CN215923818U - Coal bunker inlet anti-blocking device for thermal power plant - Google Patents
Coal bunker inlet anti-blocking device for thermal power plant Download PDFInfo
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- CN215923818U CN215923818U CN202121864292.5U CN202121864292U CN215923818U CN 215923818 U CN215923818 U CN 215923818U CN 202121864292 U CN202121864292 U CN 202121864292U CN 215923818 U CN215923818 U CN 215923818U
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Abstract
本实用新型公开了一种火力发电厂煤仓入口防堵装置，包括下料通道以及对下料通道提高支撑限位的支撑板，所述下料通道的内部设置有支撑架，且支撑架的中部安装有驱动电机，并且驱动电机的下方连接有传动轴，所述传动轴的表面固定有对原料进行破碎的粉碎刀，且传动轴的下方贯穿有筛分板，对原料进行分选，所述筛分板的中部通过安装块和传动轴相嵌套。该火力发电厂煤仓入口防堵装置设置有筛分板、定位块和顶杆，通过顶杆在连接槽内的移动可推动筛分板进行移动，定位块对筛分板进行水平方向的限位，使筛分板能进行上下方向的往复移动，对粉碎后的原料进行筛分，粒径较大的原料可继续被粉碎，便于原料后续充分的燃烧。
The utility model discloses a coal bunker inlet anti-blocking device in a thermal power plant, which comprises a feeding channel and a support plate for improving the support and limit of the feeding channel. A support frame is arranged inside the feeding channel, and the support frame is A drive motor is installed in the middle, and a drive shaft is connected below the drive motor. The surface of the drive shaft is fixed with a pulverizing knife for crushing the raw materials, and a screening plate runs through the bottom of the drive shaft to sort the raw materials. The middle part of the sieve plate is nested with the transmission shaft through the installation block. The coal bunker entrance anti-blocking device of the thermal power plant is provided with a screening plate, a positioning block and an ejector rod. The screening plate can be pushed to move through the movement of the ejector rod in the connecting groove, and the positioning block restricts the screening plate in the horizontal direction. position, so that the sieving plate can reciprocate in the up and down direction, and sieve the crushed raw materials.
Description
Technical Field
The utility model relates to the technical field of coal bunkers of thermal power plants, in particular to an anti-blocking device for coal bunkers of thermal power plants.
Background
Thermal power is a common power generation mode, converts the heat energy that the burning produced, makes it form the electric energy and supplies people to use, and the coal is common dyestuff among the thermal power, and the accessible prevents stifled device and dredges it when adding the supplementary of carrying on the thing raw materials in to the coal bunker, avoids taking place to block up, but the current prevents stifled device still has some weak points:
the utility model discloses a clear stifled equipment of coal bunker entry of thermal power factory that is disclosed for CN213315231U, through smashing the case, the belt, rubbing crusher constructs, the discharging pipe, the diaphragm, the guard plate, first motor, the drive pulley, rotary mechanism, the setting of driven pulley and turnover pole, the clear stifled equipment of coal bunker entry of thermal power factory has been found jointly, wherein through first motor, the drive pulley, the setting of driven pulley and turnover pole, can be inside the discharging pipe, continuous rolling, can avoid buggy jam at the discharge gate, but it can not sieve the raw materials when using, the raw materials volume after smashing is difficult to the guarantee, and the raw materials after smashing can not in time obtain the screening will influence subsequent crushing efficiency, the practicality of device has been reduced.
Aiming at the problems, innovative design is urgently needed on the basis of the original anti-blocking device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-blocking device for a coal bunker inlet of a thermal power plant, and aims to solve the problems that the existing anti-blocking device in the market in the prior art cannot screen raw materials when in use, the volume of the crushed raw materials is difficult to guarantee, and the subsequent crushing efficiency is influenced because the crushed raw materials cannot be screened in time.
In order to achieve the purpose, the utility model provides the following technical scheme: a coal bunker inlet anti-blocking device of a thermal power plant comprises a blanking channel and a supporting plate for improving the supporting and limiting of the blanking channel, a support frame is arranged in the blanking channel, a driving motor is arranged in the middle of the support frame, a transmission shaft is connected below the driving motor, a crushing knife for crushing the raw materials is fixed on the surface of the transmission shaft, a screening plate penetrates below the transmission shaft, the raw materials are sorted, the middle part of the screening plate is nested with the transmission shaft through the mounting block, the outer end of the screening plate is fixed with the positioning block, the screening plate forms an up-and-down sliding structure through the positioning block and the blanking channel, and the upper part of the positioning block is connected with a return spring, the lower part of the mounting block is provided with an annular connecting groove, and the bottom of the connecting groove is arranged in an inclined manner, and an ejector rod is arranged in the connecting groove and fixed on the surface of the transmission shaft.
Further optimize this technical scheme, the locating piece is in the equal angle setting in the outside of screening board, and is fixed connection between locating piece and the reset spring and between reset spring and the unloading passageway, carries out horizontal direction's spacing to the screening board through the locating piece, cooperates reset spring to provide thrust down for the screening board.
Further optimize this technical scheme, the top of installation piece is slope column structural design, makes things convenient for the material gliding, and the vertical central line of installation piece and the vertical central line of screening board coincide mutually and set up.
Further optimize this technical scheme, the vertical central line of spread groove and the vertical central line of transmission shaft coincide mutually and set up, and constitute sliding connection between spread groove and the ejector pin, the ejector pin is "L" shape structural design for the ejector pin can cooperate the spread groove promotion screening board that the bottom inclines to remove when removing in the spread groove to remove, makes the screening board shake.
Further optimize this technical scheme, the below of transmission shaft is connected through reduction gear and loose axle, and the reduction gear is connected through connecting plate and unloading passageway, the fixed surface of loose axle has the driving plate, and the end connection of driving plate has the cleaning plate of laminating mutually with unloading passageway inner wall, clears up the inner wall of unloading passageway, avoids the raw materials adhesion to influence the interpolation of follow-up raw materials in the inside of unloading passageway.
Compared with the prior art, the utility model has the beneficial effects that: the coal bunker inlet anti-blocking device of the thermal power plant;
(1) the screening plate, the positioning block and the ejector rod are arranged, the screening plate can be pushed to move through the movement of the ejector rod in the connecting groove, the positioning block limits the screening plate in the horizontal direction, the screening plate can reciprocate up and down, the crushed raw materials are screened, the raw materials with larger particle sizes can be continuously crushed, and the subsequent sufficient combustion of the raw materials is facilitated;
(2) be provided with the cleaning plate, the removal of unloading in-process accessible cleaning plate is cleared up the inner wall of unloading passageway, avoids the raw materials to bond and influences subsequent normal unloading speed in the unloading passageway, increases the functional of device.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention;
FIG. 2 is a schematic top view of a positioning block of the present invention;
FIG. 3 is an enlarged view of a portion a of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at b in FIG. 1 according to the present invention;
FIG. 5 is a schematic bottom view of the connecting slot of the present invention.
In the figure: 1. a blanking channel; 2. a support plate; 3. a support frame; 4. a drive motor; 5. a drive shaft; 6. a crushing knife; 7. a screening plate; 8. positioning blocks; 9. a return spring; 10. mounting blocks; 11. connecting grooves; 12. a top rod; 13. a speed reducer; 14. a connecting plate; 15. a movable shaft; 16. a drive plate; 17. the plate is cleaned.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a coal bunker inlet anti-blocking device of a thermal power plant comprises a blanking channel 1 and a supporting plate 2 for improving supporting and limiting the blanking channel 1, wherein a supporting frame 3 is arranged in the blanking channel 1, a driving motor 4 is arranged in the middle of the supporting frame 3, a transmission shaft 5 is connected below the driving motor 4, a crushing cutter 6 for crushing raw materials is fixed on the surface of the transmission shaft 5, a screening plate 7 penetrates through the lower part of the transmission shaft 5 for sorting the raw materials, the middle part of the screening plate 7 is nested with the transmission shaft 5 through an installation block 10, a positioning block 8 is fixed at the outer end of the screening plate 7, the screening plate 7 forms an up-and-down sliding structure through the positioning block 8 and the blanking channel 1, a reset spring 9 is connected above the positioning block 8, an annular connecting groove 11 is arranged below the installation block 10, and the bottom of the connecting groove 11 is arranged in an inclined manner, a mandril 12 is arranged inside the connecting groove 11, and the mandril 12 is fixed on the surface of the transmission shaft 5;
the positioning block 8 is arranged at the outer side of the screening plate 7 at equal angles, the positioning block 8 and the return spring 9 are fixedly connected with each other, the return spring 9 and the blanking channel 1 are fixedly connected with each other, the upper part of the mounting block 10 is designed to be in an inclined structure, so that materials can conveniently slide downwards, the vertical central line of the mounting block 10 is superposed with the vertical central line of the screening plate 7, the vertical central line of the connecting groove 11 is superposed with the vertical central line of the transmission shaft 5, the connecting groove 11 is in sliding connection with the ejector rod 12, and the ejector rod 12 is designed to be in an L-shaped structure;
after raw materials are put into the blanking channel 1, the driving motor 4 can be started, the driving motor 4 drives the crushing cutter 6 to rotate through the transmission shaft 5, large-volume raw materials are crushed, the crushed raw materials can fall through the screening plate 7, and the transmission shaft 5 drives the ejector rod 12 to synchronously move in the connecting groove 11 when rotating, because the bottom of the connecting groove 11 is arranged in an inclined manner, and the ejector rod 12 is fixed on the transmission shaft 5, the mounting block 10 is pushed to move upwards or the mounting block 10 moves downwards when the ejector rod 12 moves, so that the connecting groove 11 is continuously attached to the upper end of the ejector rod 12, and meanwhile, the reset spring 9 can provide a downward thrust for the screening plate 7 by matching with the positioning block 8, so that the subsequent screening plate 7 can continuously move upwards and downwards, and the raw materials are prevented from being blocked on the screening plate 7;
the lower part of the transmission shaft 5 is connected with a movable shaft 15 through a speed reducer 13, the speed reducer 13 is connected with the blanking channel 1 through a connecting plate 14, a transmission plate 16 is fixed on the surface of the movable shaft 15, and the end part of the transmission plate 16 is connected with a cleaning plate 17 attached to the inner wall of the blanking channel 1 to clean the inner wall of the blanking channel 1;
accessible reduction gear 13 drive loose axle 15 rotates when transmission shaft 5 is rotatory, and loose axle 15 drives cleaning plate 17 through driving plate 16 when rotatory and removes at unloading passageway 1's inner wall, clears up unloading passageway 1's inner wall, avoids follow-up raw materials adhesion to lead to unloading passageway 1 inner space to reduce at unloading passageway 1's inner wall, influences follow-up unloading speed.
The working principle is as follows: when the coal bunker inlet anti-blocking device of the thermal power plant is used, as shown in fig. 1-5, the driving motor 4 can be opened when raw materials are conveyed, the raw materials are driven to rotate the crushing cutter 6, large-volume raw materials are crushed, the crushed raw materials can fall through the screening plate 7 to be subsequently conveyed, the ejector rod 12 can drive the installation block 10 to move in cooperation with the connecting groove 11 when the driving motor 4 works, the screening plate 7 can reciprocate in the vertical direction when the transmission shaft 5 rotates in cooperation with the positioning block 8 and the reset spring 9, the subsequent screening efficiency of the raw materials is improved, and the crushed raw materials are prevented from being blocked on the screening plate 7.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. A coal bunker inlet anti-blocking device of a thermal power plant comprises a blanking channel (1) and a supporting plate (2) for improving the supporting and limiting of the blanking channel (1);
the method is characterized in that: the feeding device is characterized in that a support frame (3) is arranged inside the feeding channel (1), a driving motor (4) is installed in the middle of the support frame (3), a transmission shaft (5) is connected below the driving motor (4), a crushing cutter (6) for crushing raw materials is fixed on the surface of the transmission shaft (5), a screening plate (7) penetrates through the lower portion of the transmission shaft (5) to sort the raw materials, the middle of the screening plate (7) is nested with the transmission shaft (5) through an installation block (10), a positioning block (8) is fixed at the outer end of the screening plate (7), the screening plate (7) forms an up-and-down sliding structure through the positioning block (8) and the feeding channel (1), a reset spring (9) is connected above the positioning block (8), an annular connecting groove (11) is formed below the installation block (10), and the bottom of the connecting groove (11) is obliquely arranged, and a push rod (12) is arranged in the connecting groove (11), and the push rod (12) is fixed on the surface of the transmission shaft (5).
2. The coal bunker inlet anti-blocking device of the thermal power plant as claimed in claim 1, wherein: the positioning blocks (8) are arranged on the outer side of the screening plate (7) at equal angles, and the positioning blocks (8) and the return springs (9) and the blanking channel (1) are fixedly connected.
3. The coal bunker inlet anti-blocking device of the thermal power plant as claimed in claim 1 or 2, wherein: the upper side of the mounting block (10) is designed to be an inclined structure, so that materials can slide down conveniently, and the vertical central line of the mounting block (10) and the vertical central line of the screening plate (7) are overlapped.
4. The coal bunker inlet anti-blocking device of the thermal power plant as claimed in claim 3, wherein: the vertical center line of connecting groove (11) and the vertical center line of transmission shaft (5) coincide mutually and set up, and constitute sliding connection between connecting groove (11) and ejector pin (12), ejector pin (12) are "L" shape structural design.
5. The coal bunker inlet anti-blocking device of the thermal power plant as claimed in claim 1, wherein: the below of transmission shaft (5) is connected through reduction gear (13) and loose axle (15), and reduction gear (13) are connected through connecting plate (14) and unloading passageway (1), the fixed surface of loose axle (15) has driving plate (16), and the end connection of driving plate (16) has cleaning plate (17) of laminating mutually with unloading passageway (1) inner wall, clears up the inner wall of unloading passageway (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864292.5U CN215923818U (en) | 2021-08-10 | 2021-08-10 | Coal bunker inlet anti-blocking device for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864292.5U CN215923818U (en) | 2021-08-10 | 2021-08-10 | Coal bunker inlet anti-blocking device for thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215923818U true CN215923818U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121864292.5U Expired - Fee Related CN215923818U (en) | 2021-08-10 | 2021-08-10 | Coal bunker inlet anti-blocking device for thermal power plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN215923818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117003025A (en) * | 2023-08-25 | 2023-11-07 | 华能鹤岗发电有限公司 | A powder-making anti-blocking device for thermal power plants |
-
2021
- 2021-08-10 CN CN202121864292.5U patent/CN215923818U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117003025A (en) * | 2023-08-25 | 2023-11-07 | 华能鹤岗发电有限公司 | A powder-making anti-blocking device for thermal power plants |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |