CN210709770U - Linear moving type dust collecting device - Google Patents
Linear moving type dust collecting device Download PDFInfo
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- CN210709770U CN210709770U CN201921064946.9U CN201921064946U CN210709770U CN 210709770 U CN210709770 U CN 210709770U CN 201921064946 U CN201921064946 U CN 201921064946U CN 210709770 U CN210709770 U CN 210709770U
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Abstract
The utility model discloses a linear movable dust collecting device, including the tripper, ventilation pipeline and travelling car, the both ends of tripper all are provided with a chute, the tripper upper surface intercommunication has the sealed cowling, the ventilation pipeline includes the convulsions branch pipe, the linking tuber, and with linking tuber intercommunication and set up two type of falling V exhaust column on the linking tuber, two convulsions mouth of pipe outer walls and the apex angle outer wall at every type of falling V exhaust column all are provided with a guide roll one, all be provided with a sealed belt one in the both sides of stock pit ore deposit groove, sealed belt one is installed along the type of falling V exhaust column pipe wall that corresponds, the inside of travelling car is provided with guide roll two, be provided with sealed belt two above the ventilation groove, sealed belt two is worn out from the both sides of travelling car. The utility model discloses a sealing belt's setting has not only increased the leakproofness of whole pipeline that gathers dust, prevents simultaneously that the dolly from breaking away from the ventilation groove, and then has improved the effect of gathering dust.
Description
Technical Field
The utility model relates to an environmental protection facility field specifically relates to a linear movable dust arrester installation.
Background
At present, remove the air channel technique, what most of adoption were in traditional handicraft sets up the suction hood respectively in the groove limit of ore deposit groove to set up an electric valve behind the suction hood, with the discharge opening interlock of the dummy car on electric valve and the ore deposit groove, when the dummy car is unloaded, the electric valve on the suction hood is automatic to be opened, takes away the dusty air current in the ore deposit groove, in order to prevent that the dust from overflowing from the discharge opening of dummy car, plays the healthy purpose of environmental protection and on-the-spot workman with this.
However, in the existing dust collecting device for the movable ventilating slot, an air suction pipe is usually arranged on one side of a discharging chute of the discharging trolley, and the air suction pipe is provided with only one air suction opening, so that dust raised from the other side of the discharging chute during discharging is poor in dust removal effect due to the fact that the dust does not have the corresponding air suction opening; in addition, when the movable trolley on the ventilation groove works, the movable trolley mainly moves on the ventilation groove by means of wheels arranged at the bottom, when the unloading trolley is clamped by conveyed ores, if the unloading trolley is not stopped in time, the movable trolley can be derailed from the ventilation groove, the dust collecting effect can be influenced, great potential safety hazards can be brought to workers and daily production, and the whole production operation is stopped seriously or even caused.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims to provide a portable dust arrester installation of linear, the device improves the whole dust collecting effect who gathers dust the pipeline through the improvement to the dolly that moves on pipeline and the ventilation groove that gathers dust.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a linear movable dust collecting device comprises a discharge trolley, an air suction pipeline and a movable trolley, wherein the discharge trolley is arranged above a stock pit ore groove and is communicated with the movable trolley through the air suction pipeline, the movable trolley is arranged above a ventilation groove, the ventilation groove is arranged on one side of the stock pit ore groove, two ends of the discharge trolley are respectively provided with a chute, a sealing cover is arranged above the discharge trolley, two discharge ports of the discharge trolley are respectively communicated with one side of the stock pit ore groove through a chute, and an air inlet of the discharge trolley is connected with the air suction pipeline through the sealing cover;
the exhaust pipeline comprises exhaust branch pipes, connecting air pipes and two inverted V-shaped exhaust pipes, one end of each exhaust branch pipe is communicated with an air inlet of the unloading trolley through a sealing cover, the other end of each exhaust branch pipe is communicated with the connecting air pipe, one end of each connecting air pipe is communicated with the moving trolley, the other end of each connecting air pipe is sequentially communicated with the two inverted V-shaped exhaust pipes, the two inverted V-shaped exhaust pipes are symmetrically arranged at the two ends of the unloading trolley, the top end of each inverted V-shaped exhaust pipe is communicated with the connecting air pipe, and the bottom end of each inverted V-shaped exhaust pipe is communicated with the;
a first guide roller is arranged on the outer wall of the top corner of each inverted V-shaped exhaust pipe and on the outer walls of the two exhaust pipe openings at the bottom end of each inverted V-shaped exhaust pipe, a first rotating shaft is arranged in each first guide roller in a penetrating mode, and each first rotating shaft is rotatably connected with the outer wall of the corresponding inverted V-shaped exhaust pipe through a push rod;
one end of each sealing belt penetrates out of the lower part of the guide roller at one exhaust pipe opening of the corresponding inverted V-shaped exhaust pipe, and the other end of each sealing belt penetrates through the outer wall surface of the corresponding inverted V-shaped exhaust pipe and penetrates out of the lower part of the guide roller at the other exhaust pipe opening of the corresponding inverted V-shaped exhaust pipe;
and four corners inside the moving trolley are equally divided into two guide rollers, a sealing belt II is arranged above the ventilation groove, one end of each sealing belt II penetrates out of the two lower parts of one of the guide rollers close to the ventilation groove in the moving trolley, and the other end of each sealing belt II penetrates out of the two lower parts of the other guide roller close to the ventilation groove.
On the basis of the linear movable dust collecting device, two sides of the ventilating groove are equally divided into two grooves, a limiting rod is equally divided into two sides of the moving trolley, one end of the limiting rod is fixed on the shell of the moving trolley, the other end of the limiting rod is provided with a rolling bearing and extends into the two grooves formed in the same side, and the two sides of the end part of the limiting rod extending into the two grooves are respectively provided with a universal ball.
On the basis of the linear movable dust collecting device, an inner partition plate is further arranged inside the movable trolley, two guide rollers located at four corners inside the movable trolley are both located between the inner partition plate and a shell of the movable trolley, a flange connector is further arranged on one side, close to the connecting air pipe, of the shell of the movable trolley, and the flange connector is communicated with the connecting air pipe through a flange.
On the basis of the linear movable dust collecting device, each chute is linear and is obliquely arranged at the discharge port of the discharge trolley, one end of each chute is communicated with one discharge port of the discharge trolley, and the other end of each chute extends into the material pit mine groove.
On the basis of the linear movable dust collecting device, a sealing plate is arranged between two air draft pipe openings of each inverted V-shaped air draft pipe.
On the basis of the linear movable dust collecting device, two sides of each chute are provided with channel steel, and each chute is fixedly connected with an inverted V-shaped exhaust pipe arranged on the same side through the channel steel arranged on two sides of the chute.
On the basis of the linear movable dust collecting device, every groove I is further formed in the vertex angle of the inverted V-shaped exhaust pipe, so that a guide roller I located at the vertex angle of the inverted V-shaped exhaust pipe is just flush with the outer walls of the two sides of the inverted V-shaped exhaust pipe after the guide roller I is placed into the groove I.
The utility model provides a linear movable dust arrester installation's theory of operation does:
when the whole dust collecting device starts to work, mineral aggregate enters the material pit ore groove from the chute through the dump car, dust generated by falling mineral aggregate enters the inverted V-shaped exhaust pipe along with the exhaust of the two exhaust pipe orifices, and enters the connecting air pipe through the inverted V-shaped exhaust pipe, meanwhile, dust generated by the dust cover on the dump car during feeding also enters the connecting air pipe from the exhaust branch pipe, then enters the movable car through the flange, and finally enters the ventilation groove from the movable car and then enters the external dust collecting device.
Compared with the prior art, the utility model discloses an advantage and beneficial effect are:
in the aspect of sealing performance, the first sealing belt and the sealing plate between the two air draft pipe orifices, which are arranged on the stock pit ore groove, can prevent dust from being blown out of the stock pit ore groove, so that the dust can only be drawn out of the inverted V-shaped air draft pipe, the sealing performance in the whole stock pit ore groove is improved, and a higher dust collecting effect is achieved; meanwhile, the second sealing belt arranged on the ventilation groove can prevent dust entering the ventilation groove from being blown out, so that a better dust conveying effect can be achieved, and the second guide roller and the second sealing belt can prevent the movable trolley from derailing from the ventilation groove together to influence the dust collecting effect of the whole device;
in terms of working efficiency, compared with the inverted U-shaped vertical rising pipeline in the prior art, the pipeline of the exhaust pipe is changed into an inclined pipeline, so that the corner is reduced, dust is prevented from being attached to the inner wall of the corner, the exhaust pipe is prevented from being damaged, the gradient of the dust rising from the exhaust pipe is reduced, the dust can more easily enter the connecting air pipe from the exhaust pipe, and the working efficiency of the whole dust collecting device is increased; simultaneously for having the chute of corner among the prior art, the utility model provides a straight type chute of slope makes in the mineral aggregate can directly reach the stock pit ore deposit groove from the tripper, has reduced the time that the mineral aggregate entered into the stock pit ore deposit groove, has increased whole dust arrester installation's work efficiency.
Drawings
Fig. 1 is a schematic structural view of the linear moving dust collecting apparatus of the present invention;
FIG. 2 is a schematic view of the external structure of the mobile cart in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the mobile cart in FIG. 1;
FIG. 4 is a schematic structural view of the stop lever of FIG. 1;
in the figure: 1. a ventilation slot; 2. a second groove; 3. a second sealing belt; 4. a limiting rod; 4a, a rolling bearing; 5. moving the trolley; 5a, a second guide roller; 5b, an inner partition plate; 5c, a shell; 5d, flange interfaces; 6. a flange 7 and a connecting air pipe; 8. a discharge trolley; 9. an air draft branch pipe; 10. a sealing cover; 11. an inverted V-shaped exhaust pipe; 11a, a first groove; 12. a first guide roller; 13. channel steel; 14. a chute; 15. a sealing plate; 16. a push rod; 17. a first sealing belt; 18. a material pit mine groove.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 4, the linear moving type dust collecting device comprises a discharge trolley 8, an air suction pipeline and a moving trolley 5, wherein the discharge trolley 8 is arranged above a material pit ore groove 18 and is communicated with the moving trolley 5 through the air suction pipeline, the moving trolley 5 is arranged above a ventilation groove 1, the ventilation groove 1 is arranged on one side of the material pit ore groove 18, two ends of the discharge trolley 8 are respectively provided with a chute 14, a sealing cover 10 is arranged above the discharge trolley 8, two discharge ports of the discharge trolley 8 are respectively communicated with one side of the material pit ore groove 18 through the chute 14, and an air inlet of the discharge trolley 8 is connected with the air suction pipeline through the sealing cover 10;
the exhaust pipeline comprises an exhaust branch pipe 9, a connecting air pipe 7 and two inverted V-shaped exhaust pipes 11, one end of the exhaust branch pipe 9 is communicated with an air inlet of the discharging trolley 8 through a sealing cover 10, the other end of the exhaust branch pipe is communicated with the connecting air pipe 7, one end of the connecting air pipe 7 is communicated with the moving trolley 5, the other end of the connecting air pipe is sequentially communicated with the two inverted V-shaped exhaust pipes 11, the two inverted V-shaped exhaust pipes 11 are symmetrically arranged at two ends of the discharging trolley 8, the top end of each inverted V-shaped exhaust pipe 11 is communicated with the connecting air pipe 7, and the bottom end of each inverted V-shaped exhaust pipe;
a first guide roller 12 is arranged on the outer wall of the top corner of each inverted V-shaped exhaust pipe 11 and on the outer walls of the two exhaust pipe openings at the bottom end of each inverted V-shaped exhaust pipe 11, a first rotating shaft is arranged in each first guide roller 12 in a penetrating mode, and each first rotating shaft is rotatably connected with the outer wall of the corresponding inverted V-shaped exhaust pipe 11 through a push rod 16;
two sides of a material pit ore groove 18 are respectively provided with a first sealing belt 17, one end of each first sealing belt 17 penetrates out of the lower part of a first guide roller 12 at one exhaust pipe opening of the corresponding inverted V-shaped exhaust pipe 11, and the other end of each first sealing belt 17 penetrates through the outer wall surface of the corresponding inverted V-shaped exhaust pipe 11 and penetrates out of the lower part of a first guide roller 12 at the other exhaust pipe opening of the corresponding inverted V-shaped exhaust pipe 11;
four corners inside the movable trolley 5 are respectively provided with a second guide roller 5a, a second sealing belt 3 is arranged above the ventilation groove 1, one end of the second sealing belt 3 penetrates out of the lower part of one second guide roller 5a close to the ventilation groove 1 in the movable trolley 5, and the other end of the second sealing belt penetrates out of the lower part of the other second guide roller 5a close to the ventilation groove 1;
the first sealing belt 17 arranged on the material pit ore groove 18 can prevent dust from being raised out of the material pit ore groove 18, so that the dust can be only pumped out of the inverted V-shaped air pumping pipe 11, the sealing performance in the whole material pit ore groove 18 is improved, and a high dust collecting effect is achieved; simultaneously, the second sealing belt 3 arranged on the ventilation groove 1 can prevent dust entering the ventilation groove 1 from being raised, a better dust conveying effect can be achieved, and the second guide roller 5a and the second sealing belt 3 can prevent the movable trolley 5 from derailing from the ventilation groove 1 together to influence the dust collecting effect of the whole device.
Referring to fig. 1 to 4, in the present embodiment, two sides of the ventilation slot 1 are respectively provided with a second groove 2, two sides of the moving trolley 5 are respectively provided with a limiting rod 4, one end of each limiting rod 4 is fixed on the outer shell 5c of the moving trolley 5, the other end is provided with a rolling bearing 4a and extends into the second groove 2 arranged on the same side, and two sides of the end portion of each limiting rod 4 extending into the second groove 2 are respectively provided with a universal ball; except that the second internal seal belt 3 and the second guide roller 5a of the movable trolley 5 can prevent the movable trolley 5 from derailing from the ventilation groove 1, the limiting rod 4 on the shell can deeply penetrate into the second groove 2 and can also play a limiting role for the movable trolley 5, the movable trolley 5 is prevented from derailing from the ventilation groove 1, and meanwhile, the universal ball can prevent the limiting rod 4 and the second groove 2 from colliding and rubbing, so that the inner wall of the second groove 2 is damaged.
Referring to fig. 1 to 4, in the embodiment, an inner partition 5b is further disposed inside the moving trolley 5, two guide rollers 5a located at four corners inside the moving trolley 5 are both located between the inner partition 5b and the outer shell 5c of the moving trolley 5, a flange connector 5d is further disposed on one side of the outer shell 5c of the moving trolley 5, which is close to the connecting air duct 7, and the flange connector 5d is communicated with the connecting air duct 7 through a flange 6; the inner partition plate 5b can protect the second guide roller 5a and the second sealing belt 3, so that the second guide roller 5a and the second sealing belt 3 are prevented from being damaged by dust passing through the moving trolley 5, and meanwhile, the dust is prevented from being attached to the second guide roller 5a and the second sealing belt 3, so that friction is increased, and the moving of the moving trolley 5 is influenced.
Referring to fig. 1 to 4, in the embodiment, each chute 14 is linear and is obliquely arranged at the discharge port of the discharge trolley 8, one end of each chute 14 is communicated with one discharge port of the discharge trolley 8, and the other end of each chute 14 extends into the pit mine groove 18; the straight chute 14 cancels a corner relative to the existing chute 14, and when the ore flows from the discharging trolley 8 to the chute 14, the ore can quickly slide into the stock pit ore groove 18, so that the working efficiency is increased, and meanwhile, the ore can be prevented from impacting the corner to damage the inner wall of the chute 14.
Referring to fig. 1 to 4, in this embodiment, a sealing plate 15 is further disposed between two exhaust nozzles of each inverted V-shaped exhaust pipe 11, and since the ore groove sealing belt bypasses the space between the two exhaust nozzles of the inverted V-shaped exhaust pipe 11, when in operation, dust will drift out from the ore groove, but after the sealing plate 15 is added, the sealing performance of the ore groove can be increased, so that the dust can only be extracted from the two exhaust nozzles, thereby achieving a better dust collecting effect.
Referring to fig. 1 to 4, in the embodiment, two sides of each chute 14 are further provided with a channel steel 13, and each chute 14 is correspondingly connected and fixed with the inverted V-shaped exhaust pipes 11 arranged on the same side through the channel steel 13 arranged on the two sides of the chute 14; the channel steel 13 is utilized to fix the body of the inverted V-shaped exhaust pipe 11 and the chute 14 together, so that the problem of poor dust collection effect caused by mechanical vibration is solved.
Referring to fig. 1 to 4, in the embodiment, a first groove 11a is further formed at the vertex angle of each inverted V-shaped exhaust pipe 11, and after the first groove 11a is placed in the first guide roller 12 located at the vertex angle of the inverted V-shaped exhaust pipe 11, two ends of the first guide roller are exactly flush with the outer walls of two sides of the inverted V-shaped exhaust pipe 11; the first guide roller 12 embedded in the first groove enables a gap between the first sealing belt passing through the surface of the first guide roller and the pipe wall of the inverted V-shaped exhaust pipe 11 to be reduced, and other foreign matters are prevented from falling into the gap to influence the operation of the equipment.
The utility model provides a linear movable dust arrester installation's theory of operation does:
when the whole dust collecting device starts to work, mineral aggregate enters the material pit ore groove 18 from the chute 14 through the discharging trolley 8, dust generated by mineral aggregate falling is blown into the inverted V-shaped exhaust pipe 11 along with air draft of the two exhaust pipe orifices, the dust enters the connecting air pipe 7 through the inverted V-shaped exhaust pipe 11, meanwhile, dust generated by a dust cover on the discharging trolley 8 during feeding also enters the connecting air pipe 7 from the exhaust branch pipe 9, then enters the moving trolley 5 through the flange 6, finally enters the ventilation groove 1 from the moving trolley 5, and then enters the external dust collecting device.
Finally, the above description is only the embodiments of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. Linear movable dust arrester installation, including dump truck (8), suction line and travelling car (5), dump truck (8) set up in the top of stock pit ore deposit groove (18) to through the suction line with travelling car (5) intercommunication, travelling car (5) set up the top at ventilation groove (1), ventilation groove (1) set up one side of stock pit ore deposit groove (18), its characterized in that: two ends of the discharge trolley (8) are respectively provided with a chute (14), a sealing cover (10) is arranged above the discharge trolley (8), two discharge ports of the discharge trolley (8) are respectively communicated with one side of the stock pit ore trough (18) through a chute (14), and an air inlet of the discharge trolley (8) is connected with the air exhaust pipeline through the sealing cover (10);
the air draft pipeline comprises air draft branch pipes (9), a connecting air pipe (7) and two inverted V-shaped air draft pipes (11), one end of each air draft branch pipe (9) is communicated with an air inlet of the unloading trolley (8) through a sealing cover (10), the other end of each air draft branch pipe is communicated with the connecting air pipe (7), one end of each connecting air pipe (7) is communicated with the movable trolley (5), the other end of each connecting air pipe is sequentially communicated with the two inverted V-shaped air draft pipes (11), the two inverted V-shaped air draft pipes (11) are symmetrically arranged at two ends of the unloading trolley (8), the top end of each inverted V-shaped air draft pipe (11) is communicated with the connecting air pipe (7), and the bottom end of each inverted V-shaped air draft pipe is communicated with;
a first guide roller (12) is arranged on the outer wall of the top corner of each inverted V-shaped exhaust pipe (11) and on the outer walls of the two exhaust pipe openings at the bottom end of each inverted V-shaped exhaust pipe (11), a first rotating shaft is arranged in each first guide roller (12) in a penetrating manner, and each first rotating shaft is rotatably connected with the outer wall of the corresponding inverted V-shaped exhaust pipe (11) through a push rod (16);
two sides of the material pit ore groove (18) are respectively provided with a first sealing belt (17), one end of each first sealing belt (17) penetrates out from the lower part of a first guide roller (12) at one exhaust pipe opening of the corresponding inverted V-shaped exhaust pipe (11), and the other end of each first sealing belt (17) penetrates out along the outer wall surface of the corresponding inverted V-shaped exhaust pipe (11) and penetrates out from the lower part of a first guide roller (12) at the other exhaust pipe opening of the corresponding inverted V-shaped exhaust pipe (11);
remove inside four angles departments of dolly (5) and equally divide and do not be provided with a guide roll two (5a) ventilation groove (1) top is provided with a sealed belt two (3), sealed belt two (3) one end is worn out from one of them guide roll two (5a) below of pressing close to ventilation groove (1) in travelling car (5), and the other end is worn out from another guide roll two (5a) below of pressing close to ventilation groove (1).
2. The dust collecting apparatus of claim 1, wherein: the both sides of draft slot (1) are equallyd divide and do not are provided with a recess two (2) the both sides of travelling car (5) are equallyd divide and do not are provided with a gag lever post (4), every gag lever post (4) one end is fixed on shell (5c) of travelling car (5), and the other end is provided with antifriction bearing (4a) and goes deep into in recess two (2) that the homonymy was equipped with, just is in gag lever post (4) all still is provided with a universal ball respectively to the tip both sides in stretching into recess two (2).
3. The dust collecting apparatus of claim 1, wherein: an inner partition plate (5b) is further arranged inside the movable trolley (5), two guide rollers (5a) located at four corners inside the movable trolley (5) are located between the inner partition plate (5b) and a shell (5c) of the movable trolley (5), a flange connector (5d) is further arranged on one side, close to the connecting air pipe (7), of the shell (5c) of the movable trolley (5), and the flange connector (5d) is communicated with the connecting air pipe (7) through a flange (6).
4. The dust collecting apparatus of claim 1, wherein: each chute (14) is of a linear type and is obliquely arranged at a discharge port of the discharging trolley (8), one end of each chute (14) is communicated with one discharge port of the discharging trolley (8), and the other end of each chute (14) extends into the material pit ore trough (18).
5. The dust collecting apparatus of claim 2, wherein: and a sealing plate (15) is also arranged between the two air draft pipe openings of each inverted V-shaped air draft pipe (11).
6. The dust collecting apparatus of claim 2, wherein: each channel steel (13) is further arranged on each of two sides of the chute (14), and each chute (14) is correspondingly connected and fixed with the inverted V-shaped exhaust pipe (11) arranged on the same side through the channel steel (13) arranged on the two sides of the chute (14).
7. The dust collecting apparatus of claim 2, wherein: the vertex angle of each inverted V-shaped exhaust pipe (11) is also provided with a first groove (11a), and after the first grooves (11a) enable the first guide rollers (12) positioned at the vertex angle of the inverted V-shaped exhaust pipe (11) to be placed in, the two ends of the first guide rollers are exactly level with the outer walls of the two sides of the inverted V-shaped exhaust pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064946.9U CN210709770U (en) | 2019-07-09 | 2019-07-09 | Linear moving type dust collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064946.9U CN210709770U (en) | 2019-07-09 | 2019-07-09 | Linear moving type dust collecting device |
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| Publication Number | Publication Date |
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| CN210709770U true CN210709770U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921064946.9U Active CN210709770U (en) | 2019-07-09 | 2019-07-09 | Linear moving type dust collecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111776789A (en) * | 2020-08-04 | 2020-10-16 | 芜湖华洁环保设备有限公司 | Multi-functional removal dolly that metallurgical workshop was used |
| CN114871573A (en) * | 2022-04-24 | 2022-08-09 | 佛山汇百盛激光科技有限公司 | Follow-up air draft structure |
-
2019
- 2019-07-09 CN CN201921064946.9U patent/CN210709770U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111776789A (en) * | 2020-08-04 | 2020-10-16 | 芜湖华洁环保设备有限公司 | Multi-functional removal dolly that metallurgical workshop was used |
| CN114871573A (en) * | 2022-04-24 | 2022-08-09 | 佛山汇百盛激光科技有限公司 | Follow-up air draft structure |
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Address after: 430080 No. 1244 Heping Avenue, Qingshan District, Hubei, Wuhan Patentee after: Wuhan Qingcheng Ecological Environment Technology Co.,Ltd. Address before: 430080 No. 1244 Heping Avenue, Qingshan District, Hubei, Wuhan Patentee before: WUHAN QINGCHENG ENVIRONMENTAL PROTECTION TECH. & ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |