A soil compaction structure and compactor

Abstract

A stabilized soil compaction structure and compactor include a roller frame with compaction rollers mounted on it. A leveling frame connected to the roller frame is located on the front side of the compaction rollers. The leveling frame forms a conveying cavity and a leveling cavity distributed front to back. A material feeding structure and a conveying mechanism are provided in the conveying cavity. The material feeding structure is used to deliver stabilized soil to the conveying mechanism, and the conveying mechanism is used to deliver stabilized soil to the leveling cavity. The leveling cavity is equipped with an installation shaft, a soil equalization device, and multiple adaptive filling devices. This invention can more accurately deliver excess stabilized soil from the leveling process to the pits and depressions requiring filling during secondary leveling, thus improving construction efficiency.

Description

Technical Field

[0001] This invention relates to the field of road construction, specifically to a stabilized soil compaction structure and a compaction machine. Background Technology

[0002] Stabilized soil is widely used in foundation engineering projects such as highways, railways, and bridges. It can improve the stability and strength of the soil, making the foundation engineering more load-bearing and crack-resistant. Stabilized soil needs to be compacted by a roller when laid on the ground.

[0003] Chinese Patent Application No. 202111130900.4 discloses a road surface leveling and compaction device for highway construction, comprising: a vehicle body; a leveling and compaction mechanism installed on one side of the vehicle body; and a leveling treatment mechanism disposed within the leveling and compaction mechanism. The leveling and compaction mechanism includes a connecting frame, one side of which is disposed on one side of the vehicle body. A compaction roller is disposed on the inner wall of the connecting frame. A mounting plate is fixedly connected to the other side of the connecting frame. Two crossbars are fixedly connected to the top of the mounting plate. A hydraulic cylinder is disposed at the top of each crossbar, and the bottom end of the hydraulic cylinder penetrates through... The crossbar is fixedly connected to a leveling frame. The leveling mechanism includes a material feeding structure, a conveying structure, a partition, and a crushing structure. The partition is fixedly connected to the inner wall of the leveling frame. The partition and one side of the inner wall of the leveling frame form a leveling cavity. The openings of the partition and the leveling frame form a conveying cavity. The crushing structure is located on one side of the inner wall of the leveling cavity. The material feeding structure and the conveying structure are both located on the inner wall of the conveying cavity. The top of the conveying structure extends through the leveling frame. A transmission structure is provided between the conveying structure and the material feeding structure. A guiding structure is provided on the inner wall of the leveling cavity. When the vehicle moves, this equipment can use the leveling frame to level the road surface. Excess material is conveyed to the leveling frame by the material feeding and conveying structures to level potholes and areas lacking material, improving the leveling effect. Simultaneously, the leveled road surface is compacted using rollers, resulting in high construction efficiency and facilitating large-area road construction. Furthermore, this equipment is also suitable for compacting stabilized soil.

[0004] However, the following shortcomings remain: it is difficult to accurately deliver the stabilized soil to the pits and depressions that need to be filled, and the construction efficiency can be further improved. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a stabilized soil compaction structure and a compactor that can more accurately deliver excess stabilized soil from the leveling process to the pits and depressions that need to be filled during secondary leveling, thereby improving construction efficiency.

[0006] A stabilized soil compaction structure includes a roller frame on which a compaction roller is installed. A leveling frame connected to the roller frame is provided on the front side of the compaction roller. The leveling frame forms a conveying cavity and a leveling cavity distributed in a front-to-back manner. A material feeding structure and a conveying mechanism are provided in the conveying cavity. The material feeding structure is used to send stabilized soil to the conveying mechanism, and the conveying mechanism is used to send stabilized soil to the leveling cavity. An installation shaft, a soil equalization device, and multiple adaptive pit filling devices are provided in the leveling cavity.

[0007] The mounting shaft is parallel to the center axis of the roller;

[0008] Multiple adaptive crater filling devices are arranged linearly along the length of the installation shaft. Each adaptive crater filling device includes a soil bearing plate rotatably mounted on the installation shaft, a retaining plate fixedly set on the front side of the soil bearing plate and abutting against the soil bearing plate, and a support adjustment structure that supports and can release the soil bearing plate downward. The support adjustment structure includes a traveling wheel, a fixed wheel frame fixedly set in the leveling cavity, a vertical rod vertically slidably set on the fixed wheel frame, and a retaining member installed on the vertical rod and abutting against the bottom of the soil bearing plate.

[0009] A soil equalization device is used to evenly distribute stabilized soil fed into a leveling cavity onto multiple soil-bearing plates. It includes a receiving plate, a material plate mounting base, a uniform plate, a uniform plate driving structure, and a telescopic cylinder. The material plate mounting base is fixedly installed in the leveling cavity. The receiving plate is positioned above the multiple soil-bearing plates and rotatably mounted on the material plate mounting base. The bottom of the receiving plate is hinged to the telescopic rod of the telescopic cylinder. The cylinder seat of the telescopic cylinder is hinged to the inner wall of the leveling cavity. The uniform plate is located above the receiving plate and forms a uniform gap with it. The uniform plate is driven by the uniform plate driving structure.

[0010] Preferably, the uniform plate driving structure is a lead screw driving structure.

[0011] Preferably, there are two lead screw drive structures, which are distributed on the front and rear sides of the uniform plate, and the front and rear sides of the uniform plate are respectively connected to the two lead screw slides of the two lead screw drive structures.

[0012] Preferably, the receiving plate is provided with a rear baffle and a front baffle located on both sides of the leveling plate. The rear baffle is fixed in the leveling cavity by a connecting bracket, and the front baffle is fixed on the receiving plate.

[0013] Preferably, the retaining plate includes an arc-shaped retaining surface and a vertical retaining surface located above the arc-shaped retaining surface and connected to it, wherein the arc-shaped retaining surface is centered on the rotation center axis of the soil bearing plate.

[0014] Preferably, the walking wheels are located on the front side of the soil bearing plate;

[0015] The supporting member includes a supporting part and a connecting part that connects the supporting part to the vertical rod.

[0016] Preferably, the feeding structure includes a feeding roller, which is rotatably connected to the inner wall of the conveying cavity. One end of the feeding roller extends through the conveying cavity and out of the flattening frame. The surface of the feeding roller is fixedly connected with annularly distributed feeding plates.

[0017] Preferably, the conveying structure includes a cylinder, the bottom end of which passes through the push-flattening frame and is fixedly connected to the inner bottom wall of the conveying cavity. A spiral conveying rod is provided in the cylinder, and a motor is fixedly connected to the top end of the cylinder. The output shaft of the motor passes through the cylinder and is fixedly connected to the top end of the spiral conveying rod. A discharge pipe is provided at the upper end of one side of the cylinder, and a feed hopper is provided at the lower end of the other side of the cylinder. The feed hopper is located on one side of the feeding roller.

[0018] A compaction machine comprising the stabilized soil compaction structure described in any of the above technical solutions.

[0019] In summary, the present invention has the following beneficial effects:

[0020] 1. This invention accurately delivers excess stabilized soil from the leveling process to the pits and depressions that need to be filled during the secondary leveling, thereby improving construction efficiency.

[0021] 2: In this invention, the retaining plate includes an arc-shaped retaining surface and a vertical retaining surface located above and connected to the arc-shaped retaining surface. The arc-shaped retaining surface is centered on the rotation center axis of the bearing plate. Even if the traveling wheel sinks, the retaining plate will not detach from the arc-shaped retaining surface after a certain deflection, thereby preventing abnormal backfilling. Attached Figure Description

[0022] Figure 1 This is a simplified schematic diagram of a compaction structure.

[0023] Figure 2 for Figure 1 Schematic diagram of the middle section.

[0024] Figure 3 This is a layout diagram of multiple adaptive crater filling devices.

[0025] Figure 4 This is a top-view diagram showing the connection of the uniform plate and its driving structure.

[0026] Figure 5 This is a diagram showing the fit between the retaining plate and the bearing plate.

[0027] Figure 6 This is a schematic diagram of the supporting component.

[0028] Figure 7This is a schematic diagram of the conveyor structure. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0030] Example 1: As Figure 1-7 As shown, a soil compaction structure is a part of a compaction machine. As with the prior art, it includes a roller frame 1 on which a compaction roller 2 is installed. A flattening frame 3 connected to the roller frame 1 is provided on the front side of the compaction roller 2. Specifically, a hydraulic cylinder 11 is provided at the front end of the roller frame 1, and the flattening frame 3 is installed on the hydraulic cylinder 11, and is lifted and lowered under the driving action of the hydraulic cylinder 11. The leveling frame 3 has a conveying cavity 31 and a leveling cavity 32 distributed front to back. The conveying cavity 31 is located in front of the leveling cavity 32. The top of the leveling cavity 32 is provided with a material inlet 32-1. The conveying cavity 31 is provided with a material feeding structure 4 and a conveying mechanism 5. The material feeding structure 4 is used to feed the stabilized soil to the conveying mechanism 5, and the conveying mechanism 5 is used to feed the stabilized soil into the leveling cavity 32. The material feeding structure 4 includes a material feeding roller 41, which is rotatably connected to the inner wall of the conveying cavity 31. One end of the material feeding roller 41 passes through the conveying cavity 31 and extends to the outside of the leveling frame 3. The surface of the conveyor is fixedly connected with annularly distributed feeding plates 42. The feeding structure 5 includes a cylinder 51. The bottom end of the cylinder 51 passes through the flattening frame 3 and is fixedly connected to the inner bottom wall of the conveying cavity 31. A spiral conveying rod 52 is provided in the cylinder 51. A motor 53 is fixedly connected to the top end of the cylinder 51. The output shaft of the motor 53 passes through the cylinder 51 and is fixedly connected to the top end of the spiral conveying rod 52. A discharge pipe 54 is provided at the upper end of one side of the cylinder 51. A feed hopper 55 is provided at the lower end of the other side of the cylinder 51. The feed hopper 55 is located on one side of the feeding roller 41.

[0031] When the vehicle moves, the leveling frame 3 levels the road surface. Some of the excess stabilized soil moves to both sides of the leveling frame 3, and some enters the leveling frame 3. The stabilized soil that enters the leveling frame 3 is transported to the leveling cavity 32 by the material feeding structure 4 and the conveying structure 5 for secondary leveling.

[0032] Unlike existing technologies, in this embodiment, the leveling cavity 32 is equipped with an installation shaft 6, a soil equalization device 7, and multiple adaptive pit filling devices 8; wherein, the installation shaft 6 is parallel to the central axis of the rolling roller 2 and is fixed in the leveling cavity 32 by a shaft mounting bracket 6-1;

[0033] Multiple adaptive filling devices 8 are arranged linearly along the length of the mounting shaft 6. Each adaptive filling device 8 includes a soil bearing plate 81 rotatably mounted on the mounting shaft 6 and a retaining plate 82 fixedly disposed on the front side of the soil bearing plate 81 and abutting against the soil bearing plate 81. The soil bearing plate 81 is inclined and used to support the stabilized soil. When two adjacent adaptive filling devices 8 are arranged, the soil bearing plates 81 should be as close as possible. The retaining plate 82 blocks the stabilized soil on the soil bearing plate 81 from the side. The device also includes a support adjustment structure 83 that supports and can release the soil bearing plate 81 downward. Specifically, the support adjustment structure 83 includes a traveling wheel 831, a fixed wheel frame 832 fixedly disposed in the leveling cavity 32, a vertical rod 833 vertically slidably disposed on the fixed wheel frame 832, and a retaining member 834 installed on the vertical rod 833 and abutting against the bottom of the soil bearing plate 81.

[0034] The soil equalization device 7 is used to evenly distribute the stabilized soil delivered to the leveling cavity 32 onto multiple soil bearing plates 81. It includes a receiving plate 71, a material plate mounting seat 72, a uniform plate 73, a uniform plate driving structure 74, and a telescopic cylinder 75. The material plate mounting seat 72 is fixedly disposed in the leveling cavity 32 and installed on the inner wall of the leveling cavity 32. The receiving plate 71 is disposed above the multiple soil bearing plates 81 and rotatably mounted on the material plate mounting seat 72. The bottom of the receiving plate 71 is hinged to the telescopic rod of the telescopic cylinder 75. The cylinder seat of the telescopic cylinder 75 is hinged to the inner wall of the leveling cavity 32. The uniform plate 73 is located above the receiving plate 71 and forms a uniform gap with the receiving plate 71. The uniform plate 73 is driven by the uniform plate driving structure 74.

[0035] During operation, the stabilized soil delivered to the leveling cavity 32 first falls onto the receiving plate 71. Then, the leveling plate drive structure 74 actuates, causing the leveling plate 73 to move along the length of the receiving plate 71, leveling the stabilized soil on the receiving plate 71 as evenly as possible. Next, the telescopic cylinder 75 actuates, causing the receiving plate 71 to tilt and unload the stabilized soil onto the lower soil-bearing plates 81. Simultaneously, the stabilized soil on the soil-bearing plates 81 is prevented from falling off by the side retaining plates 82. During vehicle movement, if the traveling wheels 831 encounter potholes, the traveling wheels 831, vertical rods 833, and supporting members 834 all descend. At this time, the soil-bearing plates 81, lacking support, release downwards, and the stabilized soil on the soil-bearing plates 81 is filled into the potholes.

[0036] As can be seen, the entire structure, combined with the mounting shaft 6, the soil leveling device 7, and multiple adaptive pit filling devices 8, accurately delivers excess stabilized soil from the leveling process to the pits and depressions that need to be filled during the secondary leveling, thus improving construction efficiency. In addition, even if multiple pits and depressions are encountered simultaneously during the vehicle's movement, soil filling can be achieved synchronously.

[0037] The leveling plate driving structure 74 in the above scheme can be a lead screw driving structure. The lead screw driving structure includes a lead screw seat 741, a lead screw 742 and a lead screw guide rod 743 mounted on the lead screw seat 741, and a lead screw slide 744 connected to the lead screw 742 via a lead screw nut. The lead screw guide rod 743 passes through the lead screw slide 744. The lead screw seat 741 is fixed to the inner wall of the leveling cavity 32, and the lead screw 742 is controlled by a control motor 745. There are two lead screw driving structures, distributed on the front and rear sides of the leveling plate 73. The front and rear sides of the leveling plate 73 are respectively connected to the two lead screw slides 744 of the two lead screw driving structures. This structural arrangement not only allows the lead screw driving structure to effectively avoid the feed inlet 32-1, ensuring normal operation, but also allows the leveling plate 73 to stably perform leveling operations with the two lead screw driving structures.

[0038] Above the receiving plate 71, a rear baffle 76 and a front baffle 77 are located on both sides of the leveling plate 73. The rear baffle 76 is fixed in the leveling cavity 32 by a connecting bracket 76-1, and the front baffle 77 is fixed on the receiving plate 71. First, the rear baffle 76 and the front baffle 77 prevent the stabilized soil from falling from the front and rear sides of the receiving plate 71 when the leveling plate 73 is leveling the stabilized soil. Second, the rear baffle 76 does not affect the unloading of the stabilized soil when the receiving plate 71 rotates to unload.

[0039] The applicant discovered that if the stabilized soil laid on the road surface is too soft, the driving wheel 831 may sink into the stabilized soil. This situation is an unnecessary backfilling situation. Therefore, the retaining plate 82 includes an arc-shaped retaining surface 821 and a vertical retaining surface 822 located above the arc-shaped retaining surface 821 and connected to the arc-shaped retaining surface 821. The arc-shaped retaining surface 821 is centered on the rotation center axis of the soil bearing plate 81. With this structure, even if the driving wheel 831 sinks, the retaining plate 82 will not detach from the arc-shaped retaining surface 821 after a certain deflection, thereby preventing abnormal backfilling.

[0040] The walking wheel 831 is located on the front side of the soil bearing plate 81. Correspondingly, the supporting member 834 includes a supporting part 8341 and a connecting part 8342 connecting the supporting part 8341 and the vertical rod 833.

[0041] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the concept and scope of the present invention. Various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention should fall within the protection scope of the present invention. All technical contents for which protection is sought in this invention have been fully described in the claims.

Claims

1. A stable soil rolling structure, comprising a roller frame (1) provided with a rolling roller (2), a front side of the rolling roller (2) is provided with a flattening frame (3) connected to the roller frame (1), the flattening frame (3) is formed with conveying cavities (31) and leveling cavities (32) distributed in front and back, the conveying cavities (31) are provided with a material pushing structure (4) and a conveying mechanism (5), the material pushing structure (4) is used for sending stable soil to the conveying mechanism (5), and the conveying mechanism (5) is used for sending the stable soil into the leveling cavities (32), characterized in that, The leveling cavity (32) is equipped with an installation shaft (6), a soil equalization device (7), and multiple adaptive pit filling devices (8). The mounting shaft (6) is parallel to the central axis of the rolling roller (2); Multiple adaptive crater filling devices (8) are arranged linearly along the length of the mounting shaft (6). Each adaptive crater filling device (8) includes a soil bearing plate (81) rotatably mounted on the mounting shaft (6), a retaining plate (82) fixedly set on the front side of the soil bearing plate (81) and abutting against the soil bearing plate (81), and a support adjustment structure (83) that supports and can release the soil bearing plate (81) downward. The support adjustment structure (83) includes a traveling wheel (831), a fixed wheel frame (832) fixedly set in the leveling cavity (32), a vertical rod (833) vertically slidably set on the fixed wheel frame (832), and a retaining member (834) installed on the vertical rod (833) and abutting against the bottom of the soil bearing plate (81). The soil equalization device (7) is used to evenly distribute the stabilized soil sent to the leveling cavity (32) onto multiple soil bearing plates (81). It includes a receiving plate (71), a material plate mounting seat (72), a uniform plate (73), a uniform plate driving structure (74), and a telescopic cylinder (75). The material plate mounting seat (72) is fixedly installed in the leveling cavity (32). The receiving plate (71) is set above the multiple soil bearing plates (81) and rotatably installed on the material plate mounting seat (72). The bottom of the receiving plate (71) is hinged to the telescopic rod of the telescopic cylinder (75). The cylinder seat of the telescopic cylinder (75) is hinged to the inner wall of the leveling cavity (32). The uniform plate (73) is located above the receiving plate (71) and forms a uniform gap with the receiving plate (71). The uniform plate (73) is driven by the uniform plate driving structure (74).

2. The stabilized soil compaction structure according to claim 1, characterized in that, The uniform plate driving structure (74) is a lead screw driving structure.

3. The stabilized soil compaction structure according to claim 2, characterized in that, There are two lead screw drive structures, which are distributed on the front and rear sides of the uniform plate (73). The front and rear sides of the uniform plate (73) are respectively connected to the two lead screw slides (744) of the two lead screw drive structures.

4. The stabilized soil compaction structure according to claim 1, characterized in that, Above the receiving plate (71) are a rear baffle (76) and a front baffle (77) located on both sides of the leveling plate (73). The rear baffle (76) is fixed in the leveling cavity (32) by a connecting bracket (76-1), and the front baffle (77) is fixed on the receiving plate (71).

5. The stabilized soil compaction structure according to claim 1, characterized in that, The retaining plate (82) includes an arc-shaped retaining surface (821) and a vertical retaining surface (822) located above the arc-shaped retaining surface (821) and connected to the arc-shaped retaining surface (821). The arc-shaped retaining surface (821) is centered on the rotation center axis of the soil bearing plate (81).

6. The stabilized soil compaction structure according to claim 1, characterized in that, The walking wheels (831) are located on the front side of the soil bearing plate (81); The abutment (834) includes an abutment portion (8341) and a connecting portion (8342) connecting the abutment portion (8341) and the vertical rod (833).

7. The stabilized soil compaction structure according to claim 1, characterized in that, The feeding structure (4) includes a feeding roller (41), which is rotatably connected to the inner wall of the conveying cavity (31). One end of the feeding roller (41) passes through the conveying cavity (31) and extends to the outside of the flattening frame (3). The surface of the feeding roller (41) is fixedly connected with a ring-shaped feeding piece (42).

8. A stabilized soil compaction structure according to claim 7, characterized in that, The conveying mechanism (5) includes a cylinder (51), the bottom end of which passes through the push-flat frame (3) and is fixedly connected to the inner bottom wall of the conveying cavity (31). A spiral conveying rod (52) is provided in the cylinder (51), and a motor (53) is fixedly connected to the top end of the cylinder (51). The output shaft of the motor (53) passes through the cylinder (51) and is fixedly connected to the top end of the spiral conveying rod (52). A discharge pipe (54) is provided on the upper end of one side of the cylinder (51), and a feed hopper (55) is provided on the lower end of the other side of the cylinder (51). The feed hopper (55) is located on one side of the feeding roller (41).

9. A rolling mill, characterized in that, Includes the stabilized soil compaction structure as described in any one of claims 1-8.

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