CN112138910A - Automatic spraying equipment for inner wall surface of pipeline - Google Patents
Automatic spraying equipment for inner wall surface of pipeline Download PDFInfo
- Publication number
- CN112138910A CN112138910A CN202011171403.4A CN202011171403A CN112138910A CN 112138910 A CN112138910 A CN 112138910A CN 202011171403 A CN202011171403 A CN 202011171403A CN 112138910 A CN112138910 A CN 112138910A
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- CN
- China
- Prior art keywords
- cavity
- machine body
- wall
- pipeline
- fixedly arranged
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
- B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Spray Control Apparatus (AREA)
Abstract
The invention relates to the related field of surface spraying equipment, in particular to automatic spraying equipment for the inner wall surface of a pipeline, which comprises a machine body and a transmission cavity arranged in the machine body, wherein a motor positioned on the left side of the transmission cavity is arranged in the machine body; the automatic spraying equipment for the inner wall surface of the pipeline, provided by the invention, can realize automatic spraying operation on the inner wall of the pipeline, is not limited to the diameter and the trend of the pipeline, automatically advances and continuously sprays the inner wall of the pipeline, so that the spraying efficiency is improved, and the equipment can be used for spraying in the pipeline production process and spraying operation in later maintenance.
Description
Technical Field
The invention relates to the field related to surface spraying equipment, in particular to automatic spraying equipment for the inner wall surface of a pipeline.
Background
The pipeline is used as a visible object in life, the excellent performance of the pipeline can be used for conveying various gas and liquid, the inner wall of the pipeline can be corroded and damaged along with the increase of the service life, the normal use is influenced, the inner wall of the pipeline is coated with a layer of protective material, the service performance of the pipeline can be effectively improved, and therefore, an automatic spraying device for the inner wall surface of the pipeline is needed to be designed, and the existing problems are solved.
Disclosure of Invention
The invention aims to provide automatic spraying equipment for the inner wall surface of a pipeline, which can overcome the defects in the prior art, so that the practicability of the equipment is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to automatic spraying equipment for the inner wall surface of a pipeline, which comprises a machine body and a transmission cavity arranged in the machine body, wherein a motor positioned on the left side of the transmission cavity is arranged in the machine body; a cleaning mechanism positioned outside the transmission cavity is arranged in the machine body and used for cleaning the inner wall of the pipeline before spraying, so that the spraying effect is better; the spraying device is arranged on the left end wall of the machine body and comprises connecting blocks which are vertically symmetrically and fixedly arranged on the left end wall of the machine body, a workbench positioned on the left side of the machine body is fixedly arranged at the left end of the connecting blocks, a first fan wheel cavity is arranged in the workbench, an output shaft of the motor penetrates through the transmission cavity, the centrifugal cavity and the air cavity and extends into the first fan wheel cavity, a first fan wheel positioned in the first fan wheel cavity is fixedly arranged at the left end of the output shaft, a first belt wheel positioned between the workbench and the machine body is fixedly arranged on the outer surface of the output shaft, a rotatable rotating sleeve is arranged on the outer surface of the workbench in a matched manner, a first gear is fixedly arranged at the right end of the rotating sleeve, nozzles are arranged on the outer surface of the rotating sleeve in an array manner and are communicated with the first fan wheel cavity, organism left end wall with workstation right-hand member wall rotates and is provided with and is located the gear shaft of output shaft rear side, gear shaft external surface fixed be provided with through first belt with the second band pulley that first band pulley cooperation is connected, gear shaft external surface fixed be provided with be located second band pulley right side with first gear engagement's second gear, can drive when the output shaft rotates rotate the cover is walked around the workstation rotates, thereby drives the shower nozzle rotates spraying pipeline inner wall, spraying device is still including setting up the organism is inside and is located the stock solution chamber of centrifugal chamber upside, the stock solution chamber through the second pipeline with first fan wheel chamber intercommunication, stock solution chamber top is provided with the chamber door that is used for adding coating.
Furthermore, the supporting mechanism comprises a fixed rod which is fixedly arranged on the right end wall of the machine body in an up-down symmetrical manner, a rotating rod is rotatably arranged at the right end of the fixed rod, one end of the rotating rod is connected with the right end wall of the machine body through a spring, a first support is fixedly arranged at the other end of the rotating rod, a wheel shaft is rotatably arranged in the first support, a traveling wheel is fixedly arranged on the outer surface of the wheel shaft, a third belt wheel positioned on the rear side of the traveling wheel is fixedly arranged on the outer surface of the wheel shaft, a rotating shaft positioned on the rear side of the output shaft is rotatably arranged on the rear end wall of the transmission cavity, a fourth belt wheel which is matched and connected with the third belt wheel through a second belt is fixedly arranged on the outer surface of the rotating shaft, a second bevel gear positioned in the transmission cavity is fixedly arranged on, the supporting mechanism also comprises a piston cavity which is arranged on the inner wall of the air cavity in a circumferential array and extends towards the inside of the machine body, a piston block is arranged in the piston cavity in a sliding manner, a first slide bar extending out of the machine body is fixedly arranged on the end surface of the piston block far away from the air cavity, a second bracket is fixedly arranged on the other end surface of the first slide bar, a supporting wheel is rotatably arranged in the second bracket, limiting rods positioned at the upper side and the lower side of the output shaft are fixedly arranged on the left end wall and the right end wall of the air cavity in an up-and-down symmetrical manner, a spline shaft positioned in the centrifugal cavity and extending into the air cavity is arranged on the outer surface of the output shaft in a spline fit manner, cantilevers positioned in the centrifugal cavity are fixedly arranged on the outer surface of the spline shaft in an up-and-down symmetrical manner, a second slide bar is arranged, the external surface of the spline shaft rotates and is provided with a sleeve positioned in the air cavity, the external surface of the sleeve is fixedly provided with a piston plate sleeved on the limiting rod, when the output shaft rotates, the second slide bar moves outwards under the action of centrifugal force so as to drive the spline shaft to move leftwards, so that the piston plate moves leftwards to enable the gas in the air cavity to be pressed into the piston cavity, and therefore the first slide bar moves outwards to enable the supporting wheel to be tightly attached to the inner wall of the pipeline.
Furthermore, the cleaning mechanism comprises a second fan wheel cavity which is arranged inside the machine body in an up-and-down symmetrical mode and located on the outer side of the piston plate, the opening of the second fan wheel cavity is an annular opening, flow guide blocks located at the opening of the second fan wheel cavity are fixedly arranged on the upper end wall and the lower end wall of the machine body, a fan wheel shaft extending into the second fan wheel cavity is symmetrically arranged on the upper end wall and the lower end wall of the transmission cavity in a rotating mode, a first bevel gear meshed with the third bevel gear is fixedly arranged on the end face of the fan wheel shaft located in the transmission cavity, a second fan wheel is fixedly arranged on the end face of the second fan wheel cavity, and air blown out when the second fan wheel rotates is guided by the flow guide blocks to blow away dust on the inner wall of the pipeline so as to facilitate spraying.
The invention has the beneficial effects that: the automatic spraying equipment for the inner wall surface of the pipeline, provided by the invention, can realize automatic spraying operation on the inner wall of the pipeline, is not limited to the diameter and the trend of the pipeline, automatically advances and continuously sprays the inner wall of the pipeline, so that the spraying efficiency is improved, and the equipment can be used for spraying in the pipeline production process and spraying operation in later maintenance.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of an automatic spraying apparatus for an inner wall surface of a pipeline according to the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
FIG. 3 is a schematic diagram of B-B in FIG. 1.
Fig. 4 is a schematic view of the structure of C-C in fig. 1.
Fig. 5 is a schematic diagram of the structure of D-D in fig. 1.
Fig. 6 is a schematic view of a partially enlarged structure of E in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The automatic spraying equipment for the inner wall surface of the pipeline, which is described in conjunction with fig. 1-6, comprises an equipment body 10 and a transmission cavity 24 arranged inside the equipment body 10, wherein a motor 11 positioned on the left side of the transmission cavity 24 is arranged inside the equipment body 10, a centrifugal cavity 30 positioned on the left side of the transmission cavity 24 is arranged inside the equipment body 10, a first bevel gear 23 positioned on the left side of the centrifugal cavity 30 is arranged inside the equipment body 10, a support mechanism 71 is arranged inside the air cavity 32 and on the right end wall of the equipment body 10, and the support mechanism 71 is used for fixing the equipment on the inner wall of the pipeline and driving the equipment to move forward; a cleaning mechanism 72 positioned outside the transmission cavity 24 is arranged inside the machine body 10, and the cleaning mechanism 72 is used for cleaning the inner wall of the pipeline before spraying, so that the spraying effect is better; the left end wall of the machine body 10 is provided with a spraying device 73, the spraying device 73 comprises a connecting block 44 which is vertically symmetrically and fixedly arranged on the left end wall of the machine body 10, the left end of the connecting block 44 is fixedly provided with a workbench 45 positioned on the left side of the machine body 10, a first fan wheel cavity 47 is arranged inside the workbench 45, an output shaft 26 of the motor 11 penetrates through the transmission cavity 24, the centrifugal cavity 30 and the air cavity 32 and extends into the first fan wheel cavity 47, the left end of the output shaft 26 is fixedly provided with a first fan wheel 48 positioned in the first fan wheel cavity 47, the outer surface of the output shaft 26 is fixedly provided with a first belt wheel 49 positioned between the workbench 45 and the machine body 10, the outer surface of the workbench 45 is provided with a rotatable rotating sleeve 51 in a matching manner, the right end of the rotating sleeve 51 is fixedly provided with a first gear 53, and the outer surface of the rotating sleeve 51 is, the nozzle 52 is communicated with the first fan-wheel cavity 47 through a first pipeline 46, a gear shaft 55 is rotatably arranged on the left end wall of the machine body 10 and the right end wall of the workbench 45 and is positioned at the rear side of the output shaft 26, a second belt wheel 56 which is matched and connected with the first belt wheel 49 through a first belt 50 is fixedly arranged on the outer surface of the gear shaft 55, a second gear 54 which is positioned at the right side of the second belt wheel 56 and is meshed with the first gear 53 is fixedly arranged on the outer surface of the gear shaft 55, when the output shaft 26 rotates, the rotating sleeve 51 can be driven to rotate around the workbench 45, thereby driving the spray head 52 to rotate the inner wall of the spraying pipe, the spraying device 73 further comprises a liquid storage cavity 36 arranged inside the machine body 10 and located at the upper side of the centrifugal cavity 30, the liquid storage cavity 36 is communicated with the first fan wheel cavity 47 through a second pipeline 38, and a cavity door 37 for adding paint is arranged at the top end of the liquid storage cavity 36.
Beneficially, the supporting mechanism 71 includes a fixing rod 12 fixed on the right end wall of the machine body 10 in an up-down symmetrical manner, a rotating rod 17 is rotatably disposed at the right end of the fixing rod 12, one end of the rotating rod 17 is connected to the right end wall of the machine body 10 through a spring, the other end of the rotating rod is fixedly disposed with a first support 16, a wheel axle 14 is rotatably disposed inside the first support 16, a traveling wheel 15 is fixedly disposed on the outer surface of the wheel axle 14, a third belt wheel 18 located behind the traveling wheel 15 is fixedly disposed on the outer surface of the wheel axle 14, a rotating shaft 28 located behind the output shaft 26 is rotatably disposed on the rear end wall of the transmission cavity 24, a fourth belt wheel 29 cooperatively connected with the third belt wheel 18 through a second belt 13 is fixedly disposed on the outer surface of the rotating shaft 28, a second bevel gear 27 located in the transmission cavity 24 is fixedly disposed on the front end of the rotating shaft 28, and a second bevel gear The supporting mechanism 71 further includes a piston cavity 39 circumferentially arranged in an array on the inner wall of the air cavity 32 and extending into the machine body 10, a piston block 40 is slidably arranged in the piston cavity 39, a first slide rod 41 extending out of the machine body 10 is fixedly arranged on the end surface of the piston block 40 away from the air cavity 32, a second bracket 42 is fixedly arranged on the other end surface of the first slide rod 41, a supporting wheel 43 is rotatably arranged in the second bracket 42, the left and right end walls of the air cavity 32 are vertically and symmetrically and fixedly provided with limit rods 33 positioned on the upper and lower sides of the output shaft 26, a spline shaft 31 positioned in the centrifugal cavity 30 and extending into the air cavity 32 is arranged on the outer surface of the output shaft 26 in a spline fit manner, cantilevers 57 positioned in the centrifugal cavity 30 are vertically and symmetrically and fixedly arranged on the outer surface of the spline shaft 31, and second slide rods 58 are slidably arranged in the cantilevers, the end surface of the second sliding rod 58 is fixedly provided with a ball sleeve 59, the inside of the ball sleeve 59 is provided with a rolling ball 60 which can contact with the inner wall of the centrifugal cavity 30 in a rolling manner, the outer surface of the spline shaft 31 is provided with a sleeve 35 positioned in the air cavity 32 in a rotating manner, the outer surface of the sleeve 35 is fixedly provided with a piston plate 34 which sleeves the limiting rod 33, when the output shaft 26 rotates, the second sliding rod 58 moves outwards under the action of centrifugal force, so that the spline shaft 31 is driven to move leftwards, the piston plate 34 moves leftwards, the gas in the air cavity 32 is pressed into the piston cavity 39, and the first sliding rod 41 moves outwards, so that the supporting wheel 43 is tightly attached to the inner wall of the pipeline.
Beneficially, the cleaning mechanism 72 includes a second impeller cavity 20 disposed inside the machine body 10 and located outside the piston plate 34, an opening of the second impeller cavity 20 is an annular opening, a flow guide block 19 located at the opening of the second impeller cavity 20 is fixedly disposed on upper and lower end walls of the machine body 10, an impeller shaft 22 extending into the second impeller cavity 20 is rotatably disposed on upper and lower end walls of the transmission cavity 24, a first bevel gear 23 engaged with the third bevel gear 25 is fixedly disposed on an end surface of the impeller shaft 22 located in the transmission cavity 24, a second impeller 21 is fixedly disposed on an end surface of the impeller shaft 22 located in the second impeller cavity 20, and the air blown out when the second impeller 21 rotates is guided by the flow guide block 19 to blow away dust on the inner wall of the pipeline for spraying.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
Sequence of mechanical actions of the whole device: in the initial state, the first sliding rod 41 does not slide and extend outward of the machine body 10, and the piston plate 34 is located at the right position inside the air cavity 32.
When the device of the present invention is in operation, after the device is placed on the inner wall of the pipeline to be sprayed, the travelling wheel 15 is tightly attached to the inner wall of the pipeline, the motor 11 is started, so as to drive the output shaft 26 to rotate, so as to drive the spline shaft 31 to rotate, so as to cause the second slide bar 58 to move outwards under the action of centrifugal force, so as to drive the spline shaft 31 to move leftwards, so as to cause the piston plate 34 to move leftwards, so as to cause the gas in the air cavity 32 to be pressed into the piston cavity 39, so as to cause the first slide bar 41 to move outwards, so as to cause the support wheel 43 to be tightly attached to the inner wall of the pipeline, so as to fasten the device to the inner wall of the pipeline, when the output shaft 26 rotates, the third bevel gear 25 is driven to rotate, so as to drive the second bevel gear 27 to rotate, so as to drive the rotating shaft, thereby driving the wheel shaft 14 to rotate, thereby driving the travelling wheel 15 to rotate, thereby driving the equipment to travel in the pipeline, and when the third bevel gear 25 rotates, the first bevel gear 23 is driven to rotate, thereby driving the fan wheel shaft 22 to rotate, thereby driving the second fan wheel 21 to rotate, the wind blown out when the second fan wheel 21 rotates is guided by the flow guide block 19 to blow away the dust on the inner wall of the pipeline for spraying, the output shaft 26 drives the first belt wheel 49 to rotate when rotating, thereby rotating the gear shaft 55, and thus the second gear 54, and thus the first gear 53, thereby driving the rotating sleeve 51 to rotate, and driving the spray head 52 to rotate for spraying, when the output shaft 26 rotates, the coating in the liquid storage cavity 36 is pumped into the first fan-wheel cavity 47 through the second pipeline 38, and then is sprayed out of the spray head 52 through the first pipeline 46.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a pipeline internal face automatic spraying equipment, includes the organism and sets up the inside transmission chamber of organism, its characterized in that: a motor positioned on the left side of the transmission cavity is arranged in the machine body, a centrifugal cavity positioned on the left side of the transmission cavity is arranged in the machine body, a first bevel gear positioned on the left side of the centrifugal cavity is arranged in the machine body, and supporting mechanisms are arranged in the air cavity and the right end wall of the machine body and used for fixing equipment on the inner wall of a pipeline and driving the equipment to move forwards; a cleaning mechanism positioned outside the transmission cavity is arranged in the machine body and used for cleaning the inner wall of the pipeline before spraying, so that the spraying effect is better; the spraying device is arranged on the left end wall of the machine body and comprises connecting blocks which are vertically symmetrically and fixedly arranged on the left end wall of the machine body, a workbench positioned on the left side of the machine body is fixedly arranged at the left end of the connecting blocks, a first fan wheel cavity is arranged in the workbench, an output shaft of the motor penetrates through the transmission cavity, the centrifugal cavity and the air cavity and extends into the first fan wheel cavity, a first fan wheel positioned in the first fan wheel cavity is fixedly arranged at the left end of the output shaft, a first belt wheel positioned between the workbench and the machine body is fixedly arranged on the outer surface of the output shaft, a rotatable rotating sleeve is arranged on the outer surface of the workbench in a matched manner, a first gear is fixedly arranged at the right end of the rotating sleeve, nozzles are arranged on the outer surface of the rotating sleeve in an array manner and are communicated with the first fan wheel cavity, organism left end wall with workstation right-hand member wall rotates and is provided with and is located the gear shaft of output shaft rear side, gear shaft external surface fixed be provided with through first belt with the second band pulley that first band pulley cooperation is connected, gear shaft external surface fixed be provided with be located second band pulley right side with first gear engagement's second gear, can drive when the output shaft rotates rotate the cover is walked around the workstation rotates, thereby drives the shower nozzle rotates spraying pipeline inner wall, spraying device is still including setting up the organism is inside and is located the stock solution chamber of centrifugal chamber upside, the stock solution chamber through the second pipeline with first fan wheel chamber intercommunication, stock solution chamber top is provided with the chamber door that is used for adding coating.
2. The automatic coating apparatus for an inner wall surface of a pipeline according to claim 1, wherein: the supporting mechanism comprises a fixed rod which is fixedly arranged on the right end wall of the machine body in an up-and-down symmetrical manner, a rotating rod is rotatably arranged at the right end of the fixed rod, one end of the rotating rod is connected with the right end wall of the machine body through a spring, a first support is fixedly arranged at the other end of the rotating rod, a wheel shaft is rotatably arranged in the first support, a traveling wheel is fixedly arranged on the outer surface of the wheel shaft, a third belt wheel which is positioned at the rear side of the traveling wheel is fixedly arranged on the outer surface of the wheel shaft, a rotating shaft which is positioned at the rear side of the output shaft is rotatably arranged on the rear end wall of the transmission cavity, a fourth belt wheel which is matched and connected with the third belt wheel through a second belt is fixedly arranged on the outer surface of the rotating shaft, a second bevel gear which, the supporting mechanism also comprises a piston cavity which is arranged on the inner wall of the air cavity in a circumferential array and extends towards the inside of the machine body, a piston block is arranged in the piston cavity in a sliding manner, a first slide bar extending out of the machine body is fixedly arranged on the end surface of the piston block far away from the air cavity, a second bracket is fixedly arranged on the other end surface of the first slide bar, a supporting wheel is rotatably arranged in the second bracket, limiting rods positioned at the upper side and the lower side of the output shaft are fixedly arranged on the left end wall and the right end wall of the air cavity in an up-and-down symmetrical manner, a spline shaft positioned in the centrifugal cavity and extending into the air cavity is arranged on the outer surface of the output shaft in a spline fit manner, cantilevers positioned in the centrifugal cavity are fixedly arranged on the outer surface of the spline shaft in an up-and-down symmetrical manner, a second slide bar is arranged, the external surface of the spline shaft rotates and is provided with a sleeve positioned in the air cavity, the external surface of the sleeve is fixedly provided with a piston plate sleeved on the limiting rod, when the output shaft rotates, the second slide bar moves outwards under the action of centrifugal force so as to drive the spline shaft to move leftwards, so that the piston plate moves leftwards to enable the gas in the air cavity to be pressed into the piston cavity, and therefore the first slide bar moves outwards to enable the supporting wheel to be tightly attached to the inner wall of the pipeline.
3. The automatic coating apparatus for an inner wall surface of a pipeline according to claim 1, wherein: the cleaning mechanism comprises a second fan wheel cavity which is arranged inside the machine body in an up-and-down symmetrical mode and located on the outer side of the piston plate, the opening of the second fan wheel cavity is an annular opening, flow guide blocks located at the opening of the second fan wheel cavity are fixedly arranged on the upper end wall and the lower end wall of the machine body, a fan wheel shaft extending into the second fan wheel cavity is symmetrically and rotatably arranged on the upper end wall and the lower end wall of the transmission cavity, a first bevel gear meshed with the third bevel gear is fixedly arranged on the end face of the fan wheel shaft located in the transmission cavity, a second fan wheel is fixedly arranged on the end face of the second fan wheel cavity, and air blown out when the second fan wheel rotates is guided by the flow guide blocks to blow away dust on the inner wall of the pipeline so as to facilitate spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171403.4A CN112138910A (en) | 2020-10-28 | 2020-10-28 | Automatic spraying equipment for inner wall surface of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171403.4A CN112138910A (en) | 2020-10-28 | 2020-10-28 | Automatic spraying equipment for inner wall surface of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112138910A true CN112138910A (en) | 2020-12-29 |
Family
ID=73953445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011171403.4A Withdrawn CN112138910A (en) | 2020-10-28 | 2020-10-28 | Automatic spraying equipment for inner wall surface of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112138910A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576864A (en) * | 2021-01-15 | 2021-03-30 | 上海篇吴电子科技有限公司 | Wax removal maintenance equipment for petroleum transportation pipeline |
| CN112604889A (en) * | 2021-01-12 | 2021-04-06 | 南京微熙珂贸易有限公司 | Steel pipe internal surface rust cleaning spraying device |
| CN113680584A (en) * | 2021-10-27 | 2021-11-23 | 江苏昆彭精密机械有限责任公司 | Metal pipe inner wall spraying device |
-
2020
- 2020-10-28 CN CN202011171403.4A patent/CN112138910A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112604889A (en) * | 2021-01-12 | 2021-04-06 | 南京微熙珂贸易有限公司 | Steel pipe internal surface rust cleaning spraying device |
| CN112576864A (en) * | 2021-01-15 | 2021-03-30 | 上海篇吴电子科技有限公司 | Wax removal maintenance equipment for petroleum transportation pipeline |
| CN113680584A (en) * | 2021-10-27 | 2021-11-23 | 江苏昆彭精密机械有限责任公司 | Metal pipe inner wall spraying device |
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Application publication date: 20201229 |
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| WW01 | Invention patent application withdrawn after publication |