Gauge rule

Abstract

The utility model discloses a gauging rule, which comprises a rule body, a gauging rule body and a gauging rule body, the handle assembly comprises a handle shell and a handle, the handle shell is fixedly connected with the ruler body, and the handle is rotatably connected with the handle shell; the fixed measuring head is arranged at the first end of the ruler body, and the fixed measuring head is provided with a first arc-shaped measuring surface; the movable measuring head assembly is arranged at the second end of the ruler body, the movable measuring head assembly comprises a movable measuring head, the handle is in transmission connection with the movable measuring head, and the handle can drive the movable measuring head to move relative to the ruler body; the movable measuring head is provided with a first arc-shaped measuring surface, the movable measuring head is provided with a second arc-shaped measuring surface, the diameter of the horizontal section of the first arc-shaped measuring surface and the diameter of the horizontal section of the second arc-shaped measuring surface are both D, D = L, and L is a standard gauge. According to the utility model, measurement efficiency is improved and errors are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of track gauge, especially relates to a track gauge. BACKGROUND

[0002] Track gauge is a special measuring instrument for measuring the track gauge of two steel rails of railway line, the interval of gage and the distance of back protection, with the increasing development of railway construction, track gauge becomes an important detection tool for railway construction and maintenance, and plays a more and more important role, track gauge generally includes fixed measuring head and movable measuring head, correct measurement, track gauge refers to the distance between the two excircle surfaces of fixed measuring head and movable measuring head, the interval of gage refers to the distance between the excircle surface of movable measuring head and the incircle surface of fixed measuring head, and the distance of back protection refers to the distance between the incircle surface of movable measuring head and the incircle surface of fixed measuring head, when measuring, it needs to ensure that the track gauge is vertically contacted with the rail to ensure the measurement accuracy, but due to the measurement environment and the skill level of the operator, there may be a small deviation in actual operation, and the accuracy needs to be improved by taking the minimum value through multiple measurements, which affects the work efficiency and railway safety. SUMMARY

[0003] The utility model provides a kind of track gauge, it can improve measurement efficiency, reduce error.

[0004] To solve the above technical problems, the utility model provides a kind of track gauge, characterized by comprising:

[0005] Ruler body, the ruler body inside has installation cavity;

[0006] Handle assembly, the handle assembly includes handle shell and handle, the handle shell is fixedly connected with the ruler body, and the handle is rotatably connected with the handle shell;

[0007] Fixed measuring head, the fixed measuring head is arranged at the first end of the ruler body, and the fixed measuring head is provided with a first arc-shaped measuring surface;

[0008] Movable measuring head assembly, the movable measuring head assembly is arranged at the second end of the ruler body, and the movable measuring head assembly includes a movable measuring head, the handle is drivingly connected with the movable measuring head, and the handle can drive the movable measuring head to move relative to the ruler body;The movable measuring head is provided with a second arc-shaped measuring surface, the diameter of the horizontal section of the first arc-shaped measuring surface and the diameter of the horizontal section of the second arc-shaped measuring surface are D, D=L, and L is the standard track gauge.

[0009] As a preferred technical scheme, the diameter of the horizontal section of the first arc-shaped measuring surface and the diameter of the horizontal section of the second arc-shaped measuring surface are D, and the value range of D is [1427mm, 1443mm].

[0010] Preferably, the diameter of the horizontal section of the first arc-shaped measurement surface and the diameter of the horizontal section of the second arc-shaped measurement surface are both D, and D is 1435mm.

[0011] Preferably, the fixed measurement head is further provided with a third arc-shaped measurement surface, and the movable measurement head is further provided with a fourth arc-shaped measurement surface.

[0012] Preferably, the movable measurement head assembly further comprises a movable head positioning seat arranged in the mounting cavity, the handle is used to drive the movable head positioning seat to slide in the ruler body, the movable measurement head is located outside the ruler body, and the movable head positioning seat passes through the ruler body and extends to the outside of the ruler body to be connected with the movable measurement head.

[0013] Preferably, the first end of the ruler body is provided with a fixed head rail member, the fixed measurement head is arranged on the fixed head rail member, the second end of the ruler body is provided with a movable head rail member, and the movable head positioning seat passes through the movable head rail member and extends to the outside of the movable head rail member to be connected with the movable measurement head.

[0014] Preferably, the fixed head rail member has a first rail plane, the movable head rail member has a second rail plane, and the first rail plane and the second rail plane are located in the same plane.

[0015] Preferably, the fixed head rail member and the movable head rail member are made of high-strength insulating material.

[0016] The track gauge comprises a ruler body, a handle assembly, a fixed measurement head and a movable measurement head assembly, the track gauge is placed on the rails during measurement, the first arc-shaped measurement surface of the fixed measurement head is attached to the inner side of one of the rails, the handle is used to drive the movable measurement head to slide, the second arc-shaped measurement surface of the movable measurement head is finally attached to the inner side of the other rail, and the track gauge is read to complete the measurement of the track gauge. Figure 1 and Figure 2 During the measurement, the circle formed by the first arc-shaped measurement surface and the second arc-shaped measurement surface is coincident or close to coincident, so even if the track gauge is not completely vertically contacted with the rails and there is a certain deflection, the reading will not be affected, thereby ensuring the accuracy of the measurement, the cooperation of the first arc-shaped measurement surface and the second arc-shaped measurement surface effectively improves the efficiency and precision of the track gauge measurement, and ensures the safety of the railway operation.

[0017] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, the specific embodiments of the present application can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described below. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the measurement method of the track gauge ruler in the embodiment of the present application.

[0019] Figure 2 It is a schematic diagram of the measurement method of the track gauge ruler in the embodiment of the present application.

[0020] Figure 3 It is a schematic diagram of the track gauge ruler in the embodiment of the present application.

[0021] Figure 4 It is a schematic diagram of the track gauge ruler in the embodiment of the present application.

[0022] Figure 5 It is Figure 4 It is a local enlarged view of A in the embodiment of the present application.

[0023] Figure 6 It is a schematic diagram of the fixed measuring head and the movable measuring head of the track gauge ruler in the embodiment of the present application.

[0024] In the figure: 1, the ruler body; 2, the handle assembly; 3, the fixed measuring head; 4, the movable measuring head assembly; 101, the mounting cavity; 102, the fixed head rail clamping piece; 103, the movable head rail clamping piece; 104, the first rail clamping plane; 105, the second rail clamping plane; 201, the handle shell; 202, the handle; 301, the first arc-shaped measuring surface; 302, the third arc-shaped measuring surface; 401, the movable head positioning seat; 402, the movable measuring head; 403, the second arc-shaped measuring surface; 404, the fourth arc-shaped measuring surface. DETAILED DESCRIPTION

[0025] In order to make the purpose, characteristics and advantages of the present application more obvious and easy to understand, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0026] Referring to Figures 1 to 6 The embodiment of the present application provides a track gauge ruler, characterized by comprising:

[0027] A ruler body 1, which has a mounting cavity 101 inside;

[0028] A handle assembly 2, which comprises a handle shell 201 and a handle 202, the handle shell 201 is fixedly connected with the ruler body 1, and the handle 202 is rotatably connected with the handle shell 201;

[0029] A fixed measuring head 3, which is arranged at a first end of the ruler body 1, and the fixed measuring head 3 is provided with a first arc-shaped measuring surface 301;

[0030] A movable measuring head assembly 4, which is arranged at a second end of the ruler body 1, and the movable measuring head assembly 4 comprises a movable measuring head 402, the handle 202 is in transmission connection with the movable measuring head 402, and the handle 202 can drive the movable measuring head 402 to move relative to the ruler body 1; the movable measuring head 402 is provided with a second arc-shaped measuring surface 403, and the diameter of the horizontal section of the first arc-shaped measuring surface 301 and the diameter of the horizontal section of the second arc-shaped measuring surface 403 are both D, D=L, and L is a standard track gauge.

[0031] The utility model discloses an embodiment provides a track gauge, which is characterized by comprising a ruler body 1, a handle assembly 2, a fixed measuring head 3 and a movable measuring head assembly 4. Figure 1 During the measurement process, the circle formed by the first arc-shaped measuring surface 301 and the second arc-shaped measuring surface 403 is coincident or nearly coincident, so even if the track gauge is not completely vertically contacted with the rails and there is a certain deflection, the reading will not be affected, thereby ensuring the accuracy of the measurement. Figure 2 Through the cooperation of the first arc-shaped measuring surface 301 and the second arc-shaped measuring surface 403, the efficiency and precision of track gauge measurement are effectively improved, and the safety of railway operation is ensured.

[0032] In a further implementable manner of the embodiment, the diameter of the horizontal section of the first arc-shaped measuring surface 301 and the diameter of the horizontal section of the second arc-shaped measuring surface 403 are both D, and the value range of D is [1427mm, 1443mm].

[0033] In the embodiment, the standard gauge is set to 1435mm (±8mm), so in order to reduce the influence of the gauge deflection on the measurement result, the diameter of the horizontal section of the first arc-shaped measurement surface 301 and the diameter of the horizontal section of the second arc-shaped measurement surface 403 need to strictly match the set value of the standard gauge, so the value range of D is [1427mm, 1443mm]. The measurement result is ensured not to be affected by the deflection, the measurement efficiency and the measurement accuracy are improved, and the safe operation of the railway is ensured.

[0034] In a further implementable manner of the embodiment, the diameter of the horizontal section of the first arc-shaped measurement surface 301 and the diameter of the horizontal section of the second arc-shaped measurement surface 403 are both D, and the value of D is 1435mm.

[0035] In the embodiment, the standard gauge is set to 1435mm (±8mm), so in order to reduce the influence of the gauge deflection on the measurement result, the diameter of the horizontal section of the first arc-shaped measurement surface 301 and the diameter of the horizontal section of the second arc-shaped measurement surface 403 need to strictly match the set value of the standard gauge, and the value of D is 1435mm. The measurement result is ensured not to be affected by the deflection, the measurement efficiency and the measurement accuracy are improved, and the safe operation of the railway is ensured.

[0036] In a further implementable manner of the embodiment, the fixed probe 3 is further provided with a third arc-shaped measurement surface 302, and the movable probe 402 is further provided with a fourth arc-shaped measurement surface 404.

[0037] In the embodiment, the fixed probe 3 is further provided with a third arc-shaped measurement surface 302, the third arc-shaped measurement surface 302 is located on the side of the fixed probe 3 close to the movable probe 402, the movable probe 402 is further provided with a fourth arc-shaped measurement surface 404, and the fourth arc-shaped measurement surface 404 is located on the side of the movable probe 402 opposite to the third arc-shaped measurement surface 302; during correct measurement, the gauge refers to the distance between the two excircles of the movable probe and the fixed probe 3, that is, the distance between the first arc-shaped measurement surface 301 and the second arc-shaped measurement surface 403, the checking interval refers to the distance between the excircle of the movable probe and the incircle of the fixed probe 3, that is, the distance between the third arc-shaped measurement surface 302 and the second arc-shaped measurement surface 403, and the guard back distance refers to the distance between the incircle of the movable probe and the incircle of the fixed probe 3, that is, the distance between the third arc-shaped measurement surface 302 and the fourth arc-shaped measurement surface 404; the incircle of the movable probe 402 and the incircle of the fixed probe 3 are both arc-shaped surfaces, which ensures that the contact surfaces are tightly fitted during the measurement process, reduces the error, further improves the measurement accuracy of the gauge, the checking interval and the guard back distance, and provides a solid guarantee for the safe operation of the railway.

[0038] In a further implementation form of the embodiment, the movable measuring head assembly 4 further comprises a movable head positioning seat 401, the movable head positioning seat 401 is arranged in the mounting cavity 101, the handle 202 is used to drive the movable head positioning seat 401 to slide in the ruler body 1, the movable measuring head 402 is located outside the ruler body 1, the movable head positioning seat 401 passes through the ruler body 1 and extends to the outside of the ruler body 1 and is connected with the movable measuring head 402.

[0039] In the embodiment, the movable measuring head assembly 4 further comprises a movable head positioning seat 401, the movable head positioning seat 401 is arranged in the mounting cavity 101, the handle 202 is used to drive the movable head positioning seat 401 to slide in the ruler body 1, thereby driving the movable measuring head 402 to slide, so as to accurately adjust the position of the movable measuring head 402 and ensure the accuracy of the measurement data.

[0040] In a further implementation form of the embodiment, the first end of the ruler body 1 is provided with a fixed head rail piece 102, the fixed measuring head 3 is arranged on the fixed head rail piece 102, the second end of the ruler body 1 is provided with a movable head rail piece 103, and the movable head positioning seat 401 passes through the movable head rail piece 103 and extends to the outside of the movable head rail piece 103 and is connected with the movable measuring head 402.

[0041] In the embodiment, the first end of the ruler body 1 is provided with a fixed head rail piece 102, the second end of the ruler body 1 is provided with a movable head rail piece 103, and specifically, the fixed head rail piece 102 and the movable head rail piece 103 are used to be placed on the top of the rail during use, which can achieve positioning effect, ensure the accuracy of measurement, and also can avoid the direct contact between the ruler body 1 and the rail, reduce the wear of the ruler body 1, prolong the service life, further improve the overall durability and stability of the track gauge, and ensure the measurement accuracy during long-term use.

[0042] In a further implementation form of the embodiment, the fixed head rail piece 102 has a first rail plane 104, the movable head rail piece 103 has a second rail plane 105, and the first rail plane 104 and the second rail plane 105 are located in the same plane.

[0043] In the embodiment, the first rail plane 104 and the second rail plane 105 are located in the same plane, during measurement, the first rail plane 104 and the second rail plane 105 respectively abut against the top of the two rails, which ensures that the track gauge is in parallel contact with the rails at both ends, avoids the measurement error caused by inclination, and improves the data reliability.

[0044] In a further implementation form of the embodiment, the fixed head rail piece 102 and the movable head rail piece 103 are made of high-strength insulating material.

[0045] In the embodiment, the material of the fixed head rail connecting piece 102 and the movable head rail connecting piece 103 is high-strength insulating material, preventing short circuit of the two rails, ensuring railway safety, and having excellent wear resistance and corrosion resistance, ensuring long-term use without deformation in complex environments, and further improving the reliability and service life of the measuring tool.

[0046] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0047] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0048] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A track gauge, characterized in that The utility model relates to a kind of track gauge measuring ruler, including: Ruler body, the inside of the ruler body has installation cavity; Handle assembly, the handle assembly includes handle shell and handle, the handle shell is fixedly connected with the ruler body, the handle is rotatably connected with the handle shell; Fixed measuring head, the fixed measuring head is arranged at the first end of the ruler body, the fixed measuring head is provided with first arc-shaped measuring surface; Movable measuring head assembly, the movable measuring head assembly is arranged at the second end of the ruler body, the movable measuring head assembly includes movable measuring head, the handle is drivingly connected with the movable measuring head, the handle can drive the movable measuring head relative to the ruler body moves;The movable measuring head is provided with second arc-shaped measuring surface, the diameter of the horizontal section of the first arc-shaped measuring surface and the diameter of the horizontal section of the second arc-shaped measuring surface are D, D=L, L is standard gauge.

2. Gauge foot according to claim 1, characterized in that The diameter of the horizontal section of the first arc-shaped measuring surface and the diameter of the horizontal section of the second arc-shaped measuring surface are D, the value range of D is [1427mm, 1443mm].

3. Gauge according to claim 2, characterized in that The diameter of the horizontal section of the first arc-shaped measuring surface and the diameter of the horizontal section of the second arc-shaped measuring surface are D, the value of D is 1435mm.

4. The track gauge of claim 1, wherein, The fixed measuring head is also provided with third arc-shaped measuring surface, and the movable measuring head is also provided with fourth arc-shaped measuring surface.

5. The gauge of claim 1, wherein, The movable measuring head assembly further includes a movable head positioning seat, the movable head positioning seat is arranged in the installation cavity, the handle is used to drive the movable head positioning seat to slide in the ruler body, the movable measuring head is located outside the ruler body, the movable head positioning seat passes through the ruler body and extends to the outside of the ruler body and is connected with the movable measuring head.

6. Gauge according to claim 5, characterized in that The first end of the ruler body is provided with a fixed head rail member, the fixed measuring head is arranged on the fixed head rail member, the second end of the ruler body is provided with a movable head rail member, the movable head positioning seat passes through the movable head rail member and extends to the outside of the movable head rail member and is connected with the movable measuring head.

7. Gauge according to claim 6, characterized in that The fixed head rail member has a first rail plane, the movable head rail member has a second rail plane, and the first rail plane and the second rail plane are located in the same plane.

8. The gauge of claim 6, wherein, The fixed head rail member and the movable head rail member are made of high-strength insulating material.

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