CN-117944728-B - Shallow device for double-arm empty car dumper and control method thereof

CN117944728BCN 117944728 BCN117944728 BCN 117944728BCN-117944728-B

Abstract

The utility model provides a two big arm shallow devices for air-lift car shunting machine and control method thereof, be provided with including main every single move arm and auxiliary every single move arm on the shallow device, the top of main every single move arm is provided with main coupling, the middle part of main every single move arm is articulated with one end of connecting rod, the bottom of main every single move arm is articulated with one side of air-lift car shunting machine automobile body, the opposite side of air-lift car shunting machine automobile body is articulated with the bottom of auxiliary every single move arm, the middle part of auxiliary every single move arm is articulated with the other end of connecting rod, the top of auxiliary every single move arm sets up auxiliary coupling, the middle part of main every single move arm is articulated with one end of pull rod, the other end of pull rod cooperates with the output shaft transmission of motor, the top of air-lift car shunting machine automobile body still is provided with the altitude limiter that is used for carrying out the monitoring to main every single move arm's position, the motor is controlled through altitude limiter feedback signal. The design cooperatively controls the two pitching arms of the empty car dumper with the double-large-arm structure, so that the effect that one empty car dumper gives consideration to two empty car line cart operations is achieved.

Inventors

DENG SIJIE
QIAN LIANG
ZHOU JUNGANG

Assignees

中国电建集团武汉重工装备有限公司

Dates

Publication Date: 20260505
Application Date: 20240202

Claims (7)

1. The utility model provides a two big arm empty wagon shunting machine shallow device which characterized in that: The trolley device comprises a main pitching arm (1) and an auxiliary pitching arm (2), wherein a main coupler (11) is arranged at the top of the main pitching arm (1), the middle part of the main pitching arm (1) is hinged with one end of a connecting rod (4), the bottom of the main pitching arm (1) is hinged with one side of an empty trolley body (3), the other side of the empty trolley body (3) is hinged with the bottom of the auxiliary pitching arm (2), the middle part of the auxiliary pitching arm (2) is hinged with the other end of the connecting rod (4), an auxiliary coupler (21) is arranged at the top of the auxiliary pitching arm (2), the top of the empty trolley body (3) is provided with a motor (5), an output shaft of the motor (5) is connected with the input end of a speed reducer (51), an output shaft of the speed reducer (51) is in transmission fit with one end of a pull rod (52), and the other end of the pull rod (52) is hinged with the middle part of the main pitching arm (1); The speed reducer is characterized in that a first gear (81) coaxial with the speed reducer is fixedly arranged on an output shaft of the speed reducer (51), the first gear (81) is meshed with a second gear (82), the second gear (82) is fixedly connected with an input shaft of a height limiter (8), the height limiter (8) is fixedly connected with an empty car shunting body (3), a signal output end of the height limiter (8) is connected with a pitching arm position signal input end of a controller (6), a motor control signal output end of the controller (6) is connected with a control end of a motor (5) through a frequency converter (7), a brake control signal output end of the controller (6) is connected with a control end of a brake (9), and the brake (9) is used for braking the speed reducer (51).
2. The cart device for a double-arm empty wagon according to claim 1, wherein: The height limiter (8) is internally provided with a first cam switch (S101), a second cam switch (S102), a third cam switch (S103), a fourth cam switch (S104), a fifth cam switch (S105) and a sixth cam switch (S106); the first cam switch (S101) is used for sending a first position signal to a pitching arm position signal input end of the controller (6) when the main pitching arm (1) rotates downwards to an arm falling end position; The second cam switch (S102) is used for sending a second position signal to a pitching arm position signal input end of the controller (6) when the main pitching arm (1) rotates downwards to a first preset position; The third cam switch (S103) is used for sending a third position signal to the pitching arm position signal input end of the controller (6) when the main pitching arm (1) rotates upwards to a second preset position; The fourth cam switch (S104) is used for sending a fourth position signal to the pitching arm position signal input end of the controller (6) when the main pitching arm (1) rotates upwards to the arm lifting end position; The fifth cam switch (S105) is used for sending a fifth position signal to a pitching arm position signal input end of the controller (6) when the main pitching arm (1) rotates to a falling arm limit position; The sixth cam switch (S106) is used for sending a sixth position signal to the pitching arm position signal input end of the controller (6) when the main pitching arm (1) rotates to the lifting arm limit position; The controller (6) controls the motor (5) and the brake (9) to operate according to the first position signal, the second position signal, the third position signal, the fourth position signal, the fifth position signal and the sixth position signal.
3. The cart device for a double-arm empty wagon according to claim 2, wherein: The first cam switch (S101), the second cam switch (S102), the third cam switch (S103), the fourth cam switch (S104), the fifth cam switch (S105) and the sixth cam switch (S106) are all normally closed switches, and the first position signal, the second position signal, the third position signal, the fourth position signal, the fifth position signal and the sixth position signal are all falling edge signals.
4. A cart device for a double-arm empty wagon according to claim 3, wherein: An output shaft of the speed reducer (51) is vertically connected with one end of a rocker arm (53), and the other end of the rocker arm (53) is hinged with one end of a pull rod (52) far away from the main pitching arm (1).
5. A control method of a cart device for a double-arm empty wagon according to any one of claims 2 to 4, characterized in that: The control method of the cart device comprises the steps of descending a main pitching arm (1), ascending a secondary pitching arm (2) and descending the main pitching arm (1) and the secondary pitching arm (2); the main pitching arm (1) descends, and the auxiliary pitching arm (2) ascends to control specifically comprises: the controller (6) controls the rotating shaft of the motor (5) to rotate positively through the frequency converter (7), the motor (5) drives the main pitching arm (1) to rotate downwards, and the auxiliary pitching arm (2) rotates along with the main pitching arm (1); when the main pitching arm (1) rotates downwards to a first preset position, the second cam switch (S102) sends a second position signal to the controller (6), and the controller (6) receives the second position signal and then controls the motor (5) to rotate in a speed reducing way through the frequency converter (7); when the main pitching arm (1) rotates downwards to an arm falling end position, a first cam switch (S101) sends a first position signal to a controller (6), the controller (6) receives the first position signal and then controls the rotating speed of a motor (5) to be reduced to 0 through a frequency converter (7), meanwhile, the controller (6) controls a brake (9) to brake a speed reducer (51), and the main pitching arm (1) and the auxiliary pitching arm (2) stop acting; the main pitching arm (1) ascends and the auxiliary pitching arm (2) descends, and the control specifically comprises the following steps: The controller (6) controls the rotating shaft of the motor (5) to reversely rotate through the frequency converter (7), the motor (5) drives the main pitching arm (1) to rotate upwards, and the auxiliary pitching arm (2) rotates along with the main pitching arm (1) at the moment; When the main pitching arm (1) rotates upwards to a second preset position, a third cam switch (S103) sends a third position signal to the controller (6), and the controller (6) receives the third position signal and then controls the motor (5) to rotate in a speed reducing way through the frequency converter (7); When the main pitching arm (1) rotates upwards to the arm lifting end position, the fourth cam switch (S104) sends a fourth position signal to the controller (6), the controller (6) receives the fourth position signal and then controls the rotating speed of the motor (5) to be reduced to 0 through the frequency converter (7), meanwhile, the controller (6) controls the brake (9) to brake the speed reducer (51), and the main pitching arm (1) and the auxiliary pitching arm (2) stop acting.
6. The control method of the cart device for the double-arm empty wagon according to claim 5, wherein the control method comprises the following steps: The main pitching arm (1) descends, and the auxiliary pitching arm (2) ascends to control the main pitching arm to further comprise: When the main pitching arm (1) continuously rotates to the arm falling limit position after passing through the arm falling end position, a fifth cam switch (S105) sends a fifth position signal to a controller (6), and the controller (6) controls a breaker of a power circuit of a motor (5) to be disconnected and a brake (9) to be locked after receiving the fifth position signal; the main pitching arm (1) ascends and the auxiliary pitching arm (2) descends to control the device further comprises: When the main pitching arm (1) continues to rotate to the lifting arm limit position after passing through the lifting arm end position, a sixth cam switch (S106) sends a sixth position signal to the controller (6), and the controller (6) receives the sixth position signal and then controls a breaker of a power circuit of the motor (5) to be disconnected and controls a brake (9) to be locked.
7. The control method of the cart device for the double-arm empty wagon according to claim 6, wherein the control method comprises the following steps: The alarm signal output end of the controller (6) is connected with the control end of the alarm (10), and when the controller (6) receives the fifth position signal or the sixth position signal, the controller (6) controls the alarm (10) to alarm.

Description

Shallow device for double-arm empty car dumper and control method thereof Technical Field The invention relates to a cart device for a double-arm empty wagon shunting machine and a control method thereof, which are particularly suitable for transporting and unloading operations of railway open wagon vehicles. Background The empty car dumper is an important device used in a railway dumper turning and unloading system, is matched with the empty car dumper and arranged on an empty car dumper track, and can be used for pulling an open car to move. The existing empty car shunting machine generally adopts a fixed large arm structure, a counterweight is arranged for the fixed large arm, and one shunting machine generally only adopts one empty car line to push empty car operation. When the air conditioner needs to consider the operation of the trolleys (with the distance of 6.5 meters) of two empty lines, the original air conditioner cannot meet the use requirement, so that the same air conditioner is required to be provided with the trolley device with the double large arm structure, and the structure of the air conditioner with the double large arm structure is different from that of the traditional air conditioner, the two large arms in the cart device are counter weights, so that a control method of the cart device for the double-large-arm empty car shunting machine is needed, the two large arms in the cart device are cooperatively controlled, and then two empty car line cart operations are realized. Disclosure of Invention The invention aims to solve the problem that an empty wagon shunting machine in the prior art cannot realize the cart operation of two empty wagon lines, and provides a control method of a cart device for a double-large-arm empty wagon shunting machine. In order to achieve the above object, the technical solution of the present invention is: The trolley device for the double-large-arm air-lift car dumper comprises a main pitching arm and an auxiliary pitching arm, wherein a main coupler is arranged at the top of the main pitching arm, the middle part of the main pitching arm is hinged with one end of a connecting rod, the bottom of the main pitching arm is hinged with one side of an air-lift car dumper body, the other side of the air-lift car dumper body is hinged with the bottom of the auxiliary pitching arm, the middle part of the auxiliary pitching arm is hinged with the other end of the connecting rod, the top of the auxiliary pitching arm is provided with the auxiliary coupler, a motor is arranged at the top of the air-lift dumper body, an output shaft of the motor is connected with the input end of a speed reducer, an output shaft of the speed reducer is in transmission fit with one end of the pull rod, and the other end of the pull rod is hinged with the middle part of the main pitching arm; The output shaft of the speed reducer is fixedly provided with a first gear which is coaxial with the speed reducer, the first gear is meshed with a second gear, the second gear is fixedly connected with an input shaft of the height limiter, the height limiter is fixedly connected with an empty car shunting machine body, a signal output end of the height limiter is connected with a pitching arm position signal input end of the controller, a motor control signal output end of the controller is connected with a control end of the motor through a frequency converter, a brake control signal output end of the controller is connected with a control end of a brake, and the brake is used for braking an output shaft of the speed reducer. The height limiter is internally provided with a first cam switch, a second cam switch, a third cam switch, a fourth cam switch, a fifth cam switch and a sixth cam switch; The first cam switch is used for sending a first position signal to a pitching arm position signal input end of the controller when the main pitching arm rotates downwards to a falling arm end position; The second cam switch is used for sending a second position signal to the pitching arm position signal input end of the controller when the main pitching arm rotates downwards to a first preset position; The third cam switch is used for sending a third position signal to the pitching arm position signal input end of the controller when the main pitching arm rotates upwards to a second preset position; the fourth cam switch is used for sending a fourth position signal to the pitching arm position signal input end of the controller when the main pitching arm rotates upwards to the lifting arm end position; the fifth cam switch is used for sending a fifth position signal to the pitching arm position signal input end of the controller when the main pitching arm rotates to the arm falling limit position; the sixth cam switch is used for sending a sixth position signal to the pitching arm position signal input end of the controller when the main pitching arm rotates to the lifting arm limit position; the contro