CN211226060U

CN211226060U - Crane capable of automatically recovering cable

Info

Publication number: CN211226060U
Application number: CN201921613296.9U
Authority: CN
Inventors: 滕万里; 槐运锋; 余鹏
Original assignee: Ledwork Intelligent Equipment Technology Jiangsu Co ltd
Current assignee: Ledwork Intelligent Equipment Technology Jiangsu Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-08-11
Anticipated expiration: 2029-09-25

Abstract

The utility model belongs to the technical field of the hoist, concretely relates to but hoist of automatic recovery cable is provided with a plurality of spring coiling mechanisms along its extending direction on the crossbeam of hoist, spring coiling mechanism includes: the coil spring and a fixing frame are used for installing the coil spring on the cross beam; the tail ends of the coil springs are fixedly connected with a steel wire rope, the lower ends of the steel wire rope are fixedly connected with a cable, and when a lifting hook of the crane rises to the highest state, the distance between the adjacent coil springs is smaller than the length of the cable between the adjacent coil springs. The utility model discloses simple structure, the cable conductor can be retrieved by automatic through the wind spring, and even hangs in the below of crossbeam, and be unlikely to flagging overlength, can realize the automatic recovery of self-adaptation of cable conductor.

Description

Crane capable of automatically recovering cable

Technical Field

The utility model belongs to the technical field of the hoist, concretely relates to can retrieve hoist of cable automatically.

Background

The crane generally comprises two longitudinal beams which are parallel to each other, a cross beam which stretches across between the two longitudinal beams and a trolley which moves along the cross beam, wherein a lifting hook is arranged below the trolley, some goods can be directly lifted by the lifting hook, and some goods need to be provided with a special lifting appliance on the lifting hook and lifted by the special lifting appliance, for example, the special lifting appliance of a quayside container crane needs to complete the actions of stretching, tilting, spin-locking, guide plate overturning and the like; another special lifting appliance is an electromagnet sucker; the special lifting appliances need to be connected with a cable to realize power driving, the crane is generally very high, the cable needs to lift along with the vertical lifting of the lifting hook, a cable drum is generally arranged on the trolley in order to take up and pay off the cable, but the cable drum has larger weight, larger load is caused to the trolley and the cross beam, the drum needs to be driven by a motor, the cost is higher, and a control system is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the cable drum weight that exists among the prior art and being big, causing the defect of great load to dolly and crossbeam, provide a but not need cable drum's hoist of automatic recovery cable.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a but hoist of automatic recovery cable which characterized in that: be provided with a plurality of spring coiling mechanisms along its extending direction on the crossbeam of hoist, spring coiling mechanism includes: the coil spring and a fixing frame are used for installing the coil spring on the cross beam; the tail ends of the coil springs are fixedly connected with a steel wire rope, the lower ends of the steel wire rope are fixedly connected with a cable, and when a lifting hook of the crane rises to the highest state, the distance between the adjacent coil springs is smaller than the length of the cable between the adjacent coil springs.

Furthermore, the spring coiling mechanisms are uniformly distributed along the extension direction of the cross beam.

Furthermore, the steel wire rope and the cable are fixedly connected through a connecting block, the connecting block comprises an upper clamping plate and a lower clamping plate, the upper clamping plate is integrally connected with the bottom end of the lower clamping plate, and the top end of the upper clamping plate is open; the cable passes through a gap between the upper clamping plate and the lower clamping plate, a steel wire through hole for enabling the steel wire rope to pass through and fixing the steel wire rope and a clamping hole for clamping the cable are arranged through the upper clamping plate and the lower clamping plate, and the cable is clamped or loosened by screwing or unscrewing a screw passing through the clamping hole.

Further, a cable placing hole for placing a cable is formed in a gap between the upper clamping plate and the lower clamping plate.

Further, the maximum stretching length of the coil springs decreases with the distance from the coil springs to the trolley.

Further, the fixing frame is slidably mounted on the cross beam.

Furthermore, the cross beam is a rectangular hollow beam, a guide groove is formed in the cross beam along the extending direction of the cross beam, the fixing frame comprises a fixing block used for installing a coil spring, a connecting rod arranged on the fixing block and a sliding block connected to the upper end of the connecting rod, and the connecting rod penetrates through the guide groove.

The utility model discloses a but hoist of automatic recovery cable's beneficial effect is:

1. when the lifting hook of the crane is in the highest state, under the action of the coil spring, the steel wire rope is wound up by the coil spring, the lifting hook descends, the steel wire rope of each coil spring mechanism is self-adaptively and automatically stretched, the steel wire rope is stretched longer when the steel wire rope is closer to the coil spring mechanism of the trolley, when the lifting hook ascends, the steel wire rope is gradually folded up under the action of the coil spring, and the cable is suspended between the coil spring mechanisms. The cable conductor can be retrieved by automatic, and even hang in the below of crossbeam, and be unlikely to flagging overlength.

2. The fixing frame is slidably mounted on the cross beam, so that the spring coiling mechanism can slide along with the movement of the trolley, and the position of the trolley is self-adapted.

3. The utility model discloses simple structure does not have special cable conductor reel, does not influence the motion of dolly, can realize the automatic recovery of self-adaptation of cable conductor.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is an overall block diagram of an embodiment of the present invention;

FIG. 2 is a partial block diagram of an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a three-dimensional structure diagram of a connecting block according to an embodiment of the present invention;

fig. 5 is a connection structure diagram of the cross beam and the fixing frame according to the embodiment of the present invention.

In the figure, the device comprises a longitudinal beam 1, a transverse beam 2, a transverse beam 21, a guide groove 3, a trolley 4, a lifting hook 5, a special lifting appliance 6, a coil spring 7, a fixing frame 71, a fixing block 72, a connecting rod 73, a sliding block 8, a steel wire rope 9, a connecting block 91, an upper clamping plate 92, a lower clamping plate 93, a clamping hole 94, a steel wire through hole 95, a cable placing hole 10 and a cable.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-5 the utility model discloses a but concrete embodiment of hoist of automatic recovery cable, including longeron 1, span crossbeam 2 between two longerons 1 and along the dolly 3 that crossbeam 2 removed, set up lifting hook 4 under the dolly 3, be connected with special lifting device 5 under lifting hook 4, for automatic recovery connect the cable conductor 10 on special lifting device 5, be provided with a plurality of spring coiling mechanisms along its extending direction on crossbeam 2 of hoist, spring coiling mechanism includes: a coil spring 6, a fixing frame 7 for mounting the coil spring 6 on the cross beam 2; the tail ends of the coil springs 6 are fixedly connected with a steel wire rope 8, the lower ends of the steel wire rope 8 are fixedly connected with a cable 10, and when the lifting hook 4 of the crane rises to the highest state, the distance between every two adjacent coil springs 6 is smaller than the length of the cable 10 between every two adjacent coil springs 6.

Referring to fig. 3 and 4, the steel wire rope 8 and the cable 10 are fixedly connected through a connecting block 9, the connecting block 9 comprises an upper clamping plate 91 and a lower clamping plate 92, the upper clamping plate 91 is integrally connected with the bottom end of the lower clamping plate 92, and the top end of the upper clamping plate is open; the cable passes through a gap between the upper clamp plate 91 and the lower clamp plate 92, and a cable placing hole 95 for placing the cable 10 is formed in the gap between the upper clamp plate 91 and the lower clamp plate 92; the penetration upper and

lower clamps

91 and 92 are provided with a wire penetration hole 94 for allowing the wire rope 8 to pass therethrough and fixing the wire rope 8, and a clamp hole 93 for clamping the cable, and the cable 10 is clamped or loosened by tightening or loosening a screw passed through the clamp hole 93.

Since the more the wire is lowered closer to the trolley 3 during the lowering of the hook 4, i.e., the longer the wire is lowered, the maximum tensile length of the plurality of coil springs 6 is decreased with the distance of the coil springs 6 from the trolley 3 in order to save costs in designing.

The spring coiling mechanisms can be fixedly arranged on the cross beam 2, and need to be arranged to avoid the trolley 3, and in this case, as a preferred embodiment, the spring coiling mechanisms are uniformly distributed along the extending direction of the cross beam 2.

As shown in FIG. 5, as another preferred embodiment, a fixing frame 7 for mounting a coil spring mechanism is slidably mounted on a cross beam 2, the cross beam 2 is a rectangular hollow beam, the cross beam 2 is provided with a guide groove 21 arranged along the extending direction of the cross beam, the fixing frame 7 comprises a fixing block 71 for mounting a coil spring 6, a connecting rod 72 arranged on the fixing block 71 and a slide block 73 connected to the upper end of the connecting rod 72, and the connecting rod 72 passes through the guide groove 21. Each spring coiling mechanism can slide on the cross beam 2 under the pushing action of the trolley 3.

Each coil spring mechanism can also be fixedly connected with the trolley 3, and the coil spring mechanisms move along with the movement of the trolley 3.

The utility model discloses working process does:

the cable 10 is connected to the special lifting appliance 5, when the lifting hook 4 is required to descend to lift an object, the steel wire rope 8 of the coil spring mechanism closest to the trolley 3 is pulled downwards, the cable 10 hung on the coil spring mechanism is gradually straightened, the more the lifting hook 4 descends, the longer the straightened cable 10 is, and when the lifting hook 4 ascends, under the action of the tension of the coil spring 6 of each coil spring mechanism, each steel wire rope 8 is withdrawn, so that the automatic recovery of the cable 10 is realized.

It should be understood that the above description of the specific embodiments is only for the purpose of explanation and not for the purpose of limitation. Obvious changes or variations caused by the spirit of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a but hoist of automatic recovery cable which characterized in that: a plurality of spring coiling mechanisms are arranged on a cross beam (2) of the crane along the extension direction of the cross beam, and each spring coiling mechanism comprises: a coil spring (6), a fixing frame (7) for mounting the coil spring (6) on the cross beam (2); the tail ends of the coil springs (6) are fixedly connected with a steel wire rope (8), the lower ends of the steel wire rope (8) are fixedly connected with a cable (10), and when a lifting hook (4) of the crane rises to the highest state, the distance between every two adjacent coil springs (6) is smaller than the length of the cable (10) between every two adjacent coil springs (6).

2. The crane capable of automatically recovering cables as claimed in claim 1, wherein: the coil spring mechanisms are uniformly distributed along the extending direction of the cross beam (2).

3. The crane capable of automatically recovering cables as claimed in claim 1, wherein: the steel wire rope (8) is fixedly connected with the cable (10) through a connecting block (9), the connecting block (9) comprises an upper clamping plate (91) and a lower clamping plate (92), the upper clamping plate (91) is integrally connected with the bottom end of the lower clamping plate (92), and the top end of the upper clamping plate is open; the cable passes through a gap between the upper clamping plate (91) and the lower clamping plate (92), a steel wire through hole (94) for enabling the steel wire rope (8) to pass through and fixing the steel wire rope (8) and a clamping hole (93) for clamping the cable are arranged through the upper clamping plate (91) and the lower clamping plate (92), and the cable (10) is clamped or loosened by screwing or unscrewing a screw passing through the clamping hole (93).

4. A crane capable of automatically recovering cables as claimed in claim 3, wherein: a cable placing hole (95) for placing a cable (10) is formed in a gap between the upper clamping plate (91) and the lower clamping plate (92).

5. The crane capable of automatically recovering cables as claimed in claim 1, wherein: the maximum stretching length of the coil springs (6) is decreased gradually along with the distance between the coil springs (6) and the trolley (3).

6. The crane capable of automatically recovering cables as claimed in claim 1, wherein: the fixed frame (7) is slidably mounted on the cross beam (2).

7. The crane capable of automatically recovering cables as claimed in claim 6, wherein: crossbeam (2) are the hollow roof beam of rectangle, have guide slot (21) that set up along its extending direction on crossbeam (2), mount (7) including be used for installing fixed block (71) of coil spring (6), set up connecting rod (72) on fixed block (71) and connect in slider (73) of connecting rod (72) upper end, connecting rod (72) pass guide slot (21).