Quick-change explosion-proof lithium battery device for monorail crane and monorail crane

Abstract

The utility model discloses a quick-change explosion-proof lithium battery device for a monorail crane and the monorail crane. The quick-change explosion-proof lithium battery device comprises a standard battery box group, a master control box and a hoisting frame, the general control box is specially matched with the storage battery power supply of the monorail crane for use, serves as a general control part of a plurality of battery boxes and is used for coordinating charge and discharge control of the storage battery power supply. Power supply and signal cables of the standard battery box, the charger and the electro-hydraulic control vehicle are all connected into the master control box in an anti-explosion quick connector mode, and the master control box is responsible for controlling power supply and cut-off of all the battery boxes, power supply and cut-off of all loads and power receiving and cut-off of the charger. According to the utility model, a method for quickly changing the power supply of the explosion-proof lithium battery is adopted, so that a user has the possibility of quickly changing the power supply and quickly putting into operation of the monorail crane in a mine chamber, the waiting time for long-time charging is saved, and the use efficiency of the monorail crane is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to lithium battery monorail cranes for mining, in particular to a quick-change flameproof lithium battery device for monorail cranes and the monorail crane. Background Art

[0002] The intelligent explosion-proof lithium battery monorail crane is a type of underground auxiliary transportation equipment for coal mines. It uses a lithium iron phosphate battery specifically designed for coal mines as its power source. This dual-circuit system supplies power to an explosion-proof variable-frequency motor with a planetary reducer, which in turn drives the friction wheels. It primarily consists of a cab, drive unit, electro-hydraulic control vehicle, lithium battery vehicle, and lifting beam. It overcomes the safety, efficiency, pollution, and maintenance challenges of diesel monorail cranes, becoming a safe, reliable, efficient, maintenance-friendly, and pollution-free underground auxiliary transportation device. It not only transports materials, personnel, and equipment, but also facilitates the lifting and hoisting of underground equipment.

[0003] Traditional explosion-proof lithium battery monorail cranes use ordinary explosion-proof connectors for all equipment input and output lines of the battery device. Disassembly of the battery system requires opening the explosion-proof box, which leads to problems such as multiple processes, high requirements, and complex disassembly. In addition, the conventional configuration has large battery capacity and long charging time, resulting in low vehicle utilization. A quick-change explosion-proof lithium battery device is needed to solve the above problems.

[0004] Chinese utility model application number CN2012204297973 discloses a lithium-ion battery-powered monorail crane, comprising a track and a hanging device, as well as a lithium-ion battery power box, a traction device, and a lifting device mounted thereon. The lithium-ion battery power box is connected to the traction device, which is in turn connected to the lifting device. The lifting device comprises a lithium-ion battery electric hoist, a load beam, and a loading vehicle. Two lithium-ion battery electric hoists are mounted at both ends of the load beam, and the load beam is mounted at both ends of the loading vehicle. Two loading vehicles are provided, mounted on the track and hanging device. This technical solution is a mobile, flexible, low-cost lithium-ion battery-powered monorail crane with a long transport distance, no sparks, and easy explosion-proof. However, this technical solution lacks a quick-change explosion-proof structure, making it impossible to quickly replace the monorail crane battery. Therefore, there is an urgent need to develop a quick-change explosion-proof lithium battery device for monorail crane locomotives. Utility Model Content

[0005] The purpose of the utility model is to provide a quick-change flameproof lithium battery device for a monorail crane locomotive and a monorail crane locomotive, in which the battery box group and the main control box are used as a power supply as a whole, and the power supply and communication lines connected to the outside are connected to the main control box through explosion-proof quick connectors, so that the battery device can be quickly connected or quickly disassembled, so as to solve the problems of the battery system proposed in the above background technology, such as multiple disassembly and assembly processes, high requirements, and complex disassembly and assembly, as well as the problem that the conventional configuration battery has a large capacity and a long charging time, resulting in low vehicle utilization.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a quick-change flameproof lithium battery power supply device for a monorail crane locomotive, which includes a standard battery box group, a main control box and a hoisting frame, and the individual boxes are all flameproof designed to meet explosion-proof requirements;

[0007] A quick-change flameproof lithium battery device for a monorail crane, comprising:

[0008] A battery box assembly, comprising one or more battery boxes;

[0009] A main control box, electrically connected to the battery box group;

[0010] A hanging frame, the battery box group is mounted on the hanging frame, and the hanging frame is mounted on the monorail locomotive track. Further preferably, the hanging frame is mounted on the monorail locomotive track through a pulley mechanism;

[0011] The main control box body is provided with a power supply explosion-proof quick connector, the power supply explosion-proof quick connector is provided with a mechanical locking mechanism, and a liquid cooling heat dissipation structure is provided in the power supply explosion-proof quick connector.

[0012] Further preferably, the liquid cooling and heat dissipation structure is provided with an internal flow channel for circulating water.

[0013] The main control box body is provided with a communication explosion-proof quick connector, and the communication explosion-proof quick connector is provided with a locking mechanism.

[0014] Further preferably, the standard battery box can be used independently as a battery, or 1 to 6 standard battery boxes can be configured and used in combination according to the actual power demand of the monorail crane locomotive.

[0015] Further preferably, a lithium battery is installed in the battery box, and an explosion-proof emergency stop button, a pressure relief valve, a manual circuit breaker and a display screen are provided on the battery box.

[0016] Further preferably, the battery box is provided with a battery box explosion-proof connector, and the master control box is provided with a master control box explosion-proof connector. One end of the battery power cable is electrically connected to the battery box via the battery box explosion-proof connector, and the other end of the battery power cable is electrically connected to the master control box via the master control box explosion-proof connector. One end of the signal cable is connected to the battery box via the battery box explosion-proof connector, and the other end of the signal cable is connected to the master control box via the master control box explosion-proof connector.

[0017] The master control box is specially designed for use with a mining flameproof lithium-ion battery power supply on a monorail crane locomotive. It serves as the master control part of multiple battery boxes and is used to coordinate the charge and discharge control of the battery power supply.

[0018] The power supply cables of the standard battery box, charger, and electro-hydraulic control vehicle are all connected to the "master control box", which is responsible for controlling the power supply and disconnection of all battery boxes, the power supply and disconnection of all loads, and the power supply and disconnection of the charger.

[0019] The main control box is equipped with a female power supply explosion-proof quick connector, which is connected to the male power supply connector of the charger and electro-hydraulic control vehicle. All power supply explosion-proof quick connectors are designed with a mechanical locking mechanism.

[0020] The power supply explosion-proof quick connector (female connector) is designed with a liquid cooling heat dissipation structure. Circulating water flows through the internal flow channel of the heat dissipation structure to remove the heat generated by excessive current in the connector, thereby solving the problems caused by the use of quick connectors and ensuring the safety of the application.

[0021] The master control box is equipped with a female explosion-proof quick connector for communication, which connects to the male explosion-proof quick connectors for signal connection cables such as the charger, weak wires for the electro-hydraulic control vehicle, and CAN communication cables. All explosion-proof quick connectors are equipped with a mechanical locking mechanism.

[0022] CAN communication is adopted between the master control box and the standard battery box. During the discharge and charging process of the power system, the energy management system of the master control box monitors the voltage, current, surface temperature, battery capacity and other parameters of all single cells. When a fault occurs in one of the battery boxes, the energy management system of the master control box automatically controls the disconnection to ensure safe and reliable operation.

[0023] The main control box is provided with an explosion-proof emergency stop button, which can be used to manually control the output of all battery boxes to be cut off.

[0024] Some explosion-proof quick connectors of the master control box, such as the charging explosion-proof quick connector, need to be installed with matching plugs when not in use to achieve the purpose of explosion-proof.

[0025] A monorail crane locomotive comprises the quick-change flameproof lithium battery device for the monorail crane locomotive and an electro-hydraulic control vehicle electrically connected to the quick-change flameproof lithium battery device for the monorail crane locomotive.

[0026] Compared with the prior art, the quick-change explosion-proof lithium battery power supply device of the present invention has the following beneficial effects:

[0027] This utility model combines a standard battery pack and a master control box as a single power source. External power and communication lines are connected to the master control box via explosion-proof quick connectors, enabling quick access and removal of the battery pack. This method allows users to quickly replace monorail crane batteries in a mine chamber. After quickly replacing the batteries, the monorail crane can resume operation.

[0028] According to the utility model, the disassembled battery power supply can be immediately charged in the chamber, so as to make full use of the idle time and prepare for replacement.

[0029] In the present invention, the master control box is specially designed for use with the battery power supply of the monorail crane locomotive. It serves as the master control part of multiple battery boxes and is used to coordinate the charge and discharge control of the battery power supply. The power supply and signal cables of the standard battery box, charger, and electro-hydraulic control vehicle are all connected to the master control box through explosion-proof quick connectors. The master control box is responsible for controlling the power supply and disconnection of all battery boxes, the power supply and disconnection of all loads, and the power supply and disconnection of the charger. During the discharge and charging process of the power supply system, the energy management system of the master control box monitors and automatically controls the voltage, current, surface temperature, battery capacity and other parameters of all single cells to ensure safe and reliable operation. The present invention uses a method of quick replacement of explosion-proof lithium battery power supply, which enables users to quickly replace power and quickly put the monorail crane locomotive into operation in a mine chamber, eliminating the long waiting time for charging and improving the utilization efficiency of the monorail crane locomotive. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 、 Figure 2 The utility model is a structural schematic diagram of a quick-change flameproof lithium battery power supply device for a monorail crane locomotive.

[0031] Figure 3 This is the side view of the main control box.

[0032] Figure 4 This is a schematic diagram of the power supply explosion-proof quick connector (female). DETAILED DESCRIPTION

[0033] The utility model provides the following technical solutions: a quick-change explosion-proof lithium battery device for monorail crane locomotive, such as Figure 1 、 Figure 2 As shown, it includes a standard battery box group 1, a main control box 2 and a hanging frame 3. The individual boxes are all flameproof and meet explosion-proof requirements.

[0034] The standard battery box 1 is equipped with an explosion-proof emergency stop button 4, a pressure relief valve 5, a manual circuit breaker 18, and a display screen 19. The battery power cable 10 is output through a standard explosion-proof connector 12 on the standard battery box 1 and connected to a standard explosion-proof connector 13 on the main control box 2. Similarly, its signal cable 11 is output through a standard explosion-proof connector 14 and connected to the main control box 2 via a standard explosion-proof connector 15.

[0035] The explosion-proof emergency stop button 4 of the standard battery box 1 is used to control the emergency shutdown of a single battery box.

[0036] The main control box 2 is provided with a power supply explosion-proof quick connector 6, a signal explosion-proof quick connector 7, a charging explosion-proof quick connector 8, a main control box explosion-proof emergency stop button 9 and ordinary explosion-proof connectors 13 and 15.

[0037] The main control box 2 is designed with six ordinary power supply explosion-proof connectors 13 and six ordinary signal explosion-proof connectors 15, so the number of battery boxes that can be connected is 1 to 6. If there are unused ordinary explosion-proof connectors, they need to be sealed with matching plugs to meet explosion-proof requirements.

[0038] The power supply explosion-proof quick connector 6 and the communication explosion-proof quick connector 7 are used to connect the corresponding cables of the electro-hydraulic control vehicle. The corresponding cables also use the matching explosion-proof quick connectors to achieve the purpose of quick connection between male and female connectors. Similarly, the charging explosion-proof quick connector 8 is used to connect the matching explosion-proof quick connector of the charger power supply cable.

[0039] Some explosion-proof quick connectors in the main control box, such as the charging explosion-proof quick connector 8, need to be installed with matching plugs when not in use to achieve the purpose of explosion-proof.

[0040] An explosion-proof emergency stop button 9 is provided on the main control box, which can be used to manually control and cut off the output of all battery boxes.

[0041] The battery box 1 and the main control box 2 are fixed to form a battery power supply as a whole through the frame structure of the hanging frame 3, which is fixed to the hanging beam 16 by fixing bolts 21. The hanging beam 16 is installed on the single track locomotive track 17 through the pulley mechanism 20.

[0042] like Figure 3 As shown, the power explosion-proof quick connector (female) 21 is designed with a liquid cooling structure 22. Circulating water through the internal flow channel 23 of the heat dissipation structure 22 removes heat generated by excessive current in the connector, thereby resolving problems associated with using quick connectors and ensuring application safety. All power explosion-proof quick connectors are designed with a mechanical locking mechanism 24.

[0043] like Figure 4 As shown, the water inlet 25 of the liquid cooling and heat dissipation structure 22 is connected to the circulating water pump, and the water outlet 26 is connected to the water outlet pipe, forming a circulating water system.

[0044] In the utility model, the master control box is specially used for the battery power supply of the monorail crane locomotive and serves as the master control part of multiple battery boxes for coordinating the charge and discharge control of the battery power supply.

Claims

1. A quick-change flameproof lithium battery device for a monorail crane, characterized in that: include: A battery box assembly, comprising one or more battery boxes; A main control box, electrically connected to the battery box group; A hanging frame, on which the battery box group is mounted, and the hanging frame is mounted on a monorail locomotive track; The main control box body is provided with a power supply explosion-proof quick connector, the power supply explosion-proof quick connector is provided with a mechanical locking mechanism, and a liquid cooling heat dissipation structure is provided in the power supply explosion-proof quick connector.

2. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: The liquid cooling and heat dissipation structure is provided with an internal flow channel for circulating water.

3. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: The main control box body is provided with a communication explosion-proof quick connector, and the communication explosion-proof quick connector is provided with a locking mechanism.

4. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: An emergency stop button is provided on the master control box.

5. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: The number of battery boxes is 1 to 6.

6. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: A lithium battery is installed in the battery box, and an explosion-proof emergency stop button, a pressure relief valve, a manual circuit breaker and a display screen are provided on the battery box.

7. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: The battery box is provided with a battery box explosion-proof connector, and the master control box is provided with a master control box explosion-proof connector.

8. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: One end of the battery power cable is electrically connected to the battery box through the battery box explosion-proof connector, and the other end of the battery power cable is electrically connected to the main control box through the main control box explosion-proof connector. One end of the signal cable is connected to the battery box through the battery box explosion-proof connector, and the other end of the signal cable is connected to the master control box through the master control box explosion-proof connector.

9. The quick-change flameproof lithium battery device for monorail crane according to claim 1, characterized in that: The hoisting frame is installed on the monorail locomotive track through a pulley mechanism.

10. A monorail crane locomotive, characterized in that: The invention comprises the quick-change flameproof lithium battery device for a monorail crane according to any one of claims 1 to 9 and an electro-hydraulic control vehicle electrically connected to the quick-change flameproof lithium battery device for a monorail crane.

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