CN217275810U - Underwater air bag driving telescopic sealing device - Google Patents

Underwater air bag driving telescopic sealing device Download PDF

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Publication number
CN217275810U
CN217275810U CN202220970912.1U CN202220970912U CN217275810U CN 217275810 U CN217275810 U CN 217275810U CN 202220970912 U CN202220970912 U CN 202220970912U CN 217275810 U CN217275810 U CN 217275810U
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China
Prior art keywords
air bag
sealing device
plate
telescopic sealing
underwater
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Active
Application number
CN202220970912.1U
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Chinese (zh)
Inventor
孙伟鹏
纪煜
孙伟生
乔桂
江永
陈顺宝
王浩光
林典鹏
黄坚华
唐健
李立雄
陈延波
周雨锋
郭鹏飞
韩立
李永康
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Xian Thermal Power Research Institute Co Ltd
Shantou Power Plant of Huaneng Guangdong Energy Development Co Ltd
Original Assignee
Xian Thermal Power Research Institute Co Ltd
Shantou Power Plant of Huaneng Guangdong Energy Development Co Ltd
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Application filed by Xian Thermal Power Research Institute Co Ltd, Shantou Power Plant of Huaneng Guangdong Energy Development Co Ltd filed Critical Xian Thermal Power Research Institute Co Ltd
Priority to CN202220970912.1U priority Critical patent/CN217275810U/en
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Abstract

The utility model discloses an gasbag drive sealing device that stretches out and draws back under water, including square spout, go up drive gasbag, portable seal assembly, shell etc. The utility model discloses cooperation accurate positioning device work. The accurate positioning device can position the square nozzle in a row of condenser cooling pipes, and a sealing device is required to be configured to realize isolation of high-pressure ball throwing water and external circulating water, so that leakage of the ball throwing water is reduced, the pressure of the high-pressure ball throwing water is kept, and efficient cleaning is realized.

Description

Underwater air bag driving telescopic sealing device
Technical Field
The utility model belongs to the technical field of the condenser washs, concretely relates to gasbag drive sealing device under water.
Background
Energy conservation of the current thermal power generating unit needs to be further deepened, and a new energy-saving measure is difficult to be provided after the turbine body is subjected to through-flow transformation, so that the energy-saving potential needs to be excavated from an auxiliary machine, and the performance of the condenser is improved, and the backpressure of the thermal power generating unit is reduced, so that the energy-saving measure is very effective. For a seaside unit, because of more microbes in seawater and strong corrosivity, a condenser is difficult to keep better cleanliness, and the backpressure of the unit is influenced. In order to keep the condenser cleaning factor at a high value, the effect of the rubber ball cleaning needs to be improved. Therefore, a precise positioning rubber ball cleaning system is further needed, the precise positioning rubber ball cleaning system can precisely position the cooling pipe in the whole area, but a sealing device is needed to isolate high-pressure ball throwing water from external circulating water during cleaning, the pressure of the high-pressure ball throwing water is kept, and efficient cleaning is achieved.
Utility model
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an gasbag drive sealing device that stretches out and draws back under water to solve among the prior art gluey ball cleaning system because the sealing device breather pipe leaks the paralysed problem of system that causes.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
an underwater air bag driving telescopic sealing device comprises side panels which are oppositely arranged, wherein the same ends of the two side panels are connected with an end panel; the two side panels and the two end panels jointly form a tetrahedral frame, four internal panels are arranged inside the tetrahedral frame, the four internal panels are sequentially connected end to end, and a cavity is formed between the four internal panels and the tetrahedral frame;
an upper rubber air bag is arranged in the cavity, a movable square tube is arranged at the lower part of the upper rubber air bag, and a lower rubber air bag is arranged in the movable square tube; the lower part of the moving square pipe is provided with a rubber pad, the upper part of the rubber pad is provided with a bulge, the bulge is clamped in the moving square pipe, and a wall plate is arranged below the rubber pad.
The utility model discloses a further improvement lies in:
preferably, a ball inlet pipe is arranged between the upper parts of the two side panels.
Preferably, the movable square pipe comprises an upper plate, two side plates are arranged on two sides of the upper plate, and the lower ends of the two side plates are connected with a lower plate together.
Preferably, the lower plate is provided with a strip-shaped groove, and the width of the strip-shaped groove is smaller than the maximum diameter of the bulge.
Preferably, the tetrahedral frame is provided with a row of a plurality of positioning pins along the length direction, the positioning pins penetrate through the moving square tube, and each positioning pin is connected with the inner side plate through a bolt; the positioning pin is arranged at the lower part of the lower rubber air bag.
Preferably, a plurality of gaps are formed in the lower portions of the two side edges of the movable square pipe, and each gap corresponds to one positioning pin.
Preferably, a support plate is arranged between the lower rubber air bag and the positioning pin.
Preferably, the cross section of the upper rubber air bag and the cross section of the lower rubber air bag are both annular.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an gasbag drive sealing device that stretches out and draws back under water, this sealing device are putting in the other sealing device that sets up of rubber ball, including last rubber gasbag, removal side pipe and lower rubber gasbag, the inflation through last rubber gasbag among the sealing process for lower rubber gasbag downstream, and then promote the rubber pad downstream, rubber pad and wallboard contact are sealed. The utility model discloses cooperation accurate positioning device work, accurate positioning device can be located one row of condenser cooling tube with square spout, and configuration sealing device realizes that high pressure bowling water is kept apart with the external circulating water, reduces the leakage of bowling water, keeps the pressure of high pressure bowling water, realizes high-efficient washing, because every clean tube bank can both obtain better washing, so can keep the cleanness of condenser, maintains the unit and is in best backpressure. When the accurate positioning device walks and moves, the device can separate the accurate positioning device from the condenser tube plate, and the accurate positioning is conveniently realized. When the accurate positioning device moves to a target position, the device pushes out the sealing assembly to hermetically cover the cooling tube bank, so that high-pressure ball throwing water is isolated from external circulating water, the pressure of the high-pressure ball throwing water is kept, efficient cleaning is realized, a rubber ball cleaning effect is ensured, the cleanliness effect of the condenser is improved, and the effects of energy conservation and consumption reduction are achieved. Because this sealing device is under water work, but the probability that the trachea leakage trouble can greatly reduced to the reduction breather pipe interface. The rubber air bag is used as a driving piece, so that the interface of the vent pipeline is reduced to the minimum, and the running reliability of the system is greatly improved.
Furthermore, the upper part of the bulge is an incomplete spherical surface, and the width of the strip-shaped hole is smaller than the maximum diameter of the upper part of the bulge, so that the rubber pad can move in a matching way with the lower moving square pipe.
Furthermore, the movable square pipe is provided with a notch which is matched with the positioning pin, and when the movable square pipe moves downwards, the rubber pad is pushed to move downwards. Meanwhile, the positioning pin is fixed and used for supporting the lower rubber air bag.
Furthermore, the sections of the upper rubber air bag and the lower rubber air bag are both annular, so that the inner parts of the upper rubber air bag and the lower rubber air bag can be filled with gas.
Drawings
Fig. 1 is a front view of the system of the present invention;
FIG. 2 is a top view cross-section of the system of the present invention;
fig. 3 is a side cross-sectional view of the system of the present invention;
wherein: 1. a ball inlet pipe; 2. a side panel; 3. an end plate; 4. a rubber air bag is arranged; 5. throwing a ball square tube; 6. a rubber seal assembly; 7. moving the square tube; 8. a lower rubber air bag; 9. a support plate; 10. positioning pins; 11. a rubber pad; 12-a wall plate; 13-an inner plate; 14-a cavity; 16-a gap; 17-a bump; 19-upper top plate; 7-1-upper plate; 7-2-side plate; 7-3-lower plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic diagram of the present invention, and the following description is further detailed with reference to fig. 1.
The utility model discloses a relative two side panels 2, each tip of two side panels 2 all is connected with an end plate 3 jointly, and a cuboid frame construction is constituteed to two end plates 3 and two side panels 2.
The cuboid frame structure is internally provided with four inner plates 13, the four inner plates 13 are sequentially connected end to form an internal cuboid frame, each inner plate 13 corresponds to one end plate 3 or one side panel 2, and the four inner plates 13, the end plates 3 and the side panels 2 jointly form a cavity 14. The upper end of each inner plate 13 and its corresponding end 18 or side panel are fixedly connected by bolts, the inner plates 13 are provided with inclined sections so that cavity spaces are left between the lower part of the inner plate 13 and the side panels 2, and between the inner plate 13 and the end panels 3, forming a cavity 14 for placing a seal assembly.
A sealing assembly is arranged in the cavity 14, and an upper rubber airbag 4, a movable square tube 7, a lower rubber airbag 8, a supporting plate 9, a positioning pin 10 and a rubber pad 11 are sequentially arranged in the cavity 14 from top to bottom.
An upper top plate 19 is arranged at the upper part of the upper rubber air bag 4, the upper top plate 19 is clamped between the inner plate 13 and the side plate 2 or between the inner plate 13 and the end plate 3, and the upper top plate 19 is used for limiting the upper rubber air bag 4.
A moving square tube 7 is arranged at the lower part of the upper rubber air bag 4 in a clinging manner, and the moving square tube 7 comprises an upper plate 7-1, two side plates 7-2 and a lower plate 7-3; the two sides of the upper plate 7-1 are respectively connected with the upper end of one side plate 7-2, and the two sides of the lower plate 7-3 are respectively connected with the lower side of one side plate 7-2. The movable square tube 7 is annularly arranged around the whole cavity 14, and the cross section of the movable square tube 7 is quadrilateral. Each side plate 7-2 is provided with a notch 16 at the position of each positioning pin 10, so that the inner side plate 7-2 and the outer side plate 7-2 are provided with a plurality of notches 16 along the length direction, and one notch 16 on the inner side plate 7-2 and one notch 16 on the outer side plate 7-2 correspond to one positioning pin 10 together.
Along the length direction of the side panel 2, the side panel 2 and the end plate 3 are provided with a row of a plurality of positioning pins 10, all the positioning pins 10 are positioned on the same horizontal plane, and each positioning pin 10 is connected with an inner side plate 13 by a bolt, so that the positioning pins 10 can be fixedly arranged between the side panel 2 and the inner side plate 13; each positioning pin 10 sequentially penetrates through the side panel 2, the external side panel 7-2, the internal side panel 7-2, the corresponding side panel 2 and the corresponding end panel 3 from outside to inside, the supporting plate 9 is erected on all the positioning pins 10, the lower rubber air bag 8 is arranged inside the moving square tube 7, the lower rubber air bag 8 is arranged on the supporting plate 9, and the supporting plate 9 supports the lower rubber air bag 8.
The upper rubber air bag 4 and the lower rubber air bag 8 are both annular air bags, and the interiors of the annular air bags can be inflated. And meanwhile, the material has compressibility. The gas filling amount of the upper rubber air bag 4 is larger than the gas filling amount of the lower rubber air bag 8.
An upward bulge 17 is arranged at the central part of the rubber pad 11 along the length direction, the bulge 17 penetrates through the lower plate 7-3, the section of the bulge 17 is in an arc shape, and the maximum diameter of the bulge 17 is larger than the width of a strip-shaped groove formed in the lower plate 7-3. The lower plate 7-3 is provided with a circle of strip-shaped groove along the length direction, the upper part of the bulge 17 penetrates through the strip-shaped groove and is clamped in the strip-shaped groove, so that the bulge 17 is arranged at the upper part of the lower plate 7-31, and the rubber pad 11 is arranged at the lower part of the lower plate 7-3.
A wall plate 12 is arranged below the rubber pad 11.
The utility model discloses a working process does:
when sealing is needed, the inner part of the upper rubber air bag 4 is inflated to expand, the movable square tube 7 is pushed to move downwards, the movable square tube 7 compresses the lower rubber air bag 8 in the movable square tube 7, in the downward movement process of the movable square tube 7, the notch 16 moves downwards relative to the positioning pin 10, the positioning pin 10 is still, the lower rubber air bag 8 is compressed by the upper plate 7-1 and the supporting plate 9, and the lower part of the movable square tube 7 pushes the rubber pad 11 to move downwards until the rubber pad 11 is in contact with the wall plate 12 for sealing. The inner part and the outer part of the pitching square tube 5 are isolated from each other to achieve the sealing effect.
When the cleaning is finished and recovered, the upper rubber air bag 4 is not inflated any more, the upper rubber air bag starts to shrink, the moving square tube 7 does not bear downward force any more, the lower rubber air bag 8 starts to recover, meanwhile, the moving square tube 7 is pushed to move upwards, and meanwhile, the lower plate 7-3 drives the rubber pad 11 to move upwards through the bulge and recover to the original position.
Effect of putting into operation
Utility model cooperation accurate positioning device works. When the accurate positioning device moves, the device can separate the accurate positioning device from the tube plate of the condenser, and the accurate positioning is conveniently realized. When the accurate positioning device moves to a target position, the device pushes out the sealing assembly, sealing and covering of the cooling pipe plate are achieved, isolation of high-pressure ball throwing water and external circulating water is achieved, pressure of the high-pressure ball throwing water is kept, and efficient cleaning is achieved. Because each cleaning tube bundle can be well cleaned, the condenser can be kept clean, the unit is maintained at the optimal backpressure, the cleanliness of the condenser is improved, and the effects of energy conservation and consumption reduction are achieved.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The underwater air bag driving telescopic sealing device is characterized by comprising side panels (2) which are oppositely arranged, wherein the same ends of the two side panels (2) are connected with an end plate (3) together; the two side panels (2) and the two end panels (3) jointly form a tetrahedral frame, four inner plates (13) are arranged inside the tetrahedral frame, the four inner plates (13) are sequentially connected end to end, and a cavity (14) is arranged between the four inner plates (13) and the tetrahedral frame;
an upper rubber air bag (4) is arranged in the cavity (14), a moving square tube (7) is arranged at the lower part of the upper rubber air bag (4), and a lower rubber air bag (8) is arranged in the moving square tube (7); the lower part of the moving square pipe (7) is provided with a rubber pad (11), the upper part of the rubber pad (11) is provided with a bulge (17), the bulge (17) is clamped in the moving square pipe (7), and a wall plate (12) is arranged below the rubber pad (11).
2. An underwater air bag driven telescopic sealing device according to claim 1, characterized in that a ball inlet pipe (1) is arranged between the upper parts of the two side panels (2).
3. The underwater airbag-driven telescopic sealing device as claimed in claim 1, wherein the moving square tube (7) comprises an upper plate (7-1), two side plates (7-2) are arranged on two sides of the upper plate (7-1), and lower ends of the two side plates (7-2) are connected with a lower plate (7-3) together.
4. An underwater airbag-driven telescopic sealing device as claimed in claim 3, characterized in that the lower plate (7-3) is provided with a strip-shaped groove, the width of which is smaller than the maximum diameter of the protrusion (17).
5. An underwater air bag driving telescopic sealing device according to claim 1, wherein a row of a plurality of positioning pins (10) is arranged on the tetrahedral frame along the length direction, the positioning pins (10) penetrate through the moving square tube (7), and each positioning pin (10) is connected with the inner plate (13) through a bolt; the positioning pin (10) is arranged at the lower part of the lower rubber air bag (8).
6. The underwater airbag-driven telescopic sealing device as claimed in claim 5, wherein a plurality of gaps (16) are formed at the lower parts of two side edges of the moving square pipe (7), and one gap (16) corresponds to one positioning pin (10).
7. An underwater air bag driven telescopic sealing device according to claim 5, characterized in that a support plate (9) is arranged between the lower rubber air bag (8) and the positioning pin (10).
8. An underwater air bag driven telescopic sealing device according to any one of claims 1 to 7, characterized in that the cross section of the upper rubber air bag (4) and the lower rubber air bag (8) is annular.
CN202220970912.1U 2022-04-25 2022-04-25 Underwater air bag driving telescopic sealing device Active CN217275810U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220970912.1U CN217275810U (en) 2022-04-25 2022-04-25 Underwater air bag driving telescopic sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220970912.1U CN217275810U (en) 2022-04-25 2022-04-25 Underwater air bag driving telescopic sealing device

Publications (1)

Publication Number Publication Date
CN217275810U true CN217275810U (en) 2022-08-23

Family

ID=82878660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220970912.1U Active CN217275810U (en) 2022-04-25 2022-04-25 Underwater air bag driving telescopic sealing device

Country Status (1)

Country Link
CN (1) CN217275810U (en)

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