Limit measuring device

Abstract

The utility model relates to the technical field of limit measurement, and particularly discloses a limit measuring device, which comprises a cross beam, a limit measuring rod, a limit measuring rod, a limit measuring rod and a limit measuring rod, and is characterized in that one end of the cross beam is provided with a positioning assembly; the horizontal adjusting assembly is arranged at one end, far away from the positioning assembly, of the cross beam; the height adjusting assembly is arranged on the cross beam; the distance measuring sensor is arranged on the height adjusting assembly, and the height adjusting assembly is used for adjusting the position of the distance measuring sensor. The gauge measuring device has the advantage of being capable of efficiently measuring the gauge of the contact rail equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of limit measurement, in particular to a limit measurement device. Background Art

[0002] In the urban rail transit industry, in order to ensure the safe operation of trains on the line and prevent trains from colliding with buildings and equipment on adjacent lines, no building, equipment or facility can exceed the limit.

[0003] In subway operation and maintenance, the contact network professional field has not yet introduced advanced electronic instruments and equipment dedicated to measuring equipment limits. Since contact network equipment is widely distributed throughout the subway line, the operation stage involves the disassembly, installation, and adjustment of equipment. The equipment limits are related to the safe operation of trains, and limit measurement is of vital importance to contact network equipment. There is currently a lack of special tools for limit measurement of collector shoe protective covers, power cables, positioning devices, etc. Taking the collector shoe protective cover as an example, the traditional measurement method relies on a square steel, a plumb line, and a tape measure for measurement, which requires two people to work together. This manual measurement method has many inconveniences, the measurement process is cumbersome, and manual operation is prone to relatively large errors. In sections with limited space, the size of the error is directly related to the safety of operation. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a clearance measuring device, which has the advantage of being able to efficiently measure the clearance of contact rail equipment.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A limit measuring device, comprising:

[0007] A crossbeam, one end of which is provided with a positioning assembly;

[0008] A horizontal adjustment component, the horizontal adjustment component is arranged at an end of the beam away from the positioning component;

[0009] A height adjustment component, wherein the height adjustment component is arranged on the crossbeam;

[0010] A distance measuring sensor is arranged on the height adjustment component, and the height adjustment component is used to adjust the position of the distance measuring sensor.

[0011] Compared with the prior art, the present application can ensure that the crossbeam is installed perpendicular to the rail through the setting of the positioning component and the horizontal adjustment component, thereby ensuring the accuracy of the measurement. Secondly, by setting the ranging sensor on the height adjustment component, it can meet the needs of different measurement heights, effectively improve the stability and applicability of the measurement, reduce human operation errors, and improve measurement efficiency.

[0012] As a preferred solution of the utility model, the positioning component includes:

[0013] A positioning beam, the positioning beam being arranged at one end of the cross beam;

[0014] At least two positioning and fixing seats, wherein the positioning and fixing seats are arranged on the positioning beam;

[0015] At least two positioning members are disposed through the positioning fixing seat, all the positioning members are located on the same straight line, and the straight line on which all the positioning members are located is perpendicular to the crossbeam.

[0016] By adopting the above solution, the design of the positioning beam, the positioning fixing seat and the positioning member ensures that the crossbeam can be installed perpendicular to the rail, thereby improving the accuracy of the measurement.

[0017] As a preferred solution of the utility model, a first horizontal bubble bead is arranged on the positioning beam.

[0018] With the above solution, the provision of the first horizontal bubble bead facilitates the inspection and adjustment of the horizontality of the positioning beam, further ensuring the accuracy of the measurement.

[0019] As a preferred solution of the utility model, the horizontal adjustment assembly includes an adjusting screw, which passes through the crossbeam and is threadedly connected to the crossbeam. An adjusting knob is provided at one end of the adjusting screw, and a foot is provided at the other end.

[0020] By adopting the above scheme, the adjustment knob is turned to rotate the adjustment screw, thereby adjusting the position of the foot in the vertical direction, so as to adjust the horizontality of the beam and ensure the reference level during measurement.

[0021] As a preferred solution of the utility model, the height adjustment component includes:

[0022] Fixed seat;

[0023] An adjusting column, wherein the adjusting column is arranged on the fixing seat;

[0024] A mounting seat is slidably arranged on the adjusting column, and the distance measuring sensor is arranged on the mounting seat.

[0025] By adopting the above-mentioned solution, through the arrangement of the fixed column, the adjustment column and the mounting seat, the position of the distance measuring sensor can be adjusted by adjusting the position of the mounting seat on the adjustment column, thereby adapting to the measurement requirements of different heights.

[0026] As a preferred solution of the utility model, the top wall of the fixing seat is provided with a first limiting groove, the bottom wall of the adjusting column is provided with a limiting protrusion, and the adjusting column is arranged on the fixing seat through the cooperation between the first limiting groove and the limiting protrusion.

[0027] By adopting the above solution, the matching design of the first limiting groove and the limiting protrusion ensures the stable installation of the adjustment column on the fixing seat, thereby increasing the reliability of the device.

[0028] As a preferred solution of the utility model, a second limiting groove is provided on the back of the mounting seat, a limiting convex strip is provided on a side of the adjustment column close to the mounting seat, and the mounting seat is arranged on the adjustment column through the cooperation of the limiting convex strip and the second limiting groove.

[0029] With the above solution, the matching design of the second limiting groove and the limiting convex strip ensures stable sliding of the mounting seat on the adjusting column, thereby preventing the mounting seat from accidentally falling off during use.

[0030] As a preferred solution of the utility model, the side wall of the mounting seat is provided with an adjusting bolt, the adjusting bolt passes through the side wall of the mounting seat and is threadedly connected to the mounting seat, one end of the adjusting bolt is provided with a fixing knob, and the other end abuts against the limiting convex strip.

[0031] With the above solution, the design of the adjustment bolt allows the user to adjust the position of the mounting base by fixing the knob, thereby accurately positioning the distance measuring sensor.

[0032] As a preferred solution of the utility model, a second horizontal bubble bead is arranged on the crossbeam.

[0033] With the above solution, the provision of the second level bubble bead facilitates the inspection and adjustment of the horizontality of the beam, further ensuring the accuracy of the measurement.

[0034] The above-mentioned limit measuring device has the following beneficial effects: through the cooperation of the positioning fixing seat and the positioning piece, it can ensure that the crossbeam can be installed perpendicular to the rail, and the horizontality of the crossbeam can be adjusted by rotating the adjusting screw, and the first horizontal bubble bead and the second horizontal bubble bead are respectively arranged on the positioning beam and the crossbeam, which can facilitate the inspection and adjustment of the horizontality of the crossbeam and the positioning beam to ensure the accuracy of the measurement; secondly, the mounting seat is installed on the adjusting column through the cooperation of the second limiting groove and the limiting convex strip, and the distance measuring sensor is arranged on the mounting seat, and the position of the distance measuring sensor can be adjusted by adjusting the position of the mounting seat on the adjusting column, which effectively improves the application scope of the limit measurement, reduces human operation errors, and improves the measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of the overall structure of a limit measurement device of the utility model;

[0036] Figure 2 It is a top view of a limit measuring device of the utility model;

[0037] Figure 3 This is a front view of a limit measuring device of the utility model;

[0038] Figure 4 for Figure 2 A local enlarged schematic diagram of the middle A;

[0039] Figure 5 for Figure 3 A partial enlarged schematic diagram of point B in the middle;

[0040] In the figure: 1. crossbeam; 2. positioning assembly; 21. positioning beam; 22. positioning fixing seat; 23. positioning piece; 3. level adjustment assembly; 31. adjusting screw; 32. adjusting knob; 33. foot; 4. height adjustment assembly; 41. fixing seat; 42. adjusting column; 43. mounting seat; 44. first limiting groove; 45. limiting protrusion; 46. second limiting groove; 47. limiting protrusion; 48. adjusting bolt; 49. fixing knob; 5. distance sensor; 6. first level bubble bead; 7. second level bubble bead.

[0041] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0043] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0044] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0045] The utility model provides a limit measuring device.

[0046] Reference Figure 1In one embodiment of the utility model, the limit measuring device includes: a beam 1, a horizontal adjustment component 3, a height adjustment component 4 and a distance sensor 5. A positioning component 2 is provided at one end of the beam 1, and a second horizontal bubble bead 7 is installed on the beam 1 by screws; the horizontal adjustment component 3 is arranged at the end of the beam 1 away from the positioning component 2; the height adjustment component 4 is arranged on the beam 1; the distance sensor 5 is arranged on the height adjustment component 4, and the height adjustment component 4 is used to adjust the position of the distance sensor 5. In this embodiment, the distance sensor 5 adopts a laser rangefinder. In some other embodiments, an ultrasonic rangefinder and an infrared rangefinder can also be used as the distance sensor 5 to achieve the purpose of limit measurement, which will not be repeated here. By setting the positioning component 2 and the horizontal adjustment component 3, it can be ensured that the beam 1 is installed perpendicular to the rail, thereby ensuring the accuracy of the measurement. Secondly, by setting the distance measuring sensor 5 on the height adjustment component 4, it can meet the needs of different measurement heights, effectively improve the stability and applicability of the measurement, reduce human operation errors, and improve measurement efficiency. The setting of the second horizontal bubble 7 facilitates the inspection and adjustment of the horizontality of the beam 1, further ensuring the accuracy of the measurement.

[0047] Reference Figure 1 In one embodiment, the positioning assembly 2 includes: a positioning beam 21, at least two positioning fixing seats 22 and at least two positioning members 23. The first horizontal bubble bead 6 is installed on the positioning beam 21 by screws. The positioning beam 21 is welded to one end of the beam 1. In some other embodiments, the positioning beam 21 can be installed on the beam 1 by hinges, and the positioning beam 21 can also be connected to the beam 1 by mortise and tenon connections. As long as the positioning beam 21 can be installed on the beam 1, the specific connection method between the positioning beam 21 and the beam 1 is not limited here; the positioning fixing seat 22 is installed on the positioning beam 21 by bolts; the positioning member 23 is arranged through the positioning fixing seat 22, and all the positioning members 23 are located on the same straight line, and the straight line where all the positioning members 23 are located is perpendicular to the beam 1. In this embodiment, the number of the positioning fixing seat 22 and the number of the positioning member 23 are both two, the positioning member 23 adopts a bolt, and a threaded hole is provided on the positioning fixing seat 22, and the bolt is arranged on the positioning fixing seat 22 by cooperating with the threaded hole. In some other embodiments, the number of the positioning fixing seat 22 can also be increased according to the actual measurement requirements, and the number of the positioning fixing seat 22 is not limited here, and the positioning member 23 can also adopt a positioning pin. The design of the positioning beam 21, the positioning fixing seat 22 and the positioning member 23 ensures that the crossbeam 1 can be installed perpendicular to the rail, thereby improving the accuracy of the measurement. The first horizontal bubble bead 6 can facilitate the inspection and adjustment of the horizontality of the positioning beam 21, further ensuring the accuracy of the measurement.

[0048] Reference Figure 3In one embodiment, the horizontal adjustment assembly 3 includes an adjustment screw 31, which is arranged through the beam 1 and is threadedly connected to the beam 1. An adjustment knob 32 is installed at one end of the adjustment screw 31 through a screw, and a foot 33 is installed at the other end through a screw. By turning the adjustment knob 32 to rotate the adjustment screw 31, the position of the foot 33 in the vertical direction is adjusted, and the horizontality of the beam 1 can be adjusted to ensure the reference level during measurement.

[0049] Reference Figure 2 , Figure 4 and Figure 5 In one embodiment, the height adjustment assembly 4 includes: a fixed seat 41, an adjustment column 42 and a mounting seat 43. The top wall of the fixed seat 41 is provided with a first limiting groove 44, and the bottom wall of the adjustment column 42 is welded with a limiting protrusion 45. The adjustment column 42 is installed on the fixed seat 41 through the cooperation between the first limiting groove 44 and the limiting protrusion 45. In some other embodiments, the adjustment column 42 and the limiting protrusion 45 are integrally formed. A second limiting groove 46 is provided on the back of the mounting seat 43. A limiting protrusion 47 is welded on a side of the adjustment column 42 close to the mounting seat 43. The mounting seat 43 is installed on the adjustment column 42 through the cooperation between the limiting protrusion 47 and the second limiting groove 46, and the mounting seat 43 can slide along the limiting protrusion 47. In some other embodiments, the adjustment column 42 and the limiting protrusion 47 are integrally formed. The distance sensor 5 is installed on the mounting seat 43 by screws. By setting the fixed column, the adjustment column 42 and the mounting seat 43, the position of the distance measuring sensor 5 can be adjusted by adjusting the position of the mounting seat 43 on the adjustment column 42, so as to adapt to the measurement requirements of different heights. The matching design of the first limiting groove 44 and the limiting protrusion 45 ensures the stable installation of the adjustment column 42 on the fixed seat 41, and increases the reliability of the device. The matching design of the second limiting groove 46 and the limiting protrusion 47 ensures the stable sliding of the mounting seat 43 on the adjustment column 42, and avoids the accidental falling off of the mounting seat 43 during use.

[0050] Reference Figure 4 In one embodiment, the side wall of the mounting seat 43 is provided with an adjusting bolt 48, which passes through the side wall of the mounting seat 43 and is threadedly connected to the mounting seat 43. A fixing knob 49 is installed at one end of the adjusting bolt 48 by a screw. The adjusting bolt 48 is rotated by rotating the fixing knob 49, so that the end of the adjusting bolt 48 away from the fixing knob 49 abuts against the limiting convex strip 47, thereby fixing the position of the mounting seat 43 on the limiting convex strip 47. The design of the adjusting bolt 48 allows the user to adjust the position of the mounting seat 43 by fixing the knob 49, thereby accurately positioning the distance measuring sensor 5.

[0051] By cooperating with the positioning fixing seat 22 and the positioning member 23, it can be ensured that the beam 1 can be installed perpendicular to the rail, and the horizontality of the beam 1 can be adjusted by rotating the adjusting screw 31, and the first horizontal bubble bead 6 and the second horizontal bubble bead 7 are respectively arranged on the positioning beam 21 and the beam 1, which can facilitate the inspection and adjustment of the horizontality of the beam 1 and the positioning beam 21 to ensure the accuracy of the measurement; secondly, the mounting seat 43 is installed on the adjusting column 42 through the cooperation of the second limiting groove 46 and the limiting convex strip 47, and the distance sensor 5 is arranged on the mounting seat 43, and the position of the distance sensor 5 can be adjusted by adjusting the position of the mounting seat 43 on the adjusting column 42, which effectively improves the application range of the limit measurement, reduces the human operation error, and improves the measurement efficiency.

[0052] The operating principle of the utility model is as follows:

[0053] Place the beam 1 lightly on the rail so that the positioning piece 23 is stuck on the inner side of the rail, adjust the positioning piece 23 and the adjusting screw 31 so that the bubbles in the first horizontal bubble bead 6 and the second horizontal bubble bead 7 are located in the center to ensure that the beam 1 is level, adjust the position of the distance sensor 5 by sliding the mounting seat 43 to ensure that the distance sensor 5 is aligned with the target of the device to be measured, then turn the fixing knob 49 to make the adjusting bolt 48 contact the limiting convex strip 47 to fix the position of the mounting seat 43, and the distance sensor 5 works to obtain accurate measurement results.

[0054] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A limit measurement device, characterized in that: include: A crossbeam, one end of which is provided with a positioning assembly; A horizontal adjustment component, the horizontal adjustment component is arranged at an end of the beam away from the positioning component; A height adjustment component, wherein the height adjustment component is arranged on the crossbeam; A distance measuring sensor is arranged on the height adjustment component, and the height adjustment component is used to adjust the position of the distance measuring sensor.

2. The clearance measuring device according to claim 1, characterized in that: The positioning component comprises: A positioning beam, the positioning beam being arranged at one end of the cross beam; At least two positioning and fixing seats, wherein the positioning and fixing seats are arranged on the positioning beam; At least two positioning members are disposed through the positioning fixing seat, all the positioning members are located on the same straight line, and the straight line on which all the positioning members are located is perpendicular to the crossbeam.

3. The clearance measuring device according to claim 2, characterized in that: The positioning beam is provided with a first horizontal bubble bead.

4. The clearance measuring device according to claim 1, characterized in that: The horizontal adjustment assembly includes an adjustment screw, which passes through the crossbeam and is threadedly connected to the crossbeam. An adjustment knob is provided at one end of the adjustment screw, and a foot is provided at the other end.

5. The clearance measuring device according to claim 1, characterized in that: The height adjustment assembly comprises: Fixed seat; An adjusting column, wherein the adjusting column is arranged on the fixing seat; A mounting seat is slidably arranged on the adjusting column, and the distance measuring sensor is arranged on the mounting seat.

6. The clearance measuring device according to claim 5, characterized in that: The top wall of the fixing seat is provided with a first limiting groove, the bottom wall of the adjusting column is provided with a limiting protrusion, and the adjusting column is arranged on the fixing seat through the cooperation between the first limiting groove and the limiting protrusion.

7. The clearance measuring device according to claim 5, characterized in that: A second limiting groove is arranged on the back side of the mounting seat, a limiting convex strip is arranged on a side of the adjusting column close to the mounting seat, and the mounting seat is arranged on the adjusting column through the cooperation between the limiting convex strip and the second limiting groove.

8. The clearance measuring device according to claim 7, characterized in that: The side wall of the mounting seat is provided with an adjusting bolt, the adjusting bolt passes through the side wall of the mounting seat and is threadedly connected with the mounting seat, one end of the adjusting bolt is provided with a fixing knob, and the other end abuts against the limiting convex strip.

9. The clearance measuring device according to claim 1, characterized in that: A second horizontal bubble bead is arranged on the crossbeam.

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