CN213475080U

CN213475080U - Safety device for elevator maintenance

Info

Publication number: CN213475080U
Application number: CN202022387614.3U
Authority: CN
Inventors: 李助
Original assignee: Shenzhen Lida Electromechanical Co ltd
Current assignee: Shenzhen Lida Electromechanical Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-18
Anticipated expiration: 2030-10-23

Abstract

The utility model provides a safety device of elevator maintenance usefulness relates to the elevator field. Including the wall of a well, one side swing joint of the wall of a well has a plurality of elevator limiters, one side fixed mounting of elevator limiter has the car, the equal fixed mounting in both sides of car has a plurality of elevator limiters, the back fixed mounting of car has a plurality of locking Assembly, locking Assembly all carries out swing joint with the guide arm. This safety device that elevator maintenance was used, through locking Assembly, the guide arm, the haulage rope, the wire netting, the elevator stopper, the skylight, go up the scram switch, the car, the cooperation of rope clamp and rail is used, the elevator stopper can make the car stop at appointed position, locking Assembly locks the guide arm, make it avoid removing, the rail is avoided things and people to fall down, the wire netting can prevent above that the thing that drops from pounding equipment and maintenance personal, the height and the size of rail and wire netting can freely be adjusted according to the demand.

Description

Safety device for elevator maintenance

Technical Field

The utility model relates to an elevator technical field specifically is a safety device of elevator maintenance usefulness.

Background

An elevator is a permanent transport device serving a plurality of specific floors in a building, the car of which runs on at least two rows of rigid rails which are perpendicular to the horizontal plane or have an inclination angle of less than 15 degrees with the vertical, and is also of the step type, step plates are mounted on a track and run continuously, commonly known as an escalator or a moving sidewalk, and a fixed lifting device serving a specific floor, the vertical lifting elevator is provided with a car which runs between at least two rows of rigid guide rails which are perpendicular or have an inclination angle of less than 15 degrees, in the existing elevator control system, the active protection for passengers in the car is very thorough and effective, and the degree of effective protection can be achieved without additional operation of the passengers.

However, active protection for workers who maintain and maintain the elevator is relatively less, protection for the workers is passive, certain parts need to be operated to ensure safety in maintenance, and the passive protection mode is adopted currently, the workers take measures spontaneously to operate corresponding switches, some maintenance needs the maintenance workers to enter the elevator to operate in a pit and an upper surface, and life safety of the maintenance workers is caused by accidental falling of the elevator.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a safety device of elevator maintenance usefulness has solved the problem mentioned in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a safety device that elevator maintenance used, includes the wall of a well, one side swing joint of the wall of a well has a plurality of elevator limiters, one side fixed mounting of elevator limiter has the car, the equal fixed mounting in both sides of car has a plurality of elevator limiters, the back fixed mounting of car has a plurality of locking Assembly, locking Assembly all carries out swing joint with the guide arm.

Preferably, fixed mounting has the rail above the car, fixed mounting has the wire netting above the rail, fixed mounting has the skylight above the car, goes up scram switch and presss from both sides the rope ware, the higher authority fixed mounting speed limiter of pressing from both sides the rope ware, the higher authority movable mounting of pressing from both sides the rope ware has the haulage rope, fixed mounting has a plurality of buffering supporting legs below the car.

Preferably, one side fixed mounting of the wall of a well has the pit, the equal fixed mounting in both sides above the pit has electronic collapsible support frame, the higher authority fixed mounting of pit has first motor, first motor fixed mounting has first transmission shaft, the equal fixed connection in both ends of first transmission shaft and electronic collapsible support frame, the higher authority fixed mounting of pit has the second motor, second motor fixed mounting has the second transmission shaft, the equal fixed connection in both ends of second transmission shaft and electronic collapsible support frame.

Preferably, a plurality of shock absorbers are fixedly mounted on the upper surface of the pit, and a limit baffle and a lower emergency stop switch are fixedly mounted on the upper surface of the pit.

Preferably, the upper emergency stop switch and the lower emergency stop switch are connected in series with the traction rope, the elevator limiter, the speed limiter, the locking assembly and the rope clamp through leads, and the traction rope is connected in parallel with the elevator limiter, the speed limiter, the locking assembly and the rope clamp through leads.

(III) advantageous effects

The utility model provides a safety device that elevator maintenance was used. Has the following beneficial effects:

1. this safety device that elevator maintenance was used, through locking Assembly, the guide arm, the haulage rope, the wire netting, the elevator stopper, the skylight, go up the emergency stop switch, the car, the cooperation of rope clamp and rail is used, the elevator stopper can make the car stop at appointed position, locking Assembly locks the guide arm, make it avoid removing, the rail is avoided things and people to fall down, the wire netting can prevent above that the thing that drops from pounding equipment and maintenance personal, the height and the size of rail and wire netting can be according to demand free adjustment, still be provided with the emergency stop switch above the car, can the operation of emergency stop elevator, reduce the emergence of incident.

2. This safety device of elevator maintenance usefulness, through buffering supporting leg, first motor, limit baffle, pit, electronic collapsible support frame, car, bumper shock absorber, second motor, first transmission shaft, secondary drive axle, the cooperation of scram switch down use, the electronic collapsible support frame of both sides can be erect for the pit of elevator forms the space of an enough maintenance, can the effectual size that reduces the pit, practices thrift the space.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic left-side sectional view of the present invention;

fig. 5 is a schematic top view of the cross-sectional structure of the present invention.

In the figure: the device comprises a locking assembly 1, a well wall 2, a guide rod 3, a traction rope 4, a wire netting 5, an elevator limiter 6, a buffering supporting leg 7, a first motor 8, a limit baffle 9, a pit 10, an electric foldable supporting frame 11, a skylight 12, an upper emergency stop switch 13, a car 14, a shock absorber 15, a speed limiter 16, a second motor 17, a first transmission shaft 18, a second transmission shaft 19, a lower emergency stop switch 20, a rope clamping device 21 and a fence 22.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

The embodiment of the utility model provides a safety device that elevator maintenance used, as shown in fig. 1-5, including the wall of a well 2, one side swing joint of the wall of a well 2 has a plurality of elevator stopper 6, one side fixed mounting of elevator stopper 6 has car 14, the equal fixed mounting in both sides of car 14 has a plurality of elevator stopper 6, the back fixed mounting of car 14 has a plurality of locking Assembly 1, locking Assembly 1 all carries out swing joint with guide arm 2, through the wall of a well 2, elevator stopper 6, car 14, elevator stopper 6, locking Assembly 1 and guide arm 2's cooperation, elevator stopper 6 moves along the wall of a well 2, make car 14 stop at appointed position, then locking Assembly 1 locking guide arm 3, make it avoid removing.

Specifically, a fence 22 is fixedly installed on the car 14, a wire netting 5 is fixedly installed on the fence 22, through the cooperation of the car 14, the fence 2 and the wire netting 5, the fence 22 can prevent things and people from falling down, the wire netting 5 can prevent things falling down from the fence from smashing equipment and maintenance personnel, the heights and sizes of the fence 22 and the wire netting 5 can be freely adjusted according to requirements, a skylight 12, an upper emergency stop switch 13 and a rope clamp 21 are fixedly installed on the car 14, a speed limiter 16 is fixedly installed on the rope clamp 21, a traction rope 4 is movably installed on the rope clamp 21, through the cooperation of the car 14, the skylight 12, the upper emergency stop switch 13, the rope clamp 21, the speed limiter 16 and the traction rope 4, the speed limiter 16 slowly slows down, the rope clamp 21 clamps the traction rope 4 to stop the car 14, the upper emergency stop switch 13 is started, and the operation of the elevator can be stopped emergently, a plurality of buffer supporting legs 7 are fixedly arranged below the car 14, and the car 14 is parked on the electric foldable supporting frame 11 through the buffer supporting legs 7 through the matching of the car 14 and the buffer supporting legs 7.

Specifically, a pit 10 is fixedly installed on one side of a well wall 2, electric foldable support frames 11 are fixedly installed on two sides of the upper surface of the pit 10, a first motor 8 is fixedly installed on the upper surface of the pit 10, a first transmission shaft 18 is fixedly installed on the first motor 8, two ends of the first transmission shaft 18 are fixedly connected with the electric foldable support frames 11, a second motor 17 is fixedly installed on the upper surface of the pit 10, a second transmission shaft 19 is fixedly installed on the second motor 17, two ends of the second transmission shaft 19 are fixedly connected with the electric foldable support frames 11, the first motor 8, the first transmission shaft 18, the second motor 17 and the second transmission shaft 19 are matched to simultaneously start the first motor 8 and the second motor 17, and then the electric foldable support frames 11 on two sides are driven by the first transmission shaft 18 and the second transmission shaft 19, the pit 10 of the elevator is made to form a space enough for maintenance, and the electric foldable support frame 11 is corresponding to the buffer support leg 7 arranged under the cage 14.

Specifically, a plurality of shock absorbers 15 are fixedly mounted on the upper surface of the pit 10, a limit baffle 9 and a lower emergency stop switch 20 are fixedly mounted on the upper surface of the pit 10, the folded height of the electric foldable support frame 11 cannot exceed the shock absorbers 15 through the cooperation of the pit 10, the shock absorbers 15, the limit baffle 9 and the lower emergency stop switch 20, the limit baffle 9 is used for preventing the lift car 14 from pressing the electric foldable support frame 11 and other equipment, and the lower emergency stop switch 20 can emergently stop the operation of the lift.

Specifically, an upper emergency stop switch 13 and a lower emergency stop switch 20 are connected with a traction rope 4, an elevator stopper 6, a speed limiter 16, a locking assembly 1 and a rope clamp 21 in series through a lead, the traction rope 4, the elevator stopper 6, the speed limiter 16, the locking assembly 1 and the rope clamp 21 are connected in parallel through a lead, and all devices are emergently started and clamped through the cooperation of the upper emergency stop switch 13, the lower emergency stop switch 20, the traction rope 4, the elevator stopper 6, the speed limiter 16, the locking assembly 1 and the rope clamp 21, so that the elevator stops moving in the shortest time and personal injury is avoided.

All the electric equipment in the scheme supplies power through the external power supply.

The working principle is as follows: during maintenance, a command of stopping operation is sent through an outside machine room, the speed limiter 16 slowly slows down, the rope clamp 21 clamps the traction rope 4 to stop moving, the elevator stopper 6 moves along the well wall 2 to stop the car 14 at a specified position, then the locking assembly 1 locks the guide rod 3 to prevent the guide rod from moving, if the upper surface of the car 14 needs to be maintained, the guide rod goes up through the skylight 12, the fence 22 is arranged on the car 14 to prevent things and people from falling down, the wire netting 5 is arranged on the fence 22 to prevent things falling down from the device and maintenance personnel, the heights and sizes of the fence 22 and the wire netting 5 can be freely adjusted according to requirements, the upper scram switch 13 is also arranged on the car 14 to emergently stop the operation of the elevator, and if the pit 10 needs to be maintained, the first motor 8 and the second motor 17 are simultaneously started, the first transmission shaft 18 and the second transmission shaft 19 drive the electric foldable support frames 11 on two sides to be erected, so that a pit 10 of the elevator forms a space enough for maintenance, the electric foldable support frames 11 correspond to the buffer support legs 7 arranged below the car 14, then the car 14 stops on the electric foldable support frames 11, the pit 10 is also provided with a lower emergency stop switch 20 which has the same function as the upper emergency stop switch 13, the folded height of the electric foldable support frames 11 cannot exceed the shock absorber 15, and the limit baffle 9 is used for preventing the car 14 from pressing the electric foldable support frames 11 and other equipment.

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 safety device that elevator maintenance was used, includes wall of a well (2), its characterized in that: one side swing joint of wall of a well (2) has a plurality of elevator stopper (6), one side fixed mounting of elevator stopper (6) has car (14), the equal fixed mounting in both sides of car (14) has a plurality of elevator stopper (6), the back fixed mounting of car (14) has a plurality of locking Assembly (1), locking Assembly (1) all carries out swing joint with guide arm (3).

2. A safety shield apparatus for elevator service according to claim 1, wherein: the higher authority fixed mounting of car (14) has rail (22), the higher authority fixed mounting of rail (22) has wire netting (5), the higher authority fixed mounting of car (14) has skylight (12), goes up scram switch (13) and presss from both sides rope ware (21), the higher authority fixed mounting speed limiter (16) of pressing from both sides rope ware (21), the higher authority movable mounting of pressing from both sides rope ware (21) has haulage rope (4), fixed mounting has a plurality of buffering supporting legs (7) below car (14).

3. A safety shield apparatus for elevator service according to claim 1, wherein: one side fixed mounting of wall of a well (2) has pit (10), the equal fixed mounting in both sides above pit (10) has electronic collapsible support frame (11), the higher authority fixed mounting of pit (10) has first motor (8), first motor (8) fixed mounting has first transmission shaft (18), the equal fixed connection in both ends and electronic collapsible support frame (11) of first transmission shaft (18), the higher authority fixed mounting of pit (10) has second motor (17), second motor (17) fixed mounting has second transmission shaft (19), the equal fixed connection in both ends and electronic collapsible support frame (11) of second transmission shaft (19).

4. A safety shield apparatus for elevator service according to claim 3, wherein: a plurality of shock absorbers (15) are fixedly mounted on the upper surface of the pit (10), and a limit baffle (9) and a lower emergency stop switch (20) are fixedly mounted on the upper surface of the pit (10).

5. A safety shield apparatus for elevator service as defined in claim 2, wherein: the upper emergency stop switch (13) and the lower emergency stop switch (20) are connected in series with the traction rope (4), the elevator stopper (6), the first motor (8), the speed limiter (16), the second motor (17), the locking assembly (1) and the rope clamp (21) through leads, and the traction rope (4), the elevator stopper (6), the first motor (8), the speed limiter (16), the second motor (17), the locking assembly (1) and the rope clamp (21) are connected in parallel through leads.