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CN-224212294-U - Speed differential device with buffering function

CN224212294UCN 224212294 UCN224212294 UCN 224212294UCN-224212294-U

Abstract

The utility model discloses a speed differential device with a buffering function, which comprises a speed differential device body, wherein a telescopic rope in the speed differential device body extends to the outside and is provided with first hooks, two sides of the speed differential device body are provided with fixing rings, the outer ring surfaces of the fixing rings are respectively provided with an annular groove, positioning rings are respectively movably arranged in the annular grooves, the outer ring surfaces of the positioning rings are respectively provided with a fixing rod, the other ends of the fixing rods are respectively provided with a compression spring, the other ends of the compression springs are respectively provided with a steel wire rope, the other ends of the steel wire ropes are respectively provided with a second hook, and the first hooks are respectively provided with an intermediate ring. The utility model has simple structure, can perform double fixation, increases the safety, and one end of the second hook is provided with the compression spring, and can play a role in buffering through the elasticity of the compression spring and the damping of the combined high-damping rubber rod, thereby avoiding injuries caused by hard landing, and meanwhile, the second hook can rotate to one side of the first hook and is fixed on the first hook, thereby increasing the safety.

Inventors

  • ZHAO JIAJIA

Assignees

  • 杭州合泰安防科技有限公司

Dates

Publication Date
20260508
Application Date
20250617

Claims (6)

  1. 1. The speed differential with the buffering function is characterized by comprising a speed differential body (1), wherein a telescopic rope in the speed differential body (1) extends to the outside and is provided with first hooks (8), two sides of the speed differential body (1) are provided with fixing rings (2), the outer ring surfaces of the fixing rings (2) are respectively provided with annular grooves (14), the annular grooves (14) are respectively provided with a positioning ring (3) in a movable mode, the outer ring surfaces of the positioning rings (3) are respectively provided with a fixing rod (4), the other ends of the fixing rods (4) are respectively provided with a compression spring (5), the other ends of the compression springs (5) are respectively provided with a steel wire rope (6), the other ends of the steel wire ropes (6) are respectively provided with a second hook (7), the second hooks (7) and the first hooks (8) are respectively provided with a middle ring (10), and the second hooks (7) are respectively provided with a fixing mechanism connected with the middle ring (10).
  2. 2. The differential gear with buffering function according to claim 1, wherein the fixing mechanisms comprise side rings (9), screw rods (12) and rotating plates (11), the side rings (9) are mounted on the second hooks (7), screw teeth are arranged in openings at two ends of the middle ring (10), the screw rods (12) penetrate through the side rings (9) to be inserted into the middle ring (10) and are in threaded connection with the screw teeth, and the rotating plates (11) are mounted on opposite end faces of the screw rods (12).
  3. 3. The speed differential device with the buffering function according to claim 2, wherein limiting grooves with annular structures are formed in the middle of the side rings (9), limiting portions (13) with annular structures are formed by protruding corresponding to the positions of the limiting grooves, of the screw rods (12), and the limiting portions (13) are movably arranged in the limiting grooves.
  4. 4. The speed differential device with the buffering function according to claim 1, wherein the fixing ring (2), the positioning ring (3) and the fixing rod (4) are made of steel materials, the width of the positioning ring (3) is matched with the width of the annular groove (14), and the outer ring of the positioning ring (3) is protruded out of the annular groove (14).
  5. 5. The speed differential device with the buffering function according to claim 1, wherein the compression springs (5) are high-strength tensile springs, high-damping rubber rods are arranged in the compression springs (5), and two ends of each high-damping rubber rod are arranged at two ends of the compression springs (5).
  6. 6. The speed differential device with the buffering function according to claim 1, wherein the outer parts of the steel wire ropes (6) are wrapped with rubber sleeves.

Description

Speed differential device with buffering function Technical Field The utility model relates to the technical field of speed differentials, in particular to a speed differential with a buffering function. Background The speed differential device is suitable for safety protection when a suspended workpiece is prevented from falling accidentally during the hoisting of the crown block, can effectively protect life safety of ground operators and damage of objects of the suspended workpiece, and is applied to high-altitude operation places such as metallurgy automobile manufacturing, petrochemical industry, engineering construction, electric power, ships, communication, pharmacy, bridges and the like. At present, the locking function of a speed difference automatic controller in the market is stiff, once the locking function is started, the user is hovered immediately, the hard landing can generate reaction force to cause slight injury to the user, the hooks arranged on the speed difference device are arranged at two ends, the hooks in two directions in the carrying process are irregularly swung and are easy to hang on an external object, so that the carrying safety is influenced, and further improvement is needed on the basis. Disclosure of Invention The technical problem to be solved by the utility model is to provide the speed differential device with the buffering function, the buffering function can be achieved through the compression spring, hard landing is avoided, the second hook can rotate to the outer side of the first hook and is fixed with the first hook, and the stability during carrying is improved, so that the problems in the background technology are solved. The utility model is realized by the following technical scheme that the speed differential device with the buffering function comprises a speed differential device body, wherein a telescopic rope in the speed differential device body extends to the outside and is provided with first hooks, two sides of the speed differential device body are provided with fixing rings, annular grooves are formed in the outer ring surfaces of the fixing rings, positioning rings are movably arranged in the annular grooves, fixing rods are arranged on the outer ring surfaces of the positioning rings, compression springs are arranged at the other ends of the fixing rods, steel wire ropes are arranged at the other ends of the compression springs, second hooks are arranged at the other ends of the steel wire ropes, the second hooks and the first hooks are arranged respectively, intermediate rings are arranged on the first hooks, and fixing mechanisms connected with the intermediate rings are arranged on the second hooks. As the preferable technical scheme, fixed establishment all includes side ring, screw rod and rotor plate, and the side ring is all installed on the second couple, all is equipped with the screw thread in the opening at intermediate ring both ends, and the screw rod all passes the side ring and inserts in the intermediate ring to all set up with screw thread threaded connection, the rotor plate all is installed on the opposite terminal surface of screw rod. As the preferable technical scheme, the middle of side ring all is equipped with annular structure's spacing groove, and the screw rod just is to the spacing portion of annular structure of all protrusion formation in spacing groove department, and spacing portion all activity sets up in the spacing groove. As the preferable technical scheme, the fixing ring, the positioning ring and the fixing rod are all made of steel materials, the width of the positioning ring is matched with the width of the annular groove, and the outer ring of the positioning ring is protruded out of the annular groove. As the preferable technical scheme, compression spring is the tensile spring that excels in, and compression spring's inside all is equipped with high damping rubber stick, and high damping rubber stick's both ends are all installed in compression spring's both ends. As the preferable technical scheme, the outside of the steel wire rope is wrapped with rubber sleeves. The utility model has the advantages that the structure is simple, the two second hooks are arranged, double fixation can be carried out, the safety is improved, the compression spring is arranged at one end of the second hooks, the buffer effect can be realized through the elasticity of the compression spring and the damping of the combined high-damping rubber rod, the injury caused by hard landing is avoided, meanwhile, the second hooks can rotate to one side of the first hooks and are fixed on the first hooks, the whole structure is more compact after the hooks are aligned, the synchronous left and right shaking of the two ends in the walking or transportation process is avoided, the objects around the hooks are reduced, and the safety is improved. Drawings In order to more clearly illustrate the embodiments of the utility model or the tech