CN112456299A - Anti-drop hoisting machinery lifting hook - Google Patents

Anti-drop hoisting machinery lifting hook Download PDF

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Publication number
CN112456299A
CN112456299A CN202011231653.2A CN202011231653A CN112456299A CN 112456299 A CN112456299 A CN 112456299A CN 202011231653 A CN202011231653 A CN 202011231653A CN 112456299 A CN112456299 A CN 112456299A
Authority
CN
China
Prior art keywords
lifting hook
rotating rod
fixedly connected
drop
plate
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Withdrawn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
CN202011231653.2A
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Chinese (zh)
Inventor
孙延
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.)
Shaanxi Mailun Machinery Equipment Co ltd
Original Assignee
Shaanxi Mailun Machinery Equipment 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 Shaanxi Mailun Machinery Equipment Co ltd filed Critical Shaanxi Mailun Machinery Equipment Co ltd
Priority to CN202011231653.2A priority Critical patent/CN112456299A/en
Publication of CN112456299A publication Critical patent/CN112456299A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • 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
    • F16F15/08—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 rubber springs ; with springs made of rubber and metal

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

Abstract

The invention provides an anti-drop hoisting machinery lifting hook, and relates to the technical field of hoisting machinery lifting hooks. According to the invention, when the position of the hook needs to be adjusted, the rotating rod is lifted upwards, because the rotating rod and the pressing plate, the supporting plate and the connecting plate are movably sleeved inside the positions close to the middle, and the bottom of the rotating rod and the hook are fixedly connected, the rotating rod rotates to drive the rotating rod to rotate in different positions of the hook.

Description

Anti-drop hoisting machinery lifting hook
Technical Field
The invention relates to the technical field of lifting hooks of lifting machinery, in particular to an anti-falling lifting hook of lifting machinery.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, which is also called a crown block, a gantry crane, a crane, and a hoisting machine used in bridge construction engineering. Light and small-sized hoisting equipment such as: jacks, pneumatic hoists, electric hoists, balance hoists (also known as balance hoists), winches and the like, and bridge-type hoisting machinery such as beam cranes and the like. Boom-type cranes such as fixed slewing cranes, tower cranes, truck cranes, tyre cranes, crawler cranes, etc.
However, when the lifting hook of the existing hoisting machinery is used, the hung object is shaken greatly, the lifting hook cannot be buffered, the lifting hook cannot be adjusted in different directions, the practicability of the crane lifting hook is reduced, and when the existing crane lifting hook lifts a rope, the rope is not fixed on the lifting hook, so that the rope is easy to fall off, danger is generated, and the requirement of a user is not met.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the lifting hook with the buffer function, and the lifting hook is adjusted in different directions, so that a rope is fixed on the lifting hook and is not easy to fall off, the danger is reduced, and the requirements of users are met.
In order to achieve the purpose, the invention adopts the following technical scheme: anti-drop hoisting machinery lifting hook, including the connecting seat, the both sides fixedly connected with support, two of connecting seat bottom the inside of support is provided with buffer, two the bottom of support is provided with fixing device.
The buffer device comprises a connecting plate, outer wall fixed connection of two sides of the connecting plate is at the inner walls of two supports, the top of two sides of the connecting plate is fixedly connected with a telescopic rod, the top of the telescopic rod is fixedly connected with a supporting plate, the connecting plate is provided with a rotating rod close to the inner movable sleeve of the middle, a pressing plate is embedded on the outer surface of the rotating rod close to the top, the upper surface of two sides of the pressing plate is fixedly connected with a supporting block, the outer surface of the supporting block is provided with a bolt port through the bolt, the inner part of the bolt port is movably connected with a bolt, the top of the rotating rod is fixedly connected with a chuck, the support is provided with a supporting rod close to the inner wall of the middle, the outer surface of the supporting rod is fixedly sleeved with.
Preferably, the fixing device comprises a circular plate, the top of the middle of the circular plate is fixedly connected with the bottom of the rotating rod, and the bottom of the circular plate is fixedly connected with a lifting hook.
Preferably, the fixed cover of surface of lifting hook bottom is equipped with first solid fixed ring, the bottom activity cover of lifting hook is equipped with the solid fixed ring of second.
Preferably, the outer surface of the first fixing ring is movably connected with a fixing buckle through a threaded nail.
Preferably, the inner part of the circular plate close to the middle is provided with a thread groove matched with the rotating rod, and the outer surface of the rotating rod close to the bottom is provided with a thread lug matched with the circular plate.
Preferably, the outer surface of the chuck is provided with a plurality of bayonets matched with the pins.
Compared with the prior art, the invention has the advantages and positive effects that,
1. according to the invention, when the position of the hook needs to be adjusted, the rotating rod is lifted upwards, the rotating rod and the pressing plate, the supporting plate and the connecting plate are movably sleeved inside the positions close to the middle, so that the rotating rod can be adjusted to different positions, the bottom of the rotating rod is fixedly connected with the hook, the rotating rod rotates to drive the hook to rotate in different positions, and when the position is adjusted, the plug pin arranged in the plug pin opening is abutted to the middle of the bayonet of the chuck, so that the lifting hook of the lifting machine can be moved in multiple directions, and the practicability is improved.
2. In the invention, when the object is lifted by the hoisting machine, the rotating rod fixedly installed with the hook is pulled downwards by the generated gravity, so that the chuck fixedly installed at the top of the rotating rod is pulled downwards, the pressing plate is pressed on the upper surface of the rubber spring immediately, the rubber spring generates upward elastic force through extrusion, the lower surface of the rubber spring is pressed on the upper surface of the supporting plate, the friction force between the supporting plate and the inner walls of the two supports is increased due to the fact that the supporting plate is fixedly sleeved with the threaded rubber on the two sides of the supporting plate, the telescopic rod is pressed downwards by the supporting plate, the telescopic rod generates upward elastic force, and therefore, a buffering effect is obtained when the object is lifted by the supporting plate.
3. According to the invention, when a hoisting machine is required to hoist an object, the rope for binding the object is hung at the bottom of the lifting hook, the first fixing ring is fixedly sleeved on the outer wall of the lifting hook, the fixing buckle is movably arranged on the outer wall of the first fixing ring, the direction of the fixing buckle is adjusted, so that the rope can be hung between the first fixing ring and the second fixing ring, the fixing buckle is reset at the moment, the second fixing ring is sleeved with the fixing buckle because the second fixing ring is movably sleeved on the outer wall of the lifting hook, and the rope between the first fixing ring and the second fixing ring is clamped tightly, so that the effect that the rope is not easy to fall off can be obtained, and the safety of a user.
Drawings
FIG. 1 is a schematic view of a front structure of an anti-drop lifting hook of a hoisting machine according to the present invention;
FIG. 2 is a schematic side view of the anti-drop lifting hook of the lifting machine according to the present invention;
fig. 3 is a schematic top view of a hook portion of the anti-falling hoisting machine according to the present invention.
Fig. 4 is an enlarged schematic view of the anti-dropping hoisting machinery lifting hook provided by the invention at a position A in fig. 1.
Illustration of the drawings:
1. a connecting seat; 2. a support; 3. a buffer device; 301. a bolt; 302. pressing a plate; 303. a support bar; 304. a rubber spring; 305. a support plate; 306. a rotating rod; 307. a chuck; 308. a support block; 309. thread rubber; 310. a telescopic rod; 311. a connecting plate; 312. a bolt port; 4. a fixing device; 401. a circular plate; 402. a hook; 403. a fixing buckle; 404. a second retaining ring; 405. a first retaining ring.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1, as shown in fig. 1-3, the present invention provides: both sides fixedly connected with support 2 of connecting seat 1 bottom, the inside of two supports 2 is provided with buffer 3, and the bottom of two supports is provided with fixing device 4.
The particular arrangement and function of the damping device 3 and the fastening device 4 will be described in detail below.
As shown in fig. 1 and fig. 2, the buffer device 3 includes a connecting plate 311, outer walls of two sides of the connecting plate 311 are fixedly connected to inner walls of two supports 2, top portions of two sides of the connecting plate 311 are fixedly connected with telescopic rods 310, top portions of the two telescopic rods 310 are fixedly connected with a supporting plate 305, an inner portion of the connecting plate 311 near the middle is movably sleeved with a rotating rod 306, a pressing plate 302 is movably embedded on an outer surface of the rotating rod 306 near the top portion, upper surfaces of two sides of the pressing plate 302 are fixedly connected with supporting blocks 308, outer surfaces of the two supporting blocks 308 are respectively and movably connected with a bolt 301 through a bolt opening 312, a top portion of the rotating rod 306 is fixedly connected with a chuck 307, inner walls of the two supports 2 near the middle are respectively and fixedly connected with supporting rods 303, outer surfaces of the two supporting rods 303 are respectively and, the outer surface of the chuck 307 has a plurality of bayonet openings that mate with the pins 301.
The whole buffer device 3 achieves the effect that when the hook needs to be adjusted, the rotating rod 306 is lifted upwards, because the rotating rod 306 and the pressing plate 302, the supporting plate 305 and the inner part of the connecting plate 311 near the middle are movably sleeved, the rotating rod 306 can be adjusted to different directions, the bottom of the rotating rod 306 is fixedly connected with the hook, so that the rotating rod 306 rotates to drive the hook to rotate in different directions, when the direction is adjusted, the bolt 301 arranged in the bolt opening 312 is abutted to the middle of the bayonet of the chuck 307, when the object is lifted by the lifting machine, the generated gravity pulls the rotating rod 306 fixedly arranged with the hook downwards, so that the chuck 307 fixedly arranged at the top of the rotating rod 306 is pulled downwards, the pressing plate 302 is pressed on the upper surface of the rubber spring 304, the rubber spring 304 generates upward elastic force through extrusion, the lower surface of the rubber spring 304 is pressed on the upper surface of the supporting plate 305, because the fixed cover is established at backup pad 305 both sides screw thread rubber 309 for the frictional force between backup pad 305 and two support 2 inner walls increases, and backup pad 305 pushes down telescopic link 310, and telescopic link 310 produces ascending elasticity, consequently to sum up, can make the different position of hoisting machinery lifting hook adjustment for it has the effect of a buffering when hoisting the object.
Embodiment 2, as shown in fig. 1 and fig. 3, fixing device 4 includes circular plate 401, top and the bottom fixed connection of bull stick 306 in the middle of circular plate 401, the bottom fixed connection of circular plate 401 has lifting hook 402, the fixed cover of surface of lifting hook 402 bottom is equipped with first solid fixed ring 405, the bottom movable sleeve of lifting hook 402 is equipped with the solid fixed ring 404 of second, the surface of first solid fixed ring 405 has the stationary button 403 through screw nail swing joint, circular plate 401 is close to middle inside and seted up with bull stick 306 assorted screw thread groove, bull stick 306 is close to the surface of bottom and seted up with circular plate 401 assorted screw thread lug.
The whole fixing device 4 achieves the effect that when the hoisting machine is required to hoist an object, a rope binding the object is hung at the bottom of the lifting hook 402, the first fixing ring 405 is fixedly sleeved on the outer wall of the lifting hook 402, the fixing buckle 403 is movably installed on the outer wall of the first fixing ring 405, the position of the fixing buckle 403 is adjusted, the rope can be hung between the first fixing ring 405 and the second fixing ring 404, the fixing buckle 403 is reset at the moment, the second fixing ring 404 is movably sleeved on the outer wall of the lifting hook 402, the second fixing ring 404 and the fixing buckle 403 are sleeved together, the rope between the first fixing ring 405 and the second fixing ring 404 is clamped tightly, the rope is not easy to fall off, and the safety effect of a user is protected.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (6)

1. Anti-drop hoisting machinery lifting hook includes connecting seat (1), its characterized in that: two sides of the bottom of the connecting seat (1) are fixedly connected with supporting seats (2), buffering devices (3) are arranged inside the two supporting seats (2), and fixing devices (4) are arranged at the bottoms of the two supporting seats (2);
the buffer device (3) comprises a connecting plate (311), the outer walls of two sides of the connecting plate (311) are fixedly connected to the inner walls of two supports (2), the top parts of two sides of the connecting plate (311) are fixedly connected with telescopic rods (310), the top parts of two telescopic rods (310) are fixedly connected with supporting plates (305), a rotating rod (306) is movably sleeved in the connecting plate (311) close to the middle, a pressing plate (302) is movably embedded on the outer surface of the rotating rod (306) close to the top part, supporting blocks (308) are fixedly connected to the upper surfaces of two sides of the pressing plate (302), pin ports (312) are formed in the outer surfaces of the two supporting blocks (308), pins (301) are movably connected in the two pin ports (312), chucks (307) are fixedly connected to the top parts of the rotating rod (306), and supporting rods (303) are fixedly connected to the inner walls of two supports (2, two the surface of bracing piece (303) all fixes the cover and is equipped with rubber spring (304), the surface of backup pad (305) both sides all fixes the cover and is equipped with screw thread rubber (309).
2. The anti-drop lifting machinery lifting hook according to claim 1, characterized in that: the fixing device (4) comprises a circular plate (401), the top of the middle of the circular plate (401) is fixedly connected with the bottom of the rotating rod (306), and the bottom of the circular plate (401) is fixedly connected with a lifting hook (402).
3. The anti-drop lifting machinery lifting hook according to claim 2, characterized in that: the outer fixed surface cover of lifting hook (402) bottom is equipped with first solid fixed ring (405), the bottom activity cover of lifting hook (402) is equipped with solid fixed ring of second (404).
4. The anti-drop lifting machinery lifting hook according to claim 3, characterized in that: the outer surface of the first fixing ring (405) is movably connected with a fixing buckle (403) through a threaded nail.
5. The anti-drop lifting machinery lifting hook according to claim 2, characterized in that: the inner part of the circular plate (401) close to the middle is provided with a thread groove matched with the rotating rod (306), and the outer surface of the rotating rod (306) close to the bottom is provided with a thread lug matched with the circular plate (401).
6. The anti-drop lifting machinery lifting hook according to claim 1, characterized in that: the outer surface of the chuck (307) is provided with a plurality of bayonets matched with the plug pins (301).
CN202011231653.2A 2020-11-06 2020-11-06 Anti-drop hoisting machinery lifting hook Withdrawn CN112456299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011231653.2A CN112456299A (en) 2020-11-06 2020-11-06 Anti-drop hoisting machinery lifting hook

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011231653.2A CN112456299A (en) 2020-11-06 2020-11-06 Anti-drop hoisting machinery lifting hook

Publications (1)

Publication Number Publication Date
CN112456299A true CN112456299A (en) 2021-03-09

Family

ID=74825846

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011231653.2A Withdrawn CN112456299A (en) 2020-11-06 2020-11-06 Anti-drop hoisting machinery lifting hook

Country Status (1)

Country Link
CN (1) CN112456299A (en)

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Application publication date: 20210309

WW01 Invention patent application withdrawn after publication