CN213378335U - Inner wall cleaning device of pressure oil tank - Google Patents
Inner wall cleaning device of pressure oil tank Download PDFInfo
- Publication number
- CN213378335U CN213378335U CN202021400650.2U CN202021400650U CN213378335U CN 213378335 U CN213378335 U CN 213378335U CN 202021400650 U CN202021400650 U CN 202021400650U CN 213378335 U CN213378335 U CN 213378335U
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- Prior art keywords
- gear
- rotating
- tank body
- supporting rod
- bevel gear
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- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 239000007921 spray Substances 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The application relates to a device for cleaning the inner wall of a pressure oil tank, which comprises a support rod vertically arranged in a tank body, wherein the support rod is a lead screw and is provided with a rotating assembly; a brush is arranged in the tank body and connected with the rotating assembly, and one end of the brush, which is far away from the rotating assembly, abuts against the inner wall of the tank body; the tank body is provided with a first driving piece, the first driving piece is connected with the supporting rod, the supporting rod is driven to rotate by the first driving piece, and the rotating assembly can vertically slide on the supporting rod when the supporting rod rotates. This application has the effect that improves pressure oil tank inner wall cleaning efficiency.
Description
Technical Field
The application relates to the technical field of pressure oil tank equipment, in particular to an inner wall cleaning device of a pressure oil tank.
Background
Currently, pressure tanks are vessels used for storing crude oil or other petroleum products.
In the prior art, an oil tank area is composed of a plurality of pressure oil tanks, when the oil tanks are cleaned, the oil storage in the oil tanks needs to be discharged firstly, after the oil gas concentration in the tank body is reduced to a safety boundary line, after the safety is detected, an operator wears a protection tool to enter the tank body to clean oil stains, water and other sediments, and finally, the tank body is thoroughly cleaned. Can use multiple instrument clearance jar internal wall through manual operation, clear up through manual operation is nimble, make the internal cleanliness of jar reach the acceptance requirement.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the procedure for manually cleaning the inner wall of the oil tank is complex and tedious, and an operator manually cleans the inner wall of the tank body after entering the tank body, so that a large amount of time is consumed, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to improve the cleaning efficiency of pressure oil tank inner wall, this application provides a pressure oil tank's inner wall cleaning device.
The application provides an inner wall cleaning device of pressure oil tank adopts following technical scheme:
the inner wall cleaning device for the pressure oil tank comprises a support rod vertically arranged in a tank body, wherein the support rod is a lead screw, and a rotating assembly is arranged on the support rod; a brush is arranged in the tank body, the brush is connected with the rotating assembly, and one end of the brush, which is far away from the rotating assembly, abuts against the inner wall of the tank body; the tank body is provided with a first driving piece, the first driving piece is connected with the supporting rod, the first driving piece drives the supporting rod to rotate, and when the supporting rod rotates, the rotating assembly can vertically slide on the supporting rod.
Through adopting above-mentioned technical scheme, when the internal wall of clearance jar, first driving piece drive bracing piece rotates, and rotating assembly slides downwards when the bracing piece rotates, and the brush on the rotor supports tightly on the inner wall of jar body, and the rotor is moving the greasy dirt brush of the internal wall of jar down the in-process to can get rid of jar internal greasy dirt fast, reduce the time that the clearance oil tank need be spent, improve the cleaning efficiency of pressure oil tank inner wall.
Preferably, the first driving part comprises a driving motor, a first bevel gear and a second bevel gear, the driving motor is installed at the upper end of the tank body, the first bevel gear is coaxially installed on an output shaft of the driving motor, the second bevel gear is coaxially installed on the supporting rod, and the first bevel gear is meshed with the second bevel gear.
Through adopting above-mentioned technical scheme, the first helical gear of driving motor drive rotates, and first helical gear drive second helical gear is rotatory, and the second helical gear drives the bracing piece and rotates to make runner assembly rotate on the bracing piece, thereby drive the greasy dirt on the brush rotation clearance jar internal wall.
Preferably, the rotating assembly comprises a rotating frame, a third bevel gear, a fourth bevel gear and a second driving piece, the second driving piece is installed on the supporting rod, the rotating frame is installed on the supporting rod in a rotating mode, the rotating frame is connected with the second driving piece, the third bevel gear is installed on the rotating frame in a horizontal rotating mode and connected with the supporting rod, the second driving piece drives the rotating frame to rotate, the brush is installed on the rotating frame in a horizontal rotating mode, the fourth bevel gear is installed at the end, far away from the inner wall of the tank body, of the brush, and the third bevel gear is meshed with the fourth bevel gear.
Through adopting above-mentioned technical scheme, second driving piece drive rotating turret rotates, and the rotating turret drives when rotating on the bracing piece and can drives the brush and encircle the bracing piece and rotate, and the brush can drive the fourth helical gear on the brush and take place relative rotation with third helical gear when rotating to make fourth helical gear produce the rotation, drive the brush again and be circumferential direction when the fourth helical gear rotates, the brush is around the bracing piece revolution when the rotation, thereby the greasy dirt of jar internal wall is removed to the brush that can be quick.
Preferably, the third bevel gear is provided with a sliding hole in sliding fit with the support rod, a vertical slide rail is arranged in the sliding hole, the support rod is provided with a vertical slide groove in sliding fit with the vertical slide rail, the length direction of the vertical slide groove is parallel to the length direction of the support rod, the third bevel gear passes through the sliding hole and is coaxially mounted on the support rod, and the vertical slide rail is slidably mounted in the vertical slide groove.
Through adopting above-mentioned technical scheme, can drive the fourth helical gear on the brush and take place relative rotation with the third helical gear when the brush rotates, because vertical slide rail can restrict the rotation of third helical gear when sliding and installing in vertical spout, make the fourth helical gear on the brush rotate to make the brush produce the rotation.
Preferably, the second driving part comprises a fixed frame, a rotating motor, a first gear, a second gear, a shaft sleeve and a guide rod, the fixed frame is installed on the support rod in a threaded manner, the rotating motor is installed on the lower end face of the fixed frame, one end of the guide rod is installed on the fixed frame, and the other end of the guide rod vertically penetrates out of the tank body; the shaft sleeve is sleeved on the supporting rod in a sliding mode, one end of the shaft sleeve is rotatably installed on the fixing frame, the other end of the shaft sleeve is installed on the rotating frame, the second gear is coaxially installed on the shaft sleeve, the first gear is coaxially installed on an output shaft of the rotating motor, and the first gear is meshed with the second gear.
By adopting the technical scheme, the guide rod on the fixing frame can limit the rotation of the fixing frame, and the fixing frame cannot rotate when the rotating motor drives the first gear to rotate; the first gear drives the second gear to rotate when rotating, the second gear drives the shaft sleeve to rotate, and the shaft sleeve drives the rotating frame to rotate, so that the brush rotates on the inner wall of the tank body and cleans oil stains.
Preferably, a spray head is arranged on the tank body, a spray hole is formed in the first bevel gear, the spray head penetrates through the spray hole to enter the tank body, and the spray head faces the inner wall of the tank body.
Through adopting above-mentioned technical scheme, it is internal that the shower nozzle passes the orifice entering jar on the first helical gear, and when first helical gear rotated, the shower nozzle encircled the circumferential direction rotation of bracing piece under the drive of first helical gear to on spouting the inner wall of jar body, wash down jar internal portion's greasy dirt, thereby increased jar cleaning speed of internal wall.
Preferably, the bottom wall of the tank body is provided with a drain pipe, and a drain valve is arranged on the drain pipe.
Through adopting above-mentioned technical scheme, take water pump and water pipe for the internal water of jar out from upper portion, need let brush stall could go out the internal water pump of jar to the time of having wasted opens the blowoff valve on the jar body, makes the greasy dirt of clearing up getting off and the water that dashes down get rid of the jar body through the blow off pipe, need not stop the brush and rotate, thereby has improved the efficiency of jar body clearance.
Preferably, be provided with the ventilation subassembly on the jar body, the ventilation subassembly is including rotating fan, third gear, fourth gear and dead lever, the one end horizontal installation of dead lever is in on the rotating turret, third gear coaxial rotation is installed on the dead lever, it is in to rotate fan coaxial arrangement the third gear is kept away from one side of rotating turret, it is internal wall towards the jar to rotate the fan, fourth gear coaxial arrangement be in the pivot of brush, the third gear with fourth gear intermeshing.
Through adopting above-mentioned technical scheme, it is rotatory to drive the fourth gear in the brush rotation, and the fourth gear drives the third gear rotation, and the third gear drives when rotating on the dead lever and rotates the fan rotation to produce the wind towards jar internal wall, thereby accelerated the evaporation of jar internal wall moisture.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the setting of runner assembly, reduced the time that the clearance oil tank need be spent, improved the cleaning efficiency of pressure oil tank inner wall.
2. Through the setting of ventilation unit spare, the evaporation of jar internal wall moisture has been accelerated.
3. Through the arrangement of the spray head and the blow-off pipe, the cleaning speed of oil stains in the tank body is increased, and the accumulation of the oil stains in the tank body is reduced.
Drawings
Fig. 1 is a schematic perspective view of an inner wall cleaning device for a pressure oil tank according to an embodiment of the present application;
fig. 2 is a schematic partial perspective view of the inner wall cleaning device for the pressure oil tank according to the embodiment of the present application (the tank body is omitted);
FIG. 3 is a schematic diagram of a partial explosion of the first driving member and the spray head of the inner wall cleaning device for the pressure oil tank according to the embodiment of the present application;
fig. 4 is a partial perspective view of a second driving member of the internal wall cleaning device for a pressure oil tank according to the embodiment of the present application;
fig. 5 is a schematic partial exploded view (with a cutaway turret) of a third helical gear and a fourth helical gear of the internal wall cleaning device for a pressure oil tank according to the embodiment of the present application;
fig. 6 is a partial schematic view of a ventilation assembly of the internal wall cleaning device for the pressure oil tank according to the embodiment of the application.
Fig. 7 is a partial schematic view of a drain pipe and a drain valve of the inner wall cleaning device for the pressure oil tank according to the embodiment of the application.
Reference numerals: 100. a frame; 102. a spray head; 103. a support bar; 110. a first driving member; 111. a drive motor; 112. a first helical gear; 113. a second helical gear; 114. spraying a hole; 120. a rotating assembly; 121. a rotating frame; 122. a third bevel gear; 123. a fourth helical gear; 124. a through hole; 130. a second driving member; 131. a fixed mount; 132. rotating the motor; 133. a first gear; 134. a second gear; 137. a vertical chute; 138. a shaft sleeve; 139. a guide rod; 140. a brush; 150. a ventilation assembly; 151. rotating the fan; 152. a third gear; 153. a fourth gear; 154. fixing the rod; 161. a blow-off pipe; 162. a blowoff valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the inner wall cleaning device for the pressure oil tank comprises a frame 100 installed outside a tank body, wherein a cleaning opening is formed in the upper end surface of the tank body.
Referring to fig. 2 and 3, a first driving member 110 and a support rod 103 are disposed on the frame 100, the first driving member 110 includes a driving motor 111, a first bevel gear 112 and a second bevel gear 113, the driving motor 111 is fixedly mounted on the frame 100, the first bevel gear 112 is coaxially and fixedly mounted on an output shaft of the driving motor 111, the second bevel gear 113 is horizontally and rotatably mounted on the tank body, the second bevel gear 113 closes the cleaning opening, and the first bevel gear 112 is engaged with the second bevel gear 113.
The supporting rod 103 is set as a screw rod, the supporting rod 103 is vertically installed in the tank body downwards, one end of the supporting rod 103 is coaxially and fixedly installed on the lower end face of the second bevel gear 113, and the other end of the supporting rod 103 is rotatably connected to the lower wall in the tank body.
The rack 100 is provided with a nozzle 102, the second bevel gear 113 is provided with a vertical nozzle 114, the nozzle 102 penetrates through the nozzle 114 and enters the tank body, the nozzle 102 faces the inner wall of the tank body, the second bevel gear 113 can drive the nozzle 102 to rotate when rotating, and the nozzle 102 sprays water to the inner wall of the tank body.
Referring to fig. 4 and 5, the support rod 103 is provided with a rotating assembly 120, the rotating assembly 120 includes a second driving member 130, and the second driving member 130 includes a fixed frame 131, a rotating motor 132, a first gear 133, a second gear 134, a bushing 138, and a guide rod 139.
The fixing frame 131 is rectangular, one end of the fixing frame 131 is provided with a vertical threaded hole, the diameter of the threaded hole is the same as that of the supporting rod 103, the fixing frame 131 is installed on the supporting rod 103 through the threaded hole, and the rotating motor 132 is vertically and fixedly installed on the lower end face of the other end of the fixing frame 131; one end of the guiding rod 139 is fixedly installed on the upper end surface of the fixing frame 131, and the other end of the guiding rod 139 vertically penetrates through the tank body upwards and passes through the rack 100.
Referring to fig. 4 and 5, the rotating assembly 120 further includes a rotating frame 121, a third helical gear 122, and three fourth helical gears 123.
The rotating frame 121 is cylindrical, a cavity is formed in the rotating frame 121, a through hole 124 penetrating through the rotating frame 121 is formed in the rotating frame 121, the through hole 124 is communicated with the cavity, the rotating frame 121 is coaxially rotatably mounted on the supporting rod 103 through the through hole 124, and the rotating frame 121 is located below the fixing frame 131.
The inner diameter of the shaft sleeve 138 is the same as the diameter of the support rod 103, the shaft sleeve 138 is slidably sleeved on the support rod 103, one end of the shaft sleeve 138 is rotatably installed on the lower end face of the fixed frame 131, the other end of the shaft sleeve 138 is coaxially and fixedly installed on the upper end face of the rotating frame 121, the second gear 134 is coaxially and fixedly installed on the shaft sleeve 138, the first gear 133 is coaxially and fixedly installed on the output shaft of the rotating motor 132, and the first gear 133 is meshed with the second gear 134.
The third bevel gear 122 is coaxially and rotatably installed in the cavity of the rotating frame 121; set up on the third helical gear 122 with the bracing piece 103 complex sliding hole that slides, the sliding hole internal fixation is provided with and is vertical slide rail, set up on the bracing piece 103 with vertical slide rail complex vertical chute 137 that slides, vertical chute 137's length direction is on a parallel with the length direction of bracing piece 103, third helical gear 122 is through the coaxial slide of sliding hole installation on bracing piece 103, vertical slide rail slides and installs in vertical chute 137.
The rotating frame 121 is provided with three brushes 140, the three brushes 140 are circumferentially distributed on the side wall of the rotating frame 121 at intervals, the brushes 140 are horizontally and rotatably installed on the rotating frame 121, the three fourth helical gears 123 are respectively and coaxially and fixedly installed at one ends of the three brushes 140 penetrating into the cavity of the rotating frame 121, one ends of the brushes 140 far away from the fourth helical gears 123 abut against the inner wall of the tank body, and the third helical gears 122 are meshed with the fourth helical gears 123.
Referring to fig. 5 and 6, three ventilation assemblies 150 are provided on the rotating frame 121, and the ventilation assemblies 150 include a rotating fan 151, a third gear 152, a fourth gear 153, and a fixing lever 154.
One end of the fixing rod 154 is horizontally and fixedly installed on the side wall of the rotating frame 121, the third gear 152 is coaxially and rotatably installed at the other end of the fixing rod 154, the fourth gear 153 is coaxially and fixedly installed on the rotating shaft of the brush 140, the third gear 152 and the fourth gear 153 are engaged with each other, the rotating fan 151 is coaxially and fixedly installed on one side of the third gear 152 far away from the rotating frame 121, and the rotating fan 151 faces the inner wall of the tank body.
Referring to fig. 7, the fixed blow off pipe 161 that is provided with of diapire of the jar body, blow off pipe 161 and jar internal chamber intercommunication, the fixed blowoff valve 162 that can close blow off pipe 161 that is provided with on the blow off pipe 161, can be with the greasy dirt and the water drainage jar body that clear up, it can to close blow off valve 162 when the clearance finishes.
The implementation principle of the inner wall cleaning device of the pressure oil tank in the embodiment of the application is as follows:
the driving motor 111 drives the first bevel gear 112 to rotate, the first bevel gear 112 drives the second bevel gear 113 to rotate, the second bevel gear 113 drives the supporting rod 103 to rotate, the fixing frame 131 on the supporting rod 103 can vertically slide when the supporting rod 103 rotates, the guide rod 139 limits the rotation of the fixing frame 131, the fixing frame 131 drives the rotating frame 121 to vertically slide through the shaft sleeve 138, the first bevel gear 112 can drive the spray head 102 to rotate around the supporting rod 103 in the tank body when rotating, and therefore water is sprayed to the periphery of the inner wall of the tank body.
The rotating motor 132 drives the first gear 133 to rotate, the first gear 133 drives the second gear 134 to rotate, the second gear 134 drives the shaft sleeve 138 to synchronously rotate, the shaft sleeve 138 drives the rotating frame 121 to rotate, the rotating frame 121 drives the brush 140 to rotate around the supporting rod 103 when rotating, when the brush 140 rotates, because the third bevel gear 122 cannot rotate, when the third bevel gear 122 and the fourth bevel gear 123 are meshed, the three fourth bevel gears 123 rotate, and when the fourth bevel gear 123 rotates, the brush 140 is driven to circumferentially rotate around the axis direction of the brush 140 on the rotating frame 121, so that the brush 140 is in self-transmission when revolving along with the rotating frame 121, and therefore oil stains on the inner wall of the tank body can be removed.
The brush 140 rotates to drive the fourth gear 153 to rotate, the fourth gear 153 drives the third gear 152 to rotate, the third gear 152 rotates to drive the rotating fan 151 to rotate, and the rotating fan 151 rotates to generate wind force blowing towards the inner wall of the tank body, so that the water on the inner wall of the tank body can be removed at high speed. The sewage pipe 161 below the tank body can discharge the cleaned oil stain and water out of the tank body, and the sewage valve 162 is closed after the cleaning is finished.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides an inner wall cleaning device of pressure oil tank which characterized in that: the rotary tank comprises a supporting rod (103) vertically installed in a tank body, the supporting rod (103) is arranged to be a screw rod, a rotating assembly (120) is arranged on the supporting rod (103), the rotating assembly (120) comprises a rotating frame (121), a third bevel gear (122), a fourth bevel gear (123) and a second driving piece (130), the second driving piece (130) is installed on the supporting rod (103), the rotating frame (121) is rotatably installed on the supporting rod (103), the rotating frame (121) is connected with the second driving piece (130), the third bevel gear (122) is horizontally rotatably installed on the rotating frame (121) and is connected with the supporting rod (103), and the second driving piece (130) drives the rotating frame (121) to rotate; a brush (140) is arranged in the tank body, the brush (140) is horizontally and rotatably arranged on the rotating frame (121), the fourth helical gear (123) is coaxially arranged at one end, away from the inner wall of the tank body, of the brush (140), the third helical gear (122) is meshed with the fourth helical gear (123), and one end, away from the rotating component (120), of the brush (140) abuts against the inner wall of the tank body; the tank body is provided with a first driving piece (110), the first driving piece (110) is connected with the supporting rod (103), the first driving piece (110) drives the supporting rod (103) to rotate, and when the supporting rod (103) rotates, the rotating assembly (120) vertically slides on the supporting rod (103).
2. The internal wall cleaning device for the pressure oil tank as claimed in claim 1, wherein: the first driving part (110) comprises a driving motor (111), a first bevel gear (112) and a second bevel gear (113), the driving motor (111) is installed at the upper end of the tank body, the first bevel gear (112) is coaxially installed on an output shaft of the driving motor (111), the second bevel gear (113) is coaxially installed on the supporting rod (103), and the first bevel gear (112) is meshed with the second bevel gear (113).
3. The internal wall cleaning device for the pressure oil tank as claimed in claim 1, wherein: the third bevel gear (122) is provided with a sliding hole (125) matched with the support rod (103) in a sliding manner, a vertical sliding rail (136) is arranged in the sliding hole (125), the support rod (103) is provided with a vertical sliding groove (137) matched with the vertical sliding rail (136) in a sliding manner, the length direction of the vertical sliding groove (137) is parallel to the length direction of the support rod (103), the third bevel gear (122) is coaxially mounted on the support rod (103) through the sliding hole (125), and the vertical sliding rail (136) is slidably mounted in the vertical sliding groove (137).
4. The internal wall cleaning device for the pressure oil tank as claimed in claim 1, wherein: the second driving piece (130) comprises a fixed frame (131), a rotating motor (132), a first gear (133), a second gear (134), a shaft sleeve (138) and a guide rod (139), the fixed frame (131) is installed on the support rod (103) in a threaded manner, the rotating motor (132) is installed on the lower end face of the fixed frame (131), one end of the guide rod (139) is installed on the fixed frame (131), and the other end of the guide rod (139) vertically penetrates out of the tank body upwards; the utility model discloses a motor, including bracing piece (103), axle sleeve (138), second gear (134), first gear (133) coaxial arrangement on the output shaft of rotation motor (132), first gear (133) with second gear (134) meshing, axle sleeve (138) slip the cover and establish on bracing piece (103), the one end rotation of axle sleeve (138) is installed on mount (131), the other end of axle sleeve (138) is installed on rotating turret (121), second gear (134) coaxial arrangement on axle sleeve (138).
5. The internal wall cleaning device for the pressure oil tank as claimed in claim 2, wherein: a spray head (102) is arranged on the tank body, a spray hole (114) is formed in the first bevel gear (112), the spray head (102) penetrates through the spray hole (114) to enter the tank body, and the spray head (102) faces the inner wall of the tank body; the diapire of jar body is provided with blow off pipe (161), be provided with blowoff valve (162) on blow off pipe (161).
6. The internal wall cleaning device for the pressure oil tank as claimed in claim 1, wherein: be provided with ventilation assembly (150) on the jar body, ventilation assembly (150) are including rotating fan (151), third gear (152), fourth gear (153) and dead lever (154), the one end horizontal installation of dead lever (154) is in on rotating turret (121), third gear (152) coaxial rotation is installed on dead lever (154), rotate fan (151) coaxial arrangement third gear (152) are kept away from one side of rotating turret (121), rotate fan (151) towards the internal wall of jar, fourth gear (153) coaxial arrangement in the pivot of brush (140), third gear (152) with fourth gear (153) intermeshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021400650.2U CN213378335U (en) | 2020-07-15 | 2020-07-15 | Inner wall cleaning device of pressure oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021400650.2U CN213378335U (en) | 2020-07-15 | 2020-07-15 | Inner wall cleaning device of pressure oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213378335U true CN213378335U (en) | 2021-06-08 |
Family
ID=76201050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021400650.2U Expired - Fee Related CN213378335U (en) | 2020-07-15 | 2020-07-15 | Inner wall cleaning device of pressure oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213378335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226373A (en) * | 2022-01-24 | 2022-03-25 | 王荣威 | Inside anti-blocking cleaning device of sludge pipe for building engineering |
-
2020
- 2020-07-15 CN CN202021400650.2U patent/CN213378335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226373A (en) * | 2022-01-24 | 2022-03-25 | 王荣威 | Inside anti-blocking cleaning device of sludge pipe for building engineering |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20210608 |