CN111115424B - Movable sill ladder stand combined device - Google Patents
Movable sill ladder stand combined device Download PDFInfo
- Publication number
- CN111115424B CN111115424B CN201911363832.9A CN201911363832A CN111115424B CN 111115424 B CN111115424 B CN 111115424B CN 201911363832 A CN201911363832 A CN 201911363832A CN 111115424 B CN111115424 B CN 111115424B
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- Prior art keywords
- ladder
- sill
- landing
- assembly
- landing sill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a movable sill ladder stand combined device which comprises a landing sill, a ladder stand which is positioned below the landing sill and adjustable in length, and a supporting component fixed on the side wall of a hoistway; the landing door sill is movably connected to the supporting assembly, the side part of the crawling ladder is hinged with the side wall of the hoistway, the upper end of the crawling ladder extends upwards to the bottom of the landing door sill, and the lower end of the crawling ladder extends downwards to the ground of the pit; wherein, the support component is provided with a vacant position for the upper end of the ladder stand to extend upwards out of the floor. The movable sill ladder stand combined device can facilitate maintenance personnel to enter a pit for maintenance, rescue and other work, and is high in safety.
Description
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a movable sill ladder stand combined device.
Background
Among the prior art, be fixed in pit cat ladder on the elevator shaft wall and be located the position about 350mm of layer door sill lower extreme, maintenance personal is when getting into the pit through the pit cat ladder, and the operation is difficult, very dangerous.
Therefore, how to ensure the safety of the maintenance personnel when entering the pit is a technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, the present invention provides a movable sill ladder assembly, which aims to solve the problems of inconvenient use and low safety of the conventional pit ladder assembly.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a movable sill ladder stand combined device comprises a landing sill, a ladder stand which is positioned below the landing sill and adjustable in length, and a supporting assembly fixed on the side wall of a hoistway; the landing door sill is movably connected to the supporting assembly, the side part of the crawling ladder is hinged to the side wall of the well, the upper end of the crawling ladder extends upwards to the bottom of the landing door sill, and the lower end of the crawling ladder extends downwards to the ground of the pit; the support component is provided with a vacant position for the upper end of the ladder stand to extend out of the floor upwards.
Furthermore, the support assembly comprises a plurality of support plates, the support plates are arranged in the length direction of the landing sill and are fixed on the hoistway side wall, the landing sill is placed on the support plates and is detachably connected with at least one of the support plates, and a space is reserved between at least two adjacent support plates to form the vacant space.
Furthermore, the movable sill ladder assembly device further comprises a locking mechanism, the landing sill is detachably connected to the supporting assembly through the locking mechanism, and the upper end of the ladder stand is fixedly connected with the bottom of the landing sill.
Furthermore, the movable sill ladder assembly device further comprises a locking mechanism, wherein the landing sill is in sliding fit with the supporting component and is detachably connected with the supporting component through the locking mechanism.
Further, the locking mechanism comprises a triangular lock.
Furthermore, the cat ladder is retractable cat ladder.
Furthermore, a hinge is arranged on the side part of the crawling ladder, and the side part of the crawling ladder is hinged to the hoistway side wall through the hinge.
Furthermore, a plurality of hinges are arranged on the side portion of the ladder stand and arranged in the length direction of the ladder stand.
Compared with the prior art, the invention has the beneficial effects that:
the movable sill ladder stand combination device provided by the invention has the advantages that the landing door sill is movable, the length of the ladder stand is adjustable, so that the ladder stand can be pulled out from the lower part of the landing door sill through the vacant position on the supporting component when the movable sill ladder stand combination device is used, the upper end of the ladder stand can be higher than a floor by a certain height, meanwhile, the side part of the ladder stand is hinged on the side wall of a well, the ladder stand can lean on the side wall of the well in an inclined manner after being pulled out from the lower part of the landing door sill, the stability of the ladder stand can be ensured, and thus, maintenance personnel can conveniently and safely enter a pit through the ladder stand from the floor for maintenance, rescue and other operations.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a ladder assembly of a movable threshold of an embodiment of the present invention (with a support assembly removed);
fig. 2 is a perspective view of the assembled device of the movable ladder stand of another embodiment of the present invention (with the support assembly removed);
fig. 3 is a schematic front view of the ladder stand assembly of the movable threshold in an embodiment of the present invention before use;
fig. 4 is a schematic side view of the movable ladder stand assembly before use in accordance with an embodiment of the present invention;
FIG. 5 is a top view of FIG. 4 rotated 90;
fig. 6 is a schematic top view of the assembled device for climbing a ladder on a movable threshold in accordance with an embodiment of the present invention;
fig. 7 is a schematic view illustrating a flow of the assembly device for climbing a ladder of a movable threshold according to an embodiment of the present invention;
fig. 8 is a schematic view illustrating a flow of the movable ladder assembly of the doorsill in another embodiment of the present invention.
Description of reference numerals:
1-landing door sill, 2-climbing ladder, 3-supporting component, 31-supporting plate, 4-locking mechanism, 5-hinge, 61-hoistway side wall, 62-pit ground, 63-floor and 7-landing door.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 2 to 4, an embodiment of the present invention provides a combination device of a movable sill ladder 2, including a landing sill 1, a ladder 2 with adjustable length and located below the landing sill 1, and a support assembly 3 fixed on a hoistway sidewall 61; the landing sill 1 is movably connected to the supporting component 3, the side part of the ladder stand 2 is hinged with the side wall 61 of the hoistway, the upper end of the ladder stand 2 extends upwards to the bottom of the landing sill 1, and the lower end of the ladder stand 2 extends downwards to the ground 62 of the pit; wherein the support member 3 has a space (not shown) for the upper end of the ladder 2 to extend upwardly beyond the floor 63.
In this embodiment, the assembled device of the movable sill ladder 2 can be applied to an elevator building without fixing between the landing door 7 and the landing door sill 1, for example, the landing door 7 can be fixed on a hoistway wall through a landing door pocket, so that the landing door 7 and the landing door sill 1 do not need to be fixed, thereby providing a feasible way for the movable sill. In addition, according to EN81-20/50 legal requirements, the positions of the ladder stand 2 and the landing sill 1 are required, and the movable sill ladder stand 2 combined device of the embodiment can meet the requirements of EN81-20/50 on the ladder stand 2 department based on the structural design.
In this embodiment, this movable sill cat ladder 2 composite set, because landing door sill 1 is movable and the length of cat ladder 2 is adjustable, therefore when using, can remove landing door sill 1 and through the vacancy on supporting component 3 with cat ladder 2 from landing door sill 1's below to pull out, make the upper end of cat ladder 2 can exceed floor 63 by certain height, simultaneously, because the lateral part of cat ladder 2 articulates on well lateral wall 61, consequently after pulling out cat ladder 2 from landing door sill 1's below to the back, can lean on cat ladder 2 on well lateral wall 61 aslope, make the stability of cat ladder 2 obtain guaranteeing, so, maintenance person can follow floor 63 and enter into the pit through cat ladder 2 and carry out operations such as maintenance, rescue, it is very convenient to use, and the security is high.
Referring to fig. 1 or 2, in an exemplary embodiment the ladder 2 is a telescopic ladder so that the length of the ladder 2 can be adjusted.
Referring to figures 2, 4 and 8, in an exemplary embodiment, hinges 5 are provided on the side portions of the ladder 2, and the side portions of the ladder 2 are hinged to the hoistway side walls 61 via the hinges 5, so that in use, by moving the ladder 2, the ladder 2 can be leaned against the hoistway side walls 61 by the rotating action of the hinges 5, thereby ensuring stability of the ladder 2 during use. Wherein, preferably, be provided with a plurality of hinges 5 on the lateral part of cat ladder 2, a plurality of hinges 5 arrange along the length direction of cat ladder 2 and set up, so make the maintenance personal can lean on cat ladder 2 slope ground on well lateral wall 61 or restore cat ladder 2 to original vertical state from the slope state more conveniently laborsavingly. The ladder 2 illustratively comprises an upper ladder half which is retractable and a plurality of hinges 5 disposed on the sides of the lower ladder half.
Referring to fig. 4 to 6, in an exemplary embodiment, the support assembly 3 includes a plurality of support plates 31, the plurality of support plates 31 are arranged in a row along a length direction of the landing sill 1 and fixed on the hoistway side wall 61, the landing sill 1 is placed on the plurality of support plates 31 and detachably connected to at least one of the support plates 31, wherein at least two adjacent support plates 31 have a space therebetween to form the empty space (not shown). Illustratively, the support assembly 3 mainly comprises 5 support plates 31, an end of each support plate 31 is fixed on the hoistway side wall 61, and a space exists between two adjacent support plates 31, wherein the landing sill 1 is detachably connected with one support plate 31 in the middle through the locking mechanism 4.
Referring to fig. 1, 3 and 4, in an exemplary embodiment, the above-mentioned assembly apparatus of the movable doorsill ladder 2 further includes a locking mechanism 4, and the landing sill 1 is detachably connected to the support assembly 3 through the locking mechanism 4, wherein the upper end of the ladder 2 is fixedly connected to the bottom of the landing sill 1. In this embodiment, by providing the locking mechanism 4, it is possible to prevent a non-maintenance person from operating the landing sill 1. In some embodiments, a triangular lock commonly used in the elevator field can be used as the locking mechanism 4, but in practice, other types of mechanical locks or electrical control locks can be used as long as the landing sill 1 can be locked on the support assembly 3 and unlocked, and the locking mechanism is not limited in particular. In some embodiments, the structural form of the landing sill 1 may be a sectional type or an integral type, for example, referring to fig. 1, the structural form of the landing sill 1 is a three-section type, wherein the middle part of the landing sill 1 is detachably connected to the supporting assembly 3 through the locking mechanism 4, and the rest two parts of the landing sill 1 may be fixed on the supporting assembly 3 by welding or the like. Illustratively, referring to fig. 2, the landing sill 1 has a unitary structural form. In this embodiment, to facilitate understanding of the operation process of the assembled device of the movable doorsill ladder 2 in this embodiment, referring to fig. 1, 3 and 7, the structure of the landing sill 1 is a sectional type, and the locking mechanism 4 is a triangular lock, for example, as follows:
during the use, firstly rotate the triangular lock with the triangle key to relieve the locking between the landing door sill 1 and the supporting component 3 of middle part, then lift upward landing door sill 1, make the upper end of cat ladder 2 exceed floor 63 certain height (for example exceed 1 meter), later through moving cat ladder 2, make cat ladder 2 lean on well lateral wall 61 tiltably through the rotation effect of hinge 5, maintenance personal accessible cat ladder 2 gets into the inside of well this moment, therefore, the movable sill cat ladder 2 composite set of this embodiment is very convenient to use, and the security is high.
Referring to fig. 2 to 4, in another exemplary embodiment, the above-mentioned assembly apparatus for the movable sill ladder 2 further includes a locking mechanism 4, and the landing sill 1 is slidably fitted on the supporting member 3 and detachably connected to the supporting member 3 through the locking mechanism 4. In this embodiment, by providing the locking mechanism 4, it is possible to prevent a non-maintenance person from operating the landing sill 1. In some embodiments, a triangular lock commonly used in the elevator field can be used as the locking mechanism 4, but in practice, other types of mechanical locks or electrical control locks can be used as long as the landing sill 1 can be locked on the support assembly 3 and unlocked, and the locking mechanism is not limited in particular. In the present embodiment, the landing sill 1 is integrally formed. In some embodiments, the landing sill 1 and the support member 3 may be slidably engaged by a rail or the like. In this embodiment, for the convenience of understanding the use process of the assembly of the movable sill ladder 2 in this embodiment, the supporting component 3 composed of 5 supporting plates 31 and the locking mechanism 4 are exemplified by a triangular lock:
referring to fig. 2, 4, 5, 6 and 8, two support plates 31 at two ends of the landing sill 1 in the support assembly 3 can be respectively in sliding fit with corresponding positions of the landing sill 1, the landing sill 1 is detachably connected with the support plate 31 at the middle position through a locking mechanism 4, and the upper end of the ladder stand 2 is located in a vacant position formed between the second support plate 31 and a third support plate 31 (counted from left to right); during the use, earlier with the triangle key rotation triangulation chain, in order to relieve the locking between the backup pad 31 of landing door sill 1 and intermediate position, then promote landing door sill 1 forward, in order to relieve the sheltering from of landing door sill 1 to cat ladder 2 upper end, afterwards to lifting up and drawing cat ladder 2, make cat ladder 2's upper end exceed certain height (if exceed 1 meter) of floor 63, afterwards through moving cat ladder 2, make cat ladder 2 lean on well lateral wall 61 tiltably through hinge 5's rotation effect, maintainer accessible cat ladder 2 gets into the inside of well this moment, it is thus visible, the movable sill cat ladder 2 composite set of this embodiment uses very conveniently, and the security is high. In some embodiments, the length of the two support plates 31 at both ends of the landing sill 1 can be greater than the length of the support plates 31 at the remaining positions, so that the entire landing sill 1 is supported by the support plates 31 during the forward and backward movement of the landing sill 1, while ensuring that the elevator car and other components do not interfere with each other.
In addition, in other embodiments, the whole landing sill 1 can also be directly locked on the supporting component 3 through the locking mechanism 4, so that when in use, the landing sill 1 can be detached from the supporting component 3 and removed, and then replaced and installed after use.
The above embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto in any way, so that any modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the present invention, unless departing from the technical spirit of the present invention.
Claims (6)
1. The movable sill ladder stand combination device is characterized by comprising a landing sill, a ladder stand which is positioned below the landing sill and is adjustable in length, and a supporting assembly fixed on the side wall of a well; the landing door sill is movably connected to the supporting assembly, the side portion of the crawling ladder is hinged to the side wall of the hoistway, a hinge is arranged on the side portion of the crawling ladder, the side portion of the crawling ladder is hinged to the side wall of the hoistway through the hinge, the crawling ladder can lean against the side wall of the hoistway in an inclined mode through the rotating action of the hinge, the upper end of the crawling ladder extends upwards to the bottom of the landing door sill, and the lower end of the crawling ladder extends downwards to the ground of the pit; the support component is provided with a vacant position for the upper end of the ladder stand to extend out of the floor upwards;
the supporting assembly comprises a plurality of supporting plates, the supporting plates are arranged in the length direction of the landing sill and are fixed on the side wall of the hoistway, the landing sill is placed on the supporting plates and is detachably connected with at least one of the supporting plates, and a space is reserved between at least two adjacent supporting plates to form the vacant space;
two supporting plates positioned at two ends of the landing sill in the supporting assembly can be respectively in sliding fit with corresponding positions of the landing sill, and the lengths of the two supporting plates positioned at two ends of the landing sill are greater than those of the supporting plates at other positions.
2. The assembly of claim 1, further comprising a locking mechanism by which said landing sill is removably attached to said support assembly, wherein the upper end of said ladder is fixedly attached to the bottom of said landing sill.
3. The assembly apparatus as claimed in claim 1, further comprising a locking mechanism, wherein the landing sill is slidably engaged with the support assembly and detachably connected to the support assembly via the locking mechanism.
4. A movable sill ladder assembly as claimed in claim 2 or 3 wherein the locking mechanism includes a triangular lock.
5. The movable sill ladder assembly of any of claims 1 to 4 wherein the ladder is a telescoping ladder.
6. The assembly as claimed in claim 1, wherein a plurality of said hinges are provided on the side of said ladder, and arranged along the length of said ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363832.9A CN111115424B (en) | 2019-12-26 | 2019-12-26 | Movable sill ladder stand combined device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363832.9A CN111115424B (en) | 2019-12-26 | 2019-12-26 | Movable sill ladder stand combined device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111115424A CN111115424A (en) | 2020-05-08 |
| CN111115424B true CN111115424B (en) | 2022-11-01 |
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| CN201911363832.9A Active CN111115424B (en) | 2019-12-26 | 2019-12-26 | Movable sill ladder stand combined device |
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| CN111115424A (en) | 2020-05-08 |
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