Unmanned intelligent bridge crane

Abstract

The invention particularly relates to an unmanned intelligent bridge crane which comprises two end beams walking on a bridge frame, a main beam arranged between the two end beams, trolley frames running on the top of the main beam, a mounting plate fixedly connected to the top between the trolley frames, and a winch mounted on the top of the mounting plate. The anti-overturning trolley is characterized in that an anti-overturning device is arranged at the bottom of the trolley frame, the anti-overturning device comprises a limiting column vertically penetrating through the bottom of the trolley frame, the limiting column vertically penetrates through the main beam and extends downwards, a rotating shaft is arranged on the lower portion of the trolley frame, gears are fixedly connected to the positions, located on the two sides of the limiting column, of the rotating shaft, and the gears are meshed with racks; the racks are horizontally installed on the top of the main beam and located on the two sides of the limiting column, and an anti-deviation device is arranged on the limiting column. The auxiliary wheels move in the limiting grooves, so that friction force is reduced, and meanwhile the trolley frame can be prevented from deviating and derailing.

Description

Technical Field

[0001] The present invention relates to the field of cranes, and in particular to an unmanned intelligent bridge crane. Background Art

[0002] A bridge crane is a lifting device that is horizontally mounted above a workshop, warehouse, or material yard to lift materials. Because its two ends are located on tall concrete columns or metal brackets, it looks like a bridge. The bridge of a bridge crane runs longitudinally along the tracks laid on the elevated platforms on both sides, making full use of the space under the bridge to lift materials without being hindered by ground equipment. It is the most widely used and most numerous type of lifting machinery. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides an unmanned intelligent bridge crane.

[0004] The technical solution of the present invention is achieved as follows: an unmanned intelligent bridge crane comprises two end beams walking on a bridge frame, a main beam is arranged between the two end beams, a trolley frame is traveled on the top of the main beam, a mounting plate is fixedly connected to the top between the trolley frames, a winch is installed on the top of the mounting plate, and it is characterized in that: an anti-rollover device is arranged at the bottom of the trolley frame, the anti-rollover device comprises a limit column vertically passing through the bottom of the trolley frame, the limit column vertically passes through the main beam and extends downward, a rotating shaft is arranged at the lower part of the trolley frame, a gear is fixedly connected on the rotating shaft and located on both sides of the limit column, the gear is meshed with a rack, the rack is horizontally installed on the top of the main beam and located on both sides of the limit column, and an anti-deviation device is arranged on the limit column.

[0005] The anti-deviation device includes a horizontal shaft passing through the lower part of a limiting column, an auxiliary wheel is rotatably connected to the horizontal shaft, and limiting grooves are provided at the bottom of the main beam and on both sides of the limiting column, and the auxiliary wheel moves along the limiting grooves.

[0006] Two winches are installed at intervals on the top of the mounting plate. The wire rope of the winch passes vertically through the mounting plate. The tail of the wire rope is installed on a fixed pulley, the fixed pulley is installed on a pulley frame, and the pulley frame is installed on the top of the sling.

[0007] The sling comprises a sling beam, telescopic beams are arranged at both ends of the sling beam, an L-shaped hanger is fixedly connected to the end of the telescopic beam, and an infrared sensor is installed at the bottom of the telescopic beam.

[0008] A horizontally arranged mounting plate is fixedly connected to the two ends of one of the main beams and the side in the width direction, and a vertically arranged connecting plate is fixedly connected to the end of the mounting plate close to the main beam. The connecting plate is connected to the main beam by bolts, and a strip hole is opened on the mounting plate. A bolt rod is slidably arranged in the strip hole, and an infrared sensor is installed on the top of the bolt rod. A receiver matching the infrared sensor is symmetrically installed on the side of the trolley frame, and a nut is installed on the bolt rod and at the bottom of the mounting plate.

[0009] The front and rear side plates of the sling beam are symmetrically provided with sliding devices, which include a rotating shaft, both ends of which are installed on bearing seats, a pulley is fixedly connected to the rotating shaft, a through hole is provided at the pulley, and the pulley extends into the through hole to contact the telescopic beam.

[0010] Buffer devices are arranged on two opposite sides of the two end beams, and the buffer devices are installed between the two main beams. The buffer devices include a horizontally arranged viscous damper, and the other end of the viscous damper is fixedly connected with a magnet seat, and an electromagnet is installed on the magnet seat.

[0011] The technical solution of the present invention has the following positive effects: a limiting column is arranged at the center position of the bottom of the trolley frame of the present invention, the limiting column is arranged through the main beam, a horizontal axis is arranged at the lower part of the limiting column, the horizontal axis is located at the bottom of the main beam, which can prevent the sling from flipping the trolley frame upward when it rises to the top; an auxiliary wheel is installed on the horizontal axis, and the auxiliary wheel moves in the limiting groove, thereby reducing friction, and can also prevent the trolley frame from derailing; the trolley frame is positioned more accurately through the coordination of the rack and the gear; the pulley can reduce the friction between the telescopic beam and the sling beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention.

[0013] Figure 2 It is a schematic diagram of the structure of the present invention.

[0014] Figure 3 This is a schematic diagram of the connection between the main beam and the limit column.

[0015] Figure 4 Schematic diagram of the structure of the spreader.

[0016] Figure 5 This is a schematic diagram of the connection between the main beam, trolley frame and limit column.

[0017] Figure 6 Schematic diagram of the side structure of the end beam. DETAILED DESCRIPTION

[0018] like Figure 1-6As shown, an unmanned intelligent bridge crane comprises two end beams 1 walking on a bridge frame, a main beam 2 is arranged between the two end beams 1, a trolley frame 3 is traveled on the top of the main beam 2, a mounting plate 4 is fixedly connected to the top between the trolley frames 3, two interval-arranged winches 5 are installed on the top of the mounting plate 4, the wire rope of the winch 5 is vertically passed through the mounting plate 4, the tail of the wire rope is installed on a fixed pulley 13, the fixed pulley 13 is installed on a pulley frame 14, the pulley frame 14 is installed on the top of the sling, a telescopic rod 31 is connected to the outside of each wire rope and located between the bottom of the mounting plate 4 and the top of the sling, an anti-rollover device is arranged at the bottom of the trolley frame 3, and the anti-rollover device comprises a limiting column 6 vertically passing through the bottom of the trolley frame 3, the limiting column 6 vertically passes through the main beam 2 and is directed to The trolley frame 3 is extended downward, and a rotating shaft 7 is provided at the lower part of the trolley frame 3. One end of the rotating shaft 7 is connected to a driving motor, which is not shown in the figure. A gear 8 is fixedly connected to the rotating shaft 7 and located on both sides of the limiting column 6. The gear 8 is meshed with a rack 9. The rack 9 is horizontally installed on the top of the main beam 2 and located on both sides of the limiting column 6. A horizontal shaft 10 is passed through the lower part of the limiting column 6, and an anti-deviation device is provided on the horizontal shaft 10; specifically, when the sling lifts the goods, the gear 8 rotates to drive the trolley frame 3 to move on the rack 9, and the gear 8 cooperates with the rack 9 to make the positioning more accurate; when the sling is lifting, if it does not stop and continues to move upward, the horizontal shaft 10 is located at the bottom of the main beam 2, and the horizontal shaft 10 plays a limiting role to prevent the trolley frame 3 from being flipped upward.

[0019] The anti-deviation device includes an auxiliary wheel 11 rotatably connected to a horizontal axis 10, and limiting grooves 12 are provided at the bottom of the main beam 2 and on both sides of the limiting columns 6, and the auxiliary wheels 11 move along the limiting grooves 12; specifically, the horizontal axis 10 is located at the bottom of the main beam 1, and when the trolley frame 3 moves, the horizontal axis 10 also moves, and the auxiliary wheels 11 move in the limiting grooves 12, thereby reducing friction, and at the same time, it can also prevent the trolley frame from deviating when walking.

[0020] The hoist includes a hoist beam 15, which is a hollow structure with openings at both ends. A double-headed hydraulic cylinder is installed in the hoist beam 15, and telescopic beams 16 are connected to both ends of the double-headed hydraulic cylinder. The ends of the telescopic beams 16 are fixedly connected to L-shaped hangers 17, and a camera 18 is installed at the bottom of the telescopic beams 16; specifically, when lifting the steel coil, the double-headed hydraulic cylinder is started to drive the telescopic beam 116 to move left and right, and the horizontal part of the L-shaped hanger 17 is inserted into the steel coil. The camera 18 can capture the steel coil to ensure that the steel coil is on the L-shaped hanger 17.

[0021] A horizontally arranged mounting plate 4 is fixedly connected to the two ends of one of the main beams 2 and the side in the width direction, and a vertically arranged connecting plate 22 is fixedly connected to one end of the mounting plate 4 close to the main beam 2. The connecting plate 22 is connected to the main beam 2 by bolts, and a strip hole 23 is opened on the mounting plate 4, and a bolt rod 24 is slidably arranged in the strip hole 23. An infrared sensor 25 is installed on the top of the bolt rod 24, and a receiver 32 matching the infrared sensor 25 is symmetrically installed on the side of the trolley frame 3, and a nut 26 is installed on the bolt rod 24 and at the bottom of the mounting plate 4; specifically, when the trolley frame 3 moves left and right on the main beam 2, when it runs to the two ends, when the receiver 32 on the side of the trolley frame 3 receives the signal of the infrared sensor 25, the trolley frame 3 stops running, and the position of the infrared sensor 25 can be adjusted, and the infrared sensor 25 can move back along the strip hole 23, so as to adjust the parking position of the trolley frame 3.

[0022] Sliding devices are symmetrically arranged on the front and rear side plates of the spreader beam 15, and sliding devices are also symmetrically arranged on the rear side plate of the spreader beam 15. The sliding devices include a rotating shaft 27, both ends of which are installed on the bearing seat 28, and a pulley 29 is fixedly connected to the rotating shaft 27. A through hole 30 is arranged at the pulley 29, and the pulley 29 extends into the through hole 30 to contact the telescopic beam 16; specifically, when the telescopic beam 16 is moving, the pulley 29 can reduce the friction between the telescopic beam 16 and the spreader beam 15.

[0023] Buffer devices are provided on the two opposite sides of the two end beams 1, and the buffer devices are installed between the two main beams 2. The buffer devices include a horizontally arranged viscous damper 33, and the other end of the viscous damper 33 is fixedly connected to a magnet seat 34, and an electromagnet 35 is installed on the magnet seat 34; specifically, when the trolley frame 3 moves to both ends along the main beam 2, if the trolley frame 3 does not stop and continues to move, the mounting plate 4 between the trolley frames 3 will be adsorbed by the electromagnet 34, so that the trolley frame 3 will not collide and the goods will not swing, thereby improving safety.

Claims

1. An unmanned intelligent bridge crane, comprising two end beams running on a bridge frame, a main beam arranged between the two end beams, a trolley frame running on the top of the main beam, a mounting plate fixedly connected to the top between the trolley frames, a winch installed on the top of the mounting plate, Features: An anti-rollover device is provided at the bottom of the trolley frame, and the anti-rollover device includes a limit column vertically passing through the bottom of the trolley frame, the limit column vertically passes through the main beam and extends downward, a rotating shaft is provided at the lower part of the trolley frame, a gear is fixedly connected on the rotating shaft and located on both sides of the limit column, the gear is meshed with a rack, the rack is horizontally installed on the top of the main beam and located on both sides of the limit column, and an anti-deviation device is provided on the limit column.

2. The unmanned intelligent bridge crane according to claim 1, Features: The anti-deviation device includes a horizontal shaft passing through the lower part of a limiting column, an auxiliary wheel is rotatably connected to the horizontal shaft, and limiting grooves are provided at the bottom of the main beam and on both sides of the limiting column, and the auxiliary wheel moves along the limiting grooves.

3. The unmanned intelligent bridge crane according to claim 1, Features: Two winches are installed at intervals on the top of the mounting plate. The wire rope of the winch passes vertically through the mounting plate. The tail of the wire rope is installed on a fixed pulley, the fixed pulley is installed on a pulley frame, and the pulley frame is installed on the top of the sling.

4. The unmanned intelligent bridge crane according to claim 1, Features: The sling comprises a sling beam, telescopic beams are arranged at both ends of the sling beam, an L-shaped hanger is fixedly connected to the end of the telescopic beam, and an infrared sensor is installed at the bottom of the telescopic beam.

5. The unmanned intelligent bridge crane according to claim 1, Features: A horizontally arranged mounting plate is fixedly connected to the two ends of one of the main beams and the side in the width direction, and a vertically arranged connecting plate is fixedly connected to the end of the mounting plate close to the main beam. The connecting plate is connected to the main beam by bolts, and a strip hole is opened on the mounting plate. A bolt rod is slidably arranged in the strip hole, and an infrared sensor is installed on the top of the bolt rod. A receiver matching the infrared sensor is symmetrically installed on the side of the trolley frame, and a nut is installed on the bolt rod and at the bottom of the mounting plate.

6. The unmanned intelligent bridge crane according to claim 1, Features: The front and rear side plates of the sling beam are symmetrically provided with sliding devices, which include a rotating shaft, both ends of which are installed on the bearing seats, a pulley is fixedly connected to the rotating shaft, a through hole is provided at the pulley, and the pulley extends into the through hole to contact the telescopic beam.

7. The unmanned intelligent bridge crane according to claim 1, Features: Buffer devices are arranged on two opposite sides of the two end beams, and the buffer devices are installed between the two main beams. The buffer devices include a horizontally arranged viscous damper, and the other end of the viscous damper is fixedly connected with a magnet seat, and an electromagnet is installed on the magnet seat.

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