Rapid tamping device for local foundation

Abstract

A rapid tamping device for a local foundation comprises an excavator body, the excavator body is connected with a large arm, the large arm is connected with a small arm, oil cylinders are arranged on the large arm and the small arm respectively, a support is hinged to the small arm and the oil cylinder of the small arm together, a left fixing plate and a right fixing plate are arranged below the support, and the left fixing plate and the right fixing plate are connected with the excavator body. A lead screw is arranged between the left fixing plate and the right fixing plate, a mounting plate is arranged on the outer wall of the left fixing plate, a motor is arranged on the mounting plate, an output shaft of the motor is connected with the lead screw, a connecting block is arranged on the lead screw, a threaded hole is formed in the connecting block, and the connecting block is in threaded fit with the lead screw through the threaded hole. A left air cylinder and a right air cylinder are arranged at the bottom of the connecting block, piston rods of the left air cylinder and the right air cylinder are fixedly connected with connecting plates, and the two connecting plates are jointly and fixedly connected with a tamping assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering, in particular to a rapid compacting device for a local foundation. Background Art

[0002] In the field of construction and civil engineering, the construction quality of foundation engineering is directly related to the stability and safety of the overall structure. As a key link in foundation engineering, the compaction quality of local foundation treatment directly affects the overall performance and service life of the building. At present, traditional compaction methods, such as manual compaction or simple mechanical compaction, have problems such as low efficiency, uneven compaction effect, and high labor intensity, which can no longer meet the needs of modern engineering construction.

[0003] The existing compaction method is to install a compaction device at the position where the bucket is installed on the excavator, and use the excavator to press the hydraulic compactor against the local foundation surface for compaction. After each position is compacted, the excavator needs to control the movement of the boom and arm to lift the compaction device, and then move it to the next position. The process of controlling the movement of the boom and arm consumes a lot of time, resulting in low work efficiency. Summary of the invention

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a rapid compaction device for a local foundation which reduces the labor intensity of workers, is easy to operate, has high compaction efficiency and improves work efficiency.

[0005] The utility model discloses a technical scheme of a rapid compaction device for a local foundation, which comprises an excavator body, wherein the excavator body is connected to a boom, the boom is connected to a forearm, oil cylinders are respectively arranged on the boom and the forearm, a bracket is hingedly connected to the forearm and the oil cylinder of the forearm, a left fixed plate and a right fixed plate are arranged under the bracket, a screw rod is arranged between the left fixed plate and the right fixed plate, a mounting plate is arranged on the outer wall of the left fixed plate, a motor is arranged on the mounting plate, an output shaft of the motor is connected to the screw rod, a connecting block is arranged on the screw rod, a threaded hole is opened in the connecting block, the connecting block is matched with the screw rod thread through the threaded hole, left and right cylinders are arranged at the bottom of the connecting block, piston rods of the left and right cylinders are fixedly connected to the connecting plate, and the two connecting plates are fixedly connected to a compaction component.

[0006] Furthermore, the compaction assembly includes an impact drill, the two sides of the impact drill are fixedly connected to the two connecting plates, the output end of the impact drill is fixedly connected to a hammer head, the lower outer wall of the hammer head is movably sleeved with a sleeve, and a compaction plate is provided at the bottom of the sleeve.

[0007] Furthermore, reinforcement plates are fixedly provided on the left and right sides of the top surface of the tamping plate, the tops of the two reinforcement plates are connected with iron chains, and the upper ends of the two iron chains are respectively connected to the bottoms of the two connecting plates.

[0008] Furthermore, a slide groove is arranged under the bracket, a slider is arranged on the connecting block, and the slider cooperates with the slide groove.

[0009] Furthermore, a buffer pad is arranged on the output shaft of the cylinder, and the bottom surface of the buffer pad is fixed to the connecting plate.

[0010] The beneficial effect of the rapid compaction device for local foundation of the utility model is that the compaction component can move left and right under the bracket to compact the local road surface, reducing the control of the movement of the excavator body or the movement of the upper arm and the lower arm, thereby improving the compaction efficiency of the local road surface. After the compaction efficiency of each local road surface is improved, the overall work efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of a rapid compaction device for a local foundation of the utility model;

[0012] Figure 2 It is a structural schematic diagram of a screw rod, a mounting plate, a motor, a connecting block, a cylinder, a connecting plate and a tamping component arranged under a bracket. DETAILED DESCRIPTION

[0013] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The technical solution of the present invention will be further described below in conjunction with the drawings of the embodiments of the present invention, and the present invention is not limited to the following specific implementation methods.

[0014] It should be understood that the same or similar numbers in the drawings of the embodiments correspond to the same or similar parts. In the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom" and the like indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0015] The utility model relates to a rapid compaction device for a local foundation, such as Figure 1 — Figure 2As shown, it includes an excavator body 1, the excavator body 1 is connected to a boom 21, the boom 21 is connected to an arm 22, oil cylinders 23 are respectively arranged on the boom 21 and the arm 22, the arm 22 and the oil cylinder 23 of the arm 22 are jointly hinged with a bracket 2, a left fixed plate 3 and a right fixed plate 5 are arranged under the bracket 2, a screw rod 4 is arranged between the left fixed plate 3 and the right fixed plate 5, a mounting plate 6 is arranged on the outer wall of the left fixed plate 3, a motor 7 is arranged on the mounting plate 6, the output shaft of the motor 7 is connected to the screw rod 4, a connecting block 8 is arranged on the screw rod 4, a threaded hole is opened in the connecting block 8, the connecting block 8 is threadedly matched with the screw rod 4 through the threaded hole, and two left and right cylinders 9 are arranged at the bottom of the connecting block 8, the piston rods of the left and right cylinders 9 are fixedly connected to a connecting plate 10, and the two connecting plates 10 are jointly fixedly connected to a tamping component.

[0016] Furthermore, the compaction assembly includes an impact drill 11, and the two sides of the impact drill 11 are fixedly connected to the two connecting plates 10. The output end of the impact drill 11 is fixedly connected to a hammer head 12, and the lower outer wall of the hammer head 12 is movably sleeved with a sleeve 14, and a compaction plate 13 is provided at the bottom of the sleeve 14.

[0017] Furthermore, the left and right sides of the top surface of the tamping plate 13 are fixedly provided with reinforcing plates 15, and the tops of the two reinforcing plates 15 are connected with iron chains 16, and the upper ends of the two iron chains 16 are respectively connected to the bottoms of the two connecting plates 10. With the reinforcing plates 15 and the iron chains 16, the tamping plate 13 can be prevented from falling off from the sleeve 14, and the tamping plate 13 has a limiting effect.

[0018] Furthermore, a slide groove 17 is provided under the bracket 2, and a slider 18 is provided on the connecting block 8, and the slider 18 cooperates with the slide groove 17. The pressure slide groove 17 and the slider 18 can further guide the left and right movement of the connecting block 8, making it more accurate in guiding and more stable and reliable in movement.

[0019] Furthermore, a buffer pad 19 is provided on the output shaft of the cylinder 9, and the bottom surface of the buffer pad 19 is fixed to the connecting plate 10. With the buffer pad 19, the vibration intensity transmitted to the cylinder 9 when the impact drill 11 is running can be reduced, thereby ensuring the service life of the cylinder 9.

[0020] The beneficial effects of the local foundation fast compaction device of the utility model are as follows: when in use, firstly, the compaction plate 13 is adjusted to be parallel to the road surface by operating the small arm 22 and the oil cylinder 23 on the excavator body 1, the piston rod of the cylinder 9 pushes the connecting plate 10 to descend, and the connecting plate 10 drives the compaction assembly to descend, so that the bottom surface of the compaction plate 13 fits with the road surface, and then the impact drill 11 is started, the impact drill 11 pushes the hammer head 12 downward, the hammer head 12 descends to impact the sleeve 14, the sleeve 14 drives the compaction plate 13 to descend, so that the compaction plate 13 impacts the road surface, so that the road surface is compacted, and after the corresponding road surface is compacted, the cylinder 9 pulls the connecting plate 10 and the compaction assembly to rise, and the compaction of the compaction assembly is completed. The plate 13 rises, and then the motor 7 is started. The output shaft of the motor 7 drives the screw 4 to rotate. The screw 4 matches the threaded hole of the connecting block 8. When the screw 4 rotates, it drives the connecting block 8 to move left or right. The connecting block 8 drives the cylinder 9 to move, and the cylinder 9 drives the connecting plate 10 to move. The connecting plate 10 drives the tamping assembly to move left and right, and moves the tamping assembly to the next position that needs to be tamped, and tamps the road surface at the corresponding position, so that the local road surface can be tamped. When the local road surface is fully tamped, the excavator body 1 is controlled to move, or the movement of the big arm 21 and the small arm 22 is controlled, and the bracket 2 is moved to other areas for tamping operations. This scheme is a rapid tamping device for local foundations. The tamping assembly can move left and right under the bracket 2 to tamping the local road surface, reducing the control of the movement of the excavator body 1 or the movement of the big arm 21 and the small arm 22, thereby improving the tamping efficiency of the local road surface. After the tamping efficiency of each local road surface is improved, the overall work efficiency can be improved.

[0021] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0022] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A rapid compaction device for local foundation, characterized in that: The invention comprises an excavator body (1), wherein the excavator body (1) is connected to a boom (21), the boom (21) is connected to a forearm (22), oil cylinders (23) are respectively arranged on the boom (21) and the forearm (22), a bracket (2) is hingedly connected to the forearm (22) and the oil cylinder (23) of the forearm (22), a left fixing plate (3) and a right fixing plate (5) are arranged under the bracket (2), a screw rod (4) is arranged between the left fixing plate (3) and the right fixing plate (5), and a screw rod (4) is arranged on the outer wall of the left fixing plate (3). A mounting plate (6) is provided, a motor (7) is provided on the mounting plate (6), an output shaft of the motor (7) is connected to a screw rod (4), a connecting block (8) is provided on the screw rod (4), a threaded hole is provided in the connecting block (8), the connecting block (8) is threadably matched with the screw rod (4) through the threaded hole, two left and right cylinders (9) are provided at the bottom of the connecting block (8), the piston rods of the left and right cylinders (9) are both fixedly connected to a connecting plate (10), and the two connecting plates (10) are commonly fixedly connected to a tamping assembly.

2. A rapid compaction device for a local foundation as claimed in claim 1, characterized in that: The compacting assembly comprises an impact drill (11), the two sides of the impact drill (11) are fixedly connected to the two connecting plates (10), the output end of the impact drill (11) is fixedly connected to a hammer head (12), the lower outer wall of the hammer head (12) is movably sleeved with a sleeve (14), and a compacting plate (13) is arranged at the bottom of the sleeve (14).

3. A rapid compaction device for a local foundation as claimed in claim 2, characterized in that: Reinforcement plates (15) are fixedly arranged on the left and right sides of the top surface of the tamping plate (13), the tops of the two reinforcement plates (15) are connected to iron chains (16), and the upper ends of the two iron chains (16) are respectively connected to the bottoms of the two connecting plates (10).

4. A rapid compaction device for a local foundation as claimed in claim 1, characterized in that: A slide groove (17) is provided under the bracket (2), and a slider (18) is provided on the connecting block (8), wherein the slider (18) matches the slide groove (17).

5. A rapid compaction device for a local foundation as claimed in claim 1, characterized in that: A buffer pad (19) is provided on the output shaft of the cylinder (9), and the bottom surface of the buffer pad (19) is fixed to the connecting plate (10).

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