CN213707518U

CN213707518U - Brake drum hoist

Info

Publication number: CN213707518U
Application number: CN202022493293.5U
Authority: CN
Inventors: 吴志强; 彭毅中; 付正勇; 于鸣
Original assignee: Guangdong Fuwa Heavy Industry Co Ltd
Current assignee: Guangdong Fuwa Heavy Industry Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-16
Anticipated expiration: 2030-11-02

Abstract

The utility model provides a brake drum hoist for connect hoisting accessory to lift by crane the brake drum, include: the positioning ring is sleeved on the brake drum and provided with a connecting lug; the connecting rod is provided with a fulcrum part, the fulcrum part is rotatably connected with the connecting lug and forms a fulcrum with the connecting lug, the connecting rod is respectively provided with a lifting part for connecting the lifting device and a limiting part arranged along the radial direction of the brake drum lifting appliance, and the lifting part and the limiting part are respectively positioned at two opposite sides of the fulcrum; the limiting part is subjected to the force of the hoisting device to enable the limiting part to be close to the brake drum, and the limiting part swings around the fulcrum in the direction close to the brake drum and abuts against the positioning part of the brake drum. Through setting up stop gear to can block the brake drum just makes the brake drum atress balanced to the displacement of horizontal direction, in order to reach the purpose of firm location brake drum, and then prevents that the brake drum from rocking along the horizontal direction.

Description

Brake drum hoist

Technical Field

The utility model relates to an auto-parts lifting means technical field especially relates to a brake drum hoist.

Background

When the automobile brake drum is installed, the brake drum is fixed by the brake drum lifting appliance, then the brake drum lifting appliance is connected with the lifting device, the lifting device lifts and lifts the brake drum to a brake drum assembly production line through the brake drum lifting appliance, and then the brake drum and the brake shoe are assembled. However, the brake drum is prone to shake during the process of lifting the brake drum, and if the shake range is too large, the brake drum is prone to fall off, so that a great potential safety hazard exists.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model aims at providing a location stable brake drum hoist.

In order to achieve the above object, the utility model provides a brake drum hoist adopts following technical scheme:

a brake drum sling for connecting a lifting device to lift a brake drum, comprising:

the positioning ring is sleeved on the brake drum and provided with a connecting lug;

the connecting rod is provided with a fulcrum part, the fulcrum part is rotatably connected with the connecting lug and forms a fulcrum with the connecting lug, the connecting rod is respectively provided with a lifting part for connecting the lifting device and a limiting part arranged along the radial direction of the brake drum lifting appliance, and the lifting part and the limiting part are respectively positioned at two opposite sides of the fulcrum; the limiting portion is subjected to the force of the hoisting device, which enables the limiting portion to be close to the brake drum, and enables the limiting portion to swing around the fulcrum in the direction close to the brake drum and to be abutted against the positioning portion of the brake drum.

Furthermore, the motion track of the limiting part is intersected with the positioning part.

Furthermore, the limiting portion is provided with a fixing groove along the axial direction of the brake drum lifting appliance, and the fixing groove is clamped with the connecting rod.

Furthermore, the connecting rod has a top surface and a bottom surface which are oppositely arranged, the bottom surface is closer to the brake drum than the top surface, and the limiting part is formed by extending downwards from the bottom surface along the radial direction of the brake drum lifting appliance.

Further, the bottom of the limiting portion inclines downwards relative to the radial direction of the brake drum hanger and extends to form an abutting portion, and the abutting portion is used for abutting against the side wall of the positioning portion.

Furthermore, the lifting part is provided with at least two adjusting mechanisms for adjusting the lifting gravity center, and the adjusting mechanisms are used for being connected with the lifting device.

Further, the plurality of adjustment mechanisms are arranged in the axial direction of the brake drum hanger.

Furthermore, the connecting rod has a top surface and a bottom surface which are oppositely arranged, the bottom surface is closer to the brake drum than the top surface, the top surface is provided with a plurality of fixing holes along the radial direction of the brake drum lifting appliance, and the fixing holes are the adjusting mechanisms.

Furthermore, the brake drum lifting appliance further comprises a pivot, the connecting lug comprises two connecting blocks which are oppositely arranged, the connecting blocks are fixed on the peripheral wall of the positioning ring, and a clamping groove is formed between the two connecting blocks; the fulcrum part is positioned in the clamping groove and is in rotary connection with the clamping groove through the pivot, so that the fulcrum part and the pivot form a fulcrum, and the limiting part rotates around the fulcrum in a direction close to or far away from the brake drum.

The beneficial effects of the utility model reside in that: the utility model discloses a brake drum hoist is through setting up stop gear, works as hoisting accessory lifts by crane during the brake drum, spacing portion receives hoisting accessory makes spacing portion is close to the power of brake drum direction makes spacing portion centers on the fulcrum is close to towards the direction swing of brake drum and with the location portion of brake drum supports and leans on, thereby can block the brake drum just makes the brake drum atress balanced to the horizontal direction displacement to reach the purpose of firm location brake drum, and then prevents that the brake drum from rocking along the horizontal direction.

Drawings

FIG. 1 is a perspective view of the brake drum hanger of the present invention;

FIG. 2 is an enlarged view of a portion a of FIG. 1;

FIG. 3 is a schematic view of the usage state of FIG. 1;

FIG. 4 is a partial schematic view of the linkage movement process of FIG. 3 during hoisting of the brake drum;

fig. 5 is a perspective view of the limiting portion of fig. 1 from another perspective.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 5, the utility model provides a 1 hoist of brake drum for connect hoisting accessory (not shown) to lift by crane brake drum 1, wherein, the periphery wall of 1 right-hand member of brake drum radially is equipped with annular step portion along it, the step portion is followed brake drum 1's axial direction extends to the terminal surface of 1 right-hand member of brake drum, step portion forms a location portion 11 along its radial direction's lateral wall, the top surface of location portion 11 has an annular chamfer face 111, 1 hoist of brake drum includes holding ring 2, pivot 35 and connecting rod 3, connecting rod 3 passes through pivot 35 with holding ring 2 is connected.

As shown in fig. 1 and 2, the positioning ring 2 has an inner ring and an outer ring, the inner ring is used for being sleeved on the outer peripheral wall of the brake drum 1, a connection lug 21 is arranged on the outer peripheral wall of the outer ring, the connection lug 21 comprises two connection blocks 211 which are arranged oppositely, the connection blocks 211 are fixed on the outer peripheral wall of the positioning ring 2 in a welding mode, a clamping groove 212 is formed between the two connection blocks 211, two connection blocks 211 are respectively provided with a shaft hole (not shown) for connecting the pivot 35, and the two shaft holes are coaxial.

The link 3 has a top surface 31 and a bottom surface 32 disposed opposite to each other, and the bottom surface 32 is closer to the brake drum 1 than the top surface 31. The link 3 has a fulcrum portion 33, the fulcrum portion 33 is rotatably connected to the connecting lug 21 and forms a fulcrum 30 with the connecting lug 21, specifically, the fulcrum portion 33 is located in the slot 212 and is rotatably connected to the slot 212 through the pivot 35, so that the fulcrum portion 33 and the pivot 35 form a fulcrum 30. The connecting rod 3 is respectively provided with a lifting part 36 for connecting the lifting device and a limiting part 34 arranged along the radial direction of the lifting appliance of the brake drum 1, the lifting part 36 and the limiting part 34 are respectively positioned at two opposite sides of the fulcrum 30, and the limiting part 34 can rotate around the fulcrum 30 along the direction close to or far away from the brake drum 1 under the condition of stress, so that the purposes of positioning and releasing the brake drum 1 are realized. In order to ensure good contact between the stopper portion 34 and the positioning portion 11, the movement locus of the stopper portion 34 intersects with the positioning portion 11.

As shown in fig. 3 and 4, when the hoisting device hoists the brake drum 1, the limiting portion 34 is subjected to a force that the hoisting device makes the limiting portion 34 approach the brake drum 1, that is, the limiting portion 34 is subjected to a downward force F2 of the hoisting device, so that the limiting portion 34 swings around the fulcrum 30 in a direction approaching the brake drum 1 and abuts against the chamfered surface 111 (edge surface) of the positioning portion 11 of the brake drum 1, thereby blocking the brake drum 1 from moving horizontally and balancing the force applied to the brake drum 1, so as to achieve the purpose of stably positioning the brake drum 1 in the axial direction and the vertical direction, and further preventing the brake drum 1 from swinging in the horizontal direction. Since the step portion is used for installing a dust cover (not shown) of the brake drum 1, in the embodiment, the bottom surface of the limiting portion 34 is higher than the dust cover, so that an abdicating space can be provided for the dust cover, which is beneficial to installing the brake drum 1. In other embodiments, the limiting portion 34 can directly abut against the side wall surface of the positioning portion 11, and the purpose of limiting can be achieved as well.

In this embodiment, the limiting portion 34 is a limiting block, a fixing groove 341 (shown in fig. 5) is formed in the top of the limiting block along the axial direction of the hanger of the brake drum 1, the fixing groove 341 is engaged with the bottom surface 32 of the connecting rod 3 and the connecting rod is fixed by a screw (not shown), and the structure is favorable for replacing the limiting block. In another embodiment, the stopper portion 34 is integrally formed to extend downward from the bottom surface 32 in the radial direction of the drum 1 hanger, and the stopper portion 34 can simplify the structure of the connecting rod 3. Preferably, the bottom of the limiting portion 34 is inclined downward relative to the radial direction of the hanger of the brake drum 1 to form an abutting portion 342, the abutting portion 342 is used for abutting against the wall surface of the positioning portion 11, and the inclined abutting portion 342 is arranged to form a point contact with the chamfered surface 111, so as to achieve the purpose of stably positioning the brake drum 1. Of course, in other modes, the abutting portion 342 may also be arc-shaped, so that a point contact is formed between the abutting portion and the chamfered surface 111, thereby achieving the purpose of stably positioning the brake drum 1.

In the process of processing and manufacturing the brake drum 1, in a plurality of brake drums 1 with the same specification, the shapes or weights of the brake drums 1 are different, that is, the gravity centers of the brake drums 1 may be different from each other, and therefore, in order to adjust the lifting gravity center, the lifting portion 36 is provided with at least two adjusting mechanisms 361 for adjusting the lifting gravity center, the adjusting mechanisms 361 are provided depending on the positions of the lifting gravity centers of the brake drums 1, one of the adjusting mechanisms 361 is used for connecting with the lifting device, and the other adjusting mechanism 361 is used as an alternative for adjusting the lifting gravity center, of course, in other embodiments, more than three adjusting mechanisms 361 can be arranged according to different hoisting gravity centers of the brake drums 1, and the plurality of adjusting mechanisms 361 are arranged along the axial direction of the brake drum 1 lifting appliance, so that the purpose of well adjusting the lifting gravity center is realized. In this embodiment, the top surface 31 is provided with a plurality of fixing holes along the radial direction of the hanger of the brake drum 1, the fixing holes may be threaded holes, and the threaded holes are the adjusting mechanisms 361.

As shown in fig. 3 and 4, when the brake drum 1 is assembled with a brake shoe (not shown), a hoisting device is needed to hoist the brake drum to a brake drum assembly line, when the hoisting device hoists the brake drum 1, the positioning ring 2 is firstly sleeved on the outer wall of the brake drum 1, then the hoisting device is connected with the hoisting part 36, then the hoisting device is started to drive the brake drum 1 to be lifted, at this time, the hoisting part 36 receives an upward pulling force F1 of the hoisting device, so that the hoisting part 36 rotates upward around the fulcrum 30 to drive the limiting part 34 to swing downward around the fulcrum 30 and abut against the chamfered surface 111 of the positioning part 11 on the outer wall of the brake drum 1.

The utility model discloses a brake drum hoist is through setting up stop gear, works as hoisting accessory lifts by crane during the brake drum, spacing portion receives hoisting accessory makes spacing portion is close to the power of brake drum direction makes spacing portion centers on the fulcrum is close to towards the direction swing of brake drum is in order to support and lean on the location portion of brake drum to can block the brake drum just makes the brake drum atress balanced to the horizontal direction displacement, in order to reach the purpose of firm location brake drum, and then prevents that the brake drum from rocking along the horizontal direction.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions on the technical features of the axis, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a brake drum hoist for connect hoisting accessory to hoist brake drum, its characterized in that: the method comprises the following steps:

2. The brake drum spreader of claim 1, wherein: the motion track of the limiting part is intersected with the positioning part.

3. The brake drum spreader of claim 1, wherein: the limiting portion is provided with a fixing groove along the axial direction of the brake drum lifting appliance, and the fixing groove is clamped with the connecting rod.

4. The brake drum spreader of claim 1, wherein: the connecting rod has top surface and bottom surface that relative setting, the bottom surface is more the top surface is close to the brake drum, spacing portion from the bottom surface is followed the radial direction downwardly extending of brake drum hoist forms.

5. The brake drum spreader of claim 4, wherein: the bottom of the limiting portion is inclined downwards relative to the radial direction of the brake drum lifting appliance and extends to form a leaning portion, and the leaning portion is used for leaning against the wall surface of the positioning portion.

6. The brake drum spreader of claim 1, wherein: the lifting part is provided with at least two adjusting mechanisms for adjusting the lifting gravity center, and the adjusting mechanisms are used for being connected with the lifting device.

7. The brake drum spreader of claim 6, wherein: the plurality of adjustment mechanisms are arranged in an axial direction of the brake drum hanger.

8. The brake drum spreader of claim 6, wherein: the connecting rod is provided with a top surface and a bottom surface which are oppositely arranged, the bottom surface is closer to the brake drum than the top surface, the top surface is provided with a plurality of fixing holes along the radial direction of the brake drum lifting appliance, and the fixing holes are the adjusting mechanisms.

9. The brake drum spreader of claim 1, wherein: the brake drum lifting appliance further comprises a pivot, the connecting lug comprises two connecting blocks which are oppositely arranged, the connecting blocks are fixed on the outer peripheral wall of the positioning ring, and a clamping groove is formed between the two connecting blocks; the fulcrum part is positioned in the clamping groove and is in rotary connection with the clamping groove through the pivot, so that the fulcrum part and the pivot form a fulcrum, and the limiting part rotates around the fulcrum in a direction close to or far away from the brake drum.