CN220033873U - Rope tightener of crane - Google Patents
Rope tightener of crane Download PDFInfo
- Publication number
- CN220033873U CN220033873U CN202321039665.4U CN202321039665U CN220033873U CN 220033873 U CN220033873 U CN 220033873U CN 202321039665 U CN202321039665 U CN 202321039665U CN 220033873 U CN220033873 U CN 220033873U
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- rope
- cavity
- wall
- transmission
- rope tightening
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- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 26
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 15
- 239000010959 steel Substances 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of rope tighteners, and discloses a crane rope tightener, which comprises a box cover and a rope tightening transmission box, wherein a rope tightening cavity and a transmission cavity are formed in the rope tightening transmission box, a transmission hole communicated with the transmission cavity is formed in the left inner wall of the rope tightening cavity, a connecting rod is arranged in the transmission hole, the connecting rod is movably sleeved on the left inner wall and the right inner wall of the rope tightening transmission box, a retraction column is fixedly arranged at the right end of the outer side wall of the connecting rod, a fixed rope hole is formed in the outer side wall of the left end of the retraction column, a limiting component is arranged above the outer side wall of the retraction column, and two guide wheels matched with the retraction column are fixedly arranged at the right end of the inner side wall of the limiting component. The worm is driven to rotate through the rotation of the driving rope tightening motor, the worm is driven to rotate through the rotation of the worm, the worm wheel drives the winding and unwinding column to rotate through the connecting rod, and the steel wire rope is orderly arranged along the thread groove through the arrangement of the thread groove, the limiting assembly, the guide wheel and the drag reduction slide bar, so that the steel wire rope is prevented from being blocked by deviation and is more efficient to use.
Description
Technical Field
The utility model relates to the technical field of rope tighteners, in particular to a crane rope tightener.
Background
Currently, in view of the hook work application, the series of loads are lifted by wire ropes or special spreaders. However, due to different working conditions and hanging weights, the steel wire rope always has unhooking phenomenon at certain time, so that hidden danger is buried for the safety and the efficiency of the operation. In the prior art, a multi-multiplying-power steel wire rope winding method is needed to reduce a lifting hoisting mechanism for a large-tonnage crane, but in practical application, after a lifting steel wire rope passes through a multi-multiplying-power pulley block winding at the head of a suspension arm, phenomena of deviation, groove removal, clamping and the like of the steel wire rope in a pulley groove in a pulley block are easily generated, so that the crane cannot work normally, and an operator is needed to reset the deviated, groove removal and clamping steel wire rope into the pulley groove of the pulley block again to work normally; this will seriously affect the normal operating efficiency of large tonnage cranes. Meanwhile, the steel wire rope can be worn under the condition of long-term working, the mode of reducing the wear is to stop machine for oiling, and the working efficiency is reduced due to the excessively trouble.
For this purpose we propose a crane rope tensioner.
Disclosure of Invention
The utility model mainly solves the technical problems existing in the prior art and provides a rope tightener of a crane.
In order to achieve the purpose, the utility model adopts the following technical scheme that the rope tightener of the crane comprises a box cover and a rope tightening transmission box, a rope tightening cavity and a transmission cavity are formed in the rope tightening transmission box, a transmission hole communicated with the transmission cavity is formed in the left inner wall of the rope tightening cavity, a connecting rod is arranged in the transmission hole, the connecting rod is movably sleeved on the left inner wall and the right inner wall of the rope tightening transmission box, a winding and unwinding column is fixedly arranged at the right end of the outer side wall of the connecting rod, a fixed rope hole is formed in the outer side wall of the left end of the winding and unwinding column, a limiting component is arranged above the outer side wall of the winding and unwinding column (fixedly connected with one end of a steel wire rope in the fixed rope hole), and two guide wheels matched with the winding and unwinding column are fixedly arranged at the right end of the inner side wall of the limiting component.
Further, guide sliding grooves are respectively formed in the front inner wall and the rear inner wall of the rope tightening cavity, anti-drag sliding strips are respectively fixedly mounted at the front end and the rear end of the limiting assembly, and the anti-drag sliding strips are in sliding connection in the guide sliding grooves.
Further, the front end of the limiting component is provided with a rope tightening port, and limiting wheels are symmetrically arranged in the rope tightening port.
Further, the outer side wall of the retraction column is uniformly provided with a thread groove, and the two guide wheels are respectively and slidably connected in the thread groove.
Further, a rope tightening motor is fixedly arranged on the bottom inner wall of the transmission cavity and is in transmission connection with a worm through a rotating shaft, a worm wheel is arranged at the rear of the worm, the worm wheel is meshed with the worm, and the worm wheel is fixedly sleeved at the left end of the outer side wall of the connecting rod.
Further, a winding and unwinding port communicated with the rope tightening cavity is formed in the front face of the rope tightening transmission case, traction grooves are formed in the upper end and the lower end of the winding and unwinding port respectively, and multifunctional components are connected in the two traction grooves in a sliding mode.
Further, the oil storage cavity is formed in the multifunctional assembly, traction holes communicated with the oil storage cavity are formed in the front surface and the rear surface of the multifunctional assembly respectively, a sealing ring is arranged in the traction holes, a lubricating wheel is fixedly mounted on the top inner wall of the multifunctional assembly, a display port communicated with the oil storage cavity is formed in the left surface of the multifunctional assembly, and oil scale strips are arranged in the display port.
Advantageous effects
The utility model provides a rope tightener of a crane. The beneficial effects are as follows:
1. this hoist euphroe, during the use, the rotation through the tight rope motor of drive drives the worm and rotates, and the rotation of worm drives the worm wheel and rotates, and the rotation of worm wheel drives through the connecting rod and receive and releases the post rotation, through receiving and releases screw thread groove, spacing subassembly, leading wheel and drag reduction slide's setting on the post, lets wire rope follow screw thread groove ordered arrangement, can not the off tracking card die, uses more efficiently.
2. According to the rope tightener of the crane, the multifunctional assembly is filled with the protection oil, the winding and unwinding traction lubricating pulley of the steel wire rope rotates, so that the steel wire rope and the winding and unwinding column are protected, and the wear rate of the steel wire rope is effectively reduced through the arrangement of the limiting wheel on the limiting assembly.
Drawings
The structures, proportions, sizes, etc. shown in this description are for illustration purposes only and are not intended to limit the scope of the utility model, which is otherwise, used by those skilled in the art to which this utility model pertains.
FIG. 1 is a perspective view of an overall structure;
FIG. 2 is a cross-sectional view of the tight-cord drive housing;
FIG. 3 is a perspective view of a partial cord tightening assembly;
FIG. 4 is a block diagram of a rope tightening guide assembly;
fig. 5 is a cross-sectional view of the multi-functional assembly.
Legend description:
1. a case cover; 2. a rope tightening transmission case; 3. a multifunctional component; 4. an oil quantity scale bar; 5. a worm wheel; 6. a worm; 7. a rope tightening motor; 8. fixing the rope hole; 9. a column is retracted and released; 10. a limit component; 11. a guide wheel; 12. a drag-reducing slide bar; 13. a limiting wheel; 14. a lubrication wheel; 15. and (5) connecting a rod.
Detailed Description
1-5, including a case cover 1 and a rope tightening transmission case 2, a rope tightening cavity and a transmission cavity are arranged in the rope tightening transmission case 2, a transmission hole communicated with the transmission cavity is arranged on the left inner wall of the rope tightening cavity, a connecting rod 15 is arranged in the transmission hole, the connecting rod 15 is movably sleeved on the left and right inner walls of the rope tightening transmission case 2, a winding and unwinding column 9 is fixedly arranged at the right end of the outer side wall of the connecting rod 15, a fixed rope hole 8 is arranged on the outer side wall of the left end of the winding and unwinding column 9, a limiting component 10 is arranged above the outer side wall of the winding and unwinding column 9, two guide wheels 11 matched with the winding and unwinding column 9 are fixedly arranged at the right end of the inner side wall of the limiting component 10, guide sliding grooves are respectively arranged on the front and rear inner walls of the rope tightening cavity, drag reduction sliding strips 12 are fixedly arranged at the front and rear ends of the limiting component 10 respectively, the drag reduction sliding strips 12 are slidingly connected in the guide sliding grooves, the front end of the limit component 10 is provided with a rope tightening port, limit wheels 13 are symmetrically arranged in the rope tightening port, the outer side wall of the winding and unwinding column 9 is uniformly provided with thread grooves, two guide wheels 11 are respectively and slidably connected in the thread grooves, a rope tightening motor 7 is fixedly arranged on the bottom inner wall of a transmission cavity, the rope tightening motor 7 is in transmission connection with a worm 6 through a rotating shaft, the rear of the worm 6 is provided with a worm wheel 5, the worm wheel 5 is meshed with the worm 6, the worm wheel 5 is fixedly sleeved at the left end of the outer side wall of a connecting rod 15, the front surface of the rope tightening transmission case 2 is provided with a winding and unwinding port communicated with the rope tightening cavity, the upper end and the lower end of the winding and unwinding port are respectively provided with traction grooves, the two traction grooves are internally and slidably connected with a multifunctional component 3, the multifunctional component 3 is internally provided with oil storage cavities, the front surface and the rear surface of the multifunctional component 3 are respectively provided with traction holes communicated with the oil storage cavities, the inside the traction holes are provided with sealing rings, the lubricating wheel 14 is fixedly arranged on the top inner wall of the multifunctional assembly 3, a display port communicated with the oil storage cavity is formed in the left side of the multifunctional assembly 3, and an oil mass scale bar 4 is arranged in the display port.
The working principle of the utility model is as follows: during the use, drive worm 6 rotation through the rotation of drive tight rope motor 7, the rotation of worm 6 drives worm wheel 5 and rotates, and the rotation of worm wheel 5 drives through connecting rod 15 and receive and releases post 9 rotation, through receive and release the setting of screw thread groove, spacing subassembly 10, leading wheel 11 and drag reduction draw runner 12 on the post 9, lets wire rope follow the screw thread groove ordered arrangement, can not the off tracking card die, uses more efficiently. The multifunctional assembly 3 is filled with protective oil, and the traction lubricating pulley 14 rotates through the winding and unwinding of the steel wire rope, so that the steel wire rope and the winding and unwinding column 9 are protected, and the wear rate of the steel wire rope is effectively reduced through the arrangement of the limiting wheels 13 on the limiting assembly 10.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. The utility model provides a hoist euphroe, includes case lid (1) and euphroe transmission case (2), its characterized in that: the rope tightening device is characterized in that a rope tightening cavity and a transmission cavity are formed in the rope tightening transmission case (2), a transmission hole communicated with the transmission cavity is formed in the left inner wall of the rope tightening cavity, a connecting rod (15) is arranged in the transmission hole, the connecting rod (15) is movably sleeved on the left inner wall and the right inner wall of the rope tightening transmission case (2), a winding and unwinding column (9) is fixedly arranged at the right end of the outer side wall of the connecting rod (15), a fixed rope hole (8) is formed in the outer side wall of the left end of the winding and unwinding column (9), a limiting component (10) is arranged above the outer side wall of the winding and unwinding column (9), and two guide wheels (11) matched with the winding and unwinding column (9) are fixedly arranged at the right end of the inner side wall of the limiting component (10).
2. A crane rope tensioner according to claim 1, characterized in that: guide sliding grooves are formed in the front inner wall and the rear inner wall of the rope tightening cavity respectively, anti-drag sliding strips (12) are fixedly mounted at the front end and the rear end of the limiting assembly (10) respectively, and the anti-drag sliding strips (12) are connected in the guide sliding grooves in a sliding mode.
3. A crane rope tensioner according to claim 1, characterized in that: the front end of the limiting component (10) is provided with a rope tightening port, and limiting wheels (13) are symmetrically arranged in the rope tightening port.
4. A crane rope tensioner according to claim 1, characterized in that: the outer side wall of the retractable column (9) is uniformly provided with a thread groove, and the two guide wheels (11) are respectively and slidably connected in the thread groove.
5. A crane rope tensioner according to claim 1, characterized in that: the rope tightening motor (7) is fixedly mounted on the bottom inner wall of the transmission cavity, the rope tightening motor (7) is in transmission connection with the worm (6) through a rotating shaft, the worm wheel (5) is arranged at the rear of the worm (6), the worm wheel (5) is meshed with the worm (6), and the worm wheel (5) is fixedly sleeved at the left end of the outer side wall of the connecting rod (15).
6. A crane rope tensioner according to claim 1, characterized in that: the front of the rope tightening transmission case (2) is provided with a winding and unwinding port communicated with the rope tightening cavity, the upper end and the lower end of the winding and unwinding port are respectively provided with a traction groove, and the two traction grooves are internally and slidably connected with a multifunctional assembly (3).
7. The rope tensioner of claim 6, wherein: an oil storage cavity is formed in the multifunctional assembly (3), traction holes communicated with the oil storage cavity are formed in the front surface and the rear surface of the multifunctional assembly (3), a sealing ring is arranged in the traction holes, a lubricating wheel (14) is fixedly mounted on the top inner wall of the multifunctional assembly (3), a display opening communicated with the oil storage cavity is formed in the left surface of the multifunctional assembly (3), and oil mass scale bars (4) are arranged in the display opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321039665.4U CN220033873U (en) | 2023-04-26 | 2023-04-26 | Rope tightener of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321039665.4U CN220033873U (en) | 2023-04-26 | 2023-04-26 | Rope tightener of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220033873U true CN220033873U (en) | 2023-11-17 |
Family
ID=88743055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321039665.4U Active CN220033873U (en) | 2023-04-26 | 2023-04-26 | Rope tightener of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220033873U (en) |
-
2023
- 2023-04-26 CN CN202321039665.4U patent/CN220033873U/en active Active
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