CN218293468U - Internal climbing ladder of elevator cage - Google Patents

Abstract

The utility model discloses an elevator cage inner ladder stand, which comprises two ear plates and a ladder stand body, wherein the ear plates are fixed on the upper part of the inner side wall of the elevator cage, barb type groove holes are arranged on the ear plates, the barb type groove holes comprise a vertical section and an inclined section, and the tail end of the inclined section is higher than the tail end of the vertical section; the ladder stand body comprises a pair of vertical rods, pin holes are formed in the tops of the vertical rods, and the pin holes are connected with the barb type slotted holes through pin shafts. The utility model discloses satisfying under operation requirement's the prerequisite, the quality does not reduce, and the security performance promotes, and the cost of manufacture reduces, and overall structure is simple, practical. When the ladder stand is used, the ladder stand can be easily put in place, the upper end of the ladder stand does not occupy the space of a top turnover door of a cage, the ladder stand can be conveniently stored, and the extra space of the cage is not occupied; this cat ladder passes through the otic placode and combines as an organic wholely with the lift cage, is difficult to lose, and makes more firm stable of cat ladder when using, the gliding problem in bottom can not appear, can not cause the injury to the staff, and the security obtains promoting.

Description

Internal climbing ladder of elevator cage

Technical Field

The utility model belongs to the technical field of the lift, especially, relate to a cat ladder in lift cage.

Background

The ladder stand in the elevator cage is mainly convenient for workers to install, maintain and maintain the construction elevator from the cage jacking turnover door hole to the top of the cage.

The hanging ladder of steel construction is widely adopted in the construction elevator industry at present, transversely hangs in the cage inner wall when not using, when needs use, takes off the cat ladder, and the upper end is hung on the cage top turnover door hole. The ladder steel structure weldment has high manufacturing cost, heavy weight and unattractive appearance; the lifting cage can be separated from the lifting cage, can be moved at will, is easy to lose and cannot be found when in use; when the safety hook is used, if the safety hook is not completely hung, the bottom can slide, so that the safety hook can hurt workers, and certain potential safety hazards exist. If the ladder stand is directly welded on the inner wall of the cage by the support frame, the problem of easy loss is solved, but the ladder stand not only occupies the space of the cage, but also is not beautiful.

A foldable ladder stand is also available in the market, and when the ladder stand is not used, the ladder stand is folded upwards and leans against the side wall of a suspension cage; when in use, the ladder stand is unfolded. However, the ladder requires higher machining precision, higher manufacturing difficulty and higher cost; the four-bar structure is not easy to synchronize, and the folding box is pressed by an elastic pressing plate; moreover, because four connecting points are needed to be connected with the crawling ladder at the same time, the generated gaps are unequal, and vibration and noise are generated when the suspension cage runs.

Aiming at the defects of the ladder stand in the existing elevator cage, the ladder stand in the elevator cage with different structures needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem, provide a cat ladder in lift cage, the utility model discloses a technical scheme as follows:

a ladder stand in an elevator cage comprises two ear plates and a ladder stand body, wherein the ear plates are fixed on the upper portion of the inner side wall of the elevator cage, barb type groove holes are formed in the ear plates, each barb type groove hole comprises a vertical section and an inclined section, and the tail end of each inclined section is higher than the tail end of each vertical section; the ladder stand body comprises a pair of vertical rods, pin holes are formed in the tops of the vertical rods, and the pin holes are connected with the barb type slotted holes through pin shafts.

The technical characteristics adopted by the scheme have the following technical effects:

the ladder stand in the elevator cage based on the structure is arranged below the overhead turnover door of the cage, and when the ladder stand needs to be used, the vertical rod of the ladder stand body is held by two hands, so that the pin shaft moves along the barb-shaped slot hole and is positioned at the tail end of the vertical section, and the bottom of the vertical rod of the ladder stand body is abutted against the bottom of the cage, so that the ladder stand body can be in a certain gradient, and the ladder stand is convenient for workers to use; when the ladder stand is not used, the vertical rod of the ladder stand body is held by two hands, so that the pin shaft moves along the barb-shaped groove hole and is positioned at the tail end of the inclined section, and the tail end of the inclined section is higher than the tail end of the vertical section; the ladder stand is lifted and vertically stored, so that the space is not occupied; this cat ladder combines as an organic whole through otic placode and lift cage, is difficult to lose, and firm stability that also compares during the use can not appear the gliding problem in bottom yet, can not cause the injury to the staff, safe and reliable.

The technical scheme can be further improved as follows:

further, the inclined section is close to the inner side wall of the elevator cage, and the vertical section is far away from the inner side wall of the elevator cage.

The further technical characteristics have the following technical effects:

when the crawling ladder is stored in the elevator cage, the crawling ladder is close to the inner side wall of the elevator cage, so that the crawling ladder is more stable in a storage state, and the space is saved.

Further, the bottom cover of the montant of cat ladder body has the antiskid cover, the antiskid cover is the rubber material.

The further technical characteristics have the following technical effects:

the design of antiskid cover can make cat ladder bottom and cage bottom more firm when the cat ladder uses, also can eliminate the noise when the cage operation when accomodating and placing.

Furthermore, a shaft sleeve is arranged on the pin shaft, and the length of the shaft sleeve is larger than the sum of the thickness of the lug plate and the thickness of the vertical rod.

The further technical characteristics have the following technical effects:

the pin shaft is provided with a shaft sleeve, so that the crawling ladder rotates along the shaft sleeve when moving in the hook-shaped slotted hole, and the crawling ladder moves more smoothly; the length of the shaft sleeve is larger than the sum of the thickness of the lug plate and the thickness of the vertical rod, so that a sufficient movement gap is ensured between the ladder stand and the lug plate.

Further, the end of the pin shaft is provided with a flat washer, an elastic washer and a nut.

Further, the nut is a locknut.

The further technical characteristics have the following technical effects:

after the two ear plates and the ladder stand body are combined, the ladder stand can not be detached easily, and has an anti-theft function.

Further, the material of cat ladder body is the aluminum alloy.

The further technical characteristics have the following technical effects: the ladder stand in the cage of the elevator is light.

Furthermore, the suspension cage comprises a top door-turning hole, and the crawling ladder is arranged below the door-turning hole.

The utility model provides a cat ladder in lift cage, under the prerequisite that satisfies the operation requirement, the quality does not reduce, and the security performance promotes, and the cost of manufacture reduces, and overall structure is simple, practical. When the ladder stand is used, the ladder stand can be easily put in place, the upper end of the ladder stand does not occupy the space of a cage top turnover door, and the ladder stand can be conveniently stored without additionally occupying the space of a suspension cage; the ladder stand is combined with the lifting cage of the elevator into a whole through the ear plates, so that the ladder stand is not easy to lose, is firmer and more stable when in use, cannot cause the problem of bottom sliding, cannot cause injury to workers, and improves the safety; the bottom anti-skid design can also eliminate the noise generated when the suspension cage runs; the aluminum alloy material is adopted, so that the design is light and beautiful; the anti-theft nut has a certain anti-theft function.

Drawings

FIG. 1 is a schematic view of the ladder stand in the cage of an elevator according to the present invention when stored;

FIG. 2 is a schematic view of the inner climbing ladder of the elevator cage of the present invention;

FIG. 3 is a side view of the ladder stand in the elevator cage of the present invention when stored;

FIG. 4 is a side view of the elevator cage of the present invention when used;

fig. 5 is a partial enlarged view of the C of the present invention;

fig. 6 is a partial enlarged view of B of the present invention;

fig. 7 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of the present invention.

The symbols in the figure illustrate:

1. an ear plate; 2. a ladder body; 3. a vertical rod; 4. a pin shaft; 5. a barb-type slot; 6. an anti-slip sleeve; 7. a flat washer; 8. an elastic washer; 9. a locknut; 10. and a shaft sleeve.

Detailed Description

For better understanding of the objects, structure and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings.

The specific embodiment is as follows:

as shown in fig. 1 to 6, the utility model relates to a cat ladder in elevator cage, including two otic placodes 1 and cat ladder body 2, otic placode 1 is fixed elevator cage's inside wall upper portion, be equipped with barb type slotted hole 5 on the otic placode 1, barb type slotted hole 5 includes vertical section and slope section, the slope section is close to elevator cage's inside wall, the vertical section is kept away from elevator cage's inside wall, the end of slope section is higher than the end of vertical section, cat ladder body 2's montant 3, the top of montant 3 is equipped with the pinhole, the pinhole with barb type slotted hole 5 is through selling axle 4 connection.

Wherein, for making the cat ladder lightweight in the lift cage, the material of cat ladder body 2 is the aluminum alloy. The bottom cover of the montant 3 of cat ladder body 2 has an anti-skidding cover 6, anti-skidding cover 6 is the rubber material, can make cat ladder bottom and cage bottom more firm when the cat ladder uses like this, also can eliminate the noise when the cage operation when accomodating and placing. As shown in fig. 7, a shaft sleeve 10 is arranged on the pin shaft 4, so that the ladder can rotate along the shaft sleeve 10 when moving in the barb-shaped slot 5, and the ladder can move more smoothly; the length of the shaft sleeve 10 is larger than the sum of the thickness of the ear plate 1 and the thickness of the vertical rod 3, so that a sufficient movement gap is ensured between the ladder stand and the ear plate 1. The end part of the pin shaft 4 is provided with a flat washer 7, an elastic washer 8 and a locknut 9, so that the two ear plates 1 and the ladder stand body 2 cannot be easily disassembled after being combined, and the anti-theft function is realized.

The crawling ladder in the elevator cage is arranged below a door-turning hole in the top of the cage, when the crawling ladder is used, a vertical rod 3 of a crawling ladder body 2 is held by two hands, so that a pin shaft 4 moves along a barb type slotted hole 5, the pin shaft 4 is positioned at the tail end of a vertical section far away from the inner side wall of the elevator cage, the bottom of the vertical rod 3 of the crawling ladder body 2 is abutted to the bottom of the cage, the crawling ladder body 2 can be made to have a certain gradient, and the crawling ladder is convenient for workers to use; when the ladder stand is not used, the vertical rod 3 of the ladder stand body 2 is held by two hands, so that the pin shaft 4 moves along the barb type slotted hole 5 and is positioned at the tail end of an inclined section close to the inner side wall of the elevator cage, and the tail end of the inclined section is higher than the tail end of the vertical section; the ladder can be lifted up and vertically hung by the inner side wall close to the suspension cage, and the ladder is stored without occupying space. If the height of the ladder stand body 2 is 2m, when the ladder stand is used, the bottom of the vertical rod 3 of the ladder stand body 2 needs to be moved out by a distance of 0.5m, and the corresponding height at the moment is about 1.94m according to the right-angled triangle pythagorean theorem; the height of the ladder stand body 2 is 2m, when the ladder stand is stored, the height required to be hung is 2m, and only the tail end of the inclined section needs to be higher than the tail end of the vertical section by 0.06 m.

The utility model provides a cat ladder in lift cage, under the prerequisite that satisfies operation requirement, the quality does not reduce, and the security performance promotes, and the cost of manufacture reduces, and overall structure is simple, practical. When the ladder stand is used, the ladder stand can be easily put in place, the upper end of the ladder stand does not occupy the space of a top turnover door of a cage, the ladder stand can be conveniently stored, and the extra space of the cage is not occupied; the ladder stand is combined with the lifting cage of the elevator into a whole through the ear plates, so that the ladder stand is not easy to lose, is firmer and more stable when in use, cannot cause the problem of bottom sliding, cannot cause injury to workers, and improves the safety; the bottom anti-skid design can also eliminate the noise generated when the suspension cage runs; the aluminum alloy material is adopted, so that the design is light and beautiful; the anti-theft nut has a certain anti-theft function.

The above description is intended to be illustrative of the present invention and should not be taken as limiting the invention, but rather the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims (9)

1. The inner crawling ladder of the elevator cage is characterized by comprising two ear plates and a crawling ladder body, wherein the ear plates are fixed on the upper portion of the inner side wall of the elevator cage, barb-shaped groove holes are formed in the ear plates and comprise vertical sections and inclined sections, and the tail ends of the inclined sections are higher than the tail ends of the vertical sections; the ladder stand body comprises a pair of vertical rods, pin holes are formed in the tops of the vertical rods, and the pin holes are connected with the barb type slotted holes through pin shafts.

2. The elevator cage ladder of claim 1 wherein the sloped section is proximate an inner sidewall of the elevator cage and the vertical section is distal from the inner sidewall of the elevator cage.

3. The ladder of claim 1 wherein the bottom of the vertical post of the ladder body is fitted with an anti-slip cover.

4. The ladder of claim 1 wherein the pin is provided with a bushing, the bushing having a length greater than the thickness of the ear plate plus the thickness of the vertical post.

5. A ladder as claimed in claim 4, wherein the pin is provided with a plain washer, a resilient washer and a nut at its end.

6. The ladder of claim 5 wherein the nut is a locknut.

7. The ladder stand inside an elevator cage of claim 1 wherein the ladder stand body is made of aluminum alloy.

8. The ladder of claim 3 wherein the non-slip cover is rubber.

9. A ladder as claimed in claim 1, wherein the cage includes a top gate-flipping aperture, the ladder being disposed below the gate-flipping aperture.

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