CN112141743A - Rectangular material warehouse with telescopic material scraping function at top of single-channel feeding - Google Patents
Rectangular material warehouse with telescopic material scraping function at top of single-channel feeding Download PDFInfo
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- CN112141743A CN112141743A CN202011162021.5A CN202011162021A CN112141743A CN 112141743 A CN112141743 A CN 112141743A CN 202011162021 A CN202011162021 A CN 202011162021A CN 112141743 A CN112141743 A CN 112141743A
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- Prior art keywords
- scraping
- feeding
- scrape
- belt conveyor
- discharging
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Classifications
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- 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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- 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
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
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- 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
- B65G47/56—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices to or from inclined or vertical conveyor sections
- B65G47/58—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices to or from inclined or vertical conveyor sections for materials in 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- 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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
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- 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
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials
- B65G69/045—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials with scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a single-channel feeding top telescopic scraping rectangular material warehouse.A feeding device comprises a feeding belt conveyor, a discharging car, a feeding walking cart and a reversible distribution belt conveyor, wherein the feeding walking cart is fixedly connected with the discharging car, the discharging car can take materials from the feeding belt conveyor, and the reversible distribution belt conveyor can receive materials from the discharging car; scrape material device and feed bin row number one-to-one, including spaning the cooperation and scraping the material walking cart on the material track of scraping of feed bin both sides, scrape the material track vertically and vertically logical length with the storehouse body, it is equipped with the revolving stage to scrape material walking cart middle part below, the transmission end of revolving stage lower part is equipped with the arm seat, be equipped with flexible arm on the arm seat, the expansion end of flexible arm is articulated with scraping the fill, scrape the fill and can accomplish the material action of scraping under the drive of flexible arm and pneumatic cylinder, scrape the fill when flexible arm extension and can scrape the feed bin lateral wall, can cross the partition wall between the adjacent feed bin of same row smoothly along with scraping the material walking cart when flexible arm upwards lifts up. The invention can realize full-plane feeding and discharging, and avoid stacking angles.
Description
Technical Field
The invention belongs to the technical field of raw material storage, and particularly relates to a single-channel feeding top telescopic scraping rectangular material warehouse.
Background
The raw material yard is specially used for processing the requirements of users of iron and steel enterprises, such as iron making, sintering, pelletizing, coking and the like, on raw materials, wherein the raw material varieties comprise various raw fuels, such as fine iron powder, iron ore powder, limestone, dolomite, silica, fluorite, coking coal, coal injection, sintering anthracite, falling pellets, falling sintering and the like, and the raw materials are used for storing, blending and transporting various raw materials transported in various modes according to a certain organization mode respectively to meet the requirements of the users, solve the unbalance of production and transportation between the iron and steel enterprises and mines, ensure the continuous and ordered production of the iron and steel enterprises, simultaneously carry out whole grain and uniform mixing on the materials and provide qualified mixed materials for the users.
At present, the stock ground comprises a closed grab bucket crane stock ground, an open-air material piling and taking machine stock ground, a half-portal stock ground, a full-portal high-top stock warehouse, a circular stock ground, a silo stock warehouse and the like. The closed grab bucket crane stock yard is not limited by a material stacking angle, the material stacking amount per unit area is relatively large, but the operation mode is intermittent operation, the automation and mechanization level is low, the production capacity is small, and the closed grab bucket crane stock yard is not suitable for large and medium-sized stock yards. Other stock yards all have their different shortcomings due to the limitations of equipment, environmental requirements, floor space requirements, material stacking angles and stacking heights.
Disclosure of Invention
The invention aims to provide a single-channel feeding top telescopic scraping rectangular material warehouse, which can realize full-plane feeding and discharging, avoid the generation of stacking angles, improve the storage capacity of a stock yard, and has the advantages of simple structure, small occupied space, convenience in operation and energy conservation.
The technical scheme adopted by the invention is as follows:
a single-channel feeding top-telescopic scraping rectangular material warehouse comprises a rectangular warehouse body, wherein the lower part of the warehouse body is divided into a plurality of material bins which are arranged in a matrix, all the material bins are communicated at the top of the warehouse body, a feeding device and a scraping device are arranged at the top in the warehouse body, a discharging device is arranged at the bottom of the warehouse body, and the scraping device is lower than the feeding device; the feeding device comprises a feeding belt conveyor which is longitudinally positioned in the middle of the warehouse body, a discharging car which is longitudinally and transversely matched on discharging car tracks on two sides of the feeding belt conveyor in a crossing manner, a feeding walking cart which is transversely matched on the feeding tracks on two sides of the warehouse body in a crossing manner, and a reversible distribution belt conveyor which is transversely arranged on a distribution track along the feeding walking cart, wherein the feeding walking cart is fixedly connected with the discharging car, the discharging car can take materials from the feeding belt conveyor, the reversible distribution belt conveyor can receive materials from the discharging car, and the feeding track, the feeding belt conveyor and the discharging car tracks are longitudinally through long with the warehouse body; the scraping devices are in one-to-one correspondence with the rows of the storage bins and comprise scraping traveling trolleys which stretch over the scraping rails on two sides of the storage bins, the scraping rails are longitudinally and longitudinally communicated with the bin body, a rotating table is arranged below the middle part of each scraping traveling trolley, an arm seat is arranged at the transmission tail end of the lower part of the rotating table and is hinged with the mounting end of a telescopic arm, the movable end of the telescopic arm is hinged with a scraping bucket, hydraulic cylinders are respectively connected between the arm seat and the mounting end of the telescopic arm and between the movable end of the telescopic arm and the scraping bucket, the scraping bucket can complete scraping action under the driving of the telescopic arm and the hydraulic cylinders, the scraping bucket can scrape the side wall of the storage bin when the telescopic arm extends, and the telescopic arm can smoothly cross partition walls between adjacent storage bins in the same row along with the scraping traveling trolley; the discharging device comprises a gate positioned at a discharging port on the bottom surface of the storage bin and a discharging belt conveyor positioned below the gate, and the discharging belt conveyors are in one-to-one correspondence with the storage bin rows and are longitudinally long with the storage body.
Further, the telescopic action of the telescopic arm is hydraulically driven.
Furthermore, the main body of the scraper bucket is a bucket-shaped groove, the back surface of the bucket-shaped groove faces the side wall of the storage bin, and the front end of the bucket-shaped groove extends outwards to form a protruding scraper.
Further, the feed bin bottom surface can be scraped to the scraper when flexible arm expandes, and the discharge gate of feed bin bottom surface is located the middle part of feed bin.
Further, the middle part of the scraping and traveling cart is arched, and the two sides of the scraping and traveling cart are downward.
Furthermore, a vibrating hopper is arranged at the position of the discharge port and is positioned between the gate and the discharge belt conveyor.
Furthermore, the feeding belt conveyor and the unloading car track are both installed on a platform at the top end of the longitudinal wall body in the middle of the warehouse body, and the feeding track and the scraping track are respectively installed on a support of the longitudinal wall body wall of the warehouse body.
Further, the discharging belt conveyor is positioned in the pit.
The invention has the beneficial effects that:
the feeding device solves the limitation of the limited range of the transverse discharging width of the discharging car, can discharge the raw materials conveyed by the feeding belt conveyor into the raw material warehouse in a full plane, has simple structure and small occupied space, and can realize a homogenization stockpiling mode during the feeding of the material warehouse, thereby being used as a primary stock ground and a uniform mixing stock ground to realize normalization; the scraping device is positioned below the feeding device, does not influence the feeding operation of the feeding device, and can cross the partition wall, so that the top scraping operation can be performed on a plurality of bins in a row, the top end of raw materials can be scraped by the scraping device, the generation of stacking angles is avoided, the storage capacity of a raw material yard is improved, and the scraping mode is adopted, so that the raw materials do not need to be lifted again after being fed, the operation is convenient, the energy is saved, the scraping device is simple in structure, the installation space is small, particularly, the vertical installation space is small, and the occupied space is small; the discharging device realizes the all-plane discharging of the raw materials.
Drawings
FIG. 1 is a schematic cross-sectional view of a single-pass feed top telescoping scrape rectangular bin in an embodiment of the invention.
FIG. 2 is a schematic longitudinal cross-sectional view of a single-pass feed top telescopic scraped rectangular bin in an embodiment of the invention.
FIG. 3 is a side view showing the structure of a feeding device in an embodiment of the present invention.
FIG. 4 is a front view of the structure of a feeding device in an embodiment of the present invention.
In the figure: 11-ceiling; 12-side retaining wall; 13-middle retaining wall; 14-partition wall; 15-end wall; 16-a discharge hole; 17-pit; 18-a support; 19-a platform; 2-a feeding device; 21-feeding belt conveyer; 22-a dump car track; 23-a discharge car; 24-a feed track; 25-feeding walking cart; 26-a matching track; 27-reversible distribution belt conveyor; 31-a scraping rail; 32-scraping walking cart; 33-a rotating table; 34-an arm seat; 35-a scraper; 36-a scraper; 37-hydraulic cylinder; 38-telescopic arm; 41-gate; 42-a vibratory hopper; 43-discharge belt conveyer.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1 to 4, the single-channel feeding top-telescopic scraping rectangular material warehouse comprises a rectangular warehouse body, the lower part of the warehouse body is divided into a plurality of material bins which are arranged in a matrix, all the material bins are common at the top of the warehouse body, a feeding device 2 and a scraping device are arranged at the top in the warehouse body, a discharging device is arranged at the bottom, and the scraping device is lower than the feeding device 2; the feeding device 2 comprises a feeding belt conveyor 21 which is longitudinally positioned in the middle of the warehouse body, a discharging car 23 which is longitudinally matched on discharging car tracks 22 on two sides of the feeding belt conveyor 21 in a crossing manner, a feeding walking cart 25 which is transversely matched on the feeding tracks 24 on two sides of the warehouse body in a crossing manner, and a reversible distribution belt conveyor 27 which is transversely arranged on a distribution track 26 along the feeding walking cart 25, wherein the feeding walking cart 25 is fixedly connected with the discharging car 23, the discharging car 23 can take materials from the feeding belt conveyor 21, the reversible distribution belt conveyor 27 can receive materials from the discharging car 23, and the feeding track 24, the feeding belt conveyor 21 and the discharging car tracks 22 are longitudinally through long with the warehouse body; the scraping devices correspond to the bin rows one to one and comprise scraping traveling trolleys 32 which stretch over the scraping rails 31 on two sides of the bin, the scraping rails 31 are longitudinally long and longitudinally communicated with the bin body, a rotating platform 33 is arranged below the middle part of each scraping traveling trolley 32, an arm seat 34 is arranged at the transmission tail end of the lower part of the rotating platform 33, the arm seat 34 is hinged with the mounting end of a telescopic arm 38, the movable end of the telescopic arm 38 is hinged with a scraping bucket 35, hydraulic cylinders 37 are respectively connected between the arm seat 34 and the mounting end of the telescopic arm 38 and between the movable end of the telescopic arm 38 and the scraping bucket 35, the scraping bucket 35 can complete scraping actions under the drive of the telescopic arm 38 and the hydraulic cylinders 37, the scraping bucket 35 can scrape the side wall of the bin when the telescopic arm 38 extends, and the scraping traveling trolleys 32 can smoothly cross partition walls 14 between adjacent bins in the same row when the telescopic arm 38 is lifted upwards; the discharging device comprises a gate 41 positioned at the discharge port 16 on the bottom surface of the storage bin and a discharging belt conveyor 43 positioned below the gate 41, and the discharging belt conveyors 43 correspond to the storage bin rows one to one and are longitudinally long with the storage bin body.
During feeding, feeding belt feeder 21 feeding, dummy car 23, feeding walking cart 25 and reversible join in marriage storehouse belt feeder 27 longitudinal movement, the material is got from feeding belt feeder 21 to dummy car 23, reversible join in marriage storehouse belt feeder 27 and receive the supplied materials of dummy car 23, reversible join in marriage storehouse belt feeder 27 and evenly unload through lateral shifting and positive reverse, the raw materials falls into the feed bin, strickle the paper through scraping the material mechanism, during the ejection of compact, open gate 41, scrape the cooperation of material mechanism and scrape the raw materials to discharge gate 16, finally see off through ejection of compact belt feeder 43. In the invention, the feeding device 2 solves the limitation of the limited range of the transverse discharging width of the discharging car 23, can discharge the raw materials conveyed by the feeding belt conveyor 21 into the raw material warehouse in a full plane, has simple structure and small occupied space, and can realize a homogenization stockpiling mode during the feeding of the material warehouse, thereby being used as a primary stock ground and a blending stock ground to realize normalization; the scraping device is positioned below the feeding device 2, the feeding operation of the feeding device 2 is not influenced, and the scraping device can cross the partition wall 14, so that the top scraping operation can be performed on a plurality of bins in a row, the top end of raw materials can be scraped by the scraping device, the generation of stacking angles is avoided, the storage capacity of a raw material yard is improved, and the scraping mode is adopted, the raw materials are not required to be lifted again after being fed, the operation is convenient, the energy is saved, the scraping device is simple in structure, the installation space is small, particularly, the vertical installation space is small, and the occupied space is small; the discharging device realizes the all-plane discharging of the raw materials.
In the present embodiment, the telescopic motion of the telescopic arm 38 is hydraulically driven.
As shown in fig. 1, in the present embodiment, the main body of the scraper 35 is a bucket-shaped groove, the back surface of the bucket-shaped groove faces the sidewall of the storage bin, and the front end of the bucket-shaped groove extends outward to form a protruding scraper 36, so as to facilitate scraping the sidewall of the storage bin and avoid scraping the sidewall of the storage bin.
As shown in fig. 1, in this embodiment, the scraper 35 can scrape the bottom surface of the storage bin when the telescopic arm 38 is unfolded, the discharge hole 16 on the bottom surface of the storage bin is located in the middle of the storage bin, and the scraper can scrape the residual raw material at the bottom to the discharge hole 16, so as to realize discharge without dead angle.
As shown in fig. 1, in this embodiment, the middle of the scraping traveling cart 32 is arched, and the two sides of the scraping traveling cart are downward, so that the installation height of the scraping arm is increased, and the force can be dispersed to the two sides.
As shown in fig. 1, in the present embodiment, a vibration hopper 42 is further disposed at the discharge port 16, the vibration hopper 42 is located between the gate 41 and the discharge belt conveyor 43, and the vibration hopper 42 can enable smooth and non-blocking discharge.
As shown in fig. 1, in this embodiment, the feeding belt conveyor 21 and the discharging car track 22 are both installed on the platform 19 at the top end of the longitudinal wall body in the middle of the warehouse body, the feeding track 24 and the scraping track 31 are respectively installed on the support 18 on the longitudinal wall body wall of the warehouse body, and the existing structure is utilized to install each device, thereby saving space and cost.
As shown in FIG. 1, in the embodiment, the discharging belt conveyor 43 is positioned in the pit 17, so that the space is saved.
In this embodiment, the warehouse body has two parallel columns of bins, two columns of bins are separated by a middle retaining wall 13, adjacent bins in the same column are separated by a separating wall 14, the outer edges of two columns of bins are sealed by a side retaining wall 12, the front and rear ends of two columns of bins are sealed by end walls 15, and the top surface of the warehouse body is sealed by a ceiling 11. The actual number of columns can be adjusted according to specific conditions, and is not limited to two columns, and certainly, if the site limitation is large, only one column of stock bins can be adopted.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a rectangle feed bin of telescopic scraping in single channel feeding top which characterized in that: the device comprises a rectangular storehouse body, wherein the lower part of the storehouse body is divided into a plurality of bins which are arranged in a matrix, all the bins are common at the top of the storehouse body, a feeding device and a scraping device are arranged at the top in the storehouse body, a discharging device is arranged at the bottom, and the scraping device is lower than the feeding device; the feeding device comprises a feeding belt conveyor which is longitudinally positioned in the middle of the warehouse body, a discharging car which is longitudinally and transversely matched on discharging car tracks on two sides of the feeding belt conveyor in a crossing manner, a feeding walking cart which is transversely matched on the feeding tracks on two sides of the warehouse body in a crossing manner, and a reversible distribution belt conveyor which is transversely arranged on a distribution track along the feeding walking cart, wherein the feeding walking cart is fixedly connected with the discharging car, the discharging car can take materials from the feeding belt conveyor, the reversible distribution belt conveyor can receive materials from the discharging car, and the feeding track, the feeding belt conveyor and the discharging car tracks are longitudinally through long with the warehouse body; the scraping devices are in one-to-one correspondence with the rows of the storage bins and comprise scraping traveling trolleys which stretch over the scraping rails on two sides of the storage bins, the scraping rails are longitudinally and longitudinally communicated with the bin body, a rotating table is arranged below the middle part of each scraping traveling trolley, an arm seat is arranged at the transmission tail end of the lower part of the rotating table and is hinged with the mounting end of a telescopic arm, the movable end of the telescopic arm is hinged with a scraping bucket, hydraulic cylinders are respectively connected between the arm seat and the mounting end of the telescopic arm and between the movable end of the telescopic arm and the scraping bucket, the scraping bucket can complete scraping action under the driving of the telescopic arm and the hydraulic cylinders, the scraping bucket can scrape the side wall of the storage bin when the telescopic arm extends, and the telescopic arm can smoothly cross partition walls between adjacent storage bins in the same row along with the scraping traveling trolley; the discharging device comprises a gate positioned at a discharging port on the bottom surface of the storage bin and a discharging belt conveyor positioned below the gate, and the discharging belt conveyors are in one-to-one correspondence with the storage bin rows and are longitudinally long with the storage body.
2. The single pass feed top telescoping scrape rectangular bin of claim 1 wherein: the telescopic action of the telescopic arm is hydraulically driven.
3. The single pass feed top telescopic scrape rectangular bin of claim 1 or 2, wherein: the main body of the scraper bucket is a bucket-shaped groove, the back surface of the bucket-shaped groove faces the side wall of the storage bin, and the front end of the bucket-shaped groove extends outwards to form a protruding scraper.
4. The single pass feed top telescopic scrape rectangular bin of claim 1 or 2, wherein: the scraper can scrape the bottom surface of the storage bin when the telescopic arm is unfolded, and a discharge hole in the bottom surface of the storage bin is formed in the middle of the storage bin.
5. The single pass feed top telescopic scrape rectangular bin of claim 1 or 2, wherein: the middle part of the scraping walking cart is arched, and the two sides of the scraping walking cart are downward.
6. The single pass feed top telescoping scrape rectangular bin of claim 1 wherein: the discharge gate department still is equipped with the vibration hopper, and the vibration hopper is located between gate and the ejection of compact belt feeder.
7. The single pass feed top telescoping scrape rectangular bin of claim 1 wherein: the feeding belt conveyor and the unloading trolley track are both arranged on a platform at the top end of the longitudinal wall body in the middle of the warehouse body, and the feeding track and the scraping track are respectively arranged on a support of the longitudinal wall body wall of the warehouse body.
8. The single pass feed top telescoping scrape rectangular bin of claim 1 wherein: the discharging belt conveyor is positioned in the pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162021.5A CN112141743A (en) | 2020-10-27 | 2020-10-27 | Rectangular material warehouse with telescopic material scraping function at top of single-channel feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011162021.5A CN112141743A (en) | 2020-10-27 | 2020-10-27 | Rectangular material warehouse with telescopic material scraping function at top of single-channel feeding |
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| Publication Number | Publication Date |
|---|---|
| CN112141743A true CN112141743A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011162021.5A Pending CN112141743A (en) | 2020-10-27 | 2020-10-27 | Rectangular material warehouse with telescopic material scraping function at top of single-channel feeding |
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| CN (1) | CN112141743A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022089253A1 (en) * | 2020-10-27 | 2022-05-05 | 中冶南方工程技术有限公司 | Top foldable scraping device in rectangular raw material yard |
| CN114733234A (en) * | 2022-04-13 | 2022-07-12 | 菏泽城建工程发展集团有限公司 | Horizontal-flow sedimentation tank sludge treatment device |
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| CN109552898A (en) * | 2018-12-26 | 2019-04-02 | 中冶南方工程技术有限公司 | Rectangular stock library |
| CN210594368U (en) * | 2019-10-12 | 2020-05-22 | 陈永德 | Industrial coal leveling machine |
| CN111424741A (en) * | 2020-05-06 | 2020-07-17 | 东北林业大学 | Wheel type telescopic arm loader working device |
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| CN202038730U (en) * | 2011-03-28 | 2011-11-16 | 贺方昀 | Bulk material stacking, storing and fetching system |
| CN202440061U (en) * | 2012-01-19 | 2012-09-19 | 中冶赛迪工程技术股份有限公司 | Elongated sealed material storage yard |
| CN109533781A (en) * | 2018-12-26 | 2019-03-29 | 中冶南方工程技术有限公司 | Rectangular stock library whole plane feed system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022089253A1 (en) * | 2020-10-27 | 2022-05-05 | 中冶南方工程技术有限公司 | Top foldable scraping device in rectangular raw material yard |
| CN114733234A (en) * | 2022-04-13 | 2022-07-12 | 菏泽城建工程发展集团有限公司 | Horizontal-flow sedimentation tank sludge treatment device |
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Application publication date: 20201229 |
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| RJ01 | Rejection of invention patent application after publication |