JPS6330782Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] This invention relates to an elevator device, and particularly relates to an elevator device in which the vibration surface during elevator movement is improved.

[Technical background of the invention and its problems]

Generally, in an elevator system, a hoistway is constructed in a building, and a pair of guide rails are attached to both sides of the hoistway with support members along the up and down direction, and passengers are suspended on these guide rails with hanging ropes. A structure that allows the cage to run is adopted.

By the way, in this type of elevator device, the propagation of vibrations accompanying the elevator's ascending and descending operations is a concern. The background to this is the rationalization of construction methods and the reduction in weight of building materials in recent years.In detail, when the car goes up and down, the guide rails vibrate due to sliding or rolling on the guide rails, and this vibration passes through the support member to the wall of the hoistway,
Furthermore, the problem spreads to the living room adjacent to the hoistway, causing discomfort to the people in the room. Moreover,
This vibration increases as the travel speed of the elevator increases, and the noise in living rooms also increases with this vibration, making it an important problem as buildings become taller. Note that the same applies to the guidance of the counterweight.

Therefore, in view of the propagation of vibrations, a technique shown in FIG. 1 has been proposed. This has a structure in which an elastic body c such as rubber is inserted between a bracket b as a support member that supports the guide rail a and the guide rail a, and the elastic body c absorbs vibrations generated on the side of the guide rail a. , which we try to absorb. Note that d indicates the wall of the hoistway c.

However, according to the technique of inserting the elastic body c between the bracket b and the guide rail a, the guide rail a, which is in charge of lifting and lowering guidance, is destroyed or deformed due to fire or fatigue of the elastic body c, and the guide rail a, which is in charge of elevating guide, is removed from the bracket b. This poses a safety problem as there is a danger that the

[Purpose of invention]

This idea was devised in view of the above circumstances, and its purpose is to improve safety while preventing the vibrations and noise generated during elevator movement from propagating to rooms adjacent to the hoistway. Our goal is to provide elevator equipment that can.

[Summary of the idea]

This idea uses the absorption effect of the vibration absorbing member to attenuate vibrations generated on the guide rail side by attaching a vibration absorbing member to the support member that supports the guide rail, thereby preventing the propagation of vibrations and noise to adjacent rooms. The aim is to minimize this and also to ensure safety in supporting the support member of the guide rail.

[Example of idea]

This invention will be explained below based on a first embodiment shown in the drawings. In FIG. 2, reference numeral 1 denotes a hoistway formed within the building 2, and a pair of guide rails 3, 3 are disposed on opposing sides of the hoistway 1, respectively, along the lifting direction. Further, each guide rail 3, 3 is supported by the wall portions 5, 5 of the hoistway 1 by a plurality of support portions 4, which will be described later. A car 7 suspended by hanging ropes 6 is disposed between these guide rails 3, 3 so as to be movable up and down, forming an elevator system. In addition, 3a... is a guide device.

On the other hand, the structure of the support portion 4, which is the gist of this invention, is shown in detail in FIGS. 3a and 3b. To explain the support part 4, reference numeral 8 in the figure is a support member, for example, a bracket formed into an L-shaped plate, and one end of this bracket 8 is firmly fixed to the wall part 5 by welding or the like. Further, the guide rail 3 is fastened and fixed to the other protruding end of the bracket 8 with clips 9a, 9a and bolts 9b, 9b, thereby supporting the guide rail 3. A vibration absorbing member 10 formed into a plate shape from a rubber-asphalt material that does not generate harmful gas when burned is attached to, for example, the upper surface of the bracket 8 with an adhesive. Further, the vibration absorbing member 10 is fastened together with the bracket 8 from the vertical direction of the center using fasteners including a through bolt 11 and a nut 12, thereby preventing separation of the vibration absorbing member 9 and improving the vibration absorbing effect by applying pressure. .

Therefore, in the elevator device configured in this way, the guide rails 3,
The vibrations generated from the brackets 3 are absorbed and attenuated by the vibration absorbing members 10 on the way to the brackets 8.

In this way, vibration and noise propagating to the chamber adjacent to the hoistway 1 can be prevented. According to experiments, vibration levels and noise levels were measured using a vibration absorbing member 10 having a thickness approximately five times the thickness of the bracket 8 and using an epoxy resin adhesive as an adhesive. Compared to conventional models, vibration levels were reduced by 2 to 4 dB, and noise levels were also reduced to the same extent.

Furthermore, by attaching the vibration absorbing member 10 to the bracket 8, even in the event of a fire, the bracket 8 will not shift relative to the guide rail 3, and fatigue will not easily occur, resulting in improved safety and durability. Excellent. Furthermore, since the vibration absorbing member 10 is made of a rubber-asphalt material, there is an advantage that no harmful gas is generated even if the vibration absorbing member 10 is burned in the event of a fire.

Furthermore, this invention is not limited to the above-mentioned embodiments, but includes the second embodiment shown in FIG. 4, the third embodiment shown in FIG. 5, and the fourth embodiment shown in FIG. You can also do this.

That is, in the second embodiment, this invention is applied to a support portion 4 formed by fixing a crank-shaped bracket 8 with an anchor bolt 15.

Further, in the third embodiment, a plate-shaped cover member 16 is superimposed on the vibration absorbing member 10 attached to the bracket 8, and the vibration absorbing member 10 is tightened and fixed from both sides with fasteners such as through bolts 11 and nuts 12. In this way, a high vibration absorbing effect can be expected due to pressurization on the vibration absorbing member 10 side, which further contributes to preventing the propagation of vibrations and noise.

In the fourth embodiment, this invention is applied to an elevator system in which the guide rails 3, 3 are supported from both side walls of the hoistway 1 by support members composed of brackets 8, 8 and support beams 8a. Specifically, a plurality of vibration absorbing members 10 are mounted on a support beam 8a. In this way, high vibration absorption performance can be obtained. According to experiments, it was possible to see a reduction in vibration level and noise of about 4 to 6 dB.

In addition, in each of the above-mentioned embodiments, explanations have been given of cases in which this invention is adopted for the guide rail that guides the car, but the guide rail that guides the balancing weight involved in the lifting and lowering movement of the car in the up-and-down direction of the hoistway. Needless to say, this idea can also be applied to.

[Effect of idea]

As explained above, this invention has a structure in which the vibration absorbing member is attached to the support member that supports the guide rail, so that vibrations generated on the guide rail side can be avoided without changing the support between the guide rail and the support member. Vibration can be attenuated by the absorption effect of the vibration absorbing member.

Therefore, it is possible to prevent vibrations and noise from propagating to a room adjacent to the hoistway while ensuring safety.

[Brief explanation of the drawing]

FIG. 1 is a side view showing the structure around the guide rail of a conventional elevator device, and FIG. 2 is a side sectional view showing the elevator device of the first embodiment of this invention.
Figures 3a and b are a plan sectional view and side view showing the structure around the guide rail, Figure 4 is a side view showing the second embodiment of this invention, and Figure 5 is the third embodiment. FIG. 6 is a side view showing the fourth embodiment, and FIG. 6 is a plan sectional view showing the fourth embodiment. DESCRIPTION OF SYMBOLS 1... Hoistway, 3... Guide rail, 7... Car, 8, 8a... Bracket, support beam (support member), 10... Vibration absorbing member, 11, 12... Bolt,
Nut (fastener), 16...Cover member.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A guide for guiding a car or a counterweight up and down by fixing a number of supporting members in a protruding state at intervals vertically on the inner wall of the hoistway, and guiding a car or a counterweight to the tip of these supporting members. An elevator device equipped with a rail, characterized in that a rubber-asphalt-based vibration absorbing member is affixed to the midway upper surface of a support member that supports the guide rail at its tip, and is fixed under pressure with a fastener. Device. (2) The elevator device according to claim 1 of the utility model registration, characterized in that the vibration absorbing member has a cover member superimposed on the upper surface thereof, and is fixed together with the cover member under pressure to the upper surface of the supporting member using a fastener. .