CN109648410A - Pipe polishing device is used in a kind of machining - Google Patents
Pipe polishing device is used in a kind of machining Download PDFInfo
- Publication number
- CN109648410A CN109648410A CN201910123578.9A CN201910123578A CN109648410A CN 109648410 A CN109648410 A CN 109648410A CN 201910123578 A CN201910123578 A CN 201910123578A CN 109648410 A CN109648410 A CN 109648410A
- Authority
- CN
- China
- Prior art keywords
- fixedly installed
- mounting ring
- mounting
- polishing device
- dynamic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
- B24B5/045—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally with the grinding wheel axis perpendicular to the workpiece axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
Abstract
The invention discloses a kind of machining pipe polishing devices, the telescopic rod being fixedly connected including former and later two mounting racks with by two mounting racks, a hanging rod is hinged on the crossbeam of two mounting racks, the hanging rod lower end, which is fixedly installed with, determines mounting ring, and the side roll for determining mounting ring is equipped with dynamic mounting ring；Multiple Electrohydraulic push rods are fixedly installed on the inner sidewall of the dynamic mounting ring, the central axis of multiple Electrohydraulic push rods intersects with the central axis of dynamic mounting ring and vertical, it is fixedly installed with mounting plate on the push rod cup of each Electrohydraulic push rod, is fixedly installed with non-slipping block on the mounting plate；More connecting columns are fixedly installed on the lateral wall of the dynamic mounting ring.Beneficial effect is: a kind of machining of the present invention can be realized with pipe polishing device automatically polishes to outer pipe wall face, and polishing speed is fast, and high-efficient, grinding effect is good, and effectively saving human cost, practicability are good.
Description
Technical field
The present invention relates to field of machining, and in particular to pipe polishing device is used in a kind of machining.
Background technique
Currently, usually manually polishing for the polishing of tubing, in mechanical processing process because of tubing
Outer wall is disc, therefore necessary extra care when manual polishing, and careless slightly, tube surfaces just generate plane, influences tubing beauty
It sees, therefore experienced operator typically is relied on to complete for the polishing of tubing, this undoubtedly needs to spend biggish human cost, and
And manual polishing speed is slow, low efficiency is not very practical.
Summary of the invention
The object of the invention is that a kind of machining pipe polishing device is provided to solve the above-mentioned problems, with
Solve in the prior art tradition by manually tubing polish it is time-consuming and laborious, polishing speed it is slow, low efficiency, and manpower at
The problems such as this cost is higher, not very practical.Preferred technical solution can be realized in many technical solutions provided by the invention
Automatically it polishes outer pipe wall, polishing speed is fast, and high-efficient, grinding effect is good, and effectively saving human cost, practicability are good
Etc. technical effects, elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
A kind of machining pipe polishing device provided by the invention, including former and later two mounting racks and consolidate two mounting racks
Surely the telescopic rod connected is hinged with a hanging rod on the crossbeam of two mounting racks, and the hanging rod lower end is fixedly installed with
Determine mounting ring, the side roll for determining mounting ring is equipped with dynamic mounting ring；It is fixedly mounted on the inner sidewall of the dynamic mounting ring
There are multiple Electrohydraulic push rods, the central axis of multiple Electrohydraulic push rods intersects with the central axis of dynamic mounting ring and vertical, Mei Ge electricity
It is fixedly installed with mounting plate on the push rod cup of liquid push rod, is fixedly installed with non-slipping block on the mounting plate；The dynamic mounting ring
Lateral wall on be fixedly installed with more connecting columns, be fixedly installed with the bull gear concentric with dynamic mounting ring on more connecting columns；
The hanging rod side is fixedly installed with driving motor, is fixedly installed on the output shaft of the driving motor and large ring gear meshing
Drive gear；
Level is fixedly connected with sliding rail between former and later two mounting racks, and tiling has rack gear in the sliding rail, engages on the rack gear
It is connected with small gear ring, hub motor is inlaid in the small gear ring, the hub motor is installed through on wheel shaft, the wheel shaft
Both ends be fixedly installed with hanger, the hanger lower end is fixedly installed with push-rod electric machine vertically, and the push-rod electric machine lower end pushes away
Organic block is fixedly mounted in head, level is fixedly installed with polishing motor on the base, on the output shaft of the polishing motor
It is fixedly installed with polishing roller.
As the significant design of this case, the side insertion of the dynamic mounting ring is determined to roll company in mounting ring and with mounting ring is determined
It connects.
As the optimization design of this case, the side being in contact on the non-slipping block with tubing is concave surface.
As the optimization design of this case, the medial surface bottom for determining mounting ring is fixedly installed with wheel carrier, on the wheel carrier
It is fixedly installed with support wheel, the periphery of the support wheel is concave surface.
Installation is rolled as the optimization design of this case, on the wheel shaft there are two circle baffle, two round baffles are located at
The two sides of hub motor, the side of every round baffle are close to connection with hub motor, and the other side is in contact with sliding rail inner wall.
As the optimization design of this case, there are two the polishing numbers of motors, and is located at the both ends of polishing roller.
As the optimization design of this case, the hub motor quantity have it is multiple, multiple hub motors in sliding rail be in a word
Shape arranges and is evenly distributed on the two sides of polishing roller.
As the optimization design of this case, it is fixedly installed with wheel carrier on the push-rod electric machine, rolls and is equipped on the wheel carrier
Support wheel, the periphery of the support wheel are close to the bottom surface sliding of sliding rail.
Beneficial effect is: a kind of machining of the present invention can be realized automatically with pipe polishing device to tubing
Outside wall surface is polished, and polishing speed is fast, and high-efficient, grinding effect is good, and effectively saving human cost, practicability are good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is the partial enlarged view of Fig. 1 of the invention；
Fig. 4 is the cross-section diagram of sliding rail of the invention；
Fig. 5 is the top view of dynamic mounting ring of the invention.
The reference numerals are as follows:
1, mounting rack；2, telescopic rod；3, hanging rod；4, determine mounting ring；5, mounting ring is moved；6, Electrohydraulic push rod；7, mounting plate；8, anti-skidding
Block；9, polishing roller；10, connecting column；11, bull gear；12, driving motor；13, gear is driven；14, wheel carrier；15, support wheel；
16, sliding rail；17, rack gear；18, small gear ring；19, hub motor；20, circle baffle；21, wheel shaft；22, hanger；23, push-rod electric machine；
24, base；25, polishing motor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in referring to figures 1-4, a kind of machining pipe polishing device provided by the invention, including former and later two peaces
1 telescopic rod 2 being fixedly connected with by two mounting racks 1 is shelved, between telescopic rod 2 is for adjusting between two mounting racks 1
Away from facilitating the tubing of different length that can be sleeved in two dynamic mounting rings 5, be hinged with one on the crossbeam of two mounting racks 1
Root hanging rod 3,3 lower end of hanging rod, which is fixedly installed with, determines mounting ring 4, and the side roll for determining mounting ring 4 is equipped with dynamic mounting ring 5, in this way
Design moves mounting ring 5 and also follows rotation when driving motor 12 drives 11 rotation of bull gear, depending on mounting ring 4 it is fixed not
It is dynamic, so that it is guaranteed that the dynamic reliable rotation of mounting ring 5, so that tubing be driven reliably to rotate；It is fixedly mounted on the inner sidewall of dynamic mounting ring 5
There are multiple Electrohydraulic push rods 6, the central axis of multiple Electrohydraulic push rods 6 intersects with the central axis of dynamic mounting ring 5 and vertical, each
It is fixedly installed with mounting plate 7 on the push rod cup of Electrohydraulic push rod 6, non-slipping block 8 is fixedly installed on mounting plate 7, Electrohydraulic push rod 6 is used
Tubing is clamped in promotion non-slipping block 8；More connecting columns 10, more connecting columns 10 are fixedly installed on the lateral wall of dynamic mounting ring 5
On be fixedly installed with the bull gear 11 concentric with dynamic mounting ring 5；3 side of hanging rod is fixedly installed with driving motor 12, driving motor
The driving gear 13 engaged with bull gear 11 is fixedly installed on 12 output shaft；
Referring to fig. 2 shown in-Fig. 5, level is fixedly connected with sliding rail 16 between former and later two mounting racks 1, and tiling is with teeth in sliding rail 16
Item 17, engagement is connected with small gear ring 18 on rack gear 17, hub motor 19 is inlaid in small gear ring 18, hub motor 19 is for driving
Small 18 rotation of gear ring, small gear ring 18 is engaged with rack gear 17 in addition, therefore 18 rotation of small gear ring drives hub motor 19 along sliding rail
16 is mobile, then drives polishing roller 9 to move along sliding rail 16 and polishes entire tubing, hub motor 19 is installed through
On wheel shaft 21, the both ends of wheel shaft 21 are fixedly installed with hanger 22, and 22 lower end of hanger is fixedly installed with push-rod electric machine 23, push rod vertically
Organic block 24 is fixedly mounted on the push rod cup of 23 lower end of motor, level is fixedly installed with polishing motor 25, polishing electricity on base 24
Polishing roller 9 is fixedly installed on the output shaft of machine 25.
As optional embodiment, the side insertion of dynamic mounting ring 5 is determined to roll company in mounting ring 4 and with mounting ring 4 is determined
It connects, designs in this way, it is ensured that determine mounting ring 4 and be reliably connected with dynamic mounting ring 5.
The side being in contact on non-slipping block 8 with tubing is concave surface, is designed in this way, it is possible to increase non-slipping block 8 and outer pipe wall
Contact area, then increasing friction force, it is ensured that tubing will not trackslip.
The medial surface bottom for determining mounting ring 4 is fixedly installed with wheel carrier 14, and support wheel 15 is fixedly installed on wheel carrier 14, support
The periphery of wheel 15 is concave surface, when needing to adjust position of the tubing in dynamic mounting ring 5, that is, wants tubing along in its own
When mandrel line is mobile, it must need first to unclamp clamping of the non-slipping block 8 to tubing, at this point, for the ease of tubing along in its own
Mandrel line is mobile, and support wheel 15 is arranged in spy below tubing, right by support wheel 15 after non-slipping block 8 unclamps the clamping to tubing
Tubing is supported, and is moved convenient for tubing along its own central axis.
Installation is rolled on wheel shaft 21 there are two circle baffle 20, two round baffles 20 are located at the two sides of hub motor 19,
The side of every round baffle 20 is close to connection with hub motor 19, and the other side is in contact with 16 inner wall of sliding rail, because of hub motor
19 width is less than the width of 16 inner orbit of sliding rail, therefore the run-off the straight in moving process of hub motor 19 in order to prevent, special
Circle baffle 20 is set in the two sides of hub motor 19, has round baffle 20 to be clipped between hub motor 19 and track interior walls, it can be effective
Run-off the straight when preventing hub motor 19 from rotating.
There are two 25 quantity of motor of polishing, and is located at the both ends of polishing roller 9, designs in this way, it is ensured that polishing roller 9
Held stationary rotation is remained in polishing with enough power.
19 quantity of hub motor has multiple, and multiple hub motors 19 are in sliding rail 16 in rods arranged in horizontal line and being evenly distributed on
The two sides of polishing roller 9, are designed in this way, it can be ensured that polishing roller 9 steadily moves below sliding rail 16, avoids the occurrence of hub motor
Polishing roller 9, which is swung, when 19 rotation influences polishing.
It is fixedly installed with wheel carrier 14 on push-rod electric machine 23, is rolled on wheel carrier 14 and support wheel 15 is installed, outside support wheel 15
Disc is close to the bottom surface sliding of sliding rail 16, designs in this way, further ensures that polishing roller 9 will not be in cunning when hub motor 19 rotates
16 lower end of rail, which is swung, influences polishing.
Above-mentioned a kind of machining pipe polishing device, in use, first being stretched according to the length adjustment of tubing to be polished
Then the both ends of tubing are inserted into two respectively and moved by the length of contracting bar 2 to ensure that tubing both ends can cover in dynamic mounting ring 5
In mounting ring 5 and control Electrohydraulic push rod 6 movement push non-slipping block 8 tubing is fixedly clamped, then can start driving motor
12 by driving gear 13 to drive large ring gear 11 rotations, and 11 rotation of bull gear drives dynamic 5 rotation of mounting ring, moves 5 rotation of mounting ring
Tubing rotation is driven, then, the control polishing rotation of motor 25, which drives polishing roller 9 to rotate and controls push-rod electric machine 23, pushes polishing
The decline of roller 9 is contacted with outer pipe wall, thus polish outer pipe wall, it can synchronously control hub motor 19 in bruting process
Rotation drives polishing roller 9 to move along the central axis of tubing, so that the outside wall surface of whole root canal material is all polished, phase
Than traditional manual polishing, the polishing on outer pipe wall face can not only be avoided to be excessively formed plane, and polish speed and effect
Rate is obviously improved than manual polishing, and grinding effect is good, practical.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of machining pipe polishing device, including former and later two mounting racks (1) and connect two mounting racks (1) are fixed
Pick up the telescopic rod (2) come, it is characterised in that: a hanging rod (3), the extension are hinged on the crossbeam of two mounting racks (1)
Bar (3) lower end, which is fixedly installed with, determines mounting ring (4), and the side roll for determining mounting ring (4) is equipped with dynamic mounting ring (5)；Institute
It states and is fixedly installed on the inner sidewall of mounting ring (5) multiple Electrohydraulic push rods (6), the central axis of multiple Electrohydraulic push rods (6) is equal
Intersect with the central axis of dynamic mounting ring (5) and vertical, is fixedly installed with mounting plate on the push rod cup of each Electrohydraulic push rod (6)
(7), non-slipping block (8) are fixedly installed on the mounting plate (7)；It is fixedly installed on the lateral wall of the dynamic mounting ring (5) more
Root connecting column (10) is fixedly installed with the bull gear (11) concentric with dynamic mounting ring (5) on more connecting columns (10)；The hanging rod
(3) side is fixedly installed with driving motor (12), is fixedly installed on the output shaft of the driving motor (12) and bull gear
(11) the driving gear (13) engaged；
Level is fixedly connected with sliding rail (16) between former and later two mounting racks (1), and tiling has rack gear (17) in the sliding rail (16),
Engagement is connected with small gear ring (18) on the rack gear (17), is inlaid with hub motor (19), the wheel in the small gear ring (18)
Hub motor (19) is installed through on wheel shaft (21), and the both ends of the wheel shaft (21) are fixedly installed with hanger (22), the hanger
(22) lower end is fixedly installed with push-rod electric machine (23) vertically, is fixedly mounted on the push rod cup of push-rod electric machine (23) lower end organic
Seat (24), level is fixedly installed with polishing motor (25) on the base (24), solid on the output shaft of polishing motor (25)
Dingan County is equipped with polishing roller (9).
2. a kind of machining pipe polishing device according to claim 1, it is characterised in that: the dynamic mounting ring
(5) side insertion is determined to roll connection in mounting ring (4) and with mounting ring (4) are determined.
3. a kind of machining pipe polishing device according to claim 1, it is characterised in that: the non-slipping block (8)
The upper side being in contact with tubing is concave surface.
4. a kind of machining pipe polishing device according to claim 1, it is characterised in that: described to determine mounting ring
(4) medial surface bottom is fixedly installed with wheel carrier (14), is fixedly installed with support wheel (15), the support on the wheel carrier (14)
The periphery for taking turns (15) is concave surface.
5. a kind of machining pipe polishing device according to claim 1, it is characterised in that: on the wheel shaft (21)
Installation is rolled there are two circle baffle (20), two round baffles (20) are located at the two sides of hub motor (19), every round baffle
(20) side is close to connection with hub motor (19), and the other side is in contact with sliding rail (16) inner wall.
6. a kind of machining pipe polishing device according to claim 1, it is characterised in that: the polishing motor
(25) there are two quantity, and the both ends of polishing roller (9) are located at.
7. a kind of machining pipe polishing device according to claim 1, it is characterised in that: the hub motor
(19) quantity has multiple, and multiple hub motors (19) in rods arranged in horizontal line and are evenly distributed on polishing roller in sliding rail (16)
(9) two sides.
8. a kind of machining pipe polishing device according to claim 1, it is characterised in that: the push-rod electric machine
(23) it is fixedly installed on wheel carrier (14), rolls and be equipped with support wheel (15) on the wheel carrier (14), the support wheel (15)
Periphery is close to the bottom surface sliding of sliding rail (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123578.9A CN109648410A (en) | 2019-02-18 | 2019-02-18 | Pipe polishing device is used in a kind of machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910123578.9A CN109648410A (en) | 2019-02-18 | 2019-02-18 | Pipe polishing device is used in a kind of machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109648410A true CN109648410A (en) | 2019-04-19 |
Family
ID=66123214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910123578.9A Pending CN109648410A (en) | 2019-02-18 | 2019-02-18 | Pipe polishing device is used in a kind of machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109648410A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000680A (en) * | 2019-05-28 | 2019-07-12 | 嘉兴市杰希希管道工程有限公司 | A kind of surface derusting device for steel tubes grinding device that grinding homogeneity is good |
| CN110450254A (en) * | 2019-09-10 | 2019-11-15 | 王艳 | A kind of mushroom wood pulverizer automatic feeding device |
| CN110815026A (en) * | 2019-10-17 | 2020-02-21 | 安徽祥利机械有限公司 | Polishing device for motorcycle moving shaft |
| CN110976577A (en) * | 2019-12-19 | 2020-04-10 | 马书文 | Pipe bending device for machining |
| CN111230640A (en) * | 2020-02-03 | 2020-06-05 | 李洪伟 | A pipeline outer wall welding seam grinding device for building materials and building processing |
| CN111346955A (en) * | 2020-03-19 | 2020-06-30 | 绍兴市菲尔乐管业有限公司 | Surface machining device and method for bending small-size metal pipe |
| CN111438620A (en) * | 2020-05-20 | 2020-07-24 | 高彩真 | Water conservancy construction pipeline rust cleaning device |
| CN112266520A (en) * | 2020-10-29 | 2021-01-26 | 安徽杰蓝特新材料有限公司 | Organic rigid reinforced toughened alloy winding structure wall pipe for buried pipe and preparation method thereof |
| CN112605806A (en) * | 2020-12-15 | 2021-04-06 | 泰和县祥峰木艺制品有限公司 | Wooden stair stand grinding device |
| CN113334108A (en) * | 2021-08-09 | 2021-09-03 | 江苏光大杆塔有限公司 | Machine tool for steel pipe pole convenient to maintain |
| CN114474327A (en) * | 2022-02-16 | 2022-05-13 | 中铁上海工程局集团有限公司 | Automatic cleaning device for internal mold of assembled pier column |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000680B (en) * | 2019-05-28 | 2020-12-04 | 嘉兴市杰希希管道工程有限公司 | Polishing device for steel pipe surface rust removal device with good polishing uniformity |
| CN110000680A (en) * | 2019-05-28 | 2019-07-12 | 嘉兴市杰希希管道工程有限公司 | A kind of surface derusting device for steel tubes grinding device that grinding homogeneity is good |
| CN110450254A (en) * | 2019-09-10 | 2019-11-15 | 王艳 | A kind of mushroom wood pulverizer automatic feeding device |
| CN110815026A (en) * | 2019-10-17 | 2020-02-21 | 安徽祥利机械有限公司 | Polishing device for motorcycle moving shaft |
| CN110976577A (en) * | 2019-12-19 | 2020-04-10 | 马书文 | Pipe bending device for machining |
| CN111230640B (en) * | 2020-02-03 | 2021-10-01 | 李洪伟 | A pipeline outer wall welding seam grinding device for building materials and building processing |
| CN111230640A (en) * | 2020-02-03 | 2020-06-05 | 李洪伟 | A pipeline outer wall welding seam grinding device for building materials and building processing |
| CN111230640B8 (en) * | 2020-02-03 | 2021-11-12 | 李洪伟 | A pipeline outer wall welding seam grinding device for building materials and building processing |
| CN111346955A (en) * | 2020-03-19 | 2020-06-30 | 绍兴市菲尔乐管业有限公司 | Surface machining device and method for bending small-size metal pipe |
| CN111346955B (en) * | 2020-03-19 | 2021-06-08 | 绍兴市菲尔乐管业有限公司 | Surface machining device and method for bending small-size metal pipe |
| CN111438620A (en) * | 2020-05-20 | 2020-07-24 | 高彩真 | Water conservancy construction pipeline rust cleaning device |
| CN112266520A (en) * | 2020-10-29 | 2021-01-26 | 安徽杰蓝特新材料有限公司 | Organic rigid reinforced toughened alloy winding structure wall pipe for buried pipe and preparation method thereof |
| CN112605806A (en) * | 2020-12-15 | 2021-04-06 | 泰和县祥峰木艺制品有限公司 | Wooden stair stand grinding device |
| CN112605806B (en) * | 2020-12-15 | 2021-12-14 | 泰和县祥峰木艺制品有限公司 | Wooden stair stand grinding device |
| CN113334108A (en) * | 2021-08-09 | 2021-09-03 | 江苏光大杆塔有限公司 | Machine tool for steel pipe pole convenient to maintain |
| CN114474327A (en) * | 2022-02-16 | 2022-05-13 | 中铁上海工程局集团有限公司 | Automatic cleaning device for internal mold of assembled pier column |
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Application publication date: 20190419 |
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| RJ01 | Rejection of invention patent application after publication |