CN109110506B - Speed reducing device, speed reducing pipeline and pipeline conveying speed reducing method - Google Patents
Speed reducing device, speed reducing pipeline and pipeline conveying speed reducing method Download PDFInfo
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- CN109110506B CN109110506B CN201810787007.0A CN201810787007A CN109110506B CN 109110506 B CN109110506 B CN 109110506B CN 201810787007 A CN201810787007 A CN 201810787007A CN 109110506 B CN109110506 B CN 109110506B
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- 230000001603 reducing effect Effects 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000030279 gene silencing Effects 0.000 claims abstract description 37
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 34
- 230000009467 reduction Effects 0.000 claims description 48
- 230000008030 elimination Effects 0.000 claims description 14
- 238000003379 elimination reaction Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 10
- 239000010813 municipal solid waste Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
Abstract
The invention discloses a speed reducer, which comprises a speed reducer shell, wherein interfaces are arranged at the upper end and the lower end of the speed reducer shell, the width of the middle part of the speed reducer shell is larger than that of the upper end and the lower end, a downward inclined direction adjusting plate is arranged on one side of the inner wall of the middle part of the speed reducer shell, a silencing speed reducer plate is arranged on the other side of the inner wall of the middle part of the speed reducer shell, corresponding to the direction adjusting plate, and the silencing speed reducer plate is positioned below the direction adjusting plate. The invention also discloses a deceleration pipeline and a pipeline conveying deceleration method implemented by the deceleration pipeline. The speed reducing device has reasonable and ingenious structural design, is simple and reasonable in structure and easy to install, replace and maintain, and the speed reducing pipeline can be used for rapidly conveying objects from a high building layer to a bottom layer, the speed of the objects reaching the bottom layer is smaller than or equal to the speed of the objects falling from a second building layer to the bottom layer, the speed reducing device is efficient and energy-saving, the noise is low, dust flying is reduced, the environment is not polluted, normal work and life of people are not disturbed, and the conveying cost is reduced.
Description
Technical Field
The invention relates to the field of vertical pipeline conveying, in particular to a speed reducing device, a speed reducing pipeline adopting the speed reducing device and a pipeline conveying method.
Background
The object is conveyed through the vertically arranged pipeline, and is automatically conveyed downwards from top to bottom under the action of gravity of the object, so that the conveying device is an energy-saving and efficient conveying mode.
The objects conveyed through the pipe are generally gaseous or liquid or granular, dust-like solids.
In the prior art, vertically arranged pipes are also widely used in high-rise buildings for transporting refuse or some small objects.
Because the existing garbage pipeline is not perfect and reasonable in design, garbage is usually directly dropped to the bottom layer from a high-rise through a garbage pipeline conveying mode, the noise is large, dust flies upward, and pollution to links is also easy to cause. Although some rubbish pipelines are provided with speed reducing devices, the existing speed reducing devices are unreasonable in arrangement, complex in structure, difficult to install, replace and maintain, and not obvious in speed reducing effect.
Among the prior art, patent publication number 206647492 is a super high-rise building rubbish pipeline buffer, and it includes the pipeline, two equal fixed mounting have the connecting block at pipeline inner wall, swing joint has first buffer on the connecting block, the exit fixed mounting of pipeline bottom has second buffer, first buffer includes the contact plate, the one end of contact plate is through linking axle and connecting block swing joint, one side that the contact plate is close to the pipeline respectively with compression spring and the one end of flexible pipe all with the inner wall fixed connection of pipeline, flexible outside of flexible pipe has cup jointed the extension spring, second buffer includes the cover shell. Although, this super high-rise building rubbish pipeline buffer plays the effect of buffering, can reduce the noise that rubbish produced because of the collision at the in-process that falls, can reduce the damage that rubbish caused the pipeline. But the effect is not obvious, when the garbage falls down, huge noise is necessarily generated when the garbage contacts with the contact plate, and the garbage changes direction and is basically vertically ejected to the wall surface of the other side of the pipeline, the pipeline is an important component in the scheme for reducing the object falling speed, the object falling speed is reduced through the pipeline, the impact force is large, the time is long, and the pipeline is easy to damage. Moreover, the device requires a plurality of first buffer devices to be densely arranged, and has high production cost, installation cost, maintenance cost and labor cost.
Disclosure of Invention
In order to solve the problems, the invention discloses a speed reducing device.
The invention also aims to provide a speed reducing pipeline adopting the speed reducing device.
The invention is also faced with the aim of providing a deceleration method implemented by means of such a deceleration conduit.
The technical scheme adopted by the invention for achieving the purpose is as follows:
The utility model provides a decelerator, its includes the speed reduction casing, and the upper and lower end of this speed reduction casing is equipped with the interface, and the middle part width of this speed reduction casing is greater than upper end, lower extreme width, is equipped with the direction regulating plate of downward sloping in the middle part inner wall one side of this speed reduction casing, corresponds this direction regulating plate in the middle part inner wall opposite side of this speed reduction casing and is equipped with the noise elimination reducing plate, and this noise elimination reducing plate is located the below of direction regulating plate. The object enters from the upper end of the speed reduction shell, turns out and turns to the direction adjusting plate, falls towards the silencing speed reduction plate, reduces the speed to zero at the silencing speed reduction plate, and then continuously falls downwards from the lower end of the speed reduction shell. Through the setting of upper end, lower extreme interface, the installation of the decelerator of being convenient for, change, also be convenient for maintain, raise the efficiency, reduce cost.
Further, the middle part lower extreme of speed reduction housing is equipped with a fixing base, the lower extreme of noise elimination speed reduction plate articulates on this fixing base, and articulated department is located this speed reduction housing lower extreme interface top, is connected with compression spring between the upper end lower surface of this noise elimination speed reduction plate and the fixing base, noise elimination speed reduction plate is downward sloping setting. The silencing and decelerating plate is hinged to the fixing seat, so that after an object falls onto the silencing and decelerating plate, the pressure spring is compressed, the silencing and decelerating plate swings clockwise, and the descending speed of the object is reduced until zero. The pressure spring drives the silencing speed reducing plate to swing anticlockwise, so that an object is pushed to fall off from the lower end interface of the speed reducing shell. The arrangement of the pressure spring enables the object to be in soft contact with the silencing and reducing plate, so that noise is reduced, and dust flying is reduced. Meanwhile, the speed of the object can be reduced to zero, and then the next stage of the falling process is carried out, so that the object is prevented from falling to the bottom layer from the object at the high level of the building at high speed.
Further, the lower end of the silencing speed reducer is also provided with an arc-shaped plate, the arc-shaped plate is positioned above the hinged position, and one end of the arc-shaped plate is provided with a guide plate in a downward inclined extension mode. Objects can slide down from the silencing and decelerating plate, the arc-shaped plate and the guide plate in sequence, and the objects are prevented from accumulating and staying on the silencing and decelerating plate. The tail end of the guide plate is provided with a smooth curved surface, so that the tail end can be prevented from scraping and breaking objects.
Further, the upper end of the direction adjusting plate is fixedly connected to one side of the inner wall of the middle part of the speed reduction shell, the lower end of the direction adjusting plate is bent in a downward inclined mode, and the other side of the inner wall of the middle part of the speed reduction shell is set to be an inclined plane corresponding to the direction adjusting plate. An inclined conveying channel is formed between the direction adjusting plate and the inclined plane, and the object changes direction on the direction adjusting plate and falls onto the silencing and decelerating plate through the inclined conveying channel.
Furthermore, the pipe wall at the lower end of the middle part of the speed reduction shell is outwards provided with an avoidance bulge corresponding to the fixed seat. So that the middle part of the speed reducing shell has a larger space for facilitating the passing of objects.
The utility model provides a speed reduction pipeline, its includes the pipeline body, its still includes a plurality of speed reduction device, the pipeline body from top to bottom set up in the building, a plurality of speed reduction device set up in according to the interval distance on the pipeline body, the upper end of this speed reduction device, lower extreme interface respectively with this pipeline body fixed connection, the width of this pipeline body is less than or equal to the interface width of this speed reduction device upper end, lower extreme. The object will drop to zero speed as it passes each reduction gear, and then start the descent process from scratch. Therefore, even if an object falls from the top layer of a high-rise building through the speed reducing pipeline, the speed of the object is not very high in the bottom layer, the impact is small, larger noise is not generated, and dust is not flying.
Further, the setting distance between two adjacent speed reducing devices is one floor height. So that the object, even if it falls from the top floor of the high-rise building, falls to the ground at a speed less than or equal to the speed at which the object falls to the ground at both floors.
In the pipeline conveying and decelerating method implemented by the decelerating pipeline, a user puts an object into a pipeline body, the object falls down and enters a decelerating device from the upper end of a decelerating shell;
The object falls onto the direction adjusting plate to change the direction, and continuously descends towards the silencing and decelerating plate;
the object falls onto the silencing and decelerating plate, the pressure spring is stressed and compressed, and the descending speed of the object is reduced to zero;
The object leaves the silencing speed reducer plate to continue to be conveyed downwards under the thrust action of the pressure spring.
By implementing the method, objects in high-rise buildings can be conveyed to the bottom layer through the pipeline body quickly and efficiently, and the speed of the objects reaching the bottom layer is smaller than or equal to the speed of the objects falling from the second floor to the bottom layer. High efficiency, low noise, reduced dust flying, no pollution to the environment, no interference to the normal work and life of people, and reduced conveying cost.
Further, after the object enters the next speed reducer, the descending speed on the other silencing speed reducer is reduced to zero again, and the object descends in sequence until the object descends to the ground.
Further, the setting distance of two adjacent speed reducing devices is one floor height, so that the distance between the nearest speed reducing device and the ground is smaller than or equal to one floor height.
The beneficial effects of the invention are as follows: the speed reducing device has reasonable and ingenious structural design, is simple and reasonable in structure and easy to install, replace and maintain, and the speed reducing pipeline can be used for rapidly conveying objects from a high building layer to a bottom layer, the speed of the objects reaching the bottom layer is smaller than or equal to the speed of the objects falling from a second building layer to the bottom layer, the speed reducing device is efficient and energy-saving, the noise is low, dust flying is reduced, the environment is not polluted, normal work and life of people are not disturbed, and the conveying cost is reduced.
The invention will be further described with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of a reduction gear unit according to the present invention;
Fig. 2 is a schematic view of the structure of the reduction pipe in the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the spirit of the present disclosure will be clearly described in the following drawings and detailed description, and any person skilled in the art, after having appreciated the embodiments of the present disclosure, may make alterations and modifications by the techniques taught by the present disclosure without departing from the spirit and scope of the present disclosure.
The exemplary embodiments of the present invention and the descriptions thereof are intended to illustrate the present invention, but not to limit the present invention.
In addition, the same or similar reference numerals are used for the same or similar parts in the drawings and the embodiments.
The terms "first," "second," …, etc. as used herein do not denote a particular order or sequence, nor are they intended to limit the invention, but rather are merely used to distinguish one element or operation from another in the same technical term.
With respect to directional terms used herein, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for purposes of illustration and is not intended to be limiting.
As used herein, the terms "comprising," "including," "having," "containing," and the like are intended to be inclusive and mean an inclusion, but not limited to.
As used herein, "and/or" includes any or all combinations of such things.
The terms "about," "approximately" and the like as used herein are used to modify any quantitative or positional deviation that could vary slightly without such slight variation or positional deviation altering its nature. In general, the range of slight variations or errors modified by such terms may be 20% in some embodiments, 10% in some embodiments, 5% in some embodiments, or other values. It should be understood by those skilled in the art that the above mentioned values can be adjusted according to the actual requirements, and are not limited thereto.
Certain words used to describe the application will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the application.
Referring to fig. 1 and 2, the embodiment provides a speed reducer, which includes a speed reducer housing 1, wherein an interface 11 is disposed at an upper end and a lower end of the speed reducer housing 1, a width of a middle portion of the speed reducer housing 1 is greater than a width of an upper end and a width of a lower end, a downward inclined direction adjusting plate 2 is disposed at one side of an inner wall of the middle portion of the speed reducer housing 1, a noise elimination speed reducer 3 is disposed at another side of the inner wall of the middle portion of the speed reducer housing 1 corresponding to the direction adjusting plate 2, and the noise elimination speed reducer 3 is disposed below the direction adjusting plate 2. The object enters from the upper end interface 11 of the speed reduction shell 1, turns out to be turned towards the direction adjusting plate 2, falls towards the silencing speed reduction plate 3, reduces the speed to zero at the silencing speed reduction plate 3, and then continuously falls downwards from the lower end interface 11 of the speed reduction shell 1. Through the arrangement of the upper end and the lower end interface 11, the speed reducer is convenient to install and replace, is also convenient to maintain, improves the efficiency and reduces the cost.
Further, a fixed seat 12 is arranged at the lower end of the middle part of the speed reduction housing 1, the lower end of the noise elimination speed reduction plate 3 is hinged on the fixed seat 12, a hinged part 13 is positioned above a lower end interface 11 of the speed reduction housing 1, a pressure spring 4 is connected between the lower surface of the upper end of the noise elimination speed reduction plate 3 and the fixed seat 12, and the noise elimination speed reduction plate 3 is arranged in a downward inclined mode. The silencing and decelerating plate 3 is hinged to the fixing seat 12, so that after an object falls onto the silencing and decelerating plate 3, the pressure spring 4 is compressed, the silencing and decelerating plate 3 swings clockwise, and the object falling speed is reduced until zero. The pressure spring 4 drives the noise elimination deceleration plate 3 to swing anticlockwise, so that an object is pushed to fall from the lower end interface 11 of the deceleration housing 1. The arrangement of the pressure spring 4 enables objects to be in soft contact on the silencing and reducing plate 3, noise is reduced, and dust flying is reduced. Meanwhile, the speed of the object can be reduced to zero, and then the next stage of the falling process is carried out, so that the object is prevented from falling to the bottom layer from the object at the high level of the building at high speed.
Further, the lower end of the noise elimination deceleration board 3 is further provided with an arc plate 31, the arc plate 31 is located above the hinge 13, and one end of the arc plate 31 is provided with a guide plate 32 in a downward inclined extending manner. Objects can slide down from the silencing and decelerating plate 3, the arc-shaped plate 31 and the guide plate 32 in sequence, so that the objects are prevented from accumulating and staying on the silencing and decelerating plate 3. The end of the guide plate 32 is provided with a smooth curved surface to avoid scraping and breaking the object.
Further, the upper end of the direction adjusting plate 2 is fixedly connected to one side of the middle inner wall of the speed reduction housing 1, the lower end of the direction adjusting plate 2 is bent in a downward inclination manner, and the other side of the middle inner wall of the speed reduction housing 1 is provided with an inclined surface 14 corresponding to the direction adjusting plate 2. An inclined conveying channel is formed between the direction adjusting plate 2 and the inclined surface 14, and objects turn on the direction adjusting plate 2 and fall onto the noise elimination and deceleration plate 3 through the inclined conveying channel.
Further, the lower tube wall of the middle part of the reduction housing 1 is provided with an avoidance protrusion 15 outwards corresponding to the fixing seat 12. So that the middle part of the reduction housing 1 has a larger space for passing objects.
Referring to fig. 2, a speed reducing pipeline comprises a pipeline body 20, and further comprises a plurality of speed reducing devices 10, wherein the pipeline body 20 is arranged in a building from top to bottom, the plurality of speed reducing devices 10 are arranged on the pipeline body 20 at intervals, an upper end port 11 and a lower end port 11 of the speed reducing devices 10 are fixedly connected with the pipeline body 20 respectively, and the width of the pipeline body 20 is smaller than or equal to the width of the interfaces 11 at the upper end and the lower end of the speed reducing devices 10. As the object passes each reduction gear 10, the speed will drop to zero and then begin the descent process from scratch. Therefore, even if an object falls from the top layer of a high-rise building through the speed reducing pipeline, the speed of the object is not very high in the bottom layer, the impact is small, larger noise is not generated, and dust is not flying.
Further, the distance between two adjacent speed reducers 10 is one floor height. So that the object, even if it falls from the top floor of the high-rise building, falls to the ground at a speed less than or equal to the speed at which the object falls to the ground at both floors.
In the pipeline conveying and decelerating method implemented by the decelerating pipeline, a user puts an object into the pipeline body 20, the object falls down and enters the decelerating device 10 from the upper end of the decelerating housing 1;
the object falls on the direction adjusting plate 2 to change the direction, and the object continuously descends towards the silencing and decelerating plate 3;
The object falls onto the silencing and decelerating plate 3, the pressure spring 4 is compressed under the stress, and the falling speed of the object is reduced to zero;
The object leaves the silencing and decelerating plate 3 to continue to be conveyed downwards under the thrust of the pressure spring 4.
By implementing the method, objects in high-rise buildings can be conveyed to the bottom layer through the pipeline body 20 quickly and efficiently, and the speed of the objects reaching the bottom layer is smaller than or equal to the speed of the objects falling from the second floor to the bottom layer. High efficiency, low noise, reduced dust flying, no pollution to the environment, no interference to the normal work and life of people, and reduced conveying cost.
Further, after the object enters the next speed reducer 10, the descending speed of the other sound-deadening speed reducer 3 is reduced to zero again, and the object descends in turn until the object descends to the ground.
Further, the distance between two adjacent speed reducers 10 is one floor height, so that the distance between the nearest speed reducer 10 and the ground is less than or equal to one floor height.
In this embodiment, the object may be a bagged domestic garbage generated in daily life, or may be a liquid or solid excrement sealing bag formed when the waterless toilet is used, and the bagged domestic garbage or the excrement sealing bag can be quickly and efficiently conveyed to the bottom layer of the building through the use of the speed reducing pipeline.
The speed reducing device 10 has reasonable and ingenious structural design, is simple and reasonable in structure and easy to install, replace and maintain, and the speed reducing pipeline can be used for rapidly conveying objects from a high building floor to a bottom floor, the speed of the objects reaching the bottom floor is smaller than or equal to the speed of the objects falling from a second building floor to the bottom floor, the speed reducing device is efficient and energy-saving, the noise is low, dust flying is reduced, the environment is not polluted, normal work and life of people are not disturbed, and the conveying cost is reduced.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modifications to equivalent embodiments using the technical means and technical contents disclosed above without departing from the scope of the technical solution of the present invention. Therefore, all equivalent changes according to the shape, structure and principle of the present invention are covered in the protection scope of the present invention.
Claims (7)
1. The utility model provides a decelerator, its includes the speed reduction casing, and this speed reduction casing upper and lower extreme is equipped with interface, its characterized in that: the width of the middle part of the speed reducing shell is larger than the width of the upper end and the width of the lower end, a downward inclined direction adjusting plate is arranged on one side of the inner wall of the middle part of the speed reducing shell, a silencing speed reducing plate is arranged on the other side of the inner wall of the middle part of the speed reducing shell corresponding to the direction adjusting plate, and the silencing speed reducing plate is positioned below the direction adjusting plate;
The lower end of the middle part of the speed reduction shell is provided with a fixed seat, the lower end of the silencing speed reduction plate is hinged to the fixed seat, the hinged part is positioned above the interface of the lower end of the speed reduction shell, a pressure spring is connected between the lower surface of the upper end of the silencing speed reduction plate and the fixed seat, and the silencing speed reduction plate is arranged in a downward inclined mode;
The lower end of the silencing and decelerating plate is also provided with an arc plate, the arc plate is positioned above the hinged part, and one end of the arc plate is provided with a guide plate in a downward inclined extension manner;
The upper end of the direction adjusting plate is fixedly connected to one side of the inner wall of the middle part of the speed reduction shell, the lower end of the direction adjusting plate is bent in a downward inclined mode, and the other side of the inner wall of the middle part of the speed reduction shell is set to be an inclined plane corresponding to the direction adjusting plate.
2. The speed reducer of claim 1, wherein the middle lower pipe wall of the speed reducer casing is provided with an avoidance protrusion outwards corresponding to the fixing seat.
3. A speed reducing pipeline comprising a pipeline body, characterized in that: the pipeline body is arranged in a building from top to bottom, the plurality of speed reducers are arranged on the pipeline body according to the interval distance, the upper end and the lower end of the speed reducer are respectively fixedly connected with the pipeline body, and the width of the pipeline body is smaller than or equal to the interface width of the upper end and the lower end of the speed reducer.
4. A speed reducing pipeline according to claim 3, wherein the distance between two adjacent speed reducing devices is one floor height.
5. A pipeline transportation deceleration method implemented by the deceleration pipeline according to claim 4, characterized in that:
The user drops the object into the pipeline body, the object falls down and enters the speed reducing device from the upper end of the speed reducing shell;
The object falls onto the direction adjusting plate to change the direction, and continuously descends towards the silencing and decelerating plate;
the object falls onto the silencing and decelerating plate, the pressure spring is stressed and compressed, and the descending speed of the object is reduced to zero;
The object leaves the silencing speed reducer plate to continue to be conveyed downwards under the thrust action of the pressure spring.
6. The method according to claim 5, wherein after the object enters the next speed reducing device, the descending speed is reduced to zero again on the other noise elimination speed reducing plate, and the objects are sequentially descended until the object descends to the ground.
7. The method according to claim 6, wherein the distance between two adjacent speed reducers is one floor height, so that the distance between the nearest speed reducer to the ground and the ground is less than or equal to the one floor height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787007.0A CN109110506B (en) | 2018-07-18 | 2018-07-18 | Speed reducing device, speed reducing pipeline and pipeline conveying speed reducing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787007.0A CN109110506B (en) | 2018-07-18 | 2018-07-18 | Speed reducing device, speed reducing pipeline and pipeline conveying speed reducing method |
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| Publication Number | Publication Date |
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| CN109110506A CN109110506A (en) | 2019-01-01 |
| CN109110506B true CN109110506B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810787007.0A Active CN109110506B (en) | 2018-07-18 | 2018-07-18 | Speed reducing device, speed reducing pipeline and pipeline conveying speed reducing method |
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| CN (1) | CN109110506B (en) |
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| CN108286324A (en) * | 2018-04-10 | 2018-07-17 | 中国建筑第七工程局有限公司 | A kind of skyscraper intelligent garbage separate transport pipeline |
| CN208648158U (en) * | 2018-07-18 | 2019-03-26 | 广东三丰环保科技有限公司 | A kind of deceleration device and deceleration pipeline |
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| CH616479A5 (en) * | 1977-04-12 | 1980-03-31 | Habluetzel Transportgeraete Ag | Apparatus for slowing-down a laundry bag falling downwards in a laundry-discharge system |
| CN200949307Y (en) * | 2006-09-29 | 2007-09-19 | 上海市第七建筑有限公司 | Refuse chute vibration-damping cushioning device |
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| Publication number | Publication date |
|---|---|
| CN109110506A (en) | 2019-01-01 |
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