Receiving oil nozzle, wheel and sintering pallet

By designing a one-way valve receiving nozzle on the sintering trolley wheel, the problems of lubricating oil leakage and the formation of dried deposits were solved, achieving full lubrication of the wheel system and extending its service life.

CN224150661UActive Publication Date: 2026-04-21BEIJING CMRC SCI & TECH DEV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING CMRC SCI & TECH DEV
Filing Date
2025-04-18
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

The lubricating oil in the existing sintering trolley is prone to seeping out of the grease fitting, causing the lubricating oil to mix with iron powder and iron filings to form dried material. This affects the lubrication of the bearing components, resulting in wear on the wheels and axles and shortening their service life.

Method used

Design a receiving nozzle that includes a nozzle seat and a one-way valve to allow lubricating oil to flow unidirectionally into the bearing assembly, preventing lubricating oil from overflowing and forming dried deposits. The split structure facilitates replacement and sealing, ensuring that lubricating oil flows effectively into the bearing assembly.

Benefits of technology

It effectively prevents lubricant spillage and the formation of dried deposits, ensuring adequate lubrication of the wheel system, reducing wear, extending the service life of the wheel system, and lowering maintenance and repair costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of sintering pallets, and discloses a receiving oil nozzle, a wheel and a sintering pallet. The receiving oil nozzle comprises an oil nozzle seat used for being installed on an oil hole of a wheel, an oil injection cavity is formed in the oil nozzle seat, an oil injection opening communicated with the oil injection cavity is formed in the end of the oil nozzle seat, and a one-way valve is arranged in the oil injection cavity and allows lubricating oil to flow to the oil injection cavity through the oil injection opening. And lubricating oil is not allowed to flow to the oil injection port through the oil injection cavity. According to the receiving oil nozzle for the wheels of the sintering pallet, in the operation process of the sintering pallet, the one-way valve blocks the oil filling port, so that lubricating oil in the sintering pallet cannot overflow through the oil filling port, and dry matters can be prevented from being formed at the oil filling port, so that the phenomenon that the oil filling port is blocked in the oil filling process is avoided. And dry matters enter the bearing assembly along with the lubricating oil along the oil injection port, so that the bearing assembly is not lubricated in place and the wheel axle is abraded, and the service life of the whole wheel system is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of sintering trolleys, specifically to an oil receiving nozzle, wheels, and a sintering trolley. Background Technology

[0002] A sintering trolley typically consists of dozens of sintering carriages connected in sequence along a track. Each carriage includes a carriage body and a wheel system, which comprises a bushing, a wheel axle, and a wheel. The bushing is welded to the carriage body and has an interference fit with the wheel axle. The wheel is mounted on the wheel axle via a bearing assembly. An oil inlet on the outer end face of the wheel axle leads to the bearing assembly, allowing lubricating oil to be injected and flow to the corresponding bearing assembly. Lubrication of the sintering trolley is performed manually when it is not in operation, followed by cleaning and maintenance after operation.

[0003] Currently, the grease nipple structure of the sintering trolley's oil inlet is relatively simple. During operation, lubricating oil is prone to seeping out of the nipple, resulting in lubricating oil accumulation near the nipple. Dust such as iron powder and filings generated during transport can easily adhere to the seeped lubricating oil. Under high temperatures, the lubricating oil mixed with dust can easily form dried deposits. These deposits can then enter the bearing assembly along with the lubricating oil during injection, causing inadequate lubrication of the bearing assembly and wear on the wheel axle. Furthermore, the sintering trolley's hot operating environment, coupled with wear on the wheel system, makes the wheel components more susceptible to deformation and accelerated axle wear, potentially leading to wheel seizure, axle damage, and a shortened lifespan of the wheel system. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, the present invention provides an oil receiving nozzle, a wheel, and a sintering trolley.

[0005] This utility model provides a receiving oil nozzle for the wheel of a sintering trolley, including an oil nozzle seat for mounting on the oil hole of the wheel. The oil nozzle seat has an oil injection chamber inside, and an oil injection port communicating with the oil injection chamber is provided at the end of the oil nozzle seat. The oil injection chamber has a one-way valve inside, and the one-way valve is configured to allow lubricating oil to flow from the oil injection port to the oil injection chamber, but not allow lubricating oil to flow from the oil injection chamber to the oil injection port.

[0006] Optionally, the one-way valve includes a plug ball and a spring disposed within the oil filling chamber, the spring providing a spring force to the plug ball toward the oil filling port.

[0007] Optionally, the nozzle seat includes a base for mounting on an oil hole in a wheel and a connector detachably connected to the base, the base and the connector forming the oil filling chamber, and the oil filling port being disposed on the connector.

[0008] Optionally, the base includes a stud for threaded connection with the oil hole of the wheel and a threaded seat for threaded connection with the connector.

[0009] Optionally, the stud is provided with an oil guide hole that communicates with the oil injection chamber.

[0010] Optionally, the outer periphery of the connector is provided with a variable diameter groove, the diameter of which gradually decreases along the direction away from the base, so as to form a locking head at the end of the connector away from the base.

[0011] Optionally, the outer periphery of the card head is arc-shaped.

[0012] Optionally, the axis of the connector coincides with the axis of the oil inlet.

[0013] This utility model also provides a wheel for a sintering trolley, wherein the oil inlet of the wheel is provided with the aforementioned oil receiving nozzle.

[0014] This utility model also provides a sintering trolley, including a plurality of sintering carriages connected in sequence, each of which is provided with a plurality of the aforementioned wheels.

[0015] The technical solution provided by this utility model has the following advantages compared with the prior art:

[0016] Based on the oil receiving nozzle for the wheels of the sintering trolley provided by this utility model, during the oil filling process, lubricating oil can flow through the oil filling port to the oil filling chamber, and then to the subsequent bearing assembly. During the operation of the sintering trolley, the one-way valve will block the oil filling port, so that the lubricating oil in the sintering trolley cannot overflow through the oil filling port, avoiding the presence of lubricating oil near the oil filling port. This prevents the formation of dried deposits at the oil filling port, thus avoiding the situation where dried deposits enter the bearing assembly along with the lubricating oil during the oil filling process, causing inadequate lubrication of the bearing assembly and wear of the wheel axle, thereby increasing the service life of the entire wheel system. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a cross-sectional view of the receiving nozzle described in an embodiment of the present invention.

[0020] Explanation of reference numerals in the attached figures

[0021] 1. Oil nozzle seat; 11. Base; 111. Stud; 1111. Oil guide hole; 112. Threaded seat; 12. Connector; 121. Variable diameter groove; 122. Collar; 2. Oil filling chamber; 3. Oil filling port; 4. Check valve; 41. Plug ball; 42. Spring. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the solution of this utility model will be further described below. It should be noted that, unless otherwise specified, the embodiments and features of this utility model can be combined with each other.

[0023] The following description sets forth many specific details to provide a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; obviously, the embodiments described in the specification are only some embodiments of the present invention, and not all embodiments.

[0024] like Figure 1 As shown in the figure, the receiving oil nozzle for the wheel of a sintering trolley provided by this utility model includes an oil nozzle seat 1 for mounting on the oil hole of the wheel. The method of mounting the oil nozzle seat 1 on the oil hole is not limited; for example, it can be connected by a thread or a plug-in connection. The oil nozzle seat 1 has an oil filling chamber 2 inside, and an oil filling port 3 communicating with the oil filling chamber 2 at its end. During oil filling, lubricating oil can flow through the oil filling port 3 into the oil filling chamber 2 for buffering, and then flow into the corresponding bearing assembly for lubrication. The oil filling chamber 2 has a one-way valve 4 inside. The one-way valve 4 is configured to allow lubricating oil to flow from the oil filling port 3 to the oil filling chamber 2, but not to allow lubricating oil to flow from the oil filling chamber 2 to the oil filling port 3.

[0025] Based on the oil receiving nozzle for the wheels of the sintering trolley provided by this utility model, during the oil filling process, lubricating oil can flow through the oil filling port 3 to the oil filling chamber 2, and then to the subsequent bearing assembly. During the operation of the sintering trolley, the one-way valve 4 will block the oil filling port 3, so that the lubricating oil in the sintering trolley cannot overflow through the oil filling port 3, avoiding the presence of lubricating oil near the oil filling port 3. This prevents the formation of dried deposits at the oil filling port 3, thus preventing dried deposits from entering the bearing assembly along with the lubricating oil during the oil filling process, causing inadequate lubrication of the bearing assembly and wear of the wheel axle. It also prevents dust such as iron powder and iron filings from causing wear damage to the wheel system, and provides sufficient lubrication to the wheel system, thereby minimizing the maintenance and repair costs of the wheel system and increasing the service life of the entire wheel system.

[0026] In some implementations, such as Figure 1 As shown, the one-way valve 4 includes a plugging ball 41 and a spring 42 disposed within the oil filling chamber 2. The spring 42 provides a spring force to the plugging ball 41 towards the oil filling port 3. Specifically, the diameter of the oil filling chamber 2 is larger than the diameter of the oil filling port 3, and the diameter of the plugging ball 41 is larger than the diameter of the oil filling port 3 but smaller than the diameter of the oil filling chamber 2. The plugging ball 41 is disposed on the side of the spring 42 near the oil filling port 3, and the spring force applied by the spring 42 to the plugging ball 41 allows the plugging ball 41 to block the end of the oil filling port 3. During the oil filling process, under the pressure of the lubricating oil, the plugging ball 41 can overcome the spring force of the spring 42 and move in a direction away from the oil filling port 3, so that the lubricating oil can enter the oil filling chamber 2 through the oil filling port 3 and then flow to the bearing assembly.

[0027] The one-way valve 4 in this design has a simple structure, ensuring one-way flow of lubricating oil and preventing the oil nozzle inside the trolley wheel from overflowing backwards after oiling. This reduces the occurrence of leaking lubricating oil adhering to the wheel and oil inlet 3, which, due to high temperature drying, adheres to iron powder and other dust, forming hard-to-clean dried deposits. In addition, the spherical plugging ball 41, when the lubricating oil tends to move towards the oil inlet 3, can tightly adhere to the end of the oil inlet 3 under the pressure of the lubricating oil and the elasticity of the spring 42, thus sealing the oil inlet 3 and ensuring a sealing effect.

[0028] In some implementations, reference continues. Figure 1 The oil nozzle seat 1 includes a base 11 for mounting on the oil hole of the wheel and a connector 12 detachably connected to the base 11. The base 11 and the connector 12 form an oil filling chamber 2, and the oil filling port 3 is provided on the connector 12.

[0029] In this design, the nozzle seat 1 adopts a split design, which facilitates the replacement of the one-way valve 4 and ensures the one-way sealing effect of the one-way valve 4; in addition, it also facilitates the replacement of the connector 12, so as to connect to different oiling devices and increase the applicability.

[0030] In some embodiments, the base 11 includes a stud 111 for threaded connection with an oil hole of the wheel and a threaded seat 112 for threaded connection with the connector 12. Specifically, the stud 111 has an external thread on its outer periphery, which matches the internal thread of the oil hole of the wheel, so that the stud 111 can be screwed into the oil hole. The inner wall of the threaded seat 112 has an internal thread. The end of the connector 12 facing the threaded seat 112 has a column, and the outer periphery of the column has an external thread, so that the column of the connector 12 can be screwed into the threaded seat 112.

[0031] This design improves the ease of assembling and disassembling the base 11, oil hole, and connector 12.

[0032] In some embodiments, the stud 111 has a through-hole 1111 communicating with the oil filling chamber 2. Specifically, one end of the oil guiding hole 1111 communicates with the oil filling chamber 2, and the other end communicates with the bearing assembly, so that lubricating oil can sequentially enter the bearing assembly through the oil filling port 3, the oil filling chamber 2, and the oil guiding hole 1111. The oil guiding hole 1111 is positioned opposite to the oil filling port 3 to facilitate the flow of lubricating oil.

[0033] In some implementations, such as Figure 1 As shown, the outer periphery of the connector 12 is provided with a variable diameter groove 121. The diameter of the variable diameter groove 121 gradually decreases along the direction away from the base 11, so as to form a clamp 122 at one end of the connector 12 away from the base 11.

[0034] This design facilitates the connection between connector 12 and the plug of the oil injection device.

[0035] In some implementations, the outer periphery of the card head 122 is arc-shaped.

[0036] In this design, the matching method of the tapered connector 12 and the arc-shaped clamp 122 expands the error range during alignment, ensuring that under certain error conditions, the plug of the trolley oiling device and the connector 12 of the oil nozzle seat 1 are on the same axis, enabling quick and accurate connection. Furthermore, its tilt angle and arc-shaped outer diameter parameters are closely fitted with the docking plug of the trolley oiling device, ensuring a sealing effect after quick connection.

[0037] In some embodiments, the axis of connector 12 coincides with the axis of oil inlet 3.

[0038] With this design, when connector 12 is engaged with the oil filling device plug, the oil filling nozzle of the plug can be aligned with the oil filling port 3, ensuring that the oil filling operation is completed smoothly.

[0039] This utility model also provides a wheel for a sintering trolley, wherein the oil inlet 3 of the wheel is provided with the aforementioned oil receiving nozzle. This oil receiving nozzle includes all the features of the aforementioned oil receiving nozzle for a wheel of a sintering trolley.

[0040] This utility model also provides a sintering trolley, comprising a plurality of sintering carriages connected in sequence, each sintering carriage being provided with a plurality of the aforementioned wheels. The wheels here include all the technical features of the aforementioned wheels, and further include all the features of the aforementioned oil receiving nozzles for the wheels of the sintering trolley.

[0041] The sintering trolley provided by this utility model, based on the design of the receiving oil nozzle, can prevent lubricating oil from leaking from the oil inlet 3 and adhering to the wheels and the vicinity of the oil inlet 3. This prevents the leaked lubricating oil from drying at high temperature and adhering to iron powder, iron filings and other dust, forming hard-to-clean dried material. This prevents the dried material from entering the wheels, axles, axle sleeves and other parts with the lubricating oil, thereby avoiding wear on the wheel system of the sintering trolley and increasing the service life of the sintering trolley.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0043] The above description is merely a specific embodiment of this utility model, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this utility model. Therefore, this utility model is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features of the utility model described herein.

Claims

1. A receiving spud for the wheels of a sintering trolley, characterized in that, The system includes a grease fitting seat (1) for mounting on the oil hole of a wheel. The grease fitting seat (1) has an internal oil filling chamber (2). An oil filling port (3) communicating with the oil filling chamber (2) is located at one end of the grease fitting seat (1). A one-way valve (4) is located inside the oil filling chamber (2). The one-way valve (4) is configured to allow lubricating oil to flow through the oil filling port (3) to the oil filling chamber (2), but not to allow lubricating oil to flow through the oil filling chamber (2) to the oil filling port (3). The grease fitting seat (1) includes components for mounting on a vehicle... The base (11) on the oil hole of the wheel and the connector (12) detachably connected to the base (11) form the oil filling cavity (2) between the base (11) and the connector (12). The oil filling port (3) is provided on the connector (12). The outer periphery of the connector (12) is provided with a variable diameter groove (121). The diameter of the variable diameter groove (121) gradually decreases along the direction away from the base (11) to form a clamp (122) at the end of the connector (12) away from the base (11).

2. The receiving spool for the wheels of a sintering pallet according to claim 1, characterized in that, The one-way valve (4) includes a plug ball (41) and a spring (42) disposed in the oil filling chamber (2), the spring (42) providing elastic force to the plug ball (41) in the direction of the oil filling port (3).

3. The receiving spool for the wheels of a sintering pallet according to claim 1, characterized in that, The base (11) includes a stud (111) for threaded connection with the oil hole of the wheel and a threaded seat (112) for threaded connection with the connector (12).

4. The receiving spool for the wheels of a sintering pallet according to claim 3, characterized in that, The stud (111) is provided with an oil guide hole (1111) that communicates with the oil injection chamber (2).

5. The receiving spool for the wheels of a sintering pallet according to claim 1, characterized in that, The outer periphery of the card head (122) is arc-shaped.

6. The receiving spool for the wheels of a sintering pallet according to claim 1, characterized in that, The axis of the connector (12) coincides with the axis of the oil inlet (3).

7. A wheel for a sintering trolley, characterized in that The oil inlet (3) of the wheel is provided with an oil receiving nozzle as described in any one of claims 1 to 6.

8. A sintering pallet, characterized by It includes a plurality of sintering carriages connected in sequence, and each of the sintering carriages is provided with a plurality of wheels as described in claim 7.