CN215990473U

CN215990473U - Tapered rotor motor brake tensioning sleeve locking nut

Info

Publication number: CN215990473U
Application number: CN202122216521.9U
Authority: CN
Inventors: 吴宏伟; 刘桐帅; 曹玉焕
Original assignee: Yingkou Xinxinjia Electromechanical Engineering Co ltd
Current assignee: Yingkou Xinxinjia Electromechanical Engineering Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-08
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a tensioning sleeve locking nut of a conical rotor motor brake, which comprises a motor rear end cover, wherein a fan cover is fixedly arranged on the right side of the motor rear end cover, a fan brake wheel is arranged on the left side of an inner cavity of the fan cover, screws penetrate through the upper side and the lower side of the inner cavity of the fan cover, and an adjustable nut is fixedly arranged between each screw and the fan cover. The designed tensioning sleeves have corresponding tensioning force numerical standards, can be applied to the shaft end nut anti-loosening mechanism, can bear axial impact, prevent shaft end threads and the anti-loosening nut from being damaged, reduce the failure rate of equipment, reduce the maintenance cost, improve the safety of the equipment, are convenient to disassemble or assemble, have high integral structural strength after assembly, and solve the problem that the motor cannot be normally braked due to thread tripping on a rotor shaft or thread tripping damage in the locking nut caused by the fact that the axial impact force cannot be borne for a long time.

Description

Tapered rotor motor brake tensioning sleeve locking nut

Technical Field

The utility model relates to the technical field of tensioning sleeves, in particular to a locking nut of a tensioning sleeve of a conical rotor motor brake.

Background

The conical rotor motor has the capability of power failure self-braking, and is widely applied to hoisting equipment such as an electric hoist, a winch and the like, a braking device of the conical rotor motor consists of a braking spring sleeved on a motor rotor, a fan braking wheel and a braking ring on an end cover, the conical rotor motor is constantly started and stopped, the rotor can frequently move axially to separate and close the fan braking wheel and the braking ring on the end cover of the motor, thus, a thread and a locking nut on a rotor shaft can be subjected to axial impact force, so that the thread on the rotor shaft is released or the internal thread of the locking nut is released and damaged, the motor can not be normally braked, the non-braking locking action of the hoisting equipment such as the electric hoist, the winch and the like can be caused, safety accidents can be easily caused, in addition, the whole set of the rotor can not be repaired and scrapped due to the damage of the thread of the rotor shaft, and the whole rotor shaft or the whole conical motor needs to be replaced, resulting in increased maintenance costs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tensioning sleeve locking nut of a conical rotor motor brake, which has the advantages of bearing axial impact, preventing damage of shaft end threads and the locking nut and reducing the equipment failure rate, and solves the problem that the motor cannot be normally braked due to thread tripping on a rotor shaft or thread tripping damage of the locking nut caused by the fact that the axial impact cannot be borne for a long time.

In order to achieve the purpose, the utility model provides the following technical scheme: conical rotor motor stopper tight sleeve lock nut that rises, including the motor rear end cap, the right side fixed mounting of motor rear end cap has the fan housing, the left side of fan housing inner chamber is provided with fan brake wheel, the upper and lower both sides of fan housing inner chamber all run through and are provided with the screw, fixed mounting has adjustable nut between screw and the fan housing, the right side joint of adjustable nut inner chamber has the tight adapter sleeve that rises.

Preferably, the inner wall of the fan brake wheel is provided with a brake ring, and the left side of the brake ring is attached to the right side of the rear end cover of the motor.

Preferably, the tensioning connecting sleeve is connected with the adjustable nut through a tensioning screw.

Preferably, a motor body is arranged on the left side of the motor rear end cover, and the motor rear end cover is connected with the motor body through a bolt.

Compared with the prior art, the utility model has the following beneficial effects:

1. the designed tensioning sleeves have corresponding tensioning force numerical standards, can be applied to the shaft end nut anti-loosening mechanism, can bear axial impact, prevent shaft end threads and the anti-loosening nut from being damaged, reduce the failure rate of equipment, reduce the maintenance cost, improve the safety of the equipment, are convenient to disassemble or assemble, have high integral structural strength after assembly, and solve the problem that the motor cannot be normally braked due to thread tripping on a rotor shaft or thread tripping damage in the locking nut caused by the fact that the axial impact force cannot be borne for a long time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of an adjustable nut structure according to the present invention.

In the figure: 1. a motor rear end cover; 2. a fan housing; 3. a fan brake wheel; 4. a brake ring; 5. a screw; 6. an adjustable nut; 7. a tension connecting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings to simplify the description of the present patent, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, the tightening sleeve locking nut of the conical rotor motor brake comprises a motor rear end cover 1, a motor body is arranged on the left side of the motor rear end cover 1, the motor rear end cover 1 is connected with the motor body through bolts, a fan housing 2 is fixedly arranged on the right side of the motor rear end cover 1, a fan brake wheel 3 is arranged on the left side of an inner cavity of the fan housing 2, a brake ring 4 is arranged on the inner wall of the fan brake wheel 3, the left side of the brake ring 4 is attached to the right side of the motor rear end cover 1, screws 5 are arranged on the upper side and the lower side of the inner cavity of the fan housing 2 in a penetrating manner, an adjustable nut 6 is fixedly arranged between the screws 5 and the fan housing 2, a tightening connecting sleeve 7 is clamped on the right side of the inner cavity of the adjustable nut 6, the tightening connecting sleeve 7 is connected with the adjustable nut 6 through tightening screws, and the designed tightening sleeves have corresponding tightening force numerical standards, can be applied to axle head nut locking mechanism, can bear the axial impact, prevent that axle head screw thread and lock nut from damaging, reduce equipment fault rate, reduce the maintenance cost, improve equipment security, it is comparatively convenient when dismantling or installing, overall structure intensity after the installation is higher, solved simultaneously and can't long-time bear the axial impact force to lead to the epaxial screw thread of rotor to drop off or lock nut internal thread to drop off and damage, cause the unable problem of normal braking of motor.

All the parts in the utility model are universal standard parts or parts known by those skilled in the art, the structure and principle of the parts are known by technical manuals or conventional experimental methods, meanwhile, the standard parts used in the application document can be purchased from the market, the parts in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of the parts adopts the conventional sections such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, and the specific description is not provided.

When the device is used, the fan cover is detached, whether the axial movement of the fan brake wheel 3 is overlarge (normal 2-4 mm) is checked, if the axial movement exceeds a specified range, all the tension screws are firstly and uniformly unscrewed, under a normal condition, the tension connecting sleeve 7 is automatically disengaged, otherwise, the disengaged screws 5 are lightly knocked by a hammer to push out the rear push ring, and the expansion sleeve is pulled out by using the disassembling threads; during installation, the screw 5 is detached, the adjustable nut 6 is rotated clockwise for 1-2 circles, and then the screw 5 is screwed down; and installing the tension connecting sleeve 7 to the position between the inner ring of the adjusting nut and the motor rotor shaft, uniformly screwing the tension screws according to opposite angles, and screwing for several times until the tightening torque meets the requirement of the tightening torque.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Toper rotor motor stopper rises and tightly overlaps lock nut, including motor rear end cap (1), its characterized in that: the right side fixed mounting of motor rear end housing (1) has fan housing (2), the left side of fan housing (2) inner chamber is provided with fan braked wheel (3), the upper and lower both sides of fan housing (2) inner chamber all run through and are provided with screw (5), fixed mounting has adjustable nut (6) between screw (5) and fan housing (2), the right side joint of adjustable nut (6) inner chamber has tight adapter sleeve (7) that rises.

2. The tapered-rotor-motor brake tensioning sleeve locking nut as claimed in claim 1, wherein: the inner wall of the fan brake wheel (3) is provided with a brake ring (4), and the left side of the brake ring (4) is attached to the right side of the motor rear end cover (1).

3. The tapered-rotor-motor brake tensioning sleeve locking nut as claimed in claim 1, wherein: the tensioning connecting sleeve (7) is connected with the adjustable nut (6) through a tensioning screw.

4. The tapered-rotor-motor brake tensioning sleeve locking nut as claimed in claim 1, wherein: the motor is characterized in that a motor body is arranged on the left side of the motor rear end cover (1), and the motor rear end cover (1) is connected with the motor body through bolts.