Portal crane accurate in positioning

Abstract

The utility model discloses a portal crane with accurate positioning, which comprises a cart travelling mechanism, support legs, a main beam and a crane carriage, a track is arranged on the main beam, the crane carriage runs on the track, the crane carriage comprises a carriage frame, a sliding frame and a winding drum mechanism, a sliding rail is horizontally arranged at the top of the carriage frame, a sliding chute is arranged at the bottom of the sliding frame, and the sliding chute is connected with the trolley frame. The sliding frame is connected to the trolley frame in a sliding mode, an air cylinder is hinged between the trolley frame and the sliding frame, and the winding drum mechanism is installed on the sliding frame. A lifting appliance is arranged below the hoisting trolley and comprises a mounting plate, an industrial camera is arranged on the mounting plate, a movable pulley block is arranged at the top of the mounting plate and connected with a winding drum mechanism through a steel wire rope, and a lifting hook is arranged at the bottom of the mounting plate; the position of the lifting appliance is fed back in real time through shooting of the industrial camera, and the position of the crane carriage is adjusted according to the distance between the lifting appliance and an object, so that the lifting appliance is accurately butted with the object, and the lifting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting machinery equipment field, especially a door -type crane of accurate positioning. BACKGROUND

[0002] The door -type crane is a kind of hoisting equipment widely used in outdoor freight yard, stockyard, port and other places, and its metal structure is similar to door frame, can directly walk on ground track, with high ground utilization, large operation range, wide adaptability, strong universality and other characteristics.The hoisting position of door -type crane hoisting article and the terminal position of hoisting are fixed, so there is certain requirement to the accuracy of hoisting, but since the door -type crane hoists mostly bulky, heavy articles, it is inconvenient to position, and deviation is prone to occur, especially for some batch hoisted materials, it is inconvenient to accurately position to the specified position, seriously affect the efficiency of crane operation. UTILITARY MODEL CONTENTS

[0003] The utility model aims at providing a door -type crane of accurate positioning, the position of lifting appliance is fed back in real time through the shooting of industrial camera, the position of hoisting trolley is adjusted through the distance between lifting appliance and article, so as to make lifting appliance and article accurately butt joint, improve the efficiency of hoisting.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a door -type crane of accurate positioning, including cart walking mechanism, support leg, main beam and hoisting trolley, the track is provided on main beam, hoisting trolley runs on track, hoisting trolley includes trolley frame, sliding frame and reel mechanism, the top of trolley frame is horizontally provided with slide rail, the setting direction of slide rail and the setting direction of track are perpendicular to each other, the bottom of sliding frame is provided with the sliding slot matched with slide rail, sliding frame is slidably connected on trolley frame through slide rail and sliding slot, cylinder is hinged between trolley frame and sliding frame, reel mechanism is installed on sliding frame;Lifting appliance is arranged below hoisting trolley, and lifting appliance includes mounting plate, industrial camera is arranged on mounting plate, dynamic pulley block is arranged on the top of mounting plate, dynamic pulley block is connected with reel mechanism through steel wire rope, and lifting hook is arranged on the bottom of mounting plate.

[0005] Optionally, the bottom of sliding frame is fixedly connected with connecting frame, the bottom of connecting frame is below main beam, and anti-swing mechanism is installed between connecting frame and mounting plate.

[0006] Optionally, the anti-swing mechanism has two groups and is installed on the two sides of connecting frame respectively, each group of anti-swing mechanism includes two hinged seats, the two hinged seats are fixedly connected at the bottom of connecting frame and the top of mounting plate respectively, connecting rod is hinged on hinged seat, and two connecting rods are hingedly connected at the end.

[0007] Optionally, the two groups of anti-swing mechanism are arranged in staggered mode.

[0008] Optionally, the industrial cameras are provided in two and are arranged at two ends of the diagonal line of the mounting plate.

[0009] The door crane with accurate positioning has the following advantages:

[0010] (1) The trolley traveling mechanism can move the lifting appliance to the vicinity of the object, and then control the action of the trolley and the cylinder through the data feedback of the industrial camera, accurately control the movement of the lifting appliance, and quickly and accurately lift or lower the object, thereby improving the efficiency of the lifting operation.

[0011] (2) The anti-swing mechanism can ensure the stability of the lifting appliance, and when the trolley moves or the cylinder pushes the sliding frame, the lifting appliance will not shake greatly due to inertia, thereby improving the positioning accuracy of the lifting appliance.

[0012] (3) The two industrial cameras arranged in a diagonal line can more accurately determine the position of the lifting appliance, thereby improving the positioning accuracy of the lifting appliance. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model.

[0014] Figure 2 is a structural schematic view of the trolley.

[0015] Figure 3 is Figure 2 an enlarged schematic view of part A in FIG. DETAILED DESCRIPTION

[0016] The utility model will be further described below with reference to the drawings.

[0017] As Figures 1-3 shown, a door crane with accurate positioning includes a trolley traveling mechanism 1, a supporting leg 2, a main beam 3, and a trolley 4. The main beam 3 is provided with a track, and the trolley 4 runs on the track. The trolley 4 includes a trolley frame 5, a sliding frame 6, and a drum mechanism 7. The drum mechanism 7 is installed on the sliding frame 6. The top of the trolley frame 5 is horizontally provided with a sliding rail 8. The setting direction of the sliding rail 8 is perpendicular to the setting direction of the track. The track is arranged in the left-right direction, and the sliding rail 8 is arranged in the front-back direction. The bottom of the sliding frame 6 is provided with a sliding groove 9 matched with the sliding rail 8. The top and both sides of the sliding groove 9 are provided with rollers 10. The sliding frame 6 is slidably connected to the trolley frame 5 through the sliding rail 8 and the sliding groove 9. A cylinder 11 is hingedly connected between the trolley frame 5 and the sliding frame 6. The cylinder 11 can drive the sliding frame 6 to move forward and backward. The rollers 10 can avoid the sliding frame 6 from being stuck during movement.

[0018] The hoist trolley 4 is provided below with a lifting appliance 12, the lifting appliance 12 comprises a mounting plate 13, two industrial cameras 14 are arranged at two ends of a diagonal line of the mounting plate 13, a top of the mounting plate 13 is provided with a movable pulley block 15, the movable pulley block 15 is connected with the drum mechanism 7 through a steel wire rope, and a lifting hook 16 is arranged at a bottom of the mounting plate 13. The bottom of the sliding frame 6 is fixedly connected with a connecting frame 17, the bottom of the connecting frame 17 is below the main beam 3, an anti-swing mechanism 18 is arranged between the connecting frame 17 and the mounting plate 13, the anti-swing mechanism 18 has two groups and is arranged at left and right sides of the connecting frame 17 respectively, and the two groups of anti-swing mechanisms 18 are arranged in a staggered mode. Each group of anti-swing mechanisms 18 comprises two hinged seats 19, the two hinged seats 19 are fixedly connected at the bottom of the connecting frame 17 and the top of the mounting plate 13 respectively, a connecting rod 20 is hinged on the hinged seat 19, and the two connecting rods 20 are hinged at ends and are bent towards the center of the lifting appliance 12.

[0019] The cart walking mechanism 1 can move the lifting appliance 12 to the vicinity of an object, then judge the position of the lifting appliance 12 through accurate data feedback of the two industrial cameras 14, and then control the actions of the hoist trolley 4 and the air cylinder 11 to finely adjust the position of the lifting appliance 12, so that the lifting appliance 12 is accurately moved to a specified position, and subsequent operations are carried out, and accurate positioning of the lifting appliance 12 can improve the efficiency of hoisting operations. The connecting rod 20 can be bent or straightened along with the lifting of the lifting appliance 12, and the stability of the lifting appliance 12 is always maintained, and when the lifting appliance 12 is lifted or horizontally moved, large shaking due to inertia does not occur, so that the positioning accuracy of the lifting appliance 12 is improved.

[0020] The above-described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative labor belong to the protection scope of the utility model.

Claims

1. A gantry crane with precise positioning, comprising a trolley traveling mechanism, outriggers, a main beam, and a lifting trolley, wherein a rail is provided on the main beam and the lifting trolley runs on the rail, characterized in that: The lifting trolley includes a trolley frame, a sliding frame, and a drum mechanism. A horizontal slide rail is mounted on the top of the trolley frame, with the slide rail's direction perpendicular to the direction of the track. A matching groove is provided at the bottom of the sliding frame, which is slidably connected to the trolley frame via the slide rail and groove. A cylinder is hinged between the trolley frame and the sliding frame. The drum mechanism is mounted on the sliding frame. A lifting device is located below the lifting trolley, including a mounting plate. An industrial camera is mounted on the mounting plate, and a movable pulley block is located at the top of the mounting plate. The movable pulley block is connected to the drum mechanism via a wire rope. A hook is located at the bottom of the mounting plate.

2. The gantry crane with precise positioning as described in claim 1, characterized in that: A connecting frame is fixedly connected to the bottom of the sliding frame. The bottom of the connecting frame is located below the main beam. An anti-sway mechanism is installed between the connecting frame and the mounting plate.

3. The gantry crane with precise positioning as described in claim 2, characterized in that: There are two sets of anti-sway mechanisms, which are installed on both sides of the connecting frame. Each set of anti-sway mechanisms includes two hinge seats, which are fixedly connected to the bottom of the connecting frame and the top of the mounting plate, respectively. Connecting rods are hinged on the hinge seats, and the ends of the two connecting rods are hinged together.

4. The gantry crane with precise positioning as described in claim 3, characterized in that: The two anti-sway mechanisms are set in a staggered manner.

5. The gantry crane with precise positioning as described in claim 1, characterized in that: There are two industrial cameras, each positioned at one end of the diagonal of the mounting plate.

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