Anti-collision system for shipyard crane

Abstract

The utility model discloses a shipyard crane anti-collision system which comprises a plurality of cranes which are matched with one another, and further comprises a large wheel encoder, a sub-meter positioner, an angle turntable encoder, a vehicle-mounted display and an inclinometer which are arranged on the cranes, the vehicle-mounted display is in electric signal connection with the large wheel encoder, the sub-meter positioner, the angle turntable encoder and the inclinometer, the vehicle-mounted display is also in electric signal connection with an alarm, and a plurality of cranes are constructed in the same local area network, so that the positions displayed by the vehicle-mounted display of each crane are synchronized in real time. According to the utility model, the position of each crane on a plane track and the position of the projection of a lifting hook at the tail end of a lifting rope on the ground can be accurately calculated under the matching of the large wheel encoders and the sub-meter positioners which are arranged on the cranes, and the position of each crane in a dock area can be seen through the vehicle-mounted display; if a collision danger occurs, a driver is prompted to stop moving or operate carefully.

Description

Technical Field

[0001] The utility model relates to the technical field of docks, in particular to a shipyard crane anti-collision system. Background Art

[0002] A dock refers to a dock-type building used for repairing and building ships. It is arranged in a shipyard and is mainly used for ship repair. The dock is a working platform for repairing and building ships in a shipyard, a place for repairing and building ships, and a site facility in the shipyard that has been manually processed for repairing and building ships. The construction and overhaul of ships are carried out in the dock.

[0003] In order to facilitate maintenance and transportation work, the dock site usually needs to use multiple cranes to work. Therefore, while increasing the number of cranes to speed up work efficiency, the safety hazards between cranes also increase. In order to ensure safe operation without collision between cranes, a shipyard crane anti-collision system is provided to solve the above problems. Utility Model Content

[0004] In order to solve the problems in the above background technology, the technical solution adopted by the utility model to solve the technical problems is: a shipyard crane anti-collision system, including multiple cranes that cooperate with each other, characterized in that it also includes a large wheel encoder, a sub-meter positioner, an angle turntable encoder, a vehicle-mounted display and an inclinometer installed on the crane, the vehicle-mounted display is electrically connected to the large wheel encoder, the sub-meter positioner, the angle turntable encoder and the inclinometer, the vehicle-mounted display is also electrically connected to an alarm, and multiple cranes are constructed in the same local area network, so that the position displayed on the vehicle-mounted display of each crane is synchronized in real time.

[0005] As a preferred technical solution of the utility model, the crane includes a traveling trolley, a driving wheel, a corner turntable support column, a rotating platform, a crane body, a first cranebill boom and a second cranebill boom, the driving wheel is arranged at the bottom end of the traveling trolley, the corner turntable support column is arranged at the middle part of the upper end of the traveling trolley, the top of the corner turntable support column is provided with a rotating platform, the crane body is arranged on the rotating platform, the first cranebill boom is arranged on the crane body, and the first cranebill boom is connected to the second cranebill boom.

[0006] As a preferred technical solution of the utility model, the large wheel encoder is installed on the driving wheel, and the sub-meter positioner is installed on the traveling cart.

[0007] As a preferred technical solution of the utility model, the inclinometer includes a first inclinometer and a second inclinometer, the first inclinometer is installed on the first crane's bill boom, and the second inclinometer is installed on the second crane's bill boom.

[0008] As a preferred technical solution of the utility model, the end of the second cranebill boom is connected with a hook through a wire rope, and a counterweight block is arranged at the tail end of the crane body.

[0009] As a preferred technical solution of the utility model, the walking trolley is fixedly connected with a reinforcement rod located outside the support column of the corner turntable, and the number of the reinforcement rods is set to be several, and the top end of the reinforcement rod is connected to the rotating platform.

[0010] As a preferred technical solution of the utility model, an anti-collision zone is arranged on the outside of the hook, and the anti-collision zone is a circular area with a radius of 1m around the hook.

[0011] As a preferred technical solution of the utility model, an operation room is arranged on the crane body, and a vehicle-mounted display is arranged inside the operation room.

[0012] As a preferred technical solution of the utility model, the driving wheel is connected to a track, the track is a double-guide rail structure, the track is laid on the ground, and the angle turntable encoder is installed in a rotating platform.

[0013] The utility model has the following advantages: a coordinate system is established through the track on the ground of the dock, and through the cooperation of the large wheel encoder and the sub-meter positioner installed on the crane, the position of each crane on the plane track and the position of the hook at the end of the lifting rope projected on the ground can be accurately calculated, and the projection outline of the crane can be positioned on the vehicle display, a wireless local area network is established for multiple cranes in the operating area, the position and outline of the vehicle and other cranes are displayed in real time on the vehicle display, and an anti-collision prevention alarm mechanism is established. The position of each crane in the dock area can be seen through the vehicle display, and if there is a risk of collision, the driver will be prompted to stop moving or operate with caution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the distribution of shipyard cranes in a preferred embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of the operating principle of the anti-collision system of the preferred embodiment of the utility model.

[0017] Explanation of the accompanying drawings: 1. Large wheel encoder; 2. Sub-meter positioner; 3. Angle turntable encoder; 4. On-board display; 5. First inclinometer; 6. Second inclinometer; 7. Alarm; 8. Traveling trolley; 9. Driving wheel; 10. Angle turntable support column; 11. Rotating platform; 12. Crane body; 1201, counterweight; 13. Operating room; 14. First cranebill boom; 15. Second cranebill boom; 16. Hook; 1601, anti-collision zone; 17. Reinforcement rod; 18. Track. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The utility model will be further described below in conjunction with the accompanying drawings.

[0021] Please refer to Figure 1-Figure 3 The utility model is a shipyard crane anti-collision system, including a plurality of cranes that cooperate with each other, and also includes a large wheel encoder 1, a sub-meter positioner 2, an angle turntable encoder 3, a vehicle-mounted display 4 and an inclinometer installed on the crane. The vehicle-mounted display 4 is electrically connected to the large wheel encoder 1, the sub-meter positioner 2, the angle turntable encoder 3 and the inclinometer. The vehicle-mounted display 4 is also electrically connected to an alarm 7. The plurality of cranes are constructed in the same local area network, so that the position displayed on the vehicle-mounted display 4 of each crane is synchronized in real time.

[0022] The crane comprises a traveling trolley 8, a driving wheel 9, a corner turntable support column 10, a rotating platform 11, a crane body 12, a first crane bill boom 14 and a second crane bill boom 15. The driving wheel 9 is arranged at the bottom of the traveling trolley 8, the corner turntable support column 10 is arranged at the middle of the upper end of the traveling trolley 8, the top of the corner turntable support column 10 is provided with a rotating platform 11, the crane body 12 is arranged on the rotating platform 11, the first crane bill boom 14 is arranged on the crane body 12, the first crane bill boom 14 is connected to the second crane bill boom 15, and the traveling trolley 8 A reinforcement rod 17 is fixedly connected to the outside of the corner turntable support column 10. There are several reinforcement rods 17. The top of the reinforcement rod 17 is connected to the rotating platform 11. An anti-collision zone 1601 is set on the outside of the hook 16. The anti-collision zone 1601 has a circular radius of 1m with the hook 16. It detects whether there are other crane structures (including counterweights) within 1 meter around the hook 1601. If the distance between cranes is too close, a warning of a collision will be prompted. The corner turntable encoder 3 is installed in the rotating platform 11.

[0023] The wheel encoder 1 is installed on the driving wheel 9, the sub-meter positioner 2 is installed on the walking trolley 8, and the inclinometer includes a first inclinometer 5 and a second inclinometer 6. The first inclinometer 5 is installed on the first crane boom 14, and the second inclinometer 6 is installed on the second crane boom 15. The first inclinometer 5 and the second inclinometer 6 are used to measure the angle between the first crane boom 14 and the second crane boom 15 and gravity, respectively. The end of the second crane boom 15 is connected with a hook 16 through a wire rope. A counterweight block 1201 is arranged at the tail end of the crane body 12, and an operating room 13 is arranged on the crane body 12. The operating room 13 is provided with a A vehicle-mounted display 4 is installed, and a driving wheel 9 is connected to a track 18. The track 18 is a double-rail structure and is laid on the ground. The large wheel encoder 1 is used to locate the real-time position of the traveling trolley 8 with an accuracy of 0.1 meters. The sub-meter locator 2 is used to locate the plane position of the crane. The position of the crane is obtained by 4g, (GPS / Beidou) and differential positioning methods to determine whether the cumulative positioning of the large wheel encoder 1 is out of tolerance. If it is out of tolerance, the large wheel encoder 1 needs to return to zero to ensure slight accuracy. The angle turntable encoder 3 is used to measure how many degrees the crane body 12 has rotated with an accuracy of 0.1.

[0024] Specifically, when the utility model is used, a coordinate system is established through the track 18 on the dock ground, and the position of each crane on the plane track 18 and the position of the hook 16 at the end of the lifting rope projected on the ground are calculated by installing a large wheel encoder 1 and a sub-meter positioner 2 on the crane. Then, the projection outline of the crane is positioned on the vehicle-mounted display 4, and a wireless local area network is established for multiple cranes in the operating area. The position and outline of the vehicle and other cranes are displayed in real time on the vehicle-mounted display 4, and an anti-collision prevention alarm mechanism is established.

[0025] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0026] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A shipyard crane anti-collision system, comprising a plurality of cranes cooperating with each other, characterized in that: The invention also includes a large wheel encoder (1), a sub-meter positioner (2), an angle turntable encoder (3), a vehicle-mounted display (4) and an inclinometer installed on the crane. The vehicle-mounted display (4) is electrically connected to the large wheel encoder (1), the sub-meter positioner (2), the angle turntable encoder (3) and the inclinometer. The vehicle-mounted display (4) is also electrically connected to an alarm (7). A plurality of the cranes are constructed in the same local area network, so that the positions displayed on the vehicle-mounted display (4) of each crane are synchronized in real time.

2. A shipyard crane anti-collision system according to claim 1, characterized in that: The crane comprises a traveling trolley (8), a driving wheel (9), a corner turntable support column (10), a rotating platform (11), a crane body (12), a first crane bill boom (14) and a second crane bill boom (15), wherein the driving wheel (9) is arranged at the bottom end of the traveling trolley (8), the corner turntable support column (10) is arranged at the middle of the upper end of the traveling trolley (8), the rotating platform (11) is arranged at the top end of the corner turntable support column (10), the crane body (12) is arranged on the rotating platform (11), the first crane bill boom (14) is arranged on the crane body (12), and the first crane bill boom (14) is connected to the second crane bill boom (15).

3. The shipyard crane anti-collision system according to claim 1, characterized in that: The large wheel encoder (1) is mounted on a driving wheel (9), and the sub-meter positioner (2) is mounted on a traveling trolley (8).

4. The shipyard crane anti-collision system according to claim 1, characterized in that: The inclinometer comprises a first inclinometer (5) and a second inclinometer (6), wherein the first inclinometer (5) is mounted on a first crane's bill boom (14), and the second inclinometer (6) is mounted on a second crane's bill boom (15).

5. The shipyard crane anti-collision system according to claim 2, characterized in that: The end of the second crane's bill boom (15) is connected to a hook (16) via a steel wire rope, and a counterweight (1201) is provided at the tail end of the crane body (12).

6. The shipyard crane anti-collision system according to claim 2, characterized in that: The walking trolley (8) is located outside the corner turntable support column (10) and is fixedly connected to a reinforcement rod (17). The number of the reinforcement rods (17) is set to be several, and the top end of the reinforcement rod (17) is connected to the rotating platform (11).

7. The shipyard crane anti-collision system according to claim 5, characterized in that: An anti-collision zone (1601) is provided on the outside of the hook (16), and the anti-collision zone (1601) has a circular radius of 1 m with the hook (16).

8. The shipyard crane anti-collision system according to claim 2, characterized in that: An operating room (13) is provided on the crane body (12), and an on-board display (4) is provided inside the operating room (13).

9. The shipyard crane anti-collision system according to claim 2, characterized in that: The driving wheel (9) is connected to a track (18), the track (18) is a double-guide rail structure, the track (18) is laid on the ground, and the angular turntable encoder (3) is installed in the rotating platform (11).

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