CN203382329U

CN203382329U - Automatic cat ladder device for going in/out elevator pit

Info

Publication number: CN203382329U
Application number: CN201320441714.7U
Authority: CN
Inventors: 叶佳芳; 邱伟伟; 杨佳民
Original assignee: Giant Kone Elevator Co Ltd
Current assignee: Giant Kone Elevator Co Ltd
Priority date: 2013-07-24
Filing date: 2013-07-24
Publication date: 2014-01-08
Anticipated expiration: 2023-07-24

Abstract

The utility model provides an automatic cat ladder device for going in/out an elevator pit, which has an open state and a closed state relative to the elevator wall. The automatic cat ladder device comprises a cat ladder body, a connecting mechanism used for connecting the cat ladder and a well wall in a rotating way, a locking device used for locking the cat ladder in the closed state, a pull rod connected with the cat ladder in a sliding manner, and springs A and B which are in a stretched state, wherein the other end of the pull rod is rotationally connected to the well wall; two ends of the spring A are respectively fixed on the cat ladder and the well wall; two ends of the spring B are respectively fixed on the pull rod and the well wall; detection switches are mounted at the two ends of the cat ladder, and are connected with the control mechanism of the elevator; the situation about whether the cat ladder is completely opened or closed is determined by the two detection switches, and the safe operation and stop of the elevator are ensured. According to the utility model, since the cat ladder device is arranged below a base station landing door sill, the cat ladder can be folded and clung to the well wall in the non-working state, and the space is saved; the cat ladder can be stably fixed in the well in the open state.

Description

A kind of for passing in and out the automatic climbing ladder apparatus of elevator pit

Technical field

The utility model relates to a kind of climbing ladder apparatus, especially a kind of for passing in and out the automatic climbing ladder apparatus of elevator pit.

Background technology

The pit of elevator hoistways is equipped with the parts such as energy disperser, safety tongs, swelling device, for the ease of the installation to these parts and Inspection and maintenance in the future, do not having during other passage easy access personal security enters the elevator of elevator pit, must setting can the easy access personnel passing in and out the climbing ladder apparatus of pit.The pit ladder device is the requisite component part of whole elevator device.

In elevator industry now, it is the large attraction of one that elevator hoistways takes up room, it is less that the elevator of identical car area takies building area, and its cost performance is just relative higher, and common pit ladder device is that a cat ladder is fixed on hoistway wall by expansion bolt, it takes up room larger, and common pit ladder device, distant from doorway, the Room, the more difficult climbing ladder apparatus that gets at of maintainer, be not easy to the maintainer and enter pit, and the danger of easily falling.

Summary of the invention

It is a kind of for passing in and out the automatic climbing ladder apparatus of elevator pit that main purpose of the present utility model is to provide, it can automatically be opened, close, in the time of obsolete, be hidden in below lading door dill, more save space than traditional climbing ladder apparatus, the utility model is arranged on Ting Men entrance, base station and more is suitable for the maintainer to enter pit.

In order to achieve the above object, the utility model adopts following technical scheme: a kind of for passing in and out the automatic climbing ladder apparatus of elevator pit, it has the opening and closing state with respect to the sedan-chair wall, comprises cat ladder body, the bindiny mechanism for being rotationally connected cat ladder and well enclosure, the latching device locked for the cat ladder by closed condition; Also comprise and pull bar and spring A, the B in extended state of cat ladder sliding block joint, wherein, the pull bar other end is rotatably connected on well enclosure, and spring A two ends are separately fixed on cat ladder and well enclosure; The spring B two ends are separately fixed on pull bar and well enclosure.

Preferably, the pulling force of spring B is greater than the pulling force of spring A.

Preferably, the slide block of packing in the guide rail of cat ladder, slide block and pull bar one end are rotationally connected.

Preferably, slide block is rotationally connected by bolt and pull bar one end.

Preferably, latching device is housed on slide block, locks for the cat ladder by closed condition.

Preferably, also comprise that mount pad is fixed on the well enclosure under lading door dill.

Preferably, mount pad is fixed by expansion bolt.

Preferably, cat ladder is connected on mount pad by hinge means.

Preferably, detector switch is equipped with at the cat ladder two ends, with the control mechanism of elevator, is connected.

The beneficial effects of the utility model are: the utility model is arranged on climbing ladder apparatus below the lading door dill of base station in conjunction with the integral layout of the applying working condition of pit ladder and elevator, and cat ladder, when off working state, can be packed up, and is close to well enclosure, saves space; And at cat ladder during in open mode, can be firm be fixed in hoistway.In addition, the utility model determines by two detector switches whether cat ladder is opened fully and close to control elevator, has guaranteed elevator safety operation, has stopped, simple to operate, easy to use.

The accompanying drawing explanation

Fig. 1 is the utility model embodiment climbing ladder apparatus open mode structural representation.

Description of symbols in Fig. 1 is as follows: the 1-cat ladder, and the 2-slide block, the 3-hinge, the 4-mount pad, the 5-lading door dill, the 6-pull bar, 7-spring A, 8-spring B, 9-hoistway, 10-opens detector switch, and 11-closes detector switch.

Fig. 2 is the utility model embodiment climbing ladder apparatus closed condition structural representation.

The specific embodiment

The realization of the utility model purpose, functional characteristics and beneficial effect, be described further below in conjunction with specific embodiment and accompanying drawing.

Below in conjunction with the drawings and specific embodiments, technical scheme described in the utility model is described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.

The utility model embodiment is for passing in and out the automatic climbing ladder apparatus of elevator pit, it has the opening and closing state with respect to the sedan-chair wall, comprises cat ladder body, the bindiny mechanism for being rotationally connected cat ladder and well enclosure, the latching device locked for the cat ladder by closed condition; Also comprise and pull bar and spring A, the B in extended state of cat ladder sliding block joint, wherein, the pull bar other end is rotatably connected on well enclosure, and spring A two ends are separately fixed on cat ladder and well enclosure; The spring B two ends are separately fixed on pull bar and well enclosure.Detector switch is equipped with at the cat ladder two ends, with the control mechanism of elevator, is connected.Determine by two detector switches whether cat ladder is opened fully and close.Guarantee elevator safety operation, stop.

Concrete structure is as follows:

Fig. 1 is the utility model embodiment climbing ladder apparatus open mode structural representation.Fig. 2 is the utility model embodiment climbing ladder apparatus closed condition structural representation.As depicted in figs. 1 and 2,

Mount pad 4 is fixed on the well enclosure under lading door dill 5 by expansion bolt, then cat ladder 1 is connected on mount pad 4 by hinge means 2.Slide block 2 is packed in the guide rail of cat ladder 1, then with bolt, it is connected with pull bar 6, guarantee that pull bar 6 can rotate by bolt.After slide block 2 is moved on to cat ladder 1 the most inboard, then the opposite side of pull bar 6 is solid on well enclosure, pull bar 6 has played spacing effect.After slide block 2 moves on to the outermost of cat ladder 1, (as shown in Figure 1) cat ladder 1 just belongs to mode of operation, spring A7 two is separately fixed on pull bar 6, well enclosure and makes it in extended state, spring B 8 two are separately fixed on cat ladder 1, well enclosure and make equally it in the state of being stretched, but the pulling force of spring B 8 is greater than the pulling force of spring A7.When elevator normally moves, cat ladder 1 is in shown in off working state (as shown in Figure 2).When the maintainer will enter elevator hoistways, only the latching device of slide block 2 need be unclamped, cat ladder 1 can be opened automatically, until slide block 2 touches and opens detector switch 10 and make its action.Elevator can not normally move, and the maintainer enters the elevator hoistways pit, can not have an accident because of the elevator misoperation.When the maintainer, must reset cat ladder 1 out the time from pit, until slide block 2 touches and closes detector switch 11 and make its action.Elevator could work, and avoids forgetting cat ladder being resetted and has an accident because the maintainer exits pit.

Claims

1. one kind for passing in and out the automatic climbing ladder apparatus of elevator pit, and it has the opening and closing state with respect to the sedan-chair wall, comprises the cat ladder body, for the bindiny mechanism that is rotationally connected cat ladder and well enclosure, for the latching device of the locking of the cat ladder by closed condition; It is characterized in that: also comprise and the pull bar of cat ladder sliding block joint, the pull bar other end is rotatably connected on well enclosure; Also comprise spring A, B in extended state, wherein, spring A two ends are separately fixed on cat ladder and well enclosure; The spring B two ends are separately fixed on pull bar and well enclosure.

2. according to claim 1 for passing in and out the automatic climbing ladder apparatus of elevator pit, it is characterized in that: the pulling force of spring B is greater than the pulling force of spring A.

3. according to claim 1 for passing in and out the automatic climbing ladder apparatus of elevator pit, it is characterized in that: the slide block of packing in the guide rail of cat ladder, slide block and pull bar one end are rotationally connected.

4. according to claim 3 for passing in and out the automatic climbing ladder apparatus of elevator pit, it is characterized in that: slide block is rotationally connected by bolt and pull bar one end.

5. described for passing in and out the automatic climbing ladder apparatus of elevator pit according to claim 3 or 4, it is characterized in that: latching device is housed on slide block, locks for the cat ladder by closed condition.

6. according to claim 1 for passing in and out the automatic climbing ladder apparatus of elevator pit, it is characterized in that: also comprise that mount pad is fixed on the well enclosure under lading door dill.

7. according to claim 6 for passing in and out the automatic climbing ladder apparatus of elevator pit, it is characterized in that: mount pad is fixed by expansion bolt.

8. described for passing in and out the automatic climbing ladder apparatus of elevator pit according to claim 6 or 7, it is characterized in that: cat ladder is connected on mount pad by hinge means.

9. according to claim 1 for passing in and out the automatic climbing ladder apparatus of elevator pit, it is characterized in that: detector switch is equipped with at the cat ladder two ends, with the control mechanism of elevator, is connected.