CN214498896U - Safe vertical ladder for drum net - Google Patents
Safe vertical ladder for drum net Download PDFInfo
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- CN214498896U CN214498896U CN202120591555.3U CN202120591555U CN214498896U CN 214498896 U CN214498896 U CN 214498896U CN 202120591555 U CN202120591555 U CN 202120591555U CN 214498896 U CN214498896 U CN 214498896U
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- vertical ladder
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Abstract
The utility model discloses a safe vertical ladder for a drum net, which comprises at least two vertical ladder units which are connected up and down; each vertical ladder unit comprises a vertical ladder frame, a plurality of side plates respectively arranged on each side of the vertical ladder frame, a first rotary platform arranged at the bottom of the vertical ladder frame, and a vertical ladder arranged in the vertical ladder frame; at least one side plate is a movable side plate, the lower end of the movable side plate is rotatably connected with the bottom of the side surface where the side plate is located, and the upper end of the movable side plate is connected with the top of the side surface through a suspension cable; a gap is reserved between one side of the first rotary platform and the inner side of the bottom of the vertical ladder frame to form a through opening; the first rotary platforms of two vertical ladder units which are adjacent up and down are staggered; the upper end of the vertical ladder is arranged in the top of the vertical ladder frame, and the lower end of the vertical ladder is supported on the first rotary platform. The utility model discloses a safe vertical ladder for drum net, form through the concatenation from top to bottom of a plurality of vertical ladder units, vertical ladder unit circumference is sealed through the curb plate, avoids personnel to fall outside vertical ladder unit; a rotary platform is arranged in the device, so that the single movement height of the personnel is reduced.
Description
Technical Field
The utility model relates to a nuclear power plant drum net overhauls technical field, especially relates to a drum net is with safe ladder of erecting.
Background
The nuclear power plant drum net is the mechanical device that filters used sea water, and every time the material change is shut down the overhaul and all need overhaul and anticorrosive treatment to it, and the maintenance that the drum net overhauld need set up personnel and get into the drum net bottom erects the ladder. The installation position of the vertical ladder is a seawater taking runner, and the permanent fixed vertical ladder cannot be installed due to the influence of the corrosive environment of seawater, water flow and the like when the unit is soaked in seawater all the year round.
The drop height of the vertical ladder for overhauling is up to 13 meters, and other parts of the vertical ladder are suspended and cannot be fixed except for a wellhead for installing the vertical ladder. Due to the high fall, the personnel shake seriously in the process of going up and down the vertical ladder. The drum net overhauls throughout overhaul and erects ladder user personnel many, and erects ladder installation position light dim, the environment is wet and smooth, and personnel's use risk is very high, can only single use in the use, and personnel are current inefficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned prior art's that provides defect, provide a safe ladder that erects for drum net that the installation is convenient rapid, reliable and stable and the current rate is high.
The utility model provides a technical scheme that its technical problem adopted is: the safe vertical ladder for the drum net comprises at least two vertical ladder units which are connected up and down; each vertical ladder unit comprises a vertical ladder frame, a plurality of side plates respectively arranged on each side of the vertical ladder frame, a first rotary platform arranged at the bottom of the vertical ladder frame, and a vertical ladder arranged in the vertical ladder frame;
at least one side plate is a movable side plate, the lower end of the side plate is rotatably connected with the bottom of the side face, the upper end of the side plate is connected with the top of the side face through a suspension cable, and the side face is closed or horizontally placed relative to the side face through the retraction and release of the suspension cable;
a gap is reserved between one side of the first rotary platform and the inner side of the bottom of the vertical ladder frame to form a through opening; the first rotary platforms of two vertically adjacent vertical ladder units are staggered; the upper end of the vertical ladder is arranged in the top of the vertical ladder frame, and the lower end of the vertical ladder is supported on the first rotary platform.
Preferably, in two vertically adjacent vertical ladder units, the upper end of the vertical ladder unit located below corresponds to the inside of the through hole at the bottom of the vertical ladder unit located above.
Preferably, the side plate comprises a side plate frame body and a protective net paved in the side plate frame body.
Preferably, the top and the bottom of each vertical ladder unit are respectively provided with a matched unit connecting piece.
Preferably, the escalator unit further comprises a moving guide wheel provided outside the escalator frame.
Preferably, the moving guide wheels are disposed outside a junction of the two vertical ladder frames.
Preferably, the safety vertical ladder for the drum net further comprises a suspension cable controller which is connected with and used for retracting the suspension cable; the suspension cable controller is arranged on the vertical ladder frame.
Preferably, the vertical ladder unit further comprises a second swing platform disposed at the top of the vertical ladder frame; the second rotary platform is staggered with the first rotary platform arranged at the bottom of the vertical ladder frame.
Preferably, guardrails are respectively arranged on two opposite sides of the movable side plate in the height direction.
Preferably, the height of the guard rail is less than or equal to the width of the adjacent side plate.
The safe vertical ladder for the drum net is designed in a segmented manner, and is formed by splicing a plurality of vertical ladder units up and down, and the vertical ladder units are circumferentially sealed by side plates, so that personnel are prevented from falling out of the vertical ladder units; establish rotary platform in, reduce personnel single and remove the height, the atress that ensures many people under the user situation erects the ladder is firm, and rotary platform can regard as personnel to have a rest temporarily and upper and lower junction, and personnel can be from top to bottom simultaneously under the assurance narrow and small space, and personnel reciprocate the security height.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic perspective view of a safety vertical ladder for a drum net according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a safety vertical ladder for a drum net according to another embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the safety vertical ladder for drum net of an embodiment of the present invention includes at least two vertical ladder units 1 connected up and down.
Each vertical ladder unit 1 comprises a vertical ladder frame 10, a plurality of side plates 20 respectively arranged on each side surface of the vertical ladder frame 10, a first rotary platform 30 arranged at the bottom of the vertical ladder frame 10, and a vertical ladder 40 arranged in the vertical ladder frame 10. The vertical ladder 40 is disposed at its upper end within the top of the vertical ladder frame 10 and at its lower end supported on the first revolving platform 30.
The first revolving platform 30 covers the bottom of the vertical ladder frame 10, and a space is left between one side of the first revolving platform 30 and the inner side of the bottom of the vertical ladder frame 10 to form a passing opening 50 through which people or equipment can pass.
The first rotary platforms 30 of two vertical ladder units 1 adjacent up and down are arranged in a staggered manner, and the through openings 50 are correspondingly staggered; the upper end of the vertical ladder 40 of the vertical ladder unit 1 located below corresponds to the inside of the passage opening 50 at the bottom of the vertical ladder unit 1 located above. The first rotary platforms 30 are arranged in a staggered mode, so that the vertical ladders 40 of two vertically adjacent vertical ladder units 1 are not connected in the vertical direction, a segmented rotary vertical ladder structure is formed, the single-movement height of personnel is reduced, and the total fall of the whole safe vertical ladder is reduced. In addition, the first rotary platform 30 can be used as a temporary rest point for personnel, so that the up-and-down movement safety of the personnel is improved, and the traffic rate of the vertical ladder is improved.
Specifically, the ladder frame 10 may be, but is not limited to, a cubic structure, for which the ladder frame 10 has four sides, with one side panel 20 disposed on each side. The arrangement of the plurality of side plates 20 surrounds the vertical ladder frame 10 to form a side non-open frame, so that the safety of the vertical ladder frame is improved, and personnel are prevented from falling off the vertical ladder frame 10 when falling off accidentally.
At least one side plate 20 in a plurality of side plates 20 of the vertical ladder unit 1 is a movable side plate, the lower end of the movable side plate is rotatably connected with the bottom of the side face where the movable side plate is located, the upper end of the movable side plate is connected with the top of the side face through a suspension cable 60, the movable side plate is tensioned at the side face and the side face is closed through the retraction of the suspension cable 60, or the movable side plate is put down to be away from the side face where the movable side plate is located and can be horizontally placed relative to the side face.
The side plate 20 which is horizontally placed can be used as a working space for a new working platform expander, and can also be used as a connecting bridge floor for connecting the vertical ladder frame 10 with other working surfaces, so that the personnel can leave the vertical ladder and go to a target working surface conveniently.
In order to realize the retraction control of the suspension cable 60, the safety vertical ladder for the drum net of the utility model further comprises a suspension cable controller 70 which is connected with and retracts the suspension cable 60. The rope controller 70 may be provided on the ladder frame 10. The suspension cables 60 of each movable side plate can be connected and controlled by a suspension cable controller 70 so that the plurality of movable side plates can rotate independently relative to the shaft frame 10.
In order to take account of ventilation, light transmission, and the like, each side panel 20 (including the movable side panel) may include a side panel frame 21 and a protective net 22 laid in the side panel frame 21. The number of the movable side plates can be one according to actual needs, or all the side plates 20 can be set as movable side plates.
Further, the utility model discloses an in the safe ladder of erecting for drum net, the top and the bottom of each perpendicular ladder unit 1 are equipped with the unit connecting piece 80 of looks adaptation respectively. The unit connecting members 80 are mainly disposed at the top and bottom of the vertical ladder frame 10, and facilitate the vertical ladder frame 10 to be spliced up and down. The unit connector 80 may be a mating snap-fit assembly, a male-female mating assembly, a shaft-and-socket mating assembly, or the like.
Furthermore, the utility model discloses a safe vertical ladder for drum net still can be including setting up and moving leading wheel 90 in the vertical ladder frame 10 outside, be convenient for vertical ladder unit 1 daily removal transportation and the installation in the well. The guide wheels 90 are moved to enable the vertical ladder to be installed more conveniently, the vertical ladder frame 10 is protected from wall friction in the installation process, and particularly the vertical ladder is installed in a vertical shaft with more sundries such as shells and the like in the similar marine environment.
As shown in fig. 1, in the case of the safety ladder for a netting in the present embodiment including two upper and lower ladder units 1, the moving guide wheels 90 are provided outside the joint of the two ladder frames 10.
The stairlift unit 1 further comprises a second revolving platform 100 arranged on top of the stairlift frame 10, on which persons can rest. The second swing platform 100 is offset from the first swing platform 30 disposed at the bottom of the vertical ladder frame 10.
As shown in fig. 2, the safety vertical ladder for drum net of another embodiment of the present invention comprises at least two vertical ladder units 1 connected up and down.
Each vertical ladder unit 1 comprises a vertical ladder frame 10, a plurality of side plates 20 respectively arranged on each side surface of the vertical ladder frame 10, a first rotary platform 30 arranged at the bottom of the vertical ladder frame 10, and a vertical ladder 40 arranged in the vertical ladder frame 10. The vertical ladder 40 is disposed at its upper end within the top of the vertical ladder frame 10 and at its lower end supported on the first revolving platform 30.
The first revolving platform 30 covers the bottom of the vertical ladder frame 10, and a space is left between one side of the first revolving platform 30 and the inner side of the bottom of the vertical ladder frame 10 to form a passing opening 50 through which people or equipment can pass.
The first rotary platforms 30 of two vertical ladder units 1 adjacent up and down are arranged in a staggered manner, and the through openings 50 are correspondingly staggered; the upper end of the vertical ladder 40 of the vertical ladder unit 1 located below corresponds to the inside of the passage opening 50 at the bottom of the vertical ladder unit 1 located above. The first rotary platforms 30 are arranged in a staggered mode, so that the vertical ladders 40 of two vertically adjacent vertical ladder units 1 are not connected in the vertical direction, a segmented rotary vertical ladder structure is formed, the single-movement height of personnel is reduced, and the total fall of the whole safe vertical ladder is reduced. In addition, the first rotary platform 30 can be used as a temporary rest point for personnel, so that the safety of the personnel moving up and down is improved.
The arrangement of the ladder frame 10, the side plates 20, the first revolving platform 30, etc. can be referred to the embodiment shown in fig. 1 described above.
The difference from the above embodiment is: in this embodiment, a guard rail 21 is provided on the side plate 20 as the movable side plate. The guard rails 21 are provided on opposite sides in the height direction of the movable side plate. When the movable side plate is placed horizontally relative to the vertical ladder frame 10, the guard rails 21 are vertically arranged on two opposite sides of the movable side plate, so that the personnel on the movable side plate can be protected and can be prevented from falling accidentally.
When the movable side plate is folded in the vertical ladder frame 10, the guard rails 21 on the movable side plate are attached in parallel or close to the inner sides of the adjacent side plates 20, so that the passing of personnel and the like in the inner space of the vertical ladder frame 10 is not influenced. In this regard, the height of the guard rail 21 must be less than or equal to the width of the adjacent side panel 20, where the height of the guard rail 21 refers to the height of the guard rail 21 above the movable side panel that lies flat.
The utility model discloses a when drum net was used with safe perpendicular ladder, according to the degree of depth or the height determination according to operation environment (like the well) corresponding quantity perpendicular ladder unit 1, will erect ladder unit 1 and splice about as one and place in the well in, supply personnel's upper and lower current, realize the maintenance or the high altitude construction of nuclear power plant drum net.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A safe vertical ladder for a drum net is characterized by comprising at least two vertical ladder units which are connected up and down; each vertical ladder unit comprises a vertical ladder frame, a plurality of side plates respectively arranged on each side of the vertical ladder frame, a first rotary platform arranged at the bottom of the vertical ladder frame, and a vertical ladder arranged in the vertical ladder frame;
at least one side plate is a movable side plate, the lower end of the side plate is rotatably connected with the bottom of the side face, the upper end of the side plate is connected with the top of the side face through a suspension cable, and the side face is closed or horizontally placed relative to the side face through the retraction and release of the suspension cable;
a gap is reserved between one side of the first rotary platform and the inner side of the bottom of the vertical ladder frame to form a through opening; the first rotary platforms of two vertically adjacent vertical ladder units are staggered; the upper end of the vertical ladder is arranged in the top of the vertical ladder frame, and the lower end of the vertical ladder is supported on the first rotary platform.
2. The safety ladder for a drum net according to claim 1, wherein, in two adjacent vertical ladder units up and down, the upper end of the vertical ladder unit located below corresponds to the passage opening at the bottom of the vertical ladder unit located above.
3. The safety vertical ladder for a drum net according to claim 1, wherein the side plate comprises a side plate frame body and a protective net laid in the side plate frame body.
4. The safety ladder for drum networks according to claim 1, characterized in that the top and bottom of each of the ladder units are respectively provided with adapted unit connectors.
5. The safety ladder for a drum net according to claim 1, wherein the ladder unit further comprises a moving guide wheel provided outside the ladder frame.
6. The safety ladder for drum networks according to claim 5, characterized in that the moving guide wheels are arranged outside the junction of two of the ladder frames.
7. The safety ladder for a drum net according to claim 1, further comprising a suspension rope controller connecting and retracting the suspension rope; the suspension cable controller is arranged on the vertical ladder frame.
8. The safety ladder for a drum net according to claim 1, wherein the ladder unit further comprises a second swing platform provided on top of the ladder frame; the second rotary platform is staggered with the first rotary platform arranged at the bottom of the vertical ladder frame.
9. The safety ladder for drum net according to any one of claims 1 to 8, characterized in that guard rails are further provided on the opposite sides of the movable side plate in the height direction.
10. The safety ladder for a drum net according to claim 9, wherein the height of the guard rail is less than or equal to the width of the adjacent side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120591555.3U CN214498896U (en) | 2021-03-23 | 2021-03-23 | Safe vertical ladder for drum net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120591555.3U CN214498896U (en) | 2021-03-23 | 2021-03-23 | Safe vertical ladder for drum net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214498896U true CN214498896U (en) | 2021-10-26 |
Family
ID=78199360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120591555.3U Active CN214498896U (en) | 2021-03-23 | 2021-03-23 | Safe vertical ladder for drum net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214498896U (en) |
-
2021
- 2021-03-23 CN CN202120591555.3U patent/CN214498896U/en active Active
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