CN210374778U - Bore cleaning robot - Google Patents
Bore cleaning robot Download PDFInfo
- Publication number
- CN210374778U CN210374778U CN201921321499.0U CN201921321499U CN210374778U CN 210374778 U CN210374778 U CN 210374778U CN 201921321499 U CN201921321499 U CN 201921321499U CN 210374778 U CN210374778 U CN 210374778U
- Authority
- CN
- China
- Prior art keywords
- roller
- bevel gear
- bore
- motor
- circular plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a bore cleaning robot, which comprises a cleaning mechanism, a transmission mechanism, a motor and a support frame; the cleaning mechanism comprises a roller and a brush; the transmission mechanism comprises a main gear, a pinion, a first bevel gear, a second bevel gear, a first roller carrier and a second roller carrier; the round of the side wall of the roller is fixedly provided with a hairbrush, the supporting frame comprises a round plate and a plurality of supporting columns with the same size, the round plate is fixedly installed at the upper ends of the supporting columns, the motor is fixedly connected with the round plate through bolts, an output shaft of the motor penetrates through the round plate and is connected with the roller through a flat key, an output shaft of the motor is connected with a main gear through a flat key between the roller and the round plate, the main gear sequentially drives an auxiliary gear and a pinion, and the pinion drives a bevel gear to further drive the whole barrel cleaning robot to move back and forth. The robot drives the roller to rotate through the motor to clean the bore, and meanwhile, the motor drives the robot to move back and forth through the gear transmission mechanism, so that the cleaning efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of the robot design, concretely relates to bore clearance robot.
Background
The bore cleaning robot is a device capable of replacing manpower to clean the bore. When the artillery is used for shooting shells, sundries such as copper scraps or gunpowder residues are inevitably left on the inner wall of a gun bore, a gun cleaning rod with the same length as a gun barrel is generally adopted for manually cleaning the gun bore, a brush for cleaning is arranged at the end part of the gun cleaning rod, cleaning liquid is poured into a gun barrel firstly when the artillery is cleaned, and then the brush is used for repeatedly cleaning, so that the cleaning mode is time-consuming, labor-consuming and low in efficiency. The existing gun bore cleaning device is provided with a driving mechanism at the position of a brush of a gun wiping rod, and a motor is used for driving the brush to reciprocate to clean the gun bore. Although this kind of mode is convenient some than manual cleaning, still need have the operation of manpower, and wipe the big gun pole longer, carry and use all inconvenient, cleaning efficiency is not high, can not guarantee whether the bore by the clean up. To artifical clearance barrel waste time and energy, inefficiency scheduling problem, this patent has designed a bore clearance robot, can effectively improve the efficiency of bore clearance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide a bore clearance robot.
In order to realize the technical purpose, the utility model discloses the technical scheme who takes does:
a bore clearing robot, wherein: comprises a cleaning mechanism, a transmission mechanism, a motor and a support frame; the cleaning mechanism comprises a roller and a brush; the transmission mechanism comprises a main gear, a pinion, a first bevel gear, a second bevel gear, a first roller carrier, a second roller carrier, a first long shaft and a second long shaft;
a brush is fixed on one circle of the outer side wall of the roller, the support frame comprises a circular plate and a plurality of support columns with the same size, the circular plate is fixedly installed at the upper ends of the support columns, the motor is fixedly connected with the circular plate through bolts, an output shaft of the motor penetrates through the circular plate and is in flat key connection with the roller, a main gear is in flat key connection between the roller and the circular plate and surrounds one circle of the main gear, a plurality of auxiliary gears are connected with each auxiliary gear, each auxiliary gear is connected with a pinion, the auxiliary gears are in flat key connection with a first long shaft, the lower end of the first long shaft is fixed on the circular plate, the pinions are in flat key connection with a second long shaft, the second long shaft penetrates through the circular plate and is in flat key connection with a first bevel gear at the lower end of the second long shaft, and the;
the first roller carrier and the second roller carrier are identical in structure, the first roller carrier is installed at the upper end of the support column, the second roller carrier is installed at the lower end of the support column, the first roller carrier comprises a driving frame, three driving wheels and three pairs of first supports, the driving frame is horizontally and fixedly connected onto the support column through bolts, the three pairs of first supports are equidistantly distributed on the outer side wall of the driving frame, a rotating shaft is inserted on the first supports, a driving wheel is connected to a flat key on the rotating shaft between the first supports, a second bevel gear is connected to one end of the rotating shaft close to the first bevel gear through a flat key, the second bevel gear is meshed with the first bevel gear, the first bevel gear drives a second bevel gear to further drive the driving wheels to rotate, and finally the gun bore cleaning robot is driven to move back and forth.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the roller is connected with the end face of the motor output shaft through a bolt, a first sleeve and a second sleeve are mounted on the motor output shaft, the first sleeve is mounted between the main gear and the roller, the second sleeve is mounted between the main gear and the circular plate, and a bearing is mounted between the motor output shaft and the circular plate.
The auxiliary gears are three, sleeve cups are arranged on the first long shaft and the second long shaft, an upper bearing and a lower bearing are arranged between the sleeve cups and a shaft connected with the sleeve cups, the bearings are respectively positioned at the top end and the bottom end of the sleeve cup, a first annular snap spring is arranged below the bearing at the bottom end of the sleeve cup, the sleeve cup penetrates through the circular plate, and the sleeve cup is fixed with the circular plate through bolts.
The pinion is in bolt connection with the top end face of the second long shaft, the pinion is in bolt connection with the top end face of the first long shaft, and the first bevel gear is in bolt connection with the bottom end face of the second long shaft.
Second annular snap springs are installed at two ends of the driving wheel on the rotating shaft, and a bearing is installed between the support and the rotating shaft.
The second roller carrier comprises a driven frame, three driven wheels and three pairs of second supports, the interval between each two of the driving wheels and the corresponding driven wheel is 120 degrees, the driving wheels and the driven wheels are made of rubber materials, and the driving wheels and the driven wheels are located on the same vertical plane.
The robot for cleaning the gun bore further comprises a camera and a lighting lamp, wherein the camera and the lighting lamp are fixedly mounted on the lower surface of the second roller carrier at the lower end of the support column.
Foretell clearance mechanism still includes jet-propelled pipe, spouts oil pipe and shower nozzle, shower nozzle fixed mounting is in jet-propelled pipe and spouts oil pipe upper end, jet-propelled pipe, spout the crisscross circumference of oil pipe and distribute in circular slab upper surface outer lane, the circular slab with jet-propelled pipe, spout the oil pipe junction and offer the screw thread through-hole for connect the pipeline of external fueling injection equipment and fueling injection equipment, jet-propelled pipe and fuel spout pipe angle lean out to making jet-propelled and oil spout route not sheltered from by the cylinder.
The utility model has the advantages that:
1. compared with the existing cleaning mode, the bore cleaning robot has the advantages that the bore is cleaned in a rotating mode through the motor driving roller, meanwhile, the motor drives the bore cleaning robot to move back and forth through the gear transmission mechanism, manual operation is not needed, and cleaning efficiency is high.
2. This bore clearance robot is in the clearance mode except utilizing the brush clearance on the cylinder, still blows away the residue that the brush cleared up down through jet-propelled pipe, and dual clearance ensures clean up thoroughly.
3. The gun bore cleaning robot further performs oil spraying protection on the gun bore after cleaning through the oil spraying pipe.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection structure of the drum and the motor;
FIG. 3 is a schematic view of a gear transmission configuration;
FIG. 4 is a schematic view of the connection structure of the second long shaft and the first bevel gear;
FIG. 5 is a schematic view of a wheel distribution;
FIG. 6 is a schematic view of the power transmission of the driving wheel;
fig. 7 is a schematic diagram of the working structure of the bore cleaning robot in the bore.
The reference signs are: the device comprises a motor 1, a support frame 2, a circular plate 2-1, a support column 2-2, a roller 3, a brush 4, a main gear 5, a pinion 6, a pinion 7, a first bevel gear 8, a second bevel gear 9, a first roller carrier 10, a driving carrier 10-1, a driving wheel 10-2, a first support 10-3, a second roller carrier 11, a driven carrier 11-1, a driven wheel 11-2, a second support 11-3, a first long shaft 12, a second long shaft 13, a first sleeve 14, a second sleeve 15, a sleeve cup 16, a first annular clamp spring 17, a second annular clamp spring 18, a camera 19, an illuminating lamp 20, an air injection pipe 21, an oil injection pipe 22 and a spray head 23.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model relates to a bore cleaning robot, wherein: comprises a cleaning mechanism, a transmission mechanism, a motor 1 and a support frame 2; the cleaning mechanism comprises a roller 3 and a brush 4; the transmission mechanism comprises a main gear 5, a pinion 6, a pinion 7, a first bevel gear 8, a second bevel gear 9, a first roller frame 10, a second roller frame 11, a first long shaft 12 and a second long shaft 13;
a brush 4 is fixed on the outer side wall of the roller 3 in a circle, the support frame 2 comprises a circular plate 2-1 and a plurality of support columns 2-2 with the same size, the circular plate 2-1 is fixedly arranged at the upper end of the support column 2-2, the motor 1 is fixedly connected with the circular plate 2-1 through bolts, the output shaft of the motor 1 passes through the circular plate 2-1 and is in flat key connection with the roller 3, a main gear 5 is in flat key connection between the roller 3 and the circular plate 2-1 and surrounds the main gear 5 in a circle to be connected with a plurality of pinion gears 6, each pinion gear 6 is connected with a pinion 7, the pinion gears 6 are in flat key connection with a first long shaft 12, the lower end of the first long shaft 12 is fixed on the circular plate 2-1, the pinion gears 7 are in flat key connection with a second long shaft 13, the second long shaft 13 passes through the circular plate 2-1 and is in flat key connection with a first bevel gear 8 at the, the first bevel gear 8 further drives a driving wheel (10-2) to rotate, and finally drives the bore cleaning robot to move back and forth;
the first roller carrier 10 and the second roller carrier 11 have the same structure, the first roller carrier 10 is installed at the upper end of a support column 2-2, the second roller carrier 11 is installed at the lower end of the support column 2-2, the first roller carrier 10 comprises a driving carrier 10-1, three driving wheels 10-2 and three pairs of first supports 10-3, the driving carrier 10-1 is horizontally and fixedly connected to the support column 2-2 through bolts, the outer side wall of the driving carrier 10-1 is equidistantly provided with three pairs of first supports 10-3, a rotating shaft is inserted on the first supports 10-3, the rotating shaft between the first supports 10-3 is connected with the driving wheels 10-2 through flat keys, one end of the rotating shaft close to a first bevel gear 8 is connected with a second bevel gear 9 through flat keys, the second bevel gear 9 is in gear engagement with the first bevel gear 8, the first bevel gear 8 drives the second bevel gear 9 to further drive the driving wheel 10-2 to rotate, and finally the bore cleaning robot is driven to move back and forth.
In the embodiment, the roller 3 is connected with the end face of the output shaft of the motor 1 through a bolt, the output shaft of the motor 1 is provided with a first sleeve 14 and a second sleeve 15, the first sleeve 14 is arranged between the main gear 5 and the roller 3, the second sleeve 15 is arranged between the main gear 5 and the circular plate 2-1, and a bearing is arranged between the output shaft of the motor 1 and the circular plate 2-1.
In the embodiment, the number of the pinion gears 6 is three, the first long shaft 12 and the second long shaft 13 are both provided with a sleeve cup 16, an upper bearing and a lower bearing are arranged between the sleeve cup 16 and a shaft connected with the sleeve cup 16, the bearings are respectively positioned at the top end and the bottom end of the sleeve cup 16, a first annular snap spring 17 is arranged below the bearing at the bottom end of the sleeve cup 16, the sleeve cup 16 penetrates through the circular plate 2-1, and the sleeve cup 16 is fixed with the circular plate 2-1 through a bolt.
In the embodiment, the pinion 7 is bolted with the top end face of the second long shaft 13, the pinion 6 is bolted with the top end face of the first long shaft 12, and the first bevel gear 8 is bolted with the bottom end face of the second long shaft 13.
In the embodiment, the two ends of the driving wheel 10-2 on the rotating shaft are both provided with second annular snap springs 18, and a bearing is arranged between the support 10-3 and the rotating shaft.
In the embodiment, the second roller frame 11 comprises a driven frame 11-1, three driven wheels 11-2 and three pairs of second support seats 11-3, the driving wheel 10-2 and the driven wheels 11-2 are spaced at intervals of 120 degrees in pairs, the driving wheel 10-2 and the driven wheels 11-2 are made of rubber materials, and the driving wheel 10-2 and the driven wheels 11-2 are located on the same vertical plane.
In the embodiment, the bore cleaning robot further comprises a camera 19 and an illuminating lamp 20, and the camera 19 and the illuminating lamp 20 are both fixedly installed on the lower surface of the second roller frame 11 at the lower end of the support column 2-2.
In the embodiment, the cleaning mechanism further comprises an air injection pipe 21, an oil injection pipe 22 and a spray head 23, the spray head 23 is fixedly installed at the upper ends of the air injection pipe 21 and the oil injection pipe 22, the air injection pipe 21 and the oil injection pipe 22 are circumferentially distributed on the outer ring of the upper surface of the circular plate 2-1 in a staggered manner, threaded through holes are formed in the joints of the circular plate 2-1, the air injection pipe 21 and the oil injection pipe 22 and used for connecting pipelines externally connected with an oil injection device and an air injection device, and the air injection pipe 21 and the oil injection pipe 22 are inclined outwards at an angle to enable an air injection path and an oil injection path not.
The utility model discloses a use method as follows:
as shown in fig. 7, firstly, an air injection pipeline and an oil injection pipeline are externally connected to the threaded through holes at the lower ends of an air injection pipe 21 and an oil injection pipe 22, the air injection pipeline and the oil injection pipeline are connected with an air injection device and an oil injection device, a motor 1 is started, a main gear 5 on an output shaft of the motor 1 rotates along with an output shaft of the motor 1, then the main gear 5 drives three auxiliary gears 6 to rotate, each auxiliary gear 6 drives a pinion 7 to rotate, the pinion 7 drives a first bevel gear 8 to rotate through a second long shaft 13, the first bevel gear 8 drives a second bevel gear 9 to rotate sequentially, the second bevel gear 9 drives a driving wheel 10-2 to rotate, the driving wheel 10-2 drives a first roller frame 10 to move, and as the first roller frame 10 and the second roller frame 11 are fixedly connected with a support frame 2, the robot moves back and forth under.
Meanwhile, the motor 1 drives the roller 3 to rotate, the brush 4 on the roller 3 continuously cleans residues on the inner wall of the bore when the robot moves forward, and the air jet pipe 20 on the circular plate 2-1 jets air to blow away the residues cleaned by the brush, so that the residues are prevented from being pressed on the inner wall by the roller.
After the bore cleaning operation is completed, the roller 3 is detached, the bore cleaning robot is placed into the bore to perform oil spraying operation, and the three oil spraying pipes 21 spray oil to the inner wall of the cleaned bore to complete the maintenance operation of the bore.
In cleaning and painting operations, the illuminating lamp 19 and the camera 18 are turned on, and whether the inner wall of the bore is cleaned is detected.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (8)
1. A bore cleaning robot, its characterized in that: comprises a cleaning mechanism, a transmission mechanism, a motor (1) and a support frame (2); the cleaning mechanism comprises a roller (3) and a brush (4); the transmission mechanism comprises a main gear (5), a pinion (6), a pinion (7), a first bevel gear (8), a second bevel gear (9), a first roller carrier (10), a second roller carrier (11), a first long shaft (12) and a second long shaft (13);
the outer side wall of the roller (3) is fixed with a brush (4) in a circle, the support frame (2) comprises a circular plate (2-1) and a plurality of support columns (2-2) with the same size, the circular plate (2-1) is fixedly installed at the upper ends of the support columns (2-2), the motor (1) is fixedly connected with the circular plate (2-1) through bolts, an output shaft of the motor (1) penetrates through the circular plate (2-1) and is connected with the roller (3) in a flat key manner, a main gear (5) is connected between the roller (3) and the circular plate (2-1) in a flat key manner through an output shaft of the motor (1), a plurality of auxiliary gears (6) are connected around the main gear (5) in a circle, each auxiliary gear (6) is connected with a pinion (7), and the auxiliary gears (6) are connected with a first long shaft (12) in a, the lower end of the first long shaft (12) is fixed on the circular plate (2-1), the pinion (7) is connected with the second long shaft (13) in a flat key mode, the second long shaft (13) penetrates through the circular plate (2-1) and is connected with the first bevel gear (8) in a flat key mode at the lower end of the second long shaft (13), and the first bevel gear (8) drives the first roller carrier (10) to move back and forth along the bore;
the first roller carrier (10) and the second roller carrier (11) have the same structure, the first roller carrier (10) is installed at the upper end of a support column (2-2), the second roller carrier (11) is installed at the lower end of the support column (2-2), the first roller carrier (10) comprises a driving frame (10-1), three driving wheels (10-2) and three pairs of first supports (10-3), the driving frame (10-1) is horizontally and fixedly connected to the support column (2-2) through bolts, the outer side wall of the driving frame (10-1) is equidistantly provided with three pairs of first supports (10-3), a rotating shaft penetrates through the first supports (10-3), the rotating shaft between the first supports (10-3) is flatly connected with the driving wheels (10-2), and one end of the rotating shaft close to the first bevel gear (8) is flatly connected with a second bevel gear (9), the second bevel gear (9) is in gear engagement with the first bevel gear (8), the first bevel gear (8) drives the second bevel gear (9) to further drive the driving wheel (10-2) to rotate, and finally the gun bore cleaning robot is driven to move back and forth.
2. A bore clearing robot according to claim 1, wherein: the drum (3) is connected with the end face of an output shaft of the motor (1) through a bolt, a first sleeve (14) and a second sleeve (15) are mounted on the output shaft of the motor (1), the first sleeve (14) is mounted between the main gear (5) and the drum (3), the second sleeve (15) is mounted between the main gear (5) and the circular plate (2-1), and a bearing is mounted between the output shaft of the motor (1) and the circular plate (2-1).
3. A bore clearing robot according to claim 1, wherein: the auxiliary gears (6) are three, the first long shaft (12) and the second long shaft (13) are respectively provided with a sleeve cup (16), an upper bearing and a lower bearing are arranged between the sleeve cup (16) and a shaft connected with the sleeve cup, the bearings are respectively positioned at the top end and the bottom end of the sleeve cup (16), a first annular snap spring (17) is arranged below the bearing at the bottom end of the sleeve cup (16), the sleeve cup (16) penetrates through the circular plate (2-1), and the sleeve cup (16) is fixed with the circular plate (2-1) through a bolt.
4. A bore clearing robot according to claim 1, wherein: the pinion (7) is in bolt connection with the top end face of the second long shaft (13), the pinion (6) is in bolt connection with the top end face of the first long shaft (12), and the first bevel gear (8) is in bolt connection with the bottom end face of the second long shaft (13).
5. A bore clearing robot according to claim 1, wherein: and second annular snap springs (18) are arranged at two ends of the driving wheel (10-2) on the rotating shaft, and a bearing is arranged between the support (10-3) and the rotating shaft.
6. A bore clearing robot according to claim 1, wherein: the second roller carrier (11) comprises a driven carrier (11-1), three driven wheels (11-2) and three pairs of second supports (11-3), the driving wheel (10-2) and the driven wheels (11-2) are spaced at intervals of 120 degrees in pairs, the driving wheel (10-2) and the driven wheels (11-2) are made of rubber, and the driving wheel (10-2) and the driven wheels (11-2) are located on the same vertical plane.
7. A bore clearing robot according to claim 1, wherein: the bore cleaning robot further comprises a camera (19) and an illuminating lamp (20), wherein the camera (19) and the illuminating lamp (20) are fixedly mounted on the lower surface of a second roller carrier (11) at the lower end of the support column (2-2).
8. A bore clearing robot according to claim 1, wherein: the clearance mechanism still includes jet-propelled pipe (21), spouts oil pipe (22) and shower nozzle (23), shower nozzle (23) fixed mounting is in jet-propelled pipe (21) and spouts oil pipe (22) upper end, jet-propelled pipe (21), spout the crisscross circumference distribution of oil pipe (22) in circular slab (2-1) upper surface outer lane, the screw through-hole has been seted up with jet-propelled pipe (21), spout oil pipe (22) junction in circular slab (2-1) for connect the pipeline of external fueling injection equipment and fueling injection equipment, jet-propelled pipe (21) and spout oil pipe (22) angle lean out to make jet-propelled and oil spout route not sheltered from by cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921321499.0U CN210374778U (en) | 2019-08-15 | 2019-08-15 | Bore cleaning robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921321499.0U CN210374778U (en) | 2019-08-15 | 2019-08-15 | Bore cleaning robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210374778U true CN210374778U (en) | 2020-04-21 |
Family
ID=70250752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921321499.0U Expired - Fee Related CN210374778U (en) | 2019-08-15 | 2019-08-15 | Bore cleaning robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210374778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360874A (en) * | 2019-08-15 | 2019-10-22 | 南京林业大学 | A kind of bore cleaning robot |
-
2019
- 2019-08-15 CN CN201921321499.0U patent/CN210374778U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360874A (en) * | 2019-08-15 | 2019-10-22 | 南京林业大学 | A kind of bore cleaning robot |
| CN110360874B (en) * | 2019-08-15 | 2023-06-02 | 南京林业大学 | Bore cleaning robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103692325B (en) | A kind of inner-walls of duct automatic rust-removing paint spraying apparatus | |
| CN104056826B (en) | Large diameter steel pipe Autoamtic internal wall cleaner | |
| CN109226123A (en) | A kind of pipeline water jet cleaning robot | |
| CN210374778U (en) | Bore cleaning robot | |
| CN110788091A (en) | Device and method for cleaning inner wall of food-grade steel pipe | |
| CN203636565U (en) | Automatic derusting and paint spraying equipment for inner walls of pipelines | |
| CN110360874B (en) | Bore cleaning robot | |
| CN113695327A (en) | Novel pipeline rust cleaning robot with variable diameter | |
| CN110883657B (en) | Polishing device for nodular cast iron jacking pipe and using method thereof | |
| CN204672644U (en) | Channel washer | |
| CN210876622U (en) | Be used for old and useless oil pipe dirt to detect and belt cleaning device | |
| CN216095358U (en) | Steel pipe inner wall degreasing device for hardware processing | |
| CN210045704U (en) | Petroleum pipeline dredging device | |
| CN211726879U (en) | High-efficient wash-bottle device | |
| CN108374416B (en) | High-pressure water jet pile head breaking equipment | |
| CN114809688B (en) | Building decoration wall skin leveling device | |
| CN213079396U (en) | Powder coating spraying all-in-one machine for steel pipe | |
| CN210357799U (en) | Device for cleaning solar photovoltaic panel and spraying coating | |
| CN211190729U (en) | Paint spraying equipment for outer surface of pipe fitting | |
| CN209238613U (en) | A kind of petroleum transportation pipe dredging device | |
| CN110947555A (en) | Equipment capable of spraying paint to multiple steel pipes simultaneously | |
| CN220461646U (en) | Extrusion section of thick bamboo inner wall cleaning device | |
| CN110000133B (en) | Multifunctional paraffin removal descaling cleaning assembly | |
| CN208034382U (en) | A kind of semi-circular template automation cleaning device | |
| CN207709415U (en) | A kind of oil-pipe external wall cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200806 Address after: Chen CI Cun Guangling Shatou 225000 area in Jiangsu city of Yangzhou Province Patentee after: YANGZHOU YIYANG TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: Longpan road Xuanwu District of Nanjing city of Jiangsu Province, No. 159 210037 Patentee before: NANJING FORESTRY University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210815 |