Electronic one-meter ruler

Abstract

The utility model discloses an electronic one-meter straight ruler, which comprises a measuring main ruler (1), two strong adsorption devices (2), a digital display distance measuring device (3) and a digital display moving device (4), the two strong adsorption devices (2) are respectively, vertically and fixedly arranged at the two axial ends of the measuring main ruler (1), the bottom surfaces of the two strong adsorption devices (2) are positioned on the same plane, and the digital display distance measuring device (3) is arranged on the measuring main ruler (1). When the two strong adsorption devices (2) are adsorbed on a steel rail, the measuring main ruler (1) is parallel to the steel rail, and the digital display distance measuring device (3) is installed on the measuring main ruler (1) through the digital display moving device (4) in a left-right sliding mode.

Description

Technical Field

[0001] The utility model belongs to the technical field of measurement, and particularly relates to an electronic one-meter straightedge. Background Technique

[0002] In the measurement of the straightness and corrugation defects of steel rails, the existing method is to use a one-meter straightedge to measure the straightness and corrugation defects of the top surface and side vertical surface of the steel rail. When measuring, two people are required to cooperate. One person holds the straightedge, and the other person uses a feeler gauge to measure. There may be errors in operations such as reading and using the feeler gauge, resulting in inaccurate data and low measurement efficiency.

[0003] Therefore, it has a good market prospect to develop a one-meter straightedge with accurate measurement and capable of being measured by one person. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems of the existing technology, and provide an electronic one-meter straightedge.

[0005] To solve the technical problems, the technical solution of the utility model is: an electronic one-meter straightedge, including a measurement main ruler, a strong adsorption device, a digital display distance measurement device and a digital display moving device. There are two strong adsorption devices, and the two strong adsorption devices are respectively vertically and fixedly installed at both axial ends of the measurement main ruler. The bottom surfaces of the two strong adsorption devices are on the same plane. When the two strong adsorption devices are adsorbed on the steel rail, the measurement main ruler is parallel to the steel rail. The digital display distance measurement device can be slidably installed on the measurement main ruler left and right through the digital display moving device.

[0006] Preferably, the strong adsorption device includes a mounting base, an adjusting screw and a magnet. The top of the mounting base is vertically fixed at the axial end of the measurement main ruler through the adjusting screw. A magnet mounting groove is opened at the bottom of the mounting base, and the magnet is fixedly installed in the magnet mounting groove.

[0007] Preferably, the magnet mounting groove is of an inverted trapezoidal structure, and the magnet is adapted to the shape of the magnet mounting groove.

[0008] Preferably, the digital display distance measurement device is a high-precision 0.002mm rebound contact type displacement distance measurement sensor. The measurement scale at the bottom of the high-precision 0.002mm rebound contact type displacement distance measurement sensor is perpendicular to the measurement main ruler. The measurement scale contacts the steel rail to measure the unevenness of the steel rail surface. A Bluetooth module is arranged in the high-precision 0.002mm rebound contact type displacement distance measurement sensor, and the Bluetooth module is wirelessly connected to the measurement terminal.

[0009] Preferably, the digital display mobile device includes a mounting plate, a first fixing bracket, a second fixing bracket and fastening screws. One end face of the mounting plate is fixedly connected to the digital display distance measuring device, and the other end face of the mounting plate is integrally formed with the first fixing bracket and the second fixing bracket. The first fixing bracket and the second fixing bracket are arranged oppositely to form a mounting space, the measuring main scale is sleeved in the mounting space, and the fastening screws pass through the first fixing bracket and the second fixing bracket and are closely attached to the measuring main scale, so that the digital display distance measuring device can slide left and right along the measuring main scale.

[0010] Preferably, the cross-sections of the first fixing bracket and the second fixing bracket are both in the shape of "¬".

[0011] Preferably, the length of the measuring main scale is 1000 mm.

[0012] Compared with the prior art, the advantages of the present utility model are as follows:

[0013] (1) The present utility model discloses an electronic one-meter straightedge, which includes a measuring main scale, a strong adsorption device, a digital display distance measuring device and a digital display mobile device. The two ends of the measuring main scale are respectively connected to the strong adsorption device. The digital display distance measuring device can be slidably installed on the measuring main scale left and right through the digital display mobile device. The digital display distance measuring device can quickly complete the automatic reading and recording of the unevenness on the rail surface, with accurate data measurement and high measuring efficiency, and one person can achieve the measurement.

[0014] (2) The operation of the present utility model is simple. The electronic one-meter straightedge can be quickly operated by only one person, with high practical value, so as to achieve the purpose of improving labor efficiency and measurement accuracy.

[0015] (3) The efficiency of the present utility model is improved. The automatic reading of measurement numbers can be realized within one meter range, and the automatic reading and storage of the unevenness degree on the rail surface can be realized by using the measuring scale of the high-precision 0.002 mm rebound contact type displacement ranging sensor.

[0016] (4) The present utility model is convenient for analysis. After the measurement is completed, the data can be output to the measurement terminal through the Bluetooth module for further analysis and evaluation, and a corresponding database can be established.

[0017] (5) The production cost of the present utility model is low. The electronic one-meter straightedge uses a traditional one-meter straightedge as the ruler body, which has high strength, is convenient for processing, and greatly reduces the cost. Description of the Drawings

[0018] Figure 1 、Schematic three-dimensional structure diagram of an electronic one-meter straightedge of the present utility model;

[0019] Figure 2 、Schematic three-dimensional structure diagram of an electronic one-meter straightedge of the present utility model;

[0020] Figure 3, Front view of an electronic one-meter ruler of the present utility model;

[0021] Figure 4 , Bottom view of an electronic one-meter ruler of the present utility model.

[0022] Explanation of reference numerals in the drawings:

[0023] 1. Measuring main scale, 2. Strong adsorption device, 3. Digital display distance measuring device, 4. Digital display moving device;

[0024] 2-1. Mounting base, 2-2. Adjusting screw, 2-3. Magnet;

[0025] 2-1-1. Magnet mounting groove;

[0026] 3-1. Measuring scale;

[0027] 4-1. Mounting plate, 4-2. First fixing bracket, 4-3. Second fixing bracket, 4-4. Fastening screw. Detailed implementation manners

[0028] The following describes the specific implementation manners of the present utility model in conjunction with embodiments:

[0029] It should be noted that the structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the implementation conditions of the present utility model. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0030] Embodiment 1

[0031] As Figures 1 to 4 shown, the present utility model discloses an electronic one-meter ruler, including a measuring main scale 1, a strong adsorption device 2, a digital display distance measuring device 3 and a digital display moving device 4. There are two strong adsorption devices 2, and the two strong adsorption devices 2 are respectively vertically and fixedly installed at both axial ends of the measuring main scale 1. The bottom surfaces of the two strong adsorption devices 2 are in the same plane. When the two strong adsorption devices 2 are adsorbed on the steel rail, the measuring main scale 1 is parallel to the steel rail. The digital display distance measuring device 3 can be slidably installed on the measuring main scale 1 left and right through the digital display moving device 4.

[0032] Preferably, the length of the measuring main scale 1 is 1000 mm.

[0033] Embodiment 2

[0034] As Figure 1As shown, preferably, the strong adsorption device 2 includes a mounting base 2-1, an adjustment screw 2-2, and a magnet 2-3. The top of the mounting base 2-1 is vertically fixed to the axial end of the measuring main scale 1 through the adjustment screw 2-2. A magnet mounting groove 2-1-1 is formed at the bottom of the mounting base 2-1, and the magnet 2-3 is fixedly installed in the magnet mounting groove 2-1-1.

[0035] Preferably, the magnet mounting groove 2-1-1 is of an inverted trapezoidal structure, and the magnet 2-3 is adapted to the shape of the magnet mounting groove 2-1-1.

[0036] Embodiment 3

[0037] As Figure 3 shown, preferably, the digital display distance measuring device 3 is a high-precision 0.002 mm rebound contact displacement distance measuring sensor. The measuring scale 3-1 (grating micrometer) at the bottom of the high-precision 0.002 mm rebound contact displacement distance measuring sensor is perpendicular to the measuring main scale 1. The measuring scale 3-1 contacts the rail to measure the unevenness of the rail surface. A Bluetooth module is provided in the distance measuring sensor, and the Bluetooth module is wirelessly connected to the measuring terminal.

[0038] The measuring terminal is a computer or a mobile phone. Data can be output to an external computer or mobile phone through the Bluetooth module for further analysis and evaluation, and a corresponding database is established.

[0039] Embodiment 4

[0040] As Figure 2 shown, preferably, the digital display moving device 4 includes a mounting plate 4-1, a first fixing bracket 4-2, a second fixing bracket 4-3, and a fastening screw 4-4. One end face of the mounting plate 4-1 is fixedly connected to the digital display distance measuring device 3. The other end face of the mounting plate 4-1 is integrally formed with the first fixing bracket 4-2 and the second fixing bracket 4-3. The first fixing bracket 4-2 and the second fixing bracket 4-3 are arranged oppositely to form a mounting space. The measuring main scale 1 is sleeved in the mounting space. The fastening screw 4-4 passes through the first fixing bracket 4-2 and the second fixing bracket 4-3 and presses against the measuring main scale 1, so that the digital display distance measuring device 3 can slide left and right along the measuring main scale 1.

[0041] As Figure 2 shown, preferably, the cross sections of the first fixing bracket 4-2 and the second fixing bracket 4-3 are both of a "¬" type structure.

[0042] The working principle of the present utility model is as follows:

[0043] As Figures 1 to 4As shown in the figure, the present utility model discloses an electronic one-meter straightedge. A traditional one-meter straightedge is selected as the main measuring ruler 1. At both axial ends of the main measuring ruler 1, strong adsorption devices 2 are vertically fixed respectively. The digital display distance measuring device 3 can be slidably installed on the main measuring ruler 1 left and right through the digital display moving device 4. When measuring a rail, a measuring personnel adsorbs the strong adsorption device 2 on the rail. At this time, the main measuring ruler 1 is parallel to the rail. Manually move the digital display distance measuring device 3, and measure the flatness and corrugation defects of the rail surface every 5 - 10 mm through a high-precision 0.002 mm rebound contact displacement distance measuring sensor. The data can be output to an external computer or mobile phone through the Bluetooth module for further analysis and evaluation. The measurement is accurate and the measurement efficiency is relatively high. One person can complete the measurement.

[0044] The present utility model discloses an electronic one-meter straightedge, which includes a main measuring ruler, a strong adsorption device, a digital display distance measuring device and a digital display moving device. The strong adsorption devices are respectively connected to both ends of the main measuring ruler. The digital display distance measuring device can be slidably installed on the main measuring ruler left and right through the digital display moving device. The digital display distance measuring device can quickly complete the automatic reading and recording of the unevenness of the rail surface.

[0045] The operation of the present utility model is simple. Only one person can quickly complete the operation of the electronic one-meter straightedge. It has high practical value, so as to achieve the purpose of improving work efficiency and measurement accuracy.

[0046] The efficiency of the present utility model is improved. It can realize the automatic reading of measurement numbers within one meter range, and utilize the measuring scale of the high-precision 0.002 mm rebound contact displacement distance measuring sensor to realize the automatic reading and storage of the unevenness of the rail surface.

[0047] The present utility model is convenient for analysis. After the measurement is completed, the data can be output to the measurement terminal through the Bluetooth module for further analysis and evaluation, and a corresponding database can be established.

[0048] The production cost of the present utility model is low. This electronic one-meter straightedge uses a traditional one-meter straightedge as the ruler body, which has high strength, is convenient for processing, and the cost is greatly reduced.

[0049] The cost of existing one-meter straightedges on the market is nearly 100,000 yuan, and the lowest is also 35,000 yuan. However, the cost of the electronic one-meter straightedge of the present utility model is only 2,000 yuan, and the cost is reduced by 94.29 - 98%.

[0050] The above has made a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present utility model.

[0051] Many other changes and modifications can be made without departing from the spirit and scope of the present utility model. It should be understood that the present utility model is not limited to the specific embodiments, and the scope of the present utility model is defined by the appended claims.

Claims

1. An electronic one-meter straightedge, characterized in that: It includes a measuring main scale (1), a strong adsorption device (2), a digital display distance measuring device (3) and a digital display moving device (4). There are two strong adsorption devices (2), and the two strong adsorption devices (2) are respectively vertically and fixedly installed at both axial ends of the measuring main scale (1). The bottom surfaces of the two strong adsorption devices (2) are on the same plane. When the two strong adsorption devices (2) adsorb on the rail, the measuring main scale (1) is parallel to the rail. The digital display distance measuring device (3) is slidably installed on the measuring main scale (1) left and right through the digital display moving device (4).

2. The electronic one-meter ruler according to claim 1, wherein: The strong adsorption device (2) includes a mounting base (2-1), an adjusting screw (2-2) and a magnet (2-3). The top of the mounting base (2-1) is vertically fixed to the axial end of the measuring main scale (1) through the adjusting screw (2-2). A magnet mounting groove (2-1-1) is opened at the bottom of the mounting base (2-1), and the magnet (2-3) is fixedly installed in the magnet mounting groove (2-1-1).

3. The electronic one-meter ruler according to claim 2, characterized in that: The magnet mounting groove (2-1-1) is of an inverted trapezoidal structure, and the magnet (2-3) is adapted to the shape of the magnet mounting groove (2-1-1).

4. An electronic one-meter ruler according to claim 1, characterized in that: The digital display distance measuring device (3) is a high-precision 0.002mm rebound contact type displacement distance measuring sensor. The measuring scale (3-1) at the bottom of the high-precision 0.002mm rebound contact type displacement distance measuring sensor is perpendicular to the measuring main scale (1). The measuring scale (3-1) contacts the rail to measure the unevenness of the rail surface. A Bluetooth module is arranged in the high-precision 0.002mm rebound contact type displacement distance measuring sensor, and the Bluetooth module is wirelessly connected to the measuring terminal.

5. An electronic one-meter straightedge according to claim 1, characterized in that: The digital display moving device (4) includes a mounting plate (4-1), a first fixing bracket (4-2), a second fixing bracket (4-3) and a fastening screw (4-4). One end face of the mounting plate (4-1) is fixedly connected to the digital display distance measuring device (3). The other end face of the mounting plate (4-1) is integrally formed with the first fixing bracket (4-2) and the second fixing bracket (4-3). The first fixing bracket (4-2) and the second fixing bracket (4-3) are arranged oppositely to form a mounting space. The measuring main scale (1) is sleeved in the mounting space. The fastening screw (4-4) passes through the first fixing bracket (4-2) and the second fixing bracket (4-3) and presses against the measuring main scale (1) so that the digital display distance measuring device (3) can slide left and right along the measuring main scale (1).

6. An electronic one-meter ruler according to claim 5, characterized in that: The cross-sections of the first fixing bracket (4-2) and the second fixing bracket (4-3) are both of a "¬” type structure.

7. An electronic one-meter ruler according to claim 1, characterized in that: The length of the measuring main scale (1) is 1000mm.

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