CN215326276U

CN215326276U - Elevator cage

Info

Publication number: CN215326276U
Application number: CN202120660827.0U
Authority: CN
Inventors: 蒋代波; 邓荣斌; 陈俊龙; 胡永升; 陈建超
Original assignee: Guangdong Aoling Elevator Co ltd
Current assignee: Guangdong Aoling Elevator Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-28
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses an elevator car, which comprises a car body and a first buffer device. The safe braking components can move up and down relative to the carriage body, and a bearing structure is arranged between the safe braking components and the carriage body; the first buffer device is arranged at the bottom of the compartment body and comprises a buffer structure and two groups of buffer output parts, the buffer output parts are slidably arranged at the bottom of the compartment body, the buffer structure is arranged between the buffer output parts and the bottom of the compartment body, and the two groups of buffer output parts are connected with the corresponding safety brake assemblies through connecting ropes. According to the elevator car provided by the utility model, the elevator car with the stove moving downwards can play a role of buffering in the emergency braking process, so that the impact on passengers is reduced, the passengers are prevented from being injured, in addition, the impact on the safety braking assembly can also be reduced, and the service life of the safety braking assembly is prolonged.

Description

Elevator cage

Technical Field

The utility model relates to the field of elevator equipment, in particular to an elevator car.

Background

When the elevator car runs in the elevator shaft and the conditions of overspeed, breakage of a suspension rope and the like occur, the elevator car acts on the elevator shaft through the safety braking device to perform emergency braking. The existing elevator has the advantages that in the emergency braking process of the elevator, the speed change of the car is large, passengers in the car inevitably receive certain impact, particularly, the passengers in the car have downward gravitational acceleration and upward acceleration in the emergency braking process of the elevator moving downwards, the relative speed of the passengers is changed greatly, the passengers are impacted greatly, and even the passengers are injured.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an elevator car, and the elevator car moving downwards can reduce the impact on passengers and avoid the passengers from being injured in the emergency braking process.

According to an embodiment of the utility model, the elevator car comprises a car body and a first buffer device. The safe brake assembly is arranged on two opposite side walls of the carriage body, the safe brake assembly can move up and down relative to the carriage body, and a bearing structure is arranged between the safe brake assembly and the carriage body; the first buffer device is arranged at the bottom of the compartment body and comprises a buffer structure and two groups of buffer output parts, the buffer output parts are slidably arranged at the bottom of the compartment body, the buffer structure is arranged between the buffer output parts and the bottom of the compartment body, and the two groups of buffer output parts are connected with the corresponding safety brake assemblies through connecting ropes.

The elevator car provided by the embodiment of the utility model at least has the following beneficial effects: in the process of upward movement of the carriage body, the safety brake assembly can be driven to move through the bearing structure, and in the process of downward movement of the carriage body, the safety brake assembly can move along with the carriage body under the action of gravity; the safety brake subassembly can be relative the railway carriage or compartment body moves about from top to bottom, the elevator car that is in the downstream is at the emergency braking in-process, the railway carriage or compartment body can move down the safety brake subassembly relatively, meanwhile, the connection rope can drive the buffering output part that corresponds and slide, and produce the resistance to buffering output part through buffer structure, with the speed that constantly reduces the downward motion of the railway carriage or compartment body, until the railway carriage or compartment body stop motion, therefore, can play the cushioning effect, reduce the impact that the passenger received, avoid the passenger to be injured, in addition, also can reduce the impact that the safety brake subassembly received, improve the life-span of safety brake subassembly.

According to some embodiments of the utility model, the first buffer device further comprises a mounting plate disposed at the bottom of the car body, the buffer output part is slidably disposed on the mounting plate, and the buffer structure comprises an elastic member disposed between the buffer output part and the mounting plate.

According to some embodiments of the utility model, the mounting plate is provided with a guide mechanism on which the buffer output is slidably disposed.

According to some embodiments of the present invention, the guide mechanism includes two oppositely disposed mounting seats and at least two guide posts, the mounting seats are mounted on the lower surface of the mounting plate, the guide posts are mounted on the two mounting seats, two sets of the buffer output portions are slidably disposed on the guide posts, and the elastic member is disposed between the buffer output portions and the corresponding mounting seats.

According to some embodiments of the utility model, the mounting plate is provided with a pulley cooperating with the connecting rope.

According to some embodiments of the utility model, a second buffer device is disposed between the first buffer device and the car bottom.

According to some embodiments of the utility model, the safety brake assembly includes a safety brake and a mounting bracket, the safety brake is mounted on the mounting bracket, the mounting bracket is slidably disposed on a corresponding side wall of the compartment body up and down, the mounting bracket is connected to the corresponding connecting rope, the supporting structure includes a supporting plate, the supporting plate is located above the compartment body, and two ends of the supporting plate are connected to upper ends of the corresponding mounting bracket.

According to some embodiments of the utility model, a limit structure is arranged between the safety brake assembly and the carriage.

According to some embodiments of the utility model, the mounting frame includes two connecting plates and a reinforcing plate which are arranged oppositely, the connecting plates are arranged on the corresponding side walls of the carriage body in a vertically sliding manner, the upper ends of the connecting plates are connected with the supporting plate, the lower ends of the connecting plates are connected with the connecting rope, the two connecting plates are both provided with the safety brakes, the reinforcing plate is connected with the two connecting plates, the limiting structure includes a stopper which is arranged on the side walls of the carriage body in a protruding manner, the stopper is located between the two connecting plates, and the stopper can be matched with the reinforcing plate to limit.

According to some embodiments of the utility model, a third buffer device is disposed between the support plate and the car top.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic cross-sectional view of an elevator car according to an embodiment of the utility model;

fig. 2 is a schematic view of the bottom of an elevator car of an embodiment of the present invention;

fig. 3 is a schematic side view of an elevator car according to an embodiment of the utility model;

fig. 4 is a schematic view of an elevator car according to an embodiment of the present invention at the time of braking.

Reference numerals:

a carriage 100, a stop 110;

the safety brake assembly 200, the safety brake 210, the mounting bracket 220, the connecting plate 221, and the reinforcing plate 222;

a support plate 300;

the first buffer device 400, the mounting plate 410, the elastic member 420, the buffer output part 430, the guide post 440, the mounting seat 450, and the pulley 460;

a connecting rope 500;

a second buffer device 600;

and a third buffer 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 2, an elevator car according to the present invention includes a car body 100 and a first buffer device 400. The two opposite side walls of the compartment body 100 are provided with safety brake components which can move up and down relative to the compartment body 100, and a bearing structure is arranged between the safety brake components and the compartment body 100; the first buffer device 400 is disposed at the bottom of the car body 100, the first buffer device 400 includes a buffer structure and two sets of buffer output portions 430, the buffer output portions 430 are slidably disposed at the bottom of the car body 100, the buffer structure is disposed between the buffer output portions 430 and the bottom of the car body 100, and the two sets of buffer output portions 430 are connected to corresponding safety brake assemblies through a connection rope 500. In the upward movement process of the carriage body 100, the safety brake assembly can be driven to move through the bearing structure, and in the downward movement process of the carriage body 100, the safety brake assembly can move along with the carriage body 100 under the action of gravity; the safety brake assembly can move up and down relative to the carriage body 100, the elevator car moving downwards is in the emergency braking process, when the safety brake assembly is relatively motionless in the elevator shaft, the carriage body 100 still can move downwards relative to the safety brake assembly, meanwhile, the connecting rope 500 can drive the corresponding buffer output part 430 to slide, and generate resistance to the buffer output part 430 through the buffer structure, so that the downward movement speed of the carriage body 100 is continuously reduced until the carriage body 100 stops moving, therefore, the buffer effect can be achieved, the impact on passengers is reduced, the passengers are prevented from being injured, in addition, the impact on the safety brake assembly can also be reduced, and the service life of the safety brake assembly is prolonged.

Referring to fig. 1, 2 and 4, the first buffering device 400 further includes a mounting plate 410, the mounting plate 410 is disposed at the bottom of the car body 100, the buffering output portion 430 is slidably disposed on the mounting plate 410, the buffering structure includes an elastic member 420, the elastic member 420 is disposed between the buffering output portion 430 and the mounting plate 410, during assembly, the buffering output portion 430, the elastic member 420 and other structures may be first mounted on the mounting plate 410, and then the mounting plate 410 is mounted at the bottom of the car body 100, which facilitates installation and maintenance.

Referring to fig. 1, 2 and 4, the mounting plate 410 is provided with a guide mechanism, and the buffer output part 430 is slidably provided on the guide mechanism.

Referring to fig. 1, 2 and 4, specifically, the guide mechanism includes two opposite mounting seats 450 and at least two guide posts 440, the mounting seats 450 are mounted on the lower surface of the mounting plate 410, the guide posts 440 are mounted on the two mounting seats 450, the two buffer output portions 430 are slidably disposed on the guide posts 440, and the elastic members 420 are disposed between the buffer output portions 430 and the corresponding mounting seats 450. In some embodiments, as shown in fig. 1 and 2, four guiding posts 440 are provided, and the elastic member 420 may be sleeved on the guiding posts 440; of course, it will be understood by those skilled in the art that the number of guide posts 440 may be other values in some embodiments, for example, two guide posts 440 may be provided. The elastic member 420 may be sleeved on the guide post 440, or may be connected to the mounting seat 450 and the corresponding buffer output portion 430.

Referring to fig. 1-4, mounting plate 410 is provided with a pulley 460 that engages attachment cable 500, supports attachment cable 500 via pulley 460, and prevents attachment cable 500 from contacting mounting plate 410 during braking to reduce wear on attachment cable 500.

Referring to fig. 1 to 4, a second buffer device 600 is disposed between the first buffer device 400 and the bottom of the car body 100. The second buffer device 600 can extend and contract up and down, and can supplement the first buffer device 400 during braking, thereby further reducing the impact of the car body 100. The second damping device 600 may generate a damping effect by using a compression spring or by compressing air, and the specific arrangement is not illustrated.

Referring to fig. 1, 3 and 4, the safety brake assembly includes safety brake 210 and mounting bracket 220, and safety brake 210 is installed in mounting bracket 220, and mounting bracket 220 can set up on the lateral wall that the railway carriage or compartment body 100 corresponds with sliding from top to bottom, and mounting bracket 220 is connected with the connection rope 500 that corresponds, and the bearing structure includes bearing board 300, and bearing board 300 is located railway carriage or compartment body 100 top, and bearing board 300 both ends are connected with the mounting bracket 220 upper end that corresponds. Those skilled in the art will appreciate that in some embodiments, the safety brake 210 may be implemented as a safety gear, a friction force is generated between the safety gear and an elevator guide rail of an elevator shaft during braking to stop movement of an elevator car, and a triggering device of the safety gear, such as a lifting rod mechanism, an electromagnetic driving mechanism, etc., may be mounted on the mounting bracket 220 and/or the support plate 300.

It should be noted that, the above-mentioned supporting structure may also adopt other arrangements, for example, in some embodiments, the sidewall of the car body 100 is vertically provided with a guide rod, two ends of the guide rod are connected through a connecting seat, and the mounting frame 220 is slidably disposed on the guide rod, so that the connecting seat located at the lower end of the guide rod can be used as the supporting structure, and in the process of the upward operation of the car body 100, the safety brake assembly 200 is made to move along with the car body 100.

Referring to fig. 1, 3 and 4, a limit structure is disposed between the safety brake assembly and the car body 100.

Referring to fig. 1, 3 and 4, the mounting bracket 220 includes two connecting plates 221 and a reinforcing plate 222 which are arranged oppositely, the connecting plates 221 are arranged on the corresponding side walls of the car body 100 in a vertically sliding manner, the upper ends of the connecting plates 221 are connected with the supporting plate 300, the lower ends of the connecting plates are connected with the connecting rope 500, the two connecting plates 221 are both provided with the safety brakes 210, the reinforcing plate 222 is connected with the two connecting plates 221, the limiting structure includes the stoppers 110 which are arranged on the side walls of the car body 100 in a protruding manner, the stoppers 110 are located between the two connecting plates 221, the stoppers 110 can be matched with the reinforcing plate 222, if the connecting rope 500 is accidentally broken during or after braking, the stoppers 110 interfere with the reinforcing plate 222, so that the mounting bracket 220 can support the car body 100, and prevent the car body 100 from being dropped and causing accidents.

Referring to fig. 1 and 4, a third buffer device 700 may be disposed between the support plate 300 and the top of the car 100, so that the impact of the car 100 may be reduced during braking when the car 100 encounters a safety situation during the upward operation.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. Elevator car, its characterized in that includes:

the safe braking device comprises a carriage body (100), wherein safety braking components are arranged on two opposite side walls of the carriage body (100), the safety braking components can move up and down relative to the carriage body (100), and a bearing structure is arranged between each safety braking component and the carriage body (100);

the first buffer device (400) is arranged at the bottom of the compartment body (100), the first buffer device (400) comprises a buffer structure and two groups of buffer output parts (430), the buffer output parts (430) are slidably arranged at the bottom of the compartment body (100), the buffer structure is arranged between the buffer output parts (430) and the bottom of the compartment body (100), and the two groups of buffer output parts (430) are connected with the corresponding safety brake components through connecting ropes (500).

2. The elevator car of claim 1, wherein the first buffer (400) further comprises a mounting plate (410), the mounting plate (410) being disposed at a bottom of the car (100), the buffer output (430) being slidably disposed at the mounting plate (410), the buffer structure comprising a resilient member (420), the resilient member (420) being disposed between the buffer output (430) and the mounting plate (410).

3. The elevator car of claim 2, wherein a guide mechanism is disposed on the mounting plate (410), and the buffer output (430) is slidably disposed on the guide mechanism.

4. The elevator car as claimed in claim 3, wherein the guide mechanism comprises two oppositely disposed mounting seats (450) and at least two guide posts (440), the mounting seats (450) are mounted on the lower surface of the mounting plate (410), the guide posts (440) are mounted on the two mounting seats (450), two sets of the buffer outputs (430) are slidably disposed on the guide posts (440), and the elastic members (420) are disposed between the buffer outputs (430) and the corresponding mounting seats (450).

5. Elevator car according to claim 2, characterized in that the mounting plate (410) is provided with a pulley (460) cooperating with the connecting rope (500).

6. An elevator car as claimed in claim 1, characterized in that a second buffer (600) is provided between the first buffer (400) and the bottom of the car (100).

7. The elevator car as claimed in claim 1, wherein the safety brake assembly comprises a safety brake (210) and a mounting bracket (220), the safety brake (210) is mounted on the mounting bracket (220), the mounting bracket (220) is slidably disposed on a corresponding side wall of the car body (100) up and down, the mounting bracket (220) is connected to the corresponding connecting rope (500), the support structure comprises a support plate (300), the support plate (300) is located above the car body (100), and two ends of the support plate (300) are connected to corresponding upper ends of the mounting bracket (220).

8. The elevator car as claimed in claim 7, characterized in that a limit protection structure is provided between the safety brake assembly and the car body (100).

9. The elevator car as claimed in claim 8, wherein the mounting bracket (220) comprises two opposite connecting plates (221) and a reinforcing plate (222), the connecting plates (221) are slidably disposed on corresponding side walls of the car body (100) up and down, the upper ends of the connecting plates (221) are connected to the supporting plate (300), the lower ends of the connecting plates are connected to the connecting rope (500), the safety brake (210) is mounted on each of the two connecting plates (221), the reinforcing plate (222) is connected to the two connecting plates (221), the limit protection structure comprises a stopper (110) protruding from the side wall of the car body (100), the stopper (110) is located between the two connecting plates (221), and the stopper (110) can be engaged with the reinforcing plate (222).

10. The elevator car according to claim 7, characterized in that a third buffer (700) is provided between the support plate (300) and the top of the car (100).