CN112723142A - Crane hook capable of preventing unhooking - Google Patents
Crane hook capable of preventing unhooking Download PDFInfo
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- CN112723142A CN112723142A CN202011405102.3A CN202011405102A CN112723142A CN 112723142 A CN112723142 A CN 112723142A CN 202011405102 A CN202011405102 A CN 202011405102A CN 112723142 A CN112723142 A CN 112723142A
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- clamping
- installation box
- fixedly arranged
- rack
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a crane hook capable of preventing unhooking, which relates to the technical field of cranes and comprises a first installation box, a second installation box, a first clamping mechanism, a second clamping mechanism, a buffer mechanism and a hook body, wherein the second installation box is arranged on the first installation box, the first clamping mechanism is arranged in the second installation box, the working end of the first clamping mechanism penetrates through two sides of the second installation box and extends to the outside, the second clamping mechanism is provided with two groups, the two groups of the second clamping mechanisms are identical in structure, the two groups of the second clamping mechanisms are respectively arranged at two working ends of the first clamping mechanism, the buffer mechanisms are arranged in two groups, the two groups of the buffer mechanisms are symmetrically arranged in the first installation box, the top of the hook body is arranged in the first installation box, and through the arrangement of all components, the hook can be fixedly connected to the wall of the crane, so that the unhooking phenomenon cannot occur, and the safety is improved.
Description
Technical Field
The application relates to the technical field of cranes, in particular to a hook for a crane, which can prevent unhooking.
Background
Along with the development of society, machinery has reached more and more important effect in people's daily life and production, because the facility and the accuracy of machinery, a large amount of manpower and financial resources have been saved, along with the hoisting equipment who is used for lifting by crane large-scale machinery has also developed, become indispensable component, the hoist plays crucial effect in high altitude construction's production, the effect of hoisting machinery couple is crucial, along with the progress of science and technology, people have higher and higher requirements to it, in the use of hoisting machinery, there is the potential safety hazard between hoist string arm and the couple, the unhook phenomenon very easily takes place, endanger life safety, consequently, we have proposed a novel couple anticreep device of hoisting machinery lifting hook, be used for solving above-mentioned problem.
Disclosure of Invention
The embodiment of the application provides a hook for crane, which can prevent unhooking, so as to solve the potential safety hazard existing between the crane arm and the hook, easily cause the unhooking phenomenon, and endanger the life safety.
The embodiment of the application adopts the following technical scheme: a hook capable of preventing a hook from being detached for a crane comprises a first installation box, a second installation box, a first clamping mechanism, a second clamping mechanism, a buffering mechanism, a fixing mechanism and a hook body, wherein two groups of fixing blocks are arranged in the first installation box, the two groups of fixing blocks are symmetrically arranged on two sides of the inner part of the first installation box, the second installation box is fixedly arranged on the first installation box, the first clamping mechanism is arranged in the second installation box, working ends of the first clamping mechanism penetrate through two sides of the second installation box and extend to the outside, the two groups of second clamping mechanisms are arranged, the two groups of second clamping mechanisms are identical in structure, the two groups of second clamping mechanisms are respectively and fixedly arranged at two working ends of the first clamping mechanism, the buffering mechanism is arranged in two groups, the buffering mechanism is identical in structure, the two groups of buffering mechanisms are symmetrically arranged in the first installation box, the fixing mechanism is provided with two groups, two groups the fixing mechanism has the same structure, two groups the fixing mechanism is symmetrically arranged on one side outside the first installation box, the top of the hook body is I-shaped, and the top fixing clamp of the hook body is arranged at the middle position of the fixing block in the first installation box.
Further, the first clamping mechanism comprises a first clamping motor, a first gear, a first slide bar, a second slide bar, a first rack and a second rack, the first clamping motor is fixedly arranged at the middle position in the second installation box, the first gear is fixedly arranged at the output end of the first clamping motor, one ends of the first slide bar and the second slide bar are symmetrically arranged on one side in the second installation box, the other ends of the second slide bar and the second slide bar are symmetrically arranged on the other side in the second installation box, the first rack is slidably arranged on the first slide bar, one end of the first rack is meshed with the first gear, the other end of the first rack penetrates through one side of the second installation box and extends to the outside, the second rack is slidably arranged on the second slide bar, and one end of the second rack is meshed with the first gear, the other end of the second rack penetrates through the other side of the second mounting box and extends to the outside.
Furthermore, each set of the second clamping mechanism comprises a clamping base, a clamping push rod, a motor fixing seat, a second clamping motor, a clamping screw rod, a first clamping block and a second clamping block, wherein a moving chute is formed in the clamping base, one side of one clamping base in the two sets of the clamping mechanisms is fixedly arranged on the first rack, one side of the other clamping base is fixedly arranged on the second rack, the clamping push rod is fixedly arranged on one side outside the second installation box, the output end of the clamping push rod is fixedly arranged on the other side of the clamping base, the motor fixing seat is fixedly arranged on one side outside the second installation box, the second clamping motor is fixedly arranged on the motor fixing seat, the output end of the second clamping motor penetrates through the clamping base and extends into the moving chute, and one end of the clamping screw rod is fixedly arranged at the output end of the second clamping motor, the other end of the clamping screw rod is rotatably arranged on the clamping base, the first clamping block is fixedly arranged on one side of the clamping base, the second clamping block is arranged in the movable sliding groove in a sliding mode, and the bottom of the second clamping block is arranged on the clamping screw rod in a threaded mode.
Furtherly, every group buffer gear all includes buffer block and buffer spring, the fixed setting of one end of buffer block is in the top of couple body, buffer spring is equipped with a plurality of groups, a plurality of groups buffer spring's one end is fixed to be set up one side on the first install bin is inside, a plurality of groups buffer spring's the other end is fixed to be set up on the other end of buffer block.
Further, every group fixed establishment all includes fixed cylinder, first transfer line, second transfer line and dead lever, fixed cylinder is fixed to be set up on the outer one side of first install bin, the fixed setting of one end of first transfer line is in the output of fixed cylinder, the fixed setting of one end of second transfer line is in on the other end of first transfer line, the fixed setting of one end of dead lever is in the other end of second transfer line
Further, be equipped with anti-drop on the couple body and detain and the anti-drop fixture block, anti-drop is detained and is rotated the setting and is in the top of couple body, the anti-drop fixture block is equipped with a plurality of groups, and a plurality of groups the anti-drop fixture block is fixed to be set up the inboard of couple body below.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
firstly, the invention can lead the hook to be fixedly connected on the wall of the crane through the matching work of the first clamping mechanism and the second clamping mechanism, the unhooking phenomenon can not occur, the safety is improved, when the first clamping mechanism works, the first clamping motor in the first clamping mechanism rotates to drive the first gear to rotate, the first gear drives the first rack and the second rack to move on the first sliding strip and the second sliding strip, through the work of the first clamping mechanism, the second clamping mechanism arranged on the first rack and the second rack can be further driven to carry out the clamping operation, the hook can be more firmly arranged on the wall of the crane, the fixity is improved, when the second clamping mechanism works, the second clamping motor in the second clamping mechanism rotates to drive the clamping screw rod to rotate, the clamping screw rod rotates to drive the second clamping block to move, through the work of the second clamping mechanism, the work that the first clamping block and the second clamping block are clamped mutually can be finished, the wall of the crane can be better clamped, the unhooking phenomenon cannot occur, and the safety is improved.
Secondly, the hook can be prevented from shaking back and forth in the using process to cause the falling of the hook through the arrangement of the buffer mechanism.
Thirdly, the hook body can be fixed through the arrangement of the fixing mechanism, the danger that the crane hook is unstable and shakes back and forth to fall off when in use is avoided, when the fixing mechanism works, the fixing cylinder works to drive the first transmission rod to move, the first transmission rod drives the second transmission rod to contract, the second transmission rod drives the fixing rod 64 to contract, and the hook body can be fixed through the matching work of the two groups of fixing mechanisms.
Fourthly, the anti-falling buckle, the plurality of groups of anti-falling blocks and the two groups of fixing blocks in the first mounting box are matched with the hook body in the H-shaped shape, so that the falling of objects on the hook can be avoided, and the safety is improved.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of a first clamping mechanism of the present invention;
FIG. 3 is a schematic structural view of a second clamping mechanism of the present invention;
FIG. 4 is a partial schematic view of the present invention;
FIG. 5 is a schematic structural view of the securing mechanism of the present invention;
fig. 6 is a partial structural schematic diagram of the present invention.
Reference numerals: the anti-falling device comprises a first installation box 1, a fixed block 11, a second installation box 2, a first clamping mechanism 3, a first clamping motor 31, a first gear 32, a first slide bar 33, a second slide bar 34, a first rack 35, a second rack 36, a second clamping mechanism 4, a clamping base 41, a clamping push rod 42, a motor fixed seat 43, a second clamping motor 44, a clamping screw rod 45, a first clamping block 46, a second clamping block 47, a movable sliding groove 48, a buffer mechanism 5, a buffer block 51, a buffer spring 52, a fixed mechanism 6, a fixed air cylinder 61, a first transmission rod 62, a second transmission rod 63, a fixed rod 64, a hook body 7, an anti-falling buckle 71 and an anti-falling clamping block 72.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, and all other embodiments, which can be obtained by those skilled in the art without inventive faculty, fall within the scope of the invention.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
The hook capable of preventing the unhooking crane comprises a first installation box 1, a second installation box 2, a first clamping mechanism 3, a second clamping mechanism 4, a buffer mechanism 5, a fixing mechanism 6 and a hook body 7, wherein two groups of fixing blocks 11 are arranged in the first installation box 1, the two groups of fixing blocks 11 are symmetrically arranged on two sides of the inner part of the first installation box 1, the second installation box 2 is fixedly arranged on the first installation box 1, the first clamping mechanism 3 is arranged in the second installation box 2, the working ends of the first clamping mechanism 3 penetrate through two sides of the second installation box 2 and extend to the outer part, the second clamping mechanisms 4 are arranged in two groups, the structures of the second clamping mechanisms 4 are the same, the two groups of second clamping mechanisms 4 are respectively and fixedly arranged at two working ends of the first clamping mechanism 3, the buffer mechanism 5 is arranged in two groups, two sets of 5 structures of buffer gear are the same, and are two sets of 5 symmetries of buffer gear set up in the first install bin 1, fixed establishment 6 is equipped with two sets ofly, and is two sets of 6 structures of fixed establishment are the same, and are two sets of 6 symmetries of fixed establishment set up on one side of first install bin 1 outside, the top of couple body 7 is the I shape, the top fixing clip of couple body is established on 11 intermediate positions of fixed block in the first install bin 1, through the setting of each part, can let couple fixed connection on the wall built-up of hoist, can not take place the unhook phenomenon, improved the security.
Specifically, the first clamping mechanism 3 includes a first clamping motor 31, a first gear 32, a first slide bar 33, a second slide bar 34, a first rack 35 and a second rack 36, the first clamping motor 31 is fixedly disposed at an intermediate position in the second mounting box 2, the first gear 32 is fixedly disposed at an output end of the first clamping motor 31, one ends of the first slide bar 33 and the second slide bar 34 are symmetrically disposed on one side of the inside of the second mounting box 2, the other ends of the second slide bar 34 and the second slide bar 34 are symmetrically disposed on the other side of the inside of the second mounting box 2, the first rack 35 is slidably disposed on the first slide bar 33, one end of the first rack 35 is engaged with the first gear 32, and the other end of the first rack 35 penetrates one side of the second mounting box 2 and extends to the outside, the second rack 36 is slidably disposed on the second slide bar 34, one end of the second rack 36 is engaged with the first gear 32, and the other end of the second rack 36 penetrates through the other side of the second mounting box 2 and extends to the outside, when the first clamping mechanism 3 works, the first clamping motor 31 rotates to drive the first gear 32 to rotate, the first gear 32 drives the first rack 35 and the second rack 36 to move on the first slide bar 33 and the second slide bar 34, and through the moving work of the first slide bar 33 and the second slide bar 34 in the first clamping mechanism 3, the second clamping mechanism 4 disposed on the first rack 35 and the second rack 36 can be further driven to perform clamping operation, so that the hook can be more firmly disposed on a crane wall, and the fixity is improved.
Specifically, each set of the second clamping mechanisms 4 includes a clamping base 41, a clamping push rod 42, a motor fixing seat 43, a second clamping motor 44, a clamping screw rod 45, a first clamping block 46 and a second clamping block 47, a moving chute 48 is disposed on the clamping base 41, one side of one clamping base 41 of the two sets of the second clamping mechanisms 4 is fixedly disposed on the first rack 35, one side of the other clamping base 41 is fixedly disposed on the second rack 36, the clamping push rod 42 is fixedly disposed on one side outside the second mounting box 2, an output end of the clamping push rod 42 is fixedly disposed on the other side of the clamping base 41, the motor fixing seat 43 is fixedly disposed on one side outside the second mounting box 2, the second clamping motor 44 is fixedly disposed on the motor fixing seat 43, an output end of the second clamping motor 44 penetrates through the clamping base 41 and extends into the moving chute 48, the fixed setting of one end of pressing from both sides tight lead screw 45 is in the output of second clamp motor 44, the other end of pressing from both sides tight lead screw 45 rotates and sets up press from both sides tight base 41, first clamp 46 is fixed to be set up press from both sides one side on the tight base 41, the slip setting of second clamp 47 is in remove the spout 48, and the bottom spiro union setting of second clamp 47 is in press from both sides tight lead screw 45, when second clamping mechanism 4 during operation, second clamp motor 44 rotates and drives and press from both sides tight lead screw 45 and rotate, and press from both sides tight block 47 and remove by pressing from both sides tight lead screw 45, presss from both sides tight block 47 work each other through the work of second clamping mechanism 4, can accomplish the tight work of first clamp 46 with second clamp 47, and the tight hoist wall built-up that can be better presss from both sides can not take place unhook phenomenon, and the security has obtained.
It is specific, every group buffer gear 5 all includes buffer block 51 and buffer spring 52, the fixed setting of one end of buffer block 51 is in the top of couple body 7, buffer spring 52 is equipped with a plurality of groups, a plurality of groups buffer spring 52's the fixed setting of one end is in one side on the first install bin 1 is inside, a plurality of groups buffer spring 52's the other end is fixed to be set up on buffer block 51's the other end, through buffer gear 5's setting, can avoid the couple to make a round trip to rock in the use, causes the couple to drop.
Specifically, each group of fixing mechanisms 6 comprises a fixing cylinder 61, a first transmission rod 62, a second transmission rod 63 and a fixing rod 64, the fixing cylinder 61 is fixedly arranged on one side outside the first installation box 1, one end of the first transmission rod 62 is fixedly arranged at the output end of the fixing cylinder 61, one end of the second transmission rod 63 is fixedly arranged at the other end of the first transmission rod 62, one end of the fixing rod 64 is fixedly arranged at the other end of the second transmission rod 63, when the fixing mechanism 6 works, the fixing cylinder 61 works to drive the first transmission rod 62 to move, the first transmission rod 62 drives the second transmission rod 63 to contract, the second transmission rod 63 drives the fixing rod (64 to contract and fix, through the work of the fixing mechanism 6, the hook body can be fixed, and the danger that the hook is unstable and shakes back and forth to fall off when in use is avoided, the safety is improved.
Specifically, be equipped with anti-drop on couple body 7 and detain 71 and anti-drop fixture block 72, anti-drop detains 71 and rotates the setting and is in the top of couple body 7, anti-drop fixture block 72 is equipped with a plurality of groups, a plurality of groups anti-drop fixture block 72 is fixed to be set up the inboard of couple body 7 below through rotating the setting of anti-drop detain 71 and a plurality of groups anti-drop blocks, can avoid the thing on the couple to drop, and the security has obtained the improvement.
The working principle of the invention; firstly, a first clamping motor 31 in a first clamping mechanism 3 rotates to drive a first gear 32 to rotate, the first gear 32 drives a first rack 35 and a second rack 36 to move on a first slide bar 33 and a second slide bar 34, through the moving work of the first slide bar 33 and the second slide bar 34 in the first clamping mechanism 3, a second clamping mechanism 4 arranged on the first rack 35 and the second rack 36 can be further driven to carry out clamping operation, through the work of the first clamping mechanism 3, a hook can be more firmly arranged on a crane wall, when the second clamping mechanism 4 works, a second clamping motor 44 in the second clamping mechanism 4 rotates to drive a clamping screw rod 45 to rotate, the clamping screw rod 45 rotates to drive a second clamping block 47 to move, the work of mutually clamping the first clamping block 46 and the second clamping block 47 can be completed, and the crane wall can be better clamped through the matching work of the first clamping mechanism 3 and the second clamping mechanism 4, the unhooking phenomenon can not occur, the safety is improved, through the arrangement of the buffer block 51 and the buffer spring 52 in the buffer mechanism 5, the phenomenon that the hook shakes back and forth in the use process to cause the falling of the hook can be avoided, when the fixing mechanism 6 works, the fixing cylinder 61 in the fixing mechanism 6 works to drive the first transmission rod 62 to move, the first transmission rod 62 drives the second transmission rod 63 to contract, the second transmission rod 63 drives the fixing rod 64 to contract and fix, through the simultaneous working of two groups of fixing mechanisms 6 with the same structure, the hook body can be fixed, the danger that the crane hook shakes back and forth to fall off to cause the injury of personnel in the use process is avoided, through the matched arrangement of the anti-falling buckle 71 on the hook body 7, a plurality of groups of anti-falling blocks and the I-shaped structures on the two groups of fixing blocks 11 and the top of the hook body 7 in the first installation box 1, the falling of things on, the safety is improved, the potential safety hazard existing between the crane hanging arm and the hook can be solved through the cooperation of all the mechanisms, the unhooking phenomenon is avoided, and the life safety is endangered.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. The hook capable of preventing unhooking for the crane is characterized by comprising a first installation box (1), a second installation box (2), a first clamping mechanism (3), a second clamping mechanism (4), a buffering mechanism (5), a fixing mechanism (6) and a hook body (7), wherein two groups of fixing blocks (11) are arranged in the first installation box (1), the two groups of fixing blocks (11) are symmetrically arranged on two sides of the inner part of the first installation box (1), the second installation box (2) is fixedly arranged on the first installation box (1), the first clamping mechanism (3) is arranged in the second installation box (2), the working end of the first clamping mechanism (3) penetrates through two sides of the second installation box (2) and extends to the outer part, the second clamping mechanism (4) is provided with two groups, and the two groups of second clamping mechanisms (4) are identical in structure, two sets of second clamping mechanism (4) are fixed the setting respectively two work ends of first clamping mechanism (3), buffer gear (5) are equipped with two sets ofly, and are two sets of buffer gear (5) structure is the same, and are two sets of buffer gear (5) symmetry sets up in first install bin (1), fixed establishment (6) are equipped with two sets ofly, and are two sets of fixed establishment (6) structure is the same, and is two sets of fixed establishment (6) symmetry sets up on the outside of first install bin (1), the top of couple body (7) is the I shape, the top fixing clip of couple body (7) is established on fixed block (11) intermediate position in first install bin (1).
2. The hook for the crane capable of preventing the unhooking as claimed in claim 1, wherein the first clamping mechanism (3) comprises a first clamping motor (31), a first gear (32), a first slide bar (33), a second slide bar (34), a first rack (35) and a second rack (36), the first clamping motor (31) is fixedly arranged at the middle position in the second installation box (2), the first gear (32) is fixedly arranged at the output end of the first clamping motor (31), one ends of the first slide bar (33) and the second slide bar (34) are symmetrically arranged on one side in the second installation box (2), the other ends of the second slide bar (34) and the second slide bar (34) are symmetrically arranged on the other side in the second installation box (2), the first rack (35) is slidably arranged on the first slide bar (33), one end of the first rack (35) is meshed with the first gear (32), the other end of the first rack (35) penetrates through one side of the second mounting box (2) and extends to the outside, the second rack (36) is arranged on the second sliding strip (34) in a sliding mode, one end of the second rack (36) is meshed with the first gear (32), and the other end of the second rack (36) penetrates through the other side of the second mounting box (2) and extends to the outside.
3. The hook for the crane capable of preventing the unhooking as claimed in claim 2, wherein each set of the second clamping mechanisms (4) comprises a clamping base (41), a clamping push rod (42), a motor fixing seat (43), a second clamping motor (44), a clamping screw rod (45), a first clamping block (46) and a second clamping block (47), a moving chute (48) is formed on the clamping base (41), one side of one clamping base (41) of the two sets of the second clamping mechanisms (4) is fixedly arranged on the first rack (35), one side of the other clamping base (41) is fixedly arranged on the second rack (36), the clamping push rod (42) is fixedly arranged on one side outside the second mounting box (2), and the output end of the clamping push rod (42) is fixedly arranged on the other side of the clamping base (41), the motor fixing seat (43) is fixedly arranged on one side outside the second mounting box (2), the second clamping motor (44) is fixedly arranged on the motor fixing seat (43), the output end of the second clamping motor (44) penetrates through the clamping base (41) and extends into the moving sliding groove (48), one end of the clamping screw rod (45) is fixedly arranged at the output end of the second clamping motor (44), the other end of the clamping screw rod (45) is rotatably arranged on the clamping base (41), the first clamping block (46) is fixedly arranged on one side of the clamping base (41), the second clamping block (47) is slidably arranged in the moving sliding groove (48), and the bottom of the second clamping block (47) is in threaded connection with the clamping screw rod (45).
4. The hook capable of preventing unhooking for the crane as claimed in claim 3, wherein each group of the buffer mechanisms (5) comprises a buffer block (51) and a buffer spring (52), one end of the buffer block (51) is fixedly arranged at the top of the hook body (7), the buffer spring (52) is provided with a plurality of groups, one end of the buffer spring (52) is fixedly arranged at one side on the inner part of the first installation box (1), and the other end of the buffer spring (52) is fixedly arranged at the other end of the buffer block (51).
5. The hook for crane capable of preventing unhooking as claimed in claim 4, wherein each set of said fixing mechanism (6) comprises a fixing cylinder (61), a first transmission rod (62), a second transmission rod (63) and a fixing rod (64), said fixing cylinder (61) is fixedly disposed on one side outside said first mounting box (1), one end of said first transmission rod (62) is fixedly disposed at the output end of said fixing cylinder (61), one end of said second transmission rod (63) is fixedly disposed at the other end of said first transmission rod (62), and one end of said fixing rod (64) is fixedly disposed at the other end of said second transmission rod (63).
6. The hook for crane capable of preventing unhooking as claimed in claim 5, wherein the hook body (7) is provided with an anti-falling buckle (71) and an anti-falling fixture block (72), the anti-falling buckle (71) is rotatably arranged above the hook body (7), the anti-falling fixture block (72) is provided with a plurality of groups, and the plurality of groups of anti-falling fixture blocks (72) are fixedly arranged at the inner side below the hook body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405102.3A CN112723142B (en) | 2020-12-03 | 2020-12-03 | Crane hook capable of preventing unhooking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011405102.3A CN112723142B (en) | 2020-12-03 | 2020-12-03 | Crane hook capable of preventing unhooking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112723142A true CN112723142A (en) | 2021-04-30 |
| CN112723142B CN112723142B (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011405102.3A Active CN112723142B (en) | 2020-12-03 | 2020-12-03 | Crane hook capable of preventing unhooking |
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