WO2023051797A1

WO2023051797A1 - Battery transfer device having counterweight assembly, and battery swap station

Info

Publication number: WO2023051797A1
Application number: PCT/CN2022/123349
Authority: WO
Inventors: 张建平; 庄智敏; 陈新雨
Original assignee: 奥动新能源汽车科技有限公司; 上海电巴新能源科技有限公司
Priority date: 2021-09-30
Filing date: 2022-09-30
Publication date: 2023-04-06
Also published as: CN115284933A

Abstract

Disclosed in the present invention are a battery transfer device having a counterweight assembly, and a battery swap station. The battery transfer device is disposed on one side of a battery rack of the battery swap station so as to carry out battery transfer. The battery transfer device comprises a door frame and a car, the door frame comprises two longitudinal beams which are oppositely arranged, and the car is arranged between the two longitudinal beams. A transmission mechanism is disposed between the car and the door frame, and the transmission mechanism is used for enabling the car to move up and down along the length direction of the longitudinal beams. The battery transfer device further comprises a counterweight mechanism disposed on a frame body of the battery swap station so as to balance height-adjusting movement of the car. According to the present invention, the height-adjusting movement of the car can be balanced by means of the counterweight mechanism, and the height-adjusting process of the car can also be more stable, so that a driving mechanism can drive the car to move by using less force, the load of the driving mechanism is reduced, the loss of the driving mechanism is reduced, the cost is saved, the height-adjusting reliability of the battery transfer device is improved, and the height-adjusting process of the battery transfer device is more balanced.

Description

Battery transfer equipment and swap station with counterweight assembly

This application claims the priority of Chinese patent application 2021111659370 with a filing date of 2021/9/30. This application cites the full text of the above-mentioned Chinese patent application.

technical field

The invention relates to a battery transfer device and a power exchange station with a counterweight assembly.

Background technique

As the necessary equipment in the battery swap station, the battery transfer equipment is used to transfer the battery in the battery rack, so as to transfer the battery from the battery rack to the battery swap trolley for easy installation on the electric vehicle, or remove it from the electric vehicle Transfer the battery to the corresponding charging compartment on the battery rack for charging.

In the existing scheme, the battery transfer equipment is set opposite to the battery rack to facilitate the battery to enter and exit the charging compartment, and by controlling the up and down movement of the battery transfer equipment, the fully charged battery in any charging compartment of the battery rack can be extracted or the deficient battery can be sent to a designated in the charging compartment. The battery transfer equipment usually drives the corresponding transmission mechanism through the driving mechanism to realize the lifting movement. Therefore, the weight of the battery transfer equipment itself and the weight of the battery lead to higher requirements on the load bearing of the driver, resulting in the driver being easily damaged, high consumption, and potential safety hazards during use.

Contents of the invention

The technical problem to be solved by the present invention is to provide a battery transfer device and a power exchange station with a counterweight assembly in order to overcome the defect in the prior art that the drive mechanism in the battery transfer device has high load requirements.

The present invention solves the above technical problems through the following technical solutions:

A battery transfer device with a counterweight assembly, the battery transfer device is arranged on one side of the battery rack of the power station for battery transfer; its features are:

The battery transfer equipment includes a door frame and a car, the door frame includes two opposite longitudinal beams, the car is arranged between the two longitudinal beams; the car and the door frame There is a transmission mechanism between them, and the transmission mechanism is used to make the car move up and down along the length direction of the longitudinal beam;

The battery transfer equipment also includes a driving mechanism, the transmission mechanism includes a primary transmission part located outside the longitudinal beam and a secondary transmission part located inside the longitudinal beam, the power of the driving mechanism passes through the primary The transmission part and the secondary transmission part are transmitted to the car, so that the car moves up and down along the length direction of the longitudinal beam;

The battery transfer equipment also includes a counterweight mechanism arranged on the frame of the battery swapping station to balance the lifting movement of the car.

In this solution, through the transmission of the primary transmission part, the driving force of the driving mechanism can be transmitted to the secondary transmission part located on the inside of the longitudinal beam through the primary transmission part located outside the longitudinal beam, so that under the action of the secondary transmission part , to drive the car to move up and down along the longitudinal beam, so that the position of the driving mechanism is more flexible; through the counterweight mechanism, the lifting and moving of the car can be balanced, and the lifting process of the car can be made more stable, so that the driving mechanism It can use less force to drive the car to move, reduce the load of the driving mechanism, reduce the loss of the driving mechanism, thereby saving costs, improving the reliability of the battery transfer equipment lifting, and making the battery transfer equipment lifting process more balanced.

Preferably, the number of the secondary transmission parts is two, which are respectively arranged on the inner side walls of the two longitudinal beams and respectively connected to the side walls of the car,

The number of the first-stage transmission part is one, which is arranged on the outer wall of any one of the longitudinal beams, and the two second-stage transmission parts are synchronously connected through a synchronization component,

The driving mechanism is connected to the primary transmission part, so that after the primary transmission part is driven, the synchronous assembly drives the secondary transmission part to drive synchronously so that the car moves up and down.

In this solution, there is one primary transmission part, which can be located outside any longitudinal beam. After the driving force of the driving mechanism is transmitted through the primary transmission part, it can be simultaneously transmitted to the two secondary transmission parts located inside the longitudinal beam through the synchronous assembly. On the transmission part of the stage, it can drive both sides of the car to move up and down at the same time, so that the drive on both sides of the car can be even, so that the car can be lifted and lowered smoothly.

Preferably, the primary transmission part and the secondary transmission part respectively include a sprocket set and a chain, and the synchronous assembly is sequentially connected to any one of the sprockets in the sprocket set of the primary transmission part and The synchronous shaft of any sprocket in the sprocket set of the secondary transmission part.

In this scheme, both the primary transmission part and the secondary transmission part can include a sprocket set and a chain, through which power can be transmitted, and the synchronous assembly can connect the sprocket of the primary transmission part and the secondary The sprocket of the transmission part can not only transmit the driving force of the driving mechanism from the primary transmission part to the secondary transmission part, but also can be synchronously transmitted to the secondary transmission parts on both sides.

Preferably, the chain of the first-stage transmission part is a closed-loop structure, and the first-stage transmission part further includes a tension wheel, and the tension wheel is arranged on the outer side wall of the longitudinal beam and is connected with the first-stage transmission part. The chains of the transmission part fit together to adjust the tension of the chains.

In this solution, the tension of the chain of the first-stage transmission part can be adjusted through the tensioning wheel, so as to prevent the transmission chain from skipping teeth and affect the transmission accuracy.

Preferably, the driving mechanism includes a driver, and the driver is arranged at the bottom end of the outer side wall of any one of the longitudinal beams; the synchronous assembly is arranged between the top ends of the two longitudinal beams.

In this solution, the driving mechanism may include a driver, which is connected with the first-stage transmission part to drive the first-stage transmission part; and, the driver may be arranged at the bottom of the mast, so as to facilitate maintenance and debugging. The synchronous assembly can be arranged between the top ends of the two longitudinal beams, so that the driving force of the driver located at the bottom end can be transmitted to the secondary transmission part to realize the lifting movement of the car.

Preferably, the counterweight mechanism includes a first traction member, a second traction member, a guide assembly and a counterweight assembly;

After the first traction member and the second traction member are respectively connected to the guide assembly from both sides of the car, they are further connected to the counterweight assembly to balance the lifting movement of the car.

In this solution, the first traction member and the second traction member are respectively connected to the counterweight assembly under the guidance of the guide assembly, so as to ensure that the counterweight assembly can be arranged at a suitable position, saving the overall occupied space of the counterweight assembly, Realize the reasonable layout of battery transfer equipment. And, the first traction member and the second traction member are respectively connected with both sides of the car, so that the counterweight mechanism can balance the two sides of the car, and can simultaneously balance the two sides of the car during the balancing process to make the balance It can be more balanced and can improve the stability of the lift and movement of the car.

Preferably, the guide assembly includes two first pulleys and transition wheels respectively arranged on the tops of the two longitudinal beams; wherein, the first traction member and the second traction member are respectively controlled by the car The two sides of the pulley are wound around the corresponding first pulley, and are further connected to the counterweight assembly after being turned by the transition wheel.

In this solution, the first traction piece and the second traction piece can be respectively guided by the corresponding first slide, so that the first traction piece and the second traction piece can be guided towards the position of the counterweight assembly, so as to be aligned with the counterweight assembly. components to connect. In the process of connecting with the counterweight assembly, the first traction member and the second traction member can be transitionally guided and connected to the counterweight assembly through the transition wheel, so that the position of the counterweight assembly can be adapted.

Preferably, the guide assembly further includes a steering wheel disposed close to the transition wheel, and one of the first traction member and the second traction member is guided to the transition wheel through the corresponding first pulley , and the other is wound around the corresponding first pulley and then turned around the transition wheel by the steering wheel.

In this solution, the first traction member and the second traction member respectively connected to both sides of the car, one of which is close to the counterweight assembly and the other is away from the counterweight assembly, and the traction member close to the counterweight assembly can be guided by the first pulley to the transition wheel and connected with the counterweight assembly; away from the counterweight assembly traction piece can be guided to the transition wheel through the first pulley and the steering wheel and connected with the counterweight assembly. It can simplify the path of the two traction parts leading to the counterweight assembly, making the structure compact, and can also avoid problems such as movement misalignment of the traction part and interference with other components during the lifting process due to the complexity of the guiding path, and improve the balance of the counterweight assembly. Mobile stability and reliability.

Preferably, the guide assembly further includes a second pulley arranged on the top of the counterweight assembly, and the other ends of the first traction member and the second traction member are wound around the transition wheel The second pulley is then connected to the top of the frame.

In this solution, a second pulley can be provided at the top of the counterweight assembly, and the second pulley can move with the movement of the counterweight assembly; the first traction member and the second traction member can pass through the transition wheel to wind the second pulley Then it is connected with the top of the frame body, so that the length of the first traction member and the second traction member can be a fixed value, and the counterweight assembly and the car are raised one by one and the other is restrained by the first traction member and the second traction member. drop; and can make the fixing of the first traction member and the second traction member more reliable. The pulley connection between the traction member and the counterweight assembly can also be realized, the lifting and moving stroke of the counterweight assembly can be shortened, and the reliability of the counterweight can be improved.

Preferably, both sides of the car have outwardly protruding traction connectors, and one end of the first traction member and one end of the second traction member are respectively connected to the traction connectors on both sides fixed.

In this solution, the traction connecting piece protrudes outward, which can avoid interference between the traction piece and the movement of the car.

Preferably, the first pulley is fixed on the top of the longitudinal beam through a mounting seat, the plane of the mounting seat is perpendicular to the side wall of the longitudinal beam, and the first pulley is arranged on the mounting seat facing on the side of the car.

Preferably, the top surface of the installation seat has a lifting point, and the lifting point is used for fixed connection with the top main beam of the power exchange station.

In this solution, reliability and safety can be improved, and deformation or damage of the mounting seat caused by excessive force on the first pulley during the balancing process can be avoided.

Preferably, the counterweight mechanism includes a top plate arranged on the top of the battery rack, and the other ends of the first traction member and the second traction member are connected and fixed to the top plate through buffers, so The bumper is compressed when under tension and provides a restoring force against the tension.

In this solution, the buffer can provide buffering. When the car is suddenly lifted and accelerated, the buffer is buffered by compression, so as to avoid disconnection of the fixing part of the traction member and the top plate due to excessive tension.

Preferably, the counterweight assembly includes a frame having an accommodation cavity, and a counterweight disposed in the accommodation cavity, and the counterweight is detachably disposed in the accommodation cavity.

In this solution, the counterweight can be replaced as required, so as to realize the adjustment of the counterweight.

Preferably, guide shoes or guide rails are provided on both sides of the frame, guide rails or guide shoes are provided at corresponding positions of the battery rack, and the guide shoes and guide rails are slidably fitted to guide the counterweight assembly.

In this solution, the installation precision requirements of the guide shoe and the guide rail are low, and the counterweight assembly is guided through the guide shoe and the guide rail, thereby facilitating installation and guidance.

Preferably, the frame body is a column on any side of the battery rack; the two longitudinal beams are respectively located in the middle of the two sides of the car.

In this solution, the frame body used to install the counterweight mechanism reuses the column of the battery rack, making the structure more compact, the traction path of the counterweight mechanism is smaller, and the lifting stability of the counterweight mechanism is improved.

A power exchange station, characterized in that the power exchange station includes the above-mentioned battery transfer equipment with a counterweight assembly.

In this solution, the battery replacement station adopts the above-mentioned battery transfer equipment, which can be driven by the primary transmission part, and the driving force of the driving mechanism can be transmitted to the secondary transmission part located on the inside of the longitudinal beam through the primary transmission part located outside the longitudinal beam. The transmission part, so that under the action of the secondary transmission part, the car is driven to move up and down along the longitudinal beam, so that the position of the drive mechanism is more flexible; the lifting and moving of the car can be balanced through the counterweight mechanism, and the The lifting process of the car is more stable, so that the driving mechanism can use less force to drive the car to move, reduce the load on the driving mechanism, reduce the loss of the driving mechanism, thereby saving costs, improving the reliability of the battery transfer equipment lifting, and It makes the process of lifting and lowering the battery transfer equipment more balanced.

The positive progressive effect of the present invention is that: through the transmission of the primary transmission part, the driving force of the drive mechanism can be transmitted to the secondary transmission part located on the inside of the longitudinal beam through the primary transmission part located outside the longitudinal beam, so that the driving force of the secondary transmission part Under the action of the car, it drives the car to move up and down along the longitudinal beam, so that the position of the driving mechanism is more flexible; through the counterweight mechanism, the lifting and moving of the car can be balanced, and the lifting process of the car can be made more stable, so that The driving mechanism can use less force to drive the car to move, reduce the load of the driving mechanism, reduce the loss of the driving mechanism, thereby saving costs, improving the reliability of the lifting of the battery transfer equipment, and making the lifting process of the battery transfer equipment more balanced .

Description of drawings

Fig. 1 is a schematic side view structural diagram of a battery transfer device provided by an embodiment of the present invention;

Fig. 2 is a schematic side view of a battery transfer device provided by an embodiment of the present invention, which is the opposite side of the battery transfer device from Fig. 1 ;

Fig. 3 is a side view schematic diagram of a battery transfer device provided by an embodiment of the present invention, in which part of the battery rack is removed;

Fig. 4 is a schematic structural diagram of a door frame part of a battery transfer equipment provided by an embodiment of the present invention;

5 is a schematic plan view of a partial structure of a battery transfer device provided by an embodiment of the present invention;

Fig. 6 is a schematic structural view of the mounting seat provided by the embodiment of the present invention;

Fig. 7 is a schematic structural diagram of the traction connector of the battery transfer device provided by the embodiment of the present invention.

Explanation of reference signs

Battery transfer equipment 1

car 10

Mast 20

Stringer 21

Counterweight mechanism 30

The first traction member 31

Second traction member 32

Counterweight assembly 33

First pulley 341

Transition wheel 342

Steering wheel 343

Second pulley 344

Traction connection 35

Mount 361

Mounting bracket 362

Buffer 37

Guide shoe 381

Rail 382

Primary transmission part 41

Primary driven wheel 412

Primary drive chain 413

Tensioner 414

Secondary transmission part 42

Secondary drive wheel 421

Secondary driven wheel 422

Secondary drive chain 423

Synchronization component 43

drive 50

battery rack 2

Column 3

Detailed ways

The present invention is further illustrated below by means of examples, but the present invention is not limited to the scope of the examples.

The embodiment of the present invention provides a battery transfer device 1 with a counterweight assembly. The battery transfer device 1 can be arranged on one side of the battery rack 2 of the battery swapping station for battery transfer. As shown in Figures 1-7, the battery transfer equipment 1 includes a door frame 20 and a car 10, the door frame 20 includes two opposite longitudinal beams 21, the car 10 is arranged between the two longitudinal beams 21; the car 10 There is a transmission mechanism between the door frame 20, and the transmission mechanism drives the car 10 to move up and down along the length direction of the longitudinal beam 21. Wherein, the car 10 is used for accommodating the battery, and a pick-and-place mechanism for taking and placing the battery is provided inside it, so that the battery on the car 10 can be moved to the storage position of the battery rack 2, and the battery in the storage position of the battery rack 2 It can also be moved to the car 10 through the pick-and-place mechanism, so as to realize battery transfer. In a specific implementation, the battery transfer device 1 can be arranged between two battery racks 2 , and the pick-and-place mechanism can extend and move in both directions, so as to pick and place batteries from the corresponding positions of the battery racks 2 on both sides.

As shown in FIG. 1 , FIG. 2 and FIG. 3 , the battery transfer equipment 1 also includes a counterweight mechanism 30 arranged on the frame of the battery swapping station to balance the lifting movement of the car 10 .

Specifically, the driving force of the driving mechanism can be transmitted through the transmission mechanism to move the car 10 up and down. During the process of driving the car 10 up and down through the transmission mechanism, the counterweight mechanism 30 simultaneously goes up and down along with the lifting of the car 10, thereby It can actively balance the lifting movement of the car 10, and can also make the lifting process of the car 10 more stable, so that the driving mechanism can use less force to drive the car 10 to move, reducing the loss of the driving mechanism, thereby saving costs and improving The reliability of the lifting and lowering of the battery transfer equipment, and make the lifting process of the battery transfer equipment more balanced.

As shown in Figures 1-3, the battery transfer equipment 1 also includes a driving mechanism, the transmission mechanism includes a primary transmission part 41 located outside the longitudinal beam 21 and a secondary transmission part 42 located inside the longitudinal beam 21, the power of the driving mechanism passes through a The first-stage transmission part 41 and the second-stage transmission part 42 transmit to the car 10 so that the car 10 moves up and down along the longitudinal direction of the longitudinal beam 21 .

In a specific implementation, through the transmission of the primary transmission part 41, the driving force of the driving mechanism can be transmitted to the secondary transmission part 42 located inside the longitudinal beam 21 through the primary transmission part 41 located outside the longitudinal beam 21, so that in the secondary Under the action of the transmission part 42, the car 10 is driven to move up and down along the longitudinal beam 21, so that the location of the driving mechanism is more flexible.

As a preferred embodiment, as shown in Figures 1-3, there are two secondary transmission parts 42, which are respectively arranged on the inner side walls of the two longitudinal beams 21 and connected to the side walls of the car 10 respectively. superior,

There is one primary transmission part 41, which is arranged on the outer wall of any longitudinal beam 21, and the two secondary transmission parts 42 are synchronously connected by a synchronous assembly 43, and the driving mechanism is connected to the primary transmission part 41, thereby driving After the primary transmission part 41, the synchronous component 43 drives the secondary transmission part 42 for synchronous transmission so that the car 10 moves up and down. Therefore, after the driving force of the driving mechanism is transmitted through the primary transmission part 41, it can be simultaneously transmitted to the two secondary transmission parts 42 located inside the longitudinal beam 21 through the synchronous assembly 43, so that both sides of the car 10 can be driven up and down at the same time. move, so that the drive on both sides of the car 10 can be even, so that the car 10 can be lifted and lowered smoothly.

As a preferred embodiment, the primary transmission part 41 and the secondary transmission part 42 include a sprocket set and a chain respectively, and the synchronous assembly 43 is any sprocket and the secondary sprocket in the sprocket set connected to the primary transmission part 41 in sequence. The synchronizing shaft of any one sprocket in the sprocket set of stage transmission part 42.

In specific implementation, both the primary transmission part 41 and the secondary transmission part 42 can include respective sprocket sets and chains, through which power can be transmitted, and the synchronization assembly 43 can be connected to the primary transmission part 41 The sprocket and the sprocket of the secondary transmission part 42, so that the driving force of the driving mechanism can not only be transmitted from the primary transmission part 41 to the secondary transmission part 42, but also can be synchronously transmitted to the secondary transmission part 42 on both sides .

As shown in Figures 3 and 4, the first-stage transmission part 41 can include a primary driving wheel (not shown), a primary driven wheel 412 and a primary transmission chain 413, and the driving mechanism is connected and driven by the primary driving wheel The first-level driving wheel rotates, and the first-level driving wheel drives the first-level driven wheel 412 to rotate through the first-level transmission chain 413;

Two secondary transmission parts 42 all comprise secondary driving wheel 421, secondary driven wheel 422 and secondary transmission chain 423, two secondary transmission chains 423 are fixedly connected with the both sides of car 10 respectively, and secondary transmission chain 423 is sleeved on the secondary driving wheel 421 and the secondary driven wheel 422, and the two secondary driving wheels 421 are connected with the primary driven wheel 412 through the synchronization assembly 43, so that the primary driven wheel 412 drives the secondary driving wheel 421 to rotate to Drive the secondary drive chain 423 to move synchronously to make the car 10 move up and down.

Thereby, the driving force of the driving mechanism is transmitted to the first-stage driven wheel 412 at the top through the primary driving wheel and the primary transmission chain 413; The force is transmitted to the car 10 to realize the lifting movement of the car 10 . The driving force of the driving mechanism on one side of the car 10 can be transmitted to the other side of the car 10 through the synchronous component 43 , so as to realize the synchronous lifting movement of both sides of the car 10 . Wherein, both the primary driving wheel and the driver 50 can be located at the bottom of the longitudinal beam 21 , and the primary driving wheel can be connected with the drive shaft of the driver 50 .

As a preferred embodiment, the chain of the primary transmission part 41 is a closed-loop structure, and the primary transmission part 41 also includes a tensioning wheel 414, which is arranged on the outer wall of the longitudinal beam 21 and is connected with the primary transmission part 414. The chains of the transmission part 41 fit together to adjust the tension of the chains. Therefore, the tension of the chain of the first-stage transmission part 41 can be adjusted through the tensioning wheel 414, so as to prevent the transmission chain from skipping teeth and affecting the transmission accuracy.

As a preferred embodiment, as shown in Figure 1, the drive mechanism includes a driver 50, the driver 50 is arranged on the bottom end of the outer side wall of any longitudinal beam 21; between.

In practice, the driving mechanism may include a driver 50 connected to the first-stage transmission part 41 to drive the first-stage transmission part 41; and the driver 50 may be arranged at the bottom of the door frame 20 to facilitate maintenance and debugging. The synchronous component 43 can be arranged between the top ends of the two longitudinal beams 21 , so that the driving force of the driver 50 located at the bottom end can be transmitted to the secondary transmission part 42 to realize the lifting movement of the car 10 .

During implementation, different counterweight mechanisms 30 can be used to balance the lift of the car 10 . The following will describe some possible embodiments of the present invention in detail with reference to FIGS. 1-7 .

As a preferred embodiment, as shown in Figures 1-3, the counterweight mechanism 30 includes a first traction member 31, a second traction member 32, a guide assembly and a counterweight assembly 33; the first traction member 31 and the second traction member After the traction member 32 is respectively connected to the guide assembly by both sides of the car 10 , it is further connected to the counterweight assembly 33 to balance the lifting movement of the car 10 .

In practice, the counterweight assembly 33 has a certain quality, and the car 10 can be connected with the counterweight assembly 33 through the first traction member 31 and the second traction member 32, so that the car 10 and the counterweight assembly 33 can have opposite up and down relationship. When the car 10 moves upwards under the action of the driving mechanism and the transmission mechanism, the counterweight assembly 33 can move downward, so that the gravity of the counterweight assembly 33 can assist the movement of the car 10, and can also reduce the required load of the driving mechanism. driving force, reducing the requirement for the driving force of the driving mechanism; when the car 10 moves downward under the action of the driving mechanism and the transmission mechanism, the counterweight assembly 33 can move upwards, and during this process, the gravity of the counterweight assembly 33 The movement of the car 10 can be made more stable. In addition, the counterweight mechanism 30 balances the two sides of the car 10, and can simultaneously balance the two sides of the car 10 during the balancing process so that the balance can be more balanced, and the stability of the car 10's lifting and moving can be improved.

As shown in Figures 1-3, one end of the first traction member 31 and one end of the second traction member 32 are respectively connected to the outer sides of the two side walls of the car 10, and the first traction member 31 And the second traction member 32 can be guided to the counterweight assembly 33 and connected with the counterweight assembly 33 . In practice, the counterweight assembly 33 can be arranged on one side of the battery rack 2, specifically, the counterweight assembly 33 can be arranged on the side of the battery rack 2 opposite to the car 10, or as shown in Figure 1 It is arranged on the side of the battery rack 2 adjacent to the car 10 . Wherein, when the counterweight assembly 33 and the car 10 are respectively located on both sides adjacent to the battery rack 2, the traction path of the first traction member 31 and the second traction member 32 is shorter, which is convenient for traction and can also make the overall structure more compact. compact. In this way, it is ensured that the counterweight assembly 33 can be arranged at a proper position, the space occupied by the counterweight mechanism as a whole is saved, and a reasonable layout of the battery transfer device 1 is realized.

As a preferred embodiment, as shown in FIGS. 1-4 , the guide assembly may include two first pulleys 341 and transition wheels 342 respectively arranged at the tops of the two longitudinal beams 21; wherein, the first traction member 31 The second traction member 32 and the second traction member 32 are respectively wound around the corresponding first pulley 341 from both sides of the car 10 , and then connected to the counterweight assembly 33 after being turned by the transition wheel 342 .

In specific implementation, as shown in Fig. 1-Fig. A pulley 341 can make the first traction member 31 and the second traction member 32 be connected to the car 10 and guide to the counterweight assembly 33 via the first pulley 341, and can make the first traction member 31 and the second traction member 32 is drawn along the vertical direction, so that it is consistent with the direction in which the car 10 lifts, so as to improve the guiding performance. In the process of connecting with the counterweight assembly 33, the first traction member 31 and the second traction member 32 can be transitionally guided and connected to the counterweight assembly 33 through the transition wheel 342, so as to be able to adapt to the position of the counterweight assembly 33, To realize the association between the car 10 and the counterweight assembly 33.

As a preferred embodiment, as shown in FIGS. 1-3 , the guide assembly also includes a steering wheel 343 arranged close to the transition wheel 342, and one of the first traction member 31 and the second traction member 32 passes through the corresponding first traction member 342. One pulley 341 is guided to the transition wheel 342 , and the other is wound around the corresponding first pulley 341 and then turned around by the steering wheel 343 and then wound on the transition wheel 342 .

As shown in Figures 1-3, the first traction member 31 and the second traction member 32 are respectively connected to both sides of the car, and the connection between one traction member and the car 10 is far away from the counterweight assembly 33, and its winding is located at The first pulley 341 above it is turned by the steering wheel 343 and then wound around the transition wheel 342; the connection between the other traction member and the car 10 is close to the counterweight assembly 33, which is guided to the transition by the corresponding first pulley 341. Wheel 342.

As shown in Figures 1-3, the counterweight assembly 33 and the car 10 are respectively arranged at the adjacent two sides of the battery rack 2, and one of the two longitudinal beams 21 of the battery transfer device 1 is close to the counterweight assembly 33, and the other is far away from the counterweight assembly 33. For the counterweight assembly 33 , the tops of the two longitudinal beams 21 are respectively provided with corresponding first pulleys 341 , one of the two first pulleys 341 is close to the counterweight assembly 33 , and the other is away from the counterweight assembly 33 . One end of the first traction member 31 pulls one side of the car 10, and walks around the first pulley 341, the diverting pulley 343, the transition pulley 342, and the second pulley 344 on the side away from the counterweight assembly 33 in turn, and to the first traction The other end of the part 31 is fixed; one end of the second traction part 32 pulls the other side of the car 10, and turns around the first pulley 341, the transition wheel 342, and the second pulley 344 on the side of the counterweight assembly 33 in turn, And the other end of the second traction member 32 is fixed. Thus, the first traction member 31 and the second traction member 32 converge to the transition wheel 342 from the side away from the counterweight assembly 33 and the side close to the counterweight assembly 33 respectively, and the first traction member 31 and the second traction member 32 are connected to the car 10 respectively. Connections are made on both sides.

As shown in FIGS. 1-3 , the steering wheel 343 can be arranged between the first pulley 341 close to the counterweight assembly 33 and the transition wheel 342, and the first pulley 341 close to the counterweight assembly 33 is used to pull the second traction member 32 After the second traction member 32 is connected to the side wall of the car 10 , it extends upwards and passes through the first pulley 341 close to the counterweight assembly 33 to guide to the transition wheel 342 . Wherein, in order to make the structure compact, the steering wheel 343 can be arranged on the traction path of the second traction member 32 from the first pulley 341 to the transition wheel 342, but the second traction member 32 can not be in contact with the steering wheel 343, and is in contact with the steering wheel 343. There is a gap between the wheels 343 to directly connect with the transition wheel 342 , so that the steering wheel 343 only pulls the first traction member 31 . The first pulley 341 away from the counterweight assembly 33 is used to pull the first traction member 31. After the first traction member 31 is connected to the side wall of the car 10, it extends upwards and passes through the first pulley 341 away from the counterweight assembly 33 to guide to turn. At the wheel 343, it is guided to the transition wheel 342 via the steering wheel 343.

Wherein, as shown in Figure 5, since it is preferable to make the connection between the first traction member 31 and the second traction member 32 and the car 10 as symmetrical as possible with respect to the axis of symmetry of the car, the traction members received on both sides of the car 10 can be It is more balanced, so the distance between the first pulley 341 on the two longitudinal beams 21 and the longitudinal beams 21 needs to be the same as possible. And the first traction member 31 needs to be connected with the transition wheel 342 after turning to the steering wheel 343 after passing away from the first pulley 341 of the counterweight assembly 33. extends between the steering wheel 343 and does not interfere with the second traction member 32 and the first pulley 341 close to the counterweight assembly 33, as shown in Figure 5, the first pulley 341 away from the counterweight assembly 33 can be The deflection is at a certain angle to prevent the first traction member 31 from falling out of the groove, and can be staggered with the first pulley 341 close to the counterweight assembly 33 . Furthermore, the structure of the counterweight mechanism 30 can also be made more compact. In specific implementation, the first pulley 341 far away from the counterweight assembly 33 can have a deflection angle of 5-20 degrees, and the extension direction of the groove of the first pulley 341 passes through the tangent of the steering wheel 343, thereby preventing the first traction member from 31 derailed. Wherein, the first traction member 31 and the second traction member 32 may be wire ropes, so as to prevent derailment of the wire ropes.

It can be understood that, in the above-mentioned embodiments, the first traction member 31 and the second traction member 32 can be guided to the counterweight assembly 33 through the first pulley 341 and the steering wheel 343; The heavy component 33 can be arranged at other positions, and according to specific implementation conditions, more or fewer pulleys and steering wheels 343 can also be set, and the pulleys and steering wheels 343 can also be arranged at suitable positions, so that it is compatible with The first traction member 31 and the second traction member 32 connected to the car 10 can be guided and turned to the counterweight assembly 33 .

As a preferred embodiment, as shown in FIGS. 1-3 , the guide assembly also includes a second pulley 344 arranged on the top position of the counterweight assembly 33, the first traction member 31 and the second traction member 32 The other end is wound around the second pulley 344 via the transition wheel 342 and then connected to the top of the frame.

As shown in Figure 1, the top position of counterweight assembly 33 can be provided with second pulley 344, and this second pulley 344 can move along with counterweight assembly 33; The second pulley 344 is wound around the ferry 342 and then connected to the top of the frame body, so that the length of the first traction member 31 and the second traction member 32 can be a fixed value, and the counterweight assembly 33 and the car 10 are in the first traction member. 31 and the second traction member 32, one rises and the other descends; and it can make the fixing of the first traction member 31 and the second traction member 32 more reliable. Moreover, the stress on the first traction member 31 and the second traction member 32 can also be reduced by the second pulley 344 . In addition, the lifting movement of the counterweight module can be shortened, and the reliability of the counterweight can be improved.

As shown in Figure 1, wire grooves can be set on the transition wheel 342 and the second pulley 344, so that the first traction member 31 and the second traction member 32 can be arranged in different wire grooves, avoiding the second pulley during the traction process. The first traction member 31 interferes with the second traction member 32 .

As a preferred embodiment, as shown in Figure 7, both sides of the car 10 have traction connectors 35 protruding outwards, and one end of the first traction member 31 and one end of the second traction member 32 are respectively connected to The traction connectors 35 on both sides are connected and fixed. Therefore, the traction connecting member 35 protrudes outward, which can avoid interference between the traction member and the movement of the car 10 . As shown in FIG. 7 , the upper surface of the traction connector 35 is provided with an annular body and a threaded segment (not shown) connected with the annular body, and the threaded segment is threadedly connected with the upper surface of the protruding end of the traction connector. The annular body is provided with a mounting hole, the first traction part and the second traction part can be a traction rope, and the mounting hole can be used for connecting the traction rope.

As shown in Figure 7, the traction connector 35 can be fixedly connected with the outer side wall of the car 10, and the traction connector 35 can also be a bent structure, so that the position of the first pulley 341 can be matched, so that the first traction member 31 and The second traction member 32 can extend along the vertical direction; it can also prevent the traction connecting member 35 , the first traction member 31 and the second traction member 32 from interfering with other components.

As a preferred embodiment, as shown in Figure 6, the first pulley 341 is fixed on the top of the longitudinal beam 21 through the mounting seat 361, the plane of the mounting seat 361 is perpendicular to the side wall of the longitudinal beam 21, and the first pulley 341 It is arranged on the side of the mounting seat 361 facing the car 10 .

As shown in Figure 6, the first pulley 341 and the steering wheel 343 are fixedly connected to the mounting base 361 through the mounting bracket 362, wherein the mounting base 361 is provided with a mounting hole, and the mounting bracket 362 is provided with a waist-shaped hole. The positions of the first pulley 341 and the steering wheel 343 on the mounting seat 361 can be adjusted, so as to avoid poor assembly accuracy due to manufacturing errors.

As a preferred implementation mode, the top surface of the mounting base 361 has a lifting point, which is used for fixed connection with the main girder on the top of the substation, so as to improve reliability and safety, and avoid the loss of the first pulley 341 during the balancing process. The mounting seat 361 is deformed or damaged due to excessive force.

As a preferred embodiment, the counterweight mechanism 30 includes a top plate arranged on the top of the battery rack 2, and the other ends of the first traction member 31 and the second traction member 32 are connected and fixed to the top plate through a buffer 37, and the buffer The device 37 is compressed when under tension and provides a restoring force against the tension. Thereby, the buffer 37 can provide buffering. When the car 10 is suddenly lifted and accelerated, the buffer 37 is buffered by compression, so as to prevent the fixing part of the traction member and the top plate from being disconnected due to excessive tension.

In specific implementation, each traction member can be fixedly connected to the top plate through its own buffer 37 .

As a preferred implementation manner, the counterweight assembly 33 includes a frame having an accommodation cavity, and a counterweight disposed in the accommodation cavity, and the counterweight is detachably disposed in the accommodation cavity. Thus, the counterweight blocks can be combined and replaced according to the actual counterweight requirements, so as to realize the weight adjustment of the counterweight module.

In a specific implementation, a plurality of counterweights can be arranged in the counterweight assembly 33, and by adjusting the number of counterweights and the quality of the counterweights, the quality of the counterweight assembly 33 can be adjusted to adapt to different battery transfer equipment 1 Traction needs.

As a preferred embodiment, as shown in FIG. 1 , guide shoes 381 or guide rails 382 are provided on both sides of the frame, guide rails 382 or guide shoes 381 are provided at corresponding positions of the battery rack 2 , and guide shoes 381 and guide rails 382 slide Cooperate to guide the counterweight assembly 33 . The guide shoe 381 and the guide rail 382 require low installation accuracy, and the counterweight assembly 33 is guided by the guide shoe 381 and the guide rail 382, thereby facilitating installation and guidance.

As a preferred embodiment, the frame body is a column 3 arranged on any side of the battery rack 2 ; Therefore, the frame body for installing the counterweight mechanism 30 reuses the column 3 of the battery rack 2, making the structure more compact, the traction path of the counterweight mechanism 30 is smaller, and the lifting stability of the counterweight mechanism 30 is improved.

The present invention also provides a power exchange station, which includes the battery transfer equipment 1 as described above. By adopting the above-mentioned battery transfer equipment 1, the power station can balance the lifting movement of the car 10 through the counterweight mechanism 30, and can also make the lifting process of the car 10 more stable, so that the driving mechanism can use less force Drive the car 10 to move, reduce the load of the driving mechanism, reduce the loss of the driving mechanism, thereby saving costs, improving the reliability of the lifting of the battery transfer equipment, and making the lifting process of the battery transfer equipment more balanced.

Although the specific implementations of the present invention have been described above, those skilled in the art should understand that these are only examples, and various changes or changes can be made to these implementations without departing from the principle and essence of the present invention. Revise. Accordingly, the protection scope of the present invention is defined by the appended claims.

Claims

A battery transfer device with a counterweight assembly, the battery transfer device is arranged on one side of the battery rack of the power station for battery transfer; it is characterized in that,

The battery transfer equipment includes a door frame and a car, the door frame includes two opposite longitudinal beams, the car is arranged between the two longitudinal beams; the car and the door frame There is a transmission mechanism between them, and the transmission mechanism is used to make the car move up and down along the length direction of the longitudinal beam;

The battery transfer equipment also includes a driving mechanism, the transmission mechanism includes a primary transmission part located outside the longitudinal beam and a secondary transmission part located inside the longitudinal beam, the power of the driving mechanism passes through the primary The transmission part and the secondary transmission part are transmitted to the car, so that the car moves up and down along the length direction of the longitudinal beam;

The battery transfer equipment also includes a counterweight mechanism arranged on the frame of the battery swapping station to balance the lifting movement of the car.
The battery transfer device with a counterweight assembly according to claim 1, wherein,

The number of the two secondary transmission parts is two, which are respectively arranged on the inner side walls of the two longitudinal beams and respectively connected to the side walls of the car,

The number of the first-stage transmission part is one, which is arranged on the outer wall of any one of the longitudinal beams, and the two second-stage transmission parts are synchronously connected through a synchronization component,

The driving mechanism is connected to the primary transmission part, so that after the primary transmission part is driven, the synchronous assembly drives the secondary transmission part to drive synchronously so that the car moves up and down.
The battery transfer device with a counterweight assembly according to claim 2, wherein the primary transmission part and the secondary transmission part respectively include a sprocket set and a chain, and the synchronous assembly is sequentially connected to the A synchronous shaft between any sprocket in the sprocket set of the primary transmission part and any sprocket in the sprocket set of the secondary transmission part.
The battery transfer device with a counterweight assembly according to claim 3, wherein the chain of the first-stage transmission part is a closed-loop structure, and the first-stage transmission part further includes a tensioning wheel, and the tensioning wheel is set It is on the outer side wall of the longitudinal beam, and fits with the chain of the first-stage transmission part to adjust the tension of the chain.
The battery transfer device with a counterweight assembly according to any one of claims 2-4, wherein the driving mechanism includes a driver, and the driver is arranged at the bottom of any one of the outer side walls of the longitudinal beam end; the synchronous assembly is arranged between the top ends of the two longitudinal beams.
The battery transfer device with a counterweight assembly according to any one of claims 1-5, wherein the counterweight mechanism includes a first traction member, a second traction member, a guide assembly and a counterweight assembly;

After the first traction member and the second traction member are respectively connected to the guide assembly from both sides of the car, they are further connected to the counterweight assembly to balance the lifting movement of the car.
The battery transfer device with a counterweight assembly according to claim 6, wherein the guide assembly includes two first pulleys and a transition wheel respectively arranged at the tops of the two longitudinal beams; wherein,

The first traction member and the second traction member are respectively wound around the corresponding first pulleys on both sides of the car, and are further connected to the counterweight assembly after being turned by the transition wheel .
The battery transfer device with a counterweight assembly according to claim 7, wherein the guide assembly further comprises a steering wheel disposed close to the transition wheel, and the transition wheel corresponds to one of the first pulleys It is provided that the other first pulley is wound on the transition wheel after being steered by the steering wheel.
The battery transfer device with a counterweight assembly according to claim 7 or 8, wherein the guide assembly further includes a second pulley disposed on the top of the counterweight assembly, and the first traction member And the other end of the second traction member is wound on the second pulley through the transition wheel and then connected to the top of the frame.
The battery transfer equipment with a counterweight assembly according to any one of claims 6-9, wherein both sides of the car have traction connectors protruding outward, and the first traction member One end and one end of the second traction member are respectively connected and fixed to the traction connectors on both sides.
The battery transfer device with a counterweight assembly according to any one of claims 7-9, wherein the first pulley is fixed on the top of the longitudinal beam through a mount, and the plane of the mount is in line with the The side walls of the longitudinal beams are perpendicular to each other, and the first pulley is arranged on the side of the installation seat facing the car.
The battery transfer device with a counterweight assembly according to claim 11, wherein the top surface of the installation seat has a lifting point, and the lifting point is used for fixed connection with the top main beam of the power exchange station.
The battery transfer device with a counterweight assembly according to any one of claims 6-12, wherein the counterweight mechanism includes a top plate arranged on the top of the battery rack, the first traction member and the The other end of the second traction member is connected and fixed to the top plate by a buffer, and the buffer is compressed when pulled and provides a restoring force opposite to the pulling force.
The battery transfer device with a counterweight assembly according to any one of claims 6-13, wherein the counterweight assembly includes a frame having a housing cavity, and a counterweight disposed in the housing cavity, The counterweight is detachably arranged in the accommodating cavity.
The battery transfer equipment with a counterweight assembly according to claim 14, wherein guide shoes or guide rails are provided on both sides of the frame, guide rails or guide shoes are provided at corresponding positions of the battery rack, and the guide rails or guide shoes The shoe is slidingly engaged with the rail to guide the weight assembly.
The battery transfer equipment with a counterweight assembly according to any one of claims 1-15, wherein the frame body is a column on any side of the battery frame; the two longitudinal beams are respectively located on the In the middle of the two sides of the car.
A power exchange station, characterized in that the power exchange station comprises the battery transfer equipment with a counterweight assembly according to any one of claims 1-16.