Front-collection and rear-grass-chopping device

By integrating harvesting, chain conveying, and grass-chopping devices into a mechanical harvesting vessel, the automated crushing of aquatic plants is achieved, solving the problems of small size and low efficiency of existing harvesting vessels and improving the efficiency of aquatic plant collection and transportation.

CN223666824UActive Publication Date: 2025-12-16HUBEI WANYING MASCH CO LTD
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Patent Information

Application Number
CN202423097010.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-16
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing mechanical harvesting vessels have limited space, making it impossible to collect large quantities of aquatic plants at once, resulting in inconvenient transportation and storage, and low efficiency.

Method used

Design a front-collection and rear-chopping device, including a harvesting device, a chain conveyor, a primary chopping device and a secondary chopping device. The device uses a hydraulic motor to drive the shearing and shredding of aquatic plants, reducing their volume and water content, and achieving automated cleaning.

Benefits of technology

This increased the amount of aquatic plants collected and piled up, reduced the number of transportation and unloading operations, and improved the efficiency and convenience of river cleaning.

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Abstract

The utility model discloses a front collection and rear grass chopping device, and relates to the technical field of aquatic plant harvesting boats, the front collection and rear grass chopping device comprises a boat body, the front end of the boat body is respectively provided with a harvesting device and a chain type conveying device, the chain type conveying device is connected to the front end of the boat body, and the harvesting device is connected to the feeding end of the chain type conveying device. A first-stage grass chopping device, a conveying belt elevator and a second-stage grass chopping device are further arranged on the ship body, the first-stage grass chopping device is located at the discharging end of the chain type conveying device, and the discharging end of the chain type conveying device obliquely upwards extends to the position over a feeding opening in the top of the first-stage grass chopping device. The harvesting device, the chain type conveying device, the first-stage grass chopping device, the conveying belt elevator and the second-stage grass chopping device are integrally assembled on the ship body, the size and the water content of the chopped aquatic plants are reduced, the stacking amount of the collected aquatic plants can be increased, the back-and-forth distance and the discharging frequency are reduced, time and labor are saved, and extremely high weeding efficiency is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the waterweeds harvesting ship technical field, concretely is a front collection rear straw device. BACKGROUND

[0002] In river maintenance, the waterweeds in the river need to be cleaned regularly, so that the river can maintain a good ecological environment. At present, the waterweeds in the river are generally treated by mechanical harvesting. The existing mechanical harvesting ship bodies are various, some of which are small in size and cannot collect a large amount of waterweeds at one time. The collected waterweeds occupy a large space, which is not conducive to transportation and storage. Therefore, regular unloading and back-and-forth travel are time-consuming and laborious, and the efficiency is low. Therefore, a front collection rear straw device is proposed. UTILITY MODEL CONTENT

[0003] The utility model discloses a front collection rear straw device, which solves the problem of the small space of the existing mechanical harvesting ship body, the inability to collect a large amount of waterweeds at one time, the large space occupied by the collected waterweeds, the inconvenience of transportation and storage, the time-consuming and laborious regular unloading and back-and-forth travel, and the low efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a front collection rear straw device, comprising a ship body, a harvesting device and a chain conveyor are arranged at the front end of the ship body, the chain conveyor is connected to the front end of the ship body, and the harvesting device is connected to the feeding end of the chain conveyor, a primary straw device, a conveyor belt elevator and a secondary straw device are also arranged on the ship body, the primary straw device is located at the discharge end of the chain conveyor, the discharge end of the chain conveyor extends obliquely upward to the top of the primary straw device, the bottom end of the conveyor belt elevator extends to the bottom discharge end of the primary straw device, and the top end of the conveyor belt elevator extends obliquely upward to the top of the secondary straw device.

[0005] Preferably, the harvesting device comprises a shearing mechanism and a harvesting sawtooth disc, the shearing mechanism is horizontally arranged at the front end of the feeding end of the chain conveyor, and the shearing mechanism is driven by a hydraulic motor and a connecting rod mechanism to perform shearing motion.

[0006] The harvesting sawtooth disc is vertically arranged on both sides of the feeding end of the chain conveyor, the harvesting sawtooth disc is located above the shearing mechanism, and the harvesting sawtooth disc is driven to rotate by a hydraulic motor.

[0007] Preferably, the shearing mechanism comprises a fixed blade and a movable blade, the fixed blade is connected to the chain conveyor frame through a support, the movable blade is arranged in parallel with the fixed blade, and the movable blade is slidably arranged on the blade holder of the fixed blade along the length direction of the fixed blade, one end of the connecting rod mechanism is hinged to the connecting shaft on the movable blade, the other end of the connecting rod mechanism is hinged to the eccentric shaft on the disc connected with the conveying end of the hydraulic motor, and the hydraulic motor is fixed to the blade holder of the fixed blade.

[0008] Preferably, one end of the support is fixed to the fixed blade, the other end of the support is hinged to the chain conveyor frame, the upper middle part of the support is hinged to the telescopic end of the hydraulic cylinder I, the connecting seat of the hydraulic cylinder I is hinged to the chain conveyor frame, and the shearing mechanism is driven to overturn by the hydraulic cylinder I.

[0009] Preferably, the harvesting sawtooth disc is provided with a ring of sawteeth in the circumferential direction, the harvesting sawtooth disc is driven to rotate towards the feeding direction of the chain conveyor by the hydraulic motor II, and the hydraulic motor II is fixed to the chain conveyor frame.

[0010] Preferably, the upper middle part of the chain conveyor frame is hinged to the support frame on the ship body, the middle part of the chain conveyor frame is hinged to the telescopic end of the hydraulic cylinder II, the connecting seat of the hydraulic cylinder II is hinged to the front end of the ship body, and the chain conveyor is driven to overturn by the hydraulic cylinder II.

[0011] Preferably, the primary grass crushing device is a coarse crushing pulverizer, and the secondary grass crushing device is a fine crushing pulverizer.

[0012] The utility model has the following beneficial effects:

[0013] The utility model discloses a harvesting device, chain conveyor, primary grass crushing device, conveying belt elevator and secondary grass crushing device are integrated and assembled on the ship body, the volume and water content of the crushed grass are reduced, the stacking capacity of the collected grass is improved, the round trip distance and the unloading frequency are reduced, the water grass in the river channel is automatically cleaned, time and labor are saved, and the weeding efficiency is extremely high. ACCURACY OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the utility model;

[0015] Fig. 2 It is a structure schematic view of the position of the harvesting device.

[0016] In the diagram: 1. Hull; 2. Harvesting device; 21. Shearing mechanism; 211. Fixed blade; 212. Movable blade; 2121. Connecting shaft; 22. Harvesting saw disc; 221. Saw teeth; 3. Chain conveyor; 4. Primary shredder; 5. Conveyor belt elevator; 6. Secondary shredder; 7. Hydraulic motor one; 71. Eccentric shaft; 8. Linkage mechanism; 9. Hydraulic motor two; 10. Support frame; 11. Hydraulic cylinder one; 12. Support frame; 13. Hydraulic cylinder two. Detailed Implementation

[0017] 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.

[0018] like Figs. 1-2 As shown, this utility model provides a technical solution: a front-collecting and rear-chopping grass device, including a hull 1. A harvesting device 2 and a chain conveyor 3 are respectively set at the front end of the hull 1. The chain conveyor 3 is connected to the front end of the hull 1 and extends underwater to transport the cut aquatic grass in the direction of movement of the hull 1. The harvesting device 2 is connected to the feeding end of the chain conveyor 3. The hull 1 is also provided with a primary grass chopping device 4, a conveyor belt elevator 5 and a secondary grass chopping device 6. The primary grass chopping device 4 is located at the discharge end of the chain conveyor 3, and the discharge end of the chain conveyor 3 extends obliquely upward to directly above the top inlet of the primary grass chopping device 4. The bottom end of the conveyor belt elevator 5 extends to the bottom discharge end of the primary grass chopping device 4, and the top end of the conveyor belt elevator 5 extends obliquely upward to directly above the top inlet of the secondary grass chopping device 6.

[0019] The harvesting device 2 includes a shearing mechanism 21 and a harvesting saw disc 22. The shearing mechanism 21 is horizontally arranged at the front end of the feeding end of the chain conveyor 3. The shearing mechanism 21 is driven by a hydraulic motor 7 connected to a linkage mechanism 8 to perform shearing motion.

[0020] The harvesting saw disc 22 is vertically arranged on both sides of the feeding end of the chain conveyor 3. The harvesting saw disc 22 is located above and behind the shearing mechanism 21. The harvesting saw disc 22 is driven to rotate by the hydraulic motor 29. A ring of saw teeth 221 is arranged around the circumference of the harvesting saw disc 22. The harvesting saw disc 22 is driven to rotate in the feeding direction of the chain conveyor 3 by the hydraulic motor 29. The hydraulic motor 29 is fixed on the frame of the chain conveyor 3. The harvesting saw disc 22 rotates and cuts the water plants pulled on the side through the saw teeth 221 to avoid entanglement.

[0021] The shearing mechanism 21 comprises a fixed blade 211 and a movable blade 212, the fixed blade 211 is connected to the rack of the chain conveying device 3 through the support 10, the movable blade 212 is arranged in parallel with the fixed blade 211, and the movable blade 212 is slidingly arranged on the blade holder of the fixed blade 211 in the length direction of the fixed blade 211, a sliding groove is arranged on the blade holder of the fixed blade 211, a sliding block is arranged at the position corresponding to the sliding groove of the movable blade 212, the sliding block is slidingly guided and limited in the sliding groove, one end of the connecting rod mechanism 8 is hinged to the connecting shaft 2121 on the movable blade 212, the other end of the connecting rod mechanism 8 is hinged to the eccentric shaft 71 on the disc connected to the conveying end of the hydraulic motor 1, the hydraulic motor 1 is fixed on the blade holder of the fixed blade 211, the hydraulic motor 1 drives the eccentric shaft 71 on the disc to rotate, drives the connecting rod mechanism 8 to reciprocating swing, and drives the movable blade 212 to reciprocate on the fixed blade 211, so that the fixed blade 211 and the movable blade 212 form a shearing structure between each blade to shear the water grass.

[0022] One end of the support 10 is fixed with the fixed blade 211, the other end of the support 10 is hinged to the rack of the chain conveying device 3, the upper middle part of the support 10 is hinged to the telescopic end of the hydraulic cylinder 1, the connecting seat of the hydraulic cylinder 1 is hinged to the rack of the chain conveying device 3, and the shearing mechanism 21 is driven by the hydraulic cylinder 1 to overturn to the lower working position.

[0023] The upper middle part of the rack of the chain conveying device 3 is hinged to the support frame 12 on the ship body 1, the middle part of the rack of the chain conveying device 3 is hinged to the telescopic end of the hydraulic cylinder 2, the connecting seat of the hydraulic cylinder 2 is hinged to the front end of the ship body 1, and the chain conveying device 3 is driven by the hydraulic cylinder 2 to overturn to the working position under the water surface.

[0024] The first grass crushing device 4 is a coarse crushing pulverizer, and the second grass crushing device 6 is a fine crushing pulverizer, the crushed grass can be manually forked to the rear for stacking, and the crushed water grass is convenient for subsequent processing into fertilizer.

[0025] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pre-collector post-shredder grass device comprising a hull (1), characterized in that: The front end of the hull (1) is respectively provided with a harvesting device (2) and a chain conveying device (3), and the chain conveying device (3) is connected at the front end of the hull (1), and the harvesting device (2) is connected at the feeding end of the chain conveying device (3), a first grass crushing device (4), a conveyor belt elevator (5) and a second grass crushing device (6) are also respectively arranged on the hull (1), the first grass crushing device (4) is located at the discharging end of the chain conveying device (3), and the discharging end of the chain conveying device (3) extends obliquely upward to the top feeding port of the first grass crushing device (4) directly above, the bottom end of the conveyor belt elevator (5) extends to the bottom discharging end of the first grass crushing device (4), and the top end of the conveyor belt elevator (5) extends obliquely upward to the top feeding port of the second grass crushing device (6) directly above.

2. A pre-collect post-mow grass device according to claim 1, wherein: The harvesting device (2) comprises a shearing mechanism (21) and a harvesting sawtooth disc (22), the shearing mechanism (21) is horizontally arranged at the front end of the feeding end of the chain conveying device (3), and the shearing mechanism (21) is driven by a hydraulic motor (7) to drive a shearing mechanism (8) to drive a shearing mechanism (8). The harvesting sawtooth disc (22) is vertically arranged on both sides of the feeding end of the chain conveying device (3), the harvesting sawtooth disc (22) is located above the shearing mechanism (21), and the harvesting sawtooth disc (22) is driven to rotate by a hydraulic motor (9).

3. A pre-collect post-shred grass device according to claim 2, wherein: The shearing mechanism (21) comprises a fixed blade (211) and a movable blade (212), the fixed blade (211) is connected to the rack of the chain conveying device (3) through a support (10), the movable blade (212) is arranged in parallel with the fixed blade (211), and the movable blade (212) is slidably arranged on the blade holder of the fixed blade (211) along the length direction of the fixed blade (211), one end of the connecting rod mechanism (8) is hinged to the connecting shaft (2121) on the movable blade (212), the other end of the connecting rod mechanism (8) is hinged to the eccentric shaft (71) on the disc connected to the delivery end of the hydraulic motor (7), and the hydraulic motor (7) is fixed on the blade holder of the fixed blade (211).

4. A pre-collect post-shred grass device according to claim 3, wherein: One end of the support (10) is fixed to the fixed blade (211), the other end of the support (10) is hinged to the rack of the chain conveying device (3), the middle and upper parts of the support (10) are hinged to the telescopic end of the hydraulic cylinder (11), the connecting seat of the hydraulic cylinder (11) is hinged to the rack of the chain conveying device (3), and the shearing mechanism (21) is driven to overturn by the hydraulic cylinder (11).

5. A pre-collect post-shred grass device according to claim 2, wherein: The harvesting sawtooth disc (22) is circumferentially provided with a row of sawteeth (221), the harvesting sawtooth disc (22) is driven to rotate by the hydraulic motor (9) in the feeding direction of the chain conveying device (3), and the hydraulic motor (9) is fixed on the rack of the chain conveying device (3).

6. A pre-collect post-shred grass device according to claim 1, wherein: The upper part of the chain conveyor (3) frame is hinged on the support frame (12) of the ship body (1), the middle part of the chain conveyor (3) frame is hinged with the telescopic end of the hydraulic cylinder two (13), the connecting seat of the hydraulic cylinder two (13) is hinged on the front end of the ship body (1), and the chain conveyor (3) is driven to overturn by the hydraulic cylinder two (13).

7. A pre-collect post-shred grass device according to claim 1, wherein: The primary grass crushing device (4) is a coarse crushing pulverizer, and the secondary grass crushing device (6) is a fine crushing pulverizer.