JP2015157677A - Elevator device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To propose an elevator device which can improve and maintain soundproof effect.SOLUTION: This invention provides an elevator device comprising covers covering a sheave, a deflector wheel and a rope respectively, wherein the covers comprises a sheave cover covering the sheave, a deflector wheel cover covering the deflector wheel, and a rope cover covering the rope, and the sheave cover, deflector wheel cover and rope cover have a double structure in which noise-absorbing sound absorption material is sandwiched between two iron plates.

Description

  The present invention relates to an elevator apparatus.

  Conventionally, the structure which covers the hoisting machine in an elevator apparatus with a cover is disclosed. For example, Patent Document 1 discloses a structure in which a sound absorbing material such as glass wool is bonded to a protective plate, and this protective plate is installed on the side of the hoisting machine. According to Patent Document 1, noise generated from a hoisting machine is absorbed by a sound absorbing material, and noise can be prevented from leaking to the outside.

  Patent Document 2 discloses a structure in which a box-shaped cover is installed so as to cover the entire motor and drive sheave. According to Patent Document 2, as in Patent Document 1, it is possible to suppress the noise generated by the electric motor from propagating in the hoistway, particularly in the car room.

  Patent Document 3 discloses a structure in which an exhaust device, a filter, and a filter oil receiver are installed on a cover. According to this patent document 3, even when the oil impregnated in the elevator rope is scattered by centrifugal force or vibration applied to the elevator rope, it is possible to reliably prevent the oil from scattering outside the cover. I can do it.

JP-A-60-183286 JP 2000-226173 A JP 2004-203523 A

  However, in the techniques described in Patent Documents 1 to 3, when a sound absorbing material is bonded to a cover in order to improve the soundproofing effect, and this cover is installed so as to cover the entire hoisting machine, oil scattered from the elevator rope absorbs the sound. Adhere to and deposit on the material. In this case, operations such as cleaning and replacement for removing the adhered and accumulated oil from the sound absorbing material are required. Since such operations cannot be performed frequently, there is a problem that even if the soundproofing effect is improved by the sound absorbing material, the soundproofing effect cannot be maintained.

  The present invention has been made in view of the above points, and proposes an elevator apparatus capable of improving and maintaining the soundproofing effect.

  In order to solve such a problem, in the present invention, in the elevator apparatus provided with a cover that covers the sheave, the deflector, and the rope, the cover includes a sheave cover that covers the sheave, and a deflector cover that covers the deflector. The rope cover covers the rope, and the sheave cover, the deflector cover, and the rope cover have a double structure in which a sound absorbing material that absorbs noise is sandwiched between two iron plates.

  According to the present invention, the soundproofing effect can be improved and maintained.

It is a whole block diagram of an elevator apparatus. It is an upper section lineblock diagram of a sheave cover. It is a section lineblock diagram of a baffle car cover. It is a section lineblock diagram of the 1st oil pan. It is a section lineblock diagram of a rope cover. It is a side surface lineblock diagram of the 2nd oil receptacle. It is a route diagram of noise and oil. It is a route diagram of noise and oil in other embodiments.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

(1) Whole structure FIG. 1: shows the whole structure of the elevator apparatus 1 in this Embodiment. The elevator apparatus 1 includes a first machine room 11 and a second machine room 12 in the upper part of the hoistway 10. A cradle 111 and a support beam 112 are installed in the first machine room 11, and a hoisting machine main body 113 is mounted on the cradle 111 and the support beam 112. The hoisting machine main body 113 is a device for raising and lowering a passenger car and a counterweight (not shown) in the hoistway 10.

  In the first machine room 11, a sheave 114 that is rotated by the hoisting machine main body 113 is installed. A plurality of ropes 115 for suspending a car and a counterweight are wound around the sheave 114, and the ropes 115 are impregnated with oil. A sheave cover 116 fixed to the hoisting machine main body 113 is provided on the circumference of the sheave 114. Details of the sheave cover 116 will be described later (FIG. 2).

  In the first machine room 11, a deflecting wheel 119 supported by a beam 117 and fixed by a metal fitting 118 is installed. The sled wheel 119 is a pulley for guiding the rope 115 wound around the sheave 114 to the counterweight. A baffle cover 120 is installed around the baffle wheel 119, and a first oil receiver 121 is installed below the baffle car cover 120. Details of the deflector cover 120 and the first oil receiver 121 will be described later (FIGS. 3 and 4).

  In the second machine room 12, a route of a rope 115 for connecting the sheave 114 and the deflector 119 to the car and the counterweight in the hoistway 10 is formed. A cover 122 is installed, and the rope cover 122 is fixed by a metal fitting 123 installed on the ceiling of the second machine room 12 and a metal fitting 124 installed on the floor surface. A second oil receiver 125 is installed below the rope cover 122. Details of the rope cover 122 and the second oil receiver 125 will be described later (FIGS. 5 and 6).

(2) Detailed Configuration of Each Part FIG. 2 shows an upper cross-sectional configuration of the sheave cover 116. The sheave cover 116 is installed so as to surround the circumference of the sheave 114. The sheave cover 116 is composed of an iron plate 1161 and a sound absorbing material 1162, and has a structure in which the sound absorbing material 1162 is sandwiched between two iron plates 1161.

  By having a structure in which the sound absorbing material 1162 is sandwiched between two iron plates 1161, noise generated from the sheave 114 and the rope 115 propagates to the iron plate 1161 and the iron plate 1161 vibrates, so that the noise due to the vibration of the iron plate 1161 is effective Can be absorbed. Further, the oil impregnated in the rope 115 can be prevented from adhering to and accumulating on the sound absorbing material 1162.

  FIG. 3 shows a cross-sectional configuration of the deflector cover 120. The deflector cover 120 is installed so as to surround the four directions of the deflector 119. The deflector cover 120 includes an iron plate 1201, a sound absorbing material 1202, and a protrusion 1203, and has a structure in which the sound absorbing material 1202 is sandwiched between two iron plates 1201.

  Further, the deflector cover 120 has a structure in which a plurality of protrusions 1203 are provided on the surface of the iron plate 1201 facing the side surface of the rope 115 out of the two iron plates 1201 sandwiching the sound absorbing material 1202. The protrusion 1203 is provided with a hole 1204 that communicates with the sound absorbing material 1202.

  By providing the hole 1204 in the iron plate 1201, noise generated from the baffle wheel 119 and the rope 115 can directly enter the sound absorbing material 1202 without going through the iron plate 1201. Therefore, the soundproofing effect can be improved. Further, by providing the protrusion 1203, it is possible to prevent oil scattered from the rope 115 from entering the sound absorbing material 1202 from the hole 1204 and adhering and accumulating. The noise and oil paths will be described later (FIGS. 7 and 8).

  In addition, since the protrusion 1203 is not provided on the circumferential steel plate 1201 where the oil impregnated in the rope 115 directly scatters, it is possible to prevent the oil from directly entering the sound absorbing material 1202. it can. The oil scattered on the iron plate 1201 on the circumferential surface side can be recovered by the first oil receiver 121 which will be hung on the iron plate 1201 and will be described later.

  FIG. 4 shows a cross-sectional configuration of the first oil receiver 121. The first oil receiver 121 is installed at the lower part of the deflector cover 120. The first oil receiver 121 includes an iron plate 1211 and a sound absorbing material 1212, and has a structure in which the sound absorbing material 1212 is sandwiched between two iron plates 1211.

  By having a structure in which the sound absorbing material 1212 is sandwiched between two iron plates 1211, noise generated by the baffle wheel 119 and the rope 115 propagates to the iron plate 1211 and the iron plate 1211 vibrates, so that the noise caused by the vibration of the iron plate 1211 is effective. Can be absorbed. Further, by installing the first oil receiver 121, it is possible to easily recover the oil that has been scattered on the sheave cover 116 and the deflector cover 120 and dripped downward.

  FIG. 5 shows a cross-sectional configuration of the rope cover 122. The rope cover 122 is installed so as to surround the four sides of the rope 115. The rope cover 122 includes an iron plate 1221, a sound absorbing material 1222, and a protrusion 1223, and has a structure in which the sound absorbing material 1222 is sandwiched between two iron plates 1221.

  The rope cover 122 has a structure in which a plurality of protrusions 1223 are provided on the surface of the iron plate 1221 facing the rope 115 out of the two iron plates 1221 sandwiching the sound absorbing material 1222. The protrusion 1223 is provided with a hole 1224 that communicates with the sound absorbing material 1222.

  By providing the hole 1224 in the iron plate 1221, noise generated in the rope cover 122 can be directly entered into the sound absorbing material 1222 without going through the iron plate 1221. Therefore, the soundproofing effect can be improved.

  Further, by providing the protrusion 1223, it is possible to prevent oil scattered from the rope 115 from entering the sound absorbing material 1222 from the hole 1224 and adhering and accumulating. The noise and oil paths will be described later (FIGS. 7 and 8).

  FIG. 6 shows a cross-sectional configuration of the second oil receiver 125. The second oil receiver 125 is installed below the rope cover 122. By installing the second oil receiver 125, it is possible to easily collect the oil that has fallen down on the sheave cover 116, the baffle cover 120, and the rope cover 122.

  FIG. 7 shows noise and oil paths on the iron plate 1201 of the deflector cover 120. As shown in FIG. 7, the noise directly enters the hole 1204 provided in the protrusion 1203. On the other hand, the oil drips on the iron plate 1201 from the upper side to the lower side so as to avoid the protrusion 1203. A groove serving as a passage for oil may be provided at a place other than the protrusion 1203 on the iron plate 1201.

  Therefore, in the iron plate 1201 having the protrusions 1203 and the holes 1204, it is possible to prevent oil from adhering and accumulating on the sound absorbing material 1202 while effectively absorbing noise. The same action can be obtained for the iron plate 1221, the protrusion 1223, and the hole 1224 in the rope cover 122.

  FIG. 8 shows noise and oil paths in another embodiment. The deflector cover 120A according to another embodiment has the same configuration except that the shape of the protrusion 1203A is different from the protrusion 1203. The protrusion 1203A is formed by turning up part of the iron plate 1201A.

  As shown in FIG. 8, the noise directly enters the hole 1204A formed below the protrusion 1203A and is absorbed by the sound absorbing material 1202A. On the other hand, the oil travels on the protrusion 1203A and falls downward at the end of the protrusion 1023A.

  Therefore, even in the iron plate 1201A having the protrusions 1203A and 1204A, it is possible to prevent the oil from adhering and accumulating on the sound absorbing material 1202A while effectively absorbing noise. The same effect can be obtained by applying the other embodiments to the rope cover 122 as well.

(3) Effects of the present embodiment As described above, according to the elevator apparatus 1 of the present embodiment, the sheave cover 116, the baffle cover 120, and the rope cover 122 are attached to the entire hoisting machine body 113 and the rope 115. The sheave cover 116, the baffle cover 120, and the rope cover 122 are configured so as to sandwich the sound absorbing material between the two iron plates, and the iron plate facing the rope 115 of the two iron plates. In addition, since the side iron plate is provided with a plurality of protrusions and a hole leading to the sound absorbing material, noise is directly introduced from the hole to be absorbed by the sound absorbing material, and the oil avoids the protrusion. Since it can be hung, it can be prevented from adhering to and accumulating on the sound absorbing material. Therefore, the soundproofing effect can be improved and maintained.

DESCRIPTION OF SYMBOLS 1 Elevator apparatus 113 Hoisting machine main body 114 Sheave 115 Rope 116 Sheave cover 119 Baffle 120 120 Baffle cover 121 First oil receiver 122 Rope cover 124 Second oil receiver

Claims (5)

In an elevator apparatus with a cover covering a sheave, a deflector and a rope,
The cover is
A sheave cover covering the sheave,
A deflector cover covering the deflector;
A rope cover covering the rope,
The sheave cover, the deflector cover and the rope cover are:
An elevator apparatus characterized by having a double structure in which a sound absorbing material that absorbs noise is sandwiched between two iron plates. The baffle cover is
Of the two iron plates that sandwich the sound absorbing material, a plurality of protrusions are provided on the surface of the iron plate facing the deflecting wheel, and a hole leading to the sound absorbing material is provided at the center of the plurality of protrusions. ,
The rope cover is
Of the two iron plates, a plurality of protrusions are provided on the surface of the iron plate facing the rope, and a hole leading to the sound absorbing material is provided at the center of the plurality of protrusions. The elevator apparatus according to claim 1. The baffle cover is
The elevator apparatus according to claim 2, wherein the protrusion and the hole are provided on a surface of an iron plate that is installed in a lateral direction with respect to the deflecting vehicle among the iron plates facing the deflecting vehicle. A first oil pan is provided at a lower portion of the deflector cover, and collects oil when the oil scattered toward the sheave cover and the deflector cover falls down. The elevator apparatus as described in any one of Claims 1-3. A second oil receiver that is provided at a lower portion of the rope cover and collects the sheave cover, the baffle cover, and the oil that splashes toward the rope cover when the oil drops downward. The elevator apparatus as described in any one of Claims 1-3 characterized by the above-mentioned.

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