CN208557060U - A kind of construction site pipeline rust-removing cleaning device - Google Patents
A kind of construction site pipeline rust-removing cleaning device Download PDFInfo
- Publication number
- CN208557060U CN208557060U CN201820793855.8U CN201820793855U CN208557060U CN 208557060 U CN208557060 U CN 208557060U CN 201820793855 U CN201820793855 U CN 201820793855U CN 208557060 U CN208557060 U CN 208557060U
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- fixedly connected
- baffle
- pipeline
- construction site
- motor
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Abstract
The utility model discloses a kind of construction site pipeline rust-removing cleaning devices, including baffle, the left side of the baffle is fixedly connected with electric pushrod, the left end of the electric pushrod is fixedly connected with fixed plate, the upper surface and lower surface of the fixed plate are fixedly connected to sliding sleeve, and the inside of two sliding sleeves is socketed with slide bar, and the right end of two slide bars is fixedly connected in the left side of baffle.Construction site pipeline rust-removing cleaning device, by the way that motor is arranged, connecting rod and several sanding blocks are directly placed into the inside of pipeline to be derusted by people, the output shaft rotation of motor drives shaft rotation, several first connecting rods drive several grinding devices to rotate by telescopic rod and spring, so that several grinding devices start to derust to pipeline in pipeline internal rotating, relative to manually derust, the utility model can save time and the physical strength of people, to bring convenience to people when pipeline derusts.
Description
Technical field
The utility model relates to construction engineering technical field, specially a kind of construction site pipeline rust-removing cleaning device.
Background technique
Architectural engineering, refer to by construction to all kinds of building constructions and its affiliated facility and route matched with its, pipeline,
The installation activity of equipment is formed by engineering entity.Wherein " building construction ", which refers to, top cover, beam column, wall, basis and can
Inner space is formed, meets people's production, lives, learns, the engineering that public activity needs.
During building engineering construction, general people can use pipeline to carry out back work, and pipeline is for a long time
Use after will generally be influenced by environment there is a phenomenon where getting rusty, pipeline general people after getting rusty require to it
Derusting cleaning is carried out, traditional pipeline derusting cleaning way is typically all that people hold sanding block, and sanding block is then put into pipe
Derusting operation is manually manually carried out inside road, since manual hand manipulation can waste time and the body of people when clearing up pipeline
Power, to make troubles to people when derusting to pipeline.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of construction site pipeline rust-removing cleaning device, solution
The manual hand manipulation that determined can waste time and the physical strength of people when clearing up pipeline, thus to people when derusting to pipeline band
Carry out inconvenient problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of construction site pipeline derusting cleaning
Device, including baffle, the left side of the baffle are fixedly connected with electric pushrod, and the left end of the electric pushrod is fixedly connected with
Fixed plate, the upper surface and lower surface of the fixed plate are fixedly connected to sliding sleeve, and the inside of two sliding sleeves is socketed with cunning
Bar, and the right end of two slide bars is fixedly connected in the left side of baffle, and the left end of two slide bars is fixedly connected to block,
The left side of the fixed plate opens up fluted, and the groove is internally provided with motor, the right side of the motor body with
The right side of groove inner wall is fixedly connected, and the output shaft of motor is fixedly connected with shaft, and the surface of the shaft is socketed with axis
It holding, the bearing is connected to the left side of protective shell, and the right side of the protective shell is fixedly connected with the left side of fixed plate, and
Protective shell is corresponding with the position of motor.
The left end of the shaft is fixedly connected with connecting rod, and the surface of the connecting rod is fixedly connected with several the first companies
Fishplate bar, the upper surface of first connecting plate is fixedly connected with telescopic rod and spring, and spring is socketed in the surface of telescopic rod, institute
The top for stating telescopic rod and spring is fixedly connected in the lower surface of grinding device.
The telescopic rod includes shell, and the lower surface of the shell is fixedly connected with the upper surface of the first connecting plate, described
The left and right sides of inner walls offer sliding slot, and the inside of two sliding slots slidably connects sliding block, and two sliding blocks
Opposite face be fixedly connected respectively with the left and right sides of movable plate, the upper surface of the movable plate is fixedly connected with support rod,
The top of the support rod passes through the through-hole that housing upper surface opens up and is fixedly connected with the lower surface of grinding device.
Preferably, the right side of the baffle is fixedly connected with two handles, and two handles are located on the right side of baffle
The front and rear sides in face.
Preferably, the handle includes U-shaped bar, and the left end of the U-shaped bar is fixedly connected on the right side of baffle, the U
The surface of shape bar is socketed with protective case, and the material of the protective case is rubber.
Preferably, the grinding device includes the second connecting plate, the lower surface of second connecting plate and telescopic rod and bullet
The top of spring is fixedly connected, and the upper surface of second connecting plate is fixedly connected with sanding block.
Preferably, the right side of the baffle is provided with power supply, and the power supply is located between two handles, the power supply
Right side is provided with switch.
Preferably, the output end of the power supply is electrically connected by conducting wire with the input terminal of switch, the output end of the switch
It is electrically connected respectively with the input terminal of electric pushrod and motor by conducting wire.
(3) beneficial effect
The utility model provides a kind of construction site pipeline rust-removing cleaning device, have it is following the utility model has the advantages that
(1), construction site pipeline rust-removing cleaning device, by the way that motor is arranged, people are by connecting rod and several dozens
Abrading block is directly placed into the inside of pipeline to be derusted, and the output shaft rotation of motor drives shaft rotation, and shaft drives connecting rod rotation,
Connecting rod rotation is able to drive the rotation of several first connecting plates, if several first connecting rods are driven by telescopic rod and spring
Dry grinding device rotation, so that several grinding devices start to derust to pipeline in pipeline internal rotating, relatively
In manually derust, the utility model can save time and the physical strength of people, thus to people pipeline derust
When bring convenience.
(2), construction site pipeline rust-removing cleaning device, by the way that electric pushrod, electric pushrod elongation or contracting is arranged
The short fixed plate that is able to drive moves left and right, and fixed plate drives motor to move left and right, and motor drives connecting rod to move left and right, connecting rod
Several grinding devices are able to drive to move left and right, it is convenient so as to directly adjust position of the grinding device inside pipeline
People polish at the position different to pipeline inside, by setting slide bar and sliding sleeve, fixed plate can be made when moving left and right
It will not rotate, to keep fixed plate more steady when moving left and right, by the way that block is arranged, can be avoided and slide over slide bar
Surface falls off when sliding from slide bar surface.
(3), construction site pipeline rust-removing cleaning device can prevent grinding device from polishing by the way that protective shell is arranged
The iron rust of generation enters inside motor, so as to play a protective role to motor, the service life of motor is extended, by setting
Two handles are set, people can be facilitated to hold the utility model and carried out using by the way that spring is arranged, when people polish several
When device is put into inside pipeline, spring can push grinding device to be adjacent to inner wall of the pipe using own resilient, so as to make to beat
The polishing derusting effect of mill apparatus is more preferable, and the utility model which has a compact structure and a reasonable design, practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the utility model is faced；
Fig. 2 is the structural schematic diagram of the right view of the utility model；
Fig. 3 is the structural schematic diagram of the flexible bar section of the utility model.
In figure: 1 baffle, 2 electric pushrods, 3 fixed plates, 4 sliding sleeves, 5 slide bars, 6 blocks, 7 grooves, 8 motors, 9 connecting rods, 10
Bearing, 11 protective shells, 12 first connecting plates, 13 telescopic rods, 131 shells, 132 sliding slots, 133 sliding blocks, 134 movable plates, 135 supports
Bar, 136 through-holes, 14 springs, 15 grinding devices, 151 second connecting plates, 152 sanding blocks, 16 handles, 161U shape bar, 162 protections
Set, 17 power supplys, 18 switches, 19 shafts.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of construction site pipeline derusting cleaning dress
It sets, including baffle 1, the right side of baffle 1 is fixedly connected with two handles 16, and two handles 16 are located at 1 right side of baffle
The front and rear sides in face can facilitate people to hold the utility model and carry out using handle 16 includes by the way that two handles 16 are arranged
U-shaped bar 161, the left end of U-shaped bar 161 are fixedly connected on the right side of baffle 1, and the surface of U-shaped bar 161 is socketed with protective case 162,
The material of protective case 162 is rubber, by the way that protective case 162 is arranged, people can be made more comfortable in hand-held U-shaped bar 161, kept off
The right side of plate 1 is provided with power supply 17, and power supply 17 is located between two handles 16, and the right side of power supply 17 is provided with switch 18,
The output end of power supply 17 is electrically connected by conducting wire with the input terminal of switch 18, can be the utility model by the way that power supply 17 is arranged
Electric energy is provided, the output end of switch 18 is electrically connected with the input terminal of electric pushrod 2 and motor 8 respectively by conducting wire, a left side for baffle 1
Side is fixedly connected with electric pushrod 2, and by the way that electric pushrod 2 is arranged, the elongation of electric pushrod 2 or shortening are able to drive fixed plate
3 move left and right, and fixed plate 3 drives motor 8 to move left and right, and motor 8 drives connecting rod 9 to move left and right, if connecting rod 9 is able to drive
A dry grinding device 15 moves left and right, and so as to directly adjust position of the grinding device 15 inside pipeline, facilitates people couple
Different positions is polished inside pipeline, and the left end of electric pushrod 2 is fixedly connected with fixed plate 3, the upper surface of fixed plate 3 with
Lower surface is fixedly connected to sliding sleeve 4, and the inside of two sliding sleeves 4 is socketed with slide bar 5, by the way that slide bar 5 and sliding sleeve 4 is arranged,
Fixed plate 3 can be made not rotate when moving left and right, to keep fixed plate 3 more steady when moving left and right, and two
The right end of a slide bar 5 is fixedly connected in the left side of baffle 1, and the left end of two slide bars 5 is fixedly connected to block 6, is led to
Setting block 6 is crossed, sliding sleeve 4 is can be avoided and falls off when 5 surface of slide bar is slided from 5 surface of slide bar, the left side of fixed plate 3 opens up
Fluted 7, groove 7 is internally provided with motor 8, and by the way that motor 8 is arranged, the output shaft rotation of motor 8 drives shaft 19 to rotate,
Shaft 19 drives connecting rod 9 to rotate, and the rotation of connecting rod 9 is able to drive the rotation of several first connecting plates 12, several first companies
Extension bar 9 drives the rotation of several grinding devices 15 by telescopic rod 13 and spring 14, so that several grinding devices 15 exist
Pipeline internal rotating starts to derust to pipeline, and the right side of 8 fuselage of motor is fixedly connected with the right side of 7 inner wall of groove,
And the output shaft of motor 8 is fixedly connected with shaft 19, the surface of shaft 19 is socketed with bearing 10, and bearing 10 is connected to protective shell 11
Left side, by be arranged protective shell 11, can prevent grinding device 15 polishing generate iron rust enter inside motor 8, thus
It can play a protective role to motor 8, extend the service life of motor 8, the right side of protective shell 11 and the left side of fixed plate 3
Face is fixedly connected, and protective shell 11 is corresponding with the position of motor 8.
The left end of shaft 19 is fixedly connected with connecting rod 9, and the surface of connecting rod 9 is fixedly connected with several the first connecting plates
12, the upper surface of the first connecting plate 12 is fixedly connected with telescopic rod 13 and spring 14, and spring 14 is socketed in the table of telescopic rod 13
Face, by the way that spring 14 is arranged, when several grinding devices 15 are put into inside pipeline by people, spring 14 can utilize itself bullet
It pushes dynamic grinding device 15 and is adjacent to inner wall of the pipe, so as to keep the polishing derusting effect of grinding device 15 more preferable, telescopic rod 13
It being fixedly connected with the top of spring 14 in the lower surface of grinding device 15, grinding device 15 includes the second connecting plate 151, and second
The lower surface of connecting plate 151 is fixedly connected with the top of telescopic rod 13 and spring 14, and the upper surface of the second connecting plate 151 is fixed to be connected
It is connected to sanding block 152.
Telescopic rod 13 includes shell 131, by setting telescopic rod 13, spring 14 can be made not send out when doing stretching motion
Raw distortion, thus keep grinding device 15 more steady when carrying out rotary-grinding, the lower surface of shell 131 and the first connecting plate 12
Upper surface be fixedly connected, the left and right sides of 131 inner wall of shell offer sliding slot 132, and the inside of two sliding slots 132 is equal
Sliding block 133 is slidably connected, and the opposite face of two sliding blocks 133 is fixedly connected with the left and right sides of movable plate 134 respectively, it is living
The upper surface of movable plate 134 is fixedly connected with support rod 135, and the top of support rod 135 passes through the through-hole that 131 upper surface of shell opens up
It 136 and is fixedly connected with the lower surface of grinding device 15.
In use, people hold handle 16 first, then connecting rod 9 and several sanding blocks 152 are directly placed into wait remove
The inside of rust pipeline, spring 14 can push grinding device 15 be adjacent to inner wall of the pipe using own resilient, then people's Operation switch
18 rotate the output shaft of motor 8, and the output shaft rotation of motor 8 drives shaft 19 to rotate, and shaft 19 drives connecting rod 9 to rotate,
The rotation of connecting rod 9 is able to drive the rotation of several first connecting plates 12, several first connecting rods 9 pass through telescopic rod 13 and spring
14 drive several grinding devices 15 rotation, then people's Operation switch 18 make electric pushrod 2 work, electric pushrod 2 elongation or
Person's shortening is able to drive fixed plate 3 and moves left and right, and fixed plate 3 drives motor 8 to move left and right, and motor 8 drives connecting rod 9 or so to move
Dynamic, connecting rod 9 is able to drive several grinding devices 15 and moves left and right, and beats so as to the position different to pipeline inside
Abrade rust.
It can to sum up obtain, (1), construction site pipeline rust-removing cleaning device, by the way that motor 8 is arranged, people are by connecting rod 9
The inside of pipeline to be derusted is directly placed into several sanding blocks 152, the output shaft rotation of motor 8 drives shaft 19 to rotate, turns
Axis 19 drives connecting rod 9 to rotate, and the rotation of connecting rod 9 is able to drive the rotation of several first connecting plates 12, several first connections
Bar 9 drives the rotation of several grinding devices 15 by telescopic rod 13 and spring 14, so that several grinding devices 15 are in pipe
Road internal rotating starts to derust to pipeline, relative to manually derust, the utility model can save people
Time and physical strength, thus to people pipeline derust when bring convenience.
(2), construction site pipeline rust-removing cleaning device, by be arranged electric pushrod 2, electric pushrod 2 elongation or
Shortening is able to drive fixed plate 3 and moves left and right, and fixed plate 3 drives motor 8 to move left and right, and motor 8 drives connecting rod 9 or so to move
Dynamic, connecting rod 9 is able to drive several grinding devices 15 and moves left and right, so as to directly adjust grinding device 15 in pipeline
The position in portion, the position for facilitating people different to pipeline inside are polished, and by setting slide bar 5 and sliding sleeve 4, can make to fix
Plate 3 will not be rotated when moving left and right, thus keep fixed plate 3 more steady when moving left and right, by the way that block 6 is arranged,
It can be avoided sliding sleeve 4 to fall off when 5 surface of slide bar is slided from 5 surface of slide bar.
(3), construction site pipeline rust-removing cleaning device can prevent grinding device 15 by the way that protective shell 11 is arranged
The iron rust that polishing generates enters inside motor 8, and so as to play a protective role to motor 8, extend motor 8 uses the longevity
Life, by be arranged two handles 16, can facilitate people hold the utility model carry out using, by be arranged spring 14, work as people
When several grinding devices 15 are put into inside pipeline, spring 14 can push grinding device 15 be adjacent to pipe using own resilient
Road inner wall, so as to keep the polishing derusting effect of grinding device 15 more preferable, and the utility model which has a compact structure and a reasonable design,
It is practical.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of construction site pipeline rust-removing cleaning device, including baffle (1), it is characterised in that: the left side of the baffle (1)
Face is fixedly connected with electric pushrod (2), and the left end of the electric pushrod (2) is fixedly connected with fixed plate (3), the fixed plate
(3) upper surface and lower surface is fixedly connected to sliding sleeve (4), and the inside of two sliding sleeves (4) is socketed with slide bar (5), and
The right end of two slide bars (5) is fixedly connected in the left side of baffle (1), and the left end of two slide bars (5) is fixedly connected to
The left side of block (6), the fixed plate (3) opens up fluted (7), and the groove (7) is internally provided with motor (8), institute
The right side for stating motor (8) fuselage is fixedly connected with the right side of groove (7) inner wall, and the output shaft of motor (8) is fixedly connected
Have shaft (19), the surface of the shaft (19) is socketed with bearing (10), and the bearing (10) is connected to a left side for protective shell (11)
The right side of side, the protective shell (11) is fixedly connected with the left side of fixed plate (3), and protective shell (11) and motor (8)
Position it is corresponding；
The left end of the shaft (19) is fixedly connected with connecting rod (9), and the surface of the connecting rod (9) is fixedly connected with several
First connecting plate (12), the upper surface of first connecting plate (12) are fixedly connected with telescopic rod (13) and spring (14), and bullet
Spring (14) is socketed in the surface of telescopic rod (13), and the top of the telescopic rod (13) and spring (14) is fixedly connected with to be filled in polishing
Set the lower surface of (15)；
The telescopic rod (13) includes shell (131), the lower surface of the shell (131) and the upper surface of the first connecting plate (12)
It is fixedly connected, the left and right sides of shell (131) inner wall offer sliding slot (132), and the inside of two sliding slots (132)
It slidably connects sliding block (133), and the opposite face of two sliding blocks (133) is solid with the left and right sides of movable plate (134) respectively
Fixed connection, the upper surface of the movable plate (134) are fixedly connected with support rod (135), and the top of the support rod (135) passes through
Through-hole (136) that shell (131) upper surface opens up simultaneously is fixedly connected with the lower surface of grinding device (15).
2. a kind of construction site pipeline rust-removing cleaning device according to claim 1, it is characterised in that: the baffle
(1) right side is fixedly connected with two handles (16), and two handles (16) are located at the front and back two of baffle (1) right side
Side.
3. a kind of construction site pipeline rust-removing cleaning device according to claim 2, it is characterised in that: the handle
It (16) include U-shaped bar (161), the left end of the U-shaped bar (161) is fixedly connected on the right side of baffle (1), the U-shaped bar
(161) surface is socketed with protective case (162), and the material of the protective case (162) is rubber.
4. a kind of construction site pipeline rust-removing cleaning device according to claim 1, it is characterised in that: the polishing dress
Setting (15) includes the second connecting plate (151), the lower surface of second connecting plate (151) and telescopic rod (13) and spring (14)
Top is fixedly connected, and the upper surface of second connecting plate (151) is fixedly connected with sanding block (152).
5. a kind of construction site pipeline rust-removing cleaning device according to claim 1, it is characterised in that: the baffle
(1) right side is provided with power supply (17), and the power supply (17) is located between two handles (16), the right side of the power supply (17)
Face is provided with switch (18).
6. a kind of construction site pipeline rust-removing cleaning device according to claim 5, it is characterised in that: the power supply
(17) output end is electrically connected by conducting wire with the input terminal for switching (18), and the output end of the switch (18) is distinguished by conducting wire
It is electrically connected with the input terminal of electric pushrod (2) and motor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820793855.8U CN208557060U (en) | 2018-05-25 | 2018-05-25 | A kind of construction site pipeline rust-removing cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820793855.8U CN208557060U (en) | 2018-05-25 | 2018-05-25 | A kind of construction site pipeline rust-removing cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208557060U true CN208557060U (en) | 2019-03-01 |
Family
ID=65482279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820793855.8U Expired - Fee Related CN208557060U (en) | 2018-05-25 | 2018-05-25 | A kind of construction site pipeline rust-removing cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208557060U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390674A (en) * | 2020-03-02 | 2020-07-10 | 江西理工大学 | Floating grinding head mechanism |
| CN111438620A (en) * | 2020-05-20 | 2020-07-24 | 高彩真 | Water conservancy construction pipeline rust cleaning device |
| CN112014539A (en) * | 2020-07-23 | 2020-12-01 | 安徽中煊锅炉有限公司 | Method for monitoring service life loss state of boiler tube |
| CN112157433A (en) * | 2020-10-29 | 2021-01-01 | 江西耐乐铜业有限公司 | Processing equipment for grooved pipe of ultrathin deep groove |
| CN112264848A (en) * | 2020-09-21 | 2021-01-26 | 缙云县恩润工业设计有限公司 | Pipe inner wall rust removal device for environmental protection machinery production |
| CN112318236A (en) * | 2020-10-20 | 2021-02-05 | 高建文 | High-precision grinding equipment for machining inner wall of long pipe fitting |
| CN112355793A (en) * | 2020-10-30 | 2021-02-12 | 张炜琛 | End cover polishing device for processing sewage pump |
| CN113601369A (en) * | 2021-10-11 | 2021-11-05 | 徐州阚宁工程机械加工有限公司 | Pipe fitting is maintained and is used rust cleaning device |
| CN113638605A (en) * | 2021-09-10 | 2021-11-12 | 中建二局第二建筑工程有限公司中原分公司 | Intelligent construction device for plugging reserved hole of shear wall |
| CN115319548A (en) * | 2022-10-13 | 2022-11-11 | 海安玻克超硬材料有限公司 | Cylinder inner wall grinding device |
| CN116673805A (en) * | 2023-07-28 | 2023-09-01 | 盐城杰诺机械有限公司 | Inner barrel grinding equipment |
-
2018
- 2018-05-25 CN CN201820793855.8U patent/CN208557060U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390674B (en) * | 2020-03-02 | 2021-11-30 | 江西理工大学 | Floating grinding head mechanism |
| CN111390674A (en) * | 2020-03-02 | 2020-07-10 | 江西理工大学 | Floating grinding head mechanism |
| CN111438620A (en) * | 2020-05-20 | 2020-07-24 | 高彩真 | Water conservancy construction pipeline rust cleaning device |
| CN112014539A (en) * | 2020-07-23 | 2020-12-01 | 安徽中煊锅炉有限公司 | Method for monitoring service life loss state of boiler tube |
| CN112264848A (en) * | 2020-09-21 | 2021-01-26 | 缙云县恩润工业设计有限公司 | Pipe inner wall rust removal device for environmental protection machinery production |
| CN112318236A (en) * | 2020-10-20 | 2021-02-05 | 高建文 | High-precision grinding equipment for machining inner wall of long pipe fitting |
| CN112157433A (en) * | 2020-10-29 | 2021-01-01 | 江西耐乐铜业有限公司 | Processing equipment for grooved pipe of ultrathin deep groove |
| CN112355793A (en) * | 2020-10-30 | 2021-02-12 | 张炜琛 | End cover polishing device for processing sewage pump |
| CN112355793B (en) * | 2020-10-30 | 2022-05-03 | 长春市第一水泵有限公司 | End cover polishing device for processing sewage pump |
| CN113638605A (en) * | 2021-09-10 | 2021-11-12 | 中建二局第二建筑工程有限公司中原分公司 | Intelligent construction device for plugging reserved hole of shear wall |
| CN113601369A (en) * | 2021-10-11 | 2021-11-05 | 徐州阚宁工程机械加工有限公司 | Pipe fitting is maintained and is used rust cleaning device |
| CN115319548A (en) * | 2022-10-13 | 2022-11-11 | 海安玻克超硬材料有限公司 | Cylinder inner wall grinding device |
| CN115319548B (en) * | 2022-10-13 | 2023-11-07 | 海安玻克超硬材料有限公司 | Cylinder inner wall grinding device |
| CN116673805A (en) * | 2023-07-28 | 2023-09-01 | 盐城杰诺机械有限公司 | Inner barrel grinding equipment |
| CN116673805B (en) * | 2023-07-28 | 2023-09-26 | 盐城杰诺机械有限公司 | Inner barrel grinding equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20190525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |