CN107601220B - Noise reduction system for vertical elevator - Google Patents
Noise reduction system for vertical elevator Download PDFInfo
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- CN107601220B CN107601220B CN201711018240.4A CN201711018240A CN107601220B CN 107601220 B CN107601220 B CN 107601220B CN 201711018240 A CN201711018240 A CN 201711018240A CN 107601220 B CN107601220 B CN 107601220B
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- noise reduction
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- reduction device
- elevator
- noise
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Cage And Drive Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a noise reduction system for a vertical elevator, which comprises a first noise reduction unit, a second noise reduction unit, a third noise reduction unit and a fourth noise reduction unit, wherein the first noise reduction unit comprises a noise reduction rod group arranged on a traction steel wire rope, the second noise reduction unit comprises a first noise reduction device and a second noise reduction device which are arranged at the top of a lift car and used for reducing noise of a fan or an air conditioner, the third noise reduction unit comprises at least one noise reduction hole formed in the side wall of a lift shaft, a double-layer filter screen is arranged on the noise reduction hole, an exhaust fan is arranged between the double-layer filter screens, a shutter which is obliquely arranged downwards is arranged outside the noise reduction hole, and the fourth noise reduction unit comprises a sound absorption structure arranged on the lift car.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a noise reduction system for a vertical lift elevator.
Background
Vertical lift elevators are widely used in modern life, and as is well known, noise pollution is generated in the elevator during operation, the noise pollution source of the elevator is usually generated by the braking of the elevator, the elevator braking process relates to a traction system and a guide system, the traction system comprises a motor, a traction steel wire rope, a guide wheel, a counter rope pulley group and the like, the guide system comprises a guide rail, a guide rail frame and the like, noise generated by resonance, resonance or friction of the equipment during operation is easily transmitted to the inside of the elevator car, the second elevator is generated by high-speed operation of the elevator car in a hoistway, the air is instantaneously and rapidly compressed when the elevator is in high-speed up-down reciprocating operation in the hoistway, meanwhile, the air at a gap between the elevator car and the hoistway is suddenly increased relative to the speed of the car body, so that great wind resistance is generated, wind resistance noise is generated due to the fact that the resistance acts on the elevator car, and the air flow can be greatly separated and discontinuous due to the sudden increase of the air flow speed, the discontinuous shedding and the pressure in the vortex field can be generated, the discontinuous shedding and the noise can be generated to the inside the elevator, the noise is further generated, the noise is generated, and the air is suddenly and the noise is generated by the vortex flow through the air fan or the air in the air conditioner, and the air conditioner is generated by the air through the air conditioner.
Noise pollution of a vertical lift elevator belongs to low-frequency noise pollution in a closed environment, a noise source is fixed and stable, the use comfort is greatly influenced by the existence of noise, and the long-term use of the vertical lift elevator can even influence the health of a human body, so that the noise reduction treatment is necessary, but the conventional vertical lift elevator has single noise reduction treatment means and fewer channels, and due to the particularity of noise sound wave propagation, the conventional vertical lift elevator cannot achieve the established noise reduction effect by single treatment or improvement from a certain aspect, so that the invention aims to utilize a noise reduction system to carry out integral noise reduction treatment on the conventional vertical lift elevator, improve the operation quality of the elevator and improve the use comfort, thereby reducing the negative influence of the elevator noise on the life of people to the minimum.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a noise reduction system for a vertical lift elevator, so as to solve the problems in the background art.
The technical problems solved by the invention are realized by adopting the following technical scheme:
a noise reduction system for a vertical lift elevator comprises a first noise reduction unit, a second noise reduction unit, a third noise reduction unit and a fourth noise reduction unit, wherein
The first noise reduction unit comprises noise reduction rod groups arranged on the traction steel wire rope, each noise reduction rod group comprises at least one noise reduction rod, each noise reduction rod comprises two sections of rubber short rods which are vertically and symmetrically arranged and an elastic connecting piece which is fixedly connected with the two sections of rubber short rods, the elastic connecting piece is fixed on the traction steel wire rope through a clamping piece which is transversely arranged, each noise reduction rod group comprises a first noise reduction rod group, a second noise reduction rod group and a third noise reduction rod group, the first noise reduction rod group and the second noise reduction rod group are arranged on the traction steel wire rope at the upper part of a hoistway, and the third noise reduction rod group is arranged on the traction steel wire rope at the lower part of the hoistway;
the second noise reduction unit comprises a first noise reduction device and a second noise reduction device which are arranged at the top of the lift car, wherein the first noise reduction device is of a basin-shaped structure which is reversely buckled and fixed at the top of the lift car, the top of the first noise reduction device is provided with an air inlet, a fan or an air conditioner is arranged at the air inlet, the bottom of the first noise reduction device is communicated with the inside of the lift car through a filter screen arranged at the top of the lift car, the second noise reduction device is of a basin-shaped structure arranged in the inside of the first noise reduction device, the top opening of the second noise reduction device faces the air inlet, the second noise reduction device is fixedly connected with the first noise reduction device, and wind generated by the fan or the air conditioner sequentially passes through the second noise reduction device and the first noise reduction device to be decelerated and then enters the inside of the lift car through the filter screen;
the third noise reduction unit comprises at least one noise reduction hole which is formed in the side wall of the well, a double-layer filter screen is arranged on the noise reduction hole, an exhaust fan is arranged between the double-layer filter screens, and a shutter which is obliquely arranged downwards is arranged outside the noise reduction hole;
the fourth noise reduction unit comprises a sound absorption structure arranged on the car, and the sound absorption result comprises sound absorption filling materials arranged between the outer wall and the inner wall of the car, sound absorption pores arranged on the inner wall of the car, and sound insulation strips arranged at the opening and closing positions of the car door and the opening and closing positions of the flat layer door.
Further, the second noise reduction rod set is arranged at the position 20-30 cm above the high point which can be reached by the pulley at the top of the lift car, the first noise reduction rod set is arranged at the top of the second noise reduction rod set and at the position 20-30 cm above the top of the lift shaft, and the third noise reduction rod set is arranged at the position 20-30 cm above the counterweight device of the vertical lift elevator.
Further, the first noise reduction device and the car, the first noise reduction device and the second noise reduction device, and the second noise reduction device and the air conditioner or the fan are all fixed through the bolt assembly, and noise reduction rubber pads are arranged at the fixing positions.
Further, the guide rail of the vertical lift elevator is fixed on the guide rail bracket through a fastener, and the noise reduction system further comprises a noise reduction rubber pad arranged between the guide rail and the guide rail bracket.
Further, the third noise reduction unit comprises a plurality of noise reduction holes formed in the side wall of the well, one noise reduction hole is formed in the middle of the side wall of the well, and the rest noise reduction holes are symmetrically formed in the upper portion and the lower portion of the noise reduction hole respectively.
The beneficial effects are that: the noise reduction system for the vertical lift elevator provided by the invention has the advantages that the noise source in the operation process of the elevator is subjected to omnibearing noise reduction treatment in a targeted manner, so that the noise pollution caused by the operation of the vertical lift elevator is obviously reduced.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a first noise reduction unit according to a preferred embodiment of the invention.
Fig. 3 is an enlarged schematic view of the portion B in fig. 1.
Fig. 4 is an enlarged schematic view of the portion C in fig. 1.
Fig. 5 is an enlarged schematic view of the portion a in fig. 1.
Wherein: 1. a machine room; 2. a hoistway; 21. a hoistway sidewall; 3. a car; 4. a counterweight; 5. a pulley; 6. a guide rail; 71. a first noise reduction bar set; 711. rubber stubs; 712. an elastic connecting piece; 713. a clamping member; 72. a second noise reduction bar set; 73. a third noise reduction bar set; 81. A first noise reduction device; 82. a second noise reduction device; 83. a filter screen; 84. a noise-reducing rubber pad; 85. a bolt assembly; 91. a noise reduction hole; 92. a double-layer filter screen; 93. an exhaust fan; 94. a shutter; 10. dragging the steel wire rope; 11. a fan; 12. a guide rail bracket; 13. a fastener.
Detailed Description
In order that the manner in which the invention is attained, as well as the features and advantages thereof, will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof.
Referring to a specific embodiment of a noise reduction system for a vertical lift elevator shown in fig. 1, it includes a first noise reduction unit, a second noise reduction unit, a third noise reduction unit, and a fourth noise reduction unit.
The first noise reduction unit comprises a first noise reduction rod set 71, a second noise reduction rod set 73 and a third noise reduction rod set 73 which are arranged on the traction steel wire rope 10, wherein the first noise reduction rod set 71 and the second noise reduction rod set 72 are arranged on the traction steel wire rope 10 on the upper portion of the hoistway 2, the third noise reduction rod set 73 is arranged on the traction steel wire rope 10 on the lower portion of the hoistway 2, specifically, a pulley 5 on the top of a car 3 moves up and down along with the lifting of the car 3, the second noise reduction rod set 72 is arranged at the position 20-30 cm above a high point which can be reached by the pulley 5, the first noise reduction rod set 71 is arranged at the top of the second noise reduction rod set 72 and at the position 20-30 cm above the counterweight 4, the first noise reduction rod set 71 and the second noise reduction rod set 72 are arranged on the same side, the fault of the pulley 5 is not caused when the pulley 5 moves up and down, and the third noise reduction rod set 73 is arranged at the position 20-30 cm above the high point which can be reached by the pulley 5, so that the fault of the car 3 can be prevented from being blocked in the running process. As shown in fig. 2, the first noise reduction bar set 71, the second noise reduction bar set 72 and the third noise reduction bar set 73 each include at least one noise reduction bar, the number of noise reduction bars is selected and installed according to the elevator model and the actual running situation, each noise reduction bar includes two sections of vertically symmetrical rubber short bars 711 and an elastic connecting piece 712 fixedly connected with the two sections of the rubber short bars 711, the elastic connecting piece 712 is fixed on the traction steel wire rope 10 through a clamping piece 713 transversely arranged, in the actual use process, the first noise reduction unit drives the rubber short bars 711 at two ends to jump through the vibration of the elastic connecting piece 712 on the noise reduction bars, so as to reversely inhibit and balance the noise transmitted from the traction steel wire rope 10, thereby weakening the noise generated by self resonance, resonance or friction in the elevator braking process and the noise transmitted through the traction steel wire rope.
The second noise reduction unit includes setting up in the first noise reduction device 81 and the second noise reduction device 82 at car 3 top, as shown in fig. 3, first noise reduction device 81 is the back-off and is fixed in the basin-like structure at car 3 top, the air intake is seted up at first noise reduction device 81 top, fan 11 is installed to air intake department, first noise reduction device 81 bottom then is through setting up in the filter screen 83 at car 3 top and the inside intercommunication of car 3, second noise reduction device 82 is the basin-like structure of setting up in first noise reduction device 81 inside, the top opening part of second noise reduction device 82 is towards the air intake setting, second noise reduction device 82 and first noise reduction device 81 fixed connection, the wind that fan 11 produced passes through second noise reduction device 82 and first noise reduction device 81 in proper order and reentrant car inside through filter screen 83 after redirecting and decelerating, in this embodiment, first noise reduction device 81 and car 3, first noise reduction device 81 and second noise reduction device 82 and fan 11 are all fixed through bolt assembly 85, and fixed, and the fixed department all is provided with noise reduction rubber pad 84, thereby further weaken fan 11 and move at a high speed and the noise transmission system of elevator and the inside the noise transmission that produces to the elevator car 3.
The third noise reduction unit comprises a noise reduction hole 91 formed in the center of the side wall 21 of the hoistway, as shown in fig. 4, a double-layer filter screen 92 is installed on the noise reduction hole 91, an exhaust fan 93 is installed between the double-layer filter screens 92, a louver 94 which is obliquely arranged downwards is installed outside the noise reduction hole 91, so that wind resistance noise and vortex noise are diffused outwards through the noise reduction hole 91 when the elevator car 3 reciprocates at a high speed in the hoistway 2, and noise is prevented from being accumulated in the hoistway 2 and being transmitted to the inside of the elevator car 3.
The fourth noise reduction unit comprises a sound absorption structure arranged on the car 3, the sound absorption result comprises sound absorption filling materials arranged between the outer wall and the inner wall of the car, sound absorption pores arranged on the inner wall of the car and sound insulation strips arranged at the opening and closing positions of the car door and the opening and closing positions of the flat layer door, wherein the sound absorption filling materials are one or more of sound absorption sponge, sound absorption fiber cloth and glass fiber, the filling thickness is 3-6 cm, the sound absorption pores are uniformly distributed on the inner wall of the car, and the sound insulation strips are soft sound absorption strips which are fixed at the opening and closing positions of the car door or the opening and closing positions of the flat layer door through set screws after being glued and fixed. The fourth noise reduction unit is mainly used for blocking the transmission of noise outside the car 3 and absorbing the noise generated inside the car 3, so that the noise pollution inside the car 3 is guaranteed to the greatest extent.
In this embodiment, in order to achieve a better noise treatment effect, as shown in fig. 5, the guide rail 6 of the elevator is fixed on the guide rail bracket 12 by the fastener 13, and a noise reduction rubber pad 84 is disposed between the guide rail 6 and the guide rail bracket 12, and is used for releasing the vibration of the guide rail 6 and reducing the generated noise in the running process of the car 3.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The noise reduction system for the vertical elevator is characterized by comprising a first noise reduction unit, a second noise reduction unit, a third noise reduction unit and a fourth noise reduction unit, wherein
The first noise reduction unit comprises noise reduction rod groups arranged on the traction steel wire rope, each noise reduction rod group comprises at least one noise reduction rod, each noise reduction rod comprises two sections of rubber short rods which are vertically and symmetrically arranged and an elastic connecting piece which is fixedly connected with the two sections of rubber short rods, the elastic connecting piece is fixed on the traction steel wire rope through a clamping piece which is transversely arranged, each noise reduction rod group comprises a first noise reduction rod group, a second noise reduction rod group and a third noise reduction rod group, the first noise reduction rod group and the second noise reduction rod group are arranged on the traction steel wire rope at the upper part of a hoistway, and the third noise reduction rod group is arranged on the traction steel wire rope at the lower part of the hoistway;
the second noise reduction unit comprises a first noise reduction device and a second noise reduction device which are arranged at the top of the lift car, wherein the first noise reduction device is of a basin-shaped structure which is reversely buckled and fixed at the top of the lift car, the top of the first noise reduction device is provided with an air inlet, a fan or an air conditioner is arranged at the air inlet, the bottom of the first noise reduction device is communicated with the inside of the lift car through a filter screen arranged at the top of the lift car, the second noise reduction device is of a basin-shaped structure arranged in the inside of the first noise reduction device, the top opening of the second noise reduction device faces the air inlet, the second noise reduction device is fixedly connected with the first noise reduction device, and wind generated by the fan or the air conditioner sequentially passes through the second noise reduction device and the first noise reduction device to be decelerated and then enters the inside of the lift car through the filter screen;
the third noise reduction unit comprises at least one noise reduction hole which is formed in the side wall of the well, a double-layer filter screen is arranged on the noise reduction hole, an exhaust fan is arranged between the double-layer filter screens, and a shutter which is obliquely arranged downwards is arranged outside the noise reduction hole;
the fourth noise reduction unit comprises a sound absorption structure arranged on the car, and the sound absorption result comprises sound absorption filling materials arranged between the outer wall and the inner wall of the car, sound absorption pores arranged on the inner wall of the car, and sound insulation strips arranged at the opening and closing positions of the car door and the opening and closing positions of the flat layer door.
2. The noise reduction system for the vertical elevator according to claim 1, wherein the second noise reduction rod set is arranged at a position 20-30 cm above a high point which can be reached by a pulley at the top of the elevator car, the first noise reduction rod set is arranged at the top of the second noise reduction rod set and at a position 20-30 cm above the top of the elevator shaft, and the third noise reduction rod set is arranged at a position 20-30 cm above a counterweight of the vertical elevator.
3. The noise reduction system for a vertical lift elevator according to claim 1, wherein the first noise reduction device and the car, the first noise reduction device and the second noise reduction device, and the second noise reduction device and the air conditioner or the fan are all fixed by a bolt assembly, and noise reduction rubber pads are arranged at the fixing positions.
4. The noise reduction system for a vertical lift elevator of claim 1, wherein the rail of the vertical lift elevator is secured to the rail bracket by a fastener, the noise reduction system further comprising a noise reduction rubber pad disposed between the rail and the rail bracket.
5. The noise reduction system for a vertical lift elevator according to claim 1, wherein the third noise reduction unit includes a plurality of noise reduction holes formed in a sidewall of the hoistway, one noise reduction hole is formed in a middle portion of the sidewall of the hoistway, and the remaining noise reduction holes are symmetrically formed in upper and lower portions of the noise reduction hole, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018240.4A CN107601220B (en) | 2017-10-27 | 2017-10-27 | Noise reduction system for vertical elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711018240.4A CN107601220B (en) | 2017-10-27 | 2017-10-27 | Noise reduction system for vertical elevator |
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| Publication Number | Publication Date |
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| CN107601220A CN107601220A (en) | 2018-01-19 |
| CN107601220B true CN107601220B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711018240.4A Active CN107601220B (en) | 2017-10-27 | 2017-10-27 | Noise reduction system for vertical elevator |
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| CN (1) | CN107601220B (en) |
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| CN1279208A (en) * | 1999-06-25 | 2001-01-10 | 因温特奥股份公司 | Device and method for preventing oscillation and offset of vertical conveyor loader |
| CN2646108Y (en) * | 2003-10-13 | 2004-10-06 | 张金陵 | Counterweight driven non machine room elevator of toothless dragging machine |
| JP2006143435A (en) * | 2004-11-22 | 2006-06-08 | Mitsubishi Electric Corp | Rope device for elevator |
| CN101691181A (en) * | 2009-09-21 | 2010-04-07 | 杭州优耐德电梯有限公司 | Household traction lifting device |
| CN203085336U (en) * | 2012-12-07 | 2013-07-24 | 国家电网公司 | Anti-resonance noise-reducing box type noise-reducing transformer |
| CN104803256A (en) * | 2014-01-27 | 2015-07-29 | 株式会社日立制作所 | Elevator device |
| CN204751800U (en) * | 2015-06-24 | 2015-11-11 | 浙江快速电梯有限公司 | Elevator car sound -insulating structure |
| JP2017007757A (en) * | 2015-06-17 | 2017-01-12 | 三菱電機株式会社 | Elevator noise suppressor and manufacturing method thereof |
| CN207312876U (en) * | 2017-10-27 | 2018-05-04 | 湖南奥力斯电梯有限公司 | A kind of noise reduction system for vertical lift elevator |
-
2017
- 2017-10-27 CN CN201711018240.4A patent/CN107601220B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279208A (en) * | 1999-06-25 | 2001-01-10 | 因温特奥股份公司 | Device and method for preventing oscillation and offset of vertical conveyor loader |
| CN2646108Y (en) * | 2003-10-13 | 2004-10-06 | 张金陵 | Counterweight driven non machine room elevator of toothless dragging machine |
| JP2006143435A (en) * | 2004-11-22 | 2006-06-08 | Mitsubishi Electric Corp | Rope device for elevator |
| CN101691181A (en) * | 2009-09-21 | 2010-04-07 | 杭州优耐德电梯有限公司 | Household traction lifting device |
| CN203085336U (en) * | 2012-12-07 | 2013-07-24 | 国家电网公司 | Anti-resonance noise-reducing box type noise-reducing transformer |
| CN104803256A (en) * | 2014-01-27 | 2015-07-29 | 株式会社日立制作所 | Elevator device |
| JP2017007757A (en) * | 2015-06-17 | 2017-01-12 | 三菱電機株式会社 | Elevator noise suppressor and manufacturing method thereof |
| CN204751800U (en) * | 2015-06-24 | 2015-11-11 | 浙江快速电梯有限公司 | Elevator car sound -insulating structure |
| CN207312876U (en) * | 2017-10-27 | 2018-05-04 | 湖南奥力斯电梯有限公司 | A kind of noise reduction system for vertical lift elevator |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230524 Address after: Radio and Television Center, No. 23 Xinghua Village West Road, Ma'an New District, Huarong County, Yueyang City, Hunan Province, 414200 Applicant after: Huarong County Radio and Television Technology Society Applicant after: HUNAN OLSI ELEVATOR CO.,LTD. Address before: Three industrial parks of Huarong County, Yueyang, Hunan Applicant before: HUNAN OLSI ELEVATOR CO.,LTD. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Tie Inventor after: Lu Chaojun Inventor after: Xu Jian Inventor after: Jiang Xinmin Inventor after: Zhu Hu Inventor after: Yao Zhuo Inventor after: Yan Yaojie Inventor after: Yu Jieyu Inventor before: Jiang Xinmin Inventor before: Yu Tie Inventor before: Zhu Hu Inventor before: Yao Zhuo |
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