阅读说明：本技术 一种登车桥的自动控制方法 (Automatic control method for boarding bridge ) 是由 曹亚军 袁丁 吴仕峰 邱远喜 万涛 黄和智 黄智才 于 2020-07-20 设计创作，主要内容包括：本发明提供了一种登车桥的自动控制方法,包括以下步骤：步骤一：在没有货车进行装货时,保持踏板为收起状态；步骤二：货车进场停靠过程中,在测距雷达实时监控与货车车厢尾部的距离,并将测得的数据信号传输到控制系统,并由控制系统通过扬声器将距离信息传递给驾驶员；步骤三：当测距雷达测得货车车厢已到达设定的停车距离时,由控制系统通过扬声器告知驾驶员已停靠到位；步骤四：测距雷达连续一段时间检测与货车车厢尾部的距离无变化时,判断货车已停稳,放下踏板连接装货平台与货车车厢,开始装货；步骤五：装货完成后,收起踏板,等待下一辆货车进场装货。本发明提供了一种登车桥的自动控制方法,实现登车桥的全自动化控制。(The invention provides an automatic control method of a dock leveler, which comprises the following steps: the method comprises the following steps: when no goods are loaded in the truck, the pedal is kept in a retracted state; step two: in the process of entering and stopping the wagon, the distance between the distance measuring radar and the tail of a wagon compartment is monitored in real time, the measured data signal is transmitted to a control system, and the control system transmits distance information to a driver through a loudspeaker; step three: when the distance measuring radar measures that the boxcar reaches the set parking distance, the control system informs the driver that the boxcar is parked in place through a loudspeaker; step four: when the distance from the ranging radar to the tail of the boxcar is detected for a period of time continuously and has no change, judging that the boxcar is stopped stably, putting down a pedal to connect a loading platform and the boxcar, and starting loading; step five: after the goods are loaded, the pedal is folded to wait for the next goods vehicle to enter the yard for loading. The invention provides an automatic control method of a dock leveler, which realizes the full-automatic control of the dock leveler.)

1. An automatic control method for a boarding bridge is characterized by comprising the following steps:

the method comprises the following steps: when no goods are loaded in the truck, the pedal is kept in a retracted state;

step two: when a truck enters a field for loading, in the process of parking the truck, after a truck compartment enters the detection range of a ranging radar, the ranging radar monitors the distance from the tail of the truck compartment in real time, transmits the measured data signal to a control system, converts the data signal into an electric signal by the control system and transmits the electric signal to a loudspeaker, and transmits distance information to a driver through the loudspeaker;

step three: when the distance measuring radar measures that the boxcar reaches the set parking distance, the control system informs the driver that the boxcar is parked in place through a loudspeaker;

step four: when the distance from the ranging radar to the tail of the boxcar is detected for a period of time continuously and has no change, judging that the boxcar is stopped stably, putting down a pedal to connect a loading platform and the boxcar, and starting loading;

step five: after the goods are loaded, the pedal is folded to wait for the next goods vehicle to enter the yard for loading.

2. The automatic control method for boarding bridge of claim 1, characterized in that: and in the second step, when the distance between the distance measuring radar and the tail of the boxcar reaches a specific value, the control system informs the driver of the distance information through a loudspeaker.

3. The automatic control method for boarding bridge of claim 2, characterized in that: the specific values are 1m, 0.5m, 0.2m, 0.1m and 0 m.

4. The automatic control method for boarding bridge of claim 1, characterized in that: in the second step, two distance measuring radars are arranged on two sides of the pedal, the two distance measuring radars respectively monitor the distance between the two distance measuring radars and the left side and the right side of the tail of the boxcar, and when the difference between the distance between the two sides of the tail of the boxcar is larger than a set value, the distance measuring radars inform a driver of the deviation information of the left side and the right side of the tail of the boxcar and inform the driver of turning left or right to adjust the direction; when the difference between the left and right side distances at the tail part of the boxcar is less than or equal to a set value, the alignment of the boxcar is informed to a driver through a loudspeaker.

5. The automatic control method of a dock leveler as set forth in claim 4, wherein: the set value of the distance difference between the left side and the right side of the tail of the boxcar is 1 cm-15 cm.

6. The automatic control method for boarding bridge of claim 1, characterized in that: and in the fourth step, the continuous detection judgment time length for keeping the distance between the ranging radar and the tail part of the boxcar unchanged is set to be 10 s-2 min.

7. The automatic control method for boarding bridge of claim 1, characterized in that: in the fourth step, after the truck is judged to be stable, the following steps are carried out before the pedal is put down:

step four, firstly: the photoelectric switch arranged on the pedal judges whether the compartment door of the boxcar is opened in real time, if not, the step two is carried out, and if so, the pedal is put down;

step four and step two: and the control system informs the driver of opening the compartment door through a loudspeaker and returns to the step four.

8. The automatic control method for boarding bridge of claim 7, characterized in that: and in the second step, if the control system informs the driver of opening the carriage door through the loudspeaker for multiple times, a time interval is set between two times of notification.

9. The automatic control method for boarding bridge of claim 8, characterized in that: the time interval is 10 s-5 min.

Technical Field

The invention belongs to the technical field of logistics, and particularly relates to an automatic control method of a boarding bridge.

Background

The current logistics technology, in order to facilitate the loading, often build the loading platform, the loading platform height is the standard height of boxcar bottom plate, nevertheless because the holistic processing of freight train, assembly tolerance, or the atmospheric pressure state of wheel, all can make and have certain difference in height between loading platform and the boxcar bottom plate, often connect loading platform and boxcar through the bridge of stepping on the bus, solve the difference in height problem, chinese patent like the publication No. CN208103443U provides a unpowered formula deck-stepping on the bus, include: frame, bridge plate, overlap joint board and spring assembly, the both ends difference swivelling joint of bridge plate the frame with the overlap joint board, spring assembly connects the frame with between the overlap joint board, through setting up the frame with spring assembly and swivelling joint between the overlap joint board the frame with the overlap joint board the bridge plate can convenient and fast ground adjustment the position, the height of overlap joint board and bridge plate, but this boarding bridge need dispose personnel and operate, and degree of automation is low.

Disclosure of Invention

In order to solve the technical problem, the invention provides an automatic control method of a dock leveler, which realizes the full-automatic control of the dock leveler.

The invention is realized by the following technical scheme:

an automatic control method for boarding bridge comprises the following steps:

the method comprises the following steps: when no goods are loaded in the truck, the pedal is kept in a retracted state;

step two: when a truck enters a field for loading, in the process of parking the truck, after a truck compartment enters the detection range of a ranging radar, the ranging radar monitors the distance from the tail of the truck compartment in real time, transmits the measured data signal to a control system, converts the data signal into an electric signal by the control system and transmits the electric signal to a loudspeaker, and transmits distance information to a driver through the loudspeaker;

step three: when the distance measuring radar measures that the boxcar reaches the set parking distance, the control system informs the driver that the boxcar is parked in place through a loudspeaker;

step four: when the distance from the ranging radar to the tail of the boxcar is detected for a period of time continuously and has no change, judging that the boxcar is stopped stably, putting down a pedal to connect a loading platform and the boxcar, and starting loading;

step five: after the goods are loaded, the pedal is folded to wait for the next goods vehicle to enter the yard for loading.

And in the second step, when the distance between the distance measuring radar and the tail of the boxcar reaches a specific value, the control system informs the driver of the distance information through a loudspeaker.

Further, the specific values are 1m, 0.5m, 0.2m, 0.1m, 0 m.

In the second step, two distance measuring radars are arranged on two sides of the pedal, the two distance measuring radars respectively monitor the distance between the two distance measuring radars and the left side and the right side of the tail of the boxcar, and when the difference between the distance between the two sides of the tail of the boxcar is larger than a set value, the distance measuring radars inform a driver of the deviation information of the left side and the right side of the tail of the boxcar and inform the driver of turning left or right to adjust the direction; when the distance difference between the left side and the right side of the tail of the truck carriage is smaller than or equal to a set value, the driver is informed that the truck carriage is aligned through the loudspeaker, and the forklift can go straight in and go straight out when loading and unloading goods, so that the direction adjustment is avoided, and the goods loading and unloading efficiency is improved.

Further, the set value of the distance difference between the left side and the right side of the tail of the boxcar is 1 cm-15 cm.

In the fourth step, the continuous detection judgment time length for keeping the distance between the ranging radar and the tail of the wagon compartment unchanged is set to be 10 s-2 min, so that the wagon is ensured to be stopped stably.

In the fourth step, after the truck is judged to be stable, the following steps are carried out before the pedal is put down:

step four, firstly: the photoelectric switch arranged on the pedal judges whether the compartment door of the boxcar is opened in real time, if not, the step two is carried out, and if so, the pedal is put down;

step four and step two: and the control system informs the driver of opening the compartment door through a loudspeaker and returns to the step four.

Further, in the second step, if the control system notifies the driver that the car door needs to be opened through the speaker for multiple times, a time interval is set between two notifications, and the driver is given time to execute the action of opening the car door.

Further, the time interval is 10 s-5 min.

The invention has the beneficial effects that:

compared with the prior art, carry out real-time distance monitoring to boxcar afterbody through range radar, turn into sound information by the speaker and feed back to boxcar driver, the driver of being convenient for controls the distance of backing a car, and the boxcar is berthhed after the distance of setting for, and the footboard can be put down automatically, connects boxcar and loading platform, and the loading of being convenient for has saved the operating personnel who assists personnel and step on the axle of backing a car, has reduced personnel's configuration. When the footboard was packed up the state, whether the railway carriage or compartment door through photoelectric switch control boxcar has opened, ensured under the state that the railway carriage or compartment door has opened, just can put down the footboard, connect boxcar and loading platform, avoid footboard and railway carriage or compartment door collision to produce the loss, cooperation range finding radar can realize the full automated control of boarding axle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the pedal in a stowed position according to the present invention;

FIG. 3 is a view in the direction A of FIG. 2;

FIG. 4 is a schematic view of the pedal in the stowed position of the present invention;

fig. 5 is a view in the direction B-B in fig. 4.

In the figure: the method comprises the following steps of 1-loading platform, 2-pedal, 3-rotating shaft, 4-connecting rod, 5-cylinder, 6-ranging radar, 7-ear seat, 8-photoelectric switch, 9-ribbed plate and 10-limiting inclined plane.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 to 5, an on-board bridge, set up at the 1 edge of loading platform, including footboard 2, pivot 3, connecting rod 4, cylinder 5 and range radar 6, the one end of footboard 2 is connected with loading platform 1 is articulated through pivot 3, footboard 2 and 3 fixed connection of pivot, 3 one end fixedly connected with connecting rod 4 of pivot, the one end of connecting rod 4 is articulated with the tailpiece of the piston rod portion of cylinder 5, 5 cylinder bottom one end of cylinder is connected with loading platform 1 is articulated, the flexible control footboard 2 of the piston rod of cylinder 5 rotates, be provided with control system on loading platform 1, control system passes through the atmospheric pressure in solenoid valve control cylinder 5, and then control footboard 2 rotates. Ranging radar 6 sets up on loading platform 1, ranging radar 6 is facing to the region of berthing of boxcar, ranging radar 6 inserts the control system of loading platform 1, the control system output is connected with the speaker, during the loading, the in-process that the boxcar backed a car and berths loading platform 1, ranging radar 6 carries out real-time distance monitoring to boxcar afterbody, monitored data turns into the signal of telecommunication through control system simultaneously, turn into the sound information feedback to the boxcar driver by the speaker.

For the convenience of maintenance, loading platform 1 edge is provided with ear seat 7, and the one end of footboard 2 is articulated with ear seat 7 through pivot 3, and range radar 6 sets up on ear seat 7 for whole rotating-structure stretches out loading platform 1, reduces to shelter from.

Before the loading, the freight train is when waiting in line to load, and the freight train driver can open the carriage railway carriage or compartment door in advance, but the existence forgets to open the railway carriage or compartment door is unfixed, closes the condition again during the removal, to this type of condition, when 2 levels on the footboard are placed, the lower terminal surface of footboard 2 is provided with photoelectric switch 8, and when 2 state of packing up on footboard, whether photoelectric switch 8 can monitor the railway carriage or compartment door of freight train carriage has opened, ensures under the state that the railway carriage or compartment door has opened, just can put down footboard 2, connects freight train carriage and loading platform, avoids footboard 2 and railway carriage or compartment door collision to produce the loss, cooperation range radar 6 can realize the full automated control of loading on the axle.

In this embodiment, 2 quantity of footboard are two, and the width of footboard 2 is greater than loading fork truck's wheel width, and two footboards 2 are provided with photoelectric switch 8 respectively, and to the door of folio van, two photoelectric switches 8 can monitor the state of two railway carriage or compartment doors respectively, ensure that two railway carriage or compartment doors all have opened, just can put down footboard 2.

The lower end face of the pedal 2 is provided with a ribbed plate 9, so that the strength of the pedal 2 is ensured.

When 2 levels of footboard were placed, 2 tip that press close to the loading platform 1 of footboard were provided with spacing inclined plane 10, highly be less than the loading platform 1 height when boxcar, and the difference in height is great, and when footboard 2 rotated, spacing inclined plane 10 will support and lean on and live loading platform 1, and the biggest corner of restriction footboard 2 protects cylinder 5.

An automatic control method based on the dock leveler comprises the following steps:

the method comprises the following steps: when the truck is not loaded, the air cylinder 5 drives the pedal 2 to rotate upwards to keep the pedal 2 in a vertical state, namely the pedal 2 is in a retracted state, as shown in fig. 2;

step two: when a truck enters a field for loading, in the process of parking the truck, after a truck compartment enters the detection range of a ranging radar, the ranging radar monitors the distance from the tail of the truck compartment in real time, transmits the measured data signal to a control system, converts the data signal into an electric signal by the control system and transmits the electric signal to a loudspeaker, and transmits distance information to a driver through the loudspeaker;

step three: when the distance measuring radar measures that the boxcar reaches the set parking distance, the control system informs the driver that the boxcar is parked in place through a loudspeaker;

step four: when the distance from the ranging radar to the tail of the boxcar is detected for a period of time continuously and has no change, judging that the boxcar is stopped stably, putting down a pedal to connect a loading platform and the boxcar, and starting loading;

step five: after the goods are loaded, the pedal is folded to wait for the next goods vehicle to enter the yard for loading.

And in the second step, when the distance between the distance measuring radar and the tail of the boxcar reaches a specific value, the control system informs the driver of the distance information through a loudspeaker.

Further, the specific values are 1m, 0.5m, 0.2m, 0.1m, 0 m.

In the second step, two distance measuring radars are arranged on two sides of the pedal, the two distance measuring radars respectively monitor the distance between the two distance measuring radars and the left side and the right side of the tail of the boxcar, and when the difference between the distance between the two sides of the tail of the boxcar is larger than a set value, the distance measuring radars inform a driver of the deviation information of the left side and the right side of the tail of the boxcar and inform the driver of turning left or right to adjust the direction; when the distance difference between the left side and the right side of the tail of the truck carriage is smaller than or equal to a set value, the driver is informed that the truck carriage is aligned through the loudspeaker, and the forklift can go straight in and go straight out when loading and unloading goods, so that the direction adjustment is avoided, and the goods loading and unloading efficiency is improved.

Further, the set value of the distance difference between the left side and the right side of the tail of the boxcar is 1 cm-15 cm, and in the embodiment, the set value is 5 cm.

In the fourth step, the continuous detection judgment time length for keeping the distance between the ranging radar and the tail of the boxcar unchanged is set to be 10 s-2 min, so that the boxcar is guaranteed to be stable, and the continuous detection judgment time length is set to be 30s in the embodiment.

In the fourth step, after the truck is judged to be stable, the following steps are carried out before the pedal is put down:

step four, firstly: the photoelectric switch arranged on the pedal judges whether the compartment door of the boxcar is opened in real time, if not, the step two is carried out, and if so, the pedal is put down;

step four and step two: and the control system informs the driver of opening the compartment door through a loudspeaker and returns to the step four.

Further, in the second step, if the control system notifies the driver that the car door needs to be opened through the speaker for multiple times, a time interval is set between two notifications.

Further, the time interval is 10s to 5min, and is set to 30s in the embodiment.

According to the automatic control method of the boarding bridge, provided by the invention, the distance at the tail part of the wagon carriage is monitored in real time through the ranging radar, the distance is converted into sound information by the loudspeaker and fed back to a wagon driver, so that the driver can conveniently control the backing distance, after the wagon is parked at the set distance, the pedal can be automatically put down to connect the wagon carriage with the loading platform, the loading is convenient, backing assisting personnel and the operating personnel of the boarding bridge are saved, and the personnel configuration is reduced. When the footboard was packed up the state, whether the railway carriage or compartment door through photoelectric switch control boxcar has opened, ensured under the state that the railway carriage or compartment door has opened, just can put down the footboard, connect boxcar and loading platform, avoid footboard and railway carriage or compartment door collision to produce the loss, cooperation range finding radar can realize the full automated control of boarding axle.