JPH0594312U - Asphalt finisher deflector - Google Patents

Abstract

(57) [Summary] [Purpose] Conventionally, during paving work, workers scoop the mix material in front of the deflector of the telescoping screed to treat the paving surface and release it to the rear part of the telescoping screed. But falls into the space between the deflector and the telescoping screed and collects there. Since the pool cools and solidifies, it takes time and labor to attach and remove the deflector in order to remove the mixed material that has accumulated, so improvement was necessary. The present invention aims to solve the above problems. [Structure] Deflectors for evenly laying asphalt mixture are located in front of the respective screeds of the main screed and the telescoping screed. It is a deflector for an asphalt finisher that is designed to create a desired positional relationship with a screed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a deflector for a road paving / repairing machine such as an asphalt finisher or a repaver / mixer, and particularly to a deflector for an asphalt finisher.

[0002]

[Prior Art]

 A conventional asphalt finisher is shown in FIG. 11 as a whole in a plan view. The plan view of the conventional asphalt finisher will be described below. A hopper 1 located at the leading end of the asphalt finisher in a traveling direction is made to be able to receive an asphalt pavement mixture 2, the mixture 2 is sent backward by a bar conveyor 3, and then the mixture 2 Can be spread in the construction width direction by the conveyor screw 4, and then the mixture 2 can be evenly spread to a certain thickness by the deflector 10 and spread by the screed 5 to form the paved surface. In this way, the screed 5 is provided with the main screed 6 as the central base, and the expandable screeds 7 are provided on both sides of the main screed 6 so that the outer ends thereof can be moved left and right according to the construction width. Further, in order to extend a slight width, an auxiliary screed 8 is provided to the telescopic screed 7 by bolt connection or the like, and the screed 5 has It is asphalt finisher comprising attaching a vibrator regulator and Tampa for increasing the compacted effect tightening. The situation near the main screed 6, the telescoping screed 7 and the deflector 10 is shown in FIG. 11, and the installation situation of the mounting metal fittings in the telescoping screed 7 is shown in FIGS. 8, 9 and 10. Is supported by a telescopic device 12 extending from the side surface of the main screed 6, and is moved left and right by its guide 13 and telescopic cylinder 14. Further, the main screed 6 and the telescopic screed 7 are provided with deflectors 9a and 9b in front thereof, respectively. The deflectors 9a and 9b are supported by the screed 5 in a similar manner. That is, the upper part is mounted by the upper mounting bracket 16 including the bracket 17, the link 18, the bolt 19, the bracket 20, the nut 21, and the pin 22, and the lower part is mounted with the bracket 25, the rod 26, the nut 27, and the like. It is attached by a lower mounting bracket 24 consisting of. Further, the deflectors 9a and 9b are adjusted in the vertical direction by the bolts 19 of the upper mounting member 16, the angle is adjusted by the bracket 20, and the position and the posture in the front-back direction are adjusted by the rod 26 of the lower mounting member 24. Further, during the construction by the asphalt finisher, the deflectors 9a and 9b located in front of the composite material 2 spread and solidified by the screed serve to evenly and evenly spread the mixture material 2. In addition, a vibrator device and a tamper device are provided inside the screed in order to enhance the compaction effect on the pavement surface. The tamper device 29 drives the eccentric weight 32 via the drive shaft 30, bearings 31 and 33, etc. by the hydraulic motor 36 to generate the vibration of the frame 34, so that the deflectors 9a and 9b and the screed 5 are separated from each other on the pavement surface. A tamper edge 35 located between them vibrates up and down to compact the composite material 2.

[0003]

[Problems to be solved by the device]

 During the paving work, workers on the side of the asphalt finisher scoop the mixture in front of the deflector 9b of the telescopic screed 7 with a scoop to scavenge the telescopic screed to treat the paved surface after passing the asphalt finisher. It passes over 7 and is thrown behind, but then it falls into the space between the deflector 9b and the telescopic screed 7 and collects there. Further, during the vertical movement of the tamper edge 35b of the tamper device 29b, the mixture material rises up from the gap between the deflector 9b and the telescopic screed 7 and accumulates therein. Then, as the above-mentioned mixture 2 accumulates, the pool of the mixture 2 cools and solidifies with the passage of time. As a result, there are problems such as hindering the operation of the tamper device 29b, the deflector 9b, the telescopic screed 7, and the like. Therefore, in order to eliminate the problem, it becomes necessary to remove the accumulated composite material 2 at an appropriate time interval. Then, the work of removing the deflector 9b is carried out with the expansion / contraction script 7 left and right in the most extended state. To remove the deflector 9b, first loosen the nuts 21b and 27b of the upper mounting bracket 16b and the lower mounting bracket 24b, and then remove the pins 22b and 28b of the cotter pins, and then remove the pins. Be removed. Then, after removing and cleaning the composite material 2 accumulated between the expandable screed 7 and the deflector 9b, the work for attaching the deflector 9b is performed again. To mount the deflector 9b, first use the bolts 19b of the upper mounting bracket 16b and the lower mounting bracket 24b, the bolts of the bracket 20b and the rod 26b, respectively, and the lower surface of the extendable screed 7 of the deflector 9b. The tilt in the up-down direction and the front-back direction with respect to must be adjusted and set with high accuracy. Further, since the deflector 9b is heavy in weight, the work for attaching and detaching the deflector 9b is difficult, and it is unwary in terms of safety. However, it takes a considerable amount of time and labor to remove and adjust the deflector 9b such as removing the deflector 9b and attaching the deflector 9b, which is involved in the work of removing the accumulated composite material 2. Some improvement was needed. The present invention is intended to solve such various problems.

[0004]

[Means for Solving the Problems]

 In order to follow the expansion or contraction of the pavement construction width, the present invention can position the telescoping screed behind the main screed located in the central part and move the telescoping screed in the width direction. A deflector for evenly spreading the asphalt mixture is positioned in front of the screed of each of the main screed and the expandable screed, and the deflector is arranged from the side of the main screed and the expandable screed. It is a deflector for an asphalt finisher, which is provided with a mounting bracket that is supported and is capable of finely adjusting the position of the deflector with respect to the main screed and the expandable screed.

[0005]

[Action]

 In order to follow the expansion or contraction of the pavement construction width, the present invention can position the telescoping screed behind the main screed located in the central part and move the telescoping screed in the width direction. A deflector for evenly spreading the asphalt mixture is positioned in front of the screed of each of the main screed and the expandable screed, and the deflector is arranged from the side of the main screed and the expandable screed. Since it is a deflector of an asphalt finisher that is provided with a mounting bracket that supports and can finely adjust the position of the deflector with respect to the main screed and the expandable screed, it may be interposed between the expandable screed and the deflector during use. To use the mounting bracket when it is necessary to remove the accumulated mixture and clean it Ri, it is possible to easily clean remove mixture material was accumulated as can finely adjust the position of the deflector. More specifically, at the connection between the tip of the upper mounting bracket of the telescopic screed and the deflector, a boss with a round hole is attached to the expansion screed side and a round shaft is provided on the deflector side. A boss with a round hole is attached to the tip of the bracket that protrudes forward from the mounting bracket provided on the upper part, and a horizontal round shaft supported by the bracket is provided on the upper rear surface of the deflector. Since the mounting bracket having a structure that rotatably supports the deflector around the round shaft with respect to the telescopic screed by fitting the hole with the hole, the deflector is rotated upward and raised. The space between the telescoping screed and the deflector can be opened, and the asphalt mixture accumulated in the space can be removed and cleaned. Also, the present invention attaches a boss having a round hole to the tip of the bracket projecting forward from the mounting metal fitting provided on the upper part of the telescopic screed, and the horizontal hole supported by the bracket is attached to the round hole and the rear upper part of the deflector. A deflector for an asphalt finisher, which is fitted with a shaft and whose horizontal round shaft is slidable in the axial direction of the boss so that the deflector can move left and right with respect to the telescopic screed. Therefore, the deflector can be moved to the outside to avoid the interference of the main screed, and the cleaning can be facilitated. Next, the procedure for removing and cleaning the asphalt mixture 2 accumulated in the space between the telescopic screed 7 and the deflector 9b will be described. The retaining pin 38 of the round shaft 40 of the upper attachment 16b and the lower attachment When the pins 28b integrated with the rod 26b of 24b are removed, the deflector 9b becomes a free state from the adjusted and set state. As shown in FIG. 6, since the telescopic screed 7 has the overlapping length L with the main screed 6 in the most extended state, the deflector 9b cannot be rotated due to this interference, so that the boss 45 slides outward in the axial direction. To avoid this interference. Then, by rotating the deflector 9b upward around the round hole of the boss 45, the space between the telescopic screed 7 and the deflector 9b is opened. Then, after cleaning the asphalt mixture 2 accumulated in the space between the telescopic screed 7 and the deflector 9b, in order to return the deflector 9b to the original position, the rotation and rotation are performed in the reverse procedure described above. The upper mounting member 16b and the lower mounting member 24b may be slid in the axial direction to be inserted into the deflector bracket 17b and set. To rotate and flip up the deflector 9b, do not touch the bolts, nuts and links for adjusting and setting the position and angle of the deflector 9b with respect to the retractable screed 7 by the original upper mounting metal fitting 16b and lower mounting metal fitting 24b. Therefore, as described above, if the deflector 9b is returned to the original position, the posture with respect to the telescopic screed 7 is the same as before the movement.

[0006]

[Example 1] A boss having a round hole is attached to the telescopic screed side and a round shaft is provided on the deflector side at the connecting portion between the tip of the upper mounting bracket of the telescopic screed and the deflector. Attach a boss with a round hole to the tip of the bracket that protrudes forward from the mounting bracket, provide a horizontal round shaft supported by the bracket on the upper rear surface of the deflector, and connect the horizontal round shaft and the round hole of the boss. Is a deflector for an asphalt finisher provided with a mounting bracket configured to support the deflector so as to be rotatable about the round shaft with respect to the expandable screed by fitting.

[0007]

[Embodiment 2] According to the present invention, a boss having a round hole is attached to the tip of a bracket projecting forward from a fitting provided on the upper part of an expandable screed, and is supported by a bracket on the round hole and the upper rear surface of the deflector. The horizontal deflecting shaft is fitted to the rotator so that the deflecting device can move right and left with respect to the telescoping screed by making the horizontal rotating shaft slidable in the axial direction of the boss. It is a deflector for asphalt finishers.

[0008]

Third Embodiment The present invention is a deflector for an asphalt finisher in which an expandable screed 7 is provided with an upper mounting member 16b and a lower mounting member 24b.

[0009]

Fourth Embodiment According to the present invention, the upper mounting metal fitting 16b provided on the telescopic screed 7 changes its position and angle with respect to the deflector 9b by the nut 21b in the front-rear direction and by the bolt 19b in the vertical direction and the angle, such as the inclination. This is the deflector for the asphalt finisher.

[0010]

Fifth Embodiment According to the present invention, a cylindrical boss 45 having a round hole inside is fixed to the tip of a bracket 43 for connecting the upper mounting member 16b provided on the telescopic screed 7 and the deflector 9b. The deflector 9b is provided so that the bracket 42 is attached to the two sides of the expandable screed 7 on the left and right of the deflector 9b, and the round shaft 40 is horizontally passed between the deflectors 9b. The deflector 9b is mounted so as to be rotatable with respect to the telescopic screed 7 and slidable to the left and right. Normally, the deflector 9b is provided with two upper and lower mounting brackets 16b and a lower mounting bracket. This is a deflector for an asphalt finisher which is adjusted with high precision by adjusting the position and angle, that is, the inclination, with respect to the telescopic screed 7 by means of 24b.

[0011]

Sixth Embodiment According to the present invention, a boss 45 having a round hole is attached to the telescopic screed 7 side at a connecting portion of the tip of the upper mounting metal fitting 16b of the telescopic screed 7 with the deflector 9b, and a bracket is attached to the deflector 9b side. A horizontal round shaft 40 supported by 43 is provided, and the round hole of the boss 45 and the round shaft 40 are fitted so that the deflector 9b can be rotated around the round shaft 40. It is an asphalt finisher deflector that is supported so as to be movable left and right along it.

[0012]

[Embodiment 7] According to the present invention, in the bracket for connecting the upper mounting bracket 16b and the lower mounting bracket 24b, the pin joints are provided to connect the brackets to each other, and the deflector is rounded only by removing the pin joints. This is a deflector for an asphalt finisher that can rotate and slide around a shaft.

[0013]

[Embodiment 8] According to the present invention, the deflector is returned to the original position before the movement, and the position and angle of the deflector with respect to the telescopic screed are returned to the same state as before the movement only by inserting the pin joint and setting the bracket as it is. It is an asphalt finisher deflector that can be made flexible.

[0014]

[Embodiment 9] The deflector is free from the expansion screed by removing the pin joint, and the deflector is slid outward by the overlapping length L of the front main screed and the deflector to prevent interference with the main screed. Dodging and rotating the deflector upwards will open the space between the telescoping screed and the deflector, making it easier to clean the accumulated mixture and making adjustments when returning the deflector to the old position. It is a deflector for asphalt finishers that loses its properties.

[0015]

【effect】

 In order to follow the expansion or contraction of the pavement construction width, the present invention can position the telescoping screed behind the main screed located in the central part and move the telescoping screed in the width direction. A deflector for evenly spreading the asphalt mixture is positioned in front of the screed of each of the main screed and the expandable screed, and the deflector is arranged from the side of the main screed and the expandable screed. Since it is a deflector of an asphalt finisher that is provided with a mounting bracket that supports and can finely adjust the position of the deflector with respect to the main screed and the expandable screed, it may be interposed between the expandable screed and the deflector during use. To use the mounting bracket when it is necessary to remove the accumulated mixture and clean it Ri, there is an effect that it is possible to easily clean remove mixture material was accumulated as can finely adjust the position of the deflector. To explain this more concretely, a boss with a round hole is attached to the expandable screed side at the connection between the tip of the upper mounting bracket of the expandable screed and the deflector, and a round shaft is provided on the deflector side. , A boss with a round hole is attached to the end of the bracket protruding forward from the mounting bracket provided on the top of the telescopic screed, and a horizontal round shaft supported by the bracket is provided on the upper rear surface of the deflector. The deflector is rotated upward because a mounting bracket having a structure for supporting the deflector with respect to the telescopic screed so as to be rotatable about the round shaft by fitting the circular hole of the boss with the circular hole of the boss is provided. Can be raised to open the space between the telescopic screed and the deflector, remove the asphalt mix accumulated in the space and clean it. There is an effect. In addition, the present invention attaches a boss having a round hole to the tip of the bracket projecting forward from the fitting provided on the top of the telescopic screed, and the horizontal hole supported by the bracket on the round hole and the rear surface of the deflector. A deflector for an asphalt finisher, which is fitted to a shaft, and whose horizontal round shaft is slidable in the axial direction of the boss so that the deflector can move left and right with respect to the telescopic screed. Therefore, the deflector is moved to the outside to avoid the interference of the main screed, which has the effect of facilitating cleaning. In the past, in order to move the deflector, it was necessary to loosen the bolts and nuts of the mounting brackets provided on the upper and lower parts and then remove it.However, the deflector of the asphalt finisher of the present invention can be installed between the expansion screed and the deflector. In order to remove and clean the asphalt mixture accumulated in the space of the deflector, by removing the two pins of the stopper pin 38 for the round shaft 40 and the pin 28b integrated with the rod 26b, the deflector shaft is rotated. There is an effect that the space can be easily opened only by rotating and sliding in the axial direction. In addition, the work of attaching and detaching a heavy object such as a deflector can be omitted, which has the effect of ensuring the safety of work. Further, conventionally, in order to move the deflector, the bolts and nuts for adjusting and setting the position and posture of the deflector with respect to the telescopic screed of the mounting brackets provided on the upper and lower parts must be loosened and then removed before the work can be performed. However, because there was a drawback that had to be done, when returning the deflector to the original position, high-precision work was required and adjustment was necessary for that, but with the deflector of the asphalt finisher of the present invention, There is an effect that the readjustment time that accompanies highly accurate work becomes unnecessary and the work efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a side view showing a connection state between a deflector portion and a telescopic screed portion of an asphalt finisher to which the present invention is applied.

FIG. 2 is a detailed view of a portion of an upper mounting member in FIG. 1 seen from above.

FIG. 3 is a detailed view of a portion of the lower mounting member in FIG. 1 seen from above.

FIG. 4 is a detailed view of a side portion of a retaining pin portion of an upper mounting member of an extension screed portion of the asphalt finisher to which the present invention of FIG. 1 is applied.

FIG. 5 is a side view of an embodiment different from FIG. 1 showing a connection state between a deflector portion and a telescopic screed portion of an asphalt finisher to which the present invention is applied.

FIG. 6 is a plan view of a main portion of FIG. 5 showing a connection state between a deflector portion and a telescopic screed portion of the asphalt finisher to which the present invention is applied.

FIG. 7 is a front view of a main portion of FIG. 5 showing a connection state between a deflector portion and a telescopic screed portion of the asphalt finisher to which the present invention is applied.

FIG. 8 is a side view showing a connection state between a deflector portion and a telescopic screed portion of a conventional asphalt finisher.

FIG. 9 is a plan view showing a connection state between a deflector portion and a telescopic screed portion of a conventional asphalt finisher.

FIG. 10 is a front view showing a connection state between a deflector portion and a telescopic screed portion of a conventional asphalt finisher.

FIG. 10 is a plan view showing the entire conventional asphalt finisher.

[Explanation of symbols]

1. Hopper 2. Mixture 3. Bar conveyor 4. Conveyor screw 5. Screed 6. Main screed 7. Telescopic screed 8. Auxiliary screed 9a. Main screed deflector 9b. Extendable screed deflector 10. Deflector 11. Rear part of conventional device 12. Telescopic device 13. Guide 14. Telescopic cylinder 15. Rod 16a. Upper mounting bracket for main screed 16b. Upper mounting bracket for telescopic screed 17a. Bracket 17b. Bracket 18a. Link 18b. Link 19a. Bolt 19b. Bolt 20a. Bracket 20b. Bracket 21a. Nut 21b. Nut 22a. Pin 22b. Pin 22a. Pin 22b. Pin 23. Nut fixing part 24a. Lower mounting bracket for main screed 24b. Lower mounting bracket for telescopic screed 25a. Bracket 25b. Bracket 26a. Rod 26b. Rod 27a. Nut 28b. Pin 28a. Pin 28b. Pin 29a. Tamper device for main screed 29b. Tamper device for telescopic screed 30b. Drive shaft 31a. Bearing 31b. Bearing 32a. Eccentric weight 32b. Eccentric weight 33a. Bearing 33b. Bearing 34a. Frame 34b. Frame 35a. Tamper edge 35b. Tamper edge 36. Hydraulic motor 36b. Hydraulic motor 37. Hydraulic power transmission unit 38. Stop pin 39. Through hole for retaining pin 40. Round shaft 41. Boss 42. Bracket 43. Bracket 44. Plate 45. boss

Claims (7)

[Scope of utility model registration request] 1. A deflector for evenly laying asphalt mixture is located in front of each screed of a main screed and a telescoping screed, and only by turning around the deflector and sliding in the axial direction. An asphalt finisher deflector that can change the space created between the deflector and the screed. 2. A deflector for evenly laying the asphalt mixture is located in front of each screed of the main screed and the telescoping screed, and only by rotating the deflector about its axis and sliding in the axial direction. The deflector for an asphalt finisher according to claim 1, wherein the positional relationship between the deflector and the screed can be changed. 3. A deflector for evenly laying the asphalt mixture is located in front of each of the screeds of the main screed and the telescoping screed, and only by turning around the deflector and sliding in the axial direction. 2. The deflector for an asphalt finisher according to claim 1, further comprising means for finely adjusting the position of the deflector so that the positional relationship between the deflector and the screed can be changed. 4. An expansion / contraction screed is located rearward of a main screed located at the center of the main screed in order to follow changes in expansion or contraction of the pavement construction width, and the expansion / contraction screed is moved in the width direction. A deflector for evenly laying the asphalt mixture on the front side of the respective screeds of the main screed and the elastic screed, and supporting the deflector from the side of the main screed and the elastic screed. The deflector for an asphalt finisher according to claim 1, further comprising a mounting member formed so as to finely adjust a position of the deflector with respect to the main screed and the telescopic screed. 5. A boss having a round hole is attached to a tip of a bracket projecting forward from a fitting provided on an upper part of an expandable screed, and a horizontal round shaft supported by the bracket is provided on an upper part of a rear surface of the deflector. 2. A mounting bracket having a structure for supporting the deflector with respect to the telescoping screed so as to be rotatable around the round shaft by fitting the round shaft of [4] and the round hole of the boss. Deflector for asphalt finisher. 6. A boss having a round hole is attached to a front end of a bracket projecting forward from a fitting provided on an upper part of the telescopic screed, and a horizontal round shaft supported by the bracket is attached to the round hole and an upper part of a rear surface of the deflector. 2. The asphalt finisher according to claim 1, wherein the deflector can be moved to the left and right with respect to the telescopic screed by fitting a horizontal round shaft slidably in the axial direction of the boss. Deflector. 7. Deflection of the deflector about the axis and axial direction of the deflector by removing two pins, a stop pin 38 for the round shaft 40 provided on the deflector side and a pin 28b integrated with the rod 26b. The deflector for an asphalt finisher according to claim 1, wherein the space can be easily opened only by sliding.