CN216037006U - Belt feeder chute blockage alarm device - Google Patents
Belt feeder chute blockage alarm device Download PDFInfo
- Publication number
- CN216037006U CN216037006U CN202122527768.2U CN202122527768U CN216037006U CN 216037006 U CN216037006 U CN 216037006U CN 202122527768 U CN202122527768 U CN 202122527768U CN 216037006 U CN216037006 U CN 216037006U
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- Prior art keywords
- coal
- limiting
- plate
- sealing plate
- inlet
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- Withdrawn - After Issue
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- 239000003245 coal Substances 0.000 claims abstract description 131
- 238000007789 sealing Methods 0.000 claims description 61
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of power plant coal conveying equipment, in particular to a belt conveyor coal blockage alarm device which comprises a fixed shaft, a rotating ring, a movable baffle, a positioning rod, a limiting sleeve, a supporting plate, a limiting seat and a limiting switch, wherein the fixed shaft is sleeved with the rotating ring which is fixedly connected with the movable baffle, the middle part of the fixed shaft is vertically connected with the positioning rod, the end part of the positioning rod is sleeved with the limiting sleeve which is provided with a limiting screw hole, a limiting bolt is arranged in the limiting screw hole, one end of the limiting sleeve is sleeved on the positioning rod and locked by the limiting bolt, the other end of the limiting sleeve is vertically connected with the supporting plate, the supporting plate is provided with a vertical sliding hole, the side surface of the supporting plate is provided with the limiting seat which is provided with a connecting hole, the connecting bolt is arranged in the connecting hole and passes through the connecting hole and the vertical sliding hole to be connected with a connecting nut, and the limiting switch is connected with the limiting seat, has the advantages of simple structure, convenient use, labor saving, coal unloading speed improvement, normal operation of equipment guarantee and the like.
Description
Technical Field
The utility model relates to the technical field of coal conveying equipment of power plants, in particular to a coal blockage alarm device of a belt conveyor, which has the advantages of simple structure, convenience in use, labor saving, coal unloading speed improvement and normal operation guarantee of equipment.
Background
As is known, in the operation process of a coal conveying belt conveyor, if coal is wet and sticky or accumulated coal is not cleaned timely, the coal blockage phenomenon of a coal dropping cylinder at the head of the belt conveyor can be caused, a large amount of coal is leaked, equipment is damaged, the coal unloading speed is delayed, a large amount of manpower is wasted, and the normal operation of the equipment is influenced.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides the belt conveyor coal blockage alarm device which is simple in structure, convenient to use, labor-saving, capable of improving the coal unloading speed and capable of ensuring normal operation of equipment.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a coal blockage alarm device of a belt conveyor is characterized by comprising a fixed shaft, a rotating ring, a movable baffle, a positioning rod, a limiting sleeve, a supporting plate, a limiting seat and a limiting switch, wherein the fixed shaft is fixed on two sides of the upper end of a coal dropping port formed in the wall of a coal dropping barrel, the rotating ring is sleeved on the fixed shaft and fixedly connected with the movable baffle, the middle part of the fixed shaft is vertically connected with the positioning rod, the end part of the positioning rod is sleeved with the limiting sleeve, the limiting sleeve is provided with a limiting screw hole, a limiting bolt is arranged in the limiting screw hole, one end of the limiting sleeve is sleeved on the positioning rod and locked by the limiting bolt, the other end of the limiting sleeve is vertically connected with the supporting plate, the supporting plate is provided with a vertical sliding hole, the side surface of the supporting plate is provided with the limiting seat, the limiting seat is provided with a connecting hole corresponding to the position of the limiting sliding hole, the connecting bolt is arranged in the connecting hole, and passes through the connecting hole and the vertical sliding hole to be connected with a connecting nut, the limit seat is connected with a limit switch, and the movable baffle is pushed to be opened by coal falling so as to trigger the limit switch to realize an alarm function.
At least two vertical sliding holes are arranged, so that the fixing of the limiting seat is facilitated.
According to the utility model, the cylinder wall below the coal drop port is provided with the coal inlet, the outer side of the coal inlet is provided with the coal receiving plate, the lower end of the coal receiving plate is connected with the lower end of the coal inlet, the upper end of the coal receiving plate inclines towards the outer side of the coal inlet, the left end and the right end of the coal receiving plate are respectively in sealing connection with the left end and the right end of the coal inlet through the sealing plates, the inclined coal receiving plate receives and guides the upper coal drop into the coal drop cylinder, and meanwhile, the coal in the coal drop cylinder is prevented from being discharged through the coal inlet.
The width of the coal inlet is larger than that of the coal outlet, the upper end of a coal receiving plate outside the coal inlet inclines towards the outside and is respectively connected with a left sealing plate and a right sealing plate, the lower ends of the left sealing plate and the right sealing plate are respectively connected with the left end and the right end of the coal inlet in a sealing mode, the upper ends of the left sealing plate and the right sealing plate stretch over the coal outlet and are connected with the outer wall of a coal dropping cylinder in a sealing mode, the upper ends of the left sealing plate and the right sealing plate are connected with an upper top plate in a sealing mode, the outer sides of the left sealing plate, the right sealing plate, the coal receiving plate and the upper top plate are connected with an outer end cover, the left end of the outer end cover is hinged with the left sealing plate through a hinge, the right end of the outer end cover is connected with the right sealing plate through a lock catch, the coal outlet, an alarm device and the coal inlet are wrapped through the left sealing plate, the right sealing plate, the upper top plate and the coal receiving plate, and dust generated by coal dropping is prevented from leaking outside and affecting the environment.
The coal unloading device has the advantages of simple structure, convenience in use, labor saving, coal unloading speed improvement, normal operation of equipment and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the support plate of fig. 1.
FIG. 3 is a side view of the stationary shaft, the rotating ring and the flapper of FIG. 1.
FIG. 4 is a side view of the top plate, left closure plate, right closure plate and coal receiving plate of FIG. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in the attached drawings, the coal blockage alarm device for the belt conveyor is characterized by comprising a fixed shaft 1, a rotating ring 2, a movable baffle plate 3, a positioning rod 4, a limiting sleeve 5, a supporting plate 6, a limiting seat 7 and a limiting switch 8, wherein the fixed shaft 1 is fixed on two sides of the upper end of a coal dropping port 10 formed in the wall of a coal dropping barrel 9, the rotating ring 2 is sleeved on the fixed shaft 1 and fixedly connected with the movable baffle plate 3, the middle part of the fixed shaft 1 is vertically connected with the positioning rod 4, the end part of the positioning rod 4 is sleeved with the limiting sleeve 5, the limiting sleeve 5 is provided with a limiting screw hole, a limiting bolt 11 is arranged in the limiting screw hole, one end of the limiting sleeve 5 is sleeved on the positioning rod 4 and locked by the limiting bolt 11, the other end of the limiting sleeve 5 is vertically connected with the supporting plate 6, the supporting plate 6 is provided with a vertical sliding hole 13, the side surface of the supporting plate 6 is provided with the limiting seat 7, the limiting seat 7 is provided with a connecting hole corresponding to the position of the limiting sliding hole, the connecting holes are internally provided with connecting bolts 12, the connecting bolts 12 penetrate through the connecting holes and the vertical sliding holes 13 to be connected with connecting nuts, the limiting seat 7 is connected with a limiting switch 8, and the movable baffle 3 is pushed to be opened through coal falling so as to trigger the limiting switch 8 to realize an alarm function.
Further, the vertical slide holes 13 are provided with at least two pieces, which is convenient for fixing the limiting seat 7.
Further, a coal inlet hole 14 is formed in the cylinder wall below the coal drop port 10, a coal receiving plate 15 is arranged on the outer side of the coal inlet hole 14, the lower end of the coal receiving plate 15 is connected with the lower end of the coal inlet hole 14, the upper end of the coal receiving plate 15 inclines towards the outer side of the coal inlet hole 14, the left end and the right end of the coal receiving plate 15 are respectively in sealing connection with the left end and the right end of the coal inlet hole 14 through sealing plates, the inclined coal receiving plate 15 receives and guides the coal drop above the inclined coal receiving plate into the coal drop cylinder 9, and meanwhile, the coal in the coal drop cylinder 9 is prevented from being discharged through the coal inlet hole 14.
Further, the width of the coal inlet hole 14 is larger than the width of the coal inlet port 10, the upper end of the coal receiving plate 15 outside the coal inlet hole 14 inclines towards the outside and is respectively connected with the left sealing plate 16 and the right sealing plate 17, the lower ends of the left sealing plate 16 and the right sealing plate 17 are respectively connected with the left end and the right end of the coal inlet hole 14 in a sealing manner, the upper ends of the left sealing plate 16 and the right sealing plate 17 stretch over the coal inlet port 10 and are connected with the outer wall of the coal chute 9 in a sealing manner, the upper ends of the left sealing plate 16 and the right sealing plate 17 are connected in a sealing manner through the upper top plate 18, the outer sides of the left sealing plate 16, the right sealing plate 17, the coal receiving plate 15 and the upper top plate 18 are connected with the outer end cover 19, the left end of the outer end cover 19 is hinged with the left sealing plate 16 through a hinge, the right end of the outer end cover 19 is connected with the right sealing plate 17 through a lock catch, the coal inlet port 10, the alarm device and the coal inlet hole 14 are wrapped by the left sealing plate 16, the right sealing plate 17, the upper top plate 18 and the coal receiving plate 15, the dust produced by coal breakage is prevented from leaking out to influence the environment.
When the coal blocking alarm device is used, the coal dropping opening 10 is formed in the proper position of the coal dropping barrel 9 at the head of the belt conveyor, the coal blocking alarm device is fixed, the fixed shaft 1 is fixed at two sides of the upper end of the coal dropping opening 10 formed in the barrel wall of the coal dropping barrel 9, the movable baffle 3 is buckled on the coal dropping opening 10, the limit switch 8 is a Turke limit switch 8, the limit switch 8 is electrified, the upper and lower positions of the limit switch 8 are adjusted by adjusting the limit seat 7, the front and rear positions of the limit switch 8 are adjusted by adjusting the position of the limit sleeve 5 on the positioning rod 4, the action distance between the movable baffle 3 and the limit switch 8 is further adjusted, the limit switch 8 is triggered by the collision of the movable baffle 3, the alarm is realized, but because the movable baffle 3 is not in sealing connection with the coal dropping opening 10, the problem of coal leakage can also exist in the coal blocking-free process, therefore, the coal receiving plate 15 is arranged, the coal receiving plate 15 collects the coal leakage and the coal leakage when the movable baffle 3 is opened after blockage and guides the coal leakage and the coal leakage into the coal dropping cylinder 9 again for pinching, and meanwhile, the whole coal dropping port 10, the alarm device and the coal feeding hole 14 are wrapped by the coal receiving plate 15, the left sealing plate 16, the right sealing plate 17, the upper top plate 18 and the outer end cover 19, so that the whole sealing performance can be ensured.
Claims (4)
1. A coal blockage alarm device of a belt conveyor is characterized by comprising a fixed shaft, a rotating ring, a movable baffle, a positioning rod, a limiting sleeve, a supporting plate, a limiting seat and a limiting switch, wherein the fixed shaft is fixed on two sides of the upper end of a coal dropping port formed in the wall of a coal dropping barrel, the rotating ring is sleeved on the fixed shaft and fixedly connected with the movable baffle, the middle part of the fixed shaft is vertically connected with the positioning rod, the end part of the positioning rod is sleeved with the limiting sleeve, the limiting sleeve is provided with a limiting screw hole, a limiting bolt is arranged in the limiting screw hole, one end of the limiting sleeve is sleeved on the positioning rod and locked by the limiting bolt, the other end of the limiting sleeve is vertically connected with the supporting plate, the supporting plate is provided with a vertical sliding hole, the side surface of the supporting plate is provided with the limiting seat, the limiting seat is provided with a connecting hole corresponding to the position of the limiting sliding hole, the connecting bolt is arranged in the connecting hole, and passes through the connecting hole and the vertical sliding hole to be connected with a connecting nut, the limit seat is connected with a limit switch, and the movable baffle is pushed to be opened by coal falling so as to trigger the limit switch to realize an alarm function.
2. The belt conveyor coal blockage alarm device according to claim 1, wherein at least two vertical sliding holes are formed.
3. The belt conveyor coal blockage alarm device according to claim 1, wherein a coal inlet is formed in the wall of the cylinder below the coal drop port, a coal receiving plate is arranged outside the coal inlet, the lower end of the coal receiving plate is connected with the lower end of the coal inlet, the upper end of the coal receiving plate is inclined towards the outside of the coal inlet, and the left end and the right end of the coal receiving plate are respectively connected with the left end and the right end of the coal inlet in a sealing manner through a sealing plate.
4. The belt conveyor coal blockage alarm device as claimed in claim 3, wherein the width of the coal inlet is greater than that of the coal inlet, the upper end of the coal receiving plate outside the coal inlet is inclined outward and is connected with the left sealing plate and the right sealing plate, the lower ends of the left sealing plate and the right sealing plate are respectively connected with the left end and the right end of the coal inlet in a sealing manner, the upper ends of the left sealing plate and the right sealing plate are extended above the coal inlet and are connected with the outer wall of the coal chute in a sealing manner, the upper ends of the left sealing plate and the right sealing plate are connected with the upper top plate in a sealing manner, the outer sides of the left sealing plate, the right sealing plate, the coal receiving plate and the upper top plate are connected with the outer end cover, the left end of the outer end cover is hinged with the left sealing plate through a hinge, the right end of the outer end cover is connected with the right sealing plate through a latch, and the coal inlet, the alarm device and the coal inlet are wrapped by the left sealing plate, the right sealing plate, the upper top plate and the coal receiving plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122527768.2U CN216037006U (en) | 2021-10-20 | 2021-10-20 | Belt feeder chute blockage alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122527768.2U CN216037006U (en) | 2021-10-20 | 2021-10-20 | Belt feeder chute blockage alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216037006U true CN216037006U (en) | 2022-03-15 |
Family
ID=80549701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122527768.2U Withdrawn - After Issue CN216037006U (en) | 2021-10-20 | 2021-10-20 | Belt feeder chute blockage alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216037006U (en) |
-
2021
- 2021-10-20 CN CN202122527768.2U patent/CN216037006U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20220315 Effective date of abandoning: 20231206 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20220315 Effective date of abandoning: 20231206 |