CN221093564U

CN221093564U - Elevator brake

Info

Publication number: CN221093564U
Application number: CN202322722846.3U
Authority: CN
Inventors: 许大甜; 钱启航; 蒙世雄; 张中页; 费瀚东
Original assignee: Zhejiang Mato Drive Equipment Co ltd
Current assignee: Zhejiang Mato Drive Equipment Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-06-07
Anticipated expiration: 2033-10-10

Abstract

The utility model provides an elevator brake, which relates to the technical field of elevators and comprises the following components: the friction disc, the limiting mechanism and the brake main body; the friction disc is in sliding connection with the main shaft, stop gear is used for limiting the movement path of friction disc, be provided with the friction disc in the stopper main part, the friction disc can be close to or keep away from the stopper main part, so that the stopper main part can lock the friction disc, be provided with drive assembly in the stopper main part, drive assembly is connected with the stopper main part, drive assembly is used for driving the relative stopper main part motion of friction disc, drive the friction disc through drive assembly and move in the stopper main part, avoid friction disc and stopper main part adhesion to cause the noise, simultaneously limit the movement path of friction disc through stop gear, avoid friction disc removal back to laminate with the stopper main part and produce the friction, the technical problem that the friction disc friction that exists in the prior art produced the noise has been alleviated, the operation process is more silent, the better technological effect of use impression.

Description

Elevator brake

Technical Field

The utility model relates to the technical field of elevators, in particular to an elevator brake.

Background

With the development of the elevator industry, the space requirements of people on an elevator shaft are more and more severe, with the gradual popularization of elevators in urban life and the improvement of living standard, the requirements of people on the running performance and service quality of the elevators are also improved, and the riding comfort is the first feeling of users on the performance and service quality of the elevators.

The proportion of elevator without machine room is continuously rising. In the elevator without machine room, the main machine is located above the hoistway, and when the elevator is started and stopped, the movable plate and the static plate move relatively, so that the friction plate is easy to rub against the movable plate or the static plate, the friction plate rubs out sound, the sound is easy to transfer into the elevator car, the riding experience of passengers is affected, especially the elevator with villas is quite quiet, and the noise requirement on the main machine is higher.

Disclosure of utility model

The utility model aims to provide an elevator brake so as to relieve the technical problem of noise generated by friction of friction plates in the prior art.

The utility model provides an elevator brake, comprising: the friction disc, the limiting mechanism and the brake main body;

The friction disc is in sliding connection with the main shaft, stop gear sets up one side of friction disc, stop gear sets up on the main shaft and with the main shaft is connected, stop gear is used for limiting the travel path of friction disc, be provided with in the stopper main part the friction disc, the friction disc can be close to or keep away from the stopper main part, so that the stopper main part can lock the friction disc, be provided with drive assembly in the stopper main part, drive assembly with the stopper main part is connected, drive assembly is used for the drive the friction disc is relative the stopper main part motion.

In an alternative embodiment, the friction disc is sleeved on the main shaft and is in sliding connection with the main shaft along the axial direction of the main shaft, and the friction disc is connected with the main shaft through a spline.

In an alternative embodiment, the limiting mechanism comprises a limiting ring and a bolt;

The limiting ring is sleeved on the main shaft, a through hole is formed in the limiting ring, the bolt penetrates through the through hole to be connected with the main shaft, and the limiting ring is used for being abutted to the friction disc.

In an alternative embodiment, the brake body includes a housing and a core;

The machine seat is arranged opposite to the iron core, the friction disc is arranged between the machine seat and the iron core, the machine seat is rotationally connected with the main shaft, and the iron core can move along the direction close to or far away from the friction disc.

In an alternative embodiment, the driving assembly is arranged in the iron core and connected with the iron core, and the driving assembly can drive the iron core and the friction disc to move away from the base.

In an alternative embodiment, the brake body further comprises an armature;

the armature is arranged at one end of the iron core, which is far away from the stand, and the armature is respectively connected with the iron core and the stand.

In an alternative embodiment, the device further comprises an elastic member;

the elastic piece is arranged on the iron core, two ends of the elastic piece are respectively abutted to the iron core and the armature, and the elastic piece has a movement trend that the iron core is far away from the armature.

In an alternative embodiment, the device further comprises a connecting piece;

The connecting piece is arranged on the armature and connected with the base, the connecting piece is connected with the iron core in a sliding mode, and the connecting piece can fix the armature.

In an alternative embodiment, the connector comprises a sleeve and a screw;

the screw rod passes through the armature and the iron core and is connected with the base, the sleeve is sleeved on the screw rod, two ends of the sleeve are respectively abutted to the armature and the iron core, and the sleeve is in sliding connection with the iron core.

In an alternative embodiment, the device further comprises a guide post; the guide post is arranged in a groove corresponding to the position between the armature and the iron core, the guide post is connected with the armature, and the guide post is in sliding connection with the iron core.

The utility model provides an elevator brake, comprising: the friction disc, the limiting mechanism and the brake main body; the friction disc is connected with the main shaft in a sliding manner, the limiting mechanism is arranged on one side of the friction disc, the limiting mechanism is arranged on the main shaft and connected with the main shaft, the limiting mechanism is used for limiting the moving path of the friction disc, the friction disc is arranged in the brake main body and can be close to or far away from the brake main body, so that the brake main body can lock the friction disc, a driving assembly is arranged in the brake main body and is connected with the brake main body, the driving assembly is used for driving the friction disc to move relative to the brake main body, the friction disc is driven to move in the brake main body through the driving assembly, noise caused by adhesion of the friction disc and the brake main body is avoided, meanwhile, the moving path of the friction disc is limited by the limiting mechanism, friction is generated by attaching the friction disc to the brake main body after the friction disc moves, the technical problem that noise is generated by friction of the friction disc in the prior art is relieved, the operation process is more mute, and the use feeling is better.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a cross-sectional view of an elevator brake provided by an embodiment of the present utility model;

Fig. 2 is a further cross-sectional view of an elevator brake provided by an embodiment of the utility model;

Fig. 3 is a schematic structural view of a stop collar of an elevator brake according to an embodiment of the present utility model.

Icon: 100-friction disc; 200-a limiting mechanism; 210-limiting rings; 220-bolts; 300-a brake body; 310-stand; 320-iron core; 330-armature; 400-elastic member; 500-connectors; 510-sleeve; 520-screw; 600-guiding columns; 700-a drive assembly; 800-main shaft.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Currently, the proportion of elevator without machine room is continuously rising. In the elevator without machine room, the host is located above the hoistway, and when the elevator is started and stopped, the movable plate and the static plate move relatively, so that the friction plate is easy to rub against the movable plate or the static plate, the friction plate rubs out sound, the sound is easy to transmit into the elevator car, and the riding experience of passengers is influenced.

In view of this, as shown in fig. 1 to 3, an elevator brake according to an embodiment of the present utility model includes: a friction disc 100, a stopper mechanism 200, and a brake main body 300; the friction disc 100 is slidably connected with the main shaft 800, the limiting mechanism 200 is arranged on one side of the friction disc 100, the limiting mechanism 200 is arranged on the main shaft 800 and is connected with the main shaft 800, the limiting mechanism 200 is used for limiting the moving path of the friction disc 100, the friction disc 100 is arranged in the brake main body 300, the friction disc 100 can be close to or far away from the brake main body 300 so that the brake main body 300 can lock the friction disc 100, the driving assembly 700 is arranged in the brake main body 300, the driving assembly 700 is connected with the brake main body 300, the driving assembly 700 is used for driving the friction disc 100 to move relative to the brake main body 300, the friction disc 100 is driven to move in the brake main body 300 through the driving assembly 700, noise caused by adhesion between the friction disc 100 and the brake main body 300 is avoided, meanwhile, the moving path of the friction disc 100 is limited, friction is generated due to adhesion between the friction disc 100 and the brake main body 300 after the movement, the technical problem that noise is generated due to friction of friction discs in the prior art is solved, the operation process is more mute, and better using effect is achieved.

Regarding the structure and shape of the friction plate 100 and the stopper mechanism 200, specific ones are:

The friction disc 100 can mainly be made of metal materials capable of being magnetically attracted, such as iron, the friction disc 100 is circular, an abrasion-resistant friction material is arranged at the outer ring position of the friction disc 100, the friction disc 100 can be sleeved on the main shaft 800 through a spline and is in sliding connection with the main shaft 800 along the axial direction of the main shaft 800, so that the friction disc 100 can rotate relative to the main shaft 800, an electromagnet can be adopted as a driving assembly 700, when the driving assembly 700 is driven, the friction disc 100 can be attracted by the driving assembly 700 to move close to the driving assembly 700 along the groove direction of the spline, the limiting mechanism 200 can be made of metal materials such as aluminum alloy, the limiting mechanism 200 comprises a limiting ring 210 and a bolt 220, the limiting ring 210 is sleeved on the main shaft 800, a through hole is formed in an oval shape, the length direction of the through hole extends along the circumferential direction of the limiting ring 210, a threaded hole is correspondingly formed in the main shaft 800, when the limiting ring 210 is sleeved on the main shaft 800, the through hole corresponds to the threaded hole, the threaded hole is connected with the threaded hole through the bolt 220 through the threaded hole on the main shaft 800, so that the limiting ring 210 is connected with the threaded hole on the main shaft, when the limiting ring 700 is connected with the driving assembly, the driving assembly 700, and the friction disc 100 is enabled to be stably contacted with the friction disc 100, and the friction disc 300 is prevented from rotating against the main shaft 100, and the friction disc 100 when the friction disc 100 is contacted with the main body 100, and the friction disc 300.

Regarding the structure and shape of the brake body 300, specific ones are:

The brake main body 300 includes a housing 310, an iron core 320 and an armature 330, wherein the iron core 320 is disposed between the housing 310 and the armature 330, the iron core 320 can reciprocate between the housing 310 and the armature 330, i.e., the iron core 320 can move in a direction approaching the armature 330 and moving away from the armature 330, wherein the housing 310 and the armature 330 are connected by a connecting member 500, and the connecting member 500 includes a sleeve 510 and a screw 520, the screw 520 passes through the armature 330 and the iron core 320 through a side of the armature 330, which is far from the housing 310, and is then screwed with the housing 310, the screw 520 is sleeved with the sleeve 510, the sleeve 510 is cylindrical and hollow, both ends of the sleeve 510 are respectively abutted against the armature 330 and the housing 310 and fixed by the screw 520, so that the iron core 320 can slide along a surface of the sleeve 510, further, a groove with an opening toward the armature 330 is disposed on the iron core 320, and the elastic member 400 is disposed in the groove, the elastic member 400 may be provided with a plurality of elastic members 400 uniformly arranged along the surface of the iron core 320, the elastic member 400 may employ a spring, the elastic member 400 has a movement trend of moving the iron core 320 away from the armature 330, under the condition that the driving assembly 700 does not work, the elastic member 400 may drive the iron core 320 to move toward the direction close to the stand 310, at this time, the iron core 320 presses the friction disc 100 and abuts against the stand 310, at this time, since the iron core 320 and the left and right sides of the stand 310 press the friction disc 100, the friction disc 100 is prevented from rotating relative to the stand 310, thereby locking the friction disc 100, and the spindle 800 is rotatably connected with the base through a bearing, thereby locking the spindle 800, preventing the spindle 800 from rotating, wherein one side of the armature 330 close to the spindle 800 is provided with a guide post 600, the guide posts 600 may be provided with a plurality of guide posts 600 uniformly arranged along the surface of the armature 330, the guide post 600 is in threaded connection with the armature 330, the guide posts 600 are arranged perpendicular to the surface of the armature 330, the guide posts 600 can be cylindrical, guide surfaces are arranged in the direction away from the armature 330, so that the diameters of the guide posts 600 are gradually decreased along the direction away from the armature 330, and correspondingly, grooves corresponding to the guide posts 600 are formed in the iron core 320, so that the guide posts 600 can extend into the grooves, the movement track of the armature 330 is more determined, and the armature 330 is prevented from being blocked.

In the actual movement process, when the main shaft 800 needs to be loosened, the driving assembly 700 starts to be electrified and attracts the armature 330 so that the iron core 320 approaches and approaches the armature 330 against the elastic force of the elastic piece 400, then the friction disc 100 is attracted by the driving assembly 700 and moves close to the iron core 320, and after the friction disc 100 moves for a certain distance, the friction disc 100 is blocked by the limiting ring 210 so as to keep a distance between the friction disc 100 and the iron core 320, and the friction disc 100 is ensured not to contact with the iron core 320 and the stand 310; when the main shaft 800 needs to be locked, the driving assembly 700 starts to be powered off, and at this time, the iron core 320 is driven by the elastic member 400 to approach the friction disc 100 and push the friction disc 100 to abut against the stand 310, and the friction disc 100 is pressed under the action of the elastic member 400, so that the rotation of the friction disc 100 is avoided, and the main shaft 800 is locked through the spline, so that the rotation of the main shaft 800 is avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. An elevator brake for controlling rotation of a main shaft (800), comprising: a friction plate (100), a limit mechanism (200), and a brake main body (300);

The friction disc (100) is in sliding connection with the main shaft (800), the limiting mechanism (200) is arranged on one side of the friction disc (100), the limiting mechanism (200) is arranged on the main shaft (800) and connected with the main shaft (800), the limiting mechanism (200) is used for limiting the moving path of the friction disc (100), the friction disc (100) is arranged in the brake main body (300), the friction disc (100) can be close to or far away from the brake main body (300), so that the brake main body (300) can lock the friction disc (100), a driving assembly (700) is arranged in the brake main body (300), the driving assembly (700) is connected with the brake main body (300), and the driving assembly (700) is used for driving the friction disc (100) to move relative to the brake main body (300).

2. Elevator brake according to claim 1, characterized in that the friction disc (100) is fitted over the main shaft (800) and slidingly connected with respect to the main shaft (800) in the axial direction of the main shaft (800), the friction disc (100) being connected with the main shaft (800) by means of splines.

3. The elevator brake of claim 1, wherein the limit mechanism (200) comprises a limit ring (210) and a bolt (220);

The limiting ring (210) is sleeved on the main shaft (800), a through hole is formed in the limiting ring (210), the bolt (220) penetrates through the through hole to be connected with the main shaft (800), and the limiting ring (210) is used for being abutted against the friction disc (100).

4. The elevator brake of claim 1, wherein the brake body (300) comprises a housing (310) and a core (320);

The machine seat (310) and the iron core (320) are oppositely arranged, the friction disc (100) is arranged between the machine seat (310) and the iron core (320), the machine seat (310) is rotationally connected with the main shaft (800), and the iron core (320) can move along the direction close to or far away from the friction disc (100).

5. The elevator brake of claim 4, wherein the drive assembly (700) is disposed within the core (320) and is coupled to the core (320), the drive assembly (700) being capable of driving the core (320) and the friction disc (100) away from the housing (310).

6. The elevator brake of claim 4, further comprising an armature (330);

The armature (330) is arranged at one end of the iron core (320) away from the base (310), and the armature (330) is respectively connected with the iron core (320) and the base (310).

7. The elevator brake of claim 6, further comprising an elastic member (400);

the elastic piece (400) is arranged on the iron core (320), two ends of the elastic piece (400) are respectively abutted against the iron core (320) and the armature (330), and the elastic piece (400) has a movement trend that the iron core (320) is far away from the armature (330).

8. The elevator brake of claim 7, wherein the brake body (300) further comprises a connector (500);

The connecting piece (500) is arranged on the armature (330) and is connected with the base (310), the connecting piece (500) is in sliding connection with the iron core (320), and the connecting piece (500) can fix the armature (330).

9. The elevator brake of claim 8, wherein the connector (500) comprises a sleeve (510) and a screw (520);

The screw rod (520) passes through the armature (330) and the iron core (320) and is connected with the base (310), the sleeve (510) is sleeved on the screw rod (520), two ends of the sleeve (510) are respectively abutted with the armature (330) and the iron core (320), and the sleeve (510) is in sliding connection with the iron core (320).

10. The elevator brake of claim 6, further comprising a guide post (600); the guide post (600) is arranged in a groove corresponding to the position between the armature (330) and the iron core (320), the guide post (600) is connected with the armature (330), and the guide post (600) is in sliding connection with the iron core (320).