Cable traction reduction gear for marine vessels

Abstract

The application relates to the technical field of speed reduction transmission devices, in particular to a cable traction speed reduction transmission device for marine ships, which comprises a speed reducer body, a transmission structure, a temperature control structure, a filtering structure, a driving structure and a mounting structure. The mounting structure is arranged to facilitate the quick mounting of the speed reducer body on a mounting base plate, thereby improving the mounting efficiency of the speed reducer body. The temperature control structure is arranged to keep the lubricating oil at an appropriate viscosity at all times, thereby avoiding the lubrication deficiency caused by poor flowability at low temperature or the component wear caused by oil quality deterioration at high temperature, guaranteeing the stable operation of the speed reducer in a complex marine temperature environment. The driving structure is arranged to facilitate the up-and-down movement of a sliding rod, so that the filter screen on a sliding frame makes reciprocating lifting movement in a filter box, the filter screen and impurities in the lubricating oil produce relative displacement, impurities are effectively prevented from blocking the filter screen, and the filtering structure can effectively filter the lubricating oil, thereby reducing the wear of the transmission components caused by impurities.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of speed reduction transmission devices, in particular to a cable traction speed reduction transmission device for marine ships. BACKGROUND

[0002] In the daily operation and maintenance of a ship, when power supply cables, communication cables, control cables and the like on the ship are aged or damaged and need to be maintained and replaced, the cables need to be tractioned, at this time, traction equipment distributed at multiple key positions of the ship will play a role, through the equipment, new cables are tractioned to the designated positions and laying is completed, or old cables are tractioned out from the installation positions for removal, and a speed reduction transmission device plays a key role in the traction process, which can convert high-speed rotary motion of a driving source into low-speed large-torque output required by cable traction, meets the demand of the cable on large tension during traction, and controls the traction speed of the cable through stable transmission ratio, so that the cable is prevented from being pulled off due to too high speed or the maintenance and replacement efficiency is affected due to too low speed, thereby ensuring that the cable traction process is stable, safe and efficient.

[0003] However, due to the complex operation environment of the ship and large temperature change, lubricating oil is prone to solidification at low temperature, so that the flowability is poor and the transmission components cannot be lubricated in time, and at high temperature, the lubricating oil is prone to viscosity reduction, oxidation and metamorphism, so that the lubricating effect is reduced and the wear of the components is aggravated; meanwhile, in the long-term operation process of the lubricating oil, metal chips are generated due to the wear of the transmission components, and gum and other impurities are also generated due to oxidation of the lubricating oil, the impurities enter the meshing gap of the precision transmission components such as the worm and the worm wheel and the planet wheel and the sun gear, so that the wear of the components is aggravated, the meshing precision is reduced, and the transmission efficiency is reduced; when the speed reducer is installed, the speed reducer is installed on the installation base plate in the traction equipment, a plurality of bolts are used for fixation, the space in the traction equipment is usually narrow, and it is difficult for an operator to quickly tighten the plurality of bolts in the narrow space during the installation process, so that the installation process is time-consuming and the installation efficiency is reduced. SUMMARY

[0004] In view of the problems in the prior art, the application provides a cable traction speed reduction transmission device for marine ships.

[0005] The technical scheme adopted by the application to solve the technical problems is that the cable traction speed reduction transmission device for marine ships comprises a speed reducer body, a transmission structure installed on the speed reducer body, a temperature control structure installed on the speed reducer body, a filtering structure installed on the speed reducer body and an installation structure installed on the speed reducer body.

[0006] The filter structure comprises a filter box mounted on the reducer body and a sliding frame slidingly connected to the filter box, the sliding frame is fixedly connected with a filter screen, the filter box is provided with a sealing cover, the sliding frame is fixedly connected with a connecting rod, the connecting rod is fixedly connected with a sliding rod, the sliding rod is slidingly connected with the sealing cover, the filter box is provided with an oil discharge pipe, the other end of the oil discharge pipe is communicated to the reducer body, and the sliding rod is driven by a driving structure.

[0007] Specifically, the filter box is fixedly connected with a mounting frame, two sliding plates are slidingly connected in the mounting frame, the sliding plates are fixedly connected with stop blocks, the sealing cover is fixedly connected with a fixed plate, the stop blocks are slidingly connected with the fixed plate, a first screw rod is rotationally connected in the mounting frame, the sliding plates are threadedly connected with the first screw rod, and the first screw rod is provided with opposite thread directions at two ends.

[0008] Specifically, the driving structure comprises a lifting block slidingly connected to the sliding rod and a lifting plate fixedly connected to the lifting block, the lifting plate is fixedly connected with an adjusting plate, the adjusting plate is slidingly connected with a guide plate, the reducer body is fixedly connected with a guide rod, the guide plate is slidingly connected with the guide rod, the guide plate is rotationally connected with a rotating shaft, the rotating shaft is fixedly connected with a roller, the roller is rollingly connected with a driving ring, the driving ring is fixedly connected with a protrusion matched with the roller.

[0009] Specifically, the guide plate is fixedly connected with a guide sleeve, the adjusting plate is slidingly connected with the guide sleeve, a first spring is fixedly connected between the adjusting plate and the guide sleeve, and a second spring is fixedly connected between the guide plate and the guide rod.

[0010] Specifically, the transmission structure comprises a worm rotationally connected to the reducer body and a worm wheel rotationally connected to the reducer body, the worm is fixedly connected with the driving ring, the worm is engaged with the worm wheel, the worm wheel is fixedly connected with a mounting seat, the mounting seat is fixedly connected with a sun gear, the mounting seat is rotationally connected with a planet wheel through a mounting shaft, the planet wheel is engaged with the sun gear, the mounting seat is provided with an output shaft, the output shaft is rotationally connected with the reducer body, the reducer body is fixedly connected with a gear ring, and the planet wheel is engaged with the gear ring.

[0011] Specific, the temperature control structure includes a first connecting pipe fixedly connected to the reducer body and a circulating pump installed on the reducer body, one end of the first connecting pipe is installed in the inlet of the circulating pump, the outlet of the circulating pump is provided with a second connecting pipe, the reducer body is provided with a radiator, the other end of the second connecting pipe is installed in the inlet of the radiator, the outlet of the radiator is provided with a third connecting pipe, the other end of the third connecting pipe is installed on the filter box and is communicated to the upper side of the filter screen, and the second connecting pipe is provided with a heating ring.

[0012] Specific, the reducer body is provided with a temperature detector, the temperature detector is provided with a detection head, the detection head is installed on the reducer body, and the detection end of the detection head is located in the reducer body, and the reducer body is provided with a controller.

[0013] Specific, the reducer body is provided with a mounting structure, the mounting structure includes four positioning columns fixedly connected to the reducer body and two fixed blocks slidingly connected to the positioning columns, the fixed blocks are rollingly connected with rolling balls, the positioning columns are slidingly connected with driving blocks, the driving blocks are provided with inclined surfaces, and the rolling balls are rollingly matched with the inclined surfaces of the driving blocks.

[0014] Specific, the driving blocks are fixedly connected with connecting blocks, the connecting blocks are fixedly connected with a connecting plate, the connecting plate is slidingly connected with the reducer body, the reducer body is rotatably connected with a second screw rod, and the connecting plate is threadedly connected with the second screw rod.

[0015] Specific, the fixed blocks are fixedly connected with guide blocks, the guide blocks are slidingly connected with the positioning columns, and the guide blocks and the positioning columns are fixedly connected with third springs.

[0016] The beneficial effects of the present application are:

[0017] (1) The cable traction reduction transmission device for marine ships provided by the present application is provided with a mounting structure on the reducer body, the mounting structure facilitates the quick mounting of the reducer body on the mounting base plate, and the mounting efficiency of the reducer body is improved.

[0018] (2) The cable traction reduction transmission device for marine ships provided by the present application is provided with a transmission structure on the reducer body and a temperature control structure on the reducer body, the transmission structure can transmit the power output by the driving source to the traction equipment, providing large torque output for marine cable traction, the temperature control structure can keep the lubricating oil at an appropriate viscosity at all times, avoiding insufficient lubrication caused by poor flowability at low temperature or component wear caused by oil deterioration at high temperature, and ensuring the stable operation of the reducer in the complex temperature environment of the ocean.

[0019] (3) The cable traction deceleration transmission device for marine vessels described in this invention has a filter structure on the reducer body. The slide rod is driven by the drive structure. The drive structure facilitates the up and down movement of the slide rod, so that the filter screen on the slide frame moves back and forth in the filter box. This causes the filter screen to move relative to the impurities in the lubricating oil, effectively preventing impurities from clogging the filter screen. This avoids obstructing the circulation of the lubricating oil due to filter screen clogging. The filter structure can effectively filter the lubricating oil and intercept impurities, preventing these impurities from entering the meshing parts of precision transmission components such as worm gears, worm wheels, and planetary gears inside the reducer body. This reduces the wear of transmission components by impurities, prevents transmission jamming or malfunctions caused by impurities, maintains the cleanliness of the lubricating oil, extends the service life of the lubricating oil, and ensures stable and long-lasting lubrication effect. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a cable traction deceleration transmission device for marine vessels provided by the present invention;

[0022] Figure 2 for Figure 1 The diagram shown is an enlarged view of the structure of part A.

[0023] Figure 3 for Figure 1 The diagram shown is an enlarged view of the structure of section B.

[0024] Figure 4 This is a schematic diagram of the connection structure between the radiator and the reducer body of the present invention;

[0025] Figure 5 for Figure 4 The diagram shows an enlarged view of section C.

[0026] Figure 6 This is a schematic diagram of the connection structure between the gear ring and the reducer body of the present invention;

[0027] Figure 7 for Figure 6 The diagram shown is an enlarged view of the structure of part D.

[0028] Figure 8 This is a schematic diagram of the connection structure between the worm gear and the reducer body of the present invention;

[0029] Figure 9 for Figure 8 The diagram shown is an enlarged view of the structure of part E.

[0030] Figure 10 This is a schematic diagram of the connection structure between the output shaft and the reducer body of the present invention;

[0031] Figure 11 The connecting structure diagram of the fixed block and the positioning column of the application;

[0032] Figure 12 The connecting structure diagram of the fixed block and the positioning column of the application; Figure 11 The F part structure enlarged schematic view shown.

[0033] In the figure: 1, the reducer body; 2, transmission structure; 201, worm; 202, worm gear; 203, mounting seat; 204, sun gear; 205, planetary gear; 206, output shaft; 207, gear ring; 3, temperature control structure; 301, first connecting pipe; 302, circulating pump; 303, second connecting pipe; 304, radiator; 305, third connecting pipe; 306, heating ring; 307, temperature detector; 308, detection head; 309, controller; 4, filter structure; 401, filter box; 402, sliding frame; 403, filter screen; 404, oil drain pipe; 405, first screw; 406, sealing cover; 407, connecting rod; 408, sliding rod; 409, fixed plate; 410, mounting frame; 411, sliding plate; 412, stop block; 5, drive structure; 501, lifting block; 502, lifting plate; 503, adjusting plate; 504, guide plate; 505, guide sleeve; 506, first spring; 507, guide rod; 508, second spring; 509, rotating shaft; 510, roller; 511, drive ring; 512, protruding block; 6, mounting structure; 601, positioning column; 602, fixed block; 603, ball; 604, guide block; 605, third spring; 606, drive block; 607, connecting block; 608, connecting plate; 609, second screw. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application is further described below in combination with specific embodiments.

[0035] As Figure 1 , Figure 3 , Figure 4 , Figure 7 , Figure 9 , Figure 10 and Figure 12The cable traction reduction gear for marine vessels comprises a reduction gear body 1, a transmission structure 2 installed on the reduction gear body 1, a temperature control structure 3 installed on the reduction gear body 1, a filtering structure 4 installed on the reduction gear body 1, and a mounting structure 6 installed on the reduction gear body 1.

[0036] Specifically, as Figure 1 , Figure 3 , Figure 4 , Figure 5 , Figure 7 , Figure 8 and Figure 9As shown, the filter box 401 is fixedly connected with a mounting frame 410, two sliding plates 411 are slidingly connected in the mounting frame 410, the sliding plates 411 are fixedly connected with stoppers 412, the sealing cover 406 is fixedly connected with a fixed plate 409, the stoppers 412 are slidingly connected with the fixed plate 409, a first lead screw 405 is rotatably connected in the mounting frame 410, the sliding plates 411 are threadedly connected with the first lead screw 405, when the filter screen 403 needs to be replaced, an internal hexagonal wrench is inserted into a hexagonal groove at the end of the first lead screw 405, the first lead screw 405 is rotated to make the two sliding plates 411 slide towards each other, the stoppers 412 drive the fixed plate 409 to be separated, at this time, the adjusting plate 503 is pulled to slide with the guide plate 504, the guide sleeve 505 is arranged to ensure that the adjusting plate 503 slides stably, at the same time, the adjusting plate 503 compresses the first spring 506 to drive the lifting plate 502 and the lifting block 501 to move, so that they are separated from above the sealing cover 406, the sealing cover 406 can be quickly disassembled, the sliding frame 402 and the filter screen 403 are taken out through the connecting rod 407 to clean impurities, so that the filtering effect is not affected by too much impurities, the screw directions of the two ends of the first lead screw 405 are opposite, the driving structure 5 comprises the lifting block 501 slidingly connected with the sliding rod 408 and the lifting plate 502 fixedly connected with the lifting block 501, the adjusting plate 503 is fixedly connected with the lifting plate 502, the guide plate 504 is slidingly connected with the adjusting plate 503, the guide rod 507 is fixedly connected with the reducer body 1, the guide plate 504 is slidingly connected with the guide rod 507, the rotating shaft 509 is rotatably connected with the guide plate 504, the roller 510 is fixedly connected with the rotating shaft 509, the driving ring 511 is rollingly connected with the roller 510, the protrusion 512 fixedly connected with the roller 510 is used in cooperation with the roller 510, when the worm 201 rotates to drive the driving ring 511 to rotate, the protrusion 512 on the driving ring 511 rollingly cooperates with the roller 510, so that the roller 510 constantly drives the guide plate 504 to move up and down, the guide plate 504 slides along the guide rod 507, when the guide plate 504 moves, the second spring 508 constantly deforms to push the adjusting plate 503 and the lifting plate 502 to move up and down, the lifting plate 502 drives the lifting block 501 and the sliding rod 408 to move up and down, so that the filter screen 403 on the sliding frame 402 reciprocatingly moves up and down in the filter box 401, the filter screen 403 and impurities in the lubricating oil produce relative displacement, which effectively prevents the impurities from blocking the filter screen 403, thereby avoiding the hindering of the circulation of the lubricating oil due to the blockage of the filter screen 403, the guide sleeve 505 is fixedly connected with the guide plate 504, the adjusting plate 503 is slidingly connected with the guide sleeve 505, the first spring 506 is fixedly connected between the adjusting plate 503 and the guide sleeve 505, the second spring 508 is fixedly connected between the guide plate 504 and the guide rod 507.

[0037] Specifically, asFigure 1 , Figure 5 , Figure 6 and Figure 10 As shown, the transmission structure 2 includes a worm gear 201 rotatably connected to the reducer body 1 and a worm wheel 202 rotatably connected to the reducer body 1. The worm gear 201 is fixedly connected to the drive ring 511, and the worm gear 201 meshes with the worm wheel 202. A mounting base 203 is fixedly connected to the worm wheel 202, and a sun gear 204 is fixedly connected to the mounting base 203. A planet gear 205 is rotatably connected to the mounting base 203 via a mounting shaft, and the planet gear 205 meshes with the sun gear 204. An output shaft 206 is mounted on the mounting base 203. An external power source drives the worm gear 201 to rotate. The meshing of the worm gear 201 and the worm wheel 202 achieves first-stage speed reduction. As the worm wheel 202 rotates, the mounting base 201... 03 drives the sun gear 204 to rotate synchronously, and the sun gear 204 drives multiple planet gears 205 to revolve around it and rotate on their own axis. The meshing of the planet gears 205 with the gear ring 207 achieves two-stage reduction. Finally, the power is transmitted to the traction equipment through the output shaft 206. This two-stage reduction structure can provide a large torque output for marine cable traction, meet the high load requirements during cable laying, and at the same time, the multi-point meshing design of the planet gears 205 disperses the force. When the load fluctuates due to the ship's turbulence, it can buffer the impact load, extend the service life of the transmission components, and ensure the smoothness of the cable traction process. The output shaft 206 is rotatably connected to the reducer body 1, and the gear ring 207 is fixedly connected to the reducer body 1. The planet gears 205 mesh with the gear ring 207.

[0038] Specifically, such as Figure 1 , Figure 2 , Figure 4 , Figure 7 and Figure 8As shown, the temperature control structure 3 includes a first connecting pipe 301 fixedly connected to the reducer body 1 and a circulating pump 302 installed on the reducer body 1, one end of the first connecting pipe 301 is installed at the inlet of the circulating pump 302, the outlet of the circulating pump 302 is installed with a second connecting pipe 303, a radiator 304 is installed on the reducer body 1, the other end of the second connecting pipe 303 is installed at the inlet of the radiator 304, the outlet of the radiator 304 is installed with a third connecting pipe 305, the other end of the third connecting pipe 305 is installed on the filter box 401 and is communicated to the upper side of the filter screen 403, a heating ring 306 is installed on the second connecting pipe 303, a temperature detector 307 is installed on the reducer body 1, a detection head 308 is installed on the temperature detector 307, the detection head 308 is installed on the reducer body 1, the temperature detector 307 continuously monitors the oil temperature in the reducer body 1 through the detection head 308 and transmits data to a controller 309, when the oil temperature is higher than the set threshold value, the controller 309 starts the circulating pump 302, the lubricating oil enters the circulating pump 302 through the first connecting pipe 301, then flows into the radiator 304 through the second connecting pipe 303, the fan on the radiator 304 operates to efficiently dissipate heat, the cooled lubricating oil flows back to the filter box 401 through the third connecting pipe 305 and reenters the lubricating system, if the oil temperature is too low, the heating ring 306 automatically starts to preheat the lubricating oil, this structure can ensure that the lubricating oil always maintains appropriate viscosity in cold sea areas or tropical high-temperature environments, avoids insufficient lubrication caused by poor flowability at low temperature, or component wear caused by oil deterioration at high temperature, and ensures stable operation of the reducer in complex marine temperature environments, and the detection end of the detection head 308 is located in the reducer body 1, the controller 309 is installed on the reducer body 1.

[0039] Specifically, as Figure 4 , Figure 8 , Figure 11 and Figure 12As shown, the reducer body 1 is provided with a mounting structure 6, the mounting structure 6 includes four positioning columns 601 fixedly connected to the reducer body 1 and two fixed blocks 602 slidingly connected in the positioning columns 601, the fixed blocks 602 are rollingly connected with rolling balls 603, the positioning columns 601 are slidingly connected with driving blocks 606, the driving blocks 606 are provided with inclined surfaces, the rolling balls 603 are rollingly matched with the inclined surfaces of the driving blocks 606, the driving blocks 606 are fixedly connected with connecting blocks 607, the connecting blocks 607 are fixedly connected with a connecting plate 608 between the four connecting blocks 607, the connecting plate 608 is slidingly connected with the reducer body 1, the reducer body 1 is rotatingly connected with a second screw rod 609, the second screw rod 609 threadedly drives the connecting plate 608 to drive the four connecting blocks 607 to slide synchronously, the connecting blocks 607 drive the driving blocks 606 to move, the inclined surfaces of the driving blocks 606 are rollingly matched with the rolling balls 603, so as to push the fixed blocks 602 to slide outwardly along the positioning columns 601, when the fixed blocks 602 abut against the mounting holes of the base, the stable installation of the reducer body 1 is realized, when the connecting plate 608 moves downwardly, the mounting holes between the multiple fixed blocks 602 and the to-be-installed base plate are driven to abut tightly, the reducer body 1 can be quickly installed, and the installation efficiency is improved, the connecting plate 608 is threadedly connected with the second screw rod 609, the fixed blocks 602 are fixedly connected with guide blocks 604, the guide blocks 604 are slidingly connected with the positioning columns 601, the fixed blocks 602 slide to drive the guide blocks 604 to move, the guide blocks 604 are arranged to make the fixed blocks 602 move more stably, and the guide blocks 604 are fixedly connected with third springs 605 between the guide blocks 604 and the positioning columns 601.

[0040] In use, first, the reducer body 1 is installed on the base of the traction equipment, when operating, the second screw rod 609 is rotated by means of tools, the second screw rod 609 threadedly drives the connecting plate 608 to drive the four connecting blocks 607 to slide synchronously, the connecting blocks 607 drive the driving blocks 606 to move, the inclined surfaces of the driving blocks 606 are rollingly matched with the rolling balls 603, so as to push the fixed blocks 602 to slide outwardly along the positioning columns 601, the fixed blocks 602 slide to drive the guide blocks 604 to move, the guide blocks 604 are arranged to make the fixed blocks 602 move more stably, meanwhile, the guide blocks 604 make the third springs 605 contract, when the fixed blocks 602 abut against the mounting holes of the base, the stable installation of the reducer body 1 is realized, when the connecting plate 608 moves downwardly, the mounting holes between the multiple fixed blocks 602 and the to-be-installed base plate are driven to abut tightly, the reducer body 1 can be quickly installed, and the installation efficiency is improved;

[0041] When the ship needs to be towed by the cable, the external power source drives the worm 201 to rotate, the meshing of the worm 201 and the worm gear 202 realizes the first-stage reduction, with the rotation of the worm gear 202, the mounting seat 203 drives the sun gear 204 to rotate synchronously, the sun gear 204 drives the plurality of planetary gears 205 to revolve around it and rotate, the meshing of the planetary gears 205 and the ring gear 207 realizes the second-stage reduction, and finally the power is transmitted to the towing device through the output shaft 206. The double-stage reduction structure can provide large torque output for the ocean cable towing, meet the high load demand during the cable laying, at the same time, the multi-point meshing design of the planetary gears 205 disperses the stress, when the ship is tossed to cause the load fluctuation, the impact load can be buffered, the service life of the transmission components is prolonged, and the stability of the cable towing process is ensured;

[0042] During the long-time cable towing operation, the temperature detector 307 continuously monitors the oil temperature in the reducer body 1 through the detection head 308, and transmits the data to the controller 309, when the oil temperature is higher than the set threshold, the controller 309 starts the circulating pump 302, the lubricating oil enters the circulating pump 302 through the first connecting pipe 301, and then flows into the radiator 304 through the second connecting pipe 303. The fan on the radiator 304 operates to efficiently dissipate heat, the cooled lubricating oil flows back to the filter box 401 through the third connecting pipe 305, and enters the reducer body 1 from the oil drain pipe 404 on the filter box 401. The filter screen 403 can effectively filter the lubricating oil and intercept impurities, so as to reduce the wear of the transmission components caused by the impurities, prevent the transmission jam or failure caused by the impurities, and also maintain the cleanliness of the lubricating oil, prolong the service life of the lubricating oil, ensure the stable and long-lasting lubrication effect, if the oil temperature is too low, the heating ring 306 automatically starts to preheat the lubricating oil, so that the lubricating oil always maintains appropriate viscosity in cold sea areas or tropical high-temperature environments, avoids the poor flowability caused by low temperature, or the component wear caused by oil deterioration at high temperature, and ensures the stable operation of the reducer in the complex temperature environment of the ocean;

[0043] When the worm 201 rotates to drive the driving ring 511 to rotate, the protrusions 512 on the driving ring 511 roll with the rollers 510, thereby constantly driving the rollers 510 to drive the guide plates 504 to move up and down, the guide plates 504 slide along the guide rods 507, the guide plates 504 move, the second springs 508 constantly deform, and at the same time, the adjusting plates 503 and the lifting plates 502 are pushed to move up and down, the lifting plates 502 drive the lifting blocks 501 and the sliding rods 408 to move up and down, the filter screens 403 on the sliding frames 402 do reciprocating lifting motion in the filter boxes 401, the filter screens 403 and impurities in the lubricating oil produce relative displacement, impurities are effectively prevented from blocking the filter screens 403, and then, the circulation of the lubricating oil is prevented from being hindered due to the blockage of the filter screens 403, clean lubricating oil is ensured to be continuously provided for each transmission part in the lubricating system, the stable operation of the speed reducer is ensured, and the clean lubricating oil is returned to the speed reducer body 1 through the oil drain pipe 404, the cleanliness of the lubricating system is ensured, when the filter screen 403 needs to be replaced, the inner hexagonal wrench is inserted into the hexagonal groove at the end of the first screw rod 405, the first screw rod 405 is rotated to drive the two sliding plates 411 to slide towards each other, the stop blocks 412 are driven to disengage from the fixed plates 409, at this moment, the adjusting plates 503 are pulled to slide with the guide plates 504, the guide sleeves 505 are arranged to ensure that the adjusting plates 503 slide stably, the adjusting plates 503 compress the first springs 506 to drive the lifting plates 502 and the lifting blocks 501 to move, so that the lifting blocks 501 are separated from above the sealing covers 406, the sealing covers 406 can be quickly disassembled, the sliding frames 402 and the filter screens 403 are taken out through the connecting rods 407, and impurities are cleaned, so that the filtering effect is not affected by too much impurities.

[0044] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments but can be implemented in other embodiments without departing from the scope of the application. Thus, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and it is intended to encompass all changes and modifications of the application falling within the meaning of the claims and equivalents of the meaning and scope of the claims. Any reference signs in the claims should not be construed as limiting the scope of the claims to the features to which the reference signs are used.

[0045] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A cable-pulling reduction gear for a marine vessel, characterized in that The application relates to a speed reducer, which comprises a speed reducer body (1), a transmission structure (2) installed on the speed reducer body (1), a temperature control structure (3) installed on the speed reducer body (1), a filtering structure (4) installed on the speed reducer body (1) and a mounting structure (6) installed on the speed reducer body (1). The filtering structure (4) comprises a filtering box (401) installed on the speed reducer body (1) and a sliding frame (402) slidably connected to the filtering box (401), the sliding frame (402) is fixedly connected with a filter screen (403), the filtering box (401) is provided with a sealing cover (406), the sliding frame (402) is fixedly connected with a connecting rod (407), the connecting rod (407) is fixedly connected with a sliding rod (408), the sliding rod (408) is slidably connected with the sealing cover (406), the filtering box (401) is provided with an oil discharge pipe (404), one end of the oil discharge pipe (404) is communicated with the speed reducer body (1), and the sliding rod (408) is driven by a driving structure (5). The driving structure (5) comprises a lifting block (501) slidably connected to the sliding rod (408) and a lifting plate (502) fixedly connected to the lifting block (501), the lifting plate (502) is fixedly connected with an adjusting plate (503), the adjusting plate (503) is slidably connected with a guide plate (504), the speed reducer body (1) is fixedly connected with a guide rod (507), the guide plate (504) is slidably connected with the guide rod (507), the guide plate (504) is rotatably connected with a rotating shaft (509), the rotating shaft (509) is fixedly connected with a roller (510), the roller (510) is rollingly connected with a driving ring (511), the driving ring (511) is fixedly connected with a protruding block (512) matched with the roller (510). The guide plate (504) is fixedly connected with a guide sleeve (505), the adjusting plate (503) is slidably connected with the guide sleeve (505), the adjusting plate (503) and the guide sleeve (505) are fixedly connected with a first spring (506), and the guide plate (504) and the guide rod (507) are fixedly connected with a second spring (508). The transmission structure (2) comprises a worm (201) rotatably connected to the reducer body (1) and a worm wheel (202) rotatably connected to the reducer body (1), the worm (201) is fixedly connected with a driving ring (511), the worm (201) is engaged with the worm wheel (202), the worm wheel (202) is fixedly connected with a mounting seat (203), the mounting seat (203) is fixedly connected with a sun gear (204), the mounting seat (203) is rotatably connected with a planet wheel (205) through a mounting shaft, the planet wheel (205) is engaged with the sun gear (204), the mounting seat (203) is provided with an output shaft (206), the output shaft (206) is rotatably connected with the reducer body (1), the reducer body (1) is fixedly connected with a gear ring (207), the planet wheel (205) is engaged with the gear ring (207); The temperature control structure (3) comprises a first connecting pipe (301) fixedly connected to the reducer body (1) and a circulating pump (302) mounted on the reducer body (1), one end of the first connecting pipe (301) is mounted on the inlet of the circulating pump (302), the outlet of the circulating pump (302) is provided with a second connecting pipe (303), the reducer body (1) is provided with a radiator (304), the other end of the second connecting pipe (303) is mounted on the inlet of the radiator (304), the outlet of the radiator (304) is provided with a third connecting pipe (305), the other end of the third connecting pipe (305) is mounted on the filter box (401) and is communicated to the upper side of the filter screen (403), the second connecting pipe (303) is provided with a heating ring (306).

2. A cable-towing reduction gear for a marine vessel according to claim 1, characterized in that: The filter box (401) is fixedly connected with a mounting frame (410), two sliding plates (411) are slidably connected in the mounting frame (410), the sliding plates (411) are fixedly connected with stop blocks (412), the sealing cover (406) is fixedly connected with a fixed plate (409), the stop blocks (412) are slidably connected with the fixed plate (409), a first screw rod (405) is rotatably connected in the mounting frame (410), the sliding plates (411) are threadedly connected with the first screw rod (405), the first screw rod (405) is provided with opposite screw threads at two ends.

3. A cable-towing reduction gear for a marine vessel according to claim 1, characterized in that: The reducer body (1) is provided with a temperature detector (307), the temperature detector (307) is provided with a detection head (308), the detection head (308) is mounted on the reducer body (1) and the detection end of the detection head (308) is located in the reducer body (1), the reducer body (1) is provided with a controller (309).

4. A cable-towing reduction gear for a marine vessel according to claim 1, characterized in that: The speed reducer body (1) is provided with a mounting structure (6), the mounting structure (6) includes four positioning columns (601) fixedly connected to the speed reducer body (1) and two fixed blocks (602) slidably connected in the positioning columns (601), the fixed blocks (602) are rollingly connected with balls (603), the positioning columns (601) are slidably connected with driving blocks (606), the driving blocks (606) are provided with inclined surfaces, and the balls (603) are rollingly matched with the inclined surfaces of the driving blocks (606).

5. A cable-towing reduction gear for a marine vessel according to claim 4, characterized in that: The driving blocks (606) are fixedly connected with connecting blocks (607), four connecting blocks (607) are fixedly connected with a connecting plate (608), the connecting plate (608) is slidably connected with the speed reducer body (1), the speed reducer body (1) is rotatably connected with a second screw rod (609), and the connecting plate (608) is threadedly connected with the second screw rod (609).

6. A cable-towing reduction gear for a marine vessel according to claim 5, characterized in that: The fixed blocks (602) are fixedly connected with guide blocks (604), the guide blocks (604) are slidably connected with the positioning columns (601), and the guide blocks (604) and the positioning columns (601) are fixedly connected with third springs (605).

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