CN219807632U - Large-load goods elevator system and machine room structure thereof - Google Patents

Abstract

The utility model relates to the technical field of elevator installation, in particular to a machine room structure of a large-load freight elevator system, which includes a main load-bearing beam, an auxiliary load-bearing beam, a counterweight load-bearing beam and a car load-bearing beam; the main load-bearing beam and the auxiliary load-bearing beam are arranged parallel to each other , the counterweight load-bearing beam is located between the main load-bearing beam and the auxiliary load-bearing beam, and the two ends of the counterweight load-bearing beam are respectively embedded in the main load-bearing beam and the auxiliary load-bearing beam. The car load-bearing beam is set across the main load-bearing beam and the auxiliary load-bearing beam. Above the beam, the main load-bearing beam, auxiliary load-bearing beam, counterweight load-bearing beam and car load-bearing beam form an installation frame. The utility model also provides a large load freight elevator system. This utility model improves the layout structure of the machine room in the cargo elevator system. Through the car guide wheel, the counterweight reverse sheave and the car reverse sheave, in the winding arrangement with a traction ratio of 8:1, It is possible to increase the load-carrying capacity of the freight elevator system without increasing the specifications of the traction machine, thereby reducing the installation cost of large-load freight elevators.

Description

A large-load freight elevator system and its machine room structure

Technical field

The utility model relates to the technical field of elevator installation, and in particular to a large-load freight elevator system and its machine room structure.

Background technique

With the progress of society and economic development, the market demand for large-load freight elevators is increasing. However, the load-bearing capacity of the machine room structure of traditional freight elevators is limited, and affected by the bearing capacity of the traction machine, the load-bearing capacity of freight elevators is limited. It cannot meet the needs of large load freight elevators.

At this stage, if you want to improve the load-carrying capacity of the freight elevator system, you can only directly increase the traction force of the traction machine, that is, you can only increase the size of the traction machine. However, as the size of the traction machine increases, its weight will also increase. Therefore, in order to ensure the structural stability of the load-bearing beams, the volume of the load-bearing beams can only be increased. However, this will increase the installation cost and difficulty of the load-bearing beams, making it difficult to promote large-load cargo elevator systems on the market.

Utility model content

The purpose of this utility model is to overcome the shortcomings of the existing technology. The utility model provides a machine room structure for a large-load freight elevator system, which can be easily arranged and installed, and can increase the volume of the traction machine and load-bearing capacity without increasing the volume. Load capacity.

The utility model also provides a large-load freight elevator system, which has low installation cost and difficulty and is easy to be popularized and applied.

In order to solve the above problems, the utility model proposes a machine room structure for a large freight elevator system, including a main load-bearing beam, an auxiliary load-bearing beam, a counterweight load-bearing beam and a car load-bearing beam;

The main load-bearing beam and the auxiliary load-bearing beam are arranged parallel to each other, the counterweight load-bearing beam is arranged between the main load-bearing beam and the auxiliary load-bearing beam, and both ends of the counterweight load-bearing beam are embedded in the main load-bearing beam respectively. and in the auxiliary load-bearing beam, the car load-bearing beam is arranged across the top of the main load-bearing beam and the auxiliary load-bearing beam, and the main load-bearing beam, the auxiliary load-bearing beam, the counterweight load-bearing beam and the car load-bearing beam surround the installation frame;

The counterweight load-bearing beam is provided with three counterweight reverse sheaves. The end of the main load-bearing beam close to the counterweight load-bearing beam is provided with a traction machine. The main load-bearing beam is located between the traction machine and the car load-bearing beam. There are two car reverse sheaves between the ends of the car, and two car guide wheels are provided on the car load-bearing beam. The auxiliary load-bearing beam is between the ends of the counterweight load-bearing beam and the car load-bearing beam. There are two car reverse pulleys in the room.

As an improvement of the above technical solution, the bottom of the traction machine is provided with a main frame, which is fixedly connected to the main load-bearing beam; the main frame is also provided with a counterweight guide wheel, and the counterweight The guide wheel is fixedly connected to the main load-bearing beam and is drivingly connected to the traction machine.

As an improvement to the above technical solution, a counterweight beam pad is provided above the intersection of the counterweight load-bearing beam and the auxiliary load-bearing beam, and one of the counterweight counter ropes is provided on the counterweight beam pad.

As an improvement to the above technical solution, a counterweight rope head plate is provided on one end of the counterweight beam pad close to the auxiliary load-bearing beam, and a counterweight rope head plate is provided on the car anti-sheave of the auxiliary load-bearing beam close to the counterweight beam pad. There is a car rope head plate, and the car rope head plate is located between the end of the counterweight load-bearing beam and the car anti-sheave.

As an improvement of the above technical solution, the bottom of the car reverse sheaves is provided with car wheel pads, and the car rope head plate is provided on the car wheel pads.

As an improvement to the above technical solution, the positions of the car anti-sheaves located on the main load-bearing beam and the auxiliary load-bearing beam correspond to each other, and the axes are on the same straight line.

As an improvement of the above technical solution, a car guard is provided above the main load-bearing beam and the auxiliary load-bearing beam, and the car guard is used to cover the two car reverse sheaves located on the same load-bearing beam. ; The counterweight counter pulleys are equipped with counterweight shields, and the car guide wheels are equipped with guide wheel shields.

As an improvement of the above technical solution, the counterweight reverse sheave, the car guide wheel and the car reverse sheave are all provided with axle fixing assemblies at their rotating axes, and are fixedly connected through the axle fixing assemblies;

The wheel axle fixing assembly includes a bottom plate, a limiting plate and a connecting plate. The bottom plate is located below the rotating shaft. The limiting plates are located on both sides of the rotating shaft to limit the moving position of the rotating shaft on a plane; the connecting plate is located at the bottom of the rotating shaft. above the rotating shaft, and both ends are fixedly connected to the limiting plates to limit the longitudinal movement position of the rotating shaft.

Correspondingly, the utility model also provides a large cargo elevator system, including the above-mentioned machine room structure.

Implementing the embodiments of the present utility model has the following beneficial effects:

The utility model improves the setting positions of the car load-bearing beam and the counterweight load-bearing beam in the machine room structure. At the same time, the traction ratio of the car guide wheel, the counterweight reverse sheave and the car reverse sheave is 8:1. The unique winding arrangement can improve the load-carrying capacity of the freight elevator system without increasing the specifications of the traction machine, thereby reducing the installation cost of large-load freight elevators. Secondly, the utility model also optimizes the arrangement of the car guide wheel, the counterweight reverse sheave and the car reverse sheave, thereby reducing the installation and layout difficulty of the machine room structure.

Description of the drawings

Figure 1 is a top view of the machine room structure according to an embodiment of the present invention;

Figure 2 is a view from direction A in Figure 1;

Figure 3 is a view from direction B in Figure 1;

Figure 4 is a view from the direction C in Figure 1;

Figure 5 is an installation view of the wheel axle fixing assembly according to one embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

Referring to Figures 1 to 5, in order to improve the load-bearing capacity of the traction machine, the utility model provides a machine room structure of a large-load freight elevator system, including a main load-bearing beam 1, an auxiliary load-bearing beam 2, a counterweight load-bearing beam 3 and Car load-bearing beam 4.

Specifically, the main load-bearing beam 1 and the auxiliary load-bearing beam 3 are arranged parallel to each other, the counterweight load-bearing beam 3 is arranged between the main load-bearing beam 1 and the auxiliary load-bearing beam 2, and the two ends of the counterweight load-bearing beam 3 are respectively embedded in the main load-bearing beam 1 In the auxiliary load-bearing beam 2, the car load-bearing beam is arranged across 4 spans above the main load-bearing beam 1 and the auxiliary load-bearing beam 2. The main load-bearing beam 1, the auxiliary load-bearing beam 2, the counterweight load-bearing beam 3 and the car load-bearing beam 4 form an installation frame; there are three counterweight reverse sheaves 5 on the counterweight load-bearing beam 3, and a traction machine 6 is provided at the end of the main load-bearing beam 1 close to the counterweight load-bearing beam 3. The main load-bearing beam 1 is in the traction There are two car reverse sheaves 7 between the machine 6 and the end of the car load-bearing beam 4. There are two car guide wheels 8 on the car load-bearing beam 4. The auxiliary load-bearing beam 2 is on the counterweight load-bearing beam 3. There are two car reverse sheaves 7 between the car load-bearing beam 4 and the end of the car load-bearing beam 4.

Embodiments of the present utility model: First, the installation positions of the counterweight load-bearing beam 3 and the car load-bearing beam 4 on the main load-bearing beam 1 and the auxiliary load-bearing beam 2 are improved, and at the same time, the car anti-rope pulley 5 and the counterweight anti-rope pulley 7 are combined. The winding method with a traction ratio of 8:1 to the car guide wheel 8 enables this embodiment to improve the traction force of the heavy-duty freight elevator system without increasing the specifications of the traction machine 6, thereby reducing the cost of the large-load freight elevator system. installation costs. In addition, in this embodiment, there is only a pair of heavy load-bearing beams 3 between the main load-bearing beam 1 and the auxiliary load-bearing beam 2, and there is only one car load-bearing beam 4 across the main load-bearing beam 1 and the auxiliary load-bearing beam 2, which reduces the It reduces the difficulty of arranging the computer room structure.

Further, the bottom of the traction machine 6 is provided with a main frame 61, which is fixedly connected to the main load-bearing beam 1; the main frame 61 is also provided with a counterweight guide wheel 62, and the counterweight guide wheel 62 is fixedly connected to the main load-bearing beam 1. On the beam 1, and connected with the traction machine 6. A main frame 61 is provided at the bottom of the traction machine 6, leaving a certain installation space for the counterweight guide wheel 62, and the main frame 61 supports and fixes the traction machine 6.

Further, the bottom of the car reverse sheave 7 is provided with car wheel pads 71 . Providing the car wheel pad 71 at the bottom of the car anti-sheave 7 can appropriately raise the position of the car anti-sheave 7 and reserve enough installation space for the installation of various components of the elevator system.

Among them, the car wheel pads 71 on the auxiliary load-bearing beam 2 include a first car wheel pad 711 and a second car wheel pad 712. The auxiliary load-bearing beam 2 is provided with a first car wheel pad near the end of the counterweight load-bearing beam 3. There are 711 car wheel pads. The first car wheel pad 711 is provided with a car rope head plate 72 near the end of the counterweight load-bearing beam 3; The counterweight beam pad 51 is arranged in the same direction as the counterweight beam 3. A pair of counterweight pulleys 5 are disposed on the counterweight beam pad 51. The counterweight beam pad 51 is close to the counterweight beam pad 51. A counterweight rope head plate 52 is provided at the end of a car wheel pad 711 . Since the car wheel pad 71 is provided at the bottom of the car anti-sheave 7, the height of the car anti-sheave 7 is increased. Therefore, it is necessary to provide a counterweight beam pad 52 at the intersection of the counterweight load-bearing beam 3 and the auxiliary load-bearing beam 2, and a pair of counterweight reverse sheaves 5 are provided on the counterweight beam pad 51 to cooperate with the first The car reverse sheave 7 at the car wheel pad 711. In addition, since the height of the car anti-sheave 7 and the counterweight anti-sheave 5 arranged on the counterweight beam pad 51 becomes higher, the car rope head plate 72 needs to be arranged at the first car wheel pad 711. The counterweight rope head plate 52 needs to be arranged at the counterweight beam pad 51 .

Preferably, the positions of the car anti-sheaves 7 located on the main load-bearing beam 1 and the auxiliary load-bearing beam 2 correspond to each other, and the axes are on the same straight line. In order to ensure smooth operation of the freight elevator during operation, the positions of the car reverse sheaves 7 respectively provided on the main load-bearing beam 1 and the auxiliary load-bearing beam 2 need to correspond one to one, and the axes should be on the same straight line.

Further, a car guard 73 is provided above the main load-bearing beam 1 and the auxiliary load-bearing beam 2. The car guard 73 is used to cover the two car anti-ropes 7 located on the same load-bearing beam; the counterweight anti-rope The wheels 5 are equipped with counterweight guards 53, and the car guide wheels 8 are equipped with guide wheel guards 81. The car guard 73, the counterweight guard 53 and the guide wheel guard 83 can prevent the components of the elevator system from accumulating dust after long-term use.

Further, the counterweight reverse sheave 5, the car guide pulley 7 and the car reverse sheave 8 are all provided with axle fixing assemblies 9, and are fixedly connected through the axle fixing assembly 8; the axle fixing assembly 8 includes a bottom plate 91 , limiting portion 92 and connecting plate 93, the bottom plate 91 is provided below the rotating shaft, and two limiting portions 92 are vertically provided on the bottom plate 91, and the limiting plates 92 are provided on both sides of the rotating shaft to limit the movement of the rotating shaft in the plane. Moving position; the connecting plate 93 is located above the rotating shaft, and both ends are fixedly connected to the limiting plate 92 to limit the longitudinal moving position of the rotating shaft.

In the prior art, the counterweight reverse sheave 5, the car reverse sheave 7 and the car guide pulley 8 all need to be fixed with U-shaped bolts during the fixing process. This fixing method requires opening holes on the load-bearing beams first. , but the hole opening accuracy will affect the installation accuracy of the components. If the accuracy is not up to standard, the holes need to be drilled again, seriously affecting the installation efficiency. Therefore, the counterweight reverse sheave 5, the car reverse sheave 7 and the car guide pulley 8 of this embodiment are fixedly connected using the axle fixing assembly 9, and the axle fixing assembly 9 includes a bottom plate 91, a limiting portion 92 and a The connecting plate 93 limits and fixes the axle of the component through the limiting portion 92 and the connecting plate 93, avoiding the need to drill holes in the load-bearing beam, which can effectively improve the installation efficiency and accuracy of the component.

Correspondingly, the present invention also provides a large-load freight elevator system, including the above-mentioned machine room structure.

The above is the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications can be made without departing from the principles of the present utility model. These improvements and modifications can It is also regarded as the protection scope of the present utility model.

Claims (8)

1. A machine room structure for a large load freight elevator system, which is characterized in that it includes a main load-bearing beam, an auxiliary load-bearing beam, a counterweight load-bearing beam and a car load-bearing beam; The main load-bearing beam and the auxiliary load-bearing beam are arranged parallel to each other, the counterweight load-bearing beam is arranged between the main load-bearing beam and the auxiliary load-bearing beam, and both ends of the counterweight load-bearing beam are embedded in the main load-bearing beam respectively. and in the auxiliary load-bearing beam, the car load-bearing beam is arranged across the top of the main load-bearing beam and the auxiliary load-bearing beam, and the main load-bearing beam, the auxiliary load-bearing beam, the counterweight load-bearing beam and the car load-bearing beam surround the installation frame; The counterweight load-bearing beam is provided with three counterweight reverse sheaves. The end of the main load-bearing beam close to the counterweight load-bearing beam is provided with a traction machine. The main load-bearing beam is located between the traction machine and the car load-bearing beam. There are two car reverse sheaves between the ends of the car, and two car guide wheels are provided on the car load-bearing beam. The auxiliary load-bearing beam is between the ends of the counterweight load-bearing beam and the car load-bearing beam. There are two car reverse pulleys in the room. 2. The machine room structure according to claim 1, characterized in that a main frame is provided at the bottom of the traction machine, and is fixedly connected to the main load-bearing beam through the main frame; there is also a main frame inside the main frame. The counterweight guide wheel is fixedly connected to the main load-bearing beam and is drivingly connected to the traction machine. 3. The machine room structure according to claim 1, characterized in that the bottoms of the car reverse sheaves are equipped with car wheel pads. 4. The machine room structure according to claim 3, wherein the car wheel pads on the auxiliary load-bearing beam include a first car wheel pad and a second car wheel pad, and the auxiliary load-bearing beam The first car wheel pad is provided near the end of the counterweight and load-bearing beam, and the first car wheel pad is provided with a car rope head plate near the end of the counterweight and load-bearing beam; A counterweight beam pad is provided above the junction of the counterweight load-bearing beam and the auxiliary load-bearing beam. The counterweight beam pad is arranged in the same direction as the counterweight load-bearing beam. One of the counterweight anti-sheave wheels is provided. On the counterweight beam pad, a counterweight rope head plate is provided at an end of the counterweight beam pad close to the first car wheel pad. 5. The machine room structure according to claim 1 or 4, characterized in that the positions of the car anti-sheaves located on the main load-bearing beam and the auxiliary load-bearing beam correspond to each other, and the axes are on the same straight line. 6. The machine room structure according to claim 1, characterized in that a car guard is provided above the main load-bearing beam and the auxiliary load-bearing beam, and the car guard is used to cover the car located on the same load-bearing beam. There are two car anti-sheave wheels; the counterweight anti-sheave wheels are equipped with counterweight guards, and the car guide wheels are all equipped with guide wheel guards. 7. The machine room structure according to claim 1, wherein the counterweight reverse sheave, the car guide pulley and the car reverse sheave are all provided with axle fixing assemblies at their rotating axes, and are fixed by the axle. The components are fixedly connected; The wheel axle fixing assembly includes a bottom plate, a limiting portion and a connecting plate. The bottom plate is located below the rotating shaft. Two limiting portions are vertically provided on the bottom plate. The limiting plates are provided on both sides of the rotating shaft to limit the moving position of the rotating shaft on a plane; the connecting plate is provided above the rotating shaft, and both ends are fixedly connected to the limiting plates to limit the longitudinal moving position of the rotating shaft. 8. A large-load freight elevator system, characterized by including the machine room structure according to any one of claims 1-7.