CN115321347A - Anti-drop lifting hook for crane - Google Patents
Anti-drop lifting hook for crane Download PDFInfo
- Publication number
- CN115321347A CN115321347A CN202211061238.6A CN202211061238A CN115321347A CN 115321347 A CN115321347 A CN 115321347A CN 202211061238 A CN202211061238 A CN 202211061238A CN 115321347 A CN115321347 A CN 115321347A
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- CN
- China
- Prior art keywords
- driving
- seat
- rod
- linkage rod
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an anti-drop lifting hook for a crane, which comprises a lifting hook device consisting of a pulley block (1), a pulling plate (2), a suspender (3) and a double lifting hook (4); the top between two arm-tie (2) is provided with positioning seat (5), and the upper end welded fastening of this positioning seat (5) is in the bottom of assembly pulley (1), a location spout (6) have been seted up to the bottom of positioning seat (5), the inside of this location spout (6) be provided with one can rather than clearance sliding fit's drive seat (7), the arm-tie (2) that can laminate slide in the both sides of this drive seat (7). According to the invention, on the premise of not influencing the original rope hanging mode, the lock columns are additionally arranged on the two sides of the existing edge-pulling, so that a complete closed loop is formed among the hook tip, the pulling plate and the box body in the hoisting process, and the slipping of the hoisting rope is effectively avoided.
Description
Technical Field
The invention relates to the technical field of goods hoisting equipment, in particular to an anti-dropping lifting hook for a crane.
Background
The safety accidents caused in the lifting process are mostly caused by the fact that a lifting rope is separated from a lifting hook, and in order to solve the problem, the current popular method is to install a buckle driven by a torsion spring between a hook point and a hook handle of the lifting hook, the buckle can be opened only in one direction, a closed loop for preventing the lifting rope from slipping is formed between the hook point and the hook handle, so that the lifting hook can be operated only by manually opening the buckle every time of lifting, and the integral automation degree is low.
Disclosure of Invention
The invention aims to provide an anti-falling lifting hook for a crane, which can effectively solve the problems in the background technology.
In order to solve the problems existing in the background technology, the device comprises a hook device consisting of a pulley block 1, a pulling plate 2, a suspender 3 and a double-hook 4; a positioning seat 5 is arranged at the top between the two pull plates 2, the upper end of the positioning seat 5 is welded and fixed at the bottom of the pulley block 1, a positioning chute 6 is arranged at the bottom of the positioning seat 5, a driving seat 7 which can be in clearance sliding fit with the positioning chute 6 is arranged inside the positioning chute 6, two sides of the driving seat 7 can be attached to the pull plates 2 to slide, a suspender 3 is arranged at the bottom of the driving seat 7, the bottom of the suspender 3 is provided with a double-hook 4, two sides of the bottom of the driving seat 7 respectively extend downwards to form limiting plates 8 which can be attached to the positioning seat 9 to slide, two sides of the positioning seat 9 are respectively welded and fixed on the pull plates 2, the suspender 3 can be in clearance sliding fit with the positioning seat 9, two ends of the pull plates 2 are respectively welded and fixed with box bodies 10, a lock column 11 and a driving device for driving the lock column 11 are arranged in each box body 10, and a hole for the lock column 11 to extend out is arranged at the bottom of each box body 10;
a platform 12 which can be attached to the lower bottom surface of the lock cylinder 11 is milled at the hook tip part of the double-hook 4, a lock head 13 is arranged on the platform 12, and a lock hole 14 for inserting the lock head 13 is formed in the lower bottom surface of the lock cylinder 11;
the driving device comprises a first linkage rod 15, a second linkage rod 16, a third linkage rod 17 and a fourth linkage rod 18 which are parallel to each other, wherein the first linkage rod 15, the second linkage rod 16, the third linkage rod 17 and the fourth linkage rod 18 form a parallelogram transmission structure, a first hinge shaft 19 which is in rotating connection and matching with the box body 10 is respectively installed on the third linkage rod 17 and the fourth linkage rod 18, the lower end of the second linkage rod 16 is welded and fixed with the driving platform 20 into a whole, the upper end and the lower end of the first linkage rod 15 are respectively in rotating connection and matching with a fifth driving connecting rod 21 through a hinge pin, the end part of the fifth driving connecting rod 21 is in rotating connection and matching with a movable seat 22 through a hinge pin, a second hinge shaft 23 which can be in rotating connection and matching with the pull plate 2 is installed in the middle of the fifth driving connecting rod 21, and the movable seat 22 is fixedly installed on the driving seat 7 and the limiting plate 8;
the lower bottom surface of the driving table 20 can slide along the upper top surface of the lock column 11;
the suspension rod 3 is sleeved with a return spring 100, and the upper end and the lower end of the return spring 100 are respectively propped between the lower bottom surface of the driving seat 7 and the upper top surface of the positioning seat 9.
The two sides of the top surface of the lock post 11 are respectively welded and fixed with a guide plate 24, the guide plate 24 is provided with a first guide sliding groove 25, and the two sides of the driving platform 20 are respectively provided with a guide sliding rail 26 which can be in clearance sliding fit with the first guide sliding groove 25.
The lock cylinder 11 is provided with linear rails 27 on both sides thereof, and the inner wall of the box body 10 is provided with linear rail grooves 28 matching with the linear rails 27.
The upper end of the suspender 3 is rotatably connected and matched with the driving seat 7 through a bearing 29, the middle part of the positioning seat 9 is provided with a rod groove 30 which can be in clearance sliding fit with the suspender 3, the inner wall of the rod groove 30 is provided with an arc-shaped sliding groove 31, the lower end of the arc-shaped sliding groove 31 is provided with a linear sliding groove 35 communicated with the arc-shaped sliding groove 31, and the suspender 3 is provided with an axon 32 which can be in clearance sliding fit with the arc-shaped sliding groove 31 and the linear sliding groove 35.
The two sides of the driving seat 7 respectively extend outwards to form a shaft disc 33, and the pulling plate 2 is provided with a second guide sliding groove 34 which can be in clearance sliding fit with the shaft disc 33.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: under the premise of not influencing the original rope hanging mode, the mode of additionally arranging the locking columns on two sides of the existing edge-drawing is adopted, so that a complete closed loop is formed between the hook tip and the pulling plate and the box body in the hoisting process, and the slipping of the lifting rope is effectively avoided.
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, and 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 cross-sectional view of the present invention;
FIG. 2 is an external structural view of the present invention;
FIG. 3 is a bottom view of the lock cylinder of the present invention;
FIG. 4 is a schematic view of the assembly of the boom and the drive socket of the present invention;
fig. 5 is a cross-sectional view of the positioning socket of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme in the embodiment of the invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the invention.
Referring to fig. 1-5, the present embodiment is realized by the following technical solution, which comprises a hook device composed of a pulley block 1, a pulling plate 2, a suspension rod 3 and a double hook 4; a positioning seat 5 is arranged at the top between the two pull plates 2, the upper end of the positioning seat 5 is welded and fixed at the bottom of the pulley block 1, a positioning chute 6 is arranged at the bottom of the positioning seat 5, a driving seat 7 which can be in clearance sliding fit with the positioning chute 6 is arranged inside the positioning chute 6, two sides of the driving seat 7 can be attached to the pull plates 2 to slide, a suspender 3 is arranged at the bottom of the driving seat 7, the bottom of the suspender 3 is provided with a double-hook 4, two sides of the bottom of the driving seat 7 respectively extend downwards to form limiting plates 8 which can be attached to the positioning seat 9 to slide, two sides of the positioning seat 9 are respectively welded and fixed on the pull plates 2, the suspender 3 can be in clearance sliding fit with the positioning seat 9, two ends of the pull plates 2 are respectively welded and fixed with box bodies 10, a lock column 11 and a driving device for driving the lock column 11 are arranged in each box body 10, and a hole for the lock column 11 to extend out is arranged at the bottom of each box body 10;
a platform 12 which can be attached to the lower bottom surface of the lock column 11 is milled at the hook tip part of the double-hook 4, a lock head 13 is arranged on the platform 12, and a lock hole 14 for inserting the lock head 13 is formed in the lower bottom surface of the lock column 11;
the driving device comprises a first linkage rod 15, a second linkage rod 16, a third linkage rod 17 and a fourth linkage rod 18 which are parallel to each other, wherein the first linkage rod 15, the second linkage rod 16, the third linkage rod 17 and the fourth linkage rod 18 form a parallelogram transmission structure, a first hinge shaft 19 which is in rotating connection and matching with the box body 10 is respectively installed on the third linkage rod 17 and the fourth linkage rod 18, the lower end of the second linkage rod 16 is welded and fixed with the driving platform 20 into a whole, the upper end and the lower end of the first linkage rod 15 are respectively in rotating connection and matching with a fifth driving connecting rod 21 through a hinge pin, the end of the fifth driving connecting rod 21 is in rotating connection and matching with a movable seat 22 through a hinge pin, a second hinge shaft 23 which can be in rotating connection and matching with the pulling plate 2 is installed in the middle of the fifth driving connecting rod 21, and the movable seat 22 is fixedly installed on the driving seat 7 and the limiting plate 8;
the lower bottom surface of the driving table 20 can slide along the upper top surface of the lock column 11;
the suspension rod 3 is sleeved with a return spring 100, and the upper end and the lower end of the return spring 100 are respectively propped between the lower bottom surface of the driving seat 7 and the upper top surface of the positioning seat 9.
The two sides of the top surface of the lock post 11 are respectively welded and fixed with a guide plate 24, the guide plate 24 is provided with a first guide sliding groove 25, and the two sides of the driving platform 20 are respectively provided with a guide sliding rail 26 which can be in clearance sliding fit with the first guide sliding groove 25.
The lock cylinder 11 is provided with linear rails 27 on both sides thereof, and the inner wall of the box body 10 is provided with linear rail grooves 28 matching with the linear rails 27.
Because this application has increased a box body 10 respectively in current arm-tie both sides, it is obviously inconvenient that original string from top to bottom detains the lifting rope, the upper end of jib 3 is passed through bearing 29 and is connected the cooperation with drive seat 7 swivelling joint, the middle part of positioning seat 9 is seted up can with jib 3 clearance sliding fit's pole groove 30, seted up arc spout 31 on the inner wall of pole groove 30, the lower extreme of this arc spout 31 is provided with rather than communicating sharp spout 35, jib 3 install one can with arc spout 31 and sharp spout 35 clearance sliding fit's axon 32, when drive seat 7 is located the top under the effect of spring 100, this moment lie in the topmost of arc spout 31 at axon 32, and double lift hook 4 is the off box body 10 this moment, that is to say that the top of double lift hook 4 is not blockked by box body 10 this moment.
The two sides of the driving seat 7 respectively extend outwards to form a shaft disc 33, and the pulling plate 2 is provided with a second guide sliding groove 34 which can be in clearance sliding fit with the shaft disc 33.
The following will further explain the application method and its principle of the technical solution part in this detailed description with reference to the accompanying drawings:
when in hoisting, firstly, the cable flag on the lifting rope is unfolded according to the hoisting specification, then, the lifting rope is sleeved on the double lifting hook 4, then, the hoisting equipment is started, along with the rising of the lifting hook device, the double lifting hook 4 and the lifting rod 3 drive the driving seat 7 to descend to compress the reset spring 100, the lifting rod 3 drives the lifting rod 3 and the double lifting hook 4 to rotate and return by utilizing the axon 32 and the arc-shaped sliding groove 31 in the descending process, when the axon 32 enters the linear sliding groove 35, the lock head 13 is rotated to be positioned right below the lock column 11, meanwhile, the movable seat 22 arranged on the driving seat 7 and the limiting plate 8 drives the fifth driving connecting rod 21 to drive the first linkage rod 15 in the whole parallelogram transmission structure to upwards lift by utilizing the second hinge shaft 23 as a fulcrum, the third linkage rod 17 drives the second linkage rod 16 to downwards press by utilizing the first hinge shaft 19 as a fulcrum in the upward lifting process of the first linkage rod 15, the lock column 11 is driven to downwards extend out of the box body 10 along the direction of the linear rail groove 28 in the upward direction, and finally, the lock hole 14 at the bottom surface of the lock column 11 is sleeved on the lock head, and the box body of the lifting hook 4 and the lifting rope is completely prevented from slipping off, and the box body of the lifting hook 3 and the box body of the lifting rope is effectively;
after the hanging weight contacts the ground, along with the gradual reduction of the hanging weight on the double-hook 4, the suspender 3 rises under the reset action of the reset spring 100 and drives the double-hook 4 to gradually deflect out through the arc-shaped sliding groove 31 of the axon 32, and meanwhile, the lock column 11 also moves upwards and is unlocked.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. An anti-drop lifting hook for a crane comprises a lifting hook device consisting of a pulley block (1), a pulling plate (2), a suspender (3) and double lifting hooks (4); the pulley block locking device is characterized in that a positioning seat (5) is arranged at the top between two pull plates (2), the upper end of the positioning seat (5) is welded and fixed at the bottom of a pulley block (1), a positioning chute (6) is formed in the bottom of the positioning seat (5), a driving seat (7) which can be in clearance sliding fit with the positioning chute (6) is arranged inside the positioning chute (6), two sides of the driving seat (7) can be attached to the pull plates (2) to slide, a hanging rod (3) is installed at the bottom of the driving seat (7), double hanging hooks (4) are arranged at the bottom of the hanging rod (3), limiting plates (8) which can be attached to the positioning seat (9) to slide are respectively extended downwards from two sides of the bottom of the driving seat (7), two sides of the positioning seat (9) are respectively welded and fixed on the pull plates (2), the hanging rod (3) can be in clearance sliding fit with the positioning seat (9), box bodies (10) are respectively welded and fixed at two ends of the pull plates (2), a locking column (11) and a driving device for driving the locking column (11) to extend out is arranged in each box body (10);
a platform (12) which can be attached to the lower bottom surface of the lock cylinder (11) is milled at the hook tip part of the double-hook (4), a lock head (13) is arranged on the platform (12), and a lock hole (14) for inserting the lock head (13) is formed in the lower bottom surface of the lock cylinder (11);
the driving device comprises a first linkage rod (15) and a second linkage rod (16) which are parallel to each other, and a third linkage rod (17) and a fourth linkage rod (18) which are parallel to each other, wherein the first linkage rod (15), the second linkage rod (16), the third linkage rod (17) and the fourth linkage rod (18) form a parallelogram transmission structure, a first hinge shaft (19) which is matched with the box body (10) in a rotating connection mode is respectively installed on the third linkage rod (17) and the fourth linkage rod (18), the lower end of the second linkage rod (16) is welded and fixed into a whole with the driving platform (20), the upper end and the lower end of the first linkage rod (15) are respectively matched with a fifth driving connecting rod (21) in a rotating connection mode through a pin shaft, the end portion of the fifth driving connecting rod (21) is matched with a movable seat (22) in a rotating connection mode through a pin shaft, a second hinge shaft (23) which is matched with a pull plate (2) in a rotating connection mode is installed in the middle of the fifth driving rod (21), and the movable seat (22) is fixedly installed on a driving seat (7) and a limiting plate (8);
the lower bottom surface of the driving table (20) can be attached to the upper top surface of the lock column (11) to slide;
the upper end and the lower end of the reset spring (100) are respectively propped between the lower bottom surface of the driving seat (7) and the upper top surface of the positioning seat (9).
2. The anti-drop lifting hook for the crane according to claim 1, wherein the lock cylinder (11) is welded and fixed with a guide plate (24) on each of two sides of the top surface, the guide plate (24) is provided with a first guide sliding groove (25), and the drive table (20) is provided with a guide sliding rail (26) on each of two sides thereof, the guide sliding rail being in clearance sliding fit with the first guide sliding groove (25).
3. The anti-drop lifting hook for the crane according to claim 1, wherein the lock cylinder (11) is provided at both sides thereof with linear rails (27), and the inner wall of the box body (10) is provided with linear rail grooves (28) engaged with the linear rails (27).
4. The anti-drop lifting hook for the crane according to claim 1, wherein the upper end of the lifting rod (3) is rotatably connected and matched with the driving seat (7) through a bearing (29), the middle part of the positioning seat (9) is provided with a rod groove (30) which can be in clearance sliding fit with the lifting rod (3), the inner wall of the rod groove (30) is provided with an arc sliding groove (31), the lower end of the arc sliding groove (31) is provided with a linear sliding groove (35) communicated with the arc sliding groove, and the lifting rod (3) is provided with an axon (32) which can be in clearance sliding fit with the arc sliding groove (31) and the linear sliding groove (35).
5. The anti-drop lifting hook for the crane according to claim 1, wherein two sides of the driving seat 7 respectively extend outward to form a shaft disc 33, and the pulling plate 2 is provided with a second guiding sliding groove 34 capable of being in clearance sliding fit with the shaft disc 33.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211061238.6A CN115321347A (en) | 2022-09-01 | 2022-09-01 | Anti-drop lifting hook for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211061238.6A CN115321347A (en) | 2022-09-01 | 2022-09-01 | Anti-drop lifting hook for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115321347A true CN115321347A (en) | 2022-11-11 |
Family
ID=83928651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211061238.6A Withdrawn CN115321347A (en) | 2022-09-01 | 2022-09-01 | Anti-drop lifting hook for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115321347A (en) |
-
2022
- 2022-09-01 CN CN202211061238.6A patent/CN115321347A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221111 |
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| WW01 | Invention patent application withdrawn after publication |