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CN-121973818-A - Railway automatic dumping car

CN121973818ACN 121973818 ACN121973818 ACN 121973818ACN-121973818-A

Abstract

The invention provides a railway self-dumping car, which relates to the technical field of railway equipment and comprises a car body bottom beam, a car, a connecting rod mechanism, a telescopic cylinder body and a heating system, wherein the car comprises a car body and a side door, the side door is rotatably arranged at the end part of the car body in the width direction, a fixed end and a telescopic end of the telescopic cylinder body are respectively and rotatably connected with the car body bottom beam and the car body, the connecting rod mechanism is respectively and rotatably connected with the side door, the car body and the car body bottom beam, when the telescopic end stretches to drive the car body to tip over towards one side of the car body in the length direction, the connecting rod mechanism is used for deforming to drive the corresponding side door to open the car body, when the telescopic end stretches to retract to drive the car body to reset relative to the car body bottom beam, the connecting rod mechanism is used for deforming to drive the corresponding side door to close the car body, and the heating system is used for providing heat energy for the bottom of the car body to heat the inner bottom surface of the car body. The railway automatic dumping car effectively improves the operation safety and the operation efficiency of the railway automatic dumping car.

Inventors

  • PAN KE
  • ZHENG JINGLONG
  • WANG YUE
  • WANG LEI
  • Ge zhongxiao
  • QU FENGLI
  • LIU KE

Assignees

  • 中车哈尔滨车辆有限公司

Dates

Publication Date
20260505
Application Date
20260311

Claims (10)

  1. 1. A railway automatic dumper is characterized by comprising a car body bottom beam (10), a car body (20), a connecting rod mechanism (30), a telescopic cylinder body (40) and a heating system (50), wherein the car body (20) comprises a car body (21) and a side door (22), the side door (22) is rotatably arranged at the end part of the car body (21) along the width direction and used for opening or closing the car body (21), the fixed end and the telescopic end of the telescopic cylinder body (40) are respectively and rotatably connected with the car body bottom beam (10) and the car body (21), the connecting rod mechanism (30) is respectively and rotatably connected with the side door (22), the car body (21) and the car body bottom beam (10), when the telescopic end stretches to drive the car body (21) to tilt towards one side of the length direction of the car body (21), the connecting rod mechanism (30) is used for deforming to drive the corresponding side door (22) to open the car body (21), when the telescopic end retracts to drive the car body (21) to retract relative to the car body (10) to reset the connecting rod mechanism (21) to drive the car body (21) to heat energy to close the car body (50), to heat the inner bottom surface of the compartment body (21).
  2. 2. Railway self-dumping car according to claim 1, characterized in that the carriage (20) further comprises an anti-sticking structure (23), and the side doors (22) and the end faces of the carriage body (21) facing the interior of the carriage (20) are respectively provided with the anti-sticking structure (23).
  3. 3. The railway self-dumping car as claimed in claim 1, wherein the car body (21) comprises an end wall (211), a bottom frame (212) and a floor (213), wherein the end of the bottom frame (212) in the length direction is connected with the end wall (211), the end wall (211) is rotationally connected with the link mechanism (30), the end of the bottom frame (212) in the width direction is rotationally connected with the side door (22), the floor (213) is arranged on the end face of the bottom frame (212) facing the inside of the car body (21), and the heating system (50) is used for providing heat energy for the floor (213).
  4. 4. A railway automatic dumper according to claim 3, wherein the link mechanism (30) comprises a first connecting rod (31), a transmission piece (33) and a second connecting rod (32), the transmission piece (33) is provided with a first rotating position, a second rotating position and a third rotating position which form three vertexes of a triangle, one end of the end wall (211), one end of the first connecting rod (31) and one end of the second connecting rod (32) are respectively connected with the first rotating position, the second rotating position and the third rotating position in a rotating mode, the other end of the first connecting rod (31) is connected with the side door (22) in a rotating mode, and the other end of the second connecting rod (32) is connected with the bottom beam (10) of the railway automatic dumper in a rotating mode.
  5. 5. The railway automatic dumping car as set forth in claim 4, wherein a mounting cavity (2111) is formed in the end wall (211), a first opening is formed in the end wall (211) along the width direction of the car body (21), a second opening is formed in the bottom end of the end wall (211), a third opening communicated with the second opening is formed in the bottom frame (212), the transmission piece (33) is rotatably mounted in the mounting cavity (2111), one end of the first connecting rod (31) is rotatably connected with the side door (22) through the first opening, and one end of the second connecting rod (32) is rotatably connected with the car body bottom beam (10) through the second opening and the third opening.
  6. 6. A railway automatic dumper according to claim 3, further comprising a gas supply system, wherein a heating cavity (2131) is arranged in the floor (213), the heating system (50) comprises a cold and hot gas separation device (60), an outlet of the cold and hot gas separation device (60) is communicated with the heating cavity (2131), an outlet of the heating cavity (2131) is used for being communicated with the atmosphere, the gas supply system is used for conveying compressed air to the cold and hot gas separation device (60), and the cold and hot gas separation device (60) is used for conveying hot gas separated from the compressed air into the heating cavity (2131).
  7. 7. The railway automatic dumping car as set forth in claim 6, wherein the two ends of the car body (21) along the width direction are respectively connected with the side doors (22) in a rotating way, each side door (22) is respectively corresponding to at least one connecting rod mechanism (30), the car body bottom beam (10) is provided with two rows of telescopic cylinders (40) along the width direction, and the air supply system is used for driving the two rows of telescopic cylinders (40) to work in a time-sharing way so as to regulate and control the tipping direction of the car body (21).
  8. 8. The railway automatic dumping car according to claim 7, wherein the air supply system comprises a compressed air source (100), an air storage barrel (60), a one-way valve (200), a first switch valve (300) and a second switch valve (400), wherein an outlet of the compressed air source (100) is respectively communicated with an inlet of the cold and hot air separating device (51) and an inlet of the air storage barrel (60), an outlet of the air storage barrel (60) is communicated with two air supply air paths which are respectively communicated with air inlet ends of two rows of telescopic cylinders (40), the one-way valve (200) is positioned on an upstream pipeline of the air storage barrel (60) and used for limiting air backflow in the air storage barrel (60), the first switch valve (300) is positioned on a pipeline between the cold and hot air separating device (51) and the compressed air source (100) and used for conducting or cutting off an air inlet path of the cold and hot air separating device (51), and each air supply air path is provided with the second switch valve (400) so as to control the corresponding air inlet and telescopic cylinders (40).
  9. 9. The railway automatic dumper according to claim 8, wherein the second switching valve (400) is provided with a first working port, a second working port and a third working port, the first working port is used for being communicated with an outlet of the air storage cylinder (60), the second working port is used for being communicated with an air inlet end of the corresponding telescopic cylinder body (40), the third working port is used for being communicated with the atmosphere, and a valve core in the second switching valve (400) is used for moving so that the second working port is communicated with the first working port or the third working port.
  10. 10. A railway automatic dumper according to claim 3, wherein the telescopic cylinder body (40) comprises an outer sleeve (41), a stop piece (42), a piston rod (43), an outer piston (44), an inner piston (45) and an elastic reset piece (46), wherein the circumferential side wall of the outer sleeve (41) is rotationally connected with the car body bottom beam (10), an air inlet (411) is formed at the lower end of the outer sleeve (41), the stop piece (42) is arranged at the opening of the upper end of the outer sleeve (41), the upper end of the outer piston (44) is arranged at the outer side of the outer sleeve (41), the lower end of the outer piston (44) penetrates through the stop piece (42) to be arranged in the outer sleeve (41) in a sliding mode, a first limiting part (441) is arranged on the circumferential side wall of the lower end of the outer piston (44) in a protruding mode, a sliding cavity (443) with the opening at the lower end is arranged in the inner portion of the outer piston (44), the inner wall (443) is provided with a step structure (442) which is arranged in the sliding mode, the step structure (45) is arranged in the sliding mode (43) and is connected with the sliding mode, the other end passes through the outer piston (44) and is rotationally connected with the underframe (212), and the elastic reset piece (46) is sleeved on the part of the piston rod (43) positioned in the sliding cavity (443).

Description

Railway automatic dumping car Technical Field The invention relates to the technical field of railway equipment, in particular to a railway automatic dumping car. Background Currently, in the operation scene of railway transportation of bulk cargoes in domestic mine enterprises, a side-turning type unloading railway self-turning car is widely adopted. The vehicle is unloaded by tilting the whole carriage around the longitudinal axis, the tilting power mode of the vehicle takes hydraulic driving and pneumatic driving as main flows, and a side door restraining type tilting mechanism is generally configured on the structure and is used for cooperatively controlling the opening and closing states of the side door of the carriage in the tilting process. However, in the actual running process, the side door restraining type tipping mechanism generally depends on the time sequence coordination of a mechanical connecting rod, a limit stop and a power executing element (such as an oil cylinder or an air cylinder), so that the condition that a side door of a discharging side is not opened according to a set time sequence and a carriage continuously tips can be easily generated, the gravity center of the carriage is unstable and is buckled integrally, potential safety hazards are brought, overhauling is needed, and accordingly discharging efficiency is reduced. Disclosure of Invention The invention solves the problem of how to improve the operation safety and the operation efficiency of the railway automatic dumping car. The invention provides a railway automatic dumping car which comprises a car body bottom beam, a car body, a connecting rod mechanism, a telescopic cylinder body and a heating system, wherein the car body comprises a car body and a side door, the side door is rotatably arranged at the end part of the car body in the width direction and used for opening or closing the car body, the fixed end and the telescopic end of the telescopic cylinder body are respectively and rotatably connected with the car body bottom beam and the car body, the connecting rod mechanism is respectively and rotatably connected with the side door, the car body and the car body bottom beam, when the telescopic end stretches to drive the car body to tip towards one side of the car body in the length direction, the connecting rod mechanism is used for deforming to drive the corresponding side door to open the car body, when the telescopic end retracts to drive the car body to reset relative to the car body bottom beam, the connecting rod mechanism is used for deforming to drive the corresponding side door to close the car body, and the heating system is used for providing heat energy to the bottom of the car body to heat the inner bottom surface of the car body. Optionally, the carriage further comprises an anti-sticking structure, and the anti-sticking structure is respectively arranged on the side door and the end face of the carriage body facing the interior of the carriage. Optionally, the carriage body comprises an end wall, an underframe and a floor, wherein the end part of the underframe in the length direction is connected with the end wall, the end wall is rotationally connected with the connecting rod mechanism, the end part of the underframe in the width direction is rotationally connected with the side door, the floor is arranged on the end surface of the underframe facing the inside of the carriage body, and the heating system is used for providing heat energy for the floor. The connecting rod mechanism comprises a first connecting rod, a transmission piece and a second connecting rod, wherein the transmission piece is provided with a first rotating position, a second rotating position and a third rotating position which form three vertexes of a triangle, one end of the end wall, one end of the first connecting rod and one end of the second connecting rod are respectively connected with the first rotating position, the second rotating position and the third rotating position in a rotating mode, the other end of the first connecting rod is connected with the side door in a rotating mode, and the other end of the second connecting rod is connected with the bottom beam of the vehicle body in a rotating mode. Optionally, an installation cavity is formed in the end wall, a first opening is formed in the end wall along the end portion of the carriage body in the width direction, a second opening is formed in the bottom end of the end wall, a third opening communicated with the second opening is formed in the bottom frame, the transmission piece is rotatably installed in the installation cavity, one end of the first connecting rod is rotatably connected with the side door through the first opening, and one end of the second connecting rod is rotatably connected with the vehicle body bottom beam through the second opening and the third opening. The railway automatic dumping car further comprises an air supply system, a heating