CN215595441U - Liftable ladder stand for high-aeration-threshold handrail of drainage building - Google Patents

Liftable ladder stand for high-aeration-threshold handrail of drainage building Download PDF

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Publication number
CN215595441U
CN215595441U CN202120141739.XU CN202120141739U CN215595441U CN 215595441 U CN215595441 U CN 215595441U CN 202120141739 U CN202120141739 U CN 202120141739U CN 215595441 U CN215595441 U CN 215595441U
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China
Prior art keywords
ladder stand
aeration
handrail
threshold
liftable
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CN202120141739.XU
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Chinese (zh)
Inventor
马国辉
王孝海
董钟明
赵爽
罗刚
黄纪村
陈舰
董思奇
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China Yangtze Power Co Ltd
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China Yangtze Power Co Ltd
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Priority to CN202120141739.XU priority Critical patent/CN215595441U/en
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Abstract

The utility model discloses a liftable ladder stand for a high-aeration-threshold handrail of a drainage building, which comprises a ladder stand, wherein the ladder stand is connected with an aeration-threshold vertical surface through a plurality of connecting rods; the vertical rods on the two sides of the ladder stand are of hollow structures with openings on the upper surfaces; the inside sleeve pipe that has all pegged graft of montant, the sleeve pipe top is connected with the shrouding. The device has solved current high aeration bank and has overhauld the cat ladder and receive the height restriction, can't provide corresponding handrail and protection device at the cat ladder top when operating personnel uses, causes dangerous problems such as side tipping easily, has simple structure, accessible lift handrail and protects the characteristics that operating personnel at cat ladder top protected.

Description

Liftable ladder stand for high-aeration-threshold handrail of drainage building
Technical Field
The utility model belongs to the field of auxiliary tools for construction of water release buildings, and particularly relates to a liftable ladder stand for a high-aeration bucket handrail of a water release building.
Background
In order to reduce or avoid cavitation erosion damage of a water outlet structure under the action of high-speed water flow, aeration erosion reduction measures are generally adopted at present, wherein the most basic mode is to arrange an aeration bucket. For a water outlet building with high water discharge flow rate, in order to achieve a better aeration corrosion reduction effect, an aeration ridge is usually arranged higher, the maintenance in the operation period is convenient, a fixed stainless steel vertical ladder stand or a pre-embedded steel bar ladder stand is generally arranged on the vertical surface of the aeration ridge, and in order to prevent the influence on flood discharge, the height of the ladder stand cannot exceed the top of the aeration ridge. Because the end part of the ladder stand is still away from the top of the aerator, when an overhaul worker stands on the uppermost part of the ladder stand in the process of using the ladder stand, the armrests and the protection devices are not arranged on the two sides, the balance is difficult to maintain, and the ladder stand is easy to turn on one's side and fall off, so that the danger is caused. Therefore, it is urgently needed to design a liftable ladder stand for the handrail of the high aeration bucket of the drainage building to solve the problems.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a liftable ladder stand with handrails for a high-aeration-threshold of a drainage building, which solves the problem that the existing ladder stand for overhauling the high-aeration-threshold is limited by height, and when an operator uses the ladder stand, the corresponding handrail and a protection device cannot be provided at the top of the ladder stand, so that the danger of side overturning, falling and the like is easily caused.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a lifting ladder stand for a high-aeration-threshold handrail of a drainage building comprises a ladder stand, wherein the ladder stand is connected with an aeration-threshold vertical surface through a plurality of connecting rods; the vertical rods on the two sides of the ladder stand are of hollow structures with openings on the upper surfaces; the inside sleeve pipe that has all pegged graft of montant, the sleeve pipe top is connected with the shrouding.
Preferably, the ladder stand is a stainless steel straight ladder; the vertical rod is the ladder beam of the vertical ladder.
Preferably, the diameter of the sleeve is smaller than the inner diameter of the vertical rod, and the diameter of the sealing plate is larger than the inner diameter of the vertical rod.
Preferably, the upper part of the outer surface of the vertical rod is provided with a plug hole, and a plug connector is arranged in the plug hole.
Preferably, the outer surface of the sleeve is provided with a plurality of through fixing holes at equal intervals along the axial direction, and the fixing holes are in splicing fit with the plug connectors.
Preferably, the plug-in connector is a plug pin, and one end of the plug pin is fixed through a cotter pin.
Preferably, the plug connector is a bolt, and one end of the bolt is fixed through a nut.
Preferably, one end of the plug connector is bound with the connecting rod through a rope; or the magnetic attraction type design is adopted to carry out magnetic attraction, so that the plug connector is prevented from falling and losing after being pulled out.
Preferably, a plurality of elastic bands are tied in the fixing holes of the sleeve positioned at the upper part of the vertical rod to be used as a protective net; the two ends of the elastic band can be connected with the fixed holes in a hook mode, so that the elastic band is convenient to disassemble and assemble.
The liftable ladder stand for the high-aeration-threshold handrail of the drainage building has the following beneficial effects that:
the ladder is provided with the two movable sleeves capable of moving up and down on the basis of the existing ladder stand, is simple in design and convenient to operate, can be conveniently drawn out and fixed during use, provides support and protection for operators, can be additionally provided with the detachable protective net structure, and further reduces the falling risk of the operators during movement; the ladder has the advantages that the ladder can be withdrawn at any time when not used, flood discharge is not influenced, the phenomenon that the maintenance personnel cannot turn on one's side and fall off in the process of using the ladder is effectively avoided, and operation safety is guaranteed.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic structural view of the sleeve of the present invention when it is retracted.
Fig. 2 is a schematic view of the structure of the present invention with the cannula extended.
FIG. 3 is a schematic view of the pin and sleeve mating when the sleeve of the present invention is retracted.
FIG. 4 is a schematic view of the pin and sleeve of the present invention shown in an extended position.
FIG. 5 is a schematic view of the bolt and sleeve of the present invention as the sleeve is retracted.
FIG. 6 is a schematic view of the bolt engaging the bushing when the bushing is extended in accordance with the present invention.
Fig. 7 is a front view of the present invention.
The reference numbers in the figures are: the ladder stand 1, the montant 11, the plug connector 13, the rope 14, the sleeve pipe 2, the fixed orifices 21, the shrouding 3, the bolt 4, the split pin 5, the bolt 6, the aerator 7, the elastic band 8.
Detailed Description
As shown in fig. 1 to 7, a ladder stand for lifting a handrail of a high-aeration bucket of a drainage building comprises a ladder stand 1, wherein the ladder stand 1 is connected with a vertical surface of the aeration bucket 7 through a plurality of connecting rods; the vertical rods 11 on the two sides of the ladder stand 1 are of hollow structures with openings on the upper surfaces; sleeve pipes 2 are inserted into the vertical rods 11, and the top ends of the sleeve pipes 2 are connected with sealing plates 3.
Preferably, the ladder stand 1 is a stainless steel vertical ladder; the vertical rod 11 is the ladder beam of the vertical ladder.
Preferably, the diameter of the cannula 2 is smaller than the inner diameter of the stem 11 and the diameter of the closing plate 3 is larger than the inner diameter of the stem 11.
Preferably, the upper part of the outer surface of the vertical rod 11 is provided with a plug hole, and a plug connector 13 is arranged in the plug hole.
Preferably, the outer surface of the sleeve 2 is provided with a plurality of through fixing holes 21 at equal intervals along the axial direction, and the fixing holes 21 are in plugging fit with the plug 13.
Preferably, the plug 13 is a plug 4, and one end of the plug 4 is fixed by a cotter pin 5.
Preferably, the plug 13 is a bolt 6, and one end of the bolt 6 is fixed by a nut.
Preferably, one end of the plug 13 is tied with the connecting rod through a rope 14; or the magnetic attraction type design is adopted to carry out magnetic attraction, so that the plug connector 13 is prevented from falling and losing after being pulled out.
Preferably, a plurality of elastic bands 8 are tied in the fixing holes 21 of the sleeve 2 positioned at the upper part of the vertical rods 11 to be used as a protective net; the two ends of the elastic band 8 can be connected with the fixing holes 21 in a hook mode, so that the elastic band is convenient to disassemble and assemble.
The working principle of the liftable ladder stand for the high aeration sill handrail of the drainage building is as follows:
when the water release building is overhauled and needs to use the ladder stand 1, firstly, the safety condition of the ladder stand 1 is checked, and when the safe use is confirmed, connecting pieces for fixing are sequentially taken down, wherein the connecting pieces select a plug pin 4 and a cotter pin 5; the movable sleeves 2 on the two sides of the vertical rod 11 of the ladder stand 1 are lifted to a designed position, then the movable sleeves 2 are fixed by the installation bolts 4 to prevent the movable sleeves from moving up and down, and finally the connecting bolts 4 are fixed by the cotter pins 5 to prevent the connecting bolts 4 from falling off; after the use is finished, the cotter pin 5 and the connecting plug pin 4 are sequentially taken down, the movable sleeve 2 is retracted into the stainless steel tube ladder beam of the ladder stand 1, and then the connecting plug pin 4 and the cotter pin 5 are restored to the original positions for fixing; when an operator climbs the top of the ladder stand 1, the elastic belts 8 can be selected to be transversely pulled and arranged on the fixing holes 21 of the sleeves 2 at the two ends to form a protective net with a certain height, so that the operator is prevented from bending backwards and falling down in the operation process.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.

Claims (8)

1. The utility model provides a be used for sluicing building high aeration bank handrail liftable cat ladder which characterized in that: the ladder stand comprises a ladder stand (1), wherein the ladder stand (1) is connected with the vertical surface of an aerator (7) through a plurality of connecting rods; the vertical rods (11) on the two sides of the ladder stand (1) are of a hollow structure with an opening on the upper surface; the sleeve (2) is inserted in the vertical rod (11), and the sealing plate (3) is connected to the top end of the sleeve (2).
2. The liftable ladder stand for the high-aeration-threshold handrail of the water drainage building, which is disclosed by claim 1, is characterized in that: the diameter of the sleeve (2) is smaller than the inner diameter of the vertical rod (11), and the diameter of the sealing plate (3) is larger than the inner diameter of the vertical rod (11).
3. The liftable ladder stand for the high-aeration-threshold handrail of the water drainage building, which is disclosed by claim 1, is characterized in that: the upper part of the outer surface of the vertical rod (11) is provided with a plug hole, and a plug connector (13) is arranged in the plug hole.
4. The liftable ladder stand for the high-aeration-threshold handrail of the water drainage building, which is disclosed by claim 1, is characterized in that: the outer surface of the sleeve (2) is provided with a plurality of through fixing holes (21) at equal intervals along the axial direction, and the fixing holes (21) are in splicing fit with the plug connectors (13).
5. The liftable ladder stand for the high-aeration-threshold handrail of the water drainage building, which is disclosed by claim 4, is characterized in that: the plug connector (13) is a plug pin (4), and one end of the plug pin (4) is fixed through a cotter pin (5).
6. The liftable ladder stand for the high-aeration-threshold handrail of the water drainage building, which is disclosed by claim 4, is characterized in that: the plug connector (13) is a bolt (6), and one end of the bolt (6) is fixed through a nut.
7. The liftable ladder stand for the high-aeration-threshold handrail of the water drainage building, which is disclosed by claim 4, is characterized in that: one end of the plug connector (13) is tied with the connecting rod through a rope (14).
8. The liftable ladder stand for the high-aeration-threshold handrail of the water drainage building, which is disclosed by claim 1, is characterized in that: a plurality of elastic belts (8) are tied in the fixing holes (21) of the sleeve (2) positioned at the upper part of the vertical rod (11) to be used as a protective net.
CN202120141739.XU 2021-01-19 2021-01-19 Liftable ladder stand for high-aeration-threshold handrail of drainage building Active CN215595441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120141739.XU CN215595441U (en) 2021-01-19 2021-01-19 Liftable ladder stand for high-aeration-threshold handrail of drainage building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120141739.XU CN215595441U (en) 2021-01-19 2021-01-19 Liftable ladder stand for high-aeration-threshold handrail of drainage building

Publications (1)

Publication Number Publication Date
CN215595441U true CN215595441U (en) 2022-01-21

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ID=79868877

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CN202120141739.XU Active CN215595441U (en) 2021-01-19 2021-01-19 Liftable ladder stand for high-aeration-threshold handrail of drainage building

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CN (1) CN215595441U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114438976A (en) * 2022-01-25 2022-05-06 中国电建集团成都勘测设计研究院有限公司 Maintenance ladder step arrangement structure of aerator flip bucket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114438976A (en) * 2022-01-25 2022-05-06 中国电建集团成都勘测设计研究院有限公司 Maintenance ladder step arrangement structure of aerator flip bucket

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