CN212406233U - Combined rotary ladder stand - Google Patents

Combined rotary ladder stand Download PDF

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Publication number
CN212406233U
CN212406233U CN202020798413.XU CN202020798413U CN212406233U CN 212406233 U CN212406233 U CN 212406233U CN 202020798413 U CN202020798413 U CN 202020798413U CN 212406233 U CN212406233 U CN 212406233U
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China
Prior art keywords
ladder
layer
steering
frame
adjacent
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Active
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CN202020798413.XU
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Chinese (zh)
Inventor
杜藏
刘旭阳
高健
龚振如
江鹏飞
贾伟珑
曾降龙
徐龙土
张婉琪
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Henan Luoning Pumped Storage Co ltd
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
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Henan Luoning Pumped Storage Co ltd
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
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Priority to CN202020798413.XU priority Critical patent/CN212406233U/en
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Publication of CN212406233U publication Critical patent/CN212406233U/en
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Abstract

The utility model relates to a combined type rotary crawling ladder, which comprises a plurality of layers of ladder frames which are sequentially arranged from bottom to top, wherein each layer of ladder frame is of a hollow rectangular frame structure, adjacent upper and lower layers of ladder frames are detachably connected, and openings for workers to go in and out are respectively arranged on the uppermost layer of ladder frame and the lowermost layer of ladder frame; steering platforms are hooked on each layer of ladder frames and are rectangular, the steering platforms are located on one side of the ladder frames, the steering platforms on the upper layer of ladder frame and the lower layer of ladder frame are distributed in a staggered mode, and the steering platforms are distributed at the positions of the two through holes; two adjacent upper and lower the hook has the bench that supplies constructor to walk from top to bottom between the steering platform, the bench includes inclined ladder and the vertical handrail that sets up in inclined ladder one side. The utility model discloses simple structure, the installation connects dismantles convenient operation, as an interim construction operation passageway, can make things convenient for constructor to reciprocate according to the timely adjustment of construction demand, has good practicality.

Description

Combined rotary ladder stand
Technical Field
The utility model relates to a building cat ladder technical field especially relates to a modular rotatory cat ladder.
Background
In the construction of a hydropower station, in order to facilitate the up-and-down passage of constructors, temporary construction passages are usually built between construction layers with different heights, namely, the movement between the upper construction layer and the lower construction layer is completed through a ladder stand, but most of the traditional ladder stands are fixed structures, and the height of the ladder stands cannot be adjusted adaptively, so that the concrete construction requirements cannot be met;
and after the construction of certain stage is accomplished, need to demolish the cat ladder and install separately again, because its inconvenient dismantlement and inconvenient free movement, whole process dismouting process need consume more labour, and inefficiency, consuming time long, has certain limitation. To this end, a modular rotary ladder is proposed.
Disclosure of Invention
The utility model discloses a solve the inconvenient dismantlement of traditional cat ladder, the problem of highly can not in good time adjust provides a modular rotatory cat ladder, can realize quick installation dismantlement, can in good time adjust the cat ladder height simultaneously, uses in a flexible way.
In order to achieve the above object, the utility model adopts the following technical scheme:
a combined type rotary crawling ladder comprises a plurality of layers of ladder frames which are sequentially arranged from bottom to top, wherein each layer of ladder frame is of a hollow rectangular frame structure, the adjacent upper layer of ladder frame and the adjacent lower layer of ladder frame are detachably connected, and through holes for workers to go in and out are formed in the uppermost layer of ladder frame and the lowermost layer of ladder frame;
steering platforms are hooked on each layer of ladder frames and are rectangular, the steering platforms are located on one side of the ladder frames, the steering platforms on the upper layer of ladder frame and the lower layer of ladder frame are distributed in a staggered mode, and the steering platforms are distributed at the positions of the two through holes;
two adjacent upper and lower the hook has the bench that supplies constructor to walk from top to bottom between the steering platform, the bench includes inclined ladder and the vertical handrail that sets up in inclined ladder one side.
Furthermore, the ladder frame comprises upright rods arranged at four corners of the rectangle and a plurality of layers of cross rods transversely connected with two adjacent upright rods, wherein the number of the cross rods on each layer is four, and the cross rods are fixedly connected with the upright rods.
Further, the adjacent upper and lower layers of ladder frames are connected through bolts; the upper end and the lower end of the vertical rod are fixedly provided with connecting seats, the connecting seats are of disc-shaped structures, a plurality of connecting holes are circumferentially formed in the connecting seats, and locking bolts are arranged between every two adjacent upper connecting seats and every two adjacent lower connecting seats for fixing.
Furthermore, upper hooks are arranged on the side walls of the three adjacent edges of the steering platform, and the upper hooks are correspondingly hooked on three adjacent cross rods on one layer respectively; the steering platform is characterized in that a cylindrical hanging rod is arranged on the side wall of one side of the steering platform, and the length of the cylindrical hanging rod is the same as that of the steering platform.
Furthermore, the width of the inclined ladder is smaller than 1/2 of the length of the cylindrical hanging rod, lower hooks are arranged at the upper end and the lower end of the inclined ladder, and the lower hooks are hung on the cylindrical hanging rod.
Furthermore, the upper hook and the lower hook are both in a concave shape, the inner concave surfaces of the upper hook and the lower hook are arc surfaces, the inner concave surface of the upper hook is attached to the circumferential surface of the cross rod, and the inner concave surface of the lower hook is attached to the circumferential surface of the cylindrical hanging rod.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model has the advantages of reasonable design, can carry out the layer-by-layer installation to the cat ladder through combination pin-connected panel structure, bolted connection between the adjacent two-layer ladder frame, the platform that turns to hooks on the horizontal pole of ladder frame, the ladder hook on the cylinder peg on the platform that turns to one side, all can dismantle the connection between ladder frame, platform that turns to and the ladder to one side, improved the efficiency of installation, dismantlement greatly, and can specifically adjust the height and the position of cat ladder according to the construction needs, have good practicality.
The utility model relates to an interim construction operation passageway can make things convenient for constructor to reciprocate, and it is convenient to use, and stability is strong can improve the safety in utilization simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the combined rotary ladder stand.
Fig. 2 is a schematic view of the installation of the uppermost layer and the lower layer in fig. 1 of the combined type rotary ladder stand of the present invention.
Fig. 3 is a schematic view of the installation of the steering platform and the single ladder frame of the combined rotary ladder stand.
Fig. 4 is an installation schematic diagram of the ladder section and the steering platform of the combined rotary ladder stand.
Fig. 5 is a schematic view of a ladder section structure of the combined type rotary ladder stand of the present invention.
Fig. 6 is a schematic view of reinforcing steel pipes in the embodiment of the combined type rotary ladder stand.
The reference numbers in the drawings are as follows: 1 is the ladder frame, and 101 is the pole setting, and 102 is the horizontal pole, and 2 is the opening, and 3 are for turning to the platform, and 4 are the bench, and 401 is the inclined ladder, and 402 is the handrail, and 5 are the connecting seat, and 6 are last couple, and 7 are the cylinder peg, 8 are lower couple, and 9 are the steel pipe.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 1 to 6, a combined type rotary ladder stand comprises a plurality of layers of ladder frames 1 which are sequentially arranged from bottom to top, wherein each layer of ladder frame 1 is of a hollow rectangular frame structure, adjacent upper and lower layers of ladder frames 1 are detachably connected, and through holes 2 for workers to go in and out are formed in the uppermost layer of ladder frame 1 and the lowermost layer of ladder frame 1;
a steering platform 3 is hooked on each layer of ladder frame 1, the steering platform 3 is rectangular, the steering platform 3 is positioned on one side of the ladder frame 1, the steering platforms 3 on the adjacent upper and lower layers of ladder frames 1 are distributed in a staggered mode, and the steering platforms 3 are distributed at the positions of the two through holes 2;
adjacent two about it has ladder section 4 that supplies constructor to walk from top to bottom to hook between the steering platform 3, ladder section 4 includes inclined ladder 401 and vertical setting at the handrail 402 of inclined ladder 401 one side.
In this embodiment, as shown in fig. 3, the ladder frame 1 includes the vertical rods 101 arranged at four corners of the rectangle and the plurality of layers of cross rods 102 transversely connecting two adjacent vertical rods 101, each layer of the cross rods 102 is four, the cross rods 102 and the vertical rods 101 are fixedly connected to each other to play a role in enhancing the stability of the ladder frame 1, and meanwhile, the cross rods 102 can serve as protection for the side wall of the ladder frame 1 to protect constructors from passing up and down.
In order to facilitate convenient disassembly and assembly between two adjacent layers of ladder frames 1, the ladder frames 1 of the adjacent upper and lower layers are connected by bolts;
specifically, the upper and lower both ends of pole setting 101 are all fixed and are provided with connecting seat 5, connecting seat 5 is disc structure, and the hoop all is equipped with a plurality of connecting holes on connecting seat 5, is provided with locking bolt between two adjacent upper and lower connecting seats 5 with fixed, passes the connecting hole that two upper and lower connecting seats 5 correspond through locking bolt and then realizes fixing.
Simultaneously in order to increase the joint strength of connecting seat 5 and pole setting 101, can set up a plurality of triangle-shaped reinforcing plates in the junction hoop of connecting seat 5 and pole setting 101, reinforcing plate and connecting hole hoop crisscross distribution.
In this embodiment, in order to facilitate the installation of the steering platform 3 and the ladder rack 1, the three adjacent side walls of the steering platform 3 are provided with upper hooks 6, and a plurality of upper hooks 6 are correspondingly hooked on three adjacent cross bars 102 in one layer, as shown in fig. 3;
in order to facilitate the installation of the inclined ladder 401 and the steering platform 3, a cylindrical hanging rod 7 is arranged on the side wall of one side of the steering platform 3, the length of the cylindrical hanging rod 7 is the same as that of the steering platform 3, lower hooks 8 are arranged at the upper end and the lower end of the inclined ladder 401, the lower hooks 8 are hooked on the cylindrical hanging rod 7, and the steering platform 3 and the inclined ladder 401 can be conveniently installed in a hooking mode, as shown in fig. 4.
Specifically, the width of the inclined ladder 401 is less than 1/2 of the length of the cylindrical hanging rod 7; as shown in fig. 5, the upper hook 6 and the lower hook 8 are both in a concave shape, the inner concave surfaces of the upper hook 6 and the lower hook 8 are both arc surfaces, the inner concave surface of the upper hook 6 is attached to the circumferential surface of the cross bar 102, and the inner concave surface of the lower hook 8 is attached to the circumferential surface of the cylindrical hanging rod 7.
The utility model discloses when the installation, its installation step is as follows:
step 1, mounting the lowermost ladder frame 1: the connecting seat 5 at the lowest layer is connected through the embedded bolt, then the ladder frame 1 at the lowest layer is fixed, and a steering platform 3 is hooked at the through hole 2 of the ladder frame 1 at the lowest layer;
step 2, installing the upper ladder frame 1: hoisting the upper ladder frame 1, connecting and fastening the upper ladder frame 1 with the lowermost ladder frame 1 by adopting a locking bolt, hooking one steering platform 3 on the upper ladder frame 1, and hooking the inclined ladder 401 between two adjacent steering platforms 3 at the moment;
and 3, installing the rest upper ladder frames 1: hoisting the rest upper ladder frames 1 in sequence according to construction requirements, connecting and fastening the upper ladder frames 1 with the lower ladder frames 1 by using locking bolts, and sequentially installing inclined ladders 401 according to the mode of the step 2;
and 4, mounting the uppermost layer ladder frame 1: hoisting the uppermost layer ladder frame 1, adopting a locking bolt to connect and fasten the uppermost layer ladder frame 1 with the lower layer ladder frame 1, hooking a steering platform 3 at the opening 2 of the uppermost layer ladder frame 1, and then installing the inclined ladder 401.
It should be noted that: the cross bar 102 is not arranged on the through port 2, namely one side of the ladder frame 1, and one side of the ladder frame 1 is open and can be used for an administrator to go in and out of the ladder.
As shown in fig. 6, in order to improve the stability of the whole ladder stand, after the ladder stand is assembled according to construction requirements, the steel pipes 9 can be used for connecting the adjacent two layers of ladder frames 1 to reinforce the ladder stand, and particularly, the steel pipes 9 are fixedly connected with the cross rod 102 through building fasteners so as to realize the stability of the ladder stand structure.
When a constructor passes through the upper and lower layers, the constructor firstly enters through the through hole 2 of the lowermost ladder frame 1, then realizes the height climbing through the multilayer inclined ladder 401, and finally goes out of the through hole 2 of the uppermost ladder frame 1 to reach a construction operation layer; in the process of traveling of constructors, the handrail 402 can protect one side of the inclined ladder 401, and the multilayer cross rod 102 can protect the other side of the inclined ladder 401, so that the use safety is improved.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims (6)

1. The combined type rotary crawling ladder is characterized by comprising a plurality of layers of ladder frames (1) which are sequentially arranged from bottom to top, wherein each layer of ladder frame (1) is of a hollow rectangular frame structure, the adjacent upper and lower layers of ladder frames (1) are detachably connected, and through holes (2) for constructors to go in and out are formed in the uppermost layer of ladder frame (1) and the lowermost layer of ladder frame (1);
a steering platform (3) is hooked on each layer of ladder frame (1), the steering platforms (3) are rectangular, the steering platforms (3) are located on one side of the ladder frame (1), the steering platforms (3) on the adjacent upper and lower layers of ladder frames (1) are distributed in a staggered mode, and the steering platforms (3) are distributed at the positions of the two through holes (2);
two adjacent upper and lower the hook has ladder section (4) that supplies constructor to walk from top to bottom between steering platform (3), ladder section (4) include inclined ladder (401) and vertical handrail (402) of setting in inclined ladder (401) one side.
2. A modular ladder according to claim 1, characterised in that the ladder frame (1) comprises uprights (101) arranged at four corners of a rectangle and a plurality of layers of transverse bars (102) transversely connecting two adjacent uprights (101), the number of transverse bars (102) in each layer being four, the transverse bars (102) being fixedly connected to the uprights (101).
3. A combined rotary ladder stand according to claim 2, wherein the adjacent upper and lower ladder frames (1) are connected by bolts;
the upper end and the lower end of the vertical rod (101) are fixedly provided with connecting seats (5), each connecting seat (5) is of a disc-shaped structure, a plurality of connecting holes are circumferentially formed in each connecting seat (5), and a locking bolt is arranged between each two adjacent upper connecting seats (5) and each adjacent lower connecting seat (5) for fixing.
4. The combined type rotary ladder stand as claimed in claim 3, wherein the adjacent three-side walls of the steering platform (3) are provided with upper hooks (6), and a plurality of the upper hooks (6) are correspondingly hooked on three adjacent cross rods (102) on one layer respectively;
the steering platform is characterized in that a cylindrical hanging rod (7) is arranged on the side wall of one side of the steering platform (3), and the length of the cylindrical hanging rod (7) is the same as that of the steering platform (3).
5. A combined rotary ladder stand according to claim 4, characterised in that the width of the ladder (401) is less than 1/2 of the length of the cylindrical hanging rod (7), the upper and lower ends of the ladder (401) are provided with lower hooks (8), and the lower hooks (8) are hooked on the cylindrical hanging rod (7).
6. The combined type rotary ladder stand according to claim 5, wherein the upper hook (6) and the lower hook (8) are concave, the inner concave surfaces of the upper hook (6) and the lower hook (8) are arc surfaces, the inner concave surface of the upper hook (6) is attached to the circumferential surface of the cross rod (102), and the inner concave surface of the lower hook (8) is attached to the circumferential surface of the cylindrical hanging rod (7).
CN202020798413.XU 2020-05-14 2020-05-14 Combined rotary ladder stand Active CN212406233U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020798413.XU CN212406233U (en) 2020-05-14 2020-05-14 Combined rotary ladder stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020798413.XU CN212406233U (en) 2020-05-14 2020-05-14 Combined rotary ladder stand

Publications (1)

Publication Number Publication Date
CN212406233U true CN212406233U (en) 2021-01-26

Family

ID=74376519

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020798413.XU Active CN212406233U (en) 2020-05-14 2020-05-14 Combined rotary ladder stand

Country Status (1)

Country Link
CN (1) CN212406233U (en)

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