CN112225068A - Lifting hook capable of being held tightly in emergency when goods fall - Google Patents

Lifting hook capable of being held tightly in emergency when goods fall Download PDF

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Publication number
CN112225068A
CN112225068A CN202011153396.5A CN202011153396A CN112225068A CN 112225068 A CN112225068 A CN 112225068A CN 202011153396 A CN202011153396 A CN 202011153396A CN 112225068 A CN112225068 A CN 112225068A
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CN
China
Prior art keywords
cavity
fixedly connected
piston
falling
connecting block
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.)
Withdrawn
Application number
CN202011153396.5A
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Chinese (zh)
Inventor
张车
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pujiang Peiluo Electronic Technology Co ltd
Original Assignee
Pujiang Peiluo Electronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pujiang Peiluo Electronic Technology Co ltd filed Critical Pujiang Peiluo Electronic Technology Co ltd
Priority to CN202011153396.5A priority Critical patent/CN112225068A/en
Publication of CN112225068A publication Critical patent/CN112225068A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-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
    • B66C1/10Load-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
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34Crane hooks
    • B66C1/36Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention discloses a lifting hook capable of holding goods tightly in an emergency when the goods fall off, which comprises a lifting hook, a placing cavity with an upward opening is arranged in the lifting hook, a placing plate is connected with the placing cavity in a vertical sliding manner, a main liquid cavity is communicated with the lower wall of the placing cavity, a return spring cavity positioned on the left side of the main liquid cavity is communicated with the lower wall of the placing cavity, a return spring is fixedly connected between the lower wall of the return spring cavity and the lower end surface of the placing plate, the lower end surface of the placing plate is fixedly connected with a main connecting block positioned on the right side of the return spring, the lower end face of the main connecting block is fixedly connected with a main piston plate which is in sliding connection with the main liquid cavity, the placing of goods is sensed through the spring placing plate, the goods are placed, the pressing blocks on the left side and the right side are pushed through the hydraulic piston cylinders to tightly hold the hanging rope so as to prevent the hanging rope from falling off and the like, and then the front side and the rear side of the hanging rope are tightly held respectively.

Description

Lifting hook capable of being held tightly in emergency when goods fall
Technical Field
The invention relates to the related field of cranes, in particular to a lifting hook capable of being held tightly in an emergency when goods fall.
Background
In many engineering projects, a crane is needed to carry and lift some heavy cargoes, and due to the heavy weight of the cargoes, many accidents occur in the transportation process, especially in the process of transporting the cargoes to a high place, the cargoes are separated from a lifting hook due to shaking, strong wind and the like, and even accidents such as falling of the cargoes and the like due to breakage of a hanging rope occur. The existing cranes are difficult to well prevent the hanging rope from falling off, are more difficult to perform protection measures when the hanging rope is accidentally broken, and have poor protectiveness. The hoisting hook capable of being held tightly in an emergency when the goods fall can solve the problems.
Disclosure of Invention
In order to solve the problems, the lifting hook capable of being held tightly emergently when goods fall is designed in the embodiment, the lifting hook capable of being held tightly emergently when goods fall comprises a lifting hook body, a placing cavity with an upward opening is arranged in the lifting hook body, a placing plate is connected to the placing cavity in a sliding mode from top to bottom, a main cavity is arranged on the placing cavity lower wall in a communicating mode, a main reset spring cavity is arranged on the left side of the main cavity in a communicating mode, a reset spring is fixedly connected between the lower wall of the reset spring cavity and the placing plate lower end face, a main connecting block on the right side of the reset spring is fixedly connected with the lower end face of the main connecting block, a main piston plate is fixedly connected with the main cavity in a sliding mode, a holding piston cavity with an upward opening and a symmetrical structure is arranged on the left side and the right side of the placing cavity in a supporting mode, and bottom ends The tightening piston cavity is connected with a sliding block in a sliding mode, a guide sliding cavity with an upward opening and an opening towards one side of the placing plate is arranged in the sliding block, a tightening mechanism extending upwards to the upper side of the lifting hook is arranged in the tightening piston cavity, the lower walls of the left and right communication pipelines are both communicated with a pressure valve pipeline, a drop-proof cavity with a downward opening and symmetrical front and back is arranged at the lower side of the main liquid cavity, the left and right walls of the drop-proof cavity are communicated with symmetrical lower piston cavities, the upper end surface of each lower piston cavity is communicated with the bottom end of the pressure valve pipeline, the lower piston cavity is connected with a lower piston in a left and right sliding mode, one side end surface of the lower piston close to the drop-proof cavity is fixedly connected with a lower connecting block extending inwards into the drop-proof cavity, and one side end surface of the lower connecting block close to the center of, the anti-falling device is characterized in that a pressure cavity with an opening on one side of the center of the anti-falling cavity is formed in the pressure block, the pressure cavity is connected with a pressure connecting block in a left-right sliding mode, an anti-falling mechanism is arranged in the pressure block, a fixing block is fixedly connected to the lower end face of the pressure connecting block, a fixing block cavity with an opening on one side of the center of the anti-falling cavity is formed in the fixing block, and a clamping mechanism is arranged.
Preferably, hold tight mechanism include with lead smooth chamber lower wall sliding connection's the connecting block that compresses tightly, it keeps away from to compress tightly the connecting block place a side end face of board with lead smooth chamber and keep away from fixedly connected with pulling force reset spring between a lateral wall of placing the board, compress tightly the articulated piece of connecting block up end fixedly connected with, articulated piece up end fixedly connected with compact heap, left side compact heap up end fixedly connected with magnetic path, right side compact heap up end fixedly connected with the magnet that the magnetic path corresponds, it is located to hold tight piston chamber sliding connection the piston is held to the sliding block downside, hold tight piston up end with fixedly connected with holds tight the connecting block under the sliding block between the terminal surface.
Preferably, the outer disc upside of jack-up hook just is located place a pair of support frame of the equal fixedly connected with in the board left and right sides, control two pairs rotate between the support frame and be connected with the axis of rotation, the outer disc fixedly connected with of axis of rotation take turns, the outer disc winding of take turns have with it is close to compress tightly the connecting block place a side end face fixed connection's of board fixed rope, the outer disc fixedly connected with of axis of rotation can with the take turns torsional spring that resets and bilateral symmetry.
Preferably, the anti-falling mechanism comprises pressure springs which are fixedly connected between one side wall of the pressure cavity far away from the center of the anti-falling cavity and one side end face of the pressure connecting block far away from the center of the anti-falling cavity in an up-and-down symmetrical manner, a power cavity with an opening towards one side of the center of the anti-falling cavity is arranged in the pressure connecting block, a power piston cavity is communicated and arranged at the lower side of the power cavity, a communication hole is communicated and arranged at the lower wall of the power piston cavity, an enclasping block is connected to the end face of one side of the pressure connecting block close to the center of the anti-falling cavity in an up-and-down sliding manner, a power push plate extending outwards into the power cavity is fixedly connected to one side end face of the enclasping block in a sliding manner, a connecting rod is fixedly connected to, and a pressure valve is arranged in the pressure valve pipeline.
Preferably, the chucking mechanism include fixed block chamber upper wall intercommunication be equipped with the feed liquor hole of intercommunicating pore downside intercommunication, fixed block chamber horizontal sliding connection has the chucking piston, the chucking piston is close to a side end face fixedly connected with secondary at anti-drop chamber center is embraced tight piece, be equipped with the opening in the secondary is embraced tight piece chamber to anti-drop chamber center one side, chucking piece chamber horizontal sliding connection has the chucking piece, controls the chucking piece is close to four chucking heads of the equal fixedly connected with of a side end face at anti-drop chamber center, be equipped with the chucking through-hole that link up about in the chucking piston, the chucking piece chamber is kept away from one side intercommunication at anti-drop chamber center be equipped with the chucking piece inlet port of chucking through-hole intercommunication.
The invention has the beneficial effects that: according to the invention, the placing of goods is sensed through the spring placing plate, the goods are placed, the pressing blocks on the left side and the right side are pushed through the hydraulic piston cylinder to tightly hold the hanging rope so as to prevent the hanging rope from falling off and the like, then the front side and the rear side of the hanging rope are tightly held respectively, and the broken hanging rope can be tightly clamped through the clamping heads when the hanging rope is accidentally broken, so that the goods are prevented from directly falling off, and the safety is improved.
Drawings
In order to more clearly illustrate the embodiments of the 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 invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is an enlarged structural diagram of B in fig. 2.
Fig. 4 is an enlarged schematic view of C in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a lifting hook capable of emergently holding when goods fall, which comprises a lifting hook 11, wherein a placing cavity 13 with an upward opening is arranged in the lifting hook 11, a placing plate 12 is connected with the placing cavity 13 in a vertical sliding manner, a main liquid cavity 18 is communicated with the lower wall of the placing cavity 13, a return spring cavity 16 positioned on the left side of the main liquid cavity 18 is communicated with the lower wall of the placing cavity 13, a return spring 14 is fixedly connected between the lower wall of the return spring cavity 16 and the lower end face of the placing plate 12, a main connecting block 15 positioned on the right side of the return spring 14 is fixedly connected with the lower end face of the placing plate 12, a main piston plate 17 slidably connected with the main liquid cavity 18 is fixedly connected with the lower end face of the main connecting block 15, symmetrical tightly holding piston cavities 26 with upward openings and positioned on the left side and the right side of the placing cavity 13 are arranged in the lifting hook 11, and the bottom ends of the left and right walls of the main liquid cavity 18 are communicated Pipeline 19, it has sliding block 29 to hold piston chamber 26 sliding connection tightly, be equipped with the opening upwards in sliding block 29 and the opening to place the guide sliding chamber 34 of board 12 one side, it is equipped with the mechanism 101 of holding tightly that upwards extends to the hoisting hook 11 upside tightly to hold in the piston chamber 26 tightly, and about the intercommunication pipeline 19 lower wall all communicates and is equipped with pressure valve pipeline 20, main liquid chamber 18 downside is equipped with the anti-falling chamber 22 that the opening is downward and symmetry around, anti-falling chamber 22 left and right wall intercommunication is equipped with symmetrical lower side piston chamber 21, lower side piston chamber 21 up end and pressure valve pipeline 20 bottom intercommunication, lower side piston chamber 21 side sliding connection has lower side piston 23, a side terminal surface fixed connection that lower side piston 23 is close to anti-falling chamber 22 is inwards extended to the lower side connecting block 24 in anti-falling chamber 22, lower side connecting block 24 is close to a side terminal surface fixed connection pressure piece 25 at anti-falling chamber 22 center, the anti-falling device is characterized in that a pressure cavity 43 with an opening towards one side of the center of the anti-falling cavity 22 is arranged in the pressure block 25, the pressure cavity 43 is connected with a pressure connecting block 45 in a left-right sliding mode, an anti-falling mechanism 102 is arranged in the pressure block 25, a fixing block 54 is fixedly connected to the lower end face of the pressure connecting block 45, a fixing block cavity 55 with an opening towards one side of the center of the anti-falling cavity 22 is arranged in the fixing block 54, and a clamping mechanism 103 is arranged in the.
Beneficially, the clasping mechanism 101 includes a compressing connecting block 36 slidably connected to a lower wall of the sliding guide cavity 34, the compressing connecting block 36 is far away from a side end face of the placing plate 12 and a side wall of the sliding guide cavity 34 far away from the placing plate 12, a tension reset spring 35 is fixedly connected between the side walls, the upper end face of the compressing connecting block 36 is fixedly connected to an articulated block 33, the upper end face of the articulated block 33 is fixedly connected to a compressing block 32, the left side is fixedly connected to a magnetic block 31 on the upper end face of the compressing block 32, the right side is fixedly connected to a magnet 30 corresponding to the magnetic block 31 on the upper end face of the compressing block 32, the clasping piston cavity 26 is slidably connected to a clasping piston 27 located on the lower side of the sliding block 29, and the upper end face of the clasping piston 27 is fixedly connected to a clasp.
Advantageously, a pair of supporting frames 37 is fixedly connected to the upper side of the outer circular surface of the lifting hook 11 and located on the left and right sides of the placing plate 12, a rotating shaft 39 is rotatably connected between the left and right pairs of supporting frames 37, a winding wheel 40 is fixedly connected to the outer circular surface of the rotating shaft 39, a fixing rope 41 fixedly connected to one side end surface of the pressing connecting block 36 close to the placing plate 12 is wound on the outer circular surface of the winding wheel 40, and a torsion spring 38 capable of restoring and bilaterally symmetrical the winding wheel 40 is fixedly connected to the outer circular surface of the rotating shaft 39.
Beneficially, the anti-falling mechanism 102 includes vertically symmetrical pressure springs 44 fixedly connected between a side wall of the pressure chamber 43 far away from the center of the anti-falling chamber 22 and a side end face of the pressure connecting block 45 far away from the center of the anti-falling chamber 22, a power chamber 48 with an opening towards one side of the center of the anti-falling chamber 22 is arranged in the pressure connecting block 45, a power piston chamber 49 is arranged on the lower side of the power chamber 48 in a communicating manner, a communicating hole 52 is arranged on the lower wall of the power piston chamber 49 in a communicating manner, a clasping block 46 is vertically and slidably connected to the side end face of the pressure connecting block 45 close to the center of the anti-falling chamber 22, a power push plate 47 extending outwards into the power chamber 48 is fixedly connected to one side end face of the clasping block 46 and the pressure connecting block 45 in a sliding manner, a connecting rod 50 is fixedly connected to the lower end face of the power push plate 47, a, a pressure valve 63 is arranged in the pressure valve pipeline 20.
Beneficially, chucking mechanism 103 include fixed block chamber 55 upper wall intercommunication be equipped with the feed liquor hole 53 of intercommunicating pore 52 downside intercommunication, fixed block chamber 55 horizontal sliding connection has chucking piston 56, chucking piston 56 is close to a side end face fixedly connected with secondary of anti-falling chamber 22 center is embraced tight piece 58, be equipped with the opening in the secondary is embraced tight piece 58 to the chucking piece chamber 60 of anti-falling chamber 22 center one side, chucking piece chamber 60 horizontal sliding connection has chucking piece 61, controls chucking piece 61 is close to the equal fixedly connected with of a side end face at anti-falling chamber 22 center has four chucking heads 62, be equipped with in the chucking piston 56 and control through-hole 57 that link up, chucking piece chamber 60 keeps away from one side intercommunication at anti-falling chamber 22 center be equipped with the chucking piece inlet port 59 that chucking through-hole 57 communicates.
The use steps herein are described in detail below in conjunction with fig. 1-4: in the initial state: the return spring 14, the pressure spring 44, the tension return spring 35 and the torsion spring 38 are in a relaxed state.
When the working process is carried out, the hanging rope of the goods is placed on the upper end surface of the placing plate 12, the two sides of the hanging rope penetrate through the front and back anti-falling cavities 22, the placing plate 12 is driven by the weight of the goods to slide downwards to be in contact with the lower wall of the placing cavity 13 by overcoming the thrust of the return spring 14, the main connecting block 15 is driven to move downwards by the downward sliding of the placing plate 12, so that the main piston plate 17 is driven to slide downwards, the hydraulic oil in the main liquid cavity 18 is extruded to flow into the communicating pipelines 19 at the left and right sides, the hydraulic oil is difficult to overcome the pressure of the pressure valve 63, so that the hydraulic oil flows into the enclasping piston cavity 26 through the communicating pipelines 19, the enclasping piston 27 is driven to push towards the outer side of the enclasping piston cavity 26, the sliding block 29 is driven to push outwards by the connection of the enclasping connecting block 28, the compressing block 32 is, magnet 30 can adsorb the magnetic path 31 thereby will hang the rope and hold tightly placing board 12 up end, thereby through the upward movement drive of sliding block 29 compress tightly connecting block 36 upward movement to connecting band through fixed rope 41 is moved winding wheel 40 and is rotated and tighten torsional spring 38, can further hang the rope and hold tightly through the torsional spring power of torsional spring 38 after magnet 30 and the laminating of magnetic path 31.
When the sliding block 29 is pushed out to the limit position, the pressure of the hydraulic oil rushing out the pressure valve 63 rushes downwards into the lower piston cavity 21, so as to drive the lower piston 23 to slide towards one side of the anti-falling cavity 22, so as to move through the connecting dynamic pressure block 25 connected with the lower connecting block 24, at this time, the holding block 46 is contacted with the hanging rope and clamps the hanging rope through the movement of the pressure block 25 and the thrust of the pressure spring 44, when the hanging rope is broken, the hanging rope slides downwards rapidly due to the weight, at this time, the friction force between the hanging rope and the holding block 46 rapidly drives the holding block 46 to slide downwards, so as to drive the dynamic push plate 47 to rapidly push the dynamic piston 51 downwards to slide downwards and press the hydraulic oil in the dynamic piston cavity 49 downwards, the hydraulic oil in the dynamic piston cavity 49 rapidly rushes into the fixed block cavity 55 through the communication between the communication hole 52 and the liquid inlet 53 and pushes the clamping piston 56 to slide, thereby it embraces the piece 58 and tightly to hanging thereby the rope removes to hanging the rope rapidly and will hang the further armful of tightly through the slip of chucking piston 56, thereby it promotes the chucking piece 61 and slides to hanging rope one side to rush into chucking piece chamber 60 rapidly through the intercommunication of chucking through-hole 57 with chucking piece inlet port 59 when hanging the rope and being held the back hydraulic oil tightly, thereby it hangs in the rope to go into through chucking head 62 card through the slip of chucking piece 61, thereby firm will hang the rope and hug closely and block.
The invention has the beneficial effects that: according to the invention, the placing of goods is sensed through the spring placing plate, the goods are placed, the pressing blocks on the left side and the right side are pushed through the hydraulic piston cylinder to tightly hold the hanging rope so as to prevent the hanging rope from falling off and the like, then the front side and the rear side of the hanging rope are tightly held respectively, and the broken hanging rope can be tightly clamped through the clamping heads when the hanging rope is accidentally broken, so that the goods are prevented from directly falling off, and the safety is improved.
The above embodiments are merely illustrative of the technical ideas 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 not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a lifting hook that can promptly hold tightly when goods drop, includes lifting hook, its characterized in that: the lifting hook is internally provided with a placing cavity with an upward opening, the placing cavity is vertically and slidably connected with a placing plate, the lower wall of the placing cavity is communicated with a main liquid cavity, the lower wall of the placing cavity is communicated with a reset spring cavity positioned at the left side of the main liquid cavity, a reset spring is fixedly connected between the lower wall of the reset spring cavity and the lower end surface of the placing plate, the lower end surface of the placing plate is fixedly connected with a main connecting block positioned at the right side of the reset spring, the lower end surface of the main connecting block is fixedly connected with a main piston plate slidably connected with the main liquid cavity, the lifting hook is internally provided with symmetrical enclasping piston cavities with upward openings and positioned at the left and right sides of the placing cavity, the bottom ends of the left and right walls of the main liquid cavity are communicated with communicating pipelines respectively extending towards the left and right sides and communicated with the enclasping piston cavity, the enclasping piston cavity is slidably, the inner side of the tightly holding piston cavity is provided with a tightly holding mechanism which extends upwards to the upper side of the lifting hook, the lower walls of the left and the right communicating pipelines are communicated with a pressure valve pipeline, the lower side of the main liquid cavity is provided with an anti-falling cavity with a downward opening and symmetrical front and back, the left and the right walls of the anti-falling cavity are communicated with a symmetrical lower piston cavity, the upper end surface of the lower piston cavity is communicated with the bottom end of the pressure valve pipeline, the lower piston cavity is connected with a lower piston in a left and right sliding way, one side end surface of the lower piston close to the anti-falling cavity is fixedly connected with a lower connecting block which extends inwards into the anti-falling cavity, one side end surface of the lower connecting block close to the center of the anti-falling cavity is fixedly connected with a pressure block, the pressure block is internally provided with a pressure cavity with an opening towards one side of the center of, the pressure connecting block lower end face is fixedly connected with a fixing block, a fixing block cavity with an opening towards one side of the center of the anti-falling cavity is formed in the fixing block, and a clamping mechanism is arranged in the fixing block.
2. A lifting hook capable of emergency hold when dropped as claimed in claim 1, wherein: hold tight mechanism include with lead smooth chamber lower wall sliding connection's the connecting block that compresses tightly, it keeps away from to compress tightly the connecting block place a side end face of board with lead smooth chamber and keep away from fixedly connected with pulling force reset spring between a lateral wall of placing the board, compress tightly the articulated piece of connecting block up end fixedly connected with, articulated piece up end fixedly connected with compact heap, left side compact heap up end fixedly connected with magnetic path, right side compact heap up end fixedly connected with the magnet that the magnetic path corresponds, it is located to hold tight piston chamber sliding connection the piston of holding of sliding block downside, hold tight piston up end with fixedly connected with holds tight the connecting block under the sliding block between the terminal surface.
3. A lifting hook capable of emergency hold when dropped as claimed in claim 2, wherein: the outer disc upside of jack-up hook just is located place a pair of support frame of the equal fixedly connected with in the board left and right sides, control two pairs rotate between the support frame and be connected with the axis of rotation, the outer disc fixedly connected with of axis of rotation coiling wheel, the outer disc winding of coiling wheel have with it is close to compress tightly the connecting block place a side end fixed connection's of board fixed rope, the outer disc fixedly connected with of axis of rotation can with the coiling wheel resets and bilateral symmetry's torsional spring.
4. A lifting hook capable of emergency hold when dropped as claimed in claim 1, wherein: the anti-falling mechanism comprises pressure springs which are vertically symmetrical and fixedly connected between one side wall of the pressure cavity far away from the center of the anti-falling cavity and one side end face of the pressure connecting block far away from the center of the anti-falling cavity, a power cavity with an opening towards one side of the center of the anti-falling cavity is arranged in the pressure connecting block, a power piston cavity is communicated and arranged at the lower side of the power cavity, the lower wall of the power piston cavity is communicated with a communicating hole, the end surface of one side of the pressure connecting block close to the center of the anti-falling cavity is connected with an enclasping block in a vertical sliding way, the end surface of one side of the clamping block, which is connected with the pressure connecting block in a sliding way, is fixedly connected with a power push plate which extends outwards into the power cavity, the end face fixedly connected with connecting rod under the power push pedal, the end face fixedly connected with under the connecting rod with power piston chamber sliding connection's power piston, be equipped with the pressure valve in the pressure valve pipeline.
5. A lifting hook capable of emergency hold when dropped as claimed in claim 1, wherein: the chucking mechanism include fixed block chamber upper wall intercommunication be equipped with the feed liquor hole of intercommunicating pore downside intercommunication, fixed block chamber horizontal sliding connection has the chucking piston, the chucking piston is close to a side end face fixedly connected with secondary at anti-falling chamber center is embraced tight piece, be equipped with the opening in the secondary is embraced tight piece chamber to the chucking piece chamber of anti-falling chamber center one side, chucking piece chamber horizontal sliding connection has the chucking piece, controls the chucking piece is close to four chucking heads of the equal fixedly connected with of a side end face at anti-falling chamber center, be equipped with the chucking through-hole that link up about controlling in the chucking piston, the chucking piece chamber is kept away from one side intercommunication at anti-falling chamber center be equipped with the chucking piece inlet port of chucking through-hole intercommunication.
CN202011153396.5A 2020-10-26 2020-10-26 Lifting hook capable of being held tightly in emergency when goods fall Withdrawn CN112225068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011153396.5A CN112225068A (en) 2020-10-26 2020-10-26 Lifting hook capable of being held tightly in emergency when goods fall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011153396.5A CN112225068A (en) 2020-10-26 2020-10-26 Lifting hook capable of being held tightly in emergency when goods fall

Publications (1)

Publication Number Publication Date
CN112225068A true CN112225068A (en) 2021-01-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011153396.5A Withdrawn CN112225068A (en) 2020-10-26 2020-10-26 Lifting hook capable of being held tightly in emergency when goods fall

Country Status (1)

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CN (1) CN112225068A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113911903A (en) * 2021-10-09 2022-01-11 温州佰特索具有限公司 Combined metal inhaul cable rigging

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113911903A (en) * 2021-10-09 2022-01-11 温州佰特索具有限公司 Combined metal inhaul cable rigging
CN113911903B (en) * 2021-10-09 2022-09-23 温州佰特索具有限公司 Combined metal inhaul cable rigging

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