Track detection trolley and track detection system

Abstract

The utility model provides a track detection trolley and a track detection system, and relates to the technical field of track detection, the track detection trolley comprises a frame, three first double-wheel mechanisms, a second double-wheel mechanism and a coding assembly, the three first double-wheel mechanisms and the second double-wheel mechanism are respectively arranged on four corners of the frame, the first double-wheel mechanism comprises two first rotating wheels, a first mounting frame and a fastening nut, the first mounting frame is connected with the frame, the two first rotating wheels are both arranged on the first mounting frame and fixed through the fastening nut, and the encoding assembly is arranged on the second double-wheel mechanism. The device can pass through a steel rail seam and a harmful space at the point end of a turnout point rail more stably and smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of track detection, in particular to a track detection trolley and a track detection system. Background Art

[0002] The carriers of track inspection equipment currently used for railway lines are in the form of T-shaped (T-shaped trolley) or 4-wheel structure, and are mostly used in contact inspection equipment, such as track inspection instruments, etc. T-shaped trolleys or other forms of trolleys on the market are equipped with a roller at each end of the trolley to achieve the purpose of walking on the railway track. Similar trolleys all have a problem: when there is a rail gap at the connection between the front and rear sections of the rail on the seam line, the trolley will vibrate to varying degrees at the seam position during its walking on it due to its single-wheel structure, causing the equipment's detection results to deviate too much and fail to meet the detection requirements.

[0003] In addition, when this type of trolley passes through the harmful space of the turnout (the area at the tip of the heart rail, where the gap can be considered larger than the gap of the rail), due to the above reasons, it will shake more violently at this position and cannot obtain effective detection results. At present, most of the detection equipment uses the following three methods to handle the operation of the turnout part: requiring the data of the part passing through the harmful space of the turnout to be eliminated; directly requiring manual lifting to skip this area; or requiring to stop working within a certain distance before and after this area, and then restart work after passing this area. Utility Model Content

[0004] The utility model aims to provide a track detection trolley and a track detection system, which can pass through the rail joint and the harmful space at the tip of the turnout rail more stably and smoothly.

[0005] The embodiment of the utility model is achieved as follows:

[0006] In the first aspect, the utility model provides a track detection trolley, comprising a frame, a first double-wheel mechanism, a second double-wheel mechanism and an encoding assembly, wherein the three first double-wheel mechanisms and one second double-wheel mechanism are respectively arranged at the four corners of the frame, the first double-wheel mechanism comprises two first rotating wheels, a first mounting frame and a fastening nut, the first mounting frame is connected to the frame, the two first rotating wheels are both arranged on the first mounting frame and fixed by the fastening nut, and the encoding assembly is arranged on the second double-wheel mechanism.

[0007] In an optional embodiment, the frame includes a middle crossbeam and two end brackets, and the two end brackets are respectively arranged at both ends of the middle crossbeam, wherein the two ends of one of the end brackets are respectively connected to two of the first double-wheel mechanisms; and the two ends of the other end bracket are respectively connected to one of the first double-wheel mechanisms and one of the second double-wheel mechanisms.

[0008] In an optional embodiment, the frame further includes an adjustable bolt and a spring, the end bracket is provided with a through hole, the adjustable bolt passes through the through hole to connect to the middle cross beam, and the spring is arranged between the bolt head of the adjustable bolt and the end bracket.

[0009] In an optional embodiment, bolt holes are provided at both ends of the end bracket, and bolts pass through the bolt holes to connect the end bracket and the double-wheel mechanism and the end bracket and the second double-wheel mechanism.

[0010] In an optional embodiment, the first rotating wheel includes a first wheel body, a first mounting shaft and a first bearing, the first bearing is arranged inside the first wheel body, one end of the first mounting shaft is rotatably connected to the first bearing, and the other end is fixed to the first mounting frame by the fastening nut.

[0011] In an optional embodiment, the second double-wheel mechanism includes two second rotating wheels and a second mounting frame, the two second rotating wheels are rotatably arranged on the second mounting frame, and the second mounting frame is connected to the vehicle frame;

[0012] The second rotating wheel includes a second wheel body, a second mounting shaft and a second bearing, the second bearing is arranged on the second mounting frame, the second mounting shaft is arranged on the second bearing, and one end of the second mounting shaft is fixedly connected to the second wheel body, and the other end is connected to the encoding component.

[0013] In an optional embodiment, the second dual-wheel mechanism further includes a first gear, a second gear and a belt, the first gear and the second gear are respectively arranged on the two second mounting shafts, and the belt connects the first gear and the second gear.

[0014] In an optional embodiment, the track inspection trolley also includes a mounting seat, a rotating rod and a computer bracket, the mounting seat is arranged on the frame, one end of the rotating rod is rotatably connected to the mounting seat, and the other end is connected to the computer bracket.

[0015] In an optional embodiment, the two first rotating wheels are spaced 180 mm to 200 mm apart.

[0016] In a second aspect, the utility model provides a track detection system, comprising a track detection vehicle as described in any one of the aforementioned embodiments.

[0017] The beneficial effects of the embodiments of the utility model are:

[0018] The utility model provides a track detection trolley, including a frame, a first double-wheel mechanism, a second double-wheel mechanism and an encoding assembly, wherein three first double-wheel mechanisms and one second double-wheel mechanism are respectively arranged at the four corners of the frame, the first double-wheel mechanism includes two first rotating wheels, a first mounting frame and a fastening nut, the first mounting frame is connected to the frame, the two first rotating wheels are both arranged on the first mounting frame and fixed by the fastening nut, and the encoding assembly is arranged on the second double-wheel mechanism. The utility model changes the single-wheel structure in the prior art into a double-wheel structure, which can improve the stability of the detection trolley, and can smoothly pass through the rail gap and the harmful space at the tip of the turnout heart rail. In addition, the encoder assembly is arranged on the double-wheel mechanism, so that the detection trolley can still maintain the stability and integrity of the signal when passing through the rail gap and the harmful space at the tip of the turnout heart rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a track inspection vehicle from a first perspective provided in an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the structure of the track inspection vehicle provided by an embodiment of the utility model from a second perspective;

[0022] Figure 3 A schematic cross-sectional view of a first double-wheel structure provided in an embodiment of the utility model;

[0023] Figure 4 for Figure 2 A magnified schematic diagram of the middle part A;

[0024] Figure 5 for Figure 2 Enlarged schematic diagram of part B in the middle.

[0025] icon:

[0026] 10-frame; 11-middle crossbeam; 12-end bracket; 121-bolt hole; 13-adjustable bolt; 14-spring; 20-first double-wheel mechanism; 21-first rotating wheel; 211-first wheel body; 212-first mounting shaft; 213-first bearing; 22-first mounting frame; 23-fastening nut; 30-second double-wheel mechanism; 31-second rotating wheel; 311-second wheel body; 312-second mounting shaft; 313-second bearing; 32-second mounting frame; 33-first gear; 34-second gear; 35-belt; 40-encoding assembly; 50-mounting seat; 60-rotating rod; 70-computer bracket. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0031] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 indirectly connected 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.

[0033] The present embodiment provides a track detection system, which is mainly used for track detection of railway lines. In order to solve the problem that the existing track detection trolley vibrates violently and is unstable when passing through gaps or harmful spaces of switches, the present embodiment provides a track detection trolley, which is specifically described as follows.

[0034] like Figure 1 and Figure 2 As shown, a track inspection trolley provided in this embodiment includes a frame 10, a first double-wheel mechanism 20, a second double-wheel mechanism 30 and an encoding assembly 40. The three first double-wheel mechanisms 20 and one second double-wheel mechanism 30 are respectively arranged on the four corners of the frame 10. The first double-wheel mechanism 20 includes two first rotating wheels 21, a first mounting frame 22 and a fastening nut 23. The first mounting frame 22 is connected to the frame 10. The two first rotating wheels 21 are both arranged on the first mounting frame 22 and fixed by the fastening nut 23. The encoding assembly 40 is arranged on the second double-wheel mechanism 30.

[0035] It can be understood that the present embodiment proposes a track inspection trolley structure with eight rollers installed, four pairs of rollers are installed on the four corners of the trolley respectively, and each pair of first rotating wheels 21 is installed at the same height through the first mounting frame 22. When passing through the rail gap or the harmful space area at the tip of the turnout heart rail, one of the first rotating wheels 21 enters the rail gap first, and the other rotating wheel remains close to the rail to support the entire trolley to move forward. Due to the consistent height, when the wheel entering the rail gap leaves and enters the next section of the rail, even if the rear roller enters the rail gap again, it will not affect the walking process of the entire equipment, so that the entire trolley is basically in a shaking-free condition when passing through the rail gap, so that the detection result of the equipment reaches an ideal state. Correspondingly, the same principle applies when passing through the harmful space at the tip of the heart rail of the turnout.

[0036] This embodiment changes the single-wheel structure in the prior art into a double-wheel structure, which can improve the stability of the detection trolley and enable it to smoothly pass through the rail gap and the harmful space at the tip of the switch heart rail. In addition, the encoder assembly is arranged on the double-wheel mechanism, so that the detection trolley can still maintain signal stability and integrity when passing through the rail gap and the harmful space at the tip of the switch heart rail.

[0037] In a preferred embodiment, the frame 10 includes a middle cross beam 11 and two end brackets 12, the two end brackets 12 are respectively arranged at both ends of the middle cross beam 11, and the two ends of one end bracket 12 are respectively connected to two first double-wheel mechanisms 20; the two ends of the other end bracket 12 are respectively connected to a first double-wheel mechanism 20 and a second double-wheel mechanism 30. In detail, there are two middle cross beams 11, and the two middle cross beams 11 are arranged in parallel.

[0038] In a preferred embodiment, Figure 4 As shown, the frame 10 further includes an adjustable bolt 13 and a spring 14. A through hole is provided on the end bracket 12. The adjustable bolt 13 passes through the through hole to connect the middle cross beam 11. The spring 14 is provided between the bolt head of the adjustable bolt 13 and the end bracket 12. It can be understood that when the adjustable bolt 13 is tightened, the spring 14 abuts against the end bracket 12. Since the spring 14 has a buffering effect, when the detection trolley is traveling on the track for detection, it can buffer some uneven tracks.

[0039] In a preferred embodiment, bolt holes 121 are provided at both ends of the end bracket 12, and bolts pass through the bolt holes 121 to connect the end bracket 12 and the double-wheel mechanism and the end bracket 12 and the second double-wheel mechanism 30. In detail, the bolt holes 121 are designed with a 0.5mm clearance adjustment margin, so that the first double-wheel mechanism 20 and the second double-wheel mechanism 30 can allow a 0-2 degree adjustment clearance when fixed to the end bracket 12, and the installation deviation (0.5mm) of the two wheels can be eliminated, so that the horizontal heights of the two wheels are kept consistent, thereby ensuring that the carrier is stable and does not shake during walking.

[0040] In a preferred embodiment, Figure 3 As shown, the first rotating wheel 21 includes a first wheel body 211, a first mounting shaft 212 and a first bearing 213. The first bearing 213 is arranged inside the first wheel body 211. One end of the first mounting shaft 212 is rotatably connected to the first bearing 213, and the other end is fixed to the first mounting frame 22 by a fastening nut 23. In detail, two first bearings 213 are arranged inside the first wheel body 211, and the first mounting shaft 212 is in close contact with the first mounting frame 22, and then fastened by the fastening nut 23, so that the first wheel body 211 and the first mounting frame 22 are perpendicular.

[0041] In a preferred embodiment, Figure 5As shown, the second double-wheel mechanism 30 includes two second rotating wheels 31 and a second mounting frame 32. The two second rotating wheels 31 are rotatably arranged on the second mounting frame 32. The second mounting frame 32 is connected to the vehicle frame 10.

[0042] The second rotating wheel 31 includes a second wheel body 311, a second mounting shaft 312 and a second bearing 313. The second bearing 313 is disposed on the second mounting frame 32. The second mounting shaft 312 is disposed on the second bearing 313. One end of the second mounting shaft 312 is fixedly connected to the second wheel body 311, and the other end is connected to the encoding component 40. In detail, when the second wheel body 311 rotates, the second mounting shaft 312 can be driven to rotate, and the second bearing 313 is connected to the encoding component 40. Therefore, the rotation signal of the second wheel body 311 is captured by the encoding component 40 through the second mounting shaft 312, and the encoding component 40 analyzes the situation of the track through the rotation signal of the second wheel body 311.

[0043] In a preferred embodiment, the second double-wheel mechanism 30 further includes a first gear 33, a second gear 34 and a belt 35, wherein the first gear 33 and the second gear 34 are respectively arranged on two second mounting shafts 312, and the belt 35 connects the first gear 33 and the second gear 34. It can be understood that the two second mounting shafts 312 are connected by the first gear 33, the second gear 34 and the belt 35, so that no matter which of the second wheel bodies 311 is rotating, the encoder will obtain torque force and rotate at the same time. This avoids the situation where the encoder does not rotate due to one of the second wheel bodies 311 being suspended in the air when passing through the rail gap or the harmful section of the turnout center rail tip.

[0044] In a preferred embodiment, the track inspection vehicle further includes a mounting seat 50, a rotating rod 60 and a computer bracket 70. The mounting seat 50 is disposed on the vehicle frame 10. One end of the rotating rod 60 is rotatably connected to the mounting seat 50, and the other end is connected to the computer bracket 70. It can be understood that the computer is placed on the computer bracket 70 and can be adjusted to any position by rotating the rod 60.

[0045] In a preferred embodiment, the distance between the two first rotating wheels 21 is 180 mm to 200 mm. In detail, the distance between the two second rotating wheels 31 is also 180 mm to 200 mm.

[0046] It can be understood that the center distance between the two first rotating wheels 21 or the two second rotating wheels 31 is 190 mm. This distance can effectively ensure that when one of the wheels is on the rail gap or the harmful space area at the tip of the turnout's heart rail, the other wheel is on the rail to play an effective supporting role.

[0047] The track inspection vehicle provided in this embodiment has the following advantages:

[0048] The track inspection trolley provided in this embodiment includes a frame 10, a first double-wheel mechanism 20, a second double-wheel mechanism 30 and an encoding assembly 40. The three first double-wheel mechanisms 20 and one second double-wheel mechanism 30 are respectively arranged at the four corners of the frame 10. The first double-wheel mechanism 20 includes two first rotating wheels 21, a first mounting frame 22 and a fastening nut 23. The first mounting frame 22 is connected to the frame 10. The two first rotating wheels 21 are both arranged on the first mounting frame 22 and fixed by the fastening nut 23. The encoding assembly 40 is arranged on the second double-wheel mechanism 30. This embodiment changes the single-wheel structure in the prior art into a double-wheel structure, which can improve the stability of the inspection trolley and can smoothly pass through the rail joint and the harmful space at the tip of the turnout heart rail. In addition, the encoder assembly is arranged on the double-wheel mechanism, so that the inspection trolley can still maintain the stability and integrity of the signal when passing through the rail joint and the harmful space at the tip of the turnout heart rail.

[0049] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A track inspection vehicle, characterized in that: It includes a frame, a first two-wheel mechanism, a second two-wheel mechanism and an encoding component, wherein the three first two-wheel mechanisms and one second two-wheel mechanism are respectively arranged at the four corners of the frame, the first two-wheel mechanism includes two first rotating wheels, a first mounting frame and a fastening nut, the first mounting frame is connected to the frame, the two first rotating wheels are both arranged on the first mounting frame and fixed by the fastening nut, and the encoding component is arranged on the second two-wheel mechanism.

2. A track inspection vehicle according to claim 1, characterized in that: The frame includes a middle crossbeam and two end brackets, and the two end brackets are respectively arranged at the two ends of the middle crossbeam, wherein the two ends of one of the end brackets are respectively connected to the two first double-wheel mechanisms; the two ends of the other end bracket are respectively connected to one first double-wheel mechanism and one second double-wheel mechanism.

3. A track inspection vehicle according to claim 2, characterized in that: The frame also includes an adjustable bolt and a spring. The end bracket is provided with a through hole. The adjustable bolt passes through the through hole to connect with the middle cross beam. The spring is arranged between the bolt head of the adjustable bolt and the end bracket.

4. A track inspection vehicle according to claim 2, characterized in that: Both ends of the end bracket are provided with bolt holes, and bolts pass through the bolt holes to connect the end bracket and the first double-wheel mechanism and the end bracket and the second double-wheel mechanism.

5. A track inspection vehicle according to claim 1, characterized in that: The first rotating wheel includes a first wheel body, a first mounting shaft and a first bearing. The first bearing is arranged inside the first wheel body. One end of the first mounting shaft is rotatably connected to the first bearing, and the other end is fixed to the first mounting frame through the fastening nut.

6. A track inspection vehicle according to claim 1, characterized in that: The second double-wheel mechanism comprises two second rotating wheels and a second mounting frame, the two second rotating wheels are rotatably arranged on the second mounting frame, and the second mounting frame is connected to the vehicle frame; The second rotating wheel includes a second wheel body, a second mounting shaft and a second bearing, the second bearing is arranged on the second mounting frame, the second mounting shaft is arranged on the second bearing, and one end of the second mounting shaft is fixedly connected to the second wheel body, and the other end is connected to the encoding component.

7. A track inspection vehicle according to claim 6, characterized in that: The second double-wheel mechanism further includes a first gear, a second gear and a belt. The first gear and the second gear are respectively arranged on the two second mounting shafts. The belt connects the first gear and the second gear.

8. A track inspection vehicle according to claim 1, characterized in that: The track detection trolley also includes a mounting seat, a rotating rod and a computer bracket. The mounting seat is arranged on the frame. One end of the rotating rod is rotatably connected to the mounting seat, and the other end is connected to the computer bracket.

9. A track inspection vehicle according to claim 1, characterized in that: The two first rotating wheels are spaced 180 mm to 200 mm apart.

10. A track detection system, characterized in that: A track inspection trolley comprising the method described in any one of claims 1 to 9.

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