CN208854383U - Rust removing device for steel tube is used in direct-buried thermal insulation pipe production - Google Patents
Rust removing device for steel tube is used in direct-buried thermal insulation pipe production Download PDFInfo
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- CN208854383U CN208854383U CN201821791897.4U CN201821791897U CN208854383U CN 208854383 U CN208854383 U CN 208854383U CN 201821791897 U CN201821791897 U CN 201821791897U CN 208854383 U CN208854383 U CN 208854383U
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Abstract
The utility model relates to insulating tube production equipment fields, more particularly to a kind of direct-buried thermal insulation pipe production rust removing device for steel tube, component, support frame and base plate are adjusted including derusting component, position, the derusting component includes servo motor, motor cabinet, transverse frame plate, rotary shaft, driving gear, outer gear ring, rotating ring, multiple rust removal wheels, preceding annular groove, rear annular groove, front arc sliding block, rear arc sliding block, preceding riser, rear riser and fixed yoke plate；The servo motor is fixedly connected on the rear end of transverse frame plate by motor cabinet, and the output shaft of servo motor connects rotary shaft by shaft coupling；The rear and front end of the rotary shaft is rotatably assorted respectively to be connected on preceding riser and rear riser；The utility model effectively can carry out processing of rust removing to steel tube surface, and it is suitable for the steel pipes to different-diameter to carry out surface derusting processing.
Description
Technical field
The utility model relates to insulating tube production equipment fields, are removed more particularly to a kind of direct-buried thermal insulation pipe production with steel pipe
Become rusty device.
Background technique
Insulating tube is the abbreviation of insulated piping, for the conveying of liquid, gas and other media, in petroleum, chemical industry, boat
It, military affairs, central heating, central air-conditioning, the pipelines such as municipal administration adiabatic heat-insulation engineering be widely used.In general, municipal pipe
Diameter is that the insulating tube of DN800-DN1400 is divided into three-decker from inside to outside.First layer: working steel tube layer, abbreviation steel pipe.Steel pipe
According to Customer design and require general selection seamless steel pipe, spiral steel pipe and steel pipes with straight.And steel pipe processing when, steel tube surface
Need to can be only achieved the requirement of relevant criterion by processing of rust removing.
Utility model content
The purpose of the utility model is to provide a kind of direct-buried thermal insulation pipe production rust removing device for steel tube, can be effectively to steel
Pipe surface carries out processing of rust removing, and it is suitable for the steel pipes to different-diameter to carry out surface derusting processing.
The purpose of this utility model is achieved through the following technical solutions:
Direct-buried thermal insulation pipe production rust removing device for steel tube, including derusting component, position adjust component, support frame and pedestal
Plate, the derusting component includes servo motor, motor cabinet, transverse frame plate, rotary shaft, driving gear, outer gear ring, rotating ring, multiple
Rust removal wheel, preceding annular groove, rear annular groove, front arc sliding block, rear arc sliding block, preceding riser, rear riser and fixed yoke plate；It is described to watch
The rear end that motor is fixedly connected on transverse frame plate by motor cabinet is taken, the output shaft of servo motor connects rotary shaft by shaft coupling；
The rear and front end of the rotary shaft is rotatably assorted respectively to be connected on preceding riser and rear riser；The rear end of riser is fixed after described connects
It connects on transverse frame plate, preceding riser is fixedly connected on transverse frame plate by fixed yoke plate；The driving gear is fixedly connected on rotation
On axis, drive gear between preceding riser and rear riser；The driving gear engagement connection outer gear ring, outer gear ring are fixedly connected
On rotating ring；The leading flank of the rotating ring is equipped with preceding annular groove, and the trailing flank of rotating ring is equipped with rear annular groove；It is described
The lower end of preceding riser is fixedly connected with front arc sliding block, and front arc sliding block is slidably connected in preceding annular groove；Riser after described
Lower end be fixedly connected with rear arc sliding block, rear arc sliding block is slidably connected in rear annular groove；The front arc sliding block and
Rear arc sliding block is oppositely arranged on the rear and front end of rotating ring；The inside of the rotating ring is uniformly fixedly connected with multiple rust removal wheels；
The transverse frame plate is threadedly attached in position and adjusts on component；The position adjusts component and is fixedly connected on support
On frame；Support frame as described above is fixedly connected on base plate.
It includes driving motor, drive sprocket, by movable sprocket, chain, screw rod, postive stop baffle and cross that the position, which adjusts component,
Seat board；The driving motor is fixedly connected on the middle-end of thwart, and the lower end of thwart is fixedly connected on the support frame；The drive
Drive sprocket is fixedly connected on the output shaft of dynamic motor, drive sprocket connects two by movable sprocket, two quilts by chain drive
Movable sprocket is respectively fixedly connected on a screw rod, and one end of two screw rods is rotatably connected on the both ends of thwart, two spiral shells respectively
The other end of bar is rotatably connected on the both ends of postive stop baffle respectively；The transverse frame plate is threadedly attached on two screw rods, horizontal
Frame plate is between postive stop baffle and thwart.
The medial surface of the preceding riser and rear riser is bonded with the leading flank of rotating ring and lateral surface respectively.
The rust removal wheel includes mounting base, rectangle frame plate, screws block, external screw thread adjusting rod, hexagonal prisms and grinding roller；The peace
Dress seat is fixedly connected on the medial surface of rotating ring；The rectangle frame plate is fixedly connected on the middle-end of mounting base；It is described to screw block
It is fixedly connected on one end of external screw thread adjusting rod, the other end of external screw thread adjusting rod is threadedly attached in the interior of hexagonal prisms one end
Side, hexagonal prisms are slidably connected in mounting base, and the other end of hexagonal prisms is fixedly connected with grinding roller, and grinding roller is located at the outer of mounting base
Side；The external screw thread adjusting rod is rotatably connected on rectangle frame plate by rolling bearing units, and rectangle frame plate, which is located at, screws block and six ribs
Between column.
The utility model has the beneficial effects that a kind of direct-buried thermal insulation pipe production rust removing device for steel tube of the utility model,
Processing of rust removing effectively can be carried out to steel tube surface, and it is suitable for the steel pipes to different-diameter to carry out surface derusting processing；Its
Derusting effect is good, and rust cleaning efficiency is high, can effectively improve the production and processing efficiency of insulating tube.
Detailed description of the invention
Fig. 1 is the overall structure diagram one of the utility model；
Fig. 2 is the overall structure diagram two of the utility model；
Fig. 3 is the structural schematic diagram one of derusting component inside the utility model；
Fig. 4 is the structural schematic diagram two of derusting component inside the utility model；
Fig. 5 is the structural schematic diagram of the utility model internal rotating ring；
Fig. 6 is the structural schematic diagram of rust removal wheel inside the utility model；
Fig. 7 is the structural schematic diagram that the utility model interior location adjusts component.
In figure: derusting component 1；Servo motor 1-1；Motor cabinet 1-2；Transverse frame plate 1-3；Rotary shaft 1-4；Drive gear 1-5；
Outer gear ring 1-6；Rotating ring 1-7；Rust removal wheel 1-8；Mounting base 1-8-1；Rectangle frame plate 1-8-2；Screw block 1-8-3；External screw thread tune
Pole 1-8-4；Hexagonal prisms 1-8-5；Grinding roller 1-8-6；Preceding annular groove 1-9；Annular groove 1-10 afterwards；Front arc sliding block 1-11；Backarc
Shape sliding block 1-12；Preceding riser 1-13；Riser 1-14 afterwards；Fixed yoke plate 1-15；Position adjusts component 2；Driving motor 2-1；Actively
Sprocket wheel 2-2；By movable sprocket 2-3；Chain 2-4；Screw rod 2-5；Postive stop baffle 2-6；Thwart 2-7；Support frame 3；Base plate 4.
Specific embodiment
1-7 is described in further detail the utility model with reference to the accompanying drawing.
Specific embodiment 1:
As shown in figs. 1-7, direct-buried thermal insulation pipe production use rust removing device for steel tube, including derusting component 1, position adjust component 2,
Support frame 3 and base plate 4, the derusting component 1 include servo motor 1-1, motor cabinet 1-2, transverse frame plate 1-3, rotary shaft 1-4,
Drive gear 1-5, outer gear ring 1-6, rotating ring 1-7, multiple rust removal wheel 1-8, preceding annular groove 1-9, rear annular groove 1-10, front arc
Sliding block 1-11, rear arc sliding block 1-12, preceding riser 1-13, rear riser 1-14 and fixed yoke plate 1-15；The servo motor 1-1 is logical
The rear end that motor cabinet 1-2 is fixedly connected on transverse frame plate 1-3 is crossed, the output shaft of servo motor 1-1 connects rotary shaft by shaft coupling
1-4；The rear and front end of the rotary shaft 1-4 is rotatably assorted respectively to be connected on preceding riser 1-13 and rear riser 1-14；After described
The rear end of riser 1-14 is fixedly connected on transverse frame plate 1-3, and preceding riser 1-13 is fixedly connected on crossbearer by fixed yoke plate 1-15
On plate 1-3；The driving gear 1-5 is fixedly connected on rotary shaft 1-4, and driving gear 1-5 is located at preceding riser 1-13 and erects afterwards
Between plate 1-14；The driving gear 1-5 engagement connection outer gear ring 1-6, outer gear ring 1-6 are fixedly connected on rotating ring 1-7；Institute
The leading flank for stating rotating ring 1-7 is equipped with preceding annular groove 1-9, and the trailing flank of rotating ring 1-7 is equipped with rear annular groove 1-10；It is described
The lower end of preceding riser 1-13 is fixedly connected with front arc sliding block 1-11, and front arc sliding block 1-11 is slidably connected in preceding annular groove 1-
In 9；The lower end of riser 1-14 is fixedly connected with rear arc sliding block 1-12 after described, and rear arc sliding block 1-12 is slidably connected rear
In annular groove 1-10；The front arc sliding block 1-11 and rear arc sliding block 1-12 is oppositely arranged on the rear and front end of rotating ring 1-7；
The inside of the rotating ring 1-7 is uniformly fixedly connected with multiple rust removal wheel 1-8；
The transverse frame plate 1-3 is threadedly attached in position and adjusts on component 2；The position adjusts component 2 and is fixedly connected
On support frame 3；Support frame as described above 3 is fixedly connected on base plate 4.The direct-buried thermal insulation pipe production of the utility model is removed with steel pipe
Become rusty device, when in use, the tubing of pending surface derusting is inserted into the inside of derusting component 1 by pipe bracket first；
Then position is adjusted into component 2 and derusting component 1 is respectively communicated with power supply and by control switch unlatching；The position adjusts component
Derusting component 1 can be driven to carry out horizontal movement when 2 work, thus by derusting component 1 to the different location of steel tube surface into
Row processing of rust removing, it is described derusting component 1 inside servo motor 1-1 unlatching after, servo motor 1-1 can drive rotary shaft 1-4
It is rotated, rotary shaft 1-4 can drive driving gear 1-5 to be rotated when rotating, driving gear 1-5 can drive when rotating
Outer gear ring 1-6 is rotated, and outer gear ring 1-6 can drive rotating ring 1-7 to be rotated around own axes when rotating, and is rotated
Multiple rust removal wheel 1-8 can be driven to carry out surround movement when ring 1-7 rotary motion, thus by multiple rust removal wheel 1-8 to steel pipe
Surface carries out derusting polishing treatment；Front arc sliding block 1-11 is in the inside of preceding annular groove 1-9 when the rotating ring 1-7 rotary motion
It is slided, rear arc sliding block 1-12 is slided on the inside of rear annular groove 1-10；The front arc sliding block 1-11 and backarc
Shape sliding block 1-12 plays the role of block limit to rotating ring 1-7, is to guarantee that rotating ring 1-7 carries out the premise for surrounding rotation；Institute
Preceding riser 1-13 and rear riser 1-14 is stated to play the role of assisting block limit to rotating ring 1-7；The servo motor 1-1 is used
The motor purchased in the market.
Specific embodiment 2:
As shown in figs. 1-7, the position adjust component 2 include driving motor 2-1, drive sprocket 2-2, by movable sprocket 2-3,
Chain 2-4, screw rod 2-5, postive stop baffle 2-6 and thwart 2-7；The driving motor 2-1 is fixedly connected in thwart 2-7
End, the lower end of thwart 2-7 is fixedly connected on support frame 3；Drive chain is fixedly connected on the output shaft of the driving motor 2-1
2-2 is taken turns, drive sprocket 2-2 is sequentially connected two by movable sprocket 2-3 by chain 2-4, and two are respectively fixedly connected by movable sprocket 2-3
On a screw rod 2-5, one end of two screw rod 2-5 is rotatably connected on the both ends of thwart 2-7 respectively, two screw rod 2-5's
The other end is rotatably connected on the both ends of postive stop baffle 2-6 respectively；The transverse frame plate 1-3 is threadedly attached in two screw rod 2-5
On, transverse frame plate 1-3 is between postive stop baffle 2-6 and thwart 2-7.The position adjusts component 2 when in use, driving motor
After 2-1 is connected to power supply and is opened by control switch, driving motor 2-1 can drive drive sprocket 2-2 to be rotated, drive chain
Two can be driven by chain 2-4 when wheel 2-2 rotation to be rotated by movable sprocket 2-3, two can when being rotated by movable sprocket 2-3
To drive two screw rod 2-5 to be rotated around own axes, two screw rod 2-5 can drive transverse frame plate 1-3 to carry out water when rotating
Square to movement, to drive derusting component 1 to carry out processing of rust removing to the different location of steel tube surface by transverse frame plate 1-3；
The driving motor 2-1 is that purchases in the market can carry out the motor of reciprocating rotation.
Specific embodiment 3:
As shown in figs. 1-7, the medial surface of the preceding riser 1-13 and rear riser 1-14 leading flank with rotating ring 1-7 respectively
It is bonded with lateral surface.The preceding riser 1-13 and rear riser 1-14 plays the role of rotating ring 1-7 to assist block limit.
Specific embodiment 4:
As shown in figs. 1-7, the rust removal wheel 1-8 includes mounting base 1-8-1, rectangle frame plate 1-8-2, screws block 1-8-3, is outer
Screw thread adjusting rod 1-8-4, hexagonal prisms 1-8-5 and grinding roller 1-8-6；The mounting base 1-8-1 is fixedly connected on the interior of rotating ring 1-7
On side；The rectangle frame plate 1-8-2 is fixedly connected on the middle-end of mounting base 1-8-1；The block 1-8-3 that screws is fixedly connected on
The other end of one end of external screw thread adjusting rod 1-8-4, external screw thread adjusting rod 1-8-4 is threadedly attached in hexagonal prisms 1-8-5 mono-
The inside at end, hexagonal prisms 1-8-5 are slidably connected on mounting base 1-8-1, and the other end of hexagonal prisms 1-8-5 is fixedly connected with mill
Roller 1-8-6, grinding roller 1-8-6 are located at the outside of mounting base 1-8-1；The external screw thread adjusting rod 1-8-4 is rotated by rolling bearing units
It is connected on rectangle frame plate 1-8-2.The rust removal wheel 1-8 when in use, can remove steel tube surface by grinding roller 1-8-6
Rust processing or polishing treatment, grinding roller 1-8-6 can select the metal grinding roller purchased in the market；The rust removal wheel 1-8 when in use,
Block 1-8-3 can be screwed to adjust the position of grinding roller 1-8-6 by rotation, thus contact grinding roller 1-8-6 with the surface of steel pipe,
Convenient for carrying out derusting or polishing treatment to steel pipe；External screw thread adjusting rod 1-8-4 can be driven to be turned when screwing block 1-8-3 rotation
Dynamic, it, which is inserted into the depth inside hexagonal prisms 1-8-5, when external screw thread adjusting rod 1-8-4 is rotated to be adjusted, to drive
Hexagonal prisms 1-8-5 is slided on mounting base 1-8-1, and then drives the position of grinding roller 1-8-6 to occur by hexagonal prisms 1-8-5
Variation, so that grinding roller 1-8-6 is suitable for carrying out the steel pipe of different tube diameters derusting or polishing.
The working principle of the utility model are as follows: the direct-buried thermal insulation pipe production rust removing device for steel tube of the utility model makes
The tubing of pending surface derusting is inserted into the inside of derusting component 1 by the used time by pipe bracket first；Then by position tune
Section component 2 and derusting component 1 are respectively communicated with power supply and are opened by control switch；The position is adjusted when component 2 works can be with
Derusting component 1 is driven to carry out horizontal movement, so that processing of rust removing is carried out by different location of the derusting component 1 to steel tube surface,
After servo motor 1-1 inside the derusting component 1 is opened, servo motor 1-1 can drive rotary shaft 1-4 to be rotated, rotation
Shaft 1-4 rotate when can drive driving gear 1-5 rotated, driving gear 1-5 rotation when can drive outer gear ring 1-6 into
Row rotation, outer gear ring 1-6 can drive rotating ring 1-7 to be rotated around own axes when rotating, rotating ring 1-7 rotation fortune
Multiple rust removal wheel 1-8 can be driven to carry out surround movement when dynamic, to derust by multiple rust removal wheel 1-8 to steel tube surface
Polishing treatment；Front arc sliding block 1-11 is slided on the inside of preceding annular groove 1-9 when the rotating ring 1-7 rotary motion, after
Arc shaped slider 1-12 is slided on the inside of rear annular groove 1-10；1-12 pairs of the front arc sliding block 1-11 and rear arc sliding block
Rotating ring 1-7 plays the role of block limit, is to guarantee that rotating ring 1-7 carries out the premise for surrounding rotation；The preceding riser 1-13
Play the role of assisting block limit to rotating ring 1-7 with rear riser 1-14；What the servo motor 1-1 use was purchased in the market
Motor；The position adjusts component 2 when in use, after driving motor 2-1 is connected to power supply and is opened by control switch, driving electricity
Machine 2-1 can drive drive sprocket 2-2 to be rotated, can be passive by chain 2-4 drive two when drive sprocket 2-2 is rotated
Sprocket wheel 2-3 is rotated, and two can drive two screw rod 2-5 to be rotated around own axes when being rotated by movable sprocket 2-3, and two
Root screw rod 2-5 can drive transverse frame plate 1-3 to carry out the movement of horizontal direction when rotating, to drive derusting by transverse frame plate 1-3
Component 1 carries out processing of rust removing to the different location of steel tube surface；The driving motor 2-1 is that can carrying out of purchasing in the market is past
The motor of compound rotation；The rust removal wheel 1-8 when in use, can carry out processing of rust removing to steel tube surface by grinding roller 1-8-6
Or polishing treatment, grinding roller 1-8-6 can select the metal grinding roller purchased in the market；The rust removal wheel 1-8 when in use, Ke Yitong
Cross rotation and screw block 1-8-3 to adjust the position of grinding roller 1-8-6, so that grinding roller 1-8-6 be made to contact with the surface of steel pipe, convenient for pair
Steel pipe carries out derusting or polishing treatment；External screw thread adjusting rod 1-8-4 can be driven to be rotated when screwing block 1-8-3 rotation, outside
It, which is inserted into the depth inside hexagonal prisms 1-8-5, when screw thread adjusting rod 1-8-4 is rotated to be adjusted, to drive hexagonal prisms
1-8-5 is slided on mounting base 1-8-1, and then drives the position of grinding roller 1-8-6 to change by hexagonal prisms 1-8-5,
So that grinding roller 1-8-6 is suitable for carrying out the steel pipe of different tube diameters derusting or polishing.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (4)
1. direct-buried thermal insulation pipe production rust removing device for steel tube, including derusting component (1), position adjust component (2), support frame (3)
With base plate (4), it is characterised in that: the derusting component (1) includes servo motor (1-1), motor cabinet (1-2), transverse frame plate (1-
3), rotary shaft (1-4), driving gear (1-5), outer gear ring (1-6), rotating ring (1-7), multiple rust removal wheels (1-8), preceding annular groove
(1-9), rear annular groove (1-10), front arc sliding block (1-11), rear arc sliding block (1-12), preceding riser (1-13), rear riser (1-
14) and it is fixed yoke plate (1-15)；After the servo motor (1-1) is fixedly connected on transverse frame plate (1-3) by motor cabinet (1-2)
The output shaft at end, servo motor (1-1) connects rotary shaft (1-4) by shaft coupling；The rear and front end of the rotary shaft (1-4) point
It is not rotatably assorted and is connected on preceding riser (1-13) and rear riser (1-14)；The rear end of riser (1-14) is fixedly connected on after described
On transverse frame plate (1-3), preceding riser (1-13) passes through fixed yoke plate (1-15) and is fixedly connected on transverse frame plate (1-3)；The driving
Gear (1-5) is fixedly connected on rotary shaft (1-4), and driving gear (1-5) is located at preceding riser (1-13) and rear riser (1-14)
Between；Driving gear (1-5) engagement connection outer gear ring (1-6), outer gear ring (1-6) are fixedly connected on rotating ring (1-7)；
The leading flank of the rotating ring (1-7) is equipped with preceding annular groove (1-9), and the trailing flank of rotating ring (1-7) is equipped with rear annular groove
(1-10)；The lower end of the preceding riser (1-13) is fixedly connected front arc sliding block (1-11), and front arc sliding block (1-11) sliding is matched
Conjunction is connected in preceding annular groove (1-9)；The lower end of riser (1-14) is fixedly connected with rear arc sliding block (1-12), rear arc after described
Sliding block (1-12) sliding connection is in rear annular groove (1-10)；The front arc sliding block (1-11) and rear arc sliding block (1-
12) it is oppositely arranged on the rear and front end of rotating ring (1-7)；The inside of the rotating ring (1-7) is uniformly fixedly connected with multiple derusting
It takes turns (1-8)；
The transverse frame plate (1-3) is threadedly attached in position and adjusts on component (2)；The position adjusts component (2) fixed company
It connects on support frame (3)；Support frame as described above (3) is fixedly connected on base plate (4).
2. direct-buried thermal insulation pipe production rust removing device for steel tube according to claim 1, it is characterised in that: the position is adjusted
Component (2) includes driving motor (2-1), drive sprocket (2-2), by movable sprocket (2-3), chain (2-4), screw rod (2-5), limit
Baffle (2-6) and thwart (2-7)；The driving motor (2-1) is fixedly connected on the middle-end of thwart (2-7), thwart (2-
7) lower end is fixedly connected on support frame (3)；Drive sprocket (2- is fixedly connected on the output shaft of the driving motor (2-1)
2), drive sprocket (2-2) is sequentially connected two by movable sprocket (2-3) by chain (2-4), and two each solid by movable sprocket (2-3)
Surely it being connected on a screw rod (2-5), one end of two screw rods (2-5) is rotatably connected on the both ends of thwart (2-7) respectively, and two
The other end of root screw rod (2-5) is rotatably connected on the both ends of postive stop baffle (2-6) respectively；The transverse frame plate (1-3) passes through screw thread
It is connected on two screw rods (2-5), transverse frame plate (1-3) is located between postive stop baffle (2-6) and thwart (2-7).
3. direct-buried thermal insulation pipe production rust removing device for steel tube according to claim 1, it is characterised in that: the preceding riser
The medial surface of (1-13) and rear riser (1-14) is bonded with the leading flank of rotating ring (1-7) and lateral surface respectively.
4. direct-buried thermal insulation pipe production rust removing device for steel tube according to claim 1, it is characterised in that: the rust removal wheel
(1-8) includes mounting base (1-8-1), rectangle frame plate (1-8-2), screws block (1-8-3), external screw thread adjusting rod (1-8-4), six ribs
Column (1-8-5) and grinding roller (1-8-6)；The mounting base (1-8-1) is fixedly connected on the medial surface of rotating ring (1-7)；It is described
Rectangle frame plate (1-8-2) is fixedly connected on the middle-end of mounting base (1-8-1)；The block (1-8-3) that screws is fixedly connected in outer spiral shell
One end of line adjusting rod (1-8-4), the other end of external screw thread adjusting rod (1-8-4) are threadedly attached in hexagonal prisms (1-8-5)
The inside of one end, hexagonal prisms (1-8-5) are slidably connected on mounting base (1-8-1), and the other end of hexagonal prisms (1-8-5) is solid
Surely grinding roller (1-8-6) is connected, grinding roller (1-8-6) is located at the outside of mounting base (1-8-1)；The external screw thread adjusting rod (1-8-4)
It is rotatably connected on rectangle frame plate (1-8-2) by rolling bearing units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821791897.4U CN208854383U (en) | 2018-11-01 | 2018-11-01 | Rust removing device for steel tube is used in direct-buried thermal insulation pipe production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821791897.4U CN208854383U (en) | 2018-11-01 | 2018-11-01 | Rust removing device for steel tube is used in direct-buried thermal insulation pipe production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208854383U true CN208854383U (en) | 2019-05-14 |
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ID=66421779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821791897.4U Active CN208854383U (en) | 2018-11-01 | 2018-11-01 | Rust removing device for steel tube is used in direct-buried thermal insulation pipe production |
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