CN220115745U - Rapping device and blast furnace feeding device - Google Patents
Rapping device and blast furnace feeding device Download PDFInfo
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- CN220115745U CN220115745U CN202321136433.0U CN202321136433U CN220115745U CN 220115745 U CN220115745 U CN 220115745U CN 202321136433 U CN202321136433 U CN 202321136433U CN 220115745 U CN220115745 U CN 220115745U
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- rapping
- hammer
- blast furnace
- preset position
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- 239000000463 material Substances 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005303 weighing Methods 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000033764 rhythmic process Effects 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Blast Furnaces (AREA)
Abstract
The utility model discloses a vibrating device and a blast furnace feeding device, wherein the vibrating device comprises a base frame, a vibrating hammer, a driving piece and a speed reduction transmission mechanism, wherein the base frame is provided with a rotatable connecting shaft; the vibrating hammer is arranged on the base frame and comprises a hammer head and a swing arm which are connected, and the swing arm is connected with the connecting shaft; the driving piece is arranged on the base frame; the speed reduction transmission mechanism is connected with the output shaft of the driving piece and the connecting shaft, so that the rotation of the driving piece is transmitted to the connecting shaft and the vibrating hammer. The vibrating hammer is driven by the driving piece and periodically lifted to a second preset position from a first preset position, the second preset position is higher than the first preset position, the condition that the blast furnace is frequently replaced with materials due to the blocking of the feeding system is avoided through vibration, the feeding production rhythm of the blast furnace is met, and the use efficiency of the vibrating device is improved.
Description
Technical Field
The utility model relates to the technical field of blast furnace ironmaking, in particular to a rapping device and a blast furnace feeding device.
Background
The condition of weighing tank putty and clamping material often appears in blast furnace material loading production, needs the manual work to replace the material kind to weighing tank this moment, is unfavorable for improving production efficiency, and complex operation.
The vibrating flow-assisting device is a common device for treating the blocking of the ash bin and the weighing device. However, since the main stream vibrator in the market at present is mainly of a fixed-period and fixed-frequency beating type, an operator is required to go to the site to start and stop the machine by manual operation, and the main force resource is occupied, the fixed-period and fixed-frequency beating device is not suitable for blast furnace feeding production.
In summary, the rapping device in the prior art does not conform to the rhythm of the blast furnace feeding production, cannot match the time interval of the blast furnace feeding, and cannot be directly applied to the blast furnace production.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the rapping device and the blast furnace feeding device, so that the cost of the manually operated rapping device of the blast furnace feeding system is reduced, the condition that the blast furnace is frequently changed in material seeds due to material blockage of the feeding system is avoided through rapping, the production rhythm of the blast furnace feeding is met, and the use efficiency of the rapping device is improved.
The technical proposal for realizing the technical purpose of the utility model is that a rapping device comprises,
a base frame provided with a rotatable connecting shaft;
the vibrating hammer is arranged on the base frame and comprises a hammer head and a swing arm which are connected, and the swing arm is connected with the connecting shaft;
the driving piece is arranged on the base frame;
the speed reduction transmission mechanism is connected with the output shaft of the driving piece and the connecting shaft;
the vibrating hammer is driven by the driving piece and periodically lifted from a first preset position to a second preset position, and the second preset position is higher than the first preset position.
In some embodiments, the reduction gear comprises a belt and first and second pulleys drivingly connected by the belt;
the first belt wheel is connected with the output shaft of the driving piece, the second belt wheel is connected with the swing arm of the hammer head, and the diameter of the first belt wheel is smaller than that of the second belt wheel.
In some embodiments, the first pulley and the second pulley are gears; the belt is a toothed belt.
In some embodiments, the ratio of the number of teeth of the second gear to the number of teeth of the first gear ranges from 2 to 6.
In some embodiments, the rapping device further comprises an elastic member, one end of which acts on the base frame and the other end of which acts on the rapping hammer.
In some embodiments, the rapping device further comprises a rapping rod movably arranged on the base frame for acting on the rapping position of the object, and the rapping hammer falls back from the second preset position to the first preset position and acts on the rapping rod.
In some embodiments, the rapping device further comprises a protective cover provided on the base frame.
Based on the same inventive concept, the utility model also provides a blast furnace feeding device, which comprises,
the weighing tank is used for feeding the blast furnace;
the sensing detection component is used for detecting materials and is arranged in the weighing tank;
in the above-mentioned rapping device, the rapping cone acts on the outer wall of the weighing tank when being located at the first preset position.
In some embodiments, the weighing tank is provided with a funnel section at the lower part, and the hammer head of the vibrating hammer acts on the funnel section; the sensing detection assembly is arranged in the funnel section.
In some embodiments, the sensing assembly includes two limit switches spaced apart along the height of the funnel section.
According to the technical scheme, the vibrating device comprises a base frame, a vibrating hammer, a driving piece and a speed reduction transmission mechanism, wherein the base frame is provided with a rotatable connecting shaft; the vibrating hammer is arranged on the base frame and comprises a hammer head and a swing arm which are connected, and the swing arm is connected with the connecting shaft; the driving piece is arranged on the base frame; the speed reduction transmission mechanism is connected with the output shaft of the driving piece and the connecting shaft, so that the rotation of the driving piece is transmitted to the connecting shaft and the vibrating hammer. The vibrating hammer is driven by the driving piece and periodically lifted to a second preset position from a first preset position, the second preset position is higher than the first preset position, the driving piece can drive forward and reversely, the object piece is vibrated at the first preset position or the driving piece is disconnected after reaching the second preset position, the vibrating hammer falls back to the first preset position under the action of self gravity and provides vibrating force, and the fixed periodic back movement between the first preset position and the second preset position is realized. When the rapping device is applied to the blast furnace feeding device, signals for starting and stopping the rapping device are provided through the sensing detection assembly, so that feeding and standby rhythms of the blast furnace feeding device are matched, the outer wall of the weighing tank is hit in a discharging state of the blast furnace feeding device, and after the burden in the weighing tank is discharged, the rapping is stopped, and an operator does not need to operate beside a field device.
In summary, when the rapping device provided by the utility model is applied to the blast furnace feeding device, the cost of the manually operated rapping device of the blast furnace feeding system is reduced, the condition that the blast furnace is frequently replaced by the material blocking of the feeding system is avoided through rapping, the production rhythm of the blast furnace feeding is met, and the use efficiency of the rapping device is improved.
Drawings
Fig. 1 is a schematic view of a rapping device provided in embodiment 1 of the present utility model.
Reference numerals illustrate: 10-base frame, 11-connecting axle, 20-rapping hammer, 21-hammer head, 22-swing arm, 30-driving piece, 40-reduction gear, 41-belt, 42-first band pulley, 43-second band pulley, 50-elastic piece, 60-rapping bar, 70-safety cover.
Detailed Description
In order to make the present utility model more clearly understood by those skilled in the art, the following detailed description of the technical scheme of the present utility model will be given by way of specific examples with reference to the accompanying drawings.
The utility model provides a rapping device and a blast furnace feeding device, which reduce the cost of the manually operated rapping device of a blast furnace feeding system, avoid the condition that the blast furnace is frequently replaced by materials due to the blocking of the feeding system by rapping, accord with the blast furnace feeding production rhythm, and improve the use efficiency of the rapping device. The following describes the utility model in detail by way of 2 specific examples:
example 1
As shown in fig. 1, the present embodiment provides a rapping device, comprising a base frame 10, a rapping hammer 20, a driving member 30 and a reduction transmission mechanism 40, wherein the base frame 10 is provided with a rotatable connecting shaft 11; the vibrating hammer 20 is arranged on the base frame 10 and comprises a hammer head 21 and a swing arm 22 which are connected, and the swing arm 22 is connected with the connecting shaft 11; the driving member 30 is disposed on the base frame 10; the reduction transmission mechanism 40 is connected to the output shaft of the driving member 30 and the connecting shaft 11, and further transmits the rotation of the driving member 30 to the connecting shaft 11 and the rapping hammer 20. The rapping hammer 20 is driven by the driving member 30 and periodically lifted from a first preset position to a second preset position, which is higher than the first preset position, and the rapping hammer 20 can be driven forward and backward by the driving member 30, and the rapping hammer 20 is driven to fall back to the first preset position under the action of gravity and provide a rapping force after the driving member 30 is disconnected at the first preset position or the second preset position is reached, so that the rapping hammer 20 can periodically return between the first preset position and the second preset position. When the rapping device is applied to the blast furnace feeding device, signals for starting and stopping the rapping device are provided through the sensing detection assembly, so that feeding and standby rhythms of the blast furnace feeding device are matched, the outer wall of the weighing tank is hit in a discharging state of the blast furnace feeding device, and after the burden in the weighing tank is discharged, the rapping is stopped, and an operator does not need to operate beside a field device.
In fig. 1, the form of the rapping hammer 20 at the second preset position is shown by means of a dotted line.
The reduction gear mechanism 40 is not particularly limited in this embodiment, and in some embodiments, a reduction gear, a planetary gear set, or the like may be selected. As one embodiment, the reduction gear mechanism 40 includes a belt 41 and a first pulley 42 and a second pulley 43 drivingly connected by the belt 41; the first belt pulley 42 is connected to the output shaft of the driving member 30, the second belt pulley 43 is connected to the swing arm 22 of the hammer head 21, the diameter of the first belt pulley 42 is smaller than that of the second belt pulley 43, synchronous movement of the first belt pulley 42 and the second belt pulley 43 is achieved through the belt 41, and deceleration is achieved, so that the swing lifting speed of the rapping hammer 20 from the first preset position to the second preset position is effectively controlled.
In order to ensure stable transmission of the first belt pulley 42 and the second belt pulley 43 and avoid the dragging problem caused by the loosening of the belt 41, in this embodiment, the first belt pulley 42 and the second belt pulley 43 are gears; the belt 41 is a toothed belt 41.
As a preferred embodiment, the ratio of the number of teeth of the second gear to the number of teeth of the first gear ranges from 2 to 6 in order to control the speed of the rapping hammer 20.
As mentioned above, in some embodiments, the rapping hammer 20 falls back from the second preset position to the first preset position, either by the reverse rotation of the driving member 30 or by the gravity of the rapping hammer 20 itself. In order to ensure a smooth fall-back of the rapping hammer 20 and to control the speed at which the rapping hammer 20 moves to the first preset position, when the latter solution is adopted, as an embodiment, the rapping device further comprises an elastic member 50, one end of the elastic member 50 being applied to the base frame 10 and the other end being applied to the rapping hammer 20. The setting position and action of the elastic member 50 are not particularly limited in this embodiment, and the elastic member may be adaptively adjusted according to the structure and parameters of the rapping hammer 20, for example, when the rapping hammer 20 is at the second preset position, the rapping hammer 20 may have a clamping stagnation, and at this time, the elastic member 50 under the second preset position and in a stretched state acts on the rapping hammer 20 to provide a downward acting force. When the rapping hammer 20 itself can fall without hindrance, but its own weight is large so that the acceleration is large, in order to avoid that the rapping hammer 20 is too high in speed in the first preset position, a reverse force can be provided by the elastic member 50 to control the failure speed.
In order to control the size of the striker 21 and at the same time to allow the rapping hammer 20 to be applied to an object at a distance from the first preset position, the rapping device, as an embodiment, further comprises a rapping lever 60 movably arranged on the base frame 10 for acting on the rapping site of the object, the rapping hammer 20 being returned from the second preset position to the first preset position and acting on the rapping lever 60.
In order to achieve a safety protection, in this embodiment, the rapping device further comprises a protective cover 70 provided on the base frame 10.
Example 2
Based on the same inventive concept, the embodiment provides a blast furnace feeding device, which comprises a weighing tank for blast furnace feeding, a sensing detection component for detecting materials and the rapping device of embodiment 1, wherein the sensing detection component is arranged in the weighing tank; the rapping cone acts on the outer wall of the weighing tank when located in a first preset position. When the rapping device provided in the embodiment 1 is applied to the blast furnace feeding device, signals for starting and stopping the rapping device are provided through the sensing detection component, so that feeding and standby rhythms of the blast furnace feeding device are matched, the outer wall of the weighing tank is hit in a discharging state of the blast furnace feeding device, the rapping is stopped after the burden in the weighing tank is emptied, an operator is not required to operate beside a field device, the cost of manually operating the rapping device of the blast furnace feeding system is effectively reduced, the condition that the blast furnace is frequently replaced by the material due to material blocking of the feeding system is avoided through rapping, the production rhythms of the blast furnace feeding are met, and the use efficiency of the rapping device is improved.
In order to facilitate the discharging, the lower part of the weighing tank is provided with a funnel section, and the hammer head 21 of the vibrating hammer 20 acts on the funnel section; the sensing detection component is arranged in the funnel section.
The present embodiment does not specifically limit the sensing detection assembly, as long as the function of detecting the material can be realized. As an embodiment, the sensing assembly comprises two limit switches arranged at intervals along the height direction of the funnel section.
The blast furnace charging production characteristics are as follows: has both discontinuity and persistence. The operating state of each weighing device is determined according to the descending speed of the blast furnace burden. When the blast furnace charging system is required to provide raw materials in the blast furnace, the charging system performs screening, standby storage and discharging according to the weight of the burden required by the blast furnace. When the blast furnace sends a charging signal, the charging system opens the weighing device to discharge the materials to the conveying belt 41, and the materials are conveyed into the furnace top charging equipment through the belt 41 to be supplied to the furnace. The interval between the raw materials required in each furnace is about 300 seconds, and the weight of the charge to be charged into the furnace each time is determined according to the load of the blast furnace. The time to discharge the belt 41 machine was about 120 seconds. After emptying, the weighing device is closed and enters a screening state. The following diagram is repeatedly circulated until the blast furnace is subjected to damping down maintenance.
According to the technical scheme of the patent, the rapping device needs to strike in the charging state of the blast furnace charging weighing device, and the rapping is stopped after the charging in the weighing device is emptied, so that the control mode can be realized only by calculating and operating a button in the blast furnace main control room, and an operator does not need to operate beside a field device.
The working principle of the rapping device provided in this embodiment is as follows:
taking the driving piece 30 as an example of a motor, when the motor receives a signal of starting vibration, the motor starts to operate, the vibration hammer 20 moves upwards and is pulled up through a gear linkage belt 41 of a first belt wheel 42, when the hammer 21 is lifted to the position that the swing arm 22 is perpendicular to the weighing tank, the motor stops operating, the hammer 21 is kept at the position, at the moment, the axis of the hammer 21 is kept parallel to the position of the weighing tank, the hammer 21 is tensioned with a fixed position by virtue of a spring on the hammer 21, after the motor stops rotating and is disconnected, the hammer 21 overcomes the tensile force of the spring by utilizing the self weight, and moves downwards and strikes the chopping board to vibrate the weighing tank.
In conclusion, when the rapping device is applied to the blast furnace feeding device, signals for starting and stopping the rapping device are provided through the sensing detection assembly, so that feeding and standby rhythms of the blast furnace feeding device are matched, the outer wall of the weighing tank is hit in a discharging state of the blast furnace feeding device, and after the burden in the weighing tank is discharged, the rapping is stopped, and an operator does not need to operate beside a field device.
In conclusion, when the rapping device provided by the utility model is applied to the blast furnace feeding device, the cost of the manually operated rapping device of the blast furnace feeding system is reduced, the condition that the blast furnace is frequently changed in material seeds due to material blocking of the feeding system is avoided through rapping, the production rhythm of the blast furnace feeding is met, and the use efficiency of the rapping device is improved.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A rapping device, characterized in that it comprises,
a base frame provided with a rotatable connecting shaft;
the vibrating hammer is arranged on the base frame and comprises a hammer head and a swing arm which are connected, and the swing arm is connected with the connecting shaft;
the driving piece is arranged on the base frame;
the speed reduction transmission mechanism is connected with the output shaft of the driving piece and the connecting shaft;
the vibrating hammer is driven by the driving piece and periodically lifted from a first preset position to a second preset position, and the second preset position is higher than the first preset position.
2. The rapping device of claim 1, wherein said reduction transmission comprises a belt and a first pulley and a second pulley drivingly connected by said belt;
the first belt wheel is connected with the output shaft of the driving piece, the second belt wheel is connected with the swing arm of the hammer head, and the diameter of the first belt wheel is smaller than that of the second belt wheel.
3. The rapping device of claim 2, wherein said first pulley and said second pulley are gears; the belt is a toothed belt.
4. A rapping device according to claim 3, wherein the ratio of the number of teeth of said second pulley to the number of teeth of said first pulley is in the range of 2 to 6.
5. A rapping device according to any of claims 1-4, wherein said rapping device further comprises an elastic member, one end of which acts on said base frame and the other end acts on said rapping hammer.
6. A rapping device according to any of claims 1-4, further comprising a rapping bar movably arranged on said base frame for acting on a rapping site of a subject, said rapping hammer falling back from said second preset position to said first preset position and acting on said rapping bar.
7. A rapping device according to any of claims 1-4, wherein said rapping device further comprises a protective cover provided on said base frame.
8. A blast furnace feeding device is characterized by comprising,
the weighing tank is used for feeding the blast furnace;
the sensing detection component is used for detecting materials and is arranged in the weighing tank;
a rapping device according to any of claims 1-7, said rapping hammer acting on the outer wall of said weighing tank when in said first preset position.
9. The blast furnace charging apparatus according to claim 8, wherein a lower portion of said weighing tank is a funnel section, and wherein a hammer head of said rapping hammer acts on said funnel section; the sensing detection assembly is arranged in the funnel section.
10. The blast furnace charging apparatus according to claim 9, wherein said sensing assembly comprises two limit switches disposed at intervals along a height direction of said funnel section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321136433.0U CN220115745U (en) | 2023-05-12 | 2023-05-12 | Rapping device and blast furnace feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321136433.0U CN220115745U (en) | 2023-05-12 | 2023-05-12 | Rapping device and blast furnace feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220115745U true CN220115745U (en) | 2023-12-01 |
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ID=88916816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321136433.0U Active CN220115745U (en) | 2023-05-12 | 2023-05-12 | Rapping device and blast furnace feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220115745U (en) |
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2023
- 2023-05-12 CN CN202321136433.0U patent/CN220115745U/en active Active
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