Quick press-fit device for flywheel gear ring

Abstract

The utility model discloses a quick press-fit device for flywheel gear rings, which belongs to the technical field of press-fit of flywheel gear rings and comprises a base, a support frame is fixedly mounted on the outer surface of the base, a heat insulation box is fixedly mounted on the upper surface of the base, a heat conduction frame is fixedly mounted on the inner wall of the heat insulation box, and electric heating resistance wires are fixedly mounted on two side surfaces of the heat conduction frame. A stepping motor is arranged on the right side of the supporting frame, the power output end of the stepping motor penetrates through the supporting frame and is fixedly provided with a threaded rod, the outer surface of the threaded rod is in threaded connection with a movable block, the outer surface of the movable block is slidably connected with the inner wall of the supporting frame, and a first electric telescopic rod is fixedly installed on the bottom face of the movable block. According to the quick press-fit device for the flywheel gear ring, the threaded rod can be driven to rotate through power provided by the stepping motor, so that the heated gear ring can be conveniently and automatically placed on a flywheel, the labor intensity of workers is reduced, and meanwhile the workers can be prevented from being hurt.

Description

Technical Field

[0001] The present application belongs to the technical field of flywheel ring gear pressing, and in particular relates to a flywheel ring gear rapid pressing device. Background Art

[0002] The flywheel and flywheel ring gear are key components in internal combustion engines and some electric vehicles. They jointly participate in the process of energy conversion and transmission. The ring gear is embedded in the outer edge of the flywheel after heating, and is fastened to the outer edge of the flywheel after cooling. It is used to engage with the starter gear and drive the crankshaft to rotate, thereby starting the engine.

[0003] The gear train is fixed on the driving mechanism, and the transmission gear is connected with the gear train by the support gear and the transmission ...

[0004] With the above technical solution, the flywheel is placed on a table, and then the heated ring gear is put on the flywheel. The oil cylinder lowers the pressure plate, and the pressure plate presses the ring gear and the flywheel together. However, with the above technical solution, when pressing the flywheel ring gear, it is inconvenient to automatically place the heated ring gear on the flywheel, which increases the labor intensity of the staff and is likely to cause harm to the staff. In addition, it is inconvenient to quickly cool the pressed ring gear, thereby reducing the efficiency of pressing the flywheel ring gear, making it less practical.

[0005] To this end, we propose a flywheel ring gear quick pressing device to solve the above problems. Utility Model Content

[0006] The purpose of this application is to solve the problem in the prior art that, when pressing the flywheel ring gear, it is inconvenient to automatically place the heated ring gear on the flywheel, which not only increases the labor intensity of the staff, but also easily causes harm to the staff, and it is inconvenient to quickly cool down the pressed ring gear, thereby reducing the efficiency of pressing the flywheel ring gear and making it less practical. A flywheel ring gear rapid pressing device is proposed.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A flywheel gear ring quick pressing device comprises a base, the outer surface of the base is fixedly mounted with a support frame, the upper surface of the base is fixedly mounted with a heat insulation box, the inner wall of the heat insulation box is fixedly mounted with a heat conducting frame, both sides of the heat conducting frame are fixedly mounted with electric thermal resistance wires, a stepping motor is provided on the right side of the support frame, the output end of the stepping motor power passes through the support frame and is fixedly mounted with a threaded rod, the outer surface of the threaded rod is threadedly connected with a movable block, the outer surface of the movable block is slidably connected to the inner wall of the support frame, a first electric telescopic rod is fixedly mounted on the bottom surface of the movable block, the telescopic end of the first electric telescopic rod is fixedly mounted with a cross, two second electric telescopic rods are fixedly mounted on the inner wall of the cross, and the telescopic end of each second electric telescopic rod is fixedly mounted with a clamping plate, the upper surface of the base is fixedly mounted with a placing table, the inner wall of the placing table is fixedly mounted with a heat conducting plate, the upper surface of the heat conducting plate is fixedly mounted with a limit rod, the inner wall of the placing table is fixedly mounted with a heat conducting pipe, and the outer surface of each heat conducting pipe is fixedly connected to the bottom surface of the heat conducting plate.

[0009] Preferably, four supporting legs are fixedly mounted on the bottom surface of the base, and a grounding plate is fixedly mounted on the bottom end of each supporting leg.

[0010] Preferably, a switch door is movably hinged on the front of the heat insulation box, and a pull block is fixedly installed on the front of the switch door.

[0011] Preferably, a protection box is fixedly installed on the bottom surface of the stepper motor, and the left side of the protection box is fixedly connected to the right side of the support frame.

[0012] Preferably, a bearing is fixedly mounted on the left end of the threaded rod, and the left side of the bearing is fixedly connected to the inner side wall of the support frame.

[0013] Preferably, two flanges are fixedly mounted on the outer surface of the heat conducting pipe, and a connecting hole is provided on the front side of each flange.

[0014] Preferably, two third electric telescopic rods are fixedly mounted on the bottom surface of the cross, and a pressing plate is fixedly mounted on the telescopic ends of the two third electric telescopic rods.

[0015] To sum up, the technical effects and advantages of the present application are as follows: the gear ring can be placed by providing a heat-conducting frame, and the gear ring can be heated by the heat provided by the electric heating resistance wire; the elasticity provided by the second electric telescopic rod can drive the clamping plate to move, so that the clamping plate can clamp the heated gear ring; the elasticity provided by the first electric telescopic rod can drive the gear ring to move upward, and the power provided by the stepping motor can drive the threaded rod to rotate, so that the threaded rod can drive the movable block to move, so that the gear ring can be placed on the flywheel; the limit rod can limit the flywheel, so that when the gear ring is pressed, it is convenient to automatically place the heated gear ring on the flywheel, thereby reducing the labor intensity of the staff and preventing harm to the staff; the coolant can be conveniently transported through the heat-conducting pipe, so that the coolant can cool the gear ring, and it is convenient to quickly cool the pressed gear ring, thereby increasing the efficiency of the flywheel gear ring pressing and achieving a more practical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the base of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional three-dimensional structure of the support frame of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross of the utility model in a three-dimensional cross section;

[0019] Figure 4 This is a schematic diagram of the structure of the placement table of the utility model in a sectional three-dimensional view.

[0020] In the figure: 1. Base; 2. Support frame; 3. Stepper motor; 4. Threaded rod; 5. Movable block; 6. First electric telescopic rod; 7. Cross; 8. Second electric telescopic rod; 9. Clamping plate; 10. Heat-conducting frame; 11. Electric heating wire; 12. Placement table; 13. Heat-conducting pipe; 14. Limit rod; 15. Support leg; 16. Grounding plate; 17. Switch door; 18. Pull block; 19. Protective box; 20. Bearing; 21. Flange; 22. Connecting hole; 23. Third electric telescopic rod; 24. Pressing plate; 25. Heat insulation box; 26. Heat-conducting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figure 1-4A flywheel gear ring quick pressing device includes a base 1, a support frame 2 is fixedly installed on the outer surface of the base 1, a heat insulation box 25 is fixedly installed on the upper surface of the base 1, a heat conducting frame 10 is fixedly installed on the inner wall of the heat insulation box 25, and electric thermal resistance wires 11 are fixedly installed on both sides of the heat conducting frame 10. A stepping motor 3 is provided on the right side of the support frame 2, and four support legs 15 are fixedly installed on the bottom surface of the base 1. A grounding plate 16 is fixedly installed at the bottom end of each support leg 15. The base 1 can be supported by the support legs 15, and the grounding plate 16 can increase the friction between the support legs 15 and the ground, thereby increasing the stability of the device.

[0023] The output end of the power of the stepping motor 3 passes through the support frame 2 and is fixedly installed with a threaded rod 4. The outer surface of the threaded rod 4 is threadedly connected to a movable block 5. The outer surface of the movable block 5 is slidably connected to the inner wall of the support frame 2. The bottom surface of the movable block 5 is fixedly installed with a first electric telescopic rod 6. The front of the heat insulation box 25 is movably hinged with a switch door 17. The front of the switch door 17 is fixedly installed with a pull block 18. The switch door 17 can be manually opened by pulling the block 18, which facilitates the placement of the gear ring and increases the convenience of the device.

[0024] A cross 7 is fixedly installed on the telescopic end of the first electric telescopic rod 6, and two second electric telescopic rods 8 are fixedly installed on the inner wall of the cross 7. A clamping plate 9 is fixedly installed on the telescopic end of each second electric telescopic rod 8. A placement table 12 is fixedly installed on the upper surface of the base 1, and a protective box 19 is fixedly installed on the bottom surface of the stepper motor 3. The left side of the protective box 19 is fixedly connected to the right side of the support frame 2. The stepper motor 3 can be supported and protected by the protective box 19, thereby preventing the stepper motor 3 from shaking and deviating during operation, thereby increasing the stability of the stepper motor 3.

[0025] A heat conducting plate 26 is fixedly installed on the inner wall of the placement table 12, and a limiting rod 14 is fixedly installed on the upper surface of the heat conducting plate 26. A heat conducting tube 13 is fixedly installed on the inner wall of the placement table 12, and the outer surface of each heat conducting tube 13 is fixedly connected to the bottom surface of the heat conducting plate 26. A bearing 20 is fixedly installed on the left end of the threaded rod 4, and the left side of the bearing 20 is fixedly connected to the inner side wall of the support frame 2. The bearing 20 can limit the threaded rod 4, thereby preventing the threaded rod 4 from deflecting during rotation, thereby increasing the smoothness of the rotation of the threaded rod 4.

[0026] Two flanges 21 are fixedly installed on the outer surface of the heat pipe 13. A connecting hole 22 is provided on the front of each flange 21. The flange 21 can facilitate the connection between the heat pipe 13 and the external infusion tube, thereby facilitating the cooling of the flywheel ring gear after pressing, and increasing the convenience of the device.

[0027] Two third electric telescopic rods 23 are fixedly installed on the bottom surface of the cross 7, and a pressing plate 24 is fixedly installed on the telescopic ends of the two third electric telescopic rods 23. The pressing plate 24 can be driven downward by the third electric telescopic rods 23, so that the pressing plate 24 can press the ring gear, thereby increasing the convenience of pressing the flywheel ring gear.

[0028] The working principle of the present invention is as follows: when in use, first connect the first electric telescopic rod 6, the second electric telescopic rod 8, the electric thermal resistance wire 11 and the third electric telescopic rod 23 to the power supply. When the flywheel gear ring needs to be pressed, the gear ring is manually stacked neatly in the heat-conducting frame 10. The heat provided by the electric thermal resistance wire 11 can heat the gear ring. The elasticity provided by the second electric telescopic rod 8 can drive the clamping plate 9 to move, so that the clamping plate 9 can clamp the heated gear ring. The elasticity provided by the first electric telescopic rod 6 can drive the gear ring to move upward, and the power provided by the stepping motor 3 can drive the threaded rod 4 to rotate, so that the threaded rod 4 can drive the movable block 5 to move, thereby The gear ring can be placed on the flywheel, and the limit rod 14 can limit the flywheel, so that when the gear ring is pressed, the heated gear ring can be automatically placed on the flywheel. The third electric telescopic rod 23 can drive the pressing plate 24 to move downward, so that the pressing plate 24 can press the gear ring, thereby reducing the labor intensity of the staff and preventing harm to the staff. The flange 21 can facilitate the connection between the heat pipe 13 and the external infusion pipe, so that the heat pipe 13 can transport the coolant, and the coolant can cool the gear ring, so that the pressed gear ring can be quickly cooled, thereby increasing the efficiency of the flywheel gear ring pressing and making the flywheel gear ring quick pressing device more practical.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] 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 the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flywheel ring gear quick pressing device, comprising a base (1), characterized in that: The outer surface of the base (1) is fixedly mounted with a support frame (2), the upper surface of the base (1) is fixedly mounted with a heat insulation box (25), the inner wall of the heat insulation box (25) is fixedly mounted with a heat conducting frame (10), and both sides of the heat conducting frame (10) are fixedly mounted with electric heat resistance wires (11), a stepper motor (3) is provided on the right side of the support frame (2), the power output end of the stepper motor (3) passes through the support frame (2) and is fixedly mounted with a threaded rod (4), the outer surface of the threaded rod (4) is threadedly connected with a movable block (5), the outer surface of the movable block (5) is slidably connected to the inner wall of the support frame (2), and the bottom surface of the movable block (5) is fixedly mounted with a first electric A telescopic rod (6) is provided, wherein a cross (7) is fixedly mounted on the telescopic end of the first electric telescopic rod (6), two second electric telescopic rods (8) are fixedly mounted on the inner wall of the cross (7), and a clamping plate (9) is fixedly mounted on the telescopic end of each second electric telescopic rod (8), a placing table (12) is fixedly mounted on the upper surface of the base (1), a heat conducting plate (26) is fixedly mounted on the inner wall of the placing table (12), a limiting rod (14) is fixedly mounted on the upper surface of the heat conducting plate (26), a heat conducting pipe (13) is fixedly mounted on the inner wall of the placing table (12), and the outer surface of each heat conducting pipe (13) is fixedly connected to the bottom surface of the heat conducting plate (26).

2. A flywheel ring gear quick pressing device according to claim 1, characterized in that: Four supporting legs (15) are fixedly mounted on the bottom surface of the base (1), and a grounding plate (16) is fixedly mounted on the bottom end of each supporting leg (15).

3. The flywheel ring gear quick pressing device according to claim 1, characterized in that: A switch door (17) is movably hinged on the front of the heat insulation box (25), and a pull block (18) is fixedly installed on the front of the switch door (17).

4. The flywheel ring gear quick pressing device according to claim 1, characterized in that: A protection box (19) is fixedly mounted on the bottom surface of the stepper motor (3), and the left side of the protection box (19) is fixedly connected to the right side of the support frame (2).

5. The flywheel ring gear quick pressing device according to claim 1, characterized in that: A bearing (20) is fixedly mounted on the left end of the threaded rod (4), and the left side of the bearing (20) is fixedly connected to the inner side wall of the support frame (2).

6. The flywheel ring gear quick pressing device according to claim 1, characterized in that: Two flanges (21) are fixedly mounted on the outer surface of the heat conducting pipe (13), and a connection hole (22) is provided on the front side of each flange (21).

7. The flywheel ring gear quick pressing device according to claim 1, characterized in that: Two third electric telescopic rods (23) are fixedly mounted on the bottom surface of the cross (7), and a pressing plate (24) is fixedly mounted on the telescopic ends of the two third electric telescopic rods (23).

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