CN111804585A - Anti-belt-pressing device for hydraulic plugboard of transfer point - Google Patents
Anti-belt-pressing device for hydraulic plugboard of transfer point Download PDFInfo
- Publication number
- CN111804585A CN111804585A CN202010713569.8A CN202010713569A CN111804585A CN 111804585 A CN111804585 A CN 111804585A CN 202010713569 A CN202010713569 A CN 202010713569A CN 111804585 A CN111804585 A CN 111804585A
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- Prior art keywords
- chute
- transverse
- belt
- transfer
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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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
- B65G11/00—Chutes
- B65G11/02—Chutes of straight form
- B65G11/026—Chutes of straight form for bulk
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- Chutes (AREA)
Abstract
The invention discloses a transfer point hydraulic plug board anti-belt-pressing device which comprises a sieve, a transfer chute, a belt, a motor and a contactor, wherein the sieve is connected with the motor, the transfer chute is arranged below the sieve, and the belt is arranged below an outlet at the bottom of the transfer chute; a transverse through hole is formed in one side wall of the transshipment chute, sliding grooves are formed in the inner walls of the two adjacent front and rear inner side walls of the side wall, and the sliding grooves are connected with the inner sides of the transverse through holes and are positioned on the same plane with the transverse through holes; a switch inserting plate is movably arranged in the transverse through hole, the outer side edge of the switch inserting plate is fixedly connected with a hydraulic cylinder, and the front inner side edge and the rear inner side edge of the switch inserting plate are movably clamped in the sliding groove; two corresponding buffer plates are arranged in the transfer chute, one side of each buffer plate is hinged with the inner wall of the transfer chute, and the other side of each buffer plate is abutted with the other side of each transfer chute; the rear part of the buffer plate is provided with a spring, and two ends of the spring are respectively connected with the buffer plate and the inner wall of the transfer chute; the device simple structure can effectively prevent the emergence of scram in-process area pressing accident.
Description
Technical Field
The invention belongs to the technical field of coal preparation equipment, and particularly relates to an anti-belt-pressing device for a hydraulic flashboard of a transfer point.
Background
In the production process of sequentially starting and stopping the coal belt, emergency stop treatment is needed when some equipment is blocked and other abnormal conditions occur. 151 belt feed is thrown the thing naturally and falls into the belt by two sieve screening backs, and when the sieve motor scram back, the sieve buffering continues the action, leads to the sifter material to continue to get into the chute, causes the material to die the belt, need can normally start the car operation after emptying chute memory coal when restarting equipment, has seriously influenced equipment down time and has increaseed staff intensity of labour.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides the anti-belt-pressing device for the hydraulic plug board of the transfer point, has a simple structure, and can effectively prevent belt pressing accidents in the emergency stop process.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the transfer point hydraulic plug board anti-belt-pressing device comprises a sieve, a transfer chute, a belt, a motor and a contactor, wherein the sieve is connected with the motor, the transfer chute is arranged below the sieve, and the belt is arranged below an outlet at the bottom of the transfer chute;
a transverse through hole is formed in one side wall of the transshipment chute, sliding grooves are formed in the inner walls of the two adjacent front and rear inner side walls of the side wall, and the sliding grooves are connected with the inner sides of the transverse through holes and are positioned on the same plane with the transverse through holes; a switch inserting plate is movably arranged in the transverse through hole, the outer side edge of the switch inserting plate is fixedly connected with a hydraulic cylinder, and the front inner side edge and the rear inner side edge of the switch inserting plate are movably clamped in the sliding groove;
two corresponding buffer plates are arranged in the transfer chute, one side of each buffer plate is hinged with the inner wall of the transfer chute, and the other side of each buffer plate is abutted with the other side of each transfer chute; the rear part of the buffer plate is provided with a spring, and two ends of the spring are respectively connected with the buffer plate and the inner wall of the transfer chute.
Furthermore, a plurality of high-pressure spray headers are arranged on the upper portions of the sieve and the inner upper portion of the transfer chute, the high-pressure spray headers are connected with spray liquid grooves through spray pipes, high-pressure pumps are arranged on the spray pipes, and inclined protection plates are arranged above the high-pressure spray headers.
Furthermore, a limiting groove is formed in the outer wall of one side wall of the transfer chute and located on the outer side of the transverse through hole and is flush with the transverse through hole.
Furthermore, the end part of the inner side edge of the switch insertion plate is an inclined plane, and the bottom of the inner side edge is provided with a ball.
Further, the material section that connects of belt is located reprint chute bottom below, connects material section both sides to be provided with the baffle, is connected with the clearance board on a side shield, clearance board one end pivot connection baffle, clearance board are the L type, and the bottom is provided with rubber scraper, and clearance board offside is provided with the clearance storehouse.
Furthermore, an access hole is further formed in one side of the transshipment chute, and the access hole is located on the same side of the transverse through hole and located above the transverse through hole.
Further, three sides of the bottom of the transfer chute are provided with rubber dust strips, the top of each rubber dust strip is connected with the bottom of the transfer chute, and the bottom of each rubber dust strip abuts against a belt.
Compared with the prior art, the invention has the following beneficial effects:
the device has the advantages of simple structure, flexible operation, low investment, obvious effect and high cost performance. The belt pressing accident in the emergency stop process can be effectively prevented, the labor intensity of post workers is reduced, the belt pressing processing time is shortened, and the economic benefit of a company is improved.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of an apparatus in embodiment 2 of the present invention.
Fig. 3 is a schematic structural view of a limiting groove in embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of a switch board in the device in embodiment 2 of the present invention.
FIG. 5 is a schematic view of a belt structure when the cleaning plate is retracted according to embodiment 3 of the present invention.
FIG. 6 is a schematic view of a belt structure of embodiment 3 of the present invention with the cleaning plate open.
Fig. 7 is a schematic diagram of a cleaning plate structure in embodiment 3 of the present invention.
The device comprises a screen 1, a transfer chute 2, a belt 3, a transverse through hole 4, a sliding chute 5, a switch inserting plate 6, a hydraulic cylinder 7, a buffer plate 8, a spring 9, a high-pressure spray header 10, a spray pipe 11, a spray liquid tank 12, a high-pressure pump 13, an inclined protective plate 14, a limiting groove 15, an inclined plane 16, a ball 17, a baffle 18, a cleaning plate 19, a rubber scraper 20, a cleaning bin 21, a maintenance opening 22 and a rubber dustproof strip 23.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
Example 1
The hydraulic plug board anti-belt-pressing device for the transfer point comprises a sieve 1, a transfer chute 2, a belt 3, a motor and a contactor, wherein the sieve is connected with the motor, the transfer chute 2 is arranged below the sieve 1, and the belt 3 is arranged below an outlet at the bottom of the transfer chute 2;
a transverse through hole 4 is formed in one side wall of the transshipment chute 2, sliding grooves 5 are formed in the inner walls of the two adjacent front and rear inner side walls of the side wall, are connected with the inner sides of the transverse through hole 4 and are located on the same plane with the transverse through hole; a switch inserting plate 6 is movably arranged in the transverse through hole 4, the outer side edge of the switch inserting plate is fixedly connected with a hydraulic cylinder 7, and the front inner side edge and the rear inner side edge of the switch inserting plate are movably clamped in the sliding groove 5;
two corresponding buffer plates 8 are arranged in the transfer chute 2, one side of each buffer plate 8 is hinged with the inner wall of the transfer chute 2, and the other sides of the two buffer plates are mutually abutted; a spring 9 is arranged at the rear part of the buffer plate 8, and two ends of the spring are respectively connected with the buffer plate 8 and the inner wall of the transfer chute 2; when not unloading, the transshipment chute can be sealed in two buffer board conflicts, and when a large amount of unloading, the weight of coal pushes down the buffer board, makes the unloading go on smoothly to can reduce the inertia that the coal fell, reduce the impact to the belt. When the switch plugboard is closed, because of a process, a small amount of coal particles fall off at this time, the weight of the small amount of coal particles is limited, the buffer board cannot be pressed down, the small amount of coal particles are isolated by the buffer board and cannot fall on a belt, and a large amount of blanking and belt pressing are prevented.
The anti-pinch device of the transshipment point hydraulic plug board is controlled by a PLC, the motor and the hydraulic cylinder are both connected with the PLC through control lines, and the PLC controls the action of the hydraulic cylinder through a contactor.
The upper portion all is provided with a plurality of high pressure shower heads 10 in sieve 1 top and the reprinting chute 2, high pressure shower head is connected with spraying cistern 12 through shower 11, be provided with high-pressure pump 13 on the shower, high pressure shower head 10 top is provided with slant protection shield 14.
A limiting groove 15 is formed in the outer wall of one side wall of the transshipment chute 2, the limiting groove 15 is located on the outer side of the transverse through hole 4 and is parallel and level to the transverse through hole, and the moving direction and the track of the switch inserting plate are guaranteed.
And a maintenance hole 22 is further formed in one side of the transshipment chute 2, is positioned on the same side of the transverse through hole 4 and is positioned above the transverse through hole 4.
Example 2
In the device of embodiment 1, the inner side end of the switch insertion plate 6 is provided with a slope 16, and the bottom of the inner side end is provided with a ball 17. The inclined plane can clear up the coal grain buggy on the spout, prevents that the switch picture peg from being blocked by the coal grain and can not seal the reprinting chute. The ball ensures the smoothness of the switch plug board, and the ball cannot be blocked by coal particles, so that the failure rate is low.
Three sides of the bottom of the transfer chute 2 are provided with rubber dust bars 23, the top of each rubber dust bar is connected with the bottom of the transfer chute, and the bottom of each rubber dust bar is abutted against a belt to prevent dust pollution during coal dropping.
Example 3
In the device of embodiment 1 or 2, the material receiving section of belt 3 is located the bottom below of the reprinting chute, and material receiving section both sides are provided with baffle 18, are connected with clearance board 19 on the baffle of one side, clearance board one end pivot is connected with baffle 18, and clearance board 19 is the L type, and the bottom is provided with rubber scraper 20, and the clearance board offside is provided with clearance storehouse 21. The cleaning plate can clean materials on the belt, when the cleaning plate needs to be cleaned, the cleaning plate is pulled out, the corner parts of the L-shaped cleaning plate are clamped on the opposite side of the belt, the belt moves, and the materials on the belt enter the cleaning bin along the cleaning plate. When the cleaning is not needed, the cleaning plate is retracted to one side of the belt.
The coal flow discharging of the device adopts the natural parabolic discharging of the sieve, a hydraulic switch inserting plate is additionally arranged in a transshipment chute, a hydraulic cylinder circuit is connected with the sieve in parallel, and the inserting plate is opened during the operation, so that the coal flow is conveyed to the next transportation link.
The hydraulic cylinder drives the switch insertion plate to control mainly, a hydraulic cylinder control circuit is connected to an opening point of a contactor, when a sieve is started, the opening point is closed, the switch insertion plate acts to be opened, when the sieve stops running, the switch insertion plate is closed, a chute is cut off, and the problem of material belt pressing in production is thoroughly solved.
The practical application effect is as follows:
after field operation and debugging, the expected effect is achieved. The hydraulic switch plug board control mode mainly connects a hydraulic cylinder control circuit on a starting point of a contactor, when a sieve is started, the starting point is closed, an electric plug board acts to be opened, when the sieve stops running, the electric plug board is closed to cut off a chute, the occurrence of a belt pressing accident caused by emergency shutdown in production is effectively prevented, the time for processing the accident influence is shortened, the labor intensity of workers is reduced, and the production efficiency is improved.
The obtained economic benefit and social benefit are as follows:
1. after the mechanical hydraulic flashboard device is installed, a belt pressing accident is not caused when emergency shutdown occurs, and the production running time of equipment is increased.
2. The problem of press the area and need clear up chute internal storage coal condition is solved, effectively get rid of the accident hidden danger, reduced post staff's intensity of labour, improved company's economic benefits.
3. The device can effectively prevent the belt pressing phenomenon from occurring, and the effective production time is prolonged. According to statistics, the effective production time can be increased by 90 hours according to 2 times/week accounting of the original belt pressing frequency, about 1 hour each time and 45 weeks per year accounting, the annual processing capacity is increased by 9 ten thousand tons, and the economic benefit is reduced by about 100 ten thousand yuan.
Prospect and meaning of popularization and application:
1. the mechanical hydraulic switch board inserting device is simple in structure, flexible in operation, low in investment, remarkable in effect and high in cost performance.
2. After the hydraulic switch plugboard is installed, the occurrence of belt pressing accidents in the emergency stop process is effectively prevented, the labor intensity of post workers is reduced, the belt pressing processing time is shortened, and the economic benefit of a company is improved.
While the invention has been described in further detail with reference to specific preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Claims (7)
1. The hydraulic plug board anti-pressing device for the transfer point is characterized by comprising a sieve (1), a transfer chute (2), a belt (3), a motor and a contactor, wherein the sieve is connected with the motor, the transfer chute (2) is arranged below the sieve (1), and the belt (3) is arranged below an outlet at the bottom of the transfer chute (2);
a transverse through hole (4) is formed in one side wall of the transshipment chute (2), sliding grooves (5) are formed in the inner walls of the two adjacent front and rear inner side walls of the side wall, are connected with the inner side of the transverse through hole (4), and are positioned on the same plane with the transverse through hole; a switch inserting plate (6) is movably arranged in the transverse through hole (4), the outer side edge of the switch inserting plate is fixedly connected with a hydraulic cylinder (7), and the front inner side edge and the rear inner side edge of the switch inserting plate are movably clamped in the sliding groove (5);
two corresponding buffer plates (8) are arranged in the transfer chute (2), one side of each buffer plate (8) is hinged with the inner wall of the transfer chute (2), and the other sides of the two buffer plates are mutually butted; the rear part of the buffer plate (8) is provided with a spring (9), and the two ends of the spring are respectively connected with the buffer plate (8) and the inner wall of the transfer chute (2).
2. The hydraulic board-inserting and pressure-proof device for a transshipment point according to claim 1, wherein a plurality of high-pressure spray headers (10) are arranged above the sieve (1) and at the inner upper part of the transshipment chute (2), the high-pressure spray headers are connected with a spray liquid tank (12) through spray pipes (11), the spray pipes are provided with high-pressure pumps (13), and an inclined protection board (14) is arranged above the high-pressure spray headers (10).
3. The hydraulic plug board anti-pressing device for the transfer point according to claim 1, wherein a limiting groove (15) is formed in the outer wall of one side wall of the transfer chute (2), and the limiting groove (15) is located on the outer side of the transverse through hole (4) and is flush with the transverse through hole.
4. The anti-pressing device for the hydraulic plug board of the transfer point according to claim 1, wherein the end part of the inner side of the switch plug board (6) is provided with a slope (16), and the bottom of the inner side is provided with a ball (17).
5. The transfer point hydraulic flashboard anti-pressing device according to claim 1, wherein a material receiving section of the belt (3) is positioned below the bottom of a transfer chute, baffle plates (18) are arranged on two sides of the material receiving section, a cleaning plate (19) is connected to one side of the baffle plate, one end of the cleaning plate is connected with the baffle plate (18) in a rotating mode, the cleaning plate (19) is L-shaped, a rubber scraper (20) is arranged at the bottom of the cleaning plate, and a cleaning bin (21) is arranged on the opposite side of the cleaning plate.
6. The hydraulic plug board anti-pressing device for a transfer point according to claim 1, wherein a service opening (22) is further formed in one side of the transfer chute (2), is positioned on the same side as the transverse through hole (4) and is positioned above the transverse through hole (4).
7. The anti-belt-pressing device for the transshipment point hydraulic inserting plate according to claim 1, wherein rubber dust bars (23) are arranged on three sides of the bottom of the transshipment chute (2), the top of each rubber dust bar is connected with the bottom of the transshipment chute, and the bottom of each rubber dust bar abuts against a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713569.8A CN111804585A (en) | 2020-07-22 | 2020-07-22 | Anti-belt-pressing device for hydraulic plugboard of transfer point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713569.8A CN111804585A (en) | 2020-07-22 | 2020-07-22 | Anti-belt-pressing device for hydraulic plugboard of transfer point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111804585A true CN111804585A (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010713569.8A Pending CN111804585A (en) | 2020-07-22 | 2020-07-22 | Anti-belt-pressing device for hydraulic plugboard of transfer point |
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| CN (1) | CN111804585A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478649A (en) * | 2020-12-14 | 2021-03-12 | 山东腾达紧固科技股份有限公司 | Automatic feeding system of thread rolling machine |
| CN113320878A (en) * | 2021-06-04 | 2021-08-31 | 华能榆社发电有限责任公司 | Dust removal and abrasion prevention device of dry ash bulk machine |
| CN115402691A (en) * | 2022-08-30 | 2022-11-29 | 河北邯峰发电有限责任公司 | Y-shaped coal dropping pipe and design method thereof |
-
2020
- 2020-07-22 CN CN202010713569.8A patent/CN111804585A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478649A (en) * | 2020-12-14 | 2021-03-12 | 山东腾达紧固科技股份有限公司 | Automatic feeding system of thread rolling machine |
| CN113320878A (en) * | 2021-06-04 | 2021-08-31 | 华能榆社发电有限责任公司 | Dust removal and abrasion prevention device of dry ash bulk machine |
| CN115402691A (en) * | 2022-08-30 | 2022-11-29 | 河北邯峰发电有限责任公司 | Y-shaped coal dropping pipe and design method thereof |
| CN115402691B (en) * | 2022-08-30 | 2024-03-08 | 河北邯峰发电有限责任公司 | Y-shaped coal dropping pipe and design method thereof |
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Effective date of registration: 20210525 Address after: 048000 Xiacun Town, Zezhou County, Jincheng City, Shanxi Province Applicant after: SHANXI TIANDI WANGPO COAL MINING Co.,Ltd. Applicant after: CHINA COAL SCIENCE AND TECHNOLOGY ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 048021 Dongshan village, Xiacun Town, Zezhou County, Jincheng City, Shanxi Province Applicant before: SHANXI TIANDI WANGPO COAL MINING Co.,Ltd. |