Gantry crane anti-collision system

Abstract

The application relates to the ship manufacturing technical field, in particular to a gantry crane anti-collision system, which comprises two gantry cranes, a first anti-collision component, a second anti-collision component, a third anti-collision component and a fourth anti-collision component, wherein, along a first preset direction, a first moving device of the first gantry crane and / or a third moving device of the second gantry crane is provided with the first anti-collision component; along a second preset direction, the first moving device and / or the third moving device is provided with the second anti-collision component; along the first preset direction, a second moving device of the first gantry crane and / or a third moving device of the second gantry crane is provided with the third anti-collision component; along the second preset direction, the second moving device and / or the third moving device is provided with the fourth anti-collision component. It can be seen that the system can effectively avoid the collision between the upper trolley and the lower trolley, improve the safety and reliability, and ensure the continuity of production.

Description

Technical Field

[0001] This application relates to the field of shipbuilding technology, and in particular to a collision avoidance system for a gantry crane. Background Technology

[0002] Large gantry cranes are crucial equipment in shipbuilding enterprises. The structure of a gantry crane mainly consists of five parts: the gantry crane beam, rigid legs, flexible legs, upper trolley, lower trolley, and traveling mechanism. The gantry crane travels longitudinally via tracks laid on the ground. The upper and lower trolleys on the upper part of the gantry crane beam can move laterally via two sets of tracks laid on the beam, driving the lifted materials to move forward, backward, left, and right. In addition, the lower trolley can travel inside the upper trolley to complete the function of turning over the lifted materials.

[0003] Currently, gantry cranes are often used in parallel with two gantry cranes on different tracks. Along the direction of trolley movement, the upper trolley of one gantry crane has a projected overlap area with the upper trolley of the other gantry crane, which is an interference area. Similarly, the lower trolley of one gantry crane has a projected overlap area with the upper trolley of the other gantry crane, which is also an interference area. This can lead to collisions between the two upper trolleys, the lower trolley, and the upper trolley of the other gantry crane. Summary of the Invention

[0004] The purpose of this application is to provide a collision avoidance system for gantry cranes, which to a certain extent solves the technical problem in the existing technology that currently, gantry cranes are often used in parallel with two gantry cranes on different tracks, which leads to collisions between the trolley parts of the two gantry cranes.

[0005] This application provides a gantry crane anti-collision system, including: a first gantry crane, a second gantry crane, a first anti-collision component, a second anti-collision component, a third anti-collision component, and a fourth anti-collision component; wherein, the first gantry crane includes a first crossbeam, a first moving device, and a second moving device, and the first moving device and the second moving device are both disposed on the first crossbeam and are both capable of moving in the same direction along a first preset direction or a second preset direction; the first moving device forms a first channel extending through both sides of it along the first preset direction, and the second moving device is capable of moving along the first channel;

[0006] The second gantry crane includes a second crossbeam, a third moving device, and a fourth moving device. The third moving device and the fourth moving device are both disposed on the second crossbeam and can move in the same direction along the first preset direction or the second preset direction. The third moving device forms a second channel that runs through both sides of it along the first preset direction, and the fourth moving device can move along the second channel.

[0007] Along a first preset direction, at least one of the adjacent sides of the first moving device and the third moving device, and at least one of the opposing sides of the first moving device and the third moving device, are provided with the first anti-collision member; along a second preset direction, at least one of the adjacent sides of the first moving device and the third moving device is provided with the second anti-collision member.

[0008] Along the first preset direction, at least one of the adjacent sides of the second moving device and the third moving device, and at least one of the opposing sides of the second moving device and the third moving device, are provided with the third anti-collision member; along the second preset direction, at least one of the adjacent sides of the second moving device and the third moving device is provided with the fourth anti-collision member.

[0009] In the above technical solution, the first gantry crane further includes a first rigid leg and a first flexible leg, and along the first preset direction, the first rigid leg and the first flexible leg are respectively disposed at both ends of the first crossbeam.

[0010] In any of the above technical solutions, the gantry crane anti-collision system further includes a first scanner, which is disposed on the first crossbeam and maintains a first preset distance from the first rigid leg.

[0011] In any of the above technical solutions, the gantry crane anti-collision system further includes a second scanner, which is disposed on the first crossbeam and maintains a second preset distance from the first flexible leg.

[0012] In any of the above technical solutions, the gantry crane anti-collision system further includes a first anti-collision buffer component and a first anti-collision rangefinder, and the first anti-collision buffer component and the first anti-collision rangefinder are provided on opposite sides of the first rigid leg and the first flexible leg along the second preset direction.

[0013] In any of the above technical solutions, the first gantry crane further includes a first traveling wheel mechanism, a plurality of first limit switches, and a plurality of first anti-collision auxiliary detection components; wherein, the bottom of the first rigid leg and the bottom of the first flexible leg are both provided with the first traveling wheel mechanism, and the plurality of first limit switches are provided in at least one of the two first traveling wheel mechanisms; the plurality of first limit switches are arranged sequentially at intervals along the first preset direction;

[0014] Multiple first anti-collision auxiliary detection components are sequentially spaced at the first target location along the first preset direction, and multiple first limit switches correspond one-to-one with multiple anti-collision auxiliary detection mechanisms. When the first traveling wheel mechanism moves to the preset position, the first anti-collision auxiliary detection component can trigger the corresponding first limit switch.

[0015] In any of the above technical solutions, the second gantry crane further includes a second rigid leg and a second flexible leg, and along the first preset direction, the second rigid leg and the second flexible leg are respectively disposed at both ends of the second crossbeam.

[0016] In any of the above technical solutions, the gantry crane anti-collision system further includes a third scanner, which is disposed on the second crossbeam and maintains a third preset distance from the second rigid leg.

[0017] In any of the above technical solutions, the gantry crane anti-collision system further includes a fourth scanner, which is disposed on the second crossbeam and maintains a fourth preset distance from the second flexible leg.

[0018] In any of the above technical solutions, the gantry crane anti-collision system further includes a second anti-collision buffer component and a second anti-collision rangefinder, and the second anti-collision buffer component and the second anti-collision rangefinder are provided on opposite sides of the second rigid leg and the second flexible leg along the second preset direction.

[0019] In any of the above technical solutions, the second gantry crane further includes a second traveling wheel mechanism, a plurality of second limit switches, and a plurality of second anti-collision auxiliary detection components; wherein, the bottom of the second rigid leg and the bottom of the second flexible leg are both provided with the second traveling wheel mechanism, and the plurality of second limit switches are provided in at least one of the two second traveling wheel mechanisms;

[0020] Multiple second limit switches are arranged sequentially at intervals along the first preset direction; multiple second anti-collision auxiliary detection components are arranged sequentially at intervals along the first preset direction at the second target location, and the multiple second limit switches correspond one-to-one with the multiple anti-collision auxiliary detection mechanisms, and when the second traveling wheel mechanism moves to the preset position, the second anti-collision auxiliary detection component can trigger the corresponding second limit switch.

[0021] In any of the above technical solutions, further, along the direction of the second preset direction, the width of the first main beam of the first rigid leg is greater than the width of the second main beam of the first flexible leg; along the direction of the second preset direction, the width of the third main beam of the second rigid leg is greater than the width of the fourth main beam of the second flexible leg.

[0022] In any of the above technical solutions, the gantry crane anti-collision system further includes a rangefinder, and the rangefinder is provided on at least one side of the first beam and / or the third beam along the second preset direction.

[0023] In any of the above technical solutions, the gantry crane anti-collision system further includes a fifth anti-collision component, and the fifth anti-collision component is provided on at least one side of the first beam and / or the third beam along the second preset direction.

[0024] In any of the above technical solutions, the second preset direction is further perpendicular to the first preset direction.

[0025] Compared with the prior art, the beneficial effects of this application are as follows:

[0026] The anti-collision system for gantry cranes provided in this application effectively avoids collisions between one upper trolley and another, and between one lower trolley and another, by setting anti-collision components at different positions on different trolleys. This improves the safety and reliability of the two gantry cranes during use, ensures the continuity of production, and effectively prevents damage to the gantry cranes due to collisions, thus effectively extending the service life of the equipment.

[0027] In addition, this gantry crane anti-collision system is designed with anti-collision structures for rigid and flexible legs, as well as anti-collision structures between the hoisted object and the rigid and flexible legs. It also includes anti-collision mechanisms for both rigid and flexible legs, anti-collision structures for the main beams of the two gantry cranes, and anti-collision structures for the extreme travel positions of the gantry crane. These features make the gantry crane anti-collision system safer and more reliable during operation. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the anti-collision system for a gantry crane provided in an embodiment of this application;

[0030] Figure 2 This is another structural schematic diagram of the gantry crane anti-collision system provided in the embodiments of this application;

[0031] Figure 3 The orientation diagrams of the first and third mobile devices provided in the embodiments of this application;

[0032] Figure 4 Another orientation view of the first and third mobile devices provided in the embodiments of this application;

[0033] Figure 5 Another orientation diagram of the first and third mobile devices provided in the embodiments of this application;

[0034] Figure 6 The orientation diagrams of the second and third mobile devices provided in the embodiments of this application;

[0035] Figure 7 Another orientation view of the second and third mobile devices provided in the embodiments of this application;

[0036] Figure 8 Another orientation diagram of the second and third mobile devices provided in the embodiments of this application;

[0037] Figure 9 This is a structural schematic diagram of the first gantry crane provided in an embodiment of this application;

[0038] Figure 10 for Figure 9 A partially enlarged structural diagram;

[0039] Figure 11 Another structural schematic diagram of the first gantry crane provided in the embodiments of this application;

[0040] Figure 12 for Figure 11 A partially enlarged structural diagram;

[0041] Figure 13A schematic diagram showing the positions of the first and second scanners provided in this application embodiment;

[0042] Figure 14 This is a schematic diagram showing the position of the deceleration limit switch provided in an embodiment of this application;

[0043] Figure 15 This is a schematic diagram showing the positions of the stop limit switch and the over-limit limit switch provided in the embodiments of this application;

[0044] Figure 16 A schematic diagram showing the first anti-collision auxiliary detection component triggering the first limit switch according to an embodiment of this application;

[0045] Figure 17 A schematic diagram of a rangefinder on a first beam provided in an embodiment of this application;

[0046] Figure 18 A pre-collision diagram of the rangefinder provided in this embodiment of the application, showing the first and third beams.

[0047] Figure label:

[0048] 1-First gantry crane, 11-First crossbeam, 12-First moving device, 13-Second moving device, 14-First rigid leg, 141-First main beam, 15-First flexible leg, 151-Second main beam, 16-First anti-collision buffer component, 17-First anti-collision rangefinder, 18-First scanner, 19-Second scanner, 110-First traveling wheel mechanism, 111-First limit switch, 1111-First deceleration limit limit switch, 1112-First stop limit switch, 1113-First over-limit limit switch, 112-First anti-collision auxiliary detection component, 2-Second gantry crane, 21-Second crossbeam, 22-Third moving device, 23-Fourth moving device, 24-Third main beam, 3-First anti-collision component, 4-Second anti-collision component, 5-Third anti-collision component, 6-Fourth anti-collision component, 7-Radarmeter, 8-Fifth anti-collision component. Detailed Implementation

[0049] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.

[0050] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.

[0051] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0052] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0053] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0054] The following reference Figures 1 to 18 This application describes a gantry crane anti-collision system according to some embodiments.

[0055] See Figures 1 to 8 As shown, an embodiment of this application provides a gantry crane anti-collision system, including: a first gantry crane 1, a second gantry crane 2, a first anti-collision component 3, a second anti-collision component 4, a third anti-collision component 5, and a fourth anti-collision component 6; wherein, the first gantry crane 1 includes a first crossbeam 11, a first moving device 12, and a second moving device 13, and the first moving device 12 and the second moving device 13 are both disposed on the first crossbeam 11, and both can move in the same direction along a first preset direction a or a second preset direction b; the first moving device 12 forms a first channel passing through both sides of it along the first preset direction a, and the second moving device 13 can move along the first channel;

[0056] The second gantry crane 2 includes a second crossbeam 21, a third moving device 22 and a fourth moving device 23, and the third moving device 22 and the fourth moving device 23 are both disposed on the second crossbeam 21 and can move in the same direction along a first preset direction a or a second preset direction b; the third moving device 22 forms a second channel that runs through both sides of it along the first preset direction a, and the fourth moving device 23 can move along the second channel.

[0057] Along the first preset direction a, first anti-collision members 3 are provided on both opposite sides of the first moving device 12; along the second preset direction b, at least one of the sides of the first moving device 12 and the third moving device 22 that are close to each other is provided with a second anti-collision member 4.

[0058] Along the first preset direction a, a third anti-collision member 5 is provided on both opposite sides of the second moving device 13; along the second preset direction b, at least one of the sides of the second moving device 13 and the third moving device 22 that are close to each other is provided with a fourth anti-collision member 6.

[0059] As can be seen from the structure described above, when the first moving device 12 and the third moving device 22 move in the same or opposite directions along the first preset direction a, the first anti-collision member 3 is provided on both sides of the first moving device 12. The first anti-collision member 3 extends toward the third moving device 22, which can effectively prevent the first moving device 12 and the third moving device 22 from colliding along the first preset direction a, that is, prevent the two upper trolleys from colliding along the first preset direction a.

[0060] When the first moving device 12 and the third moving device 22 both move in the same or opposite direction along the second preset direction b, a second anti-collision member 4 is provided on the side of the first moving device 12 close to the third moving device 22. The second anti-collision member 4 extends toward the third moving device 22, which can effectively prevent the first moving device 12 and the third moving device 22 from colliding along the second preset direction b, that is, prevent the two upper trolleys from colliding along the second preset direction b.

[0061] When the second moving device 13 and the third moving device 22 both move in the same or opposite directions along the first preset direction a, the second moving device 13 is provided with a third anti-collision member 5 on both sides. The third anti-collision member 5 extends toward the third moving device 22, which can effectively prevent the second moving device 13 and the third moving device 22 from colliding along the first preset direction a, that is, prevent one of the lower trolleys and the other upper trolley from colliding along the first preset direction a.

[0062] When the second moving device 13 and the third moving device 22 both move in the same or opposite directions along the second preset direction b, a fourth anti-collision member 6 is provided on the side of the second moving device 13 close to the third moving device 22. The fourth anti-collision member 6 extends toward the third moving device 22, which can effectively prevent the second moving device 13 and the third moving device 22 from colliding along the second preset direction b, that is, prevent one of the lower trolleys and the other upper trolley from colliding along the second preset direction b.

[0063] As can be seen, the anti-collision system for gantry cranes provided in this application effectively avoids collisions between one upper trolley and another, and between one lower trolley and another, by setting anti-collision components at different positions on different trolleys. This improves the safety and reliability of the two gantry cranes during use, ensures the continuity of production, and effectively prevents damage to the gantry cranes due to collisions, thus effectively extending the service life of the equipment.

[0064] Furthermore, preferably, along the first preset direction a, two first anti-collision members 3 are provided on each of the opposite sides of the first moving device 12, and each first anti-collision member 3 extends along the first preset direction a.

[0065] Furthermore, preferably, along the second preset direction b, two second anti-collision members 4 are provided on the side of the first moving device 12 near the third moving device 22, and each second anti-collision member 4 extends along the second preset direction b.

[0066] Furthermore, preferably, along the first preset direction a, a third anti-collision member 5 is provided on each of the opposite sides of the second moving device 13, and each third anti-collision member 5 extends along the first preset direction a.

[0067] Furthermore, preferably, along the second preset direction b, three fourth anti-collision members 6 are provided on the side of the second moving device 13 near the third moving device 22, and each fourth anti-collision member 6 extends along the second preset direction b.

[0068] Furthermore, preferably, the first anti-collision component 3, the second anti-collision component 4, the third anti-collision component 5, and the fourth anti-collision component 6 are all anti-collision bars, and preferably are anti-collision bars made of metal, which can effectively resist impact. Of course, the structure of the first anti-collision component 3, the second anti-collision component 4, the third anti-collision component 5, and the fourth anti-collision component 6 is not limited to anti-collision bars, and the material is not limited to metal; the specific choice depends on actual needs.

[0069] Furthermore, preferably, the length direction of the first crossbeam 11 and the second crossbeam 21 is the same as the first preset direction a.

[0070] Furthermore, preferably, the second preset direction b is perpendicular to the first preset direction a. For example, the first preset direction a and the second preset direction b can be the X direction and Y direction in the horizontal plane, respectively. Of course, it is not limited to this. The second preset direction b can also form an acute angle or an obtuse angle with the first preset direction a, etc., depending on the actual needs.

[0071] It should be noted that the structure is not limited to the above-mentioned "along the first preset direction a, the first anti-collision member 3 is provided on both opposite sides of the first moving device 12". Other structures may also be used. For example, the first moving device 12 may not be provided with the first anti-collision member 3. Instead, the first anti-collision member 3 may be provided on both opposite sides of the third moving device 22 along the first preset direction a. Alternatively, the first anti-collision member 3 may be provided on both the side of the first moving device 12 that is close to the third moving device 22 and the side of the third moving device 22 that is away from the first moving device 12 along the first preset direction a. Alternatively, the first anti-collision member 3 may be provided on the side of the first moving device 12 that is close to the third moving device 22 and on the side of the third moving device 22 that is away from the first moving device 12 along the first preset direction a.

[0072] Furthermore, in addition to the above-mentioned "a third anti-collision member 5 is provided on both opposite sides of the second moving device 13 along the first preset direction a", other structures can also be adopted. For example, the second moving device 13 is not provided with a third anti-collision member 5, but a third anti-collision member 5 is provided on both opposite sides of the third moving device 22 along the first preset direction a, or a third anti-collision member 5 is provided on both the side of the second moving device 13 and the side of the third moving device 22 that are close to each other and the side that are far apart along the first preset direction a, or a third anti-collision member 5 is provided on the side of the second moving device 13 that is close to the third moving device 22 along the first preset direction a, and a third anti-collision member 5 is provided on the side of the third moving device 22 that is far apart from the second moving device 13 along the first preset direction a, or a third anti-collision member 5 is provided on the side of the third moving device 22 that is close to the second moving device 13 along the first preset direction a, and a third anti-collision member 5 is provided on the side of the first moving device 12 that is far apart from the third moving device 22.

[0073] In this embodiment, preferably, as follows: Figure 1 , Figures 9 to 12 As shown, the first gantry crane 1 also includes a first rigid leg 14 and a first flexible leg 15, and along the first preset direction a, the first rigid leg 14 and the first flexible leg 15 are respectively disposed at both ends of the first crossbeam 11.

[0074] Furthermore, preferably, the gantry crane anti-collision system also includes a first anti-collision buffer component 16 and a first anti-collision rangefinder 17, and the first rigid leg 14 and the first flexible leg 15 are provided with the first anti-collision buffer component 16 and the first anti-collision rangefinder 17 on opposite sides along the first preset direction a.

[0075] As can be seen from the structure described above, a first anti-collision buffer component 16 and a first anti-collision rangefinder 17 are provided on the first rigid leg 14 and the first flexible leg 15 of the first gantry crane 1, thereby playing a role in anti-collision and improving safety and reliability.

[0076] In this embodiment, preferably, as follows: Figure 13 As shown, the gantry crane anti-collision system also includes a first scanner 18, which is disposed on the first crossbeam 11 and maintains a first preset distance from the first rigid leg 14. Preferably, the first scanner 18 is a laser scanner, but it is not limited to this and may be other types of scanners.

[0077] As described above, when the first gantry crane 1 lifts a heavy object, if the object is within a certain range of the first rigid leg 14, there is a risk of collision between the object and the leg. To control this risk, a first scanner 18, such as a laser scanner, is installed on the first rigid leg 14 of the first gantry crane 1. When the lifted object enters the range of the laser scanner, the scanner triggers an alarm, alerting the operator to take precautions and preventing collisions. Of course, there are many types of scanners available, not limited to laser scanners, and other options can be selected based on actual needs.

[0078] In this embodiment, preferably, as follows: Figure 13 As shown, the gantry crane anti-collision system also includes a second scanner 19, which is disposed on the first crossbeam 11 and maintains a second preset distance from the first flexible leg 15. Preferably, the second scanner 19 is a laser scanner, but it is not limited to this and may be other types of scanners.

[0079] As described above, when the first gantry crane 1 lifts a heavy object, if the object is within a certain range of the first flexible leg 15, there is a risk of collision between the object and the first flexible leg 15. To control this risk, a second scanner 19, such as a laser scanner, is installed on the first flexible leg 15 of the first gantry crane 1. When the lifted object enters the range of the laser scanner, the scanner triggers an alarm, alerting the operator to take precautions and preventing collisions. Of course, there are many types of scanners available, not limited to laser scanners, and selection can be made according to actual needs.

[0080] In this embodiment, preferably, as follows: Figures 14 to 16As shown, the first gantry crane 1 also includes a first traveling wheel mechanism 110, a plurality of first limit switches 111, and a plurality of first anti-collision auxiliary detection components 112; wherein, the bottom of the first rigid leg 14 and the bottom of the first flexible leg 15 are both provided with the first traveling wheel mechanism 110, and the plurality of first limit switches 111 are provided in at least one of the two first traveling wheel mechanisms 110; the plurality of first limit switches 111 are arranged sequentially at intervals along a first preset direction a;

[0081] Multiple first anti-collision auxiliary detection components 112 are sequentially spaced along a first preset direction a at a first target location, and multiple first limit switches 111 correspond one-to-one with multiple anti-collision auxiliary detection mechanisms. When the first traveling wheel mechanism 110 moves to a preset position, the first anti-collision auxiliary detection component 112 can trigger the corresponding first limit switch 111.

[0082] Furthermore, preferably, there are three first limit switches 111 and three first anti-collision auxiliary detection components 112, and they correspond one-to-one. In order to facilitate the differentiation of the first limit switches 111 in different positions, they are named as follows: first deceleration limit limit switch 1111, first stop limit switch 1112 and first over-limit limit switch 1113. Of course, it is not limited to the above. The number of first limit switches 111 and the first anti-collision auxiliary detection components 112 can also be less than three, such as two, or more than three, such as four or five, etc.

[0083] As can be seen from the structure described above, when the first gantry crane 1 travels to the top of the track surface, in order to stop the traveling mechanism of the first gantry crane 1, a first deceleration limit switch 1111, a first stop limit switch 1112, and a first over-limit limit switch 1113 are respectively installed on the trolley traveling mechanism of the first gantry crane 1. Three first anti-collision auxiliary detection components 112 need to be installed at the corresponding positions. Specifically, the gantry crane first travels to the deceleration limit, and the first set of first limit switches 111 touches the first set of first anti-collision auxiliary detection components 112 on the ground, so that the traveling speed of the first gantry crane 1 decreases. Then the first gantry crane 1 continues to move and will pass through the stop limit position and the over-limit position in sequence, so that the traveling mechanism of the first gantry crane 1 finally stops running.

[0084] In this embodiment, preferably, the second gantry crane 2 further includes a second rigid leg and a second flexible leg (not shown in the figure, but can be referred to the first gantry crane 1 for details), and the second rigid leg and the second flexible leg are respectively disposed at both ends of the second crossbeam 21 along the first preset direction a;

[0085] Furthermore, preferably, the gantry crane anti-collision system also includes a second anti-collision buffer component and a second anti-collision rangefinder, and the second rigid leg and the second flexible leg are provided with the second anti-collision buffer component and the second anti-collision rangefinder on opposite sides along the first preset direction a.

[0086] As can be seen from the structure described above, a second anti-collision buffer component and a second anti-collision rangefinder are provided on the first rigid leg 14 and the second flexible leg of the second gantry crane 2, thereby playing a role in anti-collision and improving safety and reliability.

[0087] In this embodiment, preferably, the gantry crane anti-collision system further includes a third scanner (not shown in the figure, but can be referred to the first gantry crane 1 for details), and the third scanner is disposed on the second crossbeam 21 and maintains a third preset distance from the second rigid leg. Preferably, the third scanner is a laser scanner, but it is not limited to this and may be other types of scanners.

[0088] As described above, when the second gantry crane 2 lifts a heavy object, there is a risk of collision if the object is within a certain range of the second rigid leg. To control this risk, a third scanner, such as a laser scanner, is installed on the second rigid leg of the first gantry crane 1. When the lifted object enters the range of the laser scanner, the scanner triggers an alarm, alerting the operator to take precautions and preventing collisions. Of course, there are many types of scanners available, not limited to laser scanners, and selection can be made according to actual needs.

[0089] In this embodiment, preferably, the gantry crane anti-collision system further includes a fourth scanner (not shown in the figure, but can be referred to the first gantry crane 1 for details). The fourth scanner is disposed on the second crossbeam 21 and maintains a fourth preset distance from the second flexible leg. Preferably, the fourth scanner is a laser scanner, but it is not limited to this and may be other types of scanners.

[0090] As described above, when the second gantry crane 2 lifts a heavy object, there is a risk of collision if the object is within a certain range of the second flexible leg. To control this risk, a fourth scanner, such as a laser scanner, is installed on the second flexible leg of the first gantry crane 1. When the lifted object enters the range of the laser scanner, the scanner triggers an alarm, alerting the operator to take precautions and preventing collisions. Of course, there are many types of scanners available, not limited to laser scanners, and selection can be made according to actual needs.

[0091] In this embodiment, preferably, the second gantry crane 2 further includes a second traveling wheel mechanism, a plurality of second limit switches, and a plurality of second anti-collision auxiliary detection components (not shown in the figure, but can be referred to the first gantry crane 1 for details); wherein, the bottom of the second rigid leg and the bottom of the second flexible leg are both provided with a second traveling wheel mechanism, and the plurality of second limit switches are provided in at least one of the two second traveling wheel mechanisms;

[0092] Multiple second limit switches are arranged sequentially at intervals along a first preset direction a; multiple second anti-collision auxiliary detection components are arranged sequentially at intervals along the first preset direction a at the second target location, and the multiple second limit switches correspond one-to-one with the multiple anti-collision auxiliary detection mechanisms, and when the second traveling wheel mechanism moves to the preset position, the second anti-collision auxiliary detection component can trigger the corresponding second limit switch.

[0093] Furthermore, preferably, there are three second limit switches and three second anti-collision auxiliary detection components, and they correspond one-to-one. In order to facilitate the differentiation of the second limit switches in different positions, they are named as follows: second deceleration limit switch, second stop switch and second over-limit switch. Of course, it is not limited to the above. The number of second limit switches and two anti-collision auxiliary detection components can also be less than three, such as two, or more than three, such as four or five, etc.

[0094] As described above, when the second gantry crane 2 reaches the top of the track, to stop its traveling mechanism, a second deceleration limit switch, a second stop switch, and a second over-limit switch are installed on the trolley traveling mechanism of the second gantry crane 2. Three second anti-collision auxiliary detection components are also installed at corresponding positions. Specifically, the gantry crane first moves to the deceleration limit, and the first set of second limit switches contacts the first set of second anti-collision auxiliary detection components on the ground, causing the second gantry crane 2 to slow down. Then, the second gantry crane 2 continues to move, passing through the stop limit position and the over-limit position in sequence, ultimately stopping the traveling mechanism of the second gantry crane 2.

[0095] In this embodiment, preferably, along the second preset direction b, the width of the first main beam 141 of the first rigid leg 14 is greater than the width of the second main beam 151 of the first flexible leg 15; and along the second preset direction b, the width of the third main beam 24 of the second rigid leg is greater than the width of the fourth main beam of the second flexible leg.

[0096] Further, preferably, such as Figure 17As shown, the gantry crane anti-collision system also includes a rangefinder 7, which is installed on one side of the first main beam 141 along the second preset direction b. Of course, it is not limited to this. The rangefinder 7 can be installed on both sides of the first main beam 141 along the second preset direction b, or the rangefinder 7 can be installed on at least one side of the third main beam 24 along the second preset direction b, or the rangefinder 7 can be installed on at least one side of both the first main beam 141 and the third main beam 24 along the second preset direction b. The specific choice depends on the actual needs.

[0097] Based on the structure described above, since the rigid leg's main beam is wider, it is only necessary to ensure that the rigid leg's main beam does not collide; therefore, the flexible leg's main beam will certainly not collide. Furthermore, preferably, as follows... Figure 18 As shown, the gantry crane anti-collision system also includes a fifth anti-collision component 8, and the fifth anti-collision component 8 is provided on the side of the first main beam 141 and the third main beam 24 that are close to each other along the second preset direction b. This can effectively prevent the main beams of the two gantry cranes from being sprayed. Of course, it is not limited to the above. The fifth anti-collision component 8 may not be provided on the first main beam 141 of the first gantry crane 1, but on the third main beam 24 of the second gantry crane 2. Alternatively, the fifth anti-collision component 8 may be provided on both the first main beam 141 of the first gantry crane 1 and the third main beam 24 of the second gantry crane 2.

[0098] It should be noted that: the fifth anti-collision member 8 is not limited to being provided on both sides of the first main beam 141 and the third main beam 24 along the second preset direction b, but can also be provided only on the first main beam 141 or the third main beam 24, and can be provided on one side or both sides.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A collision avoidance system for a gantry crane, characterized in that, include: A first gantry crane, a second gantry crane, a first anti-collision component, a second anti-collision component, a third anti-collision component, and a fourth anti-collision component; wherein, the first gantry crane includes a first crossbeam, a first moving device, and a second moving device, and the first moving device and the second moving device are both disposed on the first crossbeam and are both capable of moving in the same direction along a first preset direction or a second preset direction; the first moving device forms a first channel extending through both sides of it along the first preset direction, and the second moving device is capable of moving along the first channel; The second gantry crane includes a second crossbeam, a third moving device, and a fourth moving device. The third moving device and the fourth moving device are both disposed on the second crossbeam and can move in the same direction along the first preset direction or the second preset direction. The third moving device forms a second channel that runs through both sides of it along the first preset direction, and the fourth moving device can move along the second channel. Along a first preset direction, at least one of the adjacent sides of the first moving device and the third moving device, and at least one of the opposing sides of the first moving device and the third moving device, are provided with the first anti-collision member; along a second preset direction, at least one of the adjacent sides of the first moving device and the third moving device is provided with the second anti-collision member. Along the first preset direction, at least one of the adjacent sides of the second moving device and the third moving device, and at least one of the opposing sides of the second moving device and the third moving device, are provided with the third anti-collision member; along the second preset direction, at least one of the adjacent sides of the second moving device and the third moving device is provided with the fourth anti-collision member.

2. The anti-collision system for gantry cranes according to claim 1, characterized in that, The first gantry crane also includes a first rigid leg and a first flexible leg, and along the first preset direction, the first rigid leg and the first flexible leg are respectively disposed at both ends of the first crossbeam.

3. The anti-collision system for gantry cranes according to claim 2, characterized in that, The gantry crane anti-collision system further includes a first scanner, which is disposed on the first crossbeam and maintains a first preset distance from the first rigid leg; and / or The gantry crane anti-collision system further includes a second scanner, which is disposed on the first crossbeam and maintains a second preset distance from the first flexible leg; and / or The gantry crane anti-collision system further includes a first anti-collision buffer component and a first anti-collision rangefinder, and the first anti-collision buffer component and the first anti-collision rangefinder are provided on opposite sides of the first rigid leg and the first flexible leg along the second preset direction.

4. The anti-collision system for gantry cranes according to claim 2, characterized in that, The first gantry crane further includes a first traveling wheel mechanism, a plurality of first limit switches, and a plurality of first anti-collision auxiliary detection components; wherein, the bottom of the first rigid leg and the bottom of the first flexible leg are both provided with the first traveling wheel mechanism, and the plurality of first limit switches are provided in at least one of the two first traveling wheel mechanisms; the plurality of first limit switches are arranged sequentially at intervals along the first preset direction; Multiple first anti-collision auxiliary detection components are sequentially spaced at the first target location along the first preset direction, and multiple first limit switches correspond one-to-one with multiple first anti-collision auxiliary detection mechanisms. When the first traveling wheel mechanism moves to the preset position, the first anti-collision auxiliary detection component can trigger the corresponding first limit switch.

5. The anti-collision system for gantry cranes according to claim 2, characterized in that, The second gantry crane also includes a second rigid leg and a second flexible leg, and along the first preset direction, the second rigid leg and the second flexible leg are respectively disposed at both ends of the second crossbeam.

6. The anti-collision system for gantry cranes according to claim 5, characterized in that, The gantry crane anti-collision system further includes a third scanner, which is disposed on the second crossbeam and maintains a third preset distance from the second rigid leg; and / or The gantry crane anti-collision system further includes a fourth scanner, which is disposed on the second crossbeam and maintains a fourth preset distance from the second flexible leg; and / or The gantry crane anti-collision system also includes a second anti-collision buffer component and a second anti-collision rangefinder, and the second anti-collision buffer component and the second anti-collision rangefinder are provided on opposite sides of the second rigid leg and the second flexible leg along the second preset direction.

7. The anti-collision system for gantry cranes according to claim 5, characterized in that, The second gantry crane also includes a second traveling wheel mechanism, a plurality of second limit switches, and a plurality of second anti-collision auxiliary detection components; wherein, the bottom of the second rigid leg and the bottom of the second flexible leg are both provided with the second traveling wheel mechanism, and the plurality of second limit switches are provided in at least one of the two second traveling wheel mechanisms; Multiple second limit switches are arranged sequentially at intervals along the first preset direction; multiple second anti-collision auxiliary detection components are arranged sequentially at intervals along the first preset direction at the second target location, and the multiple second limit switches correspond one-to-one with the multiple second anti-collision auxiliary detection mechanisms, and when the second traveling wheel mechanism moves to the preset position, the second anti-collision auxiliary detection component can trigger the corresponding second limit switch.

8. The anti-collision system for gantry cranes according to claim 5, characterized in that, Along the second preset direction, the width of the first main beam of the first rigid leg is greater than the width of the second main beam of the first flexible leg; along the second preset direction, the width of the third main beam of the second rigid leg is greater than the width of the fourth main beam of the second flexible leg.

9. The anti-collision system for gantry cranes according to claim 8, characterized in that, The gantry crane anti-collision system further includes a rangefinder, and the rangefinder is provided on at least one side of the first beam and / or the third beam along the second preset direction; and / or The gantry crane anti-collision system further includes a fifth anti-collision component, and the fifth anti-collision component is provided on at least one side of the first beam and / or the third beam along the second preset direction.

10. The anti-collision system for a gantry crane according to any one of claims 1 to 9, characterized in that, The second preset direction is perpendicular to the first preset direction.

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