CN220886827U - Rope winding device of tower crane lifting mechanism - Google Patents
Rope winding device of tower crane lifting mechanism Download PDFInfo
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- CN220886827U CN220886827U CN202322649729.9U CN202322649729U CN220886827U CN 220886827 U CN220886827 U CN 220886827U CN 202322649729 U CN202322649729 U CN 202322649729U CN 220886827 U CN220886827 U CN 220886827U
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- main shaft
- tower crane
- steel wire
- wire rope
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000004804 winding Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model provides a rope winding device of a tower crane lifting mechanism, which comprises an underframe, a main shaft seat, a main shaft, a winch drum and a braking mechanism; the underframe is arranged on a lifting platform of the tower crane; the two spindle seats are respectively arranged at two ends of the underframe; the upper parts of the two spindle seats are respectively provided with an inserting shaft hole; two ends of the main shaft penetrate through the two shaft inserting holes and are rotatably arranged on the two main shaft seats; the cable drum is sleeved on the main shaft; the braking mechanism is arranged on the underframe and connected with one end of the main shaft; the steel wire rope is wound on the winch drum for a plurality of circles and then is wound on the lifting drum for a plurality of circles; the main shaft reversely rotates through the braking mechanism to tighten the steel wire rope so as to keep the steel wire rope in a tight state, and the problem that the rope-messing phenomenon occurs to the steel wire rope of the tower crane due to insufficient pre-tightening force of the rope-winding device in the prior art is solved.
Description
Technical Field
The utility model relates to the technical field of rope winding devices, in particular to a rope winding device of a hoisting mechanism of a tower crane.
Background
In a tower crane, the lifting mechanism is an important component, the tower crane mainly depends on the component to lift the weight, and the component needs to control various operations through a steel wire rope; the steel wire rope slides on the lifting mechanism for a long time, the telescopic sliding is realized by adjusting the tightness of the steel wire rope, and a rope winding device on the lifting mechanism is a device for controlling the change of the steel wire rope; if the pretightening force of the existing rope winding device is insufficient, the conditions that an upper layer rope is extruded into a lower layer rope, a steel rope jumps or the steel rope does not smoothly enter a rope groove and the like are likely to occur when the steel rope cannot be pretightened effectively during construction, the condition is called a rope disorder phenomenon, and the whole steel rope is damaged when the rope disorder phenomenon is serious, so that safety accidents such as abrupt drop and large vibration of a suspended object, breakage of the steel rope and falling of the suspended object are caused, the reliability of a lifting mechanism is seriously influenced, and the risks of operation and site construction of a tower crane are increased.
Disclosure of utility model
The utility model mainly aims to provide a rope winding device of a hoisting mechanism of a tower crane, which at least solves the problem that a rope disorder phenomenon occurs in a steel wire rope of the tower crane due to insufficient pretightening force of the rope winding device in the prior art.
In order to achieve the aim, the utility model provides a rope winding device of a lifting mechanism of a tower crane, which comprises a bottom frame, a main shaft seat, a main shaft, a winch drum and a braking mechanism; the underframe is arranged on a lifting platform of the tower crane; the two spindle seats are respectively arranged at two ends of the underframe; the upper parts of the two spindle seats are respectively provided with an inserting shaft hole; two ends of the main shaft penetrate through the two shaft inserting holes and are rotatably arranged on the two main shaft seats; the cable drum is sleeved on the main shaft; the braking mechanism is arranged on the underframe and connected with one end of the main shaft; the steel wire rope is wound on the winch drum for a plurality of circles and then is wound on the lifting drum for a plurality of circles; the main shaft reversely rotates through the braking mechanism to tighten the steel wire rope so as to keep the steel wire rope in a tight state.
Further, the braking mechanism comprises a subframe body and a brake; the auxiliary frame body is arranged on the underframe; the brake is arranged on the auxiliary frame body; the brake is provided with an output end, and the output end is connected with one end of the main shaft to rotate the main shaft.
Further, the rope winding device of the tower crane lifting mechanism further comprises a coupler; the coupling is provided on an output end of the brake and is connected with one end of the main shaft to connect the brake with the main shaft.
Further, the cable drum is cylindrical with two protruding ends and a narrow middle part.
Further, a first tooth-shaped structure is arranged at one end of the main shaft, and a second tooth-shaped structure matched with the first tooth-shaped structure is arranged on the coupler to be meshed with one end of the main shaft.
Further, the rope winding device also comprises a rope supporting device and a rope arranging device; the rope supporting device is arranged on a lifting platform of the tower crane; the rope supporting device is provided with a rope supporting beam; the steel wire rope passes through the rope supporting device through the cable drum and is abutted with the rope supporting beam; the rope arrangement device is arranged on a lifting platform of the tower crane; the rope arranging device is provided with a rope arranging wheel; the steel wire rope passes through the rope supporting device and is rotatably abutted on the rope arranging wheel.
Further, the rope supporting device is of a door-shaped structure.
The rope winding device of the tower crane lifting mechanism comprises a bottom frame, a main shaft seat, a main shaft, a winch drum and a braking mechanism; the underframe is arranged on a lifting platform of the tower crane; the two spindle seats are respectively arranged at two ends of the underframe; the upper parts of the two spindle seats are respectively provided with an inserting shaft hole; two ends of the main shaft penetrate through the two shaft inserting holes and are rotatably arranged on the two main shaft seats; the cable drum is sleeved on the main shaft; the braking mechanism is arranged on the underframe and connected with one end of the main shaft; the steel wire rope is wound on the winch drum for a plurality of circles and then is wound on the lifting drum for a plurality of circles; the main shaft reversely rotates through the braking mechanism to tighten the steel wire rope so as to keep the steel wire rope in a tight state, and the problem that the rope-messing phenomenon occurs to the steel wire rope of the tower crane due to insufficient pre-tightening force of the rope-winding device in the prior art is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the main structure of an alternative roping arrangement for a crane hoisting mechanism according to an embodiment of the utility model;
FIG. 2 is a schematic overall structure of an alternative roping arrangement for a crane hoisting mechanism according to an embodiment of the utility model;
wherein the above figures include the following reference numerals:
10. A chassis; 20. a spindle base; 30. a main shaft; 40. a streamer barrel; 50. a braking mechanism; 51. a sub-frame body; 52. a brake; 60. a coupling; 70. a rope supporting device; 80. rope arrangement device.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The rope winding device of the tower crane lifting mechanism according to the embodiment of the utility model, as shown in fig. 1, comprises a bottom frame 10, a main shaft seat 20, a main shaft 30, a winch drum 40 and a braking mechanism 50; the underframe 10 is arranged on a tower crane lifting platform; the number of the spindle seats 20 is two, and the two spindle seats 20 are respectively arranged at two ends of the underframe 10; the upper parts of the two spindle bases 20 are respectively provided with an inserting shaft hole; two ends of the spindle 30 pass through the two shaft inserting holes and are rotatably arranged on the two spindle bases 20; the cable drum 40 is sleeved on the main shaft 30; the braking mechanism 50 is arranged on the underframe 10 and is connected with one end of the main shaft 30; wherein the wire rope is wound with the lifting reel for a plurality of turns after being wound with the cable drum 40 for a plurality of turns; the main shaft 30 is rotated reversely through the braking mechanism 50 to tighten the steel wire rope so as to keep the steel wire rope in a tight state, the steel wire rope is not easy to misplace and shift in the tight state, and the problem that the rope-winding device in the prior art is insufficient in pretightening force to cause rope disorder of the steel wire rope of the tower crane is solved.
In particular, as shown in fig. 1, the braking mechanism 50 includes a subframe 51 and a brake 52; the sub-frame body 51 is provided on the chassis 10; a stopper 52 is provided on the sub-frame 51; the brake 52 is provided with an output end, the output end is connected with one end of the main shaft 30 to rotate the main shaft 30, the brake 52 is an electric drum brake and is controlled by an electric control cabinet, and the reverse rotation force can be preset according to the control of the lifting mechanism on the steel wire rope, so that the rotation of the steel wire rope is controlled, and the steel wire rope is always tensioned during operation.
In specific implementation, as shown in fig. 1, the rope winding device of the hoisting mechanism of the tower crane further comprises a coupler 60; the coupling 60 is disposed at an output end of the brake 52 and connected with one end of the spindle 30 to connect the brake 52 with the spindle 30, and the coupling 60 is mainly used for connecting the brake 52 with the spindle 30 and disconnecting the brake 52 from the spindle 30, and requires manual operation during operation, thereby ensuring the connection and disconnection stability of each component during operation.
In particular, as shown in fig. 1, the cable drum 40 is cylindrical with two protruding ends and a narrow middle part, and the cable is wound around the middle part and blocked by the protruding ends, so that dislocation of the cable from the cable drum 40 is not easy to occur.
In specific implementation, as shown in fig. 1, a first tooth-shaped structure is provided at one end of the main shaft 30, and a second tooth-shaped structure matched with the first tooth-shaped structure is provided on the coupling 60 to be engaged with one end of the main shaft 30, because the coupling 60 and the main shaft 30 are in a rotating state during operation, the connection of the tooth-shaped structures makes the connection of the coupling 60 and the main shaft more stable, and the problem of dislocation disconnection is not easy to occur.
In particular, as shown in fig. 2, the rope winding device further includes a rope supporting device 70 and a rope arranging device 80; the rope supporting device 70 is arranged on the lifting platform of the tower crane; the rope supporting device 70 is provided with a rope supporting beam; the steel wire rope passes through the rope supporting device 60 through the cable drum 40 and is abutted with the rope supporting beam; the rope arrangement device 80 is arranged on a lifting platform of the tower crane; the rope arranging device 80 is provided with a rope arranging wheel; the wire rope passes through the rope supporting device 70 and then is rotatably abutted on the rope arranging wheel, the wire rope is abutted with the rope supporting beam on the rope supporting device 70, the upper end of the rope is abutted with the wire rope, then the wire rope passes through the rope supporting device 70, the lower end of the wire rope is abutted with the rope arranging wheel of the rope arranging device 80, so that the upper end and the lower end of the wire rope are limited to be a straight line with an angle difference with a lifting platform by the height difference of the rope supporting beam and the rope arranging wheel, and the wire rope is less loosened when sliding in operation.
In particular, as shown in fig. 2, the rope supporting device 70 has a portal structure, and the wire rope is disposed through a gap in the middle of the portal structure.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A rope winding device for a hoisting mechanism of a tower crane, comprising:
The underframe (10) is arranged on a tower crane lifting platform;
the two spindle seats (20) are arranged, and the two spindle seats (20) are respectively arranged at two ends of the underframe (10); the upper parts of the two main shaft seats (20) are respectively provided with an inserting shaft hole;
the two ends of the main shaft (30) penetrate through the two inserting shaft holes and are rotatably arranged on the two main shaft seats (20);
A cable drum (40), wherein the cable drum (40) is sleeved on the main shaft (30);
the braking mechanism (50) is arranged on the underframe (10) and is connected with one end of the main shaft (30);
Wherein the steel wire rope is wound on the winch drum (40) for a plurality of circles and then is wound on the lifting drum for a plurality of circles; the main shaft (30) reversely rotates through the braking mechanism (50) to tighten the steel wire rope so as to keep the steel wire rope in a tight state.
2. The rope-winding device of a tower crane hoisting mechanism according to claim 1, wherein the brake mechanism (50) comprises:
a sub-frame body (51), the sub-frame body (51) being provided on the chassis (10);
A brake (52), the brake (52) being provided on the sub-frame (51); the brake (52) is provided with an output end which is connected with one end of the main shaft (30) to rotate the main shaft (30).
3. The tower crane hoist rope handling apparatus of claim 2, further comprising:
And a coupling (60), wherein the coupling (60) is arranged on the output end of the brake (52) and is connected with one end of the main shaft (30) so as to connect the brake (52) with the main shaft (30).
4. The rope winding device of a tower crane hoisting mechanism according to claim 1, characterized in that the winch drum (40) is cylindrical with protruding ends and a narrow middle part.
5. A tower crane hoisting mechanism rope winding device according to claim 3, characterized in that a first tooth-shaped structure is arranged at one end of the main shaft (30), and a second tooth-shaped structure matched with the first tooth-shaped structure is arranged on the coupler (60) so as to be meshed with one end of the main shaft (30).
6. The tower crane hoist rope winding apparatus of claim 1, further comprising:
The rope supporting device (70) is arranged on the tower crane lifting platform; a rope supporting beam is arranged on the rope supporting device (70); the steel wire rope passes through the rope supporting device (70) through the cable drum (40) and is abutted with the rope supporting beam;
The rope arrangement device (80) is arranged on the tower crane lifting platform; the rope arranging device (80) is provided with a rope arranging wheel; the steel wire rope passes through the rope supporting device (70) and is rotatably abutted on the rope arranging wheel.
7. The rope winding device of a tower crane hoisting mechanism according to claim 6, wherein the rope supporting device (70) has a door-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322649729.9U CN220886827U (en) | 2023-09-28 | 2023-09-28 | Rope winding device of tower crane lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322649729.9U CN220886827U (en) | 2023-09-28 | 2023-09-28 | Rope winding device of tower crane lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220886827U true CN220886827U (en) | 2024-05-03 |
Family
ID=90874399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322649729.9U Active CN220886827U (en) | 2023-09-28 | 2023-09-28 | Rope winding device of tower crane lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220886827U (en) |
-
2023
- 2023-09-28 CN CN202322649729.9U patent/CN220886827U/en active Active
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