CN216737046U - Passenger elevator with emergency braking structure - Google Patents

Abstract

The utility model discloses a passenger elevator with an emergency braking structure, which comprises a power box, an elevator shaft and a lift car, wherein a well wall is arranged inside the elevator shaft, a guide rail is arranged at the center inside the well wall, the power box is arranged at the top of the elevator shaft, the lift car is arranged inside the elevator shaft through the matching of the well wall and the guide wheel, two groups of brake calipers are arranged on two sides outside the lift car, a base is arranged at the bottom of the lift car, two groups of cross frames are arranged on two sides of the bottom of the base, and a roller is arranged on one side outside the cross frames through a bearing. According to the elevator car emergency braking device, the roller is arranged on one side of the outer portion of the cross frame through the bearing, the car can vertically move through rotation of the roller by means of contact of the roller and a well wall, so that after the car is emergently braked and stopped, switching operation of the roller and the brake caliper is controlled through the controller, the vertical position of the car in the elevator shaft is adjusted, passengers can safely arrive at a closer floor and can rapidly evacuate, and use experience of the elevator car emergency braking device is improved.

Description

Passenger elevator with emergency braking structure

Technical Field

The utility model relates to the technical field of passenger elevators, in particular to a passenger elevator with an emergency braking structure.

Background

A passenger elevator, which is a vertical elevator powered by an electric motor and is provided with a box-shaped nacelle, is used for passengers riding in a multi-storey building and serves as a fixed lifting device of a specified floor, and is provided with a lift car, the size and the structural form of the lift car are convenient for passengers to go in and out or load and unload goods, the elevator is used as a general name of a vertical transportation tool in the building regardless of the driving mode, the passenger elevator has the risk of quick falling when running faults occur, and emergency braking is needed when the falling occurs, so the passenger elevator with an emergency braking structure is needed.

The existing passenger elevator has the defects that:

1. after emergency braking is carried out on the existing passenger elevator in an accident, the positions of the passenger elevator in the elevator shaft are often random, and the usually stopped braking position cannot be matched with a floor, so that personnel in the passenger elevator cannot evacuate for the first time, the time is needed for waiting for the rescue of professional personnel, and the use experience of the passenger elevator is poor;

2. when the existing passenger elevator is subjected to emergency braking in case of an accident, the temperature of a braking mechanism can be rapidly increased due to severe friction sent by the braking mechanism and a guide rail, so that the braking mechanism made of rubber is rapidly softened and sends large deformation, the braking performance of the passenger elevator is reduced, and the safety is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a passenger elevator with an emergency braking structure to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a passenger elevator with an emergency braking structure comprises a power box, an elevator shaft and a car, wherein a well wall is arranged inside the elevator shaft, a guide rail is arranged at the center inside the well wall, the power box is arranged at the top of the elevator shaft, the car is arranged inside the elevator shaft through the cooperation of the well wall and a guide wheel, two groups of lifting motors are arranged on two sides outside the car, two groups of brake calipers are arranged on two sides outside the car, two groups of clamping seats are arranged on two sides inside the brake calipers, two groups of calipers are movably arranged inside the clamping seats, a ceramic plate is arranged on one side inside the calipers, a base is arranged at the bottom of the car, two groups of cross frames are arranged on two sides of the bottom of the base, rollers are arranged on one side outside the cross frames through bearings, a high-torque motor is arranged on one side of the front of the cross frames, and the output end of the high-torque motor is rotatably connected with the rollers, the hydraulic pressure regulating pump is installed at the bottom center of base, the control box is installed at the top of car, the controller is installed at the inside top of control box, acceleration sensor is installed to the inside bottom of control box.

Preferably, an access door is installed at the top of the power box, and a vent hole is installed at the top of the access door.

Preferably, the inside of car is equipped with the passenger cabin, and the top of car and the bottom fixed connection of haulage rope.

Preferably, the top of the ceramic plate is provided with a steel wire rope, and one end of the top of the steel wire rope is connected with the output end of the lifting motor.

Preferably, two sets of hydraulic rods are installed on two sides of the outside of the hydraulic adjusting pump, and the output ends of the hydraulic rods are connected with one side of the outside of the cross frame.

Preferably, a box door is installed on one side of the front face of the control box through a hinge, and a glass window is installed above the front face of the box door.

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

1. according to the elevator car emergency braking device, the roller is arranged on one side of the outer portion of the cross frame through the bearing, the roller can be driven to rotate through the electrifying operation of the high-torque motor, the car can vertically move through the rotation of the roller through the contact of the roller and the wall of a well, so that after the car is emergently braked and stopped, the vertical position of the car in the elevator shaft is adjusted through the switching operation of the roller and the brake caliper controlled by the controller, passengers can safely arrive at a nearby floor and rapidly evacuate, and the use experience of the elevator car emergency braking device is improved.

2. According to the utility model, the ceramic plate is arranged on one side in the caliper, the guide rail in the well wall can be clamped by utilizing the vertical movement of the caliper in the clamping seat, the car can be emergently braked by virtue of the strong friction between the ceramic plate and the guide rail, the ceramic plate is not deformed or melted when the temperature is higher, the excellent braking performance can be still kept, the braking noise is low, the braking effect of the device can be effectively ensured, and the safety of the device is improved.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a brake caliper portion of the present invention;

fig. 4 is a partial structural schematic diagram of the control box of the present invention.

In the figure: 1. a power box; 101. an access door; 102. a vent hole; 103. a hauling rope; 2. an elevator shaft; 201. a guide rail; 202. a well wall; 3. a car; 301. a passenger cabin; 302. a guide wheel; 303. lifting a motor; 4. a brake caliper; 401. a card holder; 402. a caliper; 403. a ceramic plate; 404. a wire rope; 5. a base; 501. a cross frame; 502. a roller; 503. a high torque motor; 504. a hydraulic regulating pump; 505. a hydraulic lever; 6. a control box; 601. a controller; 602. an acceleration sensor; 603. and a box door.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention is shown: a passenger elevator with an emergency braking structure comprises a power box 1, an elevator shaft 2 and a car 3, wherein a well wall 202 is arranged inside the elevator shaft 2, a guide rail 201 is arranged in the center inside the well wall 202, the installation position of the passenger elevator can be provided by matching the well wall 202 inside the elevator shaft 2 with the guide rail 201, the passenger elevator can be conveniently installed, the power box 1 is arranged at the top of the elevator shaft 2, the power box 1 can provide the installation position of an external traction mechanism, the traction mode is an existing passenger elevator common structure and can provide power for elevator operation, the car 3 is arranged inside the elevator shaft 2 through matching of the well wall 202 and a guide wheel 302, the car 3 can provide the standing position of passengers, two groups of lifting motors 303 are arranged on two sides outside the car 3, two groups of brake calipers 4 are arranged on two sides outside the car 3, two groups of clamping seats 401 are arranged on two sides inside the brake calipers 4, and two groups of calipers 402 are movably arranged inside the clamping seats 401, the ceramic plate 403 is arranged on one side inside the caliper 402, the clamping seat 401 in the caliper 4 can provide the installation position of the caliper 402, the guide rail 201 inside the well wall 202 can be clamped by the vertical movement of the caliper 402 inside the clamping seat 401, the car 3 can be emergently braked by the strong friction between the ceramic plate 403 and the guide rail 201, the ceramic plate 403 is not deformed and melted at higher temperature, and still can keep excellent brake performance, the brake noise is low, the brake effect of the device can be effectively ensured, the safety of the device is improved, the base 5 is arranged at the bottom of the car 3, the base 5 can provide the installation position of the cross frame 501 to facilitate the installation of the cross frame, two groups of cross frames 501 are arranged on two sides of the bottom of the base 5, the cross frames 501 can provide the installation positions of the high-torque motor 503 and the roller 502 to facilitate the installation of the cross frame, the roller 502 is arranged on one side outside the cross frame 501 through a bearing, a high-torque motor 503 is installed on one side of the front surface of the cross frame 501, the output end of the high-torque motor 503 is rotatably connected with the roller 502, the roller 502 can be driven to rotate by the electrifying operation of the high-torque motor 503, the car 3 can vertically move by the rotation of the roller 502 by the contact of the roller 502 and the well wall 202, so that after the car 3 is emergently braked, the switching operation of the roller 502 and the brake caliper 4 is controlled by the controller 601, the vertical position of the car 3 in the elevator shaft 2 is adjusted, so that passengers can safely arrive at a closer floor and can be quickly evacuated, the safety of the device is improved, a hydraulic adjusting pump 504 is installed at the center of the bottom of the base 5, a certain pressure can be applied to the roller 502 by the operation of the hydraulic adjusting pump 504, the roller 502 is tightly attached to the well wall 202, a control box 6 is installed at the top of the car 3, and the control box 6 can provide the installation position of the controller 601, can be convenient for install it, controller 601 is installed to the inside top of control box 6, controller 601 can adopt PLC control system, can realize automatic control through setting for, acceleration sensor 602 is installed to the inside bottom of control box 6, acceleration sensor 602 can adopt the SCA type, when acceleration sensor 602 detects the falling speed of car 3 and surpasss normal operating speed, can send the detected information to controller 601 and utilize the steerable drawing motor 303 circular telegram operation of controller 601, utilize the circular telegram operation of drawing motor 303 can provide braking power for brake caliper 4, so that car 3 carries out emergency braking.

Further, access door 101 is installed at the top of headstock 1, and ventilation hole 102 is installed at the top of access door 101, utilizes ventilation hole 102 can be for the inside electrical equipment of headstock 1 to ventilate and dispel the heat, utilizes the dismantlement of access door 101 can be convenient for the maintainer to overhaul the maintenance to the drive mechanism of headstock 1 inside to guarantee the normal operating of device.

Further, the inside of car 3 is equipped with main cabin 301, and the top of car 3 and the bottom fixed connection of haulage rope 103, and main cabin 301 can provide passenger's the position of taking, utilizes the fixed connection of haulage rope 103 and car 3 can be convenient for draw gear to carry out vertical traction to car 3 to guarantee passenger elevator's normal operating.

Further, a steel wire rope 404 is installed on the top of the ceramic plate 403, one end of the top of the steel wire rope 404 is connected with the output end of the lifting motor 303, and the steel wire rope 404 is connected with the lifting motor 303, so that the lifting motor 303 can vertically lift the caliper 402 through the steel wire rope 404 during power-on operation, and the guide rail 201 can be clamped when the caliper 402 vertically moves, so as to realize braking.

Further, two sets of hydraulic stem 505 are installed to the outside both sides of hydraulic pressure adjusting pump 504, and the output of hydraulic stem 505 is connected with the outer one side of crossbearer 501, utilizes the flexible certain pressure that can exert to crossbearer 501 of hydraulic stem 505 to exert pressure to gyro wheel 502, make gyro wheel 502 closely laminate with the wall of a well 202.

Further, chamber door 603 is installed through the hinge to positive one side of control box 6, and installs the glass window above the front of chamber door 603, can be convenient for the staff directly observe the inside electrical equipment of control box 6 from the outside when overhauing and maintaining through the glass window, utilizes opening and shutting of chamber door 603, can be convenient for the staff to overhaul the inside electrical equipment of device and maintain, has improved the practicality of device.

The working principle is as follows: when the acceleration sensor 602 detects that the falling speed of the car 3 exceeds the normal running speed, the detection information can be sent to the controller 601, the controller 601 can be used for controlling the lifting motor 303 to run in an electrified mode, the caliper 402 can be lifted vertically, the caliper 402 can be used for clamping the guide rail 201 inside the well wall 202 through vertical movement inside the clamping seat 401, the car 3 can be braked emergently through strong friction between the ceramic plates 403 and the guide rail 201, the roller 502 can be driven to rotate through the electrified running of the high-torque motor 503, the car 3 can be vertically moved through the rotation of the roller 502 through the contact between the roller 502 and the well wall 202, so that after the car 3 is stopped emergently, the controller 601 is used for controlling the switching running of the roller 502 and the brake caliper 4, and the vertical position of the car 3 inside the elevator shaft 2 is adjusted.

The utility model is not described in detail, but is well known to those skilled in the art.

Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (6)

1. A passenger elevator with emergency braking structure, includes headstock (1), elevartor shaft (2) and car (3), its characterized in that: the elevator hoistway structure is characterized in that a shaft wall (202) is arranged inside the elevator hoistway (2), a guide rail (201) is arranged at the center inside the shaft wall (202), a power box (1) is arranged at the top of the elevator hoistway (2), a car (3) is arranged inside the elevator hoistway (2) through the cooperation of the shaft wall (202) and a guide wheel (302), two sets of lifting motors (303) are arranged on two sides outside the car (3), two sets of brake calipers (4) are arranged on two sides outside the car (3), two sets of clamping seats (401) are arranged on two sides inside the brake calipers (4), two sets of calipers (402) are movably arranged inside the clamping seats (401), ceramic plates (403) are arranged on one side inside the calipers (402), a base (5) is arranged at the bottom of the car (3), two sets of cross frames (501) are arranged on two sides of the bottom of the base (5), gyro wheel (502) are installed through the bearing to outside one side of crossbearer (501), high torque motor (503) are installed to the positive one side of crossbearer (501), and the output and gyro wheel (502) of high torque motor (503) rotate and be connected, hydraulic pressure regulating pump (504) are installed at the bottom center of base (5), control box (6) are installed at the top of car (3), controller (601) are installed at the inside top of control box (6), acceleration sensor (602) are installed to the inside bottom of control box (6).

2. A passenger conveyor having an emergency braking arrangement, as claimed in claim 1, wherein: an access door (101) is installed at the top of the power box (1), and a vent hole (102) is installed at the top of the access door (101).

3. A passenger conveyor having an emergency braking arrangement as claimed in claim 1, wherein: the inside of car (3) is equipped with cabin (301), and the bottom fixed connection of the top of car (3) and haulage rope (103).

4. A passenger conveyor having an emergency braking arrangement, as claimed in claim 1, wherein: the top of the ceramic plate (403) is provided with a steel wire rope (404), and one end of the top of the steel wire rope (404) is connected with the output end of the lifting motor (303).

5. A passenger conveyor having an emergency braking arrangement, as claimed in claim 1, wherein: two groups of hydraulic rods (505) are mounted on two sides of the outside of the hydraulic adjusting pump (504), and the output ends of the hydraulic rods (505) are connected with one side of the outside of the cross frame (501).

6. A passenger conveyor having an emergency braking arrangement, as claimed in claim 1, wherein: a box door (603) is installed on one side of the front face of the control box (6) through a hinge, and a glass window is installed above the front face of the box door (603).

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