A lighting device for a gantry crane

Abstract

The utility model relates to the field of mobile lighting technology for gantry cranes, and specifically discloses a gantry crane lighting device, including a lighting lamp, which is fixedly arranged on a bracket; the bracket is fixedly arranged on a translation mechanism; the translation mechanism is arranged on the top surface of a bottom plate; the translation mechanism is used to drive the bracket to translate along the bottom plate; and the lighting lamp is arranged below the bottom plate. Compared with the prior art, when in use, the bottom plate is fixed on both sides of the outside of the driver's cab, and the translation mechanism is used to drive the lighting lamp to translate along the bottom plate, so as to facilitate the adjustment of the lighting area, ensure the working efficiency and the levelness of the stacking box, and reduce safety hazards.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile lighting for gantry cranes, and specifically discloses a lighting device for gantry cranes. Background Art

[0002] Container gantry crane is a large crane used for loading and unloading operations in container yards. This type of crane is mainly used for outdoor cargo yards, material yards and bulk cargo loading and unloading operations, especially in ports and docks, where it is usually used to stack and transport containers. In addition, container gantry cranes are also widely used in the warehousing and logistics industry, manufacturing industry and large-scale construction projects to transport various heavy goods, such as ships, trucks, concrete, construction materials and large-scale machinery and equipment.

[0003] The basic structure of container gantry crane includes main beam, trolley, small car, lifting mechanism and electrical system, etc., and auxiliary equipment such as wind and lightning protection can be installed as needed. The driver's cab of port gantry crane is about 20 meters above the ground. During loading and unloading operations in the yard, the small car mechanism drives the driver's cab and the spreader to move forward and backward together, and floodlights are needed for lighting during night operations.

[0004] At present, the floodlights installed on both sides of the driver's cab platform are fixed installation methods, and the lighting area is relatively fixed. As the height of the stacking containers changes, the light will be blocked by containers and spreaders when the driver is operating the stacking containers, affecting the operating efficiency and the levelness of the stacking containers, and there are certain safety hazards. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a gantry crane lighting device to solve the problem that fixed installation lighting lamps affect the working efficiency and the levelness of the stacking boxes, and there are certain safety hazards.

[0006] To achieve the above purpose, the technical solution of the utility model is:

[0007] A gantry crane lighting device includes a lighting lamp, which is fixedly mounted on a bracket; the bracket is fixedly mounted on a translation mechanism; the translation mechanism is arranged on the top surface of a bottom plate; the translation mechanism is used to drive the bracket to translate along the bottom plate; and the lighting lamp is arranged below the bottom plate. When in use, the bottom plate is fixed on both sides of the outside of the driver's cab, and the translation mechanism is used to drive the lighting lamp to translate along the bottom plate, so as to facilitate the adjustment of the lighting area, ensure the working efficiency and the levelness of the stacking box, and reduce safety hazards.

[0008] Preferably, the bracket includes a connecting frame; the connecting frame is arranged in a U-shaped shape; the lighting lamp is fixed on both sides of the connecting frame by bolts. On the premise that the translation mechanism can drive the bracket to translate, the lighting lamp is arranged below the bottom plate to ensure that the lighting of the lighting lamp is not blocked.

[0009] Preferably, the translation mechanism includes a linear translation assembly; the linear translation assembly includes two linear guide rails fixedly arranged on the top surface of the bottom plate; the two linear guide rails are respectively arranged at the edges of both sides of the top surface of the bottom plate; a slider is slidably arranged on the linear guide rails; the slider is fixedly arranged on the bottom surface of the slide; the connecting frame is arranged on the slide by bolts; the slide is connected to the translation drive assembly; the translation drive assembly is arranged on the bottom plate. The arrangement of the linear translation assembly ensures the stability of the bracket translation.

[0010] Preferably, the translation drive assembly includes a motor; the motor is fixedly arranged on the bottom plate; a ball screw is connected to the output end of the motor; both ends of the ball screw are rotatably arranged on the bottom plate; the nut of the ball screw is arranged on the slide. The motor drives the nut of the ball screw to translate, thereby driving the slide to translate.

[0011] Preferably, two vertical plates are fixedly arranged on the top surface of the bottom plate; both ends of the ball screw are rotatably arranged on the vertical plates; fixed plates are arranged on both sides of the slide; and proximity switches are arranged on the fixed plates to cooperate with the vertical plates. The proximity switches are arranged to limit the translation of the slide, avoid collision between the slide and the vertical plates, and ensure the stability of the lighting installation.

[0012] Preferably, accordion protective covers are provided between both sides of the slide and the vertical plate to provide protection for the linear guide rail and the ball screw and increase their service life.

[0013] The beneficial effects of the utility model are as follows: when in use, the bottom plate is fixed on both sides of the outside of the driver's cab, and the translation mechanism is used to drive the lighting lamp to translate along the bottom plate, so that the lighting area can be adjusted conveniently, the working efficiency and the levelness of the stacking boxes are ensured, and the safety hazards are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model after the accordion protective cover is removed;

[0017] Figure 3 It is a structural schematic diagram of the bracket of the utility model;

[0018] Figure 4 It is a structural schematic diagram of a slider and a slide table of the utility model.

[0019] Description of reference numerals:

[0020] 1 - Lighting lamp, 2 - Bracket, 3 - Base plate, 4 - Linear guide rail, 5 - Slide block, 6 - Slide table, 7 - Motor, 8 - Ball screw, 9 - Proximity switch, 10 - Bellows protective cover; 201 - Connecting frame, 202 - Bolt; 301 - Vertical plate; 601 - Fixed plate. Detailed implementation manner

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] As Figure 1-4 shown, a gantry crane lighting device includes a lighting lamp 1, and the lighting lamp 1 is fixedly arranged on a bracket 2; the bracket 2 is fixedly arranged on a translation mechanism; the translation mechanism is arranged on the top surface of a base plate 3; the translation mechanism is used to drive the bracket 2 to translate along the base plate 3; the lighting lamp 1 is arranged below the base plate 3. During use, the base plate 3 is fixed on both sides outside the driver's cab, the length direction of the base plate 3 is arranged parallel to the translation direction of the driver's cab, and the translation mechanism is used to drive the lighting lamp 1 to translate along the base plate 3, which is convenient for adjusting the lighting area, ensures the operation efficiency and the flatness of stacking containers, and reduces potential safety hazards. The bracket 2 includes a connecting frame 201; the connecting frame 201 is integrally arranged in a U shape; both sides of the connecting frame 201 are used to fixedly arrange the lighting lamp 1 with bolts 202. On the premise of ensuring that the translation mechanism can drive the bracket 2 to translate, it is ensured that the lighting lamp 1 is arranged below the base plate 3, and the lighting of the lighting lamp 1 is unobstructed.

[0023] In the above setting, the translation mechanism includes a linear translation component; the linear translation component includes two linear guide rails 4 fixedly arranged on the top surface of the base plate 3; the two linear guide rails 4 are respectively arranged at both side edges of the top surface of the base plate 3; a slide block 5 is slidably arranged on the linear guide rail 4; the slide block 5 is fixedly arranged on the bottom surface of the slide table 6; the connecting frame 201 is arranged on the slide table 6 through bolts; the slide table 6 is connected with a translation driving component; the translation driving component is arranged on the base plate 3. The setting of the linear translation component ensures the stability of the translation of the bracket 2. In other alternative embodiments, the linear guide rail 4 of the linear translation component is replaced by a flat plate, the slide block 5 is replaced by a convex platform, a chute is arranged on the flat plate, and the convex platform is slidably arranged in the chute. The convex platform is arranged on the slide table 6.

[0024] The translation drive assembly includes a motor 7; the motor 7 is fixedly arranged on the base plate 3; the output end of the motor 7 is connected to a ball screw 8; both ends of the ball screw 8 are rotatably arranged on the base plate 3; the nut of the ball screw 8 is arranged on the slide 6. The motor 7 drives the nut of the ball screw 8 to translate, thereby driving the slide 6 to translate. Two vertical plates 301 are fixedly arranged on the top surface of the base plate 3; both ends of the ball screw 8 are rotatably arranged on the vertical plates 301. In other alternative embodiments, the translation drive assembly includes an electric push rod, the piston rod of which is connected to the slide 6, driving the slide 6 to translate. The electric push rod is fixedly arranged on the vertical plate 301, and the piston rod passes through the vertical plate 301 and then connects to the slide 6.

[0025] Among them, fixed plates 601 are arranged on both sides of the slide 6; and proximity switches 9 are arranged on the fixed plates 601 in cooperation with the vertical plates 301. The setting of the proximity switch 9 limits the translation of the slide 6, avoids the collision between the slide 6 and the vertical plates 301, and ensures the stability of the setting of the lighting lamp 1. The proximity switch 9 is electrically connected to the controller, and the controller is electrically connected to the motor 7. When the proximity switch 9 moves above the vertical plate 301, it sends a signal to the controller, and the controller controls the motor 7 to stop. Organ protective covers 10 are arranged between both sides of the slide 6 and the vertical plates 301. Provide protection for the linear guide 4 and the ball screw 8 to increase the service life.

[0026] Although the utility model is described in detail by referring to the accompanying drawings and in combination with the preferred embodiments, the utility model is not limited thereto. Without departing from the spirit and essence of the utility model, a person of ordinary skill in the art may make various equivalent modifications or substitutions to the embodiments of the utility model, and these modifications or substitutions shall be within the scope of the utility model / any person of ordinary skill in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the utility model, and they shall be within the scope of protection of the utility model. Therefore, the scope of protection of the utility model shall be based on the scope of protection of the claims.

Claims

1. A gantry crane lighting device, comprising a lighting lamp (1), characterized in that: The lighting lamp (1) is fixedly mounted on the bracket (2); the bracket (2) is fixedly mounted on the translation mechanism; the translation mechanism is arranged on the top surface of the base plate (3); the translation mechanism is used to drive the bracket (2) to translate along the base plate (3); the lighting lamp (1) is arranged below the base plate (3).

2. The gantry crane lighting device according to claim 1, characterized in that: The bracket (2) comprises a connecting frame (201); the connecting frame (201) is arranged in a U-shape as a whole; and the lighting lamp (1) is fixed to both sides of the connecting frame (201) by means of bolts (202).

3. The gantry crane lighting device according to claim 2, characterized in that: The translation mechanism comprises a linear translation assembly; the linear translation assembly comprises two linear guide rails (4) fixedly arranged on the top surface of a base plate (3); the two linear guide rails (4) are respectively arranged at the edges of both sides of the top surface of the base plate (3); a slider (5) is slidably arranged on the linear guide rails (4); the slider (5) is fixedly arranged on the bottom surface of a slide table (6); a connecting frame (201) is arranged on the slide table (6) by bolts; the slide table (6) is connected to a translation drive assembly; and the translation drive assembly is arranged on the base plate (3).

4. The gantry crane lighting device according to claim 3, characterized in that: The translation drive assembly comprises a motor (7); the motor (7) is fixedly arranged on the base plate (3); the output end of the motor (7) is connected to a ball screw (8); both ends of the ball screw (8) are rotatably arranged on the base plate (3); and a nut of the ball screw (8) is arranged on the slide table (6).

5. The gantry crane lighting device according to claim 4, characterized in that: Two vertical plates (301) are fixedly arranged on the top surface of the bottom plate (3); both ends of the ball screw (8) are rotatably arranged on the vertical plates (301); fixed plates (601) are arranged on both sides of the slide (6); and proximity switches (9) are arranged on the fixed plates (601) in coordination with the vertical plates (301).

6. The gantry crane lighting device according to claim 5, characterized in that: Organ protective covers (10) are provided between both sides of the slide (6) and the vertical plate (301).

Images