A salvage device for unmanned vessels

Abstract

This invention relates to the field of unmanned vessel salvage technology, specifically a salvage device for unmanned vessels. The device includes a salvage hull, with a second conveyor belt for loading and a first conveyor belt for unloading installed on one side of the hull. An adjustment mechanism for adjusting the angle of the second conveyor belt is provided at the adjacent ends of the second and first conveyor belts. Multiple blades are fixedly installed on the outer wall of the receiving roller, and an anti-entanglement mechanism is provided on the outer wall of the receiving roller. This invention achieves this by causing a gear to rotate around the receiving roller as its axis when the receiving roller rotates. The gear engages with a fixed gear ring, driving a bidirectional lead screw to rotate continuously. The rotation of the bidirectional lead screw causes a slider to drive the blades to reciprocate along a groove, ultimately cutting away weeds and debris entangled on the outer wall of the receiving roller. This prevents weeds and debris from affecting the normal operation of the receiving roller, allowing the device to operate stably for extended periods and reducing maintenance frequency.

Description

Technical Field

[0001] This invention relates to the field of unmanned vessel salvage technology, specifically a salvage device for unmanned vessels. Background Technology

[0002] Floating plants grow on the water surface, grow rapidly, and reproduce quickly. Their large-scale growth in rivers and lakes can cause blockages and siltation, leading to serious water pollution, disrupting the balance of aquatic ecosystems, impacting the landscape, and adversely affecting water transport and agricultural irrigation. Therefore, it is necessary to regularly use salvage boats to clean the water surface. With the development of unmanned technology, unmanned salvage boats have been developed for water surface cleaning and salvage.

[0003] Existing salvage vessels often have salvage mechanisms that extend outside the hull during operation, resulting in excessively long hulls that cannot pass through certain narrow waterways, increasing the difficulty of salvage work. Furthermore, existing salvage vessels often require the use of manpower and salvage nets to collect floating plants, making the salvage operation intensive.

[0004] To address the aforementioned issues, Chinese Patent Publication No. CN108035327B discloses a salvage device for a salvage vessel, comprising a hull, frame, salvage mechanism, transmission mechanism, and motor unit. The device is characterized by a collection pool inside the hull, with a cavity at the front and an operating platform at the rear. A mounting plate perpendicular to the rear wall of the collection pool is installed within the pool. The cavity is an integrally formed "C"-shaped panel connected to the hull. The two walls of the "C"-shaped panel form an aggregation unit. A concave notch is provided at the front end of the hull. The salvage mechanism is installed within the hull, allowing the vessel to pass only through narrow waterways. During operation, the aggregation unit creates a water level difference between the water in front of the vessel and the water in the aggregation unit, allowing floating plants to flow into the aggregation unit without the need for other equipment.

[0005] However, the existing technology has the following problems:

[0006] (1) Firstly, the salvage components located at the front of the salvage vessel are prone to getting tangled in the receiving rollers when salvaging. This obstructs the rotation of the receiving rollers and requires manual maintenance and repair, which is time-consuming and needs to be improved.

[0007] (2) On the other hand, when collecting debris, the size of the debris is still relatively large. At this time, the large amount of salvaged material occupies space, which makes it impossible for the salvage ship to store a large amount of salvaged material in a single salvage process, resulting in weak storage capacity. Summary of the Invention

[0008] The purpose of this invention is to provide a salvage device for unmanned vessels to solve the problems mentioned in the background art.

[0009] The technical solution of the present invention is: a salvage device for unmanned vessels, comprising a salvage hull, a second conveyor belt for loading and a first conveyor belt for unloading installed on one side of the salvage hull, a crushing box for secondary crushing of aquatic plants installed on the inner wall of the salvage hull, two folding plates fixedly installed on one outer wall of the crushing box, a partition fixedly installed on the top of the crushing box, an adjustment mechanism for adjusting the angle of the second conveyor belt and the first conveyor belt being provided at their adjacent ends, side plates being rotatably connected to the adjacent sides of the two folding plates, two loading rollers being rotatably connected to the adjacent sides of the two side plates, the second conveyor belt being sleeved on the outer wall of the two loading rollers, a first motor being fixedly installed on one outer wall of one of the side plates, the top end of the output shaft of the first motor being fixedly connected to one of the loading rollers, a same receiving roller being rotatably connected to the adjacent sides of the two side plates, multiple first blades being fixedly installed on the outer wall of the receiving roller, and an anti-winding mechanism being provided on the outer wall of the receiving roller.

[0010] Preferably, two base blocks are installed on the top of the crushing box, and the same feeding roller 1 is rotatably connected to the adjacent side of the two base blocks. The same feeding roller 2 is fixedly installed on the adjacent side of the two folding plates. The conveyor belt is fitted onto the outer wall of the feeding roller 1 and the feeding roller 2. A motor 2 is fixedly installed on one side of the outer wall of the crushing box. A drive gear is fixedly installed at the top of the output shaft of the motor 2. A gear 4 is fixedly installed at one end of the feeding roller 1. The outer wall of the gear 4 and the drive gear are meshed with the same chain.

[0011] Preferably, the anti-winding mechanism includes a second blade, a slider is installed at the bottom of the second blade, a groove is opened on one side of the outer circumference of the receiving roller, the slider is slidably inserted into the inner wall of the groove, and a driving structure is provided on the inner wall of the groove.

[0012] Preferably, the drive structure includes a bidirectional lead screw that passes through the slider and is threadedly connected to the slider. A gear is fixedly installed at one end of the bidirectional lead screw. A gear ring is fixedly installed on the inner wall of one of the side plates. The gear meshes with the inner wall of the gear ring. A pulley is fixedly installed at one end of the feed roller near the take-up roller. A pulley is fixedly installed at one end of the take-up roller. The outer walls of the pulleys are fitted with the same belt.

[0013] Preferably, the adjustment mechanism includes two fixed plates fixedly installed on the top of the folding plate. A short shaft is fixedly installed on one side of the outer wall of each of the two fixed plates. A crossbar is sleeved on the outer wall of each of the two short shafts. A bracket is rotatably connected to one end of the crossbar. The bottom of one side of the outer wall of the bracket is rotatably connected to one side of the outer wall of the side plate. A control structure is provided at one end of the crossbar.

[0014] Preferably, the control structure includes a hydraulic rod, which is fixedly installed on one side of the outer wall of the folding plate. A sliding member is fixedly installed at the top end of the extension rod of the hydraulic rod. The sliding member includes a base shaft. A sliding hole is opened on the outer wall of the crossbar. The base shaft of the sliding member is slidably connected to the inner wall of the sliding hole.

[0015] Preferably, the inner wall of the crushing box is rotatably connected to a rotating shaft, and two spiral feeding plates with opposite spiral directions are fixedly installed on the outer wall of the rotating shaft. A gear three is fixedly installed at one end of the rotating shaft, and the gear three meshes with a chain. An extrusion cylinder is fixedly installed on one side of the outer wall of the crushing box.

[0016] Preferably, multiple sliding rods are fixedly installed on the inner wall of the crushing box, and the same blade is sleeved on the outer wall of the multiple sliding rods. Multiple cutting blades are provided on the top outer wall of the blade. A double-acting screw is threaded through and connected to the outer wall of the blade. A gear is fixedly installed at one end of the double-acting screw, and the gear meshes with a chain.

[0017] Preferably, an equipment box for loading remote control equipment is fixedly installed on the top outer wall of the salvage vessel.

[0018] This invention provides an improved salvage device for unmanned vessels, which has the following improvements and advantages compared with the prior art:

[0019] Firstly, this invention starts a motor to drive the feeding roller to rotate, which in turn drives the receiving roller to rotate via a belt, pulley one, and pulley two. At this time, the receiving roller drives the blade one to rotate, achieving the initial cutting of impurities such as water plants. Then, it is carried upward by conveyor belt two and finally enters the crushing box for collection via conveyor belt one. When the receiving roller rotates, gear one is rotated around the receiving roller as the axis. Through the meshing of gear one with a fixed gear ring, the bidirectional screw one rotates continuously. The rotation of the bidirectional screw one causes the slider to drive the blade two to move back and forth along the slide groove, ultimately cutting the water plants and debris wrapped around the outer wall of the receiving roller. This avoids the water plants and debris from affecting the normal use of the receiving roller, allowing the device to operate stably for a long time and reducing the frequency of maintenance.

[0020] Secondly, when the second motor of this invention is turned on, the gear four is driven to rotate through the transmission of the drive teeth and chain, which in turn drives the first feeding roller to rotate. At this time, the first conveyor belt is driven, which facilitates the smooth entry of impurities such as water plants into the crushing box. When the chain is driven, it drives the second gear to rotate, which in turn drives the second bidirectional screw to rotate. Under the rotation of the second bidirectional screw, the reciprocating motion of the blade is achieved. At this time, the cutter set on the top of the blade achieves secondary cutting of water plants and debris, which further reduces the size of the salvaged items. The smaller size of the salvaged items is easier to store and transport, improving the convenience of subsequent processing.

[0021] Thirdly, this invention pushes the extension rod upward by controlling the hydraulic rod. At this time, the base shaft installed on the slide can slide along the inner wall of the sliding hole, and finally achieve the effect of lifting one side of the crossbar. At this time, the side plate is pushed downward, realizing the effect of the conveyor belt flipping downward at two angles. With the same operating principle, by controlling the hydraulic rod to retract the extension rod, the effect of driving the conveyor belt downward at two angles can be achieved. This design can realize the adjustment of the receiving roller and the second conveyor belt to meet the usage needs in different environments. Attached Figure Description

[0022] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0023] Figure 1 This is a perspective view of the present invention;

[0024] Figure 2 yes Figure 1 A magnified view of part A in the middle;

[0025] Figure 3 This is a perspective view of the salvaged hull after the present invention has been dismantled;

[0026] Figure 4 This is a perspective view of the receiving roller portion in this invention;

[0027] Figure 5 This is a perspective view of the anti-winding mechanism in this invention;

[0028] Figure 6 This is a perspective view of the feeding roller in this invention;

[0029] Figure 7 This is a perspective view of the crushing chamber in this invention;

[0030] Figure 8 This is a perspective view of the crushing chamber in this invention.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1. Salvage hull; 2. Conveyor belt one; 21. Folding plate; 22. Feeding roller one; 23. Gear four; 24. Feeding roller two; 3. Conveyor belt two; 31. Side plate; 32. Motor one; 33. Feeding roller; 34. Gear ring; 4. Receiving roller; 41. Blade one; 42. Slide groove; 43. Gear one; 44. Slider; 45. Blade two; 46. Double-acting screw one; 5. Partition plate; 6. Support one; 61. Crossbar; 62. Fixing plate; 63. Sliding hole; 64. Sliding component; 65. Hydraulic rod; 7. Equipment box; 8. Crushing box; 81. Sliding rod; 82. Double-acting screw two; 83. Blade plate; 84. Gear two; 85. Drive gear; 86. Gear three; 87. Motor two; 88. Chain; 89. Spiral feeding plate; 9. Extrusion cylinder. Detailed Implementation

[0033] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] This invention provides an improved salvage device for unmanned vessels. The technical solution of this invention is as follows:

[0035] like Figures 1-8 As shown, a salvage device for unmanned vessels includes a salvage hull 1. A second conveyor belt 3 for loading and a first conveyor belt 2 for unloading are installed on one side of the hull 1. A crushing box 8 for secondary crushing of aquatic plants is installed on the inner wall of the hull 1. Two folding plates 21 are fixedly installed on one outer wall of the crushing box 8. A partition plate 5 is fixedly installed on the top of the crushing box 8. An adjustment mechanism for adjusting the angle of the second conveyor belt 3 is provided at the adjacent ends of the second conveyor belt 3 and the first conveyor belt 2. Side plates 31 are rotatably connected to the adjacent sides of the two folding plates 21. Two loading rollers 33 are rotatably connected to the adjacent sides of the two side plates 31. The second conveyor belt 3 is sleeved on the two loading rollers 31. On the outer wall of the feeding roller 33, a motor 32 is fixedly installed on one side of the outer wall of one of the side plates 31. The top of the output shaft of the motor 32 is fixedly connected to one of the feeding rollers 33. The same receiving roller 4 is rotatably connected to the adjacent side of the two side plates 31. Multiple blades 41 are fixedly installed on the outer wall of the receiving roller 4. An anti-winding mechanism is provided on the outer wall of the receiving roller 4. The receiving roller 4 and the conveyor belt 3 are adjusted by the adjustment mechanism to meet the usage requirements in different environments. The anti-winding mechanism cuts off the debris wrapped around the outer wall of the receiving roller 4, preventing water plants and debris from affecting the normal use of the receiving roller 4, so that the device can operate stably for a long time.

[0036] Furthermore, two base blocks are installed on the top of the crushing box 8. The same feed roller 22 is rotatably connected to the adjacent side of the two base blocks. The same feed roller 24 is fixedly installed on the adjacent side of the two folding plates 21. The conveyor belt 2 is sleeved on the outer wall of the feed roller 22 and the feed roller 24. The motor 87 is fixedly installed on one side of the outer wall of the crushing box 8. The output shaft of the motor 87 is fixedly installed with a drive gear 85. The feed roller 22 is fixedly installed with a gear 23. The outer wall of the gear 23 and the drive gear 85 are meshed with the same chain 88. When the motor 87 is turned on, the drive gear 23 is driven to rotate through the transmission of the drive gear 85 and the chain 88, which in turn drives the feed roller 22 to rotate. At this time, the conveyor belt 2 is driven, which facilitates the smooth entry of impurities such as water plants into the crushing box 8.

[0037] Furthermore, the anti-winding mechanism includes a second blade 45, with a slider 44 mounted on the bottom of the second blade 45. A groove 42 is formed on one side of the outer circumference of the take-up roller 4. The slider 44 is slidably inserted into the inner wall of the groove 42. A driving structure is provided on the inner wall of the groove 42. The driving structure includes a bidirectional lead screw 46 that passes through the slider 44 and is threadedly connected to the slider 44. A gear 43 is fixedly mounted on one end of the bidirectional lead screw 46. A gear ring 34 is fixedly mounted on the inner wall of one side plate 31. The gear 43 meshes with the inner wall of the gear ring 34. A pulley is fixedly mounted on one end of the feed roller 33 near the take-up roller 4. A pulley is fixedly mounted on one end of the take-up roller 4. The outer walls of pulleys 1 and 2 are fitted with the same leather belt. The motor 32 drives the feeding roller 33 to rotate, which in turn drives the receiving roller 4 to rotate through the belt, pulley 1, and pulley 2. At this time, the receiving roller 4 drives the blade 41 to rotate, achieving the initial cutting of water plants and other impurities. Then, it is carried upward by the conveyor belt 2 3, and finally enters the crushing box 8 for collection through the conveyor belt 1 2. When the receiving roller 4 rotates, the gear 43 rotates around the receiving roller 4 as the axis. The gear 43 meshes with the fixed gear ring 34 to drive the bidirectional screw 46 to rotate continuously. The rotation of the bidirectional screw 46 causes the slider 44 to drive the blade 45 to move back and forth along the slide groove 42, finally achieving the cutting of water plants and other debris wrapped on the outer wall of the receiving roller 4.

[0038] Furthermore, the adjustment mechanism includes two fixed plates 62 fixedly installed on the top of the folding plate 21. Short shafts are fixedly installed on one side of the outer wall of each of the two fixed plates 62. A crossbar 61 is sleeved on the outer wall of each of the two short shafts. A bracket 6 is rotatably connected to one end of the crossbar 61. The bottom of one side of the outer wall of the bracket 6 is rotatably connected to one side of the outer wall of the side plate 31. A control structure is provided at one end of the crossbar 61.

[0039] Furthermore, the control structure includes a hydraulic rod 65, which is fixedly installed on one side of the outer wall of the folding plate 21. A slide member 64 is fixedly installed at the top of the extension rod of the hydraulic rod 65. The slide member 64 includes a base shaft. A sliding hole 63 is opened on the outer wall of the crossbar 61. The base shaft of the slide member 64 is slidably connected to the inner wall of the sliding hole 63. The hydraulic rod 65 is controlled to push the extension rod upward. At this time, the base shaft installed on the slide member 64 can slide along the inner wall of the sliding hole 63, and finally achieve the effect of lifting one side of the crossbar 61. At this time, the side plate 31 is pushed downward, realizing the effect of the conveyor belt flipping downward at an angle of 3.

[0040] Furthermore, a rotating shaft is rotatably connected to the inner wall of the crushing box 8, and two spiral feeding plates 89 with opposite spiral directions are fixedly installed on the outer wall of the rotating shaft. A gear 86 is fixedly installed at one end of the rotating shaft, and the gear 86 meshes with the chain 88. An extrusion cylinder 9 is fixedly installed on one side of the outer wall of the crushing box 8. The inner wall of the extrusion cylinder 9 can also be equipped with a spiral plate of the same type for conveying the salvaged material, so as to realize the effect of conveying the salvaged material in the crushing box 8 to the rear, and the rear space of the hull of the salvage vessel 1 is fully utilized.

[0041] Furthermore, multiple sliding rods 81 are fixedly installed on the inner wall of the crushing box 8. The outer wall of the multiple sliding rods 81 is sleeved with the same blade 83. Multiple cutting blades are provided on the top outer wall of the blade 83. A double-acting screw 82 is threaded through and connected to the outer wall of the blade 83. A gear 84 is fixedly installed at one end of the double-acting screw 82. The gear 84 meshes with the chain 88. When the motor 87 is turned on, the gear 23 is driven to rotate through the drive gear 85 and the chain 88, thereby driving the feed roller 2. 2. When the conveyor belt 2 rotates, it drives the conveyor belt 2 to facilitate the smooth entry of aquatic plants and other impurities into the crushing box 8. When the chain 88 drives the gear 84 to rotate, it in turn drives the double-sided screw 82 to rotate. Under the rotation of the double-sided screw 82, the blade 83 is driven to reciprocate. At this time, the cutter set on the top of the blade 83 performs secondary cutting of aquatic plants and debris, which further reduces the size of the salvaged items. The smaller size of the salvaged items is easier to store and transport, improving the convenience of subsequent processing.

[0042] Furthermore, an equipment box 7 for loading remote control equipment is fixedly installed on the top outer wall of the salvage vessel 1, and the salvage vessel 1 can be remotely controlled through the equipment box 7.

[0043] The conveyor belt 1 2, conveyor belt 2 3 and partition 5 set in the scheme are all mesh structures, which can realize automatic drainage of water plants and other debris when they are salvaged. At the same time, a water pump can be installed inside the salvage hull 1 to pump out the water that enters the cabin, so that the salvage hull 1 can store a large amount of salvaged items each time.

[0044] During use, the salvage vessel 1 can be remotely controlled via the equipment box 7. The motor 32 is started to drive the feeding roller 33 to rotate, which in turn drives the receiving roller 4 to rotate through the belt, pulley 1, and pulley 2. At this time, the receiving roller 4 drives the blade 41 to rotate, achieving the initial cutting of water plants and other impurities. Then, it is carried upward by the conveyor belt 3 and finally enters the crushing box 8 for collection through the conveyor belt 2. When the receiving roller 4 rotates, the gear 43 is rotated around the receiving roller 4 as the axis. The gear 43 meshes with the fixed gear ring 34 to drive the bidirectional screw 46 to rotate continuously. The rotation of the bidirectional screw 46 causes the slider 44 to drive the blade 45 to move back and forth along the slide groove 42, ultimately cutting the water plants and debris wrapped around the outer wall of the receiving roller 4. This prevents the water plants and debris from getting tangled and affecting the normal use of the receiving roller 4, allowing the device to operate stably for a long time and reducing the frequency of maintenance.

[0045] When the device is running, motor 287 is kept on. Through the transmission of drive gear 85 and chain 88, gear 423 is driven to rotate, which in turn drives the feed roller 22 to rotate. At this time, conveyor belt 2 is driven, which facilitates the smooth entry of water plants and other impurities into crushing box 8. When chain 88 is driven, it drives gear 284 to rotate, which in turn drives the double-sided screw 282 to rotate. Under the rotation of double-sided screw 282, the reciprocating motion of blade 83 is achieved. At this time, the cutter set on the top of blade 83 achieves secondary cutting of water plants and debris, which further reduces the size of the salvaged material. The smaller size of the salvaged material is easier to store and transport, which improves the convenience of subsequent processing. At the same time, chain 88 can also drive gear 386 to rotate, which in turn drives the spiral feed plate 89 to rotate, so that the crushed salvaged material gathers towards the center of crushing box 8. The inner wall of extrusion cylinder 9 can also be equipped with a spiral plate of the same type for conveying salvaged material, which realizes the effect of conveying salvaged material in crushing box 8 to the rear, and the rear space of the salvage hull 1 is fully utilized.

[0046] The angle of conveyor belt 3 can also be adjusted by the adjustment mechanism. By controlling the hydraulic rod 65 to push the extension rod upward, the base shaft installed on the slide 64 can slide along the inner wall of the slide hole 63, and finally achieve the effect of lifting one side of the crossbar 61. At this time, the side plate 31 is pushed downward, realizing the effect of the conveyor belt 3 flipping downward. By controlling the hydraulic rod 65 to retract the extension rod, the conveyor belt 3 can be driven to the downward. This design can realize the adjustment of the take-up roller 4 and the conveyor belt 3, meeting the usage requirements in different environments.

[0047] The foregoing description enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A salvage device for unmanned vessels, characterized in that: The vessel includes a salvage hull (1), on one side of which is installed a second conveyor belt (3) for loading and a first conveyor belt (2) for unloading. The inner wall of the salvage hull (1) is fitted with a crushing box (8) for secondary crushing of aquatic plants. Two folding plates (21) are fixedly installed on one outer wall of the crushing box (8). A partition plate (5) is fixedly installed on the top of the crushing box (8). An adjustment mechanism for adjusting the angle of the second conveyor belt (3) is provided at the adjacent ends of the second conveyor belt (3) and the first conveyor belt (2). Side plates (3) are rotatably connected to the adjacent sides of the two folding plates (21). 1) Two feeding rollers (33) are rotatably connected to the adjacent side of the two side plates (31). The second conveyor belt (3) is sleeved on the outer wall of the two feeding rollers (33). A motor (32) is fixedly installed on one side of the outer wall of one of the side plates (31). The top of the output shaft of the first motor (32) is fixedly connected to one of the feeding rollers (33). The same receiving roller (4) is rotatably connected to the adjacent side of the two side plates (31). Multiple blades (41) are fixedly installed on the outer wall of the receiving roller (4). An anti-winding mechanism is provided on the outer wall of the receiving roller (4).

2. The salvage device for unmanned vessels according to claim 1, characterized in that: Two base blocks are installed on the top of the crushing box (8). The same feeding roller (22) is rotatably connected to the side of the two base blocks that are close to each other. The same feeding roller (24) is fixedly installed on the side of the two folding plates (21) that are close to each other. The conveyor belt (2) is sleeved on the outer wall of the feeding roller (22) and the feeding roller (24). The motor (87) is fixedly installed on one side of the outer wall of the crushing box (8). The output shaft of the motor (87) is fixedly installed with a drive gear (85). The end of the feeding roller (22) is fixedly installed with a gear (23). The outer wall of the gear (23) and the drive gear (85) are meshed with the same chain (88).

3. The salvage device for unmanned vessels according to claim 1, characterized in that: The anti-winding mechanism includes a second blade (45), a slider (44) is installed at the bottom of the second blade (45), a groove (42) is opened on one side of the outer circumference of the receiving roller (4), the slider (44) is slidably inserted into the inner wall of the groove (42), and a driving structure is provided on the inner wall of the groove (42).

4. A salvage device for unmanned vessels according to claim 3, characterized in that: The drive structure includes a bidirectional lead screw (46) that passes through the slider (44) and is threadedly connected to the slider (44). A gear (43) is fixedly installed at one end of the bidirectional lead screw (46). A gear ring (34) is fixedly installed on the inner wall of one of the side plates (31). The gear (43) meshes with the inner wall of the gear ring (34). A pulley is fixedly installed at one end of the feed roller (33) near the receiving roller (4). A pulley is fixedly installed at one end of the receiving roller (4). The outer walls of the pulleys are fitted with the same belt.

5. A salvage device for unmanned vessels according to claim 1, characterized in that: The adjustment mechanism includes two fixed plates (62) fixedly installed on the top of the folding plate (21). A short shaft is fixedly installed on one side of the outer wall of each of the two fixed plates (62). A crossbar (61) is sleeved on the outer wall of each of the two short shafts. A bracket (6) is rotatably connected to one end of the crossbar (61). The bottom of one side of the outer wall of the bracket (6) is rotatably connected to one side of the outer wall of the side plate (31). A control structure is provided at one end of the crossbar (61).

6. A salvage device for unmanned vessels according to claim 5, characterized in that: The control structure includes a hydraulic rod (65), which is fixedly installed on one side of the outer wall of the folding plate (21). A slide (64) is fixedly installed at the top of the extension rod of the hydraulic rod (65). The slide (64) includes a base shaft. A sliding hole (63) is opened on the outer wall of the crossbar (61). The base shaft of the slide (64) is slidably connected to the inner wall of the sliding hole (63).

7. A salvage device for unmanned vessels according to claim 1, characterized in that: The inner wall of the crushing box (8) is rotatably connected to a rotating shaft. Two spiral feeding plates (89) with opposite spiral directions are fixedly installed on the outer wall of the rotating shaft. A gear three (86) is fixedly installed at one end of the rotating shaft. The gear three (86) meshes with a chain (88). An extrusion cylinder (9) is fixedly installed on one side of the outer wall of the crushing box (8).

8. A salvage device for unmanned vessels according to claim 7, characterized in that: The inner wall of the crushing box (8) is fixedly installed with multiple sliding rods (81). The outer wall of the multiple sliding rods (81) is sleeved with the same blade plate (83). The top outer wall of the blade plate (83) is provided with multiple cutting blades. The outer wall of the blade plate (83) is connected to a double-acting screw (82) through and threaded. One end of the double-acting screw (82) is fixedly installed with a gear (84). The gear (84) meshes with the chain (88).

9. A salvage device for unmanned vessels according to claim 1, characterized in that: The top outer wall of the salvage vessel (1) is fixedly equipped with an equipment box (7) for loading remote control equipment.

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