Single-drive type double-suspension-point suspended beam crane

Abstract

The utility model provides a single-drive type double-suspension-point suspended beam crane, and particularly relates to the technical field of suspended beam cranes, the single-drive type double-suspension-point suspended beam crane comprises a cross beam, a protective cover, a winding mechanism and a protective mechanism, the protective cover is fixedly connected above the cross beam, the single-drive type double-suspension-point suspended beam crane is characterized in that a motor drives a worm to rotate and drives a transmission rod to rotate; hooks at one ends of the steel ropes are connected with a hanging object, so that the hanging object can be hoisted and moved, the two sets of steel ropes can be arranged at two hoisting positions, hoisting is synchronous, the hoisting object may shake in the moving process, and through the arrangement of a first fixing pipe and a second fixing pipe, the hoisting position can be adjusted, and the hoisting position can be adjusted. When hoisting is too high, the connecting plate for connecting the two hooks pushes the second fixing pipe to slide in the sliding groove and compresses the spring, in this way, the first fixing pipe can be prevented from being directly impacted, the buffering effect is achieved, and abrasion of the steel rope can be reduced through the arrangement of the arc-shaped face.

Description

Technical Field

[0001] The utility model relates to the technical field of hanging beam cranes, in particular to a single-drive double-hanging-point hanging beam crane. Background Art

[0002] A single-beam suspension crane is a crane that hangs and fixes the crossbeam on the building's travel track (I-beam). The location and span of the travel track can be freely set, making it most suitable for production lines, etc. However, the existing single-beam suspension crane will cause the hoisted object to shake during hoisting, and the object will move faster and shake more greatly. Utility Model Content

[0003] The utility model aims to provide a single-drive double-hanging-point hanging beam crane to solve the problem in the above-mentioned background technology that during hoisting, the hoisted object will shake, move faster and shake more greatly.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a crossbeam, a protective cover, a winding mechanism and a protective mechanism, wherein a protective cover is fixedly connected to the top of the crossbeam, a motor is fixedly connected to the top of the crossbeam, a worm is fixedly connected to one end of the output shaft of the motor, a worm wheel is meshingly connected to the outer side of the worm, winding mechanisms are arranged at both ends of the worm wheel, a protective mechanism is arranged at the bottom of the crossbeam, the winding mechanism includes a steel rope, and a hook is fixedly connected to one end of the steel rope.

[0005] Preferably, the outer side of the output shaft of the motor is rotatably connected to the protective cover via a bearing, and the outer side of the worm is rotatably connected to the protective cover via a bearing.

[0006] Preferably, the winding mechanism includes a transmission rod, a limit plate, a through slot, a support block, a protective box and a cover plate, one end of the worm gear is fixedly connected to the transmission rod, the outer side of the transmission rod is fixedly connected to the limit plate, the outer side of the limit plate is provided with a steel rope, a through slot is opened above the cross beam, the upper part of the cross beam is fixedly connected to the support block, the upper part of the cross beam is fixedly connected to the protective box, and the upper hinge of the protective box is connected to the cover plate.

[0007] Preferably, the transmission rod is rotatably connected to the support block, two winding mechanisms are provided, and the transmission rod is rotatably connected to the protection box via a bearing.

[0008] Preferably, the protective mechanism includes a first fixed tube, a through hole, a slide groove, a spring, a second fixed tube and an arc-shaped surface, the lower part of the cross beam is fixedly connected to the first fixed tube, a through hole is provided on the inner side of the first fixed tube, a slide groove is provided at the bottom end of the first fixed tube, one end of the inner cavity of the slide groove is fixedly connected to a spring, one end of the spring is fixedly connected to the second fixed tube, and one end of the second fixed tube is provided with an arc-shaped surface.

[0009] Preferably, the outer wall of the second fixed tube fits with the inner wall of the slide groove, and three springs are provided.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: when the single-drive double-hanging-point hanging beam crane is in use, the worm is driven to rotate by starting the motor, and thus the worm wheel is driven to rotate, thereby completing the transmission effect. The worm is rotated to drive the transmission rod to rotate, so that the steel rope can be wound and unwound, so that the hook at one end of the steel rope can be connected to the hanging object, so that the hanging object can be hoisted and moved, and the two groups of steel ropes can have two hoisting positions, and the hoisting is synchronized. During the movement, the hoisted object may shake due to the rope. The setting of the first fixed tube and the second fixed tube can reduce the amplitude of the shaking of the hoisted object. When the hoisting is too high, the connecting plate connecting the two hooks will push the second fixed tube to slide in the slide groove and compress the spring, which can prevent direct impact on the first fixed tube and have a buffering effect. The setting of the arc surface can reduce the wear of the steel rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the appearance of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the winding mechanism of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure in which the first fixed tube and the second fixed tube cooperate with each other in the utility model;

[0014] Figure 4 It is a schematic diagram of the structure in which the second fixed tube and the arc surface cooperate with each other in the utility model.

[0015] In the figure: 1. crossbeam; 2. protective cover; 3. motor; 4. worm; 5. worm wheel; 6. winding mechanism; 601. transmission rod; 602. limit plate; 603. steel rope; 604. through groove; 605. support block; 606. protective box; 607. cover plate; 7. protective mechanism; 701. first fixed tube; 702. through hole; 703. slide groove; 704. spring; 705. second fixed tube; 706. arc surface; 8. hook. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0018] Example

[0019] See also Figure 1-4 The utility model discloses a single-drive double-hanging-point hanging beam crane: it comprises a cross beam 1, a protective cover 2, a winding mechanism 6 and a protective mechanism 7. A protective cover 2 is fixedly connected to the top of the cross beam 1, a motor 3 is fixedly connected to the top of the cross beam 1, a worm 4 is fixedly connected to one end of the output shaft of the motor 3, a worm wheel 5 is meshingly connected to the outer side of the worm 4, a winding mechanism 6 is arranged at both ends of the worm wheel 5, a protective mechanism 7 is arranged at the bottom of the cross beam 1, the winding mechanism 6 comprises a steel rope 603, one end of the steel rope 603 is fixedly connected to a hook 8, when in use, by starting the motor 3, the worm 4 is driven to rotate, and thus the worm wheel 5 can be driven to rotate, thereby completing the transmission effect.

[0020] For better transmission, the outer side of the output shaft of the motor 3 is rotatably connected to the protective cover 2 via a bearing, and the outer side of the worm 4 is rotatably connected to the protective cover 2 via a bearing.

[0021] In order to facilitate the hanging of hoisting objects, the winding mechanism 6 includes a transmission rod 601, a limit plate 602, a through slot 604, a support block 605, a protection box 606 and a cover plate 607. One end of the worm gear 5 is fixedly connected to the transmission rod 601, the outer side of the transmission rod 601 is fixedly connected to the limit plate 602, the outer side of the limit plate 602 is provided with a steel rope 603, a through slot 604 is opened above the crossbeam 1, the upper part of the crossbeam 1 is fixedly connected to the support block 605, the upper part of the crossbeam 1 is fixedly connected to the protection box 606, the upper hinge of the protection box 606 is connected to the cover plate 607, and the transmission rod 601 is driven to rotate by the rotation of the worm 4, so that the steel rope 603 can be wound and unwound, so that the hook 8 at one end of the steel rope 603 can be connected to the hanging object, so that the hanging object can be hoisted and moved, and the two groups of steel ropes 603 can have two hoisting positions, and the hoisting is synchronized.

[0022] In order to facilitate the hanging of hoisted objects, the transmission rod 601 is rotatably connected to the support block 605, and two winding mechanisms 6 are provided. The transmission rod 601 is rotatably connected to the protective box 606 through a bearing.

[0023] In order to prevent shaking when lifting the hoisted object, the protective mechanism 7 includes a first fixed tube 701, a through hole 702, a slide groove 703, a spring 704, a second fixed tube 705 and an arc surface 706. The lower part of the crossbeam 1 is fixedly connected with the first fixed tube 701, the inner side of the first fixed tube 701 is provided with a through hole 702, the bottom end of the first fixed tube 701 is provided with a slide groove 703, one end of the inner cavity of the slide groove 703 is fixedly connected with the spring 704, one end of the spring 704 is fixedly connected with the second fixed tube 705, and the second fixed tube 705 is fixedly connected with the second fixed tube 706. An arcuate surface 706 is provided at one end of 05. During the movement, the hoisted object may shake due to the rope. The setting of the first fixed tube 701 and the second fixed tube 705 can reduce the shaking amplitude of the hoisted object. When the hoisting is too high, the connecting plate connecting the two hooks 8 will push the second fixed tube 705 to slide in the slide groove 703 and compress the spring 704, which can prevent direct impact on the first fixed tube 701 and play a buffering effect. The setting of the arcuate surface 706 can reduce the wear of the steel rope 603.

[0024] In order to prevent shaking when lifting the hoisted object, the outer wall of the second fixed tube 705 is in contact with the inner wall of the slide groove 703, and three springs 704 are provided.

[0025] Working principle: When in use, by starting the motor 3, the worm 4 is driven to rotate, which in turn can drive the worm wheel 5 to rotate, thereby completing the transmission effect. The worm 4 is rotated to drive the transmission rod 601 to rotate, so that the steel rope 603 can be wound and unwound, so that the hook 8 at one end of the steel rope 603 can be connected to the hanging object, so that the hanging object can be hoisted and moved, and the two groups of steel ropes 603 can have two hoisting positions, and the hoisting is synchronized. During the movement, the hoisted object may shake due to the ropes. The setting of the first fixed tube 701 and the second fixed tube 705 can reduce the amplitude of the shaking of the hoisted object. When the hoisting is too high, the connecting plate connecting the two hooks 8 will push the second fixed tube 705 to slide in the slide groove 703 and compress the spring 704, so as to prevent direct impact on the first fixed tube 701 and play a buffering effect. The setting of the arc surface 706 can reduce the wear of the steel rope 603.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the implementation rules without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single-drive double-hanging-point hanging beam crane, comprising a crossbeam (1), a protective cover (2), a winding mechanism (6) and a protective mechanism (7), characterized in that: A protective cover (2) is fixedly connected to the top of the crossbeam (1), a motor (3) is fixedly connected to the top of the crossbeam (1), a worm (4) is fixedly connected to one end of the output shaft of the motor (3), a worm wheel (5) is meshingly connected to the outer side of the worm (4), a winding mechanism (6) is arranged at both ends of the worm wheel (5), a protective mechanism (7) is arranged at the bottom of the crossbeam (1), the winding mechanism (6) comprises a steel rope (603), and a hook (8) is fixedly connected to one end of the steel rope (603).

2. The single-drive double-hanging-point suspending beam crane according to claim 1, characterized in that: The outer side of the output shaft of the motor (3) is rotationally connected to the protective cover (2) via a bearing, and the outer side of the worm (4) is rotationally connected to the protective cover (2) via a bearing.

3. The single-drive double-hanging-point suspending beam crane according to claim 1, characterized in that: The winding mechanism (6) comprises a transmission rod (601), a limit plate (602), a through slot (604), a support block (605), a protection box (606) and a cover plate (607); one end of the worm wheel (5) is fixedly connected to the transmission rod (601); the outer side of the transmission rod (601) is fixedly connected to the limit plate (602); the outer side of the limit plate (602) is provided with a steel rope (603); a through slot (604) is opened on the top of the crossbeam (1); the top of the crossbeam (1) is fixedly connected to the support block (605); the top of the crossbeam (1) is fixedly connected to the protection box (606); the top of the protection box (606) is hingedly connected to the cover plate (607).

4. The single-drive double-hanging-point suspending beam crane according to claim 3, characterized in that: The transmission rod (601) is rotatably connected to the support block (605), two winding mechanisms (6) are provided, and the transmission rod (601) is rotatably connected to the protection box (606) via a bearing.

5. The single-drive double-hanging-point suspending beam crane according to claim 1, characterized in that: The protection mechanism (7) comprises a first fixed tube (701), a through hole (702), a slide groove (703), a spring (704), a second fixed tube (705) and an arc surface (706); the lower part of the cross beam (1) is fixedly connected with the first fixed tube (701); a through hole (702) is provided on the inner side of the first fixed tube (701); a slide groove (703) is provided at the bottom end of the first fixed tube (701); one end of the inner cavity of the slide groove (703) is fixedly connected with a spring (704); one end of the spring (704) is fixedly connected with the second fixed tube (705); and one end of the second fixed tube (705) is provided with an arc surface (706).

6. The single-drive double-hanging-point suspending beam crane according to claim 5, characterized in that: The outer wall of the second fixing tube (705) is in contact with the inner wall of the sliding groove (703), and three springs (704) are provided.

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