CN219772275U - Steel pipe cleaning equipment - Google Patents
Steel pipe cleaning equipment Download PDFInfo
- Publication number
- CN219772275U CN219772275U CN202223097358.XU CN202223097358U CN219772275U CN 219772275 U CN219772275 U CN 219772275U CN 202223097358 U CN202223097358 U CN 202223097358U CN 219772275 U CN219772275 U CN 219772275U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- clamping mechanism
- pipe cleaning
- mounting
- clamping
- 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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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 78
- 239000010959 steel Substances 0.000 title claims abstract description 78
- 238000004140 cleaning Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000005554 pickling Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 238000002161 passivation Methods 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 238000002791 soaking Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 235000010288 sodium nitrite Nutrition 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model relates to the technical field related to steel pipe cleaning technology, in particular to steel pipe cleaning equipment, which comprises a hydraulic component, an installation seat and a clamping component, wherein the upper end of the hydraulic component is fixed on a gantry bracket; the steel pipe is positioned and clamped by the steel pipe cleaning equipment consisting of the hydraulic component, the mounting seat and the clamping component, and the clamping component is arranged to be formed by combining the mounting shaft, the lower clamping mechanism and the upper clamping mechanism, so that the steel pipe is alternately clamped by the lower clamping mechanism and the upper clamping mechanism, each surface of the steel pipe is well cleaned, and the surface cleaning effect of the steel pipe is guaranteed.
Description
Technical Field
The utility model relates to the technical field related to steel pipe cleaning processes, in particular to steel pipe cleaning equipment and a cleaning process.
Background
The common steel pipes are easy to generate rust, oxide skin, dust and other impurities in the processes of storage, transportation, bending and blanking, so the steel pipes, especially the steel pipes for hydraulic systems, need to be cleaned before use, and the steel pipes are generally cleaned by acid washing;
in the prior art, the steel pipe is usually subjected to static pickling by directly putting the steel pipe into a pickling tank, and the pickling method has poor pickling effect and longer pickling process period;
in the prior art, the steel pipe is clamped by the clamping device, and then the steel pipe is in a motion state in the pickling process, and the pickling process has improved efficiency, but the pickling solution cannot be stably contacted with the surface of the steel pipe in the clamping point position of the clamp in the process, so that the problem of incomplete pickling of the surface of the steel pipe is caused.
Disclosure of Invention
The utility model aims to provide steel pipe cleaning equipment and a cleaning process, which are used for solving the problems of poor pickling effect and long process period of the steel pipe in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a steel pipe cleaning apparatus, the steel pipe cleaning apparatus comprising:
the upper end of the hydraulic component is fixed on the gantry bracket, and the cross beam of the gantry bracket is positioned right above the pickling tank;
the mounting seat is connected with the telescopic rod of the hydraulic assembly;
the clamping assembly is fixedly connected with the mounting seat and is formed by combining a mounting shaft, a lower clamping mechanism and an upper clamping mechanism;
the installation shaft is installed on the installation seat, and lower air cavity and upper air cavity have been seted up on the installation shaft, lower air cavity and upper air cavity's port position department is provided with one-level trachea connector and second grade trachea connector respectively, and all has seted up the mounting groove on lower air cavity and upper air cavity's the lateral wall, and the tank bottom of mounting groove has all run through and has seted up the gas pocket, and lower fixture and upper fixture all install in the mounting groove, and upper fixture's structure is the same with lower fixture's structure, and wait to wash the steel pipe and fix a position the centre gripping through the clamping component.
Preferably, the first-level air pipe connector and the second-level air pipe connector are connected with the air supply equipment through an air pipe and a second-level air pipe respectively, the air pipe and the second-level air pipe are provided with a pressure release valve and a stop valve, and the pressure release valve is arranged between the connectors and the stop valve.
Preferably, the lower clamping mechanism is formed by combining a piston, a supporting plate, a piston rod, a reset spring, a lantern ring, a positioning piece and a clamping plate, wherein the piston is movably arranged in the mounting groove, the piston is fixedly glued with the supporting plate, the piston rod is fixedly connected with the supporting plate, and the clamping plate is fixedly connected with the piston rod.
Preferably, the return spring and the lantern ring are both sleeved on the piston rod, the lantern ring is connected with the supporting plate through the return spring, and the lantern ring is limited through the locating piece.
Preferably, the locating piece comprises screw rod and nut combination, and all runs through on screw rod and the nut and has seted up the through-hole, and the inside wall port position department of mounting groove has seted up the internal thread structure, and the locating piece is revolved and is twisted in the mounting groove.
Preferably, the lateral wall of grip block is the arc setting, and the lateral wall radian value of grip block coincide with the inside wall radian value of steel pipe, and has seted up countersunk bolt hole on the grip block, and the external screw thread structure has been seted up to the tip of piston rod, and the grip block passes through the nut location on the piston rod.
Preferably, when the lower clamping mechanism and the upper clamping mechanism clamp the steel pipe, clamping plates on the lower clamping mechanism and the upper clamping mechanism are alternately propped against the inner side wall of the steel pipe.
Preferably, a servo motor is fixedly installed on the vertical side wall of the installation seat, a transmission gear is fixedly installed on a rotor of the servo motor, the installation shaft is rotatably installed on the installation seat, a driven gear is fixedly installed at the upper end of the installation shaft, and the driven gear is meshed with the transmission gear.
Preferably, the mounting shaft is in positive and negative reciprocating motion when actually moving, and the rotation angle of the mounting shaft ranges from ninety degrees in negative direction to ninety degrees in positive direction.
The steel pipe cleaning process is performed by the steel pipe cleaning equipment and comprises the following steps of:
step one: the acid liquor is mixed acid formed by combining sulfuric acid and hydrochloric acid, and the addition ratio of the sulfuric acid to the hydrochloric acid is 1:2;
step two: the method comprises the following steps of (1) flushing the surface of a steel pipe by using tap water in the flushing process of clean water;
step three: the alkali liquor is sodium carbonate solution in the neutralization treatment process;
step four: the surface passivation treatment process of the steel pipe comprises the step of using a passivation solution of sodium nitrite solution in the surface passivation treatment process of the steel pipe;
and the steel pipe is positioned and clamped by the steel pipe cleaning equipment in the soaking process of the acid liquor, the neutralization treatment process of the alkali liquor and the surface passivation treatment process of the steel pipe.
Compared with the prior art, the utility model has the following beneficial effects:
the steel pipe is positioned and clamped by the steel pipe cleaning equipment consisting of the hydraulic component, the mounting seat and the clamping component, and the clamping component is arranged to be formed by combining the mounting shaft, the lower clamping mechanism and the upper clamping mechanism, so that the steel pipe is alternately clamped by the lower clamping mechanism and the upper clamping mechanism, each surface of the steel pipe is well cleaned, and the surface cleaning effect of the steel pipe is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting position of the clamping assembly of the present utility model;
FIG. 3 is a schematic view of a clamping assembly according to the present utility model;
FIG. 4 is a half cross-sectional view of a clamping assembly of the present utility model;
FIG. 5 is a schematic view of the piston rod, return spring, collar positions;
FIG. 6 is a schematic view of a clamping plate structure according to the present utility model;
fig. 7 is a schematic view of a positioning member according to the present utility model.
In the figure: the hydraulic assembly 1, the mounting seat 2, the clamping assembly 3, the steel pipe 4, the mounting shaft 5, the lower clamping mechanism 6, the upper clamping mechanism 7, the lower air cavity 8, the upper air cavity 9, the primary air pipe connecting port 10, the secondary air pipe connecting port 11, the mounting groove 12, the air hole 13, the piston 14, the supporting plate 15, the piston rod 16, the return spring 17, the lantern ring 18, the positioning piece 19, the clamping plate 20, the countersunk bolt hole 21, the screw 22, the nut 23, the driven gear 24, the servo motor 25, the transmission gear 26 and the through hole 27.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1-7, the present utility model provides the following five preferred embodiments:
example 1
The utility model provides a steel pipe cleaning equipment, steel pipe cleaning equipment includes hydraulic assembly 1, mount pad 2, clamping assembly 3, hydraulic assembly 1's upper end is fixed on the longmen support, and the crossbeam of longmen support is located the pickling bath directly over, mount pad 2 is connected with hydraulic assembly 1's telescopic link, clamping assembly 3 and mount pad 2 fixed connection, and clamping assembly 3 comprises mounting axle 5, lower clamping mechanism 6 and upper clamping mechanism 7 combination, mounting axle 5 installs on mount pad 2, and lower air cavity 8 and upper air cavity 9 have been seted up on the mounting axle 5, lower air cavity 8 and upper air cavity 9's port position department is provided with first order trachea connector 10 and second grade trachea connector 11 respectively, and all set up mounting groove 12 on lower air cavity 8 and upper air cavity 9's the lateral wall, and the tank bottom of mounting groove 12 has all run through and seted up gas pocket 13, and lower clamping mechanism 6 and upper clamping mechanism 7 all install in mounting groove 12, and the structure of upper clamping mechanism 7 is the same with lower clamping mechanism 6, and wait to wash steel pipe clamping mechanism 4 and fix a position through clamping assembly 3.
The primary air pipe connecting port 10 and the secondary air pipe connecting port 11 are respectively connected with air supply equipment through an air pipe and a secondary air pipe, a pressure release valve and a stop valve are arranged on the air pipe and the secondary air pipe, and the pressure release valve is arranged between the connecting port and the stop valve.
The lower clamping mechanism 6 is formed by combining a piston 14, a supporting plate 15, a piston rod 16, a return spring 17, a lantern ring 18, a positioning piece 19 and a clamping plate 20, wherein the piston 14 is movably arranged in the mounting groove 12, the piston 14 is fixedly glued with the supporting plate 15, the piston rod 16 is fixedly connected with the supporting plate 15, and the clamping plate 20 is fixedly connected with the piston rod 16.
The return spring 17 and the collar 18 are both sleeved on the piston rod 16, the collar 18 is connected with the supporting plate 15 through the return spring 17, and the collar 18 is limited through the positioning piece 19.
The steel pipe 4 is positioned and clamped by the steel pipe cleaning equipment formed by combining the hydraulic component 1, the mounting seat 2 and the clamping component 3, and the clamping component 3 is formed by combining the mounting shaft 5, the lower clamping mechanism 6 and the upper clamping mechanism 7, so that the steel pipe 4 is alternately clamped by the lower clamping mechanism 6 and the upper clamping mechanism 7, each surface of the steel pipe 4 is well cleaned, and the surface cleaning effect of the steel pipe 4 is guaranteed.
Example two
On the basis of the first embodiment, the positioning piece 19 is formed by combining a screw rod 22 and a nut 23, through holes 27 are formed in the screw rod 22 and the nut 23 in a penetrating manner, an internal thread structure is formed at the port position of the inner side wall of the mounting groove 12, and the positioning piece 19 is screwed in the mounting groove 12, so that the clamping assembly 3 can be conveniently detached.
Example III
On the basis of the second embodiment, the outer side wall of the clamping plate 20 is arc-shaped, the radian value of the outer side wall of the clamping plate 20 is identical to that of the inner side wall of the steel pipe 4, the clamping plate 20 is provided with a countersunk bolt hole 21, the end part of the piston rod 16 is provided with an external thread structure, and the clamping plate 20 is positioned on the piston rod 16 through a nut on the piston rod 16.
When the lower clamping mechanism 6 and the upper clamping mechanism 7 clamp the steel pipe 4, the clamping plates 20 on the lower clamping mechanism 6 and the upper clamping mechanism 7 alternately abut against the inner side wall of the steel pipe 4.
Example IV
On the basis of the third embodiment, a servo motor 25 is fixedly installed on the vertical side wall of the installation seat 2, a transmission gear 26 is fixedly installed on a rotor of the servo motor 25, the installation shaft 5 is rotatably installed on the installation seat 2, a driven gear 24 is fixedly installed at the upper end of the installation shaft 5, and the driven gear 24 is meshed with the transmission gear 26.
The installation shaft 5 is in positive and negative reciprocating motion during actual motion, and the rotation angle range of the installation shaft 5 is from ninety degrees in negative direction to ninety degrees in positive direction, so that the steel pipe 4 can continuously perform positive and negative rotation, and the surface treatment effect of the treatment fluid on the steel pipe 4 is improved.
Example five
On the basis of the fourth embodiment, a steel pipe cleaning process is performed by the steel pipe cleaning apparatus, and the cleaning process comprises the following steps:
step one: the acid liquor is mixed acid formed by combining sulfuric acid and hydrochloric acid in the acid liquor soaking process, and the adding ratio of the sulfuric acid to the hydrochloric acid is 1:2;
step two: the method comprises the following steps of (1) flushing the surface of a steel pipe by using tap water in the flushing process of clean water;
step three: the alkali liquor is sodium carbonate solution in the neutralization treatment process;
step four: the surface passivation treatment process of the steel pipe comprises the step of using a passivation solution of sodium nitrite solution in the surface passivation treatment process of the steel pipe;
and the steel pipe is positioned and clamped by the steel pipe cleaning equipment in the soaking process of the acid liquor, the neutralization treatment process of the alkali liquor and the surface passivation treatment process of the steel pipe.
While the foregoing describes illustrative embodiments of the present utility model so that those skilled in the art may understand the present utility model, the present utility model is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present utility model as long as the modifications are within the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
Claims (9)
1. The utility model provides a steel pipe cleaning equipment which characterized in that: the steel pipe cleaning device includes:
the upper end of the hydraulic assembly (1) is fixed on the gantry bracket, and the cross beam of the gantry bracket is positioned right above the pickling tank;
the mounting seat (2), the said mounting seat (2) is connected with telescopic link of the hydraulic assembly (1);
the clamping assembly (3), the clamping assembly (3) is fixedly connected with the mounting seat (2), and the clamping assembly (3) is formed by combining a mounting shaft (5), a lower clamping mechanism (6) and an upper clamping mechanism (7);
the installation shaft (5) is installed on the installation seat (2), and lower air cavity (8) and upper air cavity (9) are arranged on the installation shaft (5), one-level air pipe connecting port (10) and two-level air pipe connecting port (11) are respectively arranged at the port positions of the lower air cavity (8) and the upper air cavity (9), mounting grooves (12) are formed in the side walls of the lower air cavity (8) and the upper air cavity (9), air holes (13) are formed in the bottoms of the mounting grooves (12) in a penetrating mode, lower clamping mechanisms (6) and upper clamping mechanisms (7) are arranged in the mounting grooves (12), the structures of the upper clamping mechanisms (7) are identical to those of the lower clamping mechanisms (6), and steel pipes to be cleaned (4) are positioned and clamped through the clamping assemblies (3).
2. A steel pipe cleaning apparatus according to claim 1, wherein: the primary air pipe connecting port (10) and the secondary air pipe connecting port (11) are connected with air supply equipment through an air pipe and a secondary air pipe respectively, a pressure release valve and a stop valve are arranged on the air pipe and the secondary air pipe respectively, and the pressure release valve is arranged between the connecting port and the stop valve.
3. A steel pipe cleaning apparatus according to claim 1, wherein: the lower clamping mechanism (6) is formed by combining a piston (14), a supporting plate (15), a piston rod (16), a reset spring (17), a lantern ring (18), a positioning piece (19) and a clamping plate (20), wherein the piston (14) is movably arranged in an installation groove (12), the piston (14) is fixedly glued with the supporting plate (15), the piston rod (16) is fixedly connected with the supporting plate (15), and the clamping plate (20) is fixedly connected with the piston rod (16).
4. A steel pipe cleaning apparatus according to claim 3, wherein: the return spring (17) and the lantern ring (18) are both sleeved on the piston rod (16), the lantern ring (18) is connected with the supporting plate (15) through the return spring (17), and the lantern ring (18) is limited through the locating piece (19).
5. A steel pipe cleaning apparatus according to claim 4, wherein: the locating piece (19) is formed by combining a screw rod (22) and a screw cap (23), through holes (27) are formed in the screw rod (22) and the screw cap (23) in a penetrating mode, an inner thread structure is formed in the position of the port of the inner side wall of the mounting groove (12), and the locating piece (19) is screwed into the mounting groove (12).
6. A steel pipe cleaning apparatus according to claim 5, wherein: the outer side wall of grip block (20) is the arc setting, and the outer side wall radian value of grip block (20) is identical with the inside wall radian value of steel pipe (4), and has seted up countersunk bolt hole (21) on grip block (20), and the external screw thread structure has been seted up to the tip of piston rod (16), and grip block (20) are fixed a position on piston rod (16) through the nut on piston rod (16).
7. A steel pipe cleaning apparatus according to claim 6, wherein: when the lower clamping mechanism (6) and the upper clamping mechanism (7) clamp the steel pipe (4), clamping plates (20) on the lower clamping mechanism (6) and the upper clamping mechanism (7) are alternately abutted against the inner side wall of the steel pipe (4).
8. A steel pipe cleaning apparatus according to claim 1, wherein: the automatic transmission device is characterized in that a servo motor (25) is fixedly arranged on the vertical side wall of the mounting seat (2), a transmission gear (26) is fixedly arranged on a rotor of the servo motor (25), the mounting shaft (5) is rotatably arranged on the mounting seat (2), a driven gear (24) is fixedly arranged at the upper end of the mounting shaft (5), and the driven gear (24) is meshed with the transmission gear (26).
9. A steel pipe cleaning apparatus according to claim 8, wherein: the mounting shaft (5) is in positive and negative reciprocating motion when actually moving, and the rotation angle range of the mounting shaft (5) is from ninety degrees in negative direction to ninety degrees in positive direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223097358.XU CN219772275U (en) | 2022-11-22 | 2022-11-22 | Steel pipe cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223097358.XU CN219772275U (en) | 2022-11-22 | 2022-11-22 | Steel pipe cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772275U true CN219772275U (en) | 2023-09-29 |
Family
ID=88135781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223097358.XU Active CN219772275U (en) | 2022-11-22 | 2022-11-22 | Steel pipe cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772275U (en) |
-
2022
- 2022-11-22 CN CN202223097358.XU patent/CN219772275U/en active Active
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