CN112193996B - Anti-slip clamping ring for tower crane lifting hook - Google Patents

Anti-slip clamping ring for tower crane lifting hook Download PDF

Info

Publication number
CN112193996B
CN112193996B CN202011244763.2A CN202011244763A CN112193996B CN 112193996 B CN112193996 B CN 112193996B CN 202011244763 A CN202011244763 A CN 202011244763A CN 112193996 B CN112193996 B CN 112193996B
Authority
CN
China
Prior art keywords
lifting hook
fixedly connected
main body
block
tower crane
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.)
Active
Application number
CN202011244763.2A
Other languages
Chinese (zh)
Other versions
CN112193996A (en
Inventor
张力
李伟
周游
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.)
Changde Rongcheng Machinery Co ltd
Original Assignee
Changde Rongcheng Machinery 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 Changde Rongcheng Machinery Co ltd filed Critical Changde Rongcheng Machinery Co ltd
Priority to CN202011244763.2A priority Critical patent/CN112193996B/en
Publication of CN112193996A publication Critical patent/CN112193996A/en
Application granted granted Critical
Publication of CN112193996B publication Critical patent/CN112193996B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention discloses a tower crane lifting hook anti-slip snap ring, which comprises a device main body, wherein the device main body comprises a tower crane main body and a connecting block, the bottom end of the tower crane main body is connected with the connecting block through a lifting rope, the inside of the connecting block is rotationally connected with a connecting rod, the bottom end of the connecting rod is fixedly connected with a lifting hook main body, the top end of the lifting hook main body is rotationally connected with a lock catch, the bottom end of the lifting hook main body is provided with a limiting mechanism, a reset mechanism is arranged between the lifting hook main body and a coil spring shell, the top end of the inner wall of the lifting hook main body is fixedly connected with a fixing mechanism, and both sides of the connecting rod are fixedly connected with damping mechanisms. The invention can effectively limit and fix the rope in the use process and has good damping function.

Description

Anti-slip clamping ring for tower crane lifting hook
Technical Field
The invention relates to the technical field of tower crane hoisting, in particular to an anti-slip clamping ring of a tower crane lifting hook.
Background
In the process of building high-rise buildings, building materials are required to be transported to a required position by using a tower crane, firstly, the materials are required to be bundled by adopting a wire rope or a hemp rope, and then, the rope is hung to a tower crane lifting hook. But current tower crane lifting hook is in the use, is colluded the rope on the lifting hook, and the tower crane can utilize the lifting hook to take the material to carry out sideslip and rise at the in-process of transportation material to rise and the process of sideslip is often established to overlap and is gone on, leads to the rope to take place to remove on the lifting hook, thereby makes the friction between rope and the lifting hook that removes, and the friction can reduce the live time of rope, still probably leads to the rope to loosen, thereby causes certain potential safety hazard. And the tower crane is in the in-process of transporting the material, and the material can take place the swing in the sky, and the in-process of swing can further pull the lifting hook, and long-time use can lead to the lifting hook to damage, therefore need a tower crane lifting hook anti-skidding snap ring to solve above-mentioned problem.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an anti-slip clamping ring for a tower crane lifting hook.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a tower crane lifting hook anti-skidding snap ring, includes the device main part, the device main part includes tower crane main part and connecting block, the bottom of tower crane main part is connected with the connecting block through the lifting rope, and the inside rotation of connecting block is connected with the connecting rod, the bottom fixedly connected with lifting hook main part of connecting rod, and the top rotation of lifting hook main part is connected with the hasp, the bottom of lifting hook main part is provided with stop gear, and is provided with canceling release mechanical system between lifting hook main part and the coil spring shell, the inner wall top fixedly connected with fixed establishment of lifting hook main part, all fixedly connected with damper in both sides of connecting rod.
Preferably, the stop gear includes knob, transfer line, first conical gear, second conical gear, double-thread lead screw, movable block, fixture block and grip block, the bottom middle part rotation of lifting hook main part is connected with the transfer line, and the one end fixedly connected with knob that the lifting hook main part was kept away from to the transfer line, the transfer line extends to the inside one end fixedly connected with first conical gear of lifting hook main part, and one side meshing of first conical gear and second conical gear, the middle part at double-thread lead screw is established to the second conical gear cover, and the both ends of double-thread lead screw all rotate with the inner wall of lifting hook main part to be connected, double-thread lead screw threaded connection has two sets of movable blocks, and the movable block all with fixture block fixed connection, two sets of fixture block and lifting hook main part sliding connection, two sets of the top of movable block all fixedly connected with grip block, two sets of the grip block symmetry sets up.
Preferably, the reset mechanism comprises a coil spring shell, a fixing pin, a coil spring main body and a fixing shaft, wherein the top end of the lock catch is fixedly connected with the coil spring shell, the fixing pin is inlaid in the inner wall of the coil spring shell, the fixing pin is fixedly connected with the coil spring main body, the inside of the coil spring main body is inlaid in the inside of the fixing shaft, and the fixing shaft is fixedly connected with the top end of the lifting hook main body.
Preferably, the fixed establishment includes articulated pole, sleeve, telescopic link, fixed jaw and reset spring, the inner wall top and the telescopic top fixed connection of lifting hook main part, and the sleeve cover is established in the outside of telescopic link, the bottom fixedly connected with fixed jaw of telescopic link, and the top fixedly connected with reset spring of telescopic link, reset spring's top and telescopic inner wall top fixed connection, the surface rotation of telescopic link is connected with articulated pole, and the top and the hasp rotation of articulated pole are connected.
Preferably, the damping mechanism comprises a first rotating shaft seat, a damping rod, a second rotating shaft seat, a sliding block, a sliding groove and a damping spring, wherein the first rotating shaft seat is fixedly connected to two sides of the top end of the connecting rod, the damping rod is rotatably connected to one end of the first rotating shaft seat far away from the connecting rod, the two groups of damping rods are rotatably connected to the second rotating shaft seat, the one end of the second rotating shaft seat far away from the connecting rod is fixedly connected with the sliding block, the two groups of sliding blocks are slidably connected with the sliding groove, the sliding groove is formed in the inner wall of the connecting block, the two groups of sliding blocks are fixedly connected to the top end of the damping spring, and the bottom end of the damping spring is fixedly connected to the bottom end of the sliding groove.
Preferably, the bottom ends of the two groups of clamping blocks are in sliding connection with the bottom end of the lifting hook main body, and the bottom ends of the clamping blocks are embedded with balls.
Preferably, two groups of clamping blocks are connected and arranged in an arc shape on one side close to each other, and rubber sheets are glued on one side of the clamping blocks close to the middle of the bottom end of the lifting hook main body.
Preferably, the guiding groove is fixedly connected with the bottom end of the inner wall of the sleeve, the guiding groove is in sliding connection with the guiding block, and the guiding block is arranged at the top ends of two sides of the telescopic rod.
Compared with the prior art, the invention has the beneficial effects that: when the rope is needed to be hung on the device, the lock catch is firstly opened, then the rope is hung in the lifting hook main body, then the knob is rotated, the knob can drive the clamping blocks to move when rotating, and the rope can be limited by utilizing the two groups of clamping blocks; the device is also provided with a coil spring shell and a sleeve, and in the process of opening the lock catch, the lock catch drives the telescopic rod to move upwards through the hinging rod so as to hang the rope into the lifting hook main body; after rope clamping is finished, the lock catch is released, the lock catch resets under the action of the coil spring shell, the fixing pin, the coil spring main body and the fixing shaft, and the lock catch pushes the telescopic rod to move downwards through the hinging rod, so that the rope is pressed between the two groups of clamping blocks, the rope can be fixed in the lifting hook main body and cannot move easily, through the design, the practicability and the practicability of the device are improved, and the good linkage of the device is embodied.
This tower crane lifting hook anti-skidding snap ring is provided with first pivot seat, at the in-process of device hoist and mount transportation material, if the material appears rocking, with connecting block rotation connection's connecting rod swing thereupon, when the swing of connecting rod, the connecting rod passes through the bradyseism pole and drives two sets of sliders and remove for two sets of damping spring take place deformation, play absorbing effect to the device, improved the practicality of device.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present invention;
FIG. 2 is a schematic elevation view of a partial structure of the present invention;
FIG. 3 is a schematic elevation view in cross-section of a partial structure of the present invention;
FIG. 4 is a schematic view in bottom cross-section of a partial structure of the present invention;
FIG. 5 is a partial structural elevational cross-sectional schematic view of the coil spring housing of the present invention;
FIG. 6 is a partial structural elevational cross-sectional schematic of the sleeve of the present invention;
fig. 7 is a schematic front view in section of a partial structure of the connecting block, connecting rod and first rotating shaft base of the present invention.
In the figure: 100. a device body; 110. a tower crane main body; 120. a connecting block; 121. a connecting rod; 210. a hook body; 211. locking; 212. a hinge rod; 220. a knob; 221. a transmission rod; 222. a first bevel gear; 223. a second bevel gear; 224. a double-thread screw rod; 225. a moving block; 226. a clamping block; 227. a clamping block; 310. a coil spring housing; 311. a fixing pin; 312. a coil spring main body; 313. a fixed shaft; 320. a sleeve; 321. a telescopic rod; 322. a fixed claw; 323. a return spring; 324. a guide block; 325. a guide groove; 410. a first rotating shaft seat; 411. a shock-absorbing rod; 412. a second rotating shaft seat; 413. a slide block; 414. a chute; 415. and a damping spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, an embodiment of the present invention is provided:
the utility model provides a tower crane lifting hook anti-skidding snap ring, including device main part 100, device main part 100 includes tower crane main part 110 and connecting block 120, the bottom of tower crane main part 110 is connected with connecting block 120 through the lifting rope, and the inside rotation of connecting block 120 is connected with connecting rod 121, the bottom fixedly connected with lifting hook main part 210 of connecting rod 121, and the top of lifting hook main part 210 rotates and is connected with hasp 211, the bottom of lifting hook main part 210 is provided with stop gear, and be provided with canceling release mechanical system between lifting hook main part 210 and coil spring shell 310, the inner wall top fixedly connected with fixed establishment of lifting hook main part 210, the both sides of connecting rod 121 all fixedly connected with damper, through such design, hang the rope in the device inside by spacing, the effectual slippage that prevents the rope, the security of device has been improved, and damper can effectually prolong the life of device, the security and the practicality of device have been improved.
The limiting mechanism comprises a knob 220, a transmission rod 221, a first conical gear 222, a second conical gear 223, a double-thread screw 224, a moving block 225, a clamping block 226 and a clamping block 227, wherein the transmission rod 221 is rotationally connected to the middle of the bottom end of the lifting hook main body 210, one end of the transmission rod 221, which is far away from the lifting hook main body 210, is fixedly connected with the knob 220, one end of the transmission rod 221, which extends to the inside of the lifting hook main body 210, is fixedly connected with the first conical gear 222, one sides of the first conical gear 222 and one side of the second conical gear 223 are meshed, the second conical gear 223 is sleeved on the middle of the double-thread screw 224, two ends of the double-thread screw 224 are rotationally connected with the inner wall of the lifting hook main body 210, the double-thread screw 224 is in threaded connection with two groups of moving blocks 225, the moving blocks 225 are fixedly connected with the clamping block 226, the top ends of the two groups of the moving blocks 225 are fixedly connected with the clamping block 227, and the two groups of the clamping blocks 227 are symmetrically arranged, and through the design, the device can limit a rope in a clamping mode in the process of use, and the practicality of the device is improved.
The reset mechanism comprises a coil spring shell 310, a fixing pin 311, a coil spring main body 312 and a fixing shaft 313, the top end of the lock catch 211 is fixedly connected with the coil spring shell 310, the fixing pin 311 is inlaid in the inner wall of the coil spring shell 310, the fixing pin 311 is fixedly connected with the coil spring main body 312, the fixing shaft 313 is embedded in the coil spring main body 312, the fixing shaft 313 is fixedly connected with the top end of the lifting hook main body 210, through the design, the coil spring main body 312 drives the lock catch 211 and the lifting hook main body 210 to be combined more tightly through the fixing pin 311 and the coil spring shell 310, the lock catch 211 is effectively prevented from being easily opened, and the practicability of the device is improved.
The fixed establishment includes articulated pole 212, sleeve 320, telescopic link 321, fixed pawl 322 and reset spring 323, the top fixed connection of the inner wall top of lifting hook main part 210 and sleeve 320, and sleeve 320 cover is established in the outside of telescopic link 321, the bottom fixedly connected with fixed pawl 322 of telescopic link 321, and the top fixedly connected with reset spring 323 of telescopic link 321, the top of reset spring 323 and the inner wall top fixed connection of sleeve 320, the surface rotation of telescopic link 321 is connected with articulated pole 212, and the top of articulated pole 212 and hasp 211 rotate and connect, through such design, hasp 211 can drive telescopic link 321 through articulated pole 212 at the in-process of opening upwards, hasp 211 is driven down fixed with the rope at the in-process that closes, the convenience and the practicality of device have been improved, and the better linkage of device has been reached.
The damping mechanism comprises a first rotating shaft seat 410, a damping rod 411, a second rotating shaft seat 412, a sliding block 413, a sliding groove 414 and a damping spring 415, wherein the first rotating shaft seat 410 is fixedly connected to the two sides of the top end of the connecting rod 121, the damping rod 411 is rotatably connected to one end of the first rotating shaft seat 410 far away from the connecting rod 121, the tops of the two groups of damping rods 411 are rotatably connected with the second rotating shaft seat 412, one end of the second rotating shaft seat 412 far away from the connecting rod 121 is fixedly connected with the sliding block 413, the two groups of sliding blocks 413 are slidably connected with the sliding groove 414, the sliding groove 414 is formed in the inner wall of the connecting block 120, the bottoms of the two groups of sliding blocks 413 are fixedly connected with the top end of the damping spring 415, and the bottom end of the damping spring 415 is fixedly connected with the bottom end of the sliding groove 414.
The bottom of two sets of fixture blocks 226 all with the bottom sliding connection of lifting hook main part 210, and the bottom of fixture block 226 all is inlayed and is had the ball, through such design, has increased the stability of fixture block 226 in-process of moving to the frictional force that the fixture block 226 in-process received has been reduced, the practicality of device has been improved.
One side that two sets of grip blocks 227 are close to each other connects and sets up to convex, and the grip block 227 is close to the one side at lifting hook main part 210 bottom middle part all glued with rubber, through such design, is convenient for two sets of grip blocks 227 to the spacing of rope, has increased the frictional force between grip block 227 and the rope, has improved the practicality of device.
The inner wall bottom fixedly connected with guide way 325 of sleeve 320, and guide way 325 and guide block 324 sliding connection, guide block 324 are offered on telescopic link 321's both sides top for telescopic link 321 is more stable at the in-process that removes through such design, the effectual card of avoiding the device is blocked, has improved the stability of device.
Working principle: in the use process of the device, firstly, the lock catch 211 is opened, in the process of opening the lock catch 211, the lock catch 211 drives the telescopic rod 321 to move upwards through the cooperation of the hinge rod 212, then the rope is hooked into the lifting hook main body 210, the rope is placed at the middle position of the bottom end of the lifting hook main body 210, then the knob 220 is rotated, the knob 220 drives the transmission rod 221 and the first bevel gear 222 to rotate, the second bevel gear 223 meshed with the first bevel gear 222 rotates along with the rotation of the knob 220, the second bevel gear 223 rotates and then drives the double-thread screw 224 to rotate, the double-thread screw 224 drives the moving block 225 to move through threads on the surface, the clamping block 227 fixedly connected to the top end of the moving block 225 moves along with the moving block, the rope is clamped, then the lock catch 211 is released, the lock catch 211 is driven by the coil spring shell 310, the fixed pin 311, the coil spring main body 312 and the fixed shaft 313 to reset, the telescopic rod 321 is driven by the hinge rod 212 to move downwards, and the fixed claw 322 fixedly connected to the bottom end of the telescopic rod 321 moves downwards, and the rope is fixed to the bottom end of the inner wall of the lifting hook main body 210.
In the process of transporting materials by the device, when the lifting hook main body 210 is driven by the materials to shake, the lifting hook main body 210 drives a connecting rod 121 which is in specified connection with the top end of the lifting hook main body 210 to shake, the connecting rod 121 drives a first rotating shaft seat 410 to move in the shaking process, the first rotating shaft seat 410 drives a second rotating shaft seat 412 and a sliding block 413 to slide through a damping rod 411 in the moving process, the sliding block 413 drives two groups of damping springs 415 to deform in the sliding process, and the deformed damping springs 415 play a damping role on the device.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive.

Claims (5)

1. The utility model provides a tower crane lifting hook anti-skidding snap ring, includes device main part (100), its characterized in that: the device comprises a device body (100) and a connecting block (120), wherein the bottom end of the device body (110) is connected with the connecting block (120) through a lifting rope, the connecting block (120) is rotationally connected with a connecting rod (121), the bottom end of the connecting rod (121) is fixedly connected with a lifting hook body (210), the top end of the lifting hook body (210) is rotationally connected with a lock catch (211), the bottom end of the lifting hook body (210) is provided with a limiting mechanism, a reset mechanism is arranged between the lifting hook body (210) and a coil spring shell (310), the top end of the inner wall of the lifting hook body (210) is fixedly connected with a fixing mechanism, and two sides of the connecting rod (121) are fixedly connected with damping mechanisms;
the limiting mechanism comprises a knob (220), a transmission rod (221), a first conical gear (222), a second conical gear (223), a double-threaded screw rod (224), a moving block (225), a clamping block (226) and a clamping block (227), wherein the transmission rod (221) is rotationally connected to the middle of the bottom end of the lifting hook main body (210), one end, far away from the lifting hook main body (210), of the transmission rod (221) is fixedly connected with the knob (220), one end, extending to the inside of the lifting hook main body (210), of the transmission rod (221) is fixedly connected with the first conical gear (222), one side of the first conical gear (222) is meshed with one side of the second conical gear (223), the second conical gear (223) is sleeved on the middle of the double-threaded screw rod (224), two ends of the double-threaded screw rod (224) are rotationally connected with the inner wall of the lifting hook main body (210), two groups of moving blocks (225) are fixedly connected with the clamping block (226), two groups of the clamping block (226) are slidingly connected with the lifting hook main body (210), and the two groups of moving blocks (225) are symmetrically clamped by the clamping block (227);
the reset mechanism comprises a coil spring shell (310), a fixed pin (311), a coil spring main body (312) and a fixed shaft (313), wherein the top end of the lock catch (211) is fixedly connected with the coil spring shell (310), the fixed pin (311) is inlaid in the inner wall of the coil spring shell (310), the fixed pin (311) is fixedly connected with the coil spring main body (312), the inside of the coil spring main body (312) is inlaid in the inside of the fixed shaft (313), and the fixed shaft (313) is fixedly connected with the top end of the lifting hook main body (210);
the damping mechanism comprises a first rotating shaft seat (410), a damping rod (411), a second rotating shaft seat (412), sliding blocks (413), sliding grooves (414) and damping springs (415), wherein the first rotating shaft seat (410) is fixedly connected to the two sides of the top end of a connecting rod (121), the damping rod (411) is rotatably connected to one end of the first rotating shaft seat (410) far away from the connecting rod (121), the two groups of the damping rods (411) are rotatably connected with the second rotating shaft seat (412), the one end of the second rotating shaft seat (412) far away from the connecting rod (121) is fixedly connected with the sliding blocks (413), the two groups of the sliding blocks (413) are slidably connected with the sliding grooves (414), the sliding grooves (414) are formed in the inner wall of the connecting block (120), the bottom ends of the two groups of the sliding blocks (413) are fixedly connected with the top ends of the damping springs (415), and the bottom ends of the damping springs (415) are fixedly connected with the bottom ends of the sliding grooves (414).
2. The tower crane hook anti-slip snap ring of claim 1, wherein: the utility model provides a fixed establishment includes articulated pole (212), sleeve (320), telescopic link (321), fixed jaw (322) and reset spring (323), the top fixed connection of inner wall top and sleeve (320) of lifting hook main part (210), and sleeve (320) cover is established in the outside of telescopic link (321), the bottom fixedly connected with fixed jaw (322) of telescopic link (321), and the top fixedly connected with reset spring (323) of telescopic link (321), the top of reset spring (323) and the inner wall top fixed connection of sleeve (320), the surface rotation of telescopic link (321) is connected with articulated pole (212), and the top and the hasp (211) rotation of articulated pole (212) are connected.
3. The tower crane hook anti-slip snap ring of claim 1, wherein: the bottom ends of the two groups of clamping blocks (226) are slidably connected with the bottom end of the lifting hook main body (210), and the bottom ends of the clamping blocks (226) are embedded with balls.
4. The tower crane hook anti-slip snap ring of claim 1, wherein: two groups of clamping blocks (227) are arranged in a circular arc shape at the side close to each other, and rubber sheets are glued on one side of the clamping blocks (227) close to the middle of the bottom end of the lifting hook main body (210).
5. The tower crane hook anti-slip snap ring of claim 2, wherein: the inner wall bottom fixedly connected with guide way (325) of sleeve (320), and guide way (325) and guide block (324) sliding connection, guide block (324) are offered on the both sides top of telescopic link (321).
CN202011244763.2A 2020-11-10 2020-11-10 Anti-slip clamping ring for tower crane lifting hook Active CN112193996B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011244763.2A CN112193996B (en) 2020-11-10 2020-11-10 Anti-slip clamping ring for tower crane lifting hook

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011244763.2A CN112193996B (en) 2020-11-10 2020-11-10 Anti-slip clamping ring for tower crane lifting hook

Publications (2)

Publication Number Publication Date
CN112193996A CN112193996A (en) 2021-01-08
CN112193996B true CN112193996B (en) 2023-09-08

Family

ID=74034126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011244763.2A Active CN112193996B (en) 2020-11-10 2020-11-10 Anti-slip clamping ring for tower crane lifting hook

Country Status (1)

Country Link
CN (1) CN112193996B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201686402U (en) * 2010-03-23 2010-12-29 中建三局建设工程股份有限公司 Anti-slip clamp ring of crane hook
KR20180073235A (en) * 2016-12-22 2018-07-02 한전케이피에스 주식회사 Folding safety ring for crane hook
CN209098031U (en) * 2018-11-09 2019-07-12 长春和胜金属科技有限公司 Suspension hook protection button
CN209835427U (en) * 2019-04-12 2019-12-24 青岛方圆达建设集团有限公司 Tower crane hook body with protector for construction
CN210438277U (en) * 2019-04-17 2020-05-01 中铁建大桥工程局集团第三工程有限公司 High mound owner muscle hoist device of bridge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201686402U (en) * 2010-03-23 2010-12-29 中建三局建设工程股份有限公司 Anti-slip clamp ring of crane hook
KR20180073235A (en) * 2016-12-22 2018-07-02 한전케이피에스 주식회사 Folding safety ring for crane hook
CN209098031U (en) * 2018-11-09 2019-07-12 长春和胜金属科技有限公司 Suspension hook protection button
CN209835427U (en) * 2019-04-12 2019-12-24 青岛方圆达建设集团有限公司 Tower crane hook body with protector for construction
CN210438277U (en) * 2019-04-17 2020-05-01 中铁建大桥工程局集团第三工程有限公司 High mound owner muscle hoist device of bridge

Also Published As

Publication number Publication date
CN112193996A (en) 2021-01-08

Similar Documents

Publication Publication Date Title
CN103986089B (en) Flipping tackle capable of automatically locking
US20160296771A1 (en) High load descender with adaptive release linkage
CN207682404U (en) Gripper
JP4885684B2 (en) Lifting and drying equipment
CN112193996B (en) Anti-slip clamping ring for tower crane lifting hook
CN206872279U (en) A kind of hook drop-proof hook device of New crane machinery suspension hook
JP4002257B2 (en) Passive body engaging bell crank suspension
CN111661478B (en) Cargo hook with synchronous storage function of hook and binding rope and control method thereof
CN108925459A (en) A kind of dog reeling device
KR20080003479U (en) Manhole Cover Lifter
CN105477796B (en) Safety escape device for high-rise building
CN213445901U (en) Small building construction material lifting device
CN106362325B (en) Protector for preventing hurry descent
JPS5848318Y2 (en) gripping device
CN216616732U (en) Quick installation device in anti-cracking coating construction
CN216986095U (en) Automatic braking descent protector with panic prevention function
CN116510199B (en) Connecting device of steel wire rope
CN115708936B (en) Hook structure of safety belt with mechanical double protection
CN111792584A (en) Cliff descending device
CN2136049Y (en) Safety anti-falling device for working high above ground
CN114988316B (en) Hand-operated rotary hoister
CN221216848U (en) High-strength anti-drop hook
CN114229680B (en) Crane for hoisting house building stone
CN220011865U (en) Anti-falling structure of lifting hook of tower crane
CN214087328U (en) Crane hook adjusting device

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
GR01 Patent grant
GR01 Patent grant