Oil absorbing and filtering device for marine gearbox

Abstract

The utility model discloses an oil suction filtering device for a marine gearbox, and particularly relates to the technical field of oil suction filtering devices, the oil suction filtering device comprises a box body, a first filtering cavity and a second filtering cavity are arranged in the middle of the box body, and a liquid inlet pipe and a liquid outlet pipe are fixedly connected to the top and the bottom of the box body respectively. A first communicating pipe and a second communicating pipe are arranged at the positions, corresponding to the liquid inlet pipe and the liquid outlet pipe, of the middle of the box body. According to the utility model, firstly, the coarse filter screen and the fine filter screen are matched, so that multi-stage filtration of lubricating oil is realized, impurities with different particle sizes can be effectively removed, the cleanliness of the lubricating oil is remarkably improved, high-quality lubrication guarantee is provided for a marine gearbox, and the service life of the gearbox is prolonged; the filtering cavities connected with the liquid inlet pipe and the liquid outlet pipe can be switched by rotating the rotating disc, the filtering frame can be cleaned or replaced without shutdown, the whole filtering device does not need to be disassembled, the maintenance process is greatly simplified, the maintenance time is shortened, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil absorption filter device technical field, more specifically, the utility model relates to a kind of oil absorption filter device for marine gear box. BACKGROUND

[0002] During the navigation of ship, marine gear box as the core component of power transmission, its working performance directly affects the navigation efficiency and safety of ship, the lubricating oil in gear box inevitably mixes metal chips, dust particles, colloid and other impurities in long-term use, these impurities can aggravate the wear of gear, bearing and other transmission components, cause equipment operation noise to increase, transmission efficiency to reduce, and even cause gear box failure, cause ship power interruption, bring huge security risk and economic loss;

[0003] The existing oil absorption filter device for marine gear box adopts single filter structure, which is difficult to meet the filtering requirements of different particle size impurities at the same time, and the filtering effect is poor. When cleaning and maintaining, the whole filter system needs to be disassembled after stopping, which is complicated to operate, consumes a lot of time and manpower, increases the cost of ship downtime, and affects the use effect, therefore, an oil absorption filter device for marine gear box is proposed. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an oil absorption filter device for marine gear box to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil absorption filter device for marine gear box, comprising a box body, a first filter cavity and a second filter cavity are arranged in the middle part of the box body, a liquid inlet pipe and a liquid outlet pipe are fixedly connected to the top and bottom of the box body respectively, the liquid inlet pipe and the liquid outlet pipe are convenient for liquid inlet and outlet, first communication pipe and second communication pipe are arranged at the positions corresponding to the liquid inlet pipe and the liquid outlet pipe in the middle part of the box body, the liquid entering through the liquid inlet pipe is guided into the inside of the first filter cavity or the second filter cavity through the first communication pipe, and is returned to the inside of the liquid outlet pipe through the second communication pipe, a limiting cavity is formed in one side of the second filter cavity.

[0006] The middle part of the first filter cavity and the second filter cavity is provided with a filter frame, the middle part of the filter frame is provided with a coarse filter screen and a fine filter screen, the coarse filter screen can intercept larger particle impurities, preliminarily filter the lubricating oil, and reduce the filtering burden of the fine filter screen, the fine filter screen finely filters the lubricating oil, removes small particle impurities, and further improves the cleanliness of the lubricating oil.

[0007] The middle part of the limiting cavity is provided with a moving plate, the two ends of the moving plate are fixedly connected with blocking columns, a groove is formed in the middle part of one side of the blocking column, a threaded rod is inserted in one side of the box body, one end of the threaded rod is rotationally connected with the moving plate, and the other end of the threaded rod is fixedly connected with a rotating disc.

[0008] The first connecting pipe is connected with the first filter cavity, the second filter cavity, the liquid inlet pipe and the liquid outlet pipe, and the second connecting pipe is connected with the first filter cavity, the second filter cavity, the liquid inlet pipe and the liquid outlet pipe, so that the communication cavities can be switched conveniently.

[0009] The blocking column corresponds to the first connecting pipe, the groove corresponds to the liquid inlet pipe and the liquid outlet pipe, and the blocking column is provided with a sealing gasket around, so that when the blocking column blocks the first connecting pipe on one side of the first filter cavity, the liquid inlet pipe can be connected with the inner cavity of the second filter cavity through the groove.

[0010] The threaded rod is threadedly connected with the wall of the box body, the filter frame is fixedly connected with a sealing plate on one side, and the sealing plate is arranged on the side of the box body, so that the opening position of the filter frame can be blocked.

[0011] The filter frame is fixedly connected with stable clamping strips on both sides, the second filter cavity and the first filter cavity are provided with stable clamping grooves on both sides of the middle part and corresponding to the stable clamping strips, and the stable clamping strips are arranged in the stable clamping grooves, so that the stability of the movement of the filter frame is improved.

[0012] The coarse filter screen is arranged on the top of the fine filter screen, and the coarse filter screen and the fine filter screen are both fixedly inclined on the middle part of the filter frame.

[0013] The cross section of the moving plate is arranged in a "U" shape, the two blocking columns correspond to the liquid inlet pipe and the liquid outlet pipe, the coarse filter screen can intercept larger impurities, the lubricating oil is preliminarily filtered, and the filtering burden of the fine filter screen is reduced; the fine filter screen finely filters the lubricating oil, removes small impurities, and further improves the cleanliness of the lubricating oil.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1. The utility model discloses a first through the cooperation of the coarse filter screen and the fine filter screen that set up realizes multistage filtration to lubricating oil, can effectively remove the impurity of different particle size, significantly improve the cleanliness of lubricating oil, provide high -quality lubrication guarantee for marine gear box, prolong the service life of gear box, still through the rotation carousel realizes the switching of the filter cavity that the liquid inlet pipe and the liquid outlet pipe are connected, can clean or replace the filter frame under the condition of not stopping, need not to dismantle whole filter device, greatly simplify the maintenance process, reduce maintenance time and manpower cost;

[0016] 2. The utility model discloses still through the cooperation of stable clamping strip and stable clamping groove that set up and the filter screen of oblique setting, ensure the stable fixation of filter frame in the device, prevent the displacement of filter part due to lubricating oil flow impact, guarantee the stability and reliability of filtration effect, through the recess, when the first communication pipe of first filter cavity one side is blocked by the plugging column, the liquid inlet pipe can be connected with the inner cavity of second filter cavity through the recess;

[0017] Summarizing, through the mutual influence of above-mentioned multiple effects, realize multistage filtration to lubricating oil, can effectively remove the impurity of different particle size, and can clean or replace the filter frame under the condition of not stopping, need not to dismantle whole filter device, greatly simplify the maintenance process, reduce maintenance time and manpower cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model.

[0019] Figure 2 It is the split structure schematic diagram of the utility model.

[0020] Figure 3 It is the cross section structure schematic diagram of first filter cavity of the utility model.

[0021] Figure 4 It is the cross section structure schematic diagram of second filter cavity of the utility model.

[0022] Figure 5 It is the cross section split structure schematic diagram of second filter cavity of the utility model.

[0023] The figure mark is: 1, the box body, 2, first filter cavity, 3, second filter cavity, 4, liquid inlet pipe, 5, liquid outlet pipe, 6, first communication pipe, 7, second communication pipe, 8, limit chamber, 9, moving plate, 10, plugging column, 11, recess, 12, threaded rod, 13, carousel, 14, filter frame, 15, sealing plate, 16, stable clamping strip, 17, coarse filter screen, 18, fine filter screen. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] As shown in the accompanying drawings of the present application Figures 1-5 The oil absorption filtering device for the marine gear box comprises a box body 1, a first filtering cavity 2 and a second filtering cavity 3 are arranged in the middle part of the box body 1, a liquid inlet pipe 4 and a liquid outlet pipe 5 are fixedly connected to the top and the bottom of the box body 1 respectively, liquid inlet and outlet are facilitated through the liquid inlet pipe 4 and the liquid outlet pipe 5, a first communication pipe 6 and a second communication pipe 7 are arranged at the positions corresponding to the liquid inlet pipe 4 and the liquid outlet pipe 5 in the middle part of the box body 1, liquid entering through the liquid inlet pipe 4 is guided to enter the inside of the first filtering cavity 2 or the second filtering cavity 3 through the first communication pipe 6, and is backflowed to enter the inside of the liquid outlet pipe 5 through the second communication pipe 7, and a limiting cavity 8 is arranged on one side of the second filtering cavity 3;

[0026] A filtering frame 14 is arranged in the middle part of the first filtering cavity 2 and the second filtering cavity 3, a coarse filter screen 17 and a fine filter screen 18 are arranged in the middle part of the filtering frame 14, the coarse filter screen 17 can intercept larger-particle impurities, preliminarily filter lubricating oil, and reduce the filtering burden of the fine filter screen 18, and the fine filter screen 18 can finely filter lubricating oil, remove small-particle impurities, and further improve the cleanliness of the lubricating oil;

[0027] A moving plate 9 is arranged in the middle part of the limiting cavity 8, a plugging column 10 is fixedly connected to the two ends of the moving plate 9, a groove 11 is arranged in the middle part of one side of the plugging column 10, a threaded rod 12 is inserted into one side of the box body 1, one end of the threaded rod 12 is rotationally connected with the moving plate 9, and a rotating disc 13 is fixedly connected to the other end of the threaded rod 12, rotating the rotating disc 13 controls the threaded rod 12 to drive the moving plate 9 to move, so that the plugging column 10 can move to one side of the second filtering cavity 3, at this time, the liquid inlet pipe 4 is connected with the inside of the first filtering cavity 2 through the first communication pipe 6, so as to facilitate the entering liquid to enter the inside of the first filtering cavity 2 for filtering, by controlling the plugging column 10 to move to the side away from the second filtering cavity 3, the liquid inlet pipe 4 can be connected with the inside of the second filtering cavity 3 through the first communication pipe 6, so as to facilitate the switching of the filtering cavities, thereby facilitating the replacement and cleaning of the filtering frame 14 in the inside of the filtering cavity on the other side, without affecting the normal filtering use, and facilitating the maintenance operation of the filtering frame 14 without stopping the machine.

[0028] As shown in the accompanying drawings of the present application Figures 1-5As shown, the first communication pipe 6 is communicated with the first filter cavity 2 and the second filter cavity 3 and the liquid inlet pipe 4, the second communication pipe 7 is communicated with the first filter cavity 2 and the second filter cavity 3 and the liquid outlet pipe 5, the plugging column 10 corresponds to the first communication pipe 6, the groove 11 corresponds to the liquid inlet pipe 4 and the liquid outlet pipe 5, the periphery of the plugging column 10 is provided with a sealing gasket, the threaded rod 12 is threadedly connected with the wall body of the box body 1, one side of the filter frame 14 is fixedly connected with a sealing plate 15, the sealing plate 15 is arranged on the side of the box body 1, the both sides of the filter frame 14 are symmetrically fixedly connected with a stable clamping strip 16, the both sides of the middle of the second filter cavity 3 and the first filter cavity 2 are provided with stable clamping grooves corresponding to the positions of the stable clamping strip 16, the stable clamping strip 16 is arranged in the stable clamping groove, the coarse filter screen 17 is arranged on the top of the fine filter screen 18, the coarse filter screen 17 and the fine filter screen 18 are both obliquely fixed in the middle of the filter frame 14, the section shape of the moving plate 9 is arranged as a "U" shape, the two plugging columns 10 correspond to the liquid inlet pipe 4 and the liquid outlet pipe 5, the plugging column 10 can make the liquid inlet pipe 4 communicated with the inner cavity of the second filter cavity 3 through the groove 11 when the plugging column 10 blocks the first communication pipe 6 on one side of the first filter cavity 2, the opening position of the filter frame 14 can be blocked through the sealing plate 15, the stability of the movement of the filter frame 14 is improved through the cooperation of the stable clamping strip 16 and the stable clamping groove, the coarse filter screen 17 can intercept larger impurities, the lubricating oil is preliminarily filtered, and the filtering burden of the fine filter screen 18 is reduced; the fine filter screen 18 finely filters the lubricating oil, removes small particle impurities, and further improves the cleanliness of the lubricating oil.

[0029] The utility model discloses a working principle: when using, the liquid inlet pipe 4 is connected with the lubricating oil output pipeline of marine gear box, the liquid outlet pipe 5 is connected with the lubricating oil input pipeline of gear box, and the lubricating oil enters the inside of liquid inlet pipe 4 and will be guided into the inside of second filter cavity 3 through the recess 11, thereby carrying out preliminary filtration through coarse filter screen 17, intercepts larger particle impurities, and then flows back to marine gear box through liquid outlet pipe 5, and the circulation filtration of lubricating oil is completed.

[0030] When the surface impurities of the coarse filter screen 17 and the fine filter screen 18 being used need to be cleaned, the rotating disc 13 is rotated to control the threaded rod 12 to drive the moving plate 9 to control the plugging column 10 to move, so that the plugging column 10 is dislocated with the liquid inlet pipe 4, and the liquid inlet pipe 4 is connected with the first filter cavity 2 through the first communication pipe 6 at this time, and the plugging of the second filter cavity 3 is realized.

[0031] At this time, the lubricating oil in the inside of the box body 1 enters the inside of the first filter cavity 2 and is filtered through the coarse filter screen 17 and the fine filter screen 18 in the inside of the first filter cavity 2.

[0032] Then, one sealed plate 15 which needs to be cleaned is unlocked, and the sealed plate 15 drives the filter frame 14 to draw out the coarse filter screen 17 and the fine filter screen 18, so that the coarse filter screen 17 and the fine filter screen 18 can be cleaned without affecting normal use, and the maintenance operation can be conveniently performed without stopping.

[0033] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An oil suction filter device for marine gearboxes, comprising a housing (1), characterized in that: The middle part of the box (1) is provided with a first filter chamber (2) and a second filter chamber (3). The top and bottom of the box (1) are respectively fixedly connected with an inlet pipe (4) and an outlet pipe (5). The middle part of the box (1) is provided with a first connecting pipe (6) and a second connecting pipe (7) corresponding to the positions of the inlet pipe (4) and the outlet pipe (5). A limiting cavity (8) is opened on one side of the second filter chamber (3). The first filter chamber (2) and the second filter chamber (3) are each provided with a filter frame (14) in the middle, and the filter frame (14) is provided with a coarse filter screen (17) and a fine filter screen (18) in the middle. A movable plate (9) is provided in the middle of the limiting cavity (8). A sealing column (10) is fixedly connected to both ends of the movable plate (9). A groove (11) is provided in the middle of one side of the sealing column (10). A threaded rod (12) is inserted into one side of the box body (1). One end of the threaded rod (12) is rotatably connected to the movable plate (9). The other end of the threaded rod (12) is fixedly connected to a turntable (13).

2. The oil suction filter device for a marine gearbox according to claim 1, characterized in that: The first connecting pipe (6) is connected to the first filter chamber (2), the second filter chamber (3), and the inlet pipe (4), and the second connecting pipe (7) is connected to the first filter chamber (2), the second filter chamber (3), and the outlet pipe (5).

3. The oil suction filter device for a marine gearbox according to claim 1, characterized in that: The sealing column (10) corresponds to the first connecting pipe (6), the groove (11) corresponds to the inlet pipe (4) and the outlet pipe (5), and a sealing gasket is provided around the sealing column (10).

4. The oil suction filter device for marine gearboxes according to claim 1, characterized in that: The threaded rod (12) is threadedly connected to the wall of the box (1), and a sealing plate (15) is fixedly connected to one side of the filter frame (14). The sealing plate (15) is located on the side of the box (1).

5. The oil suction filter device for a marine gearbox according to claim 1, characterized in that: The filter frame (14) is symmetrically fixedly connected with stabilizing strips (16) on both sides. The second filter cavity (3) and the first filter cavity (2) are provided with stabilizing slots on both sides of the middle part corresponding to the stabilizing strips (16). The stabilizing strips (16) are set inside the stabilizing slots.

6. The oil suction filter device for marine gearboxes according to claim 1, characterized in that: The coarse filter (17) is placed on top of the fine filter (18), and both the coarse filter (17) and the fine filter (18) are fixed at an angle in the middle of the filter frame (14).

7. The oil suction filter device for marine gearboxes according to claim 1, characterized in that: The cross-sectional shape of the movable plate (9) is set to "U" shape, and the two sealing columns (10) correspond to the inlet pipe (4) and the outlet pipe (5).

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