CN210710359U - Openable lifting hook - Google Patents
Openable lifting hook Download PDFInfo
- Publication number
- CN210710359U CN210710359U CN201921620893.4U CN201921620893U CN210710359U CN 210710359 U CN210710359 U CN 210710359U CN 201921620893 U CN201921620893 U CN 201921620893U CN 210710359 U CN210710359 U CN 210710359U
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- rotating shaft
- butt strap
- hook body
- lifting hook
- hook
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Abstract
The utility model discloses a foldable lifting hook, which comprises pull plates, wherein the two pull plates are parallel to each other and are vertically arranged, the tops of the two pull plates are fixedly connected through a horizontal beam, the two pull plates are respectively provided with a rotating shaft and an opening groove, and the opening direction of the opening groove is the horizontal direction; the fixed pulley is arranged between the two pulling plates and is connected with the pulling plate shaft; the hook body is arranged at the bottom of the pull plate, a horizontal butt strap is fixed above the hook body, one end of the butt strap is fixed with the rotating part of the rotating shaft, the axis of the rotating shaft is in the vertical direction, a plane bearing is also contacted between the bottom shaft end of the rotating part of the rotating shaft and the pull plate, and the axis of the plane bearing is superposed with the axis of the rotating shaft; when the hook body is positioned under the fixed pulley, one end of the butt strap departing from the rotating shaft is assembled with the notch groove. Adopt this utility model hook body can give out the space route that supplies cable wire and fixed pulley contact through the swing in the plane, and the gyration portion can be applicable to high heavy pressure field, life-span for a long time simultaneously.
Description
Technical Field
The utility model relates to a lifting hook field, concretely relates to lifting hook that can open and shut.
Background
There is a hook with a fixed sheave on its top, which is suitable for use with a wire rope, the fixed sheave being in contact with the wire rope. However, because the load-bearing capacity of the hook is large, the hook body below the hook is generally required to be positioned under the fixed pulley, and when the steel cable in contact with the fixed pulley needs to be replaced at some time, the hook body below the fixed pulley interferes, so that the replacement of the steel cable is inconvenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a lifting hook that can open and shut, the coupler body can make way out the space route that supplies cable wire and fixed pulley contact through the swing in the plane, and the gyration portion can be applicable to high heavy pressure field, life-span for a long time simultaneously.
In order to solve the above problem, the utility model provides a lifting hook that can open and shut, for reaching above-mentioned purpose, the utility model provides a technical scheme that its technical problem adopted is:
an openable lifting hook comprising: the two pull plates are parallel to each other and are vertically arranged respectively, the tops of the two pull plates are fixedly connected through a horizontal beam, the two pull plates are provided with a rotating shaft and an opening groove respectively, and the opening direction of the opening groove is the horizontal direction; the fixed pulley is arranged between the two pulling plates and is connected with the pulling plate shaft; the hook body is arranged at the bottom of the pull plate, a horizontal butt strap is fixed above the hook body, one end of the butt strap is fixed with the rotating part of the rotating shaft, the axis of the rotating shaft is in the vertical direction, a plane bearing is also contacted between the bottom shaft end of the rotating part of the rotating shaft and the pull plate, and the axis of the plane bearing is superposed with the axis of the rotating shaft; when the hook body is positioned under the fixed pulley, one end of the butt strap departing from the rotating shaft is assembled with the notch groove.
The beneficial effect of adopting above-mentioned technical scheme is: the access board can rotate a certain angle along the horizontal plane, so that the space below the fixed pulley is opened, the steel cable and the fixed pulley can be conveniently and rapidly separated or contacted, and a space path is provided for the steel cable. The pivot provides the horizontal swing freedom of the access panel and the communication. The plane bearing also plays a role in providing the horizontal swinging freedom degree of the butt strap and the communication, and meanwhile, the plane bearing can bear great vertical pressure, so that the damage of overweight vertical force to the rotating shaft is prevented, and meanwhile, the movement resistance of the butt strap and the communication during horizontal swinging is further reduced. The opening groove plays a limiting and fixing role for the access board, and after the opening groove is contacted with the access board, both ends of the access board can be fixed, so that the firm connection function is achieved, and the hook body can not be inclined when stressed.
As a further improvement, the axial length of the rotating shaft is greater than the vertical thickness of the butt strap, and the butt strap is fixed with the lower half part of the rotating shaft.
The beneficial effect of adopting above-mentioned technical scheme is: when the butt strap is subjected to downward tension, the oblique tension applied to the rotating shaft is relatively small.
As a further improvement of the utility model, the diameter of the plane bearing is larger than that of the circumferential surface of the rotating shaft.
The beneficial effect of adopting above-mentioned technical scheme is: guarantee that the axle head of pivot rotating part is all with the flat bearing contact, can provide powerful vertical holding power to the pivot, prevent that the pivot is crooked.
As a further improvement of the present invention, a roller is provided in the flat bearing.
The beneficial effect of adopting above-mentioned technical scheme is: the ball can bear bigger vertical pressure than the ball.
As a further improvement, the utility model is characterized in that an expanded base is integrally fixed at the bottom of the pull plate where the rotating shaft is located, and the width of the base is larger than the diameter of the plane bearing.
The beneficial effect of adopting above-mentioned technical scheme is: the enlarged base provides a stable support location for the flat bearing that can act on the entire lower surface of the flat bearing.
As the utility model discloses a further improvement again, the attachment strap possesses vertical bellied barb in the one end that deviates from the pivot, and when the coupler body was located under the fixed pulley, the barb contacted with the one side that deviates from the pivot on the arm-tie of opening groove place.
The beneficial effect of adopting above-mentioned technical scheme is: the barb has improved the connection anchorage degree after attachment strap and the assembly of opening groove, because the opening groove must possess certain degree of depth, the barb is an pitch arc along with the swing of attachment strap, when having the trend of leaving the opening groove again after attachment strap and the assembly of opening groove, the pitch arc motion route of barb can have certain extrusion with the plane of arm-tie to prevent that the attachment strap from taking off easily.
As a further improvement of the utility model, the barb protrudes downwards.
The beneficial effect of adopting above-mentioned technical scheme is: because the width of the notch groove can not be smaller than the thickness of the butt strap actually, and even slightly exceeds the thickness of the butt strap, when the hook body is subjected to downward huge pulling force, the butt strap can deform a little downwards inevitably at one end of the barb, the barb which protrudes downwards can extrude a little butt strap more along the trend at the moment, and the assembly tightness of the butt strap and the notch groove during hook body operation is ensured.
As a further improvement of the utility model, the hook body passes through the centroid of the butt strap, and the top of the hook body is provided with an expansion head which is in contact with the upper surface of the butt strap.
The beneficial effect of adopting above-mentioned technical scheme is: the fixing mode of the hook body and the butt strap can bear great vertical pulling force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a front view of another state of an embodiment of the present invention.
1-pulling a plate; 2-hook body; 3-fixed pulley; 4-horizontal beam; 5-a butt strap; 6-barb; 7-a rotating shaft; 8-plane bearings; 9-a base; 10-a notch groove; 11-enlarged head.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention: in order to reach the utility model discloses a purpose, a lifting hook that can open and shut includes: the pull plates 1 are parallel to each other and are vertically arranged, the tops of the two pull plates 1 are fixedly connected through a horizontal beam 4, the two pull plates 1 are respectively provided with a rotating shaft 7 and an opening groove 10, and the opening direction of the opening groove 10 is the horizontal direction; the fixed pulley 3 is arranged between the two pulling plates 1, and the fixed pulley 3 is connected with the pulling plates 1 through a shaft; the hook body 2 is arranged at the bottom of the pull plate 1, a horizontal butt strap 5 is fixed above the hook body 2, one end of the butt strap 5 is fixed with a rotating part of a rotating shaft 7, the axis of the rotating shaft 7 is in the vertical direction, a plane bearing 8 is also contacted between the bottom shaft end of the rotating part of the rotating shaft 7 and the pull plate 1, and the axis of the plane bearing 8 is superposed with the axis of the rotating shaft 7; when the hook body 2 is positioned right below the fixed pulley 3, the butt strap 5 is assembled with the notch groove 10 at the end away from the rotating shaft 7.
Fig. 2 is a state where the strap 5 is opened as compared with fig. 1.
The beneficial effect of adopting above-mentioned technical scheme is: the access board can rotate a certain angle along the horizontal plane, so that the space below the fixed pulley is opened, the steel cable and the fixed pulley can be conveniently and rapidly separated or contacted, and a space path is provided for the steel cable. The pivot provides the horizontal swing freedom of the access panel and the communication. The plane bearing also plays a role in providing the horizontal swinging freedom degree of the butt strap and the communication, and meanwhile, the plane bearing can bear great vertical pressure, so that the damage of overweight vertical force to the rotating shaft is prevented, and meanwhile, the movement resistance of the butt strap and the communication during horizontal swinging is further reduced. The opening groove plays a limiting and fixing role for the access board, and after the opening groove is contacted with the access board, both ends of the access board can be fixed, so that the firm connection function is achieved, and the hook body can not be inclined when stressed.
In other embodiments of the present invention, the axial length of the rotating shaft 7 is greater than the vertical thickness of the strap 5, and the strap 5 is fixed to the lower half portion of the rotating shaft 7.
The beneficial effect of adopting above-mentioned technical scheme is: when the butt strap is subjected to downward tension, the oblique tension applied to the rotating shaft is relatively small.
In other embodiments of the present invention, the diameter of the flat bearing 8 is larger than the diameter of the circumferential surface of the rotating shaft 7.
The beneficial effect of adopting above-mentioned technical scheme is: guarantee that the axle head of pivot rotating part is all with the flat bearing contact, can provide powerful vertical holding power to the pivot, prevent that the pivot is crooked.
In other embodiments of the present invention, the flat bearing 8 has a roller.
The beneficial effect of adopting above-mentioned technical scheme is: the ball can bear bigger vertical pressure than the ball.
In other embodiments of the present invention, an enlarged base 9 is integrally fixed at the bottom of the pulling plate 1 where the rotating shaft 7 is located, and the width of the base 9 is greater than the diameter of the plane bearing 8.
The beneficial effect of adopting above-mentioned technical scheme is: the enlarged base provides a stable support location for the flat bearing that can act on the entire lower surface of the flat bearing.
In other embodiments of the present invention, the butt strap 5 has the barb 6 protruding vertically at the end deviating from the rotating shaft 7, and when the hook body 2 is located under the fixed pulley 3, the barb 6 contacts with the surface deviating from the rotating shaft 7 on the pulling plate 1 where the notch groove 10 is located.
The beneficial effect of adopting above-mentioned technical scheme is: the barb has improved the connection anchorage degree after attachment strap and the assembly of opening groove, because the opening groove must possess certain degree of depth, the barb is an pitch arc along with the swing of attachment strap, when having the trend of leaving the opening groove again after attachment strap and the assembly of opening groove, the pitch arc motion route of barb can have certain extrusion with the plane of arm-tie to prevent that the attachment strap from taking off easily.
In other embodiments of the present invention, the barb 6 protrudes downward.
The beneficial effect of adopting above-mentioned technical scheme is: because the width of the notch groove can not be smaller than the thickness of the butt strap actually, and even slightly exceeds the thickness of the butt strap, when the hook body is subjected to downward huge pulling force, the butt strap can deform a little downwards inevitably at one end of the barb, the barb which protrudes downwards can extrude a little butt strap more along the trend at the moment, and the assembly tightness of the butt strap and the notch groove during hook body operation is ensured.
In other embodiments of the present invention, the hook 2 passes through the centroid of the strap 5, and the top of the hook 2 has an enlarged head 11 that contacts the upper surface of the strap 5.
The beneficial effect of adopting above-mentioned technical scheme is: the fixing mode of the hook body and the butt strap can bear great vertical pulling force.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. An openable and closable lifting hook, comprising:
the two pull plates are parallel to each other and are vertically arranged respectively, the tops of the two pull plates are fixedly connected through a horizontal beam, the two pull plates are provided with a rotating shaft and an opening groove respectively, and the opening direction of the opening groove is the horizontal direction;
the fixed pulley is arranged between the two pulling plates and is connected with the pulling plate shaft;
the hook body is arranged at the bottom of the pull plate, a horizontal butt strap is fixed above the hook body, one end of the butt strap is fixed with a rotating part of the rotating shaft, the axis of the rotating shaft is in the vertical direction, a plane bearing is also contacted between the bottom shaft end of the rotating part of the rotating shaft and the pull plate, and the axis of the plane bearing is superposed with the axis of the rotating shaft;
when the hook body is positioned under the fixed pulley, one end of the butt strap departing from the rotating shaft is assembled with the notch groove.
2. The retractable lifting hook of claim 1, wherein: the axial length of the rotating shaft is greater than the vertical thickness of the butt strap, and the butt strap is fixed with the lower half portion of the rotating shaft.
3. The retractable lifting hook of claim 2, wherein: the diameter of the plane bearing is larger than that of the circumferential surface of the rotating shaft.
4. An openable lifting hook as claimed in claim 3, wherein: the flat bearing is provided with a roller therein.
5. The retractable lifting hook of claim 4, wherein: the bottom of the pulling plate where the rotating shaft is located is integrally fixed with an expanded base, and the width of the base is larger than the diameter of the plane bearing.
6. The retractable lifting hook of claim 1, wherein: the one end that the attachment strap deviates from the pivot possesses vertical bellied barb, when the coupler body is located under the fixed pulley, the barb contacts with the one side that deviates from the pivot on the arm-tie of opening groove place.
7. The retractable lifting hook of claim 6, wherein: the barb protrudes downward.
8. The retractable lifting hook of claim 1, wherein: the hook body penetrates through the centroid of the butt strap, and the top of the hook body is provided with an expansion head which is in contact with the upper surface of the butt strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620893.4U CN210710359U (en) | 2019-09-26 | 2019-09-26 | Openable lifting hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620893.4U CN210710359U (en) | 2019-09-26 | 2019-09-26 | Openable lifting hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210710359U true CN210710359U (en) | 2020-06-09 |
Family
ID=70963879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921620893.4U Active CN210710359U (en) | 2019-09-26 | 2019-09-26 | Openable lifting hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210710359U (en) |
-
2019
- 2019-09-26 CN CN201921620893.4U patent/CN210710359U/en active Active
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