CN220905972U - Coal level measuring device - Google Patents
Coal level measuring device Download PDFInfo
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- CN220905972U CN220905972U CN202323018539.3U CN202323018539U CN220905972U CN 220905972 U CN220905972 U CN 220905972U CN 202323018539 U CN202323018539 U CN 202323018539U CN 220905972 U CN220905972 U CN 220905972U
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- 239000003245 coal Substances 0.000 title claims abstract description 65
- 238000003756 stirring Methods 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000005259 measurement Methods 0.000 claims description 11
- 239000012780 transparent material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 19
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model provides a coal level measuring device, which comprises an agitating mechanism, a measuring mechanism and a measuring mechanism, wherein the agitating mechanism comprises an agitating rod which rotationally penetrates through a base and a hopper to extend into the hopper, and one end of the agitating rod, which is positioned in the hopper, is also provided with a plurality of agitating blades; the measuring mechanism is arranged outside the cylinder body, at least one limiting groove is formed in the side wall of the cylinder body, and one end of the measuring mechanism penetrates through the limiting groove and extends into the cylinder body to be connected with the stirring rod; the lifting mechanism is arranged at the top of the cylinder body and is connected with the stirring mechanism so as to enable the stirring mechanism to ascend/descend. According to the utility model, the stirring rod stirs the periphery along the central axis of the hopper, so that the coal materials stacked in the middle of the stirring rod slide to the periphery to level the coal materials in the hopper, wherein the current coal material position can be known by the action of the lifting mechanism and the matching stirring mechanism and reading the displacement of the stirring mechanism in the lifting process of the stirring mechanism through the measuring mechanism connected with the stirring rod.
Description
Technical Field
The utility model relates to the technical field of coal level measurement, in particular to a coal level measurement device.
Background
In the use of coal mill feeder of coal-fired power plant, it is necessary to add coal to it, because the space of coal hopper is little, inside dust is big, the temperature is high, can't make visualization to the coal position in it, therefore need to use the coal level measuring device. The existing material level measurement is realized by utilizing the change of ultrasonic or pressure signals, for example, china patent (publication No. CN 219104110U) discloses a stone coal bucket material level measurement device, a pressure sensor is arranged at the bottom of a tray, a stone coal bucket is arranged on the tray, when the gangue of the stone coal bucket is gradually increased, the signal of the pressure sensor is gradually changed, and when the signal change reaches the preset weight, the material is full. However, due to the limitation of the space in the coal hopper, after the pebble coal enters the hopper, gaps exist between the pebble coal, and the pressure sensor takes the weight as a judgment signal, so that when the pressure change signal does not reach the preset weight, the hopper is full, and the accuracy of the measured coal height is affected. The present utility model therefore proposes a coal level measuring device to ameliorate the above problems.
Disclosure of utility model
Therefore, the utility model aims to overcome the defect of inaccurate coal position measured by the coal level measuring device in the prior art, thereby providing the coal level measuring device.
In order to solve the above problems, the present utility model provides a coal level measuring device, including a hopper, a feed inlet is provided at the top of the hopper, and further including:
The base is arranged at the center of the top of the hopper, and a cylinder is further arranged on the base;
The stirring mechanism is arranged at the top of the barrel and is in sliding connection with the barrel, the stirring mechanism comprises a stirring rod, the stirring rod rotationally penetrates through the base and the hopper and stretches into the hopper, and one end of the stirring rod, which is positioned in the hopper, is also provided with a plurality of stirring blades;
The measuring mechanism is arranged outside the cylinder body, at least one limiting groove is formed in the side wall of the cylinder body, and one end of the measuring mechanism penetrates through the limiting groove and extends into the cylinder body to be connected with the stirring rod;
And the lifting mechanism is arranged at the top of the cylinder body and is connected with the stirring mechanism so that the stirring mechanism ascends/descends.
Preferably, the stirring mechanism further comprises a sliding cylinder, a sliding hole matched with the sliding cylinder is formed in the bottom of the cylinder, the side wall of the sliding cylinder is in sliding connection with the sliding hole, a first motor is arranged in the sliding cylinder, an output shaft of the first motor is connected with the stirring rod, a disc is further arranged on the stirring rod and is in rotary connection with the stirring rod, and the disc and one end of the sliding cylinder close to the base are in clearance arrangement.
Preferably, the disc is provided with a plurality of through holes, and the through holes are uniformly and symmetrically distributed by taking the center of the disc as the center of a circle.
Preferably, the stirring blades are uniformly and symmetrically distributed by taking the center of the stirring rod as the center of the circle, and one ends of the stirring blades are obliquely arranged on the stirring rod.
Preferably, the measuring mechanism comprises a measuring cylinder, a mounting plate is arranged outside the measuring cylinder, one end of the mounting plate is connected with the outer side wall of the measuring cylinder, the other end of the mounting plate is connected with the outer side wall of the cylinder, a piston is arranged in the measuring cylinder and is in sliding connection with the measuring cylinder, a connecting rod is arranged at the bottom of the piston, one end of the connecting rod is connected with the bottom of the piston, and the other end of the connecting rod penetrates through the measuring cylinder and the limiting groove respectively and is connected with the outer wall of the disc.
Preferably, the measuring cylinder is made of transparent materials, and scale marks are arranged on the outer wall of the measuring cylinder.
Preferably, the lifting mechanism comprises a fixing plate, the fixing plate is arranged above the cylinder, a pair of supporting columns are arranged between the fixing plate and the cylinder, one ends of the supporting columns are connected with the top of the cylinder, the other ends of the supporting columns are connected with the fixing plate, a second motor is arranged on the fixing plate, the second motor is connected with a screw rod, one end of the screw rod is rotated to penetrate through the fixing plate to be connected with an output shaft of the second motor, the other end of the screw rod is connected with the top of the cylinder in a rotating mode, a sliding block is arranged on the screw rod, the sliding block is connected with the top of the screw rod in a threaded mode, and the sliding block is further connected with the outer wall of the sliding cylinder.
Preferably, the hopper is a hollow platform structure, and the size of the upper cross section of the hopper is larger than that of the lower cross section.
The utility model also provides a coal level measuring device, which comprises the coal level measuring device.
The coal level measuring device provided by the utility model has the following beneficial effects:
1. According to the utility model, the stirring rod stirs the coal material around the central axis of the hopper, so that the coal material stacked in the middle of the stirring rod slides to the periphery to be leveled, the stirring blade stirs the coal material around the periphery, the stirring mechanism is lifted relative to the cylinder under the action of the lifting mechanism and is matched with the stirring mechanism, when the stirring blade stirs the coal material to be not continuously slid to the periphery, the lifting mechanism can not continuously push the coal material downwards, at the moment, the current coal material level in the hopper can be obtained, the displacement of the stirring mechanism is read in the lifting process of the stirring mechanism and is compared with the initial displacement, the current coal material position can be known, and the real coal material level in the hopper can be obtained through the matching of the stirring mechanism, so that the visualization in the hopper is realized, and the management of the coal material level is facilitated;
2. The utility model also drives the upper sliding block to lift relative to the cylinder body by forward and backward rotating the screw rod so as to drive the stirring mechanism to lift and judge the position of the coal level in the hopper;
3. The utility model also adopts the shape of the hopper as a table body, and the size of the upper cross section of the hopper is larger than the size of the lower cross section of the hopper, so that the coal material entering the hopper can be filled, the bottom is filled first, and then the two sides are piled up, so as to be matched with the use of the coal material level measuring device.
Drawings
FIG. 1 is a perspective view of the general assembly of the present utility model;
FIG. 2 is a schematic view of the internal structure of the hopper according to the present utility model;
FIG. 3 is a schematic diagram illustrating the installation of a limiting groove according to the present utility model;
FIG. 4 is a schematic view of a disk installation of the present utility model;
FIG. 5 is a schematic diagram of a first motor installation of the present utility model;
FIG. 6 is a schematic view of the agitating blade structure of the present utility model.
The reference numerals are expressed as:
1. A hopper; 2. a feed inlet; 3. a base; 4. a cylinder; 5. an agitating rod; 6. stirring blades; 7. a limit groove; 8. a sliding cylinder; 9. a sliding hole; 10. a first motor; 11. a disc; 12. a through hole; 13. a measuring cylinder; 14. a mounting plate; 15. a piston; 16. a connecting rod; 17. a fixing plate; 18. a support column; 19. a second motor; 20. a screw; 21. a sliding block.
Detailed Description
As shown in fig. 1 to 6, the present utility model provides a coal level measuring apparatus including:
Hopper 1, hopper 1 top is provided with feed inlet 2, still includes:
the base 3 is arranged at the center of the top of the hopper 1, and a cylinder 4 is further arranged on the base 3;
The stirring mechanism is arranged at the top of the cylinder body 4 and is in sliding connection with the cylinder body 4, the stirring mechanism comprises a stirring rod 5, the stirring rod 5 rotationally penetrates through the base 3 and the hopper 1 and stretches into the hopper 1, and one end of the stirring rod 5, which is positioned in the hopper 1, is also provided with a plurality of stirring blades 6;
the measuring mechanism is arranged outside the cylinder body 4, at least one limiting groove 7 is formed in the side wall of the cylinder body 4, and one end of the measuring mechanism penetrates through the limiting groove 7 and stretches into the cylinder body 4 to be connected with the stirring rod 5;
And the lifting mechanism is arranged at the top of the cylinder body 4 and is connected with the stirring mechanism so as to enable the stirring mechanism to ascend/descend. As shown in fig. 1-6, a stone coal level measuring device comprises a hopper 1, a feeding hole 2 is arranged at the top of the hopper 1 to feed coal into the hopper 1, a base 3, an agitating mechanism and a measuring mechanism, wherein the base 3 is arranged at the center of the top of the hopper 1, the agitating mechanism is arranged at the top of a cylinder 4, the agitating mechanism agitates the coal piled in the middle by the axis of the hopper 1 to the periphery through the agitating rod 5, so that the coal piled in the hopper 1 is leveled, the agitating mechanism is moved to the periphery through the agitating blade 6, the agitating mechanism is moved up and down relative to the cylinder 4 through the action of a lifting mechanism, the agitating mechanism is matched, when the agitating blade 6 is moved up and down to the periphery and does not slide continuously, the lifting mechanism can not be pushed down any more, at this time, the current coal level in the hopper 1 can be obtained, the current coal level is read in the process of lifting of the agitating mechanism through the measuring mechanism connected with the agitating rod 5, and compared with the initial displacement, the current coal level can be known, the actual coal level is matched to obtain the coal level in the hopper 1, so that the coal level in the hopper 1 can be visually managed.
In some embodiments, the stirring mechanism further comprises a sliding cylinder 8, a sliding hole 9 adapted to the sliding cylinder 8 is formed in the bottom of the cylinder 4, the side wall of the sliding cylinder 8 is slidably connected with the sliding hole 9, a first motor 10 is arranged in the sliding cylinder 8, an output shaft of the first motor 10 is connected with the stirring rod 5, a disc 11 is further arranged on the stirring rod 5, the disc 11 is rotatably connected with the stirring rod 5, and the disc 11 and the sliding cylinder 8 are close to one end of the base 3 in a clearance mode. As shown in fig. 1 to 6, the first motor 10 is commercially available and drives the stirring rod 5 to rotate by sliding the sliding cylinder 8 up and down through the sliding hole 9 to match the lifting of the stirring mechanism, and then drives the stirring blade 6 to rotate by the first motor 10, wherein the connection between the stirring rod 5 and the output shaft of the first motor 10 can be through a coupling, and the rotating connection between the disc 11 and the stirring rod 5 can be through a bearing connection, so that the relative position of the disc 11 and the stirring rod 5 is fixed, and the rotation of the stirring rod 5 is not affected.
In some embodiments, the disc 11 is provided with a plurality of through holes 12, and the through holes 12 are uniformly and symmetrically distributed around the center of the disc 11. As shown in fig. 1-6, the through holes 12 in the disc 11 provide for weight reduction of the disc 11 to facilitate easy rotation of the stirring rod 5.
In some embodiments, the plurality of stirring blades 6 are uniformly and symmetrically distributed around the center of the stirring rod 5, and one ends of the stirring blades 6 are obliquely arranged on the stirring rod 5. As shown in fig. 1-6, the stirring vanes 6 are inclined with respect to the stirring rod 5 so that they facilitate stirring the coal in the center of the hopper 1 to the periphery during rotation.
In some embodiments, the measuring mechanism comprises a measuring cylinder 13, a mounting plate 14 is arranged outside the measuring cylinder 13, one end of the mounting plate 14 is connected with the outer side wall of the measuring cylinder 13, the other end of the mounting plate 14 is connected with the outer side wall of the cylinder 4, a piston 15 is arranged in the measuring cylinder 13, the piston 15 is slidably connected with the measuring cylinder 13, a connecting rod 16 is arranged at the bottom of the piston 15, one end of the connecting rod 16 is connected with the bottom of the piston 15, and the other end of the connecting rod 16 penetrates through the measuring cylinder 13 and the limiting groove 7 respectively and is connected with the outer wall of the disc 11. As shown in fig. 1 to 6, the connecting rod 16 is an L-shaped connecting rod 16, the disc 11 is connected with the bottom of the piston 15 through the L-shaped connecting rod 16, so that in the process of lifting the stirring rod 5, the L-shaped connecting rod 16 is lifted along with the disc 11, and the connected piston 15 is lifted relative to the measuring cylinder 13, and the coal material position when the lifting displacement is known by measuring and comparing with the initial value, wherein the limiting groove 7 limits the lifting range of the lifting mechanism.
In some embodiments, the measuring cylinder 13 is made of transparent material, and scale marks are arranged on the outer wall of the measuring cylinder 13. As shown in fig. 1-6, the measuring cylinder 13 is made of transparent material, such as glass, transparent plastic, etc. so as to observe the position of the piston 15, scale marks are arranged on the outer wall of the measuring cylinder 13, and the current coal position can be known by comparing the displacement of the piston 15 with an initial value.
In some embodiments, the lifting mechanism comprises a fixing plate 17, the fixing plate 17 is disposed above the cylinder 4, a pair of support columns 18 are disposed between the fixing plate 17 and the cylinder 4, one ends of the support columns 18 are connected with the top of the cylinder 4, the other ends of the support columns 18 are connected with the fixing plate 17, a second motor 19 is disposed on the fixing plate 17, the second motor 19 is connected with a screw rod 20, one end of the screw rod 20 rotates to penetrate through the fixing plate 17 and is connected with an output shaft of the second motor 19, the other end of the screw rod 20 is rotatably connected with the top of the cylinder 4, a sliding block 21 is disposed on the screw rod 20, the sliding block 21 is in threaded connection with the screw rod 20, and the sliding block 21 is also connected with the outer wall of the sliding cylinder 8. As shown in fig. 1-6, the lifting mechanism fixes and limits the lifting mechanism through the fixing plate 17, the second motor 19 is commercially available, the output shaft of the second motor 19 and the screw 20 can be connected through a coupling, and the screw 20 is rotated in the forward and reverse directions so as to drive the upper sliding block 21 to lift relative to the cylinder 4, so as to drive the stirring mechanism to lift, and the position of the coal level in the hopper 1 is judged.
In some embodiments, the hopper 1 is a hollow platform structure, and the size of the upper cross section of the hopper 1 is larger than the size of the lower cross section. As shown in fig. 1 to 6, the hopper 1 is in the shape of a table, the size of the upper cross section of the hopper 1 is larger than the size of the lower cross section, so that the coal material entering the hopper 1 can be filled, the bottom is filled first, and then the two sides are piled, which can be a round table or a square table, so as to be matched with the use of the coal level measuring device.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. The utility model provides a coal level measuring device, includes the hopper, the hopper top is provided with the feed inlet, its characterized in that still includes:
The base is arranged at the center of the top of the hopper, and a cylinder is further arranged on the base;
The stirring mechanism is arranged at the top of the barrel and is in sliding connection with the barrel, the stirring mechanism comprises a stirring rod, the stirring rod rotationally penetrates through the base and the hopper and stretches into the hopper, and one end of the stirring rod, which is positioned in the hopper, is also provided with a plurality of stirring blades;
The measuring mechanism is arranged outside the cylinder body, at least one limiting groove is formed in the side wall of the cylinder body, and one end of the measuring mechanism penetrates through the limiting groove and extends into the cylinder body to be connected with the stirring rod;
And the lifting mechanism is arranged at the top of the cylinder body and is connected with the stirring mechanism so that the stirring mechanism ascends/descends.
2. The coal level measurement device of claim 1, wherein:
The stirring mechanism further comprises a sliding cylinder, a sliding hole matched with the sliding cylinder is formed in the bottom of the cylinder, the side wall of the sliding cylinder is in sliding connection with the sliding hole, a first motor is arranged in the sliding cylinder, an output shaft of the first motor is connected with the stirring rod, a disc is further arranged on the stirring rod and is in rotary connection with the stirring rod, and the disc is close to one end of the sliding cylinder close to the base and is in clearance arrangement.
3. The coal level measurement device of claim 2, wherein:
The disc is provided with a plurality of through holes which are uniformly and symmetrically distributed by taking the center of the disc as the center of a circle.
4. The coal level measurement device of claim 1, wherein:
The stirring blades are uniformly and symmetrically distributed by taking the center of the stirring rod as the center of the circle, and one ends of the stirring blades are obliquely arranged on the stirring rod.
5. The coal level measurement device of claim 2, wherein:
The measuring mechanism comprises a measuring cylinder, a mounting plate is arranged outside the measuring cylinder, one end of the mounting plate is connected with the outer side wall of the measuring cylinder, the other end of the mounting plate is connected with the outer side wall of the cylinder, a piston is arranged in the measuring cylinder and is connected with the measuring cylinder in a sliding mode, a connecting rod is arranged at the bottom of the piston, one end of the connecting rod is connected with the bottom of the piston, and the other end of the connecting rod penetrates through the measuring cylinder and the limiting groove respectively and is connected with the outer wall of the disc.
6. The coal level measurement device of claim 1, wherein:
The measuring cylinder is made of transparent materials, and scale marks are arranged on the outer wall of the measuring cylinder.
7. The coal level measurement device of claim 1, wherein:
The lifting mechanism comprises a fixing plate, the fixing plate is arranged above the cylinder body, a pair of supporting columns are arranged between the fixing plate and the cylinder body, one ends of the supporting columns are connected with the top of the cylinder body, the other ends of the supporting columns are connected with the fixing plate, a second motor is arranged on the fixing plate, the second motor is connected with a screw rod, one end of the screw rod is rotated to penetrate through the fixing plate to be connected with an output shaft of the second motor, the other end of the screw rod is connected with the top of the cylinder body in a rotating mode, a sliding block is arranged on the screw rod, and is in threaded connection with the screw rod, and the sliding block is further connected with the outer wall of the sliding cylinder.
8. The coal level measurement device of claim 1, wherein:
the hopper is of a hollow platform structure, and the size of the upper cross section of the hopper is larger than that of the lower cross section of the hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323018539.3U CN220905972U (en) | 2023-11-09 | 2023-11-09 | Coal level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323018539.3U CN220905972U (en) | 2023-11-09 | 2023-11-09 | Coal level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220905972U true CN220905972U (en) | 2024-05-07 |
Family
ID=90913518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323018539.3U Active CN220905972U (en) | 2023-11-09 | 2023-11-09 | Coal level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220905972U (en) |
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2023
- 2023-11-09 CN CN202323018539.3U patent/CN220905972U/en active Active
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