CN218097580U - Gap measurer - Google Patents

Abstract

The utility model provides a clearance measurer, which is used for measuring the clearance distance at the gap of a point switch and comprises a positioning base block, a measuring needle, a sensor and a display module, wherein the positioning base block is provided with an avoiding through hole, the measuring needle passes through the avoiding through hole and is provided with a measuring end, and the measuring end is used for extending into the gap; the sensor is connected with the measuring needle and used for acquiring the rotation angle information of the measuring needle in real time; the display module assembly sets up on location base block, and the display module assembly and sensor signal connection, display module assembly have signal conversion circuit board, and signal conversion circuit board is used for turning into the clearance distance with the turned angle information to show through the display screen of display module assembly. The utility model provides a caliber calibrated scale zero setting among the prior art loaded down with trivial details, there is great measuring error's problem.

Description

Gap measurer

Technical Field

The utility model relates to a measuring equipment technical field particularly, relates to a clearance caliber.

Background

The railway completes the task of switch by an electric switch machine, after each action of the electric switch machine, whether the action of the electric switch machine is in place or not needs to be judged by checking the gap at the notch of a block by an indication rod of the electric switch machine, and the railway signal maintenance rule stipulates that: the gap range of two side wall surfaces in the gap is 1.5 +/-0.5 mm, which indicates that the electric switch machine is in place, if the gap range at the gap exceeds the range, the electric switch machine needs to be adjusted in time, although most of the current railways use an intelligent turnout gap monitoring system, the turnout gap can be measured in real time, and after field maintenance, the on-site standard adjustment needs to be carried out on the turnout gap after the current maintenance.

Among the prior art, the clearance caliber has the measuring needle of slice syringe needle, be fixed with the pointer on the measuring needle, pointer department correspondence is provided with the calibrated scale, during the use, need adjust the pointer to zero scale department in advance, rotate the measuring needle again, make two measuring arms of slice syringe needle department and two lateral wall face contacts of breach, the pointer has an contained angle rather than zero scale this moment, the clearance distance of breach department is converted into through reading out the numerical value on the calibrated scale, but the calibrated scale zero set is more loaded down with trivial details, and this kind of mode measurement accuracy is lower moreover, there is certain error.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a clearance caliber to it is loaded down with trivial details to solve the caliber calibrated scale zero setting among the prior art, has great measuring error's problem.

In order to achieve the above object, according to an aspect of the present invention, there is provided a gap measurer for measuring a gap distance at a gap of a switch machine, the gap measurer comprising a positioning base block, a measuring needle, a sensor and a display module, wherein the positioning base block has an avoiding through hole, the measuring needle passes through the avoiding through hole, and the measuring needle has a measuring end for extending into the gap; the sensor is connected with the measuring needle and used for acquiring the rotation angle information of the measuring needle in real time; the display module assembly sets up on location base block, and the display module assembly and sensor signal connection, display module assembly have signal conversion circuit board, and signal conversion circuit board is used for turning into the clearance distance with the turned angle information to show through the display screen of display module assembly.

Further, the sensor is firmly connected with the measuring needle.

Furthermore, the display module comprises a shell, the shell is arranged on the positioning base block, the shell is provided with an accommodating cavity, a signal conversion circuit board is arranged in the accommodating cavity, and the signal conversion circuit board is in signal connection with the sensor; the display screen is arranged on the shell and positioned on the surface of one side, far away from the positioning base block, of the shell, and the display screen is electrically connected with the signal conversion circuit board.

Further, the display module assembly still includes power module, and power module sets up and holds the intracavity to be connected with signal conversion circuit board electricity.

Furthermore, the display module assembly further comprises an on-off switch, the on-off switch is arranged on the shell, and the on-off switch is used for controlling the on-off of the power supply module and the signal conversion circuit board.

Further, the on-off switch and the display screen are located on the same side surface of the housing.

Furthermore, a through hole is formed in the position, opposite to the avoiding through hole, of the display module, and the measuring end of the measuring needle sequentially penetrates through the through hole and the avoiding through hole.

Further, the cross section of the positioning base block is T-shaped.

Furthermore, the clearance measurer also comprises an operation knob, the operation knob is in driving connection with one end, far away from the measuring end, of the measuring needle, and the operation knob is operated to drive the measuring needle to rotate.

Further, the measuring needle comprises a needle body and a measuring structure, wherein the needle body is cylindrical; the measuring structure is connected with one end of the needle body to form a measuring end, and the measuring structure is of a sheet structure.

Use the technical scheme of the utility model, through setting the clearance caliber to including the location base block, the measuring needle, the structural style of sensor and display module assembly, thus, carry out the measuring in-process to the breach department of goat at the clearance caliber that provides through this application, the measuring terminal of connecting the measuring needle stretches into breach department and rotates and predetermines the angle, until the internal face contact of measuring terminal and breach department, at the measuring needle pivoted in-process, the sensor can acquire the turned angle information of measuring needle in real time, and give display module assembly with the turned angle signal transmission who acquires, display module assembly turns into turned angle information into clearance distance through the signal conversion circuit board according to the turned angle information that acquires, and display screen through display module assembly shows, the measured value digital display of clearance distance has been realized, so that the staff directly reads clearance distance's measured value, convenient operation is swift and convenient observation, staff's work efficiency and the measuring degree of accuracy are improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a gap measurer according to an alternative embodiment of the present invention;

FIG. 2 is a schematic signal transmission diagram of a display module of the gap measuring device of FIG. 1;

fig. 3 is a schematic diagram illustrating that a power supply module of the display module of the gap measurer in fig. 1 is electrically connected to a signal conversion circuit board through on-off switch control, and in the diagram, power management is further illustrated to control the voltage difference.

Wherein the figures include the following reference numerals:

10. positioning a base block;

20. a measuring tip; 21. a needle body; 22. a measurement structure;

30. a sensor;

40. a display module; 41. a housing; 42. a display screen; 43. a power supply module; 44. an on-off switch;

50. the knob is operated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the caliber dial zero setting among the prior art loaded down with trivial details, there is great measuring error's problem, the utility model provides a clearance caliber.

The gap measurer is used to measure the gap distance at the notch of the switch machine, so as to ensure that a worker can judge whether the switch machine is in place when switching the position of the turnout according to the gap distance, and the gap measurer is described in detail below.

As shown in fig. 1, the gap measurer includes a positioning base block 10, a measurement needle 20, a sensor 30 and a display module 40, the positioning base block 10 has an avoiding through hole, the measurement needle 20 passes through the avoiding through hole, and the measurement needle 20 has a measurement end, and the measurement end is used for extending into the gap; the sensor 30 is connected with the measurement probe 20 and used for acquiring the rotation angle information of the measurement probe 20 in real time; display module assembly 40 sets up on location base block 10, display module assembly 40 and sensor 30 signal connection, and display module assembly 40 has the signal conversion circuit board, and the signal conversion circuit board is used for turning into the clearance distance with the turned angle information to show through display module assembly 40's display screen 42.

Use the technical scheme of the utility model, through setting the clearance caliber into including location base block 10, measurement needle 20, sensor 30 and display module 40's structural style, thus, in the in-process of carrying out the measurement to the breach department of goat at the clearance caliber that provides through this application, the measurement end of connecting measurement needle 20 stretches into breach department and rotates and predetermines the angle, until the internal face contact of measurement end and breach department, at measurement needle 20 pivoted in-process, sensor 30 can acquire the turned angle information of measurement needle 20 in real time, and give display module 40 with the turned angle signal transmission who acquires, display module 40 passes through signal conversion circuit board according to the turned angle information who acquires and turns into the clearance distance with the turned angle information, and show through display screen 42 of display module 40, the measured value digital display of clearance distance has been realized, so that the staff directly reads the measured value of clearance distance, convenient operation is swift and observe conveniently, staff's work efficiency and measuring degree of accuracy are improved.

As shown in fig. 1, the sensor 30 is firmly connected to the measurement tip 20. In this way, it is ensured that there is no relative movement between the sensor 30 and the measurement tip 20, the sensor 30 rotates with the rotation of the measurement tip 20, and it is ensured that the sensor 30 can acquire the rotation angle information of the measurement tip 20 in real time and the accuracy of the acquired rotation angle information.

As shown in fig. 1, the display module 40 includes a housing 41, the housing 41 is disposed on the positioning base block 10, the housing 41 has a receiving cavity, a signal conversion circuit board is disposed in the receiving cavity, and the signal conversion circuit board is in signal connection with the sensor 30; the display screen 42 is disposed on the housing 41 and located on the surface of the housing 41 far from the positioning base block 10, the display screen 42 is electrically connected to the signal conversion circuit board, and the display screen 42 is used for displaying the converted gap distance of the signal conversion circuit board. Like this, set up the signal conversion circuit board in the intracavity that holds of casing 41, play the guard action to the signal conversion circuit board, ensure the regularity of clearance caliber simultaneously, display screen 42 is connected with the signal conversion circuit board electricity, the signal conversion circuit board is connected with sensor 30 signal, the signal conversion circuit board will come from sensor 30 conversion back, direct demonstration on display screen 42 ensures that the staff can directly read the clearance distance through display screen 42, and the work efficiency is improved, and the measuring result is also more accurate.

It should be noted that the sensor 30 is a capacitive grating sensor, and the sensor 30 includes a fixed grating and a movable grating, wherein the fixed grating is disposed on the positioning base block 10, and is connected to the signal conversion circuit board through a via hole of the positioning base block 10, the movable grating is fastened to the measurement probe 20, the fixed grating is connected to the movable grating through a signal, during the measurement, the movable grating rotates along with the rotation of the measurement probe 20, and the fixed grating is connected to the movable grating through a signal, so that the fixed grating can acquire the rotation angle information of the measurement probe 20 in real time, and transmit the rotation angle information to the signal conversion circuit board in time, and the signal conversion circuit board converts the rotation angle information into the gap distance at the gap, and displays the measurement value of the gap distance on the display screen 42.

Preferably, the display screen 42 is an OLED display screen.

It should be noted that, as shown in fig. 2, the signal conversion circuit board includes a sensor signal measurement circuit, a microcontroller, and a display driving circuit.

As shown in fig. 1, the display module 40 further includes a power supply module 43, and the power supply module 43 is disposed in the accommodating cavity and electrically connected to the signal conversion circuit board. Thus, the power supply module 43 is disposed in the accommodating cavity, so as to protect the power supply module 43, and the power supply module 43 provides electric energy for the connection between the display module 40 and the sensor 30.

Preferably, the power supply module 43 selects the CR1616 battery.

As shown in fig. 1, the display module 40 further includes an on-off switch 44, the on-off switch 44 is disposed on the housing 41, and the on-off switch 44 is used for controlling on-off of the power supply module 43 and the signal conversion circuit board. Thus, the on-off switch 44 is disposed on the housing 41, and when the measuring device is used, the on-off switch 44 is turned on to supply power to the circuit, and when the measuring device is used or not used, the on-off switch 44 is turned off to save electric energy.

As shown in fig. 1, the on-off switch 44 and the display screen 42 are located on the same side surface of the housing 41. Thus, the reading of the worker is facilitated, and the worker can operate the on-off switch 44 conveniently.

It should be noted that, in the present application, the on-off switch 44 and the display screen 42 are located on the same side of the display module 40 away from the positioning base block 10. In this way, the operator can read the measurement of the gap distance directly through the display screen 42 while operating the on/off switch 44.

In the present application, the OLED display panel and the electronic device can be used under all weather conditions such as low temperature and high temperature.

As shown in fig. 2, in the measurement process, an excitation signal is required for signal measurement of the capacitive gate sensor, the microcontroller controls the signal measurement circuit to generate an excitation signal to charge and discharge the capacitive gate sensor, and then the signal measurement circuit calculates a capacitance value according to a signal feedback acquisition value, so that the capacitive gate sensor, the signal measurement circuit and the microcontroller are in a bidirectional transmission relationship, and the microcontroller controls display driving, thereby controlling the OLED screen to perform display operation, ensuring that the OLED screen can perform real-time display, and realizing digital display.

As shown in fig. 3, the power supply module 43 is a CR1616 battery, and the on-off switch 44 can control on/off of the CR1616 battery and the signal conversion circuit board, specifically, when the on-off switch 44 is activated, the power supply module 43 is electrically connected with the signal conversion circuit board and supplies power to the signal conversion circuit board, and when the power supply module 43 is not required to be electrically connected with the signal conversion circuit board, only the on-off switch 44 needs to be turned off, and further, when voltages required by the signal measurement circuit are different, regulation and control of corresponding voltages can be realized through power management (for example, a transformer is additionally arranged), so that measurement reliability of the gap measurer is ensured.

As shown in fig. 1, a through hole is formed at a position of the display module 40 opposite to the avoiding through hole, and the measuring end of the measuring needle 20 sequentially passes through the through hole and the avoiding through hole. Like this, location base block 10 has the dodge through-hole, and display module assembly 40 has the perforating hole, and the measuring end of measuring needle 20 passes the perforating hole in proper order and dodges the through-hole, and location base block 10 provides mounted position and supporting role for display module assembly 40 simultaneously, prevents that display module assembly 40 and location base block 10 from leading to measuring needle 20 because of taking place relative movement and appearing the slope phenomenon.

The positioning base block 10 has a T-shaped cross section. Like this, the display module assembly 40 needs to be born to the part that location base block 10 and display module assembly 40 are connected, needs great area, and horizontal cross sectional area is great, and the part that location base block 10 and measurement needle 20 are connected mainly is used for fixed measurement needle 20, and horizontal cross sectional area is less, and the cross section setting of location base block 10 is the T type, can play material saving's effect.

It should be noted that, in the measurement process, because the cross section of the positioning base block 10 is perpendicular to the axial direction of the measurement tip 20, the positioning base block 10 can perform the positioning function, so as to ensure that the measurement tip 20 can always extend in the vertical direction, and avoid the measurement tip 20 from shaking or tilting during the measurement process.

As shown in fig. 1, the gap measurer further includes an operation knob 50, the operation knob 50 is connected to the end of the measurement pin 20 away from the measurement end, and the operation knob 50 is operated to drive the measurement pin 20 to rotate. Like this, set up operation knob 50 in the one end of measuring needle 20 keeping away from the measuring end, directly can drive measuring needle 20 rotatory through operation knob 50 is rotatory, makes the operation more simple laborsaving, has solved because of measuring needle 20 is too thin and leads to the inconvenient problem of operation.

As shown in fig. 1, the measurement tip 20 includes a tip body 21 and a measurement structure 22, wherein the tip body 21 has a cylindrical shape; the measuring structure 22 is connected with one end of the needle body 21 to form a measuring end, and the measuring structure 22 is a sheet-like structure. Like this, needle body 21 is cylindricly, and is connected with sensor 30, is convenient for acquire the turned angle information of measuring needle 20 in real time at rotatory in-process, and measurement structure 22 is the lamellar structure to stretch into breach department and measure.

Alternatively, the measuring structure 22 is connected to the needle body 21 by welding or snapping.

Further, the first end of the measurement structure 22 is connected with one end of the needle body 21, and the second end of the measurement structure 22 is a tip end, so as to provide a guiding function for the needle body 21, wherein the measurement structure 22 has two measurement arms disposed oppositely, and the two measurement arms are both located between the first end and the second end of the measurement structure 22, so that when the measurement needle 20 rotates, the two measurement arms are respectively in contact with the inner wall surface at the notch.

The gap measuring device is specifically operated as follows:

when carrying out the measurement operation, stretch into the breach with measurement structure 22, open on-off switch 44, through rotating operation knob 50, so that measurement needle 20 is rotatory, measurement needle 20 pivoted in-process measurement structure 22 also rotates thereupon, stop rotating operation knob 50 when two measuring arms of measurement structure 22 and the internal wall face contact of breach department, after sensor 30 obtained measurement needle 20's turned angle information, the turned angle information transfer who obtains gives signal conversion circuit board, signal conversion circuit board turns into the clearance distance of breach department with measurement needle 20's turned angle information, show at display screen 42, the staff's of being convenient for quick reading.

It should be noted that, in the present application, the measuring structure 22 of the measuring tip 20 is in a sheet shape, one side of the measuring tip 20 away from the measuring end has a widened portion (i.e. two oppositely disposed measuring arms on the measuring structure 22), and is installed with an operation knob 50, a position of the measuring tip 20 close to the operation knob 50 is connected with a moving grid of the sensor 30, one side of the sensor 30 away from the operation knob 50 is installed with a positioning base block 10, the positioning base block 10 is in a T-shaped structure, the measuring tip 20 passes through the positioning base block 10, and one side of the positioning base block 10 close to the operation knob 50 is installed with the display module 40.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A gap measurer for measuring a gap distance at a gap of a switch machine, the gap measurer comprising:

the measuring device comprises a positioning base block (10) and a measuring needle (20), wherein the positioning base block (10) is provided with an avoiding through hole, the measuring needle (20) penetrates through the avoiding through hole, the measuring needle (20) is provided with a measuring end, and the measuring end is used for extending into the gap;

a sensor (30), wherein the sensor (30) is connected with the measuring needle (20) and is used for acquiring the rotation angle information of the measuring needle (20) in real time;

display module assembly (40), display module assembly (40) set up on location base block (10), display module assembly (40) with sensor (30) signal connection, display module assembly (40) have the signal conversion circuit board, the signal conversion circuit board be used for with the turned angle information conversion becomes clearance distance, and pass through display screen (42) display of display module assembly (40).

2. Gap measurer according to claim 1, characterized in that the sensor (30) is fastened to the measuring needle (20).

3. Gap measurer according to claim 1, characterized in that said display module (40) comprises:

the shell (41), the shell (41) is arranged on the positioning base block (10), the shell (41) is provided with an accommodating cavity, the signal conversion circuit board is arranged in the accommodating cavity, and the signal conversion circuit board is in signal connection with the sensor (30);

the display screen (42) is arranged on the shell (41) and is positioned on the surface of one side, away from the positioning base block (10), of the shell (41), and the display screen (42) is electrically connected with the signal conversion circuit board.

4. A gap measurer as claimed in claim 3, wherein said display module (40) further comprises:

and the power supply module (43) is arranged in the accommodating cavity and is electrically connected with the signal conversion circuit board.

5. Gap measurer according to claim 4, characterized in that said display module (40) further comprises:

the on-off switch (44) is arranged on the shell (41), and the on-off switch (44) is used for controlling the on-off of the power supply module (43) and the signal conversion circuit board.

6. Gap measurer according to claim 5, characterized in that the on-off switch (44) and the display screen (42) are located on the same side surface of the housing (41).

7. The gap measurer according to any one of claims 1 to 6, wherein a through hole is formed at a position of the display module (40) opposite to the avoiding through hole, and the measuring end of the measuring needle (20) passes through the through hole and the avoiding through hole in sequence.

8. The gap measurer according to any one of claims 1 to 6, the positioning base block is characterized in that the cross section of the positioning base block (10) is T-shaped.

9. The gap measurer according to any one of claims 1 to 6, further comprising:

the operation knob (50) is in driving connection with one end, far away from the measuring end, of the measuring needle (20), and the operation knob (50) is operated to drive the measuring needle (20) to rotate.

10. Gap measurer according to any of claims 1 to 6, characterized in that the measuring needle (20) comprises:

a needle body (21), the needle body (21) being cylindrical;

a measurement structure (22), the measurement structure (22) being connected with one end of the needle body (21) to form the measurement end, the measurement structure (22) being a sheet-like structure.

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