CN-121989785-A - Mining electric crane transport vehicle

CN121989785ACN 121989785 ACN121989785 ACN 121989785ACN-121989785-A

Abstract

The invention relates to a mining electric crane transport vehicle, which comprises a vehicle head and a carriage, wherein the front end of the carriage is rotationally connected with the tail end of the vehicle head, a lifting device comprises a lifting arm, the bottom of the lifting arm is rotationally connected with the front end of the carriage, a hydraulic control system comprises an oil tank, a steering unit and a lifting unit, the steering unit is used for controlling the vehicle head to rotate, the lifting unit is used for controlling the rotation and lifting of the lifting arm, a control device is arranged on the vehicle body and used for controlling the operation of the hydraulic control system, an energy supply device is arranged on the vehicle head, the energy supply device comprises at least two battery boxes, a power supply control box and a charging module, the total positive connection of the two battery boxes is connected with a discharging total positive circuit of the power supply control box, the total negative connection of the two battery boxes is connected with a discharging total negative circuit of the power supply control box after the total negative connection, and any battery box is connected with the charging module, and the charging module is used for charging the battery boxes.

Inventors

ZHAO JUN
REN FEI
Liu Juanning
GUO AIJUN
Xu lianhang
XIAO FENG

Assignees

国能神东煤炭集团有限责任公司
中国神华能源股份有限公司神东煤炭分公司

Dates

Publication Date: 20260508
Application Date: 20260105

Claims (10)

1. An electric mining crane truck, comprising: The vehicle body comprises a vehicle head and a carriage, and the front end of the carriage is rotationally connected with the tail end of the vehicle head; the lifting device comprises a lifting arm, and the bottom of the lifting arm is rotationally connected with the front end of the carriage; The hydraulic control system comprises an oil tank, a steering unit and a lifting unit, wherein the steering unit is used for controlling the headstock to rotate, and the lifting unit is used for controlling the lifting arm to rotate and lift; The control device is arranged on the vehicle body and is used for controlling the operation of the hydraulic control system; The energy supply device is arranged on the vehicle head and comprises at least two battery boxes, a power supply control box and a charging module, wherein the total positive connection of the two battery boxes is connected with a discharging total positive circuit of the power supply control box, the total negative short connection of the two battery boxes is connected with a discharging total negative circuit of the power supply control box, the discharging total positive circuit and the discharging total negative circuit supply power for an electricity utilization component together, any battery box is connected with the charging module, and the charging module is used for charging the battery boxes.
2. The mining electric hoist transport vehicle of claim 1, characterized in that the energy supply device further comprises: a lock head, wherein any battery box is provided with the detachable lock head; the telescopic ends of the two replacement cylinders are respectively connected with the two locking heads, and the replacement cylinders are used for driving the locking heads to be connected with or disconnected from the battery box; the hydraulic control system further includes a battery replacement unit including: The locking valve is provided with a locking oil inlet and two locking oil outlets, the locking oil inlet is connected with the oil tank, the two locking oil outlets are respectively communicated with a rodless cavity and a rod cavity of the two replacement oil cylinders, and the locking valve is used for controlling the locking oil inlet to be communicated with any one of the locking oil outlets.
3. The mining electric hoist transport vehicle of claim 1, characterized in that the vehicle body further comprises: the first steering oil cylinder and the second steering oil cylinder are respectively positioned at two sides of the carriage, two ends of the first steering oil cylinder are respectively connected with the carriage and the headstock, and two ends of the second steering oil cylinder are respectively connected with the carriage and the headstock; the hydraulic control system further includes a steering unit including: The steering device is provided with a steering oil inlet, a first steering oil outlet and a second steering oil outlet, the steering oil inlet is connected with the oil tank, the first steering oil outlet is respectively communicated with a rodless cavity of the first steering oil cylinder and a rod cavity of the second steering oil cylinder, the second steering oil outlet is respectively communicated with the rod cavity of the first steering oil cylinder and the rodless cavity of the second steering oil cylinder, and the steering device is used for controlling the steering oil inlet to be communicated with the first steering oil outlet or the second steering oil outlet.
4. The mining electric hoist transport vehicle of claim 2, characterized in that the vehicle body is provided with a parking brake for preventing the transport vehicle from traveling; the hydraulic control system further includes a first brake unit including: The first manual pump is provided with a manual oil inlet and a manual oil outlet, and the manual oil inlet is connected with the oil tank; The ball valve is provided with a first ball valve oil inlet, a second ball valve oil inlet and a ball valve oil outlet, the first ball valve oil inlet is communicated with the manual oil outlet, the second ball valve oil inlet is connected with an oil tank, and the ball valve oil outlet is connected with the parking brake; When the first brake unit is in an automatic release state, the second ball valve oil inlet is communicated with the ball valve oil outlet, and when the first brake unit is in a manual release state, the first ball valve oil inlet is communicated with the ball valve oil outlet, and the manual oil inlet is communicated with the manual oil outlet.
5. The mining electric hoist transport vehicle of claim 4, characterized in that the vehicle body is further provided with a front-drive brake and a rear-drive brake for preventing front wheels and rear wheels of the vehicle body, respectively; The hydraulic control system further includes a second brake unit including: A first accumulator and a second accumulator; The double-path pilot pedal valve is provided with a first oil inlet, a second oil inlet, a first oil outlet, a second oil outlet and a control oil port, wherein the first oil inlet is connected with the first energy accumulator, the second oil inlet is connected with the second energy accumulator, the first oil outlet is connected with the front-drive brake, and the second oil outlet is connected with the rear-drive brake; The explosion-proof electrohydraulic proportional brake valve is provided with a brake oil inlet and a brake oil outlet, the brake oil inlet is connected with the second energy accumulator, the brake oil outlet is communicated with the control oil port, and when the explosion-proof electrohydraulic proportional brake valve is in an automatic emergency brake state, the brake oil inlet is communicated with the brake oil outlet.
6. The mining electric hoist transport vehicle of claim 5, characterized in that the hydraulic control system further comprises: the oil inlets of the second manual pump and the brake gear pump are connected with an oil tank; The double-loop liquid filling valve is provided with a first oil inlet, a second oil inlet, a first oil outlet, a second oil outlet and a third oil outlet, wherein the first oil inlet is connected with the oil outlet of the second manual pump, the second oil inlet is connected with the oil outlet of the brake gear pump, the first oil outlet is connected with the locking oil inlet, the second oil outlet is connected with the first accumulator, and the third oil outlet is connected with the oil inlet of the second ball valve and the manual oil inlet, and the double-loop liquid filling valve can respectively control the first oil inlet or the second oil inlet to be respectively communicated with the first oil outlet, the second oil outlet and the third oil outlet.
7. The mining electric hoist transport vehicle of claim 1, characterized in that the hoisting device further comprises: The rotary base is rotationally connected with the carriage, the lifting arm is arranged on the rotary base, the rotary base is provided with a rotary oil cylinder, and the rotary oil cylinder is used for driving the rotary base to rotate; the hoisting assembly is arranged at the tail end of the hoisting arm and is provided with a hoisting oil cylinder, and the hoisting oil cylinder is used for driving the hoisting assembly to perform hoisting action; The lifting arm is provided with a lifting oil cylinder and a telescopic oil cylinder, the lifting oil cylinder is used for controlling the lifting arm to lift, and the telescopic oil cylinder is used for controlling the lifting arm to stretch; The lifting unit includes: An enabling electromagnetic valve provided with an enabling oil inlet and an enabling oil outlet, the enabling oil inlet is connected with the oil tank; The lifting valve bank is provided with a lifting oil inlet and four lifting oil outlets, the lifting oil inlet is communicated with the enabling oil outlet, the four lifting oil outlets are respectively connected with the rotary oil cylinder, the lifting oil cylinder, the telescopic oil cylinder and the lifting oil cylinder, and the lifting valve bank can control the lifting oil inlet to be communicated with any lifting oil outlet.
8. The mining electric hoist transport vehicle of claim 1, wherein the vehicle body further includes a leg movably linked to the carriage, further comprising a self-locking assembly comprising: The control device is used for controlling the enabling electromagnetic valve to be electrified when the transport vehicle is in a parking state and the lifting enabling key is in a triggering state; The supporting leg detection piece is used for determining the state of the supporting leg, and the control device is also used for preventing the transport vehicle from running when the state of the supporting leg is determined to be an unretracted state.
9. The mining electric hoist transport vehicle of claim 8, characterized in that the self-locking assembly further comprises: The hoisting moment detection piece is arranged on the hoisting device; the transport vehicle further comprises an alarm device, wherein the control device is further used for controlling the alarm device to send alarm information when the detection data of the hoisting moment detection piece is overloaded, and the alarm information comprises sound signals and/or light signals.
10. The mining electric hoist transport vehicle of claim 1, further comprising: The display device, display device locates in the driver's cabin of locomotive, display device includes: The display control unit is used for receiving communication data and alarm information, controlling the voice module and the display to disclose the communication data and the alarm information according to the detection period according to display conditions, wherein the display conditions are that the number of the alarm information of the same grade type is one, and when the number of the alarm information of the same grade type is a plurality of alarm information, the alarm information is circularly disclosed.

Description

Mining electric crane transport vehicle Technical Field The application relates to the technical field of mining transport vehicles, in particular to a mining electric hoisting transport vehicle. Background The mining crane transport vehicle is used for loading and unloading cargoes, coal mine transportation and cargo hoisting and shifting, in the prior art, the mining crane transport vehicle is usually an explosion-proof diesel vehicle, diesel oil has the problems of high pollution, high oil consumption, high noise and low service life in the energy supply process, and meanwhile, the problems of three high and one low in the energy supply process cause air and noise pollution of a mine, and seriously influence the working environment of underground workers. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art or related art. The technical scheme of the application provides a mining electric crane transport vehicle, which comprises a vehicle body, a lifting device, a hydraulic control system, a control device and an energy supply device, wherein the vehicle body comprises a vehicle head and a carriage, the front end of the carriage is rotationally connected with the tail end of the vehicle head, the lifting device comprises a lifting arm, the bottom of the lifting arm is rotationally connected with the front end of the carriage, the hydraulic control system comprises an oil tank, a steering unit and a lifting unit, the steering unit is used for controlling the vehicle head to rotate, the lifting unit is used for controlling the rotation and lifting of the lifting arm, the control device is arranged on the vehicle body, the control device is used for controlling the operation of the hydraulic control system, the energy supply device is arranged on the vehicle head, the energy supply device comprises at least two battery boxes, a power supply control box and a charging module, the total positive and negative connection of the two battery boxes is connected with the discharging total negative circuit of the power supply control box, the discharging total positive circuit and the discharging total negative circuit are jointly used for supplying power for a power utilization part, and any battery box is connected with the charging module. In some technical schemes provided by the application, the energy supply device further comprises a lock head and two replacement cylinders, wherein any battery box is provided with a detachable lock head, the telescopic ends of the two replacement cylinders are respectively connected with the two lock heads, and the replacement cylinders are used for driving the lock heads to be connected with or disconnected from the battery box. The hydraulic control system also comprises a battery replacement unit, wherein the battery replacement unit comprises a locking valve, the locking valve is provided with a locking oil inlet and two locking oil outlets, the locking oil inlet is connected with the oil tank, and the two locking oil outlets are respectively communicated with the rodless cavity and the rod-containing cavity of the two replacement oil cylinders. The locking valve is used for controlling the locking oil inlet to be communicated with any locking oil outlet. In some technical schemes provided by the application, the vehicle body further comprises a first steering oil cylinder and a second steering oil cylinder, wherein the first steering oil cylinder and the second steering oil cylinder are respectively positioned at two sides of a carriage, two ends of the first steering oil cylinder are respectively connected with the carriage and the vehicle head, and two ends of the second steering oil cylinder are respectively connected with the carriage and the vehicle head. The hydraulic control system further comprises a steering unit, the steering unit comprises a steering gear, the steering gear is provided with a steering oil inlet, a first steering oil outlet and a second steering oil outlet, the steering oil inlet is connected with an oil tank, the first steering oil outlet is respectively communicated with a rodless cavity of the first steering oil cylinder and a rod cavity of the second steering oil cylinder, and the second steering oil outlet is respectively communicated with the rod cavity of the first steering oil cylinder and the rodless cavity of the second steering oil cylinder. The steering device is used for controlling the steering oil inlet to be communicated with the first steering oil outlet or the second steering oil outlet. In some technical solutions provided by the application, the vehicle body is provided with a parking brake for preventing the transport vehicle from running. The hydraulic control system further comprises a first braking unit, the first braking unit comprises a first manual pump and a ball valve, the first manual pump is provided with a manual oil inlet and a manual oil