Portal crane for shipbuilding

Abstract

The utility model relates to the technical field of cranes, in particular to a shipbuilding portal crane, which is characterized in that during hoisting, after a worker operates a hoisting component to hoist a workpiece, a moving component is matched with a sliding rail, so that the moving component drives the hoisting component to move left and right, and the left and right hoisting of the workpiece is further realized; the flexibility is improved; comprising moving trolleys, supports, a cross beam, a sliding rail and strip-shaped openings, two moving trolleys are arranged at the bottom end of each support, the cross beam is arranged between the two supports, the cross beam is provided with a set of strip-shaped openings, the sliding rail is arranged at the top end of the cross beam, the moving assembly is arranged on the sliding rail in a sliding mode, and the lifting assembly is installed on the moving assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a shipbuilding gantry crane. Background Art

[0002] Cranes are auxiliary mechanical devices frequently used in the construction and manufacturing industries. There are many types of cranes, among which gantry cranes are widely used in the shipbuilding industry. Gantry cranes are supported by two legs and use a motor to drive the retractable rollers to retract and release the lifting ropes, thereby achieving lifting and lowering.

[0003] In the prior art, a patent document with publication number CN212101774U discloses a shipbuilding gantry crane, comprising a first vertical plate, a transverse plate, a lifting rope and a second vertical plate, wherein a transverse plate is fixedly connected between the first vertical plate and the second vertical plate near the top, a fixed box is provided at the top of the transverse plate, a retractable roller is movably connected inside the fixed box, and a driving motor is provided on one side of the retractable roller.

[0004] During use, it was found that when the above-mentioned device lifts the workpiece in the left and right directions, the entire device needs to be moved, which brings inconvenience to the lifting process and affects the lifting efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a shipbuilding gantry crane with improved flexibility.

[0006] The utility model discloses a shipbuilding gantry crane, comprising a moving vehicle, a support, a crossbeam, a slide rail and a strip opening, wherein two groups of moving vehicles are arranged at the bottom end of each group of supports, a crossbeam is arranged between the two groups of supports, a group of strip openings is arranged on the crossbeam, a slide rail is arranged on the top of the crossbeam, and the utility model further comprises a moving component and a hoisting component, the moving component is slidably arranged on the slide rail, and the hoisting component is installed on the moving component; during hoisting, after the staff operates the hoisting component to hoist the workpiece, the moving component cooperates with the slide rail, so that the moving component drives the hoisting component to move to the left and right positions, thereby further realizing the left and right hoisting of the workpiece and improving flexibility.

[0007] Preferably, the moving assembly includes a moving seat and moving wheels. The moving seat is provided with moving wheels, and the moving wheels are slidably mounted on the slide rails. The moving wheels cooperate with the slide rails to drive the moving seat to move left and right, thereby improving flexibility.

[0008] Preferably, the lifting assembly includes a vertical plate, a No. 1 motor, a rotating shaft, a winding drum, a wire rope, a hook and an auxiliary assembly, two groups of vertical plates are arranged at the bottom end of the movable seat, a group of rotating shafts are rotatably arranged between the two groups of vertical plates, a winding drum is installed on the rotating shaft, a wire rope is wound on the winding drum, a hook is arranged at the starting end of the wire rope, a No. 1 motor is arranged at the outer end of one group of vertical plates, an output end of the No. 1 motor is connected to one end of the rotating shaft, and auxiliary components are arranged on the vertical plates; when it is necessary to lift the workpiece, the No. 1 motor is started to make the rotating shaft drive the winding drum to unwind the wire rope, thereby lowering the hook and lifting the workpiece, and then the No. 1 motor drives the winding drum to rewind the wire rope, thereby causing the hook to drive the workpiece to rise.

[0009] Preferably, the auxiliary component includes a No. 2 motor, a reciprocating screw, a light bar, a movable plate and a threading hole. A reciprocating screw is rotatably arranged between the two groups of vertical plates, a light bar is fixedly arranged between the two groups of vertical plates, the movable plate is threadedly connected to the reciprocating screw, and the movable plate is slidably connected to the light bar. A No. 2 motor is arranged at the outer end of one group of vertical plates, and the output end of the No. 2 motor is connected to one end of the reciprocating screw. A threading hole is arranged on the movable plate, and the wire rope passes through the threading hole. When the winding drum reels or unwinds the wire rope, the No. 2 motor is started, so that the reciprocating screw drives the movable plate to move back and forth left and right with the cooperation of the light bar, so that the threading hole guides the wire rope, so that the winding drum evenly winds the wire rope.

[0010] Preferably, it also includes wire rollers, and two groups of wire rollers are rotatably arranged inside the threading hole; the two groups of wire rollers make rolling contact with the hook to reduce the hard friction between the hook and the threading hole.

[0011] Preferably, the outer side wall of the bracket is provided with an anti-rust coating; the anti-rust coating protects the bracket against rust, thereby increasing the service life of the bracket.

[0012] Preferably, it also includes a reinforcement frame, and each group of brackets is provided with a group of reinforcement frames inside; the reinforcement frames reinforce the brackets to improve the firmness.

[0013] Compared with the prior art, the beneficial effect of the utility model is that during hoisting, after the staff operates the hoisting assembly to hoist the workpiece, the moving assembly cooperates with the slide rail to make the moving assembly drive the hoisting assembly to move left and right, thereby further realizing left and right hoisting of the workpiece and improving flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0016] Figure 3It is an enlarged structural diagram of the moving seat and the hook;

[0017] Figure 4 It is an enlarged structural diagram of the structures such as the No. 1 motor and the No. 2 motor;

[0018] Figure 5 yes Figure 4 Schematic diagram of the partial enlarged structure of part A in the middle.

[0019] Markings in the attached drawings: 1. Mobile vehicle; 2. Bracket; 3. Crossbeam; 4. Slide rail; 5. Mobile seat; 6. Mobile wheel; 8. Vertical plate; 9. No. 1 motor; 10. Rotating shaft; 11. Winding drum; 12. Wire rope; 13. Hook; 14. No. 2 motor; 15. Reciprocating screw; 16. Light bar; 17. Mobile plate; 18. Threading hole; 19. Wire roller; 20. Reinforcement frame; 21. Strip opening. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figure 1 and Figure 2 As shown, a shipbuilding gantry crane of the utility model comprises a moving vehicle 1, a bracket 2, a crossbeam 3, a slide rail 4 and a strip opening 21, two groups of moving vehicles 1 are arranged at the bottom end of each group of brackets 2, a crossbeam 3 is arranged between the two groups of brackets 2, a group of strip openings 21 are arranged on the crossbeam 3, a slide rail 4 is arranged on the top of the crossbeam 3, and also comprises a moving component and a lifting component, a moving component is slidably arranged on the slide rail 4, and a lifting component is installed on the moving component;

[0023] like Figure 3 As shown, the moving assembly includes a moving seat 5 and a moving wheel 6. The moving seat 5 is provided with a moving wheel 6, and the moving wheel 6 is slidably mounted on the slide rail 4;

[0024] like Figures 2 to 4 As shown, the lifting assembly includes a vertical plate 8, a No. 1 motor 9, a rotating shaft 10, a winding drum 11, a wire rope 12, a hook 13 and an auxiliary assembly. Two groups of vertical plates 8 are arranged at the bottom end of the movable seat 5. A group of rotating shafts 10 are rotatably arranged between the two groups of vertical plates 8. A winding drum 11 is installed on the rotating shaft 10. The wire rope 12 is wound on the winding drum 11. A hook 13 is arranged at the starting end of the wire rope 12. A No. 1 motor 9 is arranged at the outer end of a group of vertical plates 8. The output end of the No. 1 motor 9 is connected to one end of the rotating shaft 10. Auxiliary assemblies are arranged on the vertical plates 8.

[0025] In this embodiment, when the workpiece needs to be hoisted, the No. 1 motor 9 is started to make the rotating shaft 10 drive the winding drum 11 to unwind the wire rope 12, so that the hook 13 descends and the workpiece is hoisted. Thereafter, the No. 1 motor 9 drives the winding drum 11 to reel in the wire rope 12, so that the hook 13 drives the workpiece to rise, and the moving wheel 6 cooperates with the slide rail 4 to drive the moving seat 5 to move left and right, thereby realizing the left and right displacement of the workpiece.

[0026] Example 2

[0027] like Figure 1 and Figure 2 As shown, a shipbuilding gantry crane of the utility model comprises a moving vehicle 1, a bracket 2, a crossbeam 3, a slide rail 4 and a strip opening 21, two groups of moving vehicles 1 are arranged at the bottom end of each group of brackets 2, a crossbeam 3 is arranged between the two groups of brackets 2, a group of strip openings 21 are arranged on the crossbeam 3, a slide rail 4 is arranged on the top of the crossbeam 3, and also comprises a moving component and a lifting component, a moving component is slidably arranged on the slide rail 4, and a lifting component is installed on the moving component;

[0028] like Figure 3 As shown, the moving assembly includes a moving seat 5 and a moving wheel 6. The moving seat 5 is provided with a moving wheel 6, and the moving wheel 6 is slidably mounted on the slide rail 4;

[0029] like Figures 2 to 4 As shown, the hoisting assembly includes a vertical plate 8, a No. 1 motor 9, a rotating shaft 10, a winding drum 11, a wire rope 12, a hook 13 and an auxiliary assembly. Two groups of vertical plates 8 are arranged at the bottom end of the movable seat 5. A group of rotating shafts 10 are rotatably arranged between the two groups of vertical plates 8. A winding drum 11 is installed on the rotating shaft 10. The wire rope 12 is wound on the winding drum 11. The starting end of the wire rope 12 is provided with a hook 13. The outer end of a group of vertical plates 8 is provided with a No. 1 motor 9. The output end of the No. 1 motor 9 is connected to one end of the rotating shaft 10. Auxiliary assemblies are arranged on the vertical plates 8.

[0030] like Figure 3 , Figure 4 and Figure 5 As shown, the auxiliary assembly includes a No. 2 motor 14, a reciprocating screw 15, a light bar 16, a moving plate 17 and a threading hole 18. The reciprocating screw 15 is rotatably arranged between the two sets of vertical plates 8, the light bar 16 is fixedly arranged between the two sets of vertical plates 8, the moving plate 17 is threadedly connected with the reciprocating screw 15, the moving plate 17 is slidably connected with the light bar 16, the outer end of one set of vertical plates 8 is provided with a No. 2 motor 14, the output end of the No. 2 motor 14 is connected with one end of the reciprocating screw 15, the moving plate 17 is provided with a threading hole 18, and the wire rope 12 passes through the threading hole 18;

[0031] It also includes a wire roller 19 and a reinforcing frame 20. Two groups of wire rollers 19 are rotatably arranged inside the threading hole 18, and a group of reinforcing frames 20 are respectively arranged inside each group of brackets 2.

[0032] In this embodiment, when the workpiece needs to be hoisted, the No. 1 motor 9 is started to make the rotating shaft 10 drive the winding drum 11 to unwind the wire rope 12, so that the hook 13 descends and the workpiece is hoisted, and then the No. 1 motor 9 drives the winding drum 11 to rewind the wire rope 12, so that the hook 13 drives the workpiece to rise, and the moving wheel 6 cooperates with the slide rail 4 to drive the moving seat 5 to move left and right, so as to realize the left and right displacement of the workpiece. When the winding drum 11 reels or unwinds the wire rope 12, the No. 2 motor 14 is started, so that the reciprocating screw 15 drives the moving plate 17 to reciprocate left and right with the cooperation of the optical rod 16, so that the threading hole 18 guides the wire rope 12, so that the winding drum 11 evenly winds the wire rope 12.

[0033] The mobile vehicle 1, the mobile seat 5, the first motor 9 and the second motor 14 of the shipbuilding gantry crane of the utility model are purchased on the market, and the technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in the field to make creative labor.

[0034] The above is only a preferred embodiment 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 technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A shipbuilding gantry crane, comprising a moving vehicle (1), a support (2), a crossbeam (3), a slide rail (4) and a strip opening (21), wherein two groups of moving vehicles (1) are arranged at the bottom end of each group of supports (2), a crossbeam (3) is arranged between the two groups of supports (2), a group of strip openings (21) is arranged on the crossbeam (3), and a slide rail (4) is arranged at the top end of the crossbeam (3), characterized in that: It also comprises a moving component and a hanging component. The moving component is slidably arranged on the slide rail (4), and the hanging component is installed on the moving component.

2. A shipbuilding gantry crane according to claim 1, characterized in that: The moving assembly comprises a moving seat (5) and a moving wheel (6); the moving seat (5) is provided with the moving wheel (6), and the moving wheel (6) is slidably mounted on the slide rail (4).

3. A shipbuilding gantry crane according to claim 2, characterized in that: The hoisting assembly comprises a vertical plate (8), a first motor (9), a rotating shaft (10), a winding drum (11), a wire rope (12), a hook (13) and an auxiliary assembly. Two groups of vertical plates (8) are arranged at the bottom end of the movable seat (5). A group of rotating shafts (10) are rotatably arranged between the two groups of vertical plates (8). A winding drum (11) is installed on the rotating shaft (10). A wire rope (12) is wound on the winding drum (11). A hook (13) is arranged at the starting end of the wire rope (12). A first motor (9) is arranged at the outer end of one group of vertical plates (8). The output end of the first motor (9) is connected to one end of the rotating shaft (10). The auxiliary assembly is arranged on the vertical plate (8).

4. A shipbuilding gantry crane according to claim 3, characterized in that: The auxiliary component comprises a second motor (14), a reciprocating screw (15), a light bar (16), a movable plate (17) and a threading hole (18); a reciprocating screw (15) is rotatably arranged between the two groups of vertical plates (8); a light bar (16) is fixedly arranged between the two groups of vertical plates (8); the movable plate (17) is threadedly connected to the reciprocating screw (15); the movable plate (17) is slidably connected to the light bar (16); a second motor (14) is arranged at the outer end of one group of vertical plates (8); an output end of the second motor (14) is connected to one end of the reciprocating screw (15); a threading hole (18) is arranged on the movable plate (17); and a steel wire rope (12) passes through the threading hole (18).

5. A shipbuilding gantry crane according to claim 4, characterized in that: It also comprises a wire roller (19), and two groups of wire rollers (19) are rotatably arranged inside the threading hole (18).

6. A shipbuilding gantry crane according to claim 1, characterized in that: The outer side wall of the bracket (2) is provided with an anti-rust coating.

7. A shipbuilding gantry crane according to claim 1 or 6, characterized in that: It also comprises a reinforcement frame (20), and a group of reinforcement frames (20) are respectively arranged inside each group of brackets (2).

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