CN210682928U - Protection system for escalator floor plate to open escalator and stop running - Google Patents

Abstract

The utility model discloses a protection system that staircase stop motion was opened to staircase floor board, it includes the chassis, contact switch, and force the adjustment mechanism of contact switch closure or disconnection, bottom surface at escalator floor board is equipped with the track, adjustment mechanism just can be in the track gliding touch head including setting up in the contact switch top, the setting just can keep the adjusting part of touch head upward movement trend on the chassis, wherein escalator floor board is established on the touch head from the rail pressure, the touch head pushes down on contact switch and makes contact switch closure form closed return circuit. The utility model discloses in case staircase floor board is opened or the accident moves the back, touch head and contact switch separation, contact switch disconnection closed circuit, elevator stop motion, simultaneously, keep under the state that touch head and contact switch break away from at adjusting part, prevent that the malfunction of staircase from taking place, promote the security that maintainer got into in the staircase, in addition, simple structure, it is convenient to implement, and with low costs.

Description

Protection system for escalator floor plate to open escalator and stop running

Technical Field

The utility model belongs to the staircase field has and relates to a protection system that staircase stop motion was opened to staircase floor board.

Background

With the exposure of various elevator accidents, the safety of the elevator draws a deep thinking, and although much attention is paid, the elevator continues to be tragic, so that the structure is only continuously improved, and the potential safety hazard is eliminated.

As is well known, in the long-term use of staircase, need inevitably to open the floor board and carry out interior subassembly and maintain, however, what adopt at present all is the mode of infrared inductor response for elevator auto-power-off, because it has the sensitivity of transition, the action that leads to erroneous judgement very easily takes place, so, can't guarantee to get into the inside personnel of staircase and carry out the safety guarantee of maintenance work.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a protection system that staircase floor board was opened staircase stop motion.

For solving the technical problem, the utility model discloses take following technical scheme:

a protection system for opening the floor plate of an escalator to stop running comprises a bottom frame, a contact switch capable of forming a closed loop with a circuit control center of the escalator, and an adjusting mechanism for forcing the contact switch to be closed or opened, wherein a track is arranged on the bottom surface of the floor plate of the escalator,

adjustment mechanism is including setting up in the contact switch top and can be in the gliding touch head of track, setting on the chassis and can keep the adjusting part of the first upward movement trend of touch, and wherein the escalator floor board is pressed from the track and is established on the touch, and the touch pushes down on the contact switch and makes the contact switch closed form closed circuit.

Specifically, when the floor plate of the escalator is opened or the contact head is separated from the track, the adjusting component drives the contact head to reset and separate from the contact switch, the contact switch is disconnected, the closed loop is opened, and the escalator stops running.

According to a specific implementation and preferred aspect of the utility model, the adjusting part includes from lower tip slip setting on the chassis and set up first vaulting pole and the second vaulting pole in the contact switch left and right sides, be used for pivot that first vaulting pole and second vaulting pole upper end and touch head rotate the connection mutually and set up on the chassis in order to keep the lower tip of first vaulting pole and second vaulting pole to draw close the elastomeric element of motion trend relatively.

Preferably, the elastic component comprises a left elastic unit and a right elastic unit which are correspondingly arranged at the left side and the right side of the contact switch, wherein the left elastic unit comprises a left elastic piece and a left connecting rod, the left end part of the left elastic piece is arranged on the underframe and extends horizontally, and the right end part of the left elastic piece is connected with the lower end part of the first support rod; the right elastic unit comprises a right elastic piece and a right connecting rod, wherein the right end portion of the right elastic piece is arranged on the underframe and extends horizontally, the right connecting rod is used for connecting the left end portion of the right elastic piece with the lower end portion of the second support rod, and the elastic force provided by the left elastic piece and the elastic force provided by the right elastic piece are equal.

Preferably, the left elastic piece and the right elastic piece are identical in structure and are both springs.

Preferably, the lower end parts of the first stay bar and the second stay bar are respectively provided with a first roller and a second roller, and the left connecting rod and the right connecting rod are respectively connected with the U-shaped joint at the two end parts of the wheel shaft of the first roller and the second roller.

According to the utility model discloses a concrete implementation and preferred aspect, the chassis includes the backup pad that the level extends, sets up the shrouding at the backup pad both ends, first gyro wheel and second gyro wheel are in the backup pad on roll, left elastic component and right elastic component correspond respectively and fix on the shrouding.

Preferably, a sliding groove matched with the first roller and the second roller is arranged on the supporting plate. And further, the movement routes of the first roller and the second roller are limited, so that the spring is in a relatively stable output state.

Preferably, the first and second struts are of equal length, the touch head being arranged on a pivot. In this way, the first stay bar, the second stay bar and the support plate form an isosceles triangle, and the touch head is located at the vertex of the isosceles triangle, so that the touch head moves up and down along the bisector (or the corresponding height and the corresponding center line) of the vertex in a state where the first stay bar and the second stay bar on both sides move simultaneously.

In addition, the touch head is in a roller shape and is arranged on the pivot in a rotating way around the axis of the pivot.

Preferably, a rail groove having a downward opening and matching with the touch head is formed on the rail.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses in case staircase floor board is opened or the accident moves the back, touch head and contact switch separation, contact switch disconnection closed circuit, elevator stop motion, simultaneously, keep under the state that touch head and contact switch break away from at adjusting part, ensure that maintainer gets into the security in the staircase, in addition, simple structure, it is convenient to implement, and with low costs.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a protection system for stopping operation of an escalator when a floor plate of the escalator is opened;

1. a chassis; 10. a support plate; 10a, a chute; 11. closing the plate;

2. a contact switch;

3. an adjustment mechanism; 30. a touch head; 31. an adjustment assembly; 311. a first stay bar; 312. a second stay bar; 313. a pivot; 314. an elastic member; a. a left elastic unit; a1, left elastic element; a2, U-shaped joint; a3, left connecting rod; a4, left sliding support block; b. a right elastic unit; b1, right elastic element; b2, a U-shaped joint; b3, a right connecting rod; b4, right sliding support block; g1, a first roller; g2, a second roller;

A. a stair floor plate; g. a track.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the protection system for stopping the operation of the escalator with the floor boards opened comprises a chassis 1, a contact switch 2 capable of forming a closed loop with an escalator circuit control center, and an adjusting mechanism 3 for forcing the contact switch 2 to be closed or opened.

Specifically, the base frame 1 includes a support plate 10 extending horizontally, and cover plates 11 provided at both end portions of the support plate 10.

The contact switch 2, which is a conventional product in the art, is commercially available directly and will not be described in detail herein.

In this example, a track g is provided on the bottom surface of the escalator floor plate a, and the adjusting mechanism 3 includes a touch head 30 provided above the touch switch 2 and slidable in the track g, and an adjusting unit 31 provided on the base frame 1 and capable of maintaining the upward movement tendency of the touch head 30.

Specifically, when the escalator floor plate a is closed, the escalator floor plate a is pressed on the touch head 30 from the rail g, and the touch head 30 presses down on the contact switch 2 to close the contact switch 2 to form a closed loop; when the escalator floor plate A is opened or the touch head 30 is separated from the track g, the adjusting component 31 drives the touch head 30 to reset and be separated from the contact switch 2, the contact switch 2 is disconnected, the closed loop is disconnected, and the escalator stops running.

In order to implement the above-mentioned operation, the adjusting assembly 31 includes a first stay 311 and a second stay 312 slidably disposed on the support plate 10 from the lower end thereof and disposed on the left and right sides of the contact switch 2, a pivot 313 for rotatably connecting the upper ends of the first stay 311 and the second stay 312 and the touch head 30, and an elastic member 314 disposed on the sealing plate 11 for maintaining the tendency of the lower ends of the first stay 311 and the second stay 312 to move relatively close to each other.

A sliding groove 10a is provided on the support plate 10, and a first roller G1 and a second roller G2 that roll in the sliding groove 10a are respectively provided at the bottom of the first stay 311 and the second stay 312.

Specifically, the sliding groove 10a is in matching butt joint with the first roller G1 and the second roller G2, so that the first roller G1 and the second roller G2 are limited to move only along the length direction of the sliding groove 10a, and the elastic component 314 is in a relatively stable output state.

In this example, the elastic member 314 includes a left elastic unit a and a right elastic unit b symmetrically disposed at both left and right sides of the contact switch 2.

The left elastic unit a includes a left elastic member a1 having a left end portion disposed on the closing plate 11 and extending horizontally, a U-shaped joint a2 connected to both end portions of the wheel shaft of the first roller G1, and a left link a3 for connecting a right end portion of the left elastic member a1 to the U-shaped joint a 2.

The right elastic unit b includes a right elastic member b1 having a right end portion disposed on the closing plate 11 and extending horizontally, U-shaped joints b2 connected to both ends of the wheel shaft of the second roller G2, and a right link b3 for connecting the left end portion of the right elastic member b1 to the U-shaped joint a 2.

In this example, the elastic force provided by the left elastic element a1 and the right elastic element b1 are equal and both are springs.

Lower end portions of the left link a3 and the right link b3 are provided with a left slide support block a4 and a right slide support block b4, respectively, which are slidable on the slide groove 10 a.

Meanwhile, the first stay 311 and the second stay 312 are equal in length, and the touch head 30 is provided on the pivot 313. In this way, the first and second stays 311 and 312 and the support plate 10 form an isosceles triangle, and the touch head 30 is located at the vertex of the isosceles triangle, so that the touch head moves up and down along the bisector (or the corresponding height and the corresponding center line) of the vertex in a state where the first and second stays on both sides move simultaneously.

In this example, the touch head 30 is in the form of a roller and is rotatably disposed on the pivot 313 about the axis of the pivot 313.

In addition, in order to facilitate accurate installation of the escalator floor panel a, a rail groove opened downward and matched with the touch head 30 is formed on the rail g.

The present invention has been described in detail, but the present invention is not limited to the above-described embodiments. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A protection system for stopping operation of an escalator opened by a floor plate of the escalator comprises an underframe, a contact switch capable of forming a closed loop with an escalator circuit control center and an adjusting mechanism forcing the contact switch to be closed or opened, and is characterized in that:

a track is arranged on the bottom surface of the stair floor plate,

the adjusting mechanism comprises a touch head which is arranged above the contact switch and can slide in the track, and an adjusting component which is arranged on the underframe and can keep the upward movement trend of the touch head, wherein the escalator floor plate is pressed on the touch head from the track, and the touch head is pressed on the contact switch downwards and enables the contact switch to be closed to form a closed loop.

2. A protection system for an escalator floor panel opening escalator stop operation as claimed in claim 1, wherein: the adjusting component comprises a first support rod and a second support rod which are arranged on the bottom frame in a sliding mode from the lower end portion, a pivot used for enabling the upper end portions of the first support rod and the second support rod to be connected with the touch head in a rotating mode, and an elastic component which is arranged on the bottom frame to keep the lower end portions of the first support rod and the second support rod to move relatively close to each other.

3. A protection system for an escalator floor panel opening escalator stop operation as claimed in claim 2, wherein: the elastic part comprises a left elastic unit and a right elastic unit which are correspondingly arranged on the left side and the right side of the contact switch, wherein the left elastic unit comprises a left elastic piece and a left connecting rod, the left end part of the left elastic piece is arranged on the underframe and extends horizontally, and the right end part of the left elastic piece is connected with the lower end part of the first support rod; the right elastic unit comprises a right elastic piece and a right connecting rod, wherein the right end portion of the right elastic piece is arranged on the bottom frame and extends horizontally, the right connecting rod is used for connecting the left end portion of the right elastic piece with the lower end portion of the second support rod, and the elastic force provided by the left elastic piece is equal to the elastic force provided by the right elastic piece.

4. A protection system for an escalator floor panel opening escalator stop operation as claimed in claim 3, wherein: the left elastic piece and the right elastic piece have the same structure and are both springs.

5. A protection system for an escalator floor panel opening escalator stop operation as claimed in claim 3, wherein: the lower end parts of the first stay bar and the second stay bar are respectively provided with a first roller and a second roller, and the left connecting rod and the right connecting rod are respectively connected with the two ends of the wheel shaft of the first roller and the second roller through U-shaped joints.

6. A protection system for an escalator floor plate opening escalator stop operation according to claim 5, characterized in that: the bottom frame comprises a horizontally extending supporting plate and sealing plates arranged at two end parts of the supporting plate, the first roller and the second roller roll on the supporting plate, and the left elastic piece and the right elastic piece are respectively and correspondingly fixed on the sealing plates.

7. A protection system for an escalator floor panel opening escalator stop operation according to claim 6, characterized in that: the supporting plate is provided with a sliding groove matched with the first roller and the second roller.

8. A protection system for an escalator floor panel opening escalator stop operation as claimed in claim 2, wherein: the first support rod and the second support rod are equal in length, and the touch head is arranged on the pivot.

9. A protection system for an escalator floor panel opening escalator stop operation as claimed in claim 8, wherein: the touch head is in a roller shape and is arranged on the pivot shaft in a rotating way around the axis of the pivot shaft.

10. A protection system for an escalator floor panel opening escalator stop operation as claimed in claim 9, wherein: and a track groove with a downward opening and matched with the touch head is formed on the track.

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