CN207608269U - Vehicle lifting mechanism and automatic battery replacement system - Google Patents

Abstract

The utility model relates to a vehicle hoisting mechanism and automatic battery replacement system, wherein the vehicle hoisting mechanism comprises a columnar shell, a hoisting mechanism and a tackle are installed in the shell, the tackle is connected with a hoisting arm, and the hoisting arm is used for supporting a vehicle hoisting point; the lifting mechanism is connected with the pulley and used for driving the pulley to slide in the shell along the vertical direction so as to execute the lifting action of the lifting arm. The utility model discloses a plurality of can independent control promote with the promotion unit that descends and trade electric platform and constitute low-height automatic electric system that trades, can arrange in underground parking garage. Meanwhile, the vehicle lifting mechanism is simple in structure, low in manufacturing cost and high in lifting efficiency, and can realize quick battery replacement.

Description

Vehicle lifting mechanism and automatic battery replacement system

technical field

The utility model relates to the technical field of battery exchange for electric vehicles, in particular to a vehicle lifting mechanism and an automatic battery exchange system.

Background technique

At present, there are many kinds of automatic battery swap systems. The vehicle lifting, vehicle positioning, and platform structures and principles of each battery swap system are very different, and the battery swap process is also different.

Fig. 1 is a lifting platform of a power exchange system in the prior art. The system has a vehicle lifting mechanism 11, a vehicle rough positioning mechanism, a vehicle driving into an electric turning slope and a driving guide, a vehicle tire pedal 12 and embedded guide rail grooves, etc. Its main disadvantages include:

1) The vehicle lifting mechanism is set on the top of the battery exchange platform, resulting in a high height of the entire battery exchange system, which may affect the layout of the underground parking garage;

2) The driving mechanism of the vehicle lifting mechanism and the movement adjustment mechanism of the lifting arm are complex in structure, high in cost, difficult in maintenance, and low in lifting efficiency.

Utility model content

The purpose of the utility model is to provide a vehicle lifting mechanism and an automatic battery replacement system, which lifts the vehicle through multiple (generally four) lifting units independent of each other, reduces the overall height of the battery replacement platform, and makes it suitable for underground parking lots layout.

The purpose of this utility model is achieved through the following technical solutions.

A vehicle lifting mechanism, used for a power swap platform to lift a vehicle to be swapped, comprising a columnar casing, a lifting mechanism and a pulley are installed inside the casing, the pulley is connected to a lifting arm, and the lifting arm is used to support the vehicle lifting point;

The lifting mechanism is connected with the trolley, and is used to drive the trolley to slide vertically in the casing, so as to perform the lifting action of the lifting arm.

The purpose of this utility model is further realized by the following technical measures.

In the aforementioned vehicle lifting mechanism, one end of the lifting arm is connected to the trolley through a connecting plate, and the other end extends toward the vehicle lifting point.

The aforementioned vehicle lifting mechanism, wherein the trolley includes a first set of rollers, and the casing is provided with a guide groove formed by parallel guide rails along the sliding direction of the trolley, and the first set of rollers is rotatably arranged on the in the guide groove.

In the aforementioned vehicle lifting mechanism, wherein the trolley has multiple sets of the first roller sets, and the first roller sets correspond to the guide grooves one by one.

In the aforementioned vehicle lifting mechanism, multiple sets of the guide grooves are respectively provided on a set of facing inner walls of the housing.

In the aforementioned vehicle lifting mechanism, the trolley further includes a second roller set, and the peripheral surface of the second roller set abuts against the top surface of one of the guide rails.

The aforementioned vehicle lifting mechanism, wherein the lifting mechanism is an electric push rod, an electro-hydraulic push rod or a cylinder; the electric push rod or the electro-hydraulic push rod includes a motor, and a push rod part with a telescopic push rod, Connected with the telescopic push rod, the motor and the push rod part are arranged side by side.

The aforementioned vehicle lifting mechanism, wherein the lifting mechanism further includes a pulley at the output end of the telescopic push rod and a lifting belt sleeved on the pulley, one end of the lifting belt is fixed, and the other end is connected with the pulley to drive The tackle lifts.

The utility model also provides an automatic battery swapping system, including a battery swapping platform and any one of the above-mentioned lifting mechanisms, and the lifting mechanism has a plurality corresponding to each lifting point of the vehicle.

The aforementioned automatic battery replacement system, wherein the battery replacement platform is provided with front and rear positioning parts for positioning and supporting the front and rear wheels respectively, and the vehicle lifting mechanism is respectively provided at the positions of the positioning parts along the vehicle width direction. On both sides, the lift arms extend obliquely towards the area between the front and rear detents to reach the vehicle lift point.

The advantages and effects of the utility model are that a low-height automatic battery replacement system is formed by a plurality of lifting units capable of independently controlling lifting and lowering and a battery replacement platform, and can be arranged in an underground parking lot. In addition, the vehicle lifting mechanism has simple structure, low manufacturing cost, high lifting efficiency, and can realize quick battery replacement.

Description of drawings

Fig. 1 is a structural schematic diagram of a power exchange platform in the prior art;

Fig. 2 is a structural schematic diagram of the utility model automatic power exchange system;

Fig. 3 is an application scene diagram of the automatic power exchange system of the present invention;

Fig. 4 is a side view one of the vehicle lifting mechanism of the present invention;

Fig. 5 is the second side view of the vehicle lifting mechanism of the present invention;

Fig. 6 is a side view three of the vehicle lifting mechanism of the present invention;

Fig. 7 is a top view of the vehicle lifting mechanism of the present invention.

【Symbol Description】

11: Vehicle lifting mechanism 12: Vehicle tire pedal

21: Shell 22: Servo geared motor

23: telescopic push rod 24: pulley

25: Lifting belt 26: Pulley

261: The first roller group 262: The second roller group

263: Connecting plate 27: Lifting arm

28: Guide rail 3: Power exchange platform

31: Vehicle coarse positioning V-type roller 32: Vehicle coarse positioning in-line roller

33: Wheel coarse positioning push rod 34: Insert the reserved slot of the rack

35: Embedded in the reserved slot of the guide rail 36: Guide structure

4: Slope structure

Detailed ways

The utility model will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

Referring to Fig. 2, Fig. 3 and Fig. 4, the present embodiment provides an automatic power exchange system, which includes a vehicle lifting mechanism of a power exchange platform 3, and the power exchange platform 3 is provided with wheels for positioning and supporting the front and rear wheels respectively. The front and rear positioning parts of the vehicle, four lifting mechanisms independent of each other are symmetrically arranged on both sides of the positioning part along the vehicle width direction. In other examples, the number of lifting mechanisms may also be multiple corresponding to each lifting point of the vehicle.

Each lifting mechanism comprises a cylindrical shell 21, a lifting mechanism and a tackle 26 connected with a lifting arm 27 are installed in the shell 21, and the lifting arm 27 is located outside the shell 21 and extends obliquely towards the area between the front and rear positioning parts, to reach and support the vehicle lift point.

The lifting mechanism is connected with the trolley 26, and is used to drive the trolley 26 to slide vertically in the casing 21, and perform the lifting action of the lifting arm 27, thereby realizing the lifting of the electric vehicle to complete automatic battery pack replacement.

The vehicle lifting mechanism has the advantages of simple structure, low manufacturing cost, high lifting efficiency, and quick power replacement. It should be noted that the vehicle lifting mechanism in this embodiment is not only applicable to the automatic battery swap system, but also can be used in other scenarios where the vehicle needs to be lifted.

The electric vehicle of the present invention generally refers to a vehicle with a replaceable battery pack, and is not limited to a pure electric vehicle, but may also be a hybrid vehicle.

Referring to Figure 2, Figure 4 and Figure 7, in the lifting mechanism, one end of the lifting arm 27 is connected to the pulley 26 through the connecting plate 263, and the other end extends toward the vehicle lifting point, and there is enough space between the two lifting mechanisms on the same side. Large space to ensure that the battery replacement mechanism can freely enter and exit, and successfully complete the battery replacement task.

Referring to Fig. 5 and shown in Fig. 7, the tackle 26 includes a first roller set 261, the inner wall of the casing 21 is provided with a guide groove formed by parallel guide rails 28 along the sliding direction of the tackle 26, and the first roller set 261 is rotatably arranged on the guide groove. In the guide groove, under the guiding action of the guide groove, the tackle 26 can reciprocate vertically along the guide groove to drive the lifting arm 27 to lift.

The number of the first roller set 261 can be set according to the size of the casing, the pulley, and the rollers in the roller set, and the support strength requirements of the lifting arm 27 , for example, there can be one or more sets. When the trolley 26 has multiple sets of first roller sets 261 , the first roller sets 261 correspond to the guide grooves one by one, that is to say, each set of first roller sets 261 is provided with a corresponding guide groove. Wherein, multiple sets of first roller sets 261 can be arranged on the same inner wall or different inner walls of the shell 21, for example, multiple sets of guide grooves can be respectively set on a set of facing inner walls of the shell 21 to ensure the force balance of the pulley 26. In this embodiment, the pulley 26 is roughly in the shape of a cuboid, and the lifting arm 27 is connected to one of the side surfaces. There are two groups of guide grooves, which are respectively arranged on a group of inner walls facing each other of the casing 21. The first roller group 261 also has correspondingly The two groups are respectively arranged on two back-to-back sides of the pulley 26 , and the lifting arm 27 is connected to the other side between the first roller sets 261 .

Further, the trolley 261 also includes a second roller set 262 , and the peripheral surface of the second roller set 262 abuts against the top surface of one of the guide rails to balance the force on the lifting arm 27 . The second roller set also has two groups, respectively corresponding to the two groups of guide grooves, and respectively leaning against the top surface of a guide rail in the corresponding guide grooves.

Referring to Figure 4, Figure 5 and Figure 6, the lifting mechanism can be an electric push rod, an electro-hydraulic push rod or a cylinder, for example, when it is an electric push rod or an electro-hydraulic push rod, it includes a motor 22 and a telescopic push rod 23 The push rod portion, the pulley 26 is connected with the telescopic push rod 23, and the motor 22 and the push rod portion are arranged side by side. Through the lifting mechanism, the lifting and lowering of each lifting mechanism can be independently controlled, synchronous control can be realized, and the unevenness of the four lifting points caused by the weight deviation of the vehicle body can also be compensated. The maximum thrust of single telescopic push rod 23 can reach 2 tons, and speed can reach 40mm/s.

The lifting mechanism also includes a pulley 24 positioned at the output end of the telescopic push rod 23 and a lifting belt 25 that is sleeved on the pulley 24. One end of the lifting belt 25 is fixed, and the other end is connected with the pulley 26 to drive the pulley 26 up and down. In this embodiment, the lifting belt 25 adopts a suspension chain, one end of the suspension chain is fixedly connected with the shell 21 , and the other end is connected with the pulley 26 . In other examples, the lifting belt 25 and the pulley 24 may also be replaced by belts, pulleys and the like. In addition, one end of the lifting belt 25 is not limited to being fixed to the casing 21 , and can also pass through the casing 21 and be fixed on the ground or the power exchange platform 3 .

Referring to Fig. 2, the automatic power exchange system also includes a slope structure 4 connected to the power exchange platform 3, and the slope structure 4 is arranged at one or both ends of the vehicle in and out direction of the power exchange platform to support the driving of the vehicle. Enter or drive out of the power exchange platform.

The battery exchange platform 3 is equipped with a vehicle coarse positioning V-shaped roller 31, a vehicle coarse positioning in-line roller 32, and a wheel coarse positioning push rod 33. The vehicle coarse positioning V-shaped roller 31 is provided at one end of the battery exchange platform 3 (along the direction of vehicle entry) , the vehicle coarse positioning in-line roller 32 and the wheel coarse positioning push rod 33 are arranged on the other end of the power exchange platform 3 (along the vehicle driving direction).

Further, the power exchange platform 3 is also provided with a guide structure 36 for guiding vehicles to drive into or out of the power exchange platform 3 . It should be noted that the slope structure 4 and the guide structure 36 are arranged in pairs and used together. One end of the slope structure 4 is set and the guide structure 36 is correspondingly provided. When the vehicle drives into the power exchange platform, the driver can observe the slope structure. 4 and the guide structure 36, so that the driving direction of the vehicle can be determined.

Further, the power exchange platform 3 is also provided with a reserved slot 34 for inserting a rack and a reserved slot 35 for inserting a guide rail, which are used to install a rack and guide rail for driving and passing the battery exchange trolley RGV.

The automatic power exchange system constitutes a low-height automatic power exchange system through four lifting mechanisms and a power exchange platform. The overall height can be controlled within 2m, and it can be used in an underground parking garage and arranged in a parking space. The whole system adopts an independent modular structure, which is simple in structure and can be disassembled and assembled separately, which is convenient for transportation and installation. One side of the battery exchange platform can pass the battery exchange trolley, and the other side is convenient for the driver to get on and off. It can be used in the field of quick battery exchange within 3 minutes.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a kind of car lift structure, for changing level platform to promote vehicle to be charged, it is characterised in that：Including cylindrical shell, Lifting mechanism and coaster are installed, the coaster is connected with lift arm, and the lift arm is used to support vehicle and carries in the shell Rise point；

The lifting mechanism is connect with the coaster, for driving the coaster vertically to be slided in the shell, with Execute the lifting action of the lift arm.

2. car lift structure according to claim 1, it is characterised in that：Described lift arm one end passes through connecting plate and institute Coaster connection is stated, the other end extends to vehicle hoist point direction.

3. car lift structure according to claim 2, it is characterised in that：The coaster includes the first roller group, also, The shell is equipped with the guide groove formed by closed slide along the glide direction of the coaster, and first roller group is rollably In the guide groove.

4. car lift structure according to claim 3, it is characterised in that：The coaster has multigroup first idler wheel Group, first roller group are corresponded with the guide groove.

5. car lift structure according to claim 4, it is characterised in that：Multigroup guide groove is separately positioned on described On aspectant one group of inner wall of shell.

6. car lift structure according to claim 5, it is characterised in that：The coaster further includes the second roller group, institute The peripheral surface for stating the second roller group is resisted against the top surface of one of guide rail.

7. car lift structure according to claim 6, it is characterised in that：The lifting mechanism is electric pushrod, electro-hydraulic Push rod or cylinder；

The electric pushrod or Electrohydraulic push rod include that motor and the push rod portion with telescopic putter, the coaster are stretched with described Contracting push rod connects, and the motor and the push rod portion are set up in parallel.

8. car lift structure according to claim 7, it is characterised in that：The lifting mechanism further includes being located at described stretch The pulley of contracting push rod output end and the elevator belt for being placed on the pulley, described elevator belt one end are fixed, the other end and the cunning Vehicle connects, to drive the pulley-lifting.

9. a kind of moving electric system certainly, it is characterised in that：Including changing level platform and claim 1 to 8 any one of them vehicle Hoisting mechanism, the hoisting mechanism have corresponding with each hoist point of vehicle multiple.

10. according to claim 9 move electric system certainly, it is characterised in that：It is described change level platform be equipped be respectively used to Position and support the forward and backward positioning region of forward and backward wheel, the car lift structure to be respectively arranged on the positioning region along vehicle width direction Both sides, the lift arm obliquely towards between forward and backward positioning region region extend, to extend to vehicle hoist point.