Layered backfill automatic paving device

By designing an automatic backfilling device that combines soil breaking blades and combing blades, the problem of uneven backfilling was solved, achieving efficient and smooth soil layer spreading, reducing manual labor intensity, and improving construction efficiency.

CN223706460UActive Publication Date: 2025-12-23MANAS JUNLONG IND CO LTD
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Patent Information

Application Number
CN202520227257.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-23
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

In existing technologies, layered backfill soil results in uneven surfaces when backfilled into the foundation pit, leading to low efficiency in manual spreading and increased labor costs and intensity.

Method used

An automatic backfill soil spreading device was designed, which includes a height adjustment mechanism, a soil breaking mechanism, and a soil combing mechanism. It breaks up large soil clods with soil breaking blades and uses combing blades to level the soil layer, reducing the labor intensity of manual leveling and improving spreading efficiency.

Benefits of technology

It enables rapid and smooth soil layer spreading, reduces manual labor intensity, and improves construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building backfill, and discloses a layered backfill automatic paving device which comprises a vehicle body, a plurality of groups of counterweight assemblies and a height adjusting mechanism are arranged above the vehicle body, an installation shell is installed at the lower end of the height adjusting mechanism, and a soil scattering mechanism used for crushing backfill is arranged in the installation shell. One side of the mounting shell is detachably provided with a carding mechanism used for carding the backfill soil to be flat; through cooperation of a height adjusting mechanism, a mounting shell, a soil scattering mechanism and a carding mechanism, the height adjusting mechanism can adjust the height of a carded soil layer, meanwhile, a connecting shaft drives a soil scattering blade to scatter the accumulated soil layer and crush large convex blocks, soil is conveniently divided, the pattern layer is carded to be flat through the carding mechanism, and the working efficiency is improved. Therefore, the backfill soil is paved, the working intensity of manual planing is reduced, the efficiency of paving the soil layer is improved, and the efficiency of building backfill soil is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building backfill technical field, concretely is a layered backfill soil automatic paving device. BACKGROUND

[0002] Backfill soil refers to the soil returned and filled after completing the underground engineering such as foundation in engineering construction, and the construction process of backfilling soil refers to the process of taking soil backfill after the completion of concealed engineering such as foundation and cushion, and the roadbed filling compaction, when building railway or highway embankment, the soil must be filled and rammed layer by layer to achieve sufficient density, so as to improve the stability and firmness of the embankment, ensure the smooth operation of vehicles, and avoid the deterioration of operation conditions due to long-term subsidence.

[0003] The layered backfill soil in the prior art is uneven when backfilled into the foundation pit, and workers usually use tools to spread the backfill soil, so as to make the layered backfill soil layer flat, the efficiency of manual soil spreading is slow, time-consuming and labor-intensive, and the labor cost of spreading is increased, therefore, a layered backfill soil automatic spreading device is needed. UTILITY MODEL CONTENT

[0004] The utility model discloses a layered backfill soil automatic spreading device, which can conveniently and quickly spread the layered backfill soil layer, reduce the work intensity of manual spreading, conveniently break the large pieces of soil, thereby shunting to the low place, speed up the spreading efficiency of the soil layer, and improve the construction efficiency, so as to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a layered backfill soil automatic spreading device, comprising a vehicle body, a plurality of counterweight assemblies and a height adjusting mechanism are arranged above the vehicle body, a mounting shell is installed at the lower end of the height adjusting mechanism, a soil breaking mechanism for breaking backfill soil is arranged in the mounting shell, and a carding mechanism for carding backfill soil is detachably arranged on one side of the mounting shell.

[0006] The soil breaking mechanism comprises a motor and a connecting shaft, a plurality of soil breaking blades are arranged on the outer side of the connecting shaft, one end of the connecting shaft penetrates through the mounting shell and is fixedly connected with a second synchronous pulley, the output shaft of the motor is drivingly connected with a rotating shaft, one end of the rotating shaft is provided with a first synchronous pulley, and a synchronous belt is arranged between the first synchronous pulley and the second synchronous pulley.

[0007] Preferably, the carding mechanism comprises an angle plate, a plurality of carding blades are welded to the lower surface of the angle plate, the plurality of carding blades are arranged at equal intervals, and the plurality of carding blades are alternately arranged with a plurality of synchronous belts.

[0008] Preferably, one side of the angle plate is fixedly connected with a plurality of clamping blocks, the other side of the angle plate is inserted with a plurality of positioning screws, the plurality of positioning screws are all installed on one side of the mounting shell, and the mounting shell is provided with clamping grooves for the plurality of clamping blocks.

[0009] Preferably, the plurality of layers of the soil breaking blades are arranged at equal intervals, each layer of the soil breaking blades is provided with a plurality of soil breaking blades, and the plurality of soil breaking blades are arranged at equal angles.

[0010] Preferably, the height adjusting mechanism comprises a connecting beam, a gas cylinder and a plurality of guide rods, the gas cylinder is installed on the upper surface of the connecting beam, the plurality of guide rods are fixedly connected to the lower surface of the connecting beam, and the plurality of guide rods are slidably inserted into the vehicle body, both ends of one side of the connecting beam are fixedly connected with connecting rods, and the lower ends of the two connecting rods are welded to the top of the mounting shell.

[0011] Preferably, one end of the vehicle body is provided with a soil retaining plate, two groups of lifting hooks are welded to the upper end of one side of the soil retaining plate, two groups of driving wheels are arranged below the vehicle body, and a handrail is arranged at the other end of the vehicle body.

[0012] Preferably, the counterweight assembly comprises two groups of vertical columns fixedly connected to the vehicle body, and a counterweight block is sleeved on the two groups of vertical columns, and two groups of lifting handles are symmetrically arranged on the upper surface of the counterweight block.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model mainly through the cooperation between height adjusting mechanism, mounting shell, soil scattering mechanism and carding mechanism, height adjusting mechanism can adjust the height of carding soil layer, simultaneously, the soil scattering blade is driven by the connecting shaft, the accumulated soil layer is scattered, and the large convex block is broken, so that the soil is conveniently shunted, the soil layer is carded flat through the carding mechanism, so that the backfilling soil is completed, the working strength of manual planing is reduced, the efficiency of soil layer paving is improved, and the efficiency of building backfilling soil is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic view of the utility model;

[0016] Fig. 2 It is the carding mechanism structure schematic view of the utility model;

[0017] Fig. 3 It is the soil scattering mechanism structure schematic view of the utility model.

[0018] In the figure: 1, vehicle body; 2, height adjusting mechanism; 21, connecting beam; 22, connecting rod; 23, air cylinder; 24, guide rod; 3, mounting shell; 31, clamping groove; 4, soil scattering mechanism; 41, motor; 42, rotating shaft; 43, first synchronous wheel; 44, synchronous belt; 45, second synchronous wheel; 46, connecting shaft; 47, soil breaking blade; 5, carding mechanism; 51, angle plate; 52, clamping block; 53, positioning screw; 54, carding blade; 6, drive wheel; 7, counterweight assembly; 71, stand; 72, counterweight block; 73, handle; 8, soil retaining plate; 9, lifting hook; 10, handrail. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figs. 1-3 The utility model provides a technical scheme: a layered backfill soil automatic paving device, including vehicle body 1, the upper portion of vehicle body 1 is provided with multiple counterweight assemblies 7 and height adjusting mechanism 2, the lower end of height adjusting mechanism 2 is installed with mounting shell 3, the inside of mounting shell 3 is provided with soil scattering mechanism 4 for breaking backfill soil, one side of mounting shell 3 is detachably provided with carding mechanism 5 for carding backfill soil;

[0021] Soil scattering mechanism 4 includes motor 41 and connecting shaft 46, the outside of connecting shaft 46 is provided with multiple layers of soil breaking blades 47, one end of connecting shaft 46 penetrates mounting shell 3 and is fixedly connected with second synchronous wheel 45, the output shaft of motor 41 is drivingly connected with rotating shaft 42, one end of rotating shaft 42 is installed with first synchronous wheel 43, and first synchronous wheel 43 is provided with synchronous belt 44 between second synchronous wheel 45.

[0022] Carding mechanism 5 includes angle plate 51, the lower surface of angle plate 51 is welded with multiple carding blades 54, multiple carding blades 54 are arranged at equal intervals, multiple carding blades 54 are alternately arranged with multiple synchronous belts 44 respectively, and the soil layer after being scattered is carded through multiple carding blades 54, so that the soil layer is carded flat, and the paving quality of backfill soil is improved.

[0023] The side of the angle plate 51 is fixedly connected with a plurality of clamping blocks 52, the other side of the angle plate 51 is inserted with a plurality of positioning screws 53, the plurality of positioning screws 53 are all installed on one side of the mounting shell 3, one side of the mounting shell 3 is provided with a clamping groove 31 for inserting the plurality of clamping blocks 52, the clamping blocks 52 are clamped in the clamping groove 31 to preliminarily fix the angle plate 51, and then the positioning screws 53 are used to fix the angle plate 51, thereby improving the stability of the carding mechanism 5.

[0024] The plurality of layers of the soil breaking blades 47 are arranged at equal intervals, each layer of the soil breaking blades 47 is provided with a plurality of soil breaking blades 47, and the plurality of soil breaking blades 47 are arranged at equal angles, so that the soil breaking blades 47 are used to scatter the soil pile while facilitating the breaking of large soil blocks, thereby improving the paving effect of the backfill soil.

[0025] The height adjusting mechanism 2 comprises a connecting beam 21, a gas cylinder 23 and a plurality of guide rods 24, the gas cylinder 23 is installed on the upper surface of the connecting beam 21, the plurality of guide rods 24 are fixedly connected to the lower surface of the connecting beam 21 and are slidably inserted into the vehicle body 1, and the two ends of one side of the connecting beam 21 are fixedly connected with connecting rods 22, the lower ends of the two connecting rods 22 are welded to the top of the mounting shell 3, the gas cylinder 23 is used to conveniently adjust the height of the mounting shell 3, thereby adjusting the paving height according to the amount of backfill soil, and improving the applicability of the device.

[0026] One end of the vehicle body 1 is provided with a soil baffle 8, two groups of lifting hooks 9 are welded to the upper end of one side of the soil baffle 8, two groups of driving wheels 6 are arranged below the vehicle body 1, and a handrail 10 is arranged at the other end of the vehicle body 1, the soil baffle 8 is used to conveniently push the soil away, the driving wheels 6 are used to reduce the labor intensity of the workers, and the lifting hooks 9 are used to conveniently connect the driving equipment of the external device, thereby further speeding up the paving of the backfill soil.

[0027] The counterweight assembly 7 comprises two groups of vertical columns 71 fixedly connected to the vehicle body 1, and a counterweight block 72 sleeved on the two groups of vertical columns 71, two groups of handles 73 are symmetrically arranged on the upper surface of the counterweight block 72, a circular hole is arranged on the counterweight block 72 for the vertical column 71 to penetrate, and a groove is arranged on the bottom of the counterweight block 72 for the handrail 10 to be embedded, thereby improving the stability of the counterweight block 72.

[0028] In use, the construction personnel hold the handrail 10 to move the vehicle body 1, the driving wheels 6 are used to reduce the labor amount of the construction personnel, the extension length of the extension end of the gas cylinder 23 is controlled, so that the carding blade 54 of the carding mechanism 5 contacts the soil layer, the motor 41 is started, the motor 41 drives the first synchronous wheel 43 to drive the second synchronous wheel 45 to rotate through the synchronous belt 44, so that the soil breaking blades 47 on the connecting shaft 46 rotate, the soil layer is broken at the same time of being scattered, the scattered soil layer flows out through the gap of the carding blade 54, thereby conveniently carding and leveling the soil layer, and improving the efficiency of carding the backfill soil.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for automatic laying of a layered backfill, comprising a vehicle body (1), characterized in that: The upper part of the vehicle body (1) is provided with a plurality of counterweight assemblies (7) and a height adjusting mechanism (2), the lower end of the height adjusting mechanism (2) is provided with a mounting shell (3), the mounting shell (3) is provided with a soil scattering mechanism (4) for crushing backfill, and the side of the mounting shell (3) is detachably provided with a carding mechanism (5) for leveling backfill. The soil scattering mechanism (4) comprises a motor (41) and a connecting shaft (46), the outer side of the connecting shaft (46) is provided with a plurality of soil breaking blades (47), one end of the connecting shaft (46) penetrates the mounting shell (3) and is fixedly connected with a second synchronous wheel (45), the output shaft of the motor (41) is drivingly connected with a rotating shaft (42), one end of the rotating shaft (42) is provided with a first synchronous wheel (43), and the first synchronous wheel (43) and the second synchronous wheel (45) are provided with a synchronous belt (44) therebetween.

2. The automatic layered backfill soil paving device according to claim 1, characterized in that: The carding mechanism (5) comprises an angle plate (51), a plurality of carding blades (54) are welded to the lower surface of the angle plate (51), a plurality of the carding blades (54) are arranged at equal intervals, and a plurality of the carding blades (54) are alternately arranged with a plurality of synchronous belts (44).

3. The automatic layered backfill soil paving device according to claim 2, characterized in that: One side of the angle plate (51) is fixedly connected with a plurality of clamping blocks (52), the other side of the angle plate (51) is inserted with a plurality of positioning screws (53), a plurality of the positioning screws (53) are arranged on one side of the mounting shell (3), and one side of the mounting shell (3) is provided with a clamping groove (31) for inserting a plurality of clamping blocks (52).

4. The automatic layered backfill soil paving device according to claim 3, characterized in that: A plurality of the soil breaking blades (47) are arranged at equal intervals, each layer of the soil breaking blades (47) is provided with a plurality of soil breaking blades (47), and a plurality of the soil breaking blades (47) are arranged at equal angles.

5. The automatic layered backfill soil paving device according to claim 4, characterized in that: The height adjusting mechanism (2) comprises a connecting beam (21), a gas cylinder (23) and a plurality of guide rods (24), the gas cylinder (23) is arranged on the upper surface of the connecting beam (21), a plurality of the guide rods (24) are fixedly connected to the lower surface of the connecting beam (21), and a plurality of the guide rods (24) are slidingly inserted into the vehicle body (1), and the connecting beam (21) is fixedly connected with connecting rods (22) at both ends of one side, and the lower ends of the two connecting rods (22) are welded to the top of the mounting shell (3).

6. The automatic layered backfill soil paving device according to claim 5, characterized in that: One end of the vehicle body (1) is provided with a soil retaining plate (8), two groups of lifting hooks (9) are welded to the upper end of one side of the soil retaining plate (8), the lower part of the vehicle body (1) is provided with two groups of driving wheels (6), and the other end of the vehicle body (1) is provided with a handrail (10).

7. The automatic layered backfill soil paving device according to claim 1, characterized in that: The counterweight assembly (7) comprises two groups of vertical columns (71) fixedly connected to the vehicle body (1), and a counterweight block (72) is sleeved on the two groups of vertical columns (71), and the upper surface of the counterweight block (72) is symmetrically provided with two groups of lifting handles (73).