CN114212557A - Constant volume protection device for quantitative hopper - Google Patents
Constant volume protection device for quantitative hopper Download PDFInfo
- Publication number
- CN114212557A CN114212557A CN202111471287.2A CN202111471287A CN114212557A CN 114212557 A CN114212557 A CN 114212557A CN 202111471287 A CN202111471287 A CN 202111471287A CN 114212557 A CN114212557 A CN 114212557A
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- CN
- China
- Prior art keywords
- skip
- hopper
- constant volume
- protection device
- screen plate
- Prior art date
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- 239000003245 coal Substances 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 241001233242 Lontra Species 0.000 description 13
- 239000010878 waste rock Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
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
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention relates to a constant volume protection device for a quantitative hopper, which belongs to the technical field of mines and comprises a coal bunker, a coal feeder, the quantitative hopper and a skip positioned in a shaft, wherein a discharge hopper is arranged at the lower end of the skip, the coal feeder is positioned right below an outlet of the coal bunker, a conveyor is arranged below the coal feeder, a screen plate is arranged below the right end of the conveyor, the left end of the screen plate is hinged and connected with the inner wall of a chamber, a second hinge seat is arranged on the lower end face of the screen plate, a material guide oil cylinder is hinged between the second hinge seat and the inner wall of the chamber, and a guide plate fixedly arranged on the inner wall of the chamber through a mounting rod is arranged below the screen plate. By using the invention, the possibility of overweight of the skip can be greatly reduced, and the condition that the skip cannot be lifted normally or is jumped is reduced.
Description
Technical Field
The invention relates to a constant volume protection device of a quantitative hopper, belonging to the technical field of mines.
Background
The mine main shaft lifting loading system adopts a belt given type quantitative hopper loading mode, and the given amount of raw coal in the quantitative hopper depends on the weighing amount of a weighing sensor below the quantitative hopper and the given amount after the belt is stopped in a delayed mode. The coal stream is often doped with large pieces of gangue, and when the weight in the skip reaches the standard weight immediately, if the next large piece of gangue enters the skip, the weight in the skip exceeds the standard weight.
The material is overweight in the skip, can appear the electric current too big phenomenon such as can normally not promote or jump when the skip promotes, seriously influences the promotion, and every appearance is excessive phenomenon and all will lean on the manual work to clear up, the coal caving, and constructor need stand on the crossbeam of main shaft pit shaft during the processing, pulls open skip uninstallation sector gate with chain block, and degree of danger is great. When the car jumps, the steel wire rope can be stretched, vibrated and swung, so that the service lives of the steel wire rope and the tail rope are seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a constant volume protection device for a quantitative bucket, which can greatly reduce the possibility of overweight of the skip.
The invention is realized by the following technical scheme:
the utility model provides a constant volume protection device of constant volume bucket, including the coal bunker, the feeder, the constant volume bucket and be located the skip of pit shaft, the skip lower extreme is equipped with the discharge hopper, the feeder is located under the coal bunker export, the below of feeder is equipped with a conveyer, conveyer right-hand member below is equipped with the otter board, articulated linking to each other between otter board left end and the chamber inner wall, the otter board lower extreme face is equipped with the articulated seat of second, it is equipped with the guide hydro-cylinder to articulate between the articulated seat of second and the inner wall of chamber, the otter board below is equipped with a deflector through installation pole fixed mounting on the chamber inner wall.
The coal bunker is used for storing coal, and coal falls on the conveyer through the feeder, and the conveyer carries coal on the otter board, except large-scale waste rock, other coal granule can both pass in the otter board falls into the constant volume fill, and the constant volume fill ration is with coal leading-in to the skip in, and bold waste rock is all gathered on the otter board. When the quantitative hopper is fed at first, the material guiding oil cylinder is opened to guide the large gangue on the screen plate into the quantitative hopper, and when the weight of coal in the quantitative hopper is about to reach a standard value, the screen plate is supported by the material guiding oil cylinder to gather the large gangue on the screen plate. By using the invention, the possibility of overweight of the skip can be greatly reduced, and the condition that the skip cannot be lifted normally or is jumped is reduced.
The invention is further improved in that the cross section of the screen plate is arc-shaped, and the arc-shaped design can prevent large pieces of waste rock from entering the quantitative hopper through the front end and the rear end of the screen plate.
The invention is further improved in that the cross section of the guide plate is arc-shaped, and the arc-shaped design can prevent coal particles from falling through the front end and the rear end of the guide plate.
The invention is further improved in that the lower end of the skip is inverted V-shaped, two first hinge seats are arranged in the middle of the lower end of the skip, a rotating shaft is arranged between the two first hinge seats, two discharging hoppers are arranged at two ends of the rotating shaft, and the left side surface and the right side surface of each discharging hopper are open.
The invention is further improved in that a hinged plate is arranged on the front end face of the skip bucket, two discharging oil cylinders are hinged on the hinged plate, and piston rods of the discharging oil cylinders are connected with the discharging bucket. Two discharge hoppers are directly opened through the oil cylinder simultaneously, so that the discharge is more thorough and direct, and the residual quantity of coal in the skip bucket can be reduced.
The invention is further improved in that the front inner side surface and the rear inner side surface of the discharge hopper are contacted with the front end surface and the rear end surface of the skip bucket in the opening process of the discharge hopper. Under this kind of design, can scrape off the coal residue that adheres on the front and back medial surface of discharge hopper.
In a further development of the invention, the outer end of the discharge hopper is in contact with the lowermost end of the skip in the fully open state of the discharge hopper. Under this kind of design, can scrape off the coal residue of adhesion on the medial surface of discharge hopper lower extreme.
The invention further improves that the lifting action of the skip in the shaft is realized by a winch disc and a lifting rope.
Compared with the prior art, the invention has the beneficial effects that:
the coal bunker is used for storing coal, and coal falls on the conveyer through the feeder, and the conveyer carries coal on the otter board, except large-scale waste rock, other coal granule can both pass in the otter board falls into the constant volume fill, and the constant volume fill ration is with coal leading-in to the skip in, and bold waste rock is all gathered on the otter board. When the quantitative hopper is fed at first, the material guiding oil cylinder is opened to guide the large gangue on the screen plate into the quantitative hopper, and when the weight of coal in the quantitative hopper is about to reach a standard value, the screen plate is supported by the material guiding oil cylinder to gather the large gangue on the screen plate. By using the invention, the possibility of overweight of the skip can be greatly reduced, and the condition that the skip cannot be lifted normally or is jumped is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partial structural view of a skip according to an embodiment of the present invention.
Fig. 3 is a partial structural view of a skip (a discharge hopper is omitted) according to an embodiment of the present invention.
FIG. 4 is a schematic cross-sectional view of a mesh plate according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view illustrating a material guide plate according to an embodiment of the present invention.
In the figure: 1. a coal bunker; 2. a coal feeder; 3. a conveyor; 4. a screen plate; 5. a material guiding oil cylinder; 6. a guide plate; 7. mounting a rod; 8. a measuring hopper; 9. a wellbore; 10. a skip bucket; 11. a lift cord; 12. a hinge plate; 13. a discharging oil cylinder; 14. a discharge hopper; 15. a first hinge mount; 16. a rotating shaft; 17. a second hinged seat.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The constant volume protection device of the constant volume hopper comprises a coal bunker 1, a coal feeder 2, a constant volume hopper 8 and a skip bucket 10 located in a shaft 9, wherein a discharge hopper 14 is arranged at the lower end of the skip bucket 10, the coal feeder 2 is located under the outlet of the coal bunker 1, a conveyor 3 is arranged below the coal feeder 2, a screen plate 4 is arranged below the right end of the conveyor 3, the left end of the screen plate 4 is hinged with the inner wall of the chamber, a second hinged seat 17 is arranged on the lower end face of the screen plate 4, a guide oil cylinder 5 is hinged between the second hinged seat 17 and the inner wall of the chamber, and a guide plate 6 fixedly installed on the inner wall of the chamber through an installation rod 7 is arranged below the screen plate 4.
The cross sections of the screen plate 4 and the guide plate 6 are both arc-shaped.
A weight sensor is arranged in each of the skip 10 and the quantitative bucket 8, and the weight sensor, the material guiding oil cylinder 5 and the material discharging oil cylinder 12 are all connected with a controller arranged in the chamber.
Wherein, skip 10 lower extreme is the font of falling V, and the intermediate position department of skip 10 lower extreme is equipped with two first articulated seats 15, installs pivot 16 between two first articulated seats 15, and two discharge hoppers 14 are installed at the both ends of pivot 16, and open type is personally submitted to the both sides of discharge hopper 14 about, and the preceding terminal surface of skip 10 is equipped with articulated slab 12, and articulated being equipped with two discharge cylinder 12 on articulated slab 12, the piston rod of discharge cylinder 12 links to each other with discharge hopper 14.
In the process of opening the discharge hopper 14, the front inner side surface and the rear inner side surface of the discharge hopper 14 are in contact with the front end surface and the rear end surface of the skip 10, and the outer end of the discharge hopper 14 is in contact with the lowest end of the skip 10.
The hoisting of the skip 10 in the shaft 9 is performed by a winch and a hoisting rope 11.
The working principle is as follows:
the coal bunker is used for storing coal, and coal falls on the conveyer through the feeder, and the conveyer carries coal on the otter board, except large-scale waste rock, other coal granule can both pass in the otter board falls into the constant volume fill, and the constant volume fill ration is with coal leading-in to the skip in, and bold waste rock is all gathered on the otter board. When the quantitative hopper is fed at first, the material guiding oil cylinder is opened to guide the large gangue on the screen plate into the quantitative hopper, and when the weight of coal in the quantitative hopper is about to reach a standard value, the screen plate is supported by the material guiding oil cylinder to gather the large gangue on the screen plate. By using the invention, the possibility of overweight of the skip can be greatly reduced, and the condition that the skip cannot be lifted normally or is jumped is reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative positions if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a constant volume protection device of quantitative bucket, includes coal bunker (1), coal feeder (2), constant volume hopper (8) and is located skip (10) in pit shaft (9), skip (10) lower extreme is equipped with discharge hopper (14), and coal feeder (2) are located under coal bunker (1) export, its characterized in that: the lower part of the coal feeder (2) is provided with a conveyor (3), the lower part of the right end of the conveyor (3) is provided with a screen plate (4), the left end of the screen plate (4) is hinged with the inner wall of the chamber, the lower end face of the screen plate (4) is provided with a second hinged seat (17), a material guide oil cylinder (5) is hinged between the second hinged seat (17) and the inner wall of the chamber, and the lower part of the screen plate (4) is provided with a guide plate (6) which is fixedly installed on the inner wall of the chamber through an installation rod (7).
2. A dosing hopper constant volume protection device according to claim 1, characterised in that: the cross section of the screen plate (4) is arc-shaped.
3. A dosing hopper constant volume protection device according to claim 1, characterised in that: the cross section of the guide plate (6) is arc-shaped.
4. A dosing hopper constant volume protection device according to claim 1, characterised in that: skip (10) lower extreme is the font of falling V, and the intermediate position department of skip (10) lower extreme is equipped with two first articulated seats (15), installs pivot (16) between two first articulated seats (15), two discharge hopper (14) are installed at the both ends of pivot (16), and open is personally submitted to the both sides about discharge hopper (14).
5. The quantitative hopper constant volume protection device as claimed in claim 4, wherein: the front end face of the skip bucket (10) is provided with a hinged plate (12), the hinged plate (12) is hinged with two discharging oil cylinders (12), and piston rods of the discharging oil cylinders (12) are connected with a discharging bucket (14).
6. A dosing hopper constant volume protection device according to claim 4 or 5, characterized in that: when the discharge hopper (14) is opened, the front inner side surface and the rear inner side surface of the discharge hopper (14) are in contact with the front end surface and the rear end surface of the skip (10).
7. The quantitative hopper constant volume protection device as claimed in claim 6, wherein: under the state that the discharge hopper (14) is completely opened, the outer end of the discharge hopper (14) is contacted with the lowest end of the skip (10).
8. A dosing hopper constant volume protection device according to claim 1, characterised in that: the lifting action of the skip (10) in the shaft (9) is realized by a winch disc and a lifting rope (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111471287.2A CN114212557A (en) | 2021-12-03 | 2021-12-03 | Constant volume protection device for quantitative hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111471287.2A CN114212557A (en) | 2021-12-03 | 2021-12-03 | Constant volume protection device for quantitative hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114212557A true CN114212557A (en) | 2022-03-22 |
Family
ID=80699622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111471287.2A Pending CN114212557A (en) | 2021-12-03 | 2021-12-03 | Constant volume protection device for quantitative hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114212557A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB878567A (en) * | 1958-05-28 | 1961-10-04 | Qualter Hall & Co Sales Ltd | Improvements in skip loading arrangements |
| CN201276385Y (en) * | 2008-09-28 | 2009-07-22 | 平煤建工集团有限公司 | Automatic unloading bucket |
| CN101585365A (en) * | 2009-04-15 | 2009-11-25 | 冯世英 | Skip bucket type self-unloading compartment |
| CN102320513A (en) * | 2011-09-26 | 2012-01-18 | 义马煤业集团股份有限公司 | Quantitative weighing and automatic loading system for mine skip |
| CN104481584A (en) * | 2014-12-01 | 2015-04-01 | 济宁矿业集团有限公司霄云煤矿 | Full-automatic system of main shaft coal flow system |
| CN106393467A (en) * | 2016-09-28 | 2017-02-15 | 青岛软控机电工程有限公司 | Material balance and internal mixer system with material balance |
| CN113697427A (en) * | 2021-08-11 | 2021-11-26 | 广西鱼峰水泥股份有限公司 | Bulk material removing device for discharging of conveyor |
-
2021
- 2021-12-03 CN CN202111471287.2A patent/CN114212557A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB878567A (en) * | 1958-05-28 | 1961-10-04 | Qualter Hall & Co Sales Ltd | Improvements in skip loading arrangements |
| CN201276385Y (en) * | 2008-09-28 | 2009-07-22 | 平煤建工集团有限公司 | Automatic unloading bucket |
| CN101585365A (en) * | 2009-04-15 | 2009-11-25 | 冯世英 | Skip bucket type self-unloading compartment |
| CN102320513A (en) * | 2011-09-26 | 2012-01-18 | 义马煤业集团股份有限公司 | Quantitative weighing and automatic loading system for mine skip |
| CN104481584A (en) * | 2014-12-01 | 2015-04-01 | 济宁矿业集团有限公司霄云煤矿 | Full-automatic system of main shaft coal flow system |
| CN106393467A (en) * | 2016-09-28 | 2017-02-15 | 青岛软控机电工程有限公司 | Material balance and internal mixer system with material balance |
| CN113697427A (en) * | 2021-08-11 | 2021-11-26 | 广西鱼峰水泥股份有限公司 | Bulk material removing device for discharging of conveyor |
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