CN219223558U

CN219223558U - Measuring device for distance between fixed guardrail at entrance and exit of escalator and handrail belt

Info

Publication number: CN219223558U
Application number: CN202320185784.4U
Authority: CN
Inventors: 任昭霖
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-20
Anticipated expiration: 2033-02-08

Abstract

The utility model provides a measuring device for the distance between a fixed guardrail at an entrance of an escalator and a handrail, which comprises: a main ruler, a connecting rod and an auxiliary ruler; the main scale is connected with the auxiliary scale through the connecting rod, the connecting rod is in sliding connection with the main scale, and the auxiliary scale is in sliding connection with the connecting rod. The utility model can accurately measure three dimensions of the distance A of the guardrail from the outer edge of the handrail belt, the distance B higher than the handrail belt and the distance C from the wall guard plate at one time, thereby improving the efficiency.

Description

Measuring device for distance between fixed guardrail at entrance and exit of escalator and handrail belt

Technical Field

The utility model relates to the technical field of escalator, in particular to a measuring device for the distance between a fixed guardrail at an entrance and an exit of an escalator and a handrail.

Background

The entrance and the exit of the escalator have the falling risk, accidents often occur, the accidents that children fall from the entrance and the exit at the upper part of the escalator are most common, and the falling accidents caused by other passengers contacting and leaning against the handrail belt in the movement also occur. An important reason for causing such accidents is that the fixed guardrails of the entrance and the exit of the escalator are not provided with standard, the distance from the handrail of the escalator exceeds the requirements specified by the standard, and passengers, especially children without parental supervision, are easy to fall from the gap between the guardrails and the escalator; another important cause of such accidents is that the height of the railing is too low and passengers can fall as the downwardly moving handrail falls down when they contact and lean against the handrail.

In order to reduce the risk of falling at the entrance to the escalator, the fixed guard rail needs to be at least increased to 100mm above the handrail belt and between 80mm and 120mm outside the handrail belt, the maximum distance from the guard wall plate not being greater than 120mm. The distances need to be measured and confirmed both when the escalator constructor is installed and when the inspector is inspecting and detecting. However, because the measuring tool is single, and the fixed guard rail is at least increased to be higher than the distance of the handrail belt, the measurement is difficult to directly measure, the measurement precision is low, and even a plurality of people directly observe and confirm with naked eyes due to complicated measurement steps, so that the potential safety hazard is high.

Disclosure of Invention

Aiming at the problems of complicated distance measurement steps, low measurement precision and the like between the fixed guardrail of the escalator entrance and the escalator, the device capable of accurately measuring the distance of the guardrail from the outer edge of the handrail, the distance higher than the handrail and the distance from the wall protection plate simultaneously is provided.

The utility model provides a measuring device for the distance between a fixed guardrail at an entrance of an escalator and a handrail, which comprises: a main ruler, a connecting rod and an auxiliary ruler; the main scale is connected with the auxiliary scale through the connecting rod, the connecting rod is in sliding connection with the main scale, and the auxiliary scale is in sliding connection with the connecting rod.

Further, the main scale is T-shaped, the long side of the main scale is horizontally placed, the short side of the main scale is vertically placed, and scales are arranged on the long side and the short side of the main scale.

Further, the scale is accurate to millimeter.

Further, the connecting rod comprises a first connecting rod and a second connecting rod which are connected with each other, the first connecting rod is in sliding connection with the main scale, and the second connecting rod is in sliding connection with the auxiliary scale.

Further, a limiting groove is formed in the bottom of the main ruler and used for installing the first connecting rod, and the cross section of the limiting groove is in a step shape.

Further, the cross-sectional area of the first link is greater than the cross-sectional area of the second link.

Further, one end of the auxiliary ruler is provided with a limiting clamping plate.

Further, the long side of the main scale is connected with the first cursor in a sliding manner, and the short side of the main scale is connected with the second cursor in a sliding manner.

Further, the auxiliary ruler is connected with a third cursor in a sliding manner.

Further, the connecting rod is fixed with the main ruler through a first positioning bolt, and the connecting rod is fixed with the auxiliary ruler through a second positioning bolt.

Compared with the prior art, the utility model has the beneficial effects that: the three dimensions of the distance A of the guardrail from the outer edge of the handrail belt, the distance B higher than the handrail belt and the distance C from the wall guard plate can be accurately measured at one time, so that the efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a measuring device for the distance between a fixed guardrail at an entrance of an escalator and a handrail belt;

fig. 2 is a schematic view of the distance between the fixed guardrail and the handrail at the entrance of the escalator;

fig. 3 is a schematic view of the measuring device for the distance between the fixed guardrail at the entrance of the escalator and the handrail in the measuring state.

Reference numerals illustrate:

1: a main scale; 2: a connecting rod; 3: a secondary ruler; 4: a first cursor; 5: a second cursor; 6: a third cursor; 7: a first positioning bolt; 8: a second positioning bolt; 9: a handrail belt; 10: escalator dado board; 11: fixed guard rail for entrance and exit of escalator.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, 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 of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 2, the distance of the guard rail from the outer edge of the handrail 9 is a, the distance of the fixed guard rail 11 at the entrance of the escalator is B, and the distance of the fixed guard rail 11 at the entrance of the escalator is C from the wall plate 10 of the escalator.

In the prior art, when the distance B between the fixed guardrail 11 of the entrance and the handrail 9 is measured by using a tape measure or a steel ruler, the fixed guardrail 11 of the entrance and the handrail 9 cannot be directly measured without being in the vertical direction of the handrail 9, so that the fixed guardrail 11 of the entrance and the handrail 11 needs to be marked with the same height as the handrail 9, and then the distance between the fixed guardrail 11 of the entrance and the handrail is measured. The measuring steps are complicated, and the positions of the marks are not easy to find accurately, so that the measuring precision is low.

In addition, various tools such as a tape measure and a marker are required, and a plurality of operations are performed to complete the distance measurement of A, B, C.

As shown in fig. 1 to 3, the present utility model provides a device for measuring a distance between a fixed guardrail and a handrail belt at an entrance of an escalator, comprising: a main scale 1, a connecting rod 2 and a secondary scale 3. The main scale 1 is connected with the auxiliary scale 3 through the connecting rod 2, the connecting rod 2 is in sliding connection with the main scale 1, and the auxiliary scale 3 is in sliding connection with the connecting rod 2. The main scale 1 is T-shaped, the long side of the main scale 1 is horizontally placed, the short side of the main scale 1 is vertically placed, scales are arranged on the long side and the short side of the main scale 1, and the scales are accurate to millimeters. As shown in fig. 1, the edge line a of the long side of the main scale 1 serves as the starting point of the 0 scale in the vertical direction, and the edge line b of the short side of the main scale 1 serves as the starting point of the 0 scale in the horizontal direction. The auxiliary ruler 3 is used for measuring the distance between the fixed guardrail 11 at the entrance of the escalator and the escalator baseboard 10, and the auxiliary ruler 3 penetrates through the connecting rod 2 and can slide left and right on the connecting rod 2. The right end part of the auxiliary ruler 3 is attached to the escalator dado board 10, scales are marked on the horizontal direction of the auxiliary ruler 3, and the line c at the right end part is used as the starting point of 0 scale.

In some preferred embodiments, the connecting rod 2 comprises a first connecting rod and a second connecting rod connected to each other, the first connecting rod being slidingly connected to the main scale 1 and the second connecting rod being slidingly connected to the auxiliary scale 3. The cross section area of the first connecting rod is larger than that of the second connecting rod, and the first connecting rod is sleeved outside the second connecting rod. One end of the auxiliary ruler 3 is provided with a limiting clamping plate for preventing the auxiliary ruler 3 from completely sliding out of the connecting rod 2. The connecting rod 2 makes the utility model suitable for measuring the distance C between the fixed guard rail 11 of the entrance of the staircase and the wall guard plate 10 of the staircase at different heights.

In some preferred embodiments, the bottom of the main scale 1 is provided with a limit groove for preventing the connecting rod 2 from sliding completely out of the main scale 1. The limiting groove is used for installing the first connecting rod, and the cross section of the limiting groove is in a step shape.

In some preferred embodiments, the long side of the main scale 1 is slidingly connected to the first cursor 4 and the short side of the main scale 1 is slidingly connected to the second cursor 5. The auxiliary ruler 3 is connected with a third cursor 6 in a sliding way. The connecting rod 2 is fixed with the main scale 1 through a first positioning bolt 7, and the connecting rod 2 is fixed with the auxiliary scale 3 through a second positioning bolt 8.

During measurement, the first cursor 4, the second cursor 5 and the third cursor 6 are manually slid to be attached to the corresponding side line of the fixed guardrail 11 at the entrance of the escalator, and the scale value corresponding to the cursor is the measured value of the corresponding distance. After the connecting rod 2 and the auxiliary ruler 3 stretch out and draw back to suitable positions, the first positioning bolt 7 and the second positioning bolt 8 are used for fixing the connecting rod and the auxiliary ruler respectively, and the fact that the connecting rod and the auxiliary ruler cannot slide again in the measuring process is ensured.

As shown in fig. 3, the working principle of the utility model is as follows: when in field measurement, the main scale 1 is attached to the fixed guardrail 11 at the entrance of the escalator, the a side of the main scale 1 is attached to the upper part of the handrail belt 9 at the horizontal section of the entrance of the escalator, the b side of the main scale 1 is attached to the outermost side (line contact) of the arc of the handrail belt 9, the first cursor 4 is slid to be attached to the outer edge of the right end part of the fixed guardrail at the side of the handrail belt 9, and the numerical value of the horizontal scale on the main scale 1 corresponding to the first cursor 4 is read, namely the distance A from the fixed guardrail 11 at the entrance of the escalator to the outer edge of the handrail belt 9. The second cursor 5 is slid to be attached to the outer edge of the upper part of the fixed guardrail 11 of the entrance and the exit of the escalator, and the numerical value of the vertical scale on the main scale 1 corresponding to the second cursor 5 is read, namely, the distance B of the fixed guardrail 11 of the entrance and the exit of the escalator higher than the handrail belt 9. According to the difference of the guardrail height at the side of the escalator dado board 10, the telescopic connecting rod 2 is adjusted to a proper position and fixed by the first positioning bolt 7, the rightmost edge C of the sliding auxiliary ruler 3 is attached to the escalator dado board 10 and fixed by the second positioning bolt 8, the third cursor 6 is slid to be attached to the outer edge of the right end part of the guardrail at the side of the escalator dado board 10, and the numerical value of the horizontal scale on the auxiliary ruler 3 corresponding to the third cursor 6 is read, namely the distance C of the guardrail leaving the escalator dado board 10.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a measuring device of automatic staircase access & exit fixed guardrail and handrail area distance which characterized in that includes: a main ruler (1), a connecting rod (2) and a secondary ruler (3); the main scale (1) is connected with the auxiliary scale (3) through the connecting rod (2), the connecting rod (2) is in sliding connection with the main scale (1), and the auxiliary scale (3) is in sliding connection with the connecting rod (2).

2. The device for measuring the distance between the fixed guardrail at the entrance and the exit of the escalator and the handrail belt according to claim 1, wherein the main scale (1) is in a T shape, the long side of the main scale (1) is horizontally placed, the short side of the main scale (1) is vertically placed, and scales are arranged on the long side and the short side of the main scale (1).

3. The escalator doorway fixed rail distance measuring apparatus of claim 2, wherein the graduations are accurate to millimeter.

4. The device for measuring the distance between the fixed guardrail of the entrance and the handrail of the escalator according to claim 1, characterized in that said connecting rod (2) comprises a first connecting rod and a second connecting rod connected with each other, said first connecting rod being slidingly connected with said main scale (1), said second connecting rod being slidingly connected with said auxiliary scale (3).

5. The device for measuring the distance between the fixed guardrail at the entrance and the handrail of the escalator according to claim 4, wherein a limiting groove is formed at the bottom of the main ruler (1), the limiting groove is used for installing the first connecting rod, and the cross section of the limiting groove is in a step shape.

6. The escalator doorway fixed rail distance measurement device of claim 4, wherein the cross-sectional area of the first link is greater than the cross-sectional area of the second link.

7. The device for measuring the distance between the fixed guardrail of the entrance and the handrail of the escalator according to claim 1, wherein one end of the auxiliary ruler (3) is provided with a limiting clamping plate.

8. The device for measuring the distance between the fixed guardrail of the entrance and the handrail of the escalator according to claim 2, wherein the long side of the main scale (1) is slidably connected with the first cursor (4), and the short side of the main scale (1) is slidably connected with the second cursor (5).

9. The device for measuring the distance between the fixed guardrail of the entrance and the handrail of the escalator according to claim 8, wherein the auxiliary ruler (3) is connected with a third cursor (6) in a sliding manner.

10. The device for measuring the distance between the fixed guardrail of the entrance and the handrail of the escalator according to claim 1, wherein the connecting rod (2) and the main ruler (1) are fixed through a first positioning bolt (7), and the connecting rod (2) and the auxiliary ruler (3) are fixed through a second positioning bolt (8).