CN214403412U - Low temperature storage tank's dish ladder - Google Patents
Low temperature storage tank's dish ladder Download PDFInfo
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- CN214403412U CN214403412U CN202022989309.1U CN202022989309U CN214403412U CN 214403412 U CN214403412 U CN 214403412U CN 202022989309 U CN202022989309 U CN 202022989309U CN 214403412 U CN214403412 U CN 214403412U
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- storage tank
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- ladder
- temperature storage
- pile
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- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 3
- 241001584775 Tunga penetrans Species 0.000 claims 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009194 climbing Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present disclosure provides a low temperature storage tank's dish ladder, its one side of locating the low temperature storage tank to by ground access to the top of low temperature storage tank, the dish ladder of low temperature storage tank includes: the device comprises a central pile vertically and fixedly arranged on one side of the low-temperature storage tank, a step which is spirally arranged from the ground to the top of the low-temperature storage tank in an upward mode around the central pile, and a cylindrical protection cage which is sleeved on the central pile and at the outer end of the step. The protective cage takes the central pile as a circle center, and the inner side of the protective cage is fixedly connected with the outer end of the step. This dish ladder can make the operation personnel can use the dish ladder to reach the top of cryogenic tank like going upstairs up usually, and need not only can use both arms to scramble and do not have any safeguard measure like using the vertical ladder any more, has improved the travelling comfort about the operation personnel, more makes things convenient for operation personnel's operation to the risk of its stair of going upstairs and downstairs has been reduced.
Description
Technical Field
The utility model relates to a low temperature storage tank field, in particular to dish ladder of low temperature storage tank.
Background
The large-scale vertical cylindrical concrete low-temperature storage tank is usually used with a ladder stand so as to facilitate the operation and construction of workers on the top of the tank body. However, the existing concrete low-temperature storage tank ladder stand usually adopts a vertical ladder stand structure perpendicular to the ground, the structure needs both hands of an operator to climb, the protection performance is lower, certain accidental falling and overturning risks exist on the way of the operator, and the existing vertical ladder stand cannot effectively protect the safety of the operator once the situation occurs, and the structure has a single function, is inconvenient to use in daily operation due to the fact that a plurality of operators need to go up and down or carry the operation, and is inconvenient to use in daily operation.
Disclosure of Invention
An object of this disclosure is to provide a coil ladder of cryogenic storage tank to the travelling comfort is not high, uses inconvenient technical problem about the cat ladder of cryogenic storage tank in solving prior art.
In order to solve the technical problem, the following technical scheme is adopted in the disclosure:
according to an aspect of the present disclosure, there is provided a winding step of a cryogenic tank, which is provided at one side of the cryogenic tank and opens to a top of the cryogenic tank, comprising: the central pile is vertically and fixedly arranged on one side of the low-temperature storage tank; the step is spirally arranged around the central pile from the ground to the top of the low-temperature storage tank upwards; the protective cage is cylindrical, is sleeved on the central pile and the outer end of the step, takes the central pile as the circle center, and is fixedly connected with the outer end of the step.
According to the technical scheme, the method has the advantages that:
in the disclosure, by arranging the winding ladder on one side of the cryogenic storage tank, an operator can use the winding ladder to reach the top of the cryogenic storage tank as usual going upstairs, and the operator does not need to climb by using two arms and has no protective measures like using a vertical ladder. The travelling comfort of the operating personnel is improved, the operating personnel can operate and use more conveniently, and the risk of going upstairs and downstairs is reduced.
Drawings
Fig. 1 is a schematic structural view of a coil ladder of a cryogenic tank according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural view of a step of the disc ladder of the embodiment of fig. 1.
Fig. 3 is a schematic structural view of a step of the disc ladder of another embodiment of fig. 1.
Fig. 4 is a schematic end view of the step of fig. 3 on the side near the strut.
Fig. 5 is a schematic end view of the step of fig. 3 on the side close to the cage.
Fig. 6 is a schematic structural view of a cage top of the spiral ladder of fig. 1.
Fig. 7 is a side view of fig. 6.
Fig. 8 is a schematic structural diagram of the connection between the spiral ladder and the cryogenic storage tank in the embodiment of fig. 1.
Fig. 9 is a top view of the cage of fig. 8.
Fig. 10 is a schematic view of a further construction of the cage of fig. 8.
The reference numerals are explained below:
the center pile 100, the step 200, the handrail 300, the protective cage 400, the support frame 500 and the resting platform 600; pile foundation 110, support column 120; step beam 210, step plate 220, connecting piece 230, step vertical plate 211, step flat plate 212, step upper plate 214, step lower plate 215 and step side plate 260; the framework 410, the fixing ring 420, the connecting ring 430 and the connecting beam 440; support beams 510, embedments 520, truss structures 530, side beams 540, and arched beams 550.
Detailed Description
Exemplary embodiments that embody features and advantages of the present disclosure will be described in detail in the following description. It is to be understood that the disclosure is capable of various modifications in various embodiments without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.
Referring to fig. 1, the present disclosure provides a winding ladder 1 of a cryogenic storage tank, which is disposed at one side of the cryogenic storage tank 2 and leads to the top of the cryogenic storage tank 2 from the ground, and the winding ladder 1 of the cryogenic storage tank includes a center pile 100, a step 200, and a cage 400.
The center pile 100 is vertically and fixedly installed at one side of the cryogenic storage tank 2, and includes a pile foundation 110 driven into the ground and a support column 120 vertically connected to the pile foundation 110, and the support column 120 stands on the ground by means of the pile foundation 110 and serves as a support for other structures of the disc ladder 1. Steps 200 are helically disposed from the ground up to the top of cryogenic tank 2 around legs 120 and communicate with the top of cryogenic tank 2 to enable the relevant personnel to reach from the ground up to the top of cryogenic tank 2. The step 200 may communicate with the top of the cryogenic tank 2 through a top platform. The cage 400 is cylindrical, is sleeved on the outer ends of the central pile 100 and the step 200, takes the central pile 100 as a circle center, has an inner wall connected and fixed with the outer end of the step 200, and has a spiral bottom end following the step 200 at the same time.
Referring to fig. 2, the step 200 includes a step beam 210 connected between the cage 400 and the center pile 100, and a step plate 220 laid on the step beam 210. The step plate 220 may be a solid plate. Each step plate 220 is in a shape of a sector with a central angle ranging from 18 degrees to 22 degrees and an arc length ranging from 280 mm to 500 mm, so that the sole of an operator can completely step on the step plate 220 in the climbing process, and meanwhile, the phenomenon that the operator needs to step when going upstairs and downstairs is excessively large is avoided, and the comfort of the operator when going upstairs and downstairs is ensured.
In the embodiment of the present disclosure, each step includes at least two step beams 210, and in the embodiment, two step beams and three step beams are illustrated.
When there are two step beams 210, they are respectively disposed at two linear edges of the step plate 220 to support the step plate 220. Meanwhile, the two step beams 210 are respectively located on the same vertical line with one of the step beams of the previous step and the next step.
When there are three step beams 210, i.e., on the basis of the two step beams 210, a step beam 210 located on the center line of the step plate 220 is additionally provided to better support the step plate 220.
In other embodiments of the present disclosure, a connecting member 230 is disposed between the step beam 210 and the pillar 120. In this embodiment, the connecting member 230 is a section of channel steel welded to the outer edge of the pillar 120 along the circumferential direction, and the slotted side of the channel steel is disposed toward the step beam 210. One end of the step beam 210 facing the connection member 230 is inserted into the groove of the connection member 230 and is fixedly coupled to the connection member 230. To reinforce the coupling strength between the step beam 210 and the pillar 120.
Referring to fig. 3-5 in combination, in another embodiment of the present disclosure, the step beam 210 may include a step riser 211 and a step slab 212. The step plate 220 is laid on the step flat plate. The step vertical plate 211 is fixedly arranged on the central line of the bottom of the step flat plate 212, and the width of the vertical surface of the step vertical plate can be gradually reduced from the end connected with the pillar 120 to the end fixed with the protective cage 400. So as to reduce the dead weight on the premise of ensuring the supporting strength. Meanwhile, one side of the step flat plate 212 facing the upper step of the step is provided with an upper vertical step plate 214, one side facing the lower step of the step is provided with a lower vertical step plate 215, and the height of the upper step plate 214 is consistent with that of the lower step plate. The upper step plate 214 of each step is in the same line with the lower step plate 215 of the step above the upper step, and a certain space is provided between the upper and lower step plates, or the upper and lower step plates can be directly abutted, contacted and fixedly connected together. So as to prevent a part of the small objects carried or transported by the worker from falling from the gap between the two step plates 220 when the worker goes up and down the stairs. Meanwhile, the step lower plate 215 and the step upper plate 214 may also increase the contact area between the step 200 and the support column 120 and the cage 400, so as to enhance the connection strength between the step 200 and the support column 120 and the cage 400.
With continued reference to fig. 5, in another embodiment of the present disclosure, a step side plate 260 may be further disposed on a side of the step plate 220 facing the cage 400. The step side plate 260 has a parallelogram shape, and a pair of parallel sides thereof is overlapped with the step lower plate 215 and the step upper plate 214 of the step 200, so as to further increase the contact area between the step 200 and the support column 120 and the protective cage 400, and further increase the connection strength between the step 200 and the support column 120 and the protective cage 400.
Referring to fig. 6 and 7, the cage 400 includes a plurality of frames 410 vertically disposed around the outer end of the step 200 and a plurality of fixing rings 420 fixed around the outer sides of the plurality of frames 410. A plurality of retaining rings 420 are spaced downwardly from the top of the frame 410 along the frame to grip the frame 410. In other embodiments, a connection ring 430 may be further disposed on the inner side of the top of the framework 410, a plurality of radially disposed connection beams 440 are spaced between the connection ring 430 and the support column 120, the connection ring 430 is made of a channel steel, one side of the channel is an inner side of the channel steel, and one end of the connection beam 440 facing the connection ring 430 extends into the channel of the connection ring 430 and is fixedly connected to the connection ring 430, so as to enhance the connection strength between the protective cage 400 and the support column 120.
In some embodiments of the present disclosure, the inside of the cage 400 is further provided with handrails 300 (shown in fig. 2, 3 and 10) spaced apart from and parallel to the spiral direction of the steps 200. The handrail 300 is fit and fixed on the inner side of the framework 410, and the vertical distance between the handrail and the step 200 is not less than 1050 mm, so that the handrail can be conveniently supported by workers.
In an embodiment of the present disclosure, referring to fig. 8 to 10, a plurality of support frames 500 may be transversely disposed between the central pile 100 and the cryogenic storage tank 2, one end of each support frame 500 is fixedly connected to the central pile 100, and the other end of each support frame 500 is fixedly connected to a sidewall of the cryogenic storage tank to connect the central pile 100 and the cryogenic storage tank 2, and reinforce the support structure of the central pile 100, the plurality of support frames 500 are disposed along the pillar 120 at predetermined intervals, preferably, the predetermined distance is not more than 8 meters, so as to ensure the support strength of the whole disc ladder 1, and in this embodiment, the predetermined distance is 8 meters.
In some embodiments of the present disclosure, the supporting frame 500 includes two supporting beams 510 extending horizontally from the supporting column 120 to the sidewall of the cryogenic tank 2, and the two supporting beams 510 are symmetrical about the connecting line between the supporting column 120 and the cryogenic tank 2 and form an isosceles triangle with the sidewall of the cryogenic tank 2. One end, facing the side wall of the low-temperature storage tank 2, of the support beam 510 is connected with an embedded part 520, and the embedded part 520 is embedded into the side wall of the low-temperature storage tank 2 and is integrally formed with the side wall of the low-temperature storage tank 2. In this embodiment, the embedded part 520 is integrally formed with the side wall of the low temperature storage tank 2 during casting, and then the supporting beam 510 may be connected to the embedded part 520 by welding or screwing during installation. Meanwhile, it can be understood that a truss structure 530 is disposed between the two support beams 510 to enhance the supporting strength of the support beams 510.
In another embodiment of the present disclosure, the supporting frame 500 further includes two side beams 540 respectively disposed at the outer sides of the two supporting beams 510. The side beams 540 each extend horizontally in the radial direction to the vicinity of the cage 400 by the pillars 120, and are connected at their ends by arc beams 550. Meanwhile, the horizontally arranged rest platforms 600 are further laid on the two side beams 540 and the arc-shaped beam 550, and two ends of the rest platforms 600 are communicated with the steps 200 at corresponding positions so that the operating personnel can rest on the way of going up and down the winding ladder. Therefore, the distance between the supporting frames 500 is not more than 8 m, so that the operation personnel can be helped to have a rest in time, and the situation that the operation personnel cannot have a rest due to the fact that the distance between the operation personnel and the rest platform 600 is too far when the operation personnel need to have a rest is avoided. Wherein, the resting platform 600 can be a solid plate or a grid plate. Each resting platform 600 is in a uniform fan shape with a central angle of about 100 to 120 degrees and an arc length of about 1800 to 2100 mm to ensure that it has sufficient area for the operator to place the transported articles and rest. Meanwhile, the working personnel are prevented from moving for a long distance on the resting platform 600, so that the physical strength of the working personnel is saved.
The winding ladder 1 proposed by the present disclosure can enable the operator to reach the top of the cryogenic tank using the winding ladder as usual going upstairs, without having to use only double-arm climbing and without any protective measures like using a vertical ladder. The travelling comfort of the operating personnel is improved, the operating personnel can operate and use more conveniently, and the risk of going upstairs and downstairs is reduced.
Compare simultaneously in the dish ladder structure of surrounding in the low temperature storage tank periphery, the area of the dish ladder structure that this disclosure provided is littleer. Moreover, in the technical scheme of the disclosure, the tray ladder 1 mainly depends on the pillar 120 as a main bearing member, the side wall of the low-temperature storage tank only plays a role of auxiliary support, and compared with the tray ladder structure surrounding the periphery of the low-temperature storage tank, the load born by the side plate of the low-temperature storage tank is smaller, so that the side wall of the low-temperature storage tank can be effectively protected, and the damage to the side wall of the low-temperature storage tank is avoided.
While the present disclosure has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present disclosure may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A winding ladder of a cryogenic storage tank, which is arranged at one side of the cryogenic storage tank and is led to the top of the cryogenic storage tank from the ground, and is characterized in that the winding ladder of the cryogenic storage tank comprises:
the central pile is vertically and fixedly arranged on one side of the low-temperature storage tank;
the step is spirally arranged around the central pile from the ground to the top of the low-temperature storage tank upwards;
and the protective cage is in a cylindrical shape with the central pile as a circle center and is sleeved at the outer end of the step, and the inner side of the protective cage is fixedly connected with the outer end of the step.
2. The jigger ladder of claim 1, wherein a plurality of support frames are transversely spaced between the central pile and the cryogenic tank, one end of each support frame is fixedly connected with the central pile, and the other end of each support frame is fixedly connected with the side wall of the cryogenic tank.
3. The jigger of claim 2, wherein the center pile includes a pile foundation driven into the ground and a post vertically connected to the pile foundation; the support frame comprises two support beams which respectively extend to the side wall of the low-temperature storage tank from the radial direction of the support column to the horizontal direction, the two support beams are symmetrical about the central connecting line of the support column and the low-temperature storage tank, and form an isosceles triangle with the side wall of the low-temperature storage tank.
4. The jigger ladder of a cryogenic storage tank of claim 3, wherein an embedded part is connected to both ends of the support beams facing the side wall of the cryogenic storage tank, and the embedded part is embedded in the tank wall of the cryogenic storage tank and is integrally formed with the tank wall.
5. The ladder assembly of claim 4, further comprising a truss structure between the support beams.
6. The plate ladder of claim 5, wherein the support frame further comprises two side beams radially disposed outside the two support beams, and an arc-shaped beam connected to outer ends of the two side beams, wherein a horizontally disposed rest platform is laid on the two side beams and the arc-shaped beam, and both ends of the rest platform are communicated with the steps at corresponding positions.
7. The tray ladder of claim 1, wherein the cage comprises a plurality of vertically disposed frames surrounding the outer ends of the steps and a plurality of retaining rings hooped around the outer sides of the frames.
8. The jigger ladder of claim 1, wherein the step includes a step beam connected between the cage and the center pile and a step plate laid on the step beam; the step plate is a solid plate, and the step beam is fixedly arranged on the central line of the bottom of the step plate and is integrally formed with the step plate.
9. The jigger of claim 8, wherein the step plate has an upper vertical step plate at a side facing an upper step of the step, and a lower vertical step plate at a side facing a lower step of the step, and the upper step plate has a height corresponding to that of the lower step plate.
10. The jigger of claim 9, wherein a side of the step plate facing the protective cage is further provided with a step side plate, the step side plate is parallelogram-shaped, and one pair of parallel sides of the step side plate is overlapped with the step lower plate and the step upper plate of the step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989309.1U CN214403412U (en) | 2020-12-11 | 2020-12-11 | Low temperature storage tank's dish ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022989309.1U CN214403412U (en) | 2020-12-11 | 2020-12-11 | Low temperature storage tank's dish ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403412U true CN214403412U (en) | 2021-10-15 |
Family
ID=78038073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022989309.1U Active CN214403412U (en) | 2020-12-11 | 2020-12-11 | Low temperature storage tank's dish ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403412U (en) |
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2020
- 2020-12-11 CN CN202022989309.1U patent/CN214403412U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 210000 No. 95, Yangcun Third Road, Dachang street, Jiangbei new area, Nanjing, Jiangsu Patentee after: Zhongji anruike Engineering Technology Co.,Ltd. Patentee after: CIMC ENRIC INVESTMENT HOLDINGS (SHENZHEN) Co.,Ltd. Patentee after: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Address before: No.28, Gaoke 1st Road, high tech Development Zone, Nanjing, Jiangsu 210000 Patentee before: NANJING YANGZI PETROCHEMICAL DESIGN ENGINEERING Co.,Ltd. Patentee before: CIMC ENRIC INVESTMENT HOLDINGS (SHENZHEN) Co.,Ltd. Patentee before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. |
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| CP03 | Change of name, title or address |