CN219448912U

CN219448912U - Automatic change shallow pit of elevator and overhaul protection device

Info

Publication number: CN219448912U
Application number: CN202320437803.8U
Authority: CN
Inventors: 崔光学
Original assignee: Jining Special Equipment Inspection and Research Institute
Current assignee: Jining Special Equipment Inspection and Research Institute
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-01
Anticipated expiration: 2033-03-09

Abstract

The utility model relates to the field of elevator overhaul, in particular to an automatic elevator shallow pit overhaul protection device, which comprises a lifting device, wherein a sliding rail is arranged below the lifting device, the sliding rail is fixedly connected with a motor, the motor is provided with a rotating shaft, the rotating shaft is fixedly connected with a screw rod, the screw rod is in threaded connection with a sliding block, and the sliding block is in sliding connection with the sliding rail; the lifting device is provided with a plurality of lifting columns, the lifting columns are fixedly connected with supporting blocks, the tops of the supporting blocks are provided with backing plates, the supporting blocks and the sliding blocks are fixedly connected with hinge shafts, and hinge rods are hinged to two sides of each hinge shaft. When the elevator lifting device is used, the supporting frame and the lifting device are fixed on the ground, so that the lifting column is fixed in the lifting device to lift, the base plate is lifted in situ, namely, the base plate is always positioned at the same place, no matter how high the lifting device is lifted, the elevator supporting points are always positioned at the same point, a new elevator supporting point is not required to be found, and the elevator is more conveniently lifted.

Description

Automatic change shallow pit of elevator and overhaul protection device

Technical Field

The utility model relates to the field of elevator overhaul, in particular to an automatic elevator shallow pit overhaul protection device.

Background

When the elevator engineering is additionally installed on some old floors, due to the limitation of old communities, the conditions of a stereo garage, a water, electricity and gas network, a septic tank and the like can exist below the selected position of the elevator for the reasons of fire protection, light removal, structural safety and the like, so that the pit of the elevator needs to be made into a shallow pit. The Chinese patent discloses an automatic elevator shallow pit overhaul protection device (grant bulletin number CN 213738097U), and the technology can prop up an elevator car, so that an overhaul height space meeting the safety overhaul requirement is formed between the bottom of the elevator car and the pit, and an overhaul worker can conveniently enter the pit for overhaul; meanwhile, after maintenance is completed, the automatic elevator shallow pit maintenance protection device is in a recovery state, and cannot influence the operation of an elevator car.

However, the supporting plate in the device is lifted by rotating the supporting rod along the supporting base, so that the supporting plates with different heights can also change in transverse position, the supporting points of the bottom of the elevator, which are contacted with the supporting plate, cannot be at the same point, the bottom structure of the elevator is complex, not all the points are suitable for serving as the supporting points, and inconvenience is brought to the supporting. Accordingly, one skilled in the art provides an automated elevator pit inspection protection device to address the problems set forth in the background above.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an automatic elevator shallow pit overhaul protection device, which comprises a lifting device, wherein a sliding rail is arranged below the lifting device, the sliding rail is fixedly connected with a motor, the motor is provided with a rotating shaft, the rotating shaft is fixedly connected with a screw rod, the screw rod is in threaded connection with a sliding block, and the sliding block is in sliding connection with the sliding rail;

the lifting device is provided with a plurality of lifting columns, the lifting columns are fixedly connected with supporting blocks, the tops of the supporting blocks are provided with backing plates, the supporting blocks and the sliding blocks are fixedly connected with hinge shafts, and hinge rods are hinged to two sides of each hinge shaft.

Preferably: the lifting device is characterized in that a supporting frame is fixedly connected to the bottom of the lifting device and fixedly connected with the ground.

Preferably: the slide rail fixedly connected with stopper, stopper and screw rod rotate to be connected.

Preferably, the lifting column is fixedly connected with a limiting plate.

Preferably, a synchronous block is fixedly connected between the two hinging rods.

The utility model has the technical effects and advantages that:

because support frame and elevating gear are fixed on ground for the lift post is fixed in elevating gear and is gone up and down, this makes the backing plate go up and down in place, and the backing plate is in the coplanar all the time promptly, no matter how high elevating gear goes up and down, and the elevator supporting point is in the same point all the time, need not look for new elevator supporting point, more conveniently lifts the elevator.

Drawings

FIG. 1 is a schematic view of the structure provided herein;

FIG. 2 is a diagram of the elevated state structure provided herein;

FIG. 3 is a diagram of a slider-screw connection provided herein;

FIG. 4 is a cross-sectional view of a lifting device provided herein;

in the figure: 1. a lifting device; 2. a support frame; 3. a motor; 4. a slide rail;

5. a rotating shaft; 6. a screw; 7. a synchronization block; 8. a hinge rod;

9. a backing plate; 10. a support block; 11. a limiting plate; 12. a limiting block;

13. a slide block; 14. lifting columns; 15. and a hinge shaft.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 4, in this embodiment, an automatic elevator shallow pit overhaul protection device is provided, which comprises a lifting device 1, wherein a support frame 2 is fixedly connected to the bottom of the lifting device 1, the support frame 2 is fixedly connected with the ground, a sliding rail 4 is arranged below the lifting device 2, a motor 3 is fixedly connected to the sliding rail 4, a rotating shaft 5 is arranged on the motor 3, a screw 6 is fixedly connected to the rotating shaft 5, a sliding block 13 is in threaded connection with the screw 6, the sliding block 13 is in sliding connection with the sliding rail 4, a limiting block 12 is fixedly connected to the sliding rail 4, and the limiting block 12 is in rotational connection with the screw 6;

lifting device 1 is equipped with a plurality of lifting column 14, lifting column 14 fixedly connected with limiting plate 11, lifting column 14 fixedly connected with supporting shoe 10, the supporting shoe 10 top is equipped with backing plate 9, supporting shoe 10 and slider 13 equal fixedly connected with articulated shaft 15, articulated shaft 15 both sides all articulate have articulated rod 8, two fixedly connected with synchronizing block 7 between the articulated rod 8.

The working principle of the utility model is as follows:

when the elevator is normally used, the device is shown in fig. 1, wherein a lifting column 14 is retracted in a lifting device 1, the height of the whole device is low, and when the elevator is overhauled and protected, the device is shown in fig. 2, wherein a motor 3 drives a rotating shaft 5 and a screw 6 to rotate, a sliding block 13 is influenced by the screw 6 to slide along a sliding rail 4, and a hinge rod 8 and a hinge shaft 15 are matched to drive a supporting block 10 to ascend, the lifting column 14 is unfolded, and the heights of a base plate 9 and the supporting block 10 are lifted to support the elevator;

because the support frame 2 and the lifting device 1 are fixed on the ground, the lifting column 14 is fixed in the lifting device 1 to lift, so that the base plate 9 is lifted in situ, namely, the base plate 9 is always positioned at the same place, no matter how high the lifting device is lifted, the supporting points of the elevator are always positioned at the same point, a new supporting point of the elevator is not required to be found, and the elevator is more conveniently lifted.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. An automatic elevator shallow pit overhauling protection device comprises a lifting device (1) and is characterized in that a sliding rail (4) is arranged below the lifting device (1), a motor (3) is fixedly connected to the sliding rail (4), a rotating shaft (5) is arranged on the motor (3), a screw (6) is fixedly connected to the rotating shaft (5), a sliding block (13) is connected to the screw (6) in a threaded mode, and the sliding block (13) is in sliding connection with the sliding rail (4);

lifting device (1) are equipped with a plurality of lift post (14), lift post (14) fixedly connected with supporting shoe (10), supporting shoe (10) top is equipped with backing plate (9), all fixedly connected with articulated shaft (15) of supporting shoe (10) and slider (13), articulated shaft (15) both sides all articulate have articulated pole (8).

2. The automatic elevator shallow pit overhaul protection device according to claim 1, wherein a support frame (2) is fixedly connected to the bottom of the lifting device (1), and the support frame (2) is fixedly connected with the ground.

3. The automatic elevator shallow pit overhaul protection device according to claim 1, wherein the sliding rail (4) is fixedly connected with a limiting block (12), and the limiting block (12) is rotationally connected with the screw (6).

4. An automated elevator pit inspection protection device according to claim 1, characterized in that the lifting column (14) is fixedly connected with a limiting plate (11).

5. An automated elevator pit inspection protection device according to claim 1, characterized in that a synchronization block (7) is fixedly connected between the two hinge rods (8).