CN217236753U - Subway clearance measuring device - Google Patents

Abstract

The utility model discloses a subway limit measuring device, which comprises a frame body, wherein the frame body is provided with a first guide rail in the horizontal direction and a connecting mechanism, and the connecting mechanism comprises a cross rod and a vertical rod; wherein the side surface of the vertical rod is vertically and slidably connected with a measuring vertical rod; the cross bar is parallel to the first guide rail, and the bottom of the cross bar is connected with the first guide rail in a sliding manner; the side wall of the cross rod is horizontally connected with a displacement sensor in a sliding manner; and the frame body is also provided with a digital display instrument for displaying the measurement value of the displacement sensor. The utility model discloses but well horizontal displacement's measurement pole setting is applicable to the boundary measurement scene of different width, can realize measuring the continuous measurement of face through promoting the support body to numerical value through the digital display appearance changes and directly acquires and record and invades the boundary position, has simplified boundary measurement step, realizes light, quick, continuous, stable boundary measurement work. The measurement vertical rod can move up and down, and is suitable for measuring the clearance of the subway station table surfaces with different heights.

Description

Subway clearance measuring device

Technical Field

The utility model relates to a subway track construction field specifically is a subway limit measuring device.

Background

The limit is the space size required when the train safely travels along a fixed track, and the limit is divided into a vehicle limit, an equipment limit, a building limit, a pantograph limit and the like. The greater the clearance, the higher the degree of safety, but the amount of work and the work investment increase. Therefore, reasonable limit determination needs to consider both the safety operation of the train and the system construction cost.

In the subway clearance measurement work, the traditional measurement method has two types, the first type is to measure by means of railway vehicle installation clearance measurement equipment, but the railway vehicle is large in size and heavy in weight, is suitable for clearance detection work of the whole line, and is too heavy when the clearance measurement and rechecking work of a single station and a single interval are faced. The second measurement method is to use a laser range finder of a contact network for measurement, the measurement mode of the laser range finder is point-to-point measurement, continuity is not provided, and when the limit of the whole platform plane is measured, comprehensive coverage cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway boundary limit measuring device to solve the problem that proposes in the above-mentioned background art, utilize the support body that can follow subway rail motion, cooperate mobilizable measuring component (measure pole setting, displacement sensor), realize promoting the support body on one side and reading boundary limit measured data, can satisfy the measuring continuity, accomplished convenient construction again.

In order to achieve the above object, the utility model provides a following technical scheme:

a subway clearance measuring device comprises a frame body, wherein a first guide rail in the horizontal direction is arranged on the frame body, and the subway clearance measuring device also comprises a connecting mechanism, wherein the connecting mechanism comprises a cross rod and a vertical rod; wherein the side surface of the vertical rod is vertically and slidably connected with a measuring vertical rod; the cross bar is parallel to the first guide rail, and the bottom of the cross bar is connected with the first guide rail in a sliding manner; the side wall of the cross rod is horizontally connected with a displacement sensor in a sliding manner; and the frame body is also provided with a digital display instrument for displaying the measurement value of the displacement sensor.

As a further aspect of the present invention: an L-shaped bent rod is arranged between the measuring vertical rod and the vertical rod and comprises a horizontal section and a vertical section; the vertical section is connected with the vertical rod in a vertical sliding mode, and the extending end of the horizontal section is detachably connected with the measuring vertical rod.

As a further aspect of the present invention: the connecting mechanism further comprises an inclined rod connected to the end parts of the cross rod and the vertical rod.

As a further aspect of the present invention: also comprises a roller connected to the bottom of the frame body.

As a further aspect of the present invention: the periphery of the roller is provided with an annular groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses but well horizontal displacement's measurement pole setting is applicable to the boundary measurement scene of different width, can realize measuring the continuous measurement of face through promoting the support body to numerical value through the digital display appearance changes and directly acquires and record and invades the boundary position, has simplified boundary measurement step, realizes light, quick, continuous, stable boundary measurement work. The measuring vertical rod can move up and down and is suitable for limit measurement of subway station table tops of different heights.

The roller with the annular groove is installed at the bottom of the frame body, so that the device can be just clamped on a subway rail, the displacement sensor is helped to keep a horizontal state in moving, and the accuracy of measured data is improved.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the present invention;

in the figure: the device comprises a frame body 1, a first guide rail 2, a connecting mechanism 3, a cross bar 31, a vertical bar 32, a second guide rail 321, an inclined bar 33, a measuring vertical bar 4, a displacement sensor 5, a digital display 6, a roller 7, an annular groove 71, an L-shaped bent bar 8, a horizontal section 81 and a vertical section 82.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, in an embodiment of the present invention, a subway clearance measuring device includes a frame body 1, a first guide rail 2 in a horizontal direction is disposed on the frame body 1, and further includes a connecting mechanism 3, where the connecting mechanism 3 is a right-angled triangular structure, and includes a cross bar 31, a vertical bar 32, and an oblique bar 33, which are sequentially connected end to end; wherein, the vertical rod 32 is provided with a second guide rail 321 along the length direction thereof, the second guide rail 321 is connected with an L-shaped bent rod 8 in a sliding manner, the vertical section 82 of the L-shaped bent rod 8 is connected with the second guide rail 321 in a sliding manner, and the horizontal section 81 of the L-shaped bent rod 8 extends horizontally and is detachably connected with the measuring vertical rod 4. When the limit is measured, the measuring upright rod 4 is abutted against the measuring surface, and when the frame body 1 is pushed, the measuring upright rod 4 moves along the measuring surface; the cross bar 31 is parallel to the first guide rail 2, and the bottom of the cross bar 31 is connected with the first guide rail 2 in a sliding way; the side wall of the cross rod 31 is provided with a displacement sensor 5; and the frame body 1 is also provided with a digital display instrument 6 for displaying the measured value of the displacement sensor 5. The cross rod 31 can slide back and forth in the first guide rail 2 in a limited way to drive the measuring vertical rod 4 to move horizontally and freely; the L-shaped bent rod 8 slides up and down in the second guide rail in a limited way to drive the measuring vertical rod 4 to move longitudinally.

Further, for the convenience of the quick movement of the frame body 1, four rollers 7 are arranged at the bottom of the frame body 1, an annular groove 71 is formed in the periphery of each roller 7, so that each roller 7 can be just clamped on a subway rail, and the measuring assembly can rapidly, stably and continuously obtain the limit value of the measuring surface.

The utility model discloses before the use, put support body 1 on the subway track of measuring the measuring platform, adjusted the relative position of L shape knee 8 and montant 32, confirm that the measurement height no longer changes. The sliding cross bar 31 extends the measuring upright 4 to a standard position, which is a position where the distance from the measuring upright 4 to the middle point of the frame body 1 (i.e. the middle point of the track) is equal to a design limit value, measured by a measuring tape or other distance measuring instrument. Then, the digital display 6 is reset to zero to complete the preparatory adjustment.

During formal measurement, the cross rod 31 is slid to enable the measurement vertical rod 4 to abut against the measurement surface; the frame body 1 is pushed to move along the subway track, the measuring upright rods 4 are tightly scratched on a measuring surface, the numerical value of the digital display instrument 6 is observed, for example, if the numerical value is larger than-5 mm, the limitation meets the requirement, and if the numerical value is smaller than or equal to-5 mm, the limitation is invaded. And the position of the invasion boundary should be marked in time, so that the subsequent rectification is convenient.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (5)

1. A subway clearance measuring device comprises a frame body, wherein a first guide rail in the horizontal direction is arranged on the frame body, and the subway clearance measuring device is characterized by further comprising a connecting mechanism, wherein the connecting mechanism comprises a cross rod and a vertical rod; wherein the side surface of the vertical rod is vertically and slidably connected with a measuring vertical rod; the cross bar is parallel to the first guide rail, and the bottom of the cross bar is connected with the first guide rail in a sliding manner; the side wall of the cross rod is horizontally connected with a displacement sensor in a sliding manner; and the frame body is also provided with a digital display instrument for displaying the measurement value of the displacement sensor.

2. The subway clearance measuring device as claimed in claim 1, wherein an L-shaped bent rod is arranged between said vertical measuring rod and said vertical rod, said L-shaped bent rod comprises a horizontal section and a vertical section; the vertical section is connected with the vertical rod in a vertical sliding mode, and the extending end of the horizontal section is detachably connected with the measuring vertical rod.

3. A subway gauge measuring device as claimed in claim 1, wherein said connecting means further comprises a diagonal bar connected to the ends of the cross bar and the vertical bar.

4. A subway gauge measuring apparatus as claimed in claim 1, further comprising rollers attached to the bottom of said frame.

5. A subway gauge measuring device as claimed in claim 4, wherein said rollers have an annular groove formed in the periphery thereof.

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