WO2013044702A1 - Side dumper and control system thereof - Google Patents

Abstract

A side dumper and a control system thereof. The side dumper control system comprises hydraulic cylinders (1), air-driven hydraulic pumps (2) and air-controlled reversal valves (3). The hydraulic cylinder (1) comprises a cylinder body, the cylinder body is provided with a piston therein, and the piston divides the cylinder body into a first cavity and a second cavity. The number of the hydraulic cylinders (1) is four, every two of which form one group, and the two groups of the hydraulic cylinders (1) are respectively disposed on two sides of the side dumper. The air-driven hydraulic pump (2) is provided with an air inlet, a liquid inlet and a liquid outlet, the air inlet is communicated with a pressure air source, and the liquid inlet is communicated with a pressure liquid source (9). The air-controlled reversal valves (3) are connected between the air-driven hydraulic pumps (2) and the hydraulic cylinders (1). The number of the air-controlled reversal valves (3) is two, and the two hydraulic cylinders on each side of the side dumper are communicated with one air-controlled reversal valve (3). The side dumper comprises a carriage (10), and further comprises the side dumper control system. In the side dumper and the control system thereof, the hydraulic cylinders (1), the air-driven hydraulic pumps (2) and the air-controlled reversal valves (3) are disposed to improve the safety and stability of the side dumper.

Description

 Rollover truck and its control system

TECHNICAL FIELD The present invention relates to rollover driving technology, and more particularly to a rollover and control system therefor. Background technique

 At present, there are two main ways of driving the railway side-turning vehicle. One is to use the locomotive pressure source to drive the cylinder to realize the rollover to realize the unloading operation; the other is to drive the motor with the ground power source or the diesel generator set to drive the hydraulic pump. A pressurized oil source is provided, and then the side dump is unloaded by the expansion and contraction of the hydraulic cylinder. The air compressor provided by the locomotive engine provides the pressure air source, drives the cylinder to expand and contract, realizes the vehicle side dumping and unloading, and can effectively utilize the wind source. However, the control system has the following disadvantages in the application process: the smoothness of the action is poor, often occurs Buckling phenomenon; The air cylinder is bulky, and there are cylinder-driven rollovers. The pressure air is usually about 600Kpa, and the cylinder diameter is about 800mm. Poor controllability, pneumatic expansion and contraction, the speed of the air cylinder can not be controlled, often occurs slowly. The subsequent movement is usually AC220V or AC380V. Due to the introduction of high-voltage power supply, the safety requirements are higher, and it is not easy to adopt for anti-riot situations. SUMMARY OF THE INVENTION The present invention provides a rollover and control system thereof to improve the safety and stability of a rollover. The invention provides a rollover control system, comprising:

 a hydraulic cylinder including a cylinder having a piston therein, the piston dividing the cylinder into a first cavity and a second cavity, the number of the hydraulic cylinders being four, the hydraulic cylinder Two sets are respectively arranged on both sides of the rollover;

a pneumatic hydraulic pump, wherein the pneumatic hydraulic device is provided with a gas inlet, a liquid inlet and a liquid outlet, the gas inlet is connected to a pressure gas source, and the liquid inlet is connected to a pressure liquid source, and the gas liquid passes through the Liquid outlet discharge; a pneumatically controlled reversing valve is connected between the pneumatic hydraulic pump and the hydraulic cylinder, the number of the pneumatically controlled reversing valves is two, and the two hydraulic cylinders on one side of the side turning vehicle are respectively The pneumatically controlled reversing valve is in communication with the pneumatically controlled reversing valve for supplying the liquid discharged from the liquid outlet of the pneumatic hydraulic pump to the first cavity or the second cavity of the hydraulic cylinder And returning the liquid discharged from the second cavity or the first cavity to the pressure liquid source to drive the piston of the hydraulic cylinder to reciprocate.

 The rollover control system as described above further includes:

 The double balancing valve has four number of double balancing valves which are respectively disposed on the outer wall of the hydraulic cylinder.

 The rollover control system as described above further includes:

 The one-way throttle valve has two one-way throttle valves, and is disposed between the gas-operated reversing valve and the double-balance valve, respectively.

 The rollover control system as described above further includes:

 a gas source processor, wherein the gas source processor is provided with a gas source inlet and a gas source outlet, wherein the gas source processor is provided with a filtering device and a pressure regulating device, and the gas source inlet is connected to the pressure gas source And connected to the filtering device, the gas source outlet is disposed on the pressure regulating device, and the gas source outlet is in communication with a gas inlet of the pneumatic hydraulic pump.

 The rollover control system as described above further includes:

 A wind control box is connected between the pressure gas source and a gas source inlet of the gas source processor.

 The present invention provides a rollover truck, including a passenger compartment, and a rollover control system provided by the present invention;

 The four hydraulic cylinders of the rollover control system are disposed on both sides of the carriage, and the carriage is turned over under the driving of the hydraulic cylinder.

It can be seen from the above technical solution that the present invention provides a rollover and a control system thereof, which are configured by a pneumatically driven hydraulic pump, a pneumatically controlled hydraulic valve, and a pneumatically controlled directional control valve. Under control, the liquid-driven hydraulic cylinder is controlled to expand and contract, so as to realize the side-turning dumping action, avoiding the direct driving of the cylinder through the gas, the stability of the gas due to the poor controllability of the volume can not be controlled, and the direct driving through the liquid is avoided. The safety problem caused by the introduction of high-voltage power supply improves the safety and stability of the rollover. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic structural diagram of a rollover control system according to an embodiment of the present invention;

 2 is a schematic diagram of a side roll mechanism according to an embodiment of the present invention;

 FIG. 3 is a schematic diagram of a rollover structure of a side roll according to an embodiment of the present invention. The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the embodiments of the present invention. It is to be noted that in the drawings or the description, the same reference numerals are used for the same or the same elements.

1 is a schematic structural view of a rollover control system according to an embodiment of the present invention. As shown in FIG. 1, the rollover control system includes a hydraulic cylinder 1, a pneumatic hydraulic pump 2, and a pneumatically controlled reversing valve 3. The hydraulic cylinder 1 includes a cylinder body. The cylinder body is provided with a piston. The piston divides the cylinder body into a first cavity and a second cavity. The number of the hydraulic cylinders 1 is four, and the hydraulic cylinders are respectively set in the side rollover. On both sides. The pneumatic hydraulic pump 2 is provided with a gas inlet, a liquid inlet and a liquid outlet, the gas inlet is connected with the pressure gas source, the liquid inlet is connected with the pressure liquid source 9, and the pneumatic hydraulic pump 2 is used for the gas supplied from the pressure gas source. Next, the liquid supplied from the pressure liquid source 9 is discharged through the liquid outlet. The locomotive is provided with an air compressor to provide a pressure gas source, and the gas generated by the pressure gas source is output through the side door duct 4 and the brake duct 5. The pneumatically controlled reversing valve 3 is connected between the pneumatic hydraulic pump 2 and the hydraulic cylinder 1, the number of the pneumatically controlled reversing valve 3 is two, and the two hydraulic cylinders 1 on the side of the side turning vehicle are respectively associated with a pneumatically controlled reversing valve 3 In connection, the pneumatically controlled directional control valve 3 is configured to supply the liquid discharged from the liquid outlet of the pneumatic hydraulic pump 2 to the first cavity or the second cavity of the hydraulic cylinder 1, and discharge the second cavity or the first cavity The liquid is returned to the pressurized fluid source 9 to drive the piston of the hydraulic cylinder 1 to reciprocate. Specifically, the pneumatic control valve 3 may specifically be a three-position four-way directional control valve of the first port, the second port, the third port and the fourth port, and the first port and the pneumatic hydraulic pump 2 The liquid outlet is in communication, the second port is in communication with the pressure fluid source 9, the third port is in communication with the first cavity of the hydraulic cylinder 1, and the fourth port is in communication with the second cavity of the hydraulic cylinder 1, The first passage formed between the first port and the third port, the second passage formed between the second port and the fourth port, and the first port formed between the first port and the fourth port The three passages, and the fourth passage formed between the second opening and the third opening, and the pneumatically controlled directional control valve 3 can realize the switching of the four passages under the control of the gas. The gas source of the pneumatically controlled directional control valve 3 can specifically share the same pressure gas source with the pneumatic hydraulic pump 2, and the electromagnetic pressure can also be set in the rollover control system. The reversing valve and the manual reversing valve are used to control the operation of the pneumatic reversing valve 3. Through the setting of the manual reversing valve, the interlock function of the remote control and the manual operation can be realized, thereby effectively preventing the misoperation.

 The working process of the rollover control system may specifically be: The pneumatic hydraulic pump 2 pumps the liquid under the action of the gas of the pressure gas source, and pumps the liquid provided by the pressure liquid source 9. Specifically, the pressure liquid source 9 may be a fuel tank. The hydraulic cylinder 1 can also be a double-acting hydraulic cylinder, which uses oil as a liquid driving medium and has corrosion resistance. Under gas control, the first passage and the second passage are open, the third passage and the fourth passage are closed, and the liquid provided by the pneumatic hydraulic pump 2 enters the first cavity through the first passage, and pushes the piston toward the second cavity. In the directional movement, the liquid pushing the second chamber is discharged to the pressure liquid source 9 through the second passage to complete the unloading. When the gas control is reversed, the first passage and the second passage are closed, the third passage and the fourth passage are turned on, and the liquid provided by the pneumatic hydraulic pump 2 enters the second cavity through the third passage, pushing the piston toward the first chamber The direction of movement of the body pushes the liquid of the first cavity to the pressure liquid source 9 through the fourth passage to complete the unloading, and also realizes the recycling of the liquid supplied by the pressure liquid source 9.

 Since the four hydraulic cylinders 1 are disposed on both sides of the rollover, and the hydraulic cylinder 1 on the same side is controlled by a pneumatically controlled directional control valve 3, the first cavity of the two hydraulic cylinders 1 on one side can be realized. Into the liquid, the second chamber drains, and the piston is extended outward, and at the same time, the first cavity of the two hydraulic cylinders 1 on the other side is drained, and the second cavity is filled, so that the piston is inwardly retracted. The tipping action of the rollover car. It is also possible to control two hydraulic cylinders 1 on both sides of the front end through one pneumatically controlled reversing valve 3, and the other pneumatically controlled reversing valve 3 controls two hydraulic cylinders 1 on both sides of the rear end to realize the dumping action in the front and rear direction of the rollover .

 The rollover control system provided by the embodiment drives the pneumatic hydraulic pump 2 through the gas, thereby avoiding the hazard caused by the introduction of the high-voltage power source and improving the safety of the rollover. Moreover, the hydraulic medium is used as the driving medium of the hydraulic cylinder 1, and the controllability is strong, which improves the stability of the working of the hydraulic cylinder 1, thereby improving the stability of the rollover. And through the setting of the air-controlled reversing valve 3, the air-operated reversing valve 3 can be operated remotely, realizing long-distance operation, avoiding dust intrusion, ensuring the personal safety of the operator, and further improving the safety of the rollover.

In the present embodiment, the rollover control system may further include a double balance valve 6, and the number of the double balance valves 6 is four, which are respectively disposed on the outer wall of the hydraulic cylinder 1. Specifically, the double balancing valve 6 is fixed to the cylinder of the hydraulic cylinder 1, and the double balancing valve 6 and the corresponding interface of the hydraulic cylinder 1 are connected by a hose. The double balancing valve 6 can also function as a safety lock for the telescopic position and speed of the hydraulic cylinder 1. The control role. The double balance valve is improved by the setting of the double balance valve 6 to improve the stability of the rollover operation, avoiding the lower side rollover and the resetting action of the car, and improving the stability of the rollover.

 In the present embodiment, the rollover control system may further include a one-way throttle valve 7, and the number of the one-way throttle valves 7 is two, which are respectively disposed between the air-controlled reversing valve 3 and the double balance valve 6. The flow rate of the liquid can be controlled by the setting of the one-way throttle valve 7 to keep the liquid flow rate smooth, avoid the buckle phenomenon, and improve the stability of the rollover control system.

 In this embodiment, the rollover control system may further include a gas source processor, the gas source processor is provided with a gas source inlet and a gas source outlet, and the gas source processor is provided with a filtering device and a pressure regulating device 8, the gas source The inlet is in communication with a source of pressurized gas and is coupled to a filtration device, the outlet of the gas source being disposed on the pressure regulating device 8, the outlet of the gas source being in communication with the gas inlet of the pneumatic hydraulic pump 2. The pressure regulating device 8 may specifically be a pressure reducing valve, and the pressure of the gas may be specifically set by actual needs, and the gas supplied by the gas source is filtered and regulated by the gas source processor, thereby improving the stability of the gas source and the pneumatics. The adaptability of the hydraulic pump 2.

 In this embodiment, the rollover control system may further include a wind control box connected between the pressure source and the air source inlet of the air source processor. Through the setting of the wind control box, the gas of the pressure gas source can be initially controlled.

 FIG. 2 is a schematic diagram of a side roll mechanism according to an embodiment of the present invention. As shown in Fig. 2, the rollover of the present embodiment includes a compartment 10, and further includes a rollover control system provided by any embodiment of the present invention. The four hydraulic cylinders 1 of the rollover control system are disposed on both sides of the compartment 10, and the carriage 10 is turned over under the driving of the hydraulic cylinder 1. A schematic view of the car 10 being turned over under the driving of the hydraulic cylinder 1 is shown in Fig. 3. Specifically, when the car 10 is turned over, the angle between the car 10 and the plane of the track 1 1 may be 45 degrees.

 Specifically, the rollover is also provided with an electrical system, and the electrical system supplies power to the electromagnetic commutator and other electrical equipment, and provides a low voltage power supply for the remote control. The electrical system may specifically include a solar battery board, a battery, an isolating switch, an in-vehicle charging device, a pressure relay, and the like. The solar panel absorbs light energy and converts it into electrical energy for charging the battery. Powered by solar energy, it can effectively use natural energy, save energy and protect the environment.

 In this embodiment, an electric control system is further disposed on the rollover to realize charging control of the battery and remote control of the contra-turning control system.

In the actual side rollover operation, if the vehicle wind pressure meets the technical requirements, When the on-board switch is switched to the ON state, and the power indicator is lit green, the remote control key switch is switched to the ON state, and a short beep is heard (proving the remote control battery voltage) After normal or the battery is installed correctly, select the car number selection button on the lower side to the number of the car to be operated, for example 174. You can work by pressing the flat plate on the upper side of the remote control.

 The side rollover operation is divided into two working modes:

 First, single door operation. After completing the above operation, press the door button (press and hold) that needs to be turned on/off, and the corresponding door can be opened or closed.

 Second, linkage operation. After completing the above operation, switch the A&B or C&D switch to the A&B side, press A&B up, the vehicle A side starts to flip, press A&B down, and the vehicle A side starts to reset. Switch the A&B or C&D switch to the C&D side, press C&D up, the B side of the vehicle starts to flip, press C&D down, and the vehicle B side starts to reset.

 The rollover provided by this embodiment avoids the hazard caused by the introduction of the high-voltage power supply by the setting of the pneumatic hydraulic pump, improves the safety of the rollover, and can effectively utilize the pressure gas source set on the rollover to avoid the energy. Waste. Through the setting of the air-controlled reversing valve, the reversing valve can be controlled at a long distance to realize the telescopic control of the double-acting hydraulic cylinder and improve the safety and stability of the side-turning vehicle.

 The rollover truck and the control system thereof provided by the embodiments of the present invention are pumped by a pneumatically driven pneumatic hydraulic pump through a pneumatic hydraulic pump, a pneumatically controlled reversing valve and a hydraulic cylinder, and then under the control of a pneumatically controlled reversing valve. The liquid-driven hydraulic cylinder is controlled to expand and contract to realize the dumping action of the side-turning vehicle, and the direct driving of the cylinder by the gas is avoided, and the stability caused by the poor controllability of the volume of the gas cannot be controlled, and the direct driving through the liquid is avoided, The safety problem caused by the high voltage power supply improves the safety and stability of the rollover.

The invention provides a rollover truck and a control system thereof, a rollover truck hydraulic system, an electrical system, an air control system, a remote control system and a mechanical transmission. The hydraulic system includes a pneumatic hydraulic pump, a balancing valve, a double-acting two-stage hydraulic cylinder, a one-way throttle valve, and the like. The hydraulic cylinder includes a piston rod, a first guide sleeve, a second guide sleeve, a first-stage cylinder and a two-stage cylinder. The number of hydraulic cylinders is four, and two hydraulic cylinders are arranged on both sides of the vehicle, and the hydraulic cylinder is disposed at Sideways of the rollover; electrical systems include solar panels, batteries, disconnectors, on-board chargers, and pressure relays. The solar panel absorbs light energy and converts it into electrical energy for charging the battery. The electrical system is the supporting device for the remote control system of the car. Control the electromagnetic reversing valve of the wind control system by remote control to perform different actions; the air control system is the same The car's power source is also the core actuator of the car. Through the action of different pneumatic components, the required flow rate and pressure are achieved. In order to prevent the failure of the solar panel or remote control system, the vehicle also has manual operation; the remote control system mainly includes a transmitter and a receiver. The remote control system allows remote control to avoid personal safety. The remote control can have a 3-digit car number setting function, and a remote control can control up to 999 cars to operate independently, which improves the convenience of vehicle control.

 It should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced by the equivalents. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

Claim 1. A rollover control system, characterized in that it comprises:  a hydraulic cylinder including a cylinder having a piston therein, the piston dividing the cylinder into a first cavity and a second cavity, the number of the hydraulic cylinders being four, the hydraulic cylinder Two sets are respectively arranged on both sides of the rollover;  a pneumatic hydraulic pump, wherein the pneumatic hydraulic pump is provided with a gas inlet, a liquid inlet and a liquid outlet, the gas inlet is connected to a pressure gas source, and the liquid inlet is connected to a pressure liquid source, and the gas liquid passes through the Liquid outlet discharge;  a pneumatically controlled reversing valve is connected between the pneumatic hydraulic pump and the hydraulic cylinder, the number of the pneumatically controlled reversing valves is two, and the two hydraulic cylinders on one side of the side turning vehicle are respectively The pneumatically controlled reversing valve is in communication with the pneumatically controlled reversing valve for supplying the liquid discharged from the liquid outlet of the pneumatic hydraulic pump to the first cavity or the second cavity of the hydraulic cylinder And returning the liquid discharged from the second cavity or the first cavity to the pressure liquid source to drive the piston of the hydraulic cylinder to reciprocate.  2. The rollover control system according to claim 1, further comprising: a double balance valve, the number of the double balance valves being four, respectively disposed on an outer wall of the hydraulic cylinder.  3. The rollover control system according to claim 2, further comprising: a one-way throttle valve, the number of the one-way throttle valves being two, respectively disposed on the pneumatic control valve Between the double balance valve and the double balance valve.  The rollover control system according to any one of claims 1 to 3, further comprising: a gas source processor, wherein the gas source processor is provided with a gas source inlet and a gas source outlet, the gas a filter device and a pressure regulating device are disposed in the source processor, the gas source inlet is in communication with the pressure gas source and is connected to the filter device, and the gas source outlet is disposed on the pressure regulating device, the gas A source outlet is in communication with a gas inlet of the pneumatic hydraulic pump.  5. The rollover control system according to claim 4, further comprising: a wind control box connected between the pressure gas source and a gas source inlet of the gas source processor.  6. A rollover truck, comprising a passenger compartment, characterized by: further comprising a rollover control system according to any of claims 1-5;  The four hydraulic cylinders of the rollover control system are disposed on both sides of the carriage, and the carriage is turned over under the driving of the hydraulic cylinder.