Telescopic measuring arm for track geometric state monitoring
By designing a three-stage sleeve structure and modular components for a telescopic measuring arm, the problem of traditional track measuring equipment being unable to adapt to different track gauges was solved, achieving flexible adaptability and efficient maintenance of the equipment, and improving measurement accuracy and work efficiency.
Patent Information
- Application Number
- CN202520529874.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Traditional track measurement equipment is large in size and complex to operate, and cannot flexibly adapt to different track gauges, which increases maintenance costs and operational difficulty.
A telescopic measuring arm was designed, which adopts a three-stage sleeve structure. The modular assembly is formed by the mounting sleeve, the first and second telescopic rods, and the length adjustment and quick fixation are achieved by using the fastening sleeve and the guide pair of the slide and the slide bar, so as to ensure the stability and adaptability of the measuring arm.
It achieves flexible adaptation to different track gauges, reduces maintenance costs, improves measurement accuracy and work efficiency, and is suitable for narrow environments.
Smart Images
Figure CN223949154U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of track measurement, and particularly relates to a telescopic measuring arm for track geometric state monitoring. BACKGROUND
[0002] The geometric state of a railway track directly affects the safe operation of a train and the comfort of passengers. Geometric parameters of the track, such as track gauge, levelness, and height difference, must be kept within a specified range to ensure the safety and stability of train travel. Traditional track measurement equipment is usually large in size, complex to operate, and needs to be adjusted or different equipment needs to be used when facing different track gauges, which not only increases the operation difficulty but also increases the maintenance cost.
[0003] Traditional equipment is often designed for a specific track gauge and cannot flexibly adapt to the needs of multiple track gauges. The overall structure is complex, and it is difficult to disassemble and maintain, which increases the maintenance cost. SUMMARY
[0004] (I) Technical problems solved
[0005] In view of the deficiencies of the prior art, the application provides a telescopic measuring arm for track geometric state monitoring.
[0006] (II) Technical solutions
[0007] To solve the above problems, the application provides the following technical solutions: a telescopic measuring arm for track geometric state monitoring, comprising a mounting cylinder, one end of the mounting cylinder is sleeved with a rail measuring instrument for measuring the track, the other end of the mounting cylinder is internally sleeved with a first telescopic rod, the inside of the first telescopic rod is internally sleeved with a second telescopic rod, and the other end of the second telescopic rod is sleeved with a mounting plate.
[0008] The inner diameter of the mounting cylinder is greater than the inner diameter of the first telescopic rod, so that the first telescopic rod can slide and extend inside the mounting cylinder; the inner diameter of the first telescopic rod is greater than the outer diameter of the second telescopic rod, so that the second telescopic rod can slide and extend inside the first telescopic rod.
[0009] One end of the mounting cylinder connected with the first telescopic rod is provided with a fastening sleeve, the inner diameter of the fastening sleeve is the same as the inner diameter of the mounting cylinder, and the first telescopic rod is fixed at one end of the mounting cylinder; one end of the first telescopic rod connected with the second telescopic rod is provided with another fastening sleeve, the inner diameter of the other fastening sleeve is the same as the inner diameter of the first telescopic rod, and the second telescopic rod is fixed at one end of the first telescopic rod.
[0010] Preferably, the first telescopic rod and the second telescopic rod are provided with a sliding groove, the inner side of the mounting cylinder and the first telescopic rod are provided with a sliding strip, the sliding strip in the mounting cylinder matches the sliding groove in the first telescopic rod, and the sliding strip in the first telescopic rod matches the sliding groove in the second telescopic rod.
[0011] Preferably, a groove is formed above the fastening sleeve, the groove is in communication with the inside of the fastening sleeve, and a pressing block is arranged in the groove.
[0012] Preferably, the pressing block is in the form of a boss, the lower side of the pressing block matches the inside of the sliding groove, the pressing block is pressed downward to increase the friction with the inside of the sliding groove, and the first telescopic rod and the second telescopic rod are fixed in the mounting cylinder and the first telescopic rod, respectively.
[0013] Preferably, the upper end of the fastening sleeve is provided with two mounting ears, a connecting rod is arranged between the two mounting ears, the connecting rod is located above the pressing block, a compression roller is rotatably connected to the connecting rod, and an eccentric hole is arranged eccentrically on the compression roller.
[0014] Preferably, the compression roller is located above the pressing block, a pressing plate is arranged on the compression roller, the pressing plate is rotated to drive the compression roller to rotate, the compression roller is eccentrically rotated on the connecting rod, and the pressing block is pressed downward.
[0015] Preferably, the first telescopic rod and the second telescopic rod are provided with scales for measuring the telescopic length of the first telescopic rod and the second telescopic rod.
[0016] Preferably, the side, where the rail measuring instrument is connected to the mounting cylinder, is provided with a first mounting sleeve, the mounting cylinder is sleeved in the first mounting sleeve, and the rail measuring instrument is mounted at one end of the mounting cylinder.
[0017] Preferably, the side, where the mounting plate is connected to the second telescopic rod, is fixedly provided with a second mounting sleeve, the second telescopic rod is sleeved in the second mounting sleeve, and the other side of the mounting plate is rotatably connected to a rotating shaft.
[0018] Preferably, the bottom of the rotating shaft is in contact with one side of the track, the bottom of the rail measuring instrument is in contact with the other side of the track, and the bottom of the rotating shaft and the bottom of the rail measuring instrument are located at the same horizontal position.
[0019] (Three) beneficial effects
[0020] Compared with the prior art, the application provides a telescopic measuring arm for monitoring the geometric state of a track, which has the following beneficial effects:
[0021] 1. The telescopic measuring arm for track geometry state monitoring, which forms a three-stage sleeve structure through the installation cylinder, the first telescopic rod and the second telescopic rod, can flexibly adjust the length according to actual needs, is suitable for measurement tasks of different track gauges, and improves the universality and adaptability of the equipment.
[0022] 2. The telescopic measuring arm for track geometry state monitoring, which is modularly designed so that each component can be quickly disassembled and replaced, reduces the maintenance cost, simultaneously reduces the occupied space, and is suitable for use in narrow working environments.
[0023] 3. The telescopic measuring arm for track geometry state monitoring, which forms a guide pair through the sliding groove and the sliding bar, limits the telescopic rod to slide only in the axial direction, prevents rotation or deviation, ensures the linear telescoping of the measuring arm, enhances the telescoping stability, avoids shaking during the measurement, and improves the measurement accuracy.
[0024] 4. The telescopic measuring arm for track geometry state monitoring, which is designed with the fastening sleeve so that the user can realize the quick fixing or releasing of the telescopic rod through simple rotating operation, simplifies the operation process, and improves the work efficiency.
[0025] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS
[0026] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings.
[0027] Fig. 1 FIG. 1 is a structural schematic diagram of a telescopic measuring arm for track geometry state monitoring according to the present application;
[0028] Fig. 2 FIG. 2 is a structural schematic diagram of telescopic rod sleeve connection according to the present application;
[0029] Fig. 3 FIG. 3 is a structural schematic diagram of a fastening sleeve according to the present application.
[0030] FIG. 1 is a structural schematic diagram of a telescopic measuring arm for track geometry state monitoring according to the present application; DETAILED DESCRIPTION
[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts are within the scope of the present application.
[0032] The terms "first", "second" in the description and claims of the present application can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally means that the front and rear associated objects are in an "or" relationship.
[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0034] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0035] Please refer to Figs. 1-3 The present application provides a new technical solution: a telescopic measuring arm for track geometric state monitoring, comprising a mounting cylinder 200, one end of the mounting cylinder 200 is sleeved with a steel rail measuring instrument 100, which is used for measuring the track, the other end of the mounting cylinder 200 is internally sleeved with a first telescopic rod 201, the inside of the first telescopic rod 201 is internally sleeved with a second telescopic rod 202, the other end of the second telescopic rod 202 is sleeved with a mounting plate 400;
[0036] The inner diameter of the mounting cylinder 200 is greater than the inner diameter of the first telescopic rod 201, so that the first telescopic rod 201 can slide in the mounting cylinder 200; the inner diameter of the first telescopic rod 201 is greater than the outer diameter of the second telescopic rod 202, so that the second telescopic rod 202 can slide in the first telescopic rod 201;
[0037] One end of the mounting cylinder 200 connected with the first telescopic rod 201 is provided with a fastening sleeve 300, the inner diameter of the fastening sleeve 300 is the same as the inner diameter of the mounting cylinder 200, so that the first telescopic rod 201 can be fixed at one end of the mounting cylinder 200; one end of the first telescopic rod 201 connected with the second telescopic rod 202 is provided with another fastening sleeve 300, the inner diameter of the other fastening sleeve 300 is the same as the inner diameter of the first telescopic rod 201, so that the second telescopic rod 202 can be fixed at one end of the first telescopic rod 201.
[0038] In use, the three-level sleeve structure formed by the mounting cylinder 200, the first telescopic rod 201 and the second telescopic rod 202 can realize length adjustment, the mounting cylinder and the telescopic rod are fixed through the fastening sleeve 300, the sliding pair is formed by the difference in the inner diameter of the sleeve, and the telescopic function is realized. The multi-stage telescopic design is suitable for different track gauges, improves the universality, the modular structure is convenient to disassemble and maintain, reduces the maintenance cost, the sleeve nested design reduces the occupied space, and is suitable for narrow working environment.
[0039] In some embodiments, the first telescopic rod 201 and the second telescopic rod 202 are both provided with a sliding groove 203, and the inner sides of the mounting cylinder 200 and the first telescopic rod 201 are both provided with a sliding strip 204; the sliding strip 204 arranged in the mounting cylinder 200 matches the sliding groove 203 arranged on the first telescopic rod 201, and the sliding strip 204 arranged in the first telescopic rod 201 matches the sliding groove 203 arranged on the second telescopic rod 202.
[0040] The sliding groove 203 and the sliding strip 204 form a guide pair to limit the telescopic rod to slide only in the axial direction. The sliding strip 204 is embedded in the sliding groove 203 to prevent the telescopic rod from rotating or deviating, and to ensure that the measuring arm telescopes linearly. The guide structure enhances the telescopic stability and avoids shaking during measurement.
[0041] In some embodiments, a recess 303 is arranged above the fastening sleeve 300, the recess 303 penetrates the inside of the fastening sleeve 300, and a pressing block 304 is arranged in the recess 303.
[0042] In this embodiment, the pressing block 304 is in the form of a boss, the lower side of the pressing block 304 matches the inside of the sliding groove 203, and the pressing block 304 is pressed downward to increase the friction with the inside of the sliding groove 203, so as to fix the first telescopic rod 201 and the second telescopic rod 202 in the mounting cylinder 200 and the first telescopic rod 201 respectively.
[0043] In use, the pressing block 304 is clamped with the sliding groove 203 through the groove 303, the contact area is increased after being pressed down, and the telescopic rod is fixed by using the friction force. Quick fixing or releasing can be realized.
[0044] In some embodiments, the upper end of the fastening sleeve 300 is provided with two mounting ears 301, a connecting rod 302 is arranged between the two mounting ears 301, the connecting rod 302 is located above the pressing block 304, a compression roller 305 is rotatably connected to the connecting rod 302, and an eccentric hole 306 is arranged eccentrically on the compression roller 305 for rotatably connecting the compression roller 305 to the connecting rod 302.
[0045] In this embodiment, the compression roller 305 is located above the pressing block 304, a pressing plate 307 is arranged on the compression roller 305, the pressing plate 307 is rotated to drive the compression roller 305 to rotate, and the compression roller 305 is eccentrically rotated on the connecting rod 302 to press the pressing block 304 downward.
[0046] In use, the compression roller 305 is rotatably connected to the connecting rod 302 through the eccentric hole 306, when the pressing plate 307 is rotated, the eccentric design converts the rotary motion into the vertical displacement of the pressing block 304, and the pressing block 304 can be quickly pressed or released.
[0047] In some embodiments, the first telescopic rod 201 and the second telescopic rod 202 are both provided with scales 500 for measuring the telescopic length of the first telescopic rod 201 and the second telescopic rod 202. The scales 500 are marked on the surface of the telescopic rod, the telescopic length is determined by observing the position of the scale line, and quantitative adjustment is realized.
[0048] In some embodiments, the side, where the rail measuring instrument 100 is connected with the mounting cylinder 200, is provided with a first mounting sleeve 101, and the mounting cylinder 200 is sleeved inside the first mounting sleeve 101 to enable the rail measuring instrument 100 to be mounted at one end of the mounting cylinder 200.
[0049] In this embodiment, the side, where the mounting plate 400 is connected with the second telescopic rod 202, is fixedly provided with a second mounting sleeve 401, and the second telescopic rod 202 is sleeved inside the second mounting sleeve 401; the other side of the mounting plate 400 is rotatably connected with a rotating shaft 402 through the rotating shaft.
[0050] In some embodiments, the bottom of the rotating shaft 402 is in contact with one side rail, the bottom of the rail measuring instrument 100 is in contact with the other side rail, and the bottom of the rotating shaft 402 and the bottom of the rail measuring instrument 100 are located at the same horizontal position. The bottom of the rotating shaft 402 and the bottom of the rail measuring instrument 100 are located at the same horizontal plane, which ensures that the measuring arm is horizontal and eliminates the inclination error caused by gravity.
[0051] Working principle: a telescopic measuring arm for track geometric state monitoring, when in use, the rail measuring instrument 100 is sleeved on one end of the installation cylinder 200 through the first mounting sleeve 101, the second mounting sleeve 401 of the mounting plate 400 is sleeved on the end of the second telescopic rod 202, and the rotating shaft 402 is placed on one side of the track top surface; unlock the fastening sleeve 300, slide the first telescopic rod 201 and the second telescopic rod 201 to the target length; rotate the pressing plate 307, drive the eccentric rotation of the pressing roller 305, drive the pressing block 304 to press down to the sliding groove 203, and fix the telescopic rod by using the friction force, complete the three-stage sleeve locking; the rail measuring instrument 100 contacts the other side of the track, the rotating shaft 402 and the bottom of the rail measuring instrument 100 are kept horizontal, forming a stable support, and the track gauge, level and other geometric parameters are obtained through the rail measuring instrument 100.
[0052] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "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. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0053] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A telescopic measuring arm for track geometry monitoring, characterized in that The utility model provides a rail measuring device, including installation cylinder, one end of installation cylinder is sleeved with rail measuring device for track measurement, the inside of other end of installation cylinder is slidably sleeved with first telescopic link, the inside of first telescopic link is slidably sleeved with second telescopic link, and one end of second telescopic link is sleeved with mounting plate; The inner diameter of the installation cylinder is larger than the inner diameter of the first telescopic link, allowing the first telescopic link to slide within the installation cylinder. The inner diameter of the first telescopic link is larger than the outer diameter of the second telescopic link, allowing the second telescopic link to slide within the first telescopic link. One end of the installation cylinder connected with the first telescopic link is provided with a fastening sleeve having the same inner diameter as the installation cylinder, allowing the first telescopic link to be fixed at one end of the installation cylinder. The other end of the first telescopic link connected with the second telescopic link is provided with another fastening sleeve having the same inner diameter as the first telescopic link, allowing the second telescopic link to be fixed at one end of the first telescopic link.
2. The telescopic measuring arm for track geometry monitoring according to claim 1, characterized in that, Both the first telescopic link and the second telescopic link are provided with sliding grooves, and the inner sides of the installation cylinder and the first telescopic link are provided with sliding strips. The sliding strips provided in the installation cylinder match the sliding grooves provided in the first telescopic link, and the sliding strips provided in the first telescopic link match the sliding grooves provided in the second telescopic link.
3. The telescopic measuring arm for track geometry monitoring according to claim 1, characterized in that, A groove is provided above the fastening sleeve, which is connected with the inside of the fastening sleeve. A pressing block is provided inside the groove.
4. The telescopic measuring arm for track geometry monitoring according to claim 3, characterized in that, The pressing block is provided in the form of a boss, and the lower side of the pressing block matches the inside of the sliding groove. The pressing block is pressed downward to increase the friction with the inside of the sliding groove, allowing the first telescopic link and the second telescopic link to be fixed within the installation cylinder and the first telescopic link, respectively.
5. The telescopic measuring arm for track geometry monitoring according to claim 1, characterized in that, The upper end of the fastening sleeve is provided with two mounting ears, and a connecting rod is provided between the two mounting ears. The connecting rod is located above the pressing block, and a compression roller is rotatably connected to the connecting rod. An eccentric hole is eccentrically provided on the compression roller, allowing the compression roller to be rotatably connected to the connecting rod.
6. The telescopic measuring arm for track geometry monitoring according to claim 5, characterized in that, The compression roller is located above the pressing block, and a pressing plate is provided on the compression roller. Rotating the pressing plate drives the compression roller to rotate. The compression roller rotates eccentrically on the connecting rod, allowing the pressing block to be pressed downward.
7. The telescopic measuring arm for track geometry monitoring according to claim 1, characterized in that, Both the first telescopic link and the second telescopic link are provided with scales, allowing the extension lengths of the first telescopic link and the second telescopic link to be measured.
8. The telescopic measuring arm for track geometry monitoring according to claim 1, characterized in that, The side of the rail measuring device connected with the installation cylinder is provided with a first mounting sleeve, and the installation cylinder is sleeved inside the first mounting sleeve, allowing the rail measuring device to be installed at one end of the installation cylinder.
9. The telescopic measuring arm for track geometry monitoring according to claim 1, characterized in that, The side of the mounting plate connected with the second telescopic link is fixedly provided with a second mounting sleeve, and the second telescopic link is sleeved inside the second mounting sleeve. The other side of the mounting plate is rotatably connected with a rotating shaft.
10. The telescopic measuring arm for track geometry monitoring according to claim 9, characterized in that, The bottom of the rotating shaft is in contact with one side of the track, and the bottom of the rail measuring device is in contact with the other side of the track. The bottom of the rotating shaft and the bottom of the rail measuring device are located at the same horizontal position.