CN215326264U

CN215326264U - Triggering type alarm device for accidental movement of lift car

Info

Publication number: CN215326264U
Application number: CN202120643435.3U
Authority: CN
Inventors: 冯伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-28
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a trigger type alarm device for accidental movement of a car, which belongs to the technical field of elevator safety and comprises an elevator shaft, wherein the front side wall of the elevator shaft is movably connected with a plurality of landing door mechanisms, a group of infrared detection structures are arranged on the inner wall of the elevator shaft and at positions corresponding to the landing door mechanisms, and each group of infrared detection structures comprises two infrared receivers; the elevator stopping device is provided with the infrared receiver, the infrared transmitter, the controller, the alarm, the driving motor, the screw rod, the stopping plate, the stopping block and the stopping groove, so that passengers can be warned when the elevator car moves accidentally, the elevator car moving accidentally can be fixed in the elevator shaft to stop, the passengers can be prevented from taking the elevator car, the problem that the existing elevator car accidental movement alarm device only has an alarm function, and potential safety hazards exist when the passengers neglect to take the elevator car continuously is solved, and the aim of avoiding elevator accidents is fulfilled.

Description

Triggering type alarm device for accidental movement of lift car

Technical Field

The utility model belongs to the technical field of elevator safety, and particularly relates to a trigger type alarm device for accidental movement of a car.

Background

The complete elevator system comprises hundreds of various mechanical structures and electrical functions, so that normal use of the elevator and safety protection of passengers are guaranteed, but due to hidden safety hazards of some long-term used equipment, abnormal manual operation and the like, the problem that the elevator cannot move according to a speed curve set by the system often occurs in the running process of the elevator, and the problem is called as accidental movement of a car.

The car accident can take place very big incident when removing seriously, in order to further stop the emergence of elevator accident, the unexpected alarm device that removes of car has appeared on the market to warn the passenger, avoid causing the injury to the passenger, but the unexpected alarm device that removes of current car only possesses alarming function, to the incomplete passenger of elevator knowledge grasp, only report to the police sometimes and can not let the passenger know the reason, if neglect to continue to take then have the potential safety hazard, do not reach the purpose of stopping elevator accident and taking.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a trigger type alarm device for accidental movement of a lift car, which has the characteristics of alarming, realizing braking and stopping at the same time and achieving the purpose of avoiding elevator accidents.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an unexpected removal of car is with triggering formula alarm device, includes the elevartor shaft, the preceding lateral wall movably connected with a plurality of layer door mechanisms of elevartor shaft, the inner wall of elevartor shaft and the position that corresponds a plurality of layer door mechanisms all are provided with a set of infrared detection structure, and a set of infrared detection structure includes two infrared receiver, two infrared receiver installs respectively in the upper and lower both sides that correspond layer door mechanism, the inside of elevartor shaft is provided with the car, move through arrestment mechanism between elevartor shaft and car, top one side of car is equipped with the controller, the top opposite side of car is equipped with the alarm, the upper and lower both sides of the preceding lateral wall of car all are equipped with infrared transmitter, the intermediate position movably connected with sedan-chair door mechanism of the preceding lateral wall of car, be equipped with the switching detector on the sedan-chair door mechanism.

Preferably, the upper side and the lower side of each of the three side walls of the car are connected with guide frames, the inner walls of the three side walls of the elevator shaft are connected with guide rails, and the two guide frames on the three sides slide on the guide rails on the corresponding sides respectively.

Preferably, the middle positions of the three side walls of the car are respectively connected with two braking plates in a controllable and movable mode, and the two braking plates are arranged in a symmetrical structure.

Preferably, motor groove and shifting chute have been seted up respectively to the intermediate position of the three lateral walls of car, the inside in motor groove is equipped with driving motor, driving motor is connected with the controller, the inside rotation of shifting chute is connected with the lead screw, two the braking board is all connected on the lead screw through the transmission nut transmission.

Preferably, the side walls, close to each other, of the two stopping plates on the three sides are connected with two stopping blocks, four stopping grooves are formed in the three guide rails, and the four stopping blocks on the three sides are clamped in the four stopping grooves on the corresponding sides respectively.

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

1. the elevator stopping device is provided with the infrared receiver, the infrared transmitter, the controller, the alarm, the driving motor, the screw rod, the stopping plate, the stopping block and the stopping groove, so that passengers can be warned when the elevator car moves accidentally, the elevator car moving accidentally can be fixed in the elevator shaft to stop, the passengers can be prevented from taking the elevator car, the problem that the existing elevator car accidental movement alarm device only has an alarm function, and potential safety hazards exist when the passengers neglect to take the elevator car continuously is solved, and the aim of avoiding elevator accidents is fulfilled.

2. According to the elevator, the guide frame and the stopping structure are respectively arranged on three side walls of the elevator car, the guide rails are respectively arranged on three corresponding side walls of the elevator shaft, the stopping grooves are formed in the guide rails, the guide frame and the guide rails are matched with each other when the elevator normally operates, the moving stability of the elevator car can be improved, and when the elevator moves accidentally, the three stopping structures are matched with each other, so that the stopping stability and safety can be realized, and the stopping effect of the elevator car can be improved.

Drawings

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

FIG. 2 is a partial cross-sectional structural view of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A in accordance with the present invention;

FIG. 4 is a schematic cross-sectional view taken at B in FIG. 2 according to the present invention;

in the figure: 1. a brake mechanism; 2. an elevator shaft; 3. a landing door mechanism; 4. a car; 5. a controller; 6. an alarm; 7. a car door mechanism; 8. an open/close detector; 9. an infrared emitter; 10. an infrared receiver; 11. a guide frame; 12. a moving groove; 13. a screw rod; 14. stopping the plate; 15. making a stop block; 16. a drive motor; 17. a motor slot; 18. a guide rail; 19. and stopping the tank.

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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: a triggering type alarm device for accidental movement of a car comprises an elevator shaft 2, wherein a plurality of landing door mechanisms 3 are movably connected to the front side wall of the elevator shaft 2, a group of infrared detection structures are arranged on the inner wall of the elevator shaft 2 and correspond to the positions of the landing door mechanisms 3 respectively, each group of infrared detection structures comprises two infrared receivers 10, the two infrared receivers 10 are respectively arranged on the upper side and the lower side of the corresponding landing door mechanism 3, a car 4 is arranged inside the elevator shaft 2, the elevator shaft 2 and the car 4 run through a braking mechanism 1, a controller 5 is arranged on one side above the car 4, an alarm 6 is arranged on the other side above the car 4, infrared emitters 9 are arranged on the upper side and the lower side of the front side wall of the car 4, a car door mechanism 7 is movably connected to the middle position of the front side wall of the car 4, and an opening and closing detector 8 is arranged on the car door mechanism 7, preferably, the brake mechanism 1, the landing door mechanism 3, the alarm 6, the door mechanism 7, the opening/closing detector 8, and the infrared receiver 10 are connected to the controller 5.

Specifically, the upper and lower sides of the three side walls of the car 4 are both connected with guide frames 11, the inner walls of the three side walls of the elevator shaft 2 are both connected with guide rails 18, the two guide frames 11 on the three sides respectively slide on the guide rails 18 on the corresponding sides,

through adopting above-mentioned technical scheme, when the elevator normally operates, leading truck 11 and guide rail 18 mutually support, can improve the mobility stability of car 4.

The working principle of the utility model is as follows: when the elevator normally operates, a passenger presses a key on the floor where the passenger is located, the braking mechanism 1 controls the car 4 to operate until the two infrared receivers 10 on the floor where the passenger is located receive signals from the two infrared transmitters 9 on the car 4, the two infrared receivers 10 send signals to the controller 5, the controller 5 sends signals to the braking mechanism 1, the braking mechanism 1 stops the car 4 from lifting and reaches the floor where the passenger is located, the controller 5 simultaneously sends signals to the car door mechanism 7 and the landing door mechanism 3, the car door mechanism 7 and the landing door mechanism 3 are opened, the passenger enters the car 4, the key on the floor where the passenger needs to reach is pressed, the controller 5 controls the car door mechanism 7 and the landing door mechanism 3 to be closed, when the car door mechanism 7 is completely closed, the opening and closing detector 8 sends signals to the controller 5, the controller 5 sends signals to the braking mechanism 1, and the braking mechanism 1 controls the car 4 to operate, opening the car door mechanism 7 and the landing door mechanism 3 according to the method until the required landing floor is reached, namely realizing one-round conveying work of the elevator;

during the running process of the elevator, the guide frame 11 on the car 4 slides on the guide rail 18 while the car 4 moves, so that the moving stability of the car 4 can be improved;

in the running process of the elevator, if the controller 5 does not receive a closing signal of the opening and closing detector 8 of the car door mechanism 7 of the car 4 and receives a signal that the infrared receiver 10 does not receive a signal sent by the infrared transmitter 9, the controller 5 regards the car 4 as accidental movement, immediately sends a control command to the alarm 6, and the alarm 6 starts to give an alarm to warn that the car 4 moves accidentally.

Example 2

The present embodiment is different from embodiment 1 in that:

specifically, two stopping plates 14 are respectively and controllably movably connected at the middle positions of three side walls of the car 4, the two stopping plates 14 are arranged in a symmetrical structure,

by adopting the technical scheme, when the elevator moves accidentally, the three groups of braking plates 14 can be matched with and clamped on the guide rails 18 on the corresponding sides, so that the stability and the safety of the braking of the car 4 are realized, and the braking effect of the car 4 is improved.

Specifically, a motor groove 17 and a moving groove 12 are respectively formed in the middle of three side walls of the car 4, a driving motor 16 is assembled inside the motor groove 17, preferably, the driving motor 16 is connected with the controller 5, and a screw rod 13 is rotatably connected inside the moving groove 12, preferably, in this embodiment, one end of the screw rod 13 is connected with a motor shaft of the driving motor 16 through a coupler, and the other end of the screw rod 13 is rotatably connected with the inner wall of the moving groove 12 through a bearing, in this embodiment, preferably, the screw rod 13 is provided with two threads, the two threads are opposite in direction, and the two stopping plates 14 are both in transmission connection with the screw rod 13 through a transmission nut,

by adopting the technical scheme, the clamping and loosening functions of the two braking plates 14 can be realized.

Specifically, two stopping blocks 15 are respectively connected to the mutually adjacent side walls of the two stopping plates 14 on the three sides, four stopping grooves 19 are respectively formed on the three guide rails 18, the four stopping blocks 15 on the three sides are respectively clamped in the four stopping grooves 19 on the corresponding sides,

by adopting the technical scheme, the braking effect of the braking plate 14 is further improved.

The working principle of the utility model is as follows: the controller 5 sends a control instruction to the alarm 6 and also sends a control instruction to the driving motor 16, the driving motor 16 is started and drives the screw rod 13 to rotate in the forward direction, in the forward rotation process of the screw rod 13, the two stopping plates 14 move on the screw rod 13 in the direction of approaching each other until the stopping blocks 15 on the two stopping plates 14 enter the stopping grooves 19 of the corresponding guide rails 18, the driving motor 16 stops driving, at the moment, the car 4 is fixed in the elevator shaft 2 to realize stopping, and the probability of injury to passengers is reduced.

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. A triggering type alarm device for accidental movement of a car comprises an elevator shaft (2), and is characterized in that: the elevator comprises an elevator shaft (2), wherein the front side wall of the elevator shaft (2) is movably connected with a plurality of landing door mechanisms (3), the inner wall of the elevator shaft (2) and the positions corresponding to the landing door mechanisms (3) are respectively provided with a set of infrared detection structure, the set of infrared detection structure comprises two infrared receivers (10), the two infrared receivers (10) are respectively arranged at the upper side and the lower side of the corresponding landing door mechanism (3), a car (4) is arranged in the elevator shaft (2), the elevator shaft (2) and the car (4) are operated through a braking mechanism (1), one side above the car (4) is provided with a controller (5), the other side above the car (4) is provided with an alarm (6), the upper side and the lower side of the front side wall of the car (4) are provided with infrared transmitters (9), the middle position of the front side wall of the car (4) is movably connected with a landing door mechanism (7), and an opening and closing detector (8) is assembled on the car door mechanism (7).

2. The triggering type alarming device for the unexpected movement of the car as set forth in claim 1, wherein: the elevator hoistway is characterized in that guide frames (11) are connected to the upper side and the lower side of the three side walls of the car (4), guide rails (18) are connected to the inner walls of the three side walls of the elevator hoistway (2), and the two guide frames (11) on the three sides slide on the guide rails (18) on the corresponding sides respectively.

3. The triggering type alarming device for the unexpected movement of the car as set forth in claim 2, wherein: the middle positions of three side walls of the car (4) are respectively connected with two braking plates (14) in a controllable moving mode, and the two braking plates (14) are arranged in a symmetrical structure.

4. The triggering type alarming device for the unexpected movement of the car as set forth in claim 3, wherein: motor groove (17) and shifting chute (12) have been seted up respectively to the intermediate position of the three lateral walls of car (4), the inside assembly of motor groove (17) has driving motor (16), the inside rotation of shifting chute (12) is connected with lead screw (13), two braking board (14) all connect on lead screw (13) through the transmission of drive nut.

5. The triggering type alarming device for the unexpected movement of the car as set forth in claim 3, wherein: the side walls, close to each other, of the two stopping plates (14) on the three sides are connected with two stopping blocks (15), four stopping grooves (19) are formed in the three guide rails (18), and the four stopping blocks (15) on the three sides are clamped in the four stopping grooves (19) on the corresponding sides respectively.