Auxiliary suspension equipment for maintenance of engine unit
Technical Field
The utility model relates to auxiliary equipment for engine maintenance, in particular to auxiliary suspension equipment for engine unit maintenance.
Background
An engine is a machine that is capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion engines, jet engines, electric motors, etc., as internal combustion engines typically convert chemical energy into mechanical energy. The engine is applicable to both the power generation device and the entire machine including the power generation device. When the engine is maintained in the later period, the engine is required to be placed on a workbench for maintenance by using lifting equipment, and the position of the engine is also required to be adjusted by using the lifting equipment.
If CN 220575852U discloses an engine maintenance auxiliary fixtures, it includes the base, and the top of base is close to lateral wall position fixedly connected with support frame, and the top fixedly connected with suspension mechanism of support frame, the top of base is close to the position fixedly connected with lifting adjustment mechanism of support frame. This frock is through setting up lifting adjustment mechanism, makes it carry out the lifting adjustment of co-altitude to the engine, and the staff of being convenient for is the operation when maintaining, is provided with suspension mechanism in the side simultaneously, makes the staff when maintaining the engine bottom, can suspend the operation to the engine, and the intention is convenient for the staff to maintain the engine. However, the problem still exists in the use process that the suspension mechanism can only carry out suspension operation on the engine on the lifting plate, and the process that the engine reaches the lifting plate needs to be lifted and carried by manpower or other lifting equipment.
Disclosure of utility model
The utility model aims to provide auxiliary suspension equipment for engine unit maintenance, which is reasonable in structure and reliable in use and solves the problems, does not need other hoisting equipment to cooperate, saves time and labor and saves maintenance cost.
The technical scheme of the utility model is as follows:
the auxiliary suspension device for engine unit maintenance comprises a bottom plate, universal wheels arranged at four corners of the lower surface of the bottom plate, and a suspension mechanism arranged above the bottom plate, and is technically characterized in that a first bearing group is fixed in the middle of the upper surface of the bottom plate and is used for supporting a concentric rotary drum, a connecting cylinder is arranged in the lower part of the concentric rotary drum, the lower end of the connecting cylinder penetrates through the bottom plate and is fixedly connected with a flange, a second bearing group is arranged between the lower surface of the bottom plate and the connecting flange, the suspension mechanism comprises a lifting cylinder fixed in the concentric rotary drum, a horizontal cantilever fixed at 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 arranged on the bottom plate in an inverted mode, a driving gear is fixed at the lower end of an output shaft of the motor speed reducer, and a gear ring gear meshed with the driving gear is arranged on the outer peripheral surface of the connecting flange.
The auxiliary suspension equipment for engine unit maintenance is characterized in that a longitudinal chute is arranged on the side face of the concentric rotary drum, a longitudinal sliding rail matched with the longitudinal chute is arranged on the balancing weight, and a horizontal limiting plate corresponding to the lower end of the longitudinal chute is arranged at the lower part of the concentric rotary drum.
The auxiliary suspension device for engine unit maintenance is characterized in that the cross section of the longitudinal sliding rail is dovetail-shaped, and the longitudinal sliding groove of the concentric rotary drum is prevented from being separated from the horizontal direction.
The auxiliary suspension device for engine unit maintenance is characterized in that a long through groove is formed in the long arm section of the horizontal cantilever and is arranged along the length direction of the long arm section of the horizontal cantilever, the linear module is supported above the long through groove, a sliding block 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 lifting hook is welded and fixed with the lower surface of the sliding block of the linear module.
The auxiliary suspension device for engine unit maintenance is characterized in that a U-shaped notch is formed in the tail end of the short arm section of the horizontal cantilever, connecting wings supported on two sides above the U-shaped notch are arranged on two sides of the upper end of the balancing weight, and the connecting wings are fixedly connected with the short arm section of the horizontal cantilever.
The beneficial effects of the utility model are as follows:
1. When the engine lifting device is used, the engine to be maintained is lifted to the positioning mechanism which is pre-installed above the device by the aid of the suspension mechanism of the device, other lifting devices are not needed to be matched in the process, time and labor are saved, and maintenance cost is saved.
2. The suspension mechanism has the functions of lifting and changing the horizontal position, also has the function of rotating, is convenient for taking and placing engines in different directions and at different positions, and has flexible use and high working efficiency.
3. The balancing weight and the lifting hook are arranged at two ends of the horizontal cantilever, and the equipment is prevented from turning over in the hoisting process by the balancing weight.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a top view of the weight of fig. 1.
In the figure, the lifting hook is 1, the horizontal cantilever is 2, the straight line module is 3, the concentric rotary drum is 4, the lifting cylinder is 5, the first bearing group is 7, the bottom plate is 8, the universal wheel is 9, the second bearing group is 10, the connecting flange is 11, the connecting cylinder is 12, the driving gear is 13, the motor reducer is 14, the horizontal limiting plate is 15, the balancing weight is 16, the longitudinal sliding rail is 17, the connecting wing is 18, the gear ring is 19, and the long through groove is formed.
Detailed Description
The utility model will be described in detail with reference to the drawings.
As shown in fig. 1 to 4, the auxiliary suspension device for maintenance of an engine unit comprises a base plate 7, universal wheels 8 arranged at four corners of the lower surface of the base plate 7, and a suspension mechanism arranged above the base plate 7.
The middle part of the upper surface of the bottom plate 7 is fixedly provided with a first bearing group 6 and supports the concentric rotary drum 4 by using the first bearing group 6, a connecting drum 11 is arranged in the lower part of the concentric rotary drum 4, the lower end of the connecting drum 11 penetrates through the bottom plate 7 and is fixedly provided with a connecting flange 10, and a second bearing group 9 is arranged between the lower surface of the bottom plate 7 and the connecting flange 10.
The suspension mechanism comprises a lifting cylinder 5 fixed in a concentric rotary cylinder 4, a horizontal cantilever 2 fixed at the upper end of a cylinder rod of the lifting cylinder 5, a linear module 3 arranged on a long arm of the horizontal cantilever 2, a lifting hook 1 connected with a sliding block of the linear module 3, and a balancing weight 15 connected with a short arm of the horizontal cantilever 2. The motor reducer 13 is inverted on the bottom plate 7, a driving gear 12 is fixed at the lower end of an output shaft of the motor reducer 13, and a gear ring 18 meshed with the driving gear 12 is arranged on the outer peripheral surface of the connecting flange 10.
In this embodiment, a longitudinal chute is disposed on a side surface of the concentric drum 4, a longitudinal slide rail 16 matched with the longitudinal chute is disposed on the balancing weight 15, and a horizontal limiting plate 14 corresponding to the lower end of the longitudinal chute is disposed at the lower portion of the concentric drum 4. The cross section of the longitudinal sliding rail 16 is dovetail-shaped, so that the longitudinal sliding rail of the concentric rotary drum 4 is prevented from being separated from the horizontal direction. The end of the short arm section of the horizontal cantilever 2 is provided with a U-shaped notch, two sides of the upper end of the balancing weight 15 are provided with connecting wings 17 supported on two sides above the U-shaped notch, and the connecting wings 17 are fixedly connected with 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 the length direction of the long through groove 19, the linear module 3 is supported above the long through groove 19, a sliding block of the linear module 3 is positioned in the long through groove 19 and can slide along the long through groove 19, and the upper end of the lifting hook 1 is fixedly welded with the lower surface of the sliding block of the linear module 3.
Working principle:
1. The equipment is moved to the place where the engine to be repaired or maintained is located, then a motor reducer 13 is started, a driving gear 12 is utilized to drive a gear ring 18, a connecting flange 10, a connecting cylinder 11, a concentric rotary cylinder 4, a lifting cylinder 5, a horizontal cantilever 2, a linear module 3 and a lifting hook 1 to synchronously rotate, the lifting hook 1 reaches the upper part of the engine, and the engine and the lifting hook 1 are connected by a sling.
2. The lifting cylinder 5 is started to drive the engine to ascend to a set height, and then the motor speed reducer 13 and the linear module 3 are started to drive the engine to reach the position above a positioning mechanism which is arranged in advance on the bottom plate 7.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to fall within the scope of the present utility model.