Self-unfolding locking lifting appliance with symmetrical through holes

Abstract

The utility model relates to the technical field of lifting appliances, in particular to a self-unfolding locking lifting appliance with symmetrical through holes, which comprises a locking lifting ring, the stud is fixedly mounted in the locking hanging ring through three inclined supporting frames; the lifting ring is fixedly mounted at the top of the stud; the three groups of self-unfolding locking assemblies are mounted on the locking hanging ring in a circumferential array; and the driving assembly is used for driving the three groups of self-unfolding locking assemblies to unfold and fold. An I-shaped nut is rotated to spirally move downwards along a stud, a connecting ring is pushed to drive each fixing rod and each rack to move downwards, and at the moment, each gear meshed with each rack drives the corresponding supporting beam to rotate towards the outside of the locking hanging ring, so that each supporting beam can rotate to the maximum degree, and the locking hanging ring can rotate to the maximum degree. The locking of the hanging object can be realized so as to be matched with the hanging objects of various specifications, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance technical field especially relates to a through -hole symmetry self -unfolding locking lifting appliance. BACKGROUND

[0002] In the existing hoisting operation, the lifting appliance usually needs to be conveniently installed and disassembled, and the stability and safety between the lifting appliance and the hoisted object are ensured during hoisting.

[0003] Through the retrieval, the patent publication number CN220412634U discloses a through -hole symmetry self -unfolding locking lifting appliance, can guarantee that the lifting appliance does not collapse and slip, and the lifting appliance does not produce relative motion with the workpiece after being lifted, and the safety performance is high.

[0004] But the above technical scheme has limited space for the expansion and folding of the support beam when in use, which results in the technical scheme being unable to match more different specifications of hoisted objects, and the use has certain limitations. UTILITY MODEL CONTENTS

[0005] The utility model relates to a lifting appliance technical field especially relates to a through -hole symmetry self -unfolding locking lifting appliance.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A through -hole symmetry self -unfolding locking lifting appliance, including: locking lifting ring, stud, through three inclined support frames fixedly installed in the locking lifting ring, hoisting ring, fixedly installed on the top of the stud, three groups of self -unfolding locking assemblies are installed on the locking lifting ring in circumferential array, the self -unfolding locking assembly includes the gear of movable sleeve embedding on the surface of locking lifting ring, both sides of the gear are fixedly installed with annular plate, the side of each annular plate is fixedly installed with support beam, the outside of the gear is engaged with rack, and the other side of rack is fixedly installed with fixed rod, sliding limit component is equipped between the rack and locking lifting ring, the sliding limit component includes the sliding hole of setting on the surface of rack, the door type rod is slidably connected in the sliding hole, and the door type rod is fixedly installed on the inside of locking lifting ring, a plurality of drive rods are fixedly installed on the side of I -shaped nut, and a plurality of drive rods are arranged in circumferential array.

[0008] In order to better achieve the above object, the utility model adopts further technical scheme: still include drive assembly for driving three groups of the self -unfolding locking assembly to unfold and fold, the drive assembly includes the I -shaped nut of screwing on the surface of stud, the recess of I -shaped nut movably sleeve sets up connecting ring, and connecting ring is fixed between three fixed rods.

[0009] In order to better achieve the above object, the utility model discloses further technical scheme: the surface of locking lifting ring is provided with annular groove, and annular groove and corresponding gear and annular plate are all movably connected.

[0010] The utility model discloses the advantage lies in: through the rotation of I -shaped nut moves along the stud spiral downward, promotes the connecting ring to drive each fixed link to move downward together with each rack, at this moment, each gear that respectively with each rack engages, will drive corresponding support beam to rotate to the outside of locking lifting ring, thereby make each support beam can maximize the rotation of degree, until with the inside of the lifting object abuts, can realize the locking of lifting object, to match various specifications of lifting object, improved practicality. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model discloses a structure diagram of a through-hole symmetrical self-unfolding locking lifting device;

[0012] Figure 2 The utility model discloses a structure diagram of a through-hole symmetrical self-unfolding locking lifting device in the unfolding of support beam;

[0013] Figure 3 The utility model discloses a structure diagram of a through-hole symmetrical self-unfolding locking lifting device;

[0014] Figure 4 The utility model discloses a structure diagram of I -shaped nut in a through-hole symmetrical self-unfolding locking lifting device;

[0015] Figure 5 The utility model discloses a structure diagram of locking lifting ring in a through-hole symmetrical self-unfolding locking lifting device.

[0016] In the drawing: 1 is locking lifting ring, 2 is stud, 3 is inclined support frame, 4 is hoisting lifting ring, 5 is support beam, 6 is gear, 7 is annular plate, 8 is rack, 9 is fixed link, 10 is I -shaped nut, 11 is connecting ring, 12 is drive rod, 13 is sliding hole, 14 is door type rod, 15 is annular groove. DETAILED DESCRIPTION

[0017] The technical scheme in the utility model embodiment will be described clearly and completely in connection with the drawings in the utility model embodiment.

[0018] Reference Figures 1 to 5A kind of through-hole symmetry self-unfolding locking lifting appliance, including: locking lifting ring 1;Screw post 2, is fixedly installed in locking lifting ring 1 by three inclined bracing frame 3, three inclined bracing frame 3 effectively increases its connection firmness between screw post 2, hoisting ring 4, is fixedly installed at the top of screw post 2, for being connected with the hoisting part of crane, three groups of self-unfolding locking components, are installed on locking lifting ring 1 in circumferential array, self-unfolding locking component includes movable sleeve embedding gear 6 on the surface of locking lifting ring 1, the surface of locking lifting ring 1 is provided with annular groove 15, and annular groove 15 is movably connected with corresponding gear 6 and annular plate 7, plays the limiting effect of gear 6, so that gear 6 can only rotate in annular groove 15, and cannot move in other state on locking lifting ring 1, annular plate 7 is fixedly installed on the both sides of gear 6, support beam 5 is fixedly installed on the side of each annular plate 7, gear 6 is engaged with rack 8 outside, and fixed rod 9 is fixedly installed on the other side of rack 8, sliding limiting component is arranged between rack 8 and locking lifting ring 1, sliding limiting component includes sliding hole 13 provided on the surface of rack 8, door-shaped rod 14 is slidably connected in sliding hole 13, and door-shaped rod 14 is fixedly installed in the inside of locking lifting ring 1, through the sliding connection between sliding hole 13 and door-shaped rod 14, plays the limiting effect of rack 8, so that rack 8 can only move vertically, and cannot be deflected.

[0019] Further comprising driving assembly for driving three groups of self-unfolding locking components to unfold and fold, driving assembly includes I-shaped nut 10 that is sleeved on the surface of screw post 2, recess of I-shaped nut 10 movably sleeves connecting ring 11, and connecting ring 11 is fixed between three fixed rods 9, a plurality of drive rods 12 are fixedly installed on the side of I-shaped nut 10, and the plurality of drive rods 12 are arranged in circumferential array, to facilitate staff to move I-shaped nut 10 rotation.

[0020] When the utility model is used, first, each support beam 5 is deeply inserted into the hoisted object, then, each drive rod 12 is moved in turn, so that I-shaped nut 10 moves downward along screw post 2 spirally, pushes connecting ring 11 to drive each fixed rod 9 and each rack 8 to move downward, at this time, each gear 6 engaged with each rack 8 respectively will drive corresponding support beam 5 to rotate outward to locking lifting ring 1, so that each support beam 5 can rotate maximally by 360 degrees, until the inside of the hoisted object is abutted, i.e. the locking of the hoisted object can be realized, to match various specifications of hoisted objects, improve practicality.

Claims

1. A symmetrical self-unfolding locking spreader with through holes, characterized in that, Include: Locking sling (1); stud (2) is fixedly installed in the locking sling (1) through three inclined support frames (3); lifting sling (4) is fixedly installed on the top of the stud (2), three groups of self-unfolding locking assemblies are installed on the locking sling (1) in a circumferential array, the self-unfolding locking assembly comprises a gear (6) movably sleeved on the surface of the locking sling (1), the gear (6) is fixedly installed with an annular plate (7) on both sides, the side edge of each annular plate (7) is fixedly installed with a support beam (5), the outer side of the gear (6) is engaged with a rack (8), and the other side of the rack (8) is fixedly installed with a fixed rod (9), a sliding limiting assembly is arranged between the rack (8) and the locking sling (1), the sliding limiting assembly comprises a sliding hole (13) formed in the surface of the rack (8), the sliding hole (13) is slidably connected with a door-shaped rod (14), and the door-shaped rod (14) is fixedly installed on the inner side of the locking sling (1).

2. The symmetrical self-latching pendant spreader according to claim 1, wherein, Further comprising a driving assembly for driving three groups of the self-unfolding locking assemblies to unfold and fold, the driving assembly comprises an I-shaped nut (10) sleeved on the surface of the stud (2), the recess of the I-shaped nut (10) movably sleeves a connecting ring (11), and the connecting ring (11) is fixed between the three fixed rods (9), the side edge of the I-shaped nut (10) is fixedly installed with a plurality of driving rods (12), and the plurality of driving rods (12) are arranged in a circumferential array.

3. The symmetrical self-latching pendant spreader according to claim 1, wherein, The surface of the locking sling (1) is provided with an annular groove (15), and the annular groove (15) is movably connected with the corresponding gear (6) and the annular plate (7).

Images