CN215666680U - Groove-disengaging anti-falling device for crane hook group - Google Patents
Groove-disengaging anti-falling device for crane hook group Download PDFInfo
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- CN215666680U CN215666680U CN202121107929.6U CN202121107929U CN215666680U CN 215666680 U CN215666680 U CN 215666680U CN 202121107929 U CN202121107929 U CN 202121107929U CN 215666680 U CN215666680 U CN 215666680U
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- pulley
- crane hook
- hook
- housing
- pulley mechanism
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Abstract
The utility model discloses a slot-off anti-falling device for a crane hook group, which at least comprises: the pulley mechanism, a housing arranged on the pulley mechanism, a pulley shaft penetrating through the pulley mechanism, two pull plates connected with the pulley shaft and a hook assembly clamped between the pull plates, wherein the hook assembly comprises a hook cross beam clamped between the pull plates and a hook arranged on the hook cross beam; should take off groove anti-falling device includes: the two lower parts of the two mounting plates are respectively fixed on the mounting plates on the two sides of the housing, the upper ends of the two mounting plates are higher than the pulley mechanism, and the two ends of the suspender are respectively fixedly connected with the two mounting plates. The utility model has simple and compact structure, the hanger rod is detachably arranged, the work of detaching the hook group, maintaining and protecting and the like is not influenced, and the safety accident can be effectively prevented after the steel wire rope of the hook group falls off the groove.
Description
Technical Field
The utility model relates to a groove-disengaging anti-falling device for a crane hook group.
Background
The crane has wide application in various industries and fields and frequent operation, the traditional crane hook group comprises a pulley (group), a pulley housing, a pulley shaft, a pulling plate, a hook cross beam, a hook, a bearing and the like, the pulling plate has two mounting modes of the inner side and the outer side of the pulley block through the pulley shaft, the pulling plate is mounted at the outer side of the pulley block, the two ends of the pulley shaft are provided with screw teeth, the pulling plate and the pulley housing are fixed at the inner sides of a stopping washer and a round nut, the structure is safe, when a steel wire rope jumps off a pulley groove, the pulling plate plays a role in protection, and the falling phenomenon of the hook group is not easy to occur; in the structure that the pulling plate is installed at the inner side of the pulley block, no effective fastening measure exists between the pulley housing and the pulley shaft generally, when the steel wire rope jumps to the outer side of the pulley, the pulley housing is extruded by the steel wire rope to be separated from the pulley shaft, at the moment, the steel wire rope is separated from the pulley shaft, and the falling phenomenon of the hook group occurs. In addition, on the hoisting operation site, the steel wire rope of the hook group can be separated from the pulley groove due to various unavoidable factors. In the structure that the pull plate of the hook group is arranged on the inner side of the pulley block, when the steel wire rope is separated from the groove to the gap between the outer side of the pulley and the pulley housing, the hook group is inclined due to the self weight of the hook group or the gravity of a hoisting object, the pulley housing is extruded and deformed by the steel wire rope to separate from the press plate, and at the moment, the steel wire rope is separated from the pulley shaft, so that the falling phenomenon of the hook group is caused. The device is used for the steel wire rope tripping pulley groove, and after the pulley housing is separated from the pressing plate, the device is suspended through the steel wire rope when the steel wire rope is separated from the pulley shaft, so that the hook group is prevented from falling.
Disclosure of Invention
The utility model aims to solve the problems and provides a groove-disengaging anti-falling device for a crane hook group, which can effectively prevent the hook group from falling when a steel wire rope jumps a groove.
The purpose of the utility model is realized as follows:
the utility model relates to a slot-off anti-falling device for a crane hook group, which at least comprises: the pulley mechanism, a housing arranged on the pulley mechanism, a pulley shaft penetrating through the pulley mechanism, two pull plates connected with the pulley shaft and a hook assembly clamped between the pull plates, wherein the hook assembly comprises a hook cross beam clamped between the pull plates and a hook arranged on the hook cross beam; should take off groove anti-falling device includes:
the two lower parts of the two mounting plates are respectively fixed on the mounting plates on the two sides of the housing, the upper ends of the two mounting plates are higher than the pulley mechanism, and the two ends of the suspender are respectively fixedly connected with the two mounting plates.
The crane hook group in the groove-disengaging anti-falling device for the crane hook group further comprises a plurality of bearings which are arranged on the pulley mechanism and used for installing the pulley shaft.
The lower ends of the two mounting plates in the groove falling prevention device for the crane hook group are both of an open pore structure and are respectively sleeved at two ends of the pulley shaft.
The mounting plate and the housing of the groove falling preventing device for the crane hook group are connected in a welding mode.
The two ends of the suspender and the two mounting plates in the groove falling preventing device for the crane hook group are respectively connected through a fastening suite.
Each fastening sleeve piece in the groove-disengaging anti-falling device for the crane hook group comprises a fixed piece and a movable piece, wherein the fixed piece and the movable piece are arranged on the suspender and are respectively positioned on the inner side and the outer side of the mounting plate, and the two movable pieces are in threaded connection with the suspender through threads arranged at two end parts of the suspender.
The movable pieces at the two end parts of the suspender in the groove-disengaging anti-falling device for the crane hook group are screwed in opposite directions.
Each fastening external member of the groove-disengaging anti-falling device for the crane hook group further comprises a gasket respectively positioned on the inner side and the outer side of the mounting plate.
The fixed part and the movable part in the groove falling prevention device for the crane hook group are both nuts, wherein the nuts serving as the fixed part are welded with the suspender.
The pulley mechanism in the groove-disengaging anti-falling device for the crane hook group comprises two pulleys, the outer side of the housing is mounted with the end part of the pulley shaft through a pressing plate, and each pressing plate is fixed through a fastening bolt which penetrates through the housing and is screwed on the end part of the pulley shaft.
The utility model has simple and compact structure, the hanger rod is detachably arranged, the work of detaching the hook group, maintaining and protecting and the like is not influenced, and the safety accident can be effectively prevented after the steel wire rope of the hook group falls off the groove.
Drawings
FIG. 1 is a schematic structural view of a drop-out prevention device for a crane hook set according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an installation state diagram of the anti-drop device for the slot of the crane hook group of the present invention;
fig. 4 is a left side view of fig. 3.
Detailed Description
The utility model will be further explained with reference to the drawings.
Referring to fig. 1 to 4, there is shown a drop-preventing device for a slot of a crane hook set 1 according to the present invention, the device at least comprises: the pulley mechanism 11, a housing 12 mounted on the pulley mechanism 11, a pulley shaft 13 passing through the pulley mechanism 11, two pulling plates 14 connected with the pulley shaft 13, and a hook assembly 2 clamped between the pulling plates 14, wherein the hook assembly comprises a hook cross beam 21 clamped between the pulling plates 14 and a hook 22 mounted on the hook cross beam 21;
should take off groove anti-falling device includes:
the lower parts of the two mounting plates 3 are respectively fixed on the two sides of the housing 12, and the upper ends of the two mounting plates 3 are higher than the pulley mechanism 11;
and the two ends of the suspender 4 are respectively connected with the two mounting plates 3.
In the present embodiment, the first and second electrodes are,
also comprises a plurality of bearings 15 which are arranged on the pulley mechanism 11 and used for installing the pulley shaft 13
The lower ends of the two mounting plates 3 are both of a perforated structure and are respectively sleeved at the two ends of the pulley shaft 13;
the mounting plate 3 is connected with the housing 12 in a welding mode;
the two ends of the suspender 4 are respectively connected with the two mounting plates 3 through a fastening kit 5;
each fastening kit 5 comprises a fixed member 51 and a movable member 52 which are arranged on the suspension rod 4 and are respectively positioned inside and outside the mounting plate 3, wherein the movable member 52 is in threaded connection with the suspension rod 4 through threads arranged at two end parts of the suspension rod 4; the fixed element 51 and the movable element 52 can both be selected from nuts, wherein the nut serving as the fixed element 51 is welded with the suspension rod 4, a gasket is selected between the nut and the suspension rod 4, and the two movable elements 52 are screwed oppositely;
the pulley mechanism 11 includes two pulleys;
the outer side of the housing 12 is fixedly mounted to the pulley shaft 13 by a pressing plate 16, and each pressing plate 16 is fixed by a fastening bolt 17 passing through the housing 12 and tightened in a screw hole at the end of the pulley shaft 13.
When the steel wire rope 6 is out of the groove to the gap between the outer side of the pulley mechanism 11 and the housing 12, the hook component 2 inclines due to the self weight of the hook component 2 or the gravity of a hoisting object, the housing 12 is extruded and deformed by the steel wire rope 6 and is separated from the pressing plate 16, and at the moment, the steel wire rope 6 is separated from the pulley shaft 13 and is suspended on the suspender 4 of the device to prevent the hook component 2 from falling.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (10)
1. An out-of-slot fall arrest device for a crane hook set, the crane hook set comprising at least: the pulley mechanism, a housing arranged on the pulley mechanism, a pulley shaft penetrating through the pulley mechanism, two pull plates connected with the pulley shaft and a hook assembly clamped between the pull plates, wherein the hook assembly comprises a hook cross beam clamped between the pull plates and a hook arranged on the hook cross beam; it is characterized in that the groove falling preventing device comprises:
the two lower parts are respectively fixed on the mounting plates on two sides of the housing, the upper ends of the two mounting plates are higher than the pulley mechanism, and the two ends of the suspender are respectively fixedly connected with the two mounting plates.
2. A drop-off prevention device for a crane hook set as claimed in claim 1, wherein the crane hook set further comprises a plurality of bearings provided on the pulley mechanism for mounting the pulley shaft.
3. The device of claim 1, wherein the mounting plates are formed with openings at their lower ends and are respectively fitted over the ends of the pulley shaft.
4. A drop-out prevention device for a crane hook set as claimed in claim 1 wherein the mounting plate is connected to the housing by welding.
5. A drop-preventing device for a crane hook set as claimed in claim 1, wherein the ends of the boom and the two mounting plates are each connected by a fastening sleeve.
6. A drop-preventing device for a crane hook set as claimed in claim 5, wherein each of said fastening assemblies comprises a fixed member and a movable member mounted on said boom inside and outside said mounting plate respectively, and wherein both of said movable members are threadedly engaged with said boom via threads provided at both ends of said boom.
7. A drop-preventing device for a crane hook set as claimed in claim 6, wherein the movable members at the ends of the boom are screwed towards each other.
8. A drop-preventing device for a crane hook set as claimed in claim 6, wherein each said fastening assembly further comprises a spacer located inside and outside the mounting plate respectively.
9. A drop-preventing device for a crane hook set as claimed in claim 6, wherein the fixed member and the movable member are both nuts, and wherein the nut as the fixed member is welded to the boom.
10. The device of claim 1, wherein the pulley mechanism comprises two pulleys, and the outer side of the housing is mounted to the end of the pulley shaft by a pressing plate, each pressing plate being fixed by a fastening bolt passing through the housing and tightened to the end of the pulley shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107929.6U CN215666680U (en) | 2021-05-21 | 2021-05-21 | Groove-disengaging anti-falling device for crane hook group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121107929.6U CN215666680U (en) | 2021-05-21 | 2021-05-21 | Groove-disengaging anti-falling device for crane hook group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215666680U true CN215666680U (en) | 2022-01-28 |
Family
ID=79972636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121107929.6U Active CN215666680U (en) | 2021-05-21 | 2021-05-21 | Groove-disengaging anti-falling device for crane hook group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215666680U (en) |
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2021
- 2021-05-21 CN CN202121107929.6U patent/CN215666680U/en active Active
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