CN-117922621-B - Control method of low-floor modern tramcar full-width type electric emergency safety device

CN117922621BCN 117922621 BCN117922621 BCN 117922621BCN-117922621-B

Abstract

The application relates to the field of detection of expansion ramps of railway vehicles, in particular to a control method of a full-width electric emergency safety device of a low-floor modern tram, which comprises the following steps of S1, opening the expansion ramp; S2, starting a detection device, wherein if the connection part between the expanding ramp and the ramp recovery mechanism is free of problems, S31, resetting the detection device, wherein if the connection part between the expanding ramp and the ramp recovery mechanism is free of problems, S3, S32, enabling a connecting piece connecting the expanding ramp and the ramp recovery mechanism to return to a preset position by the detection device, and S33, manually maintaining. The application can realize the advantages of convenient detection and quick maintenance of the connection part of the expanding ramp and the supporting of the expanding ramp in a short time by effectively utilizing the self structural configuration of the device.

Inventors

JIANG YUFEI
Bie Bilong
YUAN XIANGLIU
ZHANG YULI
PAN WENTAO
BAN YONGTING

Assignees

宁波市轨道交通集团有限公司
宁波中车轨道交通装备有限公司

Dates

Publication Date: 20260505
Application Date: 20231016

Claims (5)

1. The control method of the full-width electric emergency safety device of the low-floor modern tram comprises the full-width electric emergency safety device of the low-floor modern tram, and is characterized in that: the full-width electric emergency safety device of the low-floor modern tram comprises: A fully open door leaf; A sealed door frame; The electric door opening mechanism is rotatably arranged on the sealed door frame, and is opposite to the full-open door leaf and pushes the full-open door leaf to a preset angle in a manner of extruding the full-open door leaf; an expanding ramp; a ramp recycling mechanism, on which the expanding ramp is received, and which is expandable by a predetermined length and contacts with a rail outside the subway; The two opposite detection devices are arranged on the sealing door frame and are positioned at the lower side of the expanding ramp; wherein the expanding ramp is firstly expanded and then swings downwards so that one end of the expanding ramp contacts the ground, the other end of the expanding ramp is rotationally connected with the ramp recovery mechanism, the detection device is positioned between the sealing door frame and the expanding ramp and is arranged to detect whether a connecting piece between the expanding ramp and the ramp recovery mechanism falls off, the wall surface of the sealing door frame connected with the detection device is provided with a first sliding groove, the bottom wall forming the first sliding groove is provided with a second sliding groove, the first sliding groove is communicated with the second sliding groove, the first sliding groove and the second sliding groove are also communicated with the outside, the detection device comprises a first switch assembly which is movably arranged on the sealing door frame and faces the first sliding groove, and the first switch assembly comprises a first shell body, a second switch assembly which is arranged on the sealing door frame and is opposite to the first sliding groove, A first swing switch, The first shell is arranged on the sealed door frame and is opposite to the first sliding groove, the first swing switch is rotatably arranged on one side of the first shell, which is away from the first sliding groove, the first contact button is also arranged on one side of the first shell, which is away from the first sliding groove, the first swing switch and the first contact button are separated by a preset distance, wherein the detection device further comprises a first connecting block, the height of the first connecting block is smaller than that of the first shell, one side of the first connecting block is fixedly connected with the first shell, the detection device further comprises a second switch assembly, the second switch assembly is arranged on the top of the first connecting block, the second switch assembly is perpendicular to the first connecting block, and the first switch assembly is parallel to the first connecting block, the second switch assembly comprises a second shell, a third shell, a fourth shell, a fifth shell, a sixth shell, a seventh shell, and a seventh shell, a second swing switch, The second contact button is arranged at the top of the first connecting block, the second swing switch is rotatably arranged at one side of the second shell, which is close to the first shell, the first contact button is also arranged at one side of the second shell, which is close to the first shell, the first swing switch and the first contact button are separated by a preset distance, in addition, the detection device further comprises a moving block, the top of the moving block is fixedly connected with the bottoms of the first shell and the first connecting block, the detection device further comprises a first driving part, the first driving part is arranged at the bottom of the sealing door frame, the first driving part is provided with a telescopic shaft, the telescopic shaft is L-shaped, one end of the telescopic shaft is connected with the first driving part, the other end of the telescopic shaft penetrates through the second sliding groove and is fixedly connected with the bottom of the moving block, and one side, which is opposite to the detection device, of the expansion ramp is further provided with a squeezing component, the first squeezing component and the second rolling wheel are fixedly connected with one side of the detection device, the first rolling wheel is opposite to the second rolling wheel, the rolling wheel is opposite to the second rolling wheel, and the rolling wheel is connected with the first rolling wheel, the rolling wheel is opposite to the second rolling wheel, and the rolling wheel is opposite to the first rolling wheel, and the rolling wheel is connected with the rolling wheel, and the rolling wheel is opposite to the rolling wheel, and the rolling device. S1, opening the expanding ramp; s2, starting the detection device: S3, if the connecting piece between the expanding ramp and the ramp recovery mechanism has no problem; S31, resetting the detection device: S3, if the connecting piece between the expanding ramp and the ramp recovery mechanism is problematic; S32, the detection device pushes up a connecting piece between the expanding ramp and the ramp recovery mechanism to a preset position; s33, maintaining manually.
2. The control method of the full-width electric emergency safety device of the modern low-floor tram according to claim 1, wherein an oil pressure assembly is further arranged on one side of the ramp recycling mechanism, the oil pressure assembly comprises an oil tank, a pipeline and a connector, the oil tank is arranged on one side of the ramp recycling mechanism, an oil inlet, a circulation cavity and an oil outlet are further formed in one side of the first shell, which is close to the oil tank, the oil inlet and the oil outlet are communicated with the circulation cavity, the oil inlet and the oil outlet are communicated with the outside, an oil pump is arranged on one side of the oil tank, one end of the pipeline is connected with the oil pump of the oil tank, the other end of the pipeline is connected with the connector, and the connector is in threaded connection with the oil inlet.
3. The control method of the full-width electric emergency safety device of the modern low-floor tram according to claim 2, wherein the detection device further comprises a first telescopic assembly, one end of the first telescopic assembly is connected with the oil outlet, the first telescopic assembly comprises a first connecting pipe, a second connecting pipe and a third connecting pipe, one end of the first connecting pipe is fixedly connected with the oil outlet, the other end of the first connecting pipe is fixedly connected with one end of the second connecting pipe, and one end of the second connecting pipe is movably connected with one end of the third connecting pipe.
4. The control method of a low-floor modern tram full-width electric emergency safety device according to claim 3, wherein the detection device further comprises a support component, the support component comprises a support piece, a fixing piece and a second telescopic component, the support component is located between the ramp recovery mechanism and the first sliding groove, the fixing piece is fixedly connected with the sealing door frame, one side, away from the first driving component, of the fixing piece is provided with a mounting cavity with an opening, one side, close to the first shell, of the fixing piece is provided with a mounting hole, two ends of the mounting hole are respectively communicated with the mounting cavity and the outside, one end, away from the second connecting pipe, of the third connecting pipe is fixedly connected with the mounting hole, the support piece is provided with a support end and an abutting end, the support end is connected with the abutting end, and the cross-sectional size of the support end is smaller than that of the abutting end, in addition, one end, away from the support end, of the abutting end is located in the mounting cavity, is located at one side, away from the support end, of the support end, is located at the mounting cavity, and is located at the side, away from the support end, and is in contact with the ramp expansion end, and is connected with the support plate, and the support piece is formed by elastic expansion end.
5. The control method of the low-floor modern tram full-width electric emergency safety device according to claim 4, wherein the control method of the detection device comprises: s21, driving the first driving part to enable the telescopic shaft to retract for a preset length, and enabling the moving block to drive the first switch assembly and the second switch assembly to move for a preset distance in a direction approaching to the extrusion assembly; s211, resetting the detection device if the first switch assembly does not contact the extrusion assembly and the second switch assembly contacts the extrusion assembly; s212, if the first switch component contacts the extrusion component, entering a step S23; s23, starting the oil pump and the two induction components; S24, the supporting plate is extruded by oil liquid to move upwards for a preset distance, so that the supporting end is lifted by a preset height, and meanwhile, a connecting piece between the expanding ramp and the ramp recovery mechanism is jacked to a preset position; s25, two sensing assemblies sense that the connecting piece resets and the oil pump is closed; S26, manually overhauling; And S27, manually starting the oil pump through an external terminal so as to enable the oil to flow back.

Description

Control method of low-floor modern tramcar full-width type electric emergency safety device Technical Field The application relates to the field of railway vehicle expansion ramp detection, in particular to a control method of a full-width electric emergency safety device of a modern low-floor tramcar. Background The face structure of the existing low-floor modern tram is usually the structure of a full-width door leaf so as to improve enough visual field and aesthetic property, and meanwhile, the trafficability and safety of emergency evacuation can be improved under the condition of opening the full-width door leaf. In addition, a door opening mechanism for starting the full-width door leaf and a telescopic evacuation ramp are further arranged at the head of the vehicle, the full-width door leaf is opened through the door opening mechanism, and after the full-width door leaf is opened, the evacuation ramp extends out, so that passengers can be evacuated conveniently, and the full-width door leaf, the door opening mechanism and the evacuation ramp jointly form an emergency safety device. However, after the existing evacuation ramp is unfolded, whether the connecting piece is firm or not is not provided with a detection mechanism, so that the situation that whether the connecting piece at the key position falls off or not needs to be manually detected at fixed time is caused, and the stability of the evacuation ramp is a key for ensuring safe conveying. Therefore, the control method for the low-floor modern tramcar full-width electric emergency safety device is needed, the control method is convenient to detect, the detection device can play a role in supporting an expanding ramp in a short time, and the expanding ramp connector is convenient to maintain. Disclosure of Invention The application mainly aims to provide a control method of a full-width electric emergency safety device of a low-floor modern tram, wherein the control method of the full-width electric emergency safety device of the low-floor modern tram can effectively utilize the self structural configuration of the control method, so that a detection device can support the advantages of convenience in maintenance of an expanding ramp and an expanding ramp connecting piece in a short time. Another object of the present application is to provide a control method of a low-floor modern tram full-width electric emergency safety device, wherein the control method of the low-floor modern tram full-width electric emergency safety device comprises S1, opening the expanding ramp; s2, starting the detection device: S3, if the connecting piece between the expanding ramp and the ramp recovery mechanism has no problem; S31, resetting the detection device: S3, if the connecting piece between the expanding ramp and the ramp recovery mechanism is problematic; S32, the detection device pushes up a connecting piece between the expanding ramp and the ramp recovery mechanism to a preset position; And S33, manually maintaining, namely when the detection device pushes the connecting piece between the expanding ramp and the ramp recovery mechanism to a preset position, the detection device can temporarily support the expanding ramp to function, so that the stability of the expanding ramp is ensured in the emergency evacuation process, and the manual maintenance is convenient. In order to achieve at least one of the above objects, the present application provides a control method of a low-floor modern tram full-width electric emergency safety device, which comprises a low-floor modern tram full-width electric emergency safety device, wherein the low-floor modern tram full-width electric emergency safety device comprises: A fully open door leaf; A sealed door frame; The electric door opening mechanism is rotatably arranged on the sealed door frame, and is opposite to the full-open door leaf and pushes the full-open door leaf to a preset angle in a manner of extruding the full-open door leaf; an expanding ramp; a ramp recycling mechanism, on which the expanding ramp is received, and which is expandable by a predetermined length and contacts with a rail outside the subway; The device comprises a sealing door frame, two opposite detection devices, a low-floor modern tramcar full-width electric emergency safety device and a low-floor modern tramcar full-width electric emergency safety device, wherein the two opposite detection devices are arranged on the sealing door frame and are positioned on the lower side of an unfolding ramp, the unfolding ramp is firstly unfolded downwards to enable one end of the unfolding ramp to contact the ground, the other end of the unfolding ramp is rotatably connected with a ramp recovery mechanism, the detection devices are positioned between the sealing door frame and the unfolding ramp and are arranged to be capable of detecting whether a connecting piece between the unfolding ramp and the ramp recovery mechanism falls off or not, and the c