CN220351436U - Front protective guard device for elevator car roof - Google Patents
Front protective guard device for elevator car roof Download PDFInfo
- Publication number
- CN220351436U CN220351436U CN202322047700.3U CN202322047700U CN220351436U CN 220351436 U CN220351436 U CN 220351436U CN 202322047700 U CN202322047700 U CN 202322047700U CN 220351436 U CN220351436 U CN 220351436U
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- reset switch
- beam assembly
- connecting plate
- elevator
- elevator car
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- 230000001681 protective effect Effects 0.000 title claims abstract description 14
- 238000010009 beating Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000001976 improved effect Effects 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model provides a front protective fence device of an elevator car roof, which solves the problem that the existing straight elevator car roof is difficult to set a front safety fence, and the technical scheme is as follows: the front protective fence comprises an upper beam assembly, a lower beam assembly and upright post assemblies with parallel sliding grooves, wherein the upright post assemblies are symmetrically arranged on two sides of the upper beam assembly and the lower beam assembly, and the upper beam assembly and the lower beam assembly are arranged on the sliding grooves through beam positioning bolts; the upper connecting plate and the lower connecting plate are welded on the two upright post assemblies and are fixedly connected with the vertical angle steel piece through bolts, the upper connecting plate is provided with a normally closed reset switch, the end part of the upper beam assembly is provided with a beating plate, and contacts of the reset switch are arranged on tracks of the beating plate sliding along the sliding grooves. The elevator car top maintenance position control device is simple in structure, personal safety guarantee of elevator maintenance personnel when the elevator car top operates the elevator is improved, the maintenance personnel can conveniently enter and exit the car top maintenance position, and safety guarantee is improved.
Description
Technical Field
The utility model relates to the field of elevator equipment, in particular to a front protective fence device of an elevator car roof, which is suitable for being installed and used by matching a vertical lifting elevator roof and a guardrail.
Background
At present, the society economy of China is developing rapidly, and multi-storey buildings are commonly loaded with vertical lift elevators, namely straight elevators. With the acceleration of urban rhythms and the continuous improvement of living standards of people, elevators have become a basic requirement of modern life. Many old civil multi-storey buildings still have no straight ladder equipment, with the continuous rising of urban residents for aging, a part of old people are residing in multi-storey residents without elevators, residents are urgent to improve living environment and facilitate life traveling, and with the advancement of barrier-free urban work, the market of the multi-storey residents with elevators added in each city is prosperous. However, the conventional vertical ladder has no front guardrail because the top of the elevator is close to the front wall of the doorway, for example, patent document CN112047217a discloses an elevator car top guardrail which comprises left and right side guardrails and rear guardrails and no front guardrail. But install the well of vertical ladder more mostly in steel construction well, be mostly in the middle of this kind of well frame glass curtain wall, this kind of structure leads to the sedan-chair top place ahead to be in the shape of increasing apart from the door mouth side distance, and the maintainer exists the well that drops when the sedan-chair top overhauls to take place personnel fall accident, and direct simple guardrail before installing additional is inconvenient the maintainer business turn over sedan-chair top overhauls the position, has increased work difficulty.
Disclosure of Invention
The utility model aims to provide a front protective fence device for an elevator car roof, which solves the problem that the existing straight elevator car roof is difficult to set a front safety fence, has a simple structure, is convenient for an maintainer to enter and exit a car roof maintenance position, and improves safety guarantee.
The technical scheme adopted by the utility model is as follows: this rail guard device before elevator sedan-chair top includes: front guard rails connected with guard rails on the left side and the right side of the straight ladder car top guard rail are technically characterized in that: the front protective fence comprises an upper beam assembly, a lower beam assembly and upright post assemblies with parallel sliding grooves, wherein the upright post assemblies are symmetrically arranged on two sides of the front protective fence; the upper connecting plate and the lower connecting plate are fixedly connected with vertical angle steel pieces at the front ends of the protective rails at the left side and the right side through bolts, the upper connecting plate is provided with a normally closed reset switch for controlling contacts arranged at the front part of an elevator system switch, the end part of an upper beam component corresponding to the reset switch is provided with a beating plate for triggering the reset switch, and the contacts of the reset switch are arranged on tracks of the beating plate sliding along a sliding chute.
The cross section of the upper connecting plate is in a shape like a Chinese character 'ji', one side wall of the upper connecting plate is welded on the outer side of the upright post assembly, the extension section of the other side wall is fixedly connected with the reset switch shell through a bolt, and the middle section is fixedly connected with the vertical angle steel piece through a bolt.
The beating plate is a thin plate with a bending inclined plane, and the thin plate is used for touching the front end part of the reset switch contact.
The utility model has the advantages and positive effects that: the utility model adopts the front guard rail assembled by the upper beam component, the lower beam component and the upright post components with sliding grooves symmetrically arranged at two sides, the upper beam component and the lower beam component are fixed with the sliding grooves of the upright post components through the beam positioning bolts and are connected with the vertical angle steel members of the guard rails at the left side and the right side by utilizing the upper connecting plate and the lower connecting plate of the upright post components, so that the upper beam component and the front lower beam component can be conveniently lifted through the elastic beam positioning bolts to form the passing and blocking state of the front guard rail, and the guard rail can be firmly fixed on the guard rails at the left side and the right side so as to be connected with the guard rail at the top of a straight ladder into a whole; the normally closed reset switch for controlling the switch of the elevator system is arranged on the upper connecting plate, the upper beam assembly is provided with a beating plate for triggering the reset switch, and the contact of the reset switch is arranged on the track of the beating plate sliding along the sliding chute, so that the elevator system can be closed when the upper beam assembly descends, namely the guardrail closes the elevator in a passing state; the elevator system can be switched on when the upper beam assembly rises, namely, the elevator is switched on in the guardrail and protection state. Therefore, the personal safety guarantee of elevator maintenance personnel when the elevator is operated by the car roof is improved, and the elevator safety control device is simple in structure and convenient to use.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic top view of FIG. 1;
fig. 3 is an enlarged view of a portion a of fig. 1;
fig. 4 is an enlarged view of a portion B of fig. 2;
FIG. 5 is a schematic cross-sectional view of an upper web according to an embodiment of the present utility model;
FIG. 6 is a schematic view of an open state structure according to an embodiment of the present utility model;
fig. 7 is a schematic view of a conventional elevator car roof side rail structure.
The serial numbers in the figures illustrate: the car top protective fence comprises a column assembly 1, a chute 2, a lower connecting plate 3, a reset switch 4, a contact 41, an upper connecting plate 5, a beating plate 6, a beam positioning bolt 7, an upper beam assembly 8, a lower beam assembly 9, a gasket 10, a vertical angle steel member 11 and a car top protective fence 12.
Description of the embodiments
Referring to fig. 1 to 7, which illustrate the specific structure of the present utility model in detail, an elevator car roof front rail guard device according to the embodiment shown in fig. 1 and 2 includes: the front guard rail fixedly connected to the front end of the vertical ladder car top guard rail is provided with vertical angle steel members 11 at the front ends of the guard rails on the left and right sides of the car top guard rail 12 as shown in fig. 7. As shown in fig. 1 and 2, the front guard rail comprises an upper beam assembly 8, a lower beam assembly 9 and upright post assemblies 1 with parallel sliding grooves 2 symmetrically arranged on two sides, wherein the upper beam assembly 8 and the lower beam assembly 9 are square tube profiles, the upright post assemblies 1 are square tube profiles with longitudinal opening sliding grooves on one sides along the length direction, the upper beam assembly 8 and the lower beam assembly 9 are arranged on the sliding grooves 2 of the upright post assemblies on two sides through beam positioning bolts 7, the beam positioning bolts 7 are provided with gaskets 10 with flat pads and elastic pads, and the upper beam assembly and the lower beam assembly can naturally slide down to the bottoms of the upright post assemblies along the sliding grooves through loosening the beam positioning bolts. As shown in fig. 3 and 4, an upper connecting plate 5 and a lower connecting plate 3 are welded on the outer side of the two-upright column assembly 1, the upper connecting plate 5 and the lower connecting plate 3 are transversely connected with a vertical angle steel member 11 through bolts, one end of the upper connecting plate 5 is provided with a normally closed reset switch 4, and the reset switch is a normally closed reset switch which is commercially available and is used for controlling an elevator system switch, and the front part of the reset switch is provided with a contact 41, and is connected with the elevator system through a cable in a conventional switch connection mode. The end part of the upper beam component 8 corresponding to the reset switch 4 is provided with a beating plate 6 for triggering the reset switch, a contact 41 of the reset switch is arranged on a sliding track of the beating plate along a sliding chute, the upper beam component slides up and down to drive the beating plate to touch the contact of the reset switch, the reset switch switches the switching function, the contact 41 of the reset switch is an elastic contact, and after the beating plate is separated from the touch contact, the contact rebounds to the original position as shown in a lower stroke displacement of the beating plate 6 in the touch of FIG. 4.
As a further improvement, as shown in FIG. 5, the shape of the upper connecting plate 5 can be a connecting plate with a cross section in a shape like a Chinese character 'ji', one side wall of the upper connecting plate is welded on the outer side of the upright post assembly 1, the extension section of the other side wall is fixedly connected with the outer shell of the reset switch 4 through a bolt, the middle section is fixedly connected with the vertical angle steel piece 11 through a bolt, and the upright post assembly 1, the reset switch 4 and the vertical angle steel piece 11 are fixedly connected together by adopting a simple shape, so that the parts are saved, and the occupied space is reduced.
As a further improvement, the beating plate 6 can be a thin plate with a bending inclined plane at the front end part and is used for touching the reset switch contact, so that the phenomenon that the reset switch is blocked when touching the reset switch contact can be avoided, and the reset switch can be reliably and smoothly triggered.
Working process and principle: when the elevator normally operates, the front guard rail is in a raised guard state, as shown in fig. 1, the upper beam assembly 8 and the lower beam assembly 9 are in a high position and are fixed with the upright column assembly chute 2 through the beam positioning bolts 7, and the reset switch 4 is in a normally closed state; when maintenance or inspection personnel need to enter a car roof for inspection, the upper beam assembly 8 and the lower beam assembly 9 can naturally slide down along the sliding groove by unscrewing the beam positioning bolts, in the process that the upper beam assembly slides down, the beating plate moves down to touch the reset switch contact, the reset switch is triggered once, the elevator control system is opened, the elevator cannot run at the moment, the upper beam assembly 8 and the lower beam assembly 9 slide down to the bottom of the upright column assembly 1 freely, and the front guard rail is in a passing state at the moment; at the moment, maintenance or inspection personnel can enter the car roof, after entering the car roof, the front guardrail mounting height is restored, the personal safety of the personnel at the car roof is protected, the upper beam assembly triggers the reset switch again in the ascending process, the elevator control system is communicated, and at the moment, the elevator can be normally operated for maintenance; after detection or maintenance is finished, the upper beam assembly and the lower beam assembly naturally slide down along the sliding groove again, the reset switch is triggered, the elevator control system is disconnected, at the moment, the elevator cannot run, the front guardrail is required to be restored after the elevator leaves the car roof, the reset switch is reset, the elevator control system is communicated, and the elevator party can resume running. The front guardrail falling state is formed, the straight ladder cannot run, and after the front guardrail is restored to a high position, the control effect of normal operation of the straight ladder is achieved, so that the personal safety of elevator maintenance personnel when the elevator is operated by the elevator roof is greatly improved, and the elevator safety control device is simple in structure, easy to operate and convenient to use.
In view of the above, the object of the present utility model is achieved.
Claims (3)
1. A front rail guard device for an elevator car roof, comprising: front guard rail connected with guard rails on the left side and the right side of the straight ladder car top guard rail, and is characterized in that: the front protective fence comprises an upper beam assembly, a lower beam assembly and upright post assemblies with parallel sliding grooves, wherein the upright post assemblies are symmetrically arranged on two sides of the front protective fence; the upper connecting plate and the lower connecting plate are fixedly connected with vertical angle steel pieces at the front ends of the protective rails at the left side and the right side through bolts, the upper connecting plate is provided with a normally closed reset switch for controlling contacts arranged at the front part of an elevator system switch, the end part of an upper beam component corresponding to the reset switch is provided with a beating plate for triggering the reset switch, and the contacts of the reset switch are arranged on tracks of the beating plate sliding along a sliding chute.
2. The elevator car roof front rail guard device of claim 1, wherein: the cross section of the upper connecting plate is in a shape like a Chinese character 'ji', one side wall of the upper connecting plate is welded on the outer side of the upright post assembly, the extension section of the other side wall is fixedly connected with the reset switch shell through a bolt, and the middle section is fixedly connected with the vertical angle steel piece through a bolt.
3. The elevator car roof front rail guard device according to claim 1 or 2, characterized in that: the beating plate is a thin plate with a bending inclined plane, and the thin plate is used for touching the front end part of the reset switch contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047700.3U CN220351436U (en) | 2023-08-01 | 2023-08-01 | Front protective guard device for elevator car roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047700.3U CN220351436U (en) | 2023-08-01 | 2023-08-01 | Front protective guard device for elevator car roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220351436U true CN220351436U (en) | 2024-01-16 |
Family
ID=89483515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322047700.3U Active CN220351436U (en) | 2023-08-01 | 2023-08-01 | Front protective guard device for elevator car roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220351436U (en) |
-
2023
- 2023-08-01 CN CN202322047700.3U patent/CN220351436U/en active Active
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