CN218467745U - Return leakage prevention device for oil leakage tank pipeline of speed governor of hydraulic turbine - Google Patents

Abstract

The utility model discloses a belong to and leak oil tank pipeline technical field, specifically be a hydraulic turbine speed regulator oil leak tank pipeline anti-return leakage device, including leaking the oil tank, the inside of leaking the oil tank is provided with the oil pipe that leaks and the oil pipe of running through the lateral wall, the oil pipe that leaks's the other end is connected with the speed regulator, the other end of taking out oil pipe is connected with the oil leak pump, the opposite side of oil leak pump is provided with back oil pipe, install the check valve on the pipe wall of back oil pipe, the other end that returns oil pipe is connected with Z shape pipe fitting, the other end of Z shape pipe fitting is connected with back oil tank, and lies in back oil tank's upper strata, can improve the height of being connected between oil pipe and the back oil tank through setting up of Z shape pipe fitting, and the stability of butt joint between oil pipe and the Z venturi tube can be strengthened to the setting of mounting, regulation pole, carousel and clamp splice like this, can make the position that returns oil pipe be higher than the oil level in the oil tank, consequently, when the check valve appears damaging, can avoid returning the oil level in the oil tank to flow backwards.

Description

Return leakage prevention device for oil leakage tank pipeline of speed regulator of water turbine

Technical Field

The utility model relates to a leak oil tank pipeline technical field, specifically be a hydraulic turbine speed governor leaks oil tank pipeline and prevents returning infiltration device.

Background

When a leakage oil tank in a general hydraulic turbine speed regulator is put into operation, an oil outlet of an oil return pipe on an oil leakage pump is positioned at the bottom of an oil return tank in a speed regulating system, so that when an oil leakage pump fails or a check valve on the oil return pipe fails, oil inside the oil return tank flows backwards into the oil leakage tank, the oil overflow tank is full, the accident that the oil leaks into a downstream river channel is caused, meanwhile, the accident that the oil inside the oil return tank is reduced to cause unplanned shutdown is caused, the oil level tension of an oil level needs to be overcome when the oil leakage pump operates, the load of the oil pump is increased, the equipment abrasion and the energy consumption are increased, and the damage condition of the oil leakage pump is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic turbine speed regulator leaks oil tank pipeline and prevents returning leakage device, when the oil tank that leaks in the general hydraulic turbine speed regulator that proposes in solving above-mentioned background art is put into operation, the oil-out that returns oil pipe on the oil leak pump is in the bottom of time oil tank in the speed governing system, when the contrary stop valve became invalid on oil leak pump trouble or time oil pipe like this, can cause the inside oil refluence of time oil tank to get into in the oil leak tank, thereby overflow the oil leak tank and cause the occurence of failure of seepage inflow river course, the inside oil reduction of time oil tank can lead to unplanned down the occurence of failure simultaneously, and oil level liquid level tension need be overcome when the oil leak pump is in the operation, thereby aggravate the oil pump load, cause equipment wear and energy consumption to increase, the problem that the damage condition of oil leak pump appears has been increased.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic turbine speed regulator leaks oil tank pipeline and prevents returning and oozes device, includes the oil leakage case, the inside of oil leakage case is provided with the oil leakage pipe and the oil pumping pipe that run through the upper side wall, the other end that leaks oil pipe is connected with the speed regulator, the other end of oil pumping pipe is connected with the oil leakage pump, the opposite side of oil leakage pump is provided with back oil pipe, install the check valve on the pipe wall of back oil pipe, the other end that returns oil pipe is connected with Z shape pipe fitting, the other end of Z shape pipe fitting is connected with back oil tank, and is located back oil tank's upper strata, the mounting is all installed to the upper and lower both sides of Z shape pipe fitting, the screw thread is provided with the regulation pole on the lateral wall of mounting, it is provided with the carousel to rotate on the side that the regulation pole is located back oil pipe one side, be provided with the clamp splice on the lateral wall of carousel.

Preferably, the pipe wall outside of returning oil pipe and the outside that is located the check valve are installed and are connect oil box and lid, connect and can dismantle through bolt and nut between oil box and the lid and be connected, connect all to be provided with sealed pad one on the lateral wall of oil box and lid and the laminating of returning oil pipe, be provided with the observation window on the preceding lateral wall of connecing the oil box.

Preferably, a pressure sensor is installed on the bottom side of the interior of the oil receiving box, and a protective film attached to the inner wall of the oil receiving box is arranged on the upper side of the pressure sensor.

Preferably, the inner walls of the two clamping blocks are provided with second sealing gaskets attached to the side walls of the oil return pipes.

Preferably, the fixing piece is detachably connected with the Z-shaped pipe fitting through a screw.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, can improve the height of being connected between oil pipe and the oil return tank through the setting of Z venturi tube spare, a fixed part, adjust the pole, the stability of butt joint between oil pipe and the Z venturi tube spare can be strengthened returning to the setting of carousel and clamp splice, the oil-out position that can make back oil pipe is higher than the oil level in the oil return tank like this, therefore, when the check valve appears damaging, can avoid the oil refluence in the oil return tank, it is steady to keep the oil level, and such setting can avoid leaking the oil pump and frequently start, thereby can reduce power consumption and the wearing and tearing condition, reduce the damage condition of leaking the oil pump and take place, guarantee that whole operation is normal, also can avoid appearing the problem of seepage polluted environment simultaneously.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

FIG. 3 is an enlarged view of the portion A in FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 2;

fig. 5 is a partial structure diagram of the present invention.

In the figure: the device comprises a 1 oil leakage tank, a 2 oil leakage pipe, a 3 speed regulator, a 4 oil pumping pipe, a 5 oil leakage pump, a 6 oil return pipe, a 7 check valve, an 8 oil receiving box, an 81 observation window, a 9 box cover, a 10 bolt, a 11 nut, a 12 sealing gasket I, a 13 pressure sensor, a 14 protective film, a 15 oil return tank, a 16Z-shaped pipe fitting, a 17 fixing piece, an 18 screw, a 19 adjusting rod, a 20 rotating disc, a 21 clamping block and a 22 sealing gasket II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a hydraulic turbine governor oil leakage tank pipeline prevents returning and oozes device, includes oil leakage tank 1, the inside of oil leakage tank 1 is provided with oil leakage pipe 2 and the oil pumping pipe 4 that runs through the upper side wall, the other end of oil leakage pipe 2 is connected with speed regulator 3, the oil of speed regulator 3 seepage gets into in oil leakage tank 1 through oil leakage pipe 2, the other end of oil pumping pipe 4 is connected with oil leakage pump 5, oil leakage pump 5 can take out the oil in oil leakage tank 1 through oil pumping pipe 4, the opposite side of oil leakage pump 5 is provided with oil return pipe 6, install check valve 7 on the pipe wall of oil return pipe 6, can reach the effect of one-way circulation, the other end of oil return pipe 6 is connected with Z shape pipe fitting 16, the other end of Z shape pipe fitting 16 is connected with oil return tank 15, and be located the upper strata of oil return tank 15, can improve the height that oil return pipe 6 and oil return tank 15 are connected through setting up of Z shape pipe fitting 16 to exceed the oil level in oil return tank 15, can avoid oil in the oil return tank 15 to follow oil return pipe 6 refluence with this, mounting 17 is all installed to the upper and lower both sides of Z shape pipe fitting 16, threaded setting has the regulation pole 19 on mounting 17's the lateral wall, can reach the spacing effect that the spiral reciprocated, it is provided with carousel 20 to rotate on the side that regulation pole 19 is located oil return pipe 6 one side, be provided with on carousel 20's the lateral wall with the clamp splice 21 of oil return pipe 6 lateral wall laminating, can keep the fixed of clamp splice 21 position through carousel 20, be convenient for carry out the centre gripping to oil return pipe 6.

Wherein, the pipe wall outside of returning oil pipe 6 and the outside that is located check valve 7 are installed and are connect oil box 8 and lid 9, connect and to dismantle through bolt 10 and nut 11 between oil box 8 and the lid 9 and be connected, connect and all be provided with sealed one 12 on oil box 8 and lid 9 and the lateral wall of returning oil pipe 6 laminating, be provided with observation window 81 on the preceding lateral wall of oil box 8, can fix in the outside of returning oil pipe 6 through the combination of connecting oil box 8 and lid 9, can collect when the oil seepage appears at check valve 7 like this, bolt 10 and nut 11's combination is convenient for both to combine or separate, and whether seepage appears in check valve 7 can conveniently be observed to observation window 81, connect the inside bottom side of oil box 8 to install pressure sensor 13, pressure sensor 13's upside be provided with the protection film 14 that connects the laminating of oil box 8 inner wall, can produce pressure variation on the oil drip of seepage drops pressure sensor 13, can carry out signal transmission like this, send the seepage and remind, protection film 14 can prevent oil and pressure sensor 13 contact, two on the inner wall of clamp splice 21's the lateral wall be provided with mounting and can dismantle the screw joint between two sealed pipe 18 and the screw joint piece 16.

The working principle is as follows: the height of butt joint between the oil return pipe 6 and the oil return tank 15 can be improved through the arrangement of the Z-shaped pipe piece 16, so that an oil outlet of the oil return pipe 6 can be higher than the oil level in the oil return tank 15, the fixing piece 17, the adjusting rod 19, the rotary table 20, the clamping block 21 and the second sealing gasket 22 can improve the stability of the position of the oil return pipe 6, so that oil accumulated in the oil return tank 1 can be sent into the oil return tank 15 along the oil return pipe 6 through the check valve 7 when the oil leakage pump 5 works, when the check valve 7 is aged and damaged, leaked oil can be collected under the cooperation of the oil receiving box 8 and the box cover 9, the environment pollution is avoided, meanwhile, the leakage condition can be found through the observation window 81, the change is convenient to timely replace, the pressure sensor 13 arranged at the bottom of the oil receiving box 8 can detect the pressure change when the oil drops, the detection precision is improved through signal transmission, the alarm reminding effect is achieved, meanwhile, the situation that the oil inside the oil return tank 15 overflows when the check valve 7 is damaged is prevented from flowing backwards, and the oil level 1 is prevented from being caused by the backflow phenomenon.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, it will be obvious to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a hydraulic turbine speed regulator leaks oil tank pipeline and prevents returning device that oozes, includes oil tank (1), its characterized in that: the utility model discloses a leak the oil pipe, leak the inside of oil tank (1) and be provided with oil leak pipe (2) and oil pumping pipe (4) that run through the last lateral wall, the other end that leaks oil pipe (2) is connected with speed regulator (3), the other end of oil pumping pipe (4) is connected with oil leak pump (5), the opposite side of oil leak pump (5) is provided with oil return pipe (6), install check valve (7) on the pipe wall of oil return pipe (6), the other end that returns oil pipe (6) is connected with Z shape pipe fitting (16), the other end of Z shape pipe fitting (16) is connected with oil return tank (15), and is located the upper strata of oil return tank (15), mounting (17) are all installed to the upper and lower both sides of Z shape pipe fitting (16), the screw thread is provided with regulation pole (19) on the lateral wall of mounting (17), it is provided with carousel (20) to rotate on the side that is located oil return pipe (6) one side to adjust pole (19), be provided with clamp splice (21) with the laminating of oil return pipe (6) lateral wall on the lateral wall of carousel (20).

2. The anti-back-seepage device for the oil leakage tank pipeline of the hydro governor according to claim 1, characterized in that: the oil return pipe is characterized in that an oil receiving box (8) and a box cover (9) are installed on the outer side of the pipe wall of the oil return pipe (6) and the outer side of the check valve (7), the oil receiving box (8) and the box cover (9) are detachably connected through a bolt (10) and a nut (11), sealing gaskets (12) are arranged on the side walls of the oil receiving box (8) and the box cover (9) and the oil return pipe (6) in a fit mode, and an observation window (81) is arranged on the front side wall of the oil receiving box (8).

3. The anti-back-seepage device for the oil leakage tank pipeline of the hydro governor according to claim 2, characterized in that: the bottom side of the interior of the oil receiving box (8) is provided with a pressure sensor (13), and the upper side of the pressure sensor (13) is provided with a protective film (14) attached to the inner wall of the oil receiving box (8).

4. The anti-back-seepage device for the oil leakage tank pipeline of the hydro governor according to claim 1, characterized in that: and a second sealing gasket (22) attached to the side wall of the oil return pipe (6) is arranged on the inner walls of the two clamping blocks (21).

5. The anti-back-seepage device for the oil leakage tank pipeline of the hydro governor according to claim 1, characterized in that: the fixing piece (17) is detachably connected with the Z-shaped pipe fitting (16) through a screw (18).

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