CN216444847U

CN216444847U - Goods lift car structure that shock resistance is good

Info

Publication number: CN216444847U
Application number: CN202123351251.9U
Authority: CN
Inventors: 蒋欣欣; 晁常乐; 沈琴芳
Original assignee: Suzhou Modern Express Elevator Co ltd
Current assignee: Suzhou Modern Express Elevator Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-06
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a good-shock-resistance goods elevator car structure, which relates to the technical field of elevator structures and comprises an outer car and an inner car arranged on the inner side of the outer car, wherein a traction end used for being connected with a traction rope is arranged at the end part of the outer car, a buffer spring used for being connected with the inner side wall of the side surface of the outer car is arranged on the outer side wall of the side surface of the inner car, and movable idler wheels used for being connected with the inner side wall of the top bottom of the outer car are arranged on the outer side walls of the upper end and the lower end of the inner car. The elevator car damping device is simple in structure, the damping in the horizontal direction is carried out through the buffer spring, the vibration direction is guided through the movable roller, the buffer spring and the movable roller can buffer and damp the inclination and the shaking of the car, and the risk of structural damage caused by abnormal vibration of the car is comprehensively reduced.

Description

Goods lift car structure that shock resistance is good

Technical Field

The utility model relates to the technical field of elevator structures,

in particular, the utility model relates to a good shock resistance cargo elevator car structure.

Background

Modern elevators have been widely used in buildings as an important vertical vehicle. With the rapid development of urban construction, high-rise buildings, particularly super high-rise buildings, are more and more popular, so that the dependence on the use of elevators is higher. As well as increasing the difficulty of installation, use, and maintenance of the elevator system and equipment.

In a building, a large freight elevator has a large load bearing capacity and large traction force on a hoisting rope, so that the requirement on the stability of operation is higher, particularly the time for goods to enter and exit the elevator, the mass change in the elevator in a short time is large, the elevator is easy to shake, the hoisting rope above the elevator can be damaged in the change of gravity, the probability of failure of the hoisting rope and the elevator is linearly increased under the condition of long-time operation, and the dangerous condition of emergency falling of the elevator can be caused seriously, so that the optimization of the abnormal vibration of the elevator car is very important at present, for example, Chinese patent utility model patent CN211169439U relates to an elevator car with anti-seismic protection, and a plurality of sleeves are fixed on an inner bottom plate of the elevator car main body; the first spring is fixed in the first sleeve, and the other end of the first spring is fixed at the bottom end of the first sleeve rod; the upper end of the first loop bar is fixed on the bottom surface of the first connecting plate; a plurality of second springs are fixed on the first connecting plate, and the upper ends of the second springs are fixed on the bottom surface of the second connecting plate; the anti-vibration mechanism is arranged, so that the pressure is gradually reduced, the vibration generated when people step into the elevator car main body is greatly reduced, the loss of parts caused by long-term vibration is avoided, and the elevator faults are reduced; the elevator control room is provided with an alarm system, and when the elevator is abnormally vibrated, people can timely inform workers in the elevator control room when the people are not in time to press the alarm button.

However, the above elevator car structure still has the following problems: the damping is only carried out through the spring, the vibration direction of the lift car is not guided, the lift car can move obliquely except for simple up-down left-right vibration, and the structure can not prevent the lift car from being damaged due to oblique shaking of the lift car.

Therefore, in order to solve the above problems, it is necessary to design a reasonable and efficient cargo elevator car structure with good shock resistance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a good-shock-resistance freight elevator car structure which is simple in structure, can absorb shock in the horizontal direction through a buffer spring, guides the vibration direction through a movable roller, can absorb shock by buffering the inclination and the shaking of a car through the buffer spring and the movable roller, and comprehensively reduces the risk of structural damage caused by abnormal shock of the car.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a goods lift car structure that shock resistance is good, include outer car with set up in outer inboard interior car of car, outer car tip be provided with be used for with the end of towing that hauls that the towline is connected, be provided with on the lateral wall of interior car side be used for with the buffer spring that the inside wall of outer car side is connected, the lateral wall at the upper and lower both ends of interior car all be provided with be used for with the movable gyro wheel of the connection of the inside wall at the bottom of outer car top.

Preferably, the outer side walls of the upper end and the lower end of the inner car are provided with roller seats used for being connected with the movable rollers, and the roller seats are elastic pieces.

Preferably, the number of the roller seats and the number of the movable rollers at either one of the upper and lower ends of the inner car are at least two.

Preferably, a connecting rod is connected between two adjacent roller seats.

In the present invention, it is preferable that the outer car is provided with a cover plate for covering a space between the outer car and the inner car, and the cover plate is provided with a notch for allowing the inner car to leak out.

Preferably, the outer lift car is provided with a clamping groove, and the side face of the cover plate is provided with a clamping block inserted into the clamping groove.

Preferably, the side surface of the cover plate is provided with a limiting groove, and the connecting rod is provided with a limiting block inserted into the limiting groove.

Preferably, the outer cage and the inner cage are both integrally formed.

In a preferred aspect of the present invention, a guide block for contacting a hoistway rail is provided on an outer side of the outer car.

Preferably, the inner car outer side wall is provided with a waterproof coating.

The good shock resistance goods elevator car structure has the beneficial effects that:

1. the shock absorption in the horizontal direction is carried out through the buffer spring, and the shock in the horizontal direction is reduced;

2. the vibration direction in the horizontal direction is guided through the movable roller, so that the inner lift car can vibrate along the moving direction of the movable roller;

3. the roller seat of the movable roller is also elastic and provides certain buffering of vibration in the vertical direction; and the limiting blocks on the roller seat are matched with the limiting grooves of the cover plate of the outer lift car to buffer and damp the inclined shaking of the lift car.

Drawings

Fig. 1 is a schematic overall structural view of an embodiment of a good shock resistance cargo lift car structure of the present invention;

fig. 2 is a schematic structural view of a cover plate in an embodiment of a good shock resistance cargo lift car structure of the present invention;

in the figure: 1. the elevator comprises an outer elevator car, 11, a traction end socket, 12, a clamping groove, 13, a guide block, 2, an inner elevator car, 21, a buffer spring, 22, a movable roller, 221, a roller seat, 23, a connecting rod, 231, a limiting block, 3, a cover plate, 31, a notch, 32, a clamping block, 33 and a limiting groove.

Detailed Description

The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and steps do not limit the scope of the utility model unless specifically stated otherwise.

Meanwhile, it should be understood that the flows in the drawings are not merely performed individually for convenience of description, but a plurality of steps are performed alternately with each other.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements 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. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

The first embodiment is as follows: as shown in fig. 1 and 2, which are only one embodiment of the present invention, a good shock resistance freight elevator car structure includes an outer car 1 and an inner car 2 disposed inside the outer car 1, wherein a traction end 11 for connecting with a traction rope is disposed at an end portion of the outer car 1, a buffer spring 21 for connecting with an inner side wall of a side surface of the outer car 1 is disposed on an outer side wall of a side surface of the inner car 2, and movable rollers 22 for connecting with an inner side wall of a top bottom of the outer car 1 are disposed on outer side walls of upper and lower ends of the inner car 2.

In the utility model, the outer cage 1 is directly connected with a traction machine through a traction rope, namely the lifting power of the elevator directly acts on the outer cage 1; the inner cage 2 is arranged at the inner side of the outer cage 1, and the inner cage 2 is a cage main body for carrying passengers and goods; a certain gap is formed between the inner cage 2 and the outer cage 1, the front, rear, left and right side walls of the inner cage 2 are provided with buffer springs 21, the upper and lower side walls of the inner cage 2 are provided with movable rollers 22, and then when vibration caused by people or goods entering and exiting at the inner cage 2 is transmitted to the outer cage 2 after being buffered by the buffer springs 21 and the movable rollers 22, so that the abrasion between the outer cage 2 and a traction rope is reduced, and the service life of the freight elevator is prolonged.

Here, the buffer springs 21 are provided in a plurality of sets, and the horizontal direction vibration of the inner car 2 (the influence on the outer car) is reduced by damping the vibration in the horizontal direction by the buffer springs 21.

In addition, there are a plurality of movable rollers 22 provided on the upper and lower side walls of the inner car 2, and generally, the number of the roller seats 221 and the movable rollers 22 at either one of the upper and lower ends of the inner car 2 is at least two, and the installation directions (i.e., rolling directions) of all the movable rollers 22 are the same direction, so that the vibration direction in the horizontal direction of the inner car 2 is guided, and the inner car 2 is inevitably vibrated along the moving direction of the movable rollers 22.

Of course, the outer side walls of the upper and lower ends of the inner car 2 are provided with roller seats 221 for connecting with the movable rollers 22, and the roller seats 221 are elastic members. Then, the roller seat 221 of the movable roller 22 itself has elasticity, providing a certain vibration damping of the inner car 2 in the up-down direction.

Finally, adjacent two it is provided with connecting rod 23 to connect between the gyro wheel seat 221, moreover be provided with on the outer car 1 and be used for covering the apron 3 in the space between outer car 1 and the interior car 2, the apron 3 side is provided with spacing groove 33, be provided with on the connecting rod 23 and be used for inserting to spacing block 231 in the spacing groove 33.

That is to say, after the cover plate 3 is installed, the horizontally disposed limiting groove 33 can limit the limiting blocks 231 on the connecting rod 23, generally speaking, there are a plurality of limiting blocks 231, so that the limiting blocks 231 can be located at the same height, and then both ends of the connecting rod 23 are also located at the same height, so as to further enable two adjacent roller seats 221 to be located at the same height, thereby effectively avoiding the inclined shaking caused by the height difference between the two sides of the inner car 2.

The goods elevator car structure with good shock resistance is simple in structure, shock absorption is performed in the horizontal direction through the buffer spring, the vibration direction is guided through the movable idler wheel, the buffer spring and the movable idler wheel can buffer and absorb the oblique shaking of the car, and the risk of structural damage caused by abnormal shock of the goods elevator car is comprehensively reduced.

In the second embodiment, as shown in fig. 1 and 2, which is only one embodiment of the present invention, on the basis of the first embodiment, in the cargo lift car structure with good shock resistance of the present invention, the cover plate 3 is provided with a notch 31 for leaking out of the inner car 2, so that the inner car 2 can open and close the door at the notch 31 to get on and off passengers and cargo.

In addition, a clamping groove 12 is formed in the outer lift car 1, and a clamping block 32 which is inserted into the clamping groove 12 is arranged on the side surface of the cover plate 3, namely when the cover plate 3 is installed, the cover plate 3 can be fixedly installed by aligning the clamping block 32 to the clamping groove 12; in addition, joint piece 32 and joint groove 12 also play the positioning action, and when all joint pieces 32 and joint groove 12 cooperation installations one by one, car 2 in just exposing of the breach of apron 3, and spacing groove 33 just cooperates with stopper 231.

And, outer car 1 and interior car 2 are integrated into one piece spare, and integrated into one piece steel structural component structural strength is high, can prevent effectively that outer car 1 or interior car 2 from disintegrating or warping, and life is longer.

In the installation of the inner car 2 into the outer car 1 and the installation of the cover plate 3, generally, the outer car 1 is an integrally molded rectangular member (only 5 faces and one face is missing) having one face opened, the inner car 2 is installed into the outer car 1 from the opened face of the outer car 1, the buffer spring 21 and the movable roller 22 are installed, and finally the cover plate 3 is installed on the opened face of the outer car 1, and a gap 31 for passengers and goods on/off the inner car 2 is reserved.

In addition, the outer car 1 outside is provided with the guide block 13 that is used for with the contact of well track, and the upper and lower traffic direction of outer car 1 is spacing, also further reduces the vibrations of outer car 1 and rocks.

Finally, 2 lateral walls of interior car are provided with waterproof coating, avoid interior car 2 and outer 1 between the car 2 and wet ponding dip in interior car 2.

The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a goods lift car structure that shock resistance is good which characterized in that: including outer car (1) and set up in outer car (1) inboard interior car (2), outer car (1) tip is provided with and is used for towing end (11) being connected with the towline, be provided with on the lateral wall of interior car (2) side be used for with buffer spring (21) that the inside wall of outer car (1) side is connected, the lateral wall at the upper and lower both ends of interior car (2) all be provided with be used for with movable gyro wheel (22) of the connection of the inside wall at the bottom of outer car (1) top.

2. The good goods lift car structure of shock resistance of claim 1, characterized in that: the outer side walls of the upper end and the lower end of the inner car (2) are provided with roller seats (221) used for being connected with the movable rollers (22), and the roller seats (221) are elastic pieces.

3. The good goods lift car structure of shock resistance of claim 2, characterized in that: the number of the roller seats (221) and the number of the movable rollers (22) at any one end of the upper end and the lower end of the inner car (2) are at least two.

4. The good goods lift car structure of shock resistance of claim 3, characterized in that: a connecting rod (23) is connected between two adjacent roller seats (221).

5. The good goods lift car structure of shock resistance of claim 4, characterized in that: be provided with on outer car (1) and be used for covering apron (3) in the space between outer car (1) and interior car (2), be provided with breach (31) on apron (3).

6. The good goods lift car structure of shock resistance of claim 5, characterized in that: be provided with joint groove (12) on outer car (1), apron (3) side is provided with and is used for inserting to joint piece (32) in joint groove (12).

7. The good goods lift car structure of shock resistance of claim 5, characterized in that: the side of the cover plate (3) is provided with a limiting groove (33), and the connecting rod (23) is provided with a limiting block (231) which is inserted into the limiting groove (33).

8. The good goods lift car structure of shock resistance of claim 1, characterized in that: outer car (1) and interior car (2) are integrated into one piece.

9. The good goods lift car structure of shock resistance of claim 1, characterized in that: the outer car (1) outside is provided with and is used for with well track contact's guide block (13).

10. The good goods lift car structure of shock resistance of claim 1, characterized in that: the outer side wall of the inner lift car (2) is provided with a waterproof coating.