Roadbed compacting device

Abstract

The utility model discloses a subgrade compaction device, including support frame and mounting piece, the middle part of support frame passes through and is connected with the rotating shaft, and the both ends of rotating shaft are threaded connection with the fastening nut, support frame includes first side plate and second side plate, the two ends, close to the mounting pieces, of the first side plate are in threaded connection with limiting bolts, the surface of the rotating shaft is rotationally connected with a compaction wheel assembly arranged in the middle of the supporting frame, a protection assembly is mounted above the supporting frame, and the mounting pieces are mounted at the two ends of one side of the supporting frame. A soil leveling assembly is mounted on the side, away from the mounting piece, of the supporting frame. According to the roadbed compacting device, by using the soil leveling assembly at one end of the supporting frame, compacted soil can be leveled, so that the soil on the road surface can be uniformly distributed, and the situation that the compaction work of the roadbed is affected due to the fact that the roadbed is uneven during soil compaction is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field related to roadbed and pavement, in particular to a roadbed compacting device. Background Art

[0002] During the construction of the highway pavement, the soil on the road surface needs to be compacted by a roadbed compactor to form a roadbed, and then asphalt is laid to form the highway. However, there are still some shortcomings in the existing roadbed compactor, such as:

[0003] The roadbed compacting device disclosed in the existing publication number CN214656147U includes a compacting roller and a connecting frame, and also includes a U-shaped frame and a connecting plate. The connecting frame is fixedly connected to the U-shaped frame, and the U-shaped frame and the connecting plate are detachably connected to form a rectangular frame. The compacting roller is located in the inner ring of the rectangular frame, and the compacting roller, the U-shaped frame and the connecting plate are all rotatably matched. In the above document, different compacting rollers can be replaced, and the surface of the compacting roller can be cleaned, so that the soil adhered to the compacting roller due to the operation can be cleaned in time, thereby ensuring the uniform compaction degree of the roadbed;

[0004] However, when laying soil on the roadbed, the soil is dumped by dump trucks. The soil is unevenly distributed on the road surface, which will affect the compaction effect during compaction. At the same time, when replacing the compaction roller, the compaction roller needs to be replaced as a whole, which is time-consuming and labor-intensive. Therefore, we propose a roadbed compaction device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a roadbed compacting device to solve the problems raised by the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roadbed compacting device comprises a support frame and a mounting plate, the middle part of the support frame is penetrated by a rotating shaft, and two ends of the rotating shaft are threadedly connected with fastening nuts, the support frame comprises a first side plate and a second side plate, the upper surfaces of the first side plate and the second side plate are provided with grooves, and mounting blocks are fixed on the front and rear ends of the first side plate and the second side plate near the compacting wheel assembly, and the front and rear ends of the inner sides of the first side plate and the second side plate are provided with cross plates corresponding to the mounting blocks, and grooves are provided at the two ends of the cross plate, and the two ends of the first side plate and the second side plate are located on the outer side of the cross plate and are connected by mounting screws, and the two ends of the first side plate near the mounting plate are threadedly connected with limiting bolts, and the surface of the rotating shaft is rotatably connected with a compacting wheel assembly arranged in the middle of the support frame, a protective assembly is installed above the support frame, mounting plates are installed at two ends of one side of the support frame, and a leveling assembly is installed on the side of the support frame away from the mounting plate.

[0007] Preferably, the compacting wheel assembly includes an inner wheel, a first gravity outer wheel, a second gravity outer wheel and a third gravity outer wheel, a through hole is provided in the middle of the inner wheel for cooperating with the rotating axis, the first gravity outer wheel is provided on the outer side of the inner wheel, the second gravity outer wheel is provided on the outer side of the first gravity outer wheel, and the third gravity outer wheel is provided on the outer side of the second gravity outer wheel.

[0008] Preferably, the outer diameter of the inner wheel is equal to the inner diameter of the first gravity outer wheel, the outer diameter of the first gravity outer wheel is equal to the inner diameter of the second gravity outer wheel, and the outer diameter of the second gravity outer wheel is equal to the inner diameter of the third gravity outer wheel.

[0009] Preferably, the protective assembly includes a protective cover, which is arranged in a "U" shape, and the two ends of the protective cover are engaged with the grooves on the upper surfaces of the first side plate and the second side plate, and the side surface of the first side plate is fixedly connected to the protective cover by a limiting bolt.

[0010] Preferably, limiting plates are fixed in the middle of both front and rear ends of the protective cover, the distance between the two groups of limiting plates is equal to the length of the third gravity outer wheel, and the lower end surface of the limiting plate is located at the upper end surface of the horizontal plate.

[0011] Preferably, threaded rods are symmetrically threadedly connected to the middle of both ends of the protective cover, and a scraper plate is rotatably connected to the inner end of the threaded rod located on the protective cover. The scraper plate is arranged in an arc shape, and the length of the scraper plate is equal to the length of the third gravity outer wheel.

[0012] Preferably, the soil leveling assembly includes a mounting frame, mounting blocks are fixed to both upper and lower ends of the mounting frame, the mounting blocks on the surface of the mounting frame are connected to the surface of the second side plate by mounting screws, and the surface of the mounting frame is provided with grooves.

[0013] Preferably, a servo motor is fixed to one end of the installation frame, and a rotating screw located inside the groove is fixed to the output end of the servo motor, movable rods are provided at both ends of the rotating screw, and leveling teeth are fixed below the movable rods.

[0014] Preferably, two groups of movable rods are provided at both ends of the rotating screw rod, and the threaded teeth at both ends of the rotating screw rod surface are symmetrically arranged with each other. The movable rod is arranged in an "L" shape, and the movable rod and the groove inside the mounting frame form a snap-fit ​​sliding connection, and the two groups of movable rods have opposite movement directions at both ends of the rotating screw rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the roadbed compaction device,

[0016] By using the soil leveling assembly at one end of the support frame, the compacted soil can be leveled to ensure uniform distribution of the soil on the road surface, thereby avoiding uneven roadbed during soil compaction, which affects the compaction of the roadbed.

[0017] The compacting wheel assembly can be detached from each other in layers. The gravity outer wheel can be added or subtracted according to the compaction requirements so as to change the gravity of the compacting wheel assembly to meet the needs of compacting different road surfaces. The adding and subtracting work is simple and there is no need to replace the compacting wheel assembly as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a rear view structural diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the rear cross-sectional structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the rotating screw rod and the movable rod of the utility model;

[0022] Figure 5 This is a schematic diagram of the support frame structure of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the protective component of the utility model.

[0024] In the figure: 1. support frame; 101. first side plate; 102. cross plate; 103. second side plate; 104. slot; 105. slot; 106. mounting block; 107. mounting screw; 108. limit bolt; 2. rotating shaft; 3. fastening nut; 4. compacting wheel assembly; 401. inner wheel; 402. first gravity outer wheel; 403. second gravity outer wheel; 404. third gravity outer wheel; 5. protection assembly; 501. protection cover; 502. limit plate; 503. threaded rod; 504. scraper plate; 6. mounting plate; 7. soil leveling assembly; 701. mounting frame; 702. mounting block; 703. mounting screw; 704. servo motor; 705. groove; 706. rotating screw; 707. movable rod; 708. soil leveling teeth. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6 The utility model provides a technical solution: a roadbed compacting device, including a supporting frame 1 and a mounting plate 6, a rotating shaft 2 is connected through the middle of the supporting frame 1, and fastening nuts 3 are threadedly connected at both ends of the rotating shaft 2, the supporting frame 1 includes a first side plate 101 and a second side plate 103, the upper surfaces of the first side plate 101 and the second side plate 103 are provided with slots 104, and mounting blocks 106 are fixed at the front and rear ends of the first side plate 101 and the second side plate 103 near the compacting wheel assembly 4, and the front and rear ends of the inner sides of the first side plate 101 and the second side plate 103 are provided with cross plates 102 corresponding to the mounting blocks 106, and slots 105 are provided at both ends of the cross plate 102, and the two ends of the first side plate 101 and the second side plate 103 are located on the outer side of the cross plate 102 and connected by mounting screws 107, and the two ends of the first side plate 101 near the mounting plate 6 are threadedly connected with limiting bolts 108, The surface of the rotating shaft 2 is rotatably connected with a compacting wheel assembly 4 arranged in the middle of the supporting frame 1, and the compacting wheel assembly 4 includes an inner wheel 401, a first gravity outer wheel 402, a second gravity outer wheel 403 and a third gravity outer wheel 404. The middle of the inner wheel 401 is provided with a through hole that is matched and connected to the rotating shaft 2, the outer side of the inner wheel 401 is provided with a first gravity outer wheel 402, and the outer side of the first gravity outer wheel 402 is provided with a second gravity outer wheel 403, and the second A third gravity outer wheel 404 is arranged outside the gravity outer wheel 403, the outer diameter of the inner wheel 401 is equal to the inner diameter of the first gravity outer wheel 402, the outer diameter of the first gravity outer wheel 402 is equal to the inner diameter of the second gravity outer wheel 403, and the outer diameter of the second gravity outer wheel 403 is equal to the inner diameter of the third gravity outer wheel 404, which can facilitate the use of three groups of gravity outer wheels, and the gravity of the compacting wheel assembly 4 can be increased or decreased to facilitate the use of the compacting wheel assembly 4;

[0027] See also Figure 1-6A protection assembly 5 is installed above the support frame 1. The protection assembly 5 includes a protection cover 501. The protection cover 501 is set in a "U" shape, and the two ends of the protection cover 501 are engaged with the grooves 104 on the upper surfaces of the first side plate 101 and the second side plate 103. The side of the first side plate 101 is fixedly connected with the protection cover 501 through a limiting bolt 108, which can facilitate the installation of the protection cover 501 on the protection assembly 5 and the support frame 1. The middle parts of the front and rear ends of the protection cover 501 are fixed with limiting plates 502. The distance between the two sets of limiting plates 502 is equal to the length of the third gravity outer wheel 404. The limiting plates The lower end surface of 502 is located at the upper end surface of the horizontal plate 102, and the three groups of gravity outer wheels can be limited by two groups of limiting plates 502. The middle parts of the two ends of the protective cover 501 are symmetrically threaded with threaded rods 503, and the inner end of the protective cover 501 is rotatably connected with a scraper plate 504 on the threaded rod 503. The scraper plate 504 is arranged in an arc shape, and the length of the scraper plate 504 is equal to the length of the third gravity outer wheel 404. The scraper plate 504 can be used in conjunction with the threaded rod 503 to facilitate the contact between the scraper plate 504 and the gravity outer wheel on the outer surface of the compacting wheel assembly 4, so as to facilitate the removal of dirt adhered to the surface of the gravity outer wheel;

[0028] See also Figure 1-6 , mounting pieces 6 are installed at both ends of one side of the support frame 1, and a soil leveling component 7 is installed on the side of the support frame 1 away from the mounting piece 6. The soil leveling component 7 includes a mounting frame 701, and mounting blocks 702 are fixed at both upper and lower ends of the mounting frame 701. The mounting blocks 702 on the surface of the mounting frame 701 are connected to the surface of the second side plate 103 through mounting screws 703. A groove 705 is provided on the surface of the mounting frame 701 to facilitate the installation of the mounting frame 701 and the second side plate 103. A servo motor 704 is fixed at one end of the mounting frame 701, and a rotating screw 706 located inside the groove 705 is fixed at the output end of the servo motor 704. The rotating screw 706 Movable rods 707 are provided at both ends of the movable rod 707, and a soil-leveling tooth 708 is fixed below the movable rod 707. Two groups of movable rods 707 are provided at both ends of the rotating screw rod 706, and the threaded teeth at both ends of the surface of the rotating screw rod 706 are symmetrically arranged. The movable rod 707 is arranged in an "L" shape, and the movable rod 707 and the groove 705 inside the mounting frame 701 form a snap-fit ​​sliding connection. The two groups of movable rods 707 at both ends of the rotating screw rod 706 have opposite movement directions, which facilitates the rotating screw rod 706 to drive the two groups of movable rods 707 at both ends to move toward each other, so that the soil-leveling teeth 708 below the movable rod 707 can flatten the soil and improve the compaction of the soil.

[0029] Working principle: First, the mounting plate 6 on one side of the support frame 1 is connected to an external roller to facilitate the use of the roadbed compacting device. When in use, the servo motor 704 on the side of the mounting frame 701 at the end of the support frame 1 can be opened so that the servo motor 704 drives the movable rod 707 to move on the internal thread of the mounting frame 701 by rotating the screw rod 706. The movable rod 707 is provided with two groups at both ends of the rotating screw rod 706. The two groups of movable rods 707 move in opposite directions at both ends of the rotating screw rod 706. When compacting the soil, the soil leveling teeth 708 on the surface of the movable rod 707 perform soil leveling work on the soil, so that the soil can be evenly distributed for soil compaction;

[0030] When it is necessary to adjust and replace the compacting wheel assembly 4 according to the gravity during compaction, the limiting bolt 108 on the first side plate 101 can be rotated first, so that the protective cover 501 on the protective assembly 5 is separated from the grooves 104 on the surfaces of the first side plate 101 and the second side plate 103, and then the mounting screws 107 at both ends of the first side plate 101 and the second side plate 103 are rotated to separate the first side plate 101 and the second side plate 103 from the cross plate 102, and then the fastening nut 3 at the end of the rotating shaft 2 is rotated, so as to facilitate the inner wheel 40 on the surface of the compacting wheel assembly 4 on the rotating shaft 2. The first gravity outer wheel 402, the second gravity outer wheel 403 and the third gravity outer wheel 404 on the outer side of the protective assembly 5 are drawn to increase or decrease, so as to adjust the gravity of the compacting wheel assembly 4, thereby improving the convenience of the device in adjusting the gravity of the compacting wheel assembly 4. The two ends of the protective cover 501 on the protective assembly 5 are provided with threaded rods 503, which can facilitate the connection between the scraping plate 504 at the lower end of the threaded rod 503 and the outer surface of the compacting wheel assembly 4, thereby facilitating the scraping of the dirt adhered to the surface of the compacting wheel assembly 4, thereby improving the use effect of the device. This is the use principle of the roadbed compacting device.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A roadbed compaction device, comprising a support frame (1) and a mounting plate (6), characterized in that: A rotating shaft (2) is connected through the middle of the support frame (1), and fastening nuts (3) are threadedly connected to both ends of the rotating shaft (2). The support frame (1) comprises a first side plate (101) and a second side plate (103). The upper surfaces of the first side plate (101) and the second side plate (103) are provided with slots (104). Mounting blocks (106) are fixed to the front and rear ends of the first side plate (101) and the second side plate (103) on the side close to the compacting wheel assembly (4). Transverse plates (102) corresponding to the mounting blocks (106) are provided on the inner front and rear ends of the first side plate (101) and the second side plate (103). The first side plate (101) and the second side plate (103) are provided with a card slot (105) at both ends, the two ends of the first side plate (101) and the second side plate (103) are located on the outside of the cross plate (102) and are connected by means of a mounting screw (107), the two ends of the first side plate (101) close to the mounting plate (6) are threadedly connected to limit bolts (108), the surface of the rotating shaft (2) is rotatably connected to a compacting wheel assembly (4) arranged in the middle of the supporting frame (1), a protective assembly (5) is installed above the supporting frame (1), mounting plates (6) are installed at both ends of one side of the supporting frame (1), and a soil leveling assembly (7) is installed on the side of the supporting frame (1) away from the mounting plate (6).

2. A roadbed compaction device according to claim 1, characterized in that: The compacting wheel assembly (4) comprises an inner wheel (401), a first gravity outer wheel (402), a second gravity outer wheel (403) and a third gravity outer wheel (404); a through hole is provided in the middle of the inner wheel (401) and is connected to the rotating shaft (2); the first gravity outer wheel (402) is provided on the outer side of the inner wheel (401); the second gravity outer wheel (403) is provided on the outer side of the first gravity outer wheel (402); and the third gravity outer wheel (404) is provided on the outer side of the second gravity outer wheel (403).

3. A roadbed compaction device according to claim 2, characterized in that: The outer diameter of the inner wheel (401) is equal to the inner diameter of the first gravity outer wheel (402), the outer diameter of the first gravity outer wheel (402) is equal to the inner diameter of the second gravity outer wheel (403), and the outer diameter of the second gravity outer wheel (403) is equal to the inner diameter of the third gravity outer wheel (404).

4. A roadbed compaction device according to any one of claims 1 to 3, characterized in that: The protection assembly (5) comprises a protection cover (501), the protection cover (501) being arranged in a "U" shape, and the two ends of the protection cover (501) being engaged with the slots (104) on the upper surfaces of the first side plate (101) and the second side plate (103), the side surface of the first side plate (101) being fixedly connected to the protection cover (501) via a limiting bolt (108), the limiting plate (502), the threaded rod (503) and the scraping plate (504).

5. A roadbed compaction device according to claim 4, characterized in that: Limiting plates (502) are fixed in the middle of both front and rear ends of the protective cover (501), the distance between the two sets of limiting plates (502) is equal to the length of the third gravity outer wheel (404), and the lower end surface of the limiting plate (502) is located on the upper end surface of the horizontal plate (102).

6. A roadbed compaction device according to claim 4, characterized in that: The middle parts of both ends of the protective cover (501) are symmetrically threadedly connected with threaded rods (503), and the inner end of the threaded rod (503) located on the protective cover (501) is rotatably connected with a dirt scraping plate (504), the dirt scraping plate (504) is arranged in an arc shape, and the length of the dirt scraping plate (504) is equal to the length of the third gravity outer wheel (404).

7. A roadbed compaction device according to any one of claims 1 to 3, characterized in that: The soil leveling component (7) comprises a mounting frame (701), the upper and lower ends of the mounting frame (701) are both fixed with mounting blocks (702), the mounting blocks (702) on the surface of the mounting frame (701) are connected to the surface of the second side plate (103) via mounting screws (703), and the surface of the mounting frame (701) is provided with a groove (705).

8. A roadbed compaction device according to claim 7, characterized in that: A servo motor (704) is fixed to one end of the installation frame (701), and a rotating screw rod (706) located inside the groove (705) is fixed to the output end of the servo motor (704). Both ends of the rotating screw rod (706) are provided with movable rods (707), and a soil leveling tooth (708) is fixed below the movable rod (707).

9. A roadbed compaction device according to claim 8, characterized in that: Two groups of movable rods (707) are arranged at both ends of the rotating screw rod (706), and the thread teeth at both ends of the surface of the rotating screw rod (706) are arranged symmetrically with each other. The movable rod (707) is arranged in an "L" shape, and the movable rod (707) and the groove (705) inside the installation frame (701) form a snap-fit ​​sliding connection. The two groups of movable rods (707) move in opposite directions at both ends of the rotating screw rod (706).

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