CN220703020U

CN220703020U - Crane

Info

Publication number: CN220703020U
Application number: CN202321381069.4U
Authority: CN
Inventors: 李斌斌; 郭艳广; 郝霄; 郭鹏伟; 张利伟; 鲍杰; 邓文浩; 王军威; 王磊
Original assignee: Henan Special Equipment Inspection Technology Research Institute; Luoyang Xiaifu Intelligent Equipment Co ltd
Current assignee: Henan Special Equipment Inspection Technology Research Institute; Luoyang Xiaifu Intelligent Equipment Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2024-04-02
Anticipated expiration: 2033-06-01

Abstract

The utility model discloses a crane, which comprises a lifting rope hanging frame, a lifting appliance, a lifting rope winding and unwinding mechanism and a cable winding and unwinding device, wherein the lifting rope hanging frame is used for setting a lifting rope hanging point and a cable hanging point; the lifting appliance is hung under the lifting rope hanging frame through a lifting rope connected to the lifting rope hanging point, and is also connected with a cable which passes through the cable hanging point; the lifting rope winding and unwinding mechanism is used for winding and unwinding the lifting rope so as to set the distance between the hanging point of the lifting rope and the lifting appliance; the cable winding and unwinding device is used for accommodating cables between the cable hanging points and the lifting appliance. In the up-and-down moving process of the lifting appliance, the cable is stored or released through the cable winding and unwinding device so as to adapt to the distance between the lifting appliance and the hanging point of the lifting rope, and the cable winding can be avoided.

Description

Crane

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a crane.

Background

Industrial rolls are generally cylindrical in shape, rolls wound on hollow tubes are hollow rolls, and rolls wound on solid cylinders are solid rolls. For example, a solid roll has an outer diameter of 750mm to 1250mm, a maximum height of 3.6m and a maximum weight of 4.2 tons. At present, when a storehouse stores the solid paper rolls, a single solid paper roll is generally placed vertically, and the space utilization rate is improved by adopting a multi-layer stacking mode.

When the paper rolls in the storeroom are sorted, for example, the paper rolls are moved into the storeroom for stacking, or the paper rolls in the storeroom are moved out for use, a lifting device is generally used for lifting the paper rolls to be transported, then a lifting device is used for driving the lifting device to lift to a certain height, the lifting device is driven to horizontally move, after the paper rolls reach the destination, the lifting device is lowered to a proper height, and then the lifting device is released to release the paper rolls, so that the transport of the paper rolls is realized.

In the process of transferring paper rolls, certain power or control signals are needed for lifting the lifting appliance to move up and down, clamping the paper rolls by the lifting appliance or releasing the paper rolls, and electric energy or control signals are generally transmitted by adopting cables, wherein the movement of the lifting appliance can be limited by the short reserved length of the cables, the cable can be scattered and sagged due to the long reserved length of the cables, so that the winding of the cables affects the working of the lifting appliance or the paper rolls in a cable climbing warehouse, and the orderly arrangement of the paper rolls in the warehouse is disturbed.

Disclosure of Invention

Accordingly, the present utility model is directed to a crane to avoid winding redundant cable sections during lifting of the spreader.

In order to achieve the above purpose, the utility model adopts the following scheme:

the crane comprises a lifting rope hanging frame, a lifting appliance, a lifting rope winding and unwinding mechanism and a cable winding and unwinding device, wherein the lifting rope hanging frame is used for setting a lifting rope hanging point and a cable hanging point; the lifting appliance is hung under the lifting rope hanging frame through a lifting rope connected to the lifting rope hanging point, and is also connected with a cable which passes through the cable hanging point; the lifting rope winding and unwinding mechanism is used for winding and unwinding the lifting rope so as to set the distance between the hanging point of the lifting rope and the lifting appliance; the cable winding and unwinding device is used for receiving cables between the cable hanging points and the lifting appliance.

Preferably, the cable is a coil spring cable, the cable winding and unwinding device is a cable storage barrel, a barrel opening of the cable storage barrel is upwards fixed on the lifting appliance, and the cable is led out from the barrel opening of the cable storage barrel.

Further preferably, the opening of the cable housing tube is a flared horn.

Further preferably, the outer diameter of the helical spring cable is smaller than the inner diameter of the cable receiving drum.

Preferably, the cable winding and unwinding device is a guide column, the guide column is fixed on the lifting appliance, the cable is a spiral spring cable, and the lower part of the spiral spring cable is arranged around the guide column.

Preferably, the cable winding and unwinding device comprises a cable winding frame and a forward and reverse rotation motor, wherein the cable winding frame is rotatably arranged at the top of the lifting appliance, the lower part of the cable is fixed on the cable winding frame, the cable winding frame is in driving connection with the forward and reverse rotation motor, and the motor drives the cable winding frame to rotate forward or reverse so as to wind or release the cable.

Preferably, the lifting appliance comprises a base, clamping arms and a clamping loosening driving device, and at least two clamping arms are connected with the base to form a clamp; the clamping loosening driving device comprises a linkage core, a push-pull transmission piece and a distance adjusting module, wherein the push-pull transmission piece is used for connecting the linkage core and the clamping arm in a transmission manner, and the distance adjusting module is used for setting the distance between the linkage core and the base.

Further preferably, the distance adjusting module comprises a guide rod and a telescopic rod, wherein the guide rod is connected with the base sliding pair, the guide rod is fixedly connected with the linkage core, one end of the telescopic rod is hinged with the base, and the other end of the telescopic rod is hinged with the guide rod.

Further preferably, the push-pull transmission member is a connecting rod, one end of the connecting rod is hinged with the clamping arm, and the other end of the connecting rod is hinged with the linkage core.

Further preferably, the clamping end of the clamping arm is hinged with a friction support, the friction support comprises a clamping plate and a hinged bracket for fixing the clamping plate to the clamping arm, and the clamping plate is arranged in a V shape.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a crane, which comprises a lifting rope hanging frame, a lifting appliance, a lifting rope winding and unwinding mechanism and a cable winding and unwinding device, wherein the lifting rope hanging frame is used for setting a lifting rope hanging point and a cable hanging point; the lifting appliance is hung under the lifting rope hanging frame through a lifting rope connected to the lifting rope hanging point, and is also connected with a cable which passes through the cable hanging point; the lifting rope winding and unwinding mechanism is used for winding and unwinding the lifting rope so as to set the distance between the hanging point of the lifting rope and the lifting appliance; the cable winding and unwinding device is used for receiving cables between the cable hanging points and the lifting appliance. The cable may be a cable for transmitting power, or may be a signal line for transmitting a signal. In the up-and-down movement process of the lifting appliance, the cable winding and unwinding device can store or release the cable, so that the cable is prevented from winding.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present crane using the novel provision;

fig. 2 is a schematic view of the construction of the spreader of fig. 1.

In the figure: 1. a lifting appliance; 2. a hanging rope hanger; 3. a lifting rope winding and unwinding mechanism; 4. a cable winding and unwinding device; 5. a cable; 6. a base; 7. a clamp arm; 8. a linkage core; 9. a connecting rod; 10. a guide rod; 11. a telescopic rod; 12. friction support.

Detailed Description

The utility model is further illustrated below with reference to examples. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the crane provided by the utility model comprises a lifting rope hanging frame 2, a lifting appliance 1, a lifting rope winding and unwinding mechanism 3 and a cable winding and unwinding device 4, wherein the lifting rope hanging frame 2 is used for setting a lifting rope hanging point and a cable hanging point 4; the lifting appliance 1 is hung under the lifting rope hanging frame 2 through a lifting rope connected to a lifting rope hanging point, the lifting appliance 1 is also connected with a cable 5, and the cable 5 passes through a cable hanging point 4; the lifting rope winding and unwinding mechanism 3 is used for winding and unwinding lifting ropes so as to set the distance between a hanging point of the lifting ropes and the lifting appliance 1; the cable winding and unwinding device 4 is used for receiving a cable 5 between the cable hanging point 4 and the lifting appliance 1. The cable 5 may be a cable for power transmission or a signal line for signal transmission. In the up-and-down movement process of the lifting appliance, the cable 5 can be stored or released by the cable winding and unwinding device 4, so that the cable 5 is prevented from being wound.

The hanging point of the hanging rope can be formed by a guide wheel or a winding wheel. The cable hanging point 4 is generally used to set the passing position of the cable 5.

The crane provided by the utility model can be applied to various lifting equipment such as bridge cranes, portal cranes, tower cranes, portal cranes and the like, wherein the lifting rope hanging frame 2 comprises but is not limited to a lifting trolley, the lifting rope collecting and releasing mechanism 3 comprises but is not limited to a winch and an electric hoist, the lifting rope collecting and releasing mechanism 3 can be arranged together with the lifting rope hanging frame 2, the lifting rope collecting and releasing mechanism 3 and the lifting rope hanging frame 2 move together, and the crane further comprises a lifting rope hanging frame shifting mechanism for enabling the lifting rope hanging frame 2 to move.

In some preferred embodiments, the cable 5 is a coil spring cable, the cable take-up and pay-off device 4 is a cable housing, the mouth of the cable housing is fixed on the spreader 1 upwards, and the cable 5 is led out from the mouth of the cable housing. In order to facilitate the cable 5 to enter the cable containing barrel, the opening of the cable containing barrel is a flaring type horn opening and has a smooth radian. In order to enable the helical spring cable to be accommodated in the cable accommodation tube, the helical radius of the helical spring cable is smaller than the inner diameter of the cable accommodation tube.

In other preferred embodiments the cable pay-off and take-up device 4 is a guide post which is fixed to the spreader 1, the lower part of the helical spring cable being arranged around the guide post.

In another preferred embodiment, the cable pay-off and take-up device 4 comprises a cable spool and a forward and reverse rotation motor, the cable spool is rotatably arranged at the top of the lifting appliance 1, the lower part of the cable 5 is fixed on the cable spool, the cable spool is in driving connection with the forward and reverse rotation motor, and the motor drives the cable spool to rotate forward or reverse to wind or release the cable. The motor controller controls the start and stop and the forward and backward rotation of the motor, and the motor controller is in signal connection with the controller of the lifting rope winding and unwinding mechanism 3, so that the winding or the release of the cable is synchronous with the winding and the release of the lifting rope.

In some preferred embodiments, the lifting device comprises a lifting appliance 1, wherein the lifting appliance 1 comprises a base 6, clamping arms 7 and a clamping loosening driving device, and at least two clamping arms 7 are connected with the base 6 to form a clamp; the clamping loosening driving device comprises a linkage core 8, a push-pull transmission piece and a distance adjusting module, wherein the push-pull transmission piece is used for connecting the linkage core 8 and the clamping arm 7 in a transmission manner, and the distance adjusting module is used for setting the distance between the linkage core 8 and the base 6.

The clamping arm 7 is in transmission connection with the linkage core 8 through a push-pull transmission piece matched with the clamping arm, and the clamping loosening operation of the clamp can be realized by setting the distance between the linkage core 8 and the base 6 through the distance adjusting module.

The distance adjusting module comprises a guide rod 10 and a telescopic rod 11, wherein the guide rod 10 is connected with the base 6 in a sliding pair, the guide rod 10 is fixedly connected with the linkage core 8, one end of the telescopic rod 11 is hinged with the base 6, and the other end of the telescopic rod 11 is hinged with the guide rod 10. The distance between the base 6 and the linkage core 8 is set through the telescopic rod 11, and the guide rod 10 is convenient for guiding the moving track of the linkage core 8. The telescopic link selects the pneumatic cylinder, will hang behind the portion of drawing and the guide arm 10 fixed connection, produce a special effect: the hydraulic cylinder also has a length elastic adjustment space on the basis of coarse adjustment of the length, and because the base 6, the clamping arm 7, the linkage core 8 and the push-pull transmission member form a deformable structure, the tensioning force required by the length of the coarse hydraulic cylinder can be reduced when the same object is hung and pulled. In general, the length of the hydraulic cylinder may be coarsely set by a reversing valve.

The push-pull driving medium is a connecting rod 9, one end of the connecting rod 9 is hinged with the clamping arm 7, the other end of the connecting rod 9 is hinged with the linkage core 8, and the angle of the clamping arm 7 relative to the base 6 is adjusted to realize the clamping loosening of the clamp.

The clamping end of the clamping arm 7 is hinged with a friction support 12, the clamping end of the clamping arm 7 is hinged with the friction support 12, the friction support 12 comprises a clamping plate and a hinged bracket for fixing the clamping plate to the clamping arm 7, the clamping plate is arranged in a V shape, the contact area of the clamping plate and materials is increased, the angle of the clamping plate can be adjusted according to the surface condition of an actual clamping object, and better clamping of a to-be-transported object is facilitated.

The utility model provides a crane, which comprises a lifting rope hanging frame 2, a lifting appliance 1, a lifting rope winding and unwinding mechanism 3 and a cable winding and unwinding device 4, wherein the lifting rope hanging frame 2 is used for setting a lifting rope hanging point and a cable hanging point 4; the lifting appliance 1 is hung under the lifting rope hanging frame 2 through a lifting rope connected to a lifting rope hanging point, the lifting appliance 1 is also connected with a cable 5, and the cable 5 passes through a cable hanging point 4; the lifting rope winding and unwinding mechanism 3 is used for winding and unwinding lifting ropes so as to set the distance between a hanging point of the lifting ropes and the lifting appliance 1; the cable winding and unwinding device 4 is used for receiving a cable 5 between the cable hanging point 4 and the lifting appliance 1. The cable 5 may be a cable for power transmission or a signal line for signal transmission. In the up-and-down movement process of the lifting appliance, the cable winding and unwinding device 4 can store or release the cable, so that the cable is prevented from winding.

Although the present utility model has been described in terms of the preferred embodiments, it should be understood that the present utility model is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present utility model.

Claims

1. A crane, comprising:

the hanging rope hanging frame is used for setting hanging rope hanging points and cable hanging points;

the lifting appliance is hung under the lifting rope hanging frame through a lifting rope connected to the lifting rope hanging point, and is also connected with a cable which passes through the cable hanging point;

the lifting rope winding and unwinding mechanism is used for winding and unwinding the lifting rope so as to set the distance between the hanging point of the lifting rope and the lifting appliance; and

and the cable winding and unwinding device is used for accommodating cables between the cable hanging points and the lifting appliance.

2. The crane of claim 1, wherein the cable is a coil spring cable, the cable winding and unwinding device is a cable storage drum, a drum mouth of the cable storage drum is fixed on the hanger upwards, and the cable is led out from the drum mouth of the cable storage drum.

3. The crane of claim 2, wherein the mouth of the cable receiving canister is a flared horn.

4. The crane of claim 2, wherein an outer diameter of the helical spring cable is less than an inner diameter of the cable receiving canister.

5. The crane of claim 1, wherein the cable winding and unwinding device is a guide post, the guide post is fixed on the hanger, the cable is a coil spring cable, and a lower portion of the coil spring cable is disposed around the guide post.

6. The crane of claim 1, wherein the cable winding and unwinding device comprises a cable spool and a forward and reverse rotation motor, the cable spool is rotatably arranged at the top of the lifting appliance, the lower part of the cable is fixed on the cable spool, the cable spool is in driving connection with the forward and reverse rotation motor, and the motor drives the cable spool to rotate forward or reverse to wind or release the cable.

7. The crane of claim 1, wherein the spreader comprises a base, a clamp arm, and a pinch release drive, at least two of the clamp arms being connected to the base to form a clamp; the clamping loosening driving device comprises a linkage core, a push-pull transmission piece and a distance adjusting module, wherein the push-pull transmission piece is used for connecting the linkage core with the clamping arm in a transmission mode, and the distance adjusting module is used for setting the distance between the linkage core and the base.

8. The crane of claim 7, wherein the distance adjustment module comprises a guide rod and a telescopic rod, the guide rod is connected with the base sliding pair, the guide rod is fixedly connected with the linkage core, one end of the telescopic rod is hinged with the base, and the other end of the telescopic rod is hinged with the guide rod.

9. The crane of claim 7, wherein the push-pull transmission member is a link, one end of the link is hingedly connected to the clamp arm, and the other end of the link is hingedly connected to the linkage core.

10. The crane of claim 7, wherein the gripping end of the gripping arm is hingedly provided with a friction bracket, the friction bracket comprising a gripping plate, a hinge bracket securing the gripping plate to the gripping arm, the gripping plate being V-shaped.