Three-dimensional jolt ramming equipment

Abstract

The utility model discloses three-dimensional vibration compaction equipment which comprises a base and a vibration compaction table, the base supports the vibration compaction table through a plurality of elastic components, the vibration compaction table comprises a frame and a metal table top, and the two opposite side portions of the frame are each provided with a horizontal vibration motor used for providing vibration force for the vibration compaction table in the horizontal direction. Two vertical vibration motors are installed at the bottom of the frame side by side and used for providing vibration force for the compaction table in the vertical direction, the elastic component is configured to be a rubber spring with a center through hole, the frame is provided with an upper positioning column, the base is provided with a lower positioning column, and the upper positioning column is inserted into the center through hole from top to bottom. The lower positioning column is inserted into the central through hole from bottom to top, and a gap is formed between the lower end of the upper positioning column and the upper end of the lower positioning column. According to the equipment, exciting force in different positions and in different directions is provided for the jolt ramming table, then jolt ramming operation is conducted on iron shots in the sand box, jolt ramming of the iron shots is tight and more uniform, the jolt ramming effect is good, and improvement of the casting quality is facilitated.

Description

Technical Field

[0001] This application relates to the field of vibration compaction equipment technology, specifically to a three-dimensional vibration compaction device. Background Technology

[0002] Shell-type shot casting is a new casting process that has rapidly developed and been widely adopted in recent years. Its basic principle involves placing a casting cavity, composed of a shell mold and a sand core, within a casting sand box. The filling medium provides fixation and heat conduction, ensuring the smooth operation of the casting process and the quality of the produced castings. It also comprehensively considers the structural strength of both the shell mold and the sand core. Currently, in actual production, resin sand, a mixture of resin binder and zirconium sand, is commonly used as the raw material for core preparation. Because the resin binder generates a large amount of high-temperature gas during the casting process, which needs to be promptly removed, iron shot must be used as the filling medium in the sand box. Utilizing the good thermal conductivity of metal and the large gaps between the spheres, sufficient heat conduction and gas permeability are provided to the sand box. However, this process, using iron shot as the filling medium, requires ensuring the compaction of the iron shot to improve the quality of the castings. Previously, the sand box was placed on a platform, and the iron shot was manually compacted. However, this compaction method is inefficient and easily leads to uneven distribution of iron shot, potentially resulting in some areas where the shot is not compacted, requiring repeated repairs, which is time-consuming and labor-intensive. Utility Model Content

[0003] This application provides a three-dimensional vibration compaction device to solve the technical problems of low work efficiency, poor compaction effect, and time and labor costs associated with manually compacting iron shot in the sand box in the existing shell-type back shot casting process.

[0004] The technical solution adopted in this application is as follows:

[0005] A three-dimensional vibration compaction device includes a base and a compaction table disposed above the base. The base supports the compaction table through multiple elastic components. The compaction table includes a frame and a metal tabletop mounted on top of the frame. A horizontal vibration motor is mounted on each of the two opposite sides of the frame to provide a horizontal vibration force to the compaction table. Two vertical vibration motors are mounted side by side at the bottom of the frame to provide a vertical vibration force to the compaction table. The elastic components are configured as rubber springs with a central through hole. The frame has an upper positioning post protruding towards the base, and the base has a lower positioning post protruding towards the frame. The upper positioning post is inserted into the central through hole from top to bottom, and the lower positioning post is inserted into the central through hole from bottom to top. There is a gap between the lower end of the upper positioning post and the upper end of the lower positioning post.

[0006] The three-dimensional vibration compaction device provided in this application also includes the following additional technical features:

[0007] The upper positioning post is provided with an outwardly protruding upper expansion protrusion, which is in interference fit with the inner wall of the central through hole, and a plurality of the upper expansion protrusions are arranged sequentially along the axial direction of the upper positioning post; and / or, the lower positioning post is provided with an outwardly protruding lower expansion protrusion, which is in interference fit with the inner wall of the central through hole, and a plurality of the lower expansion protrusions are arranged sequentially along the axial direction of the upper positioning post.

[0008] Protective covers are installed on both sides of the frame, and the protective covers and the sides of the frame form a protective cavity surrounding the horizontal vibration motor. The bottom of the protective cavity is open, and the top surface of the protective cover is flush with the top surface of the metal table.

[0009] Each of the two sides of the frame is connected to a mounting base for mounting the horizontal vibration motor. The mounting base includes a vertical mounting plate and two legs connected to the vertical mounting plate. The horizontal vibration motor is mounted on the vertical mounting plate, and the two legs are welded to the frame.

[0010] A horizontal mounting plate is welded to the bottom of the frame, and the vertical vibration motor is mounted on the horizontal mounting plate.

[0011] The frame comprises multiple channel steels connected as one piece, and the base comprises multiple channel steels connected as one piece.

[0012] The base is formed by connecting four first channel steels end to end to form a first rectangular structure, and by connecting two adjacent first channel steels at the four corners of the first rectangular structure with four second channel steels.

[0013] The first channel steel is provided with a lifting hole.

[0014] The bottom of the four corners of the first rectangular structure is connected to a support plate, and a reinforcing rib is connected between the support plate and the first channel steel.

[0015] The frame is formed by connecting four third channel steels end to end to form a second rectangular structure, and by connecting two adjacent third channel steels at the four corners of the second rectangular structure with four fourth channel steels. The second rectangular structure is internally connected with multiple fifth channel steels, which are spliced ​​together to form a grid-like structure.

[0016] Due to the adoption of the above technical solution, the technical effects achieved by this application include at least the following:

[0017] 1. The three-dimensional vibration compaction equipment provided in this application can be used in the iron shot compaction process of shell-type back shot casting, realizing automated vibration of iron shot, eliminating the need for manual operation, improving work efficiency and reducing repairs. Moreover, utilizing the three-dimensional vibration compaction principle, the horizontal vibration motors on both sides provide vibration force along the horizontal direction to the compaction table, and the two vertical vibration motors provide vibration force along the vertical direction to the compaction table, providing excitation force at different positions and in different directions to the compaction table, thereby compacting the iron shot inside the sand box. The iron shot is compacted more tightly and more uniformly, with good compaction effect, which helps to improve the quality of castings. The rubber spring provides a buffering effect for the vibration of the vibration table. The upper and lower positioning posts are inserted into the central through-hole of the rubber spring from its upper and lower ends, respectively. Firstly, the insertion and engagement of the upper and lower positioning posts with the rubber spring enhances the installation reliability of the spring. Secondly, the upper and lower positioning posts guide the vertical deformation of the rubber spring, thus reliably buffering the vertical vibration of the vibration table. Thirdly, the upper and lower positioning posts also provide reliable support for the rubber spring radially, ensuring stable horizontal deformation and thus reliably buffering the horizontal vibration of the vibration table. A gap exists between the lower end of the upper positioning post and the upper end of the lower positioning post, providing space for the rubber spring to compress and deform vertically, effectively preventing collisions between the upper and lower positioning posts.

[0018] 2. The upper positioning post is press-fitted with the inner wall of the central through hole through the upper expansion protrusion, and the lower positioning post is press-fitted with the inner wall of the central through hole through the lower expansion protrusion. This helps to improve the reliability of the insertion of the upper and lower positioning posts with the rubber spring, and also improves the reliability of the upper and lower positioning posts in supporting the rubber spring radially. This effectively solves the problem that the rubber spring is easily damaged due to excessive pressure, reduces the requirements for the rubber spring, helps to reduce costs, and improves the stability of the overall device.

[0019] 3. The protective cover and the side of the frame form a protective cavity surrounding the horizontal vibratory motor. This serves two purposes: firstly, it protects the motor from damage caused by accidental contact; secondly, the protective cover reduces the transmission of vibration noise from the motor, thus lowering the noise generated during the operation of the three-dimensional vibration compaction equipment. The bottom opening of the protective cavity allows maintenance personnel to easily maintain or repair the horizontal vibratory motor without removing the protective cover.

[0020] 4. Both the frame and the base consist of multiple channel steels connected as one piece. This not only simplifies the structure but also enhances the structural strength of the frame and base by utilizing the rigidity of the channel steels. Furthermore, the channel steel materials can be interchanged during manufacturing or assembly, reducing assembly difficulty. Attached Figure Description

[0021] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0022] Figure 1 This is a front view of the three-dimensional vibration compaction device provided in the embodiments of this application;

[0023] Figure 2 This is a bottom view of the three-dimensional vibration compaction device provided in the embodiments of this application;

[0024] Figure 3 This is an isometric view of the three-dimensional vibration compaction device provided in the embodiments of this application;

[0025] Figure 4 This is a cross-sectional view of the three-dimensional vibration compaction device provided in the embodiments of this application;

[0026] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0027] Figure 6 This is an assembly diagram of a partial structure of the three-dimensional vibration compaction device provided in the embodiments of this application.

[0028] Figure 7 This is a schematic diagram of the structure of the vibration table provided in the embodiments of this application;

[0029] Figure 8 for Figure 7 Enlarged view at point B in the middle;

[0030] Figure 9 This is a schematic diagram of the structure of the base provided in the embodiment of this application;

[0031] Figure 10 This is a schematic diagram of the framework provided in the embodiments of this application.

[0032] List of components and reference numerals:

[0033] 1. Base, 11. Lower positioning column, 111. Lower expansion protrusion, 12. First channel steel, 121. Lifting hole, 13. Second channel steel, 14. Support plate, 15. Reinforcing rib plate;

[0034] 2 Vibration table, 21 Frame, 211 Third channel steel, 212 Fourth channel steel, 213 Fifth channel steel, 22 Metal table surface, 23 Upper positioning column, 231 Upper expansion protrusion;

[0035] 3 horizontal vibration motors;

[0036] 4. Vertical vibration motors;

[0037] 5 rubber springs, 51 center through hole;

[0038] 6 protective shields;

[0039] 7 mounting base, 71 vertical mounting plate, 72 support legs;

[0040] 8. Horizontal mounting plate. Detailed Implementation

[0041] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0042] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0043] Furthermore, it should be understood in the description of this application that the terms "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "lateral," and "longitudinal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0044] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0045] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0046] In the embodiments of this application, a three-dimensional vibration compaction device is provided. For ease of explanation and understanding, the following content provided in this application is based on the illustrated product structure. Of course, those skilled in the art will understand that the above structure is only a specific example and illustrative illustration, and does not constitute a specific limitation on the technical solution provided in this application.

[0047] like Figures 1 to 10 As shown, the three-dimensional vibration compaction device provided in this application includes a base 1 and a vibration table 2 disposed above the base 1. The base 1 supports the vibration table 2 by a plurality of elastic components. The vibration table 2 includes a frame 21 and a metal table surface 22 mounted on the top of the frame 21. A horizontal vibration motor 3 is mounted on each of the two opposite sides of the frame 21 to provide vibration force to the vibration table 2 in the horizontal direction. Two vertical vibration motors 4 are mounted side by side at the bottom of the frame 21 to provide vibration force to the vibration table 2 in the vertical direction. The elastic component is configured as a rubber spring 5 with a central through hole 51. The frame 21 is provided with an upper positioning post 23 protruding toward the base 1, and the base 1 is provided with a lower positioning post 11 protruding toward the frame 21. The upper positioning post 23 is inserted into the central through hole 51 from top to bottom, and the lower positioning post 11 is inserted into the central through hole 51 from bottom to top. There is a gap between the lower end of the upper positioning post 23 and the upper end of the lower positioning post 11.

[0048] Specifically, base 1 is the bottom support structure of this equipment, and vibration table 2 is the supporting structure for placing the sand box and other vibrating devices. This application schematically illustrates a scheme in which base 1 supports vibration table 2 through four elastic components, which can provide reliable support and effective vibration buffering for vibration table 2. The elastic components are configured as rubber springs 5. The shape of rubber springs 5 ​​is not limited, and the stiffness in each direction can be freely selected according to design requirements. Moreover, rubber springs 5 ​​have high internal resistance. They have a good effect on absorbing high-frequency vibrations generated by vibration table 2 and sound insulation. The same rubber spring 5 can also simultaneously withstand multi-directional loads applied during the vibration of vibration table 2, thereby simplifying the structure of the system. In addition, rubber springs 5 ​​are easy to install and disassemble, require no lubrication, and are conducive to maintenance.

[0049] The three-dimensional vibration compaction equipment provided in this application can be used in the iron shot compaction process of shell-type back shot casting, realizing automated vibration of iron shot, eliminating the need for manual operation, improving work efficiency and reducing repairs. Moreover, utilizing the three-dimensional vibration compaction principle, the horizontal vibration motors 3 on both sides provide vibration force along the horizontal direction to the compaction table 2, and the two vertical vibration motors 4 provide vibration force along the vertical direction to the compaction table 2, providing excitation force at different positions and in different directions to the compaction table 2, thereby performing vibration compaction operation on the iron shot inside the sand box. The iron shot is compacted more tightly and more uniformly, with good compaction effect, which helps to improve the quality of castings. The rubber spring 5 provides a buffering effect for the vibration of the vibration table 2. The upper positioning post 23 and the lower positioning post 11 are inserted into the central through hole 51 of the rubber spring 5 from its upper and lower ends, respectively. On one hand, the insertion and engagement of the upper positioning post 23 and the lower positioning post 11 with the rubber spring 5 improves the installation reliability of the rubber spring 5. On the other hand, the upper positioning post 23 and the lower positioning post 11 guide the vertical deformation of the rubber spring 5, thus reliably buffering the vertical vibration of the vibration table 2. Furthermore, the upper positioning post 23 and the lower positioning post 11 also provide reliable support for the rubber spring 5 along its radial direction, ensuring stable deformation in the horizontal direction, thus reliably buffering the horizontal vibration of the vibration table 2. A gap exists between the lower end of the upper positioning post 23 and the upper end of the lower positioning post 11, providing space for the rubber spring 5 to compress and deform vertically, effectively preventing collisions between the upper positioning post 23 and the lower positioning post 11.

[0050] As a preferred embodiment, such as Figure 4 , Figure 5 and Figure 6 As shown, the upper positioning post 23 is provided with an outwardly protruding upper expansion protrusion 231, which is in interference fit with the inner wall of the central through hole 51. Multiple upper expansion protrusions 231 are arranged sequentially along the axial direction of the upper positioning post 23. As another preferred embodiment, such as... Figure 4 , Figure 5 and Figure 9As shown, the lower positioning post 11 has an outwardly protruding lower expansion protrusion 111, which is in interference fit with the inner wall of the central through hole 51. Multiple lower expansion protrusions 111 are arranged sequentially along the axial direction of the upper positioning post 23. Those skilled in the art will understand that the interference fit between the upper positioning post 23 and the inner wall of the central through hole 51 via the upper expansion protrusion 231, and the lower positioning post 11 and the inner wall of the central through hole 51 via the lower expansion protrusion 111, helps improve the insertion reliability of the upper positioning post 23 and the lower positioning post 11 with the rubber spring 5, and also improves the radial support reliability of the rubber spring 5 by the upper positioning post 23 and the lower positioning post 11. This effectively solves the problem that the rubber spring 5 is easily damaged due to excessive pressure, reduces the requirements for the rubber spring 5, helps reduce costs, and improves the overall stability of the device.

[0051] As a preferred embodiment, such as Figure 1 , Figure 2 and Figure 3 As shown, protective covers 6 are installed on both sides of the frame 21. The protective covers 6 and the sides of the frame 21 form a protective cavity surrounding the horizontal vibration motor 3. The bottom of the protective cavity is open, and the top surface of the protective cover 6 is flush with the top surface of the metal platform 22. This design serves two purposes: firstly, it protects the horizontal vibration motor 3, reducing the risk of damage from accidental contact; secondly, the protective covers 6 block sound, reducing the transmission of vibration noise from the horizontal vibration motor 3 to the outside, thereby reducing the noise generated during the operation of the three-dimensional vibration compaction equipment. The bottom opening of the protective cavity allows maintenance personnel to perform maintenance or repair on the horizontal vibration motor 3 without disassembling the protective covers 6. Preferably, the protective covers 6 are installed on the sides of the frame 21 in a detachable manner, so that they can be removed from the frame 21 when needed. For example, the protective covers 6 can be connected to the frame 21 by bolts. Preferably, the protective cover 6 can be made of the same material as the frame 21 so that it can resonate at the same frequency as the vibration test platform 2, thereby avoiding the risk of the protective cover 6 falling off the frame 21 when the two vibrate at different frequencies.

[0052] As a preferred embodiment, such as Figure 6 , Figure 7 and Figure 8As shown, each of the two sides of the frame 21 is connected to a mounting base 7 for mounting the horizontal vibration motor 3. The mounting base 7 includes a vertical mounting plate 71 and two legs 72 connected to the vertical mounting plate 71. The horizontal vibration motor 3 is mounted on the vertical mounting plate 71, and the two legs 72 are welded to the frame 21. By providing the mounting base 7, the installation of the horizontal vibration motor 3 on the frame 21 is facilitated. Specifically, the horizontal vibration motor 3 can be fixed to the vertical mounting plate 71 with bolts. The welding of the two legs 72 of the mounting base 7 to the frame 21 ensures the reliability of the connection with the frame 21, thereby also helping to improve the installation reliability of the horizontal vibration motor 3.

[0053] As a preferred embodiment, such as Figure 6 and Figure 7 As shown, a horizontal mounting plate 8 is welded to the bottom of the frame 21, and the vertical vibration motor 4 is mounted on the horizontal mounting plate 8. Specifically, the vertical vibration motor 4 can be fixed to the bottom of the horizontal mounting plate 8 with bolts.

[0054] In a preferred embodiment, the frame 21 comprises multiple channel steels connected as one piece, and the base 1 comprises multiple channel steels connected as one piece. This not only simplifies the structure of the frame 21 and the base 1 but also enhances their structural strength by utilizing the rigidity of the channel steels. Furthermore, the channel steel materials can be interchanged during manufacturing or assembly, reducing assembly difficulty. Preferably, the multiple channel steels of the frame 21 can be connected by welding, and the multiple channel steels of the base 1 can also be connected by welding, resulting in good connection stability.

[0055] Regarding the specific structure of base 1, preferably, as follows: Figure 9 As shown, the base 1 is formed by connecting four first channel steels 12 end to end to form a first rectangular structure, and by connecting two adjacent first channel steels 12 at the four corners of the first rectangular structure with four second channel steels 13. The four second channel steels 13 play a connecting and reinforcing role in the first rectangular structure in which the four first channel steels 12 are connected end to end, which greatly improves the structural stability of the base 1.

[0056] In a preferred embodiment, such as Figure 9 As shown, the first channel steel 12 is provided with a lifting hole 121, so that the lifting hook of the crane or other lifting equipment can be matched with the lifting hole 121 and the three-dimensional vibration compaction equipment can be suspended as a whole by the lifting equipment to realize operations such as relocation and loading.

[0057] In a preferred embodiment, such as Figure 9As shown, support plates 14 are connected to the bottom of the four corners of the first rectangular structure, and reinforcing ribs 15 are connected between the support plates 14 and the first channel steel 12. Those skilled in the art will understand that connecting the support plates 14 to the bottom of the four corners of the first rectangular structure helps increase the contact area between the base 1 and the ground, improving stability. The reinforcing ribs 15 serve as a connecting reinforcement between the support plates 14 and the first channel steel 12, improving structural strength and impact resistance, and reducing the risk of deformation.

[0058] In a preferred embodiment, such as Figure 10 As shown, the frame 21 is formed by connecting four third channel steels 211 end to end to form a second rectangular structure, and by connecting two adjacent third channel steels 211 at the four corners of the second rectangular structure with four fourth channel steels 212. Multiple fifth channel steels 213 are connected inside the second rectangular structure, and these fifth channel steels 213 are spliced ​​into a grid-like structure. The four fourth channel steels 212 play a connecting and reinforcing role in the second rectangular structure where the four third channel steels 211 are connected end to end, significantly improving the structural stability of the frame 21. The grid-like structure formed by the fifth channel steels 213 further enhances the structural strength of the frame 21, and also increases the contact area between the frame 21 and the metal tabletop 22, thereby improving the load-bearing capacity of the metal tabletop 22. Furthermore, it facilitates the welding of the horizontal mounting plate 8 to the bottom of the fifth channel steels 213, thus facilitating the installation of the vertical vibration motor 4.

[0059] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0060] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A three-dimensional vibration compaction device, characterized in that, The device includes a base and a vibration table positioned above the base. The base supports the vibration table via multiple elastic components. The vibration table includes a frame and a metal tabletop mounted on top of the frame. A horizontal vibration motor is mounted on each of the two opposite sides of the frame to provide horizontal vibration force to the vibration table. Two vertical vibration motors are mounted side-by-side at the bottom of the frame to provide vertical vibration force to the vibration table. The elastic components are configured as rubber springs with a central through-hole. The frame has an upper positioning post protruding towards the base, and the base has a lower positioning post protruding towards the frame. The upper positioning post is inserted downwards into the central through-hole, and the lower positioning post is inserted upwards into the central through-hole. There is a gap between the lower end of the upper positioning post and the upper end of the lower positioning post.

2. The three-dimensional vibration compaction device according to claim 1, characterized in that, The upper positioning post is provided with an outwardly protruding upper expansion protrusion, which is in interference fit with the inner wall of the central through hole, and multiple upper expansion protrusions are arranged sequentially along the axial direction of the upper positioning post. And / or, the lower positioning post is provided with an outwardly protruding lower expansion protrusion, the lower expansion protrusion being in interference fit with the inner wall of the central through hole, and a plurality of the lower expansion protrusions being arranged sequentially along the axial direction of the upper positioning post.

3. The three-dimensional vibration compaction device according to claim 1, characterized in that, Protective covers are installed on both sides of the frame, and the protective covers and the sides of the frame form a protective cavity surrounding the horizontal vibration motor. The bottom of the protective cavity is open, and the top surface of the protective cover is flush with the top surface of the metal table.

4. The three-dimensional vibration compaction device according to claim 1, characterized in that, Each of the two sides of the frame is connected to a mounting base for mounting the horizontal vibration motor. The mounting base includes a vertical mounting plate and two legs connected to the vertical mounting plate. The horizontal vibration motor is mounted on the vertical mounting plate, and the two legs are welded to the frame.

5. The three-dimensional vibration compaction device according to claim 1, characterized in that, A horizontal mounting plate is welded to the bottom of the frame, and the vertical vibration motor is mounted on the horizontal mounting plate.

6. The three-dimensional vibration compaction device according to claim 1, characterized in that, The frame comprises multiple channel steels connected as one piece, and the base comprises multiple channel steels connected as one piece.

7. The three-dimensional vibration compaction device according to claim 6, characterized in that, The base is formed by connecting four first channel steels end to end to form a first rectangular structure, and by connecting two adjacent first channel steels at the four corners of the first rectangular structure with four second channel steels.

8. The three-dimensional vibration compaction device according to claim 7, characterized in that, The first channel steel is provided with a lifting hole.

9. The three-dimensional vibration compaction device according to claim 7, characterized in that, The bottom of the four corners of the first rectangular structure is connected to a support plate, and a reinforcing rib is connected between the support plate and the first channel steel.

10. The three-dimensional vibration compaction device according to claim 6, characterized in that, The frame is formed by connecting four third channel steels end to end to form a second rectangular structure, and by connecting two adjacent third channel steels at the four corners of the second rectangular structure with four fourth channel steels. The second rectangular structure is internally connected with multiple fifth channel steels, which are spliced ​​together to form a grid-like structure.

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