CN218754657U - Container portal crane alarm system for handling collision of working vehicles - Google Patents

Abstract

The utility model relates to a harbour hoisting equipment technical field specifically discloses a container gantry crane alarm system of reply operating vehicle collision, be applied to including cart running gear, drive cart running gear's cart motor, the dolly assembly, the dolly motor of drive dolly assembly, hoisting accessory and drive hoisting accessory's hoist on the hoist of hoisting accessory's motor, this alarm system includes logic circuit control module and carries out electric connection's 3D laser scanner with logic circuit control module, this alarm system still includes audible alarm ware and three encoder, three encoder carries out synchronous mechanical connection with cart motor, hoisting accessory respectively, logic circuit control module carries out electric connection with audible alarm ware, three encoder respectively. The utility model discloses reduce the crane in the operation in-process container vehicle collision incident's emergence probability, reduced the input of artifical control and early warning.

Description

Container portal crane alarm system for handling collision of working vehicles

Technical Field

The utility model relates to a harbour hoisting equipment technical field, concretely relates to answer gantry container crane alarm system of working vehicle collision.

Background

In the prior art, as shown in fig. 3, a conventional crane includes a box beam bridge 1, a cart running mechanism 2 and a trolley assembly 3, wherein fixed supports 4 are disposed at two ends of the box beam bridge 1, the cart running mechanism 2 is disposed on the fixed supports 4, a trolley running track 5 is disposed at an upper end of the box beam bridge 1, the trolley assembly 3 is disposed on the trolley running track 5, a plurality of lifting devices 6 are disposed on the trolley assembly 3, and lower ends of the lifting devices 6 are connected with lifting hooks 7.

Corresponding defect exists in traditional hoist design, including the peripheral environment that lacks a dynamic alarm device of hoist operation, the operating mode of the clear understanding operation of truck driver's failure leads to whole loading and unloading operation to carry out the vehicle removal unfinished, and wire rope can correspondingly draw and drag, receives wearing and tearing deformation, increases the risk of incident. In the working process, the crane operation time is long, a trailer driver waits for the crane operation for a long time, the crane operation state at that time is ignored, the working condition that the lifting appliance is unlocked and locked can be ignored, the truck driver carries out vehicle movement under the condition that the lifting appliance is not unlocked, serious lifting accidents can be caused once abnormal conditions occur, and great potential safety hazards exist. Therefore, the crane equipment can only guide field personnel and driver truck positioning through personnel shouting, field operation conditions cannot be fed back in real time better, and the crane needs to prevent falling objects from falling from the air and damage to operating personnel caused by mechanical collision during loading and unloading operation. For example, when the lifting appliance descends on a lane and there is a collision danger to the lower vehicle and the operators, the lower vehicle and the operators need to be warned by manual voice to pay attention to safety. When the crane passes through the crossing, the crane needs manual voice to warn surrounding vehicles and operators to avoid.

The Chinese utility model patent with application number 202020436062.8 discloses an automatic container landing system on a container truck lane based on laser, which comprises a controller, a 3D laser scanner, an industrial personal computer and an LED display screen, wherein the 3D laser scanner, the industrial personal computer and the LED display screen are respectively connected with the controller, the industrial personal computer is connected with the 3D laser scanner, and the controller is connected with a cart PLC control system; the large vehicle PLC control system sends the information of the operation lane to the controller, and the controller sends an instruction to drive the motor to drive the 3D laser scanner to rotate to the corresponding operation lane, so that the laser scanner is always parallel to the scanning direction of the operation lane and can scan the center of the operation lane; after the collection truck enters an operation lane, the 3D laser scanner sends the scanned collection truck center section profile data pair to the controller, and the controller calculates the collection truck alignment information and sends the collection truck alignment information to the LED display screen; after the alignment of the collection truck is completed, the controller sends an instruction to drive the motor to drive the 3D laser scanner to completely scan the outline of the collection truck, the 3D laser scanner continuously sends scanned 3D point cloud data to the industrial personal computer, and the industrial personal computer calculates the three-dimensional positioning information of the collection truck and sends the three-dimensional positioning information to the controller; the controller sends an instruction to the PLC control system of the cart, so that the lifting appliance and the trolley move to the upper part of the container truck, the posture of the lifting appliance is adjusted, and the container grabbing and releasing operation of the container truck is completed. In the prior art, the 3D laser scanner acquires profile data of a container truck, compares the profile data with pre-stored profile data, calculates three-dimensional positioning, and calculates collection card guide data, and the 3D laser scanner immediately outputs a control electric signal after satisfying a confirmation condition. However, the technical scheme does not form an integrated operation coordination system with the crane, and still needs to rely on manpower to prevent the occurrence of the collision event of the working vehicle.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a container gantry crane alarm system for handling a working vehicle collision to solve the technical problem of how to perform a coordinated alarm on a working vehicle collision event by a crane in the background art, so as to reduce the occurrence probability of the working vehicle collision event and reduce the investment of manual monitoring and early warning.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a container gantry crane alarm system who deals with operating vehicle collision is applied to including the crane of cart running gear, the cart motor of drive cart running gear, the dolly assembly, the dolly motor of drive dolly assembly, hoisting accessory and the hoisting accessory's hoist, this alarm system includes logic circuit control module and carries out the 3D laser scanner of electric connection with logic circuit control module, this alarm system still includes audible alarm and three encoder, three encoder carries out synchronous mechanical connection with cart motor, hoisting accessory respectively, logic circuit control module carries out electric connection with audible alarm, three encoder respectively;

the encoder is used for detecting the action state of a corresponding motor connected with the encoder so as to generate a corresponding pulse signal;

the sound alarm is used for generating alarm sound;

the 3D laser scanner is used for detecting the profile of the working vehicle based on the existing parameter setting mode so as to generate a switching value signal;

the logic circuit control module is used for obtaining four switching value signals based on the existing logic control circuit so as to enable the sound alarm to be powered on.

The beneficial effects of the utility model are that:

the utility model discloses reduced the crane at the emergence probability of operation in-process container vehicle collision incident, reduced the input of artifical control and early warning, improved the security and the crane production efficiency of hoist loading and unloading operation environment, kept the good running state of complete machine of crane. The crane is positioned by the encoder, and the positions of all mechanisms of the crane are detected in real time, so that safety control is realized. The crane is transported through the instant accident alarm, so that the condition that the hoisting safety accident is not standard in the loading and unloading operation process, the personnel injury and the equipment loss are caused can be avoided, and the risk of the occurrence of the casualty accident caused by the collision of the crane and the vehicle when the crane passes through the crossing is reduced. The utility model discloses based on complete machine mechanical structure and electrical arrangement combination mode, the installation and debugging of being convenient for are maintained, and reduce cost avoids appearing unnecessary equipment and human input. The utility model discloses when the hoist descends in the lane with the hoist when the crossroad, there is the striking dangerous to below vehicle and operation personnel, accurately reports to the police through audible alarm ware, 3D laser scanner and encoder and reminds below vehicle and operation personnel to notice safety.

Drawings

Fig. 1 is a structural schematic diagram of a gantry container crane alarm system for handling collision of a working vehicle according to the present invention;

fig. 2 is a schematic structural diagram of a logic circuit control module according to embodiment 2 of the present invention;

FIG. 3 is a schematic diagram of a conventional crane in the background of the specification;

description of reference numerals:

a contactor KM; normally open intermediate relays K1, K2, K3, K4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are combined below to describe the technical solutions of the present invention clearly and completely. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

The terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, the definitions of "first", "second", "third" and "fourth" features may explicitly or implicitly include one or more of such features.

Example 1

As shown in fig. 1, a gantry container crane alarm system for handling collision of a working vehicle is applied to a crane, wherein the crane comprises a cart running mechanism (the mechanical structure of the cart running mechanism is shown as sequence number 2 in fig. 3), a cart motor for driving the cart running mechanism, a trolley assembly (the mechanical structure of the trolley assembly is shown as sequence number 3 in fig. 3), a trolley motor for driving the trolley assembly, a hoisting device (the mechanical structure of the hoisting device is shown as sequence number 6 in fig. 3), and a hoisting motor for driving the hoisting device, the alarm system comprises a logic circuit control module and a 3D laser scanner electrically connected with the logic circuit control module, the alarm system further comprises a sound alarm and three encoders, the three encoders are respectively and synchronously and mechanically connected with the trolley motor, the cart motor and the hoisting motor, and the logic circuit control module is respectively and electrically connected with the sound alarm and the three encoders;

the logic circuit control module is a PLC controller.

Specifically, the sound alarm is a voice player and is used for playing the dynamic operation condition of the crane and the alignment information of the truck collecting vehicle and prompting personnel around the crane operation and a truck collecting driver to pay attention to the field condition.

Specifically, the 3D laser scanner adopts the laser scanner based on the laser imaging principle existing in the supply chain market, and the parameter settings thereof are prior art, see product specifications and instruction manuals for details. The laser imaging principle is that a laser emitting component is used for emitting light rays to a certain field angle, meanwhile, a receiving component is used for receiving the light rays reflected back in the range, and the information (speed, distance, height, reflection intensity and the like) of a reflection point is directly calculated or deduced by utilizing the known and obtained related information of the emitted light rays and the reflected light rays. The crane is installed a 3D laser scanner in lane side, and 3D laser scanner scans along container truck motion traffic direction, and the container truck profile data that the laser scanner scanned are collected to 3D laser scanner's product system, and compare with the profile data that prestores, input switching value signal in real time.

Example 2

As shown in fig. 1-2, a container gantry crane alarm system for handling collision of a working vehicle is applied to a crane, the crane comprises a cart running mechanism (the mechanical structure of the cart running mechanism is shown as serial number 2 in fig. 3), a cart motor for driving the cart running mechanism, a trolley assembly (the mechanical structure of the trolley assembly is shown as serial number 3 in fig. 3), a trolley motor for driving the trolley assembly, a hoisting device (the mechanical structure of the hoisting device is shown as serial number 6 in fig. 3), and a hoisting motor for driving the hoisting device, the alarm system comprises a logic circuit control module and a 3D laser scanner electrically connected with the logic circuit control module, the alarm system further comprises an acoustic alarm and three encoders, the three encoders are respectively and synchronously and mechanically connected with the trolley motor, the cart motor and the hoisting motor, and the logic circuit control module is respectively and electrically connected with the acoustic alarm and the three encoders;

the logic circuit control module comprises an intermediate relay control circuit module and a multi-channel encoder card; three switching value output ports of the multi-channel encoder card are electrically connected with the intermediate relay control circuit module respectively; three pulse signal input ports of the multi-channel encoder card are respectively connected with three encoders;

the intermediate relay control circuit module comprises a contactor KM and four normally-open intermediate relays K1, K2, K3 and K4 which are connected in series; after the four normally-open intermediate relays K1, K2, K3 and K4 are powered on, the contactor KM is controlled to be powered on and closed; the attracted contactor KM controls the sound alarm to be powered on; the input ends of the four normally-open intermediate relays K1, K2, K3 and K4 are electrically connected with the switching value output port of the 3D laser scanner and the three switching value output ports of the multi-channel encoder card respectively.

Specifically, the multi-channel encoder card adopts an advanced 4-channel encoder card with a high-speed triggering function, the model of which is PCI-8124-C. The parameter setting method of the encoder card is the prior art, and description thereof is omitted here, and reference may be made to the specification of "method, apparatus and terminal device for calculating absolute encoder parameter" of patent application No. CN201711421417.5, the "method for receiving absolute encoder data by an STM32 microcontroller" of patent application No. CN201811646009.4, the "encoder controller and configuration method" of patent application No. CN201610619971.3, and the product specification of the advanced 4-channel encoder card.

The utility model discloses a theory of operation:

thereby on the prior art basis of the pulse signal of logic circuit control module discernment a plurality of encoders judges machine action state, through carry out synchronous mechanical connection with dolly motor, cart motor, lift by crane the motor respectively with three encoders, carry out electric connection with logic circuit control module respectively with 3D laser scanner, audible alarm ware, through the electrical switch signal that physical connection and produce, realize the quick accurate audible alarm who acts on vehicle collision incident.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (4)

1. The utility model provides a deal with gantry container crane alarm system of working vehicle collision, be applied to including big car running gear, drive big car running gear's big car motor, dolly assembly, drive dolly assembly's dolly motor, hoisting accessory and drive hoisting accessory's hoist on the hoist of motor, this alarm system includes logic circuit control module and carries out electric connection's 3D laser scanner with logic circuit control module, a serial communication port, this alarm system still includes audible alarm and three encoder, three encoder carries out synchronous mechanical connection with dolly motor, big car motor, hoisting accessory respectively, logic circuit control module carries out electric connection with audible alarm, three encoder respectively.

2. The gantry container crane alarm system for handling a collision of a work vehicle as claimed in claim 1, wherein the logic circuit control module is a PLC controller.

3. The gantry container crane warning system for handling a collision of a work vehicle as claimed in claim 1, wherein the logic circuit control module comprises an intermediate relay control circuit module and a multi-channel encoder card; three switching value output ports of the multi-channel encoder card are electrically connected with the intermediate relay control circuit module respectively; three pulse signal input ports of the multi-channel encoder card are respectively connected with three encoders.

4. The gantry container crane alarm system for handling a work vehicle collision according to claim 3, wherein the intermediate relay control circuit module comprises a contactor and four normally open intermediate relays connected in series; after the four normally-open intermediate relays are electrified, the contactor is controlled to be electrified and closed; the actuated contactor controls the sound alarm to be powered on; the input ends of the four normally-open intermediate relays are electrically connected with the switching value output port of the 3D laser scanner and the three switching value output ports of the multi-channel encoder card respectively.

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