CN216763995U

CN216763995U - Ladder hand-pulling type compartment door safety device for building construction

Info

Publication number: CN216763995U
Application number: CN202220331409.1U
Authority: CN
Inventors: 詹天宝; 余华东; 钟乾峰
Original assignee: Ningbo Ouling Elevator Components Co ltd
Current assignee: Ningbo Ouling Elevator Components Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-06-17
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a ladder hand-pulling type compartment door safety device for building construction, which comprises a door head, a door hanging plate and a detection switch, and is characterized in that a guide rail is arranged on the door head, a roller wheel is connected to the door hanging plate in a rotating manner, the roller wheel is connected and matched with the guide rail, a push rod is arranged on the door hanging plate, the detection switch is fixed on the door head, the detection switch comprises a protective shell and a switch body, a groove for the push rod to extend into is formed in the protective shell, and when the door hanging plate moves to the tail end of the closing side stroke, the push rod presses the switch body. According to the elevator hand-pulling type compartment door safety device for building construction, the detection of the opening and closing state of the compartment door of the lift car can be realized by arranging the detection switch, and the elevator for construction can be allowed to ascend and descend only after the door is closed by matching with the conventional electric control equipment, so that the operation safety of the construction elevator is improved.

Description

Ladder hand-pulling type compartment door safety device for building construction

Technical Field

The utility model relates to an elevator compartment door, in particular to a ladder hand-pulling type compartment door safety device for building construction.

Background

In a building site, in order to meet the access requirements of constructors of high-rise buildings, construction elevators need to be temporarily additionally installed on the building, a car protective door of a traditional construction elevator is simple in structure, only door plates, hinges and door bolts are arranged, and in the operation process, the situation of mistaken opening is easy to happen, so that the elevator taking personnel are scratched and even fall from a building.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provide a ladder-pull type compartment door safety device for building construction, which can detect the closing condition of a protective door.

In order to achieve the purpose, the ladder-pull type compartment door safety device for building construction comprises a door head, a door hanging plate and a detection switch, and is characterized in that a guide rail is arranged on the door head, a roller is connected to the door hanging plate in a rotating mode and is connected and matched with the guide rail, a push rod is arranged on the door hanging plate, the detection switch is fixed on the door head and comprises a protective shell and a switch body, a groove for the push rod to extend into is formed in the protective shell, and when the door hanging plate moves to the tail end of a closing side stroke, the push rod presses the switch body.

The door head is provided with a pair of pulleys and a steel cable, the steel cable is wound around the roller to form a loop, the door hanging plates are arranged in pairs, the door hanging plates are provided with fixing wire clamps, and the fixing wire clamps of the two door hanging plates are respectively connected and fixed with the steel cables on the two sides of the roller.

In order to facilitate installation and avoid falling object interference, the switch body is a rotating arm type automatic reset switch, the detection switch is installed above the door hanging plate, the groove of the protective shell is formed in the bottom of the protective shell, the push rod extends into the protective shell from the groove, and when the door hanging plate moves to the tail end of the closing side stroke, the push rod presses the rotating arm of the switch body to enable the switch body to rotate.

In order to ensure the operation safety of the elevator and avoid the mistaken opening of the compartment door in operation, the door head is also provided with a compartment door fixed hook and an electromagnet, the door hanging plate is provided with a compartment door moving hook, the compartment door moving hook is rotatably connected with the door hanging plate through a rotating shaft, a reset torsion spring is arranged between the rotating shaft and the compartment door hanging plate, the compartment door moving hook is provided with a control rod, and the control rod is correspondingly arranged with the electromagnet.

In order to facilitate unlocking in emergency, the compartment door moving hook is connected with an unlocking rod, the rotating shaft is connected with a door lock wheel, the unlocking rod is erected on the door lock wheel, and the end part of the unlocking rod is connected with a steel wire rope.

According to the ladder-pull-type compartment door safety device for building construction, the opening and closing state of the compartment door of the car can be detected by arranging the detection switch, and the elevator for construction can be allowed to ascend and descend only after the door is closed by matching with the conventional electric control equipment, so that the operation safety of the elevator for construction is improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment 1 of the ladder-pull type compartment door safety device for building construction of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic structural view of an embodiment 2 of the ladder-pull type car door safety device for building construction of the present invention;

FIG. 4 is an enlarged schematic view at B in FIG. 3;

fig. 5 is an enlarged schematic view at C in fig. 3.

In the figure: the door comprises a door head 1, a door hanging plate 2, a guide rail 3, a roller 4, a push rod 5, a protective shell 6, a switch body 7, a pulley 8, a steel cable 9, a fixed wire clamp 10, a rotating arm 11, a compartment door fixed hook 12, an electromagnet 13, a compartment door moving hook 14, a reset torsion spring 15, a rotating shaft 16, a control rod 17, an opening lock rod 18, a door lock wheel 19 and a steel cable 20.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Example 1:

the ladder-pull-type compartment door safety device for building construction described in this embodiment, as shown in fig. 1 and fig. 2, includes a door head 1, a door hanging plate 2, and a detection switch, wherein a guide rail 3 is arranged on the door head 1, a roller 4 is rotatably connected to the door hanging plate 2, the roller 4 is connected to and matched with the guide rail 3, a push rod 5 is arranged on the door hanging plate 2, the detection switch is fixed on the door head 1, the detection switch includes a protective shell 6 and a switch body 7, a slot into which the push rod 5 extends is arranged on the protective shell 6, when the door hanging plate 2 moves to the end of a closing side stroke, the push rod 5 presses the switch body 7, and the pressing switch body 7 means that the state of the switch body 7 is changed by physical movement of the push rod 5 at this time; although the side-by-side door structure is adopted in the embodiment, it is understood that the side-by-side door structure of the construction elevator can be realized as long as the door hanging plate 2 and the guide rail 3 are provided.

As shown in fig. 1, a pair of pulleys 8 and a steel cable 9 are arranged on the door head 1, the steel cable 9 is looped around the roller 4, the door hanging plates 2 are arranged in pairs, the door hanging plates 2 are provided with fixing wire clamps 10, and the fixing wire clamps 10 of the two door hanging plates 2 are respectively connected and fixed with the steel cable 9 on two sides of the roller 4.

In order to facilitate installation and avoid falling object interference, as shown in fig. 1, the switch body 7 is a rotating arm type automatic reset switch, the detection switch is installed above the door hanging plate 2, the open slot of the protective shell 6 is formed in the bottom of the protective shell 6, the push rod 5 extends into the protective shell 6 from the open slot, and when the door hanging plate 2 moves to the tail end of the closing side stroke, the push rod 5 presses the rotating arm 11 of the switch body 7 to rotate.

In the actual working process, door head 1 installs in elevator car import top, door link plate 2 below hangs and connects the guard gate board, and the user is after the guard gate board is closed to the people for the people, door link plate 2 moves promptly to closing side stroke end, and push rod 5 promotes rocking arm 11 of switch body 7 this moment to change the output signal of telecommunication of switch body 7, if the user is for opening the guard gate board for the people, then rocking arm 11 automatic re-setting of switch body 7, if the lift control circuit with switch body 7 access elevator, then can realize switch body 7 to the control that the elevator goes up and down.

The terraced hand-pulling type railway carriage or compartment door safety device for construction that this embodiment provided can realize the detection to car railway carriage or compartment door state of opening and shutting through setting up detection switch, cooperates current electrical equipment, just allows the lift after can realizing "closing the door of elevator for the construction, improves the operation security of construction elevator.

Example 2:

the building construction is with terraced hand-pulling type railway carriage or compartment door safety device that this embodiment describes, as shown in fig. 3, fig. 4 and fig. 5, it includes door head 1, door link plate 2, detection switch, be equipped with guide rail 3 on the door head 1, it is connected with gyro wheel 4 to rotate on the door link plate 2, gyro wheel 4 is connected the cooperation with guide rail 3, be equipped with push rod 5 on the door link plate 2, detection switch fixes on door head 1, and detection switch includes protecting crust 6 and switch body 7, be equipped with the fluting that supplies push rod 5 to stretch into on the protecting crust 6, when door link plate 2 moves to closing side stroke end, 5 roof pressure switch bodies 7 of push rod.

As shown in fig. 3, a pair of rollers 4 and a steel cable 9 are arranged on the door head 1, the steel cable 9 is wound around the rollers 4 to form a ring, the door hanging plates 2 are arranged in pairs, the door hanging plates 2 are provided with fixing wire clamps 10, and the fixing wire clamps 10 of the two door hanging plates 2 are respectively connected and fixed with the steel cable 9 on two sides of the rollers 4.

In order to ensure the running safety of the elevator and avoid the mistaken opening of the car door in the running process, as shown in fig. 3 and 5, the door head 1 is further provided with a car door fixed hook 12 and an electromagnet 13, the door hanging plate 2 is provided with a car door moving hook 14, the car door moving hook 14 is rotatably connected with the door hanging plate 2 through a rotating shaft 16, a reset torsion spring 15 is arranged between the rotating shaft 16 and the car door hanging plate 2, the car door moving hook 14 is provided with a control rod 17, and the control rod 17 is arranged corresponding to the electromagnet 13; in practical use, in the lifting process of the elevator, the electromagnet 13 keeps attracting the control rod 17, so that the compartment door moving hook 14 and the compartment door fixed hook 12 are locked, the following protective door plate is ensured not to be opened, when the target floor is reached, the electromagnet 13 is powered off, and at the moment, the compartment door moving hook 14 is separated from the compartment door fixed hook 12 under the action of the reset torsion spring 15, so that unlocking is realized.

In this embodiment, the switch body 7 is a contact switch, and the end of the push rod 5 is provided with a contact pin for contacting with a contact of the contact switch.

In order to facilitate unlocking in an emergency, as shown in fig. 3 and 5, an unlocking rod 18 is connected to the car door moving hook 14, a door lock wheel 19 is connected to the rotating shaft 16, the unlocking rod 18 is erected on the door lock wheel 19, a steel wire rope 20 is connected to an end of the unlocking rod 18, and the car door moving hook 14 can be pried up by pulling the steel wire rope 20 through the unlocking rod 18, so that unlocking is achieved.

In actual work, the door link plate 2 below hangs and connects the protection door board, under general condition, can adopt the triangulation chain that sets up on the protection door board to be connected the locking with wire rope 20, avoids the railway carriage or compartment door to open by mistake.

The ladder hand-pulling type compartment door safety device for building construction provided by the embodiment further provides a compartment door safety device with a door lock, and the safety of the compartment door is improved.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a building construction is with terraced hand-pulling type railway carriage or compartment door safety device, it includes door head (1), door link plate (2), detection switch, characterized by be equipped with guide rail (3) on door head (1), it is connected with gyro wheel (4) to rotate on door link plate (2), gyro wheel (4) are connected the cooperation with guide rail (3), be equipped with push rod (5) on door link plate (2), detection switch fixes on door head (1), and detection switch includes protecting crust (6) and switch body (7), be equipped with the fluting that supplies push rod (5) to stretch into on protecting crust (6), when door link plate (2) move to closing side stroke end, push rod (5) roof pressure switch body (7).

2. The ladder-pull type compartment door safety device for building construction according to claim 1, wherein a pair of pulleys (8) and a steel cable (9) are arranged on the door head (1), the steel cable (9) is looped around the roller (4), the door hanging plates (2) are arranged in pairs, a fixing wire clamp (10) is arranged on each door hanging plate (2), and the fixing wire clamps (10) of the two door hanging plates (2) are respectively connected and fixed with the steel cable (9) on two sides of the roller (4).

3. The ladder-pull type compartment door safety device for building construction according to claim 1 or 2, wherein the switch body (7) is a rocker type automatic reset switch, the detection switch is installed above the door hanging plate (2), the open slot of the protective shell (6) is arranged at the bottom of the protective shell (6), the push rod (5) extends into the protective shell (6) from the open slot, and when the door hanging plate (2) moves to the end of the closing side stroke, the push rod (5) presses the rocker arm (11) of the switch body (7) to rotate.

4. The ladder-pull type compartment door safety device for building construction according to claim 1 or 2, characterized in that a compartment door fixed hook (12) and an electromagnet (13) are further arranged on the door head (1), a compartment door moving hook (14) is arranged on the door hanging plate (2), the compartment door moving hook (14) is rotatably connected with the door hanging plate (2) through a rotating shaft (16), a reset torsion spring (15) is arranged between the rotating shaft (16) and the compartment door hanging plate (2), a control rod (17) is arranged on the compartment door moving hook (14), and the control rod (17) is arranged corresponding to the electromagnet (13).

5. The ladder-pull type compartment door safety device for building construction according to claim 4, wherein the compartment door moving hook (14) is connected with an unlocking rod (18), the rotating shaft (16) is connected with a door lock wheel (19), the unlocking rod (18) is erected on the door lock wheel (19), and the end of the unlocking rod (18) is connected with a steel wire rope (20).