Portable rammer with adjustable impact force

Abstract

The utility model relates to the field of portable rammer, and discloses a portable rammer with adjustable impact force, which comprises a frame, a rammer is fixedly mounted at the bottom of the frame, an adjusting component is arranged at the top end of the rammer close to the outer side of the frame, and the adjusting component comprises two groups of mounting blocks fixedly connected to the top end of the rammer. The two sets of mounting blocks are symmetrically arranged, dovetail rectangular inserting grooves are formed in the front ends and the rear ends of the two sets of mounting blocks correspondingly, and dovetail rectangular inserting blocks are inserted into the inner walls of the two sets of dovetail rectangular inserting grooves correspondingly. According to the utility model, through the matching of the dovetail rectangular insertion block and the dovetail rectangular slot, the balancing weight with proper weight can be flexibly replaced according to actual construction requirements, so that the impact force of the rammer can be adjusted, and the adaptability of the rammer to different construction scenes and soil conditions is improved; the limitation of a traditional rammer with fixed parameters in practical application is solved, and the construction quality and efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of portable ramming machines, and more particularly to a portable ramming machine with adjustable impact force. Background Technology

[0002] In many fields such as building construction, road maintenance, landscape construction, and rural infrastructure construction, rammed earth work is a crucial basic construction step. Its purpose is to rearrange and interlock soil particles through external force, thereby effectively improving soil density, enhancing foundation bearing capacity, reducing foundation settlement, and providing stable and reliable support for subsequent building construction or facility laying.

[0003] With the advancement of technology and the development of the construction industry, mechanical ramming equipment has gradually replaced the traditional manual ramming method. Among them, portable ramming machines have been widely used in small projects, narrow spaces and complex terrains due to their compact size, flexibility and ease of movement and operation.

[0004] However, most existing portable soil rammers are designed with fixed power and fixed impact parameters. The magnitude of the impact force is determined when the equipment leaves the factory, so it cannot be flexibly adjusted according to different construction needs and soil conditions. In actual construction, the properties of soil vary greatly. For example, different types of soil, such as sand, clay, and silt, have different physical properties such as particle size, water content, and density, and their requirements for soil rammer impact force are also different. This makes them less adaptable to different soil conditions, making it difficult to achieve the ideal compaction effect and ultimately affecting the quality of soil rammering. Therefore, a portable soil rammer with adjustable impact force is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a portable ramming machine with adjustable impact force, aiming to improve the problem in the prior art that "since most existing portable ramming machines are designed with fixed power and impact parameters, the impact force cannot be flexibly adjusted according to construction needs and soil conditions after leaving the factory. In actual construction, the characteristics of soils such as sand, clay, and silt vary greatly, and the requirements for ramming impact force are different. This leads to poor adaptability, difficulty in achieving ideal compaction effect, and affects the quality of ramming".

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a portable soil compactor with adjustable impact force, comprising a frame, a tamping hammer fixedly installed at the bottom of the frame, an adjustment component provided at the top of the tamping hammer near the outer side of the frame, the adjustment component comprising two sets of mounting blocks fixedly connected to the top of the tamping hammer, the two sets of mounting blocks being symmetrically arranged, dovetail rectangular slots being provided at both the front and rear ends of the two sets of mounting blocks, dovetail rectangular inserts being inserted into the inner walls of the two sets of dovetail rectangular slots, and counterweights being fixedly connected to the outer sides of the two sets of dovetail rectangular inserts located at the front and the two sets of dovetail rectangular inserts located at the rear, respectively, the dovetail rectangular slots and dovetail rectangular inserts being configured in a dovetail rectangular shape.

[0007] As a further description of the above technical solution:

[0008] Both sets of mounting blocks are provided with a locking assembly on their upper parts. The locking assembly includes a threaded rod, an elliptical block fixedly connected to the threaded rod, and two sets of limiting rods that pass through and are slidably connected to the front and rear surfaces of the mounting block. The outer wall of the threaded rod is threadedly connected with a threaded sleeve, and the threaded sleeve is fixedly connected to the top of the mounting block.

[0009] As a further description of the above technical solution:

[0010] The top of the mounting block is provided with a groove below the threaded rod, and the elliptical block is slidably connected to the inner wall of the groove.

[0011] As a further description of the above technical solution:

[0012] Both sets of limiting rods have positioning discs fixedly connected to their outer walls, and the middle of the mounting block has a sliding groove on the outer wall of both positioning discs.

[0013] As a further description of the above technical solution:

[0014] Both sets of positioning discs are elastically connected to the mounting block by springs, and the two sets of positioning discs are slidably connected to the inner walls of the two sets of slide grooves, and the two sets of springs are respectively set on the inner walls of the slide grooves.

[0015] As a further description of the above technical solution:

[0016] Each of the multiple sets of dovetail rectangular inserts has a limiting groove in the middle of its inner side, and the multiple sets of limiting rods are respectively engaged with the inner wall of the multiple sets of limiting grooves.

[0017] As a further description of the above technical solution:

[0018] The elliptical block is set in a conical shape with the tip of the cone pointing downwards.

[0019] As a further description of the above technical solution:

[0020] Both sets of limiting rods have their opposing surfaces set as inclined surfaces, and the inclined surfaces of the opposing surfaces of the two sets of limiting rods are located on the outer side of the bottom of the elliptical block.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by combining the dovetail rectangular insert and the dovetail rectangular slot, the counterweight block of appropriate weight can be flexibly replaced according to the actual construction needs, thereby adjusting the impact force of the ramming machine. This improves the adaptability of the ramming machine to different construction scenarios and soil conditions, solves the limitations of traditional fixed parameter ramming machines in practical applications, ensures that ideal compaction effect can be achieved in various complex construction environments, and improves construction quality and efficiency.

[0023] 2. In this utility model, after the dovetail rectangular insert is inserted into the dovetail rectangular slot, the threaded rod is rotated in conjunction with the elliptical block to move the inclined surface of the compression limiting rod, causing it to move outward and drive the limiting rod to insert into the limiting groove, thereby limiting the counterweight block, thus improving the stability of the installation, and at the same time ensuring that the various components of the equipment are tightly connected during operation. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the overall device in this utility model;

[0025] Figure 2 This is a three-dimensional cross-sectional view of the mounting block in this utility model;

[0026] Figure 3 This is a three-dimensional structural diagram of the dovetail rectangular slot and the limiting rod in this utility model.

[0027] Legend:

[0028] 1. Frame; 2. Adjustment assembly; 3. Locking assembly; 4. Hammer; 21. Counterweight; 22. Mounting block; 23. Dovetail rectangular insert; 24. Dovetail rectangular slot; 31. Threaded rod; 32. Elliptical block; 33. Slide 1; 34. Positioning plate; 35. Spring; 36. Slide 2; 37. Limiting rod; 38. Limiting groove. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Reference Figures 1-3This utility model provides an embodiment of a portable soil compactor with adjustable impact force, including a frame 1. The frame 1, as the core load-bearing component of the entire soil compactor, is manufactured using a high-strength aluminum alloy one-piece molding process, possessing the characteristics of being lightweight and high-strength. While ensuring structural stability, it effectively reduces the overall weight of the machine, facilitating manual handling and operation. Its shape design conforms to ergonomics, with anti-slip grips on the sides. The grip surface is made of rubber material, increasing friction and effectively alleviating operator fatigue from prolonged holding. The bottom of the frame 1 is provided with a mounting groove, which is fixedly connected to the tamping hammer 4 by high-strength bolts. The tamping hammer 4 is fixedly installed at the bottom of the frame 1. The tamping hammer 4 is a key component that directly acts on the ground for compaction operations. It is forged from high-strength alloy steel, and the surface undergoes a special heat treatment process to enhance wear resistance and impact resistance. The bottom of the tamping hammer 4 has an arc-shaped design. This curved structure allows the compaction force to be transmitted to the ground more evenly, improving compaction efficiency and effect.

[0031] Furthermore, an adjustment component 2 is provided on the top of the ram 4 near the outer side of the frame 1. The adjustment component 2 includes two sets of mounting blocks 22 fixedly connected to the top of the ram 4. The mounting blocks 22 are used to install counterweights 21. The two sets of mounting blocks 22 are symmetrically arranged. Dovetail rectangular slots 24 are provided at both the front and rear ends of the two sets of mounting blocks 22. Dovetail rectangular inserts 23 are inserted into the inner walls of the two sets of dovetail rectangular slots 24. The dovetail rectangular inserts 23 can stably support the counterweights 21 by engaging with the dovetail rectangular slots 24, thereby increasing the tightness of the connection. The counterweights 21 are fixedly connected to the outer sides of the two sets of dovetail rectangular inserts 23 at the front and the two sets at the rear, respectively. The counterweights 21 are made of high-density cast iron material and the surface is treated with rust prevention. Different weight specifications can be selected according to actual construction needs. The dovetail rectangular slots 24 and the dovetail rectangular inserts 23 are all set in the shape of dovetail grooves, which can effectively prevent the dovetail rectangular inserts 23 from sliding in the horizontal direction and provide reliable connection strength.

[0032] Reference Figures 1-3 Both sets of mounting blocks 22 are equipped with locking components 3 on their upper parts. The locking components 3 include a threaded rod 31, an elliptical block 32 fixedly connected to the threaded rod 31, and two sets of limiting rods 37 that pass through and slide on the front and rear surfaces of the mounting block 22. The threaded rod 31 is made of stainless steel and has good corrosion resistance and mechanical strength. One end of the threaded rod 31 is machined with an external thread and is threadedly connected to the threaded sleeve on the top of the mounting block 22. The elliptical block 32 can be adjusted up and down by rotating the threaded rod 31. The outer wall of the threaded rod 31 is threadedly connected to a threaded sleeve, which is fixedly connected to the top of the mounting block 22. The top of the mounting block 22, below the threaded rod 31, has a groove 33 that provides space for the elliptical block 32 to move.

[0033] Furthermore, the elliptical block 32 is slidably connected to the inner wall of the first slide groove 33. Positioning discs 34, which are fixedly connected to the outer walls of both sets of limiting rods 37 and whose springs 35 reset the limiting rods 37, are provided. The middle of the mounting block 22 has a second slide groove 36 on the outer walls of both sets of positioning discs 34, providing space for the springs 35 and space for the positioning discs 34 to move. Both sets of positioning discs 34 are elastically connected to the mounting block 22 via springs 35. The two sets of positioning discs 34 are slidably connected to the inner walls of the two sets of second slide grooves 36, and the two sets of springs 35 are respectively disposed on the inner walls of the second slide grooves 36. Multiple sets of dovetail rectangular inserts 23 are located inside the second slide groove 36. Each part has a limiting groove 38 in the middle, which is designed to engage with the limiting rod 37 to limit the upward movement of the dovetail rectangular insert 23. Multiple sets of limiting rods 37 are engaged with the inner walls of multiple sets of limiting grooves 38. The elliptical block 32 is set in a conical shape with the cone tip pointing downward. The opposing surfaces of the two sets of limiting rods 37 are both set as inclined surfaces. The inclined surfaces of the opposing surfaces of the two sets of limiting rods 37 are set on the outer side of the bottom of the elliptical block 32. The bottom of the elliptical block 32 is set in a conical shape with the cone tip pointing downward, which can push the inclined surfaces of the limiting rods 37, causing the limiting rods 37 to move outward and insert into the limiting grooves 38 to limit the dovetail rectangular insert 23.

[0034] Working principle: When the portable tamper is in use, the power system transmits energy to the transmission system, causing the tamping hammer 4 to reciprocate up and down to achieve compaction. When it is necessary to adjust the impact force, first turn off the portable tamper, then rotate the threaded rod 31. Since the threaded rod 31 is threadedly connected to the threaded sleeve on the top of the mounting block 22, the threaded rod 31 will move upward along the axis, thereby driving the elliptical block 32 fixedly connected to it to slide upward in the slide groove 33. The elliptical block 32 is conical in shape with the cone tip pointing downward. When the elliptical block 32 moves upward, its conical surface will release the pressure on the inclined surface of the opposite side of the limiting rod 37, so that the limiting rod 37 will disengage from the limiting groove 38 of the dovetail rectangular insert 23 by the elastic force of the spring 35. At this time, the locking component 3 is in the unlocked state.

[0035] After unlocking, a counterweight 21 of appropriate weight can be selected according to actual construction needs. The counterweight 21 is inserted into the dovetail rectangular insert 23 fixedly connected to its outer side, along the chamfer of the dovetail rectangular slot 24 at both ends of the mounting block 22. The dovetail rectangular slot 24 and the dovetail rectangular slot 23 are designed to effectively prevent the insert from sliding in the horizontal direction and ensure a tight connection. After inserting the appropriate counterweight 21, the limiting rod 37 is aligned with the limiting groove 38. At this time, the threaded rod 31 is rotated to move the elliptical block 32 downward and press the inclined surface of the limiting rod 37, causing the limiting rod 37 to move outward until the limiting rod 37 is engaged in the limiting groove 38 of the dovetail rectangular insert 23, thus locking the counterweight 21. At this time, the counterweight 21 of different weights will change the overall weight of the tamping hammer 4, thereby adjusting the impact force of the tamping machine. At this time, the portable tamping machine can be started to continue working.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable soil compactor with adjustable impact force, comprising a frame (1), characterized in that: A tamping hammer (4) is fixedly installed at the bottom of the frame (1), and an adjustment component (2) is provided at the top of the tamping hammer (4) near the outside of the frame (1). The adjustment component (2) includes two sets of mounting blocks (22) fixedly connected to the top of the hammer (4). The two sets of mounting blocks (22) are symmetrically arranged. Dovetail rectangular slots (24) are provided at both the front and rear ends of the two sets of mounting blocks (22). Dovetail rectangular inserts (23) are inserted into the inner walls of the two sets of dovetail rectangular slots (24). Counterweights (21) are fixedly connected to the outer sides of the two sets of dovetail rectangular inserts (23) located in the front and the two sets of dovetail rectangular inserts (23) located in the rear. The dovetail rectangular slots (24) and the dovetail rectangular inserts (23) are both set in the shape of dovetail grooves.

2. The portable ramming machine with adjustable impact force according to claim 1, characterized in that: Both sets of mounting blocks (22) are provided with locking components (3) on their upper parts. The locking components (3) include a threaded rod (31), an elliptical block (32) fixedly connected to the threaded rod (31), and two sets of limiting rods (37) that pass through and slide on the front and rear surfaces of the mounting block (22). The outer wall of the threaded rod (31) is threaded with a threaded sleeve, which is fixedly connected to the top of the mounting block (22).

3. The portable ramming machine with adjustable impact force according to claim 2, characterized in that: The top of the mounting block (22) is provided with a groove (33) below the threaded rod (31), and the elliptical block (32) is slidably connected to the inner wall of the groove (33).

4. A portable ramming machine with adjustable impact force according to claim 3, characterized in that: The outer walls of both sets of limiting rods (37) are fixedly connected with positioning discs (34), and the middle part of the mounting block (22) is provided with two sliding grooves (36) on the outer walls of both sets of positioning discs (34).

5. A portable ramming machine with adjustable impact force according to claim 4, characterized in that: Both sets of positioning discs (34) are elastically connected to the mounting block (22) via springs (35). The two sets of positioning discs (34) are slidably connected to the inner walls of the two sets of slide grooves (36), and the two sets of springs (35) are respectively set on the inner walls of the slide grooves (36).

6. A portable ramming machine with adjustable impact force according to claim 2, characterized in that: Each of the multiple sets of dovetail rectangular inserts (23) has a limiting groove (38) in the middle of its inner side, and the multiple sets of limiting rods (37) are respectively engaged in the inner wall of the multiple sets of limiting grooves (38).

7. A portable ramming machine with adjustable impact force according to claim 2, characterized in that: The elliptical block (32) is set in a conical shape with the tip of the cone pointing downwards.

8. A portable ramming machine with adjustable impact force according to claim 7, characterized in that: The opposing surfaces of the two sets of limiting rods (37) are both set as inclined surfaces, and the inclined surfaces of the opposing surfaces of the two sets of limiting rods (37) are set on the outer side of the bottom of the elliptical block (32).

Images