A railway wagon wheel tread damage rotation inspection tool
Patent Information
- Application Number
- CN202522526130.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-11-28
AI Technical Summary
本实用新型中，通过上述设置的支撑结构以及辅助结构，套块与链环滑动放置，螺纹块与柱块内部螺纹装配，紧固头与链环抵触贴合，柔性皮带以及滚动杆与车轴抵触贴合，使滚动杆中心位置的环槽与车轴中心位置对齐，此时车轴轴身卡在两个滚动杆之间，当车轮踏面离开钢轨10mm即可，当两侧车轮起升高度符合转动要求时，利用滚动杆带动车轴转动，将车轮踏面故障部位转动到方便检查测量位置即可，工具主体具有制作简单以及组装方便的特点，降低检查工具的经济成本，无需从厂家购买，能够利用废旧材料快速进行加工制作，对TPDS设备预警铁路货车车轮踏面转动检查更加快捷，该工具适合在铁路货车运用维修领域进行大规模推广。
Smart Images
Figure CN224782017U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of railway freight car wheel inspection technology, specifically a tool for inspecting the tread damage of railway freight car wheels by rotation. Background Technology
[0002] When conducting on-site rotation inspections of the TPDS equipment's warning bearings, it is frequently found that tread abrasions and peeling faults are pressed against the rails, making their location difficult to measure. This poses challenges for inspectors' judgment or leads to delays in transport and turnaround time due to the need for wheel tread damage inspection. Typically, a railway freight car wheel tread damage rotation inspection tool is used for limit lifting.
[0003] The rotation inspection tool for some railway freight car wheel tread damage is complex to assemble, requires two people to operate on-site, which is time-consuming and labor-intensive. More importantly, there are no replacement and repair facilities after damage, and importing it from the manufacturer is costly. Therefore, in order to address the above problems, a rotation inspection tool for railway freight car wheel tread damage is proposed. Utility Model Content
[0004] The purpose of this utility model is to provide a rotation inspection tool for damage to the tread of railway freight car wheels, which solves the problems of the above-mentioned inspection tools having a complicated assembly process, requiring two people to operate on-site, which is time-consuming and labor-intensive, and more importantly, lacking replacement and repair conditions after damage, and having high import costs from manufacturers.
[0005] To achieve the above objectives, this utility model provides the following technical solution: A tool for inspecting damage to the tread of railway freight car wheels by rotation includes an axle, a wooden block, ear plates, a jack, a pick handle, a support structure, and auxiliary structures. The wooden block is provided at the bottom of the axle, and two symmetrically distributed ear plates are fixedly connected to the front and rear ends of the wooden block. A jack is provided at the top of the ear plates, and a pick handle is installed at the front end of the jack. A support structure is provided at the top of the jack, and two symmetrically distributed auxiliary structures are provided on the left and right sides of the support structure.
[0006] Preferably, the support structure includes a support plate, a partition plate, a ball bearing, a rolling rod, a key block, an annular groove, and column blocks. The top of the support plate is fixedly connected to the partition plate, the ball bearing is installed inside the partition plate, the inner ring of the ball bearing is connected to the rolling rod through the key block, the annular groove is opened on the outer side of the center position of the rolling rod, and column blocks are fixedly connected to the left and right ends of the support plate in a symmetrical distribution.
[0007] Preferably, the pallet is provided with symmetrically distributed auxiliary structures on the left and right sides. The auxiliary structures include a flexible belt, a connecting rope, a chain link, a chain shaft, a fastening head, a sleeve block, and a threaded block. A connecting rope is fixedly connected to the bottom of the flexible belt. A top chain link is fixedly connected to one end of the connecting rope. A chain shaft is rotatably arranged between adjacent chain links. A sleeve block is fixedly connected to one end of the fastening head, and a threaded block is fixedly connected to one end of the sleeve block.
[0008] Preferably, the sleeve block is slidably placed with the chain link, the threaded block is internally threaded with the column block, the fastening head is in contact with the chain link, and the flexible belt and the rolling rod are in contact with the axle.
[0009] Preferably, the jack output end is threadedly fitted inside the lower part of the pallet with a stud, and the bottom end of the jack is inserted into the top of the wooden block with an inner groove.
[0010] Compared with the prior art, the beneficial effects of this utility model are: In this invention, through the aforementioned support and auxiliary structures, the sleeve block and chain link are slidably placed, the threaded block and column block are internally threaded and assembled, the fastening head and chain link are in contact and fit together, and the flexible belt and rolling rod are in contact and fit together with the axle, so that the annular groove at the center of the rolling rod is aligned with the center of the axle. At this time, the axle body is stuck between the two rolling rods. When the wheel tread is 10mm away from the rail, and the lifting height of both wheels meets the rotation requirements, the rolling rod is used to drive the axle to rotate, and the faulty part of the wheel tread is rotated to a convenient position for inspection and measurement. The tool body is simple to manufacture and easy to assemble, reducing the economic cost of inspection tools. It does not need to be purchased from the manufacturer and can be quickly processed and manufactured using waste materials. It makes the inspection of the rotation of the wheel tread of railway freight cars with TPDS equipment warning more convenient. This tool is suitable for large-scale promotion in the field of railway freight car operation and maintenance. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This utility model Figure 1 A schematic diagram of the structure at point A; Figure 3 This utility model Figure 1 A schematic diagram of the structure at point B; Figure 4 This is a schematic diagram of the internal component structure of the support structure and auxiliary structure of this utility model; Figure 5 This utility model Figure 4 A schematic diagram of the structure at point C; Figure 6 This is a schematic diagram showing the position and structure of the chain link and chain shaft of this utility model.
[0012] In the diagram: 1. Axle; 2. Wooden block; 3. Ear plate; 4. Jack; 5. Pickaxe handle; 6. Support structure; 61. Support plate; 62. Partition plate; 63. Ball bearing; 64. Rolling rod; 65. Key block; 66. Ring groove; 67. Column block; 7. Auxiliary structure; 71. Flexible belt; 72. Connecting rope; 73. Chain link; 74. Chain shaft; 75. Fastening head; 76. Sleeve block; 77. Threaded block. Detailed Implementation
[0013] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.
[0014] In the embodiments of the utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the position or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, 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 of the utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Similarly, words such as "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.
[0015] Furthermore, in the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0016] Please see Figure 1-6 This utility model provides a technical solution: A tool for inspecting damage to the tread of railway freight car wheels by rotation includes an axle 1, a wooden block 2, ear plates 3, a jack 4, a pick handle 5, a support structure 6, and an auxiliary structure 7. The wooden block 2 is provided at the bottom of the axle 1. Two ear plates 3 are fixedly connected to the front and rear ends of the wooden block 2. The jack 4 is provided at the top of the ear plates 3. The pick handle 5 is installed at the front end of the jack 4. The support structure 6 is provided at the top of the jack 4. Two auxiliary structures 7 are provided on the left and right sides of the support structure 6.
[0017] The support structure 6 includes a support plate 61, a partition plate 62, a ball bearing 63, a rolling rod 64, a key block 65, an annular groove 66, and a column block 67. The top of the support plate 61 is fixedly connected to the partition plate 62. A ball bearing 63 is installed inside the partition plate 62. A rolling rod 64 is installed on the inner ring of the ball bearing 63 via the key block 65. An annular groove 66 is formed on the outer side of the center of the rolling rod 64. Column blocks 67 are symmetrically distributed and fixedly connected to both ends of the support plate 61. This configuration forms the support structure 6 for limiting the movement of the axle 1. Auxiliary structures 7 are symmetrically distributed on both sides of the support plate 61. The auxiliary structures 7 include a flexible belt 71, a connecting rope 72, a chain link 73, a chain shaft 74, a fastening head 75, a sleeve block 76, and a threaded block 77. A flexible belt 71 is fixedly connected below it. A connecting rope 72 is fixedly connected to a top chain link 73 at one end. A chain shaft 74 is rotatably arranged between adjacent chain links 73. A fastening head 75 is fixedly connected to a sleeve block 76 at one end, and a threaded block 77 is fixedly connected to the other end of the sleeve block 76. Through the above arrangement, an assembled auxiliary structure 7 is formed. The sleeve block 76 and the chain link 73 are slidably placed. The threaded block 77 is threadedly assembled with the internal thread of the column block 67. The fastening head 75 is in contact with the chain link 73. The flexible belt 71 and the rolling rod 64 are in contact with the axle 1. Through the above arrangement, a combined installation structure of the auxiliary structure 7 is formed. The output end of the jack 4 is threadedly assembled inside the lower part of the support plate 61 through a stud. The bottom end of the jack 4 is inserted into the top of the pad 2 with an inner groove. Through the above arrangement, the installation and placement of the jack 4 is formed.
[0018] Workflow: This utility model provides a rotating inspection tool for railway freight car wheel tread damage. After confirming that the TPDS device has detected wheel tread damage at the rail location, the rotating inspection tool is placed under the axle 1 of the wheel to be inspected. The sleeve block 76 and chain link 73 are slidably positioned. The threaded block 77 and column block 67 are internally threaded and assembled. The fastening head 75 abuts against the chain link 73. The flexible belt 71 and rolling rod 64 abut against the axle 1, aligning the annular groove 66 at the center of the rolling rod 64 with the center of the axle 1. At this point, the axle 1 is secured between the two rolling rods 64, supported by a jack 4 located below the support plate 61. The pick 5 is used for lifting operations. When starting, the pick is slowly driven, and the lifting status of the pick and the lifting status of the wheels on both sides of the axle 1 is carefully observed. When the wheel tread is 10mm away from the rail, it is ready. When the lifting height of the wheels on both sides meets the rotation requirements, the rolling rod 64 is used to drive the axle 1 to rotate, and the faulty part of the wheel tread is rotated to a convenient position for inspection and measurement. The main body of the tool is simple to manufacture and easy to assemble, which reduces the economic cost of inspection tools. It does not need to be purchased from the manufacturer and can be quickly processed and manufactured using waste materials. It makes the inspection of the wheel tread rotation of railway freight cars with TPDS equipment warning more convenient. This tool is suitable for large-scale promotion in the field of railway freight car operation and maintenance.
[0019] Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A tool for inspecting wheel tread damage by rotation in railway freight cars, comprising an axle (1), a wooden block (2), a lug plate (3), a jack (4), a pick handle (5), a support structure (6), and an auxiliary structure (7), characterized in that: The axle (1) is provided with a pad (2) at the bottom. The pad (2) is fixedly connected to two symmetrically distributed ear plates (3) at the front and rear ends. The ear plates (3) are provided with a jack (4) at the top. The jack (4) is equipped with a pickaxe handle (5) at the front end. The jack (4) is provided with a support structure (6) at the top. The support structure (6) is provided with two symmetrically distributed auxiliary structures (7) on the left and right sides.
2. The tool for inspecting damage to railway freight car wheel treads by rotation according to claim 1, characterized in that: The support structure (6) includes a support plate (61), a partition plate (62), a ball bearing (63), a rolling rod (64), a key block (65), an annular groove (66), and a column block (67). The top of the support plate (61) is fixedly connected to the partition plate (62). The ball bearing (63) is installed inside the partition plate (62). The inner ring of the ball bearing (63) is connected to the rolling rod (64) through the key block (65). An annular groove (66) is opened on the outer side of the center position of the rolling rod (64). The left and right ends of the support plate (61) are fixedly connected to the symmetrically distributed column blocks (67).
3. The tool for inspecting damage to the tread of railway freight car wheels by rotation according to claim 2, characterized in that: The pallet (61) is provided with symmetrically distributed auxiliary structures (7) on the left and right sides. The auxiliary structures (7) include a flexible belt (71), a connecting rope (72), a chain link (73), a chain shaft (74), a fastening head (75), a sleeve block (76), and a threaded block (77). The connecting rope (72) is fixedly connected to the bottom of the flexible belt (71). One end of the connecting rope (72) is fixedly connected to the top chain link (73). A chain shaft (74) is rotatably arranged between adjacent chain links (73). One end of the fastening head (75) is fixedly connected to the sleeve block (76), and one end of the sleeve block (76) is fixedly connected to the threaded block (77).
4. The tool for inspecting damage to the tread of railway freight car wheels according to claim 3, characterized in that: The sleeve block (76) and the chain link (73) are slidably placed, the threaded block (77) and the column block (67) are internally threaded and assembled, the fastening head (75) and the chain link (73) are in contact and fit together, and the flexible belt (71) and the rolling rod (64) are in contact and fit together with the axle (1).
5. The tool for inspecting damage to the tread of railway freight car wheels by rotation according to claim 2, characterized in that: The output end of the jack (4) is installed inside the lower part of the pallet (61) by a stud thread. The bottom end of the jack (4) is inserted and placed on the top of the pad (2) with an inner groove.