CN217756375U

CN217756375U - Bidirectional anti-falling device of elevator

Info

Publication number: CN217756375U
Application number: CN202221816414.8U
Authority: CN
Inventors: 尹鹏; 吴尚兵; 闫智捷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-08
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to the technical field of anti-falling devices, and discloses a bidirectional anti-falling device of an elevator, which comprises a main body component; the elevator body is provided with a driving assembly; the groove body is formed in the front surface of the elevator shaft, the inner side walls of the groove body are symmetrically connected with the fixed blocks in a sliding mode, the fixed seats are symmetrically arranged at the bottom of the groove body, and the inner side walls of the two fixed seats are rotatably connected with the stud bolts; when the elevator body falls rapidly, through control button, open the motor, make two fixed blocks follow elevator body both sides roll-off respectively, and contact the back with two brake pads respectively, play the protection of preventing falling to the elevator body, when the elevator body rises rapidly, repeat above-mentioned step, accomplish and carried out two-way protection of preventing falling to the elevator body, improve the security of device, and contact the back at fixed block and brake pads, the collision of production can not transmit to stud and motor on, improve the life of device, and the use is simple, and convenient to use.

Description

Bidirectional anti-falling device of elevator

Technical Field

The utility model relates to a technical field of anti-falling device specifically is a two-way anti-falling device of elevator.

Background

The elevator is a permanent transportation device which serves a plurality of specific floors in a building, a car of the elevator runs on at least two rows of rigid rails which are perpendicular to the horizontal plane or have an inclination angle smaller than 15 degrees with a plumb line, a common anti-falling protection device for a motor mainly comprises a speed limiter, safety tongs, a buffer at the bottom of a hoistway, and the like, but when any one of the protection devices relieves errors or components are failed, the whole anti-falling system is possibly broken down, some elevators are driven by a motor or an air cylinder through arranging a brake block in an elevator shaft, and the sleeve or a lock pin is clamped with the brake block in a motor or air cylinder driving mode to brake the elevator, but the elevator generates larger force due to self gravity and inertia in the falling process, the impact force or the direct impact between the sleeve or the lock pin and the brake block, and the sleeve or the lock pin is greatly impacted to transmit the force into a screw rod or even the motor or the air cylinder, so that a certain degree of damage is caused to a driving device, even the normal use is influenced, certain economic loss is caused, and inconvenience is brought to the use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art's not enough, the utility model provides a two-way anti-falling device of elevator possesses two-way anti-falling's advantage, has solved current elevator and has not possessed the better two-way problem of preventing falling protect function.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: a bidirectional anti-falling device of an elevator comprises a main body assembly;

the main body assembly comprises an elevator shaft, an elevator body, a steel wire rope and a brake block; the elevator body is arranged in the elevator shaft, the steel wire rope is arranged at the top of the elevator body, a plurality of brake blocks are symmetrically arranged on the inner side wall of the elevator shaft, and a driving assembly is arranged on the elevator body;

the driving assembly comprises a groove body, a fixing block, a fixing seat, a stud bolt, a first sliding block, a motor, a bevel gear and a control button; the elevator shaft front surface has been seted up the cell body, the symmetrical sliding connection of cell body inside wall the fixed block, cell body bottom symmetry is provided with the fixing base, two the fixing base inside wall rotates to be connected stud, stud lateral wall symmetry is provided with slider one, two slider one all imbeds the elevator body, the cell body bottom is provided with the motor, the motor output end with the stud lateral wall all is provided with bevel gear, two bevel gear meshes mutually, elevator body inside wall is provided with control button, be provided with the battery in the cell body.

Preferably, the following components: the drive assembly further comprises a housing; the shell is arranged on the inner side wall of the elevator body.

Preferably: the distance between the back surfaces of the two fixed blocks and the inner side wall of the elevator shaft is the same.

Preferably, the following components: the brake block is provided with a buffer assembly; the buffer assembly comprises a first gasket and a second gasket; and the top of each brake block is provided with the first gasket, and the bottom of each brake block is provided with the second gasket.

Preferably: the buffer assembly further comprises a third gasket; and the top and the bottom of each fixed block are provided with a third gasket.

Preferably, the following components: the opposite surfaces of the two fixed blocks are provided with dismounting components; the disassembling component comprises a limiting block, a sliding groove and a second sliding block; two the fixed block looks is to the face all being provided with the stopper, two the stopper looks back has all been seted up the spout, two the fixed block looks back all is provided with slider two, two slider two imbeds respectively two the spout.

Preferably, the following components: the second sliding block is a dovetail block, and the sliding groove is a dovetail groove.

Preferably: and an alarm device is arranged on the inner side wall of the elevator body.

(III) advantageous effects

Compared with the prior art, the utility model provides a two-way anti-falling device of elevator possesses following beneficial effect:

the utility model discloses possess two-way advantage of preventing falling, when the elevator body falls rapidly, through control button, open the motor, make two fixed blocks follow elevator body both sides roll-off respectively, and contact the back with two brake pads respectively, play the protection of preventing falling to the elevator body, when the elevator body rises rapidly, repeat above-mentioned step, accomplish to carry out two-way protection of preventing falling to the elevator body, the security of improving device, and contact the back at fixed block and brake pads, the collision of production can not transmit to stud and motor on, the life of improving device, the use is simple, convenient to use, the problem of current elevator does not possess better two-way protection function of preventing falling has been solved.

Drawings

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

fig. 2 is a schematic diagram of a partial enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a body assembly; 11. an elevator shaft; 12. an elevator body; 13. a wire rope; 14. a brake pad;

2. a drive assembly; 21. a tank body; 22. a fixed block; 23. a fixed seat; 24. a stud bolt; 25. a first sliding block; 26. a motor; 27. a bevel gear; 28. a control button; 281. a housing;

3. a buffer assembly; 31. a first gasket; 32. a second gasket; 33. a third gasket;

4. disassembling the assembly; 41. a limiting block; 42. a chute; 43. a second sliding block;

5. and an alarm device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example one

A bidirectional anti-falling device of an elevator comprises a main body assembly 1; the main body assembly 1 comprises an elevator shaft 11, an elevator body 12, a steel wire rope 13 and a brake block 14; the elevator body 12 is arranged in the elevator shaft 11, the steel wire rope 13 is arranged at the top of the elevator body 12, a plurality of brake blocks 14 are symmetrically arranged on the inner side wall of the elevator shaft 11, and the driving assembly 2 is arranged on the elevator body 12;

the driving assembly 2 comprises a groove body 21, a fixing block 22, a fixing seat 23, a stud bolt 24, a first sliding block 25, a motor 26, a bevel gear 27 and a control button 28; the groove body 21 is formed in the front surface of the elevator shaft 11, the inner side wall of the groove body 21 is symmetrically and slidably connected with the fixed block 22, the fixed blocks 23 are symmetrically arranged at the bottom of the groove body 21, the inner side walls of the two fixed blocks 23 are rotatably connected with the stud bolts 24, the outer side wall of the stud bolt 24 is symmetrically provided with the first sliding blocks 25, the two first sliding blocks 25 are both embedded into the elevator body 12, the motor 26 is arranged at the bottom of the groove body 21, the bevel gears 27 are arranged at the output end of the motor 26 and the outer side wall of the stud bolt 24, the two bevel gears 27 are meshed with each other, the control button 28 is arranged on the inner side wall of the elevator body 12, and a battery is arranged in the groove body 21; the drive assembly 2 further comprises a housing 281; the shell 281 is arranged on the inner side wall of the elevator body 12; the distance between the back surfaces of the two fixed blocks 22 and the inner side wall of the elevator shaft 11 is the same; and an alarm device 5 is arranged on the inner side wall of the elevator body 12.

Referring to fig. 1-2, in use, the steel wire rope 13 pulls the elevator body 12 to ascend or descend through the driving system, when the elevator body 12 falls rapidly due to failure or failure of the elevator driving system, a person in the elevator body 12 can press the control button 28 to enable the battery in the groove body 21 to supply power to the motor 26, the output end of the motor 26 is in meshing transmission through the bevel gear 27 to drive the stud 24 to rotate, the stud 24 rotates and simultaneously drives the two sliders 25 to slide towards opposite sides, the sliders 25 are embedded into the top of the elevator body 12 to limit the lateral sliding of the sliders 25, the sliders 25 slide and simultaneously push the two fixing blocks 22 to slide out from two sides of the elevator body 12, so that the two fixing blocks 22 respectively contact with the two brake blocks 14 to limit the elevator body 12 and prevent the elevator body 12 from sliding downwards continuously to play a role, if the elevator body 12 rises rapidly due to the fixation of the driving system, the steps are repeated, the tops of the two fixing blocks 22 respectively contact with the bottoms of the two fixing blocks 14 to limit the elevator body 12 and prevent the elevator body 12 from rising rapidly, so as to play a role in two-way, the role in improving the safety of the fall prevention of the elevator body, and the life of the brake blocks 22 and the brake blocks 14, and the stud 14 cannot be collided, and the service life of the motor 26 is prolonged; when the elevator is used, the shell 281 covers and protects the control button 28, so that when the elevator body 12 is normally used, a person in the elevator body 12 can be prevented from mistakenly touching the control button 28 to affect the normal use of the elevator body 12; the two fixed blocks 22 can be contacted with the two brake blocks 14 at the same time, so that a good limiting and anti-falling effect is achieved; the Alarm device 5 comprises a Host (Host), a Power Line (Power-Line), a Wireless speed Sensor (Wireless-Sensor) and an audible-visual warning Lamp (Alarm-Lamp-and-Speaker), the falling speed of the elevator body 12 is detected through the Wireless speed Sensor, the Host displays specific numerical values, when the falling speed of the elevator body 12 exceeds a preset speed, the audible-visual warning Lamp starts up and gives an Alarm, and a person walking inside the elevator body 12 needs to start the control button 28.

Example two

The buffering function is added on the basis of the first embodiment;

the brake block 14 is provided with a buffer assembly 3; the buffer assembly 3 comprises a first gasket 31 and a second gasket 32; the top of each brake block 14 is provided with the first gasket 31, and the bottom of each brake block 14 is provided with the second gasket 32; the buffer assembly 3 further comprises a third gasket 33; the top and the bottom of each fixing block 22 are provided with the third gasket 33.

Referring to fig. 1-2, when the bottom or the top of the fixed block 22 contacts the brake pad 14, the top or the bottom of the fixed block 22 first contacts a first gasket 31 on the top of the brake pad 14 or a second gasket 32 on the bottom of the brake pad 14, and the first gasket 31 or the second gasket 32 buffers the collision generated by the contact of the fixed block 22 and the brake pad 14, so that the safety of the device is improved; when the device is used, the third gasket 33 at the top or the bottom of the fixed block 22 is directly contacted with the first gasket 31 or the second gasket 32, so that the buffering and anti-seismic performance of the device is improved.

EXAMPLE III

The disassembly function is added on the basis of the first embodiment or the second embodiment;

the opposite surfaces of the two fixed blocks 22 are provided with dismounting components 4; the disassembling component 4 comprises a limiting block 41, a sliding groove 42 and a second sliding block 43; the limiting blocks 41 are arranged on the opposite surfaces of the two fixing blocks 22, the sliding grooves 42 are formed in the back surfaces of the two limiting blocks 41, the second sliding blocks 43 are arranged on the back surfaces of the two fixing blocks 22, and the two second sliding blocks 43 are respectively embedded into the two sliding grooves 42; the second sliding block 43 is a dovetail block, and the sliding groove 42 is a dovetail groove.

Referring to fig. 1-2, in use, when the fixing block 22 needs to be disassembled, the limiting block 41 is pushed upwards, the limiting block 41 slides upwards, the second sliding block 43 slides in the sliding groove 42, and the fixing block 22 can be pushed outwards until the bottom of the limiting block 41 is higher than the top of the first sliding block 25, so that the fixing block 22 slides out of the groove body 21, the disassembling of the fixing block 22 is completed, and the two groups of disassembling assemblies 4 can respectively disassemble the two fixing blocks 22; when the fixing block is used, the limiting block 41 is prevented from being separated from the side face of the fixing block 22, and normal use is prevented from being influenced.

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 two-way anti-falling device of elevator which characterized in that: comprises a main body component (1);

the main body assembly (1) comprises an elevator shaft (11), an elevator body (12), a steel wire rope (13) and a brake block (14); the elevator body (12) is arranged in the elevator shaft (11), the steel wire rope (13) is arranged at the top of the elevator body (12), a plurality of brake blocks (14) are symmetrically arranged on the inner side wall of the elevator shaft (11), and the elevator body (12) is provided with a driving assembly (2);

the driving assembly (2) comprises a groove body (21), a fixing block (22), a fixing seat (23), a stud bolt (24), a first sliding block (25), a motor (26), a bevel gear (27) and a control button (28); the elevator shaft (11) front surface has been seted up cell body (21), cell body (21) inside wall symmetry sliding connection fixed block (22), cell body (21) bottom symmetry is provided with fixing base (23), two fixing base (23) inside wall rotates to be connected stud (24), stud (24) lateral wall symmetry is provided with slider (25), two slider (25) all imbeds elevator body (12), cell body (21) bottom is provided with motor (26), motor (26) output with stud (24) lateral wall all is provided with bevel gear (27), two bevel gear (27) mesh mutually, elevator body (12) inside wall is provided with control button (28), be provided with the battery in cell body (21).

2. The bidirectional fall preventing device for an elevator, according to claim 1, wherein: the drive assembly (2) further comprises a housing (281); the shell (281) is arranged on the inner side wall of the elevator body (12).

3. A bi-directional fall protection device for an elevator, according to claim 1, wherein: the distance between the two fixing blocks (22) which are opposite to each other and the inner side wall of the elevator shaft (11) is the same.

4. A bi-directional fall protection device for an elevator, according to claim 1, wherein: a buffer component (3) is arranged on the brake block (14); the buffer assembly (3) comprises a first gasket (31) and a second gasket (32); the top of each brake block (14) is provided with a first gasket (31), and the bottom of each brake block (14) is provided with a second gasket (32).

5. An elevator bi-directional fall protection device as claimed in claim 4, wherein: the buffer component (3) further comprises a third gasket (33); and the top and the bottom of each fixed block (22) are provided with a third gasket (33).

6. A bi-directional fall protection device for an elevator, according to claim 1, wherein: the opposite surfaces of the two fixed blocks (22) are provided with dismounting components (4); the disassembling component (4) comprises a limiting block (41), a sliding groove (42) and a second sliding block (43); two fixed block (22) facies all is provided with stopper (41), two stopper (41) back of the body has all been seted up spout (42), two fixed block (22) back of the body all is provided with slider two (43), two slider two (43) imbed two respectively spout (42).

7. An elevator bi-directional fall protection device as claimed in claim 6, wherein: the second sliding block (43) is a dovetail block, and the sliding groove (42) is a dovetail groove.

8. A bi-directional fall protection device for an elevator, according to claim 1, wherein: and an alarm device (5) is arranged on the inner side wall of the elevator body (12).