CN211644337U - Replaceable lifting hook for crane - Google Patents
Replaceable lifting hook for crane Download PDFInfo
- Publication number
- CN211644337U CN211644337U CN202020160312.XU CN202020160312U CN211644337U CN 211644337 U CN211644337 U CN 211644337U CN 202020160312 U CN202020160312 U CN 202020160312U CN 211644337 U CN211644337 U CN 211644337U
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- lifting hook
- supporting rod
- groove
- supporting
- rod
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Abstract
The utility model discloses a replaceable lifting hook for a crane, which comprises a pulley yoke and a lifting hook; the lifting hook is positioned at the lower side of the pulley yoke; it is characterized in that; the lifting hook comprises a double lifting hook and a single lifting hook; the lower side of the pulley yoke is provided with a ball hinge; a cylindrical rod is arranged on the ball hinge; a square groove and a circular groove are arranged inside the cylindrical rod; the circular groove is positioned at the top end of the square groove; a supporting groove is arranged at the lower side of the circular groove; the square groove, the circular groove and the supporting groove are communicated with each other; the lifting hook is provided with a first supporting rod; the top end of the first supporting rod is connected with the center of the second supporting rod; the first supporting rod and the second supporting rod are vertically arranged; the lifting hook, the first supporting rod and the second supporting rod are integrally cast and formed; according to different construction requirements, operators can quickly replace the lifting hook with higher efficiency, so that the danger coefficient of the object conveyed by the lifting hook is reduced; simple structure and low cost, and reduces energy consumption.
Description
Technical Field
The utility model relates to a crane hook technical field, concretely relates to removable formula lifting hook for crane.
Background
Hoisting a heavy object by a common rope of a crane, wherein the hook is divided into a single hook and a double hook; if a heavy object needs to be lifted, a single hook is better to use, and an unbalanced state is easy to occur when a double hook is used, and resources are wasted; if two or more heavy objects need to be lifted at one time, the double hooks are better in application, the single hook is low in use efficiency, the danger coefficient of the device is increased when the multiple heavy objects are lifted together, the working time is increased when the multiple heavy objects are lifted, the working efficiency is reduced, and the labor intensity of operators is increased; therefore, it is necessary to provide a replaceable lifting hook for a crane, which has the advantages of reasonable design, simple structure, low cost, high use efficiency and convenient replacement of a single hook and a double hook according to different conditions.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model provides a removable formula lifting hook for hoist, the availability factor is high.
The utility model provides a technical scheme that its technical problem adopted is: a replaceable lifting hook for a crane comprises a pulley yoke and a lifting hook; the lifting hook is positioned at the lower side of the pulley yoke; the lifting hook comprises a double lifting hook and a single lifting hook; the lower side of the pulley yoke is provided with a ball hinge; the ball hinge enables the lifting hook to rotate at multiple angles; a cylindrical rod is arranged on the ball hinge; a square groove and a circular groove are arranged inside the cylindrical rod; the circular groove is positioned at the top end of the square groove; a supporting groove is arranged at the lower side of the circular groove; the square groove, the circular groove and the supporting groove are communicated with each other; the top end of the lifting hook is provided with a first supporting rod; the top end of the first supporting rod is connected with the center of the second supporting rod; the first supporting rod and the second supporting rod are vertically arranged; lifting hook, first bracing piece, second bracing piece integrated into one piece casting shaping.
Preferably, the first support rod is cylindrical; the diameter of the cross section of the first supporting rod is smaller than the width of the square groove.
Preferably, the diameter of the circular groove is larger than the length of the second supporting rod; the length of the support groove is the same as the diameter of the circular groove.
Preferably, the depth of the square groove is greater than the length of the first supporting rod.
Preferably, the support groove is provided with an anti-skid coating; the friction force is increased; wear-resistant coatings are arranged on the square grooves and the circular grooves; the service life is prolonged.
Preferably, an arc-shaped base plate is arranged on the inner ring of the lifting hook; the arc-shaped base plate is made of rubber, and the damage of a rope to the inner ring of the lifting hook can be reduced.
Preferably, the first support rod and the second support rod are both made of materials with higher hardness; the material can be made of ferroalloy, and the safety of the device is improved.
The utility model has the advantages that according to different construction requirements, operators can quickly replace the lifting hook with higher efficiency, and the danger coefficient when the lifting hook is used for conveying objects is reduced; simple structure and low cost, and reduces energy consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic diagram of the specific structure of the present invention.
Fig. 3 is a top view of the internal structure of the cylindrical rod.
In the figure: 1. the pulley frame, 2, the lifting hook, 3, the ball hinge, 4, the cylindrical rod, 5, the square groove, 6, the circular groove, 7, the supporting groove, 8, the first supporting rod, 9, the second supporting rod and 10, the arc-shaped base plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, a replaceable lifting hook for a crane comprises a pulley yoke 1 and a lifting hook 2; the lifting hook 2 is positioned at the lower side of the pulley yoke 1; the lifting hook 2 comprises a double lifting hook and a single lifting hook; the lower side of the pulley yoke 1 is provided with a ball hinge 3; the ball hinge 3 enables the lifting hook 2 to rotate at multiple angles; can adapt to the shaking generated when the object is conveyed; a cylindrical rod 4 is arranged on the ball hinge 3; a square groove 5 and a circular groove 6 are arranged inside the cylindrical rod 4; the round groove 6 is positioned at the top end of the square groove 5; a supporting groove 7 is arranged at the lower side of the circular groove 6; the square groove 5, the circular groove 6 and the supporting groove 7 are communicated with each other; the top end of the lifting hook 2 is provided with a first supporting rod 8; the top end of the first supporting rod 8 is connected with the center of the second supporting rod 9; the first support rod 8 and the second support rod 9 are vertically arranged; the lifting hook 2, the first supporting rod 8 and the second supporting rod 9 are integrally cast and formed; the service life is prolonged by integral casting molding, and the danger coefficient of the device is increased by avoiding the damage of the connecting piece between the lifting hook 2, the first supporting rod 8 and the second supporting rod 9.
The first support rod 8 is cylindrical; the diameter of the cross section of the first supporting rod 8 is smaller than the width of the square groove 5; so that the device can be operated reasonably; the first supporting rod 8 is prevented from being thick and being incapable of being inserted into the square groove 5 and rotating.
The diameter of the circular groove 6 is larger than the length of the second support rod 9; the second support rod 9 is prevented from entering the circular groove 6; the length of the support groove 7 is the same as the diameter of the circular groove 6.
The depth of the square groove 5 is greater than the length of the first support rod 8; avoid inside the unable circular recess that enters into of second bracing piece 9, and then unable entering fixed slot, consequently can not play the supporting effect to lifting hook 2.
The support grooves 7 are provided with anti-skid coatings; when the second support rod 9 enters the support groove 7, the friction force is increased, and the practicability of the device is improved; the square groove 5 and the circular groove 6 are provided with wear-resistant coatings; the in-process that first bracing piece 8 and second bracing piece 9 inserted the recess is avoided appearing colliding with and the friction, sets up the abrasionproof coating and has increased life.
An arc-shaped base plate 10 is arranged on the inner ring of the lifting hook 2; the arc-shaped base plate 10 is made of rubber, and the arc-shaped base plate 10 can reduce abrasion of the rope to the inner ring of the lifting hook 2.
The first supporting rod 8 and the second supporting rod 9 are both made of materials with higher hardness; the material can be made of ferroalloy, and the safety of the device is improved.
When the utility model is used, when the lifting hook 2 is replaced, the old lifting hook is lifted upwards to make the second support bar 8 of the old lifting hook leave the support groove 7, and then the first support bar 8 is rotated to make the second support bar 9 aim at the square groove, so that the old lifting hook can be taken out downwards; align the second bracing piece 9 of new lifting hook again and insert square groove 5, treat that the 9 tops of second bracing piece support when 6 tops of circular recess, rotatory lifting hook 2 makes second bracing piece 9 get into and supports groove 7, can accomplish the change of lifting hook 2.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
1. A replaceable lifting hook for a crane comprises a pulley yoke (1) and a lifting hook (2); the lifting hook (2) is positioned at the lower side of the pulley yoke (1); the lifting hook (2) comprises a double lifting hook and a single lifting hook; the lower side of the pulley yoke (1) is provided with a ball hinge (3); it is characterized in that; a cylindrical rod (4) is arranged on the ball hinge (3); a square groove (5) and a circular groove (6) are arranged inside the cylindrical rod (4); the round groove (6) is positioned at the top end of the square groove (5); a supporting groove (7) is arranged at the lower side of the circular groove (6); the square groove (5), the circular groove (6) and the supporting groove (7) are communicated with each other; the top end of the lifting hook (2) is provided with a first supporting rod (8); the top end of the first supporting rod (8) is connected with the center of the second supporting rod (9); the first supporting rod (8) and the second supporting rod (9) are vertically arranged; the lifting hook (2), the first supporting rod (8) and the second supporting rod (9) are integrally cast and formed.
2. The replaceable lifting hook for cranes of claim 1, comprising: the first supporting rod (8) is cylindrical; the diameter of the cross section of the first supporting rod (8) is smaller than the width of the square groove (5).
3. The replaceable lifting hook for cranes of claim 1, comprising: the diameter of the circular groove (6) is larger than the length of the second support rod (9); the length of the supporting groove (7) is the same as the diameter of the circular groove (6).
4. The replaceable lifting hook for cranes of claim 1, comprising: the depth of the square groove (5) is larger than the length of the first supporting rod (8).
5. The replaceable lifting hook for cranes of claim 1, comprising: the support grooves (7) are provided with anti-skid coatings; and wear-resistant coatings are arranged on the square groove (5) and the circular groove (6).
6. The replaceable lifting hook for cranes of claim 1, comprising: an arc-shaped base plate (10) is arranged on the inner ring of the lifting hook (2); the arc-shaped backing plate (10) is made of rubber.
7. The replaceable lifting hook for cranes of claim 1, comprising: the first supporting rod (8) and the second supporting rod (9) are made of materials with higher hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160312.XU CN211644337U (en) | 2020-02-11 | 2020-02-11 | Replaceable lifting hook for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020160312.XU CN211644337U (en) | 2020-02-11 | 2020-02-11 | Replaceable lifting hook for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211644337U true CN211644337U (en) | 2020-10-09 |
Family
ID=72684420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020160312.XU Active CN211644337U (en) | 2020-02-11 | 2020-02-11 | Replaceable lifting hook for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211644337U (en) |
-
2020
- 2020-02-11 CN CN202020160312.XU patent/CN211644337U/en active Active
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