Anti-disengagement tooth mechanism of putty rack and electrostatic precipitator applying the same

Abstract

The present invention discloses a dust scraping rack anti - tooth - falling mechanism and an electrostatic precipitator applying the same, which comprises a power assembly, a rack assembly, a dust scraping assembly, an anti - tooth - falling assembly, a rotary fixing assembly and a top - filling assembly; there are two dust scraping assemblies, which are respectively installed at both ends of the rack assembly, the power assembly is used to drive the rack assembly to move and drive the dust scraping assembly, there are two anti - tooth - falling assemblies, which are respectively installed at both ends of the rack assembly, the top - filling assembly is installed in the middle of the outer side of the rack assembly and is used to support the rack assembly; the rotary fixing assembly is used to fix the rack assembly and the dust scraping assembly. By arranging a telescopic and movable pin shaft on the original rack, the present invention increases the operable range of the dust scraping mechanism, can realize an increase in the dust scraping range, minimize the amount of dust accumulation inside the dust collector body, reduce the amount of secondary dust emission, and at the same time, the mechanism is set by mechanical change, which is stable and reliable, and can fundamentally eliminate the risk of tooth - falling between the gear and the rack.

Description

Technical Field

[0001] The present invention relates to the technical field of electrostatic precipitators, and particularly relates to a tooth anti - detachment mechanism for a scraping rack and an electrostatic precipitator applying the same. Background Art

[0002] The scraping mechanism of a cylindrical electrostatic precipitator is one of the key components of the equipment. Through a pendulum - type movement, it clears the furnace ash collected inside the electrostatic precipitator. Considering safe operation and increasing the safety operation coefficient, left - right high - limit positions and left - right ultra - high - limit positions are usually controlled and set. The left - right high - limit positions reserve 4 - 5 teeth. After the travel switch senses, it runs in the reverse direction. The left - right ultra - high - limit positions reserve 3 - 4 teeth, which are used for the malfunction shutdown after the proximity switch operates due to internal jamming overload.

[0003] Due to too many teeth reserved on the rack, when the scraping mechanism is operating, its scraping range is reduced. The unilateral scraping range is only about 43.4°. It cannot fully clear the dust collected inside the dust collector. If the travel switch and the proximity switch malfunction, it will cause the gear and the rack to become tooth - detached, the scraping system to malfunction and shut down, and even cause the system to stop operating. Summary of the Invention

[0004] In view of this, the main purpose of the present invention is to provide a tooth anti - detachment mechanism for a scraping rack and an electrostatic precipitator applying the same.

[0005] To achieve the above - mentioned purpose, the technical solution of the present invention is realized as follows:

[0006] The first embodiment of the present invention provides a tooth anti - detachment mechanism for a scraping rack, which includes a power component, a rack component, a scraping component, an anti - tooth - detachment component, a rotary fixing component and a top - filling component;

[0007] There are two scraping components, which are respectively installed at both ends of the rack component and are used for clearing the furnace ash collected inside the electrostatic precipitator;

[0008] The power component is used to drive the rack component to move and drive the scraping component;

[0009] There are two anti - tooth - detachment components, which are respectively installed at both ends of the rack component and are used to prevent the power component from detaching from the rack component;

[0010] The top - filling component is installed in the middle of the outer side of the rack component and is used to support the rack component;

[0011] The rotary fixing component is used to fix the rack component and the scraping component and makes a left - right swing movement driven by the power component.

[0012] Preferably, the power component of the present invention includes a gear and a rotating shaft. The gear is sleeved on the rotating shaft and is used to drive the gear to rotate.

[0013] Preferably, the rotation fixing assembly includes a rotating shaft, a fixing seat, fixing support rods, a first reinforcing rib and a second reinforcing rib. The fixing seat is used for connecting with the inner wall of the electrostatic precipitator. The rotating shaft is arranged on the fixing seat. The fixing support rods include two, and their first ends are connected to the rotating shaft, and an included angle is formed between the two fixing support rods. The first reinforcing rib and the second reinforcing rib are respectively arranged at the upper and lower ends of the two fixing support rods.

[0014] Preferably, the rack assembly includes a toothed ring and a first transmission shaft pin. A plurality of first transmission shaft pins are uniformly arranged on the toothed ring and are used to drive the toothed ring to move after meshing with the gear. The two ends of the toothed ring are respectively connected to the second ends of the two fixing support rods.

[0015] Preferably, the toothed ring is of an arc-shaped structure, and its radian is adapted to the radian of the inner wall of the electrostatic precipitator.

[0016] Preferably, the ash scraping assembly includes a ring beam and ash scraping blocks. The two ends of the ring beam are respectively connected to the second ends of the two fixing support rods. The ash scraping blocks include two and are respectively arranged at the two ends of the ring beam.

[0017] Preferably, the anti-detaching tooth assembly includes a second transmission shaft pin, a third transmission shaft pin, a screw rod, a nut and a spring. The second transmission shaft pin and the third transmission shaft pin are arranged outside the first transmission shaft pin. Through holes are respectively arranged on both sides of the second transmission shaft pin and the third transmission shaft pin. The screw rod includes two, and respectively slide through the through holes on both sides of the second transmission shaft pin and the third transmission shaft pin and are fixed by nuts. A spring is sleeved on the screw rod. The spring is located between the second transmission shaft pin and the third transmission shaft pin, and the two ends of the spring are respectively connected to the second transmission shaft pin and the third transmission shaft pin.

[0018] Preferably, the top charging assembly includes a locking seat, a connecting seat and a sliding block. One end of the connecting seat is connected to the toothed ring through the locking seat, and the other end of the connecting seat is connected with a sliding block.

[0019] In the second embodiment of the present invention, an electrostatic precipitator is provided, which includes an electrostatic precipitator body and the above-mentioned ash scraping rack anti-detaching tooth mechanism, and the ash scraping rack anti-detaching tooth mechanism is arranged inside the electrostatic precipitator body.

[0020] Preferably, the electrostatic precipitator body is cylindrical.

[0021] Compared with the prior art, by arranging a telescopic and movable pin shaft on the original rack, the present invention increases the operable range of the ash scraping mechanism, can realize an increase in the ash scraping range, minimize the amount of ash accumulation inside the dust collector body, reduce the amount of secondary dust emission, and at the same time, the setting of this mechanism is changed mechanically, which is stable and reliable, and can fundamentally eliminate the risk of the gear and the rack being disengaged. Description of the Drawings

[0022] Figure 1 Schematic structural diagram of the anti - tooth - dropping mechanism of the ash - scraping rack according to the embodiment of the present invention;

[0023] Figure 2 is Figure 1 The enlarged structural diagram at position A in

[0024] Figure 3 Schematic structural diagram of the anti - tooth - dropping component according to the present invention;

[0025] Figure 4 is Figure 1 The enlarged structural diagram at position B in Specific embodiments

[0026] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] The embodiment of the present invention provides an anti - tooth - dropping mechanism for an ash - scraping rack, as Figures 1-4 shown, which includes a power component, a rack component, an ash - scraping component, an anti - tooth - dropping component 2, a rotary fixing component and a top - filling component 9;

[0028] There are two ash - scraping components, which are respectively installed at both ends of the rack component and used to remove the furnace ash collected inside the electrostatic precipitator;

[0029] The power component is used to drive the rack component to move and drive the ash - scraping component;

[0030] There are two anti - tooth - dropping components 2, which are respectively installed at both ends of the rack component and used to prevent the power component from falling off the rack component;

[0031] The top - filling component 9 is installed in the middle of the outer side of the rack component and used to support the rack component;

[0032] The rotary fixing component is used to fix the rack component and the ash - scraping component and is driven by the power component to make a left - and - right swinging motion.

[0033] As Figure 1 and Figure 2 shown, the power component includes a gear 201 and a rotating shaft 202. The gear 201 is sleeved on the rotating shaft 202 and used to drive the gear 201 to rotate.

[0034] As Figure 1As shown in the figure, the rotating and fixing assembly includes a rotating shaft 1, a fixing seat 3, fixing support rods 4, a first reinforcing rib 5 and a second reinforcing rib 6. The fixing seat 3 is used for connecting with the inner wall of the electrostatic precipitator. The rotating shaft 1 is arranged on the fixing seat 3. There are two fixing support rods 4, the first ends of which are connected to the rotating shaft 1, and an included angle is formed between the two fixing support rods 4. The first reinforcing rib 5 and the second reinforcing rib 6 are respectively arranged at the upper and lower ends of the two fixing support rods 4.

[0035] As Figures 1-3 shown in the figure, the rack assembly includes a gear ring 204 and a first transmission shaft pin 203. A plurality of first transmission shaft pins 203 are evenly arranged on the gear ring 204 and are used for driving the gear ring 204 to move after meshing with the gear 201. The two ends of the gear ring 204 are respectively connected to the second ends of the two fixing support rods 4.

[0036] As Figures 1-3 shown in the figure, the gear ring 204 is an arc-shaped structure, and its radian is adapted to the radian of the inner wall of the electrostatic precipitator.

[0037] As Figure 1 shown in the figure, the ash scraping assembly includes a ring beam 10 and ash scraping blocks 7. The two ends of the ring beam 10 are respectively connected to the second ends of the two fixing support rods 4. The ash scraping blocks 7 include two and are respectively arranged at the two ends of the ring beam 10.

[0038] As Figures 1-3 shown in the figure, the anti-detaching tooth assembly includes a second transmission shaft pin 209, a third transmission shaft pin 205, a screw 206, a nut 208 and a spring 207. The second transmission shaft pin 209 and the third transmission shaft pin 205 are arranged outside the first transmission shaft pin 203. Through holes (not shown in the figure) are respectively arranged on both sides of the second transmission shaft pin 209 and the third transmission shaft pin 203. There are two screws 206, which respectively slide through the through holes on both sides of the second transmission shaft pin 209 and the third transmission shaft pin 205 and are fixed by nuts 208. A spring 207 is sleeved on the screw 206. The spring 207 is located between the second transmission shaft pin 209 and the third transmission shaft pin 205, and the two ends of the spring 207 are respectively connected to the second transmission shaft pin 209 and the third transmission shaft pin 205.

[0039] As Figure 1 and Figure 4 shown in the figure, the top charging assembly 9 includes a locking seat 91, a connecting seat 92 and a sliding block 93. One end of the connecting seat 92 is connected to the gear ring 204 through the locking seat 91, and the other end of the connecting seat 92 is connected with a sliding block 93.

[0040] The second embodiment of the present invention provides an electrostatic precipitator, which includes an electrostatic precipitator body and the above-mentioned ash scraping rack anti-detaching tooth mechanism. The ash scraping rack anti-detaching tooth mechanism is arranged inside the electrostatic precipitator body, and the electrostatic precipitator body is cylindrical.

[0041] The working principle of the present invention is as follows:

[0042] As shown Figures 1-4 in the figure, a movable second transmission shaft pin 209 and a third transmission shaft pin 205 are arranged outside the first transmission shaft pin 203 located on the gear ring 204. Through holes with a diameter of about 14 mm are machined on both sides of the second transmission shaft pin 209 and the third transmission shaft pin 205. The two sides of the perforated parts of the second transmission shaft pin 209 and the third transmission shaft pin 205 are machined into planes. The third transmission shaft pin 205 is fixed in the original fixing manner, enabling the second transmission shaft pin 209 to move freely. An M12 screw 206 is passed through between the third transmission shaft pin 205 and the second transmission shaft pin 209. The distance between the third transmission shaft pin 205 and the second transmission shaft pin 209 is kept the same as the distance between multiple first transmission shaft pins 203. Subsequently, a compression spring 207 is passed through the screw 206, and the elastic force of the spring 207 can smoothly push out the second transmission shaft pin 209 appropriately. During normal operation, the gear ring 204 runs synchronously with the rotation of the gear 201. When the gear ring 204 rotates to the outermost second transmission shaft pin 209, due to the limited thrust of the spring 207, the gear 201 cannot effectively push the gear ring 204 to continue rotating, avoiding tooth disengagement. When the gear 201 runs in the reverse direction, due to the action of the elastic force of the spring 207, the second transmission shaft pin 209 is always pushed to the outermost side. At this time, the gear 201 meshes with the second transmission shaft pin 209. At the same time, since the screw 206 can bear a certain load, the reverse operation of the gear 201 and the second transmission shaft pin 209 can be achieved.

[0043] In summary, the present invention increases the operable range of the ash scraping mechanism by arranging a telescopic and movable pin shaft on the original rack, realizes an increase in the ash scraping range, minimizes the amount of ash accumulation inside the dust collector body to the greatest extent, reduces the amount of secondary dust emission, and at the same time, the mechanism is set by mechanical change, which is stable and reliable, and can fundamentally eliminate the risk of tooth disengagement between the gear and the rack.

[0044] In the drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0045] It should be noted that in this text, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, article or device including such element.

[0046] As described above, it is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A tooth anti - detachment mechanism for a putty scraping rack, characterized in that, It includes a power component, a rack component, a dust scraping component, an anti - tooth - detachment component, a rotary fixing component and a top - filling component; There are two of the dust scraping components, which are respectively installed at both ends of the rack component and used to remove the furnace ash collected inside the electrostatic precipitator; The power component is used to drive the rack component to move and drive the dust scraping component; There are two of the anti - tooth - detachment components, which are respectively installed at both ends of the rack component and used to prevent the power component from falling off the rack component; The top - filling component is installed in the middle of the outer side of the rack component and used to support the rack component; The rotary fixing component is used to fix the rack component and the dust scraping component and makes a left - and - right swinging movement driven by the power component; The anti - tooth - detachment component includes a second transmission shaft pin, a third transmission shaft pin, a screw, a nut and a spring. The second transmission shaft pin and the third transmission shaft pin are arranged on the outer side of the first transmission shaft pin. Through holes are respectively arranged on both sides of the second transmission shaft pin and the third transmission shaft pin. The two sides of the opening parts of the second transmission shaft pin and the third transmission shaft pin are processed into planes. There are two screws, which respectively slide through the through holes on both sides of the second transmission shaft pin and the third transmission shaft pin and are fixed by nuts. Springs are sleeved on the screws. The springs are located between the second transmission shaft pin and the third transmission shaft pin, and both ends of the springs are respectively connected with the second transmission shaft pin and the third transmission shaft pin.

2. The anti - tooth - falling mechanism of a putty scraping rack according to claim 1, characterized in that, The power component includes a gear and a rotating shaft. A gear is sleeved on the rotating shaft and used to drive the gear to rotate.

3. The anti - tooth - detachment mechanism of a putty scraping rack according to claim 1 or 2, characterized in that, The rotary fixing component includes a rotating shaft, a fixed seat, fixed support rods, a first reinforcing rib and a second reinforcing rib. The fixed seat is used to connect with the inner wall of the electrostatic precipitator. The rotating shaft is arranged on the fixed seat. There are two fixed support rods. Their first ends are connected with the rotating shaft, and an included angle is formed between the two fixed support rods. The first reinforcing rib and the second reinforcing rib are respectively arranged at the upper and lower ends of the two fixed support rods.

4. The anti - tooth - dropping mechanism of a putty scraping rack according to claim 3, characterized in that, The rack component includes a toothed ring and a first transmission shaft pin. A plurality of first transmission shaft pins are evenly arranged on the toothed ring and used to drive the toothed ring to move after meshing with the gear teeth. Both ends of the toothed ring are respectively connected with the second ends of the two fixed support rods.

5. The anti - tooth - falling mechanism of a putty scraping rack according to claim 4, characterized in that, The toothed ring is in an arc - shaped structure, and its radian is adapted to the radian of the inner wall of the electrostatic precipitator.

6. The anti - tooth - detachment mechanism of a putty scraping rack according to claim 5, characterized in that, The dust scraping component includes a ring beam and dust scraping blocks. Both ends of the ring beam are respectively connected with the second ends of the two fixed support rods. There are two dust scraping blocks and they are respectively arranged at both ends of the ring beam.

7. The anti - tooth - falling mechanism of a putty scraping rack according to claim 6, characterized in that, The top - filling component includes a locking seat, a connecting seat and a sliding block. One end of the connecting seat is connected with the toothed ring through the locking seat, and the other end of the connecting seat is connected with the sliding block.

8. An electrostatic precipitator, characterized in that, It includes an electrostatic precipitator body and the dust scraping and rack anti - tooth - detachment mechanism according to any one of claims 1 - 7. The dust scraping and rack anti - tooth - detachment mechanism is arranged inside the electrostatic precipitator body.

9. An electrostatic precipitator according to claim 8, characterized in that, The electrostatic precipitator body is cylindrical.

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