CN112221873A - Anticorrosive even coating device of petrochemical equipment tubular heat exchanger - Google Patents
Anticorrosive even coating device of petrochemical equipment tubular heat exchanger Download PDFInfo
- Publication number
- CN112221873A CN112221873A CN202010943206.3A CN202010943206A CN112221873A CN 112221873 A CN112221873 A CN 112221873A CN 202010943206 A CN202010943206 A CN 202010943206A CN 112221873 A CN112221873 A CN 112221873A
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- Prior art keywords
- bidirectional screw
- screw rod
- heat exchanger
- tubular heat
- bottom plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/08—Spreading liquid or other fluent material by manipulating the work, e.g. tilting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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Abstract
The invention relates to the technical field of pipeline corrosion prevention, and discloses a preservative uniform coating device for tubular heat exchangers of petrochemical equipment, which comprises a bottom plate and a shell, wherein the shell is fixedly arranged on the upper surface of the bottom plate, first fixed blocks are fixedly arranged on two sides of the upper surface of the bottom plate and positioned in the shell, a first bidirectional screw rod is arranged between the two first fixed blocks, two ends of the first bidirectional screw rod are rotatably connected with the corresponding first fixed blocks through first rolling bearings, rod walls at two ends of the first bidirectional screw rod are sleeved with first sliding blocks in a threaded manner, a first sliding chute is formed in the upper surface of the bottom plate, the lower ends of the two first sliding blocks are slidably connected with the first sliding chute through first limiting plates, and a first motor is arranged on the outer side of the first fixed block on the left side. This anticorrosive even coating device of petrochemical equipment tubular heat exchanger can carry out anticorrosive even coating to the tubular heat exchanger of different diameters different length.
Description
Technical Field
The invention relates to the technical field of pipeline corrosion prevention, in particular to a device for uniformly coating a corrosion remover for a tubular heat exchanger of petrochemical equipment.
Background
In the anticorrosion treatment of the tube heat exchanger, a common method is to coat the corrosion inhibitor into the tube bundle of the tube heat exchanger, and in order to achieve a good wall-hanging effect of coating, the heat pipe heat exchanger needs to be tilted and rotated after coating, so that the corrosion inhibitor is uniformly dispersed in the heat pipe, and the corrosion inhibitor obtains a good wall-hanging effect on the inner wall of the pipeline; the manual operation can realize the function, but the manual work efficiency is poor, the human influence factor is high, and the wall hanging of the anticorrosive solvent in the pipeline is uneven, so that the spraying effect is poor.
The patent No. CN210304366U discloses a preservative uniformly coating device for a tubular heat exchanger of petrochemical equipment, when the preservative is used, after the preservative is coated in the tubular heat exchanger, the tubular heat exchanger is placed on a supporting roller on a tubular heat exchanger frame, a hydraulic oil cylinder is started to extend the hydraulic oil cylinder, the hydraulic oil cylinder jacks up one side of the tubular heat exchanger frame, at the moment, the cooling pipe frame rotates by taking the top end of a support as a round point, when the other end of the cooling pipe frame is lowered to a limiting supporting rod, the preservative in the tubular heat exchanger flows, the hydraulic oil cylinder is lowered after one end of the cooling pipe frame is in time, one end of the tubular heat exchanger frame is pulled down by the hydraulic oil cylinder, the preservative flows reversely, the inclination angle between the tubular heat exchanger frame and the horizontal plane is not more than 30 degrees in the process, and if the angle is too; control hydraulic cylinder makes tubular heat exchanger frame be horizontal position after tubular heat exchanger slope is accomplished, starter motor, the motor passes through the speed reducer and drives the backing roll rotation, and the backing roll that the pivot drove the other end simultaneously rotates, drives tubular heat exchanger rotation when the backing roll pivoted for antiseptic fully irritates the wall built-up at tubular heat exchanger, and this technical scheme still has the defect:
this technical scheme passes through the backing roll and drives the heat exchanger rotation, but the interval between a plurality of backing rolls is fixed setting, and the heat exchanger that inconveniently drives different diameters and different length rotates, and the heat exchanger of inconvenient different diameters and different length carries out antiseptic even coating promptly.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the preservative uniform coating device for the tubular heat exchanger of the petrochemical equipment, which has the advantage of uniformly coating the preservatives on the tubular heat exchangers with different diameters and different lengths, and solves the problem that the preservatives are not uniformly coated on the heat exchangers with different diameters and different lengths conveniently in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a petrochemical equipment tubular heat exchanger antiseptic evenly coats device, includes bottom plate and casing, the casing is fixed to be set up in the upper surface of bottom plate, the upper surface both sides of bottom plate and the inside that is located the casing all fixedly are provided with first fixed block, two be provided with first bidirectional screw between the first fixed block, the both ends of first bidirectional screw are all rotated with corresponding first fixed block through first antifriction bearing and are connected, the both ends pole wall of first bidirectional screw has first slider all cup jointed by the screw thread, the upper surface of bottom plate has seted up first spout, two the lower extreme of first slider all is through first limiting plate and first spout sliding connection, the left side the outside of first fixed block is provided with first motor, the output of first motor with the left end fixed connection of first bidirectional screw, the upper surface of two first sliders all fixedly is provided with the supporting seat, the upper surfaces of the two supporting seats are fixedly provided with fixing rings, the interiors of the two fixing rings are respectively provided with a rotating ring through a plurality of balls in a rotating manner, one end of the outer side of each rotating ring is fixedly sleeved with a toothed ring, two sides of the top end of the interior of the shell are respectively and fixedly provided with a second fixing block, a second bidirectional screw rod is arranged between the two second fixing blocks, two ends of the second bidirectional screw rod are respectively and rotatably connected with the corresponding second fixing blocks through second rolling bearings, two ends of the second bidirectional screw rod are respectively and threadedly sleeved with a second sliding block, the top end of the interior of the shell is provided with a second sliding chute, the upper ends of the two second sliding blocks are respectively and slidably connected with the corresponding sliding chutes through second limiting plates, the lower ends of the two second sliding blocks are respectively provided with a second motor, the output ends of the two second motors are respectively and fixedly sleeved with gears, and the two gears are respectively and mesh, the right side of the shell is provided with a transmission mechanism for driving the first bidirectional screw rod and the second bidirectional screw rod to synchronously rotate, and the two rotating rings are internally provided with clamping mechanisms.
Preferably, drive mechanism includes belt pulley and belt, the right-hand member of first bidirectional screw rod and second bidirectional screw rod all extends to the outside of the first fixed block and the second fixed block that correspond, two the belt pulley is all fixed the right-hand member of cup jointing in the first bidirectional screw rod and the second bidirectional screw rod that correspond, the belt sets up in the inside right side of casing, the belt with two the belt pulley all closely cup joints.
Preferably, fixture includes threaded sleeve and arc clamp splice, and is a plurality of threaded sleeve evenly distributed is in the inside wall that corresponds rotatory ring, and is a plurality of threaded sleeve's the equal screw thread in inside has cup jointed the threaded rod, and is a plurality of the arc clamp splice all rotates through third antifriction bearing and sets up in the inboard one end of the threaded rod that corresponds, and is a plurality of the runner has all been fixed to cup joint to the inboard one end of threaded rod.
Preferably, the first motor and the two second motors are fixedly connected with the corresponding first fixed block and the corresponding second sliding block through the supporting frame.
Preferably, the outer sides of the rotating wheels are provided with anti-skid grains.
Preferably, a plurality of the balls are made of wear-resistant steel.
Preferably, supporting legs are arranged on two sides of the lower end of the bottom plate.
(III) advantageous effects
Compared with the prior art, the invention provides a device for uniformly coating the preservative on the tubular heat exchanger of the petrochemical equipment, which has the following beneficial effects:
1. this antiseptic even coating device of petrochemical equipment tubular heat exchanger, thereby rotate through electronic first bidirectional screw that drives and can drive two first sliders and remove, drive two solid fixed ring promptly and remove, two solid fixed ring's inside all is provided with a plurality of thread bush, the threaded rod has been cup jointed to the inside equal screw thread of a plurality of thread bush, the inboard one end of a plurality of threaded rods all rotates through third antifriction bearing and is provided with the arc clamp splice, thereby the convenience carries out antiseptic even coating to the tubular heat exchanger of different length and diameter.
Drawings
FIG. 1 is a schematic structural view of a device for uniformly coating a corrosion inhibitor on a tubular heat exchanger of a petrochemical plant according to the present invention;
FIG. 2 is a side view of the retaining ring of FIG. 1;
FIG. 3 is a schematic view of the internal structure of FIG. 2;
fig. 4 is an enlarged view of a portion a of fig. 3.
In the figure: the support leg comprises a base plate 1, a shell 2, a first fixing block 3, a first bidirectional screw rod 4, a first sliding block 5, a supporting seat 6, a fixing ring 7, a rotating ring 8, a toothed ring 9, a second fixing block 10, a second bidirectional screw rod 11, a second sliding block 12, a belt pulley 13, a belt 14, a first motor 15, a second motor 16, a gear 17, a first limiting plate 18, a second limiting plate 19, an arc-shaped clamping block 20, a ball 21, a threaded sleeve 22, a threaded rod 23, a rotating wheel 24 and a supporting leg 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a device for uniformly coating an antiseptic agent on a tubular heat exchanger of petrochemical equipment comprises a bottom plate 1 and a shell 2, wherein the shell 2 is fixedly arranged on the upper surface of the bottom plate 1, first fixed blocks 3 are fixedly arranged on both sides of the upper surface of the bottom plate 1 and inside the shell 2, a first bidirectional screw rod 4 is arranged between the two first fixed blocks 3, both ends of the first bidirectional screw rod 4 are rotatably connected with the corresponding first fixed blocks 3 through first rolling bearings, rod walls at both ends of the first bidirectional screw rod 4 are respectively in threaded sleeve connection with first sliding blocks 5, a first sliding chute is arranged on the upper surface of the bottom plate 1, lower ends of the two first sliding blocks 5 are respectively in sliding connection with the first sliding chutes through first limiting plates 18, a first motor 15 is arranged on the outer side of the first fixed block 3 on the left side, an output end of the first motor 15 is fixedly connected with the left end of the first bidirectional screw rod 4, and supporting seats 6 are fixedly arranged on the, the upper surfaces of the two supporting seats 6 are fixedly provided with fixed rings 7, the interiors of the two fixed rings 7 are respectively provided with a rotating ring 8 through a plurality of balls 21 in a rotating manner, one ends of the outer sides of the two rotating rings 8 are respectively fixedly sleeved with a toothed ring 9, two sides of the top end of the interior of the shell 2 are respectively fixedly provided with a second fixed block 10, a second bidirectional screw rod 11 is arranged between the two second fixed blocks 10, two ends of the second bidirectional screw rod 11 are respectively and rotatably connected with the corresponding second fixed blocks 10 through second rolling bearings, two ends of the second bidirectional screw rod 11 are in threaded sleeve connection with second sliding blocks 12, the top end of the interior of the shell 2 is provided with a second sliding chute, the upper ends of the two second sliding blocks 12 are respectively and slidably connected with the corresponding sliding chutes through second limiting plates 19, the lower ends of the two second sliding blocks 12 are respectively provided with second motors 16, the output ends of the two second motors 16 are respectively and fixedly sleeved with, the right side of the shell 2 is provided with a transmission mechanism which drives the first bidirectional screw rod 4 and the second bidirectional screw rod 11 to synchronously rotate, and the inside of the two rotating rings 8 is provided with a clamping mechanism.
Drive mechanism includes belt pulley 13 and belt 14, and the right-hand member of first bidirectional screw 4 and second bidirectional screw 11 all extends to the outside of corresponding first fixed block 3 and second fixed block 10, and two belt pulleys 13 are all fixed cup joints in the right-hand member of corresponding first bidirectional screw 4 and second bidirectional screw 11, and belt 14 sets up in the inside right side of casing 2, and belt 14 all closely cup joints with two belt pulleys 13.
Fixture includes threaded sleeve 22 and arc clamp splice 20, and a plurality of threaded sleeve 22 evenly distributed have a threaded rod 23 in the inside equal thread cover of corresponding rotatory ring 8, and a plurality of arc clamp splices 20 all rotate through third antifriction bearing and set up in the inboard one end of the threaded rod 23 that corresponds, and the inboard one end of a plurality of threaded rods 23 is all fixed the cover and is connect runner 24.
The first motor 15 and the two second motors 16 are fixedly connected with the corresponding first fixed block 3 and the second sliding block 12 through the supporting frame, so that the first motor 15 and the two second motors 16 are connected with the corresponding first fixed block 3 and the second sliding block 12 more stably.
The outer sides of the plurality of rotating wheels 24 are provided with anti-skid grains, so that the plurality of rotating wheels 24 can be conveniently rotated.
The plurality of balls 21 are made of wear-resistant steel, so that the service life of the balls 21 is prolonged.
Supporting legs 25 are arranged on two sides of the lower end of the bottom plate 1, and the bottom plate can stably support equipment.
In conclusion, when the antiseptic uniform coating device for the tubular heat exchanger of the petrochemical equipment is used, a worker switches on a power supply of the first motor 15, the first motor 15 drives the first bidirectional screw rod 4 to rotate, so as to drive the two first sliding blocks 5 to move, namely, the distance between the two fixing rings 7 is adjusted, meanwhile, the first bidirectional screw rod 4 drives the second bidirectional screw rod 11 to synchronously rotate through the belt pulley 13, so as to drive the two second sliding blocks 12 and the first sliding blocks 5 to synchronously move, so that the two gears 17 are always in meshed connection with the corresponding toothed rings 9, after the distance between the two fixing rings 7 is adjusted to be matched with the tubular heat exchanger, the tubular heat exchanger filled with the antiseptic inside is placed inside the two rotating rings 8, the rotating wheels 24 inside the two rotating rings 8 are rotated, so that the rotating wheels 24 drive the corresponding threaded rods 23 to rotatably extend from the inside of the corresponding threaded sleeves 22, thereby make a plurality of arc clamp splice 20 press from both sides the one end of the tubular heat exchanger that corresponds tight fixedly, switch on two second motor 16's power this moment, two second motor 16 drive the gear 17 rotation that corresponds to drive two ring gears 9 and rotate, drive two rotatory rings 8 promptly and rotate, drive tubular heat exchanger promptly and rotate, thereby carry out even anticorrosive coating to the tubular heat exchanger inner wall.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a petrochemical equipment tubular heat exchanger antiseptic evenly coats device, includes bottom plate (1) and casing (2), its characterized in that: the shell (2) is fixedly arranged on the upper surface of the bottom plate (1), first fixed blocks (3) are fixedly arranged on two sides of the upper surface of the bottom plate (1) and located inside the shell (2), a first bidirectional screw rod (4) is arranged between the two first fixed blocks (3), two ends of the first bidirectional screw rod (4) are rotatably connected with the corresponding first fixed blocks (3) through first rolling bearings, first sliding blocks (5) are sleeved on two end rod walls of the first bidirectional screw rod (4) in a threaded manner, a first sliding chute is formed in the upper surface of the bottom plate (1), the lower ends of the two first sliding blocks (5) are slidably connected with the first sliding chute through first limiting plates (18), a first motor (15) is arranged on the left side of the first fixed block (3), the output end of the first motor (15) is fixedly connected with the left end of the first bidirectional screw rod (4), the upper surfaces of the two first sliding blocks (5) are fixedly provided with supporting seats (6), the upper surfaces of the two supporting seats (6) are fixedly provided with fixing rings (7), the insides of the two fixing rings (7) are respectively provided with a rotating ring (8) in a rotating manner through a plurality of balls (21), one end of the outer side of each rotating ring (8) is fixedly sleeved with a toothed ring (9), two sides of the top end of the inside of the shell (2) are respectively and fixedly provided with a second fixing block (10), a second bidirectional screw rod (11) is arranged between the two second fixing blocks (10), two ends of each second bidirectional screw rod (11) are respectively and rotatably connected with the corresponding second fixing block (10) through a second rolling bearing, two ends of each second bidirectional screw rod (11) are sleeved with a second sliding block (12) in a threaded manner, and the top end of the inside of the shell (2) is provided with a second, two the upper end of second slider (12) all passes through second limiting plate (19) and the spout sliding connection who corresponds, two the lower extreme of second slider (12) all is provided with second motor (16), two gear (17) have all been fixed to have cup jointed to the output of second motor (16), two gear (17) all with correspond ring gear (9) meshing connection, the right side of casing (2) is provided with the drive first bidirectional screw (4) and the synchronous pivoted drive mechanism of second bidirectional screw (11), two the inside of rotatory ring (8) all is provided with fixture.
2. The device for uniformly coating the corrosion inhibitor on the tubular heat exchanger of the petrochemical equipment according to claim 1, wherein: drive mechanism includes belt pulley (13) and belt (14), the right-hand member of first bidirectional screw rod (4) and second bidirectional screw rod (11) all extends to the outside of corresponding first fixed block (3) and second fixed block (10), two belt pulley (13) all fixed cover connect in the right-hand member of corresponding first bidirectional screw rod (4) and second bidirectional screw rod (11), belt (14) set up in the inside right side of casing (2), belt (14) and two belt pulley (13) all closely cup joint.
3. The device for uniformly coating the corrosion inhibitor on the tubular heat exchanger of the petrochemical equipment according to claim 1, wherein: the clamping mechanism comprises a threaded sleeve (22) and arc-shaped clamping blocks (20), the threaded sleeve (22) is uniformly distributed on the inner side wall of the corresponding rotating ring (8), the threaded sleeve (22) is sleeved with a threaded rod (23) in a threaded mode, the arc-shaped clamping blocks (20) are arranged at one end of the inner side of the corresponding threaded rod (23) in a rotating mode through a third rolling bearing in a rotating mode, and the rotating wheel (24) is sleeved with one end of the inner side of the threaded rod (23) in a rotating mode.
4. The device for uniformly coating the corrosion inhibitor on the tubular heat exchanger of the petrochemical equipment according to claim 1, wherein: the first motor (15) and the two second motors (16) are fixedly connected with the corresponding first fixed block (3) and the corresponding second sliding block (12) through supporting frames.
5. The device for uniformly coating the corrosion inhibitor on the tubular heat exchanger of the petrochemical equipment according to claim 3, wherein: the outer sides of the rotating wheels (24) are provided with anti-skid grains.
6. The device for uniformly coating the corrosion inhibitor on the tubular heat exchanger of the petrochemical equipment according to claim 1, wherein: the balls (21) are all made of wear-resistant steel.
7. The device for uniformly coating the corrosion inhibitor on the tubular heat exchanger of the petrochemical equipment according to claim 1, wherein: supporting legs (25) are arranged on two sides of the lower end of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010943206.3A CN112221873A (en) | 2020-09-09 | 2020-09-09 | Anticorrosive even coating device of petrochemical equipment tubular heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010943206.3A CN112221873A (en) | 2020-09-09 | 2020-09-09 | Anticorrosive even coating device of petrochemical equipment tubular heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN112221873A true CN112221873A (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010943206.3A Pending CN112221873A (en) | 2020-09-09 | 2020-09-09 | Anticorrosive even coating device of petrochemical equipment tubular heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112221873A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4726575A (en) * | 1986-10-03 | 1988-02-23 | Dearman Timothy Charles | Apparatus for aligning pipes |
| CN106369141A (en) * | 2016-10-31 | 2017-02-01 | 江阴市天润机械制造有限公司 | Gear capable of being fixed to round rods with different diameters |
| CN107597487A (en) * | 2017-09-20 | 2018-01-19 | 黄思宜 | A kind of airduct machine shaft multistation automatic oiling device |
| CN108581549A (en) * | 2018-07-13 | 2018-09-28 | 长兴新亚环保机械科技有限公司 | A kind of automobile component processing auxiliary clamp |
| CN108788617A (en) * | 2018-07-20 | 2018-11-13 | 王志鸿 | A kind of adjustable pipe fitting welding clamping device |
| CN109746619A (en) * | 2017-11-07 | 2019-05-14 | 扬州未来塑胶制品有限公司 | A kind of fixed device of welded tube mill tubing |
| CN109774179A (en) * | 2019-02-18 | 2019-05-21 | 青岛一点塑料焊接设备有限责任公司 | A kind of rapidly and efficiently plastic welding device |
| CN109876975A (en) * | 2019-04-12 | 2019-06-14 | 卢保明 | A kind of inner wall of the pipe auto spray painting device |
| CN209698526U (en) * | 2019-04-08 | 2019-11-29 | 余桉然 | A kind of clamping device applied to mechanical fitting production |
| CN209698362U (en) * | 2019-04-18 | 2019-11-29 | 潍坊昌大建设集团有限公司 | A kind of construction steel-pipe welding device |
| CN210413325U (en) * | 2019-08-22 | 2020-04-28 | 扬州市三祥机械制造有限公司 | Pneumatic clamp for welded pipe |
| CN211210014U (en) * | 2020-03-16 | 2020-08-07 | 扬州恒宇薄膜有限公司 | Static removing device for thin film material production |
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2020
- 2020-09-09 CN CN202010943206.3A patent/CN112221873A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726575A (en) * | 1986-10-03 | 1988-02-23 | Dearman Timothy Charles | Apparatus for aligning pipes |
| CN106369141A (en) * | 2016-10-31 | 2017-02-01 | 江阴市天润机械制造有限公司 | Gear capable of being fixed to round rods with different diameters |
| CN107597487A (en) * | 2017-09-20 | 2018-01-19 | 黄思宜 | A kind of airduct machine shaft multistation automatic oiling device |
| CN109746619A (en) * | 2017-11-07 | 2019-05-14 | 扬州未来塑胶制品有限公司 | A kind of fixed device of welded tube mill tubing |
| CN108581549A (en) * | 2018-07-13 | 2018-09-28 | 长兴新亚环保机械科技有限公司 | A kind of automobile component processing auxiliary clamp |
| CN108788617A (en) * | 2018-07-20 | 2018-11-13 | 王志鸿 | A kind of adjustable pipe fitting welding clamping device |
| CN109774179A (en) * | 2019-02-18 | 2019-05-21 | 青岛一点塑料焊接设备有限责任公司 | A kind of rapidly and efficiently plastic welding device |
| CN209698526U (en) * | 2019-04-08 | 2019-11-29 | 余桉然 | A kind of clamping device applied to mechanical fitting production |
| CN109876975A (en) * | 2019-04-12 | 2019-06-14 | 卢保明 | A kind of inner wall of the pipe auto spray painting device |
| CN209698362U (en) * | 2019-04-18 | 2019-11-29 | 潍坊昌大建设集团有限公司 | A kind of construction steel-pipe welding device |
| CN210413325U (en) * | 2019-08-22 | 2020-04-28 | 扬州市三祥机械制造有限公司 | Pneumatic clamp for welded pipe |
| CN211210014U (en) * | 2020-03-16 | 2020-08-07 | 扬州恒宇薄膜有限公司 | Static removing device for thin film material production |
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Application publication date: 20210115 |