Laser digital display measuring device for return rail

Abstract

The utility model provides a laser digital display measuring device used for a return rail, comprising a fixed support, the bottom of the fixed support is provided with rollers used for walking on the rail, one side of the fixed support is provided with a support frame with a chute, the support frame is slidingly connected with a mounting rack used for mounting a laser distance measuring sensor, and the mounting rack is provided with a laser distance measuring sensor. And a first laser distance measuring sensor for measuring the guide height of the return rail and a second laser distance measuring sensor for measuring the limit of the return rail are arranged on the mounting frame. The device is simple in structure, reasonable in design, convenient to use and accurate in measurement, and the guide height and the limit of the return rail can be measured at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of return rail parameter measurement, in particular to a laser digital display measuring device for a return rail. Background Art

[0002] At present, the technology of dedicated return rails for domestic urban rail transit has just started. The measurement of the limit and height parameters of the dedicated return rails is related to the precision control requirements for the installation of the dedicated return rails. The accuracy of the data is related to the stability of the operation of the dedicated return rails. If the parameters do not meet the design requirements, it will easily cause the dedicated return rails to wear faster or cause quality accidents.

[0003] The existing measuring devices are inconvenient to use, have low measuring accuracy and cannot meet actual use needs. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a laser digital display measuring device for a return rail, which can simultaneously measure the guide height and limit of the return rail, is easy to use, and has accurate measurement.

[0005] The utility model provides a technical solution: a laser digital display measuring device for a return rail, comprising a fixed bracket, a roller for walking on the rail is arranged at the bottom of the fixed bracket, a support frame with a slide groove is arranged on one side of the fixed bracket, a mounting frame for mounting a laser distance measuring sensor is slidably connected to the support frame, and a first laser distance measuring sensor for measuring the guide height of the return rail and a second laser distance measuring sensor for measuring the limit of the return rail are arranged on the mounting frame.

[0006] Furthermore, a battery, a switch box and a display are installed on the fixed bracket, the output end of the battery is connected to the input end of the switch box, the output end of the switch box is electrically connected to the first laser ranging sensor, the second laser ranging sensor and the display respectively, the first laser ranging sensor and the second laser ranging sensor are both connected to the display signal, and the data measured by the two laser ranging sensors are transmitted to the display for display and storage.

[0007] Furthermore, the fixed bracket includes a first support rod and a second support rod with guide grooves on the side. The fixed bracket is a cross-shaped bracket formed by detachably connecting the first support rod and the second support rod. The bottom of the first support rod and the second support rod are both provided with pulleys for fitting the side of the track.

[0008] Furthermore, the bottom of the first support rod is rotatably connected with three pulleys along its length direction, and two rollers are arranged at the bottom of the first support rod to support the fixed bracket to walk on the track.

[0009] Furthermore, the bottom of the second support rod is rotatably connected to a roller and a pulley respectively.

[0010] Furthermore, a handle is provided on the second support rod, and the support frame is vertically fixed to an end of the second support rod close to the first support rod.

[0011] Furthermore, the mounting frame includes a slider, a first fixing frame arranged on the left side of the slider, and a second fixing frame arranged at the bottom of the slider, the first laser ranging sensor is detachably mounted on the first fixing frame, and the second laser ranging sensor is detachably mounted on the second fixing frame.

[0012] Furthermore, the measuring device also includes an alarm, which is connected to the display and automatically issues an alarm when the values ​​measured by the first laser ranging sensor and the second laser ranging sensor exceed corresponding limit values.

[0013] Beneficial effects of the utility model:

[0014] (1) The first laser distance measuring sensor of the utility model emits laser downward to the top surface of the return rail, mainly measuring the guide height of the return rail, and the second laser distance measuring sensor emits laser to the left to the side of the return rail, mainly measuring the limit of the return rail. It can measure the guide height and limit at the same time, which is easy to use and more accurate.

[0015] (2) The data measured by the two sensors of the utility model are transmitted to the display for display and storage. The digital display reading is convenient. The display can show the guide height and limit of the return rail, and set the upper and lower limits of the guide height and limit of the return rail. If the limit is exceeded, an alarm will be sounded, and then the return rail will be readjusted according to the alarm position, thereby improving the efficiency of the return rail installation and adjustment.

[0016] (3) The utility model is provided with rollers that travel on the top surface of the track and pulleys that respectively adhere to the sides of the two rails, so that the travel is more stable and the measurement is convenient. In addition, the various components of the measuring device can be disassembled and assembled, which is convenient to carry and install. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the fixed bracket of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the support frame and the mounting frame of the utility model;

[0020] In the figure: 1—fixed bracket, 101—first support rod, 102—second support rod, 2—roller, 3—support frame, 4—mounting frame, 401—slider, 402—first fixed frame, 403—second fixed frame, 5—first laser ranging sensor, 6—second laser ranging sensor, 7—battery, 8—switch box, 9—display, 10—pulley, 11—handle. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with specific implementation methods, wherein the accompanying drawings are only used for exemplary descriptions and represent only schematic diagrams rather than actual drawings, and should not be understood as limiting the present invention. In order to better illustrate the specific implementation methods of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific implementation methods of the present invention, all other specific implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "front", "rear", "upper", "lower" and the like indicate directions or positional relationships based on the directions 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-3 A laser digital display measuring device for a return rail is shown, comprising a fixed bracket 1, a roller 2 for walking on the track is arranged at the bottom of the fixed bracket 1, a support frame 3 with a slide groove is arranged on one side of the fixed bracket 1, a mounting frame 4 for mounting a laser ranging sensor is slidably connected to the support frame 3, and a first laser ranging sensor 5 for measuring the guide height of the return rail and a second laser ranging sensor 6 for measuring the limit of the return rail are arranged on the mounting frame 4.

[0025] A battery 7, a switch box 8 and a display 9 are installed on the fixed bracket 1. The output end of the battery 7 is connected to the input end of the switch box 8. The output end of the switch box 8 is electrically connected to the first laser ranging sensor 5, the second laser ranging sensor 6 and the display 9 respectively to provide power for the laser ranging sensor and the display. The first laser ranging sensor 5 and the second laser ranging sensor 6 are both connected to the display 9 signal, and the data measured by the two laser ranging sensors are transmitted to the display 9 for display and storage.

[0026] The fixed bracket 1 includes a first support rod 101 and a second support rod 102 with guide grooves on the side. The fixed bracket is a cross-shaped bracket formed by detachably connecting the first support rod 101 and the second support rod 102. The bottoms of the first support rod 101 and the second support rod 102 are both provided with pulleys 10 for fitting the side of the track. The first support rod 101 and the second support rod 102 are fixed in the corresponding guide grooves by connecting members and bolts.

[0027] The bottom of the first support rod 101 is rotatably connected to three pulleys 10 along its length direction, and two rollers 2 are provided at the bottom of the first support rod 101, which are used to support the fixed bracket 1 to walk on the track. The bottom of the second support rod 102 is rotatably connected to a roller 2 and a pulley 10 respectively. The second support rod 102 is provided with a handle 11, and the support frame 3 is vertically fixed to one end of the second support rod 102 close to the first support rod 101. The support frame 3 and the second support rod 102 are detachably fixed.

[0028] The mounting frame 4 includes a slider 401, a first fixing frame 402 arranged on the left side of the slider 401, and a second fixing frame 403 arranged at the bottom of the slider 401. The first laser ranging sensor 5 can be detachably mounted on the first fixing frame 402, and the second laser ranging sensor 6 can be detachably mounted on the second fixing frame 403.

[0029] The measuring device further comprises an alarm, which is connected to the display 9 and automatically issues an alarm when the values ​​measured by the first laser distance measuring sensor 5 and the second laser distance measuring sensor 6 exceed the corresponding limit values.

[0030] When the utility model is used, the device can move freely on the track. The first laser distance sensor emits laser downward to the top surface of the return rail, mainly measuring the return rail guide height. The measured data is transmitted to the display for display and storage. The second laser distance sensor emits laser to the left to the side of the return rail, mainly measuring the return rail limit. The measured data is transmitted to the display for display and storage. The display can display the guide height and limit of the return rail, and set the upper and lower limits of the guide height and limit of the return rail. If the limit is exceeded, an alarm will be issued.

[0031] When the device is moving on the track, it can measure and display the pull-out value of the return rail at each position. If the limit is exceeded, an alarm will be automatically triggered, and then the return rail will be readjusted according to the alarm position. The digital display reading of the device is convenient for on-site measurement and adjustment, and the measurement is more accurate, which improves the efficiency of return rail installation and adjustment.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laser digital display measuring device for return rail, characterized in that: The invention comprises a fixed bracket (1), wherein a roller (2) for walking on a track is arranged at the bottom of the fixed bracket (1), a support bracket (3) with a slide groove is arranged on one side of the fixed bracket (1), a mounting bracket (4) for mounting a laser distance measuring sensor is slidably connected to the support bracket (3), and a first laser distance measuring sensor (5) for measuring the guide height of the return rail and a second laser distance measuring sensor (6) for measuring the limit of the return rail are arranged on the mounting bracket (4).

2. A laser digital display measuring device for return rail according to claim 1, characterized in that: A battery (7), a switch box (8) and a display (9) are installed on the fixed bracket (1); an output end of the battery (7) is connected to an input end of the switch box (8); an output end of the switch box (8) is electrically connected to a first laser distance measuring sensor (5), a second laser distance measuring sensor (6) and a display (9) respectively; the first laser distance measuring sensor (5) and the second laser distance measuring sensor (6) are both signal-connected to the display (9); data measured by the two laser distance measuring sensors are transmitted to the display (9) for display and storage.

3. A laser digital display measuring device for return rail according to claim 1, characterized in that: The fixed bracket (1) comprises a first support rod (101) and a second support rod (102) with guide grooves on the side surfaces. The fixed bracket (1) is a cross-shaped bracket formed by detachably connecting the first support rod (101) and the second support rod (102). The bottoms of the first support rod (101) and the second support rod (102) are both provided with pulleys (10) for fitting against the side surfaces of the track.

4. A laser digital display measuring device for return rail according to claim 3, characterized in that: The bottom of the first support rod (101) is rotatably connected to three pulleys (10) along its length direction, and two rollers (2) are arranged at the bottom of the first support rod (101) for supporting the fixed bracket (1) to move on the track.

5. The laser digital display measuring device for return rail according to claim 3, characterized in that: The bottom of the second support rod (102) is rotatably connected to a roller (2) and a pulley (10) respectively.

6. A laser digital display measuring device for return rail according to claim 3, characterized in that: The second support rod (102) is provided with a handle (11), and the support frame (3) is vertically fixed to an end of the second support rod (102) close to the first support rod (101).

7. A laser digital display measuring device for return rail according to claim 1, characterized in that: The mounting frame (4) comprises a slider (401), a first fixing frame (402) arranged on the left side of the slider (401), and a second fixing frame (403) arranged at the bottom of the slider (401); the first laser distance measuring sensor (5) is detachably mounted on the first fixing frame (402), and the second laser distance measuring sensor (6) is detachably mounted on the second fixing frame (403).

8. The laser digital display measuring device for return rail according to claim 1, characterized in that: The measuring device also includes an alarm, which is connected to a display (9) and automatically issues an alarm when the values ​​measured by the first laser distance measuring sensor (5) and the second laser distance measuring sensor (6) exceed corresponding limit values.

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