Special heavy-load roller wear resistance detection device for metro
By designing a detection device that includes cleaning rollers and wear rollers, the problem of debris affecting the accuracy of roller detection was solved, and higher detection accuracy was achieved.
Patent Information
- Application Number
- CN202422961237.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In existing subway-specific heavy-duty roller wear resistance testing devices, the debris generated by the friction between the roller and the friction plate affects the accuracy of the test.
A detection device was designed, comprising components such as a housing, a collection frame, a cleaning roller, a wear roller, and a motor. By rotating the wear roller in coordination with the cleaning roller, the cleaning roller sweeps the debris into the collection frame, thus preventing the debris from affecting the detection.
This improves the accuracy of roller wear resistance testing and reduces the interference of friction-generated debris on the testing process.
Smart Images

Figure CN223611306U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of roller wear resistance detection, especially relates to a heavy load roller wear resistance detection device special for subway. BACKGROUND
[0002] The heavy load roller special for subway is one of the key components in the operation of subway vehicles, and the wear resistance of the roller directly affects the safety and reliability of the system in the operation of subway vehicles. Therefore, the wear resistance of the roller needs to be detected.
[0003] The existing heavy load roller wear resistance detection device special for subway is to clamp and fix the roller, make the roller contact with the friction plate, and then rotate the roller to detect the wear resistance of the roller. However, since the position of the roller on the friction plate is fixed, the debris generated by the friction between the roller and the friction plate can affect the detection accuracy.
[0004] Therefore, the heavy load roller wear resistance detection device special for subway is developed to avoid the influence of the debris generated by friction on the detection of the roller and improve the detection accuracy. UTILITY MODEL CONTENTS
[0005] In order to overcome the shortcomings of the existing heavy load roller wear resistance detection device special for subway, that is, the position of the roller on the friction plate is fixed, and the debris generated by the friction between the roller and the friction plate can affect the detection accuracy, the utility model provides a heavy load roller wear resistance detection device special for subway which can avoid the influence of the debris generated by friction on the detection of the roller and improve the detection accuracy.
[0006] The technical scheme is as follows: a heavy load roller wear resistance detection device special for subway, comprising a shell, a collection frame, a cleaning roller, a wear roller, a first motor, a fixed sheet, a second motor, a sliding rod, a lead screw, a sliding block, a connecting rod and a bolt, the collection frame is slidably and detachably connected to the right part of the shell, the cleaning roller is connected to the front side of the right part of the shell, the wear roller is rotatably connected to the inner side of the right part of the shell and located behind the cleaning roller, the first motor is connected to the middle part of the shell, the output shaft of the first motor is connected to the wear roller, the shell is connected to the upper part of the shell, the fixed sheet is connected to the right side of the shell, the second motor is connected to the fixed sheet, the sliding rod is connected between the fixed sheet, the lead screw is connected to the output shaft of the second motor, the sliding rod is rotatably connected to the left side of the fixed sheet, the sliding block is slidably connected between the sliding rod, the sliding block is threadedly connected to the lead screw, the connecting rod is connected to the upper side of the sliding block, and the bolt is threadedly connected to the front and rear parts of the connecting rod.
[0007] As an improvement of the above-mentioned scheme, a handle is arranged on the front side of the collection frame.
[0008] As an improvement of the above-mentioned scheme, a cleaning block is arranged on the cleaning roller.
[0009] As the improvement of the above-mentioned scheme, the clamping pieces are rotatably arranged on the side of the bolts close to each other.
[0010] As the improvement of the above-mentioned scheme, the knobs are arranged on the bolts.
[0011] As the improvement of the above-mentioned scheme, the cover plate is further arranged, and the cover plate is rotatably connected to the upper side of the shell.
[0012] The utility model has the advantages that the utility model drives the abrasion roller to rotate through the first motor, adjusts the position of the abrasion roller and the roller, and the abrasion roller contacts the cleaning roller at the same time of rotating, so that the cleaning roller sweeps the debris on the abrasion roller into the collecting frame, avoids the influence of the debris generated by friction on the roller detection, and improves the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is a part of three-dimensional structure schematic diagram of the utility model.
[0015] Figure 3 It is a clamp moving structure schematic diagram of the utility model.
[0016] Figure 4 It is a roller clamping structure schematic diagram of the utility model.
[0017] Figure 5 It is a debris cleaning structure schematic diagram of the utility model.
[0018] Figure label name: 1 - shell, 2 - collecting frame, 3 - cleaning roller, 4 - abrasion roller, 5 - first motor, 6 - fixed piece, 60 - second motor, 7 - sliding rod, 8 - screw rod, 9 - sliding block, 10 - connecting rod, 11 - bolt, 12 - cover plate. DETAILED DESCRIPTION
[0019] The utility model will be further described below in combination with the drawings and examples.
[0020] A heavy load roller wear resistance detection device special for subway, like Figures 1-5As shown, including the shell 1, collection frame 2, cleaning roller 3, wear roller 4, the first motor 5, fixed sheet 6, the second motor 60, slide bar 7, screw rod 8, sliding block 9, connecting rod 10, bolt 11 and cover plate 12, the shell 1 right part slide detachable connection has collection frame 2, collection frame 2 front side is equipped with handle, it is convenient to grasp, the shell 1 right part front side is connected with cleaning roller 3, cleaning roller 3 is equipped with cleaning block, it is convenient to clean debris, the shell 1 right part inside rotation type connection has wear roller 4, wear roller 4 is located in the rear of cleaning roller 3, the shell 1 middle part is connected with the first motor 5, the first motor 5 output shaft is connected with wear roller 4, the shell 1 upper part is connected with left and right two fixed sheets 6, the fixed sheet 6 on the right side is connected with the second motor 60, and the front and rear two slide bars 7 are connected between the fixed sheets 6, the screw rod 8 is connected on the output shaft of the second motor 60, the screw rod 8 is rotationally connected with the fixed sheet 6 on the left side, the sliding block 9 is slidably connected between the slide bars 7, the sliding block 9 is threadedly connected with the screw rod 8, the connecting rod 10 is connected on the sliding block 9 upper side, the bolt 11 is threadedly connected on the front and rear two parts of the connecting rod 10, the clamping piece is rotationally arranged on the side of the bolt 11 close to each other, so as to clamp the roller, the knob is arranged on the bolt 11, so as to rotate conveniently, and the cover plate 12 is rotationally connected on the shell 1 upper side.
[0021] When the utility model is used, first, the shell 1 is placed in the roller wear resistance detection area, then the roller to be detected is placed between the clamping pieces on the bolt 11, then the bolt 11 is rotated, the clamping pieces are close to each other to clamp the roller, and the lower side of the roller is in contact with the wear roller 4, then the second motor 60 is started, the screw rod 8 is rotated, the sliding block 9 is moved along the slide bar 7, the connecting rod 10 is moved, the roller is moved on the wear roller 4, when detecting, the first motor 5 can be started, the wear roller 4 is rotated, the position of the wear roller 4 in contact with the roller is adjusted, the wear roller 4 is rotated and in contact with the cleaning roller 3, so that the cleaning roller 3 sweeps the debris on the wear roller 4 into the collection frame 2, thereby avoiding the influence of the debris generated by friction on the roller detection, improving the detection accuracy, after detection, the wear resistance of the roller is judged by the amount of debris generated by friction, and the cover plate 12 is closed during detection to isolate external interference.
[0022] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A device for testing the wear resistance of heavy-duty rollers used in subways, characterized in that: The utility model provides a kind of dust collection device, including shell (1), collection frame (2), cleaning roller (3), wear roller (4), first motor (5), fixed sheet (6), second motor (60), slide bar (7), screw rod (8), sliding block (9), connecting rod (10) and bolt (11), shell (1) right part sliding detachably connected with collection frame (2), shell (1) right part front side is connected with cleaning roller (3), shell (1) right part inner side is rotatably connected with wear roller (4), wear roller (4) is located behind cleaning roller (3), shell (1) middle part is connected with first motor (5), and the output shaft of first motor (5) is connected with wear roller (4), shell (1) upper portion is connected with left and right two fixed sheets (6), and the fixed sheet (6) on right side is connected with second motor (60), and front and rear two slide bars (7) are connected between fixed sheet (6), and the output shaft of second motor (60) is connected with screw rod (8), and screw rod (8) is rotatably connected with the fixed sheet (6) on left side, and sliding block (9) is slidably connected between slide bar (7), and sliding block (9) is screw threadedly connected with screw rod (8), and connecting rod (10) is connected on the upper side of sliding block (9), and bolt (11) is screw threadedly connected on the front and rear two parts of connecting rod (10).
2. The heavy-duty wear resistance testing device for metro special use as claimed in claim 1, wherein: Handle is equipped on the front side of collection frame (2).
3. The heavy-duty wear resistance testing device for metro special use as claimed in claim 1, wherein: Cleaning block is equipped on cleaning roller (3).
4. The heavy-duty wear resistance testing device for metro special use as claimed in claim 1, wherein: Clamping piece is rotatably equipped on the side of bolt (11) close to each other.
5. The heavy-duty wear resistance testing device for metro special use as claimed in claim 1, wherein: Knob is equipped on bolt (11).
6. The heavy-duty wear resistance testing device for metro special use as claimed in claim 1, wherein: It further includes cover plate (12), and cover plate (12) is rotatably connected on the upper side of shell (1).