CN218860117U

CN218860117U - Tire lifting appliance

Info

Publication number: CN218860117U
Application number: CN202222925586.5U
Authority: CN
Inventors: 陈志勇
Original assignee: Fujian Giti Tire Co ltd
Current assignee: Fujian Giti Tire Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-04-14
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a tyre lifting appliance, which comprises a lifting hook connected with a lifting device; a main shaft is fixedly connected below the lifting hook; the main shaft is provided with a plurality of movably connected hook claws which are used for opening to hook the inner wall of the tire bead when the lifting hook is lifted upwards; the main shaft is provided with a limiting piece for preventing the hook claw from opening in a non-hooking state; and a rotating device for rotating the main shaft is fixedly connected to the main shaft so that the limiting piece relieves the limitation on the hook claw. The utility model discloses reduce the daily tire of workman and transport and load and unload intensity of labour. And a special hoisting tool is used, so that the efficiency is improved, and the operation safety is improved.

Description

Tire lifting appliance

Technical Field

The utility model relates to a tire field especially relates to a tire lifting appliance.

Background

Along with the development of factory engineering tire products, the weight of a single tire of an engineering tire is up to hundreds of kilograms, and is even up to more than 270 kilograms, because the physical ability of personnel is limited, the manual tire moving cannot meet the daily tire transferring and loading and unloading business, and in order to meet emergency, the forklift clamping and holding machine is used for temporary auxiliary operation currently, but the efficiency is low, the operability is poor, and the safety is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problem of the prior art, the utility model provides a tire lifting appliance reduces the daily tire of workman and transports and load and unload intensity of labour, raises the efficiency, improves the operation security.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a tire lifting appliance is characterized in that: comprises a lifting hook connected with a lifting device; a main shaft is fixedly connected below the lifting hook; the main shaft is provided with a plurality of movably connected hook claws which are used for opening to hook the inner wall of the tire bead when the lifting hook is lifted upwards; the main shaft is provided with a limiting piece for preventing the hook claw from opening in a non-hooking state; and a rotating device for rotating the main shaft is fixedly connected to the main shaft so that the limiting piece can relieve the limitation on the hook claw.

Further, the hook claw is rotatably arranged on the upper disc; a plurality of hook claws are uniformly arranged on the upper disc; the upper disc is sleeved on the main shaft; a plurality of accommodating grooves for accommodating the limiting parts so that the upper disc can move up and down are arranged at intervals on the inner side of the upper disc, and a limiting part which is matched with the limiting parts to limit the downward movement of the upper disc is arranged between every two adjacent accommodating grooves; the middle part of the hook claw is rotatably connected with a connecting rod, and the other end of the connecting rod is rotatably connected with the bottom of the main shaft.

Further, a flange plate sleeved on the main shaft is fixedly connected to the top of the upper plate; at least two supporting frames extending outwards are connected above the flange plate; the diameter of an inscribed circle of the outermost end point of the support frame is larger than that of the tire seam allowance.

Further, a lower disc is arranged at the bottom of the main shaft; the lower disc is rotatably connected with the middle part of the hook claw through a connecting rod which is rotatably arranged.

Furthermore, the upper end and the lower end of the lower disc are symmetrically provided with a stop washer and a round nut; the stop washer is arranged between the round nut and the lower disc.

Furthermore, the bottom of the hook claw extends outwards to form a claw piece.

Further, the rotating device is a rotating disc; the center of the rotary disc is fixedly connected with the main shaft through an expansion sleeve; the expansion sleeve is arranged above the flange plate.

Further, the lifting hook is in threaded connection with the main shaft.

Furthermore, the upper disc and the lower disc are both hexagonal; 6 clamping jaws are connected to 6 corners of the upper plate; 6 containing grooves are formed in the inner side of the upper disc at equal intervals.

(III) advantageous effects

The utility model has the advantages that: the labor intensity of workers in daily tire transferring, loading and unloading is reduced. And a special hoisting tool is used, so that the efficiency is improved, and the operation safety is improved. Aiming at the weight of a single tire of an engineering tire which can reach 270KG or more, the manual tire moving cannot meet the daily tire transferring and loading and unloading service, the tire lifting appliance is provided with 6 claw pieces, and the claw pieces rotate by 30 degrees under the control of manual control or automatic equipment to realize free opening and contraction, so that the tire can be grabbed, lifted and released.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a contraction section of a lifting appliance of the present invention;

fig. 2 is a schematic view of the opened section of the spreader of the present invention;

FIG. 3 is a structural schematic diagram of the upper plate of the present invention;

description of reference numerals: 1. the tire bead comprises a lifting hook, 2 parts of an expansion sleeve, 3 parts of a rotating device, 4 parts of a limiting part, 5 parts of an upper disc, 51 parts of a containing groove, 52 parts of a limiting part, 6 parts of a hook claw, 61 parts of a claw sheet, 7 parts of a connecting rod, 8 parts of a pin shaft, 9 parts of a lower disc, 10 parts of a stop washer, 11 parts of a round nut, 12 parts of a main shaft, 13 parts of a flange plate, 14 parts of a support frame, 15 parts of a tire, 151 parts of a tire bead opening and 152 parts of an inner wall of the tire bead opening;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the first embodiment, please refer to fig. 1-3:

a tyre lifting appliance comprises a lifting hook 1 connected with a lifting device; a main shaft 12 is fixedly connected below the lifting hook 1, and the requirement of lifting tires is met through a traveling fork truck; the main shaft 12 is provided with a rotating device 3, and the rotating device 3 is a rotating disc; the center of the rotary disc is fixedly connected with the main shaft 12 through the expansion sleeve 2; the expansion sleeve 2 is arranged above the flange plate 13. The rotary disc rotates 30 degrees manually or mechanically to realize two actions of tire grabbing and tire releasing; the lifting hook 1 is in threaded connection with a main shaft 12.

The main shaft 12 is provided with a plurality of movably connected hook claws 6 which are used for opening to hook the inner wall 152 of the tire bead when the lifting hook 1 is lifted upwards; the bottom of the hook claw 6 extends outwards to form a claw piece 61, and after the hook claw 6 is opened, the claw piece 61 is clamped below the inner wall 152 of the tire bead so as to facilitate the grabbing of the tire; the main shaft 12 is provided with a limiting piece 4 for preventing the hook claw 6 from opening in a non-hooking state; the main shaft 12 is fixedly connected with a rotating device 3 for rotating the main shaft 12 so that the limiting piece 4 releases the limitation on the hook claw 6.

The hook claw 6 is rotationally arranged on the upper disc 5; a plurality of hook claws 6 are uniformly arranged on the upper disc 5; the upper disc 5 is sleeved on the main shaft 12; a plurality of accommodating grooves 51 for accommodating the limiting pieces 4 so that the upper disc 5 can move up and down are arranged at intervals on the inner side of the upper disc 5, and a limiting part 52 which is matched with the limiting pieces 4 to limit the downward movement of the upper disc 5 is arranged between every two adjacent accommodating grooves 51; the middle part of the hook claw 6 is rotatably connected with a connecting rod 7, and the other end of the connecting rod 7 is rotatably connected with the bottom of the main shaft 12. The bottom of the main shaft 12 is provided with a lower disc 9; the lower disc 9 is rotatably connected with the middle part of the hook claw 6 through a connecting rod 7 which is rotatably arranged. The rotation joint is rotated through a pin shaft 8. The upper end and the lower end of the lower disc 9 are symmetrically provided with a stop washer 10 and a round nut 11; the stop washer 10 is arranged between the round nut 11 and the lower disc 9.

The top of the upper disc 5 is fixedly connected with a flange 13 sleeved on the main shaft 12; at least two supporting frames 14 extending outwards are connected above the flange plate 13; the diameter of the inscribed circle of the outermost end point of the support frame 14 is larger than that of the tire seam 151. And thus against the tyre 15.

The upper disc 5 and the lower disc 9 are both hexagonal; 6 clamping jaws are connected to 6 corners of the upper disc 5; the inner side of the upper disc 5 is provided with 6 containing grooves 51 at equal intervals.

The utility model discloses an operation process.

1. And selecting a lifting appliance with proper dimension specification, and adjusting the positions of the round nut 11 and the stop washer 10 to ensure that the outer diameter of the opened claw piece 61 is matched with the dimension of the tire bead to be lifted.

2. The hanger is reliably connected with a crane (or a forklift and the like) hook.

3. Manually moving the rotating device 3 to enable the flat key on the spline main shaft to be staggered with the key slot by 30 degrees, enabling the lifting appliance claw sheet 61 to be in a contraction state, moving the travelling crane to place the lifting appliance on the inner side of the tire seam allowance 151, when the supporting frame 14 touches the tire 15, transferring the weight of the lifting appliance part connected with the supporting frame 14 to be supported by the tire, at the moment, the rotating device 3 can rotate freely, manually moving the rotating device 3 to rotate for 30 degrees to enable the limiting piece 4 to be aligned with the accommodating groove 51, at the moment, the travelling crane slowly rises, and the lifting appliance claw sheet 61 is opened due to self weight, at the moment, the tire can be normally lifted.

4. Lifting the tire 15 and moving the tire to a required position, descending the lifting appliance, when the tire 15 is in place, then properly descending the lifting appliance, when the support frame 14 touches the tire 15, the rotating device 3 returns to a free state, similarly, the support frame 14 supports the lower hook claw 6 part, the rotating device 3 is manually moved to enable the limiting part 4 on the main shaft 12 and the accommodating groove 51 to be staggered by 30 degrees and be blocked by the limiting part 52, at the moment, the lifting appliance claw piece 61 is in a contraction state, the lifting hook is lifted to move a travelling crane, and the lifting appliance is moved to the next tire 15 to be lifted.

5. The lifting appliance is moved to the center of the tire, the claw piece 61 is arranged on the inner side of the tire opening 151, when the support frame 14 touches the tire, the manual movement slewing device 3 is manually moved to rotate for 30 degrees to enable the limiting piece 4 to be aligned with the accommodating groove 51, the traveling crane slowly ascends at the moment, the lifting appliance claw piece 61 is opened, and the tire 15 can be normally lifted at the moment.

And (5) repeating the steps (4) and (5) to finish the hoisting of the next tire (15).

The limiting member 4 may be a flat key or a machined bump provided on the spindle 12 for limiting. Utilize the utility model discloses the hoist, realization tire 15 that can be convenient hoist and mount fast and place safe and reliable.

The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. A tire lifting appliance is characterized in that: comprises a lifting hook connected with a lifting device; a main shaft is fixedly connected below the lifting hook; the main shaft is provided with a plurality of movably connected hook claws which are used for opening to hook the inner wall of the tire bead when the lifting hook is lifted upwards; the main shaft is provided with a limiting piece for preventing the hook claw from opening in a non-hooking state; and a rotating device for rotating the main shaft is fixedly connected to the main shaft so that the limiting piece relieves the limitation on the hook claw.

2. A tyre spreader according to claim 1, wherein: the hook claw is rotationally arranged on the upper disc; a plurality of hooks are uniformly arranged on the upper disc; the upper disc is sleeved on the main shaft; a plurality of accommodating grooves for accommodating the limiting parts are arranged at intervals on the inner side of the upper disc so that the upper disc can move up and down, and a limiting part which is matched with the limiting parts and limits the downward movement of the upper disc is arranged between every two adjacent accommodating grooves; the middle part of the hook claw is rotatably connected with a connecting rod, and the other end of the connecting rod is rotatably connected with the bottom of the main shaft.

3. A tyre spreader according to claim 2, wherein: the top of the upper disc is fixedly connected with a flange plate sleeved on the main shaft; at least two supporting frames extending outwards are connected above the flange plate; the diameter of an inscribed circle of the outermost end point of the support frame is larger than that of the tire seam allowance.

4. A tyre spreader according to claim 2, wherein: the bottom of the main shaft is provided with a lower disc; the lower disc is rotatably connected with the middle part of the hook claw through a connecting rod which is rotatably arranged.

5. A tyre spreader according to claim 4, wherein: the upper end and the lower end of the lower disc are symmetrically provided with a stop washer and a round nut; the stop washer is arranged between the round nut and the lower disc.

6. A tyre spreader according to claim 2 in which: the bottom of the hook claw extends outwards to form a claw piece.

7. A tyre spreader according to claim 3 in which: the rotating device is a rotating disc; the center of the rotary disc is fixedly connected with the main shaft through an expansion sleeve; the expansion sleeve is arranged above the flange plate.

8. A tyre spreader according to claim 1, wherein: the lifting hook is in threaded connection with the main shaft.

9. A tyre spreader according to claim 4 in which: the upper disc and the lower disc are both hexagonal; 6 clamping jaws are connected to 6 corners of the upper plate; 6 containing grooves are formed in the inner side of the upper disc at equal intervals.