Underwater mowing device
By using an underwater weed cutting device with a saw rope and transmission mechanism, the problem of traditional weed cutting devices damaging aquatic organisms in aquaculture ponds has been solved, achieving efficient and safe weed cutting.
Patent Information
- Application Number
- CN202422809483.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Traditional aquatic plant cutting devices can easily damage aquatic organisms in aquaculture ponds, causing economic losses.
A sawing rope is used instead of scissors. The reciprocating movement of the sawing rope cuts aquatic plants, and the transmission mechanism enables the grass saw to cut quickly.
It ensures efficient mowing without harming aquatic life, avoids economic losses, and features a simple structure, low cost, and easy maintenance.
Smart Images

Figure CN223515343U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water grass cutting device technical field, concretely is underwater grass cutting device. BACKGROUND
[0002] In fish, shrimp, crab and other aquaculture ponds, water grass overgrowth can squeeze the living space of aquatic products, so it is necessary to clean water grass regularly to maintain reasonable water grass density. The traditional water grass cutting device mostly uses scissors to cut water grass, which is very easy to cut the aquatic products during use, causing huge economic losses, and has defects. UTILITY MODEL CONTENT
[0003] In view of the deficiencies of the prior art, the utility model provides an underwater grass cutting device to solve the problem that the traditional water grass cutting device is easy to cut the aquatic products when mowing in the aquaculture pond.
[0004] To solve the above technical problems, the utility model provides the following technical scheme:
[0005] An underwater grass cutting device, comprising a conveyor inclinedly arranged, a grass cutting saw horizontally arranged and a transmission mechanism arranged between the conveyor and the grass cutting saw, the grass cutting saw comprising a saw bow and a saw rope fixedly installed on the saw bow, the surface of the saw bow movably sleeved with a limiting frame, and the limiting frame being fixedly connected to the lower end of the rack of the conveyor;
[0006] The transmission mechanism comprises a rotating wheel installed at one end of the lower rotating shaft of the conveyor, a fixed clamp fixedly connected to the saw bow and a swing arm rotatably installed on the rack through a fixed shaft, a fixed pin fixedly connected to the fixed clamp, a sliding groove slidably connected to the fixed pin arranged on the swing arm, a connecting shaft parallel to the fixed shaft and the fixed pin fixedly connected to one end of the swing arm away from the saw bow, an eccentric shaft perpendicular to the connecting shaft fixedly connected to the rotating wheel, and the eccentric shaft and the connecting shaft movably connected through a connecting rod.
[0007] Preferably, the conveyor comprises two rotating shafts installed on the rack through shaft seats, a motor installed on the top of one side of the rack and in transmission connection with the rotating shafts, chain wheels installed on the two rotating shafts, a chain installed between the chain wheels on the two rotating shafts and a supporting conveying rib installed on the chain and parallel to the rotating shafts.
[0008] Preferably, the saw rope is a steel wire saw with multiple steel wires woven or a nylon rope saw with multiple nylon ropes woven.
[0009] Preferably, the fixed clamp is fixedly installed at one end of the saw bow.
[0010] Preferably, the swing arm is L-shaped, and the sliding groove corresponding to the fixed pin on the swing arm is a long slot.
[0011] Preferably, the swing arm is located below the fixed clamp.
[0012] Compared with the prior art, the underwater grass cutting device has the following beneficial effects:
[0013] The saw rope is arranged to replace the scissors of the traditional water grass cutting device, the water grass is cut through the rapid reciprocating movement of the saw rope, the water grass cutting efficiency is ensured, the aquatic products are not damaged, the economic loss caused by the damage of the aquatic products is avoided, and the problem that the traditional water grass cutting device is prone to damage the aquatic products when mowing the grass in the aquaculture pond is solved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 It is a top view of the overall structure of the utility model;
[0015] Fig. 2 It is a top view of the local structure of the grass cutting saw corresponding position of the utility model;
[0016] Fig. 3 It is a top view of the transmission mechanism of the utility model.
[0017] In the drawing: 1, conveyor; 11, rack; 12, rotating shaft; 13, motor; 14, chain wheel; 15, chain; 16, supporting conveying rib; 2, transmission mechanism; 21, rotating wheel; 22, fixed clamp; 23, fixed shaft; 24, swing arm; 25, fixed pin; 26, sliding groove; 27, connecting shaft; 28, eccentric shaft; 29, connecting rod; 3, grass cutting saw; 31, saw bow; 32, saw rope; 4, limiting frame. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0019] As shown in the drawing, Figs. 1-3 The utility model provides a kind of technical scheme: a kind of underwater grass cutting device, including the conveyor 1 of inclination setting, grass cutting saw 3 of horizontal setting and the transmission mechanism 2 being arranged between conveyor 1 and grass cutting saw 3, grass cutting saw 3 includes saw bow 31 and the saw rope 32 of fixed installation on saw bow 31, saw rope 32 is multiple steel wire braided steel wire saw or multiple nylon rope braided nylon rope saw, the surface of saw bow 31 is movably sleeved with limiting frame 4, limiting frame 4 is fixedly connected in the lower end of the rack 11 of conveyor 1;
[0020] The transmission mechanism 2 comprises a rotating wheel 21 installed at one end of the lower rotating shaft 12 of the conveyor 1, a fixed clamp 22 fixedly connected to the saw bow 31, and a swing arm 24 rotatably installed on the frame 11 through a fixed shaft 23, the fixed clamp 22 is fixedly installed at one end of the saw bow 31, the swing arm 24 is L-shaped, the swing arm 24 is below the fixed clamp 22, and a sliding groove 26 corresponding to a fixed pin 25 on the swing arm 24 is a long slot, the fixed clamp 22 is fixedly connected with the fixed pin 25, the swing arm 24 is provided with the sliding groove 26 in sliding connection with the fixed pin 25, and one end of the swing arm 24 away from the saw bow 31 is fixedly connected with a connecting shaft 27 parallel to the fixed shaft 23 and the fixed pin 25, the rotating wheel 21 is fixedly connected with an eccentric shaft 28 perpendicular to the connecting shaft 27, and the eccentric shaft 28 is movably connected with the connecting shaft 27 through a connecting rod 29.
[0021] The conveyor 1 comprises two rotating shafts 12 installed on the frame 11 through shaft seats, a motor 13 installed on one side of the top of the frame 11 and in transmission connection with the rotating shafts 12, chain wheels 14 installed on the rotating shafts 12, a chain 15 installed between the chain wheels 14 on the rotating shafts 12, and support conveying ribs 16 installed on the chain 15 and parallel to the rotating shafts 12.
[0022] Working principle:
[0023] The motor 13 of the conveyor 1 drives the rotating shafts 12 to rotate, the rotating shafts 12 drive the support conveying ribs 16 to move through the chain wheels 14 and the chain 15 for conveying the cut water grass, when the lower rotating shaft 12 rotates, the eccentric shaft 28 on the rotating wheel 21 of the transmission mechanism 2 rotates eccentrically, the swing arm 24 is swung left and right around the fixed shaft 23 through the connecting rod 29, and the mowing saw 3 is moved left and right reciprocatingly under the limiting and guiding of the limiting frame 4 through the fixed shaft 23 and the fixed clamp 22 in the swing arm 24, the water grass is cut by the fast reciprocating saw rope 32 instead of the scissors of the traditional water grass cutting device, the mowing efficiency is ensured, the aquatic products are not harmed, and the use is very convenient.
[0024] It should be noted that in this text, terms such as "including", "containing" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.
[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An underwater mowing device comprising a conveyor (1) arranged obliquely, a mowing saw (3) arranged horizontally and a transmission mechanism (2) arranged between the conveyor (1) and the mowing saw (3), characterized in that: The grass saw (3) comprises a saw bow (31) and a saw rope (32) fixedly installed on the saw bow (31), the surface of the saw bow (31) is movably sleeved with a limiting frame (4), and the limiting frame (4) is fixedly connected to the lower end of a rack (11) of a conveyor (1); The transmission mechanism (2) comprises a rotating wheel (21) installed at one end of a lower rotating shaft (12) of the conveyor (1), a fixed clamp (22) fixedly connected to the saw bow (31), and a swing arm (24) rotatably installed on the rack (11) through a fixed shaft (23), the fixed clamp (22) is fixedly connected with a fixed pin (25), the swing arm (24) is provided with a sliding groove (26) in sliding connection with the fixed pin (25), one end of the swing arm (24) away from the saw bow (31) is fixedly connected with a connecting shaft (27) parallel to the fixed shaft (23) and the fixed pin (25), the rotating wheel (21) is fixedly connected with an eccentric shaft (28) perpendicular to the connecting shaft (27), and the eccentric shaft (28) is movably connected with the connecting shaft (27) through a connecting rod (29).
2. An underwater grass cutting device according to claim 1, characterized in that: The conveyor (1) comprises two rotating shafts (12) installed on the rack (11) through shaft seats, a motor (13) installed on one side of the rack (11) and in transmission connection with the rotating shafts (12), chain wheels (14) installed on the rotating shafts (12), a chain (15) installed between the chain wheels (14) on the rotating shafts (12), and support conveying ribs (16) installed on the chain (15) and parallel to the rotating shafts (12).
3. An underwater grass cutting device according to claim 1, characterized in that: The saw rope (32) is a steel wire saw woven by multiple steel wires or a nylon rope saw woven by multiple nylon ropes.
4. An underwater grass cutting device according to claim 1, characterized in that: The fixed clamp (22) is fixedly installed at one end of the saw bow (31).
5. An underwater grass cutting device according to claim 1, characterized in that: The swing arm (24) is in L shape, and the sliding groove (26) corresponding to the fixed pin (25) on the swing arm (24) is a long slot.
6. An underwater grass cutting device according to claim 1, characterized in that: The swing arm (24) is located below the fixed clamp (22).