Continuous steel rail abrasion measuring instrument

Abstract

The utility model relates to the technical field of steel rail abrasion measurement, in particular to a continuous steel rail abrasion measuring instrument, which comprises a shell, the data acquisition unit and the data processing unit are mounted on the shell; the clamping frame is in sliding connection with the shell and forms a first sliding direction parallel to the width direction of the steel rail; the clamping frame and the shell are each provided with a clamping side depended wheel, and the clamping side depended wheels are tightly attached to the side wall faces of the two sides of the steel rail. A first elastic piece is arranged between the clamping frame and the shell so that the clamping side depended wheels on the two sides of the steel rail can get close to each other. Supporting wheels are arranged between the clamping frame and the shell and abut against the top face of the steel rail. And the data acquisition unit comprises a top grinding laser measurer and a side grinding laser measurer. When the measuring instrument is used, the clamping side depended wheel can stably slide along the steel rail after clamping the side wall surface of the steel rail, and can continuously measure the steel rail in the movement process of the measuring instrument in cooperation with laser measuring equipment, so that the measurement of a section of steel rail is quickly completed.

Description

Technical Field

[0001] The utility model relates to the technical field of rail wear measurement, in particular to a continuous rail wear measuring instrument. Background Art

[0002] The existing rail wear measuring instrument uses magnetic positioning. In order to ensure the stability of the measuring instrument after installation, the magnetism of the equipment is very strong. When removing the measuring instrument, it is also necessary to avoid collision with the measuring instrument. Therefore, it is difficult to remove it from the rail, and it is very difficult to perform multi-point measurements on a section of rail.

[0003] To this end, the present application provides a measuring instrument that can continuously measure rail wear without the need to repeatedly remove the measuring instrument during the measurement process. Utility Model Content

[0004] In order to solve the above-mentioned problems in the prior art, the utility model provides a continuous rail wear measuring instrument, comprising: a housing;

[0005] A data acquisition unit and a data processing unit installed on the housing;

[0006] A clamping frame slidably connected to the housing to form a first sliding direction parallel to the width direction of the rail;

[0007] The clamping frame and the housing are both provided with clamping side wheels, and the clamping side wheels are tightly fitted on the side walls of both sides of the rail;

[0008] A first elastic member is provided between the clamping frame and the housing, and the first elastic member applies a force parallel to the sliding direction between the clamping frame and the housing to make the clamping side wheels on both sides of the rail approach each other;

[0009] A support wheel is provided between the clamping frame and the housing, and the support wheel abuts against the top surface of the rail;

[0010] The data acquisition unit includes a top wear laser measuring device for detecting wear parameters of the rail top surface;

[0011] Laser measuring device for measuring rail side wear.

[0012] Furthermore, a plurality of guide portions are provided in the housing, and the guide portions engage the edges of the clamping frame so that the clamping frame has only one degree of freedom of displacement along the first sliding direction;

[0013] The clamping frame is fixedly provided with a first handle, and the first handle is configured as a U-shape;

[0014] The housing is provided with two guide holes and a U-shaped second handle;

[0015] The two side arms of the first handle are arranged to pass through the guide hole. The middle portion of the first handle is located outside the shell and forms a ring structure with the second handle.

[0016] Furthermore, a positioning wheel is provided below the clamping side wheel;

[0017] The projections of the circumferential edge of the positioning wheel and the circumferential edge of the clamping side wheel toward the cross section of the rail form an angle a; the wall below the side wall of the rail is the lower side wall, and the side wall of the rail forms an angle b with the lower side wall;

[0018] Angle a is equal to angle b.

[0019] Furthermore, a locking mechanism is provided between the supporting wheel and the shell to fix the relative distance between the clamping frame and the shell in the vertical direction.

[0020] Furthermore, the locking mechanism includes an abutment bolt, a threaded hole passing through the top of the housing, and a locking nut provided on the top wall of the housing;

[0021] The abutment bolt is arranged in the threaded hole, and the end of the abutment bolt abuts the support wheel. Rotating the abutment bolt controls the distance between the support wheel and the top of the shell so that the support wheel is away from or close to the top surface of the rail.

[0022] Furthermore, the supporting wheel is slidably connected to the housing to form a second sliding direction parallel to the height direction of the rail;

[0023] An elastic member is provided between the supporting wheel and the housing, and the elastic member enables the supporting wheel to abut against the upper surface of the rail.

[0024] Furthermore, the data acquisition unit also includes a stroke monitoring sensor, which is connected to the rotating shaft of the support wheel to record the number of movement circles of the support wheel. The stroke monitoring sensor is communicatively connected to the data processing unit, and the data processing unit calculates the movement distance of the measuring instrument based on the number of movement circles.

[0025] Furthermore, it also includes a vibration sensor and a buzzer alarm. When the vibration sensor is preset with a maximum amplitude value, the buzzer alarm is activated when the vibration sensor detects a vibration amplitude greater than the maximum amplitude value.

[0026] Furthermore, the housing is provided with a pull rod, which is L-shaped and divided into a long arm section and a short arm section. An abutment pulley is provided at the corner position of the pull rod, and the abutment pulley abuts against the lower side wall of the rail;

[0027] The end of the short arm section is hinged to the front end surface of the housing, and the hinge axis is parallel to the first sliding direction;

[0028] The front end of the shell is one end of the measuring instrument along the moving direction of the rail.

[0029] Furthermore, there are at least two abutting pulleys, which are respectively arranged on both sides of the rail, and the distance between the two abutting pulleys is adjustable.

[0030] The beneficial effects of the present invention are reflected in the fact that, using the continuous rail wear measuring instrument of the present application, after the clamping side wheels are clamped to the side wall of the rail, the instrument can slide smoothly along the rail. In conjunction with the laser measuring equipment, the instrument can continuously measure the rail while the instrument is in motion, quickly completing the measurement of a section of rail. Furthermore, the support wheels, positioning wheels, and abutment pulleys provided in the present application can ensure to the greatest extent possible that the measurement reference will not shift during the movement of the instrument, thereby affecting measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the three-dimensional structure of the continuous rail wear measuring instrument provided by the utility model;

[0032] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the continuous rail wear measuring instrument provided by the utility model;

[0033] Figure 3 The utility model provides a continuous rail wear measuring instrument with a locking mechanism;

[0034] Figure 4 The continuous rail wear measuring instrument with a second elastic member provided by the utility model;

[0035] Figure 5 This is a front view of the continuous rail wear measuring instrument provided by the utility model.

[0036] Figure numerals: 1. Shell; 11. Guide portion; 12. Second handle; 13. Guide hole; 21. Top grinding laser measuring device; 22. Side grinding laser measuring device; 23. Stroke monitoring sensor; 3. Data processing unit; 4. Clamping frame; 41. First elastic member; 42. First handle; 5. Clamping side wheel; 6. Support wheel; 61. Second elastic member; 7. Positioning wheel; 8. Locking mechanism; 81. Abutment bolt; 82. Threaded hole; 83. Locking nut; 91. Vibration sensor; 92. Buzzer alarm; 01. Pull rod; 011. Long arm section; 012. Short arm section; 013. Abutment pulley; 02. Rail; 021. Top surface; 022. Side wall surface; 023. Lower side wall surface. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] Example 1

[0039] Reference Figure 1 - Figure 5 .

[0040] A continuous rail wear measuring instrument comprises: a housing 1;

[0041] A data acquisition system and a wear data processing system installed on the housing 1;

[0042] The clamping frame 4 is slidably connected to the housing 1, forming a first sliding direction parallel to the width direction of the rail 02;

[0043] The clamping frame 4 and the housing 1 are both provided with clamping side wheels 5, and the clamping side wheels 5 are tightly fitted on the side walls 022 on both sides of the rail 02;

[0044] A telescopic spring is provided between the clamping frame 4 and the housing 1, and the telescopic spring applies a force parallel to the sliding direction between the clamping frame 4 and the housing 1, so as to make the clamping side wheels 5 on both sides of the rail 02 approach each other;

[0045] A support wheel 6 is provided between the clamping frame 4 and the housing 1 , and the support wheel 6 abuts against the top surface 021 of the rail 02 ;

[0046] The data acquisition system includes a top wear laser measuring device 21 for detecting wear parameters of the top surface 021 of the rail 02;

[0047] A side grinding laser measuring device 22 for detecting the side of the rail 02;

[0048] and a mileage encoder for recording the movement distance of the continuous rail wear measuring instrument.

[0049] In existing technology, measuring instruments are fixed to the rails using magnets. To measure the wear of a section of rail, a surveyor must select multiple points along the rail for measurement. The positioning block of traditional measuring instruments features a strong magnet to ensure a stable connection between the measuring instrument and the rail. Furthermore, extreme care must be taken during removal to avoid knocking the top of the vernier caliper. Therefore, removing and installing traditional measuring instruments is laborious.

[0050] To this end, the present application provides a continuous rail wear measuring instrument that can continuously measure a section of rail 02, without the need to separately remove the measuring instrument during use.

[0051] Specifically, it includes a clamping frame 4, a shell 1 and a first elastic member 41 arranged between the two. The wall surfaces of one side of the clamping frame 4 and the shell 1 are respectively located on both sides of the rail 02. The clamping frame 4 is slidably connected to the shell 1. The bottoms of the clamping frame 4 and the shell 1 are both provided with clamping side wheels 5. The continuous rail wear measuring instrument of the present application also includes a support wheel 6, which is slidably connected to the shell 1 and the clamping frame 4, and the sliding direction is parallel to the first sliding direction, that is, during the relative movement of the shell 1 and the clamping frame 4, the distance between the support wheel 6 and the clamping side wheel in the vertical direction (the height direction of the rail 02) remains unchanged, and the clamping frame 4 and the shell 1 move away from each other, squeezing the first elastic member 41 so that the spacing between the clamping side wheels 5 on both sides is greater than the side wall surfaces 022 of the rail 02 on both sides. First, the support wheel 6 abuts against the top surface 021 of the rail 02 to determine the measured height position, and then the first elastic member 41 drives the clamping frame 4 and the shell 1 to reset, so that the clamping side wheels 5 on both sides clamp the side wall surfaces 022 of the rail 02 on both sides to determine the measured width position.

[0052] Positioning is achieved by using a wheel set to ensure that the measuring instrument can move along the rail 02 after positioning is completed. If you want to achieve simultaneous measurement and positioning, you need to change the measuring tool to a non-contact type. To this end, this application replaces the traditional vernier caliper with a laser measuring instrument to ensure that the measuring instrument can measure distance in real time during movement.

[0053] The data acquisition unit includes a top-grinding laser measuring device 21 for measuring wear parameters on the top surface 021 of rail 02. The top-grinding laser measuring device 21 is pointed at a point within the standard cross-section of rail 02, two-thirds of the rail head width from the non-working edge. A side-grinding laser measuring device 22 is used to measure wear parameters on the side surfaces of rail 02. The side-grinding laser measuring device 22 is pointed at a point 16 mm below the top surface 021 of rail 02.

[0054] The shell 1 and the clamping frame 4 move along a first sliding direction parallel to the width direction of the rail 02. Since the two move in translation, the relative angles of the clamping side wheels 5 on both sides will not change during the movement. After the angles of the clamping side wheels 5 are pre-set to be parallel to the side walls 022 on both sides of the rail 02, it can ensure that the clamping side wheels 5 are always parallel to the side walls 022 of the rail 02, avoiding the equipment from tilting during movement. The vertical position is achieved by the weight of the equipment to make the support wheels 6 close to the top surface 021 of the rail 02.

[0055] Furthermore, a plurality of guide portions 11 are provided in the housing 1 , and the guide portions 11 engage with the edges of the clamping frame 4 so that the clamping frame 4 has only one degree of freedom of displacement along the first sliding direction.

[0056] The clamping frame 4 is fixedly provided with a first handle 42, which is set to be U-shaped. The shell 1 is provided with two guide holes 13 and a U-shaped second handle 12. The two side arms of the first handle 42 pass through the guide holes 13, and the middle part of the first handle 42 is located on the outside of the shell 1.

[0057] At the same time, the middle parts of the first handle 42 and the second handle 12 are tightly grasped, and the first handle 42 is brought close to the second handle 12 , so that the clamping frame 4 is away from the housing 1 .

[0058] Example 2

[0059] Reference Figure 1 - Figure 4 .

[0060] A positioning wheel 7 is provided below the clamping side wheel 5;

[0061] The projection of the circumferential edge of the positioning wheel 7 and the circumferential edge of the clamping side wheel 5 toward the cross section of the rail 02 forms an angle a; the wall below the side wall surface 022 of the rail 02 is the lower side wall surface 023, and the side wall surface 022 of the rail 02 forms an angle b with the lower side wall surface 023;

[0062] Angle a is equal to angle b.

[0063] The side wall surfaces 022 on both sides of the rail 02 are not two parallel surfaces, but two waistlines of an approximately isosceles trapezoid. Therefore, when the clamping side leaning wheel 5 clamps the side wall surface 022 of the rail 02 along the first sliding direction, the side wall surface 022 will decompose the force parallel to the first sliding direction into a vertical upward component force, counteracting the gravity of the equipment, thereby reducing the pressure between the support wheel 6 and the top surface 021 of the rail 02, and reducing the stability of the equipment during movement.

[0064] In this embodiment, the circumferential edge of the positioning wheel 7 and the circumferential edge of the clamping side wheel 5 form an included angle a; the included angle a is equal to the included angle b.

[0065] When the measuring instrument of the present application is installed on the rail 02, the positioning wheel 7 completely abuts the lower side wall 023 of the rail 02, preventing the measuring instrument from moving upward away from the rail 02. The clamping side wheels 5 on both sides clamp the two side walls 022 of the rail 02 to determine the measurement position of top wear. The positioning wheel 7 and support wheels 6 clamp the top surface 021 and lower side wall 023 of the rail 02 to determine the measurement position of side wear. The four clamping points completely wrap around the rail 02, ensuring that the measurement position will not be affected when the measuring instrument is moved.

[0066] Example 3

[0067] Reference Figure 1 - Figure 3 .

[0068] A locking mechanism 8 is provided between the supporting wheel 6 and the housing 1 to fix the relative distance between the clamping frame 4 and the housing 1 in the vertical direction.

[0069] Specifically, the support wheel 6 is slidably connected to the housing 1 to form a second sliding direction parallel to the height direction of the rail 02. The locking mechanism 8 includes an abutting bolt 81, a threaded hole 82 passing through the top of the housing 1, and a locking nut 83 provided on the top wall of the housing 1. When in use, the locking nut 83 is first loosened to clamp the clamping side wheel 5 to the rail 02, and then the abutting bolt 81 is rotated. The abutting bolt 81 and the threaded hole 82 gradually abut the support wheel 6 through threaded engagement. After the support wheel 6 abuts the top surface 021 of the rail 02, the housing 1 will be lifted by the abutting bolt 81, so that the housing 1 and the positioning wheel 7 in the clamping frame 4 gradually abut the lower side wall 023 of the rail 02. The positioning wheel 7 is used as a positioning reference to determine the measurement position of the side wear. The positioning wheel 7 and the laser wear sensor are both fixedly provided in the housing 1. When the position of the positioning wheel 7 is determined, the position of the laser wear sensor is also determined.

[0070] This embodiment no longer uses the support wheel 6 as the positioning reference for the measurement position of the side wear of the rail 02. This is because after adding the positioning wheel 7, when the clamping side wheels 5 on both sides approach each other to clamp the rail 02, they are easily interfered with by the distance between the positioning wheel 7 and the support wheel 6, resulting in the clamping side wheels 5 not being able to fit the side wall surface 022 of the rail 02, and thus unable to ensure the measurement position of the top wear of the rail 02. In this embodiment, the clamping side wheels 5 are first clamped to the side wall surface 022 of the rail 02 to complete the positioning of the top wear measurement position, and then the positioning wheel 7 is clamped to complete the positioning of the side wear measurement position.

[0071] Example 4

[0072] Reference Figure 1 、 Figure 2 、 Figure 4 .

[0073] Including, the support wheel 6 is slidably connected to the housing 1 to form a second sliding direction parallel to the height direction of the rail 02;

[0074] An elastic member is provided between the support wheel 6 and the housing 1 , and the elastic member enables the support wheel 6 to abut against the upper surface of the rail 02 .

[0075] This embodiment provides another structural design to avoid interference between the supporting wheel 6 and the positioning wheel 7 .

[0076] During the installation of the measuring instrument, after opening the clamping side wheels 5 and the positioning wheels 7 on both sides, the support wheel 6 is pressed against the top surface 021 of the rail 02, and the second elastic member 61 is compressed to increase the distance between the support wheel 6 and the positioning wheel 7. Then, the clamping side wheels 5 and the positioning wheels 7 on both sides are clamped, and the measuring instrument is pulled upward. The elastic force of the second elastic member 61 causes the positioning wheel 7 and the lower side wall 023 of the rail 02 to press against each other.

[0077] Example 5

[0078] Reference Figure 3 .

[0079] The data acquisition unit also includes a stroke monitoring sensor 23, which is connected to the rotating shaft of the support wheel 6 to record the number of movement circles of the support wheel 6. The stroke monitoring sensor 23 is communicatively connected to the data processing unit 3, and the data processing unit 3 calculates the movement distance of the measuring instrument based on the number of movement circles.

[0080] Example 6

[0081] Reference Figure 3 .

[0082] The measuring instrument of the present application further includes a vibration sensor 91 and a buzzer alarm 92 . The vibration sensor 91 is preset with a maximum amplitude value. When the vibration sensor 91 detects a vibration amplitude greater than the maximum amplitude value, the buzzer alarm 92 is activated.

[0083] During the measurement process, the measurement personnel may not always monitor the measurement instrument's condition. In special cases, such as severe scratches on Rail 02, this can cause a significant shift in the measurement position, leading to serious errors in the measurement data. When such scratches are detected, the measurement personnel should be promptly notified and recorded.

[0084] In this embodiment, a vibration sensor 91 is added. When the measuring instrument passes through the grooves and protrusions at the scratched position, the measuring instrument will vibrate much more than during normal movement. That is, when the vibration sensor 91 detects a vibration amplitude greater than the maximum amplitude value, the buzzer alarm 92 is activated to promptly remind the measurement personnel.

[0085] Example 7

[0086] Reference Figure 1 and Figure 5 .

[0087] The housing 1 is provided with a pull rod 01, which is L-shaped and divided into a long arm section 011 and a short arm section 012. An abutting pulley 013 is provided at the corner position of the pull rod 01, and the abutting pulley 013 abuts against the lower side wall 023 of the rail 02;

[0088] The end of the short arm section 012 is hinged to the front end surface of the housing 1, and the hinge axis is parallel to the first sliding direction;

[0089] The front end of the housing 1 is one end of the measuring instrument along the movement direction of the rail 02.

[0090] The rail 02 and the measuring instrument are both on the ground, at a very low height, making it inconvenient for the measuring staff to move the measuring instrument.

[0091] However, when a person is exercising, the position of their hand is much higher than that of the measuring instrument. Therefore, the pull rod 01 cannot be parallel to the horizontal plane, and the force exerted on the measuring instrument cannot be parallel to the horizontal plane. This will further increase the pressure of the positioning wheel 7 on the lower side wall 023 of the rail 02. This force is not controllable, and it is easy to damage the positioning wheel 7 or affect the positioning position of the measuring instrument by excessive force. In this embodiment, the pull rod 01 is L-shaped (not necessarily the turning angle of the pull rod 01 is a right angle); when the end of the short arm section 012 of the pull rod 01 is hinged to the housing 1, the person grasps the long arm section 011, and the turning angle is closer to the rail 02 than the hinged position. Furthermore, an abutting pulley 013 is provided at the turning angle. It can be understood that the abutting pulley 013 at least includes a bracket, and the bracket is fixed to the turning angle. There are at least two abutting pulleys 013, which are respectively provided on both sides of the rail 02, and the spacing between the two abutting pulleys 013 is adjustable. Manually expand the distance between the two abutment pulleys 013 so that the distance between the abutment pulleys 013 is larger than the width of the rail 02, and then fit the abutment pulleys 013 onto the rail 02. Then, reduce the distance between the abutment pulleys 013 to prevent the abutment pulleys 013 and the rail 02 from separating. The abutment pulleys 013 bear the upward force component, so that the direction of the tension on the measuring instrument is parallel to the extension direction of the track.

[0092] Specifically, one of the brackets for the pulleys 013 on either side is fixed to the pull rod 01 and has a bolt, while the other bracket for the pulleys 013 on the other side is provided with a slide slot, through which the bolt passes, and finally the two brackets are locked together by a nut. When the nut is loosened, the brackets for the pulleys 013 on either side can slide along the slide slot, thereby increasing the distance between the pulleys 013 on both sides.

[0093] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "center", "top", "bottom", "top", "bottom", "inside", "outside", "inner side", "outer side" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. Among them, "inside" refers to an internal or enclosed area or space. "Periphery" refers to the area surrounding a specific component or specific area.

[0094] In the description of the embodiments of the present invention, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first," "second," "third," or "fourth" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0095] In the description of the embodiments of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "install," "connect," "connect," and "assemble" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0096] In the description of the embodiments of the present invention, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0097] In describing the embodiments of the present invention, it should be understood that "-" and "~" represent two ranges of different values, and the ranges are inclusive. For example, "AB" represents a range greater than or equal to A and less than or equal to B. "A~B" represents a range greater than or equal to A and less than or equal to B.

[0098] In the description of the embodiments of the present invention, the term "and / or" is used herein to describe a relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Furthermore, the character " / " generally indicates that the associated objects are in an "or" relationship.

[0099] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous rail wear measuring instrument, characterized in that: include: case; A data acquisition unit and a data processing unit installed on the housing; A clamping frame slidably connected to the housing to form a first sliding direction parallel to the width direction of the rail; The clamping frame and the housing are both provided with clamping side wheels, and the clamping side wheels are tightly fitted on the side walls of both sides of the rail; A first elastic member is provided between the clamping frame and the housing, and the first elastic member applies a force parallel to the sliding direction between the clamping frame and the housing to make the clamping side wheels on both sides of the rail approach each other; A support wheel is provided between the clamping frame and the housing, and the support wheel abuts against the top surface of the rail; The data acquisition unit includes a top wear laser measuring device for detecting wear parameters of the rail top surface; Laser measuring device for measuring rail side wear.

2. A continuous rail wear measuring instrument according to claim 1, characterized in that: A plurality of guide portions are provided in the housing, and the guide portions engage the edges of the clamping frame so that the clamping frame has only one degree of freedom of displacement along the first sliding direction; The clamping frame is fixedly provided with a first handle, and the first handle is configured as a U-shape; The housing is provided with two guide holes and a U-shaped second handle; The two side arms of the first handle are arranged to pass through the guide hole. The middle portion of the first handle is located outside the shell and forms a ring structure with the second handle.

3. A continuous rail wear measuring instrument according to claim 2, characterized in that: A positioning wheel is provided below the clamping side wheel; The projections of the circumferential edge of the positioning wheel and the circumferential edge of the clamping side wheel toward the cross section of the rail form an angle a; the wall below the side wall of the rail is the lower side wall, and the side wall of the rail forms an angle b with the lower side wall; Angle a is equal to angle b.

4. A continuous rail wear measuring instrument according to claim 3, characterized in that: The support wheel is slidably connected to the housing to form a second sliding direction parallel to the height direction of the steel; A locking mechanism is provided between the supporting wheel and the housing to fix the relative distance between the clamping frame and the housing in the vertical direction.

5. A continuous rail wear measuring instrument according to claim 4, characterized in that: The locking mechanism includes an abutment bolt, a threaded hole passing through the top of the housing, and a locking nut provided on the top wall of the housing; The abutment bolt is arranged in the threaded hole, and the end of the abutment bolt abuts the support wheel. Rotating the abutment bolt controls the distance between the support wheel and the top of the shell so that the support wheel is away from or close to the top surface of the rail.

6. A continuous rail wear measuring instrument according to claim 3 or 5, characterized in that: The supporting wheel is slidably connected to the housing to form a second sliding direction parallel to the height direction of the rail; A second elastic member is provided between the supporting wheel and the housing, and the second elastic member enables the supporting wheel to abut against the upper surface of the rail.

7. The continuous rail wear measuring instrument according to claim 6, characterized in that: The data acquisition unit also includes a stroke monitoring sensor, which is connected to the rotating shaft of the support wheel and records the number of movement circles of the support wheel. The stroke monitoring sensor is communicatively connected to the data processing unit, and the data processing unit calculates the movement distance of the measuring instrument based on the number of movement circles.

8. The continuous rail wear measuring instrument according to claim 7, characterized in that: It also includes a vibration sensor and a buzzer alarm. When the vibration sensor is preset with a maximum amplitude value, the buzzer alarm is activated when the vibration sensor detects a vibration amplitude greater than the maximum amplitude value.

9. The continuous rail wear measuring instrument according to claim 8, characterized in that: The housing is provided with a pull rod, which is L-shaped and divided into a long arm section and a short arm section. An abutment pulley is provided at the corner position of the pull rod, and the abutment pulley abuts against the lower side wall of the rail; The end of the short arm section is hinged to the front end surface of the housing, and the hinge axis is parallel to the first sliding direction; The front end of the shell is one end of the measuring instrument along the moving direction of the rail.

10. The continuous rail wear measuring instrument according to claim 9, characterized in that: There are at least two abutting pulleys, which are respectively arranged on both sides of the rail, and the distance between the two abutting pulleys is adjustable.

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