CN112678427A - Rubber belt conveyor device - Google Patents
Rubber belt conveyor device Download PDFInfo
- Publication number
- CN112678427A CN112678427A CN202011603301.5A CN202011603301A CN112678427A CN 112678427 A CN112678427 A CN 112678427A CN 202011603301 A CN202011603301 A CN 202011603301A CN 112678427 A CN112678427 A CN 112678427A
- Authority
- CN
- China
- Prior art keywords
- belt conveyor
- rubber
- adhesive tape
- tape machine
- coal
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000002390 adhesive tape Substances 0.000 claims abstract description 29
- 230000003139 buffering effect Effects 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Structure Of Belt Conveyors (AREA)
Abstract
The invention discloses an adhesive tape conveyor device, which comprises a first adhesive tape machine and a second adhesive tape machine; the rear end of the first adhesive tape machine is a first material receiving end, and the front end of the first adhesive tape machine is a first material discharging end; the rear end of the second adhesive tape machine is a second material receiving end, and the front end of the second adhesive tape machine is a second material discharging end; the second receiving end is positioned below the first discharging end; a buffering material guiding bed used for guiding the coal blocks to the second material receiving end is arranged on the front side of the first material discharging end; the buffering material guiding bed comprises a base and a plurality of first rubber plates which are arranged below the base at intervals in the front-back direction. The rubber belt conveyor device disclosed by the invention can provide guidance and buffering for the movement of the coal briquettes by arranging the buffering material guiding bed, can reduce the crushing of the coal briquettes, and can also limit the falling of the coal briquettes, so that the coal briquettes fall on the second rubber belt conveyor as much as possible, and the rubber belt conveyor device is beneficial to saving resources.
Description
Technical Field
The invention relates to the technical field of coal briquette conveying equipment, in particular to a rubber belt conveyor device.
Background
The belt conveyor is the main equipment for transporting the coal blocks, and generally needs to be provided with a plurality of stages of belt conveyors for carrying and transporting in order to realize long-distance transportation. However, when the coal block falls from the upper belt conveyor to the lower belt conveyor, the coal block is likely to be broken, and the coal block is likely to separate from the transportation rail without a buffer blocking mechanism around the coal block.
In view of the above, it is necessary to provide a belt conveyor device with a buffering function.
Disclosure of Invention
The invention aims to provide a belt conveyor device with a buffering function, which can reduce the breakage of coal briquettes and limit the falling of the coal briquettes so that the coal briquettes fall on a lower belt conveyor as much as possible.
The technical scheme of the invention provides an adhesive tape conveyor device which comprises a first adhesive tape machine and a second adhesive tape machine;
the rear end of the first adhesive tape machine is a first material receiving end, and the front end of the first adhesive tape machine is a first material discharging end;
the rear end of the second adhesive tape machine is a second material receiving end, and the front end of the second adhesive tape machine is a second material discharging end;
the second receiving end is positioned below the first discharging end;
a buffering material guiding bed used for guiding the coal blocks to the second material receiving end is arranged on the front side of the first material discharging end;
the buffer material guide bed comprises a base and a plurality of first rubber plates which are arranged below the base at intervals from front to back;
in the vertical direction, the base part is positioned above the first discharge end, and the first rubber plates respectively extend downwards;
in any two adjacent first rubber plates, the lower end of the first rubber plate on the front side is lower than the lower end of the first rubber plate on the rear side.
Further, the lower ends of all the first rubber plates are positioned on the same smooth parabolic curve.
Further, a plurality of first protruding portions are arranged on the front surface and the rear surface of the first rubber plate at intervals.
Furthermore, a first cavity is formed in the first rubber plate, and first through holes communicated with the first cavity are arranged on the first protruding portion at intervals.
Further, the first convex part is hemispherical.
Further, each first rubber plate is arc-shaped in the width direction of the first tape machine.
Furthermore, a buffering material guide funnel is arranged above the second material receiving end, and the buffering material guide funnel is positioned below the buffering material guide bed;
the buffer material guide hopper comprises a cylinder body with a central axis and a plurality of second rubber plates which are arranged on the inner side of the cylinder body at intervals up and down;
in any two adjacent second rubber plates, the distance between the second rubber plate below and the central axis is smaller than the distance between the second rubber plate above and the central axis.
Furthermore, conical curved surfaces are formed among the end parts of the second rubber plates.
Furthermore, a plurality of second protruding parts are respectively arranged on the upper surface and the lower surface of the second rubber plate at intervals.
Further, a second cavity is formed in the second rubber plate, and second through holes communicated with the second cavity are arranged on the second protruding portion at intervals.
By adopting the technical scheme, the method has the following beneficial effects:
according to the belt conveyor device, the buffer material guide bed is arranged to guide and buffer the movement of the coal blocks, so that the crushing of the coal blocks can be reduced, the falling of the coal blocks can be limited, the coal blocks fall on the second belt conveyor as much as possible, and the belt conveyor device is beneficial to saving resources.
Drawings
Fig. 1 is a schematic view of a belt conveyor apparatus according to an embodiment of the present invention;
FIG. 2 is a side view of a buffer bed;
FIG. 3 is a top view of the first rubber sheet;
FIG. 4 is a cross-sectional view of a first rubber sheet;
fig. 5 is a sectional view of a buffer material guide hopper;
fig. 6 is a sectional view of the second rubber sheet.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, a belt conveyor apparatus according to an embodiment of the present invention includes a first belt conveyor 1 and a second belt conveyor 2.
The rear end of the first adhesive tape machine 1 is a first material receiving end 12, and the front end of the first adhesive tape machine 1 is a first material discharging end 13. The rear end of the second adhesive tape machine 2 is a second receiving end 22, and the front end of the second adhesive tape machine 2 is a second discharging end 23. The second receiving end 22 is located below the first discharge end 13.
A buffer guide bed 3 for guiding the coal pieces to the second receiving end 22 is arranged in front of the first discharge end 13.
The buffer material guiding bed 3 comprises a base 31 and a plurality of first rubber plates 32 which are arranged below the base 31 at intervals.
In the vertical direction, the base 31 is located above the first discharge end 13, and a plurality of first rubber plates 32 extend downward, respectively.
Among any two adjacent first rubber plates 32, the lower end of the first rubber plate 32 on the front side is lower than the lower end of the first rubber plate 32 on the rear side.
The invention provides a belt conveyor device which comprises a first belt conveyor 1, a second belt conveyor 2 and a buffering material guiding bed 3.
The first belt conveyor 1 is a first-level belt conveyor, and a conveying belt 11 of the first belt conveyor is sleeved on a roller. The first adhesive tape machine 1 transports the coal briquette from back to front, so the rear end of the first adhesive tape machine 1 is called a first receiving end 12, and the front end of the first adhesive tape machine 1 is called a first discharging end 13.
The second adhesive tape machine 2 is a two-stage adhesive tape machine, and a conveying belt 21 of the second adhesive tape machine is sleeved on the roller. The second tape machine 2 transports the coal from back to front, and therefore, the rear end of the second tape machine 2 is referred to as a second receiving end 22, and the front end of the second tape machine 2 is referred to as a second discharging end 23.
The second receiving end 22 is located vertically below the first discharge end 13.
The buffer guide bed 3 is mounted in front of the first discharge end 13 via a first bracket for guiding the coal pieces to fall onto the second receiving end 22.
The buffer material guiding bed 3 comprises a base part 31, and a first bracket is connected with the base part 31 to support the buffer material guiding bed 3. Vertically, the base 31 is above the first discharge end 13. In the front-rear direction, a main portion of the base 31 is forward of the first discharge end 13.
A plurality of first rubber plates 32 are provided on the bottom surface of the base 31, the plurality of first rubber plates 32 are arranged at intervals in the front-rear direction, and the first rubber plate 32 on the front side is longer than the first rubber plate 32 on the rear side, and therefore, the lower end of the first rubber plate 32 on the front side is lower than the lower end of the first rubber plate 32 on the rear side, and the coal lumps can be sequentially blocked. The first rubber sheet 32 can be made of waste belts, which saves cost.
After the coal blocks are conveyed to the first discharging end 13 by the conveying belt 11, the coal blocks can be thrown forwards, the thrown coal blocks are in contact with the first rubber plate 32, and the first rubber plate 32 is impacted to deform and absorb energy, so that the impact of the coal blocks is buffered. In the process that the first rubber plates 32 swing forwards, due to the air effect between two adjacent first rubber plates 32, the damping can be provided for the swinging of the first rubber plates 32, and the buffering performance for the impact of the coal blocks is improved. Moreover, the lower ends of the first rubber plates 32 are sequentially extended downwards, and the coal blocks with different masses or different masses can be guided to fall down by the collision with the different first rubber plates 32, so that the coal blocks fall orderly, and the lump coal loss caused by the mutual collision between the coal and the coal can be reduced.
Preferably, the lower ends of all the first rubber plates 32 are located on the same smooth parabolic curve, and the surface formed by the lower ends of the first rubber plates 32 is a parabolic curve, so that the coal blocks can be better guided to fall.
In one embodiment, as shown in fig. 4, a plurality of first protrusions 322 are provided on the front and rear surfaces of the first rubber sheet 32 at intervals, respectively.
When the first rubber plate 32 is impacted by the coal, the first rubber plate 32 can swing forward, the front first rubber plate 32 and the rear first rubber plate 32 can be touched, and the first bulge 322 is arranged to buffer the collision of the two first rubber plates 32. The first protrusion 322 is a rubber protrusion, which is integrally formed with the first rubber plate 32 and has elasticity. When the front and rear first rubber plates 32 are in contact, the first protruding portion 322 is compressed, deformed and absorbed with energy. Similarly, when the coal block directly collides with the first protrusion 322, the first protrusion 322 is compressed, deformed and absorbed with energy, so as to achieve a buffering effect and reduce the breakage of the coal block due to hard collision.
In one embodiment, as shown in fig. 4, the first rubber sheet 32 has a first cavity 321 therein, and the first protrusion 322 is provided with first through holes 323 at intervals communicating with the first cavity 321.
By providing the first cavity 321 in the first rubber sheet 32, the first rubber sheet 32 is more easily deformed, and the cushioning property of the first rubber sheet 32 can be improved, which can also improve the cushioning property of the first protrusion 322.
In normal state, air enters the first cavity 321 through the first through hole 323, and the internal air pressure and the external air pressure are equal. When the first protruding portion 322 is impacted, the first protruding portion 322 is compressed, and air in the first cavity 321 is discharged outside through the first through hole 323, which is beneficial to enable the first protruding portion 322 to effectively deform and absorb energy.
In one embodiment, the first protrusion 322 is hemispherical, has a smooth outer surface, can be filled with a large amount of gas, and has a good buffering effect.
In one embodiment, as shown in fig. 3, each first rubber sheet 32 has an arc shape in the width direction of the first tape machine 1. The left end and the right end of the first rubber plate 32 are positioned at the left side and the right side of the first adhesive tape machine 1, so that the coal blocks which transversely splash can be limited, and the coal blocks can fall onto the second receiving end 22 as much as possible.
In one embodiment, as shown in fig. 1 and 5, a buffer material guiding funnel 4 is arranged above the second receiving end 22, and the buffer material guiding funnel 4 is arranged below the buffer material guiding bed 3.
The buffer material guide funnel 4 includes a cylindrical body 41 having a central axis and a plurality of second rubber plates 42 disposed inside the cylindrical body 41 at intervals up and down.
In any two adjacent second rubber plates 42, the distance between the lower second rubber plate 42 and the central axis is smaller than the distance between the upper second rubber plate 42 and the central axis.
The buffering material guide funnel 4 is arranged above the second material receiving end 22 through a second bracket and is positioned below the buffering material guide bed 3.
The buffer material guide funnel 4 includes a circular cylinder 41, and the cylinder 41 has a central axis extending vertically.
A plurality of second rubber plates 42 are provided at intervals up and down inside the cylinder 41. The first rubber sheet 32 can be made of waste belts, which saves cost.
The lower second rubber plate 42 is longer than the upper second rubber plate 42, so that the distance between the lower second rubber plate 42 and the central axis of two adjacent second rubber plates 42 is smaller than the distance between the upper second rubber plate 42 and the central axis. The feed inlet of buffering guide funnel 4 is in the upper end, and the discharge gate is in the lower extreme, and the feed inlet is in on the second rubber slab 42 of upper extreme, and the discharge gate is in on the second rubber slab 42 of lower extreme, and the discharge gate is in directly over the conveyor belt 21 to the coal cinder that can fall slides on to the second material receiving end 22, and the minimize coal cinder collision is broken.
When the coal blocks are guided to fall down by the buffering material guiding bed 3, the coal blocks basically vertically fall, most of the falling coal blocks are contacted with the second rubber plates 42 due to the fact that coal block channels formed by the second rubber plates 42 are in a shrinkage shape from top to bottom, and the second rubber plates 42 are deformed and absorb energy after being impacted, so that the buffering effect on the impact of the coal blocks is achieved. In the process that the second rubber plates 42 swing downwards, due to the air effect between two adjacent second rubber plates 42, the second rubber plates 42 can be damped to swing, the buffer performance of impact on coal blocks is improved, and the lump coal loss caused by coal block collision can be reduced.
In one embodiment, as shown in fig. 5, the ends of the second rubber plates 42 are formed with a tapered curved surface therebetween to guide the coal to slide down onto the second receiving end 22 in order.
In one embodiment, as shown in fig. 6, a plurality of second protrusions 422 are provided on the upper and lower surfaces of the second rubber sheet 42 at intervals, respectively.
When the second rubber plate 42 is impacted by the coal, the second rubber plate can swing downwards, the upper and lower second rubber plates 42 can be touched, and the second bulge 422 can buffer the collision of the two second rubber plates 42. The second boss 422 is a rubber boss, which is integrally formed with the second rubber plate 42 and has elasticity. When the upper and lower second rubber plates 42 contact, the second protruding portion 422 will be compressed and deformed to absorb energy. Similarly, when the coal block directly collides with the second protrusion 422, the second protrusion 422 is compressed, deformed and absorbed with energy, so as to achieve a buffering effect and reduce the breakage of the coal block due to hard collision.
In one embodiment, as shown in fig. 6, the second rubber plate 42 has a second cavity 421 therein, and the second protrusion 422 is provided with second through holes 423 at intervals, which are communicated with the second cavity 421.
By providing the second cavity 421 in the second rubber plate 42, the second rubber plate 42 is more easily deformed, and the cushioning property of the second rubber plate 42 can be improved, which can also improve the cushioning property of the second protrusion 422.
In a normal state, air enters the second cavity 421 through the second through hole 423, and the internal air pressure and the external air pressure are equal. When the second protruding portion 422 is impacted, the second protruding portion 422 is compressed, and air in the second cavity 421 is discharged outside through the second through hole 423, so that the second protruding portion 422 can be effectively deformed and absorb energy.
In one embodiment, the second protrusion 422 has a hemispherical shape, a smooth outer surface, a large amount of gas filled therein, and a good buffering effect.
In summary, the belt conveyor device provided by the invention provides guidance and buffering for the movement of the coal briquettes by arranging the buffering material guiding bed, so that the coal briquettes can be reduced from being crushed, and the falling of the coal briquettes can be limited, so that the coal briquettes fall on the second belt conveyor as much as possible, and the belt conveyor device is beneficial to saving resources.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (10)
1. The belt conveyor device is characterized by comprising a first belt conveyor and a second belt conveyor;
the rear end of the first adhesive tape machine is a first material receiving end, and the front end of the first adhesive tape machine is a first material discharging end;
the rear end of the second adhesive tape machine is a second material receiving end, and the front end of the second adhesive tape machine is a second material discharging end;
the second receiving end is positioned below the first discharging end;
a buffering material guiding bed used for guiding the coal blocks to the second material receiving end is arranged on the front side of the first material discharging end;
the buffer material guide bed comprises a base and a plurality of first rubber plates which are arranged below the base at intervals from front to back;
in the vertical direction, the base part is positioned above the first discharge end, and the first rubber plates respectively extend downwards;
in any two adjacent first rubber plates, the lower end of the first rubber plate on the front side is lower than the lower end of the first rubber plate on the rear side.
2. A belt conveyor apparatus as in claim 1 wherein the lower ends of all of said first rubber sheets are on the same smooth parabolic curve.
3. A belt conveyor apparatus as in claim 1 wherein said first rubber sheet has a plurality of first projections provided on front and rear surfaces thereof at intervals, respectively.
4. A belt conveyor apparatus as in claim 3 wherein said first rubber sheet has a first cavity therein, and said first raised portion has first through holes spaced therefrom to communicate with said first cavity.
5. A belt conveyor apparatus as in claim 3 wherein the first raised portion is hemispherical.
6. A belt conveyor apparatus as in claim 1 wherein each of said first rubber plates is arcuate in a direction along the width of said first belt conveyor apparatus.
7. The belt conveyor device according to any one of claims 1 to 6, wherein a buffer guide funnel is provided above the second receiving end, the buffer guide funnel being located below the buffer guide bed;
the buffer material guide hopper comprises a cylinder body with a central axis and a plurality of second rubber plates which are arranged on the inner side of the cylinder body at intervals up and down;
in any two adjacent second rubber plates, the distance between the second rubber plate below and the central axis is smaller than the distance between the second rubber plate above and the central axis.
8. A belt conveyor apparatus as in claim 7 wherein a tapered curved surface is formed between ends of the second rubber plates.
9. A belt conveyor device according to claim 7, wherein a plurality of second protrusions are provided on upper and lower surfaces of said second rubber sheet at intervals, respectively.
10. A belt conveyor apparatus as in claim 9 wherein said second rubber sheet has a second cavity therein, and said second raised portion has second through holes spaced therefrom to communicate with said second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603301.5A CN112678427B (en) | 2020-12-29 | 2020-12-29 | Rubber belt conveyor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011603301.5A CN112678427B (en) | 2020-12-29 | 2020-12-29 | Rubber belt conveyor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112678427A true CN112678427A (en) | 2021-04-20 |
| CN112678427B CN112678427B (en) | 2022-11-25 |
Family
ID=75454453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011603301.5A Active CN112678427B (en) | 2020-12-29 | 2020-12-29 | Rubber belt conveyor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112678427B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891037A (en) * | 2009-05-21 | 2010-11-24 | 上海尼禄国际贸易有限公司 | Multi-buffer air packing device |
| CN203079296U (en) * | 2012-10-30 | 2013-07-24 | 中国神华能源股份有限公司 | Chute at transfer point of belt conveyor |
| CN103482350A (en) * | 2013-09-25 | 2014-01-01 | 山西永皓煤矸石发电有限公司 | Dustproof buffering device of belt conveyor |
| CN104150115A (en) * | 2014-07-25 | 2014-11-19 | 湖州丰盛新材料有限公司 | Clinker silo for containerized bulk conveyor |
| US20170283174A1 (en) * | 2014-04-21 | 2017-10-05 | China University Of Mining And Technology | Mechanical rocker arm-type vertical feeding cushioning device |
| CN206900314U (en) * | 2016-11-10 | 2018-01-19 | 刘红才 | Buffer device for collision |
| CN210029106U (en) * | 2019-05-24 | 2020-02-07 | 山东美貌制药有限公司 | Conveying line for spaced placement of cosmetic bottles |
| CN210064256U (en) * | 2019-06-06 | 2020-02-14 | 贺瑾胜 | Article carrying robot |
-
2020
- 2020-12-29 CN CN202011603301.5A patent/CN112678427B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891037A (en) * | 2009-05-21 | 2010-11-24 | 上海尼禄国际贸易有限公司 | Multi-buffer air packing device |
| CN203079296U (en) * | 2012-10-30 | 2013-07-24 | 中国神华能源股份有限公司 | Chute at transfer point of belt conveyor |
| CN103482350A (en) * | 2013-09-25 | 2014-01-01 | 山西永皓煤矸石发电有限公司 | Dustproof buffering device of belt conveyor |
| US20170283174A1 (en) * | 2014-04-21 | 2017-10-05 | China University Of Mining And Technology | Mechanical rocker arm-type vertical feeding cushioning device |
| CN104150115A (en) * | 2014-07-25 | 2014-11-19 | 湖州丰盛新材料有限公司 | Clinker silo for containerized bulk conveyor |
| CN206900314U (en) * | 2016-11-10 | 2018-01-19 | 刘红才 | Buffer device for collision |
| CN210029106U (en) * | 2019-05-24 | 2020-02-07 | 山东美貌制药有限公司 | Conveying line for spaced placement of cosmetic bottles |
| CN210064256U (en) * | 2019-06-06 | 2020-02-14 | 贺瑾胜 | Article carrying robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112678427B (en) | 2022-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212549778U (en) | Roller crusher | |
| CN112678427B (en) | Rubber belt conveyor device | |
| CN211520659U (en) | Material buffering structure for mining belt conveyor | |
| CN202063548U (en) | Belt transfer station and material receiving funnel thereof | |
| CN202864488U (en) | Discharging system | |
| CN208217764U (en) | A kind of pan feeding chute and scrapper conveyor | |
| CN203806516U (en) | Impact-resistant raised edge conveyer belt | |
| CN211309004U (en) | High packagine machine of stability | |
| CN201647634U (en) | Lateral discharging belt conveyer chute | |
| CN203866206U (en) | Limestone calcining kiln tail material feeding and guiding device with buffer boards | |
| CN208377793U (en) | A kind of bottom sheet machine conveyer belt making apparatus | |
| CN218200682U (en) | Material buffering conveyor | |
| CN212092418U (en) | Feeding device of jaw crusher | |
| KR101922468B1 (en) | System for preventing damage of chute by using wearing unit | |
| CN216234403U (en) | Sorting transmission band cigarette finishing device | |
| CN206307517U (en) | A kind of lower mineral aggregate bucket with pooling feature | |
| CN206810361U (en) | A kind of synchronous jaw crusher of broken sieve | |
| CN201416447Y (en) | Reversed loader delivery chute equipped with replaceable middle board and bottom board | |
| CN213111337U (en) | Prevent unrestrained transmission band for ore of material | |
| CN210112921U (en) | Semi-autogenous grinding feeding dolly | |
| CN213264771U (en) | Vibration feeder capable of reducing blanking impact force | |
| CN203889579U (en) | Tipper system | |
| CN218318814U (en) | Feeding device and sorting machine | |
| CN218950265U (en) | Self-moving machine tail is with wear-resisting material receiving device of buffering | |
| CN213737334U (en) | Buffering bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |