CN205520868U - Pipe fitting rust cleaning equipment - Google Patents
Pipe fitting rust cleaning equipment Download PDFInfo
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- CN205520868U CN205520868U CN201620314141.5U CN201620314141U CN205520868U CN 205520868 U CN205520868 U CN 205520868U CN 201620314141 U CN201620314141 U CN 201620314141U CN 205520868 U CN205520868 U CN 205520868U
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- rust cleaning
- pipe fitting
- rust
- rocking arm
- pinch roller
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Abstract
The utility model discloses a pipe fitting rust cleaning equipment, before the input of rust cleaning device (10), rust cleaning device (10) is equipped with the rust cleaning conveyor (20), the output of rust cleaning device (10) is equipped with rust cleaning back conveyor (30), rust cleaning device (10) is including rust cleaning assembly (40) and dust collector (50), rust cleaning assembly (40) bottom is connected with rust cleaning frame (12) through a set of altitude mixture control pneumatic valve (11), rust cleaning device (10), before the rust cleaning after conveyor (20) and the rust cleaning conveyor (30) all with PLC electric cabinet (60) electrical connection. Adopt the utility model discloses can separate the workman from tedious manual labor and the abominable operational environment and release, can guarantee that the workman's is healthy. Simultaneously also great improvement the efficiency of rust cleaning work, ensured the rust cleaning quality.
Description
Technical field
This utility model relates to a kind of pipe fitting rust removalling equipment, belongs to pipe fitting rust cleaning technical field.
Background technology
The straight pipe rust cleaning work of flanged fittings body of existing railway freight-car, mainly also it is dependent on artificial wire brush or emery cloth eliminates rust, existing this pipe fitting rust cleaning mode not only also exists that labor intensity is big, rust cleaning efficiency and the lowest problem of derusting, but also also exists and working environment can cause the problem such as dust from flying, serious environment pollution.Therefore, existing pipe fitting rust cleaning mode is the most undesirable, it is impossible to meets and produces and the needs of environmental conservation.
Utility model content
The purpose of this utility model is, it is provided that a kind of pipe fitting rust removalling equipment, to replace hand cleaning, alleviates the labor intensity of workman, improves working environment, and protection workman's is healthy, improves rust cleaning efficiency and quality simultaneously, thus overcomes the deficiencies in the prior art.
The technical solution of the utility model is achieved in that
A kind of pipe fitting rust removalling equipment of the present utility model is that this pipe fitting rust removalling equipment includes derusting device, the input of derusting device is provided with conveyer device before rust cleaning, and the outfan of derusting device is provided with conveyer device after rust cleaning；Derusting device includes eliminate rust assembly and dust arrester；It is connected with rust cleaning frame through one group of altitude mixture control pneumatic operated valve bottom rust cleaning assembly；After derusting device, the front conveyer device of rust cleaning and rust cleaning, conveyer device is all electrically connected with PLC electric cabinet.
In aforementioned pipe fitting rust removalling equipment, described rust cleaning assembly includes assembly framework, and assembly framework is provided with a pair symmetrically arranged wire brush wheel, and the rotating shaft of wire brush wheel is connected with the rust cleaning motor being arranged on assembly base of frame through pulley gear；Assembly base of frame is connected with rust cleaning frame through one group of altitude mixture control pneumatic operated valve.
In aforementioned pipe fitting rust removalling equipment, described dust arrester includes being arranged on the dust collecting box in rust cleaning frame and vacuum cleaner, and the dust cover being arranged on outside wire brush wheel；Dust cover both sides are provided with pipe fitting and pass hole, are provided with slag-drip opening bottom dust cover；The air entry of vacuum cleaner and with being positioned at pipe fitting is positioned at the slag-drip opening bottom dust cover is connected through the suction nozzle near hole through flexible pipe；The dust-exhausting port of vacuum cleaner is connected with dust collecting box through flexible pipe.
In aforementioned pipe fitting rust removalling equipment, before described rust cleaning conveyer device and rust cleaning after conveyer device all include carry frame, conveying frame is provided with support roller column and pinch roller column, and support roller column is hinged with support roller rocking arm, and support roller rocking arm front end is connected with conveying frame through support roller pneumatic operated valve；Support roller rocking arm is provided with drivewheel and driven pulley；Being hinged with pinch roller rocking arm on pinch roller column, pinch roller rocking arm tail end is connected with conveying frame through pinch roller pneumatic operated valve；Pinch roller rocking arm is provided with pinch roller；Drivewheel is connected with conveying motor through universal movable joint and shaft joint.
In aforementioned pipe fitting rust removalling equipment, between described support roller rocking arm and pinch roller rocking arm, it is provided with angle；Drivewheel, driven pulley and pinch roller are arranged in a triangle.
In aforementioned pipe fitting rust removalling equipment, before described rust cleaning, the conveying frame between the drivewheel on conveyer device and driven pulley is provided with pressure transducer, and the inductive head of pressure transducer is positioned at below pipe fitting to be eliminated rust.
In aforementioned pipe fitting rust removalling equipment, after described rust cleaning, the support roller rocking arm on conveyer device is provided with infrared sensor.
Owing to have employed technique scheme, this utility model compared with prior art, uses this utility model workman to be freed from heavy physical work and severe working environment, it can be ensured that workman's is healthy.This utility model is also greatly improved the efficiency of rust cleaning work simultaneously, it is ensured that derusting.In device of the present utility model, pipe fitting conveyer device is at an angle to each other by two travel(l)ing rests, and the roller on support rotates formation spiral force under driven by motor so that pipe fitting onwards transmission；Pipe fitting conveyer device is provided with pressure transducer so that two travel(l)ing rests can automatically open up, and solves the intransitable problem of the piping caused piping end owing to there is fittings body；The path that pipe fitting passes through is provided with infrared sensor, enables the roller automatic impaction on travel(l)ing rest；Derusting device uses driven by motor belt pulley so that the mode that wire brush wheel rotates eliminates rust；This utility model is provided with dust exhaust apparatus and collects rust dirt, it is to avoid environmental pollution；Derusting device outlet is provided with infrared sensor, controls the end of whole descaling process；The converter controlled tubulation system transfer rate simultaneously arranged, PLC electric-control system achieves the automated operation of whole equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
The schematic diagram of Fig. 2 derusting device；
Fig. 3 is the rust cleaning frame schematic diagram being provided with altitude mixture control pneumatic operated valve；
Fig. 4 is the structural representation of rust cleaning assembly；
Fig. 5 is the structural representation of the front conveyer device of rust cleaning；
Fig. 6 is the structural representation of conveyer device after rust cleaning.
nullBeing labeled as in figure: 10 derusting devices，11 altitude mixture control pneumatic operated valves，12 rust cleaning frames，Conveyer device before 20 rust cleaning，21 conveying frames，22 support roller columns，23 support roller rocking arms，24 support roller pneumatic operated valves，25 drivewheels，26 driven pulleys，27 shaft joints，28 conveying motors，29 universal movable joints，Conveyer device after 30 rust cleaning，31 infrared sensors，32 pinch roller columns，33 pinch roller rocking arms，34 pinch roller pneumatic operated valves，35 pinch rollers，36 pressure transducers，40 rust cleaning assemblies，41 assembly frameworks，42 wire brush wheel，43 rotating shafts，44 pulley gears，45 rust cleaning motors，50 dust arresters，51 dust collecting boxes，52 vacuum cleaners，53 flexible pipes，54 suction nozzles，55 dust covers，56 pipe fittings pass hole，60 PLC electric cabinets.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings, but not as to any restriction of the present utility model.
This utility model is according to constructed by the derusting method of following a kind of pipe fitting and for the method, as shown in Figure 1: in the method, before rust cleaning pipe fitting passes sequentially through rust cleaning, after conveyer device 20, derusting device 10 and rust cleaning, conveyer device 30 realizes the descaling process of tube surface；Drivewheel 25, driven pulley 26 and pinch roller 35 that after the front conveyer device 20 of rust cleaning and rust cleaning, conveyer device 30 is arranged by isosceles triangle drive pipe fitting radial rotary；Drivewheel 25 and driven pulley 26 are arranged on support roller rocking arm 23, and pinch roller 35 is arranged on pinch roller rocking arm 33, produce spiral force by the angle between support roller rocking arm 23 and pinch roller rocking arm 33 and drive pipe fitting to rotate moving axially of an edge pipe fitting on pipe fitting；Derusting device 10 arranges wire brush wheel 42 in pipe fitting both sides, is removed the rust staining of tube surface by the wire brush wheel 42 of high speed rotating；Derusting device 10 includes the assembly 40 that eliminates rust, and rust cleaning assembly 40 adjusts height by altitude mixture control pneumatic operated valve 11, so that it is guaranteed that wire brush wheel 42 adapts to the rust cleaning of different tube diameters pipe fitting with optimum height；Wire brush wheel 42 is externally provided with dust cover 55, is absorbed the dust produced in dust removal process by dust arrester 50.As it can be seen in figures 5 and 6, before rust cleaning after conveyer device 20 and rust cleaning in conveyer device 20 support roller rocking arm 23 realize clamping by support roller pneumatic operated valve 24 and pinch roller pneumatic operated valve 34 respectively with pinch roller rocking arm 33 and decontrol the function of pipe fitting；Arranging pressure transducer 36 at clip position, when detecting that pipe fitting end has joint, support roller rocking arm 23 and pinch roller rocking arm 33 open simultaneously, to guarantee that the joint of pipe fitting end can pass through clip position；Owing to during clamping and relieving pipe fitting, the axial location of drivewheel 25 is continually changing, drivewheel 25 is flexibly connected, to guarantee the reliable delivery of power with conveying motor 28 by scalable cross universal coupling.As it is shown in figure 1, after conveyer device 20, derusting device 10 and rust cleaning, conveyer device 30 is controlled by PLC electric-control system 60 before rust cleaning；Rust cleaning whole during; it is provided with infrared sensor 31 by path diverse location at pipe fitting; control the clamping dynamics of the rotary speed of drivewheel 25, support roller rocking arm 23 and pinch roller rocking arm 33 and opening time by PLC electric-control system 60 and descaling process terminates rear autostop, it is achieved the automated operation of descaling process.
Build and be used for of the present utility model a kind of pipe fitting rust removalling equipment of said method according to said method, as shown in Figure 1: this pipe fitting rust removalling equipment includes that derusting device 10, the input of derusting device 10 are provided with conveyer device 20 before rust cleaning, and the outfan of derusting device 10 is provided with conveyer device 30 after rust cleaning；Derusting device 10 includes eliminate rust assembly 40 and dust arrester 50；It is connected with rust cleaning frame 12 through one group of altitude mixture control pneumatic operated valve 11 bottom rust cleaning assembly 40；After derusting device 10, the front conveyer device 20 of rust cleaning and rust cleaning, conveyer device 30 is all electrically connected with PLC electric cabinet 60.Rust cleaning assembly 40 includes assembly framework 41, and assembly framework 41 is provided with a pair symmetrically arranged wire brush wheel 42, and the rotating shaft 43 of wire brush wheel is connected with the rust cleaning motor 45 being arranged on bottom assembly framework 41 through pulley gear 44；It is connected with rust cleaning frame 12 through one group of altitude mixture control pneumatic operated valve 11 bottom assembly framework 41.Dust arrester 50 includes being arranged on the dust collecting box 51 in rust cleaning frame 12 and vacuum cleaner 52, and the dust cover 55 being arranged on outside wire brush wheel 42；Dust cover 55 both sides are provided with pipe fitting and pass hole 56, are provided with slag-drip opening bottom dust cover 55；The air entry of vacuum cleaner 52 and with being positioned at pipe fitting is positioned at the slag-drip opening bottom dust cover 55 is connected through the suction nozzle 54 near hole 56 through flexible pipe 53；The dust-exhausting port of vacuum cleaner 52 is connected with dust collecting box 51 through flexible pipe 53.After the front conveyer device 20 of rust cleaning and rust cleaning, conveyer device 30 all includes carrying frame 21, conveying frame 21 is provided with support roller column 22 and pinch roller column 32, being hinged with support roller rocking arm 23 on support roller column 22, support roller rocking arm 23 front end is connected with conveying frame 21 through support roller pneumatic operated valve 24；Support roller rocking arm 23 is provided with drivewheel 25 and driven pulley 26；Being hinged with pinch roller rocking arm 33 on pinch roller column 32, pinch roller rocking arm 33 tail end is connected with conveying frame 21 through pinch roller pneumatic operated valve 34；Pinch roller rocking arm 33 is provided with pinch roller 35；Drivewheel 25 is connected with conveying motor 28 through universal movable joint 29 and shaft joint 27.It is provided with angle between support roller rocking arm 23 and pinch roller rocking arm 33；Drivewheel 25, driven pulley 26 and pinch roller 35 are arranged in a triangle.Before rust cleaning, the conveying frame 21 between drivewheel 25 and the driven pulley 26 on conveyer device 20 is provided with pressure transducer 36, and the inductive head of pressure transducer 36 is positioned at below pipe fitting to be eliminated rust.After rust cleaning, the support roller rocking arm 23 on conveyer device 30 is provided with infrared sensor 31.
Embodiment
As it is shown in figure 1, this example includes pipe fitting conveyer device, the derusting device 10 and PLC several major part of electric-control system 60.Pipe fitting conveyer device is divided into conveyer device 30 two parts after the front conveyer device 20 of rust cleaning and rust cleaning, and during pipe fitting rust cleaning, pipe fitting sends into derusting device 10 by the front conveyer device 20 of rust cleaning, and the complete pipe fitting that eliminates rust is exported by conveyer device 30 after rust cleaning.Whole descaling process is controlled by PLC electric-control system 60.The transporting velocity of PLC electric control system controls controlled tubulation part and the rotary speed of pipe fitting.When the joint that pipe fitting end has diameter to be more than caliber cannot pass through gripping section, by pressure transducer 36, signal can be delivered to PLC electric-control system 60, PLC electric-control system 60 opens clamping by support roller pneumatic operated valve 24 and pinch roller pneumatic operated valve 34 again, after allowing pipe fitting end pass through gripping section, then clamps pipe fitting.In order to adapt to the pipe fitting of different tube diameters, whole rust cleaning part being designed in this example an overall rust cleaning assembly 40, rust cleaning assembly 40, by four altitude mixture control pneumatic operated valves 11, can adjust the relative position of wire brush wheel 42 and pipe fitting, to obtain the effect that most preferably eliminates rust.
When being embodied as, following enforcement step can be divided into:
One, pipe fitting conveyer device is designed and produced
Designing and producing the structural representation of front conveyer device as it can be seen in figures 5 and 6, Fig. 5 eliminates rust, Fig. 6 is the structural representation of conveyer device after rust cleaning.The function of pipe fitting conveyer device mainly drives pipe fitting to rotate while being axially moveable.Make pipe fitting pass sequentially through derusting device, reach the purpose of rust cleaning.Pipe fitting transport conveyor constructions is as follows:
1
, several pipe fitting conveyer devices can be set when being embodied as, including conveyer device 30 after eliminate rust front conveyer device 20 and rust cleaning.Pipe fitting conveyer device includes that a support roller rocking arm 23 and a pinch roller rocking arm 33 are constituted, and support roller rocking arm 23 is provided with a drivewheel 25 and a driven pulley 26, and pinch roller rocking arm 33 is provided with a pinch roller 35, and two roller array are in a triangle；Support roller rocking arm 23 one end is hinged with support roller column 22, and the other end is hinged with support roller pneumatic operated valve 24, forms lever, when the expansion link of support roller pneumatic operated valve 24 stretches out, is in clamped condition, on the contrary the open mode of being in；In the middle of pinch roller rocking arm 33 hinged with pinch roller column 32, the one end not installing pinch roller 35 is hinged with pinch roller pneumatic operated valve 34, when the expansion link of pinch roller pneumatic operated valve 34 stretches out, is in clamped condition, on the contrary the open mode of being in；Between support roller rocking arm 23 and pinch roller rocking arm 33 at an angle to each other.When clamping pipe fitting and rotating, pipe fitting forms spiral force, drive pipe fitting to rotate and be axially moveable, it is achieved the purpose of pipe fitting conveying.
Before rust cleaning, after conveyer device 20 and rust cleaning, the structure of conveyer device 30 is essentially identical, and its difference is: the front conveyer device 20 that eliminates rust is provided with a pressure transducer 36, is not provided with infrared sensor 31；And conveyer device 30 is provided with an infrared sensor 31 after eliminating rust, it is not provided with pressure transducer 36；Pressure transducer 36 mainly for detection of pipe fitting head with or without the joint being relatively large in diameter；In the bottom conveying frame 21 that pressure transducer 36 is arranged between drivewheel 25 and driven pulley 26.Whether infrared sensor 31 eliminates rust complete mainly for detection of pipe fitting, and infrared sensor 31 is arranged on support roller rocking arm 23.
2
, the driving means of pipe fitting is set.Each drivewheel 25 is all connected with conveying motor 28 by shaft joint 27.Owing to drivewheel 25 is to tilt to install, additionally drivewheel 25 is change in clamping and position, opening procedure axis, because using scalable cross universal coupling to flexibly connect herein, drive drivewheel 25 to rotate by conveying motor 28, provide conveying power for pipe fitting.
3
, conveying frame is set.Conveying frame is used for installing each parts of pipe fitting conveyer device.The most separately installed infrared sensor in each conveying frame, is used for detecting whether rust cleaning completes.
Two, pipe fitting derusting device is designed and produced
Pipe fitting derusting device is installed in rust cleaning frame 12, before rust cleaning after conveyer device 20 and rust cleaning between conveyer device 30.It is made up of assembly framework 41, rust cleaning motor 45, pulley gear 44, wire brush wheel 42, altitude mixture control pneumatic operated valve 11 and infrared sensor.Rust cleaning frame 12 is for installing each parts of whole derusting device；Rust cleaning motor 45 rotates between centers and uses pulley gear 44 to be connected with two, it is provided that rust cleaning power；In two rotary shafts, wire brush wheel 42 is installed, is used for eliminating rust；Altitude mixture control pneumatic operated valve 11 support assembly framework 41, by altitude mixture control pneumatic operated valve 11 adjustable pipe fitting and wire brush wheel 42 steel contact position；It is positioned at pipe fitting exit position and is provided with an infrared sensor, be used for detecting whether rust cleaning completes.
Three, dust arrester is designed and produced
Dust arrester is used for the collection of the foreign material such as the dust in descaling process, corrosion, coat of paint, it is to avoid cause environmental pollution.Its structure is as follows:
Dust arrester is set.Dust collecting box 51 is installed in rust cleaning frame 12, is made up of dust collecting box 51, vacuum cleaner 52, flexible pipe 53, suction nozzle 54 and dust cover 55.Suction nozzle 54 has two, and a pipe fitting import department being arranged on dust cover 55, another is arranged on bottom dust cover 55.Suction nozzle 54 at two is all connected with vacuum cleaner 52 with flexible pipe 53, and the dust-exhausting port of vacuum cleaner 52 is connected with dust collecting box 51 through flexible pipe 53.Vacuum cleaner 52 may be installed outside dust collecting box 51, it is possible to is arranged on and does not affects any suitable location that pipe fitting runs.
Four, PLC electric-control system is designed and produced
PLC
Electric-control system 60, for the operating of whole equipment, has manual mode and automatic mode.It is provided with converter, for controlling the rotating speed of motor, in order to control pipe fitting transfer rate simultaneously.
Work process of the present utility model and principle
This utility model can include multiple above-mentioned rust cleaning before conveyer device 20, derusting device 10 and rust cleaning after conveyer device 30 form a streamline.Operate according to the following steps during specific works:
1
, pipe fitting is placed between the support roller rocking arm 23 of several groups of pipe fitting conveyer devices and pinch roller rocking arm 33, pipe fitting is clamped between the isosceles triangle being made up of three rollers, start pneumatic operated valve, compress pipe fitting.Now pipe fitting and pressure sensor contacts.
2
, start conveying motor 28, drivewheel 25 rotates, and owing to support roller rocking arm 23 is at an angle to each other with pinch roller rocking arm 33, two rollers on support roller rocking arm 23 are the most at an angle to each other with the pinch roller 35 on pinch roller rocking arm 33, and the spiral force of generation drive pipe fitting forwards.Transfer rate can be by Frequency Converter Control.
3
, during pipe fitting forwards, if pressure transducer 36 is left in pipe fitting rear end, pneumatic operated valve cuts out, and roller is opened.
4
, pipe fitting enter derusting device 10 complete rust cleaning, in the process dust arrester 50 collect rust dirt.
5
, pipe fitting continue to forward, arrive rust cleaning after conveyer device 30 time, infrared sensor 31 senses, and makes pneumatic operated valve start, compression pipe fitting.
6
, eliminated rust after, the sensing of the infrared sensor in derusting device exit, stop whole equipment and run.
Claims (7)
1. a pipe fitting rust removalling equipment, it is characterised in that: including that derusting device (10), the input of derusting device (10) are provided with conveyer device (20) before rust cleaning, the outfan of derusting device (10) is provided with conveyer device (30) after rust cleaning；Derusting device (10) includes eliminate rust assembly (40) and dust arrester (50)；Rust cleaning assembly (40) bottom is connected with rust cleaning frame (12) through one group of altitude mixture control pneumatic operated valve (11)；After derusting device (10), the front conveyer device (20) of rust cleaning and rust cleaning, conveyer device (30) is all electrically connected with PLC electric cabinet (60).
Pipe fitting rust removalling equipment the most according to claim 1, it is characterized in that: described rust cleaning assembly (40) includes assembly framework (41), being provided with a pair symmetrically arranged wire brush wheel (42) on assembly framework (41), the rotating shaft (43) of wire brush wheel is connected with the rust cleaning motor (45) being arranged on assembly framework (41) bottom through pulley gear (44)；Assembly framework (41) bottom is connected with rust cleaning frame (12) through one group of altitude mixture control pneumatic operated valve (11).
Pipe fitting rust removalling equipment the most according to claim 2, it is characterised in that: described dust arrester (50) includes being arranged on the dust collecting box (51) in rust cleaning frame (12) and vacuum cleaner (52), and is arranged on wire brush wheel (42) dust cover (55) outward；Dust cover (55) both sides are provided with pipe fitting and pass hole (56), and dust cover (55) bottom is provided with slag-drip opening；The air entry of vacuum cleaner (52) and with being positioned at pipe fitting is positioned at the slag-drip opening bottom dust cover (55) is connected through the suction nozzle (54) near hole (56) through flexible pipe (53)；The dust-exhausting port of vacuum cleaner (52) is connected with dust collecting box (51) through flexible pipe (53).
Pipe fitting rust removalling equipment the most according to claim 3, it is characterized in that: before described rust cleaning conveyer device (20) and rust cleaning after conveyer device (30) all include carry frame (21), conveying frame (21) is provided with support roller column (22) and pinch roller column (32), being hinged with support roller rocking arm (23) on support roller column (22), support roller rocking arm (23) front end is connected with conveying frame (21) through support roller pneumatic operated valve (24)；Support roller rocking arm (23) is provided with drivewheel (25) and driven pulley (26)；Being hinged with pinch roller rocking arm (33) on pinch roller column (32), pinch roller rocking arm (33) tail end is connected with conveying frame (21) through pinch roller pneumatic operated valve (34)；Pinch roller rocking arm (33) is provided with pinch roller (35)；Drivewheel (25) is connected with conveying motor (28) through universal movable joint (29) and shaft joint (27).
Pipe fitting rust removalling equipment the most according to claim 4, it is characterised in that: it is provided with angle between described support roller rocking arm (23) and pinch roller rocking arm (33)；Drivewheel (25), driven pulley (26) and pinch roller (35) are arranged in a triangle.
Pipe fitting rust removalling equipment the most according to claim 5, it is characterized in that: before described rust cleaning, the conveying frame (21) between the drivewheel (25) on conveyer device (20) and driven pulley (26) is provided with pressure transducer (36), and the inductive head of pressure transducer (36) is positioned at below pipe fitting to be eliminated rust.
Pipe fitting rust removalling equipment the most according to claim 6, it is characterised in that: after described rust cleaning, the support roller rocking arm (23) on conveyer device (30) is provided with infrared sensor (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314141.5U CN205520868U (en) | 2016-04-15 | 2016-04-15 | Pipe fitting rust cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314141.5U CN205520868U (en) | 2016-04-15 | 2016-04-15 | Pipe fitting rust cleaning equipment |
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| Publication Number | Publication Date |
|---|---|
| CN205520868U true CN205520868U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620314141.5U Active CN205520868U (en) | 2016-04-15 | 2016-04-15 | Pipe fitting rust cleaning equipment |
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| Country | Link |
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| CN (1) | CN205520868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451901A (en) * | 2020-04-13 | 2020-07-28 | 江西理工大学 | Outer cylinder surface polishing repair device |
-
2016
- 2016-04-15 CN CN201620314141.5U patent/CN205520868U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111451901A (en) * | 2020-04-13 | 2020-07-28 | 江西理工大学 | Outer cylinder surface polishing repair device |
| CN111451901B (en) * | 2020-04-13 | 2021-12-07 | 江西理工大学 | Outer cylinder surface polishing repair device |
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