CN109339407A - Two-stage pressurizing feeding structure for non-newtonian fluid - Google Patents
Two-stage pressurizing feeding structure for non-newtonian fluid Download PDFInfo
- Publication number
- CN109339407A CN109339407A CN201811332611.0A CN201811332611A CN109339407A CN 109339407 A CN109339407 A CN 109339407A CN 201811332611 A CN201811332611 A CN 201811332611A CN 109339407 A CN109339407 A CN 109339407A
- Authority
- CN
- China
- Prior art keywords
- conveyor belt
- newtonian fluid
- lower conveyor
- feeding structure
- stage pressurizing
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
-
- 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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/22—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units
- B65G15/24—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units in tandem
-
- 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
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
Abstract
The invention discloses the two-stage pressurizing feeding structures for non-newtonian fluid, upper conveyor belt including lower conveyor belt, above lower conveyor belt, towards ipsilateral inclination, the upper surface of lower conveyor belt, the lower surface of upper conveyor belt are to transmit from the bottom up for the lower conveyor belt, upper conveyor belt.The purpose of the present invention is to provide the two-stage pressurizing feeding structures for non-newtonian fluid, to solve to be used for the non-newtonian fluid raw material blanking of metope processing equipment in the prior art, under inevasible vibration interference, it can not be transmitted by inclined conveyer belt, but carried out by horizontal conveyer belt or by the mode that free gravity falls, horizontal conveyer belt is high to position concerns mandate, causes space utilization rate extremely low；The mode raw material that free gravity falls dispenses more uneven problem, and realizing makes non-newtonian fluid also being capable of purpose that is continuous, stable and uniformly carrying out feeding along inclined conveyer belt.
Description
Technical field
The present invention relates to metope process fields, and in particular to the two-stage pressurizing feeding structure for non-newtonian fluid.
Background technique
Field is fitted up indoors, and metope processing is an essential procedure.It such as criticizes wall, Puttying, polish, mopping
Deng.The processing operation of these metopes needs to expend a large amount of human costs, and in order to guarantee the planarization to metope processing, to worker's
Skill is more demanding, it is often necessary to be repaired, so that metope treatment effeciency is low.For this purpose, occurring in the prior art some
Metope processing equipment, such as batch wall telephone, wall painting machine.This kind of equipment in the prior art is realized by the structure of mechanization
Automatically shovel wall, batch wall, the operations such as whitewash a wall.Raw material used in this kind of equipment, as cement slurry, putty, emulsion paint etc.
It is to prepare in storage container in advance, then be transmitted to workpiece and be applied on metope.Due to cement, cement mortar, putty,
Wall finiss etc. belongs to non-newtonian fluid, and non-newtonian fluid is unsatisfactory for newton stickiness experimental laws and Darcy's law, shear stress
It is not linear relationship between shear strain rate, therefore in the prior art, this kind of non-newtonian fluid is transmitted to from storage container
During workpiece, it is merely able to be transmitted by the conveyer belt of horizontal distribution, otherwise will lead to cement slurry, putty, wall
The non-newtonian fluids such as finishing coat generate falling tendency.And metope processing equipment during the work time, it is impossible to pinpoint work, all need
It to carry out moving carry out operation along metope.Vibration is inevitably generated in the process, which can act directly on cement slurry, greasy
On the non-newtonian fluids such as son, wall finiss, in conjunction with the falling tendency that gravity generates, the landing of such non-newtonian fluid is directly resulted in,
Lead to not the feeding of continuous uniform, so that feedstock transportation can not be carried out normally.For these reasons, in the prior art
For the raw material blanking of metope processing equipment, be all by horizontal conveyer belt, or the mode that is directly fallen by free gravity into
Row is realized.However, the mode of horizontal conveyer belt transmission, results between discharge port and workpiece for magazine
Relative positional relationship requirement is high, and the two must satisfy in same level, and which results in existing metope processing equipments
Structure is not compact, bulky, space utilization rate is extremely low, and often because volume is excessive and inconvenient into certain narrow areas
Operation is carried out in domain.And it is excessively original based on the mode that free gravity falls, raw material dispatching is more uneven, seriously affects at metope
The flatness and compactness of reason.
Summary of the invention
The purpose of the present invention is to provide the two-stage pressurizing feeding structures for non-newtonian fluid, to solve in the prior art
For the non-newtonian fluid raw material blanking of metope processing equipment, under inevasible vibration interference, inclined biography can not be passed through
It send band to be transmitted, but is carried out by horizontal conveyer belt or by the mode that free gravity falls, horizontal conveyer belt is to position
Concerns mandate is high, causes space utilization rate extremely low；The mode raw material that free gravity falls dispenses more uneven problem, realizes
Make non-newtonian fluid also being capable of purpose that is continuous, stable and uniformly carrying out feeding along inclined conveyer belt.
The present invention is achieved through the following technical solutions:
Upload for the two-stage pressurizing feeding structure of non-newtonian fluid, including lower conveyor belt, above lower conveyor belt
Band is sent, towards ipsilateral inclination, the upper surface of lower conveyor belt, the lower surface of upper conveyor belt are for the lower conveyor belt, upper conveyor belt
It transmits from the bottom up.
It is dry in inevasible vibration for the non-newtonian fluid raw material blanking for being used for metope processing equipment in the prior art
The mode disturbed down, can not transmitted by inclined conveyer belt, but fall by horizontal conveyer belt or by free gravity into
Row, horizontal conveyer belt is high to position concerns mandate, causes space utilization rate extremely low；The mode raw material that free gravity falls is matched
More uneven problem is sent, the present invention proposes the two-stage pressurizing feeding structure for being used for non-newtonian fluid, this structure includes lower transmission
Band, for carrying the non-newtonian fluid raw material transmitted, such as cement slurry, putty, wall finiss.It is arranged in the top of lower conveyor belt
Upper conveyor belt, so that lower conveyor belt, upper conveyor belt are tilted towards ipsilateral, it is ensured that the upper surface of lower conveyor belt, upper conveyor belt
Lower surface be to transmit from the bottom up, the upper surface for being lower conveyor belt is upward end motion, and the lower surface of upper conveyor belt
Be also upward end motion, to those skilled in the art, it is clear that this just need lower conveyor belt, upper conveyor belt turn
Moving contrary can realize.The arrival end of non-newtonian fluid raw material is the lower one end in position, non-newtonian flow in the present invention
Body raw material enters on lower conveyor belt from lower, as lower conveyor belt is transmitted obliquely upward.During this, non-newtonian fluid raw material
It into the gap between lower conveyor belt and upper conveyor belt, is compressed by the lower surface of lower conveyor belt, only need to control transmission speed,
So that the transmission speed of lower conveyor belt, upper conveyor belt is equal, non-newtonian fluid raw material can be made in lower conveyor belt and upload
It send in the gap between band and keeps relatively fixed relative to lower conveyor belt, upper conveyor belt, non-newtonian fluid raw material is in lower section quilt
The upper surface institute support of lower conveyor belt is uploaded the lower surface of band is sent to apply pressure above, so that non-newtonian fluid is former
Expect to be consolidated in upper and lower two sides, form clamped structure, until the top of lower conveyor belt is moved to, completion feeding process.
The present invention overcomes the technologies that can not carry out material transport by inclined conveyer belt in metope processing equipment in the prior art
Prejudice, although metope processing equipment during the work time, it is impossible to pinpoint work, require to carry out moving progress along metope
Operation inevitably generates vibration in the process, but when the vibration is transferred on the non-newtonian fluid raw material transmitted, due to having
Upper conveyor belt applies pressure from above, and non-newtonian fluid raw material is not only enabled to tilt upward the movement of stable and uniform, moreover it is possible to
Enough by the way that non-newtonian fluid raw material is carried out clamping up and down, preventing inevitably vibration causes non-newtonian fluid raw material locally to shake
Dynamic dispersion, glide the defect to fall off.In addition, the present invention not only overcomes the vibration bring defect, it is also fully utilized by the vibration
It is dynamic:, can not only by the composite structure of upper conveyor belt and lower conveyor belt when the raw material transmitted is cement slurry or cement mortar
Cement slurry or stablizing for cement mortar is enough maintained to transmit, additionally it is possible to the interim cement conservation structure to exert a force up and down is formed,
Using inevitable vibration, the bubble in cement slurry or cement mortar is broken, thus by the metope processing equipment course of work
In inevitably defect be converted into cement slurry or cement mortar operation interesting advantage, greatly improve after theing cement solidifies
Compactness reduces the constructional deficiencies such as hollowing.The present invention compared to the prior art in the mode that is transmitted by horizontal conveyer belt,
It no longer needs to the relative positional relationship between discharge port and workpiece for magazine and claims high, the two no longer must
It must meet in same level, therefore greatly optimize the space structure of metope processing equipment, thoroughly abandon existing skill
The harshness of spatial relation is limited in art.In addition, the present invention ingredient side that middle free gravity falls compared to the prior art
Formula, raw material dispatching is uniform and stable, rather than the falling at stock at stock, therefore can significantly improve the flatness and densification of metope processing
Property.
Further, pressurization passageway is constituted between the upper surface of the lower conveyor belt, the lower surface of upper conveyor belt, it is described to add
The height of pressure passageway becomes narrow gradually from the bottom up.It is that gap between lower conveyor belt, upper conveyor belt becomes narrow gradually from the bottom up,
So that non-newtonian fluid raw material is during upward transmission, suffered extruding force is gradually increased, lower conveyor belt, upload
It send band jointly bigger to non-newtonian fluid raw material pressure applied, the continuous of gravitional force during gradually uplink is offset with this
Increase, so that being transmitted for non-newtonian fluid raw material more stable and uniform, further increases using effect of the invention.
Preferably, the top export height of the pressurization passageway, be pressurization passageway bottom end inlet height 80%~
90%.It is the gap between lower conveyor belt, upper conveyor belt on top, between lower conveyor belt, upper conveyor belt between bottom end
The 80%~90% of gap.
Preferably, the upper surface of the lower conveyor belt and the angle of horizontal plane are 35~40 °.It is the upper table of lower conveyor belt
The direction of transfer in face and the angle of horizontal plane are gradually acclivitous 35~40 ° along the conveying direction, within this range this hair
Bright can also ensure that stablizes transmission to non-newtonian fluid raw material.
It preferably, further include the charging scraper plate that lower conveyor belt lower end is set, under the charging scraper plate and lower conveyor belt
End connects.Non-newtonian fluid raw material is transmitted on the upper surface by entering back into lower conveyor belt after charging scraper plate.Feed scraper plate
Not only act as the effect of changeover portion, additionally it is possible to the smooth of a bottom is effectively carried out first to non-newtonian fluid raw material, so that
It after the bottom of non-newtonian fluid raw material is smooth, can reliably be docked with the upper surface of lower conveyor belt, smooth enters
On the upper surface of lower conveyor belt, avoid non-newtonian fluid raw material viscous glutinous in the upper surface of lower conveyor belt.Meanwhile into charging scraper plate
On raw material under effect of inertia be easy constantly accumulation, be easy to cause raw material to block, by feed scraper plate it can also be played
Buffer excessive effect.
Preferably, the charging scraper plate is from one end of separate lower conveyor belt to one end close to lower conveyor belt, gradually downward
Inclination.By making non-newtonian fluid raw material can be under the effect of gravity under the direction towards lower conveyor belt on charging scraper plate
It is sliding, enter the efficiency on lower conveyor belt so as to improve non-newtonian fluid raw material, avoids stopping state.
Preferably, the angle between the charging scraper plate and horizontal plane is 5~10 °.The angle is too small, the component mistake of gravity
It is small, non-newtonian fluid raw material can not be accelerated to enter on lower conveyor belt；The angle is excessive, non-newtonian fluid raw material gliding speed mistake
Fastly, cause leveling not enough just slide on lower conveyor belt, be easy to cause glue stick phenomenon.Angular range in this programme is optimal
Select range.
Preferably, the lower conveyor belt, the transmission linear velocity of upper conveyor belt are equal.So that for the non-newtonian flow transmitted
For body raw material, pressure holding transmission rate suffered by upper surface, lower surface is equal, avoids occurring in transmission process layering now
As improving the globality of non-newtonian fluid raw material in transmission process.
Preferably, the lower conveyor belt, upper conveyor belt are the crawler belt or belt for being driven by motor and being turned round.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention is used for the two-stage pressurizing feeding structure of non-newtonian fluid, overcomes and sets in the prior art in metope processing
The standby interior technology prejudice that material transport can not be carried out by inclined conveyer belt, although in metope processing equipment in the course of work
In, it is impossible to work is pinpointed, requires to carry out moving carry out operation along metope, inevitably generates vibration in the process, still
When the vibration is transferred on the non-newtonian fluid raw material transmitted, due to there is upper conveyor belt to apply pressure from above, not only make
Non-newtonian fluid raw material can tilt upward the movement of stable and uniform, additionally it is possible to by the way that non-newtonian fluid raw material is carried out folder up and down
It holds, prevents inevitably to vibrate the defect for causing non-newtonian fluid raw material local vibration dispersion, downslide to fall off.
2, the present invention is used for the two-stage pressurizing feeding structure of non-newtonian fluid, when the raw material transmitted is cement slurry or cement
When mortar, by the composite structure of upper conveyor belt and lower conveyor belt, cement slurry or stablizing for cement mortar can not only be maintained to pass
It is defeated, additionally it is possible to the interim cement conservation structure to exert a force up and down to be formed, using inevitable vibration, by cement slurry or water
Bubble in cement mortar is broken, thus convert defect inevitable in the metope processing equipment course of work to cement slurry or
Cement mortar operation interesting advantage greatly improves the compactness after theing cement solidifies, reduces the constructional deficiencies such as hollowing.
3, the present invention is used for the two-stage pressurizing feeding structure of non-newtonian fluid, compared to the prior art in by horizontal transmission
The mode that band is transmitted, the relative positional relationship proposition no longer needed between discharge port and workpiece for magazine are wanted
Ask high, the two no longer must satisfy in same level, therefore greatly optimize the space structure of metope processing equipment,
It has thoroughly abandoned and the harshness of spatial relation has been limited in the prior art.
4, the present invention is used for the two-stage pressurizing feeding structure of non-newtonian fluid, and middle free gravity falls compared to the prior art
Batching mode, raw material dispatching is uniform and stable, rather than the falling at stock at stock, therefore can significantly improve the smooth of metope processing
Degree and compactness.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention；
Fig. 2 is the side view when specific embodiment of the invention is used in metope processing equipment；
Fig. 3 is the structural schematic diagram when specific embodiment of the invention is used in metope processing equipment.
Label and corresponding parts title in attached drawing:
1- shell, 2- retracting cylinder, 3- flange, 4- catch bar, 5- motor, 6- screw rod, 7- screw shell, the connection of 8- first
Axis, 9- Hooks coupling universal coupling, the second connecting shaft of 10-, 11- first bevel gear, 12- second bevel gear, 13- link block, 14- interlayer
Cylinder, 15- protrusion, 16- primary conveyer belt, 17- blowing flashboard, 18- discharge port, 19- lower conveyor belt, 20- upper conveyor belt, 21-
Pressurization passageway, 22- feed scraper plate.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
Two-stage pressurizing feeding structure for non-newtonian fluid as shown in Figure 1 to Figure 3, including lower conveyor belt 19, be located at
The upper conveyor belt 20 of the top of lower conveyor belt 19, the lower conveyor belt 19, upper conveyor belt 20 towards ipsilateral inclination, lower conveyor belt 19
Upper surface, upper conveyor belt 20 lower surface be to transmit from the bottom up.
Embodiment 2:
Two-stage pressurizing feeding structure for non-newtonian fluid as shown in Figure 1 to Figure 3, on the basis of embodiment 1, institute
State composition pressurization passageway 21, the height of the pressurization passageway 21 between the upper surface of lower conveyor belt 19, the lower surface of upper conveyor belt 20
Degree becomes narrow gradually from the bottom up.The lower conveyor belt 19, the transmission linear velocity of upper conveyor belt 20 are equal.The lower conveyor belt 19,
Upper conveyor belt 20 is the crawler belt or belt for being driven by motor and being turned round.
Embodiment 3:
Two-stage pressurizing feeding structure for non-newtonian fluid as shown in Figure 1 to Figure 3, in the base of any of the above-described embodiment
On plinth, the tip height of the pressurization passageway 21 is the 90% of the bottom end height of pressurization passageway 21.The lower conveyor belt 19 it is upper
The angle of surface and horizontal plane is 38.5 °, and the lower surface of the upper conveyor belt 20 and the angle of horizontal plane are 37 °.It further include setting
The charging scraper plate 22 in 19 lower end of lower conveyor belt is set, the charging scraper plate 22 connects with the lower end of lower conveyor belt 19.The charging
Scraper plate 22, to one end close to lower conveyor belt 19, tilts gradually downward from one end far from lower conveyor belt 19.The charging scraper plate
Angle between 22 and horizontal plane is 6 °.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. being used for the two-stage pressurizing feeding structure of non-newtonian fluid, which is characterized in that including lower conveyor belt (19), be located at lower transmission
Upper conveyor belt (20) above band (19), the lower conveyor belt (19), upper conveyor belt (20) are towards ipsilateral inclination, lower conveyor belt
(19) lower surface of upper surface, upper conveyor belt (20) is to transmit from the bottom up.
2. the two-stage pressurizing feeding structure according to claim 2 for non-newtonian fluid, which is characterized in that passed under described
It send and constitutes pressurization passageway (21) between the upper surface of band (19), the lower surface of upper conveyor belt (20), the pressurization passageway (21)
Height becomes narrow gradually from the bottom up.
3. the two-stage pressurizing feeding structure according to claim 3 for non-newtonian fluid, which is characterized in that the pressurization
The top export height in channel (21) is the 80%~90% of the bottom end inlet height of pressurization passageway (21).
4. the two-stage pressurizing feeding structure according to claim 1 for non-newtonian fluid, which is characterized in that passed under described
The angle of the upper surface and horizontal plane of sending band (19) is 35~40 °.
5. the two-stage pressurizing feeding structure according to claim 1 for non-newtonian fluid, which is characterized in that further include setting
The charging scraper plate (22) in lower conveyor belt (19) lower end is set, charging scraper plate (22) connects with the lower end of lower conveyor belt (19).
6. the two-stage pressurizing feeding structure according to claim 5 for non-newtonian fluid, which is characterized in that the charging
Scraper plate (22) to one end close to lower conveyor belt (19), tilts gradually downward from one end far from lower conveyor belt (19).
7. the two-stage pressurizing feeding structure according to claim 6 for non-newtonian fluid, which is characterized in that the charging
Angle between scraper plate (22) and horizontal plane is 5~10 °.
8. the two-stage pressurizing feeding structure according to claim 1 for non-newtonian fluid, which is characterized in that passed under described
Send band (19), the transmission linear velocity of upper conveyor belt (20) equal.
9. the two-stage pressurizing feeding structure according to claim 1 for non-newtonian fluid, which is characterized in that passed under described
Sending band (19), upper conveyor belt (20) is the crawler belt or belt for being driven by motor and being turned round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332611.0A CN109339407A (en) | 2018-11-09 | 2018-11-09 | Two-stage pressurizing feeding structure for non-newtonian fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332611.0A CN109339407A (en) | 2018-11-09 | 2018-11-09 | Two-stage pressurizing feeding structure for non-newtonian fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109339407A true CN109339407A (en) | 2019-02-15 |
Family
ID=65313080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811332611.0A Pending CN109339407A (en) | 2018-11-09 | 2018-11-09 | Two-stage pressurizing feeding structure for non-newtonian fluid |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201023936Y (en) * | 2007-01-08 | 2008-02-20 | 孙明昭 | Common adhesive tape upwards transporting large-obliquity belt conveyer |
| JP2010030727A (en) * | 2008-07-28 | 2010-02-12 | Hamada Engineering:Kk | Belt conveyor for inverting and conveying article and article visual inspection device |
| CN101721721A (en) * | 2008-10-16 | 2010-06-09 | 克朗斯股份有限公司 | Device and method for conveying object |
| CN201713048U (en) * | 2010-06-30 | 2011-01-19 | 嘉兴市博宏新型建材有限公司 | Feeding belt conveyor |
| CN203158655U (en) * | 2013-01-18 | 2013-08-28 | 日照华宁机械有限公司 | Anti-skid material conveying device |
| CN104444057A (en) * | 2014-11-10 | 2015-03-25 | 安徽华奇管业有限公司 | Belt conveyor |
-
2018
- 2018-11-09 CN CN201811332611.0A patent/CN109339407A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201023936Y (en) * | 2007-01-08 | 2008-02-20 | 孙明昭 | Common adhesive tape upwards transporting large-obliquity belt conveyer |
| JP2010030727A (en) * | 2008-07-28 | 2010-02-12 | Hamada Engineering:Kk | Belt conveyor for inverting and conveying article and article visual inspection device |
| CN101721721A (en) * | 2008-10-16 | 2010-06-09 | 克朗斯股份有限公司 | Device and method for conveying object |
| CN201713048U (en) * | 2010-06-30 | 2011-01-19 | 嘉兴市博宏新型建材有限公司 | Feeding belt conveyor |
| CN203158655U (en) * | 2013-01-18 | 2013-08-28 | 日照华宁机械有限公司 | Anti-skid material conveying device |
| CN104444057A (en) * | 2014-11-10 | 2015-03-25 | 安徽华奇管业有限公司 | Belt conveyor |
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Application publication date: 20190215 |