A dismounting device
Patent Information
- Application Number
- CN202522517565.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-27
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-11-27
AI Technical Summary
[0004]有鉴于此,本申请提供了一种拆卸装置,主要目的在于解决维修人员在拆卸减速机车轮轴时,多采用传统的手工敲击方法,导致受力不均匀,容易使车轮、端盖或轴本身发生变形或裂纹,可能损坏减速机内部的轴承或齿轮结构的技术问题
[0015]本申请提供了一种拆卸装置,包括:架体;放置槽,所述放置槽设在所述架体内部;油缸,所述油缸设在所述架体内部。本申请提供的拆卸装置通过架体提供稳定的支撑结构,放置槽用于精确固定车轮和车轴的位置,确保受力对齐,油缸通过可控的液压压力代替传统人力敲击,能够施加均匀、平稳的向下顶出力,从而有效避免车轮、端盖或轴因受力不均而变形或开裂,同时防止减速机内部轴承和齿轮结构的损坏,显著降低维修过程中的安全风险和劳动强度,提高拆卸效率,延长设备使用寿命,并减少维修成本和时间损失。
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Figure CN224825300U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of heating control technology, and in particular to a disassembly device. Background Technology
[0002] In the field of industrial machinery maintenance, speed reducers are widely used transmission devices, primarily used to reduce motor speed and increase output torque to drive various mechanical systems. The wheel axle, as a key connecting component between the speed reducer and the wheel, is responsible for transmitting power and supporting the load. During daily operation, wheel axles may wear or seize due to long-term friction, corrosion, or interference fits, requiring disassembly for repair or replacement. Disassembly typically involves separating the axle from the wheel or speed reducer. However, because the axle and components often use an interference fit (a tight connection where the shaft diameter is slightly larger than the bore diameter), uniform external force must be applied during disassembly to avoid secondary damage to precision parts. This type of maintenance is common in the mining, metallurgical, or transportation industries and is a crucial step in ensuring the long-term stable operation of equipment.
[0003] Currently, maintenance personnel often use traditional manual hammering methods when disassembling gearbox wheel axles. For example, they might use a copper rod or sledgehammer to directly strike the axle end, forcibly pushing it out by hand. However, this method has significant drawbacks: manual hammering makes it difficult to control the force and direction, leading to uneven stress and potentially causing deformation or cracks in the wheel, end cap, or axle itself. Furthermore, excessive impact force can damage the gearbox's internal bearings or gear structure, increasing maintenance complexity and time costs, and potentially shortening the equipment's lifespan due to component damage. In addition, manual operation requires significant physical strength from maintenance personnel, posing safety hazards and ultimately increasing maintenance costs and downtime losses. Utility Model Content
[0004] In view of this, this application provides a disassembly device, the main purpose of which is to solve the technical problem that maintenance personnel often use traditional manual hammering methods when disassembling the gearbox wheel axle, which leads to uneven force, which can easily cause deformation or cracks in the wheel, end cover or axle itself, and may damage the bearing or gear structure inside the gearbox.
[0005] This application provides a disassembly device, comprising: Frame; A placement slot is provided inside the frame; The hydraulic cylinder is located inside the frame.
[0006] In one feasible implementation, the device further includes: A wheel, which is disposed on the placement groove.
[0007] In one feasible implementation, the device further includes: The axle is connected at one end to the wheel and at the other end to the hydraulic cylinder.
[0008] In one feasible implementation, the placement slot is located in the middle of the frame and is used to place the wheel and the axle.
[0009] In one feasible implementation, the device further includes: A through hole is formed in the placement groove.
[0010] In one feasible implementation, the cross-sectional area of the through hole is larger than the cross-sectional area of the axle but smaller than the cross-sectional area of the wheel.
[0011] In one feasible implementation, the device further includes: An oil storage chamber is connected to the oil cylinder.
[0012] In one feasible implementation, the frame includes: Placement section, the placement section being used to accommodate the placement slot; A support portion is connected to the placement portion and is used to support the placement portion.
[0013] In one feasible implementation, the hydraulic cylinder is located at one end of the placement part, the placement groove is located at the other end of the placement part, and the placement groove is located within the projected area of the hydraulic cylinder.
[0014] In one feasible implementation, the cylinder is a hydraulic jack.
[0015] This application provides a disassembly device, comprising: a frame; a placement slot disposed inside the frame; and a hydraulic cylinder disposed inside the frame. The disassembly device provided by this application provides a stable support structure through the frame, the placement slot is used to precisely fix the position of the wheels and axles to ensure force alignment, and the hydraulic cylinder, through controllable hydraulic pressure, replaces traditional manual hammering, enabling the application of a uniform and stable downward pushing force. This effectively prevents deformation or cracking of the wheels, end caps, or axles due to uneven force, while also preventing damage to the bearings and gear structures inside the reducer. This significantly reduces safety risks and labor intensity during maintenance, improves disassembly efficiency, extends equipment lifespan, and reduces maintenance costs and time losses.
[0016] Other features and advantages of this application will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the application. The objectives and other advantages of this application may be realized and obtained by means of the structures particularly pointed out in the written description, claims, and drawings.
[0017] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description
[0018] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 A schematic diagram of a disassembly device provided in an embodiment of this application is shown; Figure 2 A schematic diagram of the frame provided in an embodiment of this application is shown.
[0019] In the picture: 1. Frame; 2. Axle; 3. Wheel; 4. Hydraulic cylinder; 5. Oil reservoir. Detailed Implementation
[0020] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application 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 on this application.
[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0022] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., 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 between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0023] In a transmission system consisting of a speed reducer and wheels, the wheel axle, as a core connecting component, plays a crucial role in linking the upper and lower parts of the transmission. After the speed reducer reduces the motor speed and increases the output torque through its internal gear system, it must reliably transmit the power to the wheels to drive the equipment. One end of the wheel axle is fixedly connected to the output end of the speed reducer via a keyway or interference fit, while the other end is embedded in the wheel hub, thus forming a complete power transmission chain. This design not only needs to ensure efficient torque transmission but also needs to withstand radial loads and axial impacts during equipment operation. For example, in mining vehicles or metallurgical equipment, the wheel axle must maintain its structural integrity under heavy loads, vibrations, and frequent start-stop conditions.
[0024] However, because wheel axles are subjected to high loads, high friction, and complex environments for extended periods, their surfaces are prone to wear, corrosion, or deformation. This can lead to changes in the clearance between the axle and the reducer or wheel, and even cause jamming. While the interference fit design enhances connection stability, it also increases the difficulty of maintenance and disassembly: forcibly striking the axle end may cause the internal bearings of the reducer to fail, gears to misalign, or the wheel hub to crack, thereby affecting the accuracy and lifespan of the entire transmission system. Therefore, wheel axles are not only the hub of power transmission but also the weakest link that requires the most careful handling during maintenance.
[0025] See Figure 1 The diagram shows a structural schematic of a disassembly device provided in an embodiment of this application, comprising: Frame 1; Placement slot, the placement slot is located inside frame 1; Hydraulic cylinder 4 is located inside frame 1.
[0026] In the above embodiment, the frame 1 is first placed securely on the working surface, ensuring it is horizontal. Then, the placement slot is fixedly installed in a predetermined position inside the frame 1, ensuring its central axis is perpendicularly aligned with the force direction of the frame 1. Next, the hydraulic cylinder 4 is installed in a designated area inside the frame, secured with bolts or clips to form a stable structure, and connected to a hydraulic pipeline to a pressure source. During operation, the pressurization process of the hydraulic cylinder 4 is controlled to allow the piston rod to move smoothly in the vertical direction.
[0027] The frame 1 provides a rigid support base for the overall operation, the placement slot ensures the precise positioning of the parts to be disassembled, and the hydraulic cylinder 4 provides a controllable pushing force through the hydraulic system. The three work together to achieve uniform force transmission, avoiding the component tilting or damage caused by traditional hammering methods, and significantly improving the safety and reliability of disassembly operations.
[0028] Furthermore, the device also includes: Wheel 3 is placed on the placement slot.
[0029] In the above embodiment, at the start of the disassembly operation, the wheel 3 is placed smoothly on the placement slot inside the frame 1 to ensure that the contact surface of the wheel 3 and the placement slot are fully in contact. The position is adjusted so that the central axis of the wheel 3 is aligned with the axis of the placement slot, so as to provide a stable foundation for the subsequent disassembly of the axle 2.
[0030] By fixing the wheel 3 in the placement groove, it is possible to prevent the wheel 3 from shifting or shaking during the force application process, thereby ensuring that the disassembly force is evenly transmitted, reducing the deformation or wear of the wheel 3 due to instability, and improving operational safety.
[0031] Furthermore, the device also includes: Axle 2, one end of which is connected to wheel 3, and the other end is connected to cylinder 4.
[0032] In the above embodiment, the short end of the axle 2 is inserted downward into the connecting hole of the wheel 3, and the long end is aligned upward with the lower end of the cylinder 4 to ensure that the axle 2, the wheel 3 and the cylinder 4 are aligned in a straight line. Then, pressure is applied by the cylinder 4 to make the axle 2 move in the vertical direction.
[0033] The straight connection between axle 2, wheel 3, and cylinder 4 ensures that the force direction is consistent, avoiding component twisting caused by oblique force, thereby effectively preventing cracks or damage at the interface between axle 2 and wheel 3 and improving disassembly efficiency.
[0034] Furthermore, the placement slot is located in the middle of the frame 1 and is used to place the wheel 3 and the axle 2.
[0035] In the above embodiment, a placement groove is provided in the middle area of the frame 1, and the wheel 3 and axle 2 assembly is placed into the groove as a whole. The position is adjusted so that the long end of the axle 2 is vertically upward, which facilitates the docking and pressure application of the hydraulic cylinder 4.
[0036] The placement of the slot in the middle stabilizes the center of gravity of the device, distributes the stress points, reduces the local load on the frame 1, thereby reducing the risk of structural deformation and ensuring a smooth disassembly process.
[0037] Furthermore, the device also includes: Through holes are formed in the placement slots.
[0038] In the above embodiment, a through hole is opened at the bottom of the placement groove, the size of which allows the short end of the axle 2 to pass through, but prevents the wheel 3 from passing through, so that when the cylinder 4 presses down, the axle 2 can be pushed out while the wheel 3 remains in the groove.
[0039] The through-hole design guides the axle 2 to move along a predetermined path, preventing the wheel 3 from shifting with the axle, simplifying the operation steps, reducing component interference, and improving disassembly accuracy.
[0040] Furthermore, the cross-sectional area of the through hole is larger than that of the axle 2, but smaller than that of the wheel 3.
[0041] In the above embodiment, the size of the through hole is set to be slightly larger than the diameter of the axle 2 to ensure that the axle 2 can pass through smoothly, while being smaller than the outer diameter of the wheel 3 to support the wheel 3 so that it does not fall off. During the pressurization process, the axle 2 is pushed out separately.
[0042] This size matching ensures that the separation of axle 2 and wheel 3 is controllable, preventing wheel 3 from accidentally falling off or getting stuck, reducing maintenance complexity, and protecting the integrity of components.
[0043] Furthermore, the device also includes: Oil storage chamber 5 is connected to oil cylinder 4.
[0044] In the above embodiment, the oil storage chamber 5 is connected to the oil cylinder 4 through a pipeline. Before operation, hydraulic oil is injected into the oil storage chamber 5, and the oil pressure is adjusted by the control valve so that the oil cylinder 4 generates a stable pushing force.
[0045] The oil reservoir 5 provides a stable hydraulic source, making the output force of the cylinder 4 controllable and uniform, avoiding impact forces, thereby reducing instantaneous damage to the axle 2 and wheel 3, and extending the service life of the device.
[0046] See Figure 2 The diagram shows a structural schematic of the frame provided in an embodiment of this application. Further, the frame 1 includes: The placement section is used to accommodate the placement slot; The support section connects to the placement section and is used to support the placement section.
[0047] In the above embodiment, the placement part serves as a platform to support the placement slot and components, and the support part is reinforced from below to ensure that the overall structure does not deform when the hydraulic cylinder 4 applies pressure, and the two parts are connected by bolts or welding.
[0048] The segmented design of frame 1 enhances overall rigidity and stability, preventing swaying under heavy pressure, improving disassembly reliability, and reducing adjustment time during maintenance.
[0049] Furthermore, the hydraulic cylinder 4 is located at one end of the placement part, and the placement groove is located at the other end of the placement part, with the placement groove situated within the projected area of the hydraulic cylinder 4.
[0050] In the above embodiment, during installation, the lower end of the hydraulic cylinder 4 is aligned with the long end of the axle 2 at the center of the placement groove, and the position is adjusted to ensure that the axis of the hydraulic cylinder 4 coincides with the axis of the axle 2, so that the force is directly transmitted when pressure is applied.
[0051] This layout optimizes the force transmission path, reduces energy loss, ensures that the ejection force is fully used to push out axle 2, improves efficiency, and reduces the load on cylinder 4.
[0052] Furthermore, cylinder 4 is a hydraulic jack.
[0053] In the above embodiment, a hydraulic jack is used as the oil cylinder 4. The piston of the jack is slowly pushed out by a manual or electric pump, and a continuous downward force is applied to the axle 2.
[0054] Hydraulic jacks provide adjustable and powerful jacking force, replacing manual hammering, achieving smooth disassembly, significantly reducing labor intensity, and avoiding component damage caused by human error.
[0055] When using this application, the wheel 3 and the axle are arranged according to... Figure 1 The shaft is placed in the placement slot in the middle of the frame 1, with the longer end on top and the shorter end on the bottom. The lower end of the hydraulic jack's pressure cylinder is then placed horizontally on top of the longer end of the shaft, with the upper end pressing against the load-bearing beam of the frame. By applying pressure, the recoil force between the jack and the load-bearing beam is used to push the shaft vertically downwards. This application has advantages such as simple manufacturing, long service life, high disassembly efficiency, reduced maintenance workload, and improved maintenance safety.
[0056] This application provides a structural schematic diagram of a disassembly device, including: a frame 1; a placement groove disposed inside the frame 1; and a hydraulic cylinder 4 disposed inside the frame 1. The disassembly device provided by this application uses the frame to provide a stable support structure. The placement groove is used to precisely fix the position of the wheels and axles, ensuring force alignment. The hydraulic cylinder, through controllable hydraulic pressure, replaces traditional manual hammering, applying a uniform and stable downward pushing force, thereby effectively preventing deformation or cracking of the wheels, end caps, or axles due to uneven force. It also prevents damage to the bearings and gear structures inside the reducer, significantly reducing safety risks and labor intensity during maintenance, improving disassembly efficiency, extending equipment service life, and reducing maintenance costs and time losses.
[0057] Those skilled in the art will understand that the accompanying drawings are merely schematic diagrams of a preferred embodiment, and the modules or processes shown in the drawings are not necessarily essential for implementing this application. Those skilled in the art will understand that the modules in the apparatus of the embodiment can be distributed within the apparatus of the embodiment as described, or can be modified to be located in one or more apparatuses different from this embodiment. The modules of the above-described embodiment can be combined into one module, or further divided into multiple sub-modules.
[0058] The serial numbers in this application are for descriptive purposes only and do not represent the superiority or inferiority of any particular implementation scenario. The above disclosures are merely a few specific implementation scenarios of this application; however, this application is not limited thereto, and any variations conceived by those skilled in the art should fall within the protection scope of this application.
Claims
1. A disassembly device, characterized in that, include: Frame (1); Placement slot, the placement slot being located inside the frame (1); The oil cylinder (4) is located inside the frame (1).
2. The apparatus according to claim 1, characterized in that, The device further includes: Wheel (3), the wheel (3) is disposed on the placement groove.
3. The apparatus according to claim 2, characterized in that, The device further includes: Axle (2), one end of which is connected to the wheel (3) and the other end of which is connected to the oil cylinder (4).
4. The apparatus according to claim 3, characterized in that, The placement slot is located in the middle of the frame (1) and is used to place the wheel (3) and the axle (2).
5. The apparatus according to claim 4, characterized in that, The device further includes: A through hole is formed in the placement groove.
6. The apparatus according to claim 5, characterized in that, The cross-sectional area of the through hole is greater than that of the axle (2) but less than that of the wheel (3).
7. The apparatus according to claim 1, characterized in that, The device further includes: Oil storage chamber (5) is connected to oil cylinder (4).
8. The apparatus according to claim 1, characterized in that, The frame (1) includes: Placement section, the placement section being used to accommodate the placement slot; A support portion is connected to the placement portion and is used to support the placement portion.
9. The apparatus according to claim 8, characterized in that, The oil cylinder (4) is located at one end of the placement part, the placement groove is located at the other end of the placement part, and the placement groove is located within the projected area of the oil cylinder (4).
10. The apparatus according to claim 1, characterized in that, The oil cylinder (4) is a hydraulic jack.