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CN-224212300-U - Hoisting buffer device of electric hoist

CN224212300UCN 224212300 UCN224212300 UCN 224212300UCN-224212300-U

Abstract

The utility model relates to the technical field of electric hoist devices, and particularly discloses an electric hoist lifting buffer device, wherein a fixing seat is fixed at the middle position of the bottom of an electric hoist main body, a buffer beam is arranged below the fixing seat in parallel and is positioned right above an electric hoist lifting hook, a hinged plate comprises top plates, top shafts and bottom plates, the top plates are respectively hinged to two ends of the fixing seat, the shaft shafts are rotatably sleeved at the bottom ends of the top plates, the top shafts are rotatably sleeved at the bottom ends of the shaft shafts, the bottom ends of the bottom plates are respectively hinged to two ends of the buffer beam, two ends of a tensioning spring are respectively connected to the end heads of the shaft shafts, the tensioning spring extends along the horizontal direction, and the problem that equipment is damaged by punching when the electric hoist lifting hook is lifted is well avoided.

Inventors

  • HUANG HAO

Assignees

  • 维特起重设备(合肥)有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (6)

  1. 1. An electric hoist lifts by crane buffer, characterized by comprising: The fixed seat (1), the said fixed seat (1) is fixed in the middle position of the bottom of the main body of the electric hoist; the buffer beam (2) is arranged below the fixed seat (1) in parallel and is positioned right above the electric hoist lifting hook; The hinge plate (3) comprises top plates (3.1) with the top ends respectively hinged to the two ends of the fixed seat (1), a shaft rod (3.2) rotatably sleeved at the bottom end of the top plate (3.1) and bottom plates (3.3) with the top ends rotatably sleeved at the shaft rod (3.2) and the bottom ends respectively hinged to the two ends of the buffer beam (2); and the two ends of the tensioning spring (4) are respectively connected to the end heads of the shaft rods (3.2), and the tensioning spring (4) extends along the horizontal direction.
  2. 2. The hoisting buffer device for the electric hoist according to claim 1, wherein the fixing base (1) comprises an upper lath (1.1), clamping grooves (1.2) which are fixed at two ends of the top surface of the upper lath (1.1) and are respectively clamped and matched with two sides of the middle part of the bottom end of the electric hoist frame, and upper lug bases (1.3) which are fixed at two ends of the bottom surface of the upper lath (1.1) and are respectively hinged with the top end of the top plate (3.1), and the side wall of each clamping groove (1.2) is provided with a through hole (1.2.1) for inserting a fixing bolt.
  3. 3. The hoisting buffer device for the electric hoist according to claim 1, wherein the buffer beam (2) comprises a lower slat (2.1) and lower lug bases (2.2) which are fixed at two ends of the top surface of the lower slat (2.1) and are correspondingly hinged with the bottom ends of the bottom plates (3.3) respectively.
  4. 4. The hoisting buffer device for the electric hoist according to claim 3 is characterized in that a rubber plate (2.3) is attached to the bottom surface of the lower slat (2.1), and a plurality of connecting bolts (2.4) with the bottom ends in threaded sleeve fit with the rubber plate (2.3) are sleeved on the lower slat (2.1).
  5. 5. The hoisting buffer device for the electric hoist according to claim 1 is characterized in that two ends of the tensioning spring (4) are fixedly connected with end seats (4.1) respectively, and pull rings (4.2) which are sleeved and matched with the end parts of the shaft rods (3.2) are fixed on the outer end faces of the end seats (4.1) respectively.
  6. 6. The hoisting buffer device for the electric hoist according to claim 5 is characterized in that a limiting ring (3.4) is sleeved at the end part of the shaft rod (3.2) positioned at the outer side of the pull ring (4.2).

Description

Hoisting buffer device of electric hoist Technical Field The utility model relates to the technical field of electric hoist devices, in particular to a hoisting buffer device of an electric hoist. Background The electric hoist is special hoisting equipment, is arranged on the crown block and the gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, and is widely applied to industrial and mining enterprises, storage, wharfs and other places. The hoisting process of the wire rope electric hoist in the prior art is generally controlled by an operator through remote control equipment. In the actual use process, the phenomenon that the lifting hook is excessively high in lifting position and is pushed up is easy to occur due to improper operation, so that the electric hoist body is damaged. Disclosure of utility model The utility model aims to provide a hoisting buffer device for an electric hoist, which is used for solving the problem that equipment is damaged by punching when a lifting hook of the existing electric hoist is lifted. The electric hoist lifting buffer device comprises a fixed seat, a buffer beam, a hinge plate, a tensioning spring and a bottom plate, wherein the fixed seat is fixed in the middle of the bottom of an electric hoist main body, the buffer beam is arranged below the fixed seat in parallel and is positioned right above a lifting hook of the electric hoist, the hinge plate comprises a top plate, a shaft rod and a bottom plate, the top plate is hinged to the two ends of the fixed seat, the shaft rod is rotatably sleeved at the bottom end of the top plate, the top end of the bottom plate is rotatably sleeved with the shaft rod, the bottom end of the bottom plate is hinged to the two ends of the buffer beam, the two ends of the tensioning spring are connected to the ends of the shaft rod respectively, and the tensioning spring extends in the horizontal direction. Preferably, the fixing base comprises an upper lath, clamping grooves which are fixed at two ends of the top surface of the upper lath and are respectively clamped and matched with two sides of the middle part of the bottom end of the electric hoist frame, and upper lug seats which are fixed at two ends of the bottom surface of the upper lath and are respectively hinged with the top end of the top plate, and the side walls of the clamping grooves are provided with through holes for inserting fixing bolts. Preferably, the buffer beam comprises a lower slat and lower ear seats fixed at two ends of the top surface of the lower slat and respectively hinged with the bottom ends of the bottom plates correspondingly. Preferably, the rubber plate is attached to the bottom surface of the lower lath, and a plurality of connecting bolts with the bottom ends in threaded sleeve matching with the rubber plate are sleeved on the lower lath. Preferably, two ends of the tensioning spring are respectively fixedly connected with an end seat, and pull rings which are in sleeve joint matching with the end parts of the shaft rods are respectively fixed on the outer end faces of the end seats. Preferably, the end part of the shaft lever, which is positioned outside the pull ring, is sleeved with a limiting ring. Compared with the prior art, the utility model has the beneficial effects that: The hoisting buffer device for the electric hoist can prevent the lifting hook from punching and damaging equipment, has a simple integral structure, is low in manufacturing cost, and is easy to popularize and apply widely. Drawings FIG. 1 is a schematic perspective view of the whole structure of the present utility model; FIG. 2 is a schematic perspective view of a fixing base of the present utility model; FIG. 3 is a schematic perspective view of a bumper beam according to the present utility model; FIG. 4 is a schematic perspective view of a hinge plate of the present utility model; FIG. 5 is a schematic perspective view of a tension spring of the present utility model; Fig. 6 is an assembly schematic diagram of the hoisting buffer and the electric hoist of the present utility model. In the figure, 1-fixing seat, 1.1-upper lath, 1.2-clamping groove, 1.2.1-perforation and 1.3-upper ear seat; 2-buffer beams, 2.1-lower battens, 2.2-lower ear seats, 2.3-rubber plates and 2.4-connecting bolts; 3-hinged plate, 3.1-top plate, 3.2-shaft rod, 3.3-bottom plate and 3.4-limit ring; 4-tensioning springs, 4.1-end seats and 4.2-pull rings. Detailed Description The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be