Floating box structure of assembled wetland excavator

The design of connecting blocks and bolts in the prefabricated pontoon structure enables rapid installation. Combined with protective sleeves and anti-corrosion coatings, it solves the problems of time-consuming installation and corrosion of pontoon structures for wetland excavators, and improves the installation efficiency and protection capabilities of the equipment.

CN224119619UActive Publication Date: 2026-04-14HEFEI GAITE ENG EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEFEI GAITE ENG EQUIP MFG CO LTD
Filing Date
2025-04-22
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The installation process of existing wetland excavator pontoon structures is time-consuming and labor-intensive, with rivet installation taking a long time and being prone to corrosion in wetland environments, affecting the stability and lifespan of the equipment.

Method used

The prefabricated floating box structure utilizes a combination of connecting blocks, springs, and bolts for rapid installation. The protective sleeve, anti-corrosion coating, and corrosion inhibitor layer enhance protection and prevent corrosion.

Benefits of technology

This enables rapid installation of the floating box structure and extends its service life, improving the stability and protection of the equipment in wetland environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of floating boxes of wetland excavators, and discloses a floating box structure of an assembly type wetland excavator, which comprises a walking frame, a floating box body is arranged on the side wall of the walking frame, a fixing component is arranged on the side wall of the walking frame, and a protection component is arranged on the side wall of the floating box body. The fixing assembly comprises a mounting sleeve and a connecting block, the side wall of the mounting sleeve is fixedly connected to the side wall of the walking frame, the connecting block is fixedly connected to the side wall of the buoyancy tank body, a mounting groove is formed in the connecting block, and a clamping groove is formed in the connecting block. According to the quick mounting structure, the connecting block is inserted into the mounting sleeve, so that the clamping block is extruded, when the connecting block completely enters the mounting sleeve, the clamping block is clamped into the clamping groove through the thrust of the spring to be preliminarily fixed, then the bolt is rotated to enter the mounting groove to be further fixed, and the quick mounting effect is achieved; through the structure, the installation efficiency of equipment is improved.
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Description

Technical Field

[0001] This utility model relates to the field of wetland excavator pontoon technology, and in particular to a pontoon structure for a prefabricated wetland excavator. Background Technology

[0002] Wetlands, as unique and ecologically significant areas, possess extremely complex geological conditions. The deep silt and water-saturated soft soil within them act like traps, often causing conventional excavators to sink due to insufficient support when entering these areas. This instability prevents the machines from maintaining a stable foothold, hindering continuous and efficient excavation and significantly slowing down the entire construction process. The floating box structure of wetland excavators was developed to solve this problem. By expanding the contact area with the ground, the heavy load of the excavator is evenly distributed, ensuring that the equipment can move steadily and operate normally on slippery and soft ground. This structure has become a core equipment support in many engineering practices such as wetland resource development and ecological restoration, playing an unparalleled and crucial role in the field of wetland engineering.

[0003] The existing wetland excavator pontoon structures primarily employ riveting as a connection method. Riveting technology uses rivets as connectors to secure the pontoon components. During operation, holes with the appropriate rivet diameter are drilled in each component. The rivets are then inserted into these holes, and strong external pressure causes one end of the rivet to expand and deform, tightly locking the component in place. The tightening force generated by the deformed rivet maintains the stability of the entire connection system.

[0004] The existing wetland excavator pontoon structure installation process is extremely time-consuming. In the early stages of construction, a lot of time and effort is required to accurately measure and position each rivet hole. During the installation process, each rivet must be manually hammered into the hole and riveted, and each riveting operation takes a certain amount of time. Given the large number of rivets in the large pontoon structure, the entire installation process takes a very long time. Therefore, a prefabricated wetland excavator pontoon structure is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a pontoon structure for a prefabricated wetland excavator, aiming to improve the problem of time-consuming and labor-intensive installation in the existing technology, which involves a large number of rivets in the large pontoon structure and a total installation time of a very long time.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A floating box structure for a prefabricated wetland excavator includes a traveling frame, a floating box body is provided on the side wall of the traveling frame, a fixing component is provided on the side wall of the traveling frame, and a protective component is provided on the side wall of the floating box body.

[0008] The fixing component includes a mounting sleeve and a connecting block. The side wall of the mounting sleeve is fixedly connected to the side wall of the traveling frame, and the connecting block is fixedly connected to the side wall of the floating box body. The connecting block has an installation groove and a locking groove inside. A fixing seat is fixedly connected inside the mounting sleeve. A spring is fixedly connected to the side wall of the fixing seat. A locking block is fixedly connected to one end of the spring. A bolt is threaded inside the mounting sleeve.

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

[0010] The protective component includes a protective sleeve, which is fixedly connected to the side wall of the float box body. The protective sleeve is made of rubber material and is used to buffer collisions and prevent damage to the edges of the float box.

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

[0012] The side wall of the connecting block is slidably connected inside the mounting sleeve, the side wall of the locking block is slidably connected inside the locking groove, and the bolt is threadedly connected inside the mounting groove;

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

[0014] The floating box body is provided with an anti-corrosion coating outer layer, which is made of polytetrafluoroethylene and is used to prevent water, salt, and chemicals in the wetland from contacting the floating box base and preventing corrosion.

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

[0016] The outer sidewall of the anti-corrosion coating is provided with an intermediate layer, which is composed of glass fiber and resin to resist corrosive media in wetland environments and protect the internal structure.

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

[0018] The intermediate layer has a corrosion inhibitor filling layer on its sidewall. The corrosion inhibitor filling layer is made of a mixture of chromate and binder and is used to inhibit the corrosion process of the metal and slow down the corrosion rate.

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

[0020] The sidewall of the corrosion inhibitor filling layer is provided with a metal base layer, which is made of corrosion-resistant alloy steel to ensure that the pontoon maintains its structural strength and can withstand various external forces without deformation during long-term use.

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

[0022] 1. In this utility model, by inserting the connecting block into the mounting sleeve, the locking block is compressed. When the connecting block is fully inserted into the mounting sleeve, the locking block is initially fixed by spring thrust into the slot. Then, by rotating the bolt, it is further fixed into the mounting groove, achieving a rapid installation effect. This solves the problem that the floating box structure of some prefabricated wetland excavators is fixed by riveting. During the installation process, each rivet needs to be manually hammered into the hole and riveted, which is time-consuming and labor-intensive. For large floating box structures with a large number of rivets, the entire installation process takes a very long time. The above structure improves the installation efficiency of the equipment.

[0023] 2. In this utility model, a protective sleeve is installed on the side wall of the pontoon to prevent damage to the edge of the pontoon. Through the combined action of the outer layer, middle layer, corrosion inhibitor filling layer and metal base layer of the anti-corrosion coating, the corrosive medium can effectively prevent the corrosion of the metal base layer, greatly reduce the corrosion rate of the metal, and thus extend the service life of the pontoon. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of the floating box structure of a prefabricated wetland excavator proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the pontoon body structure of a prefabricated wetland excavator proposed in this utility model.

[0026] Figure 3 This is a schematic diagram of the walking frame structure of a prefabricated wetland excavator proposed in this utility model;

[0027] Figure 4 This is a schematic diagram of the internal structure of the pontoon body of the assembled wetland excavator proposed in this utility model.

[0028] Legend:

[0029] 1. Walking frame; 2. Floating box body; 3. Mounting sleeve; 4. Connecting block; 5. Mounting groove; 6. Slot; 7. Fixing seat; 8. Spring; 9. Locking block; 10. Bolt; 11. Outer layer of anti-corrosion coating; 12. Intermediate layer; 13. Corrosion inhibitor filling layer; 14. Metal base layer; 15. Protective sleeve. Detailed Implementation

[0030] 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.

[0031] Reference Figures 1-3 This utility model provides an embodiment of a pontoon structure for a prefabricated wetland excavator, comprising a traveling frame 1, a pontoon body 2 disposed on the side wall of the traveling frame 1, a fixing component disposed on the side wall of the traveling frame 1, and a protective component disposed on the side wall of the pontoon body 2; the fixing component includes a mounting sleeve 3 and a connecting block 4, the side wall of the mounting sleeve 3 being fixedly connected to the side wall of the traveling frame 1, the connecting block 4 being fixedly connected to the side wall of the pontoon body 2, the connecting block 4 having an installation groove 5 and a slot 6 inside, the mounting sleeve 3 having a fixing seat 7 fixedly connected inside, and the side wall of the fixing seat 7 being fixed. A spring 8 is connected, and a locking block 9 is fixedly connected to one end of the spring 8. A bolt 10 is threadedly connected inside the mounting sleeve 3. By screwing in the bolt 10, the connecting block 4 and the mounting sleeve 3 can be further tightened to prevent relative displacement between the two during operation, which greatly enhances the stability of the connection between the float body 2 and the traveling frame 1. The side wall of the connecting block 4 is slidably connected inside the mounting sleeve 3, and the side wall of the locking block 9 is slidably connected inside the slot 6. The slot 6 and the locking block 9 cooperate with each other to play a preliminary positioning and fixing role during the connection process. The bolt 10 is threadedly connected inside the mounting groove 5.

[0032] During the assembly of the float body 2 and the traveling frame 1, the connecting block 4 is aligned with the mounting sleeve 3 and inserted. During insertion, the connecting block 4 presses against the locking block 9, causing the locking block 9 to press against the spring 8 and move towards the fixed seat 7. The spring 8 provides elastic restoring force, allowing the locking block 9 to move under the action of the spring 8. When the connecting block 4 is fully inserted into the mounting sleeve 3, the locking groove 6 and the locking block 9 are aligned. At this time, the spring 8 returns to its original deformation, pushing the locking block 9 into the locking groove 6, thus achieving the initial fixation of the float body 2 and the traveling frame 1. This initial fixation structure can quickly fix the float body 2 and the traveling frame 1. The float body 2 is quickly connected to the traveling frame 1, providing a foundation for further tightening operations. Then, by rotating the bolt 10, it is screwed into the mounting groove 5 inside the connecting block 4 along the thread of the mounting sleeve 3, further tightening the connecting block 4 and the mounting sleeve 3 together, thereby ensuring the stability of the connection between the float body 2 and the traveling frame 1. The mounting groove 5 matches the bolt 10, which can effectively prevent relative displacement between the connecting block 4 and the mounting sleeve 3 during operation, ensuring a reliable connection between the float body 2 and the traveling frame 1 when the excavator is operating in wetlands, allowing the excavator to operate stably.

[0033] Reference Figure 1 and Figure 4The protective components include a protective sleeve 15, which is fixedly connected to the side wall of the float body 2. The protective sleeve 15 is made of rubber and is used to buffer collisions and prevent the edge of the float body 2 from directly contacting hard objects in the outside, thereby greatly reducing the probability of damage to the edge of the float body 2 and effectively extending the service life of the float body 2. The float body 2 is provided with an anti-corrosion coating outer layer 11, which is made of polytetrafluoroethylene and is used to block water, salt, and chemicals in the wetland from contacting the float body and preventing corrosion. The sidewall of layer 11 is provided with an intermediate layer 12, which is composed of glass fiber and resin to resist corrosive media in wetland environments and protect the internal structure. The sidewall of intermediate layer 12 is provided with a corrosion inhibitor filling layer 13, which is composed of chromate and binder to inhibit the corrosion process of metal and slow down the corrosion rate. The sidewall of corrosion inhibitor filling layer 13 is provided with a metal base layer 14, which is made of corrosion-resistant alloy steel to ensure that the pontoon maintains its structural strength during long-term use and can withstand various external forces without deformation.

[0034] The protective sleeve 15 is fixed to the side wall of the pontoon body 2. Upon impact, the protective sleeve 15 deforms due to the elasticity of its rubber material. During this deformation, the protective sleeve 15 absorbs the energy generated by the impact and converts it into its own elastic potential energy, thus significantly buffering the impact force. The outer anti-corrosion coating 11 is made of polytetrafluoroethylene (PTFE), which has an extremely low coefficient of friction and excellent chemical stability. The outer anti-corrosion coating 11 forms an extremely smooth and dense protective film on the outermost layer of the pontoon body 2. This protective film effectively prevents water, salt, and various chemicals in the wetland from directly contacting the pontoon substrate, greatly reducing the risk of external corrosive media eroding the internal structure of the pontoon and significantly mitigating the impact on the pontoon body 2. The corrosion rate is effectively reduced, preventing the performance of the float body 2 from deteriorating due to corrosion. The intermediate layer 12 is composed of glass fiber and resin. Glass fiber has high strength and elastic modulus, while resin plays a key role in bonding the glass fiber. The two are fused to form a composite material layer with good mechanical properties. The intermediate layer 12 can significantly enhance the strength and toughness of the entire anti-corrosion structure. In terms of resisting the penetration of corrosive media, the mesh structure formed by the interwoven glass fiber and the filling effect of resin can effectively block the penetration of corrosive media. When corrosive chemicals attempt to penetrate, they will be blocked in the complex structure of the intermediate layer 12, making it difficult for them to further damage the internal structure. At the same time, when the float body 2 is subjected to external impact, the intermediate layer 12 can, according to its own structural characteristics, withstand the impact. This disperses concentrated stress in all directions, ensuring the integrity and protective effect of the entire anti-corrosion coating system remain consistently good. The corrosion inhibitor filling layer 13 is composed of chromate and binder. Chromate possesses special properties that inhibit metal corrosion. When chromate comes into contact with the metal surface, a specific chemical reaction occurs, forming a dense protective film on the metal surface. This protective film effectively prevents further chemical reactions between the metal and the corrosive medium, thereby inhibiting the metal corrosion process and slowing down the corrosion rate. The binder binds the chromate and other components together, ensuring that the corrosion inhibitor filling layer 13 maintains a stable structural morphology, providing additional protection for the pontoon and enhancing the corrosion resistance of the pontoon body 2 in complex wetland environments. The metal base layer 14 is made of corrosion-resistant alloy steel, which combines good strength and corrosion resistance. Whether subjected to vibrations, gravity, or ground reaction forces during excavator operation, the metal base layer 14 can maintain its shape stability due to its high strength and will not undergo significant deformation. Simultaneously, the metal base layer 14 works in conjunction with the corrosion inhibitor filling layer 13. The corrosion inhibitor filling layer 13 provides additional corrosion protection for the metal base layer 14, reducing the risk of corrosion. The metal base layer 14, in turn, provides a stable adhesion base for the corrosion inhibitor filling layer 13, allowing it to firmly adhere to the surface of the metal base layer 14. These two elements complement each other, ensuring the structural integrity of the float box internally.Ensuring the pontoon can operate stably for extended periods in complex wetland environments provides a solid and reliable foundation for the normal operation of wetland excavators.

[0035] Working principle: During the assembly of the float body 2 and the traveling frame 1, the connecting block 4 is aligned with the mounting sleeve 3 and inserted. During insertion, the connecting block 4 will press the locking block 9, causing the locking block 9 to press the spring 8 and move towards the fixed seat 7. When the connecting block 4 is fully inserted into the mounting sleeve 3, the locking groove 6 and the locking block 9 are aligned. At this time, the spring 8 returns to its original deformation, pushing the locking block 9 into the locking groove 6, thus achieving the initial fixation of the float body 2 and the traveling frame 1. Then, by rotating the bolt 10, it is screwed into the mounting groove 5 inside the connecting block 4 along the thread of the mounting sleeve 3. In the process, the connecting block 4 and the mounting sleeve 3 are further tightened together to ensure the stability of the connection between the pontoon body 2 and the traveling frame 1. The protective sleeve 15 is fixed to the side wall of the pontoon body 2. Because it is made of rubber, it can deform at the moment of collision, absorb the energy generated by the collision, and thus buffer the collision force, effectively preventing the edge of the pontoon body 2 from being directly damaged, and playing a role in protecting the pontoon body 2. The outer anti-corrosion coating 11 is made of polytetrafluoroethylene, which can form a smooth and dense protective film on the outermost layer of the pontoon body 2 in wetland environments. The intermediate layer 12, composed of glass fiber and resin, effectively blocks the contact between water, salt, and chemicals in the wetland and the pontoon substrate, greatly reducing the risk of external corrosive media eroding the internal structure of the pontoon and playing a role in preventing corrosion. The intermediate layer 12 can effectively resist the penetration of corrosive media and protect the internal structure from corrosion damage. At the same time, when the pontoon body 2 is subjected to external impact, it can disperse stress and prevent the outer layer 11 of the anti-corrosion coating from being damaged due to uneven stress. The corrosion inhibitor filling layer 13 is composed of chromate and binder. Chromate can form a protective film on the metal surface, inhibiting the metal corrosion process and slowing down the corrosion rate. The binder firmly bonds the chromate and other components together, ensuring the structural stability of the corrosion inhibitor filling layer 13 and providing additional protection for the pontoon. The metal base layer 14 is made of corrosion-resistant alloy steel. Corrosion-resistant alloy steel has good strength and corrosion resistance and can withstand various external forces without deformation, providing stable structural support for the pontoon. It works together with the corrosion inhibitor filling layer 13 to ensure the structural integrity of the pontoon from the inside.

[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 floating box structure for a prefabricated wetland excavator, comprising a traveling frame (1), characterized in that: The walking frame (1) is provided with a floating box body (2) on its side wall, the walking frame (1) is provided with a fixing component on its side wall, and the floating box body (2) is provided with a protective component on its side wall; The fixing components include a mounting sleeve (3) and a connecting block (4). The side wall of the mounting sleeve (3) is fixedly connected to the side wall of the walking frame (1). The connecting block (4) is fixedly connected to the side wall of the floating box body (2). The connecting block (4) has an installation groove (5) inside and a slot (6) inside. The mounting sleeve (3) has a fixing seat (7) fixedly connected inside. The side wall of the fixing seat (7) has a spring (8) fixedly connected. One end of the spring (8) has a locking block (9) fixedly connected. The mounting sleeve (3) has a bolt (10) threadedly connected inside.

2. The floating box structure of a prefabricated wetland excavator according to claim 1, characterized in that: The protective component includes a protective sleeve (15), which is fixedly connected to the side wall of the float body (2). The protective sleeve (15) is made of rubber and is used to buffer collisions and prevent damage to the edge of the float.

3. The floating box structure of a prefabricated wetland excavator according to claim 1, characterized in that: The side wall of the connecting block (4) is slidably connected inside the mounting sleeve (3), the side wall of the locking block (9) is slidably connected inside the locking groove (6), and the bolt (10) is threadedly connected inside the mounting groove (5).

4. The floating box structure of a prefabricated wetland excavator according to claim 2, characterized in that: The floating box body (2) is provided with an anti-corrosion coating outer layer (11).

5. The floating box structure of a prefabricated wetland excavator according to claim 4, characterized in that: The outer layer (11) of the anti-corrosion coating has an intermediate layer (12) on its side wall.

6. The floating box structure of a prefabricated wetland excavator according to claim 5, characterized in that: The intermediate layer (12) has a corrosion inhibitor filling layer (13) on its sidewall.

7. The floating box structure of a prefabricated wetland excavator according to claim 6, characterized in that: The corrosion inhibitor filling layer (13) has a metal base layer (14) on its sidewall.