Special tool for disassembling and assembling lubricating oil damper

Abstract

The utility model discloses a special tool for disassembling and assembling a lubricating oil damper, which comprises a base, a rotating shaft, a nut, a door frame, a lifting and pressing assembly and a limiting assembly, the door frame is arranged on the base, and the nut is arranged on the door frame; the pressure lifting assembly is connected with the rotating shaft, the rotating shaft is used for driving the pressure lifting assembly to move in the vertical direction, and the bottom of the pressure lifting assembly is used for being connected with a lubricating oil damper blanking cap. The limiting assembly is connected with the door frame and the lifting and pressing assembly and used for limiting transverse movement of the lifting and pressing assembly. The tool changes the original working mode, solves the problems of non-vertical stress and non-uniform stress when the lubricating oil damper is lifted out of and assembled with the blanking cap, avoids the phenomenon that the cutting ring sealing cannot meet the requirement, eliminates the potential safety hazard, ensures that the in-place assembly condition is clear at a glance, is convenient to operate and can be finished by one person, and the production efficiency is improved. Manpower and consumption of the O-shaped sealing ring are saved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a special tool for disassembling and assembling a lubricating oil damper. BACKGROUND

[0002] In the power device of underwater vehicles, the lubricating oil damper is an important component, and the lubricating oil damper of the thermal power device needs to be disassembled, cleaned and assembled. Figure 1 As shown in the existing disassembling and assembling mode, two workers need to cooperate with each other, one worker holds the lubricating oil damper vertically on the ground with both hands, the other worker first turns the threaded end of the lifting ring into the screw hole of the plug cover of the lubricating oil damper, then inserts a small copper rod through the hole of the lifting ring, and finally knocks the small copper rod repeatedly with another copper rod to disassemble the plug cover of the lubricating oil damper as shown in Figure 1 After the cleaning operation is completed, two workers also need to cooperate to complete the assembly, one worker is responsible for fixing the lubricating oil damper, and the other worker assembles, first assembles two O-shaped sealing rings, then turns the lifting ring into the screw hole of the plug cover, inserts the small copper rod through the hole of the lifting ring, and finally presses the small copper rod to assemble the plug cover in place as shown in Figure 2 The current disassembly and assembly method has the following problems:

[0003] 1. When the plug cover of the lubricating oil damper is disassembled and assembled, there is a non-vertical force, and the force is uneven, which leads to cutting of the ring, the sealing cannot meet the requirements, and there is a great safety hazard;

[0004] 2. Two people need to cooperate to complete the operation, and the operation is not convenient;

[0005] 3. Frequent cutting of the ring leads to an increase in the use of parts and an increase in economic cost.

[0006] A special dismounting device for a lubricating oil damper sealing seat is disclosed in CN205363760 U, which needs to be placed at the end of the lubricating oil damper when in use, and needs to be stable, and relative displacement with the lubricating oil damper cannot occur during the dismounting process, otherwise the dismounting of the plug cover will be affected, which is inconvenient to use and easy to damage the end of the lubricating oil damper. SUMMARY

[0007] In view of the above problems, the utility model provides a special tool for disassembling and assembling a lubricating oil damper, which effectively solves the problem of inconvenient dismounting and assembling of the plug cover, the tool is assembled in place and the operation is convenient, one person can complete the operation, the consumption of manpower and O-shaped sealing rings is saved, and the working efficiency is improved.

[0008] Specifically, the utility model provides a special tool for disassembling and assembling a lubricating oil damper, which comprises a base, a rotating shaft and a nut.

[0009] The door frame is arranged on the base, and the nut is arranged on the door frame;

[0010] The lifting assembly is connected with the rotating shaft, the rotating shaft is used to drive the lifting assembly to move in the vertical direction, and the bottom of the lifting assembly is used to connect the block cover of the sliding oil damper;

[0011] The limiting assembly is connected with the door frame and the lifting assembly respectively, and is used to limit the transverse movement of the lifting assembly.

[0012] Further, the lifting assembly comprises:

[0013] The connecting box is connected with the limiting assembly in a sliding manner, the bottom end of the rotating shaft penetrates into the connecting box, and the bottom end of the rotating shaft is provided with a limiting block;

[0014] The lifting rod is arranged in the connecting box, and the bottom of the lifting rod is used to connect the block cover of the sliding oil damper;

[0015] A gap is left between the rotating shaft and the lifting rod, and when the rotating shaft rotates to the low position, the limiting block abuts against the top of the lifting rod.

[0016] Further, the limiting assembly comprises:

[0017] Two horizontal limiting rods are symmetrically arranged on the inner side of the door frame and connected with the lifting assembly.

[0018] Further, the special tool for disassembling and assembling the sliding oil damper further comprises:

[0019] The fixing assembly is used to fix the sliding oil damper.

[0020] Further, the base is provided with a supporting platform, and the fixing assembly comprises:

[0021] The first positioning pin is arranged on the supporting platform and used to connect the first fixing hole of the sliding oil damper;

[0022] The second positioning pin is fixed on the door frame and used to connect the second fixing hole of the sliding oil damper.

[0023] Further, the lifting rod is provided with an O-shaped groove, so that the lifting rod can rotate independently, the middle section is a square structure, which is used to clamp during disassembly and assembly, and the lower end is a threaded structure, which is used to be screwed into the block cover of the sliding oil damper.

[0024] Working principle:

[0025] Put the oil damper 6 on the support platform 12, the first positioning pin 51 and the second positioning pin 52 pass through the two fixing holes of the oil damper 6 respectively, rotate the rotating shaft 2, the rotating shaft 2 moves downward, and when the rotating shaft 2 reaches the lower position, the bottom end limiting block 22 of the rotating shaft 2 abuts against the pressure lifting rod 32 top, and the rotating shaft 2 is continuously rotated, so that the whole pressure lifting component is driven to move downward. When the pressure lifting rod 32 approaches the oil damper plug cover 61 screw hole, stop rotating the rotating shaft 2, manually rotate the pressure lifting rod 32, the pressure lifting rod 32 is screwed into the oil damper plug cover 61 screw hole, and the connecting box 31 is driven to continue to move downward, at this time, the top of the pressure lifting rod 32 is separated from the rotating shaft 2, and when the pressure lifting rod 32 is screwed to the position, the rotating shaft 2 is reversely rotated, the rotating shaft 2 moves upward, and when the rotating shaft 2 moves to the top of the connecting box 31, the connecting box 31 and the pressure lifting rod 32 are lifted, so that the oil damper plug cover 61 is lifted out of the oil damper 6, and finally the oil damper 6 and the plug cover are taken off, so that the disassembly is completed; the installation process is reversely carried out.

[0026] Compared with the prior art, the oil damper dismounting special tool has the beneficial effects that:

[0027] (1) The oil damper dismounting special tool changes the original dismounting mode of the oil damper, adds stroke limiting design during installation, avoids the non-vertical force and uneven force during lifting out of the plug cover and assembling the plug cover, and eliminates the safety hidden danger.

[0028] (2) The tool is convenient to operate, and one person can complete the operation, the oil damper is not easy to be damaged during dismounting and mounting, and the consumption of manpower and O-shaped sealing rings is saved, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structure schematic view of the oil damper dismounting special tool in embodiment 1.

[0030] Figure 2 It is an internal structure schematic view of the pressure lifting assembly in embodiment 1.

[0031] Figure 3 It is a use process schematic view of the oil damper dismounting special tool in embodiment 1.

[0032] REFERENCE SIGNS

[0033] 1-base; 11-gantry; 12-support platform; 2-rotating shaft; 21-nut; 22-limiting block; 3-pressure lifting assembly; 31-connecting box; 32-pressure lifting rod; 41-horizontal limiting rod; 51-first positioning pin; 52-second positioning pin; 6-oil damper; 61-oil damper plug cover. DETAILED DESCRIPTION

[0034] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0035] Example 1

[0036] like Figure 1 As shown, this embodiment provides a special tooling for disassembling and assembling a lubricating oil damper, including a base 1, a gantry 11, a support platform 12, a rotating shaft 2, a pressure-lifting assembly, and a limiting assembly. The gantry 11, made of carbon steel, is welded to the base 1 and is used for mounting the rotating shaft 2. A threaded hole is machined at the center of the top of the gantry 11, or a nut 21 is installed on the gantry 11 to form the travel portion of the rotating shaft 2. The rotating shaft 2 is formed by vertically welding two solid cylindrical steel rods, forming the pressure-applying portion at the upper end of the disassembly and assembly tooling. The lower end of the rotating shaft 2 is connected to the pressure-lifting assembly. When the rotating shaft 2 moves vertically, it can drive the pressure-lifting assembly to move. Two horizontal limiting rods 41 on both sides of the pressure-lifting assembly restrict lateral movement to ensure that the pressure-lifting assembly can only move vertically, ensuring that the rotating shaft 2 is at a 90° angle to the support platform 12, so that the pressure-lifting assembly can connect to the lubricating oil damper cap 61.

[0037] A first positioning pin 51 and a second positioning pin 52 are provided on the gantry 11. The first positioning pin 51 and the second positioning pin 52 are positioned one above the other, serving to fix the lubricating oil damper 6. Figure 2 As shown, the pressure-lifting assembly consists of a connecting box 31 and a pressure-lifting rod 32. The connecting box 31 is slidably connected to a horizontal limiting rod 41. The rotating shaft 2 passes through the connecting box 31, and a limiting block 22 is provided at the insertion end. A gap is left between the limiting block 22 and the pressure-lifting rod 32 to allow the rotating shaft 2 to move. The upper part of the pressure-lifting rod 32 has an O-groove, which is the connection part between it and the connecting box 31, so that the pressure-lifting rod 32 can rotate independently. The middle section of the pressure-lifting rod 32 has a square structure for locking during disassembly and assembly, and the lower end has a threaded structure for screwing into the lubricating oil damper plug 61.

[0038] like Figure 3 As shown, after the tooling is assembled, the lubricating oil damper 6 is placed on the support platform 12 and connected and fixed with the first positioning pin 51 and the second positioning pin 52. Then, the rotating shaft 2 is rotated, causing it to move downwards. The limiting block 22 descends and, when it reaches the lowest position, it abuts against the top of the lifting rod 32. The rotating shaft 2 is then rotated again, causing the connecting box 31 and the lifting rod 32 to move downwards. When the thread of the lifting rod 32 contacts the threaded hole of the lubricating oil damper plug 61, the lifting rod 32 is manually screwed into the threaded hole of the lubricating oil damper plug 61 (at this time, the connecting box 31 continues to descend). After the lifting rod 32 is tightened in place, the rotating shaft 2 is rotated in the opposite direction. After the rotating shaft 2 moves upwards a certain distance, the limiting block 22 abuts against the top of the connecting box 31 and causes the connecting box 31 and the lifting rod 32 to rise. The lubricating oil damper plug 6 is then lifted out of the lubricating oil damper 6. Finally, the lubricating oil damper 6 and the lubricating oil damper plug 61 are removed, and the disassembly is completed.

[0039] When installing the oil damper plug 61, the sequence is opposite to the dismounting sequence. After the two O-shaped sealing rings are installed on the oil damper plug 61, the rotating shaft 2 is counterclockwise rotated to the highest point. At this time, the oil damper plug 61 is installed into the lifting rod 32, the oil damper 6 is placed on the supporting platform 12 and connected and fixed. Then the rotating handle is rotated to make the rotating shaft 2 descend. After the oil damper plug 61 is assembled in place, the rotating shaft 2 is rotated to move upward by a certain distance. Then the lifting rod 32 is rotated to separate from the oil damper plug 61. Then the rotating shaft 2 is rotated to lift the lifting rod 32. Finally, the assembled oil damper 6 is taken out.

[0040] The above describes the utility model by using specific examples, which is only used to help understand the utility model and does not limit the utility model. According to the idea of the utility model, the skilled in the art of the utility model can make some simple deductions, deformations or substitutions.

Claims

1. A special tooling for disassembling and assembling a lubricating oil damper, comprising: The base (1), the rotating shaft (2), and the nut (21) are characterized in that they further include: A gantry (11) is mounted on a base (1), and a nut (21) is mounted on the gantry (11); The pressure-lifting assembly is connected to the rotating shaft (2), which is used to drive the pressure-lifting assembly to move in the vertical direction. The bottom of the pressure-lifting assembly is used to connect the lubricating oil damper plug (61). The limiting component is connected to the gantry (11) and the lifting component respectively, and is used to limit the lateral movement of the lifting component.

2. The special tooling for disassembling and assembling the lubricating oil damper according to claim 1, characterized in that, The pressure boosting components include: The connecting box (31) is slidably connected to the limiting component. The bottom end of the rotating shaft (2) is inserted into the connecting box (31). The bottom end of the rotating shaft (2) is provided with a limiting block (22). The top of the lifting rod (32) extends into the connecting box (31), and the bottom of the lifting rod (32) is used to connect the lubricating oil damper plug (61). There is a gap between the rotating shaft (2) and the lifting rod (32). When the rotating shaft (2) is rotated to the low position, the bottom end of the limiting block (22) abuts against the top of the lifting rod (32).

3. The special tooling for disassembling and assembling the lubricating oil damper according to claim 1, characterized in that, The limiting component includes: Two horizontal limiting rods (41) are symmetrically arranged on the inside of the gantry (11) and connected to the lifting assembly.

4. The special tooling for disassembling and assembling the lubricating oil damper according to claim 1, characterized in that, Also includes: A mounting component for securing the lubricating oil damper (6).

5. The special tooling for disassembling and assembling the lubricating oil damper according to claim 4, characterized in that, The base (1) is provided with a support platform (12), and the fixing components include: The first positioning pin (51) is located on the support platform (12) and is used to connect the first fixing hole of the lubricating oil damper (6). The second positioning pin (52) is fixed on the gantry (11) and is used to connect the second fixing hole of the lubricating oil damper (6).

6. The special tooling for disassembling and assembling the lubricating oil damper according to claim 2, characterized in that, The lifting rod (32) is provided with an O-groove so that the lifting rod (32) can rotate independently. The middle section of the lifting rod (32) is a square structure for locking during disassembly and assembly. The lower end of the lifting rod (32) is a threaded structure for screwing into the screw hole of the lubricating oil damper plug (61).

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