A wide-track buoyancy box ballast linkage lifting lotus root harvesting operation equipment

Abstract

The present invention discloses a wide-track buoyancy box ballasted linkage lifting lotus root harvesting operation equipment, comprising: a walking mechanism, a set frame fixedly installed above the walking mechanism, a four-point linkage lifting mechanism main body installed on the set frame, a buoyancy box located in the set frame, and the four-point linkage lifting mechanism main body drives the buoyancy box to move up and down and / or drives the buoyancy box to slide up and down along the set frame, so that the buoyancy box can be partially or completely moved down into the water; the buoyancy box is driven up and down by the four-point linkage lifting mechanism main body, and the position of the buoyancy box can be adaptively adjusted according to different working water depths, thereby adjusting the buoyancy size, so as to avoid the equipment from sinking into lotus root mud; in the case where the equipment sinks into the lotus root mud and the bottom is supported, the buoyancy box can be lifted up to achieve escape.

Description

Technical Field

[0001] The present invention relates to the field of agricultural machinery and equipment, and in particular to a wide-track buoyancy box ballast linkage lifting lotus root harvesting operation equipment. Background Art

[0002] At present, the mechanization level of lotus root harvesting operations in China is very low, mainly relying on manual excavation. The harvesting operation environment of lotus roots is harsh, especially in winter. Lotus root farmers work in cold ice water, which not only has a high labor intensity, but also has low lotus root digging efficiency, serious lotus root damage, and poor commodity quality.

[0003] For this reason, many mechanized lotus root digging devices have emerged on the market. Currently, the mainstream mechanized lotus root digging devices are mainly divided into floating type and self-propelled type. Among them, the self-propelled type mainly adopts crawler walking and a large-flow water jetting method. The high-pressure jet is flushed to the bottom of the lotus root pond through a sewage pump / clean water pump to wash away the silt attached to the lotus roots. The lotus roots float to the water surface by means of buoyancy to achieve the collection of lotus roots. However, the device has the problem of overall overweight, and there is a risk of sinking in an extremely soft lotus root pond environment. Once the device gets stuck on the bottom, the lotus root digging device will be completely trapped in the lotus root mud and unable to get out of trouble.

[0004] In view of this, how to provide a self-propelled lotus root digging device that can avoid getting stuck in the lotus root mud is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0005] The purpose of the present invention is to provide a wide-track buoyancy box ballast linkage lifting lotus root harvesting operation equipment to solve the problems existing in the prior art. By combining a buoyancy box with a four-point linkage lifting device, the buoyancy box is lifted and lowered to adapt to different working water depth requirements, and the device is prevented from getting stuck in the lotus root mud.

[0006] To achieve the above purpose, the present invention provides the following solution: The present invention provides a wide-track buoyancy box ballast linkage lifting lotus root harvesting operation equipment, including: a traveling mechanism, a sleeved frame, the sleeved frame is fixedly installed above the traveling mechanism; a four-point linkage lifting mechanism main body mechanism, the four-point linkage lifting mechanism main body mechanism is installed on the sleeved frame; a buoyancy box, the buoyancy box is located within the sleeved frame, the four-point linkage lifting mechanism main body mechanism drives the buoyancy box to move up and down and / or drives the buoyancy box to slide up and down along the sleeved frame, and the buoyancy box can be partially or completely lowered into the water.

[0007] The beneficial effect of the present invention is that: by driving the buoyancy box to move up and down through the four-point linkage lifting mechanism main body mechanism, the position of the buoyancy box can be adaptively adjusted according to different working water depths, and then the buoyancy can be adjusted to prevent the device from getting stuck in the lotus root mud; when the device gets stuck on the bottom and is in a situation of being grounded, the buoyancy box can be lifted to achieve getting out of trouble.

[0008] Furthermore, the walking mechanism includes: an end crossbeam and a wide crawler track, the wide crawler track is arranged at the two ends of the end crossbeam and driven by a hydraulic motor, and the wide crawler track is a rubber crawler track. The wide rubber crawler track can increase the contact area between the crawler track and the working surface, reduce the ground contact pressure, and further prevent the equipment from sinking into the lotus mud. Preferably, the hydraulic motor can select a low-speed high-torque hydraulic motor.

[0009] Furthermore, the set frame includes: an outer frame and a lower support beam, the top of the lower support beam is fixedly connected to the outer frame, and the bottom is fixedly connected to the end cross beam, and the main body of the four-point linkage lifting mechanism is fixedly installed on the outer frame. The set frame is the installation mechanism of the main body of the four-point linkage lifting mechanism and is also the carrier of each working module in the equipment, and the lower support beam can transfer the load to the end cross beam.

[0010] Furthermore, the main structure of the four-point linkage lifting mechanism includes: a power machine; a lift, the power machine is installed on the outer shell of the lift, the power machine is connected to the power input shaft of the lift, and the lift is fixedly installed on the outer frame; an upper connecting plate, the lifting end of the lift is fixedly connected to the upper connecting plate through a bracket, the upper connecting plate is fixedly connected to the buoyancy box, and the lift can drive the upper connecting plate and the buoyancy box to move up and down. The lift is a power supply mechanism for the buoyancy box to move up and down. When the lift is started, it can drive the upper connecting plate to move up or down through the bracket, and then drive the buoyancy box to move up or down, adjust the volume and buoyancy of the buoyancy box entering the water, and prevent the equipment from sinking into lotus mud. Preferably, the lift uses a worm gear lift or a screw lift with a large reduction ratio.

[0011] Furthermore, there are four groups of the elevators and the upper connecting plates, and the four elevators are respectively arranged near the four corners on both sides of the buoyancy box, and the four elevators are synchronously driven by the power machine. In order to ensure the stability of the up and down movement of the buoyancy box, the present application arranges an elevator at each of the four corners of the buoyancy box, and the elevators operate simultaneously, so that each position of the buoyancy box is synchronously lifted and lowered and the force is balanced.

[0012] Further, it also includes: a first transmission rod, the four elevators are respectively a first elevator, a second elevator, a third elevator and a fourth elevator, the first elevator and the second elevator are located on one side of the buoyancy box, the third elevator and the fourth elevator are located on the other side of the buoyancy box, the first elevator is connected to the power machine by transmission, and the second elevator is connected to the first elevator by transmission through the first transmission rod; a second transmission rod, the second elevator is connected to the first sprocket shaft by transmission through the second transmission rod and the first coupling, the end of the first sprocket shaft is connected to the first sprocket by transmission, and the first sprocket is installed in the first sprocket seat; a third transmission rod, the third elevator is connected to the second sprocket shaft by transmission through the third transmission rod and the second coupling, the end of the second sprocket shaft is connected to the second sprocket by transmission, the second sprocket is installed in the second sprocket seat, and the first sprocket and the second sprocket are connected by a chain; a fourth transmission rod, the third elevator and the fourth elevator are connected by transmission through the fourth transmission rod, and when the power machine is started, the first elevator, the second elevator, the third elevator and the fourth elevator run synchronously. The beneficial effect of adopting the above technical solution is that one power machine can drive four elevators to run synchronously, saving equipment cost and installation space. Preferably, the four elevators can be symmetrically arranged on the two sides of the sealed box body, and correspondingly, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are also symmetrically arranged. Preferably, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are hollow rods.

[0013] Furthermore, the buoyancy box includes: a sealed box, the upper connecting plate is fixedly connected to the sealed box, and a box beam structure, the box beam structure is a rectangular frame, and the sealed box is fixedly arranged on the outer side of the box beam structure. Preferably, the sealed box is formed by welding and sealed by iron sheet.

[0014] Furthermore, it also includes: a guide pillar, which is fixedly arranged on the side of the sealed box; the bottom of the lower beam is a lower beam guide, and the lower beam guide is adapted to the shape of the guide pillar. When the sealed box moves up and down, the guide pillar slides up and down along the lower beam guide. The guide pillar and the lower beam guide as a whole play a limiting role, which can ensure that the sealed box moves up and down in the vertical direction, and can also enhance the stability of the sealed box during the up and down movement.

[0015] Further, it also includes a ballast valve and a drain valve. The drain valve is arranged at the bottom of the sealed box body, and the ballast valve is arranged near the top of the sealed box body. The ballast valve is communicated with an external pressure air system. In the above solution, the drain valve can be opened under some working conditions to drain water into the sealed box body and can be opened when water enters the sealed box body to discharge the accumulated water inside. The ballast valve is communicated with the pressure air. After being opened, it can inject pressure air into the sealed box body to quickly discharge the accumulated water inside the sealed box body.

[0016] Further, it also includes a water suction pipeline and a water flow injection mechanism. The water suction pipeline is arranged inside the sealed box body. One end of it penetrates through the sealed box body in a sealed manner and extends to the outside, and the other end is communicated with the water flow injection mechanism. In this application, the water suction pipeline is arranged inside the sealed box body, which can move up and down together with the sealed box body and can also make full use of the internal space of the sealed box body.

[0017] Further, it also includes a sealed connecting flange and a flexible connecting part. The flexible connecting part is located inside the sealed box body. The flexible connecting part divides the water suction pipeline into a first pipeline and a second pipeline. The front and rear ends of the flexible connecting part are respectively and hermetically communicated with the first pipeline and the second pipeline through the sealed connecting flange. The function of the flexible connecting part is to expand the adaptability of the water suction pipeline, and it can flexibly adjust the length of the water suction pipeline and eliminate the installation error.

[0018] Further, it also includes an internal hydraulic oil tank and an internal fuel tank. The internal hydraulic oil tank and the internal fuel tank are arranged inside the sealed box body. The interfaces of the internal hydraulic oil tank and the internal fuel tank penetrate through the upper side wall of the sealed box body in a sealed manner and extend upward. The internal hydraulic oil tank and the internal fuel tank are used to supply other working modules on the equipment. Since the sealed box body may be completely immersed in water, the interfaces of the internal hydraulic oil tank and the internal fuel tank need to be higher than the upper edge of the sealed box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 is Figure 1 a side view;

[0022] Figure 3 is Figure 1 a right view;

[0023] Figure 4 is a schematic structural diagram of the buoyancy box body (part of the wide-track crawler is not shown);

[0024] Figure 5 is a schematic top view structural diagram of the buoyancy box body (part of the wide-track crawler is not shown);

[0025] Figure 6 is a side view of the buoyancy box body;

[0026] Figure 7 is a schematic structural diagram of the main mechanism of the four-point linkage lifting mechanism (the wide-track crawler is not shown);

[0027] Figure 7A is Figure 6 an enlarged schematic diagram at the middle sprocket;

[0028] Figure 8 is a side view of the main mechanism of the four-point linkage lifting mechanism;

[0029] Figure 9 is a top view of the main mechanism of the four-point linkage lifting mechanism (the wide-track crawler is not shown);

[0030] Figure 10 is a schematic diagram of the working module;

[0031] Among them, 1. Traveling mechanism; 1.1 Wide-track crawler; 1.2 Hydraulic motor; 1.3 End crossbeam; 2. Sleeve frame; 2.1 Outer frame; 2.2 Lower support beam; 2.3 Lower support beam guide; 3. Buoyancy box body; 3.1 Sealed box body; 3.2 Box body beam structure; 3.2.1 Flat main beam; 3.2.2 Transverse main beam; 3.2.3 Side main beam; 3.2.4 Bottom main beam; 4. Main mechanism of the four-point linkage lifting mechanism; 4.1 Power machine; 4.2 Elevator; 4.3 First transmission rod; 4.4 Lower connecting plate; 4.5 Bracket; 4.6 Upper connecting plate; 4.7 Chain; 4.8 First sprocket; 4.9 First sprocket shaft; 4.10 First coupling; 4.11 First sprocket seat; 5. Working module; 5.1 Diesel engine; 5.2 Power take-off box; 5.3 Sewage pump; 5.4 Chain swing jet mechanism; 5.5 Suction pipeline; 5.6 Discharge pipeline; 5.7 Hydraulic system; 5.8 Control system; 6. Sealing flange; 7. Flexible connection part; 8. Drain valve; 9. Ballast valve. Specific embodiments

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] The present embodiment provides a wide-track buoyancy box 3 ballasted linkage lifting lotus root harvesting operation equipment, including: a walking mechanism 1, a set frame 2, the set frame 2 is fixedly installed above the walking mechanism 1; a four-point linkage lifting mechanism main body 4, the four-point linkage lifting mechanism main body 4 is installed on the set frame 2; a buoyancy box 3, the buoyancy box 3 is located in the set frame 2, the four-point linkage lifting mechanism main body 4 drives the buoyancy box 3 to move up and down and / or drives the buoyancy box 3 to slide up and down along the set frame 2, and the buoyancy box 3 can be partially or completely moved down into the water.

[0035] In this embodiment, the traveling mechanism 1 comprises: an end cross beam 1.3 and a wide crawler track 1.1. The wide crawler track 1.1 is arranged at both ends of the end cross beam 1.3 and driven by a hydraulic motor 1.2. The wide crawler track 1.1 is a rubber crawler track.

[0036] In this embodiment, the set frame 2 includes: an outer frame 2.1 and a lower support beam 2.2, the top of the lower support beam 2.2 is fixedly connected to the outer frame 2.1, and the bottom is fixedly connected to the end cross beam 1.3, and the main body 4 of the four-point linkage lifting mechanism is fixedly installed on the outer frame 2.1.

[0037] In this embodiment, the main structure 4 of the four-point linkage lifting mechanism includes: a power machine 4.1, which is fixedly mounted on the outer frame 2.1 through a lower connecting plate 4.4; an elevator 4.2, the power machine 4.1 is drivingly connected to the power input shaft of the elevator 4.2; an upper connecting plate 4.6, the lifting end of the elevator 4.2 is fixedly connected to the upper connecting plate 4.6 through a bracket 4.5, and the upper connecting plate 4.6 is fixedly connected to the buoyancy box 3, and the elevator 4.2 can drive the upper connecting plate 4.6 and the buoyancy box 3 to move up and down.

[0038] In this embodiment, there are four groups of elevators 4.2 and upper connecting plates 4.6. The four elevators 4.2 are respectively arranged near the four corners on both sides of the buoyancy box 3. The four elevators 4.2 are synchronously driven by the power machine 4.1.

[0039] In this embodiment, it further includes: a first transmission rod 4.3. The four elevators 4.2 are respectively the first elevator 4.2, the second elevator 4.2, the third elevator 4.2, and the fourth elevator 4.2. The first elevator 4.2 and the second elevator 4.2 are located on one side of the buoyancy box body 3, and the third elevator 4.2 and the fourth elevator 4.2 are located on the other side of the buoyancy box body 3. The first elevator 4.2 is in transmission connection with the power machine 4.1, and the second elevator 4.2 is in transmission connection with the first elevator 4.2 through the first transmission rod 4.3; a second transmission rod. The second elevator 4.2 is in transmission connection with the first sprocket shaft 4.9 through the second transmission rod and the first coupling 4.10. The end of the first sprocket shaft 4.9 is in transmission connection with the first sprocket 4.8, and the first sprocket 4.8 is installed in the first sprocket seat 4.1.1; a third transmission rod. The third elevator 4.2 is in transmission connection with the second sprocket shaft through the third transmission rod and the second coupling. The end of the second sprocket shaft is in transmission connection with the second sprocket, and the second sprocket is installed in the second sprocket seat. The first sprocket 4.8 and the second sprocket are connected by a chain 4.7; a fourth transmission rod. The third elevator 4.2 and the fourth elevator 4.2 are in transmission connection through the fourth transmission rod. When the power machine 4.1 is started, the first elevator 4.2, the second elevator 4.2, the third elevator 4.2, and the fourth elevator 4.2 run synchronously. The beneficial effect of adopting the above technical solution is that: four elevators 4.2 can be driven to run synchronously by one power machine 4.1, saving equipment cost and installation space. Preferably, the four elevators 4.2 can be symmetrically arranged on both side surfaces of the sealed box body 3.1. Correspondingly, the first connecting rod, the second connecting rod, the third connecting rod, and the fourth connecting rod are also symmetrically arranged. Preferably, the first connecting rod, the second connecting rod, the third connecting rod, and the fourth connecting rod are hollow rods.

[0040] In this embodiment, the buoyancy box body 3 includes: a sealed box body 3.1, and the upper connecting plate 4.6 is fixedly connected to the sealed box body 3.1; a box body beam structure 3.2. The box body beam structure 3.2 is a rectangular frame, and the sealed box body 3.1 is fixedly arranged on the outer side surface of the box body beam structure 3.2. Specifically, the box body beam structure 3.2 is composed of a flat main beam 3.2.1, a transverse main beam 3.2.2, a side main beam 3.2.3, and a bottom main beam 3.2.4.

[0041] Further, it further includes: a guiding pillar fixedly arranged on the side surface of the sealed box body 3.1; the bottom of the lower support beam 2.2 is the lower support beam guide 2.3, and the lower support beam guide 2.3 is adapted to the shape of the guiding pillar. When the sealed box body 3.1 moves up and down, the guiding pillar slides up and down along the lower support beam guide 2.3. The guiding pillar and the lower support beam guide 2.3 play a limiting role as a whole, which can ensure that the sealed box body 3.1 moves up and down in the vertical direction and can also enhance the stability of the sealed box body 3.1 during the up and down movement. In this embodiment, the cross-section of the guiding pillar is a rectangular structure with an opening, and the lower support beam guide 2.3 is a T-shaped structure. The lower support beam guide 2.3 can be clamped into the opening of the guiding pillar and is slidably connected thereto. The lower support beam 2.2 needs to have sufficient strength to ensure that it will not be bent under the influence of the complex walking conditions of the wide-track crawler 1.1.

[0042] In this embodiment, it further includes a ballast valve 9 and a drain valve 8. The drain valve 8 is arranged at the bottom of the sealed box body 3.1, and the ballast valve 9 is arranged near the top of the sealed box body 3.1. The ballast valve 9 is communicated with the external pressure air system.

[0043] In this embodiment, it further includes a water suction pipeline 5.5 and a water flow injection mechanism. The water suction pipeline 5.5 is arranged inside the sealed box body 3.1, one end of which penetrates through the sealed box body 3.1 in a sealed manner and extends to the outside, and the other end is communicated with the water flow injection mechanism. In this embodiment, the water flow injection mechanism adopts a chain swing jet mechanism 5.4.

[0044] In this embodiment, it further includes a sealed connection flange and a flexible connection part 7. The flexible connection part 7 is located inside the sealed box body 3.1. The flexible connection part 7 divides the water suction pipeline 5.5 into a first pipeline and a second pipeline. The front and rear ends of the flexible connection part 7 are respectively sealed and communicated with the first pipeline and the second pipeline through the sealed connection flange.

[0045] In this embodiment, it further includes an internal hydraulic oil tank and an internal fuel tank. The internal hydraulic oil tank and the internal fuel tank are arranged inside the sealed box body 3.1. The interfaces of the internal hydraulic oil tank and the interfaces of the internal fuel tank penetrate through the upper side wall of the sealed box body 3.1 in a sealed manner and extend upward.

[0046] In this embodiment, a working module 5 is also included, which includes a diesel engine 5.1, a transfer case 5.2, a sewage pump 5.3, a water outlet pipeline 5.6, a hydraulic system 5.7 and a control system 5.8, etc. The working module 5 is arranged on the sealed box body 3.1 as a whole, and moves up and down with the sealed box body 3.1. The chain swing jet mechanism 5.4 is arranged on the outer frame 2.1, which is used for harvesting lotus roots, and does not rise and fall with the buoyancy box body 3. The diesel engine 5.1 is the power device of the lotus root harvesting equipment, and the equipment includes auxiliary modules such as cooling system, starting, power generation and pneumatic. The diesel engine 5.1 is connected to the interface of the built-in fuel tank; the transfer case 5.2 is a power distribution module, the input end is directly connected to the diesel engine 5.1 through SAE, and the output end is directly connected to the sewage pump 5.3 and the hydraulic pump of the hydraulic system 5.7. The sewage pump 5.3 is set on the water inlet pipeline, and its suction port is connected to the water suction pipeline 5.5, and the water outlet is connected to the water outlet pipeline 5.6, and the water outlet pipeline 5.6 is connected to the chain swing jet mechanism 5.4. The hydraulic pump of the hydraulic system 5.7 is connected to the interface of the built-in hydraulic oil tank, and the hydraulic module is installed on the upper part.

[0047] The specific working process is as follows: when the equipment is running in the lotus root collection area and the buoyancy box 3 needs to be moved down to adjust the buoyancy, the power machine 4.1 is started, and the first elevator 4.2, the second elevator 4.2, the third elevator 4.2 and the fourth elevator 4.2 are synchronously operated through the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, and the four elevators 4.2 are synchronously descended, and the upper connecting plate 4.6 and the buoyancy box 3 are driven to move down together through the bracket 4.5. The buoyancy box 3 enters the water to generate buoyancy for the equipment, reducing the pressure of the wide crawler 1.1 on the water surface, thereby preventing the equipment from sinking into the lotus root mud; when the equipment is stuck in the lotus root mud and the bottom is supported, the power machine 4.1 is reversed and started, and the four elevators 4.2 rise synchronously, driving the upper connecting plate 4.6 and the buoyancy box 3 to move up, so as to achieve escape.

[0048] The present invention provides a wide-track buoyancy box ballasted linkage lifting lotus root harvesting equipment. The buoyancy box 3 is driven up and down by a four-point linkage lifting mechanism main body 4. The position of the buoyancy box 3 can be adaptively adjusted according to different working water depths to adjust the buoyancy size, so as to prevent the equipment from sinking into the lotus mud. When the equipment is stuck in the lotus mud and the bottom is supported, the buoyancy box 3 can be lifted to get out of trouble. The wide track 1.1 is a rubber track. The wide rubber track can increase the contact area between the track and the working surface, reduce the ground pressure, and further prevent the equipment from sinking into the lotus mud. A lift 4.2 is set at each of the four corners of the buoyancy box 3, and each lift 4.2 runs at the same time, so that each position of the buoyancy box 3 is lifted and lowered synchronously and the force is balanced.

[0049] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, 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, and therefore should not be construed as a limitation to the present invention.

[0050] The embodiments described above are only for describing the preferred mode of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solution of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A wide-track buoyancy box ballast linkage lifting lotus root harvesting operation equipment, characterized in that, Comprising: A traveling mechanism (1); A sleeved frame (2), which is fixedly installed above the traveling mechanism (1); A four-point linkage lifting mechanism main body mechanism (4), which is installed on the sleeved frame (2) and connects the sleeved frame (2) and a buoyancy box body (3); The buoyancy box body (3), which is located inside the sleeved frame (2), and the four-point linkage lifting mechanism main body mechanism (4) drives the buoyancy box body (3) to slide up and down along the sleeved frame (2), and the buoyancy box body (3) can partially or completely move down into the water; The traveling mechanism (1) includes: an end cross beam (1.3) and a wide-track crawler (1.1), the wide-track crawler (1.1) is arranged at both ends of the end cross beam (1.3) and is driven by a hydraulic motor (1.2), and the wide-track crawler (1.1) is a rubber crawler; The sleeved frame (2) includes: an outer frame (2.1) and a lower support beam (2.2), the top of the lower support beam (2.2) is fixedly connected to the outer frame (2.1), the bottom is fixedly connected to the end cross beam (1.3), and the four-point linkage lifting mechanism main body mechanism (4) is fixedly installed on the outer frame (2.1); The four-point linkage lifting mechanism main body mechanism (4) includes: A power machine (4.1); A lift (4.2), the power machine (4.1) is installed on the outer shell of the lift (4.2), the power machine (4.1) is in transmission connection with the power input shaft of the lift (4.2), and the lift (4.2) is fixedly installed on the outer frame (2.1); An upper connecting plate (4.6), the lifting end of the lift (4.2) is fixedly connected to the upper connecting plate (4.6) through a bracket (4.5), the upper connecting plate (4.6) is fixedly connected to the buoyancy box body (3), and the lift (4.2) can drive the upper connecting plate (4.6) and the buoyancy box body (3) to move up and down; There are four groups of the lift (4.2) and the upper connecting plate (4.6), and the four lifts (4.2) are respectively arranged near the four corners on both sides of the buoyancy box body (3), and the four lifts (4.2) are synchronously driven by the power machine (4.1); It further includes: A first transmission rod (4.3), the four lifts (4.2) are respectively a first lift, a second lift, a third lift and a fourth lift, the first lift and the second lift are located on one side of the buoyancy box body (3), the third lift and the fourth lift are located on the other side of the buoyancy box body (3), the first lift is in transmission connection with the power machine (4.1), and the second lift is in transmission connection with the first lift through the first transmission rod (4.3); The second transmission rod, the second elevator is drivingly connected to the first sprocket shaft (4.9) through the second transmission rod and the first coupling (4.10), the end of the first sprocket shaft (4.9) is drivingly connected to the first sprocket (4.8), and the first sprocket (4.8) is installed in the first sprocket seat (4.11); The third transmission rod, the third elevator is drivingly connected to the second sprocket shaft through the third transmission rod and the second coupling, the end of the second sprocket shaft is drivingly connected to the second sprocket, the second sprocket is installed in the second sprocket seat, and the first sprocket (4.8) and the second sprocket are connected by a chain (4.7); The fourth transmission rod, the third elevator and the fourth elevator are drivingly connected through the fourth transmission rod. When the power machine (4.1) is started, the first elevator, the second elevator, the third elevator and the fourth elevator operate synchronously; The buoyancy box body (3) includes: A sealed box body (3.1), the upper connecting plate (4.6) is fixedly connected to the sealed box body (3.1); A box body beam structure (3.2), the box body beam structure (3.2) is a rectangular frame, and the sealed box body (3.1) is fixedly arranged on the outer side surface of the box body beam structure (3.2); It further includes a ballast valve (9) and a drain valve (8), the drain valve (8) is arranged at the bottom of the sealed box body (3.1), the ballast valve (9) is arranged near the top of the sealed box body (3.1), and the ballast valve (9) is communicated with an external pressure air system; It further includes a water suction pipeline (5.5) and a water flow injection mechanism, the water suction pipeline (5.5) is arranged in the sealed box body (3.1), one end of which is hermetically penetrated through the sealed box body (3.1) and extends to the outside, and the other end is communicated with the water flow injection mechanism, and the water flow injection mechanism is fixedly installed on the outer frame (2.1).

2. A wide-track buoyancy box ballast linkage lifting lotus root harvesting operation equipment according to claim 1, characterized in that, It further includes: A guiding pillar, the guiding pillar is fixedly arranged on the side surface of the sealed box body (3.1); the bottom of the lower support beam (2.2) is a lower support beam guide (2.3), and the lower support beam guide (2.3) is adapted to the shape of the guiding pillar. When the sealed box body (3.1) moves up and down, the guiding pillar slides up and down along the lower support beam guide (2.3).

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