CN205328482U - Multi -purpose gantry container crane of two hoisting points - Google Patents

Abstract

The utility model belongs to the technical field of crane equipment, and in particular relates to a double-suspension point multi-purpose container gantry crane, which includes a cart travel mechanism, a door hanger frame, a driver's cab, a power supply system, an electrical control system and a safety monitoring system, and also includes a The hoisting trolley on the door hanger mast and the unpowered container spreader with double lifting points; Drum, wire rope reel driving device, lifting point 1 and lifting point 2; said lifting point 1 is fixed on one end of the supporting frame of the lifting trolley, and lifting point 2 is movably fixed on the other end of the supporting frame of the lifting trolley. The utility model has the advantages of simple structure, reasonableness, safety and reliability, light weight of the whole machine, low power and low energy consumption, and lower requirements for small and medium freight yards than special container door cranes, thereby reducing investment.

Description

A multi-purpose container gantry crane with double lifting points

technical field

The utility model belongs to the technical field of crane equipment, in particular to a multi-purpose container gantry crane with double lifting points.

Background technique

At present, my country's railway container transport only accounts for 4%, and the 13th Five-Year Plan is expected to reach 20%. Therefore, a large number of small and medium-sized railway freight yards need to open container loading and unloading business, which is faced with the selection of lifting machinery. Traditional container-specific gantry cranes are mainly used in large-scale railway freight yards, which have a large workload, high cost, and occupy a large space; while small and medium-sized freight yards have the characteristics of small workspace, small workload, low investment cost, simplicity, flexibility, and multi-purpose. . Therefore, the traditional container-specific gantry cranes are not suitable for small and medium-sized railway freight yards.

Contents of the invention

Aiming at the defects existing in the prior art, the utility model provides a multi-purpose container gantry crane with double lifting points, which has a simple, reasonable, safe and reliable structure, light weight of the whole machine, low power and low energy consumption; Compared with the special container door crane, the investment is reduced, and the problem of container operation needs in small and medium-sized freight yards is solved without excessive investment.

The technical scheme of the utility model is:

A multi-purpose container gantry crane with double lifting points, including the traveling mechanism of the cart, the door frame of the door crane, the driver's cab, the power supply system, the electrical control system and the safety monitoring system, as well as the trolley and the double crane located on the door frame There is no power container spreader for the lifting point; the lifting trolley includes a lifting trolley support frame composed of two lifting trolley traveling beams and two lifting trolley main beams, a wire rope drum, a wire rope drum driving device, a lifting point One and two lifting points; the wire rope reel driving device drives the wire rope reel to rotate and is fixed on the traveling beam of the lifting trolley through the support seat; the first lifting point is fixed on one end of the supporting frame of the lifting trolley, and the second lifting point can be It is movable and fixed on the other end of the supporting frame of the lifting trolley; the first lifting point and the second lifting point are respectively connected with the first lifting point of the double lifting point unpowered container spreader and the second lifting point of the double lifting point unpowered container spreader.

The second lifting point can be moved by -300mm to +300mm as a whole, ensuring that the non-powered container spreader at the double lifting point can rotate -5° to +5o.

The connecting beam can be connected between the first lifting point and the second lifting point.

The lifting point one includes a lifting point fixed pulley load-bearing main beam located below the steel wire rope reel and fixed on the support base, two lifting points fixed pulleys are suspended on the lower end of the lifting point fixed pulley load-bearing main beam, and two connecting beams-two ends They are respectively fixed on the adjacent traveling beam of the lifting trolley and the main beam of the lifting trolley. The two connecting beams are equipped with a lifting point-rope end fixing device and a lifting point-guiding wheel. The two sets of lifting points and a moving pulley block are fixed on the The two ends of the wire rope on the wire rope drum respectively pass through one movable pulley in the two sets of lifting points-a moving pulley block, two fixed pulleys in the two lifting points, the other moving pulley in the two sets of lifting points-moving pulley block, Two lifting points-guide wheels are fixed on the lifting point-rope end fixing device, and the steel wire rope is crossed at the leading end and the leading end of the certain pulley at the two lifting points.

The second lifting point includes an offset trolley, an offset trolley load-bearing beam straddling between two main girders of the lifting trolley, and an offset trolley driving device; the offset trolley driving device pushes the offset trolley to The traveling beam and the offset trolley move on the track of the load-bearing beam.

The offset trolley includes an offset trolley support frame composed of two offset trolley running beams and two offset trolley main beams, and a load-bearing main body with two fixed pulleys at the lifting point spanning between the two offset trolley main beams. Beam, hanging point 2 fixed pulley load-bearing main beam hangs two lifting points 2 fixed pulleys on the lower end surface of the main beam, and the two ends of the two connecting beams are respectively fixed on the load-bearing main beam of the hanging point 2 fixed pulley and the traveling beam of the offset trolley. Both the second lifting point rope end fixing device and the second lifting point steel wire rope lead-out guide wheel are installed on the second beam, and the second lifting point steel wire rope lead-in is provided on the two offset trolley main beams near the fixed pulley load-bearing main beam of the second lifting point The guide wheel, two sets of lifting point two moving pulleys are fixed on the hook beam of the lifting point two; the two steel wire ropes on the wire rope drum respectively pass through the two lifting point two steel wire ropes to lead into the guide wheel, one of the two sets of lifting point two moving pulleys The movable pulley, the second fixed pulley at the two lifting points, the other movable pulley in the two sets of two movable pulleys at the lifting point, and the wire rope leading out guide wheel at the second lifting point are fixed on the rope end fixing device at the second lifting point, and the wire rope is fixed at the second fixed point at the two lifting points. The lead-in end and the lead-out end of the pulley are cross-shaped.

The driving device of the wire rope drum adopts an integrated design of double motors, brakes and reduction boxes.

The door hanger frame adopts one rigid and one flexible support leg, and the flexible support legs are connected by hinges.

The power supply system is divided into a trolley power supply system and a trolley running mechanism power supply system; the lifting trolley power supply system adopts a flat cable towed power supply, and the trolley running mechanism power supply system uses a cable reel for power supply. It is 380V, three-phase four-wire system.

The beneficial effects of the utility model are:

1. Compared with ordinary container gantry cranes, the lifting trolley of the utility model has small dimensions, compact structure and light weight, so the whole machine has light weight and low energy consumption.

2. The hoisting trolley adopts a structure of double motors and single drum driving double lifting points, which can ensure the synchronous operation of the two lifting points.

3. The rope winding method is novel. There are two sets of moving pulleys on the hook beam of each lifting point (each set has two moving pulleys). The winding angle is large. There is no anti-sway rope, but it has anti-sway function.

4. One lifting point on the lifting trolley is fixed, and the other lifting point moves with the offset trolley, so that the spreader can rotate, and the loading and unloading operations are highly adaptable.

5. The first lifting point and the second lifting point are connected by a connecting beam to ensure that the two lifting points are lifted synchronously in the vertical direction and can enhance the anti-sway effect.

6. It adopts non-powered container spreader with double lifting points, which has simple structure, light weight, less faults and easy maintenance.

7. The crane has double hooks, which can quickly remove the container spreader, and has the function of one machine with multiple functions.

8. The multi-purpose container gantry crane with double lifting points adopts a rail-type walking design, double lifting points, no cantilever, a total lifting capacity of 40 tons, and a lifting height of 10.5 meters. Different spreaders can be replaced for various types of container operations and loose loads. Cargo work. The existing gantry crane foundation and cart power supply in most small and medium-sized freight yards can meet the requirements of the gantry crane, so the investment is small and the effect is quick.

Description of drawings

Fig. 1 is the front schematic diagram of the utility model;

Fig. 2 is a schematic side view of the utility model;

Fig. 3 is a top view schematic diagram of the utility model;

Figure 4 is a top view schematic diagram of the lifting trolley;

Fig. 5 is a schematic front view of the connection of two lifting points and a double lifting point unpowered container spreader;

Fig. 6 is a schematic side view of the connection of two lifting points and a double lifting point unpowered container spreader;

Fig. 7 is a structural schematic diagram of the rope winding method.

The meanings represented by the serial numbers in the figure are: 1. The running mechanism of the cart, 2. The door hanger frame, 3. The driver's cab, 4. The electrical control system and safety monitoring system, 5. The lifting trolley, 6. No double lifting points Power container spreader, 7. Traveling beam of lifting trolley, 8. Main beam of lifting trolley, 9. Support frame of lifting trolley, 10. Wire rope drum, 11. Wire rope drum driving device, 12. Lifting point 1, 13 .Second lifting point, 14. Support seat, 15. Double lifting point non-powered container spreader lifting point 1, 16. Double lifting point non-powered container spreader lifting point 2, 17. Connecting beam, 18. Lifting point fixed pulley Load-bearing main beam, 19. Lifting point must pulley, 20. Connecting beam 1, 21. Lifting point-Rope end fixing device, 22. Lifting point-Guide wheel, 23. Lifting point-Moving pulley block, 24. Lifting point-Hook beam , 25. Wire rope A, 26. Moving pulley A, 27. Moving pulley B, 28. Offset trolley, 29. Offset trolley load-bearing beam, 30. Offset trolley driving device, 31. Offset trolley walking beam, 32. Offset Main girder of trolley, 33. Offset trolley support frame, 34. Fixed pulley load-bearing main beam at the second lifting point, 35. Fixed pulley at the second lifting point, 36. Second connecting beam, 37. Rope end fixing device at the second lifting point, 38. Hanging Point 2 steel wire rope leading out guide wheel, 39. Lifting point 2 steel wire rope leading in guide wheel, 40. Lifting point 2 moving pulley block, 41. Lifting point 2 hook beam, 42. Steel wire rope B, 43. Steel wire rope C, 44. Moving pulley C, 45 . Moving pulley D, 46. Power supply system for trolley, 47. Power supply system for trolley traveling mechanism.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

Referring to Figures 1 to 7, a container gantry crane with double lifting points and multiple uses includes a traveling mechanism 1 for a cart, a door hanger frame 2, a driver's cab 3, a power supply system, an electrical control system and a safety monitoring system 4, and It includes a lifting trolley 5 located on the door hanger frame 2 and a double lifting point unpowered container spreader 6; the lifting trolley 5 is composed of two lifting trolley walking beams 7 and two lifting trolley main beams 8 Lifting trolley support frame 9, wire rope reel 10, wire rope reel driving device 11, lifting point one 12 and lifting point two 13; the wire rope reel driving device 11 drives the wire rope reel 10 to rotate and is fixed by a support seat On the traveling beam 7 of the lifting trolley; the first lifting point 12 is fixed on one end of the lifting trolley support frame 9, and the second lifting point 13 is movably fixed on the other end of the lifting trolley support frame 9; the first lifting point 12 and two lifting points 13 are respectively connected with double lifting point unpowered container spreader lifting point one 15 and double lifting point unpowered container spreader lifting point two 16.

Described lifting point one 12 comprises the fixed pulley load-bearing girder 18 that is positioned at below the wire rope reel 10 and is fixed on the support seat 14, and two lifting point certain pulleys 19 are suspended on the lower end face of the fixed pulley load-bearing girder 18 of the lifting point, two The two ends of the connecting beam-20 are respectively fixed on the adjacent trolley traveling beam 7 and the main beam 8 of the lifting trolley, and the two connecting beams-20 are all provided with a lifting point-rope end fixing device 21 and a lifting point- Guide wheel 22, two groups of lifting point-moving pulley block 23 are fixed on the hanging point-hook crossbeam 24; Another moving pulley B27 in two groups of lifting points-moving pulley block 23, two lifting points-guiding pulley 22 are fixed on the lifting point-rope end fixing device 21 of a lifting point fixed pulley 19, two groups of lifting points-moving pulley block 23, and steel wire rope A25 is fixed at two lifting points. The lead-in end and lead-out end of pulley 19 are cross-shaped.

The second lifting point includes an offset trolley 28, an offset trolley load-bearing beam 29 spanning between two lifting trolley main girders 8, and an offset trolley driving device 30; the offset trolley driving device 30 pushes the offset Dolly 28 moves on the track of lifting trolley walking beam 7 and offset trolley load-bearing beam 29.

The offset trolley 28 includes an offset trolley support frame 33 composed of two offset trolley running beams 31 and two offset trolley main beams 32, and a lifting point spanning between the two offset trolley main beams 32. Two fixed pulley load-bearing main girders 34, hanging point two fixed pulley load-bearing main girders 34 lower end faces hang two lifting points two fixed pulleys 35, two connecting beams two 36 two ends are respectively fixed on lifting point two fixed pulley load-bearing main girders 34 and On the traveling beam 31 of the offset trolley, the two connecting beams 2 36 are provided with the second rope end fixing device 37 of the lifting point 2 and the wire rope leading out guide wheel 38 of the second lifting point. The position of the fixed pulley load-bearing main girder 34 is provided with two lifting points and steel wire ropes to introduce the guide pulley 39, and two groups of lifting points and two movable pulley blocks 40 are fixed on the second lifting hook crossbeam 41; Pass through the two lifting point two wire ropes to introduce the guide pulley 39, one movable pulley C44 in the two lifting point two moving pulley blocks 40, the two lifting point two fixed pulleys 35, and the other moving pulley D45 in the two lifting point two moving pulley blocks 40 2. Lifting point two wire ropes lead guide wheel 38 is fixed on the lifting point two rope end fixtures 37, and steel rope B42 and steel wire rope C43 are crossed at the lead-in end and the lead-out end of two lifting point two fixed pulleys 35.

The wire rope reel driving device 11 adopts the integrated design of double motors, brakes and reduction boxes, and has a compact structure; the brake is an electromagnetic disc brake, the reducer is a hard tooth surface, and the wheels are made of ductile iron, which not only increases the service life, but also improves the Reliable use, and greatly reduced weight.

The door hanger gantry 2 adopts one rigid and one flexible outrigger, and the flexible outriggers are connected by hinges, which can eliminate the internal stress generated by the applied load of the steel structure, eliminate the horizontal force between the cart wheel and the track, and thus greatly reduce the wheel load. The friction with the track improves the stability and safety of the gantry crane and prolongs the service life.

The second lifting point 13 can be moved by -300mm to +300mm as a whole, ensuring that the non-powered container spreader 6 of the double lifting point can rotate by -5° to +5°, which is convenient for container loading and unloading operations. The connecting beam 17 can be connected between the first lifting point 12 and the second lifting point 13. The power supply system is divided into a trolley power supply system 46 and a trolley running mechanism power supply system 47; the lifting trolley power supply system 46 adopts a flat cable tow type power supply, and the cart running mechanism power supply system 47 uses a cable coil Tube power supply, the voltage is 380V, three-phase four-wire system.

What is described here is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modification, equivalent replacement and improvement made within the spirit and principles of the utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (9)

1. A multi-purpose container gantry crane with double suspension points, comprising a cart traveling mechanism, a door hanger mast, a driver's cab, a power supply system, an electrical control system and a safety monitoring system, characterized in that: it also includes a The lifting trolley and the non-powered container spreader with double lifting points; Drum driving device, lifting point 1 and lifting point 2; the wire rope drum driving device drives the wire rope drum to rotate and is fixed on the traveling beam of the lifting trolley through the support seat; the lifting point 1 is fixed on the support frame of the lifting trolley At one end, the lifting point two is movably fixed on the other end of the supporting frame of the lifting trolley; the lifting point one and the two lifting points are respectively connected with the double lifting point unpowered container spreader lifting point one and the double lifting point unpowered container spreader Hanging point two connection. 2. A multi-purpose container gantry crane with double lifting points according to claim 1, characterized in that: the second lifting point can be moved as a whole by -300mm ~ +300mm, ensuring that the double lifting point has no power to rotate the container spreader by -5° ~ +5o. 3. A multi-purpose container gantry crane with double lifting points according to claim 2, characterized in that: the first lifting point and the second lifting point can be connected by a connecting beam. 4. The multi-purpose container gantry crane with double lifting points according to claim 3, characterized in that: the lifting point one includes a lifting point fixed pulley load-bearing main beam located below the wire rope reel and fixed on the support base, The lower end of the load-bearing main girder with fixed pulleys is suspended with two fixed pulleys at the lifting point. There is a lifting point-rope end fixing device and a lifting point-a guide wheel. Two sets of lifting points-moving pulleys are fixed on the lifting point-hook beam; the two ends of the wire rope on the wire rope drum pass through the two sets of lifting points-moving pulleys respectively. One moving pulley, two fixed pulleys at two lifting points, another moving pulley in two sets of lifting points and one moving pulley, two lifting points and one guide wheel are fixed on the lifting point-rope end fixing device, and the steel wire rope is fixed at the two lifting points. The lead-in end and the lead-out end of the pulley are cross-shaped. 5. A multi-purpose container gantry crane with double lifting points according to claim 4, characterized in that: the second lifting point includes an offset trolley, an offset trolley spanning between the main girders of the two lifting trolleys The load-bearing beam and the driving device of the offset trolley; the driving device of the offset trolley pushes the offset trolley to move on the track of the traveling beam of the lifting trolley and the load-bearing beam of the offset trolley. 6. A multi-purpose container gantry crane with double lifting points according to claim 5, characterized in that: said offset trolley includes an offset trolley consisting of two offset trolley traveling beams and two offset trolley main girders. The supporting frame of the trolley, the two lifting points and the fixed pulley load-bearing main beam spanning between the two offset trolley main beams, the two hanging points and the two fixed pulleys are suspended on the lower end of the main beam, and the two connecting beams The two ends are respectively fixed on the load-bearing main beam of the fixed pulley at the second lifting point and the traveling beam of the offset trolley. The two connecting beams are equipped with the second rope end fixing device at the second lifting point and the wire rope leading out guide wheels at the second lifting point. The main girder of the moving trolley is equipped with a steel wire rope leading into the guide wheel at the position close to the second lifting point fixed pulley. The steel wire rope passes through the two lifting point two steel wire ropes respectively and leads to the guide pulley, one movable pulley in the two lifting point two moving pulley blocks, two lifting point two fixed pulleys, the other moving pulley in the two lifting point two moving pulley blocks, and the two lifting point two moving pulley blocks. The wire rope lead-out guide wheel is fixed on the second rope end fixing device of the lifting point, and the wire rope is crossed at the lead-in end and the lead-out end of the two fixed pulleys of the two lifting points. 7. The multi-purpose container gantry crane with double lifting points according to claim 6, characterized in that: the driving device of the wire rope drum adopts an integrated design of double motors, brakes and reduction boxes. 8. A multi-purpose container gantry crane with double suspension points according to claim 7, characterized in that: the gantry gantry frame adopts one rigid and one flexible outrigger, and the flexible outriggers are connected by hinges. 9. The multi-purpose container gantry crane with double lifting points according to claim 8, characterized in that: the power supply system is divided into a trolley power supply system and a trolley running mechanism power supply system; The electronic system is powered by a flat cable towing, and the electronic system of the traveling mechanism of the cart is powered by a cable reel, with a voltage of 380V and a three-phase four-wire system.