, so that the width adjustment block 1
8A, the main body 9A, and the plate-shaped holding member 18B that presses and holds the respective width adjusting blocks 18A to each other, and an engaging portion (not shown) that is detachably engaged with the engaging portion 18a on the holding member 18B side. ) At the distal end of the operating rod 18b as an operating portion, and each width adjustment block 18A is
And a hydraulic cylinder device 18C as an actuator that constantly applies a tensile force to A through a holding member 18B.

In the prior art, when the above-mentioned dedicated parts were assembled, fine adjustment was required so as to avoid a step. However, in this embodiment, the connecting surface between the width adjusting blocks 18A is provided on the outer peripheral surface of the distal end portion. Are formed with a pin 18c and a pin hole (not shown) formed on a tapered surface, and the pin 18c and the pin hole are fitted at the time of coupling by the coupling means, so that a step is generated on the connection surface. Not configured.

The width adjustment block 1 of the holding member 18B
A pin 18c is also formed on the contact surface with 8A, and this pin 18c is adapted to be fitted into a pin hole on the side of the width adjustment block 18A located on the terminal side. In addition, laying expansion
Control devices for controlling a device for finishing the extruded concrete material to a predetermined height (thickness) are mounted on both ends of the mold plate device 9 and on the right and left sides of a substantially central portion of the vehicle body 4 in the traveling direction.

This control device will be described in detail. The mold plate device 9 for determining the height of the concrete material and finishing it to that height is mounted on a leveling arm 13 via a slide frame 11, and this leveling arm 13 is pivoted at substantially the right and left central portions of the vehicle body 4. Device 12
Has been towed through. However, the mold plate 9 which determines the height leveling flooring is adjusted via the lifting device 17 which is connected to the leveling arm 13 and the vehicle body 4 via a slide frame 11 is performed.

In this case, when the concrete finishing machine 1 gets over the uneven portion on the pavement surface during its progress,
A circular orbit is drawn with the pivot device 12 as a center point, and the positions of the front end and the rear end of the mold plate device 9 for leveling are changed, so that the swallowing angle of the appropriate material is changed and the leveling is performed. Surface properties also change. In order to solve such a problem , the control devices 14A, 14B
Is installed.

[0030] That is, the front of the control device 14A is the vehicle body 4
It is mounted on the left and right of the approximate center of the traveling direction, and detects the vertical movement of the vehicle body, and operates the pivot device 12 up and down. Since the mold plate device 9 is mounted on the leveling arm 13 pulled through the pivot device 12, the height of the mold plate device 9 is adjusted by the up and down movement of the pivot device 12, while the mold play is performed.
The rear control device 14B mounted on the left and right sides of both ends of the remote control device 9 operates the elevating device 17 with an installed guide or the like in order to maintain a predetermined predetermined height. Since the elevating device 17 is also connected to the leveling arm 13 similarly to the pivot device 12, the position of the mold plate device 9 is adjusted by elevating the elevating device. In addition to the automatic operation by the control devices 14A and 14B, a manual operation can be selected.

In FIG. 2, B is a mold. According to the self-propelled concrete finishing machine 1 described above, a device for supplying a concrete material (a conveying device such as a conveyor), a device for spreading and spreading the supplied material (a screw spreader device 7), and a device for spreading and spreading the material. Compaction
Device (tamping vibrator device 8) and compaction
Equipment to spread the spread material (mold plate equipment 9)
And a device (floating screed device 10) for preparing the spread concrete surface at the rear of the vehicle body 4 capable of running, so that when the concrete finishing machine 1 is carried in and out of the site, a large Eliminates the need for cranes, leading to cost savings.

In addition, during pavement work, traffic on one side lane is often released, and the risk of accidents can be reduced by not using a large crane truck.
Furthermore, since the concrete finishing machine 1 is a self-propelled type, rail installation work conventionally required for concrete laying work is not required, so that work time for rail installation and labor from heavy labor can be reduced. The area required for the work site is reduced, and costs can be reduced, and the width of the traffic release area can be increased. Therefore, the risk of accidents can be reduced. .

Furthermore, in leveling devices laid tamping vibrator device 8 and compacted material is compacted Ru apparatus tighten the material is spread spread by widening changes paving width
Although the mounting operation of a certain mold plate device 9 is required, in this embodiment, since the tamping vibrator device 8 and the device 18 for adjusting the width of the mold plate device 9 are provided, the fastening operation of bolts and the like is not performed. , The width of the tamping vibrator device 8 and the mold plate device 9 can be easily and reliably adjusted,
The labor and time involved in the work can be significantly reduced.

Since the concrete finishing machine 1 is a self-propelled type, it may meander and steer in some cases. When the concrete finishing machine 1 hits, the work cannot be continued. In such a case, as described above, by operating the slide frame 11, the entire tamping vibrator device 8, the mold plate device 9, and the floating screed device 10 can slide in the horizontal direction orthogonal to the traveling direction of the vehicle body 4. Therefore, the concrete finishing machine 1 does not hit and the operation can be continued.

In particular, such a configuration is advantageous in the following points. That is, with a normal spreading machine, the spreading machine contacts the sidewalk block A as described above and cannot move forward. In such a case, the spreader must be reset by lifting the spreader. For example, in the case of a normal concrete material, since the hardening time is slow, there is ample time, and the time for resetting as described above may be required. If it is a material, it can be used for an extremely short time (for example, 10
(15 minutes), so there is no time to spare.

In such a case, as described above, the entire tamping vibrator device 8, mold plate device 9, and floating screed device 10 can slide in the horizontal direction orthogonal to the traveling direction of the vehicle body 4, In a configuration in which the concrete finishing machine 1 does not hit and the operation can be continued, the operation can be smoothly performed, and time loss is advantageously reduced.

[0037]

According to the first aspect of the present invention, a large-sized crane is not required when a concrete finishing machine is carried in and out of a site, which leads to a reduction in costs. In many cases, the use of large cranes can reduce the risk of accidents by eliminating the use of large cranes, and the installation of rails, which was previously required for leveling concrete, becomes unnecessary. It is possible to reduce the work time and heavy labor for installing the rails, reduce the area required for the work, and reduce costs and increase the width of the traffic release area. Therefore, the risk of an accident can be reduced. further,
Compaction device and compaction for compacting spread material
Device to adjust the width of the spreading device to spread the spread material
And a predetermined horizontal direction orthogonal to the direction of travel of the vehicle
Adopts configuration by combining width adjustment blocks with length
Therefore, without performing the work of fastening bolts, etc.,
The width can be adjusted easily and reliably,
Labor and time can be greatly reduced .

According to the second aspect of the present invention, even when there is an obstacle such as a pedestrian block at both ends of the spread concrete material, the concrete finishing machine does not hit the obstacle and the work can be continued. It is possible to work smoothly, especially when using ultra-high strength concrete material such as jet concrete material,
This is advantageous because time loss is small.

According to the third aspect of the present invention, the device for preparing the spread concrete surface is configured to automatically traverse, and the weight can be arbitrarily varied with respect to the spread concrete surface. The structure makes it possible to efficiently prepare the concrete surface, maintain the appropriate surface pressure at all times, and is free from up-and-down movement, so it always flexibly follows the spread concrete surface. can do.

[0040]

According to the fourth aspect of the present invention, when an uneven terrain vehicle (regardless of a tire type or a crawler type) for supplying a concrete material to a hopper or the like is used depending on site conditions, the irregular terrain is used. A road plate for moving the transport vehicle to a position near a popper or the like can be easily configured. According to the invention according to claim 5 , the concrete material can be temporarily retained and held, and the concrete material can be supplied onto the existing concrete slab. According to the invention of claim 6 , the hard concrete material can be easily crushed in the hopper.

According to the invention according to claims 7 and 8 , the spread concrete material can be finished to a predetermined height (thickness). In the case of going over an uneven portion, the positions of the front end and the rear end of the spreading device do not change, the proper swallowing angle of the material does not change, and the properties of the spreading surface do not change.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a self-propelled concrete finishing machine according to the present invention.

FIG. 2 is a plan view thereof.

FIG. 3 shows a device for compacting spread material, a device for spreading compacted material, and a device for preparing a spread concrete surface in the same embodiment.
Enlarged front view of a moving device that moves in a horizontal direction perpendicular to the traveling direction of the vehicle body

FIG. 4 is an enlarged front view of a connecting means for detachably connecting to a device main body having a predetermined predetermined horizontal length of the width adjusting block in the embodiment of the present invention;

FIG. 5 is a perspective view of a width adjusting block in the connecting means according to the first embodiment;

FIG. 6 is a perspective view of a holding member of the same coupling means.

[Explanation of symbols]

 Reference Signs List 1 concrete finishing machine 4 body 5 hopper (device for supplying concrete material) 6 scaffolding member 6A hydraulic cylinder device 7 screw spreader device (Spread8) Tamping vibrator device (CompactionEquipment) 9 Mold plate equipment (Mat floor9A Main body 10 Floating screed device (Surface preparationDevice) 11 Slide frame (moving device, slide member) 12 Pivot device  13 Leveling Arm 14A Front Control Device (Control Device) 14B Rear Control Device (Control Device) 16 Agitator Device 16A Rotating Blade 16B Motor 16C Hydraulic Cylinder Device 17 Lifting Device  18A Width adjustment block 18B Holding member 18C Hydraulic cylinder device 18a Engagement portion 18b Operating rod

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Toshiyuki Aoyama 1-19-11 Kyobashi, Chuo-ku, Tokyo Inside Japan Pudo Co., Ltd. (56) References JP-A-6-287909 (JP, A) JP-A-1 -304204 (JP, A) JP-A-6-207404 (JP, A) JP-A-63-304806 (JP, A) JP-A-8-85915 (JP, A) JP-A-5-106207 (JP, A) JP-A-1-280109 (JP, A) JP-A-2-109812 (JP, U) JP-A-56-13105 (JP, U) JP-A-52-78327 (JP, U) JP-A-62 114906 (JP, U) Japanese Utility Model Hei 5-32413 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E01C 23/00 E01C 19/48

Claims (8)

(57) [Claims] 1. A pavement construction in which new concrete is spliced and integrated into a thin layer on an existing concrete slab.
A spreading device that spreads and spreads the concrete material supplied on the existing concrete slab, a compaction device that compacts the spread material, and determines the height of the compacted material and spreads it at that height. In a car body that can run a leveling device to level and a surface conditioning device to level the spread concrete surface,
A machine equipped in this order from the front in the traveling direction , wherein said compaction device and said leveling device have a width adjusted for width.
Including an adjusting device, the width adjusting device should be installed at a position orthogonal to the traveling direction of the vehicle body.
A width adjustment block having a fixed horizontal length, and the width
The adjustment block has a predetermined horizontal length with respect to the reference.
It can be freely attached to and detached from the compacting device and the main body of the leveling device.
Coupling means for coupling , wherein the coupling means is provided at the end of the width adjusting block located on the terminal side.
The width adjustment block, the main body and each width engaged with the surface
Holding members for pressing and holding the member adjustment blocks with each other;
Create an engaging portion that is freely engaged with the engaging portion on the holding member side.
Moving section, each width adjusting block is provided with the compacting device and the front
The above-mentioned holding force is held against the main body of the flattening device.
An actuator which is always operated via a member.
In self-propelled concrete finishing machine, characterized by being configured. 2. A moving device for moving the compacting device, the leveling device, and the surface conditioning device in a horizontal direction orthogonal to a traveling direction of a vehicle body. Self-propelled concrete finishing machine. 3. The surface conditioning device according to claim 1, wherein said surface conditioning device slides in a traveling direction of the vehicle body and automatically traverses in a horizontal direction perpendicular to the traveling direction of the vehicle body. The self-propelled concrete finishing machine according to claim 1 or 2, further comprising a mechanism that follows a surface shape with a predetermined constant load. 4. The vehicle body is orthogonal to a traveling direction of the vehicle body.
How to move a vehicle body that is arranged at a predetermined horizontal distance
A pair of scaffold members extending in the vertical direction,
Sideways so that the fixed horizontal spacing is adjustable
It is characterized in that the pair of scaffold members are freely attached and detached
The self-propelled concrete finishing machine according to claim 1 . 5. A concrete material is temporarily applied to the vehicle body.
Keep the hopper and the concrete material in the existing
And a device for supplying on the cleat plate.
The self-propelled concrete finishing machine according to any one of claims 1 to 4 . 6. A concrete is crushed in said hopper.
Claims: An agitator device is provided for
Self-propelled concrete finishing machine according to 5. 7. The flattening device is mounted on leveling arms provided on the left and right sides of the vehicle body, and is connected to the vehicle body at one end and at the other end.
Place the spreading device in a horizontal direction perpendicular to the direction of travel of the vehicle body.
Through the slide frame that can be moved
Lifting device connected to the lifting arm and a car at one end
Connected to the body and at the other end
Up and down pivoting device to pull the arm
The height of the material is determined.
6. The self-propelled concrete finishing machine according to any one of 6 . 8. The lifting device is provided at both ends of the leveling device.
Predetermined by rear control device mounted on left and right
The pivot device is operated so as to maintain the fixed height ,
Mounted on each front control device to detect the vertical movement of the vehicle
8. The self-propelled concrete finishing machine according to claim 7 , wherein the self-propelled concrete finishing machine is operated.