CN216687256U - Rope arranging wheel for tower crane hoisting mechanism - Google Patents
Rope arranging wheel for tower crane hoisting mechanism Download PDFInfo
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- CN216687256U CN216687256U CN202123313662.9U CN202123313662U CN216687256U CN 216687256 U CN216687256 U CN 216687256U CN 202123313662 U CN202123313662 U CN 202123313662U CN 216687256 U CN216687256 U CN 216687256U
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- pulley
- linear bearing
- steel sleeve
- wire rope
- steel wire
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Abstract
The utility model discloses a rope arranging wheel for a tower crane hoisting mechanism, which comprises a pulley, a steel sleeve and a linear bearing, wherein the pulley, the steel sleeve and the linear bearing are coaxially arranged, the linear bearing can move along the axial direction, the steel sleeve is fixedly arranged in an inner hole of the pulley, and the linear bearing is fixedly arranged in an inner hole of the steel sleeve; when the steel wire rope rotates into the rotary drum and is wound on the reel, and the position where the steel wire rope is connected with the reel moves along the axial direction of the reel, the steel wire rope drives the pulley to move along with the steel wire rope on the pulley shaft by utilizing the principle of linear motion of the linear bearing, so that the pulley and the position where the steel wire rope is connected with the reel are always kept on the same plane, and the phenomena of uneven rope arrangement and rope disorder are avoided.
Description
Technical Field
The utility model relates to the technical field of tower cranes, in particular to a rope sheave for a tower crane hoisting mechanism.
Background
When a tower crane lifts a suspended load, in the process that a steel wire rope turns into a rotary drum, the problem of uneven and disordered rope arrangement sometimes occurs because the place where the steel wire rope is wound and connected with a scroll and a rope arranging wheel are not on the same plane, so that the lifting process is blocked and stopped, and equipment is damaged even in serious cases, thereby causing safety accidents.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rope arranging wheel for a tower crane hoisting mechanism, which can axially slide along with a steel wire rope arranging process in the process of turning a steel wire rope into a rotary drum, so that the rope arranging wheel and the steel wire rope are always kept on the same plane, and the phenomena of uneven rope arrangement and rope disorder are avoided.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a rope sheave for tower machine hoisting mechanism, includes pulley, steel bushing and the linear bearing that can follow axial motion of coaxial setting, steel bushing fixed mounting is in the pulley hole, linear bearing fixed mounting is in the steel bushing hole, pulley both sides terminal surface uses interior circle contour line to be provided with a plurality of screws of going up as circle central line equipartition, it is half screw hole to go up the screw, steel bushing excircle length equals with the pulley wheel width, steel bushing both sides terminal surface uses the excircle contour line to be provided with the lower screw that equals with last screw quantity for circle central line equipartition, the screw is half screw hole down, it makes up into a complete screw hole with screw down to go up the screw, the steel bushing suit is in the pulley and passes screw and pulley fixed connection down through the screw.
Furthermore, the number of the upper screw holes and the lower screw holes is 3.
Further, the linear bearing is sleeved in the steel sleeve, the outer ring of the linear bearing is in interference fit with the inner circle of the steel sleeve, the two ends of the linear bearing are provided with retainer ring grooves, and the retainer ring grooves are provided with elastic retainer rings for clamping two end faces of the steel sleeve.
Further, the linear bearing is LM 60U.
Further, the pulley material is nylon, the pulley excircle is provided with the wire rope groove.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is provided with the linear bearing which can linearly move on the shaft, and after the utility model is arranged on the hoisting mechanism of the tower crane, in the working process, when the steel wire rope rotates into the rotary drum, the steel wire rope drives the pulley, the steel sleeve and the outer ring of the linear bearing to rotate around the pulley shaft, so that the abrasion of the steel wire rope is prevented; when the steel wire rope rotates into the rotary drum and is wound on the reel, and the position where the steel wire rope is connected with the reel moves along the axial direction of the reel, the steel wire rope drives the pulley to move along with the steel wire rope on the pulley shaft by utilizing the principle of linear motion of the linear bearing, so that the pulley and the position where the steel wire rope is connected with the reel are always kept on the same plane, and the phenomena of uneven rope arrangement and rope disorder are avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the pulley of the present invention;
FIG. 3 is a schematic illustration of a steel casing according to the present invention;
in the figure: 1-pulley, 101-upper screw hole, 102-steel wire rope groove, 2-steel sleeve, 201-lower screw hole, 3-linear bearing, 4-elastic retainer ring and 5-screw.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
Referring to fig. 1-3, an embodiment of the present invention is shown:
the utility model provides a tower machine is rope sheave for hoisting mechanism, pulley 1 including coaxial setting, steel bushing 2 and can follow axial motion's linear bearing 3, steel bushing 2 fixed mounting is in 1 hole of pulley, 3 fixed mounting in 2 holes of linear bearing, 1 both sides terminal surface of pulley uses the interior contour line to be provided with screw 101 on 3 groups for the circular central line equipartition, it is half screw hole to go up screw 101, 2 excircle length of steel bushing equals with 1 round width of pulley, 2 both sides terminal surfaces of steel bushing use the exterior contour line to be provided with screw 201 under 3 groups for the circular central line equipartition, screw 201 is half screw hole down, go up screw 101 and screw 201 down and make up into a complete screw hole, steel bushing 2 suit is in 1 pulley and passes screw 101 and screw 201 and pulley 1 fixed connection down through screw 5.
Wherein, the linear bearing 3 is sleeved in the steel bushing 2, the outer ring of the linear bearing 3 is in interference fit with the inner circle of the steel bushing 2, the two ends of the linear bearing 3 are provided with retainer grooves, the retainer grooves are provided with elastic retainer rings 4 for clamping the two end surfaces of the steel bushing 2, and the steel bushing 2 is prevented from moving left and right relative to the linear bearing 3.
Wherein, the linear bearing 3 is LM60U, can install on the axle and along the straight line motion of axial.
Wherein, pulley 1 material is nylon, has advantages such as light in weight, wear-resisting, and pulley 1 excircle is provided with wire rope groove 102 for wire rope's direction.
When the steel wire rope is rotated into the rotary drum, the steel wire rope drives the pulley 1, the steel sleeve 2 and the outer ring of the linear bearing 3 to rotate around the pulley shaft, so that the steel wire rope is prevented from being abraded; when the steel wire rope is rotated into the rotary drum and is wound on the reel, and the position where the steel wire rope is connected with the reel moves along the axial direction of the reel, the steel wire rope drives the pulley 1 to move along with the steel wire rope on the pulley shaft by utilizing the principle of linear motion of the linear bearing 3, so that the positions where the pulley 1 and the steel wire rope are connected with the reel are always kept on the same plane, and the phenomena of uneven rope arrangement and rope disorder are avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a tower machine is rope sheave for hoisting mechanism which characterized in that: comprises a pulley (1), a steel sleeve (2) and a linear bearing (3) which are coaxially arranged, the steel sleeve (2) is fixedly arranged in the inner hole of the pulley (1), the linear bearing (3) is fixedly arranged in the inner hole of the steel sleeve (2), a plurality of upper screw holes (101) are uniformly distributed on the end surfaces of the two sides of the pulley (1) by taking the inner circle contour line as the center line of the circle, the upper screw hole (101) is a half threaded hole, the length of the excircle of the steel sleeve (2) is equal to the wheel width of the pulley (1), the end surfaces of the two sides of the steel sleeve (2) are uniformly provided with lower screw holes (201) with the number equal to that of the upper screw holes (101) by taking the outer circle contour line as a circle center line, the lower screw hole (201) is a half threaded hole, the upper screw hole (101) and the lower screw hole (201) are combined into a complete threaded hole, the steel sleeve (2) is sleeved in the pulley (1) and penetrates through the upper screw hole (101) and the lower screw hole (201) through the screw (5) to be fixedly connected with the pulley (1).
2. The rope sheave for the hoisting mechanism of the tower crane according to claim 1, characterized in that: the number of the upper screw holes (101) and the lower screw holes (201) is 3.
3. The rope sheave for the hoisting mechanism of the tower crane according to claim 1, characterized in that: the linear bearing (3) is sleeved in the steel sleeve (2), the outer ring of the linear bearing (3) is in interference fit with the inner circle of the steel sleeve (2), retainer ring grooves are formed in two ends of the linear bearing (3), and elastic retainer rings (4) are arranged in the retainer ring grooves to clamp two end faces of the steel sleeve (2).
4. The rope sheave for the hoisting mechanism of the tower crane according to claim 1, characterized in that: the pulley (1) is made of nylon, and a steel wire rope groove (102) is formed in the outer circle of the pulley (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123313662.9U CN216687256U (en) | 2021-12-27 | 2021-12-27 | Rope arranging wheel for tower crane hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123313662.9U CN216687256U (en) | 2021-12-27 | 2021-12-27 | Rope arranging wheel for tower crane hoisting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216687256U true CN216687256U (en) | 2022-06-07 |
Family
ID=81844600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123313662.9U Active CN216687256U (en) | 2021-12-27 | 2021-12-27 | Rope arranging wheel for tower crane hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216687256U (en) |
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2021
- 2021-12-27 CN CN202123313662.9U patent/CN216687256U/en active Active
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