GB729175A - Improvements in means for feeding individual bunkers with foundry sand or the like material - Google Patents
Improvements in means for feeding individual bunkers with foundry sand or the like materialInfo
- Publication number
- GB729175A GB729175A GB315/53A GB31553A GB729175A GB 729175 A GB729175 A GB 729175A GB 315/53 A GB315/53 A GB 315/53A GB 31553 A GB31553 A GB 31553A GB 729175 A GB729175 A GB 729175A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bunker
- belt
- sand
- scrapers
- cable
- 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.)
- Expired
Links
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
-
- 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
- B65G2814/00—Indexing codes relating to loading or unloading articles or bulk materials
- B65G2814/03—Loading or unloading means
- B65G2814/0344—Control or feeding or discharging using level or weight measuring means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
729,175. Discharging endless-belt conveyers; feeding hoppers. RONCERAY, R. A. M. Jan. 5, 1953 [Nov. 28, 1952], No. 315/53. Class 78 (1). A bunker apparatus for foundry sand or similar material of the kind having a conveyer belt 5 supported on a frame 1 above a bunker 2 provided with a discharge gate 3, and two scrapers 7 for discharging material from the belt into the bunker at an automatically variable rate which is high when the bunker is empty but decreases as the bunker fills up, is characterised in that the bunker is suspended from the frame by resilient means 4 so that the bunker may rise and fall vertically as it is unloaded and loaded respectively and that the scrapers are mounted on vertical pivots 8 at opposite sides of the belt, the scrapers being connected to the bunker so that they are pivoted across the belt as the bunker rises and falls, thereby automatically varying the rate of discharge into the bunker according to the vertical position of the bunker. The resilient means 4 comprises two hollow cylinders, one attached to the bunker and the other to the frame 1 : alternatively, it may comprise a spiral spring. Each scraper is connected to the bunker by a cable 12 passing over a pulley 13, and to a counterweight 15 by a cable 16 passing over a pulley 17, the cable 12 extending from a tension device 14 to a scraper on the same side of the belt. and the cable 16 passing from the counterweight 15 through an opening 18 in the adjacent scraper to the scraper on the opposite side of the belt. As the bunker fills it sinks and through the cables 12 opens the sprapers so that a decreasing amount of sand is discharged from the belt, and when the bunker is full no sand is removed from the belt. As the sand is removed from the bunker through the gate 3, the bunker rises whereby the scrapers close gradually under the action of the counterweight and an increasing amount of sand is discharged from the conveyer belt.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR729175X | 1952-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB729175A true GB729175A (en) | 1955-05-04 |
Family
ID=9112285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB315/53A Expired GB729175A (en) | 1952-11-28 | 1953-01-05 | Improvements in means for feeding individual bunkers with foundry sand or the like material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB729175A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059031A (en) * | 2018-08-08 | 2018-12-21 | 华电电力科学研究院有限公司 | A kind of biomass feeding system and its working method |
-
1953
- 1953-01-05 GB GB315/53A patent/GB729175A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059031A (en) * | 2018-08-08 | 2018-12-21 | 华电电力科学研究院有限公司 | A kind of biomass feeding system and its working method |
| CN109059031B (en) * | 2018-08-08 | 2024-04-19 | 华电电力科学研究院有限公司 | Biomass feeding system and working method thereof |
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