A conveyor belt unloading control system for vehicles

Abstract

The invention discloses a conveyor belt unloading control system for vehicles, which is characterized in that it includes an integrated solenoid valve, an integrated controller, a first sensor, a second sensor, a third sensor, a fourth sensor, a fifth sensor, a sixth sensor, a hydraulic motor, a hydraulic cylinder, a front plate, a rear plate, a top cover and a remote control; the first sensor, the second sensor and the forward button control the forward rotation of the hydraulic motor; the third sensor, the fourth sensor and the reverse button control the reverse rotation of the hydraulic motor; the fifth sensor, the forward button and the door opening button control the forward rotation of the hydraulic motor and the opening of the rear plate; the sixth sensor, the cover opening button and the cover closing button control the opening and closing of the top cover; by replacing traditional manual operation, not only the unloading efficiency is greatly improved, but also the safety during work is fully guaranteed, so that the vehicle can be operated safely and efficiently.

Description

Technical Field

[0001] The invention relates to the technical field of vehicles used in logistics, engineering and sanitation, and in particular to a conveyor belt unloading control system for vehicles. Background Art

[0002] At present, urban slag trucks, engineering dump trucks and dump semi-trailer transport trucks generally use the front oil cylinder to lift the car body to unload. This method has low unloading efficiency and is very easy to roll over when unloading on uneven roads, which is very dangerous. In order to solve this problem, conveyor belt unloading vehicles came into being, which greatly reduces the chance of rollover when unloading. However, conveyor belt unloading vehicles currently use manual operation control, which requires high operating skills of the driver and has low operating efficiency. In addition, mechanical parts such as the front plate, rear plate and conveyor belt of the vehicle are often damaged due to misoperation, which greatly affects the loading, unloading and operating efficiency of the vehicle. Summary of the invention

[0003] The object of the present invention is to overcome the shortcomings of the above-mentioned prior art and to provide a vehicle conveyor belt unloading control system for realizing conveyor belt unloading.

[0004] The technical solution provided by the present invention is: a conveyor belt unloading control system for vehicles, which is special in that it includes an integrated solenoid valve, an integrated controller, a first sensor, a second sensor, a third sensor, a fourth sensor, a fifth sensor, a sixth sensor, a hydraulic motor, a hydraulic cylinder, a front plate, a rear plate, a top cover and a remote controller;

[0005] The integrated solenoid valve includes DT1, DT2, DT3, DT4, DT5, DT6, DT7 circuits and three solenoid reversing valves controlled by the circuits; the control circuits are operated by a remote controller to respectively execute the reversing actions of the three solenoid reversing valves, thereby realizing the actions of the external hydraulic motor and hydraulic cylinder, and further realizing the actions of the front plate, rear plate and top cover of the vehicle; the hydraulic motor and hydraulic cylinder are connected to the hydraulic pipeline of the integrated solenoid valve, the hydraulic motor is mechanically connected to the conveyor belt through the reducer roller, the conveyor belt is mechanically connected to the front plate, and the hydraulic cylinder is mechanically connected to the rear plate and the top cover;

[0006] The integrated controller includes 6 direct input signals, 7 external input signals and 7 external output signals;

[0007] The 6-way direct input signal: cover open, cover closed, forward, reverse, door open, door closed, is realized by buttons and wireless remote controller, and the buttons are located on the integrated controller panel;

[0008] The 7-way external input signal: connected to the left rear position, right rear position, left front position, right front position, door open position, safety position, door closed position through the wiring terminal, the negative pole of the input signal wiring shares the VCC-input common terminal;

[0009] The 7-way external output signal: output cover open, cover closed, forward, reverse, door open, door closed, system pressure start through the wiring terminal, the output signal wiring negative pole shares the power supply negative - output common terminal;

[0010] The first sensor, the second sensor and the forward button control the on and off of the DT1 and DT6 circuits of the integrated solenoid valve;

[0011] The third sensor, the fourth sensor and the reverse button control the on and off of the DT1 and DT7 circuits of the integrated solenoid valve;

[0012] The fifth sensor, the forward button and the door opening button control the on and off of the DT1, DT6 and DT2 circuits of the integrated solenoid valve;

[0013] The sixth sensor, cover opening button, and cover closing button control the on and off of the DT1, DT4, and DT5 circuits of the integrated solenoid valve;

[0014] The door closing button controls the on and off of the DT1 and DT3 circuits of the integrated solenoid valve.

[0015] Preferably, the first sensor, the second sensor, the third sensor and the fourth sensor are magnetic normally open proximity sensors; the fifth sensor and the sixth sensor are integrated together and are normally open and normally closed composite mechanical sensors respectively.

[0016] Preferably, the first sensor is connected to the left rear position of the integrated controller, the second sensor is connected to the right rear position of the integrated controller, the third sensor is connected to the left front position of the integrated controller, the fourth sensor is connected to the right front position of the integrated controller, the fifth sensor is connected to the door open position and the safety position of the integrated controller, and the sixth sensor is connected to the door closed position of the integrated controller.

[0017] Preferably, the cover opening of the integrated controller is connected to DT4 of the integrated solenoid valve, the cover closing of the integrated controller is connected to DT5 of the integrated solenoid valve, the forward rotation of the integrated controller is connected to DT6 of the integrated solenoid valve, the reverse rotation of the integrated controller is connected to DT7 of the integrated solenoid valve, the door opening of the integrated controller is connected to DT2 of the integrated solenoid valve, and the door closing of the integrated controller is connected to DT3 of the integrated solenoid valve.

[0018] A conveyor belt unloading control system for vehicles of the present invention controls the circuits of conveyor belt vehicle sensors and integrated solenoid valves, so that each hydraulic component performs related actions, and realizes the execution of each action of the vehicle and automatic stop; the details are as follows:

[0019] 1. Control the rear panel of the vehicle to open to a certain height and then stop automatically;

[0020] 2. To ensure safety, the vehicle rear panel must be opened to a certain height before unloading can be performed;

[0021] 3. To eliminate mechanical failures caused by interference between the upper cover and the rear door due to misoperation, the upper cover opening or closing operation can only be performed after the rear door of the vehicle is closed;

[0022] 4. Control the vehicle to automatically stop after the front plate of the heavy-load unloading vehicle moves to the rear end;

[0023] 5. Control the vehicle to return empty and the front plate will automatically stop after it moves to the front end;

[0024] 6. Remote control or controller button operation to control the vehicle cover opening, cover closing, motor forward unloading, motor reverse return, rear door opening and rear door closing.

[0025] The beneficial effects of the present invention are as follows: 1. The control system of the present invention is used to control the circuits of the conveyor belt vehicle sensors and the integrated solenoid valves, so that each hydraulic component performs related actions, thereby realizing the execution of each action of the vehicle and automatic stopping; 2. The control system replaces the traditional manual operation, which not only greatly improves the unloading efficiency, but also fully guarantees the safety during work, so that the vehicle can be operated safely and efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present invention.

[0027] In the figure: A integrated solenoid valve, B integrated controller, 101 first sensor, 102 second sensor, 103 third sensor, 104 fourth sensor, 105 fifth sensor, 106 sixth sensor, 11 left rear position, 12 right rear position, 13 left front position, 14 right front position, 15 door open position, 16 safety position, 17 door closed position, 18 VCC- input common terminal, 21 cover open, 22 cover closed, 23 forward rotation, 24 reverse rotation, 25 door open, 26 door closed, 27 system pressure start, 28 power supply negative- output common terminal. DETAILED DESCRIPTION

[0028] For better understanding and implementation, specific implementation modes are given below in conjunction with the accompanying drawings to illustrate the present invention in detail.

[0029] When describing the embodiments of the present invention, the orientation or positional relationship expressed is based on the orientation or positional relationship shown in the relevant drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms cannot be understood as limiting the present invention.

[0030] like Figure 1As shown, a conveyor belt unloading control system for a vehicle includes an integrated solenoid valve A, an integrated controller B, a first sensor 101, a second sensor 102, a third sensor 103, a fourth sensor 104, a fifth sensor 105, a sixth sensor 106, a hydraulic motor, a hydraulic cylinder, a front plate, a rear plate, a top cover and a remote controller;

[0031] The integrated solenoid valve A includes DT1, DT2, DT3, DT4, DT5, DT6, DT7 circuits and three solenoid reversing valves controlled by the circuits; the control circuits are operated by a remote controller to respectively execute the reversing actions of the three solenoid reversing valves, thereby realizing the actions of the external hydraulic motor and hydraulic cylinder, and further realizing the actions of the front plate, rear plate and top cover of the vehicle; the hydraulic motor and the hydraulic cylinder are connected to the hydraulic pipeline of the integrated solenoid valve A, the hydraulic motor is mechanically connected to the conveyor belt through the reducer roller, the conveyor belt is mechanically connected to the front plate, and the hydraulic cylinder is mechanically connected to the rear plate and the top cover;

[0032] The integrated controller B includes 6 direct input signals, 7 external input signals and 7 external output signals;

[0033] 6 direct input signals: cover open 21, cover closed 22, forward 23, reverse 24, door open 25, door closed 26, realized by buttons and wireless remote control, the buttons are located on the B panel of the integrated controller;

[0034] 7-way external input signal: connected to the left rear position 11, right rear position 12, left front position 13, right front position 14, door open position 15, safety position 16, door closed position 17 through the wiring terminal, the negative pole of the input signal wiring shares the VCC- input common terminal 18;

[0035] 7-way external output signal: output through the wiring terminal cover open 21, cover closed 22, forward 23, reverse 24, door open 25, door closed 26, system pressure start 27, the output signal wiring negative pole shares the power supply negative - output common terminal 28;

[0036] The first sensor 101, the second sensor 102, the third sensor 103, and the fourth sensor 104 are magnetic normally open proximity sensors; the fifth sensor 105 and the sixth sensor 106 are integrated together, and are respectively normally open and normally closed composite mechanical sensors;

[0037] The first sensor 101 is connected to the left rear position 11 of the integrated controller B, the second sensor 102 is connected to the right rear position 12 of the integrated controller B, the third sensor 103 is connected to the left front position 13 of the integrated controller B, the fourth sensor 104 is connected to the right front position 14 of the integrated controller B, the fifth sensor 105 is connected to the door open position 15 and the safety position 16 of the integrated controller B, and the sixth sensor 106 is connected to the door closed position 17 of the integrated controller B;

[0038] Connect the cover open terminal 21 of the integrated controller B to DT4 of the integrated solenoid valve A, connect the cover close terminal 22 of the integrated controller B to DT5 of the integrated solenoid valve A, connect the forward rotation terminal 23 of the integrated controller B to DT6 of the integrated solenoid valve A, connect the reverse rotation terminal 24 of the integrated controller B to DT7 of the integrated solenoid valve A, connect the door open terminal 25 of the integrated controller B to DT2 of the integrated solenoid valve A, and connect the door close terminal 26 of the integrated controller B to DT3 of the integrated solenoid valve A;

[0039] The first sensor 101, the second sensor 102 and the forward rotation button 23 are used to control the on and off of the DT1 and DT6 circuits of the integrated solenoid valve A;

[0040] The third sensor 103, the fourth sensor 104 and the reverse 24 button are used to control the on and off of the DT1 and DT7 circuits of the integrated solenoid valve A;

[0041] The fifth sensor 105, the forward rotation 23 button and the door opening 25 button are used to control the on and off of the DT1, DT6 and DT2 circuits of the integrated solenoid valve A;

[0042] The sixth sensor 106, the cover open 21 button, and the cover close 22 button are used to control the on and off of the DT1, DT4, and DT5 circuits of the integrated solenoid valve A;

[0043] The door closing button 26 is used to control the on and off of the DT1 and DT3 circuits of the integrated solenoid valve A.

[0044] A vehicle conveyor belt unloading control system of the present invention, such as Figure 1 As shown, the working principle is as follows:

[0045] Cover open 21 action: when there is a signal input to the door closing position 17, the cover open 21 button will work; press the cover open 21 button for 2 seconds and then release it, the cover open 21 and DT4 of the integrated solenoid valve A, the system pressure 27 and DT1 circuit of the integrated solenoid valve A are connected, and the cover open 21 action is executed; press the button again, the cover open 21 and DT4 of the integrated solenoid valve A, the system pressure 27 and DT1 circuit of the integrated solenoid valve A are disconnected, and the cover open 21 action stops immediately; the cover open 21 action stops automatically after being executed for 9 seconds;

[0046] Lid closing 22 action: When there is a signal input to the door closing position 17, the lid closing 22 button will work; press the lid closing 22 button for 2 seconds and then release it, the lid closing 22 and the DT5 of the integrated solenoid valve A, the system pressure 27 and the DT1 circuit of the integrated solenoid valve A are connected, and the lid closing 22 action is executed; press the button again, the lid closing 22 and the DT5 of the integrated solenoid valve A, the system pressure 27 and the DT1 circuit of the integrated solenoid valve A are disconnected, and the lid closing 22 action stops immediately; the lid closing 22 action stops automatically after being executed for 9 seconds;

[0047] Forward 23 action: The forward 23 button works only when there is a signal input to the safety position 16, connecting the solenoid valve to drive the motor and conveyor belt to rotate forward; release the forward 23 button after pressing it for 2 seconds, forward 23 is connected to the DT6 of the integrated solenoid valve A, and the system pressure 27 is connected to the DT1 circuit of the integrated solenoid valve A, and the forward 23 action is executed; any signal input from the left rear position 11 or the right rear position 12, forward 23 is disconnected from the DT6 of the integrated solenoid valve A, and the system pressure 27 is disconnected from the DT1 circuit of the integrated solenoid valve A, and the forward 23 action stops automatically (the purpose is to move the front panel of the product to the rear end and stop automatically); if the forward 23 button is pressed again during the forward rotation of the motor and conveyor belt, forward 23 is disconnected from the DT6 of the integrated solenoid valve A, and the system pressure 27 is disconnected from the DT1 circuit of the integrated solenoid valve A, and the forward 23 action stops automatically;

[0048] Reverse 24 action: Press the reverse 24 button for 2 seconds and then release it. Reverse 24 is connected to the DT7 of the integrated solenoid valve A, and the system pressure 27 is connected to the DT1 circuit of the integrated solenoid valve A. The reverse 24 action is executed, and the motor and the conveyor belt are reversed. If any of the left front position 13 and right front position 14 signals is input, the reverse 24 is disconnected from the DT7 of the integrated solenoid valve A, and the system pressure 27 is disconnected from the DT1 circuit of the integrated solenoid valve A, and the reverse 24 action stops automatically (the purpose is to allow the front compartment plate of the product to move to the front end and stop automatically). If the reverse 24 button is pressed again during the reversal of the motor and the conveyor belt, the reverse 24 is disconnected from the DT7 of the integrated solenoid valve A, and the system pressure 27 is disconnected from the DT1 circuit of the integrated solenoid valve A, and the reverse 24 action stops automatically.

[0049] Door opening 25 action: Press the door opening 25 button for 2 seconds and then release it, the door opening 25 and DT2 of the integrated solenoid valve A, the system pressure 27 and DT1 circuit of the integrated solenoid valve A are connected, and the door opening 25 action is executed; press the button again or there is a signal input to the door opening position 15, the door opening 25 and DT2 of the integrated solenoid valve A, the system pressure 27 and DT1 circuit of the integrated solenoid valve A are disconnected, and the door opening 25 action stops immediately; the door opening 25 action stops automatically after being executed for 9 seconds;

[0050] Door closing 26 action: Press the door closing 26 button for 2 seconds and then release it. The door closing 26 is connected to the DT3 of the integrated solenoid valve A, and the system pressure starting 27 is connected to the DT1 circuit of the integrated solenoid valve A. The door closing 26 action is executed. The door closing 26 action continues for 9 seconds and then stops automatically.

[0051] The above contents are only examples of specific schemes of the present invention. For components and structures not described in detail, it should be understood that they are implemented by adopting general equipment and general methods available in the field. The present invention solves the hidden dangers and shortcomings of traditional manual operation control methods of conveyor belt unloading vehicles, greatly improves the unloading efficiency and makes the vehicle safe and efficient. Vehicle hydraulic and mechanical technologies are not within the scope of the present invention.

[0052] The above is only one solution of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A conveyor belt unloading control system for vehicles, characterized in that: It includes an integrated solenoid valve (A), an integrated controller (B), a first sensor (101), a second sensor (102), a third sensor (103), a fourth sensor (104), a fifth sensor (105), a sixth sensor (106), a hydraulic motor, a hydraulic cylinder, a front plate, a rear plate, a top cover and a remote controller; The integrated solenoid valve (A) comprises DT1, DT2, DT3, DT4, DT5, DT6, DT7 circuits and three solenoid reversing valves controlled by the circuits; the control circuits are operated by a remote controller to respectively execute the reversing actions of the three solenoid reversing valves, thereby realizing the actions of the external hydraulic motor and hydraulic cylinder, and further realizing the actions of the front plate, rear plate and top cover of the vehicle; the hydraulic motor and hydraulic cylinder are connected to the hydraulic pipeline of the integrated solenoid valve (A); the hydraulic motor is mechanically connected to the conveyor belt through the reducer roller, the conveyor belt is mechanically connected to the front plate, and the hydraulic cylinder is mechanically connected to the rear plate and the top cover; The integrated controller (B) includes 6 direct input signals, 7 external input signals and 7 external output signals; The six direct input signals: lid open (21), lid closed (22), forward rotation (23), reverse rotation (24), door open (25), door closed (26) are realized by buttons and a wireless remote control, and the buttons are located on the panel of the integrated controller (B); The 7-way external input signal: connected to the left rear position (11), right rear position (12), left front position (13), right front position (14), door open position (15), safety position (16), door closed position (17) through the wiring terminal, and the negative pole of the input signal wiring shares the VCC-input common terminal (18); The 7-way external output signal: cover open (21), cover closed (22), forward rotation (23), reverse rotation (24), door open (25), door closed (26), system pressure start (27) are output through the wiring terminal, and the negative pole of the output signal wiring shares the negative power supply - output common terminal (28); The first sensor (101), the second sensor (102) and the forward rotation button (23) control the on and off of the DT1 and DT6 circuits of the integrated solenoid valve (A); The third sensor (103), the fourth sensor (104) and the reverse (24) button control the on and off of the DT1 and DT7 circuits of the integrated solenoid valve (A); The fifth sensor (105), the forward rotation (23) button and the door opening (25) button control the on and off of the DT1, DT6 and DT2 circuits of the integrated solenoid valve (A); The sixth sensor (106), the cover opening (21) button, and the cover closing (22) button control the on and off of the DT1, DT4, and DT5 circuits of the integrated solenoid valve (A); The door closing (26) button controls the on and off of the DT1 and DT3 circuits of the integrated solenoid valve (A).

2. A vehicle conveyor belt unloading control system according to claim 1, characterized in that: The first sensor (101), the second sensor (102), the third sensor (103), and the fourth sensor (104) are magnetic normally open proximity sensors; the fifth sensor (105) and the sixth sensor (106) are integrated together and are respectively normally open and normally closed composite mechanical sensors.

3. A vehicle conveyor belt unloading control system according to claim 1, characterized in that: The first sensor (101) is connected to the left rear position (11) of the integrated controller (B), the second sensor (102) is connected to the right rear position (12) of the integrated controller (B), the third sensor (103) is connected to the left front position (13) of the integrated controller (B), the fourth sensor (104) is connected to the right front position (14) of the integrated controller (B), the fifth sensor (105) is connected to the door open position (15) and the safety position (16) of the integrated controller (B), and the sixth sensor (106) is connected to the door closed position (17) of the integrated controller (B).

4. A vehicle conveyor belt unloading control system according to claim 1, characterized in that: The cover opening (21) of the integrated controller (B) is connected to DT4 of the integrated solenoid valve (A), the cover closing (22) of the integrated controller (B) is connected to DT5 of the integrated solenoid valve (A), the forward rotation (23) of the integrated controller (B) is connected to DT6 of the integrated solenoid valve (A), the reverse rotation (24) of the integrated controller (B) is connected to DT7 of the integrated solenoid valve (A), the door opening (25) of the integrated controller (B) is connected to DT2 of the integrated solenoid valve (A), and the door closing (26) of the integrated controller (B) is connected to DT3 of the integrated solenoid valve (A).

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