CN219489291U - Overload-proof elevator device - Google Patents

Abstract

The utility model discloses an overload-proof elevator device, which relates to the technical field of elevators and comprises a mounting frame, wherein driving equipment is arranged at the upper end of the mounting frame, a sling is arranged at the output end of the driving equipment, a lift car is connected with the sling in a transmission manner, two guide rails are arranged in the mounting frame, the lift car is in sliding connection with the guide rails, an audible-visual annunciator is arranged on the inner wall of the lift car, an equipment box is arranged at the lower end of the lift car, openings are respectively arranged at the left end and the right end of the equipment box, a movable plate is connected in the inner cavity of the lift car in a sliding manner, a reinforcing mechanism is arranged in the equipment box and in transmission connection with the movable plate, and the reinforcing mechanism extends to the right inner side of the guide rails. According to the utility model, the stability of the car in an overload state is improved by arranging the movable plate and the guide rail in cooperation with the reinforcing mechanism, and when the car is overloaded, the brake plate is in close contact with the guide rail, so that the pressure of a sling is reduced, and the use safety of the elevator is improved.

Description

Overload-proof elevator device

Technical Field

The utility model relates to the technical field of elevators, in particular to an overload protection elevator device.

Background

A vertical lift is a lifting mechanism or device of a platform or semi-enclosed platform that carries people or cargo up and down a vertical shaft. The load capacity of the vertical lift is limited and if it is overloaded for efficiency, it will only cause malfunctions and in severe cases may cause injuries and deaths.

Most of the existing vertical elevators are provided with weight sensors, the weight of the elevator is detected through the weight sensors, after the weight of the elevator reaches a set value, audible and visual alarms occur to the elevator, if goods or personnel do not withdraw from the elevator car in time, the sling is always in an overload state, the elevator car is in an unstable state, and certain potential safety hazards exist, so that an overload-preventing elevator device is provided.

Disclosure of Invention

The utility model mainly aims to provide an overload protection elevator device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an overload protection elevator device, includes the mounting bracket, actuating device is installed to the mounting bracket upper end, the hoist cable is installed to the actuating device output, the hoist cable transmission is connected with the car, mounting bracket internally mounted has two guided way, car and guided way sliding connection, audible-visual annunciator is installed to the car inner wall, the equipment box is installed to the car lower extreme, the opening has all been opened to equipment box left end and right-hand member, car inner chamber sliding connection has the fly leaf, the inside strengthening mechanism that is provided with of equipment box, strengthening mechanism is connected with the fly leaf transmission, strengthening mechanism extends to the guided way just inboard.

Preferably, the reinforcing mechanism comprises a connecting column, the upper end of the connecting column penetrates through the upper wall of the equipment box and the lower wall of the car and is fixedly connected with the lower end of the movable plate, a vertical block is installed at the lower end of the connecting column, the vertical block is of an inverted isosceles trapezoid structure, the left end inclined plane and the right end inclined plane of the vertical block are both in sliding connection with transverse blocks, two braking plates are installed at one ends, far away from each other, of the transverse blocks, the two braking plates are respectively in sliding connection with two openings, a plurality of springs are installed at the lower end of the vertical block, and the lower end of each spring is fixedly connected with the lower wall of the inner cavity of the equipment box.

Preferably, the braking vane is of a U-shaped structure, and the braking vane is matched with the guide rail.

Preferably, the left end and the right end of the car are provided with guide blocks, and the two guide blocks are respectively connected with the two guide rails in a sliding manner.

Preferably, the section of the guide block is of an H-shaped structure.

Preferably, a weight sensor is arranged in the movable plate, and the weight sensor is electrically connected with the audible and visual alarm.

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

the stability of car when overload state is improved through setting up fly leaf, guided way cooperation strengthening mechanism, alleviate the pressure of hoist cable, improve the safety in utilization of lift, when goods or personnel stand on the fly leaf, the fly leaf atress drives the spliced pole and reciprocates, the spliced pole drives vertical piece downstream, vertical piece extrusion spring downwards, vertical piece drives two horizontal pieces simultaneously and is synchronous keep away from the motion, two horizontal pieces drive two braking plates respectively and are synchronous keep away from the motion, when the weight that the fly leaf bore is greater than the design value, braking plate and guided way in close contact with, the stability of car has been improved, and still prevent the car and drop suddenly under overload state, play the effect that the car slowed down, the security has been improved.

Drawings

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

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

FIG. 3 is a schematic perspective view of a reinforcement mechanism;

fig. 4 is a schematic cross-sectional structure of the guide rail.

In the figure: 1. a mounting frame; 2. a driving device; 3. a sling; 4. a car; 5. a guide rail; 6. an audible and visual alarm; 7. an equipment box; 8. a movable plate; 9. an opening; 10. a reinforcement mechanism; 21. a connecting column; 22. a vertical block; 23. a transverse block; 24. a brake plate; 25. a spring; 41. and a guide block.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, an overload protection elevator device comprises a mounting frame 1, a driving device 2 is installed at the upper end of the mounting frame 1, as a specific implementation manner, the driving device 2 in this embodiment is composed of a motor, a speed reducer, a brake, a wire coil and the like, a sling 3 is installed at the output end of the driving device 2, the sling 3 is in transmission connection with a car 4, two guide rails 5 are installed in the mounting frame 1, the car 4 is in sliding connection with the guide rails 5, an audible-visual alarm 6 is installed on the inner wall of the car 4, when the car 4 is overloaded, the audible-visual alarm 6 gives out audible-visual alarm for prompting overload personnel or goods to withdraw from the car 4 as soon as possible, a device box 7 is installed at the lower end of the car 4, openings 9 are formed at the left end and the right end of the device box 7, a movable plate 8 is connected in a sliding manner in the inner cavity of the car 4, a reinforcing mechanism 10 is arranged in the device box 7 and is in transmission connection with the movable plate 8, and the reinforcing mechanism 10 extends to the guide rails 5 just inside the guide rails 10.

Further, reinforcing mechanism 10 includes spliced pole 21, spliced pole 21 upper end runs through equipment box 7 upper wall and car 4 lower wall and with fly leaf 8 lower extreme fixed connection, vertical piece 22 is installed to spliced pole 21 lower extreme, vertical piece 22 is the isosceles trapezoid structure of inversion, horizontal piece 23 is all sliding connection in left end inclined plane and right-hand member inclined plane of vertical piece 22, two the braking vane 24 is all installed to the one end that horizontal piece 23 kept away from each other, two braking vane 24 respectively with two opening 9 sliding connection, a plurality of spring 25 is installed to vertical piece 22 lower extreme, spring 25 lower extreme and equipment box 7 inner chamber lower wall fixed connection, during initial state, fly leaf 8 top does not have article or personnel, and vertical piece 22 up end and equipment box 7 inner chamber upper wall in close contact, and when fly leaf 8 bears the load, the fly leaf 8 drives spliced pole 21 and moves down, and vertical piece 22 drives two horizontal pieces 23 and keeps away from each other in step, and moves two horizontal pieces 23 respectively, and two braking vanes 24 are kept away from each other with the synchronous guide rail 24 when setting for 5, and the carriage is kept away from with the heavy load, and the carriage is in close contact with 5 when the carriage is kept away from with the braking vane 24.

Further, the braking vane 24 is in a U-shaped structure, the braking vane 24 is matched with the guide rail 5, the contact area between the braking vane 24 and the guide rail 5 is increased, and the braking efficiency is improved.

Further, the guide blocks 41 are mounted at the left end and the right end of the car 4, the two guide blocks 41 are respectively connected with the two guide rails 5 in a sliding mode, and the stability of movement of the car 4 is improved through the cooperation of the guide rails 5 and the guide blocks 41.

Further, the cross section of the guide block 41 has an H-shaped structure.

Further, a weight sensor is arranged inside the movable plate 8, and the weight sensor is electrically connected with the audible and visual alarm 6.

It should be noted that, the utility model is an overload protection elevator device, when goods or personnel stand on the movable plate 8, the weight sensor detects the load of the movable plate 8, if the load is greater than the load set by the car 4, the audible and visual alarm 6 generates audible and visual alarm, meanwhile, the movable plate 8 is forced to drive the connecting column 21 to move downwards, the connecting column 21 drives the vertical block 22 to move downwards, the vertical block 22 presses the spring 25 downwards, meanwhile, the vertical block 22 drives the two transverse blocks 23 to synchronously move away, the two transverse blocks 23 respectively drive the two braking plates 24 to synchronously move away, the braking plates 24 are closely contacted with the guide rail 5, the stability of the car 4 is improved, the car 4 is prevented from suddenly falling down in an overload state, the effect of decelerating the car 4 is played, and the safety is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Overload protection elevator device, including mounting bracket (1), its characterized in that: the elevator car is characterized in that the driving equipment (2) is installed at the upper end of the installation frame (1), the sling (3) is installed at the output end of the driving equipment (2), the sling (3) is in transmission connection with the car (4), two guide rails (5) are installed inside the installation frame (1), the car (4) is in sliding connection with the guide rails (5), the audible-visual annunciator (6) is installed on the inner wall of the car (4), the equipment box (7) is installed at the lower end of the car (4), the opening (9) is formed in the left end and the right end of the equipment box (7), the movable plate (8) is in sliding connection with the inner cavity of the car (4), a reinforcing mechanism (10) is arranged inside the equipment box (7), the reinforcing mechanism (10) is in transmission connection with the movable plate (8), and the reinforcing mechanism (10) extends to the right inner side of the guide rails (5).

2. An overload-prevention elevator apparatus as claimed in claim 1, wherein: the reinforcing mechanism (10) comprises a connecting column (21), the upper end of the connecting column (21) penetrates through the upper wall of the equipment box (7) and the lower wall of the car (4) and is fixedly connected with the lower end of the movable plate (8), a vertical block (22) is installed at the lower end of the connecting column (21), the vertical block (22) is of an inverted isosceles trapezoid structure, a transverse block (23) is fixedly connected with the left end inclined plane and the right end inclined plane of the vertical block (22), braking plates (24) are installed at one ends, far away from each other, of the transverse block (23), the braking plates (24) are respectively and slidably connected with the two openings (9), a plurality of springs (25) are installed at the lower end of the vertical block (22), and the lower end of each spring (25) is fixedly connected with the lower wall of the inner cavity of the equipment box (7).

3. An overload-prevention elevator apparatus as claimed in claim 2, wherein: the braking vane (24) is of a U-shaped structure, and the braking vane (24) is matched with the guide rail (5).

4. An overload-prevention elevator apparatus as claimed in claim 3, wherein: guide blocks (41) are arranged at the left end and the right end of the car (4), and the two guide blocks (41) are respectively connected with the two guide rails (5) in a sliding mode.

5. The overload-prevention elevator apparatus of claim 4, wherein: the section of the guide block (41) is of an H-shaped structure.

6. The overload-prevention elevator apparatus of claim 5, wherein: the movable plate (8) is internally provided with a weight sensor, and the weight sensor is electrically connected with the audible and visual alarm (6).