CN217972117U

CN217972117U - Emergency brake device for elevator

Info

Publication number: CN217972117U
Application number: CN202222253207.2U
Authority: CN
Inventors: 王希亮
Original assignee: Qingdao Sanling Villa Elevator Equipment Co ltd
Current assignee: Qingdao Sanling Villa Elevator Equipment Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-06
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses an emergency braking device for an elevator, which relates to the technical field of elevator braking, and specifically comprises an installation box and a transmission shaft, wherein the transmission shaft is arranged on the installation box in a penetrating way, the installation box and the transmission shaft are fixedly installed through a bearing, two installation discs are symmetrically installed on the transmission shaft positioned in the installation box, and a plurality of latch teeth which are arranged at equal intervals are installed on the outer surface of each installation disc; two supporting shafts are arranged at the upper end and the lower end of the installation box and located on one side away from the transmission shaft, the two ends of each supporting shaft are installed on the inner wall of the installation box, the rotating seats and the supporting shafts are connected through bearings, and the two rotating seats are located in the installation disc respectively. The utility model discloses when using, after speed sensor detected the transmission shaft and exceeded the default, electric putter extension drove the bolt and extracted from the pinhole, like this under the effect of torsional spring, the terminal quick card of L type cardboard is in the latch for the transmission shaft is died by the card, and the card is fast extremely.

Description

Elevator emergency braking device

Technical Field

The utility model relates to an elevator braking technical field specifically is an elevator emergency braking device.

Background

The elevator is a necessary device of a high-rise building, a power device and a protection device of the elevator are mounted at the top of the elevator, after the elevator descends to reach a certain speed, a clamping block in a chuck can be thrown out under the action of centrifugal force to be clamped, however, the clamping block needs a certain speed in the mode, a large speed is generated in the descending process of the elevator, safety and psychology of passengers are affected, and therefore the elevator emergency braking device is provided.

SUMMERY OF THE UTILITY MODEL

For solving the deficiencies of the prior art, the utility model provides an elevator emergency braking device.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an emergency braking device for an elevator comprises an installation box and a transmission shaft, wherein the transmission shaft penetrates through the installation box, the installation box and the transmission shaft are fixedly installed through a bearing, two installation disks are symmetrically installed on the transmission shaft in the installation box, and a plurality of clamping teeth which are arranged at equal intervals are installed on the outer surfaces of the installation disks;

two support shafts are arranged at the upper end and the lower end of the installation box and positioned at one side far away from the transmission shaft, the two ends of each support shaft are both arranged on the inner wall of the installation box, a rotating seat is sleeved on each support shaft, the rotating seats are connected with the support shafts through bearings, and the two rotating seats are respectively positioned at the installation disc;

the opposite surfaces of the two rotating seats are connected with L-shaped clamping plates, the L-shaped clamping plates are located on one sides of the mounting disc, the tail ends of the L-shaped clamping plates can be clamped between the clamping teeth, and the middle parts of the outer sides of the L-shaped clamping plates are provided with driving arms; all the cover is equipped with the torsional spring on the back shaft that rotates the seat both sides, and the one end and the install bin wall connection of torsional spring, the other end of torsional spring are connected in the bottom of actuating arm, and under the drive of torsional spring, the end of L type cardboard all blocks between the latch.

Preferably, the top of the mounting box is provided with a sealing cover through bolts.

Preferably, two strip-shaped openings are formed in the side face of the installation box, the strip-shaped openings are located at the L-shaped clamping plates respectively, the driving arms extend out of the strip-shaped openings to the outer sides, and a pin hole is formed in the tail end of each driving arm;

the upper end and the lower end of the side surface of the installation box are respectively provided with an electric push rod, the two electric push rods are arranged oppositely, each electric push rod is installed in a fixed seat, the fixed seat is installed on the side surface of the installation box, and the tail end of each electric push rod is positioned at a driving arm;

the tail end of the electric push rod is connected with a connecting arm, the connecting arm is located on one side of the driving arm, a bolt penetrates through the bottom of the connecting arm, one end of the bolt is connected with a limiting head, and the other end of the bolt is inserted into the connecting arm and the pin hole.

Preferably, all be equipped with the supporting seat in the both sides of actuating arm, the both sides at the bar mouth are all installed to the supporting seat, and the bolt runs through the setting on two supporting seats.

Preferably, the side surface of the installation box is provided with a sealing box.

Preferably, a rotating speed sensor is installed on the transmission shaft and connected with a controller, and the controller is connected with the electric push rod through a data line.

Compared with the prior art, the utility model discloses when using, after speed sensor detected the transmission shaft and exceeded the default, electric putter extension drove the bolt and extracted from the pinhole, like this under the effect of torsional spring for the terminal quick card of every L type cardboard is in the latch, makes the transmission shaft dead by the card, and the response is rapid, and the card is fast extremely.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a complete structural schematic diagram of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

Fig. 4 is a second internal schematic view of the present invention.

Fig. 5 is a third internal schematic view of the present invention.

In the figure: 1. a drive shaft; 2. clamping teeth; 3. a rotating seat; 4. a torsion spring; 5. a drive arm; 6. a pin hole; 7. a support shaft; 8. an L-shaped clamping plate; 9. sealing the box; 10. mounting a disc; 11. buckling holes; 12. installing a box; 13. a strip-shaped opening; 14. a fixed seat; 15. an electric push rod; 16. a connecting arm; 17. a limiting head; 18. a bolt; 19. a sealing cover; 20. and (4) supporting the base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 to 5, the present invention provides a technical solution: an emergency braking device for an elevator comprises an installation box 12 and a transmission shaft 1, wherein the transmission shaft 1 penetrates through the installation box 12, the installation box 12 and the transmission shaft 1 are fixedly installed through a bearing, two installation disks 10 are symmetrically installed on the transmission shaft 1 located in the installation box 12, and a plurality of clamping teeth 2 which are arranged at equal intervals are installed on the outer surfaces of the installation disks 10;

two supporting shafts 7 are arranged at the upper end and the lower end of the installation box 12 and at one side far away from the transmission shaft 1, two ends of each supporting shaft 7 are arranged on the inner wall of the installation box 12, a rotating seat 3 is sleeved on each supporting shaft 7, the rotating seats 3 and the supporting shafts 7 are connected through bearings, and the two rotating seats 3 are respectively arranged at the installation disc 10;

the opposite surfaces of the two rotating seats 3 are both connected with an L-shaped clamping plate 8, the L-shaped clamping plates 8 are both positioned on one side of the mounting disc 10, the tail ends of the L-shaped clamping plates 8 can be clamped between the clamping teeth 2, and the middle parts of the outer sides of the L-shaped clamping plates 8 are both provided with driving arms 5; all the cover is equipped with torsional spring 4 on the back shaft 7 of rotating seat 3 both sides, and the one end and the 12 interior wall connections of install bin of torsional spring 4, and the bottom at actuating arm 5 is connected to the other end of torsional spring 4, and under the drive of torsional spring 4, the end of L type cardboard 8 all blocks between latch 2.

As shown in fig. 1, a seal cover 19 is mounted on the top of the mounting box 12 by bolts.

As shown in fig. 1, two strip-shaped openings 13 are formed in the side surface of the mounting box 12, the strip-shaped openings 13 are respectively located at the L-shaped snap-gauge 8, the driving arms 5 extend out of the strip-shaped openings 13, and a pin hole 6 is formed at the tail end of each driving arm 5;

the upper end and the lower end of the side surface of the installation box 12 are respectively provided with an electric push rod 15, the two electric push rods 15 are arranged oppositely, each electric push rod 15 is installed in a fixed seat 14, the fixed seat 14 is installed on the side surface of the installation box 12, and the tail end of each electric push rod 15 is positioned at the driving arm 5;

all be connected with linking arm 16 at electric putter 15's end, linking arm 16 is located one side of drive arm 5, run through in the bottom of linking arm 16 and be equipped with a bolt 18, spacing head 17 is connected to the one end of bolt 18, the other end is inserted in linking arm 16 and pinhole 6, install speed sensor on the transmission shaft 1, speed sensor can the slight speed change of perception, speed sensor and controller link to each other, controller and electric putter 15 link to each other through the data line, the controller is the circuit board, singlechip or PLC logic control ware.

Specifically, when the utility model is used, the pin hole 6 at the top of the driving arm 5 is aligned with the end of the connecting arm 16, as shown in fig. 2 and 3, in order to facilitate the breaking of the driving arm 5, a fastening hole 11 can be formed in the middle of the driving arm 5, and the fastening hole 11 can be pulled by a tool such as an iron hook;

then insert bolt 18 wherein for actuating arm 5 and linking arm 16 link to each other, because the limiting displacement of bolt, L type cardboard 8 can not return just, makes L type cardboard 8 and latch 2 be the detached state, and after speed sensor detected transmission shaft 1 and exceeded the default, electric putter 15 extended, drives bolt 18 and extracts from pinhole 6, like this under the effect of torsional spring, makes 8 terminal cards of every L type cardboard in latch 2, makes the transmission shaft dead by the card.

As shown in fig. 1, all be equipped with supporting seat 20 in the both sides of actuating arm 5, supporting seat 20 all installs the both sides at bar mouth 13, and bolt 18 runs through the setting on two supporting seats 20, for not letting the resilience dynamics of actuating arm 5 distort connecting arm 16, so the round pin axle 18 both ends are supported by supporting seat 20 for supporting seat 20 supports the round pin axle, lets connecting arm 16 can not receive the distortion power.

A sealing box 9 is mounted on the side surface of the mounting box 12, and covers and protects equipment such as a strip-shaped opening 13. Specifically, the utility model discloses a well install bin 12 is fixed on the bottom surface, installs moreover between steel cable winding reel and driving motor, and the steel cable is connected around the reel to the one end of transmission shaft 1 promptly, and the other end links to each other with driving motor.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but elevator emergency braking device, includes install bin (12) and transmission shaft (1), and transmission shaft (1) runs through the setting on install bin (12), and is fixed through the bearing installation between install bin (12) and transmission shaft (1), its characterized in that: two mounting discs (10) are symmetrically mounted on a transmission shaft (1) positioned in a mounting box (12), and a plurality of clamping teeth (2) which are arranged at equal intervals are mounted on the outer surface of each mounting disc (10);

two supporting shafts (7) are arranged at the upper end and the lower end of the installation box (12) and on one side far away from the transmission shaft (1), the two ends of each supporting shaft (7) are installed on the inner wall of the installation box (12), a rotating seat (3) is sleeved on each supporting shaft (7), the rotating seats (3) and the supporting shafts (7) are connected through bearings, and the two rotating seats (3) are respectively located on an installation disc (10);

the opposite surfaces of the two rotating seats (3) are connected with L-shaped clamping plates (8), the L-shaped clamping plates (8) are located on one side of the mounting disc (10), the tail ends of the L-shaped clamping plates (8) can be clamped between the clamping teeth (2), and driving arms (5) are mounted in the middles of the outer sides of the L-shaped clamping plates (8); all overlap on back shaft (7) of rotating seat (3) both sides and be equipped with torsional spring (4), the one end and install bin (12) inner wall connection of torsional spring (4), the bottom at actuating arm (5) is connected to the other end of torsional spring (4), and under the drive of torsional spring (4), the end of L type cardboard (8) all blocks in between latch (2).

2. The elevator emergency braking device according to claim 1, wherein: the top of the mounting box (12) is provided with a sealing cover (19) through bolts.

3. An elevator emergency braking apparatus according to claim 1, wherein: two strip-shaped openings (13) are formed in the side face of the mounting box (12), the strip-shaped openings (13) are respectively located at the L-shaped clamping plates (8), the driving arms (5) extend out of the strip-shaped openings (13), and pin holes (6) are formed in the tail ends of the driving arms (5);

electric push rods (15) are arranged at the upper end and the lower end of the side surface of the installation box (12), the two electric push rods (15) are arranged oppositely, each electric push rod (15) is installed in a fixed seat (14), the fixed seats (14) are installed on the side surface of the installation box (12), and the tail ends of the electric push rods (15) are located at the driving arms (5);

the tail end of the electric push rod (15) is connected with a connecting arm (16), the connecting arm (16) is located on one side of the driving arm (5), a bolt (18) penetrates through the bottom of the connecting arm (16), one end of the bolt (18) is connected with a limiting head (17), and the other end of the bolt is inserted into the connecting arm (16) and the pin hole (6).

4. An elevator emergency braking apparatus according to claim 3, wherein: both sides at actuating arm (5) all are equipped with supporting seat (20), and supporting seat (20) are all installed in the both sides of bar mouth (13), and bolt (18) run through the setting on two supporting seats (20).

5. An elevator emergency braking apparatus according to claim 1, wherein: the side surface of the installation box (12) is provided with a sealing box (9).

6. An elevator emergency braking apparatus according to claim 3, wherein: a rotating speed sensor is installed on the transmission shaft (1) and connected with a controller, and the controller is connected with the electric push rod (15) through a data line.