CN114104530B - Novel but interior floating roof storage tank height-adjusting landing leg - Google Patents
Novel but interior floating roof storage tank height-adjusting landing leg Download PDFInfo
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- CN114104530B CN114104530B CN202111655478.4A CN202111655478A CN114104530B CN 114104530 B CN114104530 B CN 114104530B CN 202111655478 A CN202111655478 A CN 202111655478A CN 114104530 B CN114104530 B CN 114104530B
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- 238000007667 floating Methods 0.000 title claims abstract description 66
- 238000003860 storage Methods 0.000 title claims abstract description 42
- 239000004677 Nylon Substances 0.000 claims abstract description 5
- 229920001778 nylon Polymers 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
- B65D88/40—Large containers having floating covers, e.g. floating roofs or blankets with support for aground cover
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The novel inner floating roof storage tank height-adjustable support leg comprises a support leg, a support top and a height adjusting part, wherein the support leg comprises a support leg outer tube, a T-shaped lead screw sleeved in the support leg outer tube body, and a support leg inner tube, and a T-shaped lead screw base and the bottom of the support leg outer tube are fixed on a storage tank inner tank bottom plate; the T-shaped lead screw is provided with a height adjusting part which comprises a nut sleeved on the outer thread of the T-shaped lead screw and connected with the bottom of the inner tube of the supporting leg; the upper end of the inner pipe of the supporting leg extends out of the outer pipe of the supporting leg; the top end of the inner tube of the supporting leg is provided with a supporting top which comprises a supporting leg cap, a cap seat, a thrust bearing and a bearing seat, wherein the cap seat is formed by connecting the top of a cap seat shaft with a horizontally arranged top disc; the cap seat shaft is connected in the bearing seat through a thrust bearing of the outer sleeve and is connected to the top of the inner pipe of the supporting leg; the landing leg cap is supported on the top plate of the cap seat, the bottom of the landing leg cap is fixed with a limit sleeve and sleeved outside the top end of the landing leg inner pipe, and a nylon plate horizontally arranged in a bolt connection mode at the top is in contact with the bottom surface of the floating roof in the storage tank for supporting. The height of the landing leg is adjustable without filling water.
Description
Technical Field
The invention relates to the technical field of storage tank floating roofs, in particular to a novel height-adjustable supporting leg of an inner floating roof storage tank.
Background
The inner floating roof storage tank is an oil tank with a floating roof arranged above the liquid level in the vault oil tank, and the loss of the light oil stored in the inner floating roof storage tank can be reduced by 95-97% compared with the vault oil tank. For the inner floating roof storage tank, the inner floating disc of the oil storage tank is a floating top cover which floats on the liquid level of the oil tank and goes up and down along with oil products, so that the volatilization loss of media can be reduced, and the inner floating disc effectively isolates the media, namely the storage material in the tank and air, so that the dangerous level of fire explosion is reduced to a certain extent, and the vault outside the oil storage tank can prevent rainwater, snow, dust and the like from entering the tank, thereby ensuring the cleaning of the media in the tank.
However, with the gradual development of the storage tank technology, for the internal floating roof storage tank, the structure, the material and the accessories of the floating disc are innovated along with the development of the technology, such as the development of a large amount of application of the novel composite floating disc, the development of the novel technology such as full-compensation high-efficiency sealing and the like, no importance is attached to the technical development of the supporting legs of the internal floating roof floating disc, and the novel technical innovation is realized.
Therefore, it is necessary to develop a new type of height-adjustable leg that can accommodate the operation and maintenance requirements of an inner floating roof tank.
The use of existing struts in floating roof tanks, GB 50341-2014 has clear technical specifications for the inner roof struts: the inner floating roof should be provided with fixed or adjustable floating roof struts. When the inner floating roof is at the lowest supporting height, the floating roof and accessories below the floating roof cannot collide with each other; when the floating roof is at the maximum design level, the support post should not collide with the fixed roof. When the inner floating roof is free of a liquid discharging device or other measures for preventing liquid storage from gathering, the inner floating roof support column can support the dead weight of the floating roof and uniformly distribute additional load of 0.6 kPa. The upper end of the support column should adopt a sealing structure, and the lower end should be dead or provided with a liquid outlet. The bottom plate of the tank, which is contacted with the support column, is provided with a backing plate with the thickness not less than 5mm and the diameter not less than 500mm, and continuous fillet weld is adopted between the periphery of the backing plate and the bottom plate of the tank.
When the floating disc of the inner floating roof oil tank falls to the bottom of the tank, the inner floating roof oil tank is supported by a plurality of struts. The supporting height is two: one is the lowest position of the float and the other is the height of the float during service.
The existing supporting legs are generally fixed at the bottom of the tank in two ways, and the existing supporting legs have fixed height and cannot be adjusted; the other type can be lifted along with the floating plate, and the height of the supporting leg can be adjusted. The existing strut has the defects that the design height of a floating roof storage tank in 1000m 3 is 12.69m for an example, the design highest liquid level of the floating roof storage tank in 1000m 3 is 80% of the tank body height, namely 10.152m, the fixed height of the supporting leg of the conventional floating disc is 1.8m for facilitating the later inspection and maintenance of the storage tank, namely the effective operation height of the floating disc is only 8.352m, the actual storage capacity of 1000m 3 is (8.352/12.69) 1000m 3＝658m3, and the actual utilization rate of the storage tank is only 65.8%. If the supporting legs are adjustable, the actual utilization rate of the storage tank can be increased.
The storage tank can relate to the anticorrosion of tank wall in the maintenance process, but in the anticorrosion process, dead angles always exist, namely, the sealing and the position attached to the tank wall after the floating disc falls to the bottom, the existing sealing device can only be removed for the anticorrosion of the whole tank wall, and the sealing is restored after the anticorrosion work is finished. The service life of the conventional bag type seal is about 8 years, and the full-compensation high-efficiency seal is up to 20 years. There is a great deal of operational risk in the dismantling process and the sealing device is extremely fragile. Therefore, the anticorrosion work can be abandoned only in the unnecessary situation, and if the floating disc can be lifted freely in the anticorrosion process, the anticorrosion work on the whole tank wall can be realized, so that the use safety and the service life of the storage tank are improved.
Also taking a 1000m 3 inner floating roof storage tank as an example, the existing adjustable support leg works as follows: the floating disc is filled with water in the tank after being landed, the supporting legs are adjusted after the floating disc rises along with the liquid level and are fixed by the bolts, and water is discharged after the supporting legs are completely adjusted, so that the floating disc is landed, and the purpose of adjusting the supporting legs is achieved. The supporting leg can be adjusted according to the construction requirement on site by the adjusting mode of the supporting leg, but the supporting leg has great disadvantages: firstly, a large amount of time and cost are required for filling and draining water, so that the construction period is increased; secondly, the economic cost is that assuming that the floating disc is lifted to the height of 2.4m by adjusting the supporting legs, 1000m 3＝189m3 of water is needed (2.4/12.69), and the price of the water is 8 yuan/m 3, namely 1512 yuan of water is needed for adjusting the supporting legs of the floating disc once, so that the economic cost is increased.
Therefore, in summary, the existing inner floating roof floating plate support leg has a certain problem to be solved.
Disclosure of Invention
The invention provides a novel supporting leg with an adjustable height for an inner floating roof storage tank, and aims to solve the technical problems that in the prior art, water needs to be filled and drained for adjusting the supporting leg, the cost is high, and the construction period is prolonged.
The technical scheme of the invention is as follows:
The novel height-adjustable landing leg of the inner floating roof storage tank comprises a landing leg 103, a supporting top 101 and a height adjusting part 102,
The support leg 103 comprises a support leg outer tube 1, a T-shaped lead screw 2 and a support leg inner tube 9 which are vertically arranged, wherein the T-shaped lead screw 2 and the support leg inner tube 9 are sleeved in the support leg outer tube body; the base 20 at the bottom of the T-shaped lead screw is connected with the bottom of the outer tube of the supporting leg into a whole and is fixed on the bottom plate of the inner tank of the storage tank together; the existing method can also be adopted to arrange a backing plate at the position of the tank bottom plate contacted with the supporting legs, the backing plate is connected with the bottoms of the supporting legs, and continuous fillet weld is adopted between the periphery of the backing plate and the tank bottom plate. Opposite pin limiting perforations 10 are formed in the pipe walls on two sides of the upper end of the outer pipe 1 of the support leg, a plurality of opposite pin insertion holes 91 are formed in the pipe walls on two sides of the inner pipe 9 of the support leg up and down, and pins are inserted into the pin limiting perforations 10 and the pin insertion holes 91 to be fixedly positioned when the pin limiting perforations 10 are opposite to the pin insertion holes 91;
The height adjusting part 102 is arranged on the T-shaped lead screw and comprises a screw nut 3 sleeved outside the T-shaped lead screw and in threaded connection with the screw nut, and an integrated flange connecting disc is arranged at the lower part of the screw nut, and is connected and fixed into a whole with a gasket 4 and a tray 5 which are sleeved outside the screw nut in sequence from bottom to top through bolts; the bottom of the tray 5 is provided with a circle of horizontal flange seats 51 for supporting the inner leg pipes 9 above, the inner leg pipes 9 are sleeved outside the tray 5, and the bottom of the inner leg pipes is located on the horizontal flange seats and welded and fixed into a whole; the upper end of the inner leg pipe 9 extends out of the outer leg pipe 1;
The top end of the inner tube 9 of the landing leg is provided with the supporting top 101, which comprises a landing leg cap 11, a cap seat 15, a thrust bearing 14, a bearing seat 13 and a cap seat axial limiting plate 16, wherein the cap seat 15 is formed into an integral structure by connecting a disc-shaped top disc 152 which is horizontally arranged with the top of a vertically arranged cylindrical cap seat shaft 151; the cap seat shaft is connected in the bearing seat 13 through the thrust bearing 14 of the outer sleeve; the bearing seat 13 is positioned in the inner pipe 9 of the supporting leg, the top edge of the bearing seat is provided with a horizontally outwards turned flange 131 and is supported on the upper edge of the inner pipe 9 of the supporting leg, the bottom of the bearing seat is provided with an inwards convex annular bottom bracket for supporting the outer ring bottom of the thrust bearing 14, and the vertical cylindrical side wall 153 of the bearing seat is fixedly connected with the pipe wall of the inner pipe of the supporting leg through bolts; the top disc 152 is provided with a rim protruding from the cylindrical cap shaft 151 and is supported by overlapping the inner ring of the thrust bearing 14; the landing leg cap 11 is supported on the top plate of the cap seat, the bottom of the landing leg cap is fixedly connected with an annular limiting sleeve 111 and sleeved outside the top end of the landing leg inner pipe, and a nylon plate 12 horizontally arranged in a top bolting mode is in contact with the bottom surface of the floating roof in the storage tank for supporting.
An inner pipe axial limit stop ring 7 is arranged at the top end of the outer pipe 1 of the supporting leg, the inner ring of the inner pipe extends into the outer pipe of the supporting leg in the radial direction, and a limit bolt 8 which is arranged in the radial direction is connected with the pipe wall of the lower end of the inner pipe 9 of the supporting leg in a threaded manner, extends to the lower part of the limit stop ring 7 and is in contact limit with the lower part of the limit stop ring; the inner pipe limiting baffle ring 7 is sleeved with a buckling nut 6 through the outside and is in threaded connection with the top end of the outer pipe of the supporting leg to be fixed, and the top end of the buckling nut is provided with an annular convex edge 61 extending radially inwards to buckle and press the inner pipe limiting baffle ring 7 to be fixed in a compressing mode.
The cap seat axial limiting plate 16 horizontally arranged below the bearing seat is fixedly connected with the bottom end of the cap seat shaft through bolts and is blocked and limited by the bottom of the bearing seat.
The bottoms of the outer leg pipe 1 and the inner leg pipe 9 are provided with oil inlet/outlet holes 901.
The T-shaped lead screw 2 is fixed and does not rotate, the nut rotates to drive the inner leg tube 9 and the bearing seat 13 to synchronously rotate, the cap seat 15 moves up and down on the T-shaped lead screw 2 and synchronously moves up and down along with the bearing seat 13, the bearing seat 13 is connected with the cap seat 15 through the thrust bearing 14 to relatively rotate, and the cap seat 15 is kept motionless.
The pitch between the pin insertion holes 91 is set to be an integral multiple of the screw threads of the T-shaped screw rod 2, and after the T-shaped screw rod 2 rotates for an integral circle, the pin insertion holes 91 correspond to the pin limiting through holes 10; the pin limiting perforation 10 is transversely arranged as an oval long hole, and the pin insertion hole 91 is arranged as a round hole.
The main effect at the support top of landing leg is with floating disc direct contact support, and thrust bearing main effect is when the screw is rotatory, and landing leg inner tube 9 can follow the rotation, prevents landing leg cap 11 and follows the rotation, produces the friction with the floating disc bottom, and cap seat 15 does not follow the rotation, avoids causing to produce the friction with the floating disc contact surface, takes place the potential safety hazard. The nut is fixed by a fixing pin after being rotated to a preset height by a hook wrench or a special tool, thereby achieving the purpose of freely lifting the floating disc. The bottom of the supporting leg is a fixed position of the supporting leg, the supporting leg is connected with the tank bottom through welding, and an oil inlet/outlet hole is formed in the bottom, so that the operation, inspection and maintenance safety is guaranteed.
The invention has the beneficial effects that:
The height of the landing leg is adjustable, the screw rod nut is used as a height adjusting component, and the thrust bearing is used as an anti-rotation device of the contact surface between the top of the landing leg and the floating disc, so that friction between the landing leg and the floating disc in the rotating process is prevented.
Drawings
Figure 1 is a schematic diagram of the overall structure of the present invention,
Figure 2 is an enlarged partial schematic view of the support roof structure of the present invention,
Figure 3 is an enlarged schematic view of a part of the height adjusting section structure of the present invention,
Figure 4 is an enlarged partial schematic view of the leg inner tube structure of the present invention,
Figure 5 is an enlarged partial schematic view of the leg base structure of the present invention,
Fig. 6 is a schematic view of the overall structure of the height-adjusted device according to the present invention.
Description of the drawings:
The support leg outer tube 1, the T-shaped lead screw 2, the base 20, the nut 3, the gasket 4, the tray 5, the horizontal flange seat 51, the buckling nut 6, the annular convex edge 61, the axial limit stop ring 7, the limit bolt 8, the support leg inner tube 9, the pin jack 91, the pin limit perforation 10, the support leg cap 11, the limit sleeve 111, the nylon plate 12, the bearing seat 13, the thrust bearing 14, the cap seat 15, the cap seat axial limit plate 16, the cylindrical cap seat shaft 151, the top disc 152, the cylindrical side wall 153, the support top 101, the height adjusting part 102, the support leg 103 and the oil inlet/outlet hole 901.
Detailed Description
The following describes in detail the embodiments of the present invention with reference to the drawings.
Referring to fig. 1, the novel height-adjustable leg of the inner floating roof tank of the present invention comprises a leg 103, a supporting top 101, a height adjusting part 102,
The support leg 103 comprises a support leg outer tube 1, a T-shaped lead screw 2 and a support leg inner tube 9 which are vertically arranged, wherein the T-shaped lead screw 2 and the support leg inner tube 9 are sleeved in the support leg outer tube body; the T-shaped lead screw is arranged at the inner lower part of the outer tube body of the supporting leg; the base 20 at the bottom of the T-shaped lead screw and the bottom of the outer tube of the supporting leg are connected into a whole and fixed on the bottom plate of the storage tank together; opposite pin limiting perforations 10 are formed in the pipe walls on two sides of the upper end of the outer pipe 1 of the support leg, a plurality of opposite pin insertion holes 91 are formed in the pipe walls on two sides of the inner pipe 9 of the support leg up and down, and pins are inserted into the pin limiting perforations 10 and the pin insertion holes 91 to be fixedly positioned when the pin limiting perforations 10 are opposite to the pin insertion holes 91;
The height adjusting part 102 is arranged on the T-shaped lead screw, and is shown in fig. 3, and comprises a screw nut 3 sleeved outside the T-shaped lead screw and in threaded connection with the screw nut, wherein the lower part of the screw nut is provided with an integrated flange connecting disc which is connected with a gasket 4 and a tray 5 sleeved outside the screw nut in sequence from bottom to top through bolts to be fixed into a whole; the bottom of the tray 5 is provided with a circle of horizontal flange seats 51 for supporting the inner leg pipes 9 above, the inner leg pipes 9 are sleeved outside the tray 5, and the bottom of the inner leg pipes is located on the horizontal flange seats and welded and fixed into an integrated structure; the upper end of the inner leg pipe 9 extends out of the outer leg pipe 1; the inner bottom of the inner pipe 9 of the supporting leg can be provided with an outward-expanding stepped hole, and the inner bottom of the inner pipe is clamped at the upper edge of the tray 5 through the step of the stepped hole to be fixed;
The top end of the inner pipe 9 of the supporting leg is provided with the supporting top 101, as shown in fig. 2, the supporting leg comprises a supporting leg cap 11, a cap seat 15, a thrust bearing 14, a bearing seat 13 and a cap seat axial limiting plate 16, wherein the cap seat 15 is formed into an integral structure by connecting a vertically arranged cylindrical cap seat shaft 151 with a horizontally arranged disc-shaped top disc 152; the cap seat shaft is connected in the bearing seat 13 through the thrust bearing 14 of the outer sleeve; the bearing seat 13 is positioned in the inner pipe 9 of the supporting leg, the top edge of the bearing seat is provided with a horizontally outwards turned flange 131 and is supported on the upper edge of the inner pipe 9 of the supporting leg, the bottom of the bearing seat is provided with an inwards convex annular bottom bracket for supporting the outer ring bottom of the thrust bearing 14, and the vertical cylindrical side wall 153 of the bearing seat is fixedly connected with the pipe wall of the inner pipe of the supporting leg through bolts; the top disc 152 is provided with a rim protruding from the cylindrical cap shaft 151 and is supported by overlapping the inner ring of the thrust bearing 14; the landing leg cap 11 is supported on the top plate 152 of the cap seat, the bottom of the landing leg cap is fixedly connected with the annular limiting sleeve 111 and sleeved outside the top end of the landing leg inner pipe, and the nylon plate 12 horizontally arranged in a top bolting way is in contact with the bottom surface of the floating roof in the storage tank for supporting.
Referring to fig. 3, an annular inner tube axial limit stop ring 7 is disposed at the top end of the outer tube 1 of the support leg, the inner ring thereof extends into the outer tube of the support leg in the radial direction, and a limit bolt 8 disposed along the radial direction is connected with the tube wall of the lower end of the inner tube 9 of the support leg in a threaded connection manner, extends to the lower side of the limit stop ring 7 and contacts with the limit stop ring in the axial direction to limit the limit stop ring, so that the inner tube 9 of the support leg moves upwards within a limited range; the inner pipe limiting baffle ring 7 is sleeved with a buckling nut 6 through the outside and is in threaded connection with the top end of the outer pipe of the supporting leg to be fixed, and the top end of the buckling nut is provided with an annular convex edge 61 extending radially inwards to buckle and press the inner pipe limiting baffle ring 7 to be fixed in a compressing mode.
Referring to fig. 2, a cap axial limiting plate 16 horizontally arranged below the bearing seat is fixedly connected with the bottom end of the cap shaft through a bolt, is blocked and limited by the bottom of the bearing seat, and leaves a gap with the bottom of the bearing seat so as not to influence the rotation of the cap axial limiting plate; the periphery of the cap axial limiting plate 16 extends to the bottom area of the bearing seat 13, so as to prevent the cap 15 from channeling upwards.
Referring to fig. 3 and 4, the bottoms of the outer leg pipe 1 and the inner leg pipe 9 are provided with oil inlet/outlet holes 901.
Referring to fig. 1, the T-shaped screw rod 2 is fixed and not rotated, the nut rotates to drive the inner tube 9 of the supporting leg and the bearing seat 13 to synchronously rotate, the cap seat 15 moves up and down and moves up and down on the T-shaped screw rod 2, synchronously moves up and down along with the bearing seat 13, the bearing seat 13 is connected with the cap seat 15 through a thrust bearing 14 to relatively rotate, and the cap seat 15 is kept motionless.
Referring to fig. 4, the pitch between the pin insertion holes 91 may be set to be an integer multiple of the thread of the T-shaped screw 2, after the T-shaped screw 2 rotates for an integer number of turns, the pin insertion holes 91 correspond to the pin limiting holes 10, and the penetrating pins (21/22) are fixedly limited; the pin limiting perforation 10 is transversely arranged as an oval long hole, and the pin insertion hole 91 is arranged as a round hole, so that the butt joint error is eliminated; for example, the pin insertion hole 91 corresponds to the pin limit perforation 10 by rotating 30 circles with a hook wrench or a special tool. When the inner floating roof storage tank needs to be checked and maintained, the inner floating roof storage tank comprises corrosion prevention of the storage tank, replacement of accessories of the storage tank and the like, the working space is enlarged by lifting the heights of the supporting legs, and when liquid feeding is needed, the utilization rate of the storage tank is improved by reducing the heights of the supporting legs.
When the height of the inner pipe is adjusted by using the hook wrench or the special tool, the hook wrench or the special tool can be clamped into the pin jack 91 of the inner pipe 9 of the supporting leg to be adjusted, and the inner pipe of the supporting leg is connected with the nut 3. The pin insertion hole 91 is both a limiting hole and a height adjusting hole.
Claims (5)
1. The novel height-adjustable landing leg of the inner floating roof storage tank comprises a landing leg (103), a supporting top (101) and a height adjusting part (102), and is characterized in that,
The support leg (103) comprises a support leg outer tube (1), a T-shaped screw rod (2) and a support leg inner tube (9) which are vertically arranged, wherein the T-shaped screw rod (2) and the support leg inner tube (9) are sleeved in the support leg outer tube body; the base (20) at the bottom of the T-shaped lead screw is connected with the bottom of the outer tube of the supporting leg into a whole and is fixed on the bottom plate of the inner tank of the storage tank together; opposite pin limiting perforations (10) are formed in the pipe walls on two sides of the upper end of the outer pipe (1) of the supporting leg, a plurality of opposite pin insertion holes (91) are formed in the pipe walls on two sides of the inner pipe (9) of the supporting leg up and down, and pins are inserted into the pin limiting perforations (10) and the pin insertion holes (91) to be fixedly positioned when the pin limiting perforations are opposite to the pin insertion holes (91);
The height adjusting part (102) is arranged on the T-shaped lead screw and comprises a screw nut (3) sleeved outside the T-shaped lead screw and in threaded connection with the screw nut, and an integrated flange connecting disc is arranged at the lower part of the screw nut, and is connected and fixed into a whole with a gasket (4) and a tray (5) which are sleeved outside the screw nut in sequence from bottom to top through bolts; the bottom of the tray (5) is provided with a circle of horizontal flange seat (51) for supporting the inner leg pipe (9) above, the inner leg pipe (9) is sleeved outside the tray (5), and the bottom of the inner leg pipe is located on the horizontal flange seat and welded and fixed into a whole; the upper end of the inner leg pipe (9) extends out of the outer leg pipe (1);
The top end of the inner tube (9) of the supporting leg is provided with the supporting top (101) and comprises a supporting leg cap (11), a cap seat (15), a thrust bearing (14), a bearing seat (13) and a cap seat axial limiting plate (16), wherein the cap seat (15) is formed into an integrated structure by connecting the top of a vertically arranged cylindrical cap seat shaft (151) with a horizontally arranged disc-shaped top disc (152); the cap seat shaft is connected in the bearing seat (13) through the thrust bearing (14) of the outer sleeve; the bearing seat (13) is positioned in the inner pipe (9) of the supporting leg, the top edge of the bearing seat is provided with a horizontally outwards turned flange (131) and is supported on the upper edge of the inner pipe (9) of the supporting leg, the bottom of the bearing seat is provided with an inwards convex annular collet to support the bottom of the outer ring of the thrust bearing (14), and the vertical cylindrical side wall (153) of the bearing seat is fixedly connected with the pipe wall of the inner pipe of the supporting leg through bolts; the top disc (152) is provided with a rim protruding out of the cylindrical cap seat shaft (151) and is lapped on the inner ring of the thrust bearing (14) to be supported; the landing leg cap (11) is supported on a top disc of the cap seat, the bottom of the landing leg cap is fixedly connected with an annular limiting sleeve (111) and sleeved outside the top end of the landing leg inner tube, and a nylon plate (12) horizontally arranged in a top bolting way is in contact with the bottom surface of the floating roof in the storage tank for supporting;
The T-shaped screw rod (2) is fixed and not rotated, the nut rotates to drive the inner tube (9) of the supporting leg and the bearing seat (13) synchronously rotate, the T-shaped screw rod (2) moves up and down to lift and descend, the cap seat (15) synchronously lifts along with the bearing seat (13), the bearing seat (13) is connected with the cap seat (15) through a thrust bearing (14) to relatively rotate, and the cap seat (15) keeps not rotating.
2. The novel height-adjustable landing leg for the inner floating roof storage tank according to claim 1, wherein an inner pipe limit stop ring (7) is arranged at the top end of the outer pipe (1) of the landing leg, the inner ring of the inner pipe extends into the outer pipe of the landing leg in the radial direction, and a limit bolt (8) which is arranged in the radial direction is connected with the pipe wall at the lower end of the inner pipe (9) of the landing leg in a threaded manner and extends to the lower part of the limit stop ring (7) to be in contact with the limit stop ring; the inner pipe limiting baffle ring (7) is sleeved with a buckling nut (6) through the outside, the buckling nut is connected with the top end of the outer pipe of the supporting leg in a threaded mode, and the top end of the buckling nut is provided with an annular convex edge (61) extending inwards in the radial direction and buckled on the inner pipe limiting baffle ring (7) to be pressed and fixed.
3. The novel height-adjustable landing leg for the inner floating roof storage tank according to claim 1, wherein a cap seat axial limiting plate (16) horizontally arranged below the bearing seat is fixedly connected with the bottom end of the cap seat shaft through bolts and is blocked and limited by the bottom of the bearing seat.
4. The novel height-adjustable support leg for the inner floating roof storage tank according to claim 1, wherein the bottom of the support leg outer pipe (1) and the bottom of the support leg inner pipe (9) are provided with oil inlet/outlet holes (901).
5. The novel height-adjustable landing leg for the inner floating roof storage tank according to claim 1, wherein the pitch between the pin insertion holes (91) is set to be an integral multiple of the screw threads of the T-shaped screw (2), and after the T-shaped screw (2) rotates for an integral circle, the pin insertion holes (91) correspond to the pin limiting through holes (10);
the pin limiting perforation (10) is transversely arranged to be an oval slot hole, and the pin insertion hole (91) is arranged to be a round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111655478.4A CN114104530B (en) | 2021-12-30 | 2021-12-30 | Novel but interior floating roof storage tank height-adjusting landing leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111655478.4A CN114104530B (en) | 2021-12-30 | 2021-12-30 | Novel but interior floating roof storage tank height-adjusting landing leg |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114104530A CN114104530A (en) | 2022-03-01 |
| CN114104530B true CN114104530B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111655478.4A Active CN114104530B (en) | 2021-12-30 | 2021-12-30 | Novel but interior floating roof storage tank height-adjusting landing leg |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244487A (en) * | 1979-04-02 | 1981-01-13 | Ultraflote Corporation | Floating cover having pivotally connected flotation pontoons |
| DE3812625C1 (en) * | 1988-04-15 | 1989-03-09 | Kaldewei, Franz-Dieter, 4730 Ahlen, De | Height-adjusting device for a supporting leg of a carrying frame for receiving a bathtub or shower tray |
| US5060903A (en) * | 1989-03-30 | 1991-10-29 | Peri Gmbh | Telescopic shuttering support |
| US5490605A (en) * | 1994-06-20 | 1996-02-13 | Cutts; William T. | Floating roof storage tank |
| WO1998008422A1 (en) * | 1996-08-30 | 1998-03-05 | Fehlbaum & Co. | Vertical supporting post |
| JP2006096372A (en) * | 2004-09-28 | 2006-04-13 | Ishii Iron Works Co Ltd | Structure of penetrating part of floating roof |
| CN200946021Y (en) * | 2006-09-13 | 2007-09-12 | 沈国平 | Water sealing type delayed coking coke cooling water floating roof tank |
| EP2455563A2 (en) * | 2010-11-19 | 2012-05-23 | Harsco Infrastructure Services GmbH | Headpiece for attachment to the front of a construction support and method |
| KR20130021638A (en) * | 2011-08-23 | 2013-03-06 | 현대중공업 주식회사 | Support leg device for floating roof oil tank |
| EP2649902A2 (en) * | 2012-04-13 | 2013-10-16 | Reutlinger GmbH | Telescope holder with clamping device |
| AU2014202184A1 (en) * | 2013-04-23 | 2014-11-06 | Abtrov Pty Limited | Holding device |
| JP2016033025A (en) * | 2014-07-31 | 2016-03-10 | 株式会社石井鐵工所 | Floating roof supporting base structure |
| CN205345838U (en) * | 2016-01-14 | 2016-06-29 | 西安长庆科技工程有限责任公司 | Height -adjustable's buoyancy module pillar |
| JP2019137487A (en) * | 2018-02-08 | 2019-08-22 | アイシン産業株式会社 | Hopper feeder |
| CN209568343U (en) * | 2018-11-12 | 2019-11-01 | 徐州新路缘机械科技有限公司 | Rectangular adjustable clearance heavy load height adjustment leg structure |
| CN212315257U (en) * | 2020-02-21 | 2021-01-08 | 内蒙古呼和浩特市立信电气技术有限责任公司 | Coal sample lifting device |
| CN212613929U (en) * | 2020-03-12 | 2021-02-26 | 沃德林科环保设备（北京）有限公司 | Adjustable steel support for glass fiber reinforced plastic floating plate construction |
| CN216685722U (en) * | 2021-12-30 | 2022-06-07 | 沃德林科环保设备（北京）有限公司 | Novel height-adjustable landing leg of inner floating roof storage tank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2418165A1 (en) * | 2003-01-31 | 2004-07-31 | Paul Gillespie, D/B/A/ Gillespie Practical Technologies Company | Adjustable shoring post |
-
2021
- 2021-12-30 CN CN202111655478.4A patent/CN114104530B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244487A (en) * | 1979-04-02 | 1981-01-13 | Ultraflote Corporation | Floating cover having pivotally connected flotation pontoons |
| DE3812625C1 (en) * | 1988-04-15 | 1989-03-09 | Kaldewei, Franz-Dieter, 4730 Ahlen, De | Height-adjusting device for a supporting leg of a carrying frame for receiving a bathtub or shower tray |
| US5060903A (en) * | 1989-03-30 | 1991-10-29 | Peri Gmbh | Telescopic shuttering support |
| US5490605A (en) * | 1994-06-20 | 1996-02-13 | Cutts; William T. | Floating roof storage tank |
| WO1998008422A1 (en) * | 1996-08-30 | 1998-03-05 | Fehlbaum & Co. | Vertical supporting post |
| JP2006096372A (en) * | 2004-09-28 | 2006-04-13 | Ishii Iron Works Co Ltd | Structure of penetrating part of floating roof |
| CN200946021Y (en) * | 2006-09-13 | 2007-09-12 | 沈国平 | Water sealing type delayed coking coke cooling water floating roof tank |
| EP2455563A2 (en) * | 2010-11-19 | 2012-05-23 | Harsco Infrastructure Services GmbH | Headpiece for attachment to the front of a construction support and method |
| KR20130021638A (en) * | 2011-08-23 | 2013-03-06 | 현대중공업 주식회사 | Support leg device for floating roof oil tank |
| EP2649902A2 (en) * | 2012-04-13 | 2013-10-16 | Reutlinger GmbH | Telescope holder with clamping device |
| AU2014202184A1 (en) * | 2013-04-23 | 2014-11-06 | Abtrov Pty Limited | Holding device |
| JP2016033025A (en) * | 2014-07-31 | 2016-03-10 | 株式会社石井鐵工所 | Floating roof supporting base structure |
| CN205345838U (en) * | 2016-01-14 | 2016-06-29 | 西安长庆科技工程有限责任公司 | Height -adjustable's buoyancy module pillar |
| JP2019137487A (en) * | 2018-02-08 | 2019-08-22 | アイシン産業株式会社 | Hopper feeder |
| CN209568343U (en) * | 2018-11-12 | 2019-11-01 | 徐州新路缘机械科技有限公司 | Rectangular adjustable clearance heavy load height adjustment leg structure |
| CN212315257U (en) * | 2020-02-21 | 2021-01-08 | 内蒙古呼和浩特市立信电气技术有限责任公司 | Coal sample lifting device |
| CN212613929U (en) * | 2020-03-12 | 2021-02-26 | 沃德林科环保设备（北京）有限公司 | Adjustable steel support for glass fiber reinforced plastic floating plate construction |
| CN216685722U (en) * | 2021-12-30 | 2022-06-07 | 沃德林科环保设备（北京）有限公司 | Novel height-adjustable landing leg of inner floating roof storage tank |
Non-Patent Citations (2)
| Title |
|---|
| 低库存运行下降低内浮顶储罐浮盘安装高度的实践与启示;刘辉;;石油库与加油站;20200820(04);第3、11-14页 * |
| 油罐内浮盘活动支柱的改进与安全清罐;张贵金;石油商技;19971231(03);第46-47页 * |
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| CN114104530A (en) | 2022-03-01 |
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