Auxiliary suspension equipment for maintenance of engine unit

Abstract

The utility model relates to auxiliary suspension equipment for maintenance of an engine unit, which comprises a bottom plate, universal wheels and a suspension mechanism, and is technically characterized in that a first bearing pack is fixed in the middle of the upper surface of the bottom plate and is used for supporting a concentric rotating drum, a connecting drum is arranged in the lower part of the concentric rotating drum, and the lower end of the connecting drum penetrates through the bottom plate and is fixedly connected with a flange; a second bearing set is arranged between the lower surface of the bottom plate and the connecting flange, and the suspension mechanism comprises a lifting cylinder fixed in the concentric rotary drum, a horizontal cantilever fixed to the upper end of a cylinder rod of the lifting cylinder, a linear module arranged on a long arm of the horizontal cantilever, a lifting hook connected with a sliding block of the linear module and a balancing weight connected with a short arm of the horizontal cantilever. A motor speed reducer is inversely arranged on the bottom plate, a driving gear is fixed to the lower end of an output shaft of the motor speed reducer, and a gear ring meshed with the driving gear is arranged on the peripheral face of the connecting flange. The equipment does not need to be matched with other hoisting equipment, time and labor are saved, and the maintenance cost is saved.

Description

Technical Field

[0001] The utility model relates to auxiliary equipment for engine maintenance, in particular to auxiliary suspension equipment for engine group maintenance. Background Art

[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, electric motors, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. The engine is applicable to both power generation devices and the entire machine including the power device. When the engine is repaired in the later stage, it needs to be placed on the workbench for maintenance with lifting equipment, and the lifting equipment is also needed to adjust the position of the engine.

[0003] For example, CN 220575852 U discloses an engine maintenance auxiliary tool, which includes a base, a support frame fixedly connected to the top of the base near the side wall, a suspension mechanism fixedly connected to the top of the support frame, and a lifting and adjusting mechanism fixedly connected to the top of the base near the support frame. The tool is provided with a lifting and adjusting mechanism, so that it can lift and adjust the engine to different heights, which is convenient for the staff to operate during maintenance. At the same time, a suspension mechanism is provided on the side, so that the staff can suspend the engine when repairing the bottom of the engine, which is intended to facilitate the staff to repair the engine. However, the following problems still exist during use: the suspension mechanism can only suspend the engine on the lifting plate, and the process of the engine reaching the lifting plate requires manual or other lifting equipment to lift and carry it. Utility Model Content

[0004] The purpose of the utility model is to provide an auxiliary suspension device for engine group maintenance which solves the above problems and has a reasonable structure and reliable use, does not require the cooperation of other lifting equipment, saves time and effort, and saves maintenance costs.

[0005] The technical solution of the utility model is:

[0006] An auxiliary suspension device for engine group maintenance comprises a base plate, universal wheels arranged at four corners of the lower surface of the base plate, and a suspension mechanism arranged above the base plate. The technical key points are as follows: a first bearing group is fixed to the middle of the upper surface of the base plate and the concentric rotating drum is supported by the first bearing group, a connecting cylinder is built-in at the lower part of the concentric rotating drum, the lower end of the connecting cylinder passes through the base plate and is fixed with a connecting flange, a second bearing group is arranged between the lower surface of the base plate and the connecting flange, the suspension mechanism comprises a lifting cylinder fixed in the concentric rotating drum, a horizontal cantilever fixed to the upper end of the cylinder rod of the lifting cylinder, a linear module arranged on the long arm of the horizontal cantilever, a hook connected to the slider of the linear module, and a counterweight connected to the short arm of the horizontal cantilever, an inverted motor reducer is arranged on the base plate, a driving gear is fixed to the lower end of the output shaft of the motor reducer, and a gear ring meshing with the driving gear is arranged on the outer peripheral surface of the connecting flange.

[0007] The auxiliary suspension equipment for engine unit maintenance mentioned above has a longitudinal slide groove on the side of the concentric rotating drum, a longitudinal slide rail cooperating with the longitudinal slide groove is provided on the counterweight block, and a horizontal limit plate corresponding to the lower end of the longitudinal slide groove is provided at the lower part of the concentric rotating drum.

[0008] In the auxiliary suspension device for engine unit maintenance, the cross section of the longitudinal slide rail is dovetail-shaped to prevent the longitudinal slide rail from escaping from the longitudinal slide groove of the concentric drum in the horizontal direction.

[0009] The above-mentioned auxiliary suspension equipment for engine group maintenance, the long arm section of the horizontal cantilever is provided with a long through groove arranged along its length direction, the linear module is supported above the long through groove, the slider of the linear module is located in the long through groove and can slide along the long through groove, the upper end of the hook is welded and fixed to the lower surface of the slider of the linear module.

[0010] The auxiliary suspension equipment for engine unit maintenance described above has a U-shaped notch at the end of the short arm section of the horizontal cantilever, and connecting wings supported on both sides above the U-shaped notch are provided on both sides of the upper end of the counterweight block, and the connecting wings are connected and fixed to the short arm section of the horizontal cantilever.

[0011] The beneficial effects of the utility model are:

[0012] 1. When in use, use the suspension mechanism of the equipment to lift the engine to be repaired to the positioning mechanism pre-installed above the equipment. During this process, no other lifting equipment is required, which saves time and effort and saves maintenance costs.

[0013] 2. The suspension mechanism has the functions of lifting and lowering, changing the horizontal position, and rotating, which is convenient for taking and placing engines in different directions and positions. It is flexible to use and has high work efficiency.

[0014] 3. The counterweight and hook are arranged at both ends of the horizontal cantilever. The counterweight prevents the equipment from tipping over during lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 yes Figure 1 Left view of

[0017] Figure 3 yes Figure 2 Enlarged view of part A in the middle;

[0018] Figure 4 yes Figure 1 Top view of the center counterweight.

[0019] In the figure: 1. hook, 2. horizontal cantilever, 3. linear module, 4. concentric rotating cylinder, 5. lifting cylinder, 6. first bearing group, 7. bottom plate, 8. universal wheel, 9. second bearing group, 10. connecting flange, 11. connecting cylinder, 12. driving gear, 13. motor reducer, 14. horizontal limit plate, 15. counterweight, 16. longitudinal slide rail, 17. connecting wing, 18. gear ring, 19. long through groove. DETAILED DESCRIPTION

[0020] The utility model is described in detail according to the accompanying drawings of the specification.

[0021] like Figure 1-Figure 4 As shown, the auxiliary suspension equipment for engine unit maintenance includes a base plate 7, universal wheels 8 arranged at the four corners of the lower surface of the base plate 7, and a suspension mechanism arranged above the base plate 7.

[0022] Among them, a first bearing group 6 is fixed in the middle of the upper surface of the base plate 7 and the concentric rotating drum 4 is supported by the first bearing group 6. A connecting tube 11 is built into the lower part of the concentric rotating drum 4. The lower end of the connecting tube 11 passes through the base plate 7 and is fixed with a connecting flange 10. A second bearing group 9 is provided between the lower surface of the base plate 7 and the connecting flange 10.

[0023] The suspension mechanism includes a lifting cylinder 5 fixed in the concentric rotating drum 4, a horizontal cantilever 2 fixed to the upper end of the cylinder rod of the lifting cylinder 5, a linear module 3 provided on the long arm of the horizontal cantilever 2, a hook 1 connected to the slider of the linear module 3, and a counterweight 15 connected to the short arm of the horizontal cantilever 2. A motor reducer 13 is inverted on the bottom plate 7, a driving gear 12 is fixed to the lower end of the output shaft of the motor reducer 13, and a gear ring 18 meshing with the driving gear 12 is provided on the outer peripheral surface of the connecting flange 10.

[0024] In this embodiment, the side of the concentric rotating cylinder 4 is provided with a longitudinal slide groove, the counterweight block 15 is provided with a longitudinal slide rail 16 that cooperates with the longitudinal slide groove, and the lower part of the concentric rotating cylinder 4 is provided with a horizontal limit plate 14 corresponding to the lower end of the longitudinal slide groove. The cross section of the longitudinal slide rail 16 is dovetail-shaped to prevent it from slipping out of the longitudinal slide groove of the concentric rotating cylinder 4 in the horizontal direction. The end of the short arm section of the horizontal cantilever 2 is provided with a U-shaped notch, and the upper ends of the counterweight block 15 are provided with connecting wings 17 supported on both sides above the U-shaped notch, and the connecting wings 17 are connected and fixed to the short arm section of the horizontal cantilever 2. The long arm section of the horizontal cantilever 2 is provided with a long through groove 19 arranged along its length direction, and the linear module 3 is supported above the long through groove 19. The slider of the linear module 3 is located in the long through groove 19 and can slide along the long through groove 19. The upper end of the hook 1 is welded and fixed to the lower surface of the slider of the linear module 3.

[0025] Working principle:

[0026] 1. Move the equipment to the location of the engine to be repaired or maintained, then start the motor reducer 13, use the driving gear 12 to drive the gear ring 18, connecting flange 10, connecting cylinder 11, concentric rotating cylinder 4, lifting cylinder 5, horizontal cantilever 2, linear module 3 and hook 1 to rotate synchronously, so that the hook 1 reaches the top of the engine, and use the sling to connect the engine and the hook 1.

[0027] 2. Start the lifting cylinder 5 to drive the engine upward to the set height, then start the motor reducer 13 and the linear module 3 to drive the engine to the top of the positioning mechanism pre-arranged on the bottom plate 7.

[0028] The above is a detailed description of the embodiments of the utility model, but the above contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of the invention of the utility model should still fall within the scope of this patent.

Claims

1. An auxiliary suspension device for engine maintenance, comprising a base plate, universal wheels arranged at four corners of the lower surface of the base plate, and a suspension mechanism arranged above the base plate, characterized in that: A first bearing group is fixed to the middle part of the upper surface of the base plate and the concentric rotating drum is supported by the first bearing group. A connecting tube is built into the lower part of the concentric rotating drum. The lower end of the connecting tube passes through the base plate and is fixed with a connecting flange. A second bearing group is arranged between the lower surface of the base plate and the connecting flange. The suspension mechanism includes a lifting cylinder fixed in the concentric rotating drum, a horizontal cantilever fixed to the upper end of the cylinder rod of the lifting cylinder, a linear module arranged on the long arm of the horizontal cantilever, a hook connected to the slider of the linear module, and a counterweight block connected to the short arm of the horizontal cantilever. A motor reducer is inverted on the base plate, a driving gear is fixed to the lower end of the output shaft of the motor reducer, and a gear ring meshing with the driving gear is arranged on the outer peripheral surface of the connecting flange.

2. The auxiliary suspension device for engine unit maintenance according to claim 1, characterized in that: A longitudinal slide groove is provided on the side of the concentric rotating cylinder, a longitudinal slide rail cooperating with the longitudinal slide groove is provided on the counterweight block, and a horizontal limit plate corresponding to the lower end of the longitudinal slide groove is provided at the lower part of the concentric rotating cylinder.

3. The auxiliary suspension device for engine maintenance according to claim 2, characterized in that: The cross section of the longitudinal slide rail is dovetail-shaped.

4. The auxiliary suspension device for engine maintenance according to claim 1, characterized in that: The long arm section of the horizontal cantilever is provided with a long through groove arranged along its length direction, the linear module is supported above the long through groove, the slider of the linear module is located in the long through groove and can slide along the long through groove, and the upper end of the hook is welded and fixed to the lower surface of the slider of the linear module.

5. The auxiliary suspension device for engine maintenance according to claim 1, characterized in that: A U-shaped notch is arranged at the end of the short arm section of the horizontal cantilever, and connecting wings supported on both sides above the U-shaped notch are arranged on both sides of the upper end of the counterweight block, and the connecting wings are connected and fixed to the short arm section of the horizontal cantilever.

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