CN210084791U - Control system for preventing truck from being lifted and gate type tire crane capable of preventing truck from being lifted - Google Patents
Control system for preventing truck from being lifted and gate type tire crane capable of preventing truck from being lifted Download PDFInfo
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- CN210084791U CN210084791U CN201920979599.6U CN201920979599U CN210084791U CN 210084791 U CN210084791 U CN 210084791U CN 201920979599 U CN201920979599 U CN 201920979599U CN 210084791 U CN210084791 U CN 210084791U
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Abstract
The utility model discloses a control system for preventing the collection truck from being lifted, which comprises a collection truck lane arranged corresponding to a crane, and a line scanning laser sensor group which is arranged on the side of the collection truck lane and faces to the direction vertical to the driving direction of the collection truck lane; the line scanning laser sensor group consists of a first line scanning laser sensor and a second line scanning laser sensor which are sequentially arranged along the traveling direction of the truck collecting channel; the first line scanning laser sensor and the second line scanning laser sensor are both connected with a computer, and the computer is connected with a PLC (programmable logic controller) of the crane. The system can protect the collection trucks in various forms, prevent the collection trucks from being hoisted during the container unloading operation, avoid safety accidents and/or cause damage to related instruments, has the characteristic of wide application range, can judge the reason why the collection trucks are hoisted simultaneously, and is convenient for workers to remove faults. Correspondingly, the utility model also provides a can prevent the gate-type tire crane that the collection card hoisted.
Description
Technical Field
The utility model relates to a hoist field, in particular to collection truck prevents hoisting control system and can prevent the gate-type tire crane that collection truck hoisted.
Background
Containers are specialized equipment for the transportation of goods, and trucks (container trucks) are specialized trucks that transport containers. The container handling operation has its particularity, especially when the container handling operation is performed on a wharf yard, before the container is lifted by a crane, if the truck latch is not completely opened, the truck may be lifted together with the container, causing damage to the container and the truck, and even causing injury to a truck driver.
Therefore, when the container is unloaded, it is necessary to provide a collection truck anti-lifting control system, and after the collection truck is detected to be lifted, the operation is stopped, thereby avoiding the occurrence of a safety accident and/or the damage to the collection truck and the container.
Gantry tire cranes are common lifting machinery for container handling operations, and are typically equipped with a truck anti-pick-up safety system. However, the conventional method for preventing the truck from being hoisted is single-point laser and surface scanning laser ranging. The installation position of the laser probe in the single-point laser scheme is fixed, the data is the distance between the container and the laser probe, the height of a truck body of the truck cannot be measured, and for trucks with different height types, the protection parameters cannot be dynamically adjusted, so that the single-point laser scheme can only be suitable for trucks with several fixed height forms, and the application range is small. The surface scanning laser scheme has a transverse scanning scheme, but the surface scanning laser scheme still cannot adapt to various trucks, and the reason is the same as point laser. Therefore, it is necessary to develop a crane truck anti-lifting control system that can be applied to various types of trucks.
SUMMERY OF THE UTILITY MODEL
The utility model provides a control system is prevented hoisting by collection truck, this system can realize protecting the collection truck of multiple form, prevents that collection truck from being hoisted when the container unloads the operation, avoids taking place the incident and/or leads to relevant apparatus to damage, has the wide characteristics of application scope, can judge the reason that collection truck was hoisted simultaneously, makes things convenient for the staff to get rid of the trouble. Correspondingly, the utility model also provides a can prevent the gate-type tire crane that the collection card hoisted.
For a control system, the technical scheme of the application is as follows: the control system comprises a truck collecting lane and a line scanning laser sensor group, wherein the truck collecting lane is arranged corresponding to the crane, and the line scanning laser sensor group is arranged on the side of the truck collecting lane and faces to the direction vertical to the driving direction of the truck collecting lane; the line scanning laser sensor group consists of a first line scanning laser sensor and a second line scanning laser sensor which are sequentially arranged along the traveling direction of the truck collecting channel; the first line scanning laser sensor and the second line scanning laser sensor are installed at the same height, and are all 1.5-1.8 meters; the installation distance of the first line scanning laser sensor and the second line scanning laser sensor in the horizontal direction is 4.5-5 m; the first line scanning laser sensor and the second line scanning laser sensor are both connected with a computer, and the computer is connected with a PLC (programmable logic controller) of the crane.
Compared with the prior art, the system for controlling the collection truck to prevent lifting adopts the line scanning laser sensor group consisting of two line scanning laser sensors arranged at specific positions to detect the positions of the container and the collection truck, and because the scanning is carried out perpendicular to the side surfaces of the container and the collection truck, the container and the vehicle body angular points can be identified according to real-time feedback data in the lifting operation, and the vehicle body height can be judged, so that the system can be suitable for collection trucks in various forms, and has the characteristics of reliable data acquisition and wide application range; the data collected by the line scanning laser sensor is processed through the computer, when the displacement of the truck body in the vertical direction is larger than a certain threshold value, the PLC controls the crane to stop rising and gives an alarm to prompt the truck to be hoisted, the safety is good, the fault type (the reason for hoisting) can be judged according to the hoisting state of the truck, the worker can be prompted, and the fault removal is facilitated.
As an optimization, in the above-mentioned pick-up truck anti-lifting control system: the mounting height of the first line scanning laser sensor and the mounting height of the second line scanning laser sensor are 1.7 meters, and the mounting distance of the first line scanning laser sensor and the second line scanning laser sensor in the horizontal direction is 4.8 meters. Trial shows that the mounting height and the distance can be suitable for various types of trucks, and the practical application effect is good.
As an optimization, in the above-mentioned pick-up truck anti-lifting control system: and the first line scanning laser sensor and the second line scanning laser sensor are covered by a rain cover. The design of rain-proof cover can prevent that first line scanning laser sensor and second line scanning laser sensor from being drenched by the rain, plays the effect that prolongs sensor life-span.
For a tire crane, the scheme of the application is as follows: the portal tyre crane can prevent the truck from being lifted, and comprises a steel frame, wherein a computer is arranged on the steel frame and is connected with a PLC (programmable logic controller); the gantry tyre crane further comprises two groups of line scanning laser sensor groups which are respectively arranged at two sides of the steel frame and face the hoisting operation area; the line scanning laser sensor group consists of a first line scanning laser sensor and a second line scanning laser sensor; the first line scanning laser sensor and the second line scanning laser sensor are installed at the same height, and are all 1.5-1.8 meters; the installation distance of the first line scanning laser sensor and the second line scanning laser sensor in the horizontal direction is 4.5-5 m; and the first line scanning laser sensor and the second line scanning laser sensor are both connected with a computer.
Compared with the prior art, the utility model discloses a can prevent that collection card from having the gate-type tire hoist that lifts by crane has following progress: the positions of the truck parked on the truck collecting lane and the container loaded on the truck collecting lane are detected by two groups of line scanning laser sensor groups which are respectively arranged on two sides of the steel frame and face the hoisting operation area, so that the system can be suitable for various types of truck collecting, and has the characteristics of reliable data acquisition and wide application range; the data collected by the line scanning laser sensor is processed through the computer, when the displacement of the truck body in the vertical direction is larger than a certain threshold value, the PLC controls the crane to stop rising and gives an alarm to prompt the truck to be hoisted, the safety is good, the fault type can be judged according to the hoisting state of the truck, the prompt is given to the staff, and the fault removal is convenient.
As an optimization, in the door type tire crane capable of preventing the truck crane from lifting: the mounting height of the first line scanning laser sensor and the mounting height of the second line scanning laser sensor are 1.7 meters, and the mounting distance of the first line scanning laser sensor and the second line scanning laser sensor in the horizontal direction is 4.8 meters. Trial shows that the mounting height and the distance can be suitable for various types of trucks, and the practical application effect is good.
As an optimization, in the door type tire crane capable of preventing the truck crane from lifting: the first line scanning laser sensor and the second line scanning laser sensor are arranged on the bracket and detachably connected with the bracket; the support is fixed on the steel frame. The structure can be installed in various conventional tyre cranes, the upgrading and transformation of the safety system of the tyre crane are realized, the structure has the characteristic of easy implementation, and the line scanning laser sensor is convenient to disassemble and assemble and is convenient for later maintenance.
As an optimization, in the door type tire crane capable of preventing the truck crane from lifting: be equipped with the rain-proof cover that is used for protecting first line scanning laser sensor and second line scanning laser sensor on the support. Set up the rain-proof cover that is used for protecting first line scanning laser sensor and second line scanning laser sensor on the support, can prolong the life of sensor.
Drawings
FIG. 1 is a schematic structural view of a gantry type tire crane capable of preventing a truck from being lifted according to the present invention;
FIG. 2 is a schematic view of the loading/unloading operation state of the gantry type tire crane of the present invention for preventing the truck from being lifted;
fig. 3 is an electrical schematic diagram of the anti-lifting control system of the truck collection of the present invention;
FIG. 4 is a schematic diagram of the detection of the anti-lifting control system of the truck of the present invention in the state that the truck hub twistlock is fully opened;
FIG. 5 is a schematic diagram of the detection of the anti-lifting control system of the truck of the present invention in a locking state of the truck hub twistlock;
fig. 6 is a schematic diagram of the detection of the anti-lifting control system of the truck collection of the present invention in a state where neither of the two twistlocks close to the group line scanning laser sensor group is opened in the length direction of the truck collection;
fig. 7 is a schematic diagram of the detection of the anti-lifting control system of the truck collection of the present invention in a state where neither of the two twistlocks farther from the group line scanning laser sensor group in the length direction of the truck collection is open;
fig. 8 is a schematic diagram of the detection of the anti-lifting control system of the truck collection of the present invention in the state that two twistlocks at the front part of the truck collection are not opened;
fig. 9 is a schematic diagram of the detection of the anti-lifting control system of the truck collection of the present invention in a state that two twistlocks at the rear of the truck collection are not opened;
fig. 10 is a schematic diagram of the detection of the anti-pick-up control system of the present invention in a state where the twistlocks on at least one diagonal are not opened.
The labels in the figures are: 1-a line scanning laser sensor group, 11-a first line scanning laser sensor and 12-a second line scanning laser sensor; 2-a computer; 3-a PLC controller; 4-rain cover; 5-a frame; 6-bracket, 7-container, 8-collection truck, 9-sling.
Detailed Description
The present invention will be further described with reference to the drawings and the detailed description (examples), but the present invention is not limited thereto.
Referring to fig. 1-3, the portal tire crane capable of preventing the elevator from being lifted comprises a steel frame 5, a computer 2 is arranged on the steel frame 5, and the computer 2 is connected with a PLC controller 3; the lifting operation system also comprises two groups of line scanning laser sensor groups 1 which are respectively arranged at two sides of the steel frame 5 and face the lifting operation area; the line scanning laser sensor group 1 is composed of a first line scanning laser sensor 11 and a second line scanning laser sensor 12; the first line scanning laser sensor 11 and the second line scanning laser sensor 12 are installed at the same height, and are all 1.5-1.8 meters; the installation distance of the first line scanning laser sensor 11 and the second line scanning laser sensor 12 in the horizontal direction is 4.5-5 m; the first line scanning laser sensor 11 and the second line scanning laser sensor 12 are both connected to the computer 2.
As a specific example: the installation height of the first line scanning laser sensor 11 and the second line scanning laser sensor 12 is 1.7 meters, and the installation distance of the first line scanning laser sensor 11 and the second line scanning laser sensor 12 in the horizontal direction is 4.8 meters. The first line scanning laser sensor 11 and the second line scanning laser sensor 12 are mounted on the bracket 6 and detachably connected with the bracket 6; the bracket 6 is fixed on the steel frame 5. And a rainproof cover 4 for protecting the first line scanning laser sensor 11 and the second line scanning laser sensor 12 is arranged on the bracket 6.
Referring to fig. 4-8, during operation, the first line scanning laser sensor 11 and the second line scanning laser sensor 12 detect the position of the container 7 and the chassis of the collection truck 8 in real time, and transmit the collected data to the computer 2, the computer 2 analyzes the received data, after the displacement of the collection truck 8 reaches a certain threshold value, an instruction is issued to the PLC controller 3, the PLC controller 3 controls the lifting appliance 9 of the tire crane to stop working, and an alarm is given, and a fault type is prompted (the fault type can be output through a display screen connected with the PLC controller 3).
After the container 7 is lifted, the relative positions of the container 7 and the collection truck 8 are the same as 7, and the computer 2 determines whether the collection truck 7 is lifted and the type of failure (i.e., where the collection truck lock is not opened) from these 7 cases as follows:
(1) referring to fig. 4, if the truck twistlocks are all opened, the container 7 is lifted by the spreader, the distances D1 and D2 between the container 7 and the frame detected by the first line scanning laser sensor 11 and the second line scanning laser sensor 12 are substantially the same, and the detected distance between the frame and the ground is not changed;
(2) referring to fig. 5, when the container 7 is lifted up during the ship unloading operation, a twist lock may be locked; at this time, the truck 8 is also lifted at an angle, and if the lifting appliance 9 is pulled upwards again, the truck is likely to tip over, which is very dangerous; in this case, there is a difference between D1 and D2;
(3) referring to fig. 6, if neither of the twistlocks close to the line-scanning laser sensor group 1 in the longitudinal direction is opened, the collection truck 8 will be tilted to one side by the container 7; meanwhile, the truck frame ground-to-ground distance changes when one side of the truck 8 is lifted, and the truck frame ground-to-ground distances H1 and H2 detected by the first line scanning laser sensor 11 and the second line scanning laser sensor 12 are basically the same;
(4) referring to fig. 7, if both the twistlocks farther from the line-scanning laser sensor group 1 in the length direction are not opened, as compared to the case (3), the dump truck 8 is tilted to the other side; at this time, the truck collecting frame is just inclined to form an inclined line, whether the truck collecting rotary lock is not opened can be identified by judging the inclined angles T1 and T2 of the inclined line, and the truck collecting rotary lock is not opened;
(5) referring to fig. 8, the two twistlocks on the front of the collection truck 8, when not opened, cause the front side of the collection truck 8 to lift up. The clearance difference between the distance D1 between the container 7 and the truck collecting frame measured by the line laser scanning sensor at the front part and the clearance D2 between the container and the truck collecting frame measured by the line laser scanning sensor at the rear part is larger than a set value (for example: 4cm), and the change of the ground clearance of the truck collecting frame at the front side is detected;
(6) referring to fig. 9, when the two twistlocks at the rear of the collection truck 8 are not opened, the situation is similar to that in case (5), except that when the container is raised, the rear of the collection truck 8 is brought up first; at this time, the difference between D1 and D2 is almost the same as that in the case (5), and the change of the ground clearance at the rear part of the truck frame can be detected;
(7) referring to fig. 10, the last situation is that the entire body is lifted, which is caused by the fact that at least one diagonal spin lock is not opened; when the trucks 8 are hoisted together, the laser scanners at the front and rear can detect that the truck frame is varying in both the distances H1 and H2 from the ground, and that H1 and H2 are substantially the same.
Referring to fig. 2 and 3, the system for controlling the collection truck to prevent lifting comprises a truck collection lane corresponding to the crane, and a line scanning laser sensor group 1 which is arranged on the side of the truck collection lane and faces the direction perpendicular to the driving direction of the truck collection lane; the line scanning laser sensor group 1 is composed of a first line scanning laser sensor 11 and a second line scanning laser sensor 12 which are sequentially arranged along the traveling direction of the truck collecting channel; the first line scanning laser sensor 11 and the second line scanning laser sensor 12 are installed at the same height, and are all 1.5-1.8 meters; the installation distance of the first line scanning laser sensor 11 and the second line scanning laser sensor 12 in the horizontal direction is 4.5-5 m; the first line scanning laser sensor 11 and the second line scanning laser sensor 12 are both connected with the computer 2, and the computer 2 is connected with the PLC 3 of the crane. The line scanning laser sensor group 1 can be installed on a crane or fixed on the ground through a bracket.
As a specific example: the installation height of the first line scanning laser sensor 11 and the second line scanning laser sensor 12 is 1.7 meters, and the installation distance of the first line scanning laser sensor 11 and the second line scanning laser sensor 12 in the horizontal direction is 4.8 meters. The first line scanning laser sensor 11 and the second line scanning laser sensor 12 are covered by a rain cover 4.
The above general description of the invention and the description of the specific embodiments thereof, as referred to in this application, should not be construed as limiting the technical solutions of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the protection scope of the present application according to the disclosure of the present application without departing from the structural elements of the present invention.
Claims (7)
1. Collection truck prevents hoisting control system, its characterized in that: the system comprises a card collecting lane arranged corresponding to a crane, and a line scanning laser sensor group (1) which is arranged on the side of the card collecting lane and faces to the direction vertical to the driving direction of the card collecting lane; the line scanning laser sensor group (1) is composed of a first line scanning laser sensor (11) and a second line scanning laser sensor (12) which are sequentially arranged along the traveling direction of the truck collecting channel; the first line scanning laser sensor (11) and the second line scanning laser sensor (12) are installed at the same height, and are all 1.5-1.8 meters; the installation distance between the first line scanning laser sensor (11) and the second line scanning laser sensor (12) in the horizontal direction is 4.5-5 m; the first line scanning laser sensor (11) and the second line scanning laser sensor (12) are connected with the computer (2), and the computer (2) is connected with the PLC (3) of the crane.
2. The dump truck anti-lift control system according to claim 1, wherein: the mounting height of the first line scanning laser sensor (11) and the second line scanning laser sensor (12) is 1.7 meters, and the mounting distance of the first line scanning laser sensor (11) and the second line scanning laser sensor (12) in the horizontal direction is 4.8 meters.
3. The dump truck anti-lifting control system according to claim 1 or 2, characterized in that: and the first line scanning laser sensor (11) and the second line scanning laser sensor (12) are covered by a rainproof cover (4).
4. The portal type tire crane capable of preventing the truck from being lifted comprises a steel frame (5), wherein a computer (2) is arranged on the steel frame (5), and the computer (2) is connected with a PLC (programmable logic controller) (3); the method is characterized in that: the gantry tyre crane further comprises two groups of line scanning laser sensor groups (1) which are respectively arranged on two sides of the steel frame (5) and face the hoisting operation area; the line scanning laser sensor group (1) is composed of a first line scanning laser sensor (11) and a second line scanning laser sensor (12); the first line scanning laser sensor (11) and the second line scanning laser sensor (12) are installed at the same height, and are all 1.5-1.8 meters; the installation distance between the first line scanning laser sensor (11) and the second line scanning laser sensor (12) in the horizontal direction is 4.5-5 m; the first line scanning laser sensor (11) and the second line scanning laser sensor (12) are both connected with the computer (2).
5. The gantry tire crane of claim 4, wherein: the mounting height of the first line scanning laser sensor (11) and the second line scanning laser sensor (12) is 1.7 meters, and the mounting distance of the first line scanning laser sensor (11) and the second line scanning laser sensor (12) in the horizontal direction is 4.8 meters.
6. A truck sling preventable gate-type tyre sling according to claim 4 or 5, wherein: the first line scanning laser sensor (11) and the second line scanning laser sensor (12) are arranged on the bracket (6) and detachably connected with the bracket (6); the support (6) is fixed on the steel frame (5).
7. The gantry crane according to claim 6, wherein: be equipped with rain-proof cover (4) that are used for protecting first line scanning laser sensor (11) and second line scanning laser sensor (12) on support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979599.6U CN210084791U (en) | 2019-06-27 | 2019-06-27 | Control system for preventing truck from being lifted and gate type tire crane capable of preventing truck from being lifted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979599.6U CN210084791U (en) | 2019-06-27 | 2019-06-27 | Control system for preventing truck from being lifted and gate type tire crane capable of preventing truck from being lifted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210084791U true CN210084791U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920979599.6U Active CN210084791U (en) | 2019-06-27 | 2019-06-27 | Control system for preventing truck from being lifted and gate type tire crane capable of preventing truck from being lifted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210084791U (en) |
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2019
- 2019-06-27 CN CN201920979599.6U patent/CN210084791U/en active Active
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