CN110700517A - Be applied to job site's rubbish pipeline - Google Patents
Be applied to job site's rubbish pipeline Download PDFInfo
- Publication number
- CN110700517A CN110700517A CN201911007149.1A CN201911007149A CN110700517A CN 110700517 A CN110700517 A CN 110700517A CN 201911007149 A CN201911007149 A CN 201911007149A CN 110700517 A CN110700517 A CN 110700517A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- garbage
- fixing
- garbage collecting
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/10—Arrangements in buildings for the disposal of refuse
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/10—Arrangements in buildings for the disposal of refuse
- E04F17/12—Chutes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuse Collection And Transfer (AREA)
Abstract
The invention relates to a garbage conveying pipeline applied to construction sites, which belongs to the technical field of constructional engineering and comprises a garbage collecting pipe and a garbage collecting box, wherein the garbage collecting pipe and the garbage collecting box are sequentially connected end to end, the garbage collecting pipe at the bottommost part is mutually connected with the garbage collecting box, a garbage collecting pipe is arranged on a floor slab of each floor, the garbage collecting pipe comprises a fixed sleeve at the top part and a connecting sleeve at the bottom part, the fixed sleeve and the floor slab are mutually combined, a first fixed part is arranged at the top part of the fixed sleeve, and the first fixed part and the floor slab are mutually connected, so that garbage at each floor can be thrown downwards through the garbage collecting pipe and is collected in the garbage collecting box, the convenience of the garbage conveying pipeline is improved, a sealing cover plate is arranged between the top part of the fixed sleeve and the connecting sleeve to cover a garbage throwing gap between, the dust can be effectively prevented from flying outwards, and the environmental protection performance of the dust remover is improved.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a garbage conveying pipeline applied to a construction site.
Background
At present, the development of the building industry is far and fast, a construction site can generate a large amount of garbage in the whole construction period of a building project, most of the existing constructions are high-rise buildings, the garbage at higher layers is very inconvenient to transport to the ground, most of the existing constructions rely on manual work to use a trolley to transport the garbage to the ground, and the efficiency is very low.
Disclosure of Invention
Against this background, it is an object of the present invention to provide a waste conveying pipe applied to a construction site.
In order to achieve the above purpose, the invention provides a garbage conveying pipeline applied to a construction site, which comprises a garbage collection box and at least two garbage collection pipes which are arranged in parallel and are continuous, wherein the axes of the garbage collection pipes are vertically arranged, the two adjacent garbage collection pipes are mutually inserted, the garbage collection pipe at the lowest end is mutually connected with the garbage collection box, the garbage collection pipe comprises a connecting sleeve and a fixed sleeve, the top of the connecting sleeve is mutually connected with the bottom of the fixed sleeve, the top of the fixed sleeve is provided with a first fixed part, the first fixed part extends from the top of the fixed sleeve and vertically extends towards the outer side, the first fixed part is provided with a first through hole, a fastening bolt is penetrated in the first through hole, the first through hole is provided with an internal thread, the fastening bolt is provided with an external thread which is mutually matched with the internal thread of the first through hole, and the diameter of the connecting sleeve is, the level is provided with sealed apron between fixed sleeving's top and the adjacent adapter sleeve, the inboard and the adapter sleeve's of sealed apron outside match each other, and the outside and the fixed sleeving inboard of sealed apron match each other, and the outside of sealed apron is provided with the second fixed part, the second fixed part is provided with the second through-hole, and fixed sleeving's top is provided with the third fixed part that matches each other with the second fixed part towards fixed sleeving's inboard, the third fixed part extend towards fixed sleeving's inboard and set up with fixed sleeving's inner wall mutually perpendicular, and the third fixed part is provided with the third through-hole, the third through-hole with the second through-hole is articulated each other through fastening pin axle.
In order to buffer the garbage in the garbage conveying pipeline and prevent the garbage from falling to the garbage collection box too fast, a transition sleeve is arranged between the bottom of the fixed sleeve and the top of the connecting sleeve, the diameter of the top of the transition sleeve is the same as that of the fixed sleeve, and the diameter of the bottom of the transition sleeve is the same as that of the connecting sleeve.
In order to increase the stability of the invention and prevent the sealing cover plate from moving downwards, the bottom of the connecting sleeve relative to the bottom of the sealing cover plate is provided with a fixing block for limiting the downward rotation of the sealing cover plate.
In order to prevent stronger impact force generated when the sealing cover plate is buckled, the top of the fixing block is provided with a buffer block, and the buffer block is made of soft rubber.
In order to increase the sound insulation effect of the garbage can and reduce the noise pollution caused by the falling of garbage in the garbage can, sound insulation layers are arranged on the outer walls of the fixed sleeve and the connecting sleeve, the sound insulation layers are made of polyester fibers, and the sound insulation layers and the fixed sleeve and the sound insulation layers and the connecting sleeve are connected with each other through environment-friendly glue.
In order to prevent the bottom of the garbage collection box from being damaged when the garbage falls down, a reinforcing layer is arranged at the position of the bottom of the garbage collection box relative to the bottom of the connecting sleeve.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a garbage conveying pipeline applied to a construction site, which is characterized in that a garbage collecting box and a plurality of garbage collecting pipes which are arranged in series and in parallel are arranged, the garbage collecting pipes are sequentially spliced end to end, the garbage collecting pipe at the bottommost part is mutually connected with the garbage collecting box, a garbage collecting pipe is arranged on a floor slab of each floor, the garbage collecting pipe comprises a fixed sleeve at the top part and a connecting sleeve at the bottom part, the fixed sleeve and the floor slab are mutually combined, a first fixed part is arranged at the top part of the fixed sleeve, and the first fixed part and the floor slab are mutually connected, so that garbage at each floor can be thrown downwards through the garbage collecting pipe and collected in the garbage collecting box, the convenience of the garbage conveying pipeline for garbage disposal is increased, a sealing cover plate is arranged between the top part of the fixed sleeve and the connecting sleeve, and a garbage throwing gap between, the dust can be effectively prevented from flying outwards, and the environmental protection performance of the dust-proof coating is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged schematic view of the structure of fig. 1 at a.
Fig. 3 is a schematic structural view of the sealing cover plate of the present invention.
In the drawings, the reference numbers: 1. a garbage collection box; 2. a garbage collection pipe; 3. connecting a sleeve; 4. fixing the sleeve; 5. a first fixed part; 6. a first through hole; 7. fastening a bolt; 8. sealing the cover plate; 9. a second fixed part; 10. a second through hole; 11. a third fixed part; 12. a third through hole; 13. fastening a pin shaft; 14. a transition casing; 15. a fixed block; 16. a buffer block; 17. a sound insulating layer; 18. and a reinforcing layer.
Detailed Description
In order that the technical solutions of the present invention will be more apparent, the present invention is further described in detail with reference to the following examples, it should be understood that the specific embodiments described herein are only for the purpose of illustrating the present invention, and are not to be construed as limiting the present invention.
Referring to the attached drawings, the garbage conveying pipeline applied to a construction site comprises a garbage collection box 1 and at least two garbage collection pipes 2 which are arranged in parallel and are continuous, the axes of the garbage collection pipes 2 are all vertically arranged, the two adjacent garbage collection pipes 2 are mutually inserted, the garbage collection pipe 2 at the bottommost end is mutually connected with the garbage collection box 1, the garbage collection pipe 2 comprises a connecting sleeve 3 and a fixing sleeve 4, the top of the connecting sleeve 3 is mutually connected with the bottom of the fixing sleeve 4, the top of the fixing sleeve 4 is provided with a first fixing part 5, the first fixing part 5 extends from the top of the fixing sleeve 4 and vertically extends towards the outer side, the first fixing part 5 is provided with a first through hole 6, a fastening bolt 7 penetrates through the first through hole 6, the first through hole 6 is provided with an internal thread, the fastening bolt 7 is provided with an external thread which is mutually matched with the internal thread of the first through hole 6, the diameter of the connecting sleeve 3 is smaller than that of the fixing sleeve 4, a sealing cover plate 8 is horizontally arranged between the top of the fixing sleeve 4 and the adjacent connecting sleeve 3, the inner side of the sealing cover plate 8 is matched with the outer side of the connecting sleeve 3, the outer side of the sealing cover plate 8 is matched with the inner side of the fixing sleeve 4, a second fixing part 9 is arranged on the outer side of the sealing cover plate 8, a second through hole 10 is formed in the second fixing part 9, a third fixing part 11 matched with the second fixing part 9 is arranged on the top of the fixing sleeve 4 towards the inner side of the fixing sleeve 4, the third fixing part 11 extends towards the inner side of the fixing sleeve 4 and is perpendicular to the inner wall of the fixing sleeve 4, a third through hole 12 is formed in the third fixing part 11, the third through hole 12 is hinged with the second through hole 10 through a fastening pin shaft 13, and a plurality of garbage collecting pipes 2 are sequentially spliced, the garbage collecting pipe 2 at the upper part is inserted into the garbage collecting pipe 2 at the lower part, the smooth falling of garbage in the garbage collecting pipe 2 at the bottommost part can be increased, the garbage collecting pipe 2 at the bottommost part and the garbage collecting box 1 are connected with each other, a garbage collecting pipe 2 is arranged at each floor, a through hole matched with the garbage collecting pipe 2 is arranged in advance on a floor slab, the garbage collecting pipe 2 comprises a fixing sleeve 4 and a connecting sleeve 3, the fixing sleeve 4 is arranged at the top part of the connecting sleeve 3, the diameter of the fixing sleeve 4 is larger than that of the connecting sleeve 3, the garbage is thrown in through the top part of the fixing sleeve 4, a first fixing part 5 is vertically arranged at the top part of the fixing sleeve 4 towards the outer side, the first fixing part 5 is connected with the floor slab of the current floor through a fastening bolt 7, then the fixing sleeve 4 downwards penetrates through the floor slab, and the connecting, at the junction of adjacent rubbish collecting pipe 2, set up sealed apron 8 between adapter sleeve 4 and the adapter sleeve 3, sealed apron 8 sets up a plurality ofly, cover the opening between adapter sleeve 4 and the adapter sleeve 3, and the inboard of the shape of sealed apron 8 and adapter sleeve 4 and adapter sleeve 3 matches each other, the top of adapter sleeve 4 is to the inboard extension set up third fixed part 11, the outside of sealed apron 8 sets up second fixed part 9, second fixed part 9 and third fixed part 11 are articulated each other.
Preferably, a transition sleeve is arranged between the bottom of the fixed sleeve 4 and the top of the connecting sleeve 3, the diameter of the top of the transition sleeve is the same as that of the fixed sleeve 4, the diameter of the bottom of the transition sleeve is the same as that of the connecting sleeve 3, and under the action of the transition sleeve, the buffer device can effectively buffer garbage falling inside the buffer device and prevent the garbage from generating large impact on the buffer device.
Preferably, the bottom of the connecting sleeve 3 is provided with a fixing block 15 for limiting the downward rotation of the sealing cover plate 8 relative to the bottom of the sealing cover plate 8, and when the sealing cover plate 8 and the connecting sleeve 3 are not firmly combined, the fixing block 15 can effectively prevent the downward rotation of the sealing cover plate 8.
Preferably, the top of the fixing block 15 is provided with a buffer block 16, the buffer block 16 is made of soft rubber, and when the sealing cover plate 8 of the present invention is fastened, the impact force of the fixing block 15 on the sealing cover plate 8 can be effectively reduced under the action of the buffer block 16.
Preferably, the outer wall of the fixed sleeve 4 and the outer wall of the connecting sleeve 3 are both provided with a sound insulation layer 17, the sound insulation layer 17 is made of polyester fibers, the sound insulation layer 17 and the fixed sleeve 4 and the sound insulation layer 17 and the connecting sleeve 3 are connected with each other through environment-friendly glue, and the sound insulation layer 17 can effectively reduce noise pollution caused by falling garbage in the garbage collecting device.
Preferably, the bottom of the garbage collection box 1 is provided with a reinforcing layer 18 at a position corresponding to the bottom of the connecting sleeve 3, and under the action of the reinforcing layer 18, when garbage falls into the garbage collection box 1, the impact force of the garbage on the garbage collection box 1 can be effectively reduced, so that the garbage collection box 1 is prevented from being damaged by the garbage.
The working process of the invention is as follows: in one embodiment, in this embodiment, the axes of the garbage collecting pipes 2 are all vertically arranged, two adjacent garbage collecting pipes 2 are inserted into each other, the garbage collecting pipe 2 at the bottom end and the garbage collecting box 1 are connected with each other, the garbage collecting pipe 2 comprises a connecting sleeve 3 and a fixing sleeve 4, the top of the connecting sleeve 3 and the bottom of the fixing sleeve 4 are connected with each other, the top of the fixing sleeve 4 is provided with a first fixing part 5, the first fixing part 5 extends from the top of the fixing sleeve 4 and vertically extends towards the outside, the first fixing part 5 is provided with a first through hole 6, a fastening bolt 7 is penetrated in the first through hole 6, the first through hole 6 is provided with an internal thread, the fastening bolt 7 is provided with an external thread matched with the internal thread of the first through hole 6, the diameter of the connecting sleeve 3 is smaller than that of the fixing sleeve 4, a sealing cover plate 8 is horizontally arranged between the top of the, the inner side of the sealing cover plate 8 is matched with the outer side of the connecting sleeve 3, the outer side of the sealing cover plate 8 is matched with the inner side of the fixing sleeve 4, the outer side of the sealing cover plate 8 is provided with a second fixing part 9, the second fixing part 9 is provided with a second through hole 10, the top of the fixing sleeve 4, facing the inner side of the fixing sleeve 4, is provided with a third fixing part 11 matched with the second fixing part 9, the third fixing part 11, facing the inner side of the fixing sleeve 4, is perpendicular to the inner wall of the fixing sleeve 4, the third fixing part 11 is provided with a third through hole 12, the third through hole 12 and the second through hole 10 are hinged with each other through a fastening pin shaft 13, a plurality of garbage collecting pipes 2 are sequentially spliced end to end, the upper garbage collecting pipe 2 is inserted into the lower garbage collecting pipe 2, the falling of garbage in the inner part of the garbage collecting pipe 2 can be increased, each floor is provided with a garbage collecting pipe 2, through holes matched with the garbage collecting pipes 2 are formed in a floor in advance, each garbage collecting pipe 2 comprises a fixing sleeve 4 and a connecting sleeve 3, the fixing sleeve 4 is arranged at the top of the connecting sleeve 3, the diameter of the fixing sleeve 4 is larger than that of the connecting sleeve 3, garbage is thrown in through the top of the fixing sleeve 4, a first fixing part 5 is vertically arranged on the top of the fixing sleeve 4 towards the outer side, the first fixing part 5 is connected with the floor of the current floor through a fastening bolt 7, then the fixing sleeve 4 penetrates through the floor downwards, the connecting sleeve 3 at the bottom of the fixing sleeve 4 is connected with the fixing sleeve 4 of the next floor, a sealing cover plate 8 is arranged between the fixing sleeve 4 and the connecting sleeve 3 at the joint of the adjacent garbage collecting pipes 2, the sealing cover plates 8 are multiple, and the opening between the fixing sleeve 4 and the connecting sleeve 3 is covered, and the shape of the sealing cover plate 8 is matched with the inner sides of the fixing sleeve 4 and the connecting sleeve 3, the top of the fixing sleeve 4 extends inwards to form a third fixing part 11, the outer side of the sealing cover plate 8 is provided with a second fixing part 9, and the second fixing part 9 and the third fixing part 11 are hinged with each other.
In another embodiment, in this embodiment, when the present invention is used to transport and collect garbage at a construction site, first, through holes matched with the fixing sleeves 4 of the present invention are formed on the floor of each floor, then, the transition sleeve 14 is arranged between the fixing sleeve 4 and the connecting sleeve 3 of the present invention, the garbage collection box 1 is arranged right below, the garbage collection box 1 is arranged on the upper floor of the floor where the garbage collection box 1 is arranged, the garbage collection pipe 2 is downwardly passed through the through holes on the floor, the connecting sleeve 3 is connected with the garbage collection box 1, then the fastening bolt 7 is passed through the first fixing part 5 on the top of the fixing sleeve 4, the first fixing part 5 is connected with the floor, the garbage collection pipe 2 is downwardly passed through the through holes on the floor of the upper floor, the connecting sleeve 3 on the bottom and the fixing sleeve 4 on the lower floor are inserted into each other, and the first fixing part 5 is connected with the floor, other garbage collecting pipes 2 are connected in sequence, garbage can be directly thrown in the top, when garbage is thrown in an intermediate floor, the sealing cover plate 8 is opened, garbage is thrown in a gap between the fixed sleeve 4 and the connecting sleeve 3, the garbage impacts the transition sleeve 14 in the falling process, the falling speed is reduced, the garbage cannot generate strong impact force on the garbage collecting box under the action of the transition sleeves 14, finally the garbage falls into the garbage collecting box 1, the impact force of the garbage on the garbage collecting box 1 is reduced under the action of the reinforcing layer 18, the garbage is thrown in, the sealing cover plate 8 is buckled, and the strong impact force cannot be generated between the sealing cover plate 8 and the fixed block 15 under the action of the buffer block 16.
In the description herein, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The garbage conveying pipeline applied to a construction site is characterized by comprising a garbage collecting box (1) and at least two garbage collecting pipes (2) which are arranged in a continuous and parallel mode, wherein the axes of the garbage collecting pipes (2) are vertically arranged, the two adjacent garbage collecting pipes (2) are mutually inserted, the garbage collecting pipe (2) at the bottommost end is mutually connected with the garbage collecting box (1), the garbage collecting pipe (2) comprises a connecting sleeve (3) and a fixing sleeve (4), the top of the connecting sleeve (3) is mutually connected with the bottom of the fixing sleeve (4), a first fixing part (5) is arranged at the top of the fixing sleeve (4), the first fixing part (5) extends from the top of the fixing sleeve (4) and vertically extends to the outer side, a first through hole (6) is formed in the first fixing part (5), and a fastening bolt (7) penetrates through the first through hole (6), first through-hole (6) are provided with the internal thread, fastening bolt (7) are provided with the external screw thread that matches each other with the internal thread of first through-hole (6), and the diameter of adapter sleeve (3) is less than the diameter of adapter sleeve (4), and the level is provided with sealed apron (8) between the top of adapter sleeve (4) and adjacent adapter sleeve (3), the inboard of sealed apron (8) and the outside of adapter sleeve (3) match each other, and the outside of sealed apron (8) and the inboard of adapter sleeve (4) match each other, and the outside of sealed apron (8) is provided with second fixed part (9), second fixed part (9) are provided with second through-hole (10), and the top of adapter sleeve (4) is provided with third fixed part (11) that matches each other with second fixed part (9) towards the inboard of adapter sleeve (4), third fixed part (11) extend towards the inboard of adapter sleeve (4) and with the inner wall of adapter sleeve (4) each other extend The fixing device is vertically arranged, a third through hole (12) is formed in the third fixing portion (11), and the third through hole (12) is hinged to the second through hole (10) through a fastening pin shaft (13).
2. Waste conveyor pipe for application in construction sites, according to claim 1, characterized in that between the bottom of the fixed sleeve (4) and the top of the connection sleeve (3) there is arranged a transition sleeve, the diameter of the top of which is the same as the diameter of the fixed sleeve (4) and the diameter of the bottom of which is the same as the diameter of the connection sleeve (3).
3. Waste conveying pipe applied to construction site according to claim 1, characterized in that the bottom of the connecting sleeve (3) is provided with a fixing block (15) for limiting the downward rotation of the sealing cover plate (8) relative to the bottom of the sealing cover plate (8).
4. The waste conveying pipeline applied to the construction site as claimed in claim 3, wherein a buffer block (16) is arranged on the top of the fixing block (15), and the buffer block (16) is made of soft rubber.
5. The waste conveying pipeline applied to the construction site is characterized in that the outer wall of the fixed sleeve (4) and the outer wall of the connecting sleeve (3) are both provided with a sound insulation layer (17), the sound insulation layer (17) is made of polyester fibers, and the sound insulation layer (17) and the fixed sleeve (4) and the sound insulation layer (17) and the connecting sleeve (3) are connected with each other through environment-friendly glue.
6. Waste conveyor pipe for application in construction sites according to claim 1, characterised in that the bottom of the waste collection container (1) is provided with a reinforcement layer (18) in a position opposite to the bottom of the coupling sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911007149.1A CN110700517A (en) | 2019-10-22 | 2019-10-22 | Be applied to job site's rubbish pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911007149.1A CN110700517A (en) | 2019-10-22 | 2019-10-22 | Be applied to job site's rubbish pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110700517A true CN110700517A (en) | 2020-01-17 |
Family
ID=69202097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911007149.1A Withdrawn CN110700517A (en) | 2019-10-22 | 2019-10-22 | Be applied to job site's rubbish pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110700517A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008031173A1 (en) * | 2006-09-15 | 2008-03-20 | John Clement Preston | Refuse chute |
| TWM497636U (en) * | 2014-09-15 | 2015-03-21 | Yi-Xuan Lee | Bidirectional open and close organizer |
| CN205617732U (en) * | 2016-04-12 | 2016-10-05 | 中建八局第三建设有限公司 | Job site pipeline formula floor rubbish clearance system |
| CN206615702U (en) * | 2017-03-20 | 2017-11-07 | 河北长盈塑业有限公司 | A kind of building waste conveying device |
| CN206769315U (en) * | 2017-05-17 | 2017-12-19 | 赵煦 | A kind of building waste designated lane |
-
2019
- 2019-10-22 CN CN201911007149.1A patent/CN110700517A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008031173A1 (en) * | 2006-09-15 | 2008-03-20 | John Clement Preston | Refuse chute |
| TWM497636U (en) * | 2014-09-15 | 2015-03-21 | Yi-Xuan Lee | Bidirectional open and close organizer |
| CN205617732U (en) * | 2016-04-12 | 2016-10-05 | 中建八局第三建设有限公司 | Job site pipeline formula floor rubbish clearance system |
| CN206615702U (en) * | 2017-03-20 | 2017-11-07 | 河北长盈塑业有限公司 | A kind of building waste conveying device |
| CN206769315U (en) * | 2017-05-17 | 2017-12-19 | 赵煦 | A kind of building waste designated lane |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200117 |
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| WW01 | Invention patent application withdrawn after publication |