A sealing sleeve for a guide column of a petrochemical oil storage device

Abstract

The present invention provides a sealing sleeve for a guide column of a petrochemical oil storage device, comprising a chemical oil storage tank body and a guide column, wherein the guide column is fixed to the middle of the inner wall of the chemical oil storage tank body, a maintenance port is provided in the middle of the upper surface of the chemical oil storage tank body, and the upper end of the guide column passes through the maintenance port and extends to the top of the chemical oil storage tank body, a top sealing cover is plugged into the inner side of the maintenance port, and the guide column is plugged into the top sealing cover, a first rubber sealing sleeve is fixed to the middle of the top sealing cover, and the first rubber sealing sleeve is sleeved with the outer wall of the guide column, a pressing and fixing mechanism for pressing the top sealing cover onto the top of the chemical oil storage tank body is fixed to the top of the chemical oil storage tank body, and a floating plate is slidably connected to the inner wall of the chemical oil storage tank body; the present invention can reduce the steps of replacing the second rubber sealing sleeve while ensuring the sealing performance of the floating plate when sliding up and down by optimizing the installation work of the second rubber sealing sleeve, thereby improving the efficiency of replacing the second rubber sealing sleeve.

Description

Technical Field

[0001] The invention relates to the technical field of sealing sleeves for petrochemical oil storage devices, and in particular to a sealing sleeve for a guide column of a petrochemical oil storage device. Background Art

[0002] During the operation of the storage tank, in order to ensure that the inner floating plate can be lifted and lowered smoothly, a guide device is provided, and an oil measuring detection device is installed by using a guide column. Therefore, the guide column is connected to the oil measuring hole on the top of the tank, vertically penetrates through the floating plate to reach the bottom of the tank, and also serves as a positioning guide for the floating plate. In the prior art, in order to ensure that the floating plate and the guide column can slide up and down stably and achieve effective sealing at the connection between the two, a sealing sleeve is provided between the middle part of the floating plate and the guide column. The setting of the sealing sleeve can effectively prevent volatile oil and gas from overflowing from the connection between the two, thereby effectively reducing the risk factor. However, we know that the sealing sleeve has a certain service life. Long-term and multiple up and down reciprocating sliding can easily cause the inner side of the sealing sleeve to be worn in contact with the guide column. Once wear occurs, the sealing effect of the sealing sleeve will be reduced. However, the design of the existing oil storage device and the installation method of the sealing sleeve make it inconvenient for people to complete the replacement of the sealing sleeve, making the replacement process of the sealing sleeve extremely cumbersome, such as patent CN 203946447 U discloses a sealing insulation device for the guide column of an oil storage tank, comprising two semi-cylindrical rubber sleeves, which are coaxially installed with the guide column, and the two constitute a cylindrical sleeve sleeved on the outside of the guide column, and a connecting piece is arranged radially of the semi-cylindrical rubber sleeve, and the connecting piece is fixedly connected to the pressure plate on the floating plate, and a sliding connection is formed between the semi-cylindrical rubber sleeve and the guide column when the floating plate floats up and down. The utility model is widely used in floating roof storage tanks and internal floating roof storage tanks of petrochemical enterprises, and can ensure that a certain insulation level and sealing performance are maintained between the guide column facilities of the oil storage tank and the floating plate, avoid spark discharge caused by lightning strikes, static electricity and other reasons between the guide column and the floating plate, and effectively reduce the oil and gas leakage between the guide column facilities and the floating plate. The utility model has the advantages of simple structure, convenient installation and maintenance, safe and reliable use, etc.; the installation method of the rubber sleeve provided by the patent requires people to turn multiple bolts when disassembling to complete it, which greatly increases the steps and time of disassembly and assembly.

[0003] Therefore, it is necessary to provide a sealing sleeve for a guide column of a petrochemical oil storage device to solve the above technical problems. Summary of the invention

[0004] To solve the above technical problems, the present invention provides a sealing sleeve for a guide column of a petrochemical oil storage device, which can facilitate people to replace the second rubber sealing sleeve between the floating plate and the guide column, save maintenance time and improve maintenance efficiency.

[0005] The present invention provides a sealing sleeve for a guide column of a petrochemical oil storage device, comprising a chemical oil storage tank body and a guide column, wherein a guide column is fixed to the middle of an inner wall of the chemical oil storage tank body, a maintenance port is provided in the middle of an upper surface of the chemical oil storage tank body, and an upper end of the guide column penetrates the maintenance port and extends to the top of the chemical oil storage tank body, a top sealing cover is plugged into the inner side of the maintenance port, and the guide column is plugged into the top sealing cover, a first rubber sealing sleeve is fixed to the middle of the top sealing cover, the first rubber sealing sleeve is sleeved with the outer wall of the guide column, a pressing and fixing mechanism for pressing the top sealing cover against the top of the chemical oil storage tank body is fixed to the top of the chemical oil storage tank body, a floating plate is slidably connected to the inner wall of the chemical oil storage tank body, and the guide column penetrates the middle of the floating plate, a T-shaped connecting sleeve is fixed to the middle of the upper surface of the floating plate, a second rubber sealing sleeve is plugged into the inner wall of the T-shaped connecting sleeve, the second rubber sealing sleeve is sleeved with the outer wall of the guide column, and a mounting mechanism for pressing the second rubber sealing sleeve is fixed to the outer wall of the T-shaped connecting sleeve.

[0006] Preferably, the clamping and fixing mechanism includes a first connecting block, a first screw, a movable clamping block, a driven bevel gear, a connecting ring, an active bevel gear ring, a pushing rod and a positioning assembly. The top of the chemical oil storage tank body is equidistantly fixed with a first connecting block, the middle of the first connecting block is rotatably connected to the first screw through a bearing, one end of the first screw close to the top sealing cover is threadedly connected to the movable clamping block through a first threaded hole, the movable clamping block is slidably connected to the top of the chemical oil storage tank body, and the upper end of the movable clamping block is close to one side of the top sealing cover It is arranged in an inclined surface, and the inclined surface on the upper end of the movable clamping block close to the top sealing cover is in compression contact with the outer surface of the top sealing cover. A driven bevel gear is fixed to the end of the first screw away from the movable clamping block, and a connecting ring is fixed to the top of the chemical oil storage tank body. The outer wall of the connecting ring is rotatably connected to the active bevel gear ring through a bearing. The three driven bevel gears are all meshed and connected with the active bevel gear ring, and a push rod is fixed to one side of the top of the active bevel gear ring. A positioning component for positioning the active bevel gear ring is provided on the top of the active bevel gear ring.

[0007] Preferably, the top sealing cover has rounded corners at the upper edges of the outer ring.

[0008] Preferably, a rubber sealing gasket is fixed to the bottom of the top sealing cover, and the bottom of the rubber sealing gasket is in extrusion contact with the top of the chemical oil storage tank body.

[0009] Preferably, the positioning assembly includes a second screw and a handle, and a second screw is threadedly connected to one side of the top of the active bevel gear ring through a second threaded hole, the bottom of the second screw passes through the active bevel gear ring and is in extrusion contact with the top of the chemical oil storage tank body, and a handle is fixed to the top of the second screw.

[0010] Preferably, an anti-slip cover is fixed to the outer wall of the handle.

[0011] Preferably, the inner wall of the chemical oil storage tank body is equidistantly provided with protruding slide rails, and the protruding slide rails are integrally provided with the chemical oil storage tank body, and slide grooves are equidistantly provided on the outer side of the floating plate, and the floating plate is slidably connected to the outer wall of the protruding slide rails through the slide grooves.

[0012] Preferably, the mounting mechanism comprises a connecting strip, a first rotating shaft, a pressure plate, a flip rod, a connecting rod, a second connecting block, a third screw, a pushing block and a driving assembly, connecting strips are symmetrically fixed on both sides of the outer wall of the upper end of the T-shaped connecting sleeve, and the first rotating shaft is rotatably connected between the two connecting strips on one side of the T-shaped connecting sleeve through a bearing, a pressure plate is fixed to the middle of the first rotating shaft, and the sides of the two pressure plates close to the second rubber sealing sleeve are both in extrusion contact with the top of the second rubber sealing sleeve, and flip rods are symmetrically fixed on one side of the outer wall of the first rotating shaft, and the two flip rods are away from the first One end of the rotating shaft is rotatably connected to a connecting rod through an axle pin, two second connecting blocks are fixed on both sides of the upper surface of the floating plate, a third screw is rotatably connected between the two second connecting blocks on the same side of the upper surfaces of the two floating plates through a bearing, and the rotation directions of the two third screws are opposite, a pushing block is threadedly connected to the outer side of the third screw through a third threaded hole, and the bottom of the pushing block is slidably connected to the top of the floating plate, an end of the connecting rod away from the flip rod is rotatably connected to the top of the pushing block through an axle pin, and a driving component for driving the two third screws to rotate simultaneously is fixed to one side of the top of the floating plate.

[0013] Preferably, the driving assembly includes a support plate, a worm, a knob, a third connecting block, a second rotating shaft, a worm wheel and a flexible shaft, a support plate is symmetrically fixed to one side of the top of the floating plate, a worm is rotatably connected to the upper ends of the two support plates via bearings, one end of the worm passes through the support plate and is fixed with a knob, a third connecting block is symmetrically fixed to one side of the top of the floating plate close to the support plate, a second rotating shaft is rotatably connected between the two third connecting blocks via bearings, a worm wheel is fixed to the middle of the second rotating shaft, the worm wheel is meshingly connected to the worm, flexible shafts are symmetrically fixed to both ends of the second rotating shaft, and one end of the flexible shaft away from the second rotating shaft is fixed to the end of the third screw.

[0014] Preferably, the knob is arranged in a plum blossom shape.

[0015] Compared with the related art, the sealing sleeve for the guide column of the petrochemical oil storage device provided by the present invention has the following beneficial effects:

[0016] The present invention provides a sealing sleeve for a guide column of a petrochemical oil storage device:

[0017] The present invention innovatively sets a maintenance port on the top of the chemical oil storage tank body and tightly installs a top sealing cover on the inner side of the maintenance port, thereby ensuring that the daily use effect of the chemical oil storage tank body will not be changed and facilitating people to replace the second rubber sealing sleeve through the maintenance port.

[0018] The present invention can facilitate the connection between the top sealing cover and the chemical oil storage tank body by providing a pressing and fixing mechanism, and can save people the steps and time of disassembling the top sealing cover, thereby improving the efficiency of disassembling and assembling the top sealing cover, and further facilitating people to replace the second rubber sealing sleeve.

[0019] The present invention improves the conventional fixing method of the second rubber sealing sleeve on the floating plate. Compared with the conventional method of fixing the second rubber sealing sleeve with bolts, the steps of disassembling and assembling the second rubber sealing sleeve can be greatly reduced, and the efficiency of disassembling and assembling the second rubber sealing sleeve can be improved, thereby making it convenient for people to complete the replacement of the second rubber sealing sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the overall structure provided by the present invention;

[0021] Figure 2 A schematic diagram of the internal structure of the chemical oil storage tank body provided by the present invention;

[0022] Figure 3 A schematic diagram of the floating plate position structure provided by the present invention;

[0023] Figure 4 A schematic diagram of the position structure of the second rubber sealing sleeve provided by the present invention;

[0024] Figure 5 A schematic diagram of the position structure of the rubber sealing gasket provided by the present invention;

[0025] Figure 6 A schematic diagram of the shape and structure of the second rubber sealing sleeve provided by the present invention;

[0026] Figure 7 A schematic diagram of the structure of the pressing and fixing mechanism provided by the present invention;

[0027] Figure 8 This is an enlarged view of point A provided by the present invention;

[0028] Fig. 9 This is an enlarged view of point B provided by the present invention;

[0029] Fig.10 One of the schematic diagrams of the installation mechanism provided by the present invention;

[0030] Fig.11The second schematic diagram of the installation mechanism structure provided by the present invention;

[0031] Fig.12 This is an enlarged view of point C provided by the present invention.

[0032] Numbers in the figure: 1. Chemical oil storage tank body; 1A. Protruding slide rail; 2. Guide column; 3. Maintenance port; 4. Top sealing cover; 5. First rubber sealing sleeve; 6. Pressing and fixing mechanism; 61. First connecting block; 62. First screw; 63. Moving pressing block; 64. Driven bevel gear; 65. Connecting ring; 66. Active bevel gear ring; 67. Push rod; 68. Positioning assembly; 681. Second screw; 682. Handle; 7. Floating plate; 7A. Slide; 8. T-type connecting sleeve; 9. Second Rubber sealing sleeve; 10. Installation mechanism; 101. Connecting strip; 102. First rotating shaft; 103. Pressure plate; 104. Turning rod; 105. Connecting rod; 106. Second connecting block; 107. Third screw; 108. Pushing block; 109. Driving assembly; 1091. Support plate; 1092. Worm; 1093. Knob; 1094. Third connecting block; 1095. Second rotating shaft; 1096. Worm gear; 1097. Flexible shaft; 11. Rubber sealing gasket; 12. Anti-slip sleeve. DETAILED DESCRIPTION

[0033] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0034] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 ,in, Figure 1 A schematic diagram of the overall structure provided by the present invention; Figure 2 A schematic diagram of the internal structure of the chemical oil storage tank body provided by the present invention; Figure 3 A schematic diagram of the floating plate position structure provided by the present invention; Figure 4 A schematic diagram of the position structure of the second rubber sealing sleeve provided by the present invention; Figure 5 A schematic diagram of the position structure of the rubber sealing gasket provided by the present invention; Figure 6 A schematic diagram of the shape and structure of the second rubber sealing sleeve provided by the present invention; Figure 7 A schematic diagram of the structure of the pressing and fixing mechanism provided by the present invention; Figure 8 An enlarged view of point A provided by the present invention; Fig. 9 This is an enlarged view of point B provided by the present invention; Fig.10One of the schematic diagrams of the installation mechanism provided by the present invention; Fig.11 The second schematic diagram of the installation mechanism structure provided by the present invention; Fig.11 This is an enlarged view of point C provided by the present invention.

[0035] In the specific implementation process, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the embodiment of the present invention provides a sealing sleeve for a guide column of a petrochemical oil storage device, comprising a chemical oil storage tank body 1 and a guide column 2, wherein the guide column 2 is fixed to the middle of the inner wall of the chemical oil storage tank body 1, a maintenance port 3 is opened in the middle of the upper surface of the chemical oil storage tank body 1, and the upper end of the guide column 2 passes through the maintenance port 3 and extends to the top of the chemical oil storage tank body 1, a top sealing cover 4 is inserted into the inner side of the maintenance port 3, and the guide column 2 is inserted into the top sealing cover 4, a first rubber sealing sleeve 5 is fixed to the middle of the top sealing cover 4, and the first rubber sealing sleeve 5 and the guide column 2, a pressing and fixing mechanism 6 for pressing the top sealing cover 4 on the top of the chemical oil storage tank body 1 is fixed on the top of the chemical oil storage tank body 1, a floating plate 7 is slidably connected to the inner wall of the chemical oil storage tank body 1, and the guide column 2 passes through the middle of the floating plate 7, a T-shaped connecting sleeve 8 is fixed to the middle of the upper surface of the floating plate 7, a second rubber sealing sleeve 9 is inserted into the inner wall of the T-shaped connecting sleeve 8, and the second rubber sealing sleeve 9 is sleeved with the outer wall of the guide column 2, and a mounting mechanism 10 for pressing the second rubber sealing sleeve 9 is fixed to the outer wall of the T-shaped connecting sleeve 8.

[0036] It should be noted that, by innovatively setting a maintenance port 3 on the top of the chemical oil storage tank body 1 and tightly installing a top sealing cover 4 on the inner side of the maintenance port 3, it is ensured that the daily use effect of the chemical oil storage tank body 1 will not be changed, while it is convenient for people to replace the second rubber sealing sleeve 9 through the maintenance port 3.

[0037] refer to Figure 7 , Figure 8 and Fig. 9As shown, the clamping and fixing mechanism 6 includes a first connecting block 61, a first screw 62, a movable clamping block 63, a driven bevel gear 64, a connecting ring 65, an active bevel gear ring 66, a push rod 67 and a positioning assembly 68. The top of the chemical oil storage tank body 1 is equidistantly fixed with a first connecting block 61, the middle part of the first connecting block 61 is rotatably connected with a first screw 62 through a bearing, and one end of the first screw 62 close to the top sealing cover 4 is threadedly connected with a movable clamping block 63 through a first threaded hole. The movable clamping block 63 is slidably connected to the top of the chemical oil storage tank body 1, and the upper end of the movable clamping block 63 is close to the top sealing cover 4. One side is set in an inclined surface, and the inclined surface of the upper end of the movable clamping block 63 close to the top sealing cover 4 is in compression contact with the outer surface of the top sealing cover 4. A driven bevel gear 64 is fixed to the end of the first screw 62 away from the movable clamping block 63, and a connecting ring 65 is fixed to the top of the chemical oil storage tank body 1. The outer wall of the connecting ring 65 is rotatably connected to the active bevel gear ring 66 through a bearing. The three driven bevel gears 64 are all meshed and connected with the active bevel gear ring 66. A push rod 67 is fixed to one side of the top of the active bevel gear ring 66, and a positioning component 68 for positioning the active bevel gear ring 66 is provided on the top of the active bevel gear ring 66.

[0038] It should be noted that, by providing the maintenance port 3, it is convenient for people to complete the disassembly and assembly of the second rubber sealing sleeve 9, and by providing the clamping and fixing mechanism 6, it is convenient to complete the connection work between the top sealing cover 4 and the chemical oil storage tank body 1, and it can save people the steps and time of disassembling the top sealing cover 4, improve the efficiency of disassembling and assembling the top sealing cover 4, and further facilitate people to replace the second rubber sealing sleeve 9.

[0039] refer to Figure 8 As shown, the upper corners of the outer ring of the top sealing cover 4 are provided with rounded corners, so that the movable pressing block 63 can be pressed on the top sealing cover 4 more smoothly.

[0040] refer to Figure 5 As shown, a rubber sealing gasket 11 is fixed to the bottom of the top sealing cover 4, and the bottom of the rubber sealing gasket 11 is in compression contact with the top of the chemical oil storage tank body 1, which can improve the sealing performance of the connection between the top sealing cover 4 and the chemical oil storage tank body 1.

[0041] refer to Fig. 9As shown, the positioning assembly 68 includes a second screw 681 and a handle 682. One side of the top of the active bevel gear ring 66 is threadedly connected with the second screw 681 through a second threaded hole. The bottom of the second screw 681 passes through the active bevel gear ring 66 and is in extrusion contact with the top of the chemical oil storage tank body 1. The top of the second screw 681 is fixed with a handle 682, which can facilitate the positioning of the active bevel gear ring 66 and prevent it from rotating at will, thereby improving the stability of the clamping of the movable clamping block 63.

[0042] refer to Fig. 9 As shown, the outer wall of the handle 682 is fixed with an anti-slip cover 12, which can increase the friction between the human hand and the handle 682, so that people can rotate the handle 682 easily.

[0043] refer to Figure 2 and Figure 3 As shown, the inner wall of the chemical oil storage tank body 1 is equidistantly provided with protruding slide rail portions 1A, and the protruding slide rail portions 1A and the chemical oil storage tank body 1 are integrally provided, and the outer side of the floating plate 7 is equidistantly provided with slide grooves 7A, and the floating plate 7 is slidably connected to the outer wall of the protruding slide rail portion 1A through the slide grooves 7A, which can improve the smoothness of the floating plate 7 sliding up and down in the chemical oil storage tank body 1, so that the floating plate 7 can slide up and down more smoothly.

[0044] refer to Fig.10 , Fig.11 and Fig.12As shown, the mounting mechanism 10 includes a connecting strip 101, a first rotating shaft 102, a pressure plate 103, a flip rod 104, a connecting rod 105, a second connecting block 106, a third screw 107, a pushing block 108 and a driving assembly 109. The connecting strips 101 are symmetrically fixed on both sides of the outer wall of the upper end of the T-shaped connecting sleeve 8, and the first rotating shaft 102 is rotatably connected between the two connecting strips 101 on one side of the T-shaped connecting sleeve 8 through a bearing. A pressure plate 103 is fixed to the middle of the first rotating shaft 102, and the sides of the two pressure plates 103 close to the second rubber sealing sleeve 9 are squeezed and contacted with the top of the second rubber sealing sleeve 9. A flip rod 104 is symmetrically fixed to one side of the outer wall of the first rotating shaft 102. The two flip rods 1 04, one end away from the first rotating shaft 102 is rotatably connected to a connecting rod 105 through an axle pin, two second connecting blocks 106 are fixed on both sides of the upper surface of the floating plate 7, a third screw 107 is rotatably connected between the two second connecting blocks 106 on the same side of the upper surfaces of the two floating plates 7 through a bearing, and the rotation directions of the two third screws 107 are opposite, and the outer side of the third screw 107 is threadedly connected to a pushing block 108 through a third threaded hole, and the bottom of the pushing block 108 is slidably connected to the top of the floating plate 7, the end of the connecting rod 105 away from the flip rod 104 is rotatably connected to the top of the pushing block 108 through an axle pin, and a driving component 109 for driving the two third screws 107 to rotate simultaneously is fixed on one side of the top of the floating plate 7.

[0045] It should be noted that, by improving the conventional method of fixing the second rubber sealing sleeve 9 on the floating plate 7, compared with the conventional method of fixing the second rubber sealing sleeve 9 with bolts, the steps of disassembling and assembling the second rubber sealing sleeve 9 can be greatly reduced, and the efficiency of disassembling and assembling the second rubber sealing sleeve 9 can be improved, thereby facilitating people to complete the replacement of the second rubber sealing sleeve 9.

[0046] refer to Fig.12 As shown, the driving assembly 109 includes a support plate 1091, a worm 1092, a knob 1093, a third connecting block 1094, a second rotating shaft 1095, a worm wheel 1096 and a flexible shaft 1097. The support plate 1091 is symmetrically fixed to one side of the top of the floating plate 7. The upper ends of the two support plates 1091 are rotatably connected to the worm 1092 through bearings. One end of the worm 1092 passes through the support plate 1091 and is fixed with a knob 1093. The top of the floating plate 7 is close to the support plate 1091. A third connecting block 1094 is symmetrically fixed to one side of the near support plate 1091, and a second rotating shaft 1095 is rotatably connected between the two third connecting blocks 1094 via a bearing. A worm gear 1096 is fixed to the middle of the second rotating shaft 1095, and the worm gear 1096 is meshingly connected to the worm 1092. Flexible shafts 1097 are symmetrically fixed to both ends of the second rotating shaft 1095, and one end of the flexible shaft 1097 away from the second rotating shaft 1095 is fixed to the end of the third screw 107.

[0047] It should be noted that, through the drive assembly 109 , people only need to turn the knob 1093 to drive the two third screws 107 to rotate simultaneously, thereby completing the driving and rotating work of the pressure plate 103 .

[0048] refer to Fig.12 As shown, the knob 1093 is arranged in a plum blossom shape, which makes it easy for people to turn the knob 1093.

[0049] Working principle: During use, when the second rubber sealing sleeve 9 needs to be replaced and the chemical oil storage tank body 1 needs to be filled with oil, at this time, under the action of buoyancy, the float plate 7 is at the uppermost position inside the chemical oil storage tank body 1, and firstly, by rotating the handle 682, the second screw 681 is driven to rotate, so that the second screw 681 moves upward, and the second screw 681 can be separated from the top of the chemical oil storage tank body 1, and then by pushing the push rod 67, the active bevel gear ring 66 is driven to rotate, so that the three driven bevel gears 64 can be rotated at the same time, and then the three first screws 62 are driven to rotate at the same time, and the rotation of the first screw 62 can drive the movable clamping block 63 to slide along the surface of the chemical oil storage tank body 1 to the side away from the top sealing cover 4, so that the movable clamping block 63 is separated from the top sealing cover 4, and then the top sealing cover 4 is pulled out from the inside of the maintenance port 3, and the top sealing cover 4 is removed;

[0050] Then the technician passes his hand through the maintenance port 3 to turn the knob 1093, thereby driving the worm 1092 to rotate, and then driving the worm wheel 1096 to rotate through the worm 1092, and then driving the second shaft 1095 to rotate. Since the second shaft 1095 rotates with the third screw 107 through the flexible shaft 1097, the rotation of the second shaft 1095 drives the third screw 107 to rotate at the same time under the drive of the flexible shaft 1097, and the rotation of the third screw 107 can drive the push block 108 to slide along the surface of the floating plate 7 to the side close to the T-shaped connecting sleeve 8, and the push block 108 moves to push the connecting rod 105, and through the connecting rod 10 5 can push the flip rod 104 to rotate around the first rotating shaft 102 to the side close to the T-shaped connecting sleeve 8, thereby driving the first rotating shaft 102 to rotate, thereby driving the pressure plate 103 to flip upward, and finally making the pressure plate 103 flip to a vertical state, and then the technician can pull out the second rubber sealing sleeve 9 from the T-shaped connecting sleeve 8, and then insert a new rubber sealing sleeve, and then rotate the knob 1093 in the reverse direction, thereby driving the worm 1092 to rotate in the reverse direction, and then the two pressure plates 103 can be flipped downward until the pressure plates 103 are pressed tightly against the surface of the second rubber sealing sleeve 9, thereby completing the replacement of the rubber sealing sleeve;

[0051] Then the technician inserts the top sealing cover 4 into the inner side of the maintenance port 3 until it is fully inserted, and then pushes the push rod 67 in the reverse direction, driving the active bevel gear ring 66 to rotate in the reverse direction, and finally all three movable clamping blocks 63 are pressed against the surface of the top sealing cover 4. Since the movable clamping block 63 is arranged in an inclined surface on one side close to the top sealing cover 4, a downward force can be applied to the top sealing cover 4, so that the top sealing cover 4 can press the rubber sealing gasket 11, completing the pressing and fixing work of the top sealing cover 4, and then rotating the handle 682 to drive the second screw 681 to move downward, and finally the second screw 681 is pressed against the top of the chemical oil storage tank body 1, thereby completing the positioning work of the active bevel gear ring 66;

[0052] The present invention optimizes the installation of the second rubber sealing sleeve 9, while ensuring the sealing performance of the floating plate 7 when sliding up and down, can reduce the steps of replacing the second rubber sealing sleeve 9, improve the efficiency of replacing the second rubber sealing sleeve 9, and facilitate use.

[0053] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sealing sleeve for a guide column of a petrochemical oil storage device, comprising a chemical oil storage tank body (1) and a guide column (2), wherein the guide column (2) is fixed to the middle of the inner wall of the chemical oil storage tank body (1), characterized in that: A maintenance opening (3) is provided in the middle of the upper surface of the chemical oil storage tank body (1), and the upper end of the guide column (2) passes through the maintenance opening (3) and extends to the top of the chemical oil storage tank body (1). A top sealing cover (4) is inserted into the inner side of the maintenance opening (3), and the guide column (2) is inserted into the top sealing cover (4). A first rubber sealing sleeve (5) is fixed in the middle of the top sealing cover (4), and the first rubber sealing sleeve (5) is sleeved with the outer wall of the guide column (2). A rubber sealing sleeve (5) is fixed on the top of the chemical oil storage tank body (1) for inserting the top sealing cover (4). A pressing and fixing mechanism (6) is pressed on the top of the chemical oil storage tank body (1); the inner wall of the chemical oil storage tank body (1) is slidably connected to a floating plate (7); the guide column (2) passes through the middle of the floating plate (7); a T-shaped connecting sleeve (8) is fixed to the middle of the upper surface of the floating plate (7); the inner wall of the T-shaped connecting sleeve (8) is plugged with a second rubber sealing sleeve (9); the second rubber sealing sleeve (9) is sleeved with the outer wall of the guide column (2); and the outer wall of the T-shaped connecting sleeve (8) is fixed with a mounting mechanism (10) for pressing the second rubber sealing sleeve (9); The clamping and fixing mechanism (6) comprises a first connecting block (61), a first screw rod (62), a movable clamping block (63), a driven bevel gear (64), a connecting ring (65), an active bevel gear ring (66), a pushing rod (67) and a positioning assembly (68). The top of the chemical oil storage tank body (1) is equidistantly fixed with a first connecting block (61); the middle of the first connecting block (61) is rotatably connected to a first screw rod (62) via a bearing; one end of the first screw rod (62) close to the top sealing cover (4) is threadedly connected to the movable clamping block (63) via a first threaded hole; the movable clamping block (63) is slidably connected to the top of the chemical oil storage tank body (1); the upper end of the movable clamping block (63) is close to the top sealing cover (4). The movable pressing block (63) has an inclined surface on one side thereof, the inclined surface on the upper end thereof close to the top sealing cover (4) is in compression contact with the outer surface of the top sealing cover (4), a driven bevel gear (64) is fixed to the end of the first screw rod (62) away from the movable pressing block (63), a connecting ring (65) is fixed to the top of the chemical oil storage tank body (1), the outer wall of the connecting ring (65) is rotatably connected to the driving bevel gear ring (66) via a bearing, the three driven bevel gears (64) are all meshedly connected to the driving bevel gear ring (66), a push rod (67) is fixed to one side of the top of the driving bevel gear ring (66), and a positioning component (68) for positioning the driving bevel gear ring (66) is provided on the top of the driving bevel gear ring (66).

2. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 1 is characterized in that: The top sealing cover (4) has rounded corners at the upper edges of the outer ring.

3. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 1, characterized in that: A rubber sealing gasket (11) is fixed to the bottom of the top sealing cover (4), and the bottom of the rubber sealing gasket (11) is in compression contact with the top of the chemical oil storage tank body (1).

4. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 1, characterized in that: The positioning assembly (68) comprises a second screw rod (681) and a handle (682); one side of the top of the active bevel gear ring (66) is threadedly connected to the second screw rod (681) via a second threaded hole; the bottom of the second screw rod (681) penetrates the active bevel gear ring (66) and is in extrusion contact with the top of the chemical oil storage tank body (1); and the top of the second screw rod (681) is fixed with a handle (682).

5. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 4, characterized in that: An anti-slip sleeve (12) is fixed to the outer wall of the handle (682).

6. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 1, characterized in that: The inner wall of the chemical oil storage tank body (1) is provided with protruding slide rail portions (1A) at equal intervals, and the protruding slide rail portions (1A) and the chemical oil storage tank body (1) are provided in an integrated manner. Slide grooves (7A) are provided at equal intervals on the outer side of the floating plate (7), and the floating plate (7) is slidably connected to the outer wall of the protruding slide rail portion (1A) via the slide grooves (7A).

7. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 4, characterized in that: The mounting mechanism (10) comprises a connecting strip (101), a first rotating shaft (102), a pressure plate (103), a flip rod (104), a connecting rod (105), a second connecting block (106), a third screw rod (107), a pushing block (108) and a driving assembly (109); connecting strips (101) are symmetrically fixed to both sides of the outer wall of the upper end of the T-shaped connecting sleeve (8); the first rotating shaft (102) is rotatably connected between the two connecting strips (101) on one side of the T-shaped connecting sleeve (8) via a bearing; a pressure plate (103) is fixed to the middle of the first rotating shaft (102); the two sides of the pressure plates (103) close to the second rubber sealing sleeve (9) are in extrusion contact with the top of the second rubber sealing sleeve (9); a flip rod (104) is symmetrically fixed to one side of the outer wall of the first rotating shaft (102); the two flip rods (104) are symmetrically fixed to the One end of the rod (104) away from the first rotating shaft (102) is rotatably connected to a connecting rod (105) via an axle pin. Two second connecting blocks (106) are fixed on both sides of the upper surface of the floating plate (7). A third screw rod (107) is rotatably connected between the two second connecting blocks (106) on the same side of the upper surfaces of the two floating plates (7) via a bearing, and the rotation directions of the two third screw rods (107) are opposite. The outer side of the third screw rod (107) is threadedly connected to a pushing block (108) via a third threaded hole, and the bottom of the pushing block (108) is slidably connected to the top of the floating plate (7). One end of the connecting rod (105) away from the flip rod (104) is rotatably connected to the top of the pushing block (108) via an axle pin. A driving component (109) for driving the two third screw rods (107) to rotate simultaneously is fixed on one side of the top of the floating plate (7).

8. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 7, characterized in that: The driving assembly (109) comprises a support plate (1091), a worm (1092), a knob (1093), a third connecting block (1094), a second rotating shaft (1095), a worm wheel (1096) and a flexible shaft (1097); a support plate (1091) is symmetrically fixed to one side of the top of the floating plate (7); the upper ends of the two support plates (1091) are rotatably connected to the worm (1092) via bearings; one end of the worm (1092) passes through the support plate (1091) and is fixed with the knob (1093); the top of the floating plate (7) A third connecting block (1094) is symmetrically fixed on one side close to the support plate (1091); a second rotating shaft (1095) is rotatably connected between the two third connecting blocks (1094) via a bearing; a worm wheel (1096) is fixed to the middle of the second rotating shaft (1095); the worm wheel (1096) is meshingly connected to the worm (1092); flexible shafts (1097) are symmetrically fixed at both ends of the second rotating shaft (1095); one end of the flexible shaft (1097) away from the second rotating shaft (1095) is fixed to the end of the third screw (107).

9. The sealing sleeve for the guide column of the petrochemical oil storage device according to claim 8, characterized in that: The knob (1093) is arranged in a plum blossom shape.

Images