RU177598U1 - FREIGHT LIFT MINE - Google Patents

Abstract

The utility model relates to the field of material handling equipment and can be used in the design and manufacture of mine hoists of buildings and structures. The shaft includes a prefabricated-welded multi-sectional frame with side and front walls and oppositely arranged guides installed inside in the form of perforated channels for placing catchers, while the frame is equipped with at least one additional guide located at a distance from any of the perforated guides for placing catchers . The mine provides reliable multi-level transportation of bulky and / or massive cargo, including cargo with an atypical center of gravity, for example, shifted or variable. 5 cp f-ly, 9 ill.

Description

The utility model relates to the field of material handling equipment and can be used in the design and manufacture of mine hoists of buildings and structures.

Known elevator shaft of the front-side loading and unloading containing prefabricated welded vertical sections and horizontal belts made of profile metal, the vertical movement of the cage is fixed to the side walls of the elevator shaft with the possibility of their displacement to one of the front walls to provide in addition to the front loading-unloading - lateral, in the upper part of the shaft there is a sub-winch frame or a frame with a roller for a traction cable [Description of the utility model to the RF patent No. 137024 of 10/18/2013, IPC В66В 9/00, В66 7/00, publ. 01/27/2014].

A disadvantage of the design of the well-known mine is the potential difficulties associated with the need for reliable transportation of bulky and massive loads in it, including the atypical location of the center of gravity, for example, cars, live cattle, etc. The result of this may be skewed cabs and wedged cabs. In addition, the need to turn the guides for vertical movement of the stand for their opposite arrangement when shifted to the front walls significantly complicates the metal structure and toughens the requirements for the accuracy of its manufacture.

A well-known self-supporting shaft of a front loading and unloading elevator containing a base plate, a prefabricated-welded multi-section frame with side and front walls and mounted inside opposed side guides vertical racks in the form of perforated channels for placement of braking catchers [Utility model description for RF patent No. 149432 from 05.09.2014, IPC В66В 9/00, publ. 01/10/2015].

A disadvantage of the known self-supporting mine, as in the previous case, is the practical impossibility of reliable transportation of bulky and massive cargo, including cargo with an atypical center of gravity. In addition, loading and unloading of transported goods in this mine is possible exclusively from the front walls of the frame.

The technical problem solved by this utility model and the technical result achieved is the creation of a freight elevator shaft for reliable multi-level transportation of bulky and / or massive loads, including loads with an atypical center of gravity, for example, shifted or changing.

To solve the technical problem and achieve the claimed technical result, the freight elevator shaft, including a prefabricated welded multi-section frame with side and front walls and two opposed guides installed inside in the form of perforated channels to accommodate catchers, the frame is additionally equipped with a guide to prevent the elevator car from swinging, moreover, said guide is located away from any of the perforated guides for I catchers.

In addition, the guide to prevent swinging of the elevator car is made of a channel.

The utility model is illustrated by characteristic drawings, where:

- in FIG. 1 shows a fragment in height of a general view of a shaft of a freight elevator in axonometric projection;

- in FIG. 2 shows a general view of the shaft for frontal and double lateral loading and unloading with a conditionally angled arrangement of guides for placing catchers and one additional guide;

- in FIG. 3 shows a characteristic cross section of the shaft of FIG. 2.

In the General case, the shaft of the freight elevator includes a prefabricated-welded multi-sectional frame 1 with side 2; 2 'and frontal 3; 3 'walls. Inside the frame 1 there are two opposed (opposite each other) located guides 4 in the form of perforated channels for placement of catchers (not shown conditionally). In addition, the mine frame 1 is additionally provided with a guide 5 to prevent the swing of the elevator car, which is located at a distance from any of the perforated guides 4 for placing the catchers, while the perforated guides 4 for placing the catchers can be located on the side walls 2 and 2 'of the frame 1 or on the front walls 3 and 3 ', or, as shown in FIG. 2 - at opposite joints 6 of the side walls 2 (2 ') with the front walls 3 (3').

The guides 5 to prevent the swinging of the elevator car’s swing are made, as a rule, of a bent or rolled metal profile in the shape of a channel (shown in figures 2 and 3), but the guides 4 can be made of a profile other than the channel, for example, from a corner, rail, pipe of rectangular, square or round cross-section, etc. (not shown conditionally).

Let us analyze the essential features of a utility model.

The presence of a guide 5 inside the frame 1 of the mine of the freight elevator to prevent the swing of the elevator car, located at a distance from any of the perforated guides 4 for placing catchers, after retrofitting the shaft with a elevator car, equipped with a mechanism for interacting with the rail 5, and the corresponding working electrical equipment (not shown conditionally) , to ensure smooth, without rocking, the movement of the cabin inside the frame 1 along its height. The larger the dimensions of the cab, the more relevant the presence of the guide 5 to prevent the swing of the elevator car, i.e. for its dynamic balancing. This is due to the fact that when loading a dimensional cabin it is more difficult to ensure accurate alignment of cargo, for example, a car, animals. A situation is not excluded when people move inside the cabin when it moves in violation of safety regulations. In addition, the ability to unload the cab in a direction different from the direction of its loading also requires dynamic balancing. Thus, it turns out that a more significant spacing of the guide 5 to prevent the swing of the elevator car from swinging from the main (perforated) guides 4 for placing the catchers provides a better and more reliable balancing of the loaded-unloaded and moving elevator car and its smooth running. As a result, the likelihood of skewing and wedging of the cabin is significantly reduced, and, therefore, the reliability of the freight elevator increases.

It should be noted that the placement of the guide 5 to prevent the swing of the elevator car from swinging on the walls 2 (2 ') or 3 (3') of the frame 1 or in its corners is determined on the basis of the possibility of adapting the metal structure to the conditions of the upcoming operation of the elevator and the requirements of the customer when installing it inside or outside building.

Perforated guides 4 for placement of catchers can be located (not shown conditionally) on the side walls 2 and 2 'or on the front walls 3 and 3' - as a rule, in the middle of the walls or on opposite joints of the side walls 2 (2 ') with the front walls 3 (3 ') (Figs. 2 and 3). This a priori means that the cabin’s own center of gravity is conditionally located in the middle of the floor. When loading such a cabin, where the theoretical center of gravity coincides with the visually identifiable actual center of gravity of the cabin, a conditionally uniform distribution of stationary loads over its floor area is ensured. All possible discrepancies in the center of gravity of the cabin and the loads placed inside it, including those moving arbitrarily, must be compensated by the installation of a guide 5 to prevent it from swinging. This prevents the spontaneous swaying of the loaded cab during its movement. It should be noted that the swinging cabin is skewed and can be taken aback, which will violate the geometrical parameters of the mine, and this will require unplanned repair work.

The placement of perforated guides 4 on opposite joints of the side walls 2 (2 ') with the front walls 3 (3') (see Figs. 2 and 3) in addition to the aforementioned, allows for a multidirectional load-unloading scheme of loads - both along the front and side , - at different levels. In contrast to the lateral or frontal arrangement of perforated guides 4 for placement of catchers with a “purely” lateral or “purely” frontal load-unloading scheme.

The implementation of additional guides 5 to prevent the swing of the elevator car from the channel, usually the same size as the perforated channels of the perforated guides 4 for placing catchers, unifies the metal structure of the shaft and the mating mechanisms of the elevator car. With proper use of these features, you can provide additional reliability of the freight elevator, ease of installation and further maintenance. At the same time, the use of other profiles as guides 5 to prevent the swing of the elevator car from swinging, while maintaining the reliability of the metal structure, for example, can additionally increase its longitudinal stability by using closed section profiles (pipes of various types) or, for example, reduce its cost by using simple profiles open section (such as corners or brands of various types). In all cases, the elevator car must have a mechanism of interaction with the guides 5 to prevent the swing of the elevator car. As a rule, this is an arbitrarily rotating profiled roller, less often a friction bracket made of abrasion resistant material such as polyamide.

We will consider the implementation of the utility model in the following Example.

As a rule, a freight elevator is designed for the function to be carried out, tied to a specific building and size restrictions.

Based on the design results, the details of the metal structure of the future mine are prepared - frame elements 1 and guides 4 and 5.

The disassembled mine is transported to the installation site. At an agreed place, the assembly of a welded multi-sectional frame 1 is carried out. Depending on the lifting capacity, the frame 1 may have, as a simple structure, the type shown in FIG. 1, and a more complex spatial design with many braces - everything is determined by the number of levels served, the total height of the shaft, the possibility of using building elements as supports, etc. In the direction of loading and unloading, the mounted frame has technological windows.

Further, depending on the type of lifting mechanism, perforated guides 4 are mounted to accommodate catchers. They are placed on the entire height of the shaft opposite on the side walls 2 and 2 'of the frame 1, which are free of technological windows, or on the front walls 3 and 3', or on the opposite joints 6 of the side walls 2 (2 ') with the front walls 3 (3'). The fastening of the guides 4 with the frame 1 is carried out on bolts or by welding.

After mounting the perforated guides 4 for catchers, a guide 5 is mounted to prevent the swing of the elevator car. Its fastening is also carried out on bolts or by welding.

The mounted mine is equipped with a cabin and a lifting mechanism with catchers. The cabin is fixed on the main (perforated) guides 4 and guide 5 to prevent the swing of the elevator car. Doors are mounted on technological windows.

The freight elevator is ready for use.

To raise, for example, a car, the cabin goes down and goes down to the desired level, for example, on the first floor. Shaft doors and cabin doors open. The car enters the cab. Cab doors and mine doors are closing. The cabin smoothly, without swaying, rises to the desired level. Successively open the corresponding doors of the shaft and the door of the cab, and the car drives out in the right direction.

Doors are also sequentially closed and the lift is ready for transporting next loads.

There are other options for the implementation of the mine freight elevator, in addition to the figures shown in the drawings, however, all of them should be based on the use of essential features of this utility model.

As a result of using the utility model, a freight elevator shaft was created for reliable multi-level transportation of bulky and / or massive loads, including loads with an atypical center of gravity, for example, shifted or changing.

Claims (2)

1. The shaft of the freight elevator, including a prefabricated-welded multi-sectional frame with side and front walls and two opposed guides installed inside in the form of perforated channels for placing catchers, characterized in that the frame is additionally equipped with a guide to prevent the swing of the elevator car, and the said guide is located away from any of the perforated rails to accommodate catchers. 2. Mine according to claim 1, characterized in that the guide for preventing the swinging of the elevator car’s cabin is made of a channel.

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