CN114407720A - Battery replacement method, battery replacement device and operation machine - Google Patents

Battery replacement method, battery replacement device and operation machine Download PDF

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Publication number
CN114407720A
CN114407720A CN202210191573.1A CN202210191573A CN114407720A CN 114407720 A CN114407720 A CN 114407720A CN 202210191573 A CN202210191573 A CN 202210191573A CN 114407720 A CN114407720 A CN 114407720A
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CN
China
Prior art keywords
battery
preset position
machine
battery replacement
working machine
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Pending
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CN202210191573.1A
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Chinese (zh)
Inventor
陈灿
张亚晴
叶城华
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Sany Automobile Hoisting Machinery Co Ltd
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Sany Automobile Hoisting Machinery Co Ltd
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Application filed by Sany Automobile Hoisting Machinery Co Ltd filed Critical Sany Automobile Hoisting Machinery Co Ltd
Priority to CN202210191573.1A priority Critical patent/CN114407720A/en
Publication of CN114407720A publication Critical patent/CN114407720A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention relates to the technical field of operation machinery, in particular to a battery replacement method, a battery replacement device and operation machinery. The battery replacement method provided by the invention comprises the following steps: when a battery replacement instruction is received and a battery replacement condition is determined to be met, controlling the operation machinery to suspend and load the battery to a preset position; the preset position corresponds to a battery installation position, and the battery replacement condition at least comprises that the battery installation position of the working machine is in an empty state; and when the battery is determined to be placed at the preset position, controlling a battery replacement mechanism of the working machine to mount the battery at the battery mounting position. The invention provides a battery replacement method, a battery replacement device and an operation machine, which can effectively improve battery replacement efficiency.

Description

Battery replacement method, battery replacement device and operation machine
Technical Field
The invention relates to the technical field of operation machinery, in particular to a battery replacement method, a battery replacement device and operation machinery.
Background
With the popularization of new energy operating machines, manufacturers and markets increasingly attach importance to the lightweight design and the cruising performance of the new energy operating machines.
For example, in the electric crane in the prior art, if the electric crane needs a large amount of electricity for long endurance, the battery arrangement and cost are greatly tested, and meanwhile, the development of the pure electric crane is restricted due to the inconvenience and the serious charging.
In order to solve the problem of endurance of the operation machine, a power replacing scheme of the operation machine is provided in the prior art, however, a power replacing mechanism of the operation machine in the prior art is inconvenient for battery replacement and has low efficiency when the battery is replaced.
Disclosure of Invention
The invention provides a battery replacement method, a battery replacement device and an operation machine, which can effectively improve battery replacement efficiency.
The first aspect of the invention provides a battery replacement method, which comprises the following steps:
when a battery replacement instruction is received and a battery replacement condition is determined to be met, controlling the operation machinery to suspend and load the battery to a preset position; the preset position corresponds to a battery installation position, and the battery replacement condition at least comprises that the battery installation position of the working machine is in an empty state;
and when the battery is determined to be placed at the preset position, controlling a battery replacement mechanism of the working machine to mount the battery at the battery mounting position.
According to the battery replacement method provided by the invention, the battery installation position is arranged at the lower end of the operating machinery rotary table, and the battery is hoisted to the preset position by controlling the operating machinery, and the method comprises the following steps:
controlling a suspension arm of the operation machine to suspend the battery to the preset position;
and controlling the rotary table of the operation machine to rotate so that the battery mounting position is aligned with the preset position.
According to the battery replacement method provided by the invention, the battery replacement condition further comprises that a vehicle-mounted charger is in a normal state, wherein the vehicle-mounted charger is used for supplying power to the battery and a motor of the operation machine.
According to the battery replacement method provided by the invention, the step of controlling the operation machinery to suspend and load the battery to the preset position comprises the following steps:
the vehicle-mounted charger supplies power to the motor, and after the motor is electrified, the hydraulic pump of the operation machine is driven to work, so that the hydraulic pump drives the hydraulic actuating mechanism of the operation machine to hoist the battery to a preset position.
According to the battery replacement method provided by the invention, the step of controlling the operation machinery to suspend and load the battery to the preset position comprises the following steps:
starting an engine of the working machine, driving a hydraulic pump of the working machine to work through the engine, and enabling the hydraulic pump to drive a hydraulic actuating mechanism of the working machine to hoist the battery to a preset position.
According to the battery replacement method provided by the invention, the step of controlling the operation machinery to suspend and load the battery to the preset position comprises the following steps:
starting a standby battery of the operation machine, supplying power to the motor through the standby battery, and driving a hydraulic pump of the operation machine to work after the motor is powered on so that the hydraulic pump drives a hydraulic actuating mechanism of the operation machine to hoist the battery to a preset position.
A second aspect of the present invention provides a battery swapping device, including:
the hoisting control module is used for controlling the operation machinery to hoist the battery to a preset position when the battery replacing instruction is received and the battery replacing condition is determined to be met; the preset position corresponds to a battery installation position, and the battery replacement condition at least comprises that the battery installation position of the working machine is in an empty state;
and the battery replacement control module is used for controlling a battery replacement mechanism of the working machine to mount the battery to the battery mounting position when the battery is determined to be placed at the preset position.
According to the battery replacement device provided by the invention, the battery replacement mechanism comprises:
the transverse driving mechanism is arranged on the machine body of the working machine;
the longitudinal driving mechanism is connected with the transverse driving mechanism, the transverse driving mechanism can drive the longitudinal driving mechanism to transversely displace, and a first connecting part is arranged at the end part of the longitudinal driving mechanism;
and the battery device is provided with a second connecting part, and when the transverse driving mechanism drives the longitudinal driving mechanism to transversely displace, the first connecting part can be connected with or disconnected from the second connecting part.
According to the battery replacement device provided by the invention, the transverse driving mechanism is arranged on the rotary table of the working machine.
A third aspect of the present invention provides a working machine including a machine body and a battery replacement device provided in the machine body, wherein the battery replacement device is the battery replacement device described above.
According to the battery replacement method provided by the invention, after a battery replacement instruction of a user is received, whether the battery installation position of the operation machine is in an empty state or not is detected, namely whether the battery at the battery installation position is detached or not is detected. When the battery installation position is determined to be in an empty state, an external power supply or an engine of the working machine is used as a power source to drive an execution mechanism of the working machine to act, so that the working machine can suspend and load the battery to a preset position corresponding to the battery installation position, and then a battery replacement mechanism of the working machine is controlled to install the battery to the battery installation position. With the adoption of the arrangement, the battery replacing method provided by the invention can realize automatic replacement of the battery, and effectively improves the battery replacing efficiency of the operation machinery.
The battery replacement device and the operation machine provided by the invention can effectively improve the battery replacement efficiency of the operation machine. The derivation process of the beneficial effect is substantially similar to the derivation process of the battery swapping method, and is not described herein again.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a power swapping method in an embodiment of the invention;
FIG. 2 is a schematic diagram of a power swapping device according to an embodiment of the invention;
FIG. 3 is an electrical schematic diagram of a power swapping device according to an embodiment of the invention;
FIG. 4 is a schematic diagram of an assembly structure of a power exchanging mechanism according to an embodiment of the present invention;
FIG. 5 is an exploded view of the battery swapping mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of a fixed weight configuration in an embodiment of the present invention;
FIG. 7 is an exploded view of a battery device according to an embodiment of the present invention;
FIG. 8 is a schematic view of a longitudinal drive mechanism in an embodiment of the present invention;
FIG. 9 is a schematic view of a connector barrel according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a hybrid mode electrical schematic of the power switching apparatus in an embodiment of the present invention.
Reference numerals:
11: a lateral drive mechanism; 12: a longitudinal drive mechanism; 13: a turntable; 14: a battery; 15: fixing a balance weight; 16: a connecting cylinder; 17: an avoidance groove; 18: a quick-change connector female end; 19: a box body; 20: an electric core; 21: fixing a bracket; 22: a water cooling unit; 23: a male end of a quick-change connector; 24: a high voltage box; 25: connecting columns.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a battery swapping method provided in the embodiment of the present invention includes the steps of:
s11, when a battery replacement instruction is received and it is determined that a battery replacement condition is met, controlling the operation machine to suspend the battery to a preset position; the preset position corresponds to a battery installation position, and the battery replacement condition at least comprises that the battery installation position of the operation machine is in an empty state; in some embodiments, a user may trigger a battery replacement instruction by operating a button, and after receiving the battery replacement instruction, the overhead control device of the work machine detects that the battery installation position of the work machine is in an empty state, that is, whether the battery in the battery installation position has been detached. When the battery installation position is determined to be in an empty state, an external power supply or an engine of the working machine is used as a power source to drive an execution mechanism of the working machine to act, so that the working machine can hoist the battery to a preset position corresponding to the battery installation position;
and S12, controlling a battery replacing mechanism of the working machine to mount the battery to the battery mounting position when the battery is determined to be placed at the preset position. In this embodiment, the work machine is provided with a battery replacement mechanism for installing the battery placed at the preset position to a battery installation position of the work machine.
So set up, the operation machinery that this embodiment provided can realize the automatic change of battery, has effectively improved operation machinery's the efficiency of trading the electricity.
In some embodiments, the battery mounting position is disposed at a lower end of the work machine turret, and the battery replacing mechanism is capable of connecting the battery to a lower end surface of the battery when the battery is mounted. In view of this, in step S11, the controlling the work machine to suspend the battery to the preset position includes:
s21, controlling a boom of the working machine to hoist the battery to a preset position, wherein the preset position is located on a vehicle body platform of the working machine, and when the rotary table rotates to a preset angle, the lower end face of the rotary table can correspond to the preset position;
and S22, controlling the rotary table of the working machine to rotate so that the battery mounting position is aligned with the preset position. When the battery is placed at the preset position by the hoisting device of the working machine, the lower end face of the battery is staggered with the preset position. Therefore, it is necessary to control the rotation of the turntable of the working machine to the preset angle so that the lower cross-section of the turntable is aligned with the preset position.
Then, the battery is lifted and connected to the rotary table through the battery replacing mechanism. By the arrangement, the battery can be replaced through the operation machine, and external equipment is not needed. Moreover, the battery is arranged on the lower end face of the rotary table, so that the battery does not occupy the external space, and the battery can be used as a balance weight, thereby being beneficial to the light-weight design of the working machine.
In a further embodiment, the battery replacement condition further includes that the vehicle-mounted charger is in a normal state, where the vehicle-mounted charger is configured to supply power to the battery and the motor of the work machine.
In some embodiments, the input end of the vehicle-mounted charger can be electrically connected with an external 380V power supply, the output end of the vehicle-mounted charger is respectively connected with a battery and a motor of the working machine, the vehicle-mounted charger can comprise three working modes, and the first mode is that the vehicle-mounted charger only charges the battery; secondly, the vehicle-mounted charger is only used for supplying power to the motor; and thirdly, the vehicle-mounted charger supplies power to the battery and the motor simultaneously. The three working modes can be automatically switched according to the power of the motor and the output power of the vehicle-mounted charger, and are not described again here.
When the vehicle-mounted charger is used as the drive of the motor, correspondingly, the battery replacement condition further comprises that the vehicle-mounted charger is in a normal state. The vehicle-mounted charger can start the hanging device of the operation machine to hang the battery under the normal working state.
In this embodiment, the power source of the working machine during the battery replacement process is an external 380V power source. Specifically, in step S11, the controlling the work machine to suspend the battery to the preset position includes:
the vehicle-mounted charger supplies power to the motor, and after the motor is electrified, the hydraulic pump of the operation machine is driven to work, so that the hydraulic pump drives the hydraulic actuating mechanism of the operation machine to hoist the battery to a preset position.
In other embodiments, the power source of the work machine during the battery replacement process may also be an engine, and specifically, in step S11, the controlling the work machine to suspend the battery to a preset position includes:
and starting an engine of the working machine, driving a hydraulic pump of the working machine to work through the engine, so that the hydraulic pump drives a hydraulic actuating mechanism of the working machine to hoist the battery to a preset position.
Of course, in the embodiment, the hydraulic actuator of the working machine may also be driven in the hybrid mode, and as shown in fig. 10, when the output power of the actuator is less than the maximum output power of the motor, the motor may drive the actuator to suspend the battery to a preset position; when the output power of the actuating mechanism is larger than the maximum output power of the motor, the actuating mechanism can be driven by the engine or the motor and the engine simultaneously to suspend and load the battery to the preset position.
The embodiment of the invention also provides a power conversion device which comprises a suspended load control module and a power conversion control module. The hoisting control module is used for controlling the operation machinery to hoist the battery to a preset position when the battery replacing instruction is received and the battery replacing condition is determined to be met; the preset position corresponds to a battery installation position, and the battery replacement condition at least comprises that the battery installation position of the working machine is in an empty state.
The battery replacement control module is used for controlling a battery replacement mechanism of the working machine to mount the battery to the battery mounting position when the battery is placed at the preset position.
So set up, the operation machinery that this embodiment provided can realize the automatic change of battery, has effectively improved operation machinery's the efficiency of trading the electricity.
The battery replacement mechanism provided in the embodiment of the present invention is described below with reference to fig. 4 to 9. The battery replacement mechanism provided by the embodiment comprises a transverse driving mechanism 11 and a longitudinal driving mechanism 12.
The transverse driving mechanism 11 is disposed on the machine body of the working machine. In some embodiments, the work machine may be a crane, and the lateral drive mechanism 11 is arranged on a turntable 13 of the crane. The telescopic end of the transverse driving mechanism 11 can be displaced reciprocally in the transverse direction. The longitudinal driving mechanism 12 is connected with the transverse driving mechanism 11, specifically, the longitudinal driving mechanism 12 is connected with the telescopic end of the transverse driving mechanism 11, and the transverse driving mechanism 11 can drive the longitudinal driving mechanism 12 to reciprocate along the transverse direction. Further, the end portion of the longitudinal driving mechanism 12 is provided with a first connecting portion, and the longitudinal driving mechanism 12 can drive the first connecting portion to be reciprocally displaced in the longitudinal direction. The "longitudinal direction" refers to a vertical direction in the state shown in fig. 1, and the "lateral direction" refers to a direction perpendicular to the "longitudinal direction".
The battery 14 is provided with a second connecting part, and the first connecting part can be connected with or disconnected from the second connecting part when the transverse driving mechanism 11 drives the longitudinal driving mechanism 12 to transversely displace. For example, when the telescopic end of the transverse driving mechanism 11 is retracted, the longitudinal driving mechanism 12 can be driven to gradually approach the second connecting portion of the battery 14 until the first connecting portion on the longitudinal driving mechanism 12 is abutted against the second connecting portion of the battery 14. When the telescopic end of the transverse driving mechanism 11 extends out, the longitudinal driving mechanism 12 can be driven to gradually get away from the second connecting part until the first connecting part and the second connecting part are separated.
With this arrangement, according to the technical solution provided in this embodiment, when the battery 14 is mounted on the working machine, the transverse driving mechanism 11 may be controlled to drive the longitudinal driving mechanism 12 to move transversely, so that the first connecting portion of the longitudinal driving mechanism 12 is abutted against the second connecting portion of the battery 14, and then the battery 14 is lifted by controlling the longitudinal driving mechanism 12, so as to mount the battery 14. When the battery 14 needs to be disassembled, the longitudinal driving mechanism 12 can be controlled to drive the battery 14 to move downwards, the battery 14 is placed at a preset position, and then the transverse driving mechanism 11 is controlled to drive the longitudinal driving mechanism 12 to move transversely, so that the first connecting part and the second connecting part are separated, and the disassembly of the battery 14 is realized. With such an arrangement, the replacement of the battery 14 can be quickly realized, and the battery replacement efficiency is improved.
In a further embodiment, the transverse driving mechanism 11 is disposed on a rotary table 13 of the working machine, and the transverse driving mechanism 11 is provided in plurality, the plurality of transverse driving mechanisms 11 are distributed on a side surface of the rotary table 13, the plurality of longitudinal driving mechanisms 12 are provided in plurality and are connected to the transverse driving mechanisms 11 in a one-to-one correspondence, and the plurality of second connecting portions on the corresponding batteries 14 are also provided in plurality and are connected to the plurality of longitudinal driving mechanisms 12 in a one-to-one correspondence.
In some embodiments, one lateral driving mechanism 11 is provided at each of four corner positions of the turntable 13 of the working machine, and the four lateral driving mechanisms 11 can be extended or retracted simultaneously. The telescopic end of each transverse driving mechanism 11 is connected with a longitudinal driving mechanism 12, and the telescopic end of each longitudinal driving mechanism 12 is provided with a first connecting part. Correspondingly, four second connecting portions are arranged on the upper end face of the battery 14, and the four first connecting portions can be connected with the four second connecting portions in a one-to-one correspondence mode.
When the battery needs to be connected, after the battery is placed at a preset position, the four transverse driving mechanisms 11 simultaneously drive the four longitudinal driving mechanisms 12 to move, so that the first connecting parts of the four longitudinal driving mechanisms 12 are respectively and gradually close to the corresponding four second connecting parts until the first connecting parts and the second connecting parts are butted together. And then controls the four longitudinal driving mechanisms 12 to simultaneously lift the batteries upwards to realize the installation of the batteries. When the battery is disassembled, the four longitudinal driving mechanisms 12 are controlled to simultaneously extend downwards to enable the battery 14 to be placed at a preset position, and then the four transverse driving mechanisms 11 are controlled to simultaneously drive the four longitudinal driving mechanisms 12 to displace, so that the first connecting parts of the longitudinal driving mechanisms 12 are separated from the second connecting parts of the battery 14.
In a further embodiment, one of the first and second connections is provided as a connector barrel 16 and the other is provided as a connector post 25. As shown in fig. 6, the connecting cylinder 16 is a cylindrical structure having a hollow inside and is used to connect with the connecting column 25, and an opening is provided at an end of the connecting cylinder 16. The side wall and the end part of the connecting cylinder 16 are provided with openings for the connecting column 25 to enter, the end opening of the connecting cylinder 16 is smaller than the cross section of the inner cavity of the connecting cylinder, and the shape of the connecting column 25 is matched with the shape of the port and the inner cavity of the connecting cylinder 16.
In some embodiments, the first connector portion is configured as the connector post 25 and the second connector portion is configured as the connector barrel 16.
After the connecting column 25 enters the connecting cylinder 16 from the opening of the side wall of the connecting cylinder 16 along the transverse direction, since the cross section of the end opening of the connecting cylinder 16 is smaller than that of the inner cavity, and the shape of the connecting column 25 is matched with the shape of the port and the inner cavity of the connecting cylinder 16, that is, the cross section of the connecting column 25 at the position inside the inner cavity of the connecting cylinder 16 is larger than that of the connecting column 25 at the position of the end opening of the connecting cylinder 16, as shown in fig. 5. So set up, the spliced pole 25 is along transversely entering into the connecting cylinder 16 by the lateral wall opening of connecting cylinder 16 in back, when spliced pole 25 and connecting cylinder 16 along vertical relative motion, the great position of spliced pole 25 cross-section can be put in the connecting cylinder 16 by the card.
With this arrangement, when the transverse driving mechanism 11 drives the longitudinal driving mechanism 12 to move in the transverse direction, the first connecting portion and the second connecting portion can be connected or disconnected, and the battery 14 can be replaced without manual operation.
In the battery replacement device provided in this embodiment, the battery 14 is disposed at the lower position of the turntable 13, and the battery 14 can also function as a counterweight, which is further advantageous for lightweight design of the working machine.
Given that only battery 14 is used as the counterweight for the work machine, there may be situations where the counterweight is insufficient under certain operating conditions. In a further embodiment, a fixed counterweight 15 may also be provided on the body of the work machine, the fixed counterweight 15 being connected to the turntable 13. Specifically, bolt holes are formed in the corresponding positions of the fixed counterweight 15 and the rotary table 13, and the fixed counterweight 15 is connected with the rotary table 13 through bolts inserted into the bolt holes.
In some embodiments, the fixed weight 15 may be a rectangular parallelepiped structure. The fixed weight 15 may be attached to the lower surface of the turntable 13 by a bolt, a pin, or the like, i.e., the fixed weight 15 is located between the turntable 13 and the battery 14. In order to avoid the interference of the fixed counterweight 15 on the movement of the longitudinal driving mechanism 12, an avoiding groove 17 for avoiding the longitudinal driving mechanism 12 may be provided on the fixed counterweight 15, the first connecting portion at the lower end of the longitudinal driving mechanism 12 is connected with the second connecting portion of the battery 14 after passing through the avoiding groove 17, and the avoiding groove 17 needs to leave a space for the longitudinal driving mechanism 12 to move along the transverse direction.
In a further embodiment, the fixed weight 15 and the battery 14 are provided on their respective faces, one with a female quick-change connector end 18 and the other with a male quick-change connector end 23 adapted to the female quick-change connector end 18.
For example, a female quick-change connector end 18 can be provided on the lower end face of the fixed weight 15 and a male quick-change connector end 23 can be provided on the upper end face of the battery 14, the male quick-change connector end 23 of the battery 14 being able to be plugged into the female quick-change connector end 18 of the fixed weight 15 when the battery 14 is lifted by the longitudinal drive mechanism 12. The battery 14 provides electrical power to the work machine through the quick-change connector female end 18 and the quick-change connector male end 23.
In some embodiments, the transverse drive mechanism 11 comprises a first hydraulic cylinder, the cylinder base of which may be connected to a turntable 13 of the work machine, the longitudinal drive mechanism 12 being driven in transverse displacement by a piston rod of the first hydraulic cylinder.
Of course, in other embodiments, the transverse driving mechanism 11 may also be a linear driving mechanism such as an air cylinder, a motor, and an electric cylinder.
The vertical driving mechanism 12 may include a second hydraulic cylinder, a cylinder block of which may be connected to a rod end of the first hydraulic cylinder, and the second hydraulic cylinder may be reciprocally displaced in the lateral direction by the driving action of the first hydraulic cylinder.
In a further embodiment, the battery 14 includes a box 19, a battery cell 20, a water chiller 22 and a high voltage box 24, the battery cell 20, the water chiller 22 and the high voltage box 24 are all disposed in the box 19, and the water chiller 22 is used for cooling the battery.
Specifically, a fixing bracket 21 may be disposed inside the box 19, and the battery cell 20 may be fixed inside the box 19 by the fixing bracket 21. A water cooling unit 22 and a high-voltage box 24 are also mounted on the fixing support 21, and the water cooling unit 22 can provide circulating cooling liquid to cool the battery cell 20. The electrical components of the battery 14 may be disposed within the high voltage compartment 24. By such arrangement, the integration level of the battery 14 is improved, and the battery 14 is suitable for overall replacement.
The embodiment of the invention also provides the working machine which comprises a machine body and the battery replacing device arranged on the machine body, wherein the battery replacing device is any one of the battery replacing devices.
So set up, the operating machine that this embodiment provided, it is higher to change battery efficiency. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the battery swapping device, and is not described herein again.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A battery replacement method is characterized by comprising the following steps:
when a battery replacement instruction is received and a battery replacement condition is determined to be met, controlling the operation machinery to suspend and load the battery to a preset position; the preset position corresponds to a battery installation position, and the battery replacement condition at least comprises that the battery installation position of the working machine is in an empty state;
and when the battery is determined to be placed at the preset position, controlling a battery replacement mechanism of the working machine to mount the battery at the battery mounting position.
2. The battery replacement method according to claim 1, wherein the battery mounting position is provided at a lower end of a rotary table of a working machine, and the controlling the working machine to suspend the battery to a preset position comprises:
controlling a suspension arm of the operation machine to suspend the battery to the preset position;
and controlling the rotary table of the operation machine to rotate so that the battery mounting position is aligned with the preset position.
3. The battery replacement method according to claim 1, wherein the battery replacement condition further comprises that a vehicle-mounted charger is in a normal state, wherein the vehicle-mounted charger is used for supplying power to the battery and a motor of the working machine.
4. The battery replacement method according to claim 3, wherein the controlling the working machine to suspend the battery to a preset position comprises:
the vehicle-mounted charger supplies power to the motor, and after the motor is electrified, the hydraulic pump of the operation machine is driven to work, so that the hydraulic pump drives the hydraulic actuating mechanism of the operation machine to hoist the battery to a preset position.
5. The battery replacement method according to claim 1, wherein the controlling the work machine to suspend the battery to a preset position comprises:
starting an engine of the working machine, driving a hydraulic pump of the working machine to work through the engine, and enabling the hydraulic pump to drive a hydraulic actuating mechanism of the working machine to hoist the battery to a preset position.
6. The battery replacement method according to claim 1, wherein the controlling the work machine to suspend the battery to a preset position comprises:
starting a standby battery of the operation machine, supplying power to the motor through the standby battery, and driving a hydraulic pump of the operation machine to work after the motor is powered on so that the hydraulic pump drives a hydraulic actuating mechanism of the operation machine to hoist the battery to a preset position.
7. A battery swapping device is characterized by comprising:
the hoisting control module is used for controlling the operation machinery to hoist the battery to a preset position when the battery replacing instruction is received and the battery replacing condition is determined to be met; the preset position corresponds to a battery installation position, and the battery replacement condition at least comprises that the battery installation position of the working machine is in an empty state;
and the battery replacement control module is used for controlling a battery replacement mechanism of the working machine to mount the battery to the battery mounting position when the battery is determined to be placed at the preset position.
8. The battery swapping device of claim 7, wherein the battery swapping mechanism comprises:
the transverse driving mechanism is arranged on the machine body of the working machine;
the longitudinal driving mechanism is connected with the transverse driving mechanism, the transverse driving mechanism can drive the longitudinal driving mechanism to transversely displace, and a first connecting part is arranged at the end part of the longitudinal driving mechanism;
and the battery device is provided with a second connecting part, and when the transverse driving mechanism drives the longitudinal driving mechanism to transversely displace, the first connecting part can be connected with or disconnected from the second connecting part.
9. The battery swapping device of claim 8, wherein the lateral drive mechanism is disposed on a turntable of the work machine.
10. A working machine, characterized by comprising a machine body and a power exchanging device arranged on the machine body, wherein the power exchanging device is the power exchanging device as claimed in any one of claims 7 to 9.
CN202210191573.1A 2022-02-28 2022-02-28 Battery replacement method, battery replacement device and operation machine Pending CN114407720A (en)

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CN108890659A (en) * 2018-07-13 2018-11-27 北京工业大学 A kind of pipe gallery crusing robot
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CN211223674U (en) * 2019-12-02 2020-08-11 广东吕顺智能科技有限公司 AGV floor truck
CN113715680A (en) * 2021-09-13 2021-11-30 三一重机有限公司 Battery replacement control device and method and electric operation machine
CN215711576U (en) * 2021-07-23 2022-02-01 临工集团济南重机有限公司 Arm type aerial work platform

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102039876A (en) * 2009-10-20 2011-05-04 廖茂祥 Power battery rapidly changing and installing system and method for electric car
CN108890659A (en) * 2018-07-13 2018-11-27 北京工业大学 A kind of pipe gallery crusing robot
CN211139281U (en) * 2019-06-27 2020-07-31 博众精工科技股份有限公司 Quick plug-in type charging bin and power changing station
CN211223674U (en) * 2019-12-02 2020-08-11 广东吕顺智能科技有限公司 AGV floor truck
CN215711576U (en) * 2021-07-23 2022-02-01 临工集团济南重机有限公司 Arm type aerial work platform
CN113715680A (en) * 2021-09-13 2021-11-30 三一重机有限公司 Battery replacement control device and method and electric operation machine

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