Multifunctional testing fixture for polyurethane crawler wheel core
By designing a multifunctional inspection tool that integrates external hole and flange inspection rings, the problem of low inspection efficiency in existing technologies has been solved, enabling fast and convenient wheel core inspection, and making it suitable for wheel core inspection of different sizes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAXING TAITE RUBBER
- Filing Date
- 2025-06-17
- Publication Date
- 2026-04-17
AI Technical Summary
In the inspection process of polyurethane track wheel cores, existing technologies require frequent tool switching to inspect flange holes and outer holes, resulting in low inspection efficiency and inconvenience for inspecting wheel cores of different sizes.
Design a multifunctional inspection tool that integrates an outer hole inspection ring and a flange inspection ring. By using a combination of locking bolts and nuts, it can simultaneously inspect the flange hole position and outer hole diameter. It can also be adapted to inspect wheel cores of different sizes by changing the inspection components.
It enables rapid detection of flange holes and outer diameters, shortens detection time, saves physical labor, improves detection efficiency and applicability, and simplifies the operation process.
Smart Images

Figure CN224136528U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an inspection tool, specifically a multifunctional inspection tool for polyurethane track wheel cores, belonging to the technical field of mechanical parts inspection devices. Background Technology
[0002] With tracked machinery widely used in agriculture, construction, and mining, polyurethane track wheels have become an ideal replacement for traditional rubber track wheels due to their excellent wear and corrosion resistance. However, during the wheel core production and assembly process, dimensional accuracy directly affects the stability and service life of the track. To ensure precise fit between the wheel core and components such as the track and bearings, strict testing of key dimensions is necessary. Among these, the positional accuracy of the flange holes and the outer hole dimensions are core indicators affecting assembly quality.
[0003] However, when inspecting flange holes and external holes, it is often necessary to use traditional tools such as vernier calipers, plug gauges, and coordinate measuring machines to perform step-by-step inspections. Frequent tool switching wastes time and energy, thus reducing inspection efficiency. Utility Model Content
[0004] The purpose of this invention is to provide a multifunctional inspection tool for polyurethane track wheel cores to solve the above-mentioned problems. It can detect the position of flange holes while detecting the outer hole diameter, which can not only shorten the detection time but also simplify the detection steps, thereby effectively improving the detection efficiency. Moreover, when it is necessary to detect wheel cores of different sizes, only the detection parts of different sizes need to be replaced, thereby effectively improving the applicability.
[0005] This utility model achieves the above-mentioned objective through the following technical solution: a multifunctional inspection tool for polyurethane track wheel cores, comprising an outer hole inspection ring, the outer hole inspection ring having multiple observation holes, a flange inspection ring at the bottom end of the outer hole inspection ring having multiple comparison holes, multiple positioning sleeves abutting between the flange inspection ring and the outer hole inspection ring, multiple through grooves on the outer hole inspection ring, and multiple through grooves on the flange inspection ring, the flange inspection ring also having multiple through grooves, the through grooves on the flange inspection ring and the adjacent through grooves on the outer hole inspection ring having the same locking bolt passing through their interiors, a nut threaded onto the locking bolt, the nut abutting against the outer hole inspection ring, a handle detachably mounted on the outer hole inspection ring, a wheel core body at the bottom end of the flange inspection ring, an outer hole on the wheel core body, and multiple flange holes on the wheel core body.
[0006] Preferably, one end of the vertical cross-section of the locking bolt has a T-shaped structure, and the other end of the vertical cross-section of the locking bolt has a trapezoidal structure.
[0007] Preferably, the plurality of comparison holes are arranged in a circumferential array about the center of the flange detection ring, and the plurality of observation holes are arranged in a circumferential array about the middle of the outer hole detection ring.
[0008] Preferably, the outer hole detection ring is provided with multiple positioning grooves, the flange detection ring is provided with multiple positioning grooves, and the two ends of the positioning sleeve are respectively engaged with two of the positioning grooves.
[0009] Preferably, the flange inspection ring is provided with multiple bayonets, and one end of the locking bolt engages with the adjacent bayonets.
[0010] Preferably, the center of the positioning sleeve and the center of the locking bolt passing through it are on the same straight line, and the end of the vertical section of the positioning sleeve has a trapezoidal structure.
[0011] Preferably, a protrusion is fixedly connected to the outer hole detection ring, and two fixing bolts pass through the handle, with the two fixing bolts bolted to the same protrusion.
[0012] Preferably, the handle has two positioning protrusions that engage with the same protrusion, and the bottom of the positioning protrusion has a trapezoidal cross-section.
[0013] The beneficial effects of this utility model are as follows: the outer diameter of the outer hole detection ring is equal to the standard diameter of the outer hole of the wheel core, and the positions of the comparison holes and the standard positions of the flange holes correspond one-to-one. Therefore, when it is necessary to detect the diameter of the outer hole of the wheel core and the position of the flange holes, the outer hole detection ring can be moved by hand. If the outer hole detection ring can be inserted into the inner part of the outer hole of the wheel core, the diameter of the outer hole of the wheel core is qualified; otherwise, it is unqualified. After the outer hole detection ring is inserted into the inner part of the outer hole of the wheel core, the bottom end of the flange detection ring will abut against the wheel core body. At this time, the outer hole detection ring can be rotated by hand, and the flange detection ring will rotate with the outer hole detection ring. As the flange detection ring rotates, the positions of the comparison holes and the flange holes will overlap. At this time, the relative positions of the flange holes and adjacent comparison holes can be observed through the observation holes. When each flange hole is located in the same position as its adjacent comparison holes, then... The system determines whether the test is successful or not, thus enabling rapid detection of the flange hole position and the outer diameter of the wheel core. This shortens the testing time, saves physical labor, and improves testing efficiency. Furthermore, by unscrewing multiple nuts from the locking bolt, different sizes of outer hole detection rings, positioning sleeves, and flange detection rings can be replaced, facilitating the testing of wheel core bodies of different specifications and effectively improving applicability. When installing the locking bolt, the bolt can first pass through the two through slots, and then the locking bolt can be rotated 90 degrees. At this point, one side of the locking bolt will contact the flange detection ring. Then, the nut can be placed on the locking bolt and tightened. Therefore, when installing the locking bolt, it is only necessary to install it on one side of the outer hole detection ring, without frequently moving the outer hole detection ring to pass the bolt through the other side, thus effectively improving the convenience of installation. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the connection structure between the outer hole detection ring and the positioning sleeve of this utility model;
[0016] Figure 3 This is a schematic diagram of the connection structure between the flange inspection ring and the comparison hole of this utility model;
[0017] Figure 4 for Figure 3 The diagram shown is an enlarged view of the structure of part A.
[0018] Figure 5 This is a schematic diagram of the connection structure between the outer hole detection ring and the observation hole of this utility model;
[0019] Figure 6 for Figure 5 The diagram shown is an enlarged view of the structure of section B.
[0020] Figure 7This is a schematic diagram of the locking bolt of this utility model;
[0021] Figure 8 This is a schematic diagram of the positioning sleeve of this utility model.
[0022] In the diagram: 1. Outer hole inspection ring; 2. Observation hole; 3. Positioning sleeve; 4. Positioning groove; 5. Flange inspection ring; 6. Comparison hole; 7. Locking bolt; 8. Nut; 9. Through groove; 10. Bayonet; 11. Handle; 12. Positioning protrusion; 13. Protrusion; 14. Fixing bolt; 15. Wheel core body; 16. Wheel core outer hole; 17. Flange hole. Detailed Implementation
[0023] 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.
[0024] Please see Figures 1-8 As shown, a multifunctional inspection tool for polyurethane track wheel cores includes an outer hole inspection ring 1 with multiple observation holes 2. A flange inspection ring 5 is located at the bottom of the outer hole inspection ring 1, with multiple comparison holes 6. Multiple positioning sleeves 3 abut against the flange inspection ring 5 and the outer hole inspection ring 1. The outer hole inspection ring 1 has multiple through grooves 9, and the flange inspection ring 5 also has multiple through grooves 9. A single locking bolt 7 passes through the through grooves 9 on the flange inspection ring 5 and the adjacent through grooves 9 on the outer hole inspection ring 1. A nut 8 is threaded onto the locking bolt 7, and the nut 8 abuts against the outer hole inspection ring 1. A handle 11 is detachably installed on the outer hole inspection ring 1. A wheel core body 15 is located at the bottom of the flange inspection ring 5, with an outer wheel core hole 16 and multiple flange holes 17.
[0025] As a technical optimization of this utility model, one end of the vertical section of the locking bolt 7 has a T-shaped structure. Therefore, when the locking bolt 7 passes through the through groove 9 and is rotated 90 degrees and pulled in the opposite direction, the flange detection ring 5 can block it. The other end of the vertical section of the locking bolt 7 has a trapezoidal structure. Therefore, when the locking bolt 7 passes through the nut 8, it can play a guiding role.
[0026] As a technical optimization of this utility model, the plurality of comparison holes 6 are arranged in a circular array about the center of the flange detection ring 5, and the plurality of observation holes 2 are arranged in a circular array about the middle of the outer hole detection ring 1. Therefore, the relative positions of the comparison holes 6 and the flange holes 17 can be easily observed through the observation holes 2.
[0027] As a technical optimization of this utility model, the outer hole detection ring 1 is provided with a plurality of positioning grooves 4, the flange detection ring 5 is provided with a plurality of positioning grooves 4, and the two ends of the positioning sleeve 3 are respectively engaged with two of the positioning grooves 4. By engaging one end of the positioning sleeve 3 with the positioning groove 4 on the outer hole detection ring 1 and the other end with the positioning groove 4 on the flange detection ring 5, the positioning of the three can be achieved.
[0028] As a technical optimization of this utility model, the flange detection ring 5 is provided with multiple bayonets 10. By locking the bolt 7 into the bayonet 10, the locking bolt 7 can be prevented from rotating with the nut 8 when the nut 8 is rotated, thereby effectively improving the convenience of operation. One end of the locking bolt 7 is engaged with the adjacent bayonet 10.
[0029] As a technical optimization of this utility model, the center of the positioning sleeve 3 and the center of the locking bolt 7 passing through it are on the same straight line. The end of the vertical section of the positioning sleeve 3 has a trapezoidal structure, so it can play a guiding role when the positioning sleeve 3 and the positioning groove 4 are engaged.
[0030] As a technical optimization of this utility model, a protrusion 13 is fixedly connected to the outer hole detection ring 1, and two fixing bolts 14 pass through the handle 11. The two fixing bolts 14 are bolted to the same protrusion 13, thus enabling the installation and fixing of the handle 11.
[0031] As a technical optimization of this utility model, the handle 11 is provided with two positioning protrusions 12, so that the handle 11 can be positioned when it is installed, thereby facilitating the entry of the fixing bolt 14 into the interior of the protrusion 13. The two positioning protrusions 12 are engaged with the same protrusion 13. The cross-section of the bottom end of the positioning protrusion 12 is trapezoidal, so it can play a guiding role when the positioning protrusion 12 and the protrusion 13 are engaged.
[0032] In use, the outer diameter of the outer hole detection ring 1 is equal to the standard hole diameter of the outer hole 16 of the wheel core. The position of the comparison hole 6 corresponds one-to-one with the standard position of the flange hole 17. Therefore, when it is necessary to test the hole diameter of the outer hole 16 of the wheel core and the position of the flange hole 17, the outer hole detection ring 1 can be moved by holding the handle 11. If the outer hole detection ring 1 can be inserted into the inner part of the outer hole 16 of the wheel core, the hole diameter of the outer hole 16 of the wheel core is qualified; otherwise, it is unqualified. After the outer hole detection ring 1 is inserted into the inner part of the outer hole 16 of the wheel core, the bottom end of the flange detection ring 5 will abut against the wheel core body 15. At this time, the outer hole detection ring can be rotated by holding the handle 11. 1. The flange inspection ring 5 rotates together with the outer hole inspection ring 1. As the flange inspection ring 5 rotates, the positions of the comparison hole 6 and the flange hole 17 overlap. At this time, the relative positions of the flange hole 17 and the adjacent comparison hole 6 are observed through the observation hole 2. When each flange hole 17 is located in the same position as its adjacent comparison hole 6, it is qualified; otherwise, it is unqualified. This enables rapid detection of the position of the flange hole 17 and the diameter of the outer hole 16 of the wheel core, shortening the detection time, saving detection labor, and thus improving detection efficiency. Furthermore, the outer hole inspection ring 1 of different sizes can be replaced by unscrewing the multiple nuts 8 from the locking bolt 7. The fixture includes positioning sleeves 3 and flange inspection rings 5, facilitating the inspection of wheel core bodies 15 of different specifications and effectively improving applicability. When installing the fixture, the flange inspection ring 5 is first placed flat on the table, then multiple positioning sleeves 3 are sequentially placed into the positioning grooves 4. The outer hole inspection ring 1 is then moved to engage with the multiple positioning grooves 4 and the corresponding positioning sleeves 3, thus achieving positioning between the outer hole inspection ring 1, positioning sleeves 3, and flange inspection ring 5. After positioning, the locking bolt 7 can be held and passed through the two through slots 9, then rotated 90 degrees and pulled to engage with the bayonet 10. The two nuts 8 are engaged, and then the nuts 8 are put on the locking bolts 7 and tightened. Therefore, when installing the locking bolts 7, it is only necessary to install them on one side of the outer hole inspection ring 1, without having to frequently move the outer hole inspection ring 1 to pass through the locking bolts 7 from the other side. This effectively improves the convenience of the installation operation. After all the nuts 8 are tightened, the handle 11 can be moved to engage the two positioning protrusions 12 with the protrusions 13. Then, the two fixing bolts 14 are passed through the handle 11 in sequence and threadedly connected to the protrusions 13. After the two fixing bolts 14 are tightened, the handle 11 is installed, thus completing the installation of the entire inspection tool.
[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0034] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A multifunctional gauge for polyurethane track wheel core comprising an outer hole detection ring (1), characterized in that: The outer hole detection ring (1) is provided with multiple observation holes (2). The bottom end of the outer hole detection ring (1) is provided with a flange detection ring (5). The flange detection ring (5) is provided with multiple comparison holes (6). Multiple positioning sleeves (3) abut against the flange detection ring (5) and the outer hole detection ring (1). The outer hole detection ring (1) is provided with multiple through grooves (9). The flange detection ring (5) is also provided with multiple through grooves (9). The through grooves (9) on the flange detection ring (5) and the adjacent through grooves (9) on the flange detection ring (5) are provided with multiple through grooves (9). The same locking bolt (7) runs through the inside of the through groove (9) on the outer hole detection ring (1). A nut (8) is threaded onto the locking bolt (7). The nut (8) abuts against the outer hole detection ring (1). A handle (11) is detachably installed on the outer hole detection ring (1). A wheel core body (15) is provided at the bottom end of the flange detection ring (5). A wheel core outer hole (16) is opened on the wheel core body (15). Multiple flange holes (17) are provided on the wheel core body (15).
2. A multi-functional gauge for polyurethane track wheel core as claimed in claim 1, wherein: One end of the vertical section of the locking bolt (7) has a T-shaped structure, and the other end of the vertical section of the locking bolt (7) has a trapezoidal structure.
3. A multi-purpose gauge for polyurethane track wheel core as claimed in claim 1, wherein: The multiple comparison holes (6) are arranged in a circular array about the center of the flange detection ring (5), and the multiple observation holes (2) are arranged in a circular array about the middle of the outer hole detection ring (1).
4. A multi-purpose gauge for polyurethane track wheel core as claimed in claim 1, wherein: The outer hole detection ring (1) is provided with multiple positioning grooves (4), the flange detection ring (5) is provided with multiple positioning grooves (4), and the two ends of the positioning sleeve (3) are respectively engaged with two of the positioning grooves (4).
5. A multi-purpose gauge for polyurethane track wheel core as claimed in claim 1, wherein: The flange inspection ring (5) is provided with multiple bayonets (10), and one end of the locking bolt (7) engages with the adjacent bayonets (10).
6. A multi-purpose gauge for polyurethane track wheel core as claimed in claim 1, wherein: The center of the positioning sleeve (3) and the center of the locking bolt (7) passing through it are on the same straight line, and the end of the vertical section of the positioning sleeve (3) has a trapezoidal structure.
7. A multi-purpose gauge for polyurethane track wheel core as claimed in claim 6, wherein: A protrusion (13) is fixedly connected to the outer hole detection ring (1), and two fixing bolts (14) pass through the handle (11). The two fixing bolts (14) are bolted to the same protrusion (13).
8. A multi-purpose gauge for polyurethane track wheel core as claimed in claim 7, wherein: The handle (11) is provided with two positioning protrusions (12), which engage with the same protrusion (13). The bottom of the positioning protrusion (12) has a trapezoidal cross-section.