CN106395273A - Continuous rotating, supporting, self-stabilization traveling and anti-deformation device in long pipeline - Google Patents
Continuous rotating, supporting, self-stabilization traveling and anti-deformation device in long pipeline Download PDFInfo
- Publication number
- CN106395273A CN106395273A CN201610813902.6A CN201610813902A CN106395273A CN 106395273 A CN106395273 A CN 106395273A CN 201610813902 A CN201610813902 A CN 201610813902A CN 106395273 A CN106395273 A CN 106395273A
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- Prior art keywords
- track
- long pipeline
- deformation
- grinding
- compact heap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a continuous rotating, supporting, self-stabilization traveling and anti-deformation device in a long pipeline. The continuous rotating, supporting, self-stabilization traveling and anti-deformation device in the long pipeline comprises a grinding traveling driving device and a track anti-deformation supporting device. The track anti-deformation supporting device is installed at the bottom of the grinding traveling driving device. The grinding traveling driving device comprises two tracks arranged in the length direction of the long pipeline. The track anti-deformation supporting device comprises two track bases which are fixed to the bottoms of the two tracks correspondingly. A plurality of track supporting mechanisms used for supporting the tracks are arranged between the two track bases, and every two adjacent track supporting mechanisms are arranged symmetrically in a spaced mode. A cart used for pushing the track supporting mechanisms to rotate and enabling the track supporting mechanisms to push the tracks is further arranged between the two track bases. The continuous rotating, supporting, self-stabilization traveling and anti-deformation device in the long pipeline is simple in structure and convenient to install and use, the problem that the tracks are prone to deformation in the grinding process is solved, and the grinding accuracy and the applicability of a grinding device are improved.
Description
Technical field
The present invention relates to a kind of anti-deformation device, in more particularly, to a kind of long pipeline, can continuously rotate support self-stabilization walking
Anti-deformation device.
Background technology
With the modernization development of energy construction, in order to improve efficiency and the security of energy transport, to energy delivery tube
The requirement also more and more higher of road weld seam grinding attachment.At present, most of pipe welding seam grinding attachment only carries out pipe end grinding, in pipe
Grinding is manual grinding mostly, not only high labor intensive, bad environments, and higher to the technical requirements of workman.And only minority
For the pipe inside weld grinding attachment of long pipeline (more than 12 meters of pipelines) interior grinding, although this kind of device overcomes manual grinding
The problem existing, but in grinding process, because the high-speed rotation of the motor for driving abrasive grinding wheel is so that pipe inside weld
The track of grinding attachment occurs seriously rocking it is impossible to ensure the precision of grinding, even cannot grinding when serious.And for weldering in pipe
Seam grinding attachment, Long-Time Service can cause track gross distortion, and grinding accuracy does not reach requirement.But almost do not overcome rail at present
The mode of road problem on deformation, so in order to solve the problems, such as track deformation, improve the usability of pipe inside weld grinding attachment, design
Can continuously rotate in a kind of long pipeline and support the very necessary of self-stabilization walking anti-deformation device.
Content of the invention
It is an object of the invention to overcoming above-mentioned deficiency of the prior art, providing can continuously rotate in a kind of long pipeline and propping up
Support self-stabilization walking anti-deformation device, its structure is simple, easy to install, solves track yielding in grinding process
Problem, improves the usability of grinding accuracy and grinding attachment.
For achieving the above object, the technical solution used in the present invention is：Support can continuously be rotated from surely in a kind of long pipeline
Surely walking anti-deformation device it is characterised in that：Including grinding travel driving unit and track deformation-preventing supporting device, described track
Deformation-preventing supporting device is arranged on the bottom of described grinding travel driving unit, and described grinding travel driving unit includes two edges
The track that long pipeline length direction is laid, described track is located in long pipeline, and described track deformation-preventing supporting device includes track
Pedestal, the quantity of described track pedestal is two, and two described track pedestals are separately fixed at the bottom of two tracks, two institutes
State and between track pedestal, be provided with multiple rail support mechanism for supporting track, two neighboring described rail support mechanism it
Between leave distance, two neighboring described rail support mechanism is symmetrically laid, described grinding travel driving unit before and after both sides equal
It is provided with for promoting described rail support mechanism rotation to make the push rod of rail support mechanism pushing tow track.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Described
Rail support mechanism includes L-shaped gusset and compact heap, and the two ends of described L-shaped gusset are provided with push rod cup, described compression
Block is arranged on the horizontal ends end of L-shaped gusset, and described compact heap is provided with pushing tow groove, described pushing tow groove and described water
Flush end is oppositely arranged, and the bottom of described compact heap is provided with sliding bar, arranges on the described track pedestal of described compact heap
There is chute, the lower end of described sliding bar is stretched in chute and can be horizontally slipped along chute；The corner of described L-shaped gusset
It is provided with connecting hole, described L-shaped gusset is passed through connecting shaft and clutch shaft bearing and rotated with the described track pedestal near connecting hole
Connect, described connecting shaft passes through connecting hole, described clutch shaft bearing installs connection hole.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Described
The outside of compact heap is provided with compression spring and extension spring, and one end of described compression spring and extension spring is all with compact heap even
Connect, the other end of described compression spring and extension spring is all connected with the described track pedestal near compact heap.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Described
Pushing tow groove is arc pushing tow groove, and the curvature of described pushing tow groove is gradually reduced from two ends to centre.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Each
The quantity of the sliding bar of described compact heap bottom is two, is symmetrical arranged before and after two described sliding bars.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Described
Grinding travel driving unit also includes go-cart, and described go-cart is rectangular structure, and the quantity of described push rod is four, described in four
Push rod is symmetrically mounted on the bottom two ends of go-cart.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Described
Grinding travel driving unit also includes motor and the first drive shaft, and described motor is arranged on the top of go-cart, and described first
Drive shaft is rotatably installed in the bottom of go-cart by second bearing, and described second bearing is arranged in go-cart, described motor
Output end is installed with driving gear, and described first drive shaft is installed with driven gear, described driving gear with from
Moving gear is meshed, and the two ends of described first drive shaft are mounted on travelling gear, and described track is provided with tooth bar, described biography
Moving gear is meshed with corresponding tooth bar.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Also wrap
Include the transport for being transported to described grinding travel driving unit together with described track deformation-preventing supporting device in long pipeline
Dolly.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Described
Transport dolly to include transporting car body, 3rd bearing and the second drive shaft, described second drive shaft is rotated by 3rd bearing and installs
In the bottom transporting car body, described 3rd bearing is arranged on transport car body, and the two ends of described second drive shaft are mounted on driving
Driving wheel, the rear side of described transport car body is provided with handle.
Can continuously rotate in a kind of above-mentioned long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Described
Track pedestal and track are structure as a whole.
The present invention compared with prior art has advantages below：
1st, present configuration is simple, reasonable in design and uses easy to operate.
2nd, the present invention promotes the rail support mechanism that interval is laid to rotate by push rod, and rail support mechanism is in rotary course
Middle pushing tow track pedestal so that two track pedestals keep certain distances, due to the bottom of the fixing in rail of track pedestal, because
This, two track pedestals keep certain distance, reach the purpose preventing two track deformations.
The curvature of compact heap is gradually reduced by the 3rd, present invention setting from both ends to the middle, and compact heap passes through compression spring
It is connected so that when L-shaped gusset is just contacted with compact heap with guide rail base with extension spring, due to thrust and the spring of push rod
Compressibility, L-shaped gusset completely into the track of compact heap, and can turn to intermediate position, reach fine support
The purpose of guide rail base.
4th, L-shaped gusset position of the present invention be interval, symmetrical lay it is ensured that the amphicheirality of grinding process, and ensure that L
Font gusset is uniform to the support force of guide rail base；Track is to be meshed by rack-and-pinion with travelling gear, reduces
Resistance during go-cart campaign, it is to avoid slip during go-cart campaign.
5th, guide rail base of the present invention and track are an entirety, improve install compact and the device arrangement of whole device
Efficiency.
Below by drawings and Examples, the present invention is described in further detail.
Brief description
Front view when Fig. 1 is arranged in long pipeline for the present invention.
Top view when Fig. 2 is arranged in long pipeline for the present invention.
Sectional view when Fig. 3 is arranged in long pipeline for the present invention.
Fig. 4 is the position relationship schematic diagram of the two neighboring rail support mechanism of the present invention.
Fig. 5 is the position relationship schematic diagram of track pedestal of the present invention, rail support mechanism and go-cart.
Description of reference numerals:
1 second drive shaft；2 3rd bearings；3 driving wheels；
4 track pedestals；4-1 chute；5 tracks；
6 tooth bars；7 travelling gears；8 first drive shafts；
9 second bearings；10 motor；11 driven gears；
12 driving gears；13 transport car bodies；14 handles；
15 long pipelines；16 go-carts；17 push rods；
18 connecting holes；19 connecting shafts；20 clutch shaft bearings；
21 sliding bars；22 push rod cups；23 L-shaped gussets；
24 extension springs；25 compression springs；26 compact heaps；
26-1 pushing tow groove.
Specific embodiment
As shown in figures 1 and 3, the present invention includes grinding travel driving unit and track deformation-preventing supporting device, described rail
Road deformation-preventing supporting device is arranged on the bottom of described grinding travel driving unit, and described grinding travel driving unit includes two
The track 5 laid along long pipeline 15 length direction, described track 5 is located in long pipeline 15, described track deformation-preventing supporting device
Including track pedestal 4, the quantity of described track pedestal 4 is two, and two described track pedestals 4 are separately fixed at two tracks 5
Bottom, be provided with multiple rail support mechanism for supporting track 5, two neighboring institute between two described track pedestals 4
State and leave distance between rail support mechanism, two neighboring described rail support mechanism is symmetrically laid, described grinding hoofing part
Before and after device, both sides are mounted on for promoting described rail support mechanism rotation to make pushing away of rail support mechanism pushing tow track 5
Bar 17.
The rail support mechanism of this anti-deformation device can supporting track pedestal 4 effectively, prevent track pedestal 4 from deforming,
And track pedestal 4 and track 5 are one, and then can be effectively prevented and deformed due to the track 5 that Long-Time Service causes, and can
To avoid what grinding travel driving unit and grinding attachment in grinding process occurred acutely to rock.Because rail support mechanism can
Continuous rotation supporting track pedestal 4 in long pipeline, and then realize preventing track 5 from deforming；Rail support mechanism is in long pipeline
Self-stabilization can walk it is ensured that the stability of grinding process, improve grinding accuracy further.Wherein, two neighboring described track
Distance is left, two neighboring described rail support mechanism is symmetrical to be laid it is ensured that the two-way fortune of grinding process between supporting mechanism
Dynamic；Track pedestal 4 is connected as one with track 5, is easy to the arrangement of whole device, thus improve being suitable for of anti-deformation device
Property.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, described rail support mechanism includes L-shaped gusset 23 and compact heap 26, described
The two ends of L-shaped gusset 23 are provided with push rod cup 22, and described compact heap 26 is arranged on the horizontal ends end of L-shaped gusset 23,
Pushing tow groove 26-1 is provided with described compact heap 26, described pushing tow groove 26-1 is oppositely arranged with described horizontal ends, described pressure
The bottom of tight block 26 is provided with sliding bar 21, is provided with chute 4-1 on the described track pedestal of described compact heap 26, described
The lower end of sliding bar 21 is stretched in chute 4-1 and can be horizontally slipped along chute 4-1；The corner of described L-shaped gusset 23
It is provided with connecting hole 18, described L-shaped gusset 23 passes through connecting shaft 19 and clutch shaft bearing 20 and the described rail near connecting hole 18
Road pedestal rotates and connects, and described connecting shaft 19 passes through connecting hole 18, and described clutch shaft bearing 20 is installed at connecting hole 18.
L-shaped gusset 23 one end connecting shaft 19 of rail support mechanism and clutch shaft bearing 20 and the track near connecting hole 18
Pedestal is connected it is ensured that rotation in L-shaped gusset 23 in rail pedestal；The other end of L-shaped gusset 23 and compact heap 26
It is oppositely arranged, compact heap 26 provides predetermined track for L-shaped gusset 23, increase the feasibility supporting, compact heap 26 bottom
Sliding bar 21 can slide in the chute 4-1 of in rail pedestal, be that compact heap 26 provides the possibility of movement and avoids it to incline
Tiltedly and rotate.Push rod cup 22 can at pushing tow groove 26-1 pushing tow compact heap 26 it is ensured that support to track pedestal 4.
As shown in Figure 1, Figure 4 and Figure 5, the outside of described compact heap 26 is provided with compression spring 25 and extension spring 24, institute
State compression spring 25 and one end of extension spring 24 be all connected with compact heap 26, described compression spring 25 and extension spring 24 another
One end is all connected with the described track pedestal near compact heap 26.The effect of compression spring 25 and extension spring 24 is to ensure that compression
Power suffered by block 26 is substantially invariable so as to track pedestal 4 when L-shaped gusset 23 and compact heap 26 coordinate in center
There is certain supporting role.
As shown in Figure 4 and Figure 5, described pushing tow groove 26-1 is arc pushing tow groove, the curvature of described pushing tow groove 26-1
It is gradually reduced to centre from two ends, that is, degree of crook tapers into centre from two ends, this ensure that propping up to track pedestal 4
Support acts on.
As shown in figure 5, the quantity of the sliding bar 21 of each described compact heap 26 bottom is two, two described sliding bars 21
It is symmetrical arranged in front and back.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, described grinding travel driving unit also includes go-cart 16, and described go-cart 16 is
Rectangular structure, the quantity of described push rod 17 is four, and four described push rods 17 are symmetrically mounted on the bottom two ends of go-cart 16, protects
Demonstrate,prove go-cart bidirectional-movement.
As shown in figures 1 and 3, described grinding travel driving unit also includes motor 10 and the first drive shaft 8, described electricity
Motivation 10 is arranged on the top of go-cart 16, and described first drive shaft 8 is rotatably installed in the bottom of go-cart 16 by second bearing 9,
Described second bearing 9 is arranged in go-cart 16, and the output end of described motor 10 is installed with driving gear 12, and described first
Driven gear 11 is installed with drive shaft 8, described driving gear 12 is meshed with driven gear 11, described first drive shaft
8 two ends are mounted on travelling gear 7, and described track 5 is provided with tooth bar 6, described travelling gear 7 and corresponding tooth bar 6 phase
Engagement, it is to avoid the slip during motion of grinding travel driving unit.
The mode that grinding travel driving unit driving gear 12 is meshed with driven gear 11 transmits power, can avoid
The skidding of V belt translation and chaindriven uneven stability, travelling gear 7 is meshed with corresponding tooth bar 6, not only reduces and pushes away
Resistance during car motion, also avoids the occurrence of the skidding during motion of grinding travel driving unit simultaneously.
As shown in Figure 1 to Figure 3, present invention additionally comprises being used for described grinding travel driving unit and described track anti-deformation
Support meanss are transported to the transport dolly in long pipeline 15 together.
As shown in Figure 1 to Figure 3, described transport dolly includes transporting car body 13,3rd bearing 2 and the second drive shaft 1, described
Second drive shaft 1 is rotatably installed in the bottom transporting car body 13 by 3rd bearing 2, and described 3rd bearing 2 is arranged on transfer cart
On body 13, the two ends of described second drive shaft 1 are mounted on driving wheel 3, and the described rear side transporting car body 13 is provided with handle 14.
Transport car body 13 can effectively whole device be transported in predetermined long pipeline by electrically driven (operated) mode, and transport car body
13 arrangements are simple, easily and effectively.
In the present embodiment, described track pedestal 4 and track 5 are structure as a whole.
The operation principle of the present invention is：During to long pipeline 15 grinding, by motor 10 output driving power, warp
Transmission is last to carry nutating gear 7 to rotate, and because travelling gear 7 is meshed with tooth bar 6, therefore travelling gear 7 is along tooth bar 6 row
Walk, travelling gear 7 drives the first drive shaft 8 mobile, and then drive go-cart reach.Go-cart is pushed away by push rod during movement
Dynamic rail support mechanism rotation, then rail support mechanism pushing tow track 5 is so that two tracks 5 keep certain distance, due to track
The bottom of the fixing in rail 5 of pedestal 4, therefore, two track pedestals 4 keep certain distance, reach and prevent two track pedestals 4
Deformation.Type of the present invention can be applied in long pipeline continuous rotation and support, and prevent the purpose of track deformation, thus improve grinding
Precision.
The above, be only presently preferred embodiments of the present invention, not the present invention imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure transformation that technical spirit is made to above example, all still fall within skill of the present invention
In the protection domain of art scheme.
Claims (10)
1. can continuously rotate in a kind of long pipeline support self-stabilization walking anti-deformation device it is characterised in that：Including grinding walking
Driving means and track deformation-preventing supporting device, described track deformation-preventing supporting device is arranged on described grinding travel driving unit
Bottom, described grinding travel driving unit include two along long pipeline (15) length direction lay tracks (5), described track
(5) it is located in long pipeline (15), described track deformation-preventing supporting device includes track pedestal (4), the number of described track pedestal (4)
Measure as two, two described track pedestals (4) are separately fixed at the bottom of two tracks (5), two described track pedestals (4) it
Between be provided with multiple rail support mechanism for supporting track (5), leave between two neighboring described rail support mechanism away from
From two neighboring described rail support mechanism is symmetrically laid, and before and after described grinding travel driving unit, both sides are mounted on using
In the push rod (17) promoting described rail support mechanism rotation to make rail support mechanism pushing tow track (5).
2., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 1, it is special
Levy and be：Described rail support mechanism includes L-shaped gusset (23) and compact heap (26), the two ends of described L-shaped gusset (23)
It is provided with push rod cup (22), described compact heap (26) is arranged on the horizontal ends end of L-shaped gusset (23), described compact heap
(26) it is provided with pushing tow groove (26-1) on, described pushing tow groove (26-1) is oppositely arranged with described horizontal ends, described compact heap
(26) bottom is provided with sliding bar (21), is provided with chute (4-1) on the described track pedestal of described compact heap (26),
The lower end of described sliding bar (21) is stretched in chute (4-1) and can be horizontally slipped along chute (4-1)；Described L-shaped gusset
(23) corner is provided with connecting hole (18), described L-shaped gusset (23) pass through connecting shaft (19) and clutch shaft bearing (20) and
Rotate near the described track pedestal of connecting hole (18) and connect, described connecting shaft (19) passes through connecting hole (18), described first axle
Hold (20) and connecting hole (18) place is installed.
3., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 2, it is special
Levy and be：The outside of described compact heap (26) is provided with compression spring (25) and extension spring (24), described compression spring (25)
All it is connected with compact heap (26) with one end of extension spring (24), the other end of described compression spring (25) and extension spring (24)
All it is connected with the described track pedestal near compact heap (26).
4., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 2, it is special
Levy and be：Described pushing tow groove (26-1) is arc pushing tow groove, and the curvature of described pushing tow groove (26-1) is from two ends to centre
It is gradually reduced.
5., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 2, it is special
Levy and be：The quantity of the sliding bar (21) of each described compact heap (26) bottom is two, before and after two described sliding bars (21)
It is symmetrical arranged.
6., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 1, it is special
Levy and be：Described grinding travel driving unit also includes go-cart (16), and described go-cart (16) is rectangular structure, described push rod
(17) quantity is four, and four described push rods (17) are symmetrically mounted on the bottom two ends of go-cart (16).
7., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 6, it is special
Levy and be：Described grinding travel driving unit also includes motor (10) and the first drive shaft (8), and described motor (10) is installed
On the top of go-cart (16), described first drive shaft (8) is rotatably installed in the bottom of go-cart (16), institute by second bearing (9)
State second bearing (9) to be arranged in go-cart (16), the output end of described motor (10) is installed with driving gear (12), institute
State and driven gear (11) be installed with the first drive shaft (8), described driving gear (12) is meshed with driven gear (11),
The two ends of described first drive shaft (8) are mounted on travelling gear (7), and described track (5) is provided with tooth bar (6), described biography
Moving gear (7) is meshed with corresponding tooth bar (6).
8., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 1, it is special
Levy and be：Also include for described grinding travel driving unit is transported to long tube together with described track deformation-preventing supporting device
Transport dolly in road (15).
9., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 8, it is special
Levy and be：Described transport dolly includes transporting car body (13), 3rd bearing (2) and the second drive shaft (1), described second drive shaft
(1) bottom transporting car body (13) is rotatably installed in by 3rd bearing (2), described 3rd bearing (2) is arranged on transport car body
(13), on, the two ends of described second drive shaft (1) are mounted on driving wheel (3), and the described rear side transporting car body (13) is provided with
Handle (14).
10., according to can continuously rotate support self-stabilization walking anti-deformation device in a kind of long pipeline described in claim 1, it is special
Levy and be：Described track pedestal (4) and track (5) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610813902.6A CN106395273B (en) | 2016-09-09 | 2016-09-09 | In a kind of long pipeline can continuous rotation support self-stabilization walk anti-deformation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610813902.6A CN106395273B (en) | 2016-09-09 | 2016-09-09 | In a kind of long pipeline can continuous rotation support self-stabilization walk anti-deformation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106395273A true CN106395273A (en) | 2017-02-15 |
| CN106395273B CN106395273B (en) | 2018-09-18 |
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ID=57999248
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| CN201610813902.6A Active CN106395273B (en) | 2016-09-09 | 2016-09-09 | In a kind of long pipeline can continuous rotation support self-stabilization walk anti-deformation device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08243893A (en) * | 1995-03-07 | 1996-09-24 | Topy Ind Ltd | Angular pipe welding bead part grinding device |
| CN2611094Y (en) * | 2003-04-15 | 2004-04-14 | 江苏诚德钢管股份有限公司 | Pipe grinding machine for inner and outer surfaces of steel pipe |
| JP2011206859A (en) * | 2010-03-29 | 2011-10-20 | Cooperative Association Of Japan Shipbuilders | Self-propelled weld bead cutter |
| CN202292311U (en) * | 2011-09-23 | 2012-07-04 | 新兴河北工程技术有限公司 | Grinder for inner wall of ductile cast-iron pipe |
| CN203062460U (en) * | 2012-12-18 | 2013-07-17 | 天津市泰福利包装有限公司 | Oil screen pipe inner wall polishing device |
| CN105234769A (en) * | 2015-11-16 | 2016-01-13 | 中国石油集团渤海石油装备制造有限公司 | Apparatus for grinding weld beading of inside weld of steel tube |
-
2016
- 2016-09-09 CN CN201610813902.6A patent/CN106395273B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08243893A (en) * | 1995-03-07 | 1996-09-24 | Topy Ind Ltd | Angular pipe welding bead part grinding device |
| CN2611094Y (en) * | 2003-04-15 | 2004-04-14 | 江苏诚德钢管股份有限公司 | Pipe grinding machine for inner and outer surfaces of steel pipe |
| JP2011206859A (en) * | 2010-03-29 | 2011-10-20 | Cooperative Association Of Japan Shipbuilders | Self-propelled weld bead cutter |
| CN202292311U (en) * | 2011-09-23 | 2012-07-04 | 新兴河北工程技术有限公司 | Grinder for inner wall of ductile cast-iron pipe |
| CN203062460U (en) * | 2012-12-18 | 2013-07-17 | 天津市泰福利包装有限公司 | Oil screen pipe inner wall polishing device |
| CN105234769A (en) * | 2015-11-16 | 2016-01-13 | 中国石油集团渤海石油装备制造有限公司 | Apparatus for grinding weld beading of inside weld of steel tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106395273B (en) | 2018-09-18 |
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