CN111804903B - Safety valve casting forming processing equipment - Google Patents
Safety valve casting forming processing equipment Download PDFInfo
- Publication number
- CN111804903B CN111804903B CN202010667215.4A CN202010667215A CN111804903B CN 111804903 B CN111804903 B CN 111804903B CN 202010667215 A CN202010667215 A CN 202010667215A CN 111804903 B CN111804903 B CN 111804903B
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- groups
- shell
- locking
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- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D45/00—Equipment for casting, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
Abstract
The invention provides a safety valve casting molding processing device which comprises a shell, a fixing mechanism, a locking mechanism, a guide rod, a lost foam scraping mechanism and a reciprocating mechanism, wherein the shell is provided with a first fixing hole and a second fixing hole; according to the invention, the lost foam scraping mechanism is arranged to clean the lost foam remained on the outer surface of the safety valve blank, and the reciprocating mechanism can drive the lost foam scraping mechanism to automatically reciprocate along the surface of the safety valve blank, so that the lost foam residue on the surface of the safety valve blank can be automatically cleaned, and the problems of low efficiency, incomplete cleaning and high labor intensity caused by a manual knocking and flushing method are solved; in addition, the fixing mechanism is matched with the locking mechanism to be used, so that the safety valve blank can be stably fixed in the shell, the hairbrush is divided into a plurality of parts, the hairbrush can be attached to the surface of the safety valve blank, and the cleaning of the lost foam residue is more thorough.
Description
Technical Field
The invention relates to the technical field of valve casting, in particular to a safe valve casting forming processing device.
Background
The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value.
The existing safety valve manufacturing method is mainly formed by casting, namely liquid metal is cast into a casting cavity which is adaptive to the shape of the safety valve, and after the liquid metal is cooled and solidified, a safety valve blank is obtained; the lost foam casting (also called solid casting) is a novel casting method which comprises the steps of bonding foam models with similar sizes and shapes to form a model cluster, coating refractory paint, drying, burying in dry quartz sand for vibration molding, pouring under negative pressure to gasify the model, enabling liquid metal to occupy the position of the model, solidifying and cooling to form the casting.
Compared with the traditional casting, the lost foam casting has the advantages of good casting quality, low cost, high precision, few internal defects and the like, so that the lost foam casting is widely applied to metal casting technology, lost foam residues are always remained on the surface of a safety valve blank in the lost foam casting process of the existing safety valve, the method for removing the remained lost foam residues in the prior art is mainly a manual knocking and removing method, the working mode is low in efficiency, the cleaning is not thorough, and the labor intensity is high.
Disclosure of Invention
In order to achieve the above object, the present invention adopts the following technical solutions, wherein a safety valve casting molding processing device includes a housing, a fixing mechanism, a locking mechanism, a guide rod, a lost foam scraping mechanism and a reciprocating mechanism, the fixing mechanism is located at the left and right sides of the housing, the locking mechanism is installed on the outer wall surfaces of the left and right sides of the housing, the guide rod is horizontally arranged at the front and rear sides of an inner cavity of the housing, the surface of the guide rod is slidably connected with the lost foam scraping mechanism, and the reciprocating mechanism is arranged on the side wall surfaces of the front and rear sides of an inner wall of the housing, wherein:
the fixing mechanism comprises knobs, ball screws, fixing blocks, ball nuts, clamping rods, connecting rods and bayonets, the knobs are divided into two groups, the two groups of knobs are respectively positioned on the outer wall surfaces of the left side and the right side of the shell, the ball screws are divided into two groups, the ball nuts are sleeved on the surfaces of the ball screws, the outer ends of the two groups of ball screws respectively penetrate through the side walls of the left side and the right side of the shell and are fixedly connected with the inner center of the knobs, the inner ends of the two groups of ball screws are sleeved with the fixing blocks, a plurality of groups of clamping rods are uniformly arranged on the outer side of the periphery of the fixing blocks in an equidistant mode, the top end of each group of clamping rods is rotatably connected with the outer surface of the side wall of the fixing block through a rotating shaft, the bottom end of each clamping rod is rotatably connected with the top end of the connecting rod through a rotating shaft, and the bottom end of the connecting rod is rotatably connected with the outer wall surface of the ball nuts through a rotating shaft, bayonets are drilled on the outer side surface of each group of clamping rods;
the lost foam scraping mechanism comprises two groups of sliding plates, mounting holes, mounting blocks, a hairbrush, telescopic springs and movable sliding blocks, wherein the two groups of sliding plates are vertically arranged on the inner wall surfaces of the front side and the rear side of the shell respectively, the centers of the sliding plates are in sliding connection with the surfaces of the guide rods, a plurality of groups of mounting holes are uniformly drilled on the outer surfaces of the sliding plates at equal intervals, the mounting blocks are sleeved on the surfaces of the mounting holes of each group, the telescopic springs are mounted in the inner cavities of the mounting holes of each group, the bottoms of the telescopic springs are fixedly connected with the bottoms of the mounting holes, the tops of the telescopic springs are fixedly connected with the bottoms of the mounting blocks, the hairbrush is mounted at the tops of the mounting blocks, and the movable sliding blocks are arranged at the centers of the surfaces of the bottoms of the sliding plates;
the reciprocating mechanism comprises a roller, a reciprocating screw rod, a cylindrical block, a conveyor belt and a driving motor, the two groups of rollers are positioned at the front side and the rear side of the bottom of the inner cavity of the shell, the middle part of the roller is provided with a reciprocating screw rod, the centers of the two groups of movable sliding blocks are respectively in threaded connection with the surfaces of the two groups of reciprocating screw rods, the right ends of the rollers are rotatably connected with the side wall of the inner cavity of the shell, two groups of cylindrical blocks are arranged on the surface of the outer wall of the bottom of the shell, the left ends of the two groups of rollers penetrate through the outer side wall of the bottom of the shell and are respectively rotatably connected with the centers of the inner sides of the two groups of cylindrical blocks, the surfaces of the two groups of cylindrical blocks are in transmission connection through a conveyor belt, the driving motor is fixedly arranged on the outer surface of the side wall of the shell through a support, and a rotor of the driving motor is rotatably connected with the outer center of any one group of the cylindrical blocks through a rotating shaft;
preferably; locking mechanical system includes spout, locking slider, arc wall, lockhole and locking piece, and the equal level of casing outer wall that is located the left and right sides of knob is excavated there is the spout, every group the equal sliding connection in surface of spout has locking slider, locking slider's inboard is the arc wall, is located the below terminal excavation has the lockhole about locking slider's the inboard, is located the top the locking piece is installed to terminal about locking slider's the inboard, the lockhole with the locking piece is for mutually supporting.
Preferably; the inner side surface of the arc-shaped groove is a sawtooth surface, the outer surface of the knob is provided with a sawtooth surface meshed with the inner side of the arc-shaped groove, the arc-shaped groove is a semicircular surface, and the inner diameter of the arc-shaped groove is equal to the outer diameter of the knob.
Preferably; the mounting hole is mutually perpendicular to the side walls of the front side and the rear side of the shell.
Preferably; the shell is a square hollow shell with an opening at the top.
Preferably; and anti-skid grooves are formed in the surface of the inner cavity of the bayonet.
Has the advantages that:
according to the invention, the lost foam scraping mechanism is arranged to clean the lost foam remained on the outer surface of the safety valve blank, and the reciprocating mechanism can drive the lost foam scraping mechanism to automatically reciprocate along the surface of the safety valve blank, so that the lost foam residue on the surface of the safety valve blank can be automatically cleaned, and the problems of low efficiency, incomplete cleaning and high labor intensity caused by a manual knocking and flushing method are solved; in addition, the fixing mechanism is matched with the locking mechanism to be used, so that the safety valve blank can be stably fixed in the shell, the hairbrush is divided into a plurality of parts, the hairbrush can be attached to the surface of the safety valve blank, and the disappearance mould residue can be cleaned more thoroughly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an enlarged schematic view of A in FIG. 1;
FIG. 4 is a schematic view of the securing mechanism and locking mechanism of FIG. 1;
FIG. 5 is an enlarged schematic view of B of FIG. 2;
FIG. 6 is a top view of the bottom portion of the housing of FIG. 2;
fig. 7 is a cross-sectional view of the movable slide of the present invention.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 7, the safety valve casting molding processing equipment comprises a housing 1, a fixing mechanism 2, a locking mechanism 3, a guide rod 4, a lost foam scraping mechanism 5 and a reciprocating mechanism 6, wherein the housing 1 is a square hollow shell with an open top, the fixing mechanism 2 is positioned on the left side and the right side of the housing 1, the locking mechanism 3 is installed on the outer wall surfaces of the left side and the right side of the housing 1, the guide rod 4 is horizontally arranged on the front side and the rear side of an inner cavity of the housing 1, the lost foam scraping mechanism 5 is connected to the surface of the guide rod 4 in a sliding manner, and the reciprocating mechanism 6 is arranged on the side wall surfaces of the front side and the rear side of an inner wall of the housing 1;
the fixing mechanism 2 comprises knobs 21, ball screws 22, fixing blocks 23, ball nuts 24, clamping rods 25, connecting rods 26 and bayonets 27, the knobs 21 are divided into two groups, the knobs 21 are respectively located on the outer wall surfaces of the left side and the right side of the shell 1, the ball screws 22 are divided into two groups, the ball nuts 24 are sleeved on the surfaces of the ball screws 22, the outer ends of the ball screws 22 penetrate through the side walls of the left side and the right side of the shell 1 and are fixedly connected with the inner center of the knobs 21, the inner ends of the ball screws 22 are sleeved with the fixing blocks 23, the outer sides of the periphery of the fixing blocks 23 are uniformly provided with the clamping rods 25 in equal intervals, the top ends of the clamping rods 25 of each group are rotatably connected with the outer surface of the side wall of the fixing block 23 through rotating shafts, the bottom ends of the clamping rods 25 are rotatably connected with the top ends of the connecting rods 26 through rotating shafts, the tail end of the bottom of the connecting rod 26 is rotatably connected with the outer wall surface of the ball nut 24 through a rotating shaft, the outer side surface of each clamping rod 25 is provided with a bayonet 27, and the surface of the inner cavity of the bayonet 27 is provided with an anti-skidding groove;
the locking mechanism 3 comprises a sliding groove 31, a locking slide block 32, arc-shaped grooves 33, locking holes 34 and locking blocks 35, the sliding grooves 31 are horizontally drilled on the outer walls of the shell 1 on the left side and the right side of the knob 21, the surface of each group of sliding grooves 31 is connected with the locking slide block 32 in a sliding mode, the inner side of each locking slide block 32 is provided with the arc-shaped groove 33, the locking holes 34 are drilled at the left tail end and the right tail end of the inner side of the locking slide block 32 on the lower side, the locking blocks 35 are installed at the left tail end and the right tail end of the inner side of the locking slide block 32 on the upper side, and the locking holes 34 and the locking blocks 35 are matched with each other; the inner side surface of the arc-shaped groove 33 is a sawtooth surface, the outer surface of the knob 21 is provided with a sawtooth surface meshed with the inner side of the arc-shaped groove 33, the arc-shaped groove 33 is a semi-circle surface, and the inner diameter of the arc-shaped groove 33 is equal to the outer diameter of the knob 21;
the lost foam scraping mechanism 5 comprises two groups of sliding plates 51, mounting holes 52, mounting blocks 53, brushes 54, telescopic springs 55 and movable sliding blocks 56, wherein the two groups of sliding plates 51 are vertically arranged on the inner wall surfaces of the front side and the rear side of the shell 1 respectively, the center of each sliding plate 51 is connected with the surface of the guide rod 4 in a sliding manner, a plurality of groups of mounting holes 52 are uniformly drilled on the outer surface of each sliding plate 51 at equal intervals, the mounting holes 52 are perpendicular to the side walls of the front side and the rear side of the shell 1, the mounting blocks 53 are sleeved on the surface of each group of mounting holes 52, the telescopic springs 55 are mounted in the inner cavities of each group of mounting holes 52, the bottoms of the telescopic springs 55 are fixedly connected with the bottoms of the mounting holes 52, the tops of the telescopic springs 55 are fixedly connected with the bottoms of the mounting blocks 53, and the brushes 54 are mounted on the tops of the mounting blocks 53, a movable sliding block 56 is arranged at the center of the bottom surface of the sliding plate 51;
the reciprocating mechanism 6 comprises two groups of rollers 61, a reciprocating screw rod 62, cylindrical blocks 63, a conveyor belt 64 and a driving motor 65, wherein the two groups of rollers 61 are respectively positioned at the front side and the rear side of the bottom of the inner cavity of the shell 1, the middle part of each roller 61 is provided with the reciprocating screw rod 62, the centers of the two groups of movable sliding blocks 56 are respectively in threaded connection with the surfaces of the two groups of reciprocating screw rods 62, the right tail ends of the rollers 61 are rotatably connected with the side wall of the inner cavity of the shell 1, the outer wall surface of the bottom of the shell 1 is provided with the two groups of cylindrical blocks 63, the left tail ends of the two groups of rollers 61 respectively penetrate through the outer side wall of the bottom of the shell 1 and then are respectively rotatably connected with the inner centers of the two groups of cylindrical blocks 63, the surfaces of the two groups of cylindrical blocks 63 are in transmission connection through the conveyor belt 64, and the driving motor 65 is fixedly arranged on the outer surface of the side wall of the shell 1 through a bracket, the rotor of the driving motor 65 is rotatably connected with the outer center of any one group of the cylindrical blocks 63 through a rotating shaft.
In the use process of the safety valve blank, the safety valve blank is placed into the shell 1, the two groups of fixing blocks 23 are placed into openings at the left end and the right end of the safety valve blank, then the knob 21 is rotated while the fixing blocks 23 are fixed, the ball nut 24 moves towards the safety valve blank along the ball screw 22, the clamping rod 25 is opened under the action of the connecting rod 26 until the bayonets 27 are clamped at the two ends of the safety valve blank, then the locking slide block 32 slides towards the direction of the knob 21 until the two groups of locking blocks 35 are respectively clamped in the two groups of locking holes 34, and at the moment, the arc-shaped groove 33 is clamped on the outer surface of the knob 21 to clamp the knob 21, so that the safety valve blank is stably fixed in the shell 1;
the installation piece 53 can be along up-and-down motion in the mounting hole 52 under the effect of expanding spring 55, with every group brush 54 overlap joint respectively behind the surface of relief valve blank this moment installation piece 53 can toward the mounting hole 52 under expanding spring 55's effect in, thereby can stabilize the overlap joint at the surface of relief valve blank with brush 54, then start driving motor 65, driving motor 65 drives a set of cylinder piece 63 and rotates, another group cylinder piece 63 also can rotate simultaneously under the effect of conveyer belt 64, thereby let two sets of movable sliding block 56 can be along reciprocal lead screw 62 reciprocating motion, thereby disappearance mould strikes off mechanism 5 promptly and can realize disappearance mould and strikes off the clearance on mechanism 5 surface to the relief valve blank along guide bar 4 reciprocating motion.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a safety valve casting shaping processing equipment, includes casing (1), fixed establishment (2), locking mechanical system (3), guide bar (4), disappearance mould strikes off mechanism (5) and reciprocating motion mechanism (6), its characterized in that: the fixing mechanisms (2) are positioned on the left side and the right side of the shell (1), the locking mechanisms (3) are installed on the outer wall surfaces of the left side and the right side of the shell (1), guide rods (4) are horizontally arranged on the front side and the rear side of an inner cavity of the shell (1), the surface of each guide rod (4) is connected with a lost foam scraping mechanism (5) in a sliding mode, and the side wall surfaces of the front side and the rear side of the inner wall of the shell (1) are provided with reciprocating moving mechanisms (6);
the fixing mechanism (2) comprises a knob (21), two groups of ball screws (22), a fixing block (23), two groups of ball nuts (24), clamping rods (25), a connecting rod (26) and a bayonet (27), the knob (21) is arranged on the outer wall surfaces of the left side and the right side of the shell (1) respectively, the ball screws (22) are arranged in two groups, the ball nuts (24) are sleeved on the surface of the ball screws (22), the outer ends of the two groups of ball screws (22) penetrate through the side walls of the left side and the right side of the shell (1) respectively and are fixedly connected with the inner center of the knob (21), the fixing block (23) is sleeved on the inner ends of the two groups of ball screws (22), a plurality of groups of clamping rods (25) are uniformly arranged on the outer side of the periphery of the fixing block (23) at equal intervals, and the top ends of the clamping rods (25) are rotatably connected with the outer surface of the side wall of the fixing block (23) through rotating shafts, the bottom tail end of each clamping rod (25) is rotatably connected with the top tail end of the connecting rod (26) through a rotating shaft, the bottom tail end of the connecting rod (26) is rotatably connected with the outer wall surface of the ball nut (24) through a rotating shaft, and bayonets (27) are formed in the outer side surface of each clamping rod (25);
the locking mechanism (3) comprises sliding grooves (31), locking sliding blocks (32), arc-shaped grooves (33), locking holes (34) and locking blocks (35), the sliding grooves (31) are horizontally formed in the outer walls of the shell (1) on the left side and the right side of the knob (21), the surface of each sliding groove (31) is connected with the locking sliding blocks (32) in a sliding mode, the arc-shaped grooves (33) are formed in the inner sides of the locking sliding blocks (32), the locking holes (34) are formed in the left end and the right end of the inner side of the locking sliding block (32) located below, the locking blocks (35) are installed at the left end and the right end of the inner side of the locking sliding block (32) located above, and the locking holes (34) and the locking blocks (35) are matched with each other;
the lost foam scraping mechanism (5) comprises two groups of sliding plates (51), mounting holes (52), mounting blocks (53), brushes (54), telescopic springs (55) and movable sliding blocks (56), the sliding plates (51) are divided into two groups, the two groups of sliding plates (51) are respectively vertically arranged on the inner wall surfaces of the front side and the rear side of the shell (1), the center of each sliding plate (51) is in sliding connection with the surface of the guide rod (4), a plurality of groups of mounting holes (52) are uniformly arranged on the outer surface of each sliding plate (51) in an equidistant mode, the surface of each group of mounting holes (52) is sleeved with the mounting blocks (53), the telescopic springs (55) are arranged in the inner cavities of each group of mounting holes (52), the bottoms of the telescopic springs (55) are fixedly connected with the bottoms of the mounting holes (52), and the tops of the telescopic springs (55) are fixedly connected with the bottoms of the mounting blocks (53), a brush (54) is arranged at the top of the mounting block (53), and a movable sliding block (56) is arranged at the center of the bottom surface of the sliding plate (51);
the reciprocating mechanism (6) comprises two groups of rollers (61), reciprocating lead screws (62), cylindrical blocks (63), a conveyor belt (64) and a driving motor (65), wherein the rollers (61) are arranged in two groups, the two groups of rollers (61) are respectively positioned at the front side and the rear side of the bottom of an inner cavity of the shell (1), the middle part of each roller (61) is provided with the reciprocating lead screws (62), the centers of the two groups of movable sliding blocks (56) are respectively in threaded connection with the surfaces of the two groups of reciprocating lead screws (62), the right tail ends of the rollers (61) are rotationally connected with the side wall of the inner cavity of the shell (1), the outer wall surface of the bottom of the shell (1) is provided with the two groups of cylindrical blocks (63), the left tail ends of the two groups of rollers (61) respectively penetrate through the outer side wall of the bottom of the shell (1) and then are rotationally connected with the inner centers of the two groups of cylindrical blocks (63), and the surfaces of the two groups of cylindrical blocks (63) are in transmission connection through the conveyor belt (64), the driving motor (65) is fixedly installed on the outer surface of the side wall of the shell (1) through a support, and a rotor of the driving motor (65) is rotatably connected with the outer center of any one group of the cylindrical blocks (63) through a rotating shaft.
2. The safety valve casting and forming processing equipment as claimed in claim 1, wherein: the inboard surface of arc wall (33) is the sawtooth surface, the surface of knob (21) be equipped with the inboard sawtooth surface who meshes mutually of arc wall (33), arc wall (33) are the semicircle face, the internal diameter of arc wall (33) with the external diameter of knob (21) equals.
3. The safety valve casting and forming processing equipment as claimed in claim 1, wherein: the mounting holes (52) are perpendicular to the front side wall and the rear side wall of the shell (1).
4. The safety valve casting and forming processing equipment as claimed in claim 1, wherein: the shell (1) is a square hollow shell with an opening at the top.
5. The safety valve casting and forming processing equipment as claimed in claim 1, wherein: the inner cavity surface of the bayonet (27) is carved with an anti-slip groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667215.4A CN111804903B (en) | 2020-07-13 | 2020-07-13 | Safety valve casting forming processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667215.4A CN111804903B (en) | 2020-07-13 | 2020-07-13 | Safety valve casting forming processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111804903A CN111804903A (en) | 2020-10-23 |
| CN111804903B true CN111804903B (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010667215.4A Active CN111804903B (en) | 2020-07-13 | 2020-07-13 | Safety valve casting forming processing equipment |
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| CN (1) | CN111804903B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276051B (en) * | 2020-11-03 | 2022-04-05 | 安徽全柴天和机械有限公司 | Bottom sand unloading assembly of lost foam casting sand box |
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| CN108080359A (en) * | 2017-12-18 | 2018-05-29 | 刘占明 | A kind of constructing tunnel pipe cleaning equipment |
| US10226851B2 (en) * | 2012-09-28 | 2019-03-12 | Thomas Engineering Solutions & Consulting, Llc | Methods for external abrader cleaning and inspection of tubulars |
| CN209223178U (en) * | 2018-08-08 | 2019-08-09 | 安徽新宁装备股份有限公司 | A kind of mo(u)ld jacket dismounting cleaning mechanism |
| CN209565327U (en) * | 2018-10-08 | 2019-11-01 | 济南四建（集团）有限责任公司 | A kind of building instrument Quick cleaning device |
| CN209886327U (en) * | 2019-04-10 | 2020-01-03 | 武汉市汉泓禾科技有限公司 | Automatic cleaning device for outer wall of oil pipe |
| CN210280062U (en) * | 2019-07-18 | 2020-04-10 | 广州市白云区龙生电器厂 | Cleaning equipment is used in pipe fitting processing |
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2020
- 2020-07-13 CN CN202010667215.4A patent/CN111804903B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10226851B2 (en) * | 2012-09-28 | 2019-03-12 | Thomas Engineering Solutions & Consulting, Llc | Methods for external abrader cleaning and inspection of tubulars |
| CN108080359A (en) * | 2017-12-18 | 2018-05-29 | 刘占明 | A kind of constructing tunnel pipe cleaning equipment |
| CN209223178U (en) * | 2018-08-08 | 2019-08-09 | 安徽新宁装备股份有限公司 | A kind of mo(u)ld jacket dismounting cleaning mechanism |
| CN209565327U (en) * | 2018-10-08 | 2019-11-01 | 济南四建（集团）有限责任公司 | A kind of building instrument Quick cleaning device |
| CN209886327U (en) * | 2019-04-10 | 2020-01-03 | 武汉市汉泓禾科技有限公司 | Automatic cleaning device for outer wall of oil pipe |
| CN210280062U (en) * | 2019-07-18 | 2020-04-10 | 广州市白云区龙生电器厂 | Cleaning equipment is used in pipe fitting processing |
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| CN111804903A (en) | 2020-10-23 |
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Effective date of registration: 20211118 Address after: 528000 floor 5, No. 2, Huagui East Road, Ronggui Bianjiao neighborhood committee, Shunde District, Foshan City, Guangdong Province Applicant after: Foshan Shengyou Hardware Co.,Ltd. Address before: 450044 north section of Shakou Road, Huiji District, Zhengzhou City, Henan Province Applicant before: Liang Hongxia |
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