Intelligent measuring instrument for electrified railway clearance

Abstract

The utility model relates to the technical field of railway measuring instruments, and discloses an intelligent measuring instrument for an electrified railway clearance, which comprises a walking frame; the telescopic assembly and the adjusting assembly are installed on the walking frame, the telescopic assembly is arranged in the vertical direction, the fixed end of the telescopic assembly is connected with the adjusting assembly, and the adjusting assembly is used for driving the telescopic assembly to slide in the length direction of the walking frame; the laser range finder is mounted at the movable end of the telescopic assembly; the telescopic assembly, the adjusting assembly, the laser range finder and the power supply are electrically connected with the control unit. According to the utility model, the height of the laser range finder can be changed through the arrangement of the telescopic assembly, so that the clearance measurement work at different heights can be met, the clearance measurement requirements of passenger and freight railway platforms can also be met, and the application range of the laser range finder is widened.

Description

Technical Field

[0001] This utility model relates to the field of railway measuring instrument technology, and in particular to an intelligent measuring instrument for clearance of electrified railways. Background Technology

[0002] With the rapid development of electrified railways, the accuracy and safety of railway clearance measurements have become paramount. Traditional railway clearance measurement methods rely primarily on manual operation, which is not only time-consuming and labor-intensive but also susceptible to human error, resulting in low measurement accuracy. Furthermore, traditional methods are limited in application to complex terrain and harsh environments, failing to meet the demands of modern railway construction and maintenance. Therefore, developing an intelligent measurement instrument for electrified railway clearances is essential.

[0003] Several devices for measuring railway clearance have been proposed in the prior art. For example, patent CN218211199U discloses a railway platform clearance measuring device that uses a moving unit with a power wheel set and a steering wheel set to help the measuring instrument move automatically on the rails, eliminating the need for manual pushing and reducing workload. A laser rangefinder is mounted on a clamping base to determine the distance between the instrument and the platform.

[0004] However, this patent has the following drawbacks: Firstly, railway platforms are divided into passenger and freight railway platforms, and the laser rangefinder in this application cannot change its height, thus failing to achieve clearance measurement at different heights and cannot simultaneously meet the clearance measurement needs of both passenger and freight railway platforms, resulting in a smaller scope of application. Secondly, the horizontal clearance measurement is mainly carried out by measuring the distance between the platform edge and the track, usually using the midline between the platform edge and the two tracks as a reference. However, this application cannot guarantee that the initial point of the laser emitted by the laser rangefinder is located on the midline between the two tracks, nor can it guarantee that the emitted laser is perpendicular to the track, resulting in reduced accuracy of the measurement data.

[0005] Therefore, for those skilled in the art, improving the applicability of clearance measuring instruments and the accuracy of measurement data has become an urgent technical problem to be solved. Utility Model Content

[0006] The present invention aims to provide an intelligent measuring instrument for clearance of electrified railways to overcome the shortcomings mentioned above.

[0007] To achieve the above objectives, the technical solution of this utility model is: an intelligent measuring instrument for clearance of electrified railways, comprising:

[0008] Walking frame;

[0009] A telescopic component and an adjustment component mounted on the walking frame, the telescopic component is arranged in the vertical direction, the fixed end of the telescopic component is connected to the adjustment component, and the adjustment component is used to drive the telescopic component to slide along the length direction of the walking frame;

[0010] A laser rangefinder mounted on the movable end of the telescopic component; and

[0011] A power supply and a control unit, and the telescopic component, the adjustment component, the laser rangefinder and the power supply are respectively electrically connected to the control unit.

[0012] Furthermore, it further includes:

[0013] A support plate fixedly connected to the movable end of the telescopic component; and

[0014] An adjustment clamping seat mounted on the support plate, and the adjustment clamping seat is used to clamp the laser rangefinder.

[0015] Furthermore, the adjustment clamping seat includes:

[0016] A gearbox fixedly connected to the support plate;

[0017] A worm wheel and a worm are rotatably connected in the gearbox, the worm wheel and the worm are engaged, the worm wheel is splined with a rotating shaft, and the rotating shaft vertically penetrates through the top of the gearbox; and

[0018] A clamping seat fixedly connected to the top of the rotating shaft, and the clamping seat is used to clamp the laser rangefinder.

[0019] Furthermore, the clamping seat includes:

[0020] A clamping seat in a "U" - shaped structure, and the bottom plate of the clamping seat is fixedly connected to the top of the rotating shaft;

[0021] A movable plate slidably connected between the two side walls of the clamping seat; and

[0022] Multiple bolts, the middle part of the bolt is threadedly connected to one of the side walls of the clamping seat, one end of the bolt abuts against the movable plate, and the other side wall of the clamping seat cooperates with the movable plate to clamp the laser rangefinder.

[0023] Furthermore, a first bearing seat is installed at the inner bottom of the gearbox, and the lower end of the rotating shaft is connected to the first bearing seat through a bearing;

[0024] A second support seat is installed on the side wall of the gearbox, one end and the middle part of the worm are respectively connected to the second bearing seat through bearings, and the other end of the worm penetrates through the side wall of the gearbox and is fixedly installed with a knob.

[0025] Furthermore, it also includes:

[0026] A first strip hole is provided on one side of the support plate along the length direction of the traveling frame, and the first strip hole extends along the width direction of the traveling frame;

[0027] A sliding rod is movably connected within the first strip hole, and the sliding rod can slide within the first strip hole in the vertical direction or in the width direction of the vehicle frame;

[0028] A first calibration block is fixedly connected to the upper end of the sliding rod, and the first calibration block is provided with a first calibration slot along the length direction of the vehicle frame; and

[0029] A limiting block is fixedly connected to the lower end of the sliding rod, and the first calibration block and the limiting block are located on the upper and lower sides of the first strip hole, respectively.

[0030] Furthermore, it also includes:

[0031] A mounting base is fixedly connected to the middle part of the vehicle frame, and two fixing rods are arranged at intervals along the vertical direction inside the mounting base;

[0032] A telescopic rod, wherein the lower end of its side wall is provided with a second strip-shaped hole and a positioning notch, the second strip-shaped hole being slidably connected to the upper fixed rod, and the positioning notch being selectively fitted onto the lower fixed rod; and

[0033] A second calibration block is fixedly connected to the upper end of the telescopic rod, and the second calibration block is provided with a second calibration slot along the width direction of the traveling frame.

[0034] Furthermore, it also includes a clamp that is fixedly connected to the upper end of the walking frame, and the clamp is detachably connected to the telescopic rod.

[0035] Furthermore, the telescopic component is an electric push rod;

[0036] The adjustment component includes:

[0037] A hollow base is fixedly connected to the upper surface of the vehicle frame. A third strip-shaped hole is provided above the hollow base, and the third strip-shaped hole is arranged along the length direction of the vehicle frame. The electric push rod passes through the third strip-shaped hole.

[0038] A threaded rod rotatably connected to the hollow base and a sliding rod installed inside the hollow base, both the threaded rod and the sliding rod being arranged along the length direction of the traveling frame.

[0039] A sliding block is fixedly connected to the fixed end of the electric push rod; the sliding block is threadedly connected to the threaded rod; the sliding block is slidably connected to the slide rod; and...

[0040] A drive motor is fixedly connected to the outside of the hollow base, and the output shaft of the drive motor is connected to the threaded rod via a coupling.

[0041] The electric push rod and the drive motor are electrically connected to the control unit.

[0042] Furthermore, the walking frame is equipped with two single-sided wheels on both sides along its length, and the single-sided wheels on both sides are symmetrically arranged. The walking frame is also equipped with a control handle.

[0043] Compared with the prior art, this utility model has at least the following advantages:

[0044] This invention, by incorporating a telescopic component, can alter the height of the laser rangefinder to meet the clearance measurement needs at different heights, including passenger and freight railway platforms, thus expanding its applicability. Attached Figure Description

[0045] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0046] Figure 1 This is a schematic diagram of the overall structure of the intelligent measuring instrument for clearance of electrified railways according to this utility model;

[0047] Figure 2 This is a schematic diagram of the overall structure of the intelligent measuring instrument for electrified railway clearance from another perspective.

[0048] Figure 3 This utility model Figure 1 A magnified view of a portion of region A in the middle;

[0049] Figure 4 This is a cross-sectional view of the adjustable clamping seat of this utility model;

[0050] Figure 5 This is an assembly diagram of the mounting base, telescopic rod, second calibration block, and clamp of this utility model;

[0051] Figure 6 This utility model Figure 5 A magnified view of a portion of region B in the middle;

[0052] Figure 7This is an assembly diagram of the telescopic component and the adjustment component of this utility model.

[0053] Reference numerals: 1. Walking frame; 2. Telescopic assembly; 3. Laser rangefinder; 4. Power supply; 5. Control unit; 6. Support plate; 7. Gearbox; 8. Worm gear; 9. Rotating shaft; 10. Worm; 11. Card seat; 12. Movable plate; 13. Bolt; 14. First bearing seat; 15. Second bearing seat; 16. Knob; 17. First slotted hole; 18. Sliding rod; 19. First calibration block; 20. First calibration slot; 21. Limiting block; 22. Mounting base; 23. Fixed rod; 24. Telescopic rod; 25. Second slotted hole; 26. Positioning notch; 27. Second calibration block; 28. Second calibration slot; 29. ​​Clamp; 30. Hollow base; 31. Third slotted hole; 32. Threaded rod; 33. Sliding rod; 34. Sliding block; 35. Drive motor; 36. Single-sided wheel; 37. Control handle; 38. Rail. Detailed Implementation

[0054] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0055] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0056] Reference Figure 1-2 This utility model provides an intelligent measuring instrument for clearance of electrified railways, which mainly includes the following parts: a traveling frame 1, a telescopic assembly 2, an adjustment assembly, a laser rangefinder 3, a power supply 4, and a control unit 5.

[0057] The traveling frame 1 is slidably connected to two rails 38, with its two ends symmetrically mounted on the rails 38 along its length. The telescopic assembly 2 and the adjusting assembly are mounted on the traveling frame 1. The telescopic assembly 2 is vertically oriented, with its fixed end connected to the adjusting assembly. The telescopic assembly 2 is preferably an electric push rod. The adjusting assembly drives the telescopic assembly 2 to slide along the length of the traveling frame 1. A laser rangefinder 3 is mounted on the movable end of the telescopic assembly 2 and is used to measure the distance between it and the platform (not shown in the figure). The telescopic assembly 2, the adjusting assembly, the laser rangefinder 3, and the power supply 4 are electrically connected to the control unit 5. The power supply 4 provides power to the telescopic assembly 2, the adjusting assembly, and the laser rangefinder 3. The power supply 4 is preferably a battery. The control unit 5 is a PLC device, capable of controlling the telescopic assembly 2 to extend and retract, the adjusting assembly to open and close, and the laser rangefinder 3 to measure distances. The laser rangefinder 3 can feed back the measured distance information to the control unit 5, thereby achieving the purpose of clearance measurement. Preferably, the present invention also includes a host computer (not shown in the figure), and the control unit 5 includes a communication module. The control unit 5 can communicate with the host computer through the communication module. The host computer can send instructions to the control unit 5 to realize the operation of the telescopic component 2, the adjustment component and the laser rangefinder 3. The control unit 5 can feed back the collected distance information to the host computer, so that the operators can check it in time.

[0058] By incorporating a telescopic component 2, this invention can alter the height of the laser rangefinder 3 to meet the clearance measurement needs at different heights, including passenger and freight railway platforms, thus expanding its applicability.

[0059] Reference Figure 3-4 The measuring instrument of this utility model also includes a support plate 6 and an adjusting clamping seat. The support plate 6 is fixedly connected to the movable end of the telescopic assembly 2; the adjusting clamping seat is installed on the support plate 6 and is used to clamp the laser rangefinder 3.

[0060] The adjusting clamping base specifically includes a gearbox 7, a worm gear 8, a worm 10, a rotating shaft 9, and a clamping seat. The gearbox 7 is fixedly connected to the support plate 6; the worm gear 8 and the worm 10 are rotatably connected inside the gearbox 7 and mesh with each other. The worm gear 8 is splinedly connected to the rotating shaft 9, which moves vertically through the top of the gearbox 7; the clamping seat is fixedly connected to the top of the rotating shaft 9 and is used to clamp the laser rangefinder 3.

[0061] The clamping base includes a clamping seat 11, a movable plate 12, and multiple bolts 13. The clamping seat 11 has a U-shaped structure, and its base plate is fixedly connected to the top of the rotating shaft 9. The movable plate 12 is slidably connected between the two side walls of the clamping seat 11; the middle of the bolt 13 is threadedly connected to one side wall of the clamping seat 11, and one end is connected to the movable plate 12. The other side wall of the clamping seat 11 cooperates with the movable plate 12 to clamp the laser rangefinder 3.

[0062] In addition, a first bearing housing 14 is installed at the bottom of the gearbox 7, and the lower end of the rotating shaft 9 is connected to the first bearing housing 14 via a bearing. A second bearing housing 15 is installed on the side wall of the gearbox 7, and one end and the middle part of the worm gear 10 are respectively connected to the second bearing housing 15 via bearings. The other end of the worm gear 10 passes through the side wall of the gearbox 7 and is fixedly installed with a knob 16.

[0063] In addition, this utility model also includes a first strip hole 17, a sliding rod 18, and a first calibration block 19. The first strip hole 17 is arranged on one side of the support plate 6 along the length direction of the traveling frame 1, and the first strip hole 17 extends along the width direction of the traveling frame 1. The sliding rod 18 is movably connected in the first strip hole 17 and can slide in the first strip hole 17 in the vertical direction or along the width direction of the traveling frame 1. The first calibration block 19 is fixedly connected to the upper end of the sliding rod 18, and a first calibration slot 20 along the length direction of the traveling frame 1 is arranged on it. The first calibration slot 20 is arranged along the length direction of the traveling frame 1. The limiting block 21 is fixedly connected to the lower end of the sliding rod 18. The first calibration block 19 and the limiting block 21 are located on the upper and lower sides of the first strip hole 17, respectively.

[0064] In use, by lifting the sliding rod 18, the first calibration block 19 is aligned with the laser emitted by the laser rangefinder 3 at the same height. By rotating the worm gear 10 through the knob 16, the worm wheel 8 and the card holder 11 are further rotated to change the angle of the laser emitted by the laser rangefinder 3. At the same time, the first calibration block 19 slides on the first strip hole 17 so that the laser emitted by the laser rangefinder 3 can pass through the first calibration slit 20. The calibration work is then stopped. This indicates that the laser emitted by the laser rangefinder 3 is parallel to the length direction of the walking frame 1.

[0065] Reference Figure 5-6A mounting base 22 is fixedly connected to the middle of the traveling frame 1. Two fixed rods 23 are spaced vertically within the mounting base 22. A second strip-shaped hole 25 and a positioning notch 26 are provided on the lower end of the side wall of the telescopic rod 24. The second strip-shaped hole 25 is slidably connected to the upper fixed rod 23, and the positioning notch 26 is selectively fitted onto the lower fixed rod 23. Lifting the telescopic rod 24 separates the positioning notch 26 from the lower fixed rod 23, allowing the telescopic rod 24 to rotate. By rotating and lowering the telescopic rod 24, when the positioning notch 26 engages with the lower fixed rod 23, the telescopic rod 24 is in a vertical position. A second calibration block 27 is fixedly connected to the upper end of the telescopic rod 24, and a second calibration slot 28 along the width direction of the traveling frame 1 is provided on it. In use, the telescopic rod 24 is in a vertical position and extended so that the height of the second calibration block 27 is the same as the height of the laser rangefinder 3. The telescopic component 2 is slidable by adjusting the adjustment component. The laser rangefinder 3 is observed through the second calibration slit 28. The calibration work is stopped when the laser emitted by the laser rangefinder 3 is aligned with the second calibration slit 28.

[0066] The measuring instrument also includes a clamp 29 fixedly connected to the upper end of the traveling frame 1, and the clamp 29 is detachably connected to the telescopic rod 24. When the telescopic rod 24 is in the retracted state, it can be stored by engaging the telescopic rod 24 within the clamp 29.

[0067] By setting the first calibration block 19, this utility model can ensure that the laser emitted by the laser rangefinder 3 is located on the length direction of the traveling frame 1, that is, the emitted laser is perpendicular to the track; by setting the second calibration block 27, it can ensure that the laser emission point is located in the middle position of the traveling frame 1, that is, the initial point of the laser emitted by the laser rangefinder is located on the middle line of the two tracks, thereby improving the accuracy of the measurement data.

[0068] Reference Figure 7 The adjustment assembly includes a hollow base 30, a threaded rod 32, a sliding rod 33, and a drive motor 35. The hollow base 30 is fixedly connected to the upper surface of the vehicle frame 1, and has a third strip-shaped hole 31 arranged along the length of the vehicle frame 1. The electric push rod passes through the third strip-shaped hole 31. The threaded rod 32 is rotatably connected inside the hollow base 30, and the sliding rod 33 is installed inside the hollow base 30, both arranged along the length of the vehicle frame 1. The sliding block 34 is fixedly connected to the fixed end of the electric push rod, threadedly connected to the bolt 13, and slidably connected to the sliding rod 33. The drive motor 35 is fixedly connected to the outside of the hollow base 30, and its output shaft is connected to the threaded rod 32 via a coupling (not shown in the figure). The drive motor 35 is electrically connected to the control unit 5.

[0069] To facilitate the movement of the traveling frame 1, two single-sided wheels 36 are installed on both sides of the traveling frame 1 along its length, and a control handle 37 is installed on the traveling frame 1.

[0070] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0071] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. An intelligent measuring instrument for clearance of electrified railways, characterized in that, Comprising: A walking frame (1); A telescopic component (2) and an adjusting component mounted on the walking frame (1), the telescopic component (2) is arranged in the vertical direction, the fixed end of the telescopic component (2) is connected to the adjusting component, and the adjusting component is used to drive the telescopic component (2) to slide along the length direction of the walking frame (1); A laser rangefinder (3) mounted on the movable end of the telescopic component (2); and A power supply (4) and a control unit (5), the telescopic component (2), the adjusting component, the laser rangefinder (3) and the power supply (4) are respectively electrically connected to the control unit (5).

2. The intelligent measuring instrument for clearance of electrified railways according to claim 1, characterized in that, It further comprises: A support plate (6) fixedly connected to the movable end of the telescopic component (2); And An adjusting clamping seat mounted on the support plate (6), and the adjusting clamping seat is used to clamp the laser rangefinder (3).

3. The intelligent measuring instrument for electrified railway clearance according to claim 2, characterized in that, The adjusting clamping seat comprises: A gear box (7) fixedly connected to the support plate (6); A worm wheel (8) and a worm (10) are rotatably connected in the gear box (7), the worm wheel (8) and the worm (10) are meshed, the worm wheel (8) is splined with a rotating shaft (9), and the rotating shaft (9) vertically passes through the top of the gear box (7) movably; and A clamping seat fixedly connected to the top of the rotating shaft (9), and the clamping seat is used to clamp the laser rangefinder (3).

4. The intelligent measuring instrument for clearance of electrified railways according to claim 3, characterized in that, The clamping seat comprises: A clamping seat (11) in a "U" - shaped structure, and the bottom plate of the clamping seat (11) is fixedly connected to the top of the rotating shaft (9); A movable plate (12) slidably connected between the two side walls of the clamping seat (11); and A plurality of bolts (13), the middle of the bolt (13) is threadedly connected to one of the side walls of the clamping seat (11), one end of the bolt (13) abuts against the movable plate (12), and the other side wall of the clamping seat (11) cooperates with the movable plate (12) to clamp the laser rangefinder (3).

5. The intelligent measuring instrument for clearance of electrified railways according to claim 3, characterized in that, A first bearing seat (14) is installed at the inner bottom of the gear box (7), and the lower end of the rotating shaft (9) is connected to the first bearing seat (14) through a bearing; [[ID= 6. The intelligent measuring instrument for clearance of electrified railways according to claim 4, characterized in that, ​ ​ ​ ​ ​ A limiting block (21) is fixedly connected to the lower end of the sliding rod (18). The first calibration block (19) and the limiting block (21) are located on the upper and lower sides of the first strip hole (17), respectively.

7. The intelligent measuring instrument for clearance of electrified railways according to claim 6, characterized in that, Also includes: A mounting base (22) is fixedly connected to the middle of the walking frame (1), and two fixing rods (23) are arranged at intervals along the vertical direction inside the mounting base (22); Telescopic rod (24), the lower end of the side wall of the telescopic rod (24) is provided with a second strip hole (25) and a positioning notch (26), the second strip hole (25) is slidably connected to the upper fixed rod (23), and the positioning notch (26) is selectively fitted on the lower fixed rod (23); as well as A second calibration block (27) is fixedly connected to the upper end of the telescopic rod (24), and the second calibration block (27) is provided with a second calibration slot (28) along the width direction of the traveling frame (1).

8. The intelligent measuring instrument for clearance of electrified railways according to claim 7, characterized in that, It also includes a clamp (29) fixedly connected to the upper end of the walking frame (1), and the clamp (29) is detachably connected to the telescopic rod (24).

9. The intelligent measuring instrument for clearance of electrified railways according to claim 1, characterized in that, The telescopic component (2) is an electric push rod; The adjustment component includes: A hollow base (30) is fixedly connected to the upper surface of the traveling frame (1). A third strip-shaped hole (31) is provided above the hollow base (30). The third strip-shaped hole (31) is arranged along the length direction of the traveling frame (1). The electric push rod is arranged through the third strip-shaped hole (31). A threaded rod (32) rotatably connected to the hollow base (30) and a sliding rod (33) installed inside the hollow base (30) are both arranged along the length direction of the traveling frame (1). A sliding block (34) is fixedly connected to the fixed end of the electric push rod. The sliding block (34) is threadedly connected to the threaded rod (32), and the sliding block (34) is slidably connected to the slide rod (33). A drive motor (35) is fixedly connected to the outside of the hollow base (30), and the output shaft of the drive motor (35) is connected to the threaded rod (32) through a coupling. The electric push rod and the drive motor (35) are electrically connected to the control unit (5).

10. The intelligent measuring instrument for clearance of electrified railways according to any one of claims 1 to 9, characterized in that, The walking frame (1) is equipped with two single-sided wheels (36) on both sides along its length direction. The single-sided wheels (36) on both sides are symmetrically arranged. The walking frame (1) is equipped with a control handle (37).

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