CN214262464U - Pipeline inner wall spraying device - Google Patents
Pipeline inner wall spraying device Download PDFInfo
- Publication number
- CN214262464U CN214262464U CN202022993064.XU CN202022993064U CN214262464U CN 214262464 U CN214262464 U CN 214262464U CN 202022993064 U CN202022993064 U CN 202022993064U CN 214262464 U CN214262464 U CN 214262464U
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- spraying
- liquid
- pipeline
- wall
- shell
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- 238000005507 spraying Methods 0.000 title claims abstract description 144
- 239000007788 liquid Substances 0.000 claims abstract description 151
- 239000007921 spray Substances 0.000 claims description 22
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pipeline inner wall spraying device, which comprises a walking spraying unit and a fixing unit, wherein the walking spraying unit comprises a first shell, a walking arm, a secondary liquid storage tank and a spraying component, one end of the walking arm is connected with the first shell, the other end of the walking arm can extend around the first shell and can walk closely to the inner wall of a pipeline to be sprayed, and the liquid inlet end of the spraying component is communicated with one liquid outlet end of the secondary liquid storage tank; the fixing unit comprises a second shell, a first-stage liquid storage tank, a liquid spraying pump, a liquid returning pump and a controller, wherein the first-stage liquid storage tank is arranged in the second shell and is provided with a liquid inlet end and a liquid outlet end, the liquid outlet end of the first-stage liquid storage tank is communicated with the liquid inlet end of the second-stage liquid storage tank through the liquid spraying pipeline with the liquid spraying pump, and the liquid inlet end of the first-stage liquid storage tank is communicated with the other liquid outlet end of the second-stage liquid storage tank through the liquid returning pipeline with the liquid returning pump and the electromagnetic valve. The inner wall spraying device is simple in structure, convenient to use, low in failure rate and high in spraying efficiency.
Description
Technical Field
The utility model relates to an interior spraying technical field, concretely relates to pipeline inner wall spraying device.
Background
Metal pipes are tools for transferring liquids or gases and are widely used in various fields. When the metal pipeline is used, the inner wall of the metal pipeline is difficult to avoid the problems of scaling, corrosion and the like, so that the conveying work of working media in the metal pipeline is influenced, the service life of the pipeline is shortened, and the protection of the inner wall of the pipeline is particularly important. At present, aiming at the protection of the inner wall of a metal pipeline, the method generally adopted is to coat an anticorrosion non-stick coating on the inner wall of the pipeline, and the coating of the anticorrosion non-stick coating on the inner wall of the pipeline has the advantages of low cost, easy realization, good adhesiveness and the like. The spray coating device refers to a device that disperses a coating material into uniform and fine droplets by means of pressure or centrifugal force and applies the droplets to the surface of an object to be coated. The existing pipeline inner wall spraying device is usually fixedly arranged and has a large volume, inconvenient use is caused when the inside of some pipeline materials is required to be sprayed, and the pipeline inner wall spraying device is lack of moving capacity, so that the pipeline inner wall spraying device has more defects in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, small pipeline inner wall spraying device.
In order to achieve the purpose, the utility model provides a pipeline inner wall spraying device, which comprises a walking spraying unit and a fixing unit; the walking spraying unit comprises a first shell, a walking arm, a secondary liquid storage tank and a spraying assembly, wherein one end of the walking arm is connected with the first shell, the other end of the walking arm is a free end and can extend around the first shell and cling to the inner wall of a pipeline to be sprayed to walk, the secondary liquid storage tank is arranged in the first shell and is provided with a liquid inlet end and two liquid outlet ends, the liquid inlet end of the spraying assembly is communicated with the liquid outlet end of the secondary liquid storage tank, and the liquid inlet end of the spraying assembly is provided with a pressure control valve; fixed unit includes second casing, one-level liquid storage pot, hydrojet pump, liquid return pump and controller, the second casing is located and is waited the spraying pipeline outside, in the second casing is located to the one-level liquid storage pot, the one-level liquid storage pot has a feed liquor end and a liquid end, the liquid end of one-level liquid storage pot and the feed liquor end of second grade liquid storage pot are through taking the hydrojet pump hydrojet pipeline intercommunication, the feed liquor end of one-level liquid storage pot and the other liquid end of second grade liquid storage pot are through taking the liquid return pipeline intercommunication of hydrojet pump, solenoid valve, the controller is used for controlling opening of hydrojet pump, hydrojet pump and spraying subassembly and stops.
Based on the above, during spraying liquid, open the hydrojet pump, close the liquid return pump, spraying liquid in the one-level liquid storage pot continuously gets into the second grade liquid storage pot, when pressure in the second grade liquid storage pot reaches preset pressure, the pressure control valve is opened, spraying liquid gets into in the spraying subassembly, and spray the pipeline inner wall waiting to spray through the spraying subassembly, after the injection, open the liquid return pump, close the hydrojet pump, the remaining spraying liquid of spraying subassembly and second grade liquid storage pot gets back to in the one-level liquid storage pot through the adsorption of liquid return pump, spraying subassembly and the surplus spraying liquid of second grade liquid storage pot have been avoided like this.
The utility model provides a pair of pipeline inner wall spraying device, because the spraying liquid that the second grade liquid storage pot was deposited temporarily is less for the whole volume of walking spraying unit is less, can be at the pipeline internal spraying of little aperture, can retrieve remaining spraying liquid simultaneously, has avoided the remaining spraying liquid of spraying subassembly to solidify and has caused spraying subassembly or second grade liquid storage pot to block up, this pipeline inner wall spraying device simple structure, and convenient to use, the fault rate is low, the spraying is efficient.
In order to better implement the above solution, preferably, a first connecting piece is arranged between the first cover body and the second cover body, and a second connecting piece is arranged between the pulsator basin and the inner surface of the bottom of the outer casing; one of the first and second connectors is a bearing 114 and the other is the drive.
Preferably, the walking arm is three, and 120 settings at an interval each other, the walking arm includes linking arm, supporting spring and drive wheel, the one end of linking arm is articulated with the outer wall of first casing, and the other end is connected with the drive wheel, supporting spring one end and the outer wall connection of first casing, the other end is connected with the middle part of linking arm.
Preferably, the spraying subassembly includes motor, gear, central swivel joint rotator, spray tube, shower nozzle and spraying switch, spraying switch is used for opening of control motor and stops, in the first casing was located to the motor, the output shaft of motor passes through drive gear and central swivel joint rotator drive connection, the rotatable first casing of locating of central swivel joint rotator, the feed liquor end and the pressure control valve of central swivel joint rotator are connected, the one end of spray tube passes first casing outer wall and gets into in the first casing and communicate with the play liquid end of central swivel joint rotator, the shower nozzle has been installed to the other end of spray tube.
Preferably, the transmission gear comprises a pinion and a gearwheel, the pinion is arranged on an output shaft of the motor, and the gearwheel is in meshed connection with the pinion.
Preferably, the spraying subassembly still includes spraying liquid manifold, the spray tube is a plurality of, the liquid outlet end one-to-one of shower nozzle and spraying liquid manifold, the spray tube passes through spraying liquid manifold and central swivel joint rotator intercommunication.
Preferably, the monitoring system comprises a camera arranged on the front side wall of the first shell and a monitoring display arranged on the surface of the second shell, and the camera transmits the shot images to the monitoring display for displaying.
Preferably, still include the fan, the fan is installed on first casing and is located the place ahead of camera, the fan is used for blowing the spraying around the camera.
Preferably, the spraying switch and the fan are started and stopped synchronously.
Preferably, a winder for winding the electric wire is installed in the second housing.
Preferably, the pressure control valve is a pressure flap.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.
Fig. 1 is an overall schematic view of a pipeline inner wall spraying device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the traveling spray unit of FIG. 1;
fig. 3 is a front view of the walking arm of fig. 2.
In the drawings:
the device comprises a walking spraying unit 1, a first shell 101, a secondary liquid storage tank 102, a connecting arm 103, a supporting spring 104, a driving wheel 105, a pressure control valve 106, a motor 107, a central rotary joint rotating body 108, a spray pipe 109, a spray head 110, a pinion 111, a bull gear 112, an electromagnetic valve 113, a bearing 114, a sealing rubber ring 115 and a spraying liquid manifold 116;
a fixed unit 2, a second shell 201, a primary liquid storage tank 202, a liquid spraying pump 203, a liquid returning pump 204, a reel 205, a controller 206 and a travel switch 207;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1 to 3, the present embodiment discloses a pipeline inner wall spraying device, which includes a walking spraying unit 1 and a fixing unit 2.
The walking spraying unit 1 comprises a first shell 101, a walking arm, a secondary liquid storage tank 102 and a spraying assembly, wherein one end of the walking arm is connected with the first shell 101, the other end of the walking arm is a free end and can extend around the first shell 101 and cling to the inner wall of a pipeline to be sprayed to walk, the secondary liquid storage tank 102 is arranged in the first shell 101 and is provided with a liquid inlet end and two liquid outlet ends, the liquid inlet end of the spraying assembly is communicated with one liquid outlet end of the secondary liquid storage tank 102, and the liquid inlet end of the spraying assembly is provided with a pressure control valve 106; the fixing unit 2 comprises a second shell 201, a first-stage liquid storage tank 202, a liquid spraying pump 203, a liquid returning pump 204 and a controller 206, the second shell 201 is arranged outside the pipeline to be sprayed, the first-stage liquid storage tank 202 is arranged in the second shell 201, the first-stage liquid storage tank 202 is provided with a liquid inlet end and a liquid outlet end, the liquid outlet end of the first-stage liquid storage tank 202 is communicated with the liquid inlet end of the second-stage liquid storage tank 102 through a liquid spraying pipeline with the liquid spraying pump 203, the liquid inlet end of the first-stage liquid storage tank 202 is communicated with the other liquid outlet end of the second-stage liquid storage tank 102 through a liquid returning pipeline with the liquid returning pump 204 and the electromagnetic valve 113, and the controller 206 is used for controlling the start and stop of the liquid returning pump 204, the liquid spraying pump 203 and the spraying component.
Based on the above, during spraying, open hydrojet pump 203, close liquid return pump 204, spraying liquid in the one-level liquid storage pot 202 continuously gets into second grade liquid storage pot 102, when pressure in second grade liquid storage pot 102 reaches preset pressure, pressure control valve 106 opens, spraying liquid gets into in the spraying subassembly, and spray at treating the spraying pipeline inner wall through the spraying subassembly, after the injection, open liquid return pump 204, close hydrojet pump 203, the remaining spraying liquid of spraying subassembly and the remaining spraying liquid of second grade liquid storage pot 102 get back to in the one-level liquid storage pot 202 through the adsorption of liquid return pump 204, spraying subassembly and the remaining spraying liquid of second grade liquid storage pot 102 have been avoided like this.
The utility model provides a pipeline inner wall spraying device, because the spraying liquid that second grade liquid storage pot 102 was deposited temporarily is less for walking spraying unit 1 whole volume is less, can be at the pipeline in little bore spraying, can retrieve remaining spraying liquid simultaneously, has avoided the remaining spraying liquid of spraying subassembly to solidify and has caused spraying subassembly or second grade liquid storage pot 102 to block up, this pipeline inner wall spraying device simple structure, and convenient to use, the fault rate is low, the spraying is efficient.
As shown in fig. 3, the number of the traveling arms is three, and the traveling arms are arranged at an interval of 120 °, each traveling arm includes a connecting arm 103, a supporting spring 104 and a driving wheel 105, one end of the connecting arm 103 is hinged to the outer wall of the first housing 101, the other end of the connecting arm is connected to the driving wheel 105, one end of the supporting spring 104 is connected to the outer wall of the first housing 101, and the other end of the supporting spring is connected to the middle of the connecting arm 103.
In this embodiment, the driving wheel 105 is an in-wheel motor, the controller 206 includes a travel switch 207 disposed on the surface of the second housing 201, the travel switch 207 can control the in-wheel motor 107 to move back and forth, move back, and stop, the three connecting arms 103 are uniformly distributed on the outer wall of the first housing 101, the supporting force is balanced, so that the walking is smooth, the supporting spring 104 is adopted to adjust the rotation angle of the walking arm, and the connecting arms 103 can adapt to tubes with different calibers within a certain range.
As shown in fig. 2, the spraying assembly includes a motor 107, a gear, a central rotary joint rotating body 108, a spraying pipe 109, a spraying nozzle 110 and a spraying switch 114, the spraying switch 114 is used for controlling start and stop of the motor 107, the motor 107 is disposed in the first housing 101, an output shaft of the motor 107 is in driving connection with the central rotary joint rotating body 108 through a transmission gear, the central rotary joint rotating body 108 is rotatably disposed in the first housing 101, a liquid inlet end of the central rotary joint rotating body 108 is connected with the pressure control valve 106, one end of the spraying pipe 109 penetrates through an outer wall of the first housing 101 to enter the first housing 101 and is communicated with a liquid outlet end of the central rotary joint rotating body 108, and the spraying nozzle 110 is disposed at the other end of the spraying pipe 109.
Based on the above, during spraying, the output shaft of the motor 107 starts to rotate and drives the central rotary joint rotating body 108 to rotate, and the spray pipe 109 and the spray head 110 fixed on the central rotary joint rotating body 108 also start to rotate, so that the overall spraying on the inner wall of the pipeline is realized.
In this embodiment, the spraying assembly further includes a plurality of spraying liquid manifolds 116, the spraying nozzles 109 are provided, the spraying heads 110 correspond to the liquid outlet ends of the spraying liquid manifolds 116 one by one, and the spraying nozzles 109 are communicated with the central swivel joint rotating body 108 through the spraying liquid manifolds 116.
As a preferable technical scheme, the spray pipes 109 are three and are arranged at an interval of 120 degrees, and the spraying efficiency is high and the spraying is uniform through the three spray pipes 109.
In this embodiment, the transmission gear includes a small gear 111 and a large gear 112, the small gear 111 is mounted on the output shaft of the motor 107, the large gear 112 is meshed with the small gear 111, and the small gear 111 and the large gear 112 are meshed and matched to facilitate changing the speed of the central rotary joint rotating body 108 and facilitating installation.
In the present embodiment, the central rotary joint rotating body 108 is disposed at the front end of the first housing 101 by being engaged with a bearing 114, and a sealing rubber ring 115 is disposed at the engaging surface of the central rotary joint rotating body 108 with the first housing 101.
In the present embodiment, the pressure control valve 106 is a pressure valve, which has a simple structure and is widely used.
As shown in fig. 1 and fig. 2, the pipeline inner wall spraying device further includes a monitoring system and a blower 303, the monitoring system includes a camera 301 disposed on a front side wall of the first housing 101 and a monitor display 302 disposed on a surface of the second housing 201, the camera 301 transmits a shot image to the monitor display 302 for displaying, a lens of the camera 301 faces a sprayed area, the monitor display 302 can observe a spraying condition of the pipeline inner wall shot by the camera 301 in real time, the blower 303 is mounted on the first housing 101 and located in front of the camera 301, and the blower 303 is used for blowing the spray around the camera 301.
In this embodiment, the switch of spraying switch 114 and fan 303 is opened and shut down in step, and when spraying switch 114 was opened, fan 303 was opened, utilized wind-force to blow the spraying to the rear, can avoid the spraying that the spraying liquid formed to cause the influence to camera 301 definition.
In this embodiment, a cord reel 205 for winding the electric cord is installed in the second housing 201, and the cord reel 205 is installed to facilitate the storage of the electric cord.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The pipeline inner wall spraying device is characterized by comprising a walking spraying unit (1) and a fixing unit (2);
the walking spraying unit (1) comprises a first shell (101), a walking arm, a secondary liquid storage tank (102) and a spraying assembly, one end of the walking arm is connected with the first shell (101), the other end of the walking arm is a free end and can extend around the first shell (101) and cling to the inner wall of a pipeline to be sprayed to walk, the secondary liquid storage tank (102) is arranged in the first shell (101) and is provided with a liquid inlet end and two liquid outlet ends, the liquid inlet end of the spraying assembly is communicated with the liquid outlet end of the secondary liquid storage tank (102), and a pressure control valve (106) is arranged at the liquid inlet end of the spraying assembly;
fixed unit (2) include second casing (201), one-level liquid storage pot (202), hydrojet pump (203), return pump (204) and controller (206), it is outside to treat the spraying pipeline to locate second casing (201), one-level liquid storage pot (202) are located in second casing (201), one-level liquid storage pot (202) have a feed liquor end and a play liquid end, the play liquid end of one-level liquid storage pot (202) and the feed liquor end of second grade liquid storage pot (102) are through the hydrojet pipeline intercommunication of taking hydrojet pump (203), the feed liquor end of one-level liquid storage pot (202) and second grade liquid storage pot (102) another play liquid end are through the return pipeline intercommunication of taking hydrojet pump (204), solenoid valve (113), controller (206) are used for controlling the opening and stopping of hydrojet pump (204), hydrojet pump (203) and spraying subassembly.
2. The device for spraying the inner wall of the pipeline as claimed in claim 1, wherein: the walking arm is three, and separates 120 setting each other, the walking arm includes linking arm (103), supporting spring (104) and drive wheel (105), the one end of linking arm (103) is articulated with the outer wall of first casing (101), and the other end is connected with drive wheel (105), supporting spring (104) one end and the outer wall connection of first casing (101), the other end is connected with the middle part of linking arm (103).
3. The device for spraying the inner wall of the pipeline as claimed in claim 2, wherein: the spraying component comprises a motor (107), a gear, a central rotary joint rotating body (108), a spraying pipe (109), a spraying head (110) and a spraying switch (114), the spraying switch (114) is used for controlling the starting and stopping of the motor (107), the motor (107) is arranged in the first shell (101), the output shaft of the motor (107) is in driving connection with the central rotary joint rotating body (108) through a transmission gear, the central rotary joint rotating body (108) is rotatably arranged in the first shell (101), the liquid inlet end of the central rotary joint rotary body (108) is connected with a pressure control valve (106), one end of the spray pipe (109) penetrates through the outer wall of the first shell (101) to enter the first shell (101) and is communicated with the liquid outlet end of the central rotary joint rotating body (108), and the other end of the spray pipe (109) is provided with a spray head (110).
4. The device for spraying the inner wall of the pipeline as claimed in claim 3, wherein: the transmission gear comprises a small gear (111) and a large gear (112), the small gear (111) is arranged on an output shaft of the motor (107), and the large gear (112) is meshed with the small gear (111).
5. The device for spraying the inner wall of the pipeline as claimed in claim 3, wherein: the spraying subassembly still includes spraying liquid manifold (116), spray tube (109) are a plurality of, shower nozzle (110) and the play liquid end one-to-one of spraying liquid manifold (116), spray tube (109) are through spraying liquid manifold (116) and central swivel joint rotator (108) intercommunication.
6. The device for spraying the inner wall of the pipeline as claimed in claim 5, wherein: the monitoring system comprises a camera (301) arranged on the front side wall of the first shell (101) and a monitoring display (302) arranged on the surface of the second shell (201), and the camera (301) transmits a shot image to the monitoring display (302) for displaying.
7. The device for spraying the inner wall of the pipeline as claimed in claim 6, wherein: the camera further comprises a fan (303), the fan (303) is installed on the first shell (101) and located in front of the camera (301), and the fan (303) is used for blowing away the spray around the camera (301).
8. The device for spraying the inner wall of the pipeline as claimed in claim 7, wherein: the spraying switch (114) and the fan (303) are synchronously started and stopped.
9. The device for spraying the inner wall of the pipeline as claimed in claim 8, wherein: a winder (205) for winding the electric wire is arranged in the second shell (201).
10. The apparatus for spraying the inner wall of a pipeline as claimed in any one of claims 1 to 9, wherein: the pressure control valve (106) is a pressure flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022993064.XU CN214262464U (en) | 2020-12-14 | 2020-12-14 | Pipeline inner wall spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022993064.XU CN214262464U (en) | 2020-12-14 | 2020-12-14 | Pipeline inner wall spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214262464U true CN214262464U (en) | 2021-09-24 |
Family
ID=77781138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022993064.XU Expired - Fee Related CN214262464U (en) | 2020-12-14 | 2020-12-14 | Pipeline inner wall spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214262464U (en) |
-
2020
- 2020-12-14 CN CN202022993064.XU patent/CN214262464U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |