Hoisting mechanism of European style crane

Abstract

The utility model relates to the technical field of European-style crane lifting, in particular to a European-style crane lifting mechanism, which is provided with a lifting mechanism and a hooking mechanism, so that in the lifting process of an European-style crane, the shaking of materials during hooking and moving is reduced by arranging a plurality of groups of ropes for hooking simultaneously, and the lifting efficiency of the European-style crane is improved. When the materials are not heavy, multiple groups of materials can be transported at the same time by disassembling the hooks; comprising a hooking mechanism; the device further comprises a limiting mechanism, two moving mechanisms, two auxiliary mechanisms and two lifting mechanisms, the two moving mechanisms are installed on the limiting mechanism, the two auxiliary mechanisms are installed on the limiting mechanism, the two lifting mechanisms are installed on the limiting mechanism, and the hooking mechanism is installed on the two lifting mechanisms. The limiting mechanism is used for limiting, the moving mechanism is used for moving, the auxiliary mechanism is used for rope auxiliary inclination, the lifting mechanism is used for lifting hooking, and the hooking mechanism is used for hooking.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting of European cranes, in particular to a lifting mechanism of European cranes. Background Art

[0002] Crane spreaders play an important role in lifting work. Various types of crane multifunctional combination spreaders have greatly improved the working efficiency of the crane and reduced the labor intensity of workers. Therefore, they are widely used in various lifting places.

[0003] In the existing European crane lifting mechanism, for example, a European crane lifting mechanism disclosed in the utility model patent with application number 201520496126.2, the utility model connects the cable drum and the wire rope drum to the two ends of the low-speed shaft of the reducer respectively, the axis center line of the cable drum coincides with the axis center line of the wire rope drum, and the outer diameters of the cable drum and the wire rope drum are the same, so as to ensure the synchronization of the extension and retraction of the wire rope and the cable line, eliminate the need for a special cable lifting device or transmission device, and reduce the cost; the overall structure of the utility model is more stable and compact, the span is smaller, the stability is improved, and the vibration is reduced; the utility model has a simple structure, low manufacturing cost, balanced force, stable structure, long service life, and is suitable for use with a sling with a cable.

[0004] However, during the lifting and moving process of the European crane, the single-line hanging will cause the hanging material to shake during the movement, which poses the risk of material falling and rope breaking. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a lifting mechanism of a European crane by setting a lifting mechanism and a hooking mechanism, so that during the lifting process of the European crane, multiple groups of ropes can be hooked at the same time to reduce the shaking of the material when the hook is moved, and when the material is not heavy, multiple groups of materials can be transported simultaneously by disassembling the hook.

[0006] The utility model discloses a lifting mechanism of a European crane, comprising a hooking mechanism; a limiting mechanism, two groups of moving mechanisms, two groups of auxiliary mechanisms and two groups of lifting mechanisms, wherein the two groups of moving mechanisms are installed on the limiting mechanism, the two groups of auxiliary mechanisms are installed on the limiting mechanism, the two groups of lifting mechanisms are installed on the limiting mechanism, and the hooking mechanism is installed on the two groups of lifting mechanisms;

[0007] The limiting mechanism performs limiting, the moving mechanism performs moving, the auxiliary mechanism performs rope-assisted tilting, the lifting mechanism performs lifting and hooking, and the hooking mechanism performs hooking; the rope is tilted by opening the auxiliary mechanism to prevent unhooking, the material is hooked on the hooking mechanism, and the lifting mechanism is opened for lifting, the moving mechanism is opened for moving, and the limiting mechanism is used to reduce the deviation of the equipment when the equipment moves, so that during the lifting process of the European crane, by setting multiple groups of ropes to hook at the same time, the shaking of the material when it is hooked and moved is reduced, and when the material is not heavy, multiple groups of materials can be transported simultaneously by disassembling the hook.

[0008] Preferably, the limiting mechanism includes two sets of slide rails, a slide frame and multiple sets of limiting wheels. The slide frame is slidably mounted on the two sets of slide rails, and the multiple sets of limiting wheels are rotatably mounted on the slide frame; the slide rails are limitedly moved by the limiting wheels.

[0009] Preferably, the moving mechanism includes two groups of gears, two groups of sprockets, chains, a motor and a rack. The two groups of gears are rotatably installed on the slide, each group of gears is equipped with a group of sprockets, and the chain is wrapped around the two groups of sprockets. Motor one is installed on the upper end of the slide, and the output end of motor one is connected to the input end of a group of gears. The rack is installed on the upper end of the slide rail, and the rack is meshed with both groups of gears. The gears are rotated by turning on a pair of gears of the motor for transmission. When the gears rotate, they cooperate with the sprockets and chains to make the two groups of gears rotate synchronously. When the gears rotate, they mesh with the racks to drive the slide to move.

[0010] Preferably, the auxiliary mechanism includes a flip plate, a worm gear, a second motor, a worm and an auxiliary wheel. The flip plate is rotatably mounted on a slide, the worm gear is connected to an input end of the flip plate, the second motor is mounted on the slide, the worm gear is connected to an output end of the second motor, and the worm gear and the worm gear are threadedly matched, and two sets of auxiliary wheels are rotatably mounted on the flip plate; the worm gear is driven by turning on the second motor to rotate, and while the worm gear rotates, it is threadedly matched with the worm wheel so that the worm wheel drives the flip plate to rotate, thereby tilting the auxiliary wheel to assist in limiting the rope.

[0011] Preferably, the lifting mechanism includes two groups of motors three, two groups of retracting rollers and a traction rope, the two groups of motors three are installed on a slide, the output end of each group of motors three is connected to a group of retracting rollers, and the traction rope is fixed on the two groups of retracting rollers; the retracting rollers are rotated by turning on motor three, and the traction rope is tightened and loosened while the retracting rollers rotate, so that the material is lifted and lowered.

[0012] Preferably, the hooking mechanism includes two groups of pulleys, two groups of hooks, bolts and nuts, a group of pulleys is slidably installed on each group of traction ropes, a group of hooks is installed on each group of pulleys, the bolts pass through the two groups of pulleys, and the bolts fix the two groups of pulleys by threaded cooperation with the nuts; the materials are hooked by the hooks.

[0013] Compared with the prior art, the utility model has the following beneficial effects: by opening the auxiliary mechanism to tilt the rope to prevent unhooking, by hooking the material on the hooking mechanism and lifting it by opening the lifting mechanism, by opening the moving mechanism to move the equipment, and by using the limiting mechanism to reduce the deviation of the equipment when the equipment moves, during the lifting process of the European crane, by setting up multiple groups of ropes to hook at the same time, the shaking of the material when the hook is moved is reduced, and when the material is not heavy, multiple groups of materials can be transported simultaneously by disassembling the hook. 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 first left-view axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a second left-view cross-sectional axonometric structural schematic diagram of the utility model;

[0017] Figure 4 It is a schematic diagram of the first front view cross-section axonometric structure of the utility model;

[0018] Figure 5 It is a second front view cross-sectional axonometric structural schematic diagram of the utility model;

[0019] Markings in the attached drawings: 1. Limiting mechanism; 11. Slide rail; 12. Slide; 13. Limiting wheel; 2. Moving mechanism; 21. Gear; 22. Sprocket; 23. Chain; 24. Motor 1; 25. Rack; 3. Auxiliary mechanism; 31. Flip plate; 32. Worm gear; 33. Motor 2; 34. Worm; 35. Auxiliary wheel; 4. Lifting mechanism; 41. Motor 3; 42. Retraction roller; 43. Traction rope; 5. Hooking mechanism; 51. Pulley; 52. Hook; 53. Bolt; 54. Nut. 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 Figures 1 to 5As shown, it includes a hooking mechanism 5, a limiting mechanism 1, two sets of moving mechanisms 2, two sets of auxiliary mechanisms 3 and two sets of lifting mechanisms 4, the two sets of moving mechanisms 2 are installed on the limiting mechanism 1, the two sets of auxiliary mechanisms 3 are installed on the limiting mechanism 1, the two sets of lifting mechanisms 4 are installed on the limiting mechanism 1, and the hooking mechanism 5 is installed on the two sets of lifting mechanisms 4;

[0023] The limiting mechanism 1 performs limiting, the moving mechanism 2 performs moving, the auxiliary mechanism 3 performs rope-assisted tilting, the lifting mechanism 4 performs lifting and hooking, and the hooking mechanism 5 performs hooking;

[0024] The limiting mechanism 1 comprises two sets of slide rails 11, a slide frame 12 and a plurality of sets of limiting wheels 13. The slide frame 12 is slidably mounted on the two sets of slide rails 11, and the plurality of sets of limiting wheels 13 is rotatably mounted on the slide frame 12.

[0025] The moving mechanism 2 includes two sets of gears 21, two sets of sprockets 22, a chain 23, a motor 24 and a rack 25. The two sets of gears 21 are rotatably mounted on the slide 12, each set of gears 21 is respectively mounted with a set of sprockets 22, the chain 23 is mounted on the two sets of sprockets 22, the motor 24 is mounted on the upper end of the slide 12, and the output end of the motor 24 is connected to the input end of a set of gears 21, the rack 25 is mounted on the upper end of the slide rail 11, and the rack 25 is meshed with both sets of gears 21;

[0026] The auxiliary mechanism 3 includes a flip plate 31, a worm gear 32, a second motor 33, a worm 34 and an auxiliary wheel 35. The flip plate 31 is rotatably mounted on the slide 12, the worm gear 32 is connected to the input end of the flip plate 31, the second motor 33 is mounted on the slide 12, the worm 34 is connected to the output end of the second motor 33, and the worm 34 and the worm gear 32 are threadedly matched, and two sets of auxiliary wheels 35 are rotatably mounted on the flip plate 31;

[0027] The lifting mechanism 4 includes two sets of motors 3 41, two sets of shrinking rollers 42 and traction ropes 43. The two sets of motors 3 41 are installed on the carriage 12. The output end of each set of motors 3 41 is connected to a set of shrinking rollers 42. The traction ropes 43 are fixed to the two sets of shrinking rollers 42.

[0028] The hook mechanism 5 includes two groups of pulleys 51, two groups of hooks 52, bolts 53 and nuts 54. A group of pulleys 51 is slidably mounted on each group of traction ropes 43, and a group of hooks 52 is mounted on each group of pulleys 51. The bolts 53 pass through the two groups of pulleys 51, and the bolts 53 are threadedly matched with the nuts 54 to fix the two groups of pulleys 51.

[0029] By turning on the second motor 33, the worm 34 is driven to rotate, and the worm 34 rotates while being threadedly matched with the worm wheel 32 so that the worm wheel 32 drives the flip plate 31 to rotate, so that the auxiliary wheel 35 is tilted to assist in limiting the rope, and the material is hooked on the hook 52, and the contraction roller 42 is driven by turning on the third motor 41 to rotate the contraction roller 42. When the contraction roller 42 rotates, the traction rope 43 is tightened and loosened to lift the material, and the gear 21 is driven by turning on the first motor 24 to rotate the gear 21. When the gear 21 rotates, the sprocket 22 and the chain 23 are matched to make the two groups of gears 21 rotate synchronously, and the gear 21 rotates while meshing with the rack 25 to drive the slide 12 to move, and the limit wheel 13 is used to limit the movement of the slide rail 11 to reduce the deviation of the equipment, so that during the lifting process of the European crane, by setting a method of hooking multiple groups of ropes at the same time, the shaking of the material when the hook moves is reduced, and when the material is not heavy, the hook can be disassembled to transport multiple groups of materials at the same time.

[0030] like Figures 1 to 5 As shown, the utility model is a European crane lifting mechanism, which, when working, transmits the worm 34 by turning on the second motor 33 to make the worm 34 rotate, and the worm 34 rotates while being threadedly matched with the worm wheel 32 so that the worm wheel 32 drives the flip plate 31 to rotate, so that the auxiliary wheel 35 is tilted to assist in limiting the rope, by hooking the material on the hook 52, and transmitting the shrinking roller 42 by turning on the third motor 41 to make the shrinking roller 42 rotate, while the shrinking roller 42 rotates, the traction rope 43 is tightened and loosened so that the material is lifted and lowered, and the gear 21 is transmitted by turning on the first motor 24 to make the gear 21 rotate, and the gear 21 rotates while cooperating with the sprocket 22 and the chain 23 to make the two groups of gears 21 rotate synchronously, and the gear 21 rotates while meshing with the rack 25 to drive the slide 12 to move, and at the same time, the slide rail 11 is limited and moved by the limiting wheel 13 to reduce the deviation of the equipment.

[0031] The motor 1 24, the motor 2 33 and the motor 3 41 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals, without the need for technicians in the field to make creative efforts.

[0032] The main functions realized by the utility model are: during the lifting operation of the European crane, by setting a lifting mechanism and a hooking mechanism, multiple groups of ropes can be hooked at the same time during the lifting operation of the European crane to reduce the shaking of the material when the hook is moved, and when the material is not heavy, multiple groups of materials can be transported simultaneously by disassembling the hook.

[0033] 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 lifting mechanism of a European crane, comprising a hook mechanism (5); characterized in that: It also comprises a limiting mechanism (1), two groups of moving mechanisms (2), two groups of auxiliary mechanisms (3) and two groups of lifting mechanisms (4), wherein the two groups of moving mechanisms (2) are mounted on the limiting mechanism (1), the two groups of auxiliary mechanisms (3) are mounted on the limiting mechanism (1), the two groups of lifting mechanisms (4) are mounted on the limiting mechanism (1), and the hooking mechanism (5) is mounted on the two groups of lifting mechanisms (4); The limiting mechanism (1) performs limiting, the moving mechanism (2) performs moving, the auxiliary mechanism (3) performs rope-assisted tilting, the lifting mechanism (4) performs lifting and hooking, and the hooking mechanism (5) performs hooking.

2. A European crane hoisting mechanism as claimed in claim 1, characterized in that: The limiting mechanism (1) comprises two sets of slide rails (11), a slide frame (12) and a plurality of sets of limiting wheels (13); the slide frame (12) is slidably mounted on the two sets of slide rails (11), and the plurality of sets of limiting wheels (13) are rotatably mounted on the slide frame (12).

3. A European crane hoisting mechanism as claimed in claim 2, characterized in that: The moving mechanism (2) comprises two groups of gears (21), two groups of sprocket wheels (22), a chain (23), a motor (24) and a rack (25). The two groups of gears (21) are rotatably mounted on a slide (12), each group of gears (21) is respectively mounted with a group of sprocket wheels (22), the chain (23) is mounted on the two groups of sprocket wheels (22), the motor (24) is mounted on the upper end of the slide (12), and the output end of the motor (24) is connected to the input end of a group of gears (21), the rack (25) is mounted on the upper end of the slide rail (11), and the rack (25) is meshed with the two groups of gears (21).

4. A European crane hoisting mechanism as claimed in claim 2, characterized in that: The auxiliary mechanism (3) comprises a flip plate (31), a worm gear (32), a second motor (33), a worm (34) and an auxiliary wheel (35); the flip plate (31) is rotatably mounted on a slide (12); the worm gear (32) is connected to an input end of the flip plate (31); the second motor (33) is mounted on the slide (12); the worm gear (34) is connected to an output end of the second motor (33); the worm gear (34) and the worm gear (32) are threadedly matched; and two sets of auxiliary wheels (35) are rotatably mounted on the flip plate (31).

5. A European crane hoisting mechanism as claimed in claim 2, characterized in that: The lifting mechanism (4) comprises two groups of motors (41), two groups of contraction rollers (42) and a traction rope (43). The two groups of motors (41) are installed on the slide (12). The output end of each group of motors (41) is connected to a group of contraction rollers (42). The traction rope (43) is fixed to the two groups of contraction rollers (42).

6. A European crane hoisting mechanism as claimed in claim 5, characterized in that: The hook mechanism (5) comprises two groups of pulleys (51), two groups of hooks (52), bolts (53) and nuts (54); a group of pulleys (51) is slidably mounted on each group of traction ropes (43); a group of hooks (52) is mounted on each group of pulleys (51); the bolts (53) pass through the two groups of pulleys (51); and the bolts (53) are threadedly matched with the nuts (54) to fix the two groups of pulleys (51).

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