CN116002234A

CN116002234A - Box-type inner floating disc for storage tank

Info

Publication number: CN116002234A
Application number: CN202310057006.1A
Authority: CN
Inventors: 杨思和
Original assignee: Lianyungang Gongding Petrochemical Machinery Manufacturing Co ltd
Current assignee: Lianyungang Gongding Petrochemical Machinery Manufacturing Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-04-25

Abstract

The invention relates to the technical field of inner floating plates, in particular to a box-type inner floating plate for a storage tank, which comprises a fixed ring, wherein a plurality of floating boxes are arranged in the fixed ring and are connected through a connecting mechanism, an abutting mechanism is arranged on the fixed ring, and a hoisting mechanism is connected on the abutting mechanism; the connecting mechanism comprises a clamping assembly, an automatic locking assembly and an air leakage warning assembly. This box inner floating disc for storage tank through setting up automatic locking subassembly, can be when taking place the oil gas leakage, drives the threaded rod through the oil gas that leaks and rotates to draw the distance between two buoyancy tanks through screw drive, make the laminating between the buoyancy tanks inseparabler, in time stop the leakage of oil gas, improved the security.

Description

Box-type inner floating disc for storage tank

Technical Field

The invention relates to the technical field of inner floating plates, in particular to a box-type inner floating plate for a storage tank.

Background

At present, in the petrochemical industry storage technology, in order to reduce volatilization of materials in a storage tank, an inner floating roof storage tank is generally adopted, and an inner floating disc moves synchronously along with the liquid level in the storage tank, so that contact between the materials and the atmosphere is limited, and volatilization of the materials is reduced. The box-type floating disc adopts a full liquid receiving technology mode, so that oil gas volatilization can be effectively reduced, and meanwhile, the weight of the box-type floating disc is smaller than that of a steel floating disc, so that the box-type floating disc is widely applied.

In the prior art, as disclosed in publication number CN113734632a, two adjacent floating boxes are fixed by bolts, so that the floating boxes cannot be completely attached in the installation process, and meanwhile, whether the floating boxes are attached or not cannot be judged, so that gaps are easily generated between the floating boxes after installation, and oil gas leakage is caused; along with the increase of the service time of the inner floating disc, loosening and even damage easily occur among all structures, gaps among floating boxes can be gradually increased, the probability of oil gas leakage is improved, and potential safety hazards are increased. In addition, when the existing box-type inner floating disc is damaged and needs to be taken out, the bottom of the existing box-type inner floating disc is completely attached to the oil surface, so that the existing box-type inner floating disc is not easy to take out due to overlarge adsorption force, and the working difficulty is increased. In view of this, we propose a tank-type inner floating disc for a storage tank.

Disclosure of Invention

The invention aims to provide a box-type inner floating disc for a storage tank, which solves the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the box-type inner floating disc for the storage tank comprises a fixed ring, wherein a plurality of floating boxes are arranged in the fixed ring, the floating boxes are connected through a connecting mechanism, an abutting mechanism is arranged on the fixed ring, and a hoisting mechanism is connected to the abutting mechanism; the connecting mechanism comprises a clamping assembly, an automatic locking assembly and an air leakage warning assembly.

Preferably, the clamping assembly comprises a butt joint plate and a clamping block, the butt joint plate is fixedly arranged on one side of the floating box, a butt joint groove which is matched with the butt joint plate is formed in the other side of the floating box, one end of the clamping block is positioned in the butt joint groove, the other end of the clamping block is elastically connected with the inner wall of the floating box through a first spring, and a clamping groove which is matched with the clamping block is formed in the surface of the butt joint plate.

Preferably, the automatic locking assembly comprises a rotating shaft, the rotating shaft is rotatably installed on the inner wall of the butt joint groove, one end of the rotating shaft is fixedly connected with a threaded rod, a threaded hole which is adaptive to the threaded rod is formed in one end of the butt joint plate, a pull rope is wound on the surface of the rotating shaft, one end of the pull rope, which is far away from the rotating shaft, is fixedly connected with a first sealing plug, and the first sealing plug piston is installed on the inner wall of the buoyancy tank.

Preferably, the air leakage warning assembly comprises a supporting seat, the supporting seat is fixedly arranged at the top of the buoyancy tank, a connecting rod is rotatably arranged on the supporting seat, a supporting rod is fixedly connected with the surface of the connecting rod, and a sign board is fixedly connected with the surface of the supporting rod.

Preferably, the air leakage warning assembly further comprises a second sealing plug, the second sealing plug piston is mounted on the inner wall of the buoyancy tank, a rack is fixedly mounted at one end, away from the first sealing plug, of the second sealing plug, a gear is meshed with the surface of the rack, and the gear is fixedly mounted on the connecting rod.

Preferably, the air leakage warning assembly further comprises a push rod, the push rod is located under the second sealing plug, and the bottom end of the push rod is fixedly installed at the top of the first sealing plug.

Preferably, the abutting mechanism comprises an annular elastic piece, one end of the annular elastic piece is fixedly arranged on the fixing ring, the other end of the annular elastic piece is contacted with an annular pressing plate, a connecting ring is fixedly connected to the annular pressing plate, and the surface of the connecting ring is in threaded connection with the inner wall of the fixing ring.

Preferably, the hoisting mechanism comprises two fixing hooks, the two fixing hooks are fixedly arranged on the annular pressing plate, the two fixing hooks are symmetrically distributed by taking the central line of the annular pressing plate as a symmetrical axis, the two fixing hooks are movably connected with movable hooks, the top ends of the movable hooks are fixedly connected with ropes, the top ends of the ropes are fixedly connected with fixing rods, the fixing rods are far away from one end of each rope and are fixedly connected with hanging rings, and shaking components are arranged between the fixing rods and the connecting rings.

Preferably, the shake subassembly is including the layer board, layer board fixed mounting is in on the go-between, rotate on the layer board and install there is the horizontal pole, the horizontal pole is close to the one end slip of go-between and runs through there is the striking pole, the one end of striking pole is through the inner wall elastic connection of second spring and horizontal pole, the other end contact of striking pole has the lug, lug fixed mounting is in on the inner circumference of go-between.

Preferably, the shake subassembly is still including the mount, mount fixed mounting is in on the dead lever, fixed mounting has driving motor on the mount, driving motor's output fixed mounting has interior inserted bar, the horizontal pole is kept away from the one end fixedly connected with sleeve of striking pole, interior inserted bar is pegged graft in the sleeve, interior inserted bar's surface has protruding portion, telescopic inside has the depressed part that suits with protruding portion, protruding portion and the mutual joint of depressed part.

By means of the technical scheme, the invention provides the box-type inner floating disc for the storage tank. The method has at least the following beneficial effects:

(1) This box inner floating disc for storage tank through setting up automatic locking subassembly, can be when taking place the oil gas leakage, drives the threaded rod through the oil gas that leaks and rotates to draw the distance between two buoyancy tanks through screw drive, make the laminating between the buoyancy tanks inseparabler, in time stop the leakage of oil gas, improved the security.

(2) This box inner floating disc for storage tank through setting up gas leakage warning subassembly, can lead to two buoyancy tanks unable complete laminating when the buoyancy tank damages, takes place the swing through the oil gas drive sign of leaking to make people can observe the condition that oil gas leaked, be convenient for in time repair or change inner floating disc, avoid causing more loss.

(3) This box inner floating disc for storage tank through setting up the butt mechanism, can utilize the deformation of annular shell fragment to promote its laminating with the storage tank inner wall to improve the leakproofness of inner floating disc, further prevent that oil gas from volatilizing, through setting up hoist and mount mechanism, the interior floating disc of being convenient for is got in the storage tank and is put.

(4) This box inner floating disc for storage tank through setting up the shake subassembly, can be when taking out inner floating disc from the storage tank, promotes that inner floating disc vibrates to make and produce the clearance between its and the oil level, with the adsorption affinity between reduction inner floating disc and the oil level, be convenient for take out inner floating disc.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of an abutment mechanism according to the present invention;

FIG. 3 is a schematic view of a hoisting mechanism according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;

FIG. 5 is a schematic view of a connecting ring according to the present invention;

FIG. 6 is a schematic view of a ring spring according to the present invention;

FIG. 7 is a schematic view of a buoyancy tank according to the present invention;

FIG. 8 is a cross-sectional view of the buoyancy tank of the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 8B in accordance with the present invention;

fig. 10 is a schematic view of an automatic locking assembly according to the present invention.

In the figure: 1. a fixing ring; 2. a buoyancy tank; 21. a butt joint groove; 3. an abutment mechanism; 31. an annular spring plate; 32. an annular pressing plate; 33. a dithering assembly; 331. a supporting plate; 332. a cross bar; 333. a sleeve; 334. an inner insert rod; 335. a fixing frame; 336. a driving motor; 337. a bump; 338. a second spring; 339. a striker rod; 34. a connecting ring; 4. a hoisting mechanism; 41. a fixed hook; 42. a movable hook; 43. a rope; 44. a fixed rod; 45. a hanging ring; 5. a connecting mechanism; 51. a clamping assembly; 511. an abutting plate; 5111. a threaded hole; 512. a clamping block; 513. a first spring; 52. an automatic locking assembly; 521. a rotating shaft; 522. a pull rope; 523. a first sealing plug; 524. a threaded rod; 53. an air leakage warning component; 531. a push rod; 532. a second sealing plug; 533. a rack; 534. a gear; 535. a support base; 536. a connecting rod; 537. a support rod; 538. indication board.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

referring to fig. 7-10, the tank type inner floating disc for the storage tank provided by the invention comprises a fixed ring 1, wherein a plurality of floating tanks 2 are arranged in the fixed ring 1, and the plurality of floating tanks 2 are connected through a connecting mechanism 5. The connecting mechanism 5 comprises a clamping assembly 51 for clamping the two buoyancy tanks 2 together; an automatic locking assembly 52 for improving the tightness between the two buoyancy tanks 2; and a leakage warning component 53 for sending a warning signal to the leakage phenomenon of the oil tank.

Wherein, joint subassembly 51 is including butt plate 511 and fixture block 512, butt plate 511 fixed mounting is in one side of buoyancy tank 2, butt joint groove 21 that suits with butt plate 511 has been seted up to the opposite side of buoyancy tank 2, the one end of fixture block 512 is located butt joint groove 21, the other end of fixture block 512 is through first spring 513 and the inner wall elastic connection of buoyancy tank 2, the draw-in groove that suits with fixture block 512 has been seted up on the surface of butt plate 511, be provided with the inclined plane on the fixture block 512, when butt plate 511 inserts in butt joint groove 21, upwards promote fixture block 512 through the inclined plane, and then make fixture block 512 automatically enter into the draw-in groove, realize the joint with butt plate 511.

Further, the automatic locking assembly 52 includes a rotating shaft 521, the rotating shaft 521 is rotatably mounted on the inner wall of the docking slot 21, one end of the rotating shaft 521 is fixedly connected with a threaded rod 524, one end of the docking plate 511 is provided with a threaded hole 5111 adapted to the threaded rod 524, a pull rope 522 is wound on the surface of the rotating shaft 521, one end of the pull rope 522, far away from the rotating shaft 521, is fixedly connected with a first sealing plug 523, the first sealing plug 523 is mounted on the inner wall of the buoyancy tank 2, when gas enters into a gap between two buoyancy tanks 2, the gas can enter into the docking slot 21 along the gap between the docking plate 511 and the docking slot 21, then the first sealing plug 523 is pushed upwards, the first sealing plug 523 pulls the pull rope 522, so that the rotating shaft 521 rotates, the threaded rod 524 is driven by the rotating shaft 521 to rotate, the docking plate 511 is driven to extend into the docking slot 21 by screw transmission in the rotating process, and one buoyancy tank 2 approaches to the other buoyancy tank 2, so that the docking between the two buoyancy tanks 2 is more tightly attached.

Still further, the air leakage warning assembly 53 comprises two supporting seats 535, the two supporting seats 535 are fixedly mounted at the top of the buoyancy tank 2, a connecting rod 536 is rotatably mounted between the two supporting seats 535, two supporting rods 537 are fixedly connected to the surface of the connecting rod 536, and an indication board 538 is fixedly connected between the two supporting rods 537, and in an initial state, the indication board 538 is horizontally placed at the top of the buoyancy tank 2. The air leakage warning component 53 further comprises a second sealing plug 532, the second sealing plug 532 is mounted on the inner wall of the buoyancy tank 2 in a piston manner, a rack 533 is fixedly mounted at one end, far away from the first sealing plug 523, of the second sealing plug 532, a gear 534 is meshed with the surface of the rack 533, and the gear 534 is fixedly mounted on the connecting rod 536. The air leakage warning component 53 further comprises a push rod 531, the push rod 531 is located under the second sealing plug 532, and the bottom end of the push rod 531 is fixedly installed at the top of the first sealing plug 523. If the buoyancy tank 2 is damaged, the automatic locking component 52 cannot enable the two buoyancy tanks 2 to be completely attached, leaked gas can continuously push the first sealing plug 523 upwards, when the gas reaches a certain amount, the push rod 531 at the top of the first sealing plug 523 is enabled to be in contact with the second sealing plug 532, the second sealing plug 532 is driven to move upwards, the second sealing plug 532 drives the rack 533 to move upwards, the gear 534 is driven to rotate through meshing, the gear 534 drives the connecting rod 536 to rotate, and the connecting rod 536 drives the indication board 538 to swing upwards through the supporting rod 537, so that a certain angle is formed between the indication board 538 and the buoyancy tank 2, and the purpose of reminding is achieved.

When the floating box is used, the abutting plate 511 on one floating box 2 is inserted into the other floating box 2, the abutting plate 511 pushes the clamping block 512 upwards through the inclined plane in the moving process, when the two floating boxes 2 are in contact, the clamping groove on the abutting plate 511 moves right below the clamping block 512, at the moment, the clamping block 512 moves downwards under the elasticity of the first spring 513 and enters the clamping groove, and the clamping connection with the abutting plate 511 is achieved, so that the floating boxes 2 are installed and fixed. Finally, the outermost buoyancy tank 2 is fixed on the inner wall of the fixed ring 1, so that the inner buoyancy disc is integrally formed.

In the use process of the inner floating disc, if gas leaks from between the two floating boxes 2, the leaked gas can enter the butt joint groove 21, when the gas in the butt joint groove 21 reaches a certain amount, the first sealing plug 523 can be pushed upwards, the first sealing plug 523 pulls the pull rope 522, so that the rotating shaft 521 rotates, the rotating shaft 521 drives the threaded rod 524 to rotate, the threaded rod 524 drives the butt joint plate 511 to penetrate into the butt joint groove 21 through spiral transmission in the rotating process, one floating box 2 is close to the other floating box 2, the joint between the two floating boxes 2 is tighter, and continuous leakage of the gas is avoided. In the use process of the inner floating disc, if the floating box 2 is damaged, the two floating boxes 2 cannot be completely attached to each other, then gas in the butt joint groove 21 is continuously increased, the first sealing plug 523 is continuously pushed upwards, when the gas reaches a certain amount, the push rod 531 at the top of the first sealing plug 523 is enabled to be in contact with the second sealing plug 532, the second sealing plug 532 is driven to move upwards, the second sealing plug 532 drives the rack 533 to move upwards, the gear 534 is driven to rotate through meshing, the gear 534 drives the connecting rod 536 to rotate, the connecting rod 536 drives the indication board 538 to swing upwards through the supporting rod 537, and a certain angle is formed between the indication board 538 and the floating box 2, so that people can know the condition of gas leakage.

Embodiment two:

referring to fig. 1-6, an abutment mechanism 3 is disposed on the fixing ring 1 to improve the fit between the fixing ring 1 and the storage tank, and a hoisting mechanism 4 is connected to the abutment mechanism 3 to facilitate the taking and placing of the inner floating disc in the storage tank.

Specifically, the abutting mechanism 3 comprises an annular elastic piece 31, one end of the annular elastic piece 31 is fixedly installed on the fixed ring 1, the other end of the annular elastic piece 31 is contacted with an annular pressing plate 32, a connecting ring 34 is fixedly connected to the annular pressing plate 32, and the surface of the connecting ring 34 is in threaded connection with the inner wall of the fixed ring 1. Through the threaded connection of go-between 34 and solid fixed ring 1, can drive annular clamp plate 32 downwardly moving for annular clamp plate 32 extrudees annular shell fragment 31, promotes the deformation of annular shell fragment 31, makes the surface of annular shell fragment 31 and the inner wall of storage tank contact each other.

In this embodiment, the hoisting mechanism 4 includes two fixing hooks 41, the two fixing hooks 41 are all fixedly mounted on the annular pressing plate 32, and the two fixing hooks 41 are symmetrically distributed with the central line of the annular pressing plate 32 as a symmetrical axis, the two fixing hooks 41 are all movably connected with movable hooks 42, the top end of the movable hooks 42 is fixedly connected with a rope 43, the top end of the rope 43 is fixedly connected with a fixing rod 44, one end of the fixing rod 44 away from the rope 43 is fixedly connected with a hanging ring 45, the fixing rod 44 and the movable hooks 42 are made of hard metal, the rope 43 is made of soft materials, the movable hooks 42 are conveniently hooked on the fixing hooks 41, and when in use, the hanging ring 45 is pulled upwards through an external lifting device, and the inner floating disc can be lifted.

When the inner floating disc is used, in the assembly process of the inner floating disc, the connecting ring 34 is connected with the threads of the fixing ring 1, the fixing ring 1 drives the annular pressing plate 32 to move downwards, the annular elastic sheet 31 at the top of the fixing ring 1 is extruded, the annular elastic sheet 31 is caused to deform, the surface of the annular elastic sheet 31 can be in contact with the inner wall of the storage tank, and the fit degree between the inner floating disc and the storage tank is improved. The lifting ring 45 is downwards placed through the external lifting device, so that the inner floating disc enters the storage tank under the gravity to be attached to the oil surface, and the inner floating disc is installed.

Embodiment III:

referring to fig. 2-5, on the basis of the second embodiment, a shaking assembly 33 is disposed between the fixing rod 44 and the connecting ring 34, and when the inner floating disc is taken out, the shaking assembly 33 can promote the vibration of the inner floating disc, so that a gap is generated between the inner floating disc and the oil surface, thereby reducing the adsorption force between the inner floating disc and the oil surface, and facilitating the inner floating disc to be taken out.

Specifically, the shake assembly 33 includes a support plate 331, the support plate 331 is fixedly mounted on the connection ring 34, the support plate 331 is rotatably mounted on the cross bar 332, one end of the cross bar 332, which is close to the connection ring 34, slides and penetrates through an impact bar 339, one end of the impact bar 339 is elastically connected with the inner wall of the cross bar 332 through a second spring 338, the other end of the impact bar 339 contacts with a bump 337, the bump 337 is fixedly mounted on the inner circumference of the connection ring 34, a plurality of bumps 337 are distributed in a circular array, and spaces exist between adjacent bumps 337, the impact bar 339 moves between the bumps 337 through the rotation of the cross bar 332, and when the impact bar 339 moves into a gap between two bumps 337, the impact bar is outwards ejected under the action of the second spring 338 and impacts on the connection ring 34, so that the connection ring 34 vibrates. The shake assembly 33 further comprises a fixing frame 335, the fixing frame 335 is fixedly mounted on the fixing rod 44, a driving motor 336 is fixedly mounted on the fixing frame 335, an inner inserting rod 334 is fixedly mounted at the output end of the driving motor 336, one end of the cross rod 332, which is far away from the impact rod 339, is fixedly connected with a sleeve 333, the inner inserting rod 334 is inserted into the sleeve 333, a protrusion part is arranged on the surface of the inner inserting rod 334, a concave part which is matched with the protrusion part is arranged inside the sleeve 333, the protrusion part and the concave part are mutually clamped to limit the relative rotation between the inner inserting rod 334 and the sleeve 333, the sleeve 333 can rotate along with the rotation of the inner inserting rod 334, and meanwhile, the inner inserting rod 334 is conveniently taken out from the sleeve 333, so that the driving motor 336, the sleeve 333 and the hoisting mechanism 4 can be independently stored.

When the inner floating disc is required to be taken out, the lifting ring 45 is pulled upwards through the external lifting equipment, so that the inner floating disc can be lifted, the driving motor 336 is started in the lifting process, the output end of the driving motor 336 drives the inner inserting rod 334 to rotate, the inner inserting rod 334 drives the sleeve 333 to rotate, the sleeve 333 drives the cross rod 332 to rotate, the impact rod 339 moves between the protruding blocks 337, when the impact rod 339 moves into a gap between the two protruding blocks 337, the impact rod 339 can be outwards ejected under the action of the second spring 338 and impacted on the connecting ring 34, the connecting ring 34 is vibrated, the vibration of the inner floating disc is promoted, a gap is generated between the inner floating disc and an oil surface, and the absorption force between the inner floating disc and the oil surface is reduced, so that the inner floating disc is conveniently taken out.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a box inner floating disc for storage tank, includes solid fixed ring (1), be provided with a plurality of buoyancy tanks (2), its characterized in that in solid fixed ring (1): the plurality of buoyancy tanks (2) are connected through a connecting mechanism (5), an abutting mechanism (3) is arranged on the fixed ring (1), and a hoisting mechanism (4) is connected to the abutting mechanism (3); the connecting mechanism (5) comprises a clamping assembly (51), an automatic locking assembly (52) and an air leakage warning assembly (53).

2. The tank-type inner floating disc according to claim 1, wherein: the clamping assembly (51) comprises a butt joint plate (511) and a clamping block (512), the butt joint plate (511) is fixedly arranged on one side of the buoyancy tank (2), a butt joint groove (21) which is adaptive to the butt joint plate (511) is formed in the other side of the buoyancy tank (2), one end of the clamping block (512) is located in the butt joint groove (21), the other end of the clamping block (512) is elastically connected with the inner wall of the buoyancy tank (2) through a first spring (513), and a clamping groove which is adaptive to the clamping block (512) is formed in the surface of the butt joint plate (511).

3. The tank-type inner floating disc according to claim 2, wherein: the automatic locking assembly (52) comprises a rotating shaft (521), the rotating shaft (521) is rotatably installed on the inner wall of the butt joint groove (21), one end of the rotating shaft (521) is fixedly connected with a threaded rod (524), a threaded hole (5111) which is matched with the threaded rod (524) is formed in one end of the butt joint plate (511), a pull rope (522) is wound on the surface of the rotating shaft (521), one end, away from the rotating shaft (521), of the pull rope (522) is fixedly connected with a first sealing plug (523), and the first sealing plug (523) is installed on the inner wall of the buoyancy tank (2) in a piston mode.

4. A tank-type inner floating disc according to claim 3, characterized in that: the air leakage warning assembly (53) comprises a supporting seat (535), the supporting seat (535) is fixedly arranged at the top of the buoyancy tank (2), a connecting rod (536) is rotatably arranged on the supporting seat (535), a supporting rod (537) is fixedly connected to the surface of the connecting rod (536), and a sign (538) is fixedly connected to the surface of the supporting rod (537).

5. The tank-type inner floating disc for a storage tank according to claim 4, wherein: the air leakage warning assembly (53) further comprises a second sealing plug (532), the second sealing plug (532) is mounted on the inner wall of the buoyancy tank (2) in a piston mode, one end, away from the first sealing plug (523), of the second sealing plug (532) is fixedly provided with a rack (533), the surface of the rack (533) is meshed with a gear (534), and the gear (534) is fixedly mounted on the connecting rod (536).

6. The tank-type inner floating disc for a storage tank according to claim 5, wherein: the air leakage warning assembly (53) further comprises a push rod (531), the push rod (531) is located under the second sealing plug (532), and the bottom end of the push rod (531) is fixedly installed at the top of the first sealing plug (523).

7. The tank-type inner floating disc according to claim 1, wherein: the abutting mechanism (3) comprises an annular elastic piece (31), one end of the annular elastic piece (31) is fixedly arranged on the fixed ring (1), the other end of the annular elastic piece (31) is contacted with an annular pressing plate (32), a connecting ring (34) is fixedly connected to the annular pressing plate (32), and the surface of the connecting ring (34) is in threaded connection with the inner wall of the fixed ring (1).

8. The tank-type inner floating disc for a storage tank according to claim 7, wherein: the hoisting mechanism (4) comprises two fixing hooks (41), the two fixing hooks (41) are fixedly installed on the annular pressing plate (32), the two fixing hooks (41) are symmetrically distributed by taking the central line of the annular pressing plate (32) as a symmetrical axis, movable hooks (42) are movably connected to the fixing hooks (41), ropes (43) are fixedly connected to the tops of the movable hooks (42), fixing rods (44) are fixedly connected to the tops of the ropes (43), hanging rings (45) are fixedly connected to one ends of the fixing rods (44) away from the ropes (43), and shaking components (33) are arranged between the fixing rods (44) and the connecting rings (34).

9. The tank-type inner floating disc according to claim 8, wherein: the shake subassembly (33) is including layer board (331), layer board (331) fixed mounting is in on go-between (34), rotate on layer board (331) and install on have horizontal pole (332), one end that horizontal pole (332) are close to go-between (34) slides and runs through have striking pole (339), the one end of striking pole (339) is through second spring (338) and the inner wall elastic connection of horizontal pole (332), the other end contact of striking pole (339) has lug (337), lug (337) fixed mounting is in on the inner circumference of go-between (34).

10. The tank-type inner floating disc according to claim 9, wherein: the shake subassembly (33) still including mount (335), mount (335) fixed mounting is in on dead lever (44), fixed mounting has driving motor (336) on mount (335), the output fixed mounting of driving motor (336) has interior inserted bar (334), horizontal pole (332) are kept away from one end fixedly connected with sleeve (333) of striking pole (339), interior inserted bar (334) are pegged graft in sleeve (333), the surface of interior inserted bar (334) has protruding portion, the inside of sleeve (333) has the depressed part that suits with protruding portion, protruding portion and the mutual joint of depressed part.