CN220365870U

CN220365870U - Leakage-proof early warning device for bulb tubular turbine engine sending bearing

Info

Publication number: CN220365870U
Application number: CN202322157924.XU
Authority: CN
Inventors: 李华勇; 唐鲲鹏; 汪如哲
Original assignee: Jiangxi Port And Waterway Construction Investment Group Co ltd
Current assignee: Jiangxi Port And Waterway Construction Investment Group Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-01-19
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses a leakage-proof early warning device for a bulb tubular turbine generator system emission bearing, which comprises a lower sealing valve and an upper sealing valve, wherein a first sealing half groove is symmetrically formed in one side opposite to the lower sealing valve and the upper sealing valve, a first sealing hose is embedded in the first sealing half groove, a first expansion piece is sleeved in the first sealing hose, a second sealing half groove is symmetrically formed in a groove in one side opposite to the lower sealing valve and the upper sealing valve, a second sealing hose is embedded in the second sealing half groove, and a second expansion piece is sleeved in the second sealing hose. The beneficial effects are that: the utility model is provided with the lower sealing valve and the upper sealing valve, can fully seal and protect the left and right directions and the front and rear directions of the bulb tubular turbine engine transmission bearing, further improves the sealing effect during working, and can timely give out early warning to a user when the sealing element fails and oil seepage occurs, so that the user can timely treat the bulb tubular turbine engine transmission bearing, and further loss is avoided.

Description

Leakage-proof early warning device for bulb tubular turbine engine sending bearing

Technical Field

The utility model relates to the technical field of fault early warning, in particular to a leakage-proof early warning device for a bulb through-flow type unit sending bearing.

Background

The bulb through-flow type generator set generator guide bearing is a part of a generator combined bearing and is used for bearing radial force caused by a generator rotor, eccentric magnetic pulling force and the like, along with popularization and application of hydroelectric power station electromechanical technology, the bulb through-flow type generator set is generally applicable to a riverbed type low-head hydropower station, the problem of oil seepage of the bulb through-flow type generator set generator guide bearing is a common phenomenon in the running process of the generator set, oil seeps into a generator wind tunnel at a joint of a sealing cover of the generator guide bearing, the generator set bar and other components are polluted after the oil is atomized, adverse effects are brought to safe running of the generator set, and therefore the problem of oil seepage of the generator guide bearing is more and more emphasized.

The prior art discloses the publication number: CN218207510U is a sealing device for a tubular turbine generator set, comprising an upper sealing valve, a lower sealing valve and a sealing assembly, wherein both sides of the upper sealing valve are provided with an upper sealing half groove adapted to the sealing assembly, both sides of the lower sealing valve are provided with a lower sealing half groove adapted to the sealing assembly, and the upper part of the sealing assembly is arranged in the upper sealing half groove; in the use of an actual bulb tubular turbine engine sending guide bearing, when the sending guide bearing needs to be sealed, the sending guide bearing can be placed on a lower sealing valve, then a sealing hose is placed in a lower sealing half groove, then an upper sealing valve is covered and locked, then water is injected into the sealing hose, so that an expansion piece absorbs water and expands, the sealing hose is better attached to the inner walls of the upper sealing half groove and the lower sealing half groove, and then the lower sealing valve is arranged on a bearing support, so that the sending guide bearing can be better sealed, oil seepage of the sending guide bearing is prevented, and the safe operation of the turbine engine is ensured.

Said utility model can utilize the sealing hose equipped with expansion piece to make locking seal for bulb tubular machine set transmitting bearing, but can only make square oil-seepage seal for two side directions of bulb tubular machine set transmitting bearing, can not synchronously make oil-seepage-proofing seal along the mounting direction of bulb tubular machine set transmitting bearing so as to make its sealing effect general, and when the sealing component is failed and oil seepage is resulted, the user can not be warned in time, so that it is easy to cause large loss.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a leakage-proof early warning device for a bulb through-flow type unit transmitting bearing, which has the advantages of being capable of fully sealing and protecting the bulb through-flow type unit transmitting bearing in the left-right direction and the front-back direction, further improving the sealing effect in the working process, and being capable of timely giving early warning to a user when a sealing element fails and oil seeps, so that the user can timely treat the leakage-proof early warning device, further avoiding further loss, and further solving the problems in the background art.

(II) technical scheme

In order to achieve the advantages that the sealing protection can be fully performed on the left and right directions and the front and rear directions of the bulb through-flow type unit sending guide bearing, the sealing effect during working is further improved, and when oil seepage occurs due to failure of a sealing element, early warning can be timely sent out to a user, so that the user can timely process the oil, and further loss is avoided, the utility model adopts the following specific technical scheme: the utility model provides a bulb tubular turbine sends out guide bearing leak protection early warning device, includes sealing lamella and last sealing lamella down, sealing lamella and last sealing lamella opposite side symmetry have seted up first sealing half groove, and first sealing half inslot inlay card installs first sealing hose to first sealing hose has cup jointed first expansion piece, first hard tube is installed in first sealing hose both ends symmetrical connection, and first hard tube one end screw-on has first sealing piece, second sealing half groove has been seted up to sealing lamella and last sealing lamella opposite side recess in the symmetry down, and second sealing half inslot inlay card installs second sealing hose to cup jointed second expansion piece in the second sealing hose, second sealing hose both ends symmetrical connection has installed the second hard tube, and second hard tube one end screw-on has second sealing piece, sealing lamella is located second sealing half inslot below and has seted up the mounting hole, two second hard tube correspond and peg graft in the mounting hole, sealing lamella recess central authorities have seted up the second oil pocket, and second oil pocket has installed the photoelectric sensor in the second oil pocket, first water logging sensor has set up the photoelectric sensor in the second oil pocket.

Further, the welding of lower sealing lamella bilateral symmetry has first connecting plate, it has the second connecting plate to go up sealing lamella bilateral symmetry welding, one side first connecting plate and second connecting plate are connected through the hinge, the opposite side first connecting plate top surface has seted up the connection draw-in groove, and has seted up the installation blind groove to installation blind groove one side central authorities fixed mounting has the installation sliding sleeve, the pull rod has been cup jointed in the installation sliding sleeve, and the pull rod is located installation blind groove one end fixedly connected with wedge cardboard to be connected with a plurality of reset spring between wedge cardboard one side and the installation blind inslot wall, the opposite side second connecting plate bottom surface fixed welding has the connection fixture block, and connection fixture block one side bottom fixed welding has the wedge clamp plate, the connection fixture block inlay card is in the connection fixture groove.

Further, the cross section shapes of the wedge-shaped clamping plate and the wedge-shaped pressing plate are right trapezoid.

Further, the cross section of the second sealing hose is circular.

Further, the central axes of the lower sealing valve, the upper sealing valve, the second sealing half groove, the first oil collecting cavity and the second oil collecting cavity are in the same straight line.

Further, the cross sections of the first connecting plate and the second connecting plate are the same in size and shape.

(III) beneficial effects

Compared with the prior art, the utility model provides the leakage-proof early warning device for the bulb through-flow type unit sending bearing, which has the following beneficial effects:

(1) When the utility model is installed and used, a worker firstly places and installs the bulb tubular machine transmitting bearing in the lower sealing valve, then the first hard tubes connected and installed at the two ends of the first sealing hose are correspondingly clamped and embedded in the first sealing half grooves formed on the lower sealing valve, the second hard tubes connected and installed at the two ends of the second sealing hose are correspondingly clamped and embedded in the mounting holes formed on the lower sealing valve, the second sealing hose is clamped and embedded in the second sealing half grooves formed, the upper sealing valve can be covered on the lower sealing valve through the rotation of the hinge and is locked and fixed through the fixing mechanism because the first connecting plate fixedly installed at one end of the lower sealing valve is connected with the second connecting plate fixedly installed at one end of the upper sealing valve through the hinge, the two second sealing hoses are clamped and embedded in the two groups of second sealing half grooves, finally, workers respectively inject the two second sealing hoses into the first sealing hose and the second sealing hose, and respectively close the opening of the first hard tube and the opening of the second hard tube through the first sealing piece and the second sealing piece, at the moment, the first expansion piece sleeved in the first sealing hose and the second expansion piece sleeved in the second sealing hose are expanded after contacting water, the sealing cavities formed by the lower sealing valve and the upper sealing valve are sealed by the expanded first sealing hose and the expanded second sealing hose, so that the transmitting bearing can be better sealed, the oil seepage of the transmitting bearing is prevented, the safe operation of the unit is ensured, when the sealing parts fail, the leaked oil can fall into the second oil collecting cavity or penetrate into the first oil collecting cavity formed in the lower sealing valve, the first photoelectric water logging sensor is installed in the first oil collecting cavity, the second photoelectric water logging sensor is installed in the second oil collecting cavity, oil leakage signals can be transmitted to an external early warning system, early warning is timely sent out to a user, the user can timely process the oil leakage signals, and further loss is avoided.

(2) The utility model is provided with the first connecting plate and the second connecting plate, as described above, the first connecting plate fixedly arranged at one end of the lower sealing valve is connected with the second connecting plate fixedly arranged at one end of the upper sealing valve through the hinge, when the upper sealing valve can be covered on the lower sealing valve through the hinge rotating cover, the connecting clamping block welded at the bottom surface of the first connecting plate arranged at the other end of the upper sealing valve is clamped into the connecting clamping groove formed in the top surface of the first connecting plate arranged at the other end of the lower sealing valve, in the process, the wedge-shaped clamping plate fixedly arranged at one side of the connecting clamping block pushes the arranged wedge-shaped clamping plate into the blind groove, and compresses the reset spring arranged between the wedge-shaped clamping plate and the inner wall of the blind groove, when the wedge-shaped clamping plate moves to the lower part of the wedge-shaped clamping plate, the wedge-shaped clamping plate is reset under the elastic force of the reset spring, so that the first connecting plate and the second connecting plate are fixedly connected, the locking installation of the lower sealing valve and the upper sealing valve is completed, and when the lower sealing valve and the upper sealing valve are required to be separated, the wedge-shaped clamping plate is only required to be pulled to be driven to move, the wedge-shaped clamping plate is arranged in the installation sleeve, the connecting clamping plate is pushed into the blind groove, the wedge-shaped clamping plate, the reset clamping plate is pushed into the blind groove, the installation groove, the sealing plate is convenient, the leakage-proof device, and the following assembly is convenient to take the assembly, and the assembly to take the assembly and the assembly to be detached, and the assembly.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a leak-proof warning device for a bulb through-flow unit transmission bearing according to an embodiment of the utility model;

FIG. 2 is a perspective view of a lower seal flap of a leak-proof warning device for a bulb through-flow unit transmission bearing according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a first sealing hose structure of a leak-proof warning device for a bulb through-flow unit transmission bearing according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a second sealing hose structure of a leak-proof warning device for a bulb through-flow unit transmission bearing according to an embodiment of the present utility model;

fig. 5 is an enlarged view at a of fig. 1 according to an embodiment of the present utility model.

In the figure:

1. a lower sealing flap; 2. an upper sealing flap; 3. a first connection plate; 4. a second connecting plate; 5. a hinge; 6. a first seal half-groove; 7. a second sealed half-groove; 8. a mounting hole; 9. a first oil collecting cavity; 10. a first photoelectric water immersion sensor; 11. a second oil collecting cavity; 12. a second photoelectric water immersion sensor; 13. a connecting clamping groove; 14. a wedge-shaped clamping plate; 15. a pull rod; 16. a first sealing hose; 17. a first expansion member; 18. a first hard tube; 19. a first blocking member; 20. a second sealing hose; 21. a second expansion member; 22. a second hard tube; 23. a second blocking member; 24. connecting a clamping block; 25. a wedge-shaped pressing plate; 26. installing a blind groove; 27. a return spring; 28. and (5) installing a sliding sleeve.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to the embodiment of the utility model, a leakage-proof early warning device for a bulb through-flow type unit sending bearing is provided.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-5, a leakage-proof early warning device for a bulb through-flow type unit sending bearing according to the embodiment of the utility model comprises a lower sealing valve 1 and an upper sealing valve 2, wherein a first sealing half groove 6 is symmetrically arranged on the opposite sides of the lower sealing valve 1 and the upper sealing valve 2, a first sealing hose 16 is embedded and installed in the first sealing half groove 6, a first expansion piece 17 is sleeved and installed in the first sealing hose 16, two ends of the first sealing hose 16 are symmetrically connected and installed with a first hard tube 18, one end of the first hard tube 18 is screwed with a first blocking piece 19, a second sealing half groove 7 is symmetrically arranged in a groove on the opposite side of the lower sealing valve 1 and the upper sealing valve 2, a second sealing hose 20 is embedded and installed in the second sealing half groove 7, a second expansion piece 21 is sleeved and installed in the second sealing hose 20, the second hard tube 22 is symmetrically connected and installed at the two ends of the second sealing hose 20, a second blocking piece 23 is screwed at one end of the second hard tube 22, a mounting hole 8 is formed in the lower part of the lower sealing half groove 7 of the lower sealing valve 1, two second hard tubes 22 are correspondingly inserted in the mounting hole 8, a second oil collecting cavity 11 is formed in the center of a groove of the lower sealing valve 1, a second photoelectric water logging sensor 12 is installed in the second oil collecting cavity 11, a first oil collecting cavity 9 is formed in the lower sealing valve 1, a first photoelectric water logging sensor 10 is installed in the first oil collecting cavity 9, the sealing effect of the bulb tubular generator set in the working process is further improved, when the sealing piece fails, a user can be timely warned, the user can timely handle the bulb tubular generator set, avoiding further losses.

In one embodiment, the first connecting plate 3 is symmetrically welded on two sides of the lower sealing valve 1, the second connecting plate 4 is symmetrically welded on two sides of the upper sealing valve 2, one side of the first connecting plate 3 and the second connecting plate 4 are connected through the hinge 5, the connecting clamping groove 13 is formed in the top surface of the first connecting plate 3 on the other side, the mounting blind groove 26 is formed in one side of the connecting clamping groove 13, the mounting sliding sleeve 28 is fixedly arranged in the center of one side of the mounting blind groove 26, the pull rod 15 is sleeved in the mounting sliding sleeve 28, the pull rod 15 is fixedly connected with the wedge clamping plate 14 at one end of the mounting blind groove 26, a plurality of return springs 27 are connected and installed between one side of the wedge clamping plate 14 and the inner wall of the mounting blind groove 26, the connecting clamping block 24 is fixedly welded on the bottom surface of the second connecting plate 4 on the other side, the wedge clamping plate 25 is fixedly welded on one side bottom end of the connecting clamping block 24, the connecting clamping block 24 is clamped in the connecting clamping groove 13, and accordingly, the mounting and dismounting efficiency of the bulb flow type unit generator bearing leakage-preventing device is greatly improved, and convenience is brought to workers for subsequent maintenance of bulb flow type generator bearings.

In one embodiment, the wedge clamping plate 14 and the wedge pressing plate 25 are each right trapezoid in cross-sectional shape.

In one embodiment, the second sealing hose 20 is circular in cross-sectional shape.

In one embodiment, the central axes of the lower sealing valve 1, the upper sealing valve 2, the second sealing half groove 7, the first oil collecting cavity 9 and the second oil collecting cavity 11 are in the same straight line.

In one embodiment, the first web 3 and the second web 4 are the same in cross-sectional size and shape.

Working principle: the utility model is provided with a lower sealing valve 1 and an upper sealing valve 2, when in installation and use, a worker firstly places and installs a bulb through-flow type machine transmitting bearing in the lower sealing valve 1, then a first hard pipe 18 which is installed at two ends of a first sealing hose 16 in a connecting way is correspondingly clamped and embedded in a first sealing half groove 6 which is arranged on the lower sealing valve 1, a second hard pipe 22 which is installed at two ends of a second sealing hose 20 in a connecting way is correspondingly clamped and embedded in an installation hole 8 which is arranged on the lower sealing valve 1, and the second sealing hose 20 is clamped and embedded in a second sealing half groove 7 which is arranged, as a first connecting plate 3 which is fixedly installed at one end of the lower sealing valve 1 is connected with a second connecting plate 4 which is fixedly installed at one end of the upper sealing valve 2 through a hinge 5, the upper sealing valve 2 can be rotationally covered on the lower sealing valve 1 through the hinge 5 and is locked and fixed through a fixing mechanism, at this time, the two first sealing hoses 16 are clamped and embedded in the two groups of first sealing half grooves 6, the two second sealing hoses 20 are clamped and embedded in the two groups of second sealing half grooves 7, finally, workers respectively inject the two first sealing hoses 16 and the two second sealing hoses 20 into the first sealing half grooves, and respectively close the opening of the first hard tube 18 and the opening of the second hard tube 22 through the first sealing piece 19 and the second sealing piece 23, at this time, the first expansion piece 17 sleeved in the first sealing hose 16 and the second expansion piece 21 sleeved in the second sealing hose 20 are expanded after contacting water, the sealing cavities formed by the lower sealing valve 1 and the upper sealing valve 2 are sealed by the expanded first sealing hose 16 and the expanded second sealing hose 20, so that the hair bearing can be better sealed, the hair bearing oil leakage is prevented, the safe operation of the machine set is ensured, and when the sealing parts fail, the leaked oil can fall into the second oil collecting cavity 11 or penetrate into the first oil collecting cavity 9 arranged in the lower sealing valve 1 through the first sealing hose 16, the first photoelectric water logging sensor 10 is arranged in the first oil collecting cavity 9, the second photoelectric water logging sensor 12 is arranged in the second oil collecting cavity 11, oil leakage signals can be transmitted to an external early warning system, so that the user can be timely warned, the user can timely process the oil leakage signals, further loss is avoided, in addition, the utility model is provided with the first connecting plate 3 and the second connecting plate 4, as mentioned above, the first connecting plate 3 fixedly arranged at one end of the lower sealing valve 1 is connected with the second connecting plate 4 fixedly arranged at one end of the upper sealing valve 2 through the hinge 5, when the upper sealing valve 2 can be rotationally covered on the lower sealing valve 1 through the hinge 5, the connecting clamping block 24 welded on the bottom surface of the first connecting plate 3 arranged at the other end of the upper sealing valve 2 is clamped and embedded into the connecting clamping groove 13 formed on the top surface of the first connecting plate 3 arranged at the other end of the lower sealing valve 1, in the process, the wedge-shaped clamping plate 25 fixedly arranged at one side of the connecting clamping block 24 pushes the arranged wedge-shaped clamping plate 14 into the mounting blind groove 26 and compresses the reset spring 27 arranged between the wedge-shaped clamping plate 14 and the inner wall of the mounting blind groove 26, when the wedge-shaped clamping plate 25 moves below the wedge-shaped clamping plate 14, the wedge-shaped clamping plate 14 is reset under the elastic force of the reset spring 27, so that the connecting clamping block 24 and the wedge-shaped clamping plate 25 can be limited and fixed, the first connecting plate 3 and the second connecting plate 4 are fixedly connected, the locking mounting of the lower sealing valve 1 and the upper sealing valve 2 is completed, when the lower sealing valve 1 and the upper sealing valve 2 are required to be separated, the wedge-shaped clamping plate 14 is driven to move only by pulling the pull rod 15 arranged in the mounting sliding sleeve 28, the connecting clamping block 24 and the wedge-shaped pressing plate 25 are separated from the connecting clamping groove 13, the operation is simple and convenient, the installation and disassembly efficiency of the leakage-proof early warning device of the bulb through-flow type unit sending bearing is greatly improved, and convenience is brought to subsequent maintenance of the bulb through-flow type unit sending bearing by workers.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a bulb through-flow unit send guide bearing leak protection early warning device, includes lower sealing lamella (1) and last sealing lamella (2), its characterized in that, first sealing half groove (6) have been seted up to lower sealing lamella (1) and the opposite one side symmetry of last sealing lamella (2), and first sealing half groove (6) interior inlay card is installed first sealing hose (16), and first sealing hose (16) endotheca has first expansion member (17), first hard tube (18) are installed in first sealing hose (16) both ends symmetry connection, and first hard tube (18) one end has twisted first shutoff piece (19) of having connected, second sealing half groove (7) have been seted up to lower sealing lamella (1) and the opposite one side recess of last sealing lamella (2) symmetry, and second sealing half groove (7) interior inlay card is installed second sealing hose (20) to second sealing hose (20) interior cup joint second expansion member (21), second hard tube (22) are installed in second sealing hose (20) both ends symmetry connection, and second hard tube (22) are installed, and second hard tube (22) are screwed up first shutoff piece (19) are located two side seal half groove (7) are located down in the recess (1), and a second photoelectric water logging sensor (12) is arranged in the second oil collecting cavity (11), a first oil collecting cavity (9) is arranged in the lower sealing valve (1), and a first photoelectric water logging sensor (10) is arranged in the first oil collecting cavity (9).

2. The leakage-proof early warning device for the bulb through-flow unit emission guide bearing according to claim 1, wherein a first connecting plate (3) is symmetrically welded on two sides of the lower sealing valve (1), a second connecting plate (4) is symmetrically welded on two sides of the upper sealing valve (2), one side of the first connecting plate (3) and the second connecting plate (4) are connected through a hinge (5), a connecting clamping groove (13) is formed in the top surface of the first connecting plate (3) on the other side, a mounting blind groove (26) is formed in one side of the connecting clamping groove (13), a mounting sliding sleeve (28) is fixedly mounted on one side of the mounting blind groove (26), a pull rod (15) is sleeved in the mounting sliding sleeve (28), a plurality of reset springs (27) are fixedly connected between one side of the mounting blind groove (26) and the inner wall of the mounting blind groove (14), a connecting clamping block (24) is fixedly welded on the bottom surface of the second connecting plate (4), a clamping block (25) is fixedly welded on one side of the connecting clamping block (24), and the clamping block (24) is fixedly welded on the bottom end of the connecting block (24).

3. The leakage-proof early warning device for the bulb through-flow type unit sending bearing according to claim 2, wherein the cross section shapes of the wedge-shaped clamping plate (14) and the wedge-shaped pressing plate (25) are right trapezoid.

4. The leakage prevention warning device for a bulb through-flow type unit emission guide bearing according to claim 1, wherein the cross section of the second sealing hose (20) is circular.

5. The leakage-proof early warning device for the bulb through-flow type unit emission guide bearing is characterized in that the central axes of the lower sealing valve (1), the upper sealing valve (2), the second sealing half groove (7), the first oil collecting cavity (9) and the second oil collecting cavity (11) are in the same straight line.

6. The leakage-proof early warning device for the bulb through-flow type unit emission guide bearing is characterized in that the cross sections of the first connecting plate (3) and the second connecting plate (4) are identical in size and shape.