CN221165765U - Cable anti-drop device of crane - Google Patents
Cable anti-drop device of crane Download PDFInfo
- Publication number
- CN221165765U CN221165765U CN202322916404.2U CN202322916404U CN221165765U CN 221165765 U CN221165765 U CN 221165765U CN 202322916404 U CN202322916404 U CN 202322916404U CN 221165765 U CN221165765 U CN 221165765U
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- box
- cable
- cup jointed
- drop device
- crane
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- 230000000694 effects Effects 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000001050 lubricating effect Effects 0.000 claims description 13
- 238000005461 lubrication Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 21
- 238000007789 sealing Methods 0.000 description 18
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model provides a mooring rope anti-falling device of a crane. The cable anti-drop device of the crane comprises a box body, wherein a supporting frame is fixedly connected to the bottom of the box body, a pulley is movably sleeved in the supporting frame, a rotating shaft is movably sleeved at the bottom of an inner cavity of the box body, a gear is fixedly sleeved at the outer part of the rotating shaft, and a limiting sleeve is fixedly sleeved at the outer part of the rotating shaft. According to the cable anti-drop device of the crane, provided by the utility model, the threaded column is arranged, when the cable is required to be limited and fixed, the rotating motor is started, so that the rotating motor can drive the gear to rotate slowly through the threaded column, namely, the rotating shaft drives the limiting sleeve to turn over, so that the limiting sleeve can limit the cable in the pulley, the problem that the cable anti-drop effect is poor due to the fact that the limiting sleeve is driven to turn over reversely when the cable transmission is fluctuated is avoided, and the anti-drop effect of the cable is improved, namely, the safety of the crane in working is improved.
Description
Technical Field
The utility model relates to the field of cranes, in particular to a mooring rope anti-falling device of a crane.
Background
In large-scale equipment such as bridge cranes, pulleys, particularly fixed pulleys, are widely used as necessary parts, because the equipment is often required to operate objects with larger mass and volume, the pulleys on the equipment are required to be ensured more safely, the prior art needs to ensure the safety of the pulleys, and the pulleys can suddenly rotate due to the weight of a heavy object so as to drive a cable to drive, so that the safety of personnel positioned at the lower part of the crane can be threatened.
In the prior art, for example, chinese patent No.: the utility model provides a "hoist pulley hawser anti-drop mechanism" of CN 218931572U, wherein includes the pulley body, the pulley body is connected with the axis of rotation, axis of rotation periphery side rotation is connected with C shape support, C shape support rotates and is connected with chucking mechanism, C shape support one side threaded connection has skid-proof assembly, pulley body transmission is connected with the hawser body, chucking mechanism is including connecting the motor in C shape support one side, the motor output is connected with pivot A, pivot A periphery side is connected with gear A, gear A meshing is connected with gear B, gear B is connected with pivot B, pivot B periphery side is connected with the chuck, the contact groove has been seted up to the chuck. The utility model realizes single-position clamping action on the cable body on the pulley body which stops rotating, prevents the cable body from separating from the pulley body, and improves the safety.
When the cable is limited and fixed in the prior art, the gear has no locking function, so that the limiting component is easy to drive to turn over when the cable is driven, and the problem of poor cable limiting and anti-falling effects is caused.
Therefore, it is necessary to provide a cable anti-drop device of a crane to solve the above technical problems.
Disclosure of utility model
The utility model provides a cable anti-drop device of a crane, which solves the problem that the cable is poor in limiting anti-drop effect because a gear has no locking function and a limiting part is easy to drive to turn over when the cable is driven.
In order to solve the technical problems, the cable anti-drop device of the crane comprises a box body, wherein a supporting frame is fixedly connected to the bottom of the box body, a pulley is movably sleeved at the inner part of the supporting frame, a rotating shaft is movably sleeved at the bottom of an inner cavity of the box body, a gear is fixedly sleeved at the outer part of the rotating shaft, a limit sleeve is fixedly sleeved at the outer part of the rotating shaft, an anti-slip plate is fixedly sleeved at the inner part of the limit sleeve, a rotating motor is fixedly arranged on the front surface of the inner wall of the box body, a threaded column is fixedly connected to an output shaft of the rotating motor, a sliding groove is formed in the side surface of the inner wall of the box body, a sealing plate is movably sleeved at the inner part of the sliding groove, a sliding ball is movably sleeved at the bottom of the inner cavity of the sliding groove, a protective cover is fixedly sleeved at the inner part of the box body, a lubricating mechanism is arranged at the side surface of the inner wall of the box body, a lubricating pad is fixedly sleeved at the inner part of the protective cover, and a connecting mechanism is arranged at the side surface of the box body.
Preferably, the threaded column is in meshed connection with the gear, and the threaded column is perpendicular to the rotating shaft.
Preferably, the antiskid plate is matched with the limit sleeve, and the antiskid plate is made of manganese steel.
Preferably, the sealing plate is matched with the sliding groove, and the sealing plate is made of organic glass material.
Preferably, the number of the sliding balls is a plurality of the sliding balls, and the sliding balls are uniformly distributed at the bottom of the inner cavity of the sliding groove.
Preferably, the lubrication mechanism comprises an oil tank, the oil tank is fixedly connected to the side face of the inner wall of the tank body, an oil delivery pipe is fixedly sleeved on the side face of the oil tank, and one end of the oil delivery pipe is fixedly sleeved in the protective cover.
Preferably, the lubricating pad is made of natural fiber materials, and the lubricating pad is in close contact with the threaded column.
Preferably, the connecting mechanism comprises a bolt, the bolt is in threaded sleeve connection with the side surface of the box body, and a connecting sleeve is movably sleeved outside the bolt.
Compared with the related art, the cable anti-falling device of the crane has the following beneficial effects:
According to the cable anti-drop device of the crane, the threaded column is arranged, when the cable is required to be limited and fixed, the rotating motor is started, so that the rotating motor can drive the gear to rotate slowly through the threaded column, namely, the rotating shaft drives the limiting sleeve to turn over, so that the limiting sleeve can limit the cable in the pulley, the problem that the cable anti-drop effect is poor due to the fact that the limiting sleeve is driven to turn over reversely when the cable is driven to fluctuate is avoided, and the anti-drop effect of the cable is improved, namely, the safety of the crane during operation is improved;
Through setting up lubricated mechanism, when carrying out the hoist hawser spacing, open the oil delivery pipe for the inside lubricating oil of oil tank can be carried to the inside of protection casing through the oil delivery pipe, and then unrestrained to the outside of screw thread post, thereby reach the lubrication effect of screw thread post, improved the smoothness nature when the stop collar upset promptly, improved the smoothness nature when anticreep device starts promptly.
Drawings
FIG. 1 is a schematic view of a cable anti-disengaging device for a crane according to a preferred embodiment of the present utility model;
FIG. 2 is an elevation view of a cable anti-drop apparatus of the crane of FIG. 1;
FIG. 3 is an elevation view of the attachment mechanism of the cable anti-disengaging device of the crane of FIG. 1;
Fig. 4 is a bottom view of the protective cover of the cable anti-drop apparatus of the crane shown in fig. 1.
Reference numerals in the drawings: 1. a case; 2. a support frame; 3. a pulley; 4. a rotation shaft; 5. a gear; 6. a limit sleeve; 7. a cleat; 8. a rotating electric machine; 9. a threaded column; 10. a sliding groove; 11. a closing plate; 12. a sliding ball; 13. a protective cover; 14. a lubrication mechanism; 141. an oil tank; 142. an oil delivery pipe; 15. a lubricating pad; 16. a connecting mechanism; 161. a bolt; 162. and (5) connecting the sleeve.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, fig. 1 is a schematic structural diagram of a cable anti-disengaging device of a crane according to a preferred embodiment of the present utility model; FIG. 2 is an elevation view of a cable anti-drop apparatus of the crane of FIG. 1; FIG. 3 is an elevation view of the attachment mechanism of the cable anti-disengaging device of the crane of FIG. 1; fig. 4 is a bottom view of the protective cover of the cable anti-drop apparatus of the crane shown in fig. 1. The utility model provides a hawser anticreep device of hoist, including box 1, the bottom fixedly connected with support frame 2 of box 1, pulley 3 has been cup jointed in the activity of the inside activity of support frame 2, rotation axis 4 has been cup jointed in the activity of the bottom of box 1 inner chamber, gear 5 has been cup jointed to the outside fixed of rotation axis 4, stop collar 6 has been cup jointed to the outside fixed of rotation axis 4, antiskid ribbed tile 7 has been cup jointed to the inside fixed of stop collar 6, rotating electrical machines 8 have been fixedly installed in the front of box 1 inner wall, fixedly connected with screw thread post 9 on the output shaft of rotating electrical machines 8, sliding tray 10 has been seted up to the side of box 1 inner wall, closing plate 11 has been cup jointed in the inside activity of sliding tray 10 inner chamber's bottom activity, sliding ball 12 has been cup jointed in the inside fixed of box 1, the protection casing 13 has been cup jointed in the side of box 1 inner wall's protection casing is provided with lubrication mechanism 14, the inside fixed lubrication pad 15 that has been cup jointed of 13, the side of box 1 is provided with coupling mechanism 16.
The threaded column 9 is meshed with the gear 5, and the threaded column 9 is perpendicular to the rotating shaft 4; through setting up screw thread post 9, when needs carry out the spacing fixed of hawser, start rotating electrical machines 8 for rotating electrical machines 8 can drive gear 5 slow rotation through screw thread post 9, drive stop collar 6 through rotation axis 4 promptly and overturn, thereby make stop collar 6 can carry out spacingly to the inside hawser of pulley 3, thereby drive stop collar 6 reverse upset when having avoided the hawser transmission undulant, lead to the relatively poor problem of hawser anticreep effect, and then improved the anticreep effect of hawser, the security of hoist during operation has been improved promptly.
The antiskid plate 7 is matched with the limit sleeve 6, and the antiskid plate 7 is made of manganese steel; through setting up antiskid ribbed tile 7, when carrying out the hawser spacing, upset stop collar 6 for stop collar 6 can drive the inseparable extrusion of antiskid ribbed tile 7 in the outside of hawser, and the hawser can be by the inseparable extrusion of antiskid ribbed tile 7 at this moment in the inside of pulley 3, thereby reaches the fixed effect of hawser centre gripping, thereby has avoided the fixed back of hawser to take place gliding problem, thereby has improved the stability after the hawser is fixed.
The sealing plate 11 is matched with the sliding groove 10, and the sealing plate 11 is made of organic glass material; through setting up closure plate 11, when anticreep device installation is finished, slip closure plate 11 for closure plate 11 can the activity cup joint in the inside of box 1, makes box 1 can be sealed by closure plate 11, thereby has avoided the dust to get into inside box 1, leads to the problem that the dirt takes place for box 1 internals, and then has improved the inside cleanability of box 1.
The number of the sliding balls 12 is a plurality, and the sliding balls 12 are uniformly distributed at the bottom of the inner cavity of the sliding groove 10; by arranging the sliding ball 12, when the box body 1 is opened, the sliding ball 12 can support the sealing plate 11 which horizontally moves, so that the problem that the sealing plate 11 is severely worn due to friction between the sliding sealing plate 11 and the box body 1 is avoided, and the smoothness of the sliding sealing plate 11 is improved.
The lubrication mechanism 14 comprises an oil tank 141, the oil tank 141 is fixedly connected to the side surface of the inner wall of the tank body 1, an oil delivery pipe 142 is fixedly sleeved on the side surface of the oil tank 141, and one end of the oil delivery pipe 142 is fixedly sleeved in the protective cover 13; through setting up lubrication mechanism 14, when carrying out the hoist hawser spacing, open oil delivery pipe 142 for the inside lubricating oil of oil tank 141 can carry to the inside of protection casing 13 through oil delivery pipe 142, and then spill to the outside of screw thread post 9, thereby reaches the lubrication effect of screw thread post 9, has improved the smoothness nature when stop collar 6 upset promptly.
The lubricating pad 15 is made of natural fiber material, and the lubricating pad 15 is tightly contacted with the threaded column 9; through setting up the lubricating pad 15, when carrying out screw thread post 9 lubrication, lubricating pad 15 can evenly smear lubricating oil to screw thread post 9's outside to avoided screw thread post 9 to take place the unable rotatory problem of corrosion, thereby improved anticreep device's life.
The connecting mechanism 16 comprises a bolt 161, the bolt 161 is in threaded sleeve connection with the side surface of the box body 1, and a connecting sleeve 162 is movably sleeved outside the bolt 161; through setting up coupling mechanism 16, when carrying out anticreep device erection joint, cup joint the adapter sleeve 162 activity in the outside of bolt 161, rotatory bolt 161 this moment for bolt 161 can be with the inseparable extrusion of adapter sleeve 162 in the side of box 1, reaches the fixed mounting effect of adapter sleeve 162 promptly, thereby has brought the facility for the installation of anticreep device.
The utility model provides a cable anti-drop device of a crane, which has the following working principle:
The first step: firstly, when cable limiting and fixing are needed, the rotating motor 8 is started, the rotating motor 8 can drive the gear 5 to rotate slowly through the threaded column 9, namely, the rotating shaft 4 drives the limiting sleeve 6 to overturn, so that the limiting sleeve 6 can limit the cable inside the pulley 3, the problem that the cable anti-falling effect is poor due to the fact that the limiting sleeve 6 is driven to overturn reversely when the cable transmission is fluctuated is avoided, the anti-falling effect of the cable is improved, namely, the safety of the crane is improved, when the cable limiting is carried out, the limiting sleeve 6 is overturned, the limiting sleeve 6 can drive the anti-sliding plate 7 to tightly extrude the outer part of the cable, the cable can be tightly extruded inside the pulley 3 by the anti-sliding plate 7 at the moment, the effect of clamping and fixing the cable is achieved, the problem that the cable slides after fixing is avoided, the stability after fixing the cable is improved, when the anti-falling device is installed, the sealing plate 11 is enabled to be movably sleeved inside the box 1, the sealing plate 11 is enabled to be sealed by the sealing plate 11, dust is prevented from entering the box 1, the inner part of the box 1 is prevented from being polluted, the problem that the inner part of the box 1 is prevented from being polluted is improved, the sealing plate 11 is prevented from being further, the sealing plate 11 is prevented from being sealed when the sealing plate is sealed, and the box 11 is further, the sealing plate is prevented from being sealed, and the sliding plate 11 is further, the sealing plate 11 is prevented from being worn down, and the problem is improved, and the sealing plate is caused;
And a second step of: when the crane cable is limited, the oil delivery pipe 142 is opened, lubricating oil in the oil tank 141 can be conveyed to the inside of the protective cover 13 through the oil delivery pipe 142, and then the lubricating oil is scattered to the outside of the threaded column 9, so that the lubricating effect of the threaded column 9 is achieved, namely, the smoothness of the turnover of the limiting sleeve 6 is improved, when the threaded column 9 is lubricated, the lubricating pad 15 can uniformly smear the lubricating oil to the outside of the threaded column 9, so that the problem that the threaded column 9 cannot rotate due to rust is avoided, the service life of the anti-falling device is prolonged, when the anti-falling device is installed and connected, the connecting sleeve 162 is movably sleeved on the outside of the bolt 161, and at the moment, the bolt 161 is rotated, so that the bolt 161 can tightly extrude the connecting sleeve 162 to the side face of the box body 1, namely, the fixed installation effect of the connecting sleeve 162 is achieved, and convenience is brought to the installation of the anti-falling device.
Compared with the related art, the cable anti-falling device of the crane has the following beneficial effects:
Through setting up screw thread post 9, when needs carry out the spacing fixed of hawser, start rotating electrical machines 8 for rotating electrical machines 8 can drive gear 5 slow rotation through screw thread post 9, drive stop collar 6 through rotation axis 4 promptly and overturn, thereby make stop collar 6 can carry out spacingly to the inside hawser of pulley 3, thereby drive stop collar 6 reverse upset when having avoided the hawser transmission undulant, lead to the relatively poor problem of hawser anticreep effect, and then improved the anticreep effect of hawser, the security of hoist during operation has been improved promptly.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a hawser anticreep device of hoist, includes box (1), its characterized in that: the utility model discloses a box, including box (1), pulley (3) have been cup jointed to the bottom fixedly connected with support frame (2) of box (1), rotation axis (4) have been cup jointed in the bottom activity of support frame (2), gear (5) have been cup jointed in the bottom activity of box (1) inner chamber, stop collar (6) have been cup jointed in the outside fixed of rotation axis (4), antiskid ribbed tile (7) have been cup jointed to the inside fixed of stop collar (6), positive fixed mounting of box (1) inner wall has rotating electrical machines (8), fixedly connected with screw thread post (9) on the output shaft of rotating electrical machines (8), sliding tray (10) have been seted up to the side of box (1) inner wall, closure plate (11) have been cup jointed in the inside activity of sliding tray (10) inner chamber, sliding ball (12) have been cup jointed in the bottom activity of sliding tray (10) inner chamber, the inside fixed of box (1) has cup jointed protection casing (13), the side of box (1) inner wall is provided with lubrication mechanism (14), the inside fixed of protection casing (13) has cup jointed lubrication pad (15), side (16) have been provided with side connection mechanism (16).
2. A cable anti-drop device for a crane according to claim 1, characterized in that the threaded column (9) is in engagement with the gear (5) and that the threaded column (9) is perpendicular to the rotation axis (4).
3. The cable anti-drop device of the crane according to claim 1, wherein the anti-slip plate (7) is matched with the limit sleeve (6), and the anti-slip plate (7) is made of manganese steel.
4. The cable anti-drop device of the crane according to claim 1, wherein the closing plate (11) is adapted to the sliding groove (10), and the closing plate (11) is made of organic glass material.
5. The cable anti-drop device of the crane according to claim 1, wherein the number of the sliding balls (12) is a plurality, and the sliding balls (12) are uniformly distributed at the bottom of the inner cavity of the sliding groove (10).
6. The cable anti-drop device of the crane according to claim 1, wherein the lubrication mechanism (14) comprises an oil tank (141), the oil tank (141) is fixedly connected to the side surface of the inner wall of the tank body (1), an oil delivery pipe (142) is fixedly sleeved on the side surface of the oil tank (141), and one end of the oil delivery pipe (142) is fixedly sleeved in the protective cover (13).
7. A cable anti-drop device for a crane according to claim 1, characterized in that the material of the lubricating pad (15) is natural fibre material, and that the lubricating pad (15) is in close contact with the threaded column (9).
8. The cable anti-drop device of the crane according to claim 1, wherein the connecting mechanism (16) comprises a bolt (161), the bolt (161) is in threaded connection with the side surface of the box body (1), and a connecting sleeve (162) is movably connected with the outside of the bolt (161).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322916404.2U CN221165765U (en) | 2023-10-30 | 2023-10-30 | Cable anti-drop device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322916404.2U CN221165765U (en) | 2023-10-30 | 2023-10-30 | Cable anti-drop device of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221165765U true CN221165765U (en) | 2024-06-18 |
Family
ID=91458594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322916404.2U Active CN221165765U (en) | 2023-10-30 | 2023-10-30 | Cable anti-drop device of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221165765U (en) |
-
2023
- 2023-10-30 CN CN202322916404.2U patent/CN221165765U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |