Roadbed compacting device for road widening

Abstract

The utility model relates to the technical field of road construction, in particular to a roadbed compaction device for road widening, which comprises a vehicle body and a compaction mechanism, the compacting mechanism comprises a supporting arm and a first flattening roller, the supporting arm is arranged on the top of the vehicle body, one end of the supporting arm is connected with the vehicle body, the other end of the supporting arm extends to the outer side of the left end edge or the right end edge of the vehicle body, and the first flattening roller is arranged below the end, away from the vehicle body, of the supporting arm. The first flattening roller is connected with the supporting arm through a first mounting frame, and the first flattening roller is rotationally connected with the first mounting frame. The vehicle body walks on an original road, the first flattening roller firstly compacts the widened roadbed, and then the first flattening roller compacts the joint of the original roadbed and the widened roadbed, so that the compaction degree of the widened roadbed is ensured, and the width of the first flattening roller can be set according to the width of the widened roadbed.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction technical field more specifically, especially, a kind of road base compaction device for road widening is provided. BACKGROUND

[0002] Roadbed construction is an important part of road construction, and the compaction degree of roadbed determines the load-bearing capacity of roadbed. In the prior art, the utility model discloses a continuous roadbed compaction device, which can effectively remove the roadbed filler attached to the outer surface of the compression roller, thereby solving the problem of uneven compaction of the roadbed, and improving the compaction effect of the roadbed and prolonging the service life of the road. However, the above-mentioned device is only suitable for compaction of large-area pavement. When the original road is widened, the widened pavement is relatively narrow, and it is not convenient to operate the large road roller on the original pavement, which may cause insufficient compaction of the widened pavement, resulting in different compaction degrees of the original pavement and the widened pavement. The settlement of the widened pavement is lower than that of the original pavement, and the compaction at the widened joint is not easy, so a road base compaction device for road widening is needed to solve the above-mentioned problems. SUMMARY

[0003] The utility model is aimed at providing a road base compaction device for road widening that can solve the above-mentioned problems.

[0004] A road base compaction device for road widening includes a vehicle body and a compaction mechanism. The compaction mechanism includes a support arm and a first flattening roller. The support arm is arranged on the top of the vehicle body, and one end of the support arm is connected to the vehicle body, and the other end extends to the outside of the left or right edge of the vehicle body. The first flattening roller is arranged below the end of the support arm away from the vehicle body, and the first flattening roller is connected to the support arm through a first mounting bracket. The first flattening roller is rotatably connected to the first mounting bracket.

[0005] Further, the support arm includes a first arm arranged obliquely and a second arm arranged horizontally. The two ends of the first arm are respectively hinged to the top of the vehicle body and one end of the second arm. The first mounting bracket is connected to the second arm. The top of the vehicle body is provided with a first hydraulic cylinder and a second hydraulic cylinder for supporting the first arm and the second arm respectively.

[0006] Further, the first hydraulic cylinder is arranged on the side of the first arm away from the second arm. The two ends of the first hydraulic cylinder are respectively hinged to the top of the vehicle body and one end of the first arm close to the second arm.

[0007] Further, the second hydraulic cylinder is arranged on the first supporting arm near the second supporting arm, and two ends of the second hydraulic cylinder are respectively hinged to the top of the vehicle body and the bottom of the second supporting arm.

[0008] Further, the vehicle body comprises a bottom plate, a moving wheel, a second flattening roller and a driving mechanism, the compaction mechanism is arranged on the bottom plate, the driving mechanism is arranged on the bottom plate away from the first flattening roller, and the moving wheel and the second flattening roller are arranged below the bottom plate.

[0009] Further, two groups of the compaction mechanism are arranged on the bottom plate in front and back along the advancing direction, and the two groups of the compaction mechanism are located on the same side of the bottom plate.

[0010] Further, a scraper is arranged on the front side of the first flattening roller, the front end of the scraper is arranged in a downward inclined manner, and the scraper is connected with the first mounting frame through a second mounting frame.

[0011] Further, a third hydraulic cylinder is arranged on the upper end of the second mounting frame, the third hydraulic cylinder is arranged vertically and connected with the first mounting frame and the second mounting frame at two ends.

[0012] Further, a motor is fixed to the top of the second supporting arm, the output shaft of the motor penetrates through the second supporting arm and is fixedly connected with the first mounting frame, and the output shaft of the motor is rotationally connected with the second supporting arm.

[0013] Further, one end of the scraper near the first flattening roller is in an arc-shaped structure matched with the first flattening roller.

[0014] Compared with the prior art, the road widening roadbed compaction device has the following beneficial effects:

[0015] The road widening roadbed compaction device in the utility model sets the first flattening roller of the compaction mechanism on the outer side of the vehicle body, when the road is widened, the vehicle body walks on the original road, the first flattening roller is used to firstly compact the widened roadbed, then the first flattening roller is used to compact the joint between the original roadbed and the widened roadbed, so that the compaction degree of the widened roadbed is ensured, the width of the first flattening roller can be set according to the width of the widened roadbed, the problem that the compaction degree of the widened roadbed is insufficient due to the fact that the vehicle body is too wide to cross the original road and the widened road when the road is initially compacted is avoided.

[0016] The road widening roadbed compaction device in the utility model sets the first hydraulic cylinder and the second hydraulic cylinder, the height of the first flattening roller can be adjusted through the first hydraulic cylinder and the second hydraulic cylinder, the height of the first flattening roller is gradually reduced, the widened roadbed is compacted for multiple times, and the first flattening roller can be lifted when not in use.

[0017] The road widening roadbed compacting device in the utility model, through setting second flattening roller under bottom plate, after using first flattening roller to carry out preliminary compaction to the joint of widened roadbed and widened roadbed and original roadbed, then using second flattening roller to carry out compaction to the joint of widened roadbed and original roadbed, enhance compaction effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, illustrate the utility model, and explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0019] Figure 1 It is the overall structure schematic view of road widening roadbed compacting device in the utility model.

[0020] Figure 2 It is the overall structure schematic view of road widening roadbed compacting device another view in the utility model.

[0021] Figure 3 It is the partial structure schematic view of road widening roadbed compacting device in the utility model.

[0022] Figure 4 It is the overall structure schematic view of road widening roadbed compacting device in another embodiment of the utility model.

[0023] In the drawing: 1, first flattening roller;2, first mounting frame;3, first supporting arm;4, second supporting arm;5, first hydraulic cylinder;6, second hydraulic cylinder;7, bottom plate;8, moving wheel;9, second flattening roller;10, driving mechanism;11, scraper;12, third hydraulic cylinder;13, motor;14, second mounting frame. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0025] As Figure 1 And Figure 2As shown, the road widening roadbed compaction device in the embodiment comprises a vehicle body and a compaction mechanism. The compaction mechanism comprises a support arm and a first flattening roller 1. The support arm is arranged on the top of the vehicle body, and one end of the support arm is connected with the vehicle body and the other end extends to the outside of the right end edge of the vehicle body. In some other embodiments, the support arm can also extend to the outside of the left end edge of the vehicle body. The first flattening roller 1 is arranged below the end of the support arm away from the vehicle body, and the first flattening roller 1 is connected with the support arm through a first mounting frame 2, and the first flattening roller 1 is rotationally connected with the first mounting frame 2.

[0026] Specifically, the width of the first flattening roller 1 is smaller than the width of the vehicle body. The first mounting frame 2 has an n-shaped structure, and the first flattening roller 1 is arranged on the inside of the first mounting frame 2, and the two ends of the first flattening roller 1 are rotationally connected with the two ends of the first mounting frame 2 respectively.

[0027] By arranging the first flattening roller 1 of the compaction mechanism outside the vehicle body, when the road is widened, the vehicle body walks on the original road, and the first flattening roller 1 first compacts the widened roadbed, and then compacts the joint between the original roadbed and the widened roadbed through the first flattening roller 1, so as to ensure the compaction degree of the widened roadbed. The width of the first flattening roller 1 can be set according to the width of the widened roadbed, so as to avoid the problem that the width of the vehicle body is too wide to cross the original road and the widened road when initially compacting the road, and to cause the compaction degree of the widened roadbed to be insufficient.

[0028] In the embodiment, the support arm comprises a first support arm 3 arranged obliquely and a second support arm 4 arranged horizontally. The two ends of the first support arm 3 are hingedly connected with the top of the vehicle body and one end of the second support arm 4 respectively, and the central axes around which the two hinged connections are arranged are parallel to the advancing direction of the vehicle body. The top of the vehicle body is provided with a first hydraulic cylinder 5 and a second hydraulic cylinder 6 for supporting the first support arm 3 and the second support arm 4 respectively. The height of the first flattening roller 1 is adjusted by adjusting the height of the second support arm 4 through the first hydraulic cylinder 5 and the second hydraulic cylinder 6.

[0029] Specifically, the first hydraulic cylinder 5 is arranged on the side of the first support arm 3 away from the second support arm 4. The first hydraulic cylinder 5 is arranged obliquely, and the two ends of the first hydraulic cylinder 5 are hingedly connected with the top of the vehicle body and the first support arm 3 respectively. A hinge shaft is arranged on the upper side of the end of the first support arm 3 close to the second support arm 4, and the end of the first hydraulic cylinder 5 away from the vehicle body is hingedly connected with the first support arm 3 through the hinge shaft. The central axes around which the two hinged connections of the two ends of the first hydraulic cylinder 5 are arranged are also parallel to the advancing direction of the vehicle body. The second hydraulic cylinder 6 is arranged on the side of the first support arm 3 close to the second support arm 4. The two ends of the second hydraulic cylinder 6 are hingedly connected with the top of the vehicle body and the second support arm 4 respectively. A hinge shaft is arranged on the bottom of the second support arm 4, and the hinge shaft is arranged close to the first support arm 3. The end of the second hydraulic cylinder 6 away from the vehicle body is hingedly connected with the second support arm 4 through the hinge shaft. The central axes around which the two hinged connections of the two ends of the second hydraulic cylinder 6 are arranged are also parallel to the advancing direction of the vehicle body.

[0030] In the embodiment, the vehicle body comprises a bottom plate 7, a moving wheel 8, a second flattening roller 9 and a driving mechanism 10, the compacting mechanism is arranged on the bottom plate 7, the driving mechanism 10 is arranged on the side of the bottom plate 7 away from the first flattening roller 1, and the moving wheel 8 and the second flattening roller 9 are arranged below the bottom plate 7. The width of the second flattening roller 9 is greater than the width of the first flattening roller 1, the driving mechanism 10 drives the moving wheel 8, the first flattening roller 1 and the second flattening roller 9 to rotate, and the driving mechanism 10 drives the first hydraulic cylinder 5 and the second hydraulic cylinder 6.

[0031] In the embodiment, as shown in Figure 3 the front upper side of the first flattening roller 1 is provided with a scraper 11, the front end of the scraper 11 is downwardly inclined, and the scraper 11 is connected with the first mounting frame 2 through a second mounting frame 14. Specifically, the width of the scraper 11 is the same as the width of the first flattening roller 1, and the end of the scraper 11 close to the first flattening roller 1 is arc-shaped and matched with the first flattening roller 1. The second mounting frame 14 is composed of a horizontal plate and an inclined plate arranged integrally, the upper end of the inclined plate is fixed to the front end of the horizontal plate, and the lower end of the inclined plate is connected with the scraper 11. Preferably, the top surface of the horizontal plate is provided with a third hydraulic cylinder 12, the third hydraulic cylinder 12 is vertically arranged, the upper end of the third hydraulic cylinder 12 is connected with the second mounting frame 14, and the lower end is connected with the horizontal plate. The driving mechanism 10 drives the third hydraulic cylinder 12.

[0032] By arranging the scraper 11, the roadbed filler adhered to the outer surface of the first flattening roller 1 can be effectively removed. By arranging the front end of the scraper 11 downwardly inclined, the roadbed filler cleaned by the scraper 11 can fall onto the roadbed that has not been compacted, so that the roadbed filler is mixed with the roadbed filler on the roadbed that has not been compacted and then compacted by the first flattening roller 1, thereby avoiding waste of materials and saving the process of dumping. By arranging the third hydraulic cylinder 12, the height of the scraper 11 can be adjusted according to actual needs.

[0033] Preferably, a motor 13 is fixed to the top of the second arm 4, the output shaft of the motor 13 penetrates through the second arm 4 and is fixedly connected with the first mounting frame 2, the output shaft of the motor 13 is rotatably connected with the second arm 4, and the driving mechanism 10 drives the motor 13. By arranging the motor 13, the motor 13 can drive the first mounting frame 2 and the first flattening roller 1 to rotate, so that after the vehicle body advances once, the first flattening roller 1 is driven by the motor 13 to rotate by 180 degrees, and the scraper 11 is located at the rear side of the first flattening roller 1, thereby enabling the vehicle body to retreat and compact the roadbed again, thereby improving the efficiency.

[0034] In another embodiment, as shown in Figure 4 two sets of compacting mechanisms are arranged on the bottom plate 7 in the front-rear direction and on the same side of the bottom plate 7, and when the first flattening roller 1 is used to compact the roadbed, the vehicle body can compact the roadbed twice in one run, thereby improving the efficiency.

[0035] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A roadbed compacting device for road widening, characterized by comprising: The utility model provides a compaction mechanism of road roller, including car body and compaction mechanism, the compaction mechanism includes support arm and first flatten roller (1), support arm sets up at the top of car body, and one end of support arm is connected with car body, and the other end extends to the left end edge or right end edge outside of car body, first flatten roller (1) sets up below one end of support arm away from car body, and first flatten roller (1) is connected with support arm through first mounting bracket (2), and first flatten roller (1) is rotatably connected with first mounting bracket (2).

2. The embankment compacting device for road widening according to claim 1, wherein The support arm includes a first arm (3) arranged obliquely and a second arm (4) arranged horizontally, both ends of the first arm (3) are hingedly connected with the top of the car body and one end of the second arm (4) respectively, the first mounting bracket (2) is connected with the second arm (4), and the top of the car body is provided with a first hydraulic cylinder (5) and a second hydraulic cylinder (6) for supporting the first arm (3) and the second arm (4) respectively.

3. The embankment compacting device for road widening according to claim 2, wherein The first hydraulic cylinder (5) is arranged on the side of the first arm (3) away from the second arm (4), and both ends of the first hydraulic cylinder (5) are hingedly connected with the top of the car body and one end of the first arm (3) close to the second arm (4) respectively.

4. The embankment compacting device for road widening according to claim 3, wherein The second hydraulic cylinder (6) is arranged on the side of the first arm (3) close to the second arm (4), and both ends of the second hydraulic cylinder (6) are hingedly connected with the top of the car body and the bottom of the second arm (4) respectively.

5. The embankment compacting device for road widening according to claim 4, wherein The car body includes a bottom plate (7), a moving wheel (8), a second flatten roller (9), and a driving mechanism (10), the compaction mechanism is arranged on the bottom plate (7), the driving mechanism (10) is arranged on the side of the bottom plate (7) away from the first flatten roller (1), and the moving wheel (8) and the second flatten roller (9) are both arranged below the bottom plate (7).

6. The embankment compacting device for road widening according to claim 5, wherein Two groups of compaction mechanisms are arranged on the bottom plate (7) in the front-rear direction and on the same side of the bottom plate (7).

7. The embankment compacting device for road widening according to claim 6, wherein A scraper (11) is arranged on the front side of the first flatten roller (1), the front end of the scraper (11) is arranged obliquely downward, and the scraper (11) is connected with the first mounting bracket (2) through a second mounting bracket (14).

8. The embankment compacting device for road widening according to claim 7, wherein A third hydraulic cylinder (12) is arranged on the upper end of the second mounting bracket (14), the third hydraulic cylinder (12) is arranged vertically and both ends of the third hydraulic cylinder (12) are connected with the first mounting bracket (2) and the second mounting bracket (14) respectively.

9. The embankment compacting device for road widening according to claim 8, wherein A motor (13) is fixed on the top of the second arm (4), the output shaft of the motor (13) penetrates through the second arm (4) and is fixedly connected with the first mounting bracket (2), and the output shaft of the motor (13) is rotatably connected with the second arm (4).

10. The embankment compacting device for road widening according to claim 9, wherein One end of the scraper (11) close to the first flatten roller (1) is in an arc structure matched with the first flatten roller (1).

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