CN105905569A - Reconstruction method and structure of feeding chute of vibrating feeder - Google Patents
Reconstruction method and structure of feeding chute of vibrating feeder Download PDFInfo
- Publication number
- CN105905569A CN105905569A CN201610413415.0A CN201610413415A CN105905569A CN 105905569 A CN105905569 A CN 105905569A CN 201610413415 A CN201610413415 A CN 201610413415A CN 105905569 A CN105905569 A CN 105905569A
- Authority
- CN
- China
- Prior art keywords
- chute
- buffer board
- plate
- oscillating feeder
- aggregate
- 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.)
- Pending
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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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
-
- 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
- B65G11/00—Chutes
- B65G11/16—Interior surfaces; Linings
- B65G11/166—Interior surfaces; Linings for bulk
-
- 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
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/28—Impact protection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chutes (AREA)
Abstract
The invention discloses a reconstruction method and structure of a feeding chute of a vibrating feeder. The method is characterized in that the feeding chute is designed to be an L-shaped chute; a mounting angle alpha of a discharging port of the L-shaped chute can be controlled to prevent aggregates from directly impacting a vibrating feeder during being discharged; meanwhile, a buffering plate is arranged at a front baffle plate of an inlet of the L-shaped chute, and a buffering step is arranged at the bottom part of the L-shaped chute, thus dead volume areas which are formed by the aggregates at corners of the L-shaped chute can be reduced, and the pressure of the aggregates on the feeding chute can be reduced; moreover, a material cushion can be formed on the buffering step through the aggregates and can be used for preventing the chute from direct abrasion caused by the aggregates; a bottom plate is arranged at the bottom part of the L-shaped chute and can be used for bearing the weight of most of the aggregates, so that the problem that the aggregates directly accumulate on the vibrating feeder to crush the vibrating feeder and the vibrating feeder cannot be restarted after stopping can be avoided. According to the reconstruction method, the feeding chute is reconstructed, so that the existing maintenance workload and maintenance cost can be greatly decreased; the method has the characteristics of being simple, and obvious in effect.
Description
Technical field
The present invention relates to remodeling method and the structure of a kind of oscillating feeder feed chute, belong to sand material and produce scrap build technical field.
Background technology
Existing oscillating feeder feed chute is when feed, and aggregate directly comes down in torrents on oscillating feeder, and aggregate is relatively big to oscillating feeder impact, is often broken by the cell body steel plate of oscillating feeder, needs to change frequently or repair the cell body steel plate of oscillating feeder
,
Not only add maintenance workload and maintenance cost, also affect the properly functioning of sandstone system.
Additionally, when oscillating feeder Homogeneous charge at full capacity, continuously aggregate can be full of in oscillating feeder feed chute, these aggregates are substantially all to be acted in oscillating feeder cell body, the vibrating spring causing oscillating feeder is elongated, the vibrating spring amplitude making oscillating feeder reduces, and have impact on the feed efficiency of oscillating feeder.If the unexpected failure of oscillation of oscillating feeder, oscillating feeder possibly even can directly be killed by aggregate, causes oscillating feeder to restart.
Summary of the invention
It is an object of the invention to, remodeling method and the structure of a kind of oscillating feeder feed chute are provided, with during by the transformation of oscillating feeder feed chute is made to topple over aggregate, avoid aggregate directly oscillating feeder cell body to be produced impact as far as possible, prevent from breaking oscillating feeder cell body, reduce the maintenance workload changed or repair oscillating feeder cell body steel plate；When oscillating feeder is shut down, feed chute undertake the weight of major part aggregate thus alleviate the load of oscillating feeder；If the unexpected failure of oscillation of oscillating feeder, the weight of major part aggregate can be undertaken by feed chute base plate, it is to avoid oscillating feeder is killed by aggregate, causes oscillating feeder to restart, thus overcomes the deficiencies in the prior art.
The technical scheme is that and be achieved in that:
The remodeling method of a kind of oscillating feeder feed chute of the present invention is that the method is to be designed to by feed chute
L
Type chute, by controlling
L
The established angle α of type chute discharging opening, it is to avoid directly oscillating feeder is impacted when letting out under lubricating substance；Exist simultaneously
L
The entrance front apron of type chute arranges buffer board,
L
The bottom of type chute arranges buffering step and exists to reduce aggregate
L
The dead volume district that type chute corner is formed, alleviates the aggregate pressure to feed chute, and makes aggregate form backing strap on buffering step, it is to avoid aggregate is to the direct brinelling bottom chute；?
L
The bottom of type chute arranges base plate, base plate undertake the weight of major part aggregate, it is to avoid aggregate is deposited directly on oscillating feeder and is killed by oscillating feeder, can avoid the problem that oscillating feeder cannot restart after shutting down.
In preceding method, the blanking edge of described buffer board and buffering step is strengthened by reinforcing bar, to avoid aggregate the edge abrasion of buffer board and buffering step to be destroyed.
In preceding method, being provided with pool of buffer plate and support bottom described buffer board, buffer board is supported for triangular steel plate, is supported by buffer board and strengthens buffer board, to avoid aggregate that buffer board is pounded deformation.
The structure of a kind of oscillating feeder feed chute of the present invention according to said method composition is that this structure includes two blocks of side plates, being shaped like of two blocks of side plates
L
Shape；Connecting and composing charging aperture through entrance front apron and entrance backboard between two blocks of side plates, two pieces of side plate other ends are discharging opening；Feed chute entrance is formed around the angle steel in order to be connected with concrete corridor；Connect through base plate bottom the discharging opening of two blocks of side plates；One group of the discharging opening top of two blocks of side plates reinforcing plate connects；Being provided with buffering step between entrance backboard and base plate, buffering step is made up of step horizontal plate and step perpendicular plate, step horizontal plate and step perpendicular plate two ends and two pieces of plate-side plate weldings；Buffer board, buffer board two ends and two pieces of plate-side plate weldings it are provided with inside entrance front apron；It is provided with pool of buffer plate bottom buffer board to support；The edge of buffer board and step horizontal plate is provided with reinforcing bar.
In aforementioned structure, the angle α between base and the horizontal plane of described two blocks of side plates is
15
°～
20
°。
In aforementioned structure, angle β between blanking edge and the back edge line of charging aperture of plane on described step horizontal plate
1
For
38
°～
42
°。
In aforementioned structure, angle β between blanking edge and the leading edge line of charging aperture of plane on described buffer board
2
For
38
°～
42
°。
Owing to have employed technique scheme, compared with prior art, the present invention forms the platform that gathers materials to the present invention in chute both sides, can form aggregate dead volume and pile up, and makes full use of the natural backing strap of aggregate formation as planing surface, the effectively abrasion of minimizing chute；Utilizing part reinforcing bar can effectively protect the platform that gathers materials, these can make chute itself have more the impact of anti-aggregate, the function of abrasion, it is possible to prevents aggregate to the impact of oscillating feeder and abrasion；Utilizing the platform of chute both sides and base plate to slow down supplied materials to the impact of oscillating feeder and abrasion, base plate can undertake the weight of major part aggregate, decrease the weight that oscillating feeder is born, thus improve amplitude and the feed efficiency of oscillating feeder；In the case of oscillating feeder is shut down suddenly, can prevent oscillating feeder from being killed by aggregate.
Accompanying drawing explanation
Figure
1
It it is the structural representation of the present invention；
Figure
2
It it is figure
1
Three-dimensional view；
Figure
3
It it is the application example schematic diagram of the present invention.
Being labeled as in figure:
1-
Side plate,
2-
Reinforcing plate,
3-
Entrance front apron,
4-
Entrance backboard,
5-
Step horizontal plate,
6-
Step perpendicular plate,
7-
Base plate,
8-
Angle steel,
9-
Reinforcing bar,
10-
Buffer board,
11-
Buffer board support,
12-
Concrete corridor,
13-
Vibrating spring,
14-
Dead volume district,
15-
Oscillating feeder,
16-
Batcher cell body,
17-
Charging aperture,
18-
Discharging opening,
19-
Buffering step.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings, but not as any limitation of the invention.
The remodeling method of a kind of oscillating feeder feed chute of the present invention, such as figure
1
~
2
Shown in, the method is to be designed to by feed chute
L
Type chute, by controlling
L
The established angle α of type chute discharging opening, it is to avoid directly oscillating feeder is impacted when letting out under lubricating substance；Exist simultaneously
L
The entrance front apron of type chute arranges buffer board,
L
The bottom of type chute arranges buffering step and exists to reduce aggregate
L
The dead volume district that type chute corner is formed, alleviates the aggregate pressure to feed chute, and makes aggregate form backing strap on buffering step, it is to avoid the aggregate directly abrasion to chute；?
L
The bottom of type chute arranges base plate, base plate undertake the weight of major part aggregate, it is to avoid aggregate is deposited directly on oscillating feeder and is killed by oscillating feeder, causes the problem that oscillating feeder cannot restart after shutting down.The blanking edge of buffer board and buffering step is strengthened by reinforcing bar, to avoid aggregate the edge abrasion of buffer board and buffering step to be destroyed.Being provided with pool of buffer plate bottom buffer board to support, buffer board is supported for triangular steel plate, is supported by buffer board and strengthens buffer board, to avoid aggregate that buffer board is pounded deformation.Two pieces of side plate tops are linked together by reinforcing plate, two blocks of side plates can be avoided outward-dipping when being impacted by aggregate, prevent chute side plate from contacting friction with the cell body of oscillating feeder.Side plate bottom can not be shut by base plate completely, only shuts the width of side plate bottom about 1/2nd, stays half as feed opening.
The structure of a kind of oscillating feeder feed chute of the present invention according to said method composition, such as figure
1
~
2
Shown in, including two blocks of side plates
1
, two blocks of side plates
1
Be shaped like
L
Shape；Two blocks of side plates
1
Between through entrance front apron
3
With entrance backboard
4
Connect and compose charging aperture
17
, two blocks of side plates
1
The other end is discharging opening
18
；Feed chute entrance
17
Be formed around in order to concrete corridor
12
The angle steel connected
8
；Two blocks of side plates
1
Discharging opening
18
Bottom is through base plate
7
Connect；Two blocks of side plates
1
Discharging opening
18
One group of top reinforcing plate
2
Connect；At entrance backboard
4
With base plate
7
Between be provided with buffering step
19
, buffer step
19
By step horizontal plate
5
With step perpendicular plate
6
Constitute, step horizontal plate
5
With step perpendicular plate
6
Two ends and two blocks of side plates
1
Welding；Entrance front apron
3
Inner side is provided with buffer board
10
, buffer board
10
Two ends and two blocks of side plates
1
Welding；Buffer board
10
Bottom is provided with pool of buffer plate and supports
11
；Buffer board
10
With step horizontal plate
5
Edge be provided with reinforcing bar
9
.Two blocks of side plates
1
Base and horizontal plane between angle α be
15
°～
20
°.Step horizontal plate
5
The blanking edge of upper plane and charging aperture
17
Back edge line between angle β
1
For
38
°～
42
°.Buffer board
10
The blanking edge of upper plane and charging aperture
17
Leading edge line between angle β
2
For
38
°～
42
°。
Embodiment
Such as figure
3
Shown in, when the feed chute of the present invention works, by angle steel
8
By being embedded in concrete corridor
12
Interior built-in fitting is fixed on concrete corridor
12
Bottom, and and concrete corridor
12
On feed opening alignment.The feed chute of the present invention is suspended from concrete corridor
12
Bottom surface.Concrete corridor
12
Bottom surface is also hung with oscillating feeder
15
, oscillating feeder
15
It is to pass through vibrating spring
13
It is suspended on concrete corridor
12
Bottom surface.The feed chute of the present invention is positioned at oscillating feeder
15
Batcher cell body
16
In, but not with batcher cell body
16
Contact.Oscillating feeder
15
Vibrate under the drive of vibrating motor.Aggregate is from concrete corridor
12
On feed opening enter the feed chute of the present invention, and by the feed chute of the present invention, aggregate is laid in oscillating feeder
15
Batcher cell body
16
In.In blanking process, aggregate can be at the buffer board of the feed chute of the present invention
10
With buffering step
19
Place forms dead volume district
14
, dead volume district
14
The aggregate at place is the most motionless, forms natural backing strap as planing surface, the effectively abrasion of minimizing chute.Work as oscillating feeder
15
When shutdown is not vibrated, the base plate bottom the feed chute of the present invention can assume responsibility for the weight of major part aggregate, decreases the weight that batcher is born, thus improves amplitude and the feed efficiency of batcher.Prevent from killing oscillating feeder.
As follows to the supplementary notes of the present invention:
The present invention includes side plate
1
, reinforcing plate
2
, entrance front apron
3
, entrance backboard
4
, step horizontal plate
5
, step perpendicular plate
6
, base plate
7
, angle steel
8
, reinforcing bar
9
, buffer board
10
Support with buffer board
11
Component and three angle parameters: α, β
1
、β
2
.Above-mentioned component such as figure
1
And figure
2
Shown in, use steel plate, angle steel and reinforcement welding to form.Size can be adjusted according to actual；
Wherein base plate
7
Effect be impact and the abrasion preventing aggregate directly to batcher；Undertake the weight of major part aggregate, reduce the aggregate directly effect to batcher；In the case of batcher is shut down suddenly, the effect that can undertake aggregate prevents batcher to be crushed to death.In order to not affect batcher blanking efficiency (i.e. blocking batcher charging aperture), base plate
7
Width can not be excessive, typically take 1/2nd of chute bottom opening and be advisable；Base plate
7
Established angle α (i.e. with horizontal angle) generally
17
About °；
Angle steel
8
Being distributed in four limits at chute top, its effect is to ensure that chute is connected (typically using welding) with the built-in fitting in concrete；
Reinforcing bar
9
It is arranged in step horizontal plate
5
And buffer board
10
Edge, and with step horizontal plate
5
And buffer board
10
It is welded to connect.Reinforcing bar
9
Effect be protection step horizontal plate
5
And buffer board
10
, reduce step horizontal plate
5
And buffer board
10
Abrasion；Buffer board
10
For steel plate material.Buffer board
10
With entrance front apron
3
Being welded to connect, effect is at entrance front apron
3
Inner side forms platform, can form aggregate dead volume (i.e. aggregate accumulation) in this side, makes full use of the natural backing strap of aggregate formation as planing surface, effective abrasion reducing chute；Step horizontal plate
5
With step perpendicular plate
6
The platform formed, mainly can form aggregate dead volume (i.e. aggregate accumulation) in this side.Make full use of the natural backing strap of aggregate formation as planing surface, the effectively abrasion of minimizing chute；Buffer board supports
11
Also being steel plate material, its effect is strength plate, is used for supporting buffer board
10
；
Wherein entrance backup member
4
Height and step horizontal plate
5
Width between formed angle beta
1
Can not be less than the angle of repose of aggregate, (angle of repose of artificial sand gravel typically exists
38
°～
42
°), mainly prevent dead volume too much；Buffer board
10
Support with buffer board
11
The height of the platform formed and buffer board
10
Width between formed angle beta
2
Can not be less than the angle of repose of aggregate, (angle of repose of artificial sand gravel typically exists
38
°～
42
°), mainly prevent dead volume too much.
Claims (7)
1. the remodeling method of an oscillating feeder feed chute, it is characterised in that: the method is that feed chute designs l-shaped chute, by controlling the established angle α of L-type chute discharging opening, it is to avoid directly impact oscillating feeder when letting out under lubricating substance；Entrance front apron at L-type chute arranges buffer board simultaneously, buffering step is set in the bottom of L-type chute to reduce the dead volume district that aggregate is formed in L-type chute corner, alleviate the aggregate pressure to feed chute, and make aggregate form backing strap on buffering step, it is to avoid aggregate is to the direct brinelling bottom chute；Base plate is set in the bottom of L-type chute, base plate undertakes the weight of major part aggregate, it is to avoid aggregate is deposited directly on oscillating feeder and is killed by oscillating feeder, cause the problem that oscillating feeder cannot restart after shutting down.
The remodeling method of oscillating feeder feed chute the most according to claim 1, it is characterised in that: the blanking edge of described buffer board and buffering step is strengthened by reinforcing bar, to avoid aggregate the edge abrasion of buffer board and buffering step to be destroyed.
The remodeling method of oscillating feeder feed chute the most according to claim 1, it is characterized in that: be provided with pool of buffer plate bottom described buffer board and support, buffer board is supported for triangular steel plate, is supported by buffer board and strengthens buffer board, to avoid aggregate by buffer board impact failure.
4. the structure of oscillating feeder feed chute constituted according to method described in claims 1 to 3 any claim, including two pieces of side plates (1), it is characterised in that: two pieces of side plates (1) be shaped like L-shaped；Connecting and composing charging aperture (17) through entrance front apron (3) and entrance backboard (4) between two pieces of side plates (1), two pieces of side plate (1) other ends are discharging opening (18)；Feed chute entrance (17) is formed around the angle steel (8) in order to be connected with concrete corridor (12)；Discharging opening (18) bottom of two pieces of side plates (1) connects through base plate (7)；One group of discharging opening (18) top of two pieces of side plates (1) reinforcing plate (2) connects；Being provided with buffering step (19) between entrance backboard (4) and base plate (7), buffering step (19) is made up of step horizontal plate (5) and step perpendicular plate (6), and step horizontal plate (5) and step perpendicular plate (6) two ends are welded with two pieces of side plates (1)；Entrance front apron (3) inner side is provided with buffer board (10), and buffer board (10) two ends are welded with two pieces of side plates (1)；Buffer board (10) bottom is provided with pool of buffer plate and supports (11)；The edge of buffer board (10) and step horizontal plate (5) is provided with reinforcing bar (9).
The structure of oscillating feeder feed chute the most according to claim 4, it is characterised in that: the angle α between base and the horizontal plane of described two pieces of side plates (1) is 15 °～20 °.
The structure of oscillating feeder feed chute the most according to claim 4, it is characterised in that: the angle β 1 between blanking edge and the back edge line of charging aperture (17) of the upper plane of described step horizontal plate (5) is 38 °～42 °.
The structure of oscillating feeder feed chute the most according to claim 4, it is characterised in that: the angle β 2 between blanking edge and the leading edge line of charging aperture (17) of the upper plane of described buffer board (10) is 38 °～42 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413415.0A CN105905569A (en) | 2016-06-14 | 2016-06-14 | Reconstruction method and structure of feeding chute of vibrating feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413415.0A CN105905569A (en) | 2016-06-14 | 2016-06-14 | Reconstruction method and structure of feeding chute of vibrating feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105905569A true CN105905569A (en) | 2016-08-31 |
Family
ID=56749850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610413415.0A Pending CN105905569A (en) | 2016-06-14 | 2016-06-14 | Reconstruction method and structure of feeding chute of vibrating feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105905569A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865181A (en) * | 2017-03-10 | 2017-06-20 | 大同煤矿集团有限责任公司 | Big drop coal circulation loading system with buffering noise reduction platform |
| CN109987373A (en) * | 2018-01-02 | 2019-07-09 | 清远南玻节能新材料有限公司 | The method of chute device and its protection structure and material transport |
| CN110510326A (en) * | 2019-09-19 | 2019-11-29 | 中电建十一局工程有限公司 | A kind of Preservation for Aggregate Production System energy-saving and noise-reducing chuting system |
| CN113020195A (en) * | 2021-04-19 | 2021-06-25 | 中国水利水电第九工程局有限公司 | Dustproof structure and method for machine-made sand and stone system |
| CN114394383A (en) * | 2022-02-15 | 2022-04-26 | 中国电建集团成都勘测设计研究院有限公司 | Feeding system applied to sandstone aggregate pile or material warehouse |
| CN115057153A (en) * | 2022-06-16 | 2022-09-16 | 北京建工资源循环利用投资有限公司 | Chute and design method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488881Y (en) * | 2001-06-19 | 2002-05-01 | 长沙冶金设计研究院 | Lump ore chutework |
| JP2014118294A (en) * | 2012-12-19 | 2014-06-30 | Nisshin Steel Co Ltd | Chute device for transit part of belt conveyor |
| CN103964135A (en) * | 2014-05-19 | 2014-08-06 | 山东华联矿业股份有限公司 | Suspended vibratory feeding system |
| KR20150113332A (en) * | 2014-03-27 | 2015-10-08 | 현대제철 주식회사 | Preventing device of abrasion for chute |
-
2016
- 2016-06-14 CN CN201610413415.0A patent/CN105905569A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488881Y (en) * | 2001-06-19 | 2002-05-01 | 长沙冶金设计研究院 | Lump ore chutework |
| JP2014118294A (en) * | 2012-12-19 | 2014-06-30 | Nisshin Steel Co Ltd | Chute device for transit part of belt conveyor |
| KR20150113332A (en) * | 2014-03-27 | 2015-10-08 | 현대제철 주식회사 | Preventing device of abrasion for chute |
| CN103964135A (en) * | 2014-05-19 | 2014-08-06 | 山东华联矿业股份有限公司 | Suspended vibratory feeding system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865181A (en) * | 2017-03-10 | 2017-06-20 | 大同煤矿集团有限责任公司 | Big drop coal circulation loading system with buffering noise reduction platform |
| CN109987373A (en) * | 2018-01-02 | 2019-07-09 | 清远南玻节能新材料有限公司 | The method of chute device and its protection structure and material transport |
| CN110510326A (en) * | 2019-09-19 | 2019-11-29 | 中电建十一局工程有限公司 | A kind of Preservation for Aggregate Production System energy-saving and noise-reducing chuting system |
| CN113020195A (en) * | 2021-04-19 | 2021-06-25 | 中国水利水电第九工程局有限公司 | Dustproof structure and method for machine-made sand and stone system |
| CN114394383A (en) * | 2022-02-15 | 2022-04-26 | 中国电建集团成都勘测设计研究院有限公司 | Feeding system applied to sandstone aggregate pile or material warehouse |
| CN114394383B (en) * | 2022-02-15 | 2023-11-28 | 中国电建集团成都勘测设计研究院有限公司 | Be applied to feed system of grit aggregate stock pile or magazine |
| CN115057153A (en) * | 2022-06-16 | 2022-09-16 | 北京建工资源循环利用投资有限公司 | Chute and design method thereof |
| CN115057153B (en) * | 2022-06-16 | 2023-09-26 | 北京建工资源循环利用投资有限公司 | Chute and design method thereof |
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Application publication date: 20160831 |