Fully liquid-welded brazed mortise and tenon assembled inner floating plate

Abstract

The present invention discloses a fully liquid-contacted brazed mortise and tenon assembled inner floating plate, comprising a fully liquid-contacted inner floating plate assembly, a lower floating and retracting arm assembly is arranged below the fully liquid-contacted inner floating plate assembly, and a plurality of sealing and ventilation assemblies are circumferentially arranged on the top surface of the fully liquid-contacted inner floating plate assembly, and the fully liquid-contacted inner floating plate assembly forms a double-layer alternating airbag sealing plate structure in an oil storage tank. In short, when the fully liquid-contacted inner floating plate assembly floats up and down in a sealed manner in the oil storage tank, during the floating and lifting process, the present invention adopts a method of alternating inflation of double airbags to achieve sealing when the fully liquid-contacted inner floating plate floats, and at the same time, the sealing and ventilation assembly of the present invention performs piston-type automatic ventilation for the double airbags on the fully liquid-contacted inner floating plate assembly, and the sealing and ventilation assembly of the present invention serves as a driving structure for alternating inflation of the double airbags, and at the same time, the action of the sealing and ventilation assembly is achieved during the lifting process of the fully liquid-contacted inner floating plate, and the present invention does not adopt the drive of external electrical equipment, thereby effectively ensuring the internal safety of the oil storage tank.

Description

Technical Field

[0001] The invention belongs to the technical field of a fully liquid-contacted inner floating plate, and in particular relates to a fully liquid-contacted brazed mortise and tenon assembled inner floating plate. Background Art

[0002] The main function of the fully liquid-connected internal float is to control the separation of clean oil and dirty oil in the storage tank, prevent them from mixing to produce a flammable mixture, and improve the safety in the tank. In addition, it can effectively separate clean oil and dirty oil to avoid environmental pollution, while protecting the quality of petroleum products stored in the tank and improving storage efficiency.

[0003] The prior art has the following problems: the fully liquid-contacted internal floating plate mainly floats on the upper layer of the liquid and achieves the effect of sealing and isolation, reducing the volatilization of the solution, etc. However, in actual use, the fully liquid-contacted internal floating plate mostly floats up and down in the storage tank. During the up and down floating of the storage tank, there is friction between the edge of the fully liquid-contacted internal floating plate and the inner wall of the storage tank, etc. This has the following problems. On the one hand, long-term friction may lead to poor sealing. On the other hand, there is the possibility of ignition during the friction process. Therefore, this problem is urgently needed. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a fully liquid-welded brazed mortise and tenon assembled inner floating plate, which has the characteristics of high safety.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fully liquid-contacted brazed mortise and tenon assembled internal float plate, including a fully liquid-contacted internal float plate assembly, a floating and gathering arm assembly is arranged below the fully liquid-contacted internal float plate assembly, and a plurality of sealing and ventilation assemblies are arranged circumferentially on the top surface of the fully liquid-contacted internal float plate assembly, the fully liquid-contacted internal float plate assembly forms a double-layer alternating airbag sealing plate structure in the oil storage tank, the sealing and ventilation assembly performs piston-type automatic ventilation for the double airbags on the fully liquid-contacted internal float plate assembly, and the floating and gathering arm assembly provides floating traction force for the floating of the fully liquid-contacted internal float plate assembly.

[0006] In the preferred embodiment of the fully liquid-contacted brazed mortise and tenon assembled inner floating plate, the fully liquid-contacted inner floating plate assembly includes a top layer sealing plate, a bottom layer sealing plate is arranged below the top layer sealing plate, a bottom buoyancy plate is arranged below the bottom layer sealing plate, a bottom tightening spring and a buoyancy plate bellows are arranged between the bottom buoyancy plate and the bottom layer sealing plate, an elastic pushing telescopic arm and an inner bellows are arranged between the top layer sealing plate and the bottom layer sealing plate, a center ring platform and a fixed top frame are arranged in the middle of the bottom layer sealing plate, a ring-shaped bevel gear is rotatably arranged on the top of the center ring platform through a bearing seat, and a driving shaft is rotatably arranged on the top of the center ring platform through a top end frame, a driving bevel gear and a driving gear are respectively fixedly arranged at both ends of the driving shaft, a bottom guide rail slide rod is fixedly arranged on the bottom buoyancy plate, and a driving gear arm plate is fixedly arranged on the top of the bottom guide rail slide rod, a top sealing elastic air bag is arranged in the groove at the outer edge of the top layer sealing plate, and a bottom sealing elastic air bag is arranged in the groove at the outer edge of the bottom layer sealing plate;

[0007] The sealed ventilation assembly includes a sealed ventilation cylinder, a piston slide rod is slidably arranged on the top of the sealed ventilation cylinder, a sealed ventilation piston is fixedly arranged on the bottom of the piston slide rod, and a piston connecting arm is rotatably arranged on the top of the piston slide rod, the top of the piston connecting arm is rotatably arranged on the piston driving arm, a piston shaft rod is fixedly arranged on the bottom of the piston driving arm, a piston bevel gear is fixedly arranged on one end of the piston shaft rod, a top ventilation pipe and a bottom ventilation pipe are fixedly arranged on the top and bottom of the sealed ventilation cylinder respectively, and the sealed ventilation piston divides the sealed ventilation cylinder into a top air storage chamber and a bottom air storage chamber;

[0008] The floating folding arm assembly includes a folding arm base, a folding arm slide rod is arranged inside the folding arm base, folding arm sliders are slidably arranged at both ends of the folding arm slide rod, a folding arm push spring is sleeved on the middle part of the folding arm slide rod, and a folding scissors arm is arranged between the two folding arm sliders.

[0009] In the preferred embodiment of the fully liquid-welded brazed mortise and tenon assembled inner floating plate, a mounting mortise and tenon groove is provided at the top edge of the bottom sealing plate, the top telescopic arm of the elastic pushing telescopic arm is fixedly connected to the top sealing plate, and the bottom telescopic arm of the elastic pushing telescopic arm is installed in the mortise and tenon groove at the top edge of the bottom sealing plate through mortise and tenon and fixed by brazing welding, and the elastic pushing telescopic arm is an outward-pushing telescopic arm structure.

[0010] In the preferred embodiment of the fully liquid-welded mortise and tenon assembled inner floating plate, the driving bevel gear is meshedly connected with the annular bevel gear, the driving tooth arm plate is meshedly connected with the driving gear, and the driving bevel gear forms a meshing shifting force on the annular bevel gear.

[0011] In the preferred embodiment of the fully liquid-welded mortise and tenon assembled internal floating plate, the bottom of the sealed ventilation cylinder is fixedly connected to the bottom sealing plate, the top ventilation pipe is connected to the top sealing elastic airbag, the bottom of the bottom ventilation pipe is connected to the bottom sealing elastic airbag, the sealed ventilation piston reciprocates up and down in the sealed ventilation cylinder, the top air storage chamber and the bottom air storage chamber are filled with gas, and the top sealing elastic airbag and the bottom sealing elastic airbag are shrinkable airbag structures.

[0012] In the preferred embodiment of the fully liquid-welded brazed mortise and tenon assembled inner floating plate, the piston shaft is rotatably connected to the fixed top frame through a bearing seat, and the piston bevel gear is meshed with the annular bevel gear.

[0013] In the preferred embodiment of the fully liquid-welded mortise and tenon assembled internal floating plate, the sealed ventilation piston moves up and down in the sealed ventilation cylinder, and the top air storage chamber inflates or exhausts air into the top sealed elastic air bag through the top ventilation pipe, and the bottom air storage chamber inflates or exhausts air into the bottom sealed elastic air bag through the bottom ventilation pipe.

[0014] In the preferred embodiment of the fully liquid-welded mortise and tenon assembled inner floating plate, the two folding arm sliders slide toward the two ends of the folding arm slide rod through the pushing of the folding arm pushing spring. At this time, the folding scissor arm is in a contracted and pulled-down traction structure, and the top of the folding scissor arm is rotatably connected to the bottom of the bottom buoyancy plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the fully liquid-contacted internal floating plate assembly forms a double-layer alternating airbag sealing plate structure in the oil storage tank. In simple terms, when the fully liquid-contacted internal floating plate assembly floats up and down in the oil storage tank in a sealed manner, during the floating and lifting process, the present invention adopts a method of alternating inflation of the double airbags to achieve sealing when the fully liquid-contacted internal floating plate floats (when the conventional fully liquid-contacted internal floating plate is lifted or lowered, the fully liquid-contacted internal floating plate and the inner wall of the oil storage tank are rubbed and lifted). At the same time, the sealing and ventilation assembly of the present invention performs piston-type automatic ventilation for the double airbags on the fully liquid-contacted internal floating plate assembly. The sealing and ventilation assembly of the present invention serves as a driving structure for alternating inflation of the double airbags. At the same time, the action of the sealing and ventilation assembly is achieved during the lifting process of the fully liquid-contacted internal floating plate. The present invention does not use external electrical equipment for driving. The floating arm assembly provides buoyancy traction for the floating of the fully liquid-contacted internal floating plate assembly, and ensures the smooth floating of the fully liquid-contacted internal floating plate assembly. The specific working principle is as follows. In actual use, the bottom of the floating arm assembly is fixed to the bottom of the oil storage tank by brazing. In the initial state, the folding scissor arm contracts. At this time, the annular bevel gear is rotated to make multiple sealing ventilation assemblies actuate. At this time, the sealing ventilation piston moves up in the sealing ventilation cylinder. At this time, the gas in the top air storage chamber is filled into the top sealing elastic airbag through the top ventilation pipe, so as to realize the expansion seal of the top sealing elastic airbag, and the sealing ventilation piston moves up in the sealing ventilation cylinder. At this time, the bottom air storage chamber extracts the gas in the bottom sealing elastic airbag , so that the bottom sealing elastic airbag does not expand. The above state is the state in the initial state, that is, the state without storing oil. When storing oil, the oil in the oil storage tank will first push the bottom buoyancy plate, and the bottom buoyancy plate moves up to drive the driving gear arm plate to move up, and the driving gear arm plate is meshed with the driving gear. At this time, the driving gear rotates clockwise, and the driving bevel gear drives the annular bevel gear to rotate counterclockwise. At this time, the annular bevel gear drives multiple piston bevel gears on multiple sets of sealing ventilation components to mesh and rotate. At this time, the piston driving arm drives the piston slide rod to slide back and forth up and down through the piston connecting arm. At this time, the sealing ventilation piston slides back and forth up and down in the sealing ventilation cylinder. When the sealing ventilation piston moves downward in the sealing ventilation cylinder, the air cylinder inside the bottom air storage chamber will be pressed by the piston to the bottom sealing elastic In the airbag, the bottom sealing elastic airbag expands and seals, and the space in the top air storage chamber becomes larger, which will draw out the gas in the top sealing elastic airbag to achieve the recovery of the top sealing elastic airbag. At this time, the telescopic arm is pushed upward by the elastic force, and the top sealing disk is lifted based on the bottom sealing disk. When oil continues to be stored in the oil storage tank, the bottom buoyancy disk continues to rise, and the above actions continue to occur. At this time, the internal space of the bottom air storage chamber becomes larger, and the gas in the bottom sealing elastic airbag is drawn out and restored. At this time, the space in the top air storage chamber is compressed, which will press the gas piston into the top sealing elastic airbag and expand it, thereby achieving the sealing of the top sealing elastic airbag. At this time, the oil in the oil storage tank will lift the bottom buoyancy disk and the bottom sealing disk through buoyancy through buoyancy.The above-mentioned processes are carried out alternately in a cycle, thereby realizing the double-layer alternating seal of the fully liquid-contacted internal floating plate assembly of the present invention in the oil storage tank, solving the problem raised in the technical background, namely, solving the problem of friction between the existing fully liquid-contacted internal floating plate and the inner wall of the storage tank during the floating and lifting process (on the one hand, long-term friction may lead to poor sealing, and on the other hand, there may be the possibility of ignition during the friction process). At the same time, when the oil level drops, the present invention pushes the two folding arm sliders to the two ends of the folding arm slide rod through the pushing of the folding arm pushing spring. At this time, the folding scissor arm is in a contracted and pulled-down traction structure, and the top of the folding scissor arm is rotatably connected to the bottom of the bottom buoyancy plate. At this time, the lower floating folding arm assembly will pull the bottom buoyancy plate downward. At this time, the descending sealing action of the fully liquid-contacted internal floating plate assembly is opposite to the ascending sealing action of the fully liquid-contacted internal floating plate assembly. The present invention improves the sealing structure of the fully liquid-contacted internal floating plate assembly and the oil storage tank, changes the sealing structure of the traditional fully liquid-contacted internal floating plate during buoyancy lifting, and further ensures the safety and reliability of the fully liquid-contacted internal floating plate during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A perspective view of the present invention;

[0017] Figure 2 A three-dimensional diagram of another viewing angle of the present invention;

[0018] Figure 3 An exploded view of the present invention;

[0019] Figure 4 A three-dimensional diagram of a fully liquid-contacted internal floating plate assembly of the present invention;

[0020] Figure 5 It is a cross-sectional view of the fully liquid-contacted internal floating plate assembly of the present invention;

[0021] Figure 6 A three-dimensional diagram of the sealing ventilation assembly of the present invention;

[0022] Figure 7 is a cross-sectional view of the sealing ventilation component of the present invention;

[0023] Figure 8 A three-dimensional diagram of a floating and furling arm assembly of the present invention;

[0024] In the figure: 100, full-liquid internal floating plate assembly; 101, top sealing plate; 102, inner bellows; 103, bottom sealing plate; 104, top end frame; 105, driving bevel gear; 106, driving shaft; 107, driving gear arm plate; 108, driving gear; 109, center ring platform; 110, annular bevel gear; 111, fixed top frame; 112, bottom guide rail slide rod; 113, bottom tightening spring; 114, bottom buoyancy plate; 115, buoyancy plate bellows; 116, bottom sealing elastic airbag; 117, mortise and tenon; 118, elastic push telescopic arm; 119. Top sealing elastic airbag; 200. Sealing ventilation assembly; 201. Sealing ventilation cylinder; 202. Sealing ventilation piston; 203. Piston slide rod; 204. Piston shaft; 205. Piston bevel gear; 206. Piston drive arm; 207. Piston connecting arm; 208. Top ventilation pipe; 209. Bottom ventilation pipe; 210. Top air storage chamber; 211. Bottom air storage chamber; 300. Lower floating folding arm assembly; 301. folding arm base; 302. folding arm slide rod; 303. folding arm slider; 304. folding arm push spring; 305. folding scissors arm. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-8 As shown, the present invention provides a fully liquid-contacted brazed mortise and tenon assembled internal float, including a fully liquid-contacted internal float assembly 100, a floating and gathering arm assembly 300 is arranged below the fully liquid-contacted internal float assembly 100, and a plurality of sealing and ventilation assemblies 200 are circumferentially arranged on the top surface of the fully liquid-contacted internal float assembly 100, the fully liquid-contacted internal float assembly 100 forms a double-layer alternating airbag sealing plate structure in the oil storage tank, the sealing and ventilation assembly 200 performs piston-type automatic ventilation for the double airbags on the fully liquid-contacted internal float assembly 100, and the floating and gathering arm assembly 300 provides floating traction for the floating of the fully liquid-contacted internal float assembly 100.

[0027] In a preferred embodiment, please refer to Figure 4 and Figure 5The fully liquid-contacted internal floating plate assembly 100 includes a top sealing plate 101, a bottom sealing plate 103 is arranged below the top sealing plate 101, a bottom buoyancy plate 114 is arranged below the bottom sealing plate 103, a bottom tightening spring 113 and a buoyancy plate bellows 115 are arranged between the bottom buoyancy plate 114 and the bottom sealing plate 103, an elastic push telescopic arm 118 and an inner bellows 102 are arranged between the top sealing plate 101 and the bottom sealing plate 103, a center ring platform 109 and a fixed top frame 111 are arranged in the middle of the bottom sealing plate 103, and the top of the center ring platform 109 is rotatably arranged through a bearing seat There is an annular bevel gear 110, and a driving shaft 106 is rotatably arranged on the top of the center ring platform 109 through the top end frame 104, and a driving bevel gear 105 and a driving gear 108 are fixedly arranged at both ends of the driving shaft 106, and a bottom guide rail slide 112 that slides through the bottom sealing disk 103 is fixedly arranged on the bottom buoyancy disk 114, and a driving gear arm plate 107 is fixedly arranged on the top of the bottom guide rail slide 112, a top sealing elastic air bag 119 is arranged in the groove on the outer edge of the top sealing disk 101, and a bottom sealing elastic air bag 116 is arranged in the groove on the outer edge of the bottom sealing disk 103.

[0028] In this embodiment, a mounting mortise and tenon groove is opened at the top edge of the bottom sealing disk 103, the top telescopic arm of the elastic pushing telescopic arm 118 is fixedly connected to the top sealing disk 101, and the bottom telescopic arm of the elastic pushing telescopic arm 118 is installed in the mortise and tenon groove at the top edge of the bottom sealing disk 103 through the mortise and tenon 117 and fixed by brazing. The elastic pushing telescopic arm 118 is an outward-pushing telescopic arm structure.

[0029] Secondly, the driving bevel gear 105 is meshedly connected with the annular bevel gear 110 , and the driving gear arm plate 107 is meshedly connected with the driving gear 108 , so that the driving bevel gear 105 forms a meshing shifting force on the annular bevel gear 110 .

[0030] In a preferred embodiment, please refer to Figure 6 and Figure 7 The sealed ventilation component 200 includes a sealed ventilation cylinder 201, a piston slide rod 203 is slidably arranged on the top of the sealed ventilation cylinder 201, a sealed ventilation piston 202 is fixedly arranged at the bottom of the piston slide rod 203, and a piston connecting arm 207 is rotatably arranged on the top of the piston slide rod 203, the top of the piston connecting arm 207 is rotatably arranged on the piston driving arm 206, a piston shaft rod 204 is fixedly arranged at the bottom of the piston driving arm 206, a piston bevel gear 205 is fixedly arranged at one end of the piston shaft rod 204, a top ventilation pipe 208 and a bottom ventilation pipe 209 are fixedly arranged on the top and bottom of the sealed ventilation cylinder 201 respectively, and the sealed ventilation piston 202 divides the sealed ventilation cylinder 201 into a top air storage chamber 210 and a bottom air storage chamber 211.

[0031] In this embodiment, the bottom of the sealed ventilation cylinder 201 is fixedly connected to the bottom sealing disk 103, the top ventilation pipe 208 is connected to the top sealing elastic airbag 119, the bottom of the bottom ventilation pipe 209 is connected to the bottom sealing elastic airbag 116, the sealed ventilation piston 202 reciprocates up and down in the sealed ventilation cylinder 201, the top air storage chamber 210 and the bottom air storage chamber 211 are filled with gas, and the top sealing elastic airbag 119 and the bottom sealing elastic airbag 116 are shrinkable airbag structures.

[0032] Secondly, the piston shaft 204 is rotatably connected to the fixed top frame 111 through the bearing seat, and the piston bevel gear 205 is meshed with the annular bevel gear 110.

[0033] Secondly, please also refer to Figure 4 and Figure 5 Through the upper and lower piston actions of the sealed ventilation piston 202 in the sealed ventilation cylinder 201, the top air storage chamber 210 inflates or exhausts air into the top sealed elastic airbag 119 through the top ventilation pipe 208, and the bottom air storage chamber 211 inflates or exhausts air into the bottom sealed elastic airbag 116 through the bottom ventilation pipe 209.

[0034] In a preferred embodiment, please refer to Figure 8 The floating folding arm assembly 300 includes a folding arm base 301, a folding arm slide rod 302 is arranged inside the folding arm base 301, folding arm sliders 303 are slidably arranged at both ends of the folding arm slide rod 302, a folding arm push spring 304 is sleeved on the middle part of the folding arm slide rod 302, and a folding scissor arm 305 is arranged between the two folding arm sliders 303.

[0035] In this embodiment, the two folding arm sliders 303 slide toward the two ends of the folding arm slide rod 302 through the pushing of the folding arm pushing spring 304. At this time, the folding scissors arm 305 is in a contracted and pulled-down traction structure, and the top of the folding scissors arm 305 is rotatably connected to the bottom of the bottom buoyancy disk 114.

[0036] The top edge of the bottom sealing disk 103 of the present invention is provided with an installation mortise and tenon groove, the top telescopic arm of the elastic pushing telescopic arm 118 is fixedly connected to the top sealing disk 101, and the bottom telescopic arm of the elastic pushing telescopic arm 118 is installed in the mortise and tenon groove of the top edge of the bottom sealing disk 103 through the mortise and tenon 117 and fixed by brazing. In this way, the connection between the double-layer disk bodies of the top sealing disk 101 and the bottom sealing disk 103 is convenient.

[0037] In another embodiment of the present invention, each layer of the disk body of the fully liquid-connected internal floating disk assembly 100 may be provided with a through groove, the through groove is slidably connected to the support rod in the oil storage tank, and a sealing ring is provided between the through groove and the support rod. Through the cooperation of the through groove and the support rod, it can be ensured that the fully liquid-connected internal floating disk assembly 100 does not deviate when floating up and down. At the same time, each layer of the disk body of the fully liquid-connected internal floating disk assembly 100 may be provided with a maintenance groove for workers to go up and down, and a sealing cover is provided on the maintenance groove.

[0038] In another embodiment of the present invention, the various layers of the disk body of the fully liquid-contacted internal floating disk assembly 100 can be assembled by mortise and tenon assembly, and then fixed by brazing and welding after assembly. In this method, the various layers of the disk body of the fully liquid-contacted internal floating disk assembly 100 are disassembled to facilitate the later assembly in the oil storage tank.

[0039] The working principle of the present invention is as follows: the fully liquid-contacted internal floating plate assembly 100 forms a double-layer alternating airbag sealing plate structure in the oil storage tank. In simple terms, when the fully liquid-contacted internal floating plate assembly 100 is sealed and floated up and down in the oil storage tank, during the floating and lifting process, the present invention adopts a method of alternating inflation of double airbags to achieve sealing when the fully liquid-contacted internal floating plate floats (when the conventional fully liquid-contacted internal floating plate is lifted or lowered, the fully liquid-contacted internal floating plate and the inner wall of the oil storage tank are lifted or lowered by friction). At the same time, the sealing and ventilation assembly 200 of the present invention performs piston-type automatic ventilation for the double airbags on the fully liquid-contacted internal floating plate assembly 100. The sealing and ventilation assembly 200 of the present invention serves as a driving structure for alternating inflation of the double airbags. At the same time, the action of the sealing and ventilation assembly 200 is achieved during the lifting process of the fully liquid-contacted internal floating plate. The present invention does not adopt Driven by external electrical equipment, the internal safety of the oil storage tank is effectively guaranteed. The floating and retracting arm assembly 300 provides a floating traction force for the floating of the fully liquid-contacted internal floating plate assembly 100, in order to ensure the smooth floating of the fully liquid-contacted internal floating plate assembly 100. The specific working principle is as follows. In actual use, the bottom of the floating and retracting arm assembly 300 is fixed to the bottom of the oil storage tank by brazing. In the initial state, the retracting scissor arm 305 is contracted. At this time, by rotating the annular bevel gear 110, multiple sealing ventilation assemblies 200 are activated. At this time, the sealing ventilation piston 202 moves up in the sealing ventilation cylinder 201. At this time, the gas in the top air storage chamber 210 is filled into the top sealing elastic airbag 119 through the top ventilation pipe 208, so as to realize the expansion and sealing of the top sealing elastic airbag 119. , and the sealed ventilation piston 202 moves up in the sealed ventilation cylinder 201. At this time, the bottom air storage chamber 211 extracts the gas in the bottom sealed elastic airbag 116, so that the bottom sealed elastic airbag 116 does not expand. The above state is the state in the initial state, that is, the state without storing oil. When storing oil, the oil in the oil storage tank will first push the bottom buoyancy disk 114, and the bottom buoyancy disk 114 moves up to drive the drive gear arm plate 107 to move up, and the drive gear arm plate 107 is meshed with the drive gear 108. At this time, the drive gear 108 rotates clockwise, and the drive bevel gear 105 drives the annular bevel gear 110 to rotate counterclockwise. At this time, the annular bevel gear 110 drives multiple piston bevel gears 205 on multiple sets of sealed ventilation components 200 to mesh and rotate. The plug driving arm 206 drives the piston slide rod 203 to slide reciprocatingly up and down through the piston connecting arm 207. At this time, the sealing ventilation piston 202 slides reciprocatingly up and down in the sealing ventilation cylinder 201. When the sealing ventilation piston 202 moves downward in the sealing ventilation cylinder 201, the air cylinder inside the bottom air storage chamber 211 will be pressed into the bottom sealing elastic airbag 116 by the piston. At this time, the bottom sealing elastic airbag 116 expands and seals. At this time, the space inside the top air storage chamber 210 becomes larger, which will extract the gas in the top sealing elastic airbag 119 to realize the recovery of the top sealing elastic airbag 119. At this time, the top sealing disk 101 is lifted based on the bottom sealing disk 103 by the upward push of the telescopic arm 118 through the elastic force. When the oil storage tank continues to store oil,The bottom buoyancy disk 114 continues to rise, and the above-mentioned action continues to occur. At this time, the internal space of the bottom air storage chamber 211 becomes larger, and the gas in the bottom sealing elastic airbag 116 is extracted and restored. At this time, the space in the top air storage chamber 210 is compressed, and the gas piston will be punched into the top sealing elastic airbag 119 and expand, thereby realizing the sealing of the top sealing elastic airbag 119. At this time, the oil in the oil storage tank will lift the bottom buoyancy disk 114 and the bottom sealing disk 103 through buoyancy through buoyancy, and the above-mentioned process is cyclically performed alternately, thereby realizing the double-layer alternating sealing of the fully liquid-contacted internal floating disk assembly 100 in the oil storage tank of the present invention, solving the problem raised in the technical background, that is, solving the problem of friction between the existing fully liquid-contacted internal floating disk and the inner wall of the storage tank during the floating and lifting process (on the one hand, long-term friction may cause the seal to The seal is not tight, and there may be a possibility of ignition during the friction process). At the same time, when the oil level drops, the present invention pushes the two folding arm sliders 303 to the two ends of the folding arm slide rod 302 through the push of the folding arm push spring 304. At this time, the folding scissor arm 305 is in a contracted and pulled-down traction structure, and the top of the folding scissor arm 305 is rotatably connected to the bottom of the bottom buoyancy disk 114. At this time, the lower floating folding arm assembly 300 will pull the bottom buoyancy disk 114 downward. At this time, the descending sealing action of the full liquid-contacting inner floating plate assembly 100 is opposite to the ascending sealing action of the full liquid-contacting inner floating plate assembly 100. The present invention improves the sealing structure of the full liquid-contacting inner floating plate assembly 100 and the oil storage tank, changes the sealing structure of the traditional full liquid-contacting inner floating plate when the buoyancy is raised and lowered, and further ensures the safety and reliability of the full liquid-contacting inner floating plate when in use.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully liquid-contact brazed mortise and tenon assembled inner floating plate, comprising a fully liquid-contact inner floating plate assembly (100), characterized in that: A floating and gathering arm assembly (300) is arranged below the fully liquid-contacted internal floating plate assembly (100), and a plurality of sealing and ventilation assemblies (200) are arranged in a circumferential direction on the top surface of the fully liquid-contacted internal floating plate assembly (100). The fully liquid-contacted internal floating plate assembly (100) forms a double-layer alternating airbag sealing plate structure in the oil storage tank. The sealing and ventilation assembly (200) performs piston-type automatic ventilation for the double airbags on the fully liquid-contacted internal floating plate assembly (100), and the floating and gathering arm assembly (300) provides a floating traction force for the floating of the fully liquid-contacted internal floating plate assembly (100). The fully liquid-contacted internal floating disk assembly (100) comprises a top sealing disk (101), a bottom sealing disk (103) is arranged below the top sealing disk (101), a bottom buoyancy disk (114) is arranged below the bottom sealing disk (103), a bottom tightening spring (113) and a buoyancy disk bellows (115) are arranged between the bottom buoyancy disk (114) and the bottom sealing disk (103), an elastic pushing telescopic arm (118) and an inner bellows (102) are arranged between the top sealing disk (101) and the bottom sealing disk (103), a central ring platform (109) and a fixed top frame (111) are arranged in the middle of the bottom sealing disk (103), and the top of the central ring platform (109) is connected to the bottom sealing disk (103) by a bearing seat. A ring-shaped bevel gear (110) is rotatably provided, and a driving shaft (106) is rotatably provided on the top of the center ring platform (109) through the top end frame (104), and a driving bevel gear (105) and a driving gear (108) are fixedly provided at both ends of the driving shaft (106), a bottom guide rail slide bar (112) is fixedly provided on the bottom buoyancy disk (114) and slides through the bottom sealing disk (103), and a driving gear arm plate (107) is fixedly provided on the top of the bottom guide rail slide bar (112), a top sealing elastic air bag (119) is provided in a groove on the outer edge of the top sealing disk (101), and a bottom sealing elastic air bag (116) is provided in a groove on the outer edge of the bottom sealing disk (103); The driving bevel gear (105) is meshedly connected with the annular bevel gear (110), the driving tooth arm plate (107) is meshedly connected with the driving gear (108), and the driving bevel gear (105) generates a meshing shifting force on the annular bevel gear (110); The sealing ventilation assembly (200) comprises a sealing ventilation cylinder (201), a piston slide rod (203) being slidably disposed at the top of the sealing ventilation cylinder (201), a sealing ventilation piston (202) being fixedly disposed at the bottom of the piston slide rod (203), a piston connecting arm (207) being rotatably disposed at the top of the piston slide rod (203), the top of the piston connecting arm (207) being rotatably disposed on a piston driving arm (206), a piston shaft rod (204) being fixedly disposed at the bottom of the piston driving arm (206), a piston bevel gear (205) being fixedly disposed at one end of the piston shaft rod (204), a top ventilation pipe (208) and a bottom ventilation pipe (209) being fixedly disposed at the top and bottom of the sealing ventilation cylinder (201), respectively, and the sealing ventilation piston (202) divides the inside of the sealing ventilation cylinder (201) into a top air storage chamber (210) and a bottom air storage chamber (211); The bottom of the sealed ventilator (201) is fixedly connected to the bottom sealing disk (103), the top ventilation pipe (208) is in communication with the top sealing elastic airbag (119), the bottom of the bottom ventilation pipe (209) is in communication with the bottom sealing elastic airbag (116), the sealed ventilator piston (202) moves up and down in the sealed ventilator (201), the top air storage chamber (210) and the bottom air storage chamber (211) are filled with gas, and the top sealing elastic airbag (119) and the bottom sealing elastic airbag (116) are contraction airbag structures; The floating folding arm assembly (300) comprises a folding arm base (301), a folding arm slide bar (302) is arranged inside the folding arm base (301), folding arm sliders (303) are slidably arranged at both ends of the folding arm slide bar (302), a folding arm push spring (304) is sleeved on the middle part of the folding arm slide bar (302), and a folding scissor arm (305) is arranged between the two folding arm sliders (303).

2. The fully liquid-welded brazed mortise and tenon assembled inner floating plate according to claim 1 is characterized in that: The top edge of the bottom sealing disk (103) is provided with a mounting mortise and tenon groove, the top telescopic arm of the elastic push telescopic arm (118) is fixedly connected to the top sealing disk (101), and the bottom telescopic arm of the elastic push telescopic arm (118) is installed in the mortise and tenon groove of the top edge of the bottom sealing disk (103) through a mortise and tenon (117) and fixed by brazing, and the elastic push telescopic arm (118) is an outward push telescopic arm structure.

3. The fully liquid-welded brazed mortise and tenon assembled inner floating plate according to claim 1 is characterized in that: The piston shaft (204) is rotatably connected to the fixed top frame (111) via a bearing seat, and the piston bevel gear (205) is meshed with the annular bevel gear (110).

4. The fully liquid-welded brazed mortise and tenon assembled inner floating plate according to claim 1 is characterized in that: Through the up and down piston action of the sealed ventilation piston (202) in the sealed ventilation cylinder (201), the top air storage chamber (210) inflates or exhausts air into the top sealed elastic airbag (119) through the top ventilation pipe (208), and the bottom air storage chamber (211) inflates or exhausts air into the bottom sealed elastic airbag (116) through the bottom ventilation pipe (209).

5. The fully liquid-welded brazed mortise and tenon assembled inner floating plate according to claim 1 is characterized in that: Through the pushing of the folding arm pushing spring (304), the two folding arm sliders (303) slide toward the two ends of the folding arm slide rod (302), and at this time, the folding scissor arm (305) is in a contracted and pulled-down traction structure, and the top of the folding scissor arm (305) is rotatably connected to the bottom of the bottom buoyancy disk (114).

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