Novel transmission shaft disassembling and assembling tool

Abstract

The utility model discloses a novel transmission shaft disassembly and assembly tool, belongs to the technical field of transmission shaft cross joint bearing disassembly and assembly, and aims to solve the problems that in a traditional disassembly and assembly method, a bearing is prone to being damaged, centering is difficult, and the tool adaptability is poor. Therefore, different models can be adapted. The bearing taking-out hole in the supporting base is designed to be oval or arched to enhance the overall strength, and the opening of the disassembling and assembling hole is chamfered so that the bearings can be conveniently guided to be aligned, and pressing deviation damage is prevented. Replaceable copper cushion blocks are installed at the bottoms of the matched supporting legs, and the contact face of the transmission shaft is prevented from being damaged during press fitting. A special concave brass cushion block is further arranged for the transmission shaft with the grease nipple, and the concave portion of the special concave brass cushion block is matched with the grease nipple to ensure that the grease nipple is not damaged in the dismounting process. The transmission shaft maintenance tool has the advantages of being easy and convenient to operate, accurate in positioning, high in universality and capable of effectively protecting workpieces, and the efficiency and safety of transmission shaft maintenance are remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of disassembling and assembling of a propeller shaft cross pin bearing, and particularly relates to a high-efficiency tool for disassembling and assembling a propeller shaft cross pin bearing. BACKGROUND

[0002] At present, in the process of disassembling and assembling a propeller shaft, the cross pin bearing needs to be aligned with the hole position of a traditional disassembling and assembling tool. If the cross pin bearing is not aligned for disassembling and assembling, irreversible damage will be caused to the cross pin bearing. After the traditional tool bears the disassembling and assembling load of the propeller shaft for a long time, the structural strength of the tool will be significantly reduced due to fatigue damage, causing the force bearing surface of the tool to be bent and deformed, the yoke to be placed on the unstable surface of the tool, the cross pin bearing to be unable to be aligned with the disassembling hole, and the disassembling efficiency to be reduced, the force to be uneven, and the workpiece to be damaged. In the process of disassembling and assembling, the operation is difficult, the force cannot be accurately applied, and the time cost is increased. The support leg is in rigid contact with the propeller shaft in the process of disassembling and assembling the propeller shaft, and the propeller shaft is easily damaged by the contact surface. When different models of propeller shafts are disassembled and assembled, the corresponding support seat needs to be replaced, the operation is inconvenient, and the management and maintenance cost in the later period is increased. SUMMARY

[0003] In view of the deficiencies of the existing tool, the present application aims to provide a novel propeller shaft disassembling and assembling tool. The tool adopts an innovative design idea, improves the disassembling and assembling efficiency through a guide edge and an integrated structure, and significantly improves the efficiency and safety of propeller shaft maintenance.

[0004] The novel propeller shaft disassembling and assembling tool is an integrated support seat. In the process of disassembling and assembling a propeller shaft, when the cross pin bearing needs to be disassembled, the propeller shaft is placed on the support seat and pressed on the support leg by a press machine, and the cross pin bearing is automatically pressed into the disassembling hole. The bearing is taken out from the side hole. The tool can be adapted to various models of propeller shafts. The cross pin bearing of a propeller shaft with a grease nipple is taken out by a special concave pad.

[0005] As a preferred mode, the support seat is integrated, the disassembling and assembling hole can be replaced by turning according to different specifications of the propeller shaft, and different sizes of propeller shafts can be disassembled and assembled.

[0006] As a preferred mode, the taking-out hole of the support seat for disassembling and assembling the propeller shaft cross pin bearing adopts an elliptical structure and an arch structure. The two structures can enhance local force, increase the overall strength of the tool, and reduce the wear cost of the tool.

[0007] As a preferred mode, the opening of the disassembling and assembling hole of the support seat adopts a chamfered form, so as to prevent the propeller shaft cross pin bearing from being misaligned with the disassembling and assembling hole and avoid damage to the bearing.

[0008] As a preferred way, the leg is used to press the cross bearing out of the transmission shaft yoke mounting position, the copper pad is installed at the bottom of the support to prevent damage to the contacted part. At the same time, the copper pad on the support is connected by bolts, which can be easily replaced after long-term use and wear.

[0009] As a preferred way, the recessed pad material is brass, which has lower hardness than the cross bearing. The recessed part is matched with the profile of the grease nipple to prevent damage to the grease nipple during disassembly of the bearing with the grease nipple, ensuring safe and reliable disassembly process. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a new type of transmission shaft disassembly tool support seat plane schematic diagram.

[0011] Figure 2 is a new type of transmission shaft disassembly tool support seat structure schematic diagram.

[0012] Figure 3 is a new type of transmission shaft disassembly tool recessed block structure schematic diagram.

[0013] Figure 4 is a new type of transmission shaft disassembly tool leg structure schematic diagram.

[0014] In the figure: (1) disassembly hole, (2) removal hole, (3) weight reduction hole, (4) support, (5) copper pad. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiment of the utility model is clearly and completely described.

[0016] As shown in Figure 2 , according to different models of transmission shaft, the support seat is turned to the corresponding disassembly hole surface, after the cross bearing is aligned with the disassembly hole, the press is used to apply pressure to the leg to press the cross bearing out; for the bearing with the grease nipple, the recessed block is placed at the bearing grease nipple, and the bearing is pressed out by the recessed block through the press, and the bearing is taken out from the removal hole.

[0017] Through the above design, the new transmission shaft disassembly tool effectively solves the problems of inconvenient operation, high difficulty and inability to accurately apply force, significantly improves the disassembly efficiency, and reduces the damage risk to the transmission shaft and related parts.

Claims

1. A novel drive shaft disassembly tool, characterized in that: a support seat is used to stably support the drive shaft yoke, a disassembly hole (1) is adapted to various drive shaft models; a concave pressing block is used to press out the cross pin bearing with a grease nipple; a supporting leg is used to press out the cross pin bearing, and a copper pad (5) prevents damage to the drive shaft during disassembly.

2. The tooling of claim 1, wherein, The concave pressing block is used to press out the cross pin bearing with a grease nipple, preventing damage to the grease nipple.

3. The tooling of claim 1 wherein, The support seat can be turned over to replace the disassembly hole (1) according to different specifications of the drive shaft, so as to adapt to disassembly of drive shafts of different sizes, and the arched structure enhances the structural stress.

4. The tooling of claim 1 wherein, The supporting leg acts on the yoke part of the drive shaft, cooperates with the support seat to press out the cross pin bearing, and the copper pad (5) is made of soft copper material to prevent damage to the drive shaft caused by rigid contact during disassembly.

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