CN216382312U

CN216382312U - Elevator band-type brake structure

Info

Publication number: CN216382312U
Application number: CN202123103158.6U
Authority: CN
Inventors: 禹世源
Original assignee: Suzhou Emk Electronics Co ltd
Current assignee: Suzhou Emk Electronics Co ltd
Priority date: 2021-12-11
Filing date: 2021-12-11
Publication date: 2022-04-26
Anticipated expiration: 2031-12-11

Abstract

The utility model discloses an elevator band-type brake structure which comprises a fixed seat, a supporting unit and a braking unit, wherein the fixed seat is fixedly connected with the supporting unit; the front side of the upper end of the fixed seat is provided with a brake unit; the supporting unit includes L type support, coil stopper, connecting seat, coupling nut, connecting rod and spacing piece, the upper end rear side of fixing base is equipped with a pair of L type support, and both ends about the relative one end upside difference fixed connection coil stopper of two L type supports, the slide has been seted up to the lower extreme of coil stopper, one side of the connecting seat of both sides is connected through two dead levers to the coil stopper, and the connecting seat is equipped with two, and coupling nut of the outer end difference fixed connection of two connecting seats, the screw thread of coupling nut threaded connection connecting rod one end, the holistic intensity of its structural design is higher, and in use can utilize time still less to maintain and maintain, and more convenient to the change of braking structure, has promoted the efficiency that the elevator was maintained, has reduced the amount of labour.

Description

Elevator band-type brake structure

Technical Field

The utility model relates to the technical field of elevator safety, in particular to an elevator band-type brake structure.

Background

A band-type brake is an electromechanical device that prevents the elevator from moving again when the elevator car is stationary and the motor is in a power-off state. In some forms of control it brakes the elevator when the motor is de-energized. The control mode of the device is that the band-type brake is loosened when power is on and is tightly held when power is off.

The patent with publication number CN205170259U discloses an elevator band-type brake structure among the prior art, including band-type brake wheel, built-in coil's stopper, ejector pin, the band-type brake arm of distribution in the stopper both sides, be provided with the brake shoe between band-type brake arm and the band-type brake wheel, the bottom of band-type brake arm is provided with the eccentric shaft, the stopper embeds there is the sleeve pipe, the sleeve pipe embeds there is the ball, the ejector pin stretches into in the sleeve pipe of stopper.

The strength of the whole structural design is not high enough, more time needs to be paid for maintenance in use, the brake structure is not convenient to replace, the elevator maintenance efficiency is reduced, the labor capacity is increased, and therefore the elevator band-type brake structure is provided.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects and provide an elevator band-type brake structure, which has higher overall strength, can be maintained and maintained in use in less time, is more convenient to replace a brake structure, improves the elevator maintenance efficiency, reduces the labor capacity and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an elevator band-type brake structure comprises a fixed seat, a supporting unit and a braking unit;

fixing a base: the front side of the upper end of the brake unit is provided with a brake unit;

a support unit: include L type support, coil stopper, connecting seat, coupling nut, connecting rod and spacing piece, the upper end rear side of fixing base is equipped with a pair of L type support, and both ends about the relative one end upside difference fixed connection coil stopper of two L type supports, the slide has been seted up to the lower extreme of coil stopper, one side of the connecting seat of both sides is connected through two dead levers to the coil stopper, and the connecting seat is equipped with two, and coupling nut of the outer end difference fixed connection of two connecting seats, the screw thread of coupling nut threaded connection connecting rod one end, the outer end of connecting rod is equipped with a spacing piece.

The fixing base is fixed in the elevator shaft, supports overall structure and promotes job stabilization nature, and the position of L type support fixed coil stopper is opened the coil stopper during operation, opens and shuts through connecting seat control connecting rod, and coupling nut promotes the connection stability of connecting rod, and spacing piece prevents the displacement of activity in-process brake unit, promotes job stabilization nature.

Further, the supporting unit still includes spring and band-type brake arm, the peripheral swing joint round hole of band-type brake arm upper end of connecting rod, the spring has been cup jointed to the periphery of connecting rod between spacing piece and the band-type brake arm. The spring control band-type brake arm and the position between the spacing pieces, when carrying out the mergence of band-type brake arm, two connecting rods are close to further compress the spring completely through spacing pieces, fix the relative position of band-type brake arm, promote braking stability.

Further, the brake unit includes fixed block, round pin axle, arc stationary blade, locating piece, spacing bolt and brake shoe, the upper end front side of fixing base is equipped with a pair of fixed block, the periphery of round slot joint round pin axle on the fixed block, the card hole of the other end joint L type support front end downside of round pin axle, the round hole of the peripheral swing joint contracting brake arm lower extreme of round pin axle, the inner wall of contracting brake arm is equipped with the arc stationary blade, both ends are equipped with a pair of locating piece respectively around the arc stationary blade, and the front end of locating piece set up threaded hole, the screw hole that corresponds the locating piece screw hole is seted up at both ends around the contracting brake arm, and every spacing bolt of screw hole threaded connection, the inner wall of arc stationary blade is equipped with the brake shoe. When carrying out the switching of contracting brake arm, contracting brake arm carries out the position through the round pin axle on the fixed block and prescribes a limit to, keeps the activity stability, and the arc stationary blade passes through locating piece connection contracting brake arm to use spacing bolt to carry on spacingly, promote the change of being convenient for when connecting stability, when braking, the brake shoe on the arc stationary blade carries out main braking operation, increase frictional force.

Further, still include the pin, the pinhole of corresponding circumference array is seted up respectively to the inner wall of arc stationary blade and brake shoe, and every pin of every pinhole joint. The pin increases the connection stability of brake shoe and arc stationary blade, and the pinhole outside on the brake shoe is the expansion hole, buries the terminal surface of pin in the brake shoe, prevents that the pin from contacting inner structure.

Furthermore, the device also comprises a supporting seat, wherein the supporting seat is arranged at the center of the upper end of the fixing seat, and the upper end of the supporting seat is arc-shaped. The supporting seat promotes the connection stability of structure.

Furthermore, the brake device further comprises a brake contracting wheel, one side of the brake contracting wheel is connected in an arc-shaped groove at the upper end of the supporting seat in a sliding mode, and a fixed shaft is arranged at the center of the front end of the brake contracting wheel. The fixed shaft on the brake wheel is connected with an external structure to realize the braking function.

Compared with the prior art, the utility model has the beneficial effects that: this elevator band-type brake structure has following benefit:

1. the elevator band-type brake structure is provided with the braking unit capable of flexibly clamping and braking, and can perform deceleration or locking actions according to different conditions, so that the stability and the safety of elevator operation are improved;

2. according to the elevator band-type brake structure, the brake unit is fixed through various fixing mechanisms, so that the overall structural strength is improved, meanwhile, the brake shoe is convenient to replace after long-time use, and the use convenience is improved;

3. this elevator band-type brake structure, the holistic intensity of its structural design is higher, and in use can utilize less time to maintain and maintain, and is more convenient to the change of braking structure, has promoted the efficiency that the elevator was maintained, has reduced the amount of labour.

Drawings

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

FIG. 2 is a schematic side view of a portion of the present invention.

In the figure: the brake device comprises a fixed seat 1, a supporting unit 2, a 21L-shaped support, a coil brake 22, a connecting seat 23, a connecting nut 24, a connecting rod 25, a limiting piece 26, a spring 27, a brake-holding arm 28, a brake unit 3, a fixing block 31, a pin shaft 32, an arc-shaped fixing piece 33, a positioning block 34, a limiting bolt 35, a brake shoe 36, a pin 4, a supporting seat 5 and a brake-holding wheel 6.

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.

Referring to fig. 1-2, the present embodiment provides a technical solution: an elevator band-type brake structure comprises a fixed seat 1, a supporting unit 2 and a braking unit 3;

fixing base 1: the front side of the upper end of the brake unit 3 is provided with the brake unit;

braking unit 3 includes fixed block 31, round pin axle 32, arc stationary blade 33, locating piece 34, stop bolt 35 and brake shoe 36, the upper end front side of fixing base 1 is equipped with a pair of fixed block 31, the periphery of round slot joint round pin axle 32 on the fixed block 31, the other end joint L type support 21 front end downside's of round pin axle 32 card hole, the peripheral swing joint circular hole of contracting brake arm 28 lower extreme of round pin axle 32, the inner wall of contracting brake arm 28 is equipped with arc stationary blade 33, both ends are equipped with a pair of locating piece 34 respectively around the arc stationary blade 33, and the front end of locating piece 34 seted up the screw hole, the screw hole that corresponds locating piece 34 screw hole is seted up at both ends around the contracting brake arm 28, and every stop bolt 35 to screw hole threaded connection, the inner wall of arc stationary blade 33 is equipped with brake shoe 36. When carrying out the opening and shutting of band-type brake arm 28, band-type brake arm 28 carries out the position through round pin axle 32 on the fixed block 31 and prescribes a limit to, keeps the activity stability, and arc stationary blade 33 passes through locating piece 34 and connects band-type brake arm 28 to use spacing bolt 35 to carry on spacingly, promote the change of being convenient for when connecting stability, when braking, brake shoe 36 on the arc stationary blade 33 carries out main braking operation, increase frictional force.

The supporting unit 2: include L type support 21, coil brake 22, connecting seat 23, coupling nut 24, connecting rod 25 and spacing piece 26, the upper end rear side of fixing base 1 is equipped with a pair of L type support 21, both ends about two L type support 21's relative one end upside difference fixed connection coil brake 22, the slide has been seted up to coil brake 22's lower extreme, coil brake 22 connects one side of the connecting seat 23 of both sides through two dead levers, connecting seat 23 is equipped with two, and coupling nut 24 of two connecting seat 23's outer end difference fixed connection, the screw thread of coupling nut 24 threaded connection connecting rod 25 one end, the outer end of connecting rod 25 is equipped with a spacing piece 26.

Fixing base 1 is fixed in the elevator shaft, supports overall structure and promotes job stabilization nature, and the position of L type support 21 fixed coil stopper 22 is opened coil stopper 22 during operation, opens and shuts through connecting seat 23 control connecting rod 25, and coupling nut 24 promotes the connection stability of connecting rod 25, and spacing piece 26 prevents the displacement of activity in-process brake unit 3, promotes job stabilization nature.

The supporting unit 2 further comprises a spring 27 and a band-type brake arm 28, the periphery of the connecting rod 25 is movably connected with a round hole at the upper end of the band-type brake arm 28, and the spring 27 is sleeved between the limiting piece 26 and the band-type brake arm 28 on the periphery of the connecting rod 25. The spring 27 controls the position between the contracting brake arm 28 and the limiting piece 26, when the contracting brake arm 28 is combined, the two connecting rods 25 are close to each other, the spring 27 is further completely compressed through the limiting piece 26, the relative position of the contracting brake arm 28 is fixed, and the braking stability is improved.

The brake shoe further comprises pins 4, the inner walls of the arc-shaped fixing pieces 33 and the brake shoe 36 are respectively provided with corresponding pin holes in a circumferential array, and each pair of pin holes is clamped with one pin 4. The pin 4 increases the connection stability of the brake shoe 36 and the arc-shaped fixing piece 33, and the outer side of the pin hole on the brake shoe 36 is an expansion hole, so that the end face of the pin 4 is buried in the brake shoe 36, and the pin 4 is prevented from contacting an internal structure.

Still include supporting seat 5, the upper end center of fixing base 1 is equipped with supporting seat 5, and the upper end of supporting seat 5 is arc. The support base 5 promotes the connection stability of the structure.

Still include band-type brake wheel 6, sliding connection band-type brake wheel 6's one side in the upper end arc wall of supporting seat 5, and the front end center of band-type brake wheel 6 is equipped with the fixed axle. The fixed shaft on the brake wheel 6 is connected with an external structure to realize the braking function.

The working principle of the elevator band-type brake structure provided by the utility model is as follows: when the structure is used, firstly, the fixing seat 1 is installed in an elevator shaft, the whole structure is supported, the working stability is improved, the position of the coil brake 22 is fixed by the L-shaped support 21, one side of the contracting brake wheel 6 is supported by the arc-shaped surface of the supporting seat 5, the rotation stability of the structure is improved, the fixing shaft on the brake wheel 6 is connected with an external structure, when the elevator normally moves, the coil brake 22 is electrified, the position of the coil brake 22 is fixed by the L-shaped support 21, the connecting rod 25 is controlled to be opened and closed by the connecting seat 23, the connecting stability of the connecting rod 25 is improved by the connecting nut 24, the limiting piece 26 prevents the displacement of the brake unit 3 in the moving process, the operation stability is improved, the contracting brake arm 28 is limited in position by the pin shaft 32 on the fixing block 31, the moving stability is kept, the arc-shaped fixing piece 33 is connected with the contracting brake arm 28 by the positioning block 34, the limiting bolt 35 is used for limiting, the replacement is convenient when the connection stability is improved, the spring 27 controls the position between the contracting brake arm 28 and the limiting piece 26, when braking, the brake shoe 36 on the arc-shaped fixing piece 33 performs main braking operation, after the friction force is increased, the spring 27 is completely compressed through the limiting piece 26, the relative position of the contracting brake arm 28 is fixed, then the inner wall of the brake shoe 36 is completely contacted with the surface of the contracting brake wheel 6, the accurate speed reduction or braking function is realized, the pin 4 is utilized to increase the connection stability of the brake shoe 36 and the arc-shaped fixing piece 33, the outer side of a pin hole on the brake shoe 36 is an expanding hole, the end face of the pin 4 is buried in the brake shoe 36, the pin 4 is prevented from contacting the contracting brake wheel 6, and the whole structure is used completely.

It should be noted that the core chip of the control switch set disclosed in the above embodiments is a PLC single chip, the specific model is mitsubishi FX3GA-60MT-CM, and the coil brake 22 can be freely configured according to the actual application scenario. The control switch sets control the operation of the coil brakes 22 in a manner commonly used in the art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an elevator band-type brake structure which characterized in that: comprises a fixed seat (1), a supporting unit (2) and a braking unit (3);

fixing base (1): the front side of the upper end of the brake unit is provided with a brake unit (3);

support unit (2): comprises an L-shaped bracket (21), a coil brake (22), a connecting seat (23), a connecting nut (24), a connecting rod (25) and a limiting sheet (26), a pair of L-shaped brackets (21) are arranged at the rear side of the upper end of the fixed seat (1), the upper sides of the opposite ends of the two L-shaped brackets (21) are respectively and fixedly connected with the left end and the right end of the coil brake (22), the lower end of the coil brake (22) is provided with a slideway, the coil brake (22) is connected with one side of the connecting seats (23) at two sides through two fixed rods, two connecting seats (23) are arranged, and the outer ends of the two connecting seats (23) are respectively fixedly connected with a connecting nut (24), the connecting nut (24) is in threaded connection with the thread at one end of the connecting rod (25), the outer end of the connecting rod (25) is provided with a limiting piece (26), and the input end of the coil brake (22) is electrically connected with the output end of an external power supply through an external control switch group.

2. The elevator brake structure according to claim 1, characterized in that: support element (2) still include spring (27) and band-type brake arm (28), the round hole of the peripheral swing joint band-type brake arm (28) upper end of connecting rod (25), spring (27) have been cup jointed between the periphery of connecting rod (25) is located spacing piece (26) and band-type brake arm (28).

3. The elevator brake structure according to claim 1, characterized in that: the brake unit (3) comprises a fixed block (31), a pin shaft (32), an arc-shaped fixed piece (33), a positioning block (34), a limiting bolt (35) and a brake shoe (36), wherein the front side of the upper end of the fixed seat (1) is provided with a pair of fixed blocks (31), the fixed blocks (31) are connected with the periphery of the pin shaft (32) in a clamping way through a circular groove, the other end of the pin shaft (32) is connected with a clamping hole on the lower side of the front end of the L-shaped support (21), the periphery of the pin shaft (32) is movably connected with a circular hole at the lower end of a brake holding arm (28), the inner wall of the brake holding arm (28) is provided with the arc-shaped fixed piece (33), the front end and the rear end of the arc-shaped fixed piece (33) are respectively provided with a pair of positioning blocks (34), the front end of the positioning blocks (34) are provided with threaded holes corresponding to the threaded holes of the brake holding arm (28), and each pair of the limiting bolt (35) is in threaded connection with the threaded holes, and a brake shoe (36) is arranged on the inner wall of the arc-shaped fixing piece (33).

4. The elevator brake structure according to claim 3, wherein: still include pin (4), the pinhole of corresponding circumference array is seted up respectively to the inner wall of arc stationary blade (33) and brake shoe (36), and every pin (4) of pinhole joint.

5. The elevator brake structure according to claim 1, characterized in that: the support is characterized by further comprising a support seat (5), wherein the support seat (5) is arranged at the center of the upper end of the fixing seat (1), and the upper end of the support seat (5) is arc-shaped.

6. The elevator brake structure according to claim 5, wherein: still include band-type brake wheel (6), sliding connection band-type brake wheel (6)'s one side in the upper end arc wall of supporting seat (5), and the front end center of band-type brake wheel (6) is equipped with the fixed axle.