CN220642154U

CN220642154U - Elevator overhauls platform

Info

Publication number: CN220642154U
Application number: CN202322191415.9U
Authority: CN
Inventors: 林俊勇; 林俊杰; 任俊杰
Original assignee: Homefriend and Fuji Elevator Co Ltd
Current assignee: Homefriend and Fuji Elevator Co Ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-22
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses an elevator maintenance platform, and relates to the technical field of elevators. The elevator maintenance platform comprises a platform main body erected on the car roof and a cat ladder used for connecting the platform main body and the car roof; front guardrails are arranged on one side, connected with the crawling ladder, of the platform main body, and side guardrails are respectively arranged on the other three sides of the platform main body; the front guardrail comprises a fixed guardrail and a movable guardrail, and the movable guardrail is movably connected with the fixed guardrail and is arranged corresponding to the cat ladder; the front guardrail is provided with a safety switch, and the safety switch is electrically connected with a safety loop of the elevator. The elevator overhauling platform can facilitate overhauling staff to carry out overhauling work and improve overhauling safety.

Description

Elevator overhauls platform

Technical Field

The utility model relates to the technical field of elevators, in particular to an elevator maintenance platform.

Background

Existing elevator without machine room generally adopts a main machine overhaul hole formed in the top layer of a hoistway so as to overhaul the main machine. For the going on of convenient maintenance, can set up independent maintenance platform at the well top layer generally, and these maintenance platforms need use the bearing girder steel that runs through whole well when the installation, and the required material is more, and installation cost is high.

Therefore, there are also some maintenance platforms installed on the car roof, and maintenance personnel can directly stand on the car roof to perform work when maintenance is performed, but because the installation position of the motor is generally far higher than the position of the car roof maintenance platform, maintenance personnel need to keep the head raising action for a long time when the motor is maintained, the neck of the maintenance personnel is always damaged, and the work efficiency of the maintenance personnel is not high because of unsuitable maintenance posture.

In addition, the existing maintenance platform has the problem of being independent of an elevator system, and the problem that maintenance personnel suddenly start an elevator in the maintenance process is likely to occur.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide an elevator maintenance platform, which aims to solve the technical problems that the height of the elevator maintenance platform in the prior art is too low and the elevator may suddenly start during maintenance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an elevator maintenance platform comprises a platform main body erected on a car roof and a cat ladder used for connecting the platform main body and the car roof; front guardrails are arranged on one side, connected with the crawling ladder, of the platform main body, and side guardrails are respectively arranged on the other three sides of the platform main body; the front guardrail comprises a fixed guardrail and a movable guardrail, and the movable guardrail is movably connected with the fixed guardrail and is arranged corresponding to the cat ladder; the front guardrail is provided with a safety switch, and the safety switch is electrically connected with a safety loop of the elevator.

The elevator overhauling platform comprises a platform body and a plurality of supporting plates, wherein the platform body comprises a platform frame and a plurality of supporting plates arranged on the platform frame; the platform frame comprises a rectangular supporting structure and a plurality of supporting columns arranged below the rectangular supporting structure; the bottom of the support column is fixedly connected with the car roof through bolts.

The elevator overhauls the platform, wherein, the bottom of side guardrail, fixed railing and movable railing still is provided with the toe guard.

The elevator overhauling platform comprises a rectangular supporting structure, a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod, wherein the first supporting rod, the second supporting rod, the third supporting rod and the fourth supporting rod are sequentially connected end to end; the rectangular supporting structure further comprises a plurality of transverse supporting rods, and two ends of the transverse supporting rods are fixedly connected with the first supporting rods and the third supporting rods respectively; the supporting plates are arranged on the transverse supporting rods.

The elevator overhauling platform is characterized in that a gravity sensing switch is arranged on the transverse supporting rod, and the supporting plate is arranged on the gravity sensing switch; the gravity sensing switch is electrically connected with a safety loop of the elevator and is used for disconnecting the elevator circuit during maintenance.

The elevator overhauling platform is characterized in that the gravity sensing switch is connected with a first indicator lamp, and the first indicator lamp is arranged on the fixed railing and used for indicating that the gravity sensing switch is triggered; the safety switch is connected with a second indicator lamp, and the second indicator lamp is arranged on the fixed railing and used for indicating that the safety switch is triggered.

The elevator overhauls the platform, wherein, one side of cat ladder is provided with the handrail.

The elevator overhauling platform comprises a fixed railing and a movable railing, wherein the fixed railing comprises a first railing and a second railing; the movable railing is arranged between the first railing and the second railing; one end of the movable railing is hinged with the first railing, and the other end of the movable railing is clamped with the second railing through a clamping piece.

The elevator overhauling platform is characterized in that the clamping piece is movably connected to the top of the second railing; the clamping piece comprises two supporting pieces and a top plate fixed on the two supporting pieces, and the length of the top plate is smaller than that of the two supporting pieces; the two supporting pieces are respectively and movably connected with the two outer side walls at the top of the second railing; the top of the second railing and the top of the movable railing are positioned between the two supporting pieces.

The elevator overhauls the platform, wherein, be provided with the strip lamp on fixed railing and the side guardrail.

The beneficial effects are that:

the utility model provides an elevator maintenance platform which is arranged on an elevator car top, wherein the height from the elevator maintenance platform to a motor can be adjusted according to actual needs during installation, so that maintenance staff can use a more comfortable posture to carry out maintenance work. In addition, still be provided with safety switch on the elevator overhauls the platform, safety switch is connected with the safety return circuit of elevator, cuts off the elevator circuit when the maintenance, can effectively avoid the elevator to start suddenly in the maintenance process.

Drawings

Fig. 1 is a schematic structural view of an elevator inspection platform.

Fig. 2 is a schematic diagram of a second elevator inspection platform.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a schematic structural view of the platform body.

Fig. 5 is a schematic structural view of the front rail.

Fig. 6 is an enlarged view of fig. 2 at B.

Description of main reference numerals: 1-platform main part, 2-cat ladder, 3-front guardrail, 4-side guardrail, 31-fixed railing, 32-movable railing, 33-safety switch, 11-rectangle bearing structure, 12-backup pad, 13-support column, 34-toe guard, 111-first bracing piece, 112-second bracing piece, 113-third bracing piece, 114-fourth bracing piece, 115-horizontal bracing piece, 5-gravity induction switch, 21-handrail, 51-first pilot lamp, 331-second pilot lamp, 311-first railing, 312-second railing, 35-fastener, 351-roof, 352-support piece, 6-lamp.

Detailed Description

The utility model provides an elevator maintenance platform, which is used for making the purposes, technical schemes and effects of the elevator maintenance platform clearer and more definite, and is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Referring to fig. 1, 2 and 3, the utility model provides an elevator maintenance platform, which comprises a platform main body 1 erected on a car roof and a ladder stand 2 for connecting the platform main body 1 and the car roof; front guardrails 3 are arranged on one side, connected with the crawling ladder 2, of the platform main body 1, and side guardrails 4 are respectively arranged on the other three sides of the platform main body 1; the front guardrail 3 comprises a fixed railing 31 and a movable railing 32, and the movable railing 32 is movably connected with the fixed railing 31 and is arranged corresponding to the cat ladder 2; the front guardrail 3 is provided with a safety switch 33, and the safety switch 33 is electrically connected with a safety loop of the elevator. The platform main body 1 is used for improving the standing position of an maintainer, so that the maintainer does not need to keep the head-leaning action in the overhaul process. The setting of cat ladder 2 then has avoided the maintainer to climb on the sedan-chair top, reduces the emergence of incident. After an maintainer climbs on the ladder 2, the movable railing 32 is required to be opened firstly to enter the platform main body 1, and the movable railing 32 is required to be closed after entering, so that the movable railing surrounds the platform main body 1, and the maintainer is prevented from carelessly falling from the platform main body 1 in the operation process.

Although the starting of the elevator at the time of maintenance is a rare case, it may be fatal once it occurs, and by providing the safety switch 33 on the elevator maintenance platform to be connected with the safety circuit of the elevator, it can be ensured that the elevator maintenance platform is always kept in an off state in the manned condition.

Preferably, when the car is in a flat-rise, the standing surface of the platform main body 1 is 1.3-1.5 m away from the main machine. The host is located outside the platform body 1, and the maintenance personnel can operate most comfortably at this height.

Preferably, the standable area of the platform body 1 should be not less than 0.12m ² 。

Preferably, the net width of the ladder stand 2 should not be smaller than 0.35m, the pedal depth of the ladder stand 2 should not be smaller than 25mm, the design load of the pedal should be 1500N, and when the height of the ladder exceeds 1.5m, the included angle between the ladder stand and the horizontal direction should be between 65 degrees and 75 degrees.

Referring to fig. 2, in one embodiment, the platform body 1 includes a platform frame and a plurality of support plates 12 disposed on the platform frame; the platform frame comprises a rectangular supporting structure 11 and a plurality of supporting columns 13 arranged below the rectangular supporting structure 11; the bottom of the supporting column 13 is fixedly connected with the car roof through bolts. Preferably, the top of the supporting column 13 is also fixedly connected with the rectangular supporting structure 11 through bolts, so as to facilitate the installation of the platform main body 1.

Preferably, the heights of the front guard rail 3 and the side guard rails 4 are not less than 1.1 meter, foot guard plates 34 are further arranged at the bottoms of the side guard rails 4, the fixed guard rail 31 and the movable guard rail 32, and the foot guard plates 34 are used for preventing maintenance personnel from stepping on the air carelessly in the maintenance process. Specifically, the height of the toe guard 34 is not less than 0.1 meter. The front guard rail 3 and the side guard rails 4 can reduce the weight of the maintenance platform without adopting a totally-enclosed steel plate.

Preferably, the side guard rail 4 and the fixed guard rail 31 are fixedly connected with each other through bolts, so as to improve the overall strength of the guard rail.

Referring to fig. 4, in one embodiment, the rectangular supporting structure 11 includes a first supporting rod 111, a second supporting rod 112, a third supporting rod 113 and a fourth supporting rod 114 connected in sequence from end to end; the rectangular supporting structure 11 further includes a plurality of transverse supporting rods 115, and two ends of the transverse supporting rods 115 are respectively fixedly connected with the first supporting rod 111 and the third supporting rod 113; a plurality of the support plates 12 are disposed on the lateral support rods 115. Preferably, the platform body 1 includes two support members 352, and each support plate 12 is supported by two cross support rods 115. The space of the well is smaller, and the smaller volume of the components of the platform main body 1 is beneficial to completing the installation in a narrow space.

Referring to fig. 4, in one embodiment, the transverse support rod 115 is provided with a gravity sensing switch 5, and the support plate 12 is disposed on the gravity sensing switch 5; the gravity sensing switch 5 is electrically connected with a safety loop of the elevator and is used for disconnecting the elevator circuit during maintenance. The maintenance work of the elevator belongs to high-risk operation, and in order to ensure enough safety and avoid the failure of the safety switch 33, the embodiment forms a second safety by arranging the gravity sensing switch 5. When an serviceman stands on the support plate 12, the gravity sensing switch 5 is triggered to break the elevator circuit. Specifically, the triggering threshold of the gravity sensing switch 5 may be set according to practical situations, for example, the gravity sensing switch may be triggered when the gravity sensing switch is set to be greater than 25kg, so as to avoid false touch caused by excessive sensitivity.

Referring to fig. 3, in one embodiment, the gravity sensing switch 5 is connected to a first indicator light 51, and the first indicator light 51 is disposed on the fixed rail 31 for indicating that the gravity sensing switch 5 is triggered; the safety switch 33 is connected with a second indicator light 331, and the second indicator light 331 is disposed on the fixed rail 31 and is used for indicating that the safety switch 33 is triggered.

Referring to fig. 1, in one embodiment, a handrail 21 is disposed on one side of the ladder 2. Since the width of the ladder stand 2 is small, it is more suitable to provide the one-sided handrail 21.

Preferably, the bottom of the front rail 3 is fixed to the platform body 1 by bolts. The front guardrail 3 can reduce welding work in the well through bolt fixation, and installation difficulty is reduced.

Referring to fig. 5, in one embodiment, the fixed rail 31 includes a first rail 311 and a second rail 312; the movable railing 32 is arranged between the first railing 311 and the second railing 312; one end of the movable rail 32 is hinged to the first rail 311, and the other end thereof is clamped to the second rail 312 by the clamping member 35. The fastener 35 is used for fixing the movable rail 32. Preferably, the first rail 311, the movable rail 32 and the second rail 312 are all a grid structure consisting of a plurality of vertical bars and a plurality of cross bars.

Referring to fig. 6, in one embodiment, the fastener 35 is movably connected to the top of the second rail 312; the fastener 35 includes two support members 352 and a top plate 351 fixed to the two support members 352, and the top plate 351 has a length smaller than that of the two support members 352; the two supporting pieces 352 are respectively and movably connected with the two outer side walls at the top of the second railing 312; the top of the second rail 312 and the top of the movable rail 32 are located between the two supports 352. The movable end of the fastener 35 is formed with a clamping groove with a downward opening, the width of the clamping groove is equal to the thickness of the second railing 312 and the movable railing 32, and when the fastener 35 is shifted downwards, the top of the movable railing 32 is embedded into the fastener 35, so that the movement is limited by the fastener 35.

The movable railing 32 can also be fixed by adding other simple door locks on the movable railing 32.

Referring to fig. 1, in one embodiment, the fixed rail 31 and the side rail 4 are provided with a strip lamp 6. The strip lamp 6 is used for illumination. Light is insufficient in the well, therefore, maintenance personnel are often required to carry lamps and lanterns to intensify light when overhauling, and the headlight or the flashlight commonly used has the too narrow problem of irradiation angle, can play fine illuminating effect through setting up strip lamp 6 on fixed railing 31 and side guardrail 4. Preferably, the strip lamp 6 adopts the starting mode of emergency lighting lamp, and it is provided with independent battery, the battery is connected with elevator circuit, when the elevator outage overhauls, triggers strip lamp 6 illumination, after the maintenance, accessible manual work closes.

In summary, the safety switch 33 electrically connected to the safety circuit of the elevator is provided in the platform body 1 disposed on the car roof, thereby improving the comfort and safety of the maintenance personnel during the maintenance work and effectively maintaining the life safety of the maintenance personnel.

It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.

Claims

1. The elevator overhauling platform is characterized by comprising a platform main body and a cat ladder, wherein the platform main body is erected on the car roof, and the cat ladder is used for connecting the platform main body and the car roof; front guardrails are arranged on one side, connected with the crawling ladder, of the platform main body, and side guardrails are respectively arranged on the other three sides of the platform main body; the front guardrail comprises a fixed guardrail and a movable guardrail, and the movable guardrail is movably connected with the fixed guardrail and is arranged corresponding to the cat ladder; the front guardrail is provided with a safety switch, and the safety switch is electrically connected with a safety loop of the elevator.

2. The elevator service platform of claim 1, wherein the platform body comprises a platform frame and a plurality of support plates disposed on the platform frame; the platform frame comprises a rectangular supporting structure and a plurality of supporting columns arranged below the rectangular supporting structure; the bottom of the support column is fixedly connected with the car roof through bolts.

3. The elevator service platform of claim 1, wherein the bottoms of the side rails, the fixed rail, and the movable rail are further provided with foot guards.

4. The elevator inspection platform of claim 2, wherein the rectangular support structure comprises a first support bar, a second support bar, a third support bar, and a fourth support bar connected end to end in sequence; the rectangular supporting structure further comprises a plurality of transverse supporting rods, and two ends of the transverse supporting rods are fixedly connected with the first supporting rods and the third supporting rods respectively; the supporting plates are arranged on the transverse supporting rods.

5. The elevator inspection platform of claim 4, wherein the cross support bar is provided with a gravity sensing switch, and the support plate is disposed on the gravity sensing switch; the gravity sensing switch is electrically connected with a safety loop of the elevator and is used for disconnecting the elevator circuit during maintenance.

6. The elevator service platform of claim 5, wherein the gravity sensing switch is connected with a first indicator light, the first indicator light is arranged on the fixed rail and used for indicating that the gravity sensing switch is triggered; the safety switch is connected with a second indicator lamp, and the second indicator lamp is arranged on the fixed railing and used for indicating that the safety switch is triggered.

7. The elevator service platform of claim 1, wherein one side of the ladder is provided with handrails.

8. The elevator service platform of claim 1, wherein the fixed rail comprises a first rail and a second rail; the movable railing is arranged between the first railing and the second railing; one end of the movable railing is hinged with the first railing, and the other end of the movable railing is clamped with the second railing through a clamping piece.

9. The elevator service platform of claim 8, wherein the clasp is movably connected to the top of the second rail; the clamping piece comprises two supporting pieces and a top plate fixed on the two supporting pieces, and the length of the top plate is smaller than that of the two supporting pieces; the two supporting pieces are respectively and movably connected with the two outer side walls at the top of the second railing; the top of the second railing and the top of the movable railing are positioned between the two supporting pieces.

10. The elevator service platform of claim 1, wherein the fixed rail and side rail are provided with a strip light.