CN108672762A - Motor lathe machining device - Google Patents
Motor lathe machining device Download PDFInfo
- Publication number
- CN108672762A CN108672762A CN201810806847.7A CN201810806847A CN108672762A CN 108672762 A CN108672762 A CN 108672762A CN 201810806847 A CN201810806847 A CN 201810806847A CN 108672762 A CN108672762 A CN 108672762A
- Authority
- CN
- China
- Prior art keywords
- processing department
- bull stick
- pipe fitting
- conduit
- stick portion
- 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
- 238000003754 machining Methods 0.000 title claims abstract description 21
- 244000309464 bull Species 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 15
- 230000003139 buffering effect Effects 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
Abstract
The present invention relates to part manufacture fields, specifically disclose motor lathe machining device, including rack, the fixed mechanism of fixed pipe fitting to be processed, drill bit and the guiding mechanism for driving drill bit rotation and moving horizontally, fixed mechanism and guiding mechanism are welded in rack, drill bit includes bull stick portion and processing department, one end of processing department is fixedly connected with bull stick portion, the other end of processing department waits for that incision is opposite with pipe fitting to be processed, processing department is coaxially arranged with columnar groove on one end far from bull stick portion, the end face of processing department is equipped with the cambered blade of several coaxial weldings, one end of cambered blade is fixedly connected with the end face of processing department, the other end of cambered blade is detached with the end face of processing department, and the side of end face of the cambered blade far from processing department is equipped with blade.This programme can carry out quick notch processing on the side wall of pipe fitting to be processed, be welded to pipe fitting convenient for the later stage.
Description
Technical field
The invention belongs to part manufacture fields, and in particular to motor lathe machining device.
Background technology
Frame of motorcycle is the important component of motorcycle, is the support of all parts in motorcycle.Frame of motorcycle is main
It is welded by standpipe, supervisor, left right rear tubes, left and right upper tube and hangoff receptacle etc., during welding, the end of first pipe fitting
Face is welded on the side of second pipe fitting, after the end face of first pipe fitting is bonded with the side of second pipe fitting, to joint place
It is welded, the solder there are many weld stackings after welding fabrication, solder is rough to be coated in weld, is not easy to
Uniform painting operations are carried out to the surface of pipe fitting.
First pipe fitting is in contact of the face with face with the weld of second pipe fitting simultaneously, and contact surface is smaller, when first
When the weld of pipe fitting is acted on by radial load, the phenomenon that being susceptible to desoldering, and then entire frame of motorcycle damages,
Easily there is the case where stress deformation in the part of pipe fitting stress damage, is not easy to be welded again；If at this time in second pipe fitting
The notch limited to the end face of first pipe fitting is processed on side, you can effectively weaken this problem, but existing scarce at present
Few side to pipe fitting carries out the device of notch processing.
Invention content
The invention is intended to provide motor lathe machining device, added with carrying out quick notch on the side wall of pipe fitting to be processed
Work.
In order to achieve the above object, base case of the invention is as follows：Motor lathe machining device, including rack further include
Fixed mechanism, drill bit and the guiding mechanism for driving drill bit rotation and moving horizontally of fixed pipe fitting to be processed, the fixed machine
Structure and guiding mechanism are fixedly mounted in rack, and the drill bit includes bull stick portion and processing department, bull stick portion and the equal water of processing department
Flat setting, one end of the processing department are fixedly connected with bull stick portion, and the other end of processing department waits for incision with pipe fitting to be processed
Relatively, columnar groove is coaxially arranged on the one end of processing department far from bull stick portion, the end face of the processing department is equipped with several
The cambered blade of coaxial welding, one end of cambered blade are fixedly connected with the end face of processing department, the other end of cambered blade with plus
The end face of the Ministry of worker detaches, and the side of end face of the cambered blade far from processing department is equipped with blade；On the side of the processing department
Equipped with several chip removal through-holes, chip removal through-hole is opposite with blade, and the side of chip removal through-hole and cambered blade are far from pipe fitting to be processed
Side it is coplanar.
The principle and its advantage of base case：1, it is coaxially arranged on the one end of processing department far from bull stick portion columnar recessed
Slot, and the end face of processing department be equipped with several coaxial weldings cambered blade, when cambered blade rotate and with pipe fitting to be processed
When incision contacts, incision can be treated at the blade of cambered blade and carries out machining, the notch of formation is in fan-shaped item
Shape, and then be embedded into the notch convenient for the end face of another pipe fitting, the inner wall of notch is contacted with the end face of another pipe fitting, welding
Intensity meeting higher between two pipe fittings afterwards, is less prone to desoldering phenomenon；2, the end face of one end of cambered blade and processing department
It is fixedly connected, the other end of cambered blade is detached with the end face of processing department, and cambered blade at this time is inclined at processing department
On end face, the end face at blade not with processing department contacts, and when blade is bonded with incision, can ensure the blade of cambered blade
Place carries out incision stable cutting；3, the side of processing department be equipped with several chip removal through-holes, and the side of chip removal through-hole with
Side of the cambered blade far from pipe fitting to be processed is coplanar, and the scrap that cambered blade generates in cutting process passes through cambered blade
Upper side be moved to chip removal through hole, convenient for the scrap used chip removal through-hole discharge after cutting, avoid the cutting of cambered blade
It is interfered by scrap.
In conclusion being equipped with the fixed mechanism of fixed pipe fitting to be processed in the present apparatus and cutting the incision of pipe fitting
Drill bit, the processing department in drill bit can carry out machining to the incision of pipe fitting can wait for after pipe fitting machining by another
The end face of the pipe fitting of welding is welded again after being embedded into notch, can effectively enhance the weld strength between two pipe fittings.
Further, the guiding mechanism include screw thread gear ring, drive screw thread ring gear against rotation and move horizontally driving wheel, can
The pilot unit for driving the motor of driving wheel positive and negative rotation and being oriented to drill bit, the screw thread gear ring coaxial welding are turning
On the outer surface of bar portion, driving wheel is fixedly connected with the power output end of motor, and motor is welded in rack.Start electronic
Machine, motor drive driving wheel to rotate forward, and driving wheel is engaged with screw thread gear ring, and then drive the bull stick connect with thread lap welding
Portion rotates, and bull stick portion moves horizontally while rotation to the direction close to pipe fitting to be processed, portion's rotation easy to process and level
It is mobile to waiting for that incision is close, be easy to implement the machining of cambered blade；After the completion of cutting, motor is driving driving wheel just
It rotates backward to rotation, is waited for separate while counter-rotational driving wheel drives screw thread gear ring, bull stick portion and processing department to rotate
The direction for processing pipe fitting retracts, and the rotation of processing department had not only been realized during this but also has realized moving horizontally for processing department, has been realized
The stable conversion of power.
Further, the pilot unit includes the first conduit and the second conduit, the described one end of bull stick portion far from processing department
With the inner wall sliding contact of the first conduit, the one end of the first conduit far from bull stick portion is fixedly connected with rack, and the processing department is slided
Dynamic to be mounted in one end of the second conduit, the one end of the second conduit far from bull stick portion is equipped with the ring-type for adsorbing pipe fitting side to be processed
Sucker；The side of second conduit is fixedly connected with rack.First conduit and the second conduit can to drill bit move horizontally and
Rotation is oriented to, at the same on cyclic annular sucker suction to the side of pipe fitting to be processed after, can allow pipe fitting to be processed waits for notch
, in same horizontal line, being avoided that pipe fitting to be processed beats in process, it is convenient for cambered blade with working position in place
Stable cutting is carried out to incision.
Further, the fixed mechanism includes cricoid air bag, fixed link and the retainer plate being vertically arranged, the fixation
The lower end of bar is fixedly connected with rack, and the lateral surface of the upper end retainer plate of fixed link is fixedly connected, and the air bag coaxial welding exists
On the inner wall of fixed link.After pipe fitting to be processed is horizontally mounted in retainer plate, pipe fitting and balloon contacts to be processed, fixed link pair
Retainer plate and pipe fitting to be processed are supported；Shaken unavoidably in pipe fitting processing, air bag can by pipe fitting and retainer plate it
Between keep apart, avoid the inner wall of pipe fitting side wall and retainer plate from colliding, so avoid pipe fitting side wall by hang it is bad.
Further, the described one end of second conduit far from bull stick portion is equipped with the cushion chamber that can be connected to chip removal through-hole, delays
The inner wall for rushing chamber is equipped with buffering cotton.Scrap in chip removal through-hole enters buffering by chip removal through-hole under the influence of centrifugal force
Intracavitary, scrap impact on the buffering cotton in cushion chamber, and the bottom of slug collection to cushion chamber is avoided scrap again by cushion chamber
It falls after rise to cambered blade, the machining of cambered blade is interfered.
Further, the spring of coaxial arrangement is equipped between first conduit and bull stick portion, one end of spring is led with first
Inside pipe wall is fixedly connected, and the other end of spring is slidably connected with bull stick portion close to the end face of the first conduit.Spring be capable of providing to
The thrust that bull stick portion is moved to pipe fitting direction to be processed, cambered blade in portion easy to process and incision stablize and quickly
Cutting；Since bull stick portion at this time is rotating, the connection type of the end face of spring and the first conduit can allow bull stick portion rotating
During, spring can be opposing stationary, and spring is made not influenced by twisting resistance.
Description of the drawings
Fig. 1 is the structure sectional view in motor lathe machining device main view direction of the present invention；
Fig. 2 is the vertical view of motor lathe machining device of the present invention；
Fig. 3 is the enlarged drawing that processing department is equipped with cambered blade one end end face.
Specific implementation mode
Below by the further details of explanation of specific implementation mode：
Reference numeral in Figure of description includes：Rack 10, air bag 201, fixed link 202, retainer plate 203, bull stick portion
301, processing department 302, cambered blade 303, blade 304, groove 305, chip removal through-hole 306, screw thread gear ring 401, driving wheel 402,
Motor 403, the first conduit 404, the second conduit 405, cyclic annular sucker 406, cushion chamber 407, buffering cotton 408, spring 409, pipe
Part 50.
Embodiment is basic as shown in attached drawing 1, attached drawing 2 and attached drawing 3：Motor lathe machining device, including rack 10, fixation it is to be added
Fixed mechanism, drill bit and the guiding mechanism for driving drill bit rotation and moving horizontally of work pipe fitting 50, fixed mechanism is mounted on machine
The left side of frame 10, guiding mechanism are mounted on the right side of rack 10.
As depicted in figs. 1 and 2, fixed mechanism includes that two cricoid air bags, 201, two fixed links 202 and two are perpendicular
The retainer plate 203 being directly arranged, as shown in Figure 1, the lower end of fixed link 202 is welded with rack 10, the upper end of fixed link 202 and fixation
The lateral surface welding of circle 203,201 coaxial welding of air bag is on the inner wall of fixed link 202.
As shown in Figure 1, drill bit includes bull stick portion 301 and processing department 302, bull stick portion 301 and 302 equal level of processing department are set
It sets, right end and the bull stick portion 301 of processing department 302 are welded, and the left end of processing department 302 waits for incision phase with pipe fitting 50 to be processed
It is right, columnar groove 305 is coaxially arranged on the left end of processing department 302, the left side of processing department 302 is equipped with several coaxial welderings
The cambered blade 303 connect.The lower end of cambered blade 303 and the end face of processing department 302 are welded, the upper end of cambered blade 303 with plus
The end face of the Ministry of worker 302 detaches, and the upper side of cambered blade 303 is equipped with blade 304.The side of processing department 302 is equipped with
Several chip removal through-holes 306, chip removal through-hole 306 and blade 304 are opposite, and the downside of chip removal through-hole 306 with cambered blade is separate waits for
The side for processing pipe fitting 50 is coplanar.
As shown in Figure 1, guiding mechanism includes screw thread gear ring 401, the active that drives screw thread gear ring 401 to rotate and move horizontally
Wheel 402, the pilot unit that the motor 403 of 402 positive and negative rotation of driving wheel can be driven and drill bit is oriented to, screw thread gear ring
401 coaxial weldings are on the outer surface in bull stick portion 301, and driving wheel 402 and the power output end of motor 403 weld, motor
403 are welded in rack 10.Pilot unit includes the first conduit 404 and the second conduit 405, the right end in bull stick portion 301 and first
The left end inner wall sliding contact of conduit 404, the right end of the first conduit 404 are welded with rack 10, and processing department 302 is slidably mounted on the
In one end of two conduits 405,405 left end end face of the second conduit is equipped with the cyclic annular sucker 406 for adsorbing 50 side of pipe fitting to be processed；
The side of second conduit 405 is fixedly connected with rack 10.
The left end of second conduit 405 is equipped with the cushion chamber 407 that can be connected to chip removal through-hole 306, the inner wall of cushion chamber 407
It is equipped with buffering cotton 408, the outlet being connected to cushion chamber 407 is equipped at the bottom of the second conduit 405；First conduit 404 with turn
The spring 409 of coaxial arrangement is equipped between bar portion 301, the right end of spring 409 and 404 inner wall of the first conduit weld, spring 409
Left end and the end face in bull stick portion 301 are slidably connected.
Pipe fitting 50 to be processed when in use, is first horizontally mounted to retainer plate by the motor lathe machining device in the present embodiment
In 203, pipe fitting 50 to be processed is contacted with air bag 201, and fixed link 202 is supported retainer plate 203 and pipe fitting to be processed 50, is turned
Position that is dynamic and moving horizontally pipe fitting 50 to be processed, make pipe fitting 50 to be processed waits for that incision is opposite with the left end of processing department 302.
The cyclic annular sucker 406 on the second conduit 405 adheres on the side of pipe fitting 50 to be processed at this time, bull stick portion 301 and the first conduit
Spring 409 between 404 is in compressive state, and processing department 302 is not contacted with the side of pipe fitting 50 to be processed, and driving wheel 402
It is in meshing state with screw thread gear ring 401.
Then start motor 403, motor 403 drives driving wheel 402 to rotate forward, driving wheel 402 and screw thread gear ring
401 engagement, and then drive with screw thread gear ring 401 weld bull stick portion 301 rotate, bull stick portion 301 rotation while to the left
It moves horizontally, and then promotion processing department 302 is rotated into the second conduit 405 and level is moved to the left, the elastic force of spring 409 also pushes away
Turn bar portion 301 is moved to the left；When processing department 302 and pipe fitting 50 to be processed are when incision contacts, 302 left side of processing department
On the blade 304 of cambered blade 303 can be contacted with incision is waited for, the cambered blade 303 being obliquely installed treats the pipe of incision
Material is cut, and the scrap generated after cutting is moved to chip removal through-hole 306 by the upper side as shown in Figure 1 of cambered blade 303
Place, scrap are entered by chip removal through-hole 306 in cushion chamber 407 under the influence of centrifugal force, and scrap impacts in cushion chamber 407
Buffering cotton 408 on, scrap along buffering cotton 408 be moved to exit discharge.
It in notch process, is shaken unavoidably in 50 process of pipe fitting, air bag 201 can be by pipe fitting 50 and retainer plate
Keep apart between 203,50 side wall of pipe fitting and the inner wall of retainer plate 203 is avoided to collide, and then avoids 50 side wall quilt of pipe fitting
It hangs bad；Simultaneously because cyclic annular sucker 406 is adsorbed onto on the side of pipe fitting 50 to be processed, can allow pipe fitting 50 to be processed waits for incision
It is located in same horizontal line with processing department 302, pipe fitting 50 to be processed can be further avoided and beated in process.
When the depth of notch reaches 5mm, motor 403 drives driving wheel 402 to rotate backward, counter-rotational driving wheel
402 drive screw thread gear rings 401, bull stick portion 301 and processing department 302 retract to the right while rotation, and spring 409 is compressed again；
Then the pipe fitting 50 after processing in retainer plate 203 is removed, then the end face of another pipe fitting to be welded is snapped onto and is cut
At mouthful, notch limits the end face of another pipe fitting, is then welded to incision, and solder can flow to notch
It is interior, incision can comprehensively be welded.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and/or characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, also
Several modifications and improvements can be made, these should also be considered as protection scope of the present invention, these all do not interfere with of the invention real
The effect and patent practicability applied.The scope of protection required by this application should be based on the content of the claims, specification
In the records such as specific implementation mode can be used for explaining the content of claim.
Claims (6)
1. motor lathe machining device, including rack, which is characterized in that further include fixed mechanism, the drill bit of fixed pipe fitting to be processed
And the guiding mechanism for driving drill bit rotation and moving horizontally, the fixed mechanism and guiding mechanism are fixedly mounted on rack
On, the drill bit includes bull stick portion and processing department, and bull stick portion and processing department are horizontally disposed, one end of the processing department and bull stick
Portion is fixedly connected, and the other end of processing department waits for that incision is opposite with pipe fitting to be processed, on the one end of processing department far from bull stick portion
It is coaxially arranged with columnar groove, the end face of the processing department is equipped with several cambered blades being coaxially fixedly mounted, curved knife
One end of piece is fixedly connected with the end face of processing department, and the other end of cambered blade is detached with the end face of processing department, and cambered blade
The side of end face far from processing department is equipped with blade；The side of the processing department is equipped with several chip removal through-holes, chip removal through-hole
It is opposite with blade, and the side of chip removal through-hole and side of the cambered blade far from pipe fitting to be processed are coplanar.
2. motor lathe machining device according to claim 1, which is characterized in that the guiding mechanism include screw thread gear ring,
Screw thread ring gear against rotation and the driving wheel moved horizontally are driven, the motor of driving wheel positive and negative rotation can be driven and drill bit is led
To pilot unit, the screw thread gear ring coaxial welding is on the outer surface in bull stick portion, the power output of driving wheel and motor
End is fixedly connected, and motor is welded in rack.
3. motor lathe machining device according to claim 2, which is characterized in that the pilot unit include the first conduit and
Second conduit, the inner wall sliding contact of the bull stick portion one end far from processing department and the first conduit, the first conduit is far from bull stick
The one end in portion is fixedly connected with rack, and the processing department is slidably mounted in one end of the second conduit, and the second conduit is far from bull stick
The one end in portion is equipped with the cyclic annular sucker for adsorbing pipe fitting side to be processed；The side of second conduit is fixedly connected with rack.
4. motor lathe machining device according to claim 1, which is characterized in that the fixed mechanism includes cricoid gas
Capsule, fixed link and the retainer plate being vertically arranged, the lower end of the fixed link are fixedly connected with rack, and the upper end of fixed link is fixed
The lateral surface of circle is fixedly connected, and the air bag coaxial welding is on the inner wall of fixed link.
5. motor lathe machining device according to claim 3, which is characterized in that second conduit far from bull stick portion one
End is equipped with the cushion chamber that can be connected to chip removal through-hole, and the inner wall of cushion chamber is equipped with buffering cotton.
6. motor lathe machining device according to claim 5, which is characterized in that set between first conduit and bull stick portion
There are the spring of coaxial arrangement, one end of spring to be fixedly connected with the first pipe inner wall, the other end of spring and bull stick portion are close to the
The end face of one conduit is slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806847.7A CN108672762A (en) | 2018-07-18 | 2018-07-18 | Motor lathe machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806847.7A CN108672762A (en) | 2018-07-18 | 2018-07-18 | Motor lathe machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108672762A true CN108672762A (en) | 2018-10-19 |
Family
ID=63814783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810806847.7A Pending CN108672762A (en) | 2018-07-18 | 2018-07-18 | Motor lathe machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108672762A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB354422A (en) * | 1930-05-21 | 1931-08-13 | Edwin Pass | Apparatus for drilling, or drilling and tapping, pipes, branch mains, connections, valves, fittings, used with gas or water service and such like |
| DE2709466A1 (en) * | 1977-03-04 | 1979-01-18 | Mannesmann Brdr Gmbh & Co Kg | Pipe boring box for valve - incorporates unlockable spindle guide box with lock wedge retained by clamp screw |
| KR800002204Y1 (en) * | 1979-09-28 | 1980-12-30 | 임맹기 | Drilling machine for water pipe |
| CN101157146A (en) * | 2007-09-19 | 2008-04-09 | 天津二十冶建设有限公司 | Processing method of blast furnace furnace jacket upper inclined hole |
| CN204603371U (en) * | 2015-01-14 | 2015-09-02 | 邓巧谋 | A kind of pipe tapping machine and pipeline tapping equipment |
| CN105312620A (en) * | 2014-07-06 | 2016-02-10 | 山西永腾建材股份有限公司 | Pipeline tapping and shunting device |
| CN105945332A (en) * | 2016-04-27 | 2016-09-21 | 北京市燃气集团有限责任公司 | Dense serrated cutter for cutting gas pipeline and pipeline cutting method |
| CN205673657U (en) * | 2016-06-17 | 2016-11-09 | 赵于铧 | Pressurized driller for pipeline drill bit |
| CN106180806A (en) * | 2016-09-08 | 2016-12-07 | 中铁十九局集团第七工程有限公司 | Pipeline tapping equipment and pipeline tapping method |
| CN206717358U (en) * | 2017-04-20 | 2017-12-08 | 江苏宏亿钢管有限公司 | A kind of self-centering high precision steel tube butt welding machine |
| CN207615914U (en) * | 2017-11-14 | 2018-07-17 | 林惠玲 | A kind of welded tube mill with elevation and subsidence regulating device |
| CN208495862U (en) * | 2018-07-18 | 2019-02-15 | 重庆任翔科技有限公司 | Motor lathe machining device |
-
2018
- 2018-07-18 CN CN201810806847.7A patent/CN108672762A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB354422A (en) * | 1930-05-21 | 1931-08-13 | Edwin Pass | Apparatus for drilling, or drilling and tapping, pipes, branch mains, connections, valves, fittings, used with gas or water service and such like |
| DE2709466A1 (en) * | 1977-03-04 | 1979-01-18 | Mannesmann Brdr Gmbh & Co Kg | Pipe boring box for valve - incorporates unlockable spindle guide box with lock wedge retained by clamp screw |
| KR800002204Y1 (en) * | 1979-09-28 | 1980-12-30 | 임맹기 | Drilling machine for water pipe |
| CN101157146A (en) * | 2007-09-19 | 2008-04-09 | 天津二十冶建设有限公司 | Processing method of blast furnace furnace jacket upper inclined hole |
| CN105312620A (en) * | 2014-07-06 | 2016-02-10 | 山西永腾建材股份有限公司 | Pipeline tapping and shunting device |
| CN204603371U (en) * | 2015-01-14 | 2015-09-02 | 邓巧谋 | A kind of pipe tapping machine and pipeline tapping equipment |
| CN105945332A (en) * | 2016-04-27 | 2016-09-21 | 北京市燃气集团有限责任公司 | Dense serrated cutter for cutting gas pipeline and pipeline cutting method |
| CN205673657U (en) * | 2016-06-17 | 2016-11-09 | 赵于铧 | Pressurized driller for pipeline drill bit |
| CN106180806A (en) * | 2016-09-08 | 2016-12-07 | 中铁十九局集团第七工程有限公司 | Pipeline tapping equipment and pipeline tapping method |
| CN206717358U (en) * | 2017-04-20 | 2017-12-08 | 江苏宏亿钢管有限公司 | A kind of self-centering high precision steel tube butt welding machine |
| CN207615914U (en) * | 2017-11-14 | 2018-07-17 | 林惠玲 | A kind of welded tube mill with elevation and subsidence regulating device |
| CN208495862U (en) * | 2018-07-18 | 2019-02-15 | 重庆任翔科技有限公司 | Motor lathe machining device |
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