CN219976103U - Tail shaft lubricating oil circulation indicating device and ship - Google Patents

Abstract

The utility model relates to the field of marine lubrication sealing, and particularly discloses a tail shaft lubricating oil circulation indicating device which comprises a tail shaft lubricating oil tank, an oil inlet pipe and an oil return pipe, wherein the oil inlet pipe and the oil return pipe are communicated with a to-be-lubricated part of a tail shaft, one end of the oil inlet pipe, which is far away from the tail shaft, is communicated with the tail shaft lubricating oil tank, the tail shaft lubricating oil circulation indicating device also comprises an overflow box which is positioned in the tail shaft lubricating oil tank, one end of the oil return pipe, which is far away from the tail shaft, is communicated with the overflow box, a leakage valve with adjustable flow is arranged on the overflow box, and the tail shaft lubricating oil circulation indicating device also comprises an indicating unit for indicating whether the tail shaft lubricating oil circulation is normal or not. According to the scheme, the indication unit can judge whether the lubricating oil normally flows back or not according to the oil quantity change condition of the lubricating oil in the overflow box, so that whether the lubricating oil circulation of the tail shaft is normal or not can be rapidly obtained; the indicating unit can enable the observation of the lubricating oil circulation of the tail shaft to be simpler and more convenient, and negligence caused by manual observation is not easy to occur.

Description

Tail shaft lubricating oil circulation indicating device and ship

Technical Field

The utility model relates to the technical field of marine lubrication and sealing, in particular to a tail shaft lubricating oil circulation indicating device and a ship.

Background

The ship tail shaft and the bearing are required to be reliably lubricated and sealed, and meanwhile, lubricating oil is required to be automatically circulated when the tail shaft runs, so that the running conditions of the tail shaft and the sealing device can be conveniently observed and judged. If the sealing device at the tail shaft fails, lubricating oil leaks into an outboard polluted water area, meanwhile, water also permeates into structures such as the tail shaft and a bearing, and the lubricating oil is emulsified and diluted, so that the viscosity of the lubricating oil is reduced, and the lubricating effect on the tail shaft and the working reliability of the tail shaft are affected.

At present, no advanced lubricating oil circulation indicating device exists in the field, so that whether a lubricating system normally operates or circulates is generally observed, and a traditional manual direct observation method is still adopted; through observing the oil return pipe orifice in the cabin, or set up transparent (glass or plastics) observation window or connect in series transparent observation tube etc. on the lubricating oil tank body in the cabin on the oil return pipeline, observe lubricating oil flow or fluctuation condition by turbine personnel next to lower cabin, then judge whether lubricating oil is in normal circulation state.

The mode and the method are completed completely by manpower, and the problem of sudden running of the tail shaft cannot be found in time due to the fact that a turbine worker is neglected slightly, so that accidents are easy to cause; meanwhile, as the transparent observation window (tube) is made of glass or plastic, the transparent observation window (tube) has sealing difficulty between the installation and other steel structures, the plastic is not durable, the situation that lubricating oil leaks easily after long-term use aging occurs, and the environment is also easy to pollute.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a tail shaft lubricating oil circulation indicating device and a ship, so as to solve the problems that a transparent observation window (pipe) made of glass or plastic is inconvenient to observe and turbine personnel easily have negligence in observation.

In order to achieve the above object, the basic scheme of the present utility model is as follows: the tail shaft lubricating oil circulation indicating device comprises a tail shaft lubricating oil tank, an oil inlet pipe and an oil return pipe, wherein the oil inlet pipe and the oil return pipe are communicated with a to-be-lubricated part of the tail shaft, one end of the oil inlet pipe, which is far away from the tail shaft, is communicated with the tail shaft lubricating oil tank, the tail shaft lubricating oil circulation indicating device further comprises an overflow box which is positioned in the tail shaft lubricating oil tank, one end of the oil return pipe, which is far away from the tail shaft, is communicated with the overflow box, a leakage valve with adjustable flow is arranged on the overflow box, and the tail shaft lubricating oil circulation indicating device further comprises an indicating unit for indicating whether the tail shaft lubricating oil circulation is normal or not.

The technical principle of the utility model is as follows: when the tail shaft is lubricated, the lubricating oil contacts the tail shaft through the oil inlet pipe, after the tail shaft is lubricated, redundant lubricating oil returns to the overflow box from the oil return pipe, the lubricating oil in the overflow box can overflow from the top of the overflow box, and meanwhile, the lubricating oil in the overflow box is continuously discharged from the leakage valve; the indicating unit can judge whether the lubricating oil normally flows back or not according to the oil quantity change condition of the lubricating oil in the overflow box, so that whether the lubricating oil circulation of the tail shaft is normal or not can be rapidly obtained; the indicating unit can enable the observation of the lubricating oil circulation of the tail shaft to be simpler and more convenient, and negligence caused by manual observation is not easy to occur.

Meanwhile, the opening degree of the leakage valve is adjusted, so that the leakage speed and the oil level rising speed of the lubricating oil in the overflow box are adjusted, the lubricating oil is more convenient to cooperate with the indicating unit, and the circulation state of the lubricating oil of the tail shaft is accurately indicated.

Further, the upper end of the overflow box is open, the leakage valve is positioned at the bottom of the overflow box, and the overflow box is positioned at the upper part of the tail shaft lubricating oil box; the volume of the overflow box is less than or equal to one fifth of the volume of the tail shaft lubricating oil box.

Through the arrangement, when the lubricating oil flows back faster, the redundant oil can be discharged through the opening of the overflow box and quickly flows back into the tail shaft lubricating oil tank, so that the lubricating oil can quickly enter the tail shaft lubricating oil circulation; when the tail shaft lubricating oil circulation indicating device is initially opened, no lubricating oil exists in the overflow box, and the indicating unit can give an abnormal prompt of the tail shaft lubricating oil circulation at the moment, but because the volume of the overflow box is far smaller than that of the tail shaft lubricating oil tank, if the tail shaft lubricating oil circulation is normal, the inside of the overflow box can be quickly filled with the lubricating oil, and then the indicating unit can quickly give a normal prompt of the tail shaft lubricating oil circulation.

Further, the indicating unit comprises a prompter for prompting whether the lubricating oil circulation of the tail shaft is normal or not and a floating ball liquid level switch for controlling whether the prompter is electrically communicated or not, and the floating ball liquid level switch is positioned in the overflow box.

Through above-mentioned setting, the suggestion ware can cooperate with floater liquid level switch, and floater liquid level switch detects the liquid level of overflow incasement lubricating oil, and in transferring into the suggestion ware with its electric signal, personnel can know the change condition of overflow incasement lubricating oil liquid level fast, and then can learn fast whether the circulation of tail shaft lubricating oil is in normal state.

Further, the indicating unit also comprises a buzzer for prompting abnormal circulation of lubricating oil of the tail shaft and a relay for controlling the energization or the outage of the buzzer, and the relay is connected with an electric contact of the floating ball liquid level switch.

Through the arrangement, when the circulation of the lubricating oil of the tail shaft is abnormal, no oil return or oil return is reduced in the overflow box, the circulation of an oil way is not smooth or the lubricating oil is leaked, when the lubricating oil is leaked, water is contained in the oil return, the lubricating oil is emulsified and diluted, the leakage is too fast, oil is not contained in the overflow box or the oil level is too low, a floating ball liquid level switch is not floated any more and is disconnected at the moment, an indicator lamp is extinguished, a buzzer circuit is connected by closing a relay, and an alarm sound is sent by the buzzer, so that turbine personnel can find faults in time, and the faults are removed.

Further, the indicator is an indicator lamp which can be connected with an electric contact of the floating ball liquid level switch, and when the lubricating oil of the tail shaft circulates normally, the indicator lamp is always on.

Through the arrangement, the indicator lamp can intuitively prompt that the lubricating oil of the tail shaft circulates normally for a long time.

Further, still include electric coupling pilot lamp, buzzer and floater liquid level switch's circuit and be located the switch on the circuit, the work contact disconnection of relay on the circuit after the relay circular telegram, buzzer outage stops the sound production.

Through the arrangement, the whole indicating device is started after the power switch is closed, when the floating ball liquid level switch is communicated with the circuit, the indicating lamp is on to indicate that the lubricating oil of the tail shaft circulates normally, at the moment, the working contact of the relay is disconnected, and the buzzer is powered off to stop sounding; when the lubricating oil circulation of the tail shaft is abnormal, the circuit is disconnected by the floating ball liquid level switch, the indicator lamp is extinguished, meanwhile, the working contact of the relay of the buzzer is controlled to be closed and communicated with the circuit, and the buzzer gives out alarm, so that the prompt state is rapidly switched, and timely and accurate prompt of faults is facilitated.

Further, a one-way stop valve is arranged on the oil inlet pipe.

Through above-mentioned setting, the flow direction of tail axle lubricating oil circulation can be controlled to the check valve, and the lubricating oil of being convenient for flows back to overflow case and tail axle lubricating oil tank after the tail axle.

The utility model also aims to provide a ship, a ship body, a tail shaft lubricating oil circulation indicating device and a power supply for the tail shaft lubricating oil circulation indicating device, wherein the power supply is a DC24V generator or a storage battery.

Through the arrangement, when the generator on the ship body is started, the generator can provide electric energy for the work of the indicator lamp, the buzzer and the floating ball liquid level switch, and the tail shaft lubricating oil circulation indicating device is synchronously started when the ship is started, so that the synchronism of the ship operation and the tail shaft lubrication is improved.

Further, be equipped with centralized control room on the boats and ships main part, be equipped with the control board in the centralized control room, buzzer and pilot lamp are located the control board.

Through the arrangement, the indication condition of the buzzer and the indicator lamp can be conveniently obtained through the monitoring table of the centralized control room, and further remote light indication and fault alarm can be realized, whether the tail shaft oil circulation is normal or not can be monitored at any time, and the degree of automation of the turbine is improved.

Drawings

Fig. 1 is a schematic diagram of the structure of the floating ball level switch in the tail shaft lubricating oil circulation indicating device according to embodiment 1 of the present utility model when floating.

Fig. 2 is a schematic structural diagram of the tail shaft lubricating oil circulation indicating device according to embodiment 1 of the present utility model when the float level switch is not floating.

Fig. 3 is an enlarged view of the tail shaft lubrication oil circulation indicating device in fig. 1 when the tail shaft lubrication oil circulation is normal.

Fig. 4 is an enlarged view of the tail shaft lubrication oil circulation indicating device in fig. 2 when the tail shaft lubrication oil circulation is abnormal.

Fig. 5 is a schematic diagram of the distribution of the tail shaft lubricating oil circulation indicating device on a ship in embodiment 2 of the present utility model.

Fig. 6 is an enlarged view of the lubricating oil tank for the tail shaft in embodiment 3 of the present utility model.

In the above figures: tail shaft lubricating oil tank 10, oil filler 101, overflow tank 20, opening 201, leak valve 202, oil inlet pipe 301, one-way shutoff valve 311, oil return pipe 302, float level switch 401, indicator lamp 402, buzzer 403, relay 404, circuit 405, vessel body 50, monitoring station 501, micro gear pump 60, oil inlet 601, filter screen 602, oil outlet 603, tail shaft 70, sliding bearing 701, power supply 80, power switch 801.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Example 1

The embodiment of the utility model basically provides a tail shaft lubricating oil circulation indicating device, as shown in fig. 1 and 2, which comprises a tail shaft lubricating oil tank 10, an overflow tank 20 positioned in the tail shaft lubricating oil tank 10, and an oil inlet pipe 301 and an oil return pipe 302 which are communicated with a to-be-lubricated part of a tail shaft 70, wherein a sliding bearing 701 is coaxially sleeved outside the tail shaft 70, a lubricating cavity is arranged between the sliding bearing 701 and the tail shaft 70, the oil inlet pipe 301 and the oil return pipe 302 are both communicated with the lubricating cavity, the upper end of the oil inlet pipe 301 is communicated with the tail shaft lubricating oil tank 10, and a one-way stop valve 311 for controlling lubricating oil to flow from the tail shaft lubricating oil tank 10 into the lubricating cavity is arranged on the oil inlet pipe 301; the upper right side of the tail shaft lubricating oil tank 10 is provided with an oil filler 101.

As shown in fig. 1 and 2, the overflow tank 20 has an opening 201 at an upper end thereof, a leakage valve 202 is located at a bottom of the overflow tank 20, and the overflow tank 20 is located at an upper portion of the tail shaft lubrication tank 10; the volume of the overflow tank 20 is one tenth of the volume of the tail shaft lubricating oil tank 10; the upper end of the oil return pipe 302 is communicated with the lower end of the overflow box 20, and the overflow box 20 is provided with a leakage valve 202 with adjustable flow and an indicating unit for indicating whether the lubricating oil circulation of the tail shaft is normal.

As shown in fig. 1 and 2, the indication unit comprises a prompter for prompting whether the lubricating oil circulation of the tail shaft is normal, a float liquid level switch 401 for controlling whether the prompter is in electric communication, a buzzer 403 for prompting that the lubricating oil circulation of the tail shaft is abnormal, a power supply 80, and a circuit 405 for electrically connecting the prompter, the buzzer 403 and the float liquid level switch 401, wherein the right end of the circuit 405 can be connected with an electric contact of the float liquid level switch 401; as shown in fig. 3, the power supply 80 is a DC battery with a DC24V, a power switch 801 connected to a circuit is provided on the power supply 80, the positive electrode of the power supply 80 is located between the power switch 801 and the buzzer 403, the indicator is an indicator lamp 402, and the indicator lamp 402 is an LED indicator lamp 402; float level switch 401 is located within overflow tank 20; the circuit 405 is provided with a relay 404 for controlling the power-on or power-off of the buzzer 403, the relay 40 is connected with the electric contact of the switch of the floating ball liquid level 401, the working contact of the relay 404 is disconnected after the relay 404 on the circuit 405 is powered on, and the buzzer 403 stops sounding after power-off.

When the tail shaft lubricating oil circulation indicating device in this embodiment is used, as shown in fig. 3 and 4, the power switch 801 is turned off first, so that the power supply 80 is in an on state, when the power supply 80 is in an initial on state, no lubricating oil is stored in the overflow box 20, at this time, the working contact of the relay 404 is in a normally closed state as shown in fig. 4, the buzzer 403 is communicated with the circuit of the power supply 80, and gives an alarm, because the volume of the overflow box 20 is far smaller than that of the tail shaft lubricating oil tank 10, after the indicating device operates briefly, the lubricating oil in the tail shaft lubricating oil tank 10 enters the lubricating cavity between the sliding bearing 701 and the tail shaft 70 through the oil inlet pipe 301, the circulating lubricating oil is discharged into the overflow box 20 and the tail shaft lubricating oil tank 10 through the oil return pipe 302, the overflow box 20 can be filled with lubricating oil quickly, the floating ball liquid level switch 401 floats up to communicate the circuit 405, so that the working contact of the relay 404 is disconnected and the normally-on state of the indicating lamp 402 as shown in fig. 3 can give a prompt that the tail shaft lubricating oil circulates normally.

When the circulation of the lubricating oil of the tail shaft 70 is normal, the normal lubricating oil return quantity of the tail shaft 70 is larger than the leaked oil quantity, at the moment, the lubricating oil level in the overflow box 20 keeps a stable rising state, the overflow box 20 is full of the lubricating oil, redundant lubricating oil quickly overflows from an opening, the lubricating oil level in the overflow box 20 rises and drives a floating ball liquid level switch 401 to float, when the overflow box 20 is full of the lubricating oil or contains more lubricating oil, as shown in fig. 1 and 3, the floating ball liquid level switch 401 is communicated with a circuit 405, a working contact of a relay 404 is disconnected after a relay 404 is electrified, a buzzer 403 is powered off to stop generating the sound, and an indicator lamp 402 is normally on and indicates that the circulation of the lubricating oil of the tail shaft is in a normal state; excessive lubricating oil in the overflow box 20 can flow out through the opening 201 at the top of the overflow box 20, meanwhile, the lubricating oil in the overflow box 20 can be discharged at the position of the leakage valve 202, the lubricating oil quantity in the overflow box 20 can be kept to be changed, the floating ball liquid level switch 401 can be more conveniently used for sensing the change of the liquid level of the lubricating oil in the overflow box 20 to float up and down, the floating ball liquid level switch 401 feeds back the change condition of the liquid level to the indicator lamp 402 and the buzzer 403 through the circuit 405, and therefore whether the circulation of the lubricating oil of the tail shaft is normal or not can be conveniently known.

When the circulation of the lubricating oil of the tail shaft is unsmooth, as shown in fig. 2 and 4, the lubricating oil in the overflow box 20 is continuously discharged from the leakage valve 202, the liquid level of the lubricating oil in the overflow box 20 is lowered, at the moment, the floating ball liquid level switch 401 floats and moves downwards to be disconnected with the circuit 405, the working contact of the relay 404 is closed, the buzzer 403 in the circuit 405 is electrified, the indicating lamp 402 is powered off to extinguish, and the buzzer 403 gives out an alarm sound, so that a turbine worker can find out that the lubricating oil of the tail shaft circulates correspondingly in time.

When lubrication leakage occurs, water is contained in oil return, lubricating oil is emulsified and diluted, the leakage is too fast, no oil return or less oil return is caused in the overflow box 20, at the moment, the floating ball liquid level switch 401 floats downwards to be disconnected with the circuit 405, the indicator lamp 402 is extinguished, the working contact of the relay 404 is closed, the buzzer 403 gives out alarm, and turbine personnel can also find out corresponding faults of the circulation of the lubricating oil of the tail shaft in time.

When the indicating device is adjusted, the opening degree of the leakage valve 202 can be pre-adjusted, so that the oil discharge amount of the leakage valve 202 of the overflow box 20 is controlled, and the opening degree of the leakage valve 202 is matched with the oil accumulation speed in the overflow box 20.

Through the cooperation of pilot lamp 402, buzzer 403 and floater liquid level switch 401, can know fast through pilot lamp 402 and buzzer 403 whether the circulation of tail axle lubricating oil is normal, reduced the degree of difficulty that personnel observed the lubrication cycle condition, and solved the sealed processing that exists in original glass or the transparent observation window of plastics (pipe) and be difficult to and cause the problem that lubricating oil leaked after ageing easily.

Example 2

The difference between embodiment 2 and embodiment 1 is basically as shown in fig. 5, and this embodiment proposes a ship, which includes a ship body 50, a generator and a tail shaft lubricating oil circulation indicating device in embodiment 1, wherein the generator replaces a power supply 80, the generator is a 24V direct current generator, and the generator is electrically connected with an indicator lamp 402, a buzzer 403 and a float level switch 401; the ship body 50 is provided with a centralized control room, a monitoring table 501 is arranged in the centralized control room, and the buzzer 403 and the indicator lamp 402 are positioned on the monitoring table 501.

When the ship is used, when a 24V direct current generator on the ship body 50 is started, the generator provides electric energy for the operation of the indicator lamp 402, the buzzer 403 and the floating ball liquid level switch 401, and when the ship is started, the tail shaft lubricating oil circulation indicating device is synchronously started, so that the electric energy is conveniently provided for the tail shaft lubricating oil circulation indicating device in time, the synchronism of the ship operation and the lubrication of the tail shaft 70 is improved, and the timeliness of the lubrication control of the tail shaft 70 is improved; meanwhile, the indication conditions of the buzzer 403 and the indicator lamp 402 can be conveniently obtained through the monitoring table 501 of the centralized control room, so that remote light indication and fault alarm can be realized, whether the lubricating oil of the tail shaft 70 circulates normally or not can be monitored at any time, and the degree of automation of the turbine is improved.

Example 3

The difference between the embodiment 3 and the embodiment 2 is that, basically as shown in fig. 6, a miniature gear pump 60 with the model of HGP-2A-F2R is fixedly installed at the communication position of the tail shaft lubricating oil tank 10 and the oil inlet pipe 301 through bolts, an oil inlet 601 and an oil outlet 603 are arranged on the miniature gear pump 60, and the oil outlet 603 is communicated with the oil inlet pipe 301; the oil inlet 601 is communicated with the tail shaft lubricating oil tank 10, and the miniature gear pump 60 is electrically connected with the power supply 80.

In addition, a filter screen 602 is fixedly covered at the oil inlet 601 of the micro gear pump 60.

When the tail shaft lubricating oil circulation indicating device in the embodiment is used, the power supply 80 can provide power for the miniature gear pump 60, so that after the generator of the ship body is started, the tail shaft 70 can be lubricated synchronously; in this process, the micro gear pump 60 can provide power for the flow and the transportation of the lubricating oil, so that the lubricating oil can quickly enter into the circulation of the lubricating oil of the tail shaft 70, meanwhile, the filter screen 602 can filter the lubricating oil, so that the metal scraps or other impurities carried by the lubricating oil after lubrication can be prevented from entering into the circulation of the lubricating oil of the tail shaft 70, and the tail shaft 70 and the sliding bearing 701 can be protected.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (9)

1. The tail shaft lubricating oil circulation indicating device comprises a tail shaft lubricating oil tank, an oil inlet pipe and an oil return pipe, wherein the oil inlet pipe and the oil return pipe are communicated with a to-be-lubricated part of the tail shaft, and one end of the oil inlet pipe, which is far away from the tail shaft, is communicated with the tail shaft lubricating oil tank.

2. The tail shaft lubrication oil circulation indicating device according to claim 1, wherein the upper end of the overflow tank is open, the leakage valve is positioned at the bottom of the overflow tank, and the overflow tank is positioned at the upper part of the tail shaft lubrication oil tank; the volume of the overflow box is less than or equal to one fifth of the volume of the tail shaft lubricating oil box.

3. The tail shaft lubrication oil circulation indicating device according to claim 2, wherein the indicating unit comprises a prompter for prompting whether the tail shaft lubrication oil circulation is normal or not and a float level switch for controlling whether the prompter is electrically communicated or not, and the float level switch is located in the overflow box.

4. The tail shaft lubrication oil circulation indicating device according to claim 3, wherein the indicating unit further comprises a buzzer for prompting abnormality of the tail shaft lubrication oil circulation and a relay for controlling the buzzer to be powered on or off, and the relay is connected with an electrical contact of the float level switch.

5. The tail shaft lubrication oil circulation indicating device as claimed in claim 4, wherein the indicator is an indicator light, the indicator light can be connected with an electrical contact of the float level switch, and the indicator light is normally on when the tail shaft lubrication oil circulation is normal.

6. The tail shaft lubrication oil circulation indicating device according to claim 5, further comprising a circuit electrically coupled to the indicator light, the buzzer, and the float level switch, and a power switch located on the circuit, wherein the relay on the circuit is powered on and then the working contact of the relay is disconnected, and the buzzer is powered off to stop sounding.

7. The tail shaft lubrication oil circulation indicating device according to claim 6, wherein the oil inlet pipe is provided with a one-way stop valve.

8. A marine vessel comprising a marine vessel body, a tail shaft lubrication oil circulation indicating device according to claim 7, and a power source for the tail shaft lubrication oil circulation indicating device, the power source being a DC24V generator or a battery.

9. A ship as claimed in claim 8, wherein the ship body is provided with a centralized control room, a monitoring table is arranged in the centralized control room, and the buzzer and the indicator lamp are arranged on the monitoring table.